CN117339532A - Chloro-pivaloyl chloride production is with chloro reation kettle - Google Patents
Chloro-pivaloyl chloride production is with chloro reation kettle Download PDFInfo
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- CN117339532A CN117339532A CN202311496163.9A CN202311496163A CN117339532A CN 117339532 A CN117339532 A CN 117339532A CN 202311496163 A CN202311496163 A CN 202311496163A CN 117339532 A CN117339532 A CN 117339532A
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- Prior art keywords
- chloro
- liquid storage
- cylinder
- sealing
- pivaloyl chloride
- Prior art date
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- MQZNDDUMJVSIMH-UHFFFAOYSA-N 3-chloro-2,2-dimethylpropanoyl chloride Chemical compound ClCC(C)(C)C(Cl)=O MQZNDDUMJVSIMH-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 125000001309 chloro group Chemical group Cl* 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000007788 liquid Substances 0.000 claims abstract description 64
- 238000003860 storage Methods 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims description 32
- 239000003350 kerosene Substances 0.000 claims description 12
- 238000005660 chlorination reaction Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 229910001369 Brass Inorganic materials 0.000 claims description 4
- 239000010951 brass Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000376 reactant Substances 0.000 abstract description 21
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 20
- 239000000460 chlorine Substances 0.000 abstract description 20
- 229910052801 chlorine Inorganic materials 0.000 abstract description 20
- 238000002309 gasification Methods 0.000 abstract description 8
- 238000003756 stirring Methods 0.000 abstract description 7
- 238000002360 preparation method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 20
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 12
- 235000017491 Bambusa tulda Nutrition 0.000 description 12
- 241001330002 Bambuseae Species 0.000 description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 12
- 239000011425 bamboo Substances 0.000 description 12
- 239000011550 stock solution Substances 0.000 description 5
- JVSFQJZRHXAUGT-UHFFFAOYSA-N 2,2-dimethylpropanoyl chloride Chemical compound CC(C)(C)C(Cl)=O JVSFQJZRHXAUGT-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- 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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/58—Preparation of carboxylic acid halides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention relates to the technical field of chloro reaction kettles, and provides a chloro reaction kettle for producing chloro pivaloyl chloride, which comprises a main body, a discharge hole, a sealing cover, a feed inlet and a motor, wherein an output shaft of the motor is fixedly provided with a stirring rod, the right side of the main body is fixedly provided with a liquid inlet, the bottom of the inner wall of the main body is provided with a placement groove, and the inner wall of the placement groove is fixedly provided with a liquid storage cylinder. The device heats the reactant in the inner cavity of the main body through the connecting block, the heat conducting plate and the heat conducting cylinder which are mutually connected, after the preparation of the primary reactant is finished, the heating temperature of the heater can be directly raised, and liquid chlorine is heated and gasified in the inner cavity of the liquid storage cylinder, so that the gasified chlorine enters the inner cavity of the main body along the exhaust pipe and fully reacts with the primary reactant, and the extra consumption of heat energy sources during the gasification preparation of the chlorine is reduced.
Description
Technical Field
The invention relates to the technical field of chloro reaction kettles, in particular to a chloro reaction kettle for producing chloro pivaloyl chloride.
Background
The preparation of the chloro pivaloyl chloride is dependent on a chloro reaction kettle, after the pivaloyl chloride is prepared by chloridizing phosphorus trichloride, chlorine is introduced into the chloro reaction kettle, and finally the chloro pivaloyl chloride is prepared, in the process, on one hand, the temperature in the reaction kettle needs to be controlled at 60-75 ℃, so that the pivaloyl chloride is prepared firstly, then the chlorine is introduced and the temperature is raised to be more than 100 ℃, and finally the chloro pivaloyl chloride is prepared by stirring; the chlorine needs to be generated by liquid chlorine gasification, in the prior art, the chlorine generator is independent of a chlorination reaction kettle, the extra energy consumption generated by heating is large, the reaction area of the chlorine in the chlorination reaction can be increased, the reaction rate is improved, the heater in the existing chlorination reaction kettle only heats reactants, the efficiency is low after the chlorine is added and is regulated according to the reaction temperature, and the temperature control is not efficient, so the invention aims to design a brand-new chlorination reaction kettle for producing the chloro pivaloyl chloride to overcome the defects.
