CN203877509U - Anti-blocking device and material conveying cooling system - Google Patents
Anti-blocking device and material conveying cooling system Download PDFInfo
- Publication number
- CN203877509U CN203877509U CN201420248289.4U CN201420248289U CN203877509U CN 203877509 U CN203877509 U CN 203877509U CN 201420248289 U CN201420248289 U CN 201420248289U CN 203877509 U CN203877509 U CN 203877509U
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- Prior art keywords
- conveying
- air inlet
- inlet
- pipeline
- air
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- 239000000463 material Substances 0.000 title claims abstract description 48
- 238000001816 cooling Methods 0.000 title claims abstract description 44
- 230000001154 acute effect Effects 0.000 claims abstract description 5
- 238000010298 pulverizing process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000003570 air Substances 0.000 description 103
- 239000007787 solid Substances 0.000 description 13
- 239000000428 dust Substances 0.000 description 12
- 238000000926 separation method Methods 0.000 description 10
- 229910052602 gypsum Inorganic materials 0.000 description 7
- 239000010440 gypsum Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Crushing And Pulverization Processes (AREA)
Abstract
The utility model provides an anti-blocking device (23) which comprises an air inlet (232) and a baffle (233). The air inlet (232) is formed in the bottom wall of a conveying pipeline (21), the baffle (233) extends into the conveying pipeline (21) through the air inlet (232), and the included angle between the baffle (233) and the wall of the conveying pipeline (21) is an acute angle. The utility model further provides a material conveying cooling system which comprises a grinding unit (1), a conveying cooling unit (2) and a collecting unit (3), the conveying cooling unit (2) comprises the conveying pipeline (21), a spiral air duct inlet device (22) and the anti-blocking device (23). The material conveying cooling system can cool materials in the conveying process.
Description
Technical Field
The utility model relates to an anti-blocking device and material cooling system, concretely relates to a material transport cooling system who is used for material to carry cooling system's anti-blocking device and contains this anti-blocking device.
Background
At present, the calcined gypsum powder obtained after the firing of the gypsum is relatively large in particle and relatively high in temperature, and needs to be cooled and then conveyed to a storage bin through a conveying device for storage.
In a general process, a large-scale apparatus such as a ball mill or a cooler is generally used to grind and cool a calcined gypsum powder, and then the ground calcined gypsum powder is conveyed. The material cooling and conveying mode has the advantages of multiple used devices, complex working procedures, large occupied area, difficulty in compact design of process arrangement, high investment, high consumption of human resources in the using process and inconvenience in maintenance.
Disclosure of Invention
The utility model provides an anti-blocking device, anti-blocking device 23 includes air inlet 232 and baffle 233, air inlet 232 sets up on the bottom wall in pipeline 21, baffle 233 follows air inlet 232 stretches into in pipeline 21 and with pipeline 21's wall acutangular angle sets up.
In the present invention, the air inlet 232 may be an opening or a gap of any shape known to those skilled in the art, for example, the top view of the air inlet 232 may be a circle, an ellipse, a rectangle, a square, a regular or irregular polygon, etc., preferably a rectangle.
In the present invention, the size of the air inlet has no special requirement as long as it can finally realize the effect of blowing up the material deposited on the wall of the conveying pipe.
In the present invention, the baffle 233 may have a rectangular shape, a square shape, a circular shape, or the like, preferably a rectangular shape. The length of the baffle 233 in the direction horizontal and vertical to the airflow advancing direction of the conveying pipeline is equal to that of the air inlet 232; the width of the baffle 233 is such that the baffle 233 protrudes from the inlet 232 into the conveying pipe 21 and does not exceed the position of the ultrafine grinding blanking point.
Preferably, the baffle 233 extends into the conveying pipe 21 from a side of the air inlet 232 close to the inlet end of the conveying pipe 21. So that the airflow passing through the air inlet 232 climbs forward along the bottom of the pipeline, and the material deposited on the bottom of the pipeline is blown up to move along the forward direction of the airflow entering from the spiral duct inlet device 22.
