CN111686672A - Polyurethane reaction kettle - Google Patents
Polyurethane reaction kettle Download PDFInfo
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- CN111686672A CN111686672A CN202010667465.8A CN202010667465A CN111686672A CN 111686672 A CN111686672 A CN 111686672A CN 202010667465 A CN202010667465 A CN 202010667465A CN 111686672 A CN111686672 A CN 111686672A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 104
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 24
- 239000004814 polyurethane Substances 0.000 title claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 56
- 238000003756 stirring Methods 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 239000013590 bulk material Substances 0.000 claims abstract description 14
- 238000007790 scraping Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000000110 cooling liquid Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 10
- 230000035484 reaction time Effects 0.000 description 8
- 239000002699 waste material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 medical treatment Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00132—Controlling the temperature using electric heating or cooling elements
- B01J2219/00135—Electric resistance heaters
-
- 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
- Y02P20/141—Feedstock
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention relates to the technical field of reaction kettles, and discloses a polyurethane reaction kettle which comprises a kettle body, a rotating shaft, a motor and a controller, wherein a cavity is arranged in the kettle body, the motor is arranged in the kettle body and is connected with the rotating shaft, the rotating shaft is provided with a bulk material ring plate, the rotating shaft is provided with stirring blades and scraping plates which are alternately arranged at intervals, the lower part of the rotating shaft is provided with a stirring rod which is contacted with the cavity bottom of the cavity, the top of the kettle body is provided with a feeding hole which is positioned above the bulk material ring plate, the bottom of the kettle body is provided with a discharging hole, the discharging hole is connected with a discharging pipe, the bottom end of the rotating shaft extends into the discharging pipe, the rotating shaft is of a hollow structure, the lower part of the rotating shaft is provided with a material passing hole, the feed valve, the discharge valve, the temperature control mechanism and the temperature sensor are electrically connected. The invention has the advantages of full mixing of reaction raw materials, automatic control of reaction temperature, high reaction efficiency and high quality of finished products.
Description
Technical Field
The invention relates to the technical field of reaction kettles, in particular to a polyurethane reaction kettle.
Background
Polyurethane is short for polyurethane, polyurethane is a high polymer material with the characteristics of high strength, tear resistance, wear resistance and the like, and is widely applied to the fields of light industry, chemical industry, electronics, textile, medical treatment, building materials, automobiles, national defense, aerospace, aviation and the like due to excellent performance, in the production process of the existing polyurethane, the polyurethane is usually put into a reaction device for reaction and is stirred by a simple stirring rod, but when the mixed materials are more, the stirring is uneven, particularly, when the reaction raw materials are agglomerated, the reaction raw materials cannot be dispersed, the quality of finished products is low, but the reaction speed cannot be timely changed according to the reaction, the reaction efficiency is low, the quality of the finished products is low, and because the viscosity of the reaction raw materials is larger, the reaction raw materials are easy to adhere to the inner wall of the reaction device, so that the reaction raw materials cannot be uniformly mixed, it also results in waste of reaction raw materials.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the polyurethane reaction kettle can fully mix reaction raw materials, automatically control reaction temperature, and has high reaction efficiency and high finished product quality.
In order to solve the technical problem, the invention provides a polyurethane reaction kettle, which comprises a kettle body, a rotating shaft, a motor and a controller, wherein a cavity is arranged in the kettle body, the motor is arranged at the top of the kettle body, an output shaft of the motor penetrates through the kettle body and extends into the cavity to be connected with the rotating shaft, a bulk material annular plate is arranged at the upper part of the rotating shaft and is umbrella-shaped, a plurality of stirring blades for stirring reaction raw materials and a plurality of scraping plates for scraping the reaction raw materials on the cavity wall of the cavity are arranged at the middle part of the rotating shaft, the stirring blades and the scraping plates are alternately arranged along the axial direction of the rotating shaft at intervals, the tail ends of the scraping plates are in contact with the cavity wall of the cavity, a stirring rod is arranged at the lower part of the rotating shaft, the lower surface of the stirring rod is in contact with the cavity bottom of the cavity, and a feed inlet is, the feed inlet is located the top of bulk cargo crown plate, the bottom of the cauldron body is equipped with the discharge gate, discharge gate department is connected with the discharging pipe, the bottom of axis of rotation extends in the discharging pipe, the axis of rotation is hollow structure, the lower part of axis of rotation be equipped with the cavity with the material passing hole of discharging pipe intercommunication, feed inlet department is equipped with the feed valve, be equipped with the bleeder valve on the discharging pipe, be equipped with on the cauldron body and be used for control the temperature control mechanism of the temperature of cavity, be equipped with temperature sensor on the chamber wall lower part of cavity, the controller respectively with motor, feed valve, bleeder valve, temperature control mechanism and temperature sensor electricity are connected.
