CN118079846B - Synthetic PPS prepolymerization heat release energy recovery unit - Google Patents
Synthetic PPS prepolymerization heat release energy recovery unit Download PDFInfo
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- CN118079846B CN118079846B CN202410486917.0A CN202410486917A CN118079846B CN 118079846 B CN118079846 B CN 118079846B CN 202410486917 A CN202410486917 A CN 202410486917A CN 118079846 B CN118079846 B CN 118079846B
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- 238000011084 recovery Methods 0.000 title claims abstract description 25
- 238000009413 insulation Methods 0.000 claims abstract description 77
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000005406 washing Methods 0.000 claims abstract description 17
- 238000012546 transfer Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 76
- 238000004321 preservation Methods 0.000 claims description 29
- 238000001802 infusion Methods 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 239000010410 layer Substances 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000012790 adhesive layer Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 abstract description 45
- 239000004734 Polyphenylene sulfide Substances 0.000 abstract description 38
- 229920000069 polyphenylene sulfide Polymers 0.000 abstract description 38
- 230000019086 sulfide ion homeostasis Effects 0.000 abstract description 4
- 238000012940 design transfer Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
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- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/0204—Polyarylenethioethers
- C08G75/025—Preparatory processes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/04—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being spirally coiled
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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
- 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
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00081—Tubes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Abstract
The invention provides a synthetic PPS prepolymerization heat-release energy recovery device, and relates to the technical field of polyphenylene sulfide production. This kind of synthetic PPS prepolymerization heat release energy recovery unit, including a plurality of transfer line, reation kettle cauldron body, circulating tank and thermal-insulated insulation can, fixed intercommunication through transfer line between reation kettle cauldron body, circulating tank and the thermal-insulated insulation can in proper order, the inside fixed mounting of reation kettle cauldron body has cooling coil, cooling coil's both ends all run through and extend to the outside of reation kettle cauldron body and respectively with corresponding transfer line fixed intercommunication. Through design transfer line, thermal-insulated insulation can, reposition of redundant personnel connecting pipe and back flow, after cooling coil brings the internal heat of reation kettle cauldron to transfer line in, the cooling water that contains certain heat can not directly get into the circulating tank, but enters into thermal-insulated insulation can earlier to transfer to other devices departments such as washing cauldron, dropwise add cauldron, rectifying column that need heat supply through thermal-insulated insulation can, reuse the heat of cooling water.
Description
Technical Field
The invention relates to the technical field of polyphenylene sulfide production, in particular to a synthesized PPS prepolymerization heat-release energy recovery device.
Background
Polyphenylene Sulfide (PPS), a novel high-performance thermoplastic resin, has the characteristics of high mechanical strength, high temperature resistance, corrosion resistance, radiation resistance, chemical resistance, flame resistance, good thermal stability, balanced physical and mechanical properties, excellent dimensional stability, excellent electrical properties and the like, is widely used as a structural polymer material, and is widely used as a functional composite material in the fields of lithium batteries, hydrogen energy industry, aerospace and the like by filling and glass fiber reinforcement modification. Meanwhile, the composite material can be prepared into various functional films, coatings and fibers, and can be successfully applied to the fields of electronics, hydrogen production diaphragms and the like.
When the existing polyphenylene sulfide is subjected to the prepolymerization reaction in the production process, the reaction kettle is internally provided with an exothermic reaction, a large amount of heat is taken away by cooling the heat through the water inlet of the cooling coil pipe in the reaction kettle, the heat is directly condensed by the condensing tower and then returned to the circulating tank, the exothermic energy during the prepolymerization is wasted, the energy waste is serious, and the heat of cooling water is recovered, so that the production cost of PPS is reduced. Along with the expansion of the current PPS production scale, how to improve the heat utilization rate of cooling water, the recovery rate of solvent NMP and the separation purity of byproducts in the follow-up process has become an important subject for reducing the production cost, improving the production competitiveness of PPS resin, enhancing the production economic benefit of enterprises and reducing environmental pollution.