Disclosure of Invention
The invention provides a chloro reaction kettle for producing chloro pivaloyl chloride, which solves the problems of high energy consumption and insufficient efficient temperature control in the related technology.
The technical scheme of the invention is as follows:
the utility model provides a chloro pivaloyl chloride production is with chloro reation kettle, includes main part, discharge gate, sealed lid, feed inlet and motor, the output shaft fixed mounting of motor has the puddler, the right side fixed mounting of main part has the inlet, the mounting groove has been seted up to the bottom of main part inner wall, the inner wall fixed mounting of mounting groove has a stock solution section of thick bamboo, the top of stock solution section of thick bamboo is pegged graft there is a seal drum, the top and the inner wall of seal drum have sealed telescopic column and the piston of having cup jointed respectively, the bottom elastic connection of piston has the spring, the region sealing that seal drum inner chamber is located the piston top is filled with kerosene, the bottom and the piston fixed connection of telescopic column, the other end fixedly connected with isolation cylinder of telescopic column, the top fixedly connected with blast pipe of stock solution section of thick bamboo, the heater is installed to the bottom of stock solution section of thick bamboo, the draw-in groove has been seted up to the inner ring face of stock solution section of thick bamboo, the inner wall fixed mounting of thick bamboo has the connecting block, the inside and outside both sides of connecting block are welded respectively and have heat-conducting plate and heat-conducting tube.
Preferably, the discharge port is fixedly arranged at the bottom of the main body and is provided with an electromagnetic valve, the sealing cover is arranged at the top of the main body through bolt pressing, the motor is arranged at the top of the sealing cover, and the feed ports are arranged in two groups and symmetrically distributed on the left side and the right side of the top of the sealing cover.
Preferably, the inner cavity of the liquid storage cylinder is communicated with the liquid inlet, and liquid chlorine is filled in the liquid storage cylinder through the liquid inlet.
Preferably, the top of the isolation cylinder is fixedly provided with a guide ring, four groups of equal-angle distribution are arranged at the top of the guide ring, and the top end of the exhaust pipe sequentially penetrates through the isolation cylinder and the guide ring upwards and is in U-shaped distribution.
Preferably, the number of the exhaust pipes is four, the exhaust pipes are distributed at 45 degrees, 135 degrees, 225 degrees and 315 degrees on the top of the liquid storage cylinder at equal angles, and the top of the guide ring is in a smooth inclined design.
Preferably, the number of the clamping grooves is four, the clamping grooves are distributed at 45 degrees, 135 degrees, 225 degrees and 315 degrees on the outer surface of the liquid storage cylinder at equal angles, and the heat conduction cylinder, the connecting block and the heat conduction plate are all made of brass.
Preferably, the cross section of the isolation cylinder is L-shaped, and the bottom of the outer ring surface of the isolation cylinder is in sealing abutting connection with the inner ring surface of the heat conduction cylinder.
Preferably, a heating pipe of the heater penetrates through the liquid storage cylinder and the heat conducting plate and is in sealing sleeve joint with the heat conducting plate.
Preferably, the top end of the sealing cylinder protrudes out of the top of the liquid storage cylinder, the sealing cylinders are arranged into four groups and are equiangularly distributed at the bottom of the inner cavity of the liquid storage cylinder
The working principle and the beneficial effects of the invention are as follows:
1. the device is optimized again, the gasification reaction device of liquid chlorine is integrated into the main body, so that the utilization rate of energy sources can be improved, the liquid chlorine is pre-filled and stored into the liquid storage barrel made of ceramic fiber heat insulation materials through the liquid storage barrel and the liquid inlet, the liquid chlorine is preheated by the heater, meanwhile, reactants in the inner cavity of the main body are heated through the connecting blocks, the heat conducting plates and the heat conducting barrels which are mutually connected, after the preparation of the primary reactants is finished, the heating temperature of the heater can be directly improved, the liquid chlorine is heated and gasified in the inner cavity of the liquid storage barrel, and chlorine generated by gasification enters the inner cavity of the main body along the exhaust pipe and fully reacts with the primary reactants, so that the extra consumption of heat energy sources when the chlorine is gasified is reduced.