Preferably, the baffle 233 is disposed at an angle of 20-25 ° to the wall of the delivery conduit 21. By arranging the baffle 233 at an angle of 20-25 ° to the wall of the conveying pipe 21, the air of the air inlet 232 can better drive the deposited material to move in the air flow advancing direction of the spiral air duct inlet device 22.
Preferably, the anti-blocking device 23 further comprises a hollow element 234 disposed on the conveying pipe 21 and surrounding the air inlet 232 and the baffle 233, and the hollow element 234 is further communicated with at least one air inlet pipe. Through hollow component 234 intercommunication air inlet 232 and inlet duct, effectively solved air inlet 232 and inlet duct and be difficult to connect or connect the problem of leaking out. Preferably, there may be one or more air inlet ducts communicating with the hollow element 234, and those skilled in the art can select the air inlet ducts according to actual needs. The position where the air inlet duct is connected to the hollow member 234 is not particularly required, and it is preferable that the air inlet duct is connected to the hollow member 234 at the side of the hollow member 234. The inlet duct is also connected to a blower 231, and provides an air flow to the inlet 232 through the blower 231. The blower may be a roots blower as known in the art or other air delivery device that provides the same pressure and effect as a roots blower.
Preferably, under the condition that a plurality of air inlets are arranged, only one air inlet pipeline can be used by arranging the hollow element 234, so that the arrangement of a plurality of air inlet pipelines can be avoided, the problem of air leakage of the plurality of air inlet pipelines is effectively avoided, and the labor intensity is greatly reduced.
The utility model also provides a cooling system is carried to material, include: the grinding unit 1, the conveying and cooling unit 2 and the collecting unit 3;
wherein the transport cooling unit 2 comprises a transport duct 21; a spiral duct inlet device 22 and an anti-blocking device 23 as described above;
the inlet end of the conveying pipeline 21 is communicated with the spiral air duct inlet device 22, and the outlet end of the conveying pipeline 21 is communicated with the collecting unit 3; the grinding unit 1 is arranged on the side wall of the inlet end of the conveying pipeline 21 and is communicated with the conveying pipeline 21;
the anti-blocking device 23 comprises an air inlet 232 and a baffle 233, wherein the air inlet 232 is arranged on the bottom wall in the conveying pipeline 21, and the baffle 233 extends into the conveying pipeline 21 from the air inlet 232 and is arranged at an acute angle with the wall of the conveying pipeline 21.
The utility model discloses in, grinding unit 1 with air inlet 232 can be one or more respectively, and under the preferred condition, for every grinding unit, all set up an air inlet, and the air inlet setting is in the air inlet side of the superfine grinding blanking point of grinding unit and 1-5cm apart from the blanking point for the air current through the air inlet input can drive the material of blanking point deposit on the pipeline wall along the direction motion that advances from the air current that spiral duct inlet device 22 got into.
According to the present invention, the shape of the conveying pipe 21 is not particularly required, and may be any one known to those skilled in the art, such as a straight pipe shape, or a bent pipe shape with one or more corners, and the shape can be selected by those skilled in the art according to actual needs.
According to the utility model discloses, pipeline 21's length and diameter can carry out actual selection according to factors such as actual need's handling capacity, material cooling temperature.
Preferably, when the conveying pipe 21 is a straight pipe shape, the air inlet 232 is provided at a position opposite to the pulverizing unit 1 on the conveying pipe 21. When the conveying pipe 21 has a curved tubular shape with one or more corners, the air inlet 232 is provided at a position opposite to the pulverizing unit 1 on the conveying pipe 21 and at a position of a corner of the conveying pipe 21. Thus, the air flow provided by the air inlet 232 can effectively drive the materials deposited on the position of the conveying pipeline 21 opposite to the grinding unit 1 and the position of the corner of the conveying pipeline 21 to move, and finally the materials are taken out of the conveying pipeline 21 by the air supply of the spiral air duct inlet device 22.
Preferably, the spiral duct inlet 22 is a duct for air intake, wherein at least three flow guiding members 221 inclined in the same direction with respect to the duct wall of the conveying duct 21 are disposed in the duct of the spiral duct inlet 22.
The inclined guide piece 221 is arranged in the pipeline of the spiral air duct inlet device 22, so that the air flow sent into the conveying pipeline 21 is in a spiral advancing mode, the contact time of the air flow and the materials in the conveying pipeline 21 is prolonged, and the cooling of the materials is facilitated.