By reasonably utilizing waste heat, the energy utilization efficiency can be improved, and the production cost can be reduced, thereby realizing resource conservation and improvement of the production efficiency. The device for converting the redundant heat energy or heating other devices to recover the redundant heat energy during the prepolymerization, such as a dripping kettle, a water washing kettle and a rectifying tower in the reaction process of polyphenylene sulfide, wherein the device can preheat the water used for washing the resin, can be used for providing and storing the heat energy of domestic water and the like.
Disclosure of Invention
(One) solving the technical problems
The pre-polymerization reaction of the polyphenylene sulfide is exothermic reaction, a large amount of heat is taken away by cooling water entering through a cooling coil in the reaction kettle, the heat is directly condensed by a condensing tower and then returned to a circulating tank, and the exothermic energy during the pre-polymerization is wasted. Aiming at the defect, in the industrialized PPS synthesis process, in order to reasonably utilize the polyphenylene sulfide synthesis to generate a large amount of heat, the invention provides a PPS synthesis prepolymerization heat-release energy recovery device.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the embodiment of the invention provides a synthesized PPS prepolymerization heat-release energy recovery device, which comprises a plurality of infusion pipelines, a reaction kettle body, a circulating tank, a condensing tower and a heat-insulation heat-preservation box, wherein the reaction kettle body, the circulating tank, the condensing tower and the heat-insulation heat-preservation box are fixedly communicated through the infusion pipelines in sequence, a cooling coil is fixedly arranged in the reaction kettle body, and two ends of the cooling coil extend to the outside of the reaction kettle body in a penetrating way and are respectively fixedly communicated with the corresponding infusion pipelines;
Through the technical scheme, a large amount of heat can be discharged outwards through cooling coil in the reaction kettle body through water inlet cooling, so that subsequent heat recycling is performed, the heat insulation and heat preservation box is equivalent to a transfer station, is a node for cooling water diversion, and the heat of the cooling water in the heat insulation and heat preservation box enters the condensation tower after being utilized so as to be in the circulating pool, thereby reducing direct heat loss and further saving energy.
Three diversion connecting pipes are fixedly communicated with one side of the outer surface of the heat insulation and preservation box, a diversion mechanism is fixedly arranged in the middle of each diversion connecting pipe, one ends of the three diversion connecting pipes are fixedly communicated with a dripping kettle, a washing kettle and a rectifying tower respectively, one ends of the dripping kettle, the washing kettle and the rectifying tower, which are far away from the diversion connecting pipes, are fixedly communicated with a return pipe, and one ends of the three return pipes are fixedly communicated with the heat insulation and preservation box;
Through the technical scheme, cooling water can enter into the dropwise adding cauldron, washing cauldron and rectifying column respectively through three reposition of redundant personnel connecting pipe to with the unnecessary heat energy conversion that the internal reaction of reation kettle cauldron produced for other devices heating use, reach thermal recycle effect.
The split-flow mechanism comprises a first split-flow pipe fixedly communicated with one end of a split-flow connecting pipe, a second split-flow pipe is fixedly communicated with the middle part of the first split-flow pipe in a penetrating mode, a first flow-direction pipeline and a second flow-direction pipeline are connected to the inner wall of the second split-flow pipe in a sliding mode, one adjacent side of the first flow-direction pipeline and one adjacent side of the second flow-direction pipeline are fixedly connected, a pull rod is fixedly connected to one side of the outer surface of the first flow-direction pipeline, a spring is fixedly connected to the outer surface of the pull rod in a sleeved mode, one end of the spring is fixedly connected with the inner wall of the second split-flow pipe, and one end of the pull rod extends to the outer portion of the second split-flow pipe in a penetrating mode and is fixedly connected with a strip-shaped grab handle;
through the technical scheme, the strip-shaped grab handle is pulled, so that the first flow-direction pipeline and the second flow-direction pipeline can be driven to slide towards the direction of the strip-shaped grab handle, and the cooling water flow direction in the first shunt pipe is changed from flowing through the first flow-direction pipeline to flowing through the second flow-direction pipeline, so that the flow direction of the cooling water is changed.
The top and the bottom of first flow pipeline all have seted up first water conservancy diversion hole, the second water conservancy diversion hole has all been seted up to the top and the bottom of second flow pipeline, just the one end of second flow pipeline is linked together with the inside of second shunt pipe.