As a preferable scheme of the present invention, the temperature control mechanism includes a medium flow channel arranged around the periphery of the kettle body, the medium flow channel is provided with a gas inlet and a gas outlet, the gas inlet and the gas outlet are connected with a change-over valve, the gas outlet is connected with a collection box, when the reaction raw material is heated, steam is supplied to the medium flow channel, and when the reaction raw material is cooled, cooling liquid is supplied to the medium flow channel.
As a preferable scheme of the present invention, the temperature control mechanism further comprises a heating wire, the heating wire is arranged on the outer side of the bottom surface of the kettle body, and the heating wire is electrically connected with the controller.
In a preferred embodiment of the present invention, the lower surface of the stirring rod is provided with a plurality of protrusions spaced apart from each other, and the protrusions contact with the bottom surface of the cavity.
As a preferable scheme of the invention, the upper part of the kettle body is provided with an air inlet pipe and an air outlet pipe for conveying air, the air inlet pipe is provided with an air inlet valve, the air outlet pipe is provided with an air outlet valve, and the controller is respectively electrically connected with the air inlet valve and the air outlet valve.
As the preferable scheme of the invention, the inlet end of the air outlet pipe is provided with a filter screen.
As a preferable scheme of the invention, the scraper comprises a connecting plate and an arc-shaped plate, one end of the connecting plate is connected with the inner side wall of the arc-shaped plate, the other end of the connecting plate is connected with the rotating shaft in an inserting manner or in a sleeving manner, and the outer side wall of the arc-shaped plate is in contact with the cavity wall of the cavity.
As a preferable scheme of the present invention, a display screen is arranged on an outer wall of the kettle body, and the display screen is electrically connected with the controller.
As a preferable scheme of the present invention, a seal ring is disposed between the rotating shaft and the discharge port.
Compared with the prior art, the polyurethane reaction kettle provided by the embodiment of the invention has the beneficial effects that:
according to the invention, through the arrangement of the bulk material ring plate, the reaction raw materials fall on the bulk material ring plate after entering from the feeding hole and then fall off from the bulk material ring plate, so that the reaction raw materials are firstly dispersed and mixed before being stirred, and the subsequent stirring efficiency and the finished product quality are improved; the reaction raw materials are stirred in a compound mode through the stirring blades and the scraping plates, so that the reaction raw materials can be fully mixed in the cavity, the reaction efficiency is improved, the reaction time is shortened, meanwhile, the reaction raw materials attached to the cavity wall of the cavity can be continuously scraped off, the scraped reaction raw materials are mixed, the mixing degree of the reaction raw materials is improved, the waste of the reaction raw materials is reduced, and the utilization rate of the reaction raw materials is high; the reaction raw materials positioned at the lower part of the cavity are stirred by the arrangement of the stirring rod, so that insufficient reaction caused by the deposition of the reaction raw materials is effectively prevented, and the quality of a finished product is improved; in addition, through the combination of temperature control mechanism and temperature sensor, can realize automatic control reaction temperature according to the temperature of reaction demand automatic control inner chamber, improve reaction efficiency, shorten reaction time.
From this, reaction raw materials carries out the dispersion through bulk cargo crown plate and mixes, rethread stirring leaf, scraper blade and stirring rod stir and mix, and through the temperature of accuse temperature mechanism and temperature sensor automatic control inner chamber, thereby can carry out the intensive mixing to reaction raw materials, make reaction raw materials can the intensive reaction, can also realize automatic control reaction temperature, the reaction efficiency is high, reaction time is short, the finished product quality is high, and reaction raw materials on the chamber wall of cavity can be scraped through the scraper blade and fall, reduce reaction raw materials's waste, reaction raw materials's high-usage.
