CN111303669B - Novel carbon black rapid cooling device and system - Google Patents
Novel carbon black rapid cooling device and system Download PDFInfo
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- CN111303669B CN111303669B CN202010136317.3A CN202010136317A CN111303669B CN 111303669 B CN111303669 B CN 111303669B CN 202010136317 A CN202010136317 A CN 202010136317A CN 111303669 B CN111303669 B CN 111303669B
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- 239000006229 carbon black Substances 0.000 title claims abstract description 53
- 238000001816 cooling Methods 0.000 title description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000010791 quenching Methods 0.000 claims abstract description 56
- 230000000171 quenching effect Effects 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000012856 packing Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 33
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 239000000498 cooling water Substances 0.000 abstract description 7
- 239000000779 smoke Substances 0.000 abstract description 6
- 238000004040 coloring Methods 0.000 abstract description 4
- 239000000112 cooling gas Substances 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000006232 furnace black Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
- C09C1/48—Carbon black
- C09C1/50—Furnace black ; Preparation thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B19/00—Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour
- F25B19/02—Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour using fluid jet, e.g. of steam
- F25B19/04—Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour using fluid jet, e.g. of steam using liquid jet, e.g. of water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a novel carbon black quenching device and system, and relates to the technical field of quenching devices for carbon black smoke. The cooling water is arranged between the first pipe and the second pipe, cooling gas is communicated between the second pipe and the third pipe, the right-angle spray head is connected to the third pipe, the second pipe is connected with the fastener through the connecting piece, the sealing device is arranged in the fastener, and the fastener and the pressing piece are connected to enable the sealing device to seal a gap between the second pipe and the third pipe. The invention has simple structure, can provide atomized quenching water for the central area of the cross section of the quenching section of the reaction furnace, increases the atomizing area of the quenching water of the cross section of the quenching section of the reaction furnace, ensures that the carbon black reaction is terminated more uniformly and completely, can improve the quality and the yield of carbon black products, can also adjust the pressure difference between a combustion chamber and the reaction chamber, and improves the oil absorption value and the coloring intensity of the carbon black.
Description
Technical Field
The invention relates to the technical field of quenching devices for carbon black smoke.
Background
Oil furnace carbon black is produced from hydrocarbon compounds by incomplete combustion and cracking. The reaction device for producing the carbon black is a reaction furnace and mainly comprises a combustion section, a throat section, a reaction section, a quenching section and a gasification retention section. The fuel is combusted in the combustion section to generate high-temperature flue gas to provide energy for carbon black cracking reaction, the throat section is a raw material injection section, the reaction section is an area in which carbon black is incompletely combusted and cracked, the reaction section is a quenching section at the rear part of the reaction section, the carbon black production reaction (the carbon black is subjected to surface oxidation reaction 3 in the stage) is terminated by water spraying vaporization and temperature reduction, and the vaporization retention section is a carbon black flue gas formation area. In the prior art, as shown in fig. 4 and 5, the quenching water gun insertion ports are divided into five rows and evenly distributed on the quenching section, and each row is provided with 4 or more quenching water gun insertion ports, so that the quenching water amount required by the process is injected into a certain section selected by the process as much as possible, the high-temperature carbon black flue gas is rapidly cooled, the reaction is fully and effectively terminated, the subsequent carbon black-free side reaction is caused, the surface roughness of the carbon black is reduced, the surface activity, the quality and the yield of the carbon black are improved, and the consumption of raw oil is reduced. In addition, carbon black oil absorption value and tinting strength are two very critical important indexes of carbon black quality of measurement, the pressure differential of combustion chamber and reacting chamber has important influence to the oil absorption value and the tinting strength of carbon black, the traditional technique is adjusting pressure differential through changing the choke diameter and improving the oil absorption value and the tinting strength of carbon black, but it is very troublesome to change the choke diameter, it is time-consuming, hard, it is with large costs to reform transform, therefore how conveniently adjust the pressure differential of combustion chamber and reacting chamber, make its production that adapts to many varieties of carbon black products, and be favorable to the adjustment and the control of carbon black oil absorption value and tinting strength to be the problem that the real production is waited for solving urgently.