Through the technical scheme, when the cooling water flows through the first flow-direction pipeline, the cooling water can directly flow into the other end of the first diversion pipe through the two first diversion holes of the first flow-direction pipeline, and when the cooling water flows through the second flow-direction pipeline, the cooling water can respectively flow to one end of the first diversion pipe and one end of the second diversion pipe through the two second diversion holes of the second flow-direction pipeline and the communicating position of the second flow-direction pipeline and the second diversion pipe, so that branches are generated towards the two flow directions, and the heat of the cooling water is reused by the second diversion pipe.
Preferably, the outer surface of the pull rod positioned outside the second shunt tube is sleeved with a locking knob in threaded connection, and the inner side of the locking knob is abutted against the outer surface of the second shunt tube.
Through above-mentioned technical scheme, through tightening the locking knob along the surface of pull rod to when supporting the surface of second shunt, can lock the position of pull rod, prevent that it from going deep into the inside of second shunt again under the resilience of spring, the liquid guarantees that cooling water shunts through the second flow pipeline.
Preferably, the top fixed mounting of the reation kettle cauldron body has the reation kettle lid, the upper surface central point of reation kettle lid puts fixed mounting has servo motor, servo motor's output shaft runs through and extends to the below of reation kettle lid and fixedly connected with material (mixing) shaft, the surface bottom symmetry fixedly connected with of material (mixing) shaft a plurality of branches, a plurality of the branch is kept away from the common fixedly connected with stirring leaf of one end of material (mixing) shaft, just the stirring leaf is in cooling coil's inboard.
Through the technical scheme, the operation of the servo motor can drive the material stirring shaft to rotate, so that stirring blades are driven to rotate through a plurality of struts, polyphenylene sulfide reactants in the reaction kettle body are stirred, and the polyphenylene sulfide prepolymerization reaction is promoted.
Preferably, the first filter is fixedly communicated between the heat insulation box and the reaction kettle body through a transfusion pipeline, and the second filter is fixedly communicated between the heat insulation box and the condensation tower through a transfusion pipeline.
Through the technical scheme, the first filter and the second filter can be used for filtering cooling water to be recycled and cooling water to be introduced into the reaction kettle body, which are discharged from the reaction kettle body, so as to reduce impurities in water.
Preferably, the surface of thermal-insulated insulation can has seted up a plurality of recess, a plurality of the inner wall of recess is all fixedly connected with heated board.
Through the technical scheme, the heat insulation board can enable the heat insulation performance of the heat insulation box to be stronger, so that heat loss of cooling water flowing to the heat insulation box is reduced, and the heat insulation box is more environment-friendly.
Preferably, the heat insulation board comprises a heat insulation layer and an adhesive layer, wherein the adhesive layer is coated on the inner side of the heat insulation layer, and the inner side of the adhesive layer is adhered to the inner wall of the groove.
Through the technical scheme, the heat insulation layer is adhered to the surface of the groove through the adhesive layer, so that the heat insulation plate is fixedly connected with the groove.
Preferably, a first control valve body is fixedly arranged at one end of a single infusion pipeline between the condensing tower and the heat insulation box, and a second control valve body is fixedly arranged at one end of a single infusion pipeline between the reaction kettle body and the heat insulation box.
Through the technical scheme, the first control valve body and the second control valve body respectively control whether cooling water is discharged and flows into the heat insulation box or not and the flowing speed of the cooling water in the infusion pipeline.
Preferably, the mounting plates are fixedly connected to two sides of the outer surface of the reaction kettle body, a control panel is fixedly arranged on the front surface of the reaction kettle body, and the control panel is electrically connected with the servo motor.
Through above-mentioned technical scheme, can install the whole reation kettle cauldron body in suitable position through the mounting panel, and through control panel's control, can control servo motor's operation.
Preferably, the upper surface of the reaction kettle cover body is fixedly communicated with a pressure relief pipe and a feed pipe respectively.
Through the technical scheme, the pressure relief pipe plays a role in stabilizing the pressure in the kettle body of the reaction kettle, and the feeding pipe is used for introducing reagents required by the polyphenylene sulfide prepolymerization reaction.