Preferably, the angle between the flow guide part 221 and the conveying pipeline 21 in the direction of the air flow is 20-25 °.
The duct of the spiral duct inlet device 22 may be a duct of a shape known to those skilled in the art, and may be, for example, a circular duct. Preferably, the spiral duct inlet device 22 is a circular pipe with a tapered opening, wherein the tapered opening end is communicated with the conveying pipe 21. By arranging the pipes of the spiral air duct inlet device 22 in this way, the spirally advancing airflow moving towards the collecting unit 3 in a spiral fluid form can be more effectively obtained, so that the materials are fully contacted with the air, the contact time is prolonged, and the cooling purpose is better realized.
According to the present invention, the grinding unit 1 and the collecting unit 3 may be of a structure known to those skilled in the art to enable powder feeding and material collection.
Preferably, the pulverizing unit 1 may include several ultrafine mills for feeding the pulverized material to the conveying pipe 21.
Preferably, the collecting unit 3 may include a gas-solid separating device 31, a dust collecting fan 32 and a storage bin 33. The dust collecting fan 32 is connected with the gas-solid separation device 31, and is used for exhausting air to the outside of the system and providing negative pressure for the conveying pipeline 21.
Preferably, the gas-solid separation device 31 is provided with an air equalizing device 311, the air equalizing device 311 comprises a plurality of air equalizing plates, the surfaces of all the air equalizing plates are parallel to each other and face one side of the air inlet, and the surfaces of all the air equalizing plates are provided with ventilation openings. The air equalizing device 311 can make the mixed air entering the gas-solid separation device uniformly distributed, effectively reduce the damage degree of the device at one side of the air inlet, and improve the dust removal performance of the equipment. The gas-solid separation device 31 may be a bag dust collector.
Preferably, the bottom of the storage bin 33 is provided with a rapping device 331, and the rapping device 331 can perform vibrating rapping on the storage bin 33 to prevent material blockage.
The utility model provides an anti-blocking device 23 can prevent effectively that the material from the deposit in pipeline in transportation process. And the utility model provides a cooling system is carried to material, through anti-blocking device 23 with carry cooling unit 2's entry end intercommunication spiral duct import device 22 makes high temperature material and air direct contact, has prolonged the contact time with the material under the effect of spiral wind, has realized the cooling of material when carrying the material, can replace the cooler completely for use the place and reduce greatly, practice thrift the investment, reduced the energy consumption, and simple structure, reliability are high, low cost, easily use widely.
Drawings
The following further describes the embodiments of the present invention with reference to the attached drawings:
fig. 1 is a schematic view of the anti-blocking device of the present invention;
FIG. 2 is a schematic cross-sectional view of the anti-blocking device of the present invention in the direction A;
fig. 3 is a schematic structural diagram of the material conveying and cooling system of the present invention.
Detailed Description
The present invention will now be further described by way of examples, which are not intended to limit the scope of the invention. It should be understood by those skilled in the art that the equivalent replacement of the technical features of the present invention or the corresponding improvement is still within the protection scope of the present invention.
As shown in fig. 1-2, the anti-blocking device 23 includes an air inlet 232 and a baffle 233, the air inlet 232 is disposed on the bottom wall of the conveying pipe 21, and the baffle 233 extends from the air inlet 232 into the conveying pipe 21 and is disposed at an acute angle with respect to the bottom wall of the conveying pipe 21 (i.e., as shown in fig. 1, an included angle formed by a portion of the baffle 233 outside the conveying pipe 21 and the bottom wall of the conveying pipe 21).
The baffle 233 extends into the delivery duct 21 from a side of the air inlet 232 near the inlet end of the delivery duct 21. The baffle 233 is disposed at an angle of 25 ° to the bottom wall of the delivery conduit 21.
The anti-blocking device 23 further includes a hollow member 234 provided on the conveying pipe 21 to surround the air inlet 232 and the baffle 233 provided at a position opposite to the pulverizing unit 1, and the hollow member 234 is further communicated with an air inlet pipe communicated with the roots blower 231.