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a novel carbon black quenching device and a novel carbon black quenching system, wherein the novel carbon black device can be stretched into the central area of a quenching section of a reaction furnace, quenching water is axially sprayed, the contact area of quenching atomized water on the section of the quenching section of the reaction furnace and carbon black smoke is greatly increased, the carbon black termination reaction is more uniform and thorough, the pressure difference between a combustion chamber and the reaction chamber can be adjusted, the carbon black quality is improved, and the carbon black yield is improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a novel carbon black rapid cooling device, includes first pipe, both ends are equipped with a first end cap respectively around first pipe, and two first end caps are the ring form respectively, the outer fringe and the first union coupling of ring, the inner edge of ring and the outer wall connection of second pipe, and the second pipe passes first pipe center and forms both ends confined sleeve pipe structure with the first end cap of both ends shutoff, the rear end of second pipe stretches out the certain length of rear end cap of first pipe. Two clapboards are arranged between the first pipe and the second pipe along the length direction of the first pipe, one end of each clapboard is connected with a first plug connected with the rear end of the first pipe, the other end of each clapboard is separated from the other first plug at the front end of the first pipe by a certain distance, the space between the inner wall of the first pipe and the outer wall of the second pipe is divided into two cavities connected with one end by the two clapboards, the rear end of the first pipe, which is close to the first pipe, is connected with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are respectively and correspondingly connected with the two cavities between the first pipe and the second pipe, and the water inlet pipe is connected with an external water source;
the inner center of the second pipe is provided with a third pipe, the inner wall of the second pipe is provided with a support, the front end of the third pipe penetrates through the support and is parallel to the front end of the second pipe, a second plug is arranged inside the rear end of the second pipe, the second plug is in a circular ring shape, the outer edge of the circular ring is connected with the second pipe, the size of the inner edge of the circular ring is larger than the outer diameter of the third pipe, and the third pipe penetrates through the center of the second pipe and forms a sleeve structure. The rear end of the second pipe is connected with the front end of the connecting piece and is connected with the connecting part
The rear end of the clamping piece is connected with the front end of the clamping piece, and the rear end of the clamping piece is clamped with the pressing piece; the inner part of the clamping piece is of a cavity structure, and a sealing device is arranged in the clamping piece; the rear end of the third pipe penetrates through the centers of the clamping piece and the pressing piece and extends out to be connected with an external water source; an air inlet pipe is arranged on the second pipe close to the rear end and is connected with an external air source;
the inner wall of the front end of the third pipe is connected with a right-angle spray head, and the right-angle spray head is provided with a plurality of water spray holes.
Preferably, the first pipe is a round pipe, an external thread is arranged on the outer wall of one end of the first pipe, the first plug is a steel plate, and the first plug is connected with the first pipe and the second pipe in a welded mode.
Preferably, the second pipe is a circular pipe, the second pipe is connected with the connecting piece through threads, the second plug is connected with the inner wall of the second pipe in a welding mode, and the size of a central circular hole of the second plug is larger than the size of the outer diameter of the third pipe.
Preferably, the right-angle nozzle comprises a nozzle, the nozzle is in threaded connection with a third pipe through a fixing piece, the fixing piece is in welded connection with the third pipe, a plurality of water spraying holes are uniformly formed in the nozzle, and the acute included angle between the central axis of each water spraying hole and the central axis of the nozzle is 40-70 degrees.
Preferably, the sealing device sequentially comprises a sealing ring, a gasket and a spring from front to back, the third pipe penetrates through the centers of the sealing ring, the gasket and the spring, one surface of the sealing ring is pressed on a convex table surface of the inner wall of the clamping piece, the other surface of the sealing ring is clamped in a groove of the gasket, one end of the spring abuts against the gasket, the other end of the spring abuts against a pressing piece, and the sealing ring is a graphite packing or an asbestos packing.
Preferably, the outer wall of the front end of the clamping piece is in threaded connection with the connecting piece, at least one bayonet is arranged at the rear end of the clamping piece, the number of protrusions which is the same as that of the bayonets is arranged at the tail end of the outer wall of the pressing piece, and the protrusions are clamped in the bayonet.
Preferably, the bayonet is 7-shaped clamping grooves, the number of the clamping grooves is 2, the protrusions are cylindrical, the number of the protrusions is 2, and the overall dimension of the protrusions is smaller than the groove width of the clamping grooves.
Preferably, the supports are three sections of steel plates which are uniformly arranged on the inner wall of the second pipe, the steel plates are welded on the inner wall of the second pipe in parallel with the axis of the second pipe, and the steel plates support the outer wall of the third pipe while being suspended.