Preferably, the bottom of the reaction kettle body is fixedly communicated with a liquid outlet pipe, and an electromagnetic valve is fixedly arranged at one end of the liquid outlet pipe.
Through the technical scheme, after the reaction is finished, the polyphenylene sulfide product solution is discharged outwards from the liquid outlet pipe, and whether the polyphenylene sulfide product solution is discharged outwards or not and the discharging speed can be controlled by controlling the opening and closing of the electromagnetic valve.
The beneficial effects are that:
The invention provides a synthetic PPS prepolymerization heat-release energy recovery device. The beneficial effects are as follows:
1. This synthetic PPS prepolymerization heat release energy recovery unit, through design infusion pipeline, thermal-insulated insulation can, reposition of redundant personnel connecting pipe and back flow, cooling coil brings the internal heat of reation kettle cauldron back into infusion pipeline, the cooling water that contains certain heat can not directly get into the circulating tank, but enter into thermal-insulated insulation can earlier, and pass through the thermal-insulated insulation can transfer to other washing cauldron that need heat supply, drip-feed cauldron, devices such as rectifying column department, reuse the heat of cooling water, then the rethread infusion pipeline gets into the condensing column so that get back into in the circulating tank, further to the development of energy recovery mode has been realized, the direct waste of the energy has been reduced, the energy utilization has been improved, the efficiency of whole polyphenylene sulfide production line has been improved, energy-conserving work has been strengthened, more environmental protection.
2. This synthetic PPS prepolymerization heat release energy recovery unit, through design reposition of redundant personnel mechanism, first shunt tubes and second shunt tubes, cooling water is after entering into the reposition of redundant personnel connecting pipe, can pass through reposition of redundant personnel mechanism earlier, when needs carry out the heat supply to more devices, only need hold the strip grab handle and outwards pull the pull rod, can make first flow pipeline and second flow pipeline slide along the inner wall of second shunt tubes, will be in the first flow pipeline of first shunt tubes positive central point position change into the second flow pipeline, thereby can advance the reposition of redundant personnel with the cooling water that enters into first shunt tubes in the reposition of redundant personnel connecting pipe, make it outwards flow from the other end of first shunt tubes and the one end of second shunt tubes respectively, can carry out the heat supply to the device outside dripping cauldron, washing cauldron and rectifying column, still need not simultaneously add the drainage pipeline at thermal-insulated insulation can realize further reposition of redundant personnel effect, more save manufacturing cost, can more adapt to the production use demand of enterprise.
Drawings
FIG. 1 is a perspective view of a reactor body of the present invention;
FIG. 2 is a cross-sectional view of the reactor body of the present invention;
FIG. 3 is a schematic view of the connection structure of the stirring shaft and the stirring blade of the invention;
FIG. 4 is a schematic diagram of a connection structure of a reaction kettle body and a heat insulation box of the invention;
FIG. 5 is a cross-sectional view of the shunt mechanism of the present invention;
FIG. 6 is a schematic view of the connection structure of the pull rod and the bar handle of the present invention;
FIG. 7 is a schematic view of the structure of the insulation board of the present invention;
Fig. 8 is a schematic view of the connection structure of the integral mounting frame and mounting block of the present invention.
Wherein, 1, the reaction kettle body; 2. a reaction kettle cover body; 3. a servo motor; 4. a pressure relief tube; 5. a feed pipe; 6. a material stirring shaft; 7. a support rod; 8. stirring the leaves; 9. a liquid outlet pipe; 10. an electromagnetic valve; 11. a mounting plate; 12. a control panel; 13. a cooling coil; 14. an infusion tube; 15. a heat insulation box; 16. a groove; 17. a thermal insulation board; 1701. a heat preservation layer; 1702. an adhesive layer; 18. a shunt connecting pipe; 19. a first shunt; 20. a second shunt tube; 21. a first flow conduit; 22. a second flow conduit; 23. a first deflector aperture; 24. a second deflector aperture; 25. a spring; 26. a pull rod; 27. a strip-shaped grab handle; 28. a locking knob; 29. a circulation tank; 30. a first filter; 31. a first control valve body; 32. a second control valve body; 33. a second filter; 34. a shunt mechanism; 35. dripping the mixture into a kettle; 36. washing the kettle; 37. a rectifying tower; 38. a return pipe; 39. and a condensing tower.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
1-8, The embodiment of the invention provides a synthesized PPS prepolymerization heat-release energy recovery device, which comprises a plurality of infusion pipelines 14, a reaction kettle body 1, a circulating pool 29, a condensing tower 39 and a heat-insulation heat-preservation box 15, wherein the reaction kettle body 1, the circulating pool 29 and the heat-insulation heat-preservation box 15 are fixedly communicated through the infusion pipelines 14 in sequence, a cooling coil 13 is fixedly arranged in the reaction kettle body 1, and two ends of the cooling coil 13 extend to the outside of the reaction kettle body 1 in a penetrating way and are fixedly communicated with the corresponding infusion pipelines 14 respectively; the cooling water in the external circulation tank 29 is led into the cooling coil 13 through the external infusion pipeline 14, so that heat in the reaction kettle body 1 can be taken away, and the cooling water flows out into the heat insulation box 15 through the other infusion pipeline 14 for use.