Drawings
FIG. 1 is a schematic structural diagram of a polyurethane reaction kettle according to an embodiment of the present invention;
in the figure, 1, a kettle body; 2. a rotating shaft; 3. a motor; 4. a cavity; 5. a bulk material ring plate; 6. stirring blades; 7. a squeegee; 71. a connecting plate; 72. an arc-shaped plate; 8. a stirring rod; 9. a feed inlet; 10. a discharge port; 11. a discharge pipe; 12. a material passing port; 13. a feed valve; 14. a discharge valve; 15. a medium flow passage; 16. an air inlet port; 17. a gas and liquid outlet; 18. heating wires; 19. a bump; 20. an air inlet pipe; 21. an air outlet pipe; 22. and a switching valve.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "central", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., used herein are used in the orientation or positional relationship indicated in the drawings, which are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, a preferred embodiment of a polyurethane reaction kettle according to a preferred embodiment of the present invention includes a kettle body 1, a rotating shaft 2, a motor 3 and a controller, wherein a cavity 4 is formed in the kettle body 1, the motor 3 is disposed at the top of the kettle body 1, an output shaft of the motor 3 passes through the kettle body 1 and extends into the cavity 4 to be connected to the rotating shaft 2, a bulk material ring plate 5 is disposed at the upper portion of the rotating shaft 2, the bulk material ring plate 5 is umbrella-shaped, a plurality of stirring blades 6 for stirring reaction materials and a plurality of scraping plates 7 for scraping off reaction materials on a cavity wall of the cavity 4 are disposed at the middle portion of the rotating shaft 2, preferably, the plurality of stirring blades 6 are respectively disposed at intervals along the axial direction of the rotating shaft 2 and the circumferential direction of the rotating shaft 2, the plurality of scraping plates 7 are respectively disposed at intervals along the axial direction of the rotating shaft 2 and the circumferential direction of the rotating shaft 2, the stirring blades 6 and the scrapers 7 are alternately arranged at intervals along the axial direction of the rotating shaft 2, and the tail ends of the scrapers 7 are in contact with the cavity wall of the cavity 4; preferably, one end of the stirring blade 6 is in plug-in connection or socket connection with the rotating shaft 2, the scraper blades 7 comprise a connecting plate 71 and an arc-shaped plate 72, one end of the connecting plate 71 is connected with the inner side wall of the arc-shaped plate 72, the other end of the connecting plate 71 is in plug-in connection or socket connection with the rotating shaft 2, the outer side wall of the arc-shaped plate 72 is in contact with the cavity wall of the cavity 4, specifically, the stirring blade 6 is located in a space formed by surrounding the two vertically adjacent scraper blades 7, the lower part of the rotating shaft 2 is provided with a stirring rod 8, the lower surface of the stirring rod 8 is in contact with the cavity bottom of the cavity 4, the top of the kettle body 1 is provided with a feeding hole 9, preferably, a hopper is arranged at the feeding hole 9, the feeding hole 9 is located above the bulk material annular plate 5, a discharging hole 10 is arranged at the bottom of the, the bottom of axis of rotation 2 extends in the discharging pipe 11, axis of rotation 2 is hollow structure, the lower part of axis of rotation 2 be equipped with cavity 4 with the punishment in advance mouth 12 of discharging pipe 11 intercommunication, 9 departments of feed inlet are equipped with feed valve 13, be equipped with bleeder valve 14 on the discharging pipe 11, be equipped with on the cauldron body 1 and be used for control the temperature control mechanism of the temperature of cavity 4, be equipped with temperature sensor on the chamber wall lower part of cavity 4, the controller respectively with motor 3, feed valve 13, bleeder valve 14, temperature control mechanism and temperature sensor electricity are connected.
Illustratively, the temperature control mechanism comprises a medium flow passage 15 arranged around the periphery of the kettle body 1, the medium flow passage 15 is provided with an air inlet 16 and an air outlet 17, and the air inlet 16 is connected with a change-over valve 22; preferably, the temperature regulator is connected with a refrigerator or a heater through a change-over valve 22, a collection box is connected to the gas outlet 17, when the reaction raw material is heated, steam is supplied to the medium flow passage 15, and when the reaction raw material is cooled, cooling liquid is supplied to the medium flow passage 15; therefore, the controller controls the conversion valve 22 to be communicated with the refrigerator or the heater according to the temperature value detected by the temperature sensor, and then supplies steam or cooling liquid to the medium flow channel 15, so that the temperature of the inner cavity is controlled according to the reaction requirement, the reaction temperature is automatically controlled, the reaction efficiency is improved, and the reaction time is shortened.
Exemplarily, the temperature control mechanism further comprises a heating wire 18, the heating wire 18 is arranged on the outer side of the bottom surface of the kettle body 1, and the heating wire 18 is electrically connected with the controller; therefore, the temperature of the inner cavity can meet the requirement, meanwhile, the heating area of the reaction raw materials is increased, the reaction raw materials are uniformly heated, the reaction efficiency is improved, and the reaction time is shortened.