Preferably, two handles are connected to the pressing piece in a threaded manner, and the tail ends of the threaded ends of the two handles abut against the outer wall of the third pipe.
In order to further solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a novel carbon black rapid cooling system, includes at the quenching section radial insertion 4 conventional rapid cooling squirts above, radially spout into quench water to set up 1 novel rapid cooling squirts and stretch into the central zone of reacting furnace quenching section, the axial spouts into quench water, thereby strengthens the rapid cooling effect to the carbon black flue gas greatly.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
1. the quenching water gun provided by the invention extends into the central area of the quenching section of the reaction furnace, so that the central area of the cross section of the quenching section of the reaction furnace is filled with cooling atomized water, the contact area of carbon black flue gas and atomized water is increased, the time for terminating carbon black reaction is shortened, and the quality of carbon black is improved.
2. The space between the first pipe and the second pipe is divided into two communicated cavities, water is filled in the cavities, the two cavities are correspondingly provided with the water inlet pipe and the water outlet pipe, the water flows in the cavities, the quenching water gun is cooled and protected, and the service life of the quenching water gun is prolonged.
3. Lead to between second pipe and third pipe and have cooling air, spun cooling gas cools off the right angle shower nozzle of connection on the third pipe, cools off third pipe and second pipe simultaneously, prolongs the life of squirt.
4. After the handle is loosened, the third pipe can rotate, the nozzle of the right-angle nozzle is adjusted to spray quenching water in the same direction or in the reverse direction with the carbon black flue gas in the reaction furnace, when the quenching water sprayed by the nozzle of the right-angle nozzle is the same as the flow direction of the carbon black flue gas, the furnace pressure of the reaction chamber is relatively low, otherwise, when the quenching water is in the reverse direction, the furnace pressure of the reaction chamber is relatively high, so that the pressure difference between the combustion chamber and the reaction chamber is indirectly adjusted, the adjustment of the oil absorption value and the coloring strength of the carbon black is facilitated, and the quality of a carbon black product is improved as shown in table 1.
TABLE 1 relationship table of pressure difference between combustion chamber and reaction chamber, DBP oil absorption value and coloring strength
In table 1: Δ P: pressure difference DBP: oil absorption value Tint: and (4) coloring strength.
Drawings
FIG. 1 is a cross-sectional view of the overall construction of the present invention;
FIG. 2 is a sectional view taken along the line A;
FIG. 3 is a schematic view of the motion trajectory of the protrusion in the bayonet;
FIG. 4 is a schematic axial distribution diagram of insertion ports of a quenching water gun in operation of a quenching section of a reaction furnace in the prior art;
FIG. 5 is a schematic radial distribution of quench water atomization during operation of a quench section of a prior art reactor;
FIG. 6 is an axial distribution diagram of insertion ports of a quenching atomization water gun during operation of a quenching section of a reaction furnace according to the present invention;
FIG. 7 is a schematic radial distribution of the atomized quench water phase of the quench section of the reactor of the present invention during operation;
in the figure: 1. the rapid cooling water gun comprises a right-angle spray head 101, a nozzle 102, a fixing part 2, a partition plate 3, a first pipe 4, a second pipe 5, a third pipe 6, a water inlet pipe 7, a first plug 8, an air inlet pipe 9, a connecting piece 10, a clamping piece 11, a gasket 12, a spring 13, a pressing piece 14, a handle 15, a protrusion 16, a bayonet 17, a sealing ring 18, a second plug 19, a water outlet pipe 20, a support 21, a common rapid cooling water gun 22 and a novel rapid cooling water gun.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, a star-shaped quenching water gun device, including first pipe 3, first pipe 3 is the pipe, weld first end cap 7 respectively at first pipe 3 front and back both ends head (be close to quenching squirt right angle shower nozzle side for preceding, keep away from quenching squirt right angle shower nozzle side for the back, the same below), the outer wall at first pipe 3 rear end is equipped with the external screw thread, first pipe 3 is connected through the steel pipe that buries in advance on the external screw thread of outer wall and the reacting furnace oven, fix first pipe 3 on the reacting furnace oven, the front end of first pipe 3 stretches into the reacting furnace center.