2. Then, through being provided with sealing cylinder built-in piston, spring and kerosene that are arranged in the liquid storage cylinder inner chamber, through being arranged in the liquid chlorine that is arranged in the liquid storage cylinder inner chamber and gradually heating in with heat transfer to kerosene, make its expansion thrust that is heated and produce overcome from spring resilience force, and drive piston, telescopic column and isolation cylinder and move down, make isolation cylinder and heat conduction cylinder inner ring face's area of contact increase in the downward movement process, and reduce heat conduction cylinder and the area of contact of reactant in the main part inner chamber, reduce the equivalent heat exchange area of heat conduction cylinder, reduce the temperature of reactant, and maintain it in the best interval, thereby can effectively reach automatic temperature control's purpose.
3. Finally, through being provided with blast pipe and liquid storage section of thick bamboo intercommunication and fixed, make the chlorine that comes from in inlet, the liquid storage section of thick bamboo inner chamber through its guide entering main part, the blast pipe upwards activity runs through isolation section of thick bamboo and guide ring, avoid influencing isolation section of thick bamboo's control by temperature change down action, utilize the upset design of blast pipe top "U" shape 180, guide chlorine downwards, make it fully contact with the reactant, and improve reaction rate, can also avoid the material to fall into wherein through the vertical design of blast pipe top export, the reliability of lifting means at the during operation.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the front appearance of the structure of the present invention;
FIG. 2 is a schematic elevation cut-away view of the structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present invention;
FIG. 4 is a schematic oblique cross-section of the structure of the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4B in accordance with the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 4C in accordance with the present invention;
FIG. 7 is a schematic top cut-away view of the structure of the present invention;
FIG. 8 is a schematic diagram of the separation of the structure of the present invention;
fig. 9 is an internal cross-sectional view of the seal cartridge and cartridge of the present invention.
In the figure: 1. a main body; 2. a discharge port; 3. a liquid inlet; 4. sealing cover; 5. a feed inlet; 6. a motor; 7. a stirring rod; 8. a placement groove; 9. a sealing cylinder; 10. a piston; 11. a spring; 12. a telescopic column; 13. an isolation cylinder; 14. a material guiding ring; 15. kerosene; 16. an exhaust pipe; 17. a heater; 18. a heat conduction tube; 19. a liquid storage cylinder; 20. a clamping groove; 21. a connecting block; 22. a heat conducting plate.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, based on embodiments of the invention, which are apparent to one of ordinary skill in the art without undue burden are contemplated to be within the scope of the invention
As shown in fig. 1 to 9, the embodiment of the invention provides a chloro reaction kettle for producing chloro pivaloyl chloride, which comprises a main body 1, a discharge hole 2, a sealing cover 4, a feed inlet 5 and a motor 6, wherein an output shaft of the motor 6 is fixedly provided with a stirring rod 7, a liquid inlet 3 is fixedly arranged on the right side of the main body 1, a mounting groove 8 is formed in the bottom of the inner wall of the main body 1, a liquid storage barrel 19 is fixedly arranged on the inner wall of the mounting groove 8, a sealing barrel 9 is inserted at the top of the liquid storage barrel 19, a telescopic column 12 and a piston 10 are respectively and hermetically sleeved at the top and the inner wall of the sealing barrel 9, a spring 11 is elastically connected at the bottom of the piston 10, a kerosene 15 is hermetically filled in an area, which is positioned above the piston 10, at the bottom end of the telescopic column 12 is fixedly connected with the piston 10, the other end of the telescopic column 12 is fixedly connected with a separation barrel 13, the top of the liquid storage barrel 19 is fixedly connected with an exhaust pipe 16, a heater 17 is arranged at the bottom of the liquid storage barrel 19, a clamping groove 20 is formed in the inner annular surface of the liquid storage barrel 19, a connecting block 21 is fixedly arranged on the inner wall of the clamping groove 20, a heat conducting plate 22 and a heat conducting plate 18 are respectively welded at the inner side and outer side of the connecting block 21;
the device is optimized again, the gasification reaction device of liquid chlorine is integrated into the main body 1, so that the utilization rate of energy sources can be improved, the liquid chlorine is pre-filled and stored into the liquid storage barrel 19 made of ceramic fiber heat insulation materials through the liquid storage barrel 19 and the liquid inlet 3, the liquid chlorine is preheated by the heater 17, meanwhile, reactants in the inner cavity of the main body 1 are heated through the connecting block 21, the heat conducting plate 22 and the heat conducting barrel 18 which are mutually connected, after the preparation of primary reactants is finished, the heating temperature of the heater 17 can be directly increased, the liquid chlorine is heated and gasified in the inner cavity of the liquid storage barrel 19, and chlorine generated by gasification enters the inner cavity of the main body 1 along the exhaust pipe 16 and fully reacts with the primary reactants, so that the extra consumption of heat energy sources during the preparation of the chlorine gasification is reduced.