As shown in fig. 8, one side of the outer surface of the heat insulation and preservation box 15 is fixedly communicated with three diversion connecting pipes 18, the middle parts of the three diversion connecting pipes 18 are fixedly provided with diversion mechanisms 34, one ends of the three diversion connecting pipes 18 are respectively fixedly communicated with a dripping kettle 35, a washing kettle 36 and a rectifying tower 37, one ends of the dripping kettle 35, the washing kettle 36 and the rectifying tower 37, which are far away from the diversion connecting pipes 18, are respectively fixedly communicated with a return pipe 38, and one ends of the three return pipes 38 are respectively fixedly communicated with the heat insulation and preservation box 15; namely, the cooling water utilized by the dripping kettle 35, the washing kettle 36 and the rectifying tower 37 can return to the heat insulation box 15 through the return pipe 38, so as to flow into the circulating pool 29 again, and the polyphenylene sulfide in the reaction kettle body 1 is cooled after the pre-polymerization reaction.
In the production process of the polyphenylene sulfide, the dripping kettle 35 needs to be heated, the washing kettle 36 needs to be heated, the rectifying tower 37 needs to be heated, the water for resin washing can be preheated, even domestic water can be used for providing and storing heat energy, and the cooling coil pipe 13, the infusion pipeline 14, the heat insulation box 15 and the return pipe 38 are integrally matched, so that heat can be supplied to a plurality of devices except the reaction kettle body 1, heat loss caused by direct entering of cooling water into the circulating tank 29 is saved, and the environment is protected.
As shown in fig. 5, the diversion mechanism 34 includes a first diversion pipe 19 fixedly connected to one end of the diversion connection pipe 18, a second diversion pipe 20 is fixedly connected to the middle part of the first diversion pipe 19 in a penetrating manner, a first flow direction pipeline 21 and a second flow direction pipeline 22 are slidably connected to the inner wall of the second diversion pipe 20, adjacent sides of the first flow direction pipeline 21 and the second flow direction pipeline 22 are fixedly connected, a pull rod 26 is fixedly connected to one side of the outer surface of the first flow direction pipeline 21, a spring 25 is fixedly connected to the outer surface of the pull rod 26 in a sleeved manner, one end of the spring 25 is fixedly connected to the inner wall of the second diversion pipe 20, and one end of the pull rod 26 extends to the outer part of the second diversion pipe 20 in a penetrating manner and is fixedly connected with a strip-shaped grab handle 27;
The first flow-direction pipeline 21 is positioned at a position opposite to the center of the first shunt tube 19 at first, and the first flow-direction pipeline 21 can be driven to slide on the inner wall of the second shunt tube 20 by holding the strip-shaped grab handle 27 and then pulling the pull rod 26, so that the first flow-direction pipeline 21 is pulled towards a direction close to the strip-shaped grab handle 27, the second flow-direction pipeline 22 is exposed at the center of the first shunt tube 19, and the flow direction of cooling water passing through the first shunt tube 19 is changed;
As shown in fig. 5, the top and bottom of the first flow-direction pipeline 21 are both provided with first diversion holes 23, and it is obvious that when the liquid in the second flow-direction pipeline 22 flows, the liquid flows from one end of the first flow-direction pipeline 21 to the other end, and the second flow-direction pipeline 22 is provided with second diversion holes 24 at the top and bottom, and one end of the second flow-direction pipeline 22 is communicated with the interior of the second diversion pipe 20, and it is obvious that the liquid in the second flow-direction pipeline 22 enters the second flow-direction pipeline 22 from a single second diversion hole 24 at the bottom when flowing, and then flows into the first diversion pipe 19 through the second diversion hole 24 at the top and flows into the second diversion pipe 20 through the communication part, so that the liquid is diverted, and other devices also need to use the heat in the cooling water in the later period.