As shown in fig. 1 and 2, the first plugs 7 are circular steel plates, and the second pipe 4 passes through circular inner holes of the two first plugs 7 and is welded to the first plugs 7, so that a closed cavity is formed between the inner wall of the first pipe 3 and the outer wall of the second pipe 4. Two clapboards 2 are welded and connected in the sealed cavity between the first pipe 3 and the second pipe 4 along the length direction of the first pipe 3, the rear end of each clapboard 2 is connected with the first plug 7 at the rear side, the front end of each clapboard 2 is separated from the first plug 7 at the front side by about 5cm, and the sealed cavity between the inner wall of the first pipe 3 and the outer wall of the second pipe 4 is separated into two cavities with one connected end by the two clapboards 2. The first pipe 3 is connected with a water inlet pipe 6 and a water outlet pipe 19 near the rear end, the water inlet pipe 6 and the water outlet pipe 19 respectively correspond to two cavities between the first pipe 3 and the second pipe 4, and the water inlet pipe 6 is connected with an external water source. The cooling water enters the cavity from the water inlet pipe 6 and fills the cavity with the cooling water, the cooling water flows from the rear end to the front end along the cavity on one side of the water inlet, flows to the cavity on the other side from the channel between the two pipes which are not blocked at the front end of the partition board 2, and finally flows out from the water outlet pipe 19, so that the cooling of the quenching water gun is completed. The water inlet pipe 6 and the water outlet pipe 19 extend out of the reaction furnace from a pre-buried steel pipe on the furnace wall of the reaction furnace, one end of the pre-buried steel pipe is in threaded connection with the first pipe 3, the diameter of the other end of the pre-buried steel pipe is larger than the outer diameter of the first pipe 3, and the water inlet pipe 6 and the water outlet pipe 19 can extend out.
As shown in fig. 2, a third pipe 5 is arranged in the center inside the second pipe 4, a support 20 is arranged on the inner wall of the front end of the second pipe 4, the support 20 is three sections of steel plates uniformly arranged on the inner wall of the second pipe 4, the steel plates are parallel to the axis of the second pipe 4 and welded on the inner wall of the second pipe 4, the front end of the third pipe 5 penetrates through the support 20 and is flush with the front end of the second pipe 4, and the steel plates support the outer wall of the front end of the third pipe 5 while being suspended to radially position the third pipe 5. The third tube 5 is rotatable within the support 20. The second plug 18 is arranged in the tail end of the rear end of the second pipe 4, the second plug 18 is in a circular ring shape, the outer edge of the circular ring is connected with the second pipe, and the size of the inner edge (central circular hole) of the circular ring is slightly larger than the outer diameter of the third pipe 5, so that the third pipe 5 can conveniently rotate in the hole. An air inlet pipe 8 is arranged at the rear end of the second pipe 4, and the air inlet pipe 8 is connected with an external air source. The cooling gas enters the gap between the second pipe 4 and the third pipe 5 from the gas inlet pipe 8, is sprayed out from the gaps of the three steel plates of the support 20, and cools the right-angle nozzle connected to the front end of the third pipe 5.
The second pipe 4 is a round pipe, the rear end of which extends out of the first pipe 3 and is connected with the front end of the connecting piece 9 through external threads; the rear end of the connecting piece 9 is in threaded connection with the front end of the clamping piece 10, and the rear end of the clamping piece 10 is in clamping connection with the pressing piece 13; the connecting piece 9 can adopt a ball valve, and the ball valve can be closed when the third pipe 5 is drawn out, so that the carbon black smoke is prevented from being sprayed out. The inside of the clamping piece 10 is of a cavity structure, and a sealing device is arranged inside the clamping piece; the sealing device comprises a sealing ring 17, a gasket 11 and a spring 12 in sequence from front to back, wherein the sealing ring 17 can adopt a graphite packing or an asbestos packing. The third pipe 5 passes through the centers of the sealing ring 17, the gasket 11 and the spring 12, one surface of the sealing ring 17 is pressed on a convex table surface of the inner wall of the clamping piece 10, the other surface of the sealing ring 17 is clamped in a groove of the gasket 11, one end of the spring 12 is propped against the gasket 11, the other end of the spring 12 is propped against the pressing piece 13, when the clamping piece 10 is clamped with the pressing piece 13, the spring 12 is propped against the spring 12 to compress the clamping piece, the gasket 11 compresses the sealing ring 17, and the sealing ring 17 seals a gap between the third pipe 5 and the clamping piece 10 to prevent carbon black smoke and cooling gas from being sprayed out. Two bayonets 16 are arranged at the rear end of the clamping piece 10, two protrusions 15 are correspondingly arranged at the tail end of the outer wall of the pressing piece 13, and the protrusions 15 are clamped in the bayonets 16 to connect the clamping piece 10 and the pressing piece 13 together. Specifically, the bayonet 16 is in a 7-shaped clamping groove, the protrusion 15 is in a cylindrical shape, the overall dimension of the protrusion 15 is smaller than the groove width of the clamping groove, and the protrusion 15 is convenient to move in the bayonet 16. As shown in fig. 3, the protrusion 15 enters from the vertical slot of the "7" shape and finally abuts against the other vertical slot of the "7" shape under the elastic force of the spring 12. Two handles 14 are further connected to the pressing member 13 in a threaded manner, and the tail ends of the threaded ends of the two handles 14 abut against the outer wall of the third pipe 5 to radially position the third pipe 5.