Then, through being provided with the built-in piston 10 of sealing cylinder 9, spring 11 and kerosene 15 that are located the liquid storage cylinder 19 inner chamber, through the liquid chlorine that is located the inner chamber of liquid storage cylinder 19 and gradually heat transfer to kerosene 15, make its expansion thrust that is heated and produce overcome from spring 11 resilience force, and drive piston 10, flexible post 12 and isolation cylinder 13 and move downwards, make isolation cylinder 13 and heat conduction cylinder 18 inner ring surface's area of contact increase in the course of moving downwards, and reduce heat conduction cylinder 18 and the area of contact of reactant in the inner chamber of main part 1, reduce heat exchange equivalent area of heat conduction cylinder 18, reduce the temperature of reactant, and maintain it in the optimum interval, thereby can effectively reach automatic temperature control's purpose.
Finally, through being provided with blast pipe 16 and reservoir 19 intercommunication and fixed, make the chlorine that comes from in inlet 3, the reservoir 19 inner chamber through its guide entering main part 1's inner chamber of production of heating gasification, blast pipe 16 upwards activity runs through isolation section of thick bamboo 13 and guide ring 14, avoid influencing isolation section of thick bamboo 13's control by temperature change action down, utilize the upset design of blast pipe 16 top "U" shape 180, guide chlorine downwards, make it fully contact with the reactant, and improve reaction rate, can also avoid the material to fall into wherein through the vertical design down in blast pipe 16 top export, the reliability of lifting means at the during operation.
In the embodiment, a discharge port 2 is fixedly arranged at the bottom of a main body 1 and is provided with an electromagnetic valve, a sealing cover 4 is arranged at the top of the main body 1 through bolt pressing, a motor 6 is arranged at the top of the sealing cover 4, and two groups of feed ports 5 are arranged and symmetrically distributed at the left side and the right side of the top of the sealing cover 4;
the sealing cover 4 and the main body 1 are mounted in a pressing mode through bolts, good sealing performance is achieved, meanwhile, disassembly and assembly are convenient, and the feed inlet 5 is used for inputting raw materials.
In the embodiment, the inner cavity of the liquid storage barrel 19 is communicated with the liquid inlet 3, and liquid chlorine is filled in the liquid storage barrel through the liquid inlet 3;
the liquid storage barrel 19 is arranged in the arranging groove 8, the liquid inlet 3 arranged on the right side of the main body 1 is communicated with the inner cavity of the liquid storage barrel 19, so that in the primary reaction in the inner cavity of the main body 1, the reaction is promoted by heating, meanwhile, liquid chlorine is preheated, and the production speed of the chlorine is improved.
In the embodiment, a material guiding ring 14 is fixedly arranged at the top of the isolation cylinder 13, four groups of equiangular 23 are arranged at the top of the material guiding ring 14, and the top end of the exhaust pipe 16 sequentially penetrates through the isolation cylinder 13 and the material guiding ring 14 upwards and is in U-shaped distribution;
the guide ring 14 is located at the top of the isolation cylinder 13 and is mainly responsible for keeping tightness between the isolation cylinder 13 and the inner wall of the main body 1 during movement of the isolation cylinder 13, the exhaust pipe 16 penetrates through the isolation cylinder 13 and the guide ring 14 to keep chlorine sprayed downwards from a higher position, and the guide ring 14 and the isolation cylinder 13 are not affected by the exhaust pipe 16 during movement.