The anti-blocking device 23 further comprises a hollow element arranged on the conveying pipeline 21 and surrounding the air inlet and the baffle arranged at the corner position of the conveying pipeline 21, and the hollow element is also communicated with an air inlet pipeline communicated with the Roots blower.
Fig. 3 is the structural schematic diagram of the material conveying cooling system of the present invention, as shown in fig. 3, the material conveying cooling system includes: the grinding unit 1, the conveying and cooling unit 2 and the collecting unit 3; wherein the transport cooling unit 2 comprises a transport duct 21; a spiral air duct inlet device 22 and an anti-blocking device 23; the inlet end of the conveying pipeline 21 is communicated with the spiral air duct inlet device 22, and the outlet end of the conveying pipeline 21 is communicated with the collecting unit 3; the grinding unit 1 is arranged on the upper wall of the inlet end of the conveying pipeline 21 and communicated with the conveying pipeline 21; the anti-blocking device 23 comprises an air inlet 232 and a baffle 233, wherein the air inlet 232 is arranged on the bottom wall of the conveying pipeline 21, and the baffle 233 extends into the conveying pipeline 21 from the air inlet 232 and is arranged at an acute angle with the bottom wall of the conveying pipeline 21 (i.e. as shown in fig. 1, the part of the baffle 233 outside the conveying pipeline 21 forms an included angle with the bottom wall of the conveying pipeline 21).
The spiral air duct inlet device 22 is an air inlet pipeline, wherein three guide parts 221 inclined in the same direction relative to the pipe wall of the conveying pipeline 21 are arranged in the pipeline of the spiral air duct inlet device 22. The angle between the flow guide part 221 and the conveying pipeline 21 in the direction of the entering of the air flow is 25 degrees. The inlet device 22 of the spiral air duct is a pipe with a tapered opening, wherein the tapered opening end is communicated with the conveying pipe 21.
The collecting unit 3 comprises a gas-solid separation device 31, a dust collecting fan 32 and a storage bin 33. Wherein the dust collecting fan 32 is connected with the gas-solid separation device 31. The gas-solid separation device 31 is provided with an air equalizing device 311, and the bottom of the storage bin 33 is provided with a rapping device 331.
The air current touches the guiding element (helical blade) 221 and enters the conveying and cooling pipeline 21 through the helical air duct inlet device 22 in a helical advancing manner, the material (the calcined gypsum powder) enters the conveying and cooling pipeline 21 through the grinding unit 1, and the helical advancing air current drives the material in the conveying and cooling pipeline 21 to advance. The pipeline adopts high gas-solid ratio, and the solid concentration is controlled at 700g/m3Air, which brings about a sufficient contact between the material at about 150 ℃ and the ambient air, the mixture of air flow and the air flow of the calcined gypsum powder moves at a speed of 18 m/s in the form of a spiral fluid towards the collection unit 3, while an air flow enters the hollow element 234 through the air inlet duct and obliquely enters the transport cooling duct 21 through the baffle plate 233 inclined to the transport cooling duct 21, carrying the material deposited on the wall of the transport cooling duct 21 and being carried forward by the spirally advancing air flow.
In addition, at the corner of the conveying cooling pipeline 21, air flows enter the hollow element through the air inlet pipeline and obliquely enter the conveying cooling pipeline 21 through the baffle plate, so that the materials deposited at the corner of the conveying cooling pipeline 21 are driven to move forwards by the spirally advancing air flow.
The dust collection fan 32 provides negative pressure for the conveying cooling pipeline 21, so that the material is conveyed to the gas-solid separation device 31 (such as a bag dust collector) through the conveying cooling pipeline 21, the gas-solid separation device 31 separates the material from the gas and collects the material to the storage bin 33, and the separated gas is discharged out of the system.
The gas-solid separation device 31 is a bag dust collector and is provided with an air equalizing device 311, the air equalizing device 311 comprises a plurality of air equalizing plates, the surfaces of all the air equalizing plates are parallel to each other and face one side of the air inlet, and ventilation openings are formed in the surfaces of all the air equalizing plates. The air equalizing device 311 can uniformly distribute the mixed air entering the bag dust collector, effectively reduce the damage degree of the bag dust collector at one side of the air inlet, and improve the dust removal performance of the equipment.