The rear end of the third tube 5 passes through the centers of the clamping piece 10 and the pressing piece 13 and extends out to be connected with an external water source, and the third tube 5 can rotate in the clamping piece 10 and the pressing piece 13;
as shown in fig. 1, a right-angle nozzle 1 is arranged on the inner wall of the front end of the third pipe 5, and the right-angle nozzle 1 is provided with a plurality of water spray holes. Specifically, the right-angle nozzle 1 comprises a nozzle 101, the nozzle 101 is in threaded connection with the third pipe 5 through a fixing piece 102, the fixing piece 102 is in welded connection with the third pipe 5, a plurality of water spray holes are uniformly formed in the nozzle 101, and an acute included angle between the central axis of the water spray holes and the central axis of the nozzle 101 is 40-70 degrees. It should be noted that the external dimension of the right-angle nozzle 1 is equal to or less than the external dimension of the third pipe 5, so that the third pipe 5 can be conveniently pulled out during maintenance.
When initially installing, the direction of the nozzle 101 is adjusted to be parallel to the direction of the handle 14, and the third pipe 5 and the pressing member 13 are marked, and when the third pipe 5 is rotated, it can be judged by the mark that the quenching water sprayed from the nozzle 101 is in the same direction or in the opposite direction. When the third tube 5 is to be rotated in use, the handle 14 is released. After rotating into place, the threaded end of the handle 14 is then pressed against the third tube 5. In order to control the displacement of the third tube 5 in the axial direction, a stop block can be fixed on the outer wall of the third tube 5 at the pressing piece 13, so that the rapid cooling effect of the carbon black flue gas of the reaction furnace is prevented from being influenced by the position of the nozzle 101 changed by the axial displacement of the third tube 5 in the rotating process. All the components of the invention are made of high temperature resistant materials, such as stainless steel 304, so as to prolong the service life of each component.
The using effect of the invention is shown in figures 4-7, and when only the common quenching water gun 21 is arranged, no cooling atomized water is arranged in the center of the reaction furnace. When the novel quenching water gun 22 is arranged in the reaction furnace, the central area of the reaction furnace is also full of quenching atomized water, so that the contact area between the carbon black smoke and the quenching atomized water is greatly increased.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. A novel carbon black quenching device is characterized by comprising a first pipe (3), wherein the front end and the rear end of the first pipe (3) are respectively provided with a first plug (7), the two first plugs (7) are respectively in a circular ring shape, the outer edge of the circular ring is connected with the first pipe (3), the inner edge of the circular ring is connected with the outer wall of a second pipe (4), the second pipe (4) penetrates through the center of the first pipe (3) and forms a sleeve structure with two closed ends with the first plugs (7) plugged at the two ends, and the rear end of the second pipe (4) extends out of the first plug (7) at the rear end of the first pipe (3) by a certain length; two partition plates (2) are symmetrically arranged between a first pipe (3) and a second pipe (4) along the length direction of the first pipe (3), one end of each partition plate (2) is connected with a first plug (7) connected with the rear end of the first pipe (3), the other end of each partition plate is separated from another first plug (7) at the front end of the first pipe (3) by a certain distance, the space between the inner wall of the first pipe (3) and the outer wall of the second pipe (4) is separated into two cavities with one end connected by the two partition plates (2), a water inlet pipe (6) and a water outlet pipe (19) are connected to the first pipe (3) close to the rear end, the water inlet pipe (6) and the water outlet pipe (19) are respectively and correspondingly connected with the two cavities between the first pipe (3) and the second pipe (4), and the water inlet pipe (6) is connected with an external water source; a third pipe (5) is arranged in the center of the inside of the second pipe (4), a support (20) is arranged on the inner wall of the second pipe (4), the front end of the third pipe (5) penetrates through the support (20) to be flush with the second pipe (4), a second plug (18) is arranged in the back end of the second pipe (4), the second plug (18) is annular, the outer edge of the annular is connected