In the embodiment, the number of the exhaust pipes 16 is four, and the exhaust pipes are distributed at 45 degrees, 135 degrees, 225 degrees and 315 degrees on the top of the liquid storage barrel 19 at equal angles, and the top of the material guide ring 14 is in a smooth inclined design;
the positions of the exhaust pipe 16 and the sealing cylinder 9 are just in 90-degree staggered arrangement, the design can avoid the collision between the temperature control movement function related to the sealing cylinder 9 and the chlorine gas discharge function of the exhaust pipe 16 during operation, the smooth inclined design at the top of the material guiding ring 14 can reduce the friction force of the material falling on the material guiding ring, the material is driven to fall under the action of the gravity component force in the inclined direction, and the waste phenomenon of the material when the material is accumulated on the material guiding ring 14 is prevented.
In the present embodiment, the number of the clamping grooves 20 is four, and the clamping grooves are distributed at 45 °, 135 °, 225 ° and 315 ° of the outer surface of the liquid storage barrel 19 at equal angles, and the heat conduction barrel 18, the connection block 21 and the heat conduction plate 22 are all made of brass;
as shown in fig. 6, the clamping groove 20 is formed around the outer surface of the liquid storage barrel 19, and is provided with a connecting block 21 which is connected with the heat conducting plate 22 and the heat conducting barrel 18 and is responsible for heat conducting, and the heat conducting barrel 18, the connecting block 21 and the heat conducting plate 22 are all made of brass, so that the material not only has excellent heat conducting performance, but also belongs to a type of metal activity sequence table which is relatively rear, and has strong self stability and is not easy to corrode.
In the embodiment, the cross section of the isolation cylinder 13 is L-shaped, and the bottom of the outer ring surface of the isolation cylinder 13 is in sealing abutting connection with the inner ring surface of the heat conduction cylinder 18;
the isolating cylinder 13 is connected with the telescopic column 12, when the kerosene 15 is heated and expands, and the piston 10 is pushed to downwards drive the telescopic column 12 to move, the isolating cylinder 13 is synchronously driven to downwards move, the inner annular surface of the heat conducting cylinder 18 is covered, the equivalent area of the heat conducting cylinder 18 contacted with reactants is reduced, and the temperature of the reactants is indirectly reduced, so that the aim of automatically controlling the temperature is fulfilled.
In this embodiment, the heating pipe of the heater 17 penetrates through the liquid storage barrel 19 and the heat conducting plate 22, and is in sealing sleeve joint with the heat conducting plate 22;
the heating pipe of the heater 17 is directly connected with the heat conducting plate 22, and simultaneously, the reactant is directly heated through the heat conducting plate 22, the heat conducting tube 18 and the clamping groove 20, meanwhile, the liquid chlorine entering the inner cavity of the liquid storage tube 19 is preheated and formally heated, and finally, the temperature of the liquid chlorine reaches the boiling point, so that the chlorine gas adding reaction is generated.
In the embodiment, the top end of the sealing cylinder 9 protrudes out of the top of the liquid storage cylinder 19, and the sealing cylinders 9 are arranged in four groups and are distributed at the bottom of the inner cavity of the liquid storage cylinder 19 at equal angles;
the sealing cylinder 9 is used for providing support for the piston 10, the spring 11 and the telescopic column 12, and the equiangular arrangement of the sealing cylinder is beneficial to the stress balance of the isolation cylinder 13 and the guide ring 14 in the moving process.