Illustratively, the lower surface of the stirring rod 8 is provided with a plurality of spaced lugs 19, and the lugs 19 are in contact with the bottom surface of the cavity 4; therefore, the friction force between the stirring rod 8 and the cavity bottom is reduced, and the rotating fluency of the stirring rod 8 is ensured.
For example, an air inlet pipe 20 and an air outlet pipe 21 for conveying air are arranged at the upper part of the kettle body 1, preferably, the air inlet pipe 20 and the air outlet pipe 21 are oppositely arranged, an air inlet valve is arranged on the air inlet pipe 20, an air outlet valve is arranged on the air outlet pipe 21, and the controller is electrically connected with the air inlet valve and the air outlet valve respectively; the design is convenient for filling gas into the cavity 4 and simultaneously prevents the reaction raw materials from flowing out.
Illustratively, the inlet end of the air outlet pipe 21 is provided with a filter screen; preferably, when the input gas is nitrogen, the filter screen comprises a calcium chloride drying layer, a sponge adsorption layer and an activated carbon adsorption layer, and the calcium chloride drying layer is close to the air inlet end of the air outlet pipe 21; therefore, the cleanliness of the discharged gas can be ensured.
Exemplarily, be equipped with the display screen on the outer wall of the cauldron body 1, the display screen with the controller electricity is connected, carries out real time monitoring to reation kettle's inside reaction temperature, and the user of being convenient for observes the temperature in the cavity 4 directly perceivedly, and control by temperature change is effectual.
Exemplarily, be equipped with the sealing washer between axis of rotation 2 with discharge gate 10 prevents that reaction raw materials from flowing out from the clearance between axis of rotation 2 and discharge gate 10, and the leakproofness is good.
To sum up, the embodiment of the invention provides a polyurethane reaction kettle, which enables reaction raw materials to enter from a feed inlet 9 and then fall on a bulk material ring plate 5 through the arrangement of the bulk material ring plate 5, and then fall off from the bulk material ring plate 5, so that the reaction raw materials are firstly subjected to dispersive mixing before being stirred, thereby improving the efficiency of subsequent stirring and the quality of finished products; through the arrangement of the stirring blades 6 and the scraping plates 7, the reaction raw materials are stirred in a compound mode, so that the reaction raw materials can be fully mixed in the cavity 4, the reaction efficiency is improved, the reaction time is shortened, meanwhile, the reaction raw materials attached to the cavity wall of the cavity 4 can be continuously scraped off, the scraped reaction raw materials are mixed, the mixing degree of the reaction raw materials is improved, the waste of the reaction raw materials is reduced, and the utilization rate of the reaction raw materials is high; the reaction raw materials positioned at the lower part of the cavity 4 are stirred by the arrangement of the stirring rod 8, so that the insufficient reaction caused by the deposition of the reaction raw materials is effectively prevented, and the quality of a finished product is improved; in addition, through the combination of temperature control mechanism and temperature sensor, the controller controls change-over valve 22 according to the temperature value that temperature sensor detected and communicates the switch of refrigerator or heater and heater strip 18, and then supplies vapour or coolant liquid to medium runner 15 to can realize automatic control reaction temperature according to the temperature of reaction demand automatic control inner chamber, improve reaction efficiency, shorten reaction time.
From this, reaction raw materials carries out the dispersion through bulk cargo crown plate 5 and mixes, rethread stirring leaf 6, scraper blade 7 and stirring rod 8 stir and mix, and through the temperature of accuse temperature mechanism and temperature sensor automatic control inner chamber, thereby can carry out the intensive mixing to reaction raw materials, make reaction raw materials can the intensive reaction, can also realize automatic control reaction temperature, high reaction efficiency, the reaction time is short, the finished product quality is high, and reaction raw materials on the chamber wall of cavity 4 can scrape through scraper blade 7 and fall, reduce reaction raw materials's waste, reaction raw materials's high-usage.