The bottom of the storage bin 33 is provided with a rapping device 331, and the rapping device 331 can perform vibrating rapping on the storage bin 33 to prevent material blockage.
By the above-described transport cooling process, a calcined gypsum powder material of about 50 ℃ is finally obtained in the collection unit 3.
In summary, the above is merely a preferred embodiment of the present invention and is not intended to limit the scope of the invention, therefore, any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The anti-blocking device is characterized in that the anti-blocking device (23) comprises an air inlet (232) and a baffle (233), the air inlet (232) is formed in the bottom wall of a conveying pipeline (21), and the baffle (233) extends into the conveying pipeline (21) from the air inlet (232) and is arranged at an acute angle with the wall of the conveying pipeline (21).
2. The anti-clogging device according to claim 1, characterized in that said baffle (233) protrudes into said conveying duct (21) from the side of said air inlet (232) close to the inlet end of said conveying duct (21).
3. The anti-clogging device of claim 2, characterized in that said baffle (233) is arranged at an angle of 20-25 ° to the wall of said conveying duct (21).
4. The anti-blocking device according to claim 3, characterized in that the anti-blocking device (23) further comprises a hollow element (234) arranged on the conveying pipe (21) surrounding the air inlet (232) and the baffle (233), the hollow element (234) further communicating with at least one air inlet pipe.
5. A material transport cooling system, comprising: the grinding unit (1), the conveying and cooling unit (2) and the collecting unit (3); wherein,
the conveying and cooling unit (2) comprises a conveying pipeline (21), a spiral air duct inlet device (22) and an anti-blocking device (23) according to any one of claims 1-4;
the inlet end of the conveying pipeline (21) is communicated with the spiral air duct inlet device (22), and the outlet end of the conveying pipeline (21) is communicated with the collecting unit (3); the grinding unit (1) is arranged on the side wall of the inlet end of the conveying pipeline (21) and communicated with the conveying pipeline (21).
6. The material conveying cooling system according to claim 5, characterized in that the air inlet (232) is provided on the conveying pipe (21) at a position opposite to the pulverizing unit (1).
7. The material conveying and cooling system according to claim 5 or 6, characterized in that the air inlet (232) is arranged at the position of the corner of the conveying pipe (21).
8. The material conveying and cooling system according to claim 5, wherein the spiral duct inlet device (22) is an air inlet pipeline, wherein at least three flow guide members (221) which are inclined in the same direction relative to the pipe wall of the conveying pipeline (21) are arranged in the pipeline of the spiral duct inlet device (22).
9. The material conveying and cooling system as claimed in claim 8, characterized in that the angle between the flow guide (221) and the conveying pipe (21) in the direction of the entry of the air flow is 20-25 °.
10. The material conveying and cooling system as set forth in claim 9, characterized in that the spiral duct inlet means (22) is a tapered open pipe, wherein the tapered open end communicates with the conveying pipe (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420248289.4U CN203877509U (en) | 2014-05-15 | 2014-05-15 | Anti-blocking device and material conveying cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420248289.4U CN203877509U (en) | 2014-05-15 | 2014-05-15 | Anti-blocking device and material conveying cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203877509U true CN203877509U (en) | 2014-10-15 |
Family
ID=51678036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420248289.4U Expired - Fee Related CN203877509U (en) | 2014-05-15 | 2014-05-15 | Anti-blocking device and material conveying cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203877509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109573487A (en) * | 2018-11-15 | 2019-04-05 | 山东理工大学 | A kind of wind-force spiral feeder |
| CN115626491A (en) * | 2022-11-02 | 2023-01-20 | 衣红 | Cyclone disturbance type feeding machine |
-
2014
- 2014-05-15 CN CN201420248289.4U patent/CN203877509U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109573487A (en) * | 2018-11-15 | 2019-04-05 | 山东理工大学 | A kind of wind-force spiral feeder |
| CN115626491A (en) * | 2022-11-02 | 2023-01-20 | 衣红 | Cyclone disturbance type feeding machine |
| CN115626491B (en) * | 2022-11-02 | 2025-08-26 | 衣红 | A cyclone disturbance feeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 |