Working principle:
firstly, a feed inlet 5 is opened, raw materials required for production are placed in an inner cavity of a main body 1, the feed inlet 5 is closed, the materials are in a solid-liquid coexisting state, when the material liquid surface meets the requirement, liquid chlorine is introduced into the inner cavity of a liquid storage barrel 19 through the feed inlet 3, a heater 17 is started to heat the liquid chlorine and a heat conducting plate 22, the temperature is controlled at 60-75 ℃, the environment temperature of the reaction materials in the main body 1 slowly reaches 65-75 ℃, a motor 6 is started and a stirring rod 7 is driven to rotate, the materials are stirred, at this time, collision thrust generated by heating kerosene 15 at the upper part of the inner cavity of a sealing barrel 9 is counteracted by a spring 11, a piston 10, a telescopic column 12 and an isolation barrel 13 are maintained in situ, and the materials are prepared through stirring of the stirring rod 7, heating of the heater 17, a connecting block 21, the heat conducting plate 22 and the heat conducting barrel 18;
then, the heater 17 is controlled and the temperature is raised to 100-120 DEG, liquid chlorine in the inner cavity of the liquid storage barrel 19 is heated to gradually reach the boiling point, at this time, the liquid chlorine is gasified into chlorine and moves upwards to the upper part of the inner cavity of the main body 1 along the exhaust pipe 16, then the chlorine is fully reacted with pivaloyl chloride and continuously generates the chlorinated pivaloyl chloride, meanwhile, the whole heating capacity of the sealing barrel 9 is raised to increase the thermal expansion thrust of kerosene 15 in the sealing barrel and overcome the resilience force from the spring 11, the piston 10 is pushed downwards to drive the telescopic column 12, the isolation barrel 13 and the guide ring 14 to move downwards, and the isolation barrel 13 is in sealing contact with the inner annular surface of the heat conduction barrel 18 and continuously slides and rubs in the downward movement process, so that the heating area is reduced by reducing the contact area of the heat conduction barrel 18 and reactants, and the temperature of the reactants is controlled;
finally, discharging the chloro pivaloyl chloride by opening the discharging hole 2.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. The utility model provides a chloro pivaloyl chloride production is with chloro reation kettle, includes main part (1), discharge gate (2), sealed lid (4), feed inlet (5) and motor (6), the output shaft fixed mounting of motor (6) has puddler (7), its characterized in that: the utility model discloses a heat-conducting device, including main part (1), inner wall, sealing barrel (19), sealing barrel (9), telescopic column (12) and piston (10) have been cup jointed in the top of sealing barrel (9) respectively to right side fixed mounting of main part (1) has inlet (3), mounting groove (8) have been seted up to the bottom of main part (1) inner wall, inner wall fixed mounting of mounting groove (8) has been seted up to the bottom of inner wall, sealing barrel (9) inner chamber is located the area sealing of piston (10) top has kerosene (15), the bottom and the piston (10) fixed connection of telescopic column (12), the other end fixedly connected with isolation tube (13) of telescopic column (12), the top fixedly connected with blast pipe (16) of liquid storage barrel (19), heater (17) are installed to the bottom of liquid storage barrel (19), draw-in groove (20) have been seted up on the inner ring face of liquid storage barrel (19), the inner wall fixed mounting of draw-in groove (20) has kerosene (21), heat-conducting plate (22) both sides and connecting block (22) are welded respectively.
2. The chloro reaction kettle for producing chloro pivaloyl chloride according to claim 1, which is characterized in that: the discharging port (2) is fixedly arranged at the bottom of the main body (1) and is provided with an electromagnetic valve, the sealing cover (4) is arranged at the top of the main body (1) through bolt pressing, the motor (6) is arranged at the top of the sealing cover (4), and the feeding ports (5) are arranged in two groups and symmetrically distributed on the left side and the right side of the top of the sealing cover (4).
3. The chloro reaction kettle for producing chloro pivaloyl chloride according to claim 1, which is characterized in that: the inner cavity of the liquid storage cylinder (19) is communicated with the liquid inlet (3), and liquid chlorine is filled in the liquid storage cylinder through the liquid inlet (3).
4. The chloro reaction kettle for producing chloro pivaloyl chloride according to claim 1, which is characterized in that: the top of the isolation cylinder (13) is fixedly provided with a guide ring (14), four groups of equiangular distribution (23) are arranged at the top of the guide ring (14), and the top end of the exhaust pipe (16) sequentially penetrates through the isolation cylinder (13) and the guide ring (14) upwards and is in U-shaped distribution.