As shown in fig. 5, the outer surface of the pull rod 26 located outside the second shunt 20 is sleeved with a locking knob 28 in a threaded connection, and the inner side of the locking knob 28 abuts against the outer surface of the second shunt 20, wherein it is obvious that the spring 25 has elasticity, when no external force is applied to the spring to maintain the initial state, the spring 25 can support the first flow direction pipeline 21 to be positioned at the center of the first shunt 19, so that cooling water flows through the first flow direction pipeline 21, and conversely, when a worker holds the bar-shaped grab handle 27 to pull the pull rod 26 outwards, the first flow direction pipeline 21 moves towards the direction close to the bar-shaped grab handle 27 to compress the spring 25, and at the moment, when the locking knob 28 is screwed to abut against the outer surface of the second shunt 20, the position of the pull rod 26 can be fixed, so that the spring 25 is prevented from rebounding to reset the first flow direction pipeline 21.
As shown in fig. 2 and 3, the reaction kettle cover 2 is fixedly installed at the top of the reaction kettle body 1, wherein the reaction kettle body 1 and the reaction kettle cover 2 can be fixed by external bolts, so that the reaction kettle body 1 and the reaction kettle cover 2 are more firmly installed, the servo motor 3 is fixedly installed at the central position of the upper surface of the reaction kettle cover 2, the output shaft of the servo motor 3 penetrates through and extends to the lower part of the reaction kettle cover 2 and is fixedly connected with the material stirring shaft 6, a plurality of struts 7 are symmetrically and fixedly connected at the bottom of the outer surface of the material stirring shaft 6, one ends of the struts 7 far away from the material stirring shaft 6 are fixedly connected with stirring blades 8 together, and the stirring blades 8 are positioned on the inner side of the cooling coil 13.
When the polyphenylene sulfide in the reaction kettle body 1 is subjected to the prepolymerization reaction, the servo motor 3 is started, and the servo motor 3 can drive the material stirring shaft 6 to rotate, so that the stirring blades 8 are driven to rotate along with the material stirring shaft 6 through the plurality of supporting rods 7, reactants are stirred, and the reaction is accelerated.
As shown in fig. 8, the heat insulation and preservation box 15 and the reaction kettle body 1 are fixedly communicated with a first filter 30 through the infusion pipeline 14, the heat insulation and preservation box 15 and the condensation tower 39 are fixedly communicated with a second filter 33 through the infusion pipeline 14, and the first filter 30 and the second filter 33 can play a role in purifying the cooling water, so that the impurity is prevented from blocking the infusion pipeline 14 and even causing damage to equipment in the process that the cooling water flows into the heat insulation and preservation box 15 from the reaction kettle body 1 and flows back to the condensation tower 39 from the heat insulation and preservation box 15 so as to circulate to the pool 29.
As shown in fig. 4, the outer surface of the heat insulation and preservation box 15 is provided with a plurality of grooves 16, the inner walls of the plurality of grooves 16 are fixedly connected with a heat insulation board 17, wherein the heat insulation board 17 comprises a heat insulation layer 1701 and a glue layer 1702, the glue layer 1702 is coated on the inner side of the heat insulation layer 1701, the inner side of the glue layer 1702 is adhered to the inner wall of the grooves 16, namely, the heat insulation layer 1701 is adhered to the two inner walls of the grooves 16 through the two glue layers 1702, the fixation between the heat insulation board 17 and the grooves 16 is realized, and the heat insulation and preservation performance of the heat insulation and preservation box 15 can be enhanced due to the existence of the heat insulation board 17, so that heat loss generated when cooling water is transferred in the heat insulation and preservation box 15 is reduced.