In the description of the present invention, it is to be understood that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, either fixedly connected, detachably connected, or integrally connected, unless otherwise explicitly stated or limited; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. A polyurethane reaction kettle is characterized by comprising a kettle body, a rotating shaft, a motor and a controller, wherein a cavity is arranged in the kettle body, the motor is arranged at the top of the kettle body, an output shaft of the motor penetrates through the kettle body and extends into the cavity to be connected with the rotating shaft, a bulk material ring plate is arranged on the upper portion of the rotating shaft and is umbrella-shaped, a plurality of stirring blades used for stirring reaction raw materials and a plurality of scraping plates used for scraping the reaction raw materials on the cavity wall of the cavity are arranged in the middle of the rotating shaft, the stirring blades and the scraping plates are alternately arranged along the axial direction of the rotating shaft at intervals, the tail ends of the scraping plates are in contact with the cavity wall of the cavity, a stirring rod is arranged on the lower portion of the rotating shaft, the lower surface of the stirring rod is in contact with the cavity bottom of the cavity, a feed inlet is arranged at the top of the kettle body and is positioned above the bulk, the bottom of the cauldron body is equipped with the discharge gate, discharge gate department is connected with the discharging pipe, the bottom of axis of rotation extends in the discharging pipe, the axis of rotation is hollow structure, the lower part of axis of rotation be equipped with the cavity with the material passing mouth of discharging pipe intercommunication, feed inlet department is equipped with the feed valve, be equipped with the bleeder valve on the discharging pipe, be equipped with on the cauldron body and be used for control the temperature control mechanism of the temperature of cavity, be equipped with temperature sensor on the chamber wall lower part of cavity, the controller respectively with motor, feed valve, bleeder valve, temperature control mechanism and temperature sensor electricity are connected.
2. The polyurethane reactor according to claim 1, wherein the temperature control mechanism comprises a medium flow channel surrounding the periphery of the reactor body, the medium flow channel is provided with a gas inlet and a gas outlet, the gas inlet is connected with a change-over valve, the gas outlet is connected with a collection box, when the reaction raw material is heated, steam is supplied to the medium flow channel, and when the reaction raw material is cooled, cooling liquid is supplied to the medium flow channel.
3. The polyurethane reactor according to claim 2, wherein the temperature control mechanism further comprises a heating wire, the heating wire is arranged outside the bottom surface of the reactor body, and the heating wire is electrically connected with the controller.
4. The polyurethane reactor of claim 1, wherein the lower surface of the stirring rod is provided with a plurality of spaced protrusions, and the protrusions contact with the bottom surface of the cavity.
5. The polyurethane reaction kettle according to claim 1, wherein an air inlet pipe and an air outlet pipe for conveying air are arranged at the upper part of the kettle body, an air inlet valve is arranged on the air inlet pipe, an air outlet valve is arranged on the air outlet pipe, and the controller is electrically connected with the air inlet valve and the air outlet valve respectively.
6. The polyurethane reactor according to claim 5, wherein the inlet end of the outlet pipe is provided with a filter screen.
7. The polyurethane reactor of claim 1, wherein the scraper comprises a connecting plate and an arc-shaped plate, one end of the connecting plate is connected with the inner side wall of the arc-shaped plate, the other end of the connecting plate is connected with the rotating shaft in an inserting or sleeving manner, and the outer side wall of the arc-shaped plate is in contact with the cavity wall of the cavity.
8. The polyurethane reaction kettle according to claim 1, wherein a display screen is arranged on the outer wall of the kettle body, and the display screen is electrically connected with the controller.
9. The polyurethane reactor according to claim 1, wherein a sealing ring is disposed between the rotating shaft and the discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667465.8A CN111686672B (en) | 2020-07-15 | 2020-07-15 | Polyurethane reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667465.8A CN111686672B (en) | 2020-07-15 | 2020-07-15 | Polyurethane reaction kettle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111686672A true CN111686672A (en) | 2020-09-22 |
| CN111686672B CN111686672B (en) | 2024-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010667465.8A Active CN111686672B (en) | 2020-07-15 | 2020-07-15 | Polyurethane reaction kettle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120325231A (en) * | 2025-06-20 | 2025-07-18 | 江苏亚泰化工有限公司 | A kind of production process for butadiene styrene latex |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010264337A (en) * | 2009-05-12 | 2010-11-25 | Hitachi Plant Technologies Ltd | Aeration stirrer |
| KR101092625B1 (en) * | 2011-03-07 | 2011-12-13 | (주)씨.엔.에이 | Apparatus for manufacturing sunscreen and method for preparing formamidine-based compound for sunscreen |
| DE202017105149U1 (en) * | 2017-08-28 | 2017-09-06 | Yixing City Xianglong Chemical Co., Ltd. | Reactor with dynamic and static mixing stirring |
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| CN120325231A (en) * | 2025-06-20 | 2025-07-18 | 江苏亚泰化工有限公司 | A kind of production process for butadiene styrene latex |
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| CN111686672B (en) | 2024-08-23 |
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