5. The chlorination reaction kettle for producing chloro pivaloyl chloride according to claim 4, wherein: the number of the exhaust pipes (16) is four, the exhaust pipes are distributed at 45 degrees, 135 degrees, 225 degrees and 315 degrees on the top of the liquid storage barrel (19) at equal angles, and the top of the guide ring (14) is of a smooth inclined design.
6. The chloro reaction kettle for producing chloro pivaloyl chloride according to claim 1, which is characterized in that: the number of the clamping grooves (20) is four, the clamping grooves are distributed at 45 degrees, 135 degrees, 225 degrees and 315 degrees on the outer surface of the liquid storage barrel (19) at equal angles, and the heat conduction barrel (18), the connecting block (21) and the heat conduction plate (22) are all made of brass.
7. The chloro reaction kettle for producing chloro pivaloyl chloride according to claim 1, which is characterized in that: the cross section of the isolation cylinder (13) is L-shaped, and the bottom of the outer ring surface of the isolation cylinder (13) is in sealing abutting connection with the inner ring surface of the heat conduction cylinder (18).
8. The chloro reaction kettle for producing chloro pivaloyl chloride according to claim 1, which is characterized in that: the heating pipe of the heater (17) penetrates through the liquid storage cylinder (19) and the heat conducting plate (22) and is in sealing sleeve joint with the heat conducting plate (22).
9. The chloro reaction kettle for producing chloro pivaloyl chloride according to claim 1, which is characterized in that: the top end of the sealing cylinder (9) protrudes out of the top of the liquid storage cylinder (19), the sealing cylinders (9) are arranged into four groups, and the sealing cylinders are equiangularly distributed at the bottom of the inner cavity of the liquid storage cylinder (19).
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| CN202311496163.9A CN117339532A (en) | 2023-11-10 | 2023-11-10 | Chloro-pivaloyl chloride production is with chloro reation kettle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311496163.9A CN117339532A (en) | 2023-11-10 | 2023-11-10 | Chloro-pivaloyl chloride production is with chloro reation kettle |
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| CN202311496163.9A Pending CN117339532A (en) | 2023-11-10 | 2023-11-10 | Chloro-pivaloyl chloride production is with chloro reation kettle |
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| JP2000312820A (en) * | 1999-04-28 | 2000-11-14 | Mitsubishi Heavy Ind Ltd | Fluid heating device and organic halide decomposing device |
| CN104437309A (en) * | 2014-11-20 | 2015-03-25 | 宁波远欧精细化工有限公司 | Reaction kettle for separately heating |
| CN210146025U (en) * | 2019-06-14 | 2020-03-17 | 潍坊新绿化工有限公司 | Pyridine chloride catalytic reaction device |
| CN213133119U (en) * | 2020-08-24 | 2021-05-07 | 广饶县科瑞生物科技有限公司 | Accurate temperature regulating device of nitrile ethylation reactor |
| CN214183050U (en) * | 2020-11-03 | 2021-09-14 | 湖北奥丰材料科技有限公司 | A polymeric kettle heating device for nylon production |
| CN114642984A (en) * | 2022-03-04 | 2022-06-21 | 江西万工铝业有限公司 | Process of environment-friendly water-based paint |
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2023
- 2023-11-10 CN CN202311496163.9A patent/CN117339532A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000312820A (en) * | 1999-04-28 | 2000-11-14 | Mitsubishi Heavy Ind Ltd | Fluid heating device and organic halide decomposing device |
| CN104437309A (en) * | 2014-11-20 | 2015-03-25 | 宁波远欧精细化工有限公司 | Reaction kettle for separately heating |
| CN210146025U (en) * | 2019-06-14 | 2020-03-17 | 潍坊新绿化工有限公司 | Pyridine chloride catalytic reaction device |
| CN213133119U (en) * | 2020-08-24 | 2021-05-07 | 广饶县科瑞生物科技有限公司 | Accurate temperature regulating device of nitrile ethylation reactor |
| CN214183050U (en) * | 2020-11-03 | 2021-09-14 | 湖北奥丰材料科技有限公司 | A polymeric kettle heating device for nylon production |
| CN114642984A (en) * | 2022-03-04 | 2022-06-21 | 江西万工铝业有限公司 | Process of environment-friendly water-based paint |
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