As shown in fig. 8, a first control valve body 31 is fixedly installed at one end of a single infusion pipeline 14 between a condensing tower 39 and a heat insulation box 15, a second control valve body 32 is fixedly installed at one end of a single infusion pipeline 14 between a reaction kettle body 1 and the heat insulation box 15, and the first control valve body 31 and the second control valve body 32 can control cooling water flowing out of the heat insulation box 15 and cooling water flowing into the heat insulation box 15 or control the flow speed of the cooling water.
As shown in fig. 1 and 2, the two sides of the outer surface of the reaction kettle body 1 are fixedly connected with mounting plates 11, wherein the mounting plates 11 can be fixed with external brackets in an external bolt connection mode or a welding mode, so that the whole reaction kettle body 1 is fixed at a proper mounting position so as to perform a prepolymerization reaction of polyphenylene sulfide, a control panel 12 is fixedly arranged on the front surface of the reaction kettle body 1, the control panel 12 is electrically connected with a servo motor 3, and the servo motor 3 can be controlled to open and close and operate through the control panel 12, so that kinetic energy is provided for the rotation of a material stirring shaft 6 and stirring blades 8 inside the reaction kettle body 1.
As shown in fig. 1, the upper surface of the reaction kettle cover body 2 is fixedly connected with a pressure release pipe 4 and a feed pipe 5 respectively, correspondingly, the bottom of the reaction kettle body 1 is fixedly connected with a liquid outlet pipe 9, one end of the liquid outlet pipe 9 is fixedly provided with an electromagnetic valve 10, and the liquid outlet pipe 9 can discharge the solution containing the polyphenylene sulfide product after the prepolymerization reaction is completed outwards, so that the solution containing the polyphenylene sulfide product can be conveniently and continuously processed, and the electromagnetic valve 10 is used for conveniently controlling the liquid outlet pipe 9 and controlling the speed of outwards or outwards discharging liquid.
The synthesized PPS prepolymerization heat-release energy recovery device is used in the process of: firstly, raw materials for producing polyphenylene sulfide can be put into a reaction kettle body 1 through a feed pipe 5, then a servo motor 3 is started through a control panel 12, the servo motor 3 can drive a material stirring shaft 6 and a stirring blade 8 to rotate when in operation, so that reactants are stirred, the pre-polymerization reaction of the polyphenylene sulfide is accelerated, meanwhile, cooling water in a circulating tank 29 can enter the cooling coil pipe 13 from a transfusion pipeline 14, heat in the reaction kettle body 1 can be taken away to the other transfusion pipeline 14 when flowing in the cooling coil pipe 13, meanwhile, the cooling water containing a certain amount of heat can not directly enter the circulating tank 29, but firstly enters a heat insulation and heat preservation box 15, and is transferred to other devices such as a water washing kettle 36, a dripping kettle 35, a rectifying tower 37 and the like needing heat supply through the heat insulation and preservation box 15, the heat of the cooling water is recycled, and then enters a condensing tower 39 through the transfusion pipeline 14 so as to return to the circulating tank 29, so that the development of an energy recovery mode is further realized, the direct waste of energy is reduced, the energy utilization is improved, the whole polyphenylene sulfide production line is improved, the environment-friendly and the energy-saving work is further enhanced;
And when there are more devices or other flows also need the heat supply, can be through reposition of redundant personnel mechanism 34 with the cooling water further reposition of redundant personnel, wherein, cooling water is after entering into reposition of redundant personnel connecting pipe 18, can advance reposition of redundant personnel mechanism 34 earlier through the cooling water that shunts connecting pipe 18, when needs carry out the heat supply to more devices, only need hold strip grab handle 27 outwards pulling pull rod 26, can make first flowline 21 and second flowline 22 slide along the inner wall of second shunt pipe 20, will be in first flowline 19 positive center position's first flowline 21 change into second flowline 22, at this moment, twist locking knob 28 to support the surface of second shunt pipe 20, thereby can be with the position fixation of pull rod 26, thereby make first flowline 21 reset, thereby can advance the cooling water that enters into first shunt pipe 19 in the shunt connecting pipe 18, make it outwards flow from the other end of first shunt pipe 19 and the one end of second shunt pipe 20 respectively, can carry out to the device except that drip the cauldron 35, water wash 36 and rectifying column 37 outer, the heat supply device need not utilize the heat of heat supply to realize for the heat insulation effect for the heat insulation tank 15 in the later stage, can be realized simultaneously with the heat preservation effect can be further need the realization in the production need the heat preservation tank to be used in the cooling tank, the further heat preservation requirement of the production tank 15.