with the second pipe (4), the size of the inner edge of the annular is larger than the outer diameter of the third pipe (5), and the third pipe (5) penetrates through the center of the second pipe (4) to form a sleeve structure; the rear end of the second pipe (4) is connected with the front end of the connecting piece (9), the rear end of the connecting piece (9) is connected with the front end of the clamping piece (10), and the rear end of the clamping piece (10) is clamped with the pressing piece (13); the inner part of the clamping piece (10) is of a cavity structure, and a sealing device is arranged in the clamping piece; the rear end of the third pipe (5) passes through the centers of the clamping piece (10) and the pressing piece (13) and extends out to be connected with an external water source; an air inlet pipe (8) is arranged on the second pipe (4) close to the rear end, and the air inlet pipe (8) is connected with an external air source; be connected with right angle shower nozzle (1) on the front end inner wall of third pipe (5), be equipped with a plurality of hole for water sprayings on right angle shower nozzle (1), first pipe (3) are the pipe the outer wall of first pipe (3) one end is equipped with the external screw thread, first end cap (7) are the steel sheet, first end cap (7) welded connection first pipe (3) and second pipe (4).
2. The novel carbon black quenching device as claimed in claim 1, wherein the second pipe (4) is a round pipe, the second pipe (4) is connected with the connecting piece (9) through threads, the second plug (18) is connected with the inner wall of the second pipe (4) in a welding mode, and the size of a central circular hole of the second plug (18) is larger than the size of the outer diameter of the third pipe (5).
3. The novel carbon black quenching device as claimed in claim 1, wherein the right-angle nozzle (1) comprises a nozzle (101), the nozzle (101) is in threaded connection with the third pipe (5) through a fixing member (102), the fixing member (102) is in welded connection with the third pipe (5), a plurality of water spray holes are uniformly arranged on the nozzle (101), and the acute included angle between the central axis of the water spray holes and the central axis of the nozzle (101) is 40-70 degrees.
4. The novel carbon black quenching device as claimed in claim 1, wherein the sealing device comprises a sealing ring (17), a gasket (11) and a spring (12) from front to back in sequence, the third pipe (5) passes through the centers of the sealing ring (17), the gasket (11) and the spring (12), one surface of the sealing ring (17) is pressed on a convex table surface of the inner wall of the clamping piece (10), the other surface of the sealing ring is clamped in a groove of the gasket (11), one end of the spring (12) is pressed on the gasket (11), the other end of the spring is pressed on the pressing piece (13), and the sealing ring (17) is a graphite packing or an asbestos packing.
5. The novel carbon black quenching device as claimed in claim 1, wherein the outer wall of the front end of the clamping piece (10) is in threaded connection with the connecting piece (9), the rear end of the clamping piece (10) is provided with at least one bayonet (16), the end of the outer wall of the pressing piece (13) is provided with the same number of protrusions (15) as the bayonet (16), and the protrusions (15) are clamped in the bayonet (16).
6. The novel carbon black quenching device as claimed in claim 5, wherein the bayonet (16) is in the shape of a 7-shaped slot, the number of the bayonet is 2, the protrusion (15) is in the shape of a column, the number of the protrusion is 2, and the external dimension of the protrusion (15) is smaller than the slot width of the slot.
7. The novel carbon black quenching device as claimed in claim 1, wherein the support (20) is three sections of steel plates uniformly arranged on the inner wall of the second pipe (4), the steel plates are welded on the inner wall of the second pipe (4) in parallel with the axis of the second pipe (4), and the suspended edges of the steel plates support the outer wall of the third pipe (5).
8. The novel carbon black quenching device as claimed in claim 1, wherein two handles (14) are screwed on the pressing member (13), and the threaded ends of the two handles (14) are against the outer wall of the third pipe (5).
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| CN202010136317.3A CN111303669B (en) | 2020-03-02 | 2020-03-02 | Novel carbon black rapid cooling device and system |
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| CN202010136317.3A CN111303669B (en) | 2020-03-02 | 2020-03-02 | Novel carbon black rapid cooling device and system |
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