In the description of the present invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a synthetic PPS prepolymerization heat release energy recovery unit, includes a plurality of transfer line (14), reation kettle cauldron body (1), circulating tank (29), condensing tower (39) and thermal-insulated insulation can (15), its characterized in that: the reaction kettle body (1), the circulating pool (29), the condensing tower (39) and the heat insulation and preservation box (15) are fixedly communicated through a transfusion pipeline (14) in sequence, a cooling coil (13) is fixedly arranged in the reaction kettle body (1), and two ends of the cooling coil (13) penetrate through the outside of the reaction kettle body (1) and are fixedly communicated with corresponding transfusion pipelines (14) respectively;
Three diversion connecting pipes (18) are fixedly communicated with one side of the outer surface of the heat insulation and preservation box (15), a diversion mechanism (34) is fixedly installed in the middle of each diversion connecting pipe (18), one end of each diversion connecting pipe (18) is fixedly communicated with a dripping kettle (35), a washing kettle (36) and a rectifying tower (37), one ends of the dripping kettles (35), the washing kettles (36) and the rectifying towers (37), far away from each diversion connecting pipe (18), are fixedly communicated with a backflow pipe (38), and one ends of each backflow pipe (38) are fixedly communicated with the heat insulation and preservation box (15);
The split-flow mechanism (34) comprises a first split-flow pipe (19) fixedly communicated with one end of a split-flow connecting pipe (18), a second split-flow pipe (20) is fixedly communicated with the middle part of the first split-flow pipe (19), a first flow-direction pipeline (21) and a second flow-direction pipeline (22) are connected to the inner wall of the second split-flow pipe (20) in a sliding manner, adjacent sides of the first flow-direction pipeline (21) and the second flow-direction pipeline (22) are fixedly connected, a pull rod (26) is fixedly connected to one side of the outer surface of the first flow-direction pipeline (21), a spring (25) is fixedly connected to the outer surface of the pull rod (26) in a sleeved mode, one end of the spring (25) is fixedly connected with the inner wall of the second split-flow pipe (20), and one end of the pull rod (26) extends to the outer portion of the second split-flow pipe (20) in a penetrating mode and is fixedly connected with a strip-shaped grab handle (27);
The top and the bottom of the first flow pipeline (21) are provided with first diversion holes (23), the top and the bottom of the second flow pipeline (22) are provided with second diversion holes (24), and one end of the second flow pipeline (22) is communicated with the inside of the second shunt pipe (20).
2. A synthetic PPS prepolymerization heat release energy recovery apparatus according to claim 1, wherein: the outer surface of the pull rod (26) positioned outside the second shunt tube (20) is sleeved with a locking knob (28) in a threaded connection mode, and the inner side of the locking knob (28) is abutted to the outer surface of the second shunt tube (20).
3. A synthetic PPS prepolymerization heat release energy recovery apparatus according to claim 2, wherein: the utility model discloses a reaction kettle, including reaction kettle cover (2), servo motor (3), material (mixing) shaft (6) are fixed on the top of reaction kettle (1), servo motor (3)'s output shaft runs through the below that extends to reaction kettle cover (2) and fixedly connected with, a plurality of branches (7) of surface bottom symmetry fixedly connected with of material (mixing) shaft (6), a plurality of branch (7) keep away from material (mixing) shaft (6) one end fixedly connected with stirring leaf (8) jointly, just stirring leaf (8) are in cooling coil (13) inboard.
4. A synthetic PPS prepolymerization heat release energy recovery apparatus according to claim 1, wherein: the heat insulation box (15) is fixedly communicated with the reaction kettle body (1) through a transfusion pipeline (14) together, a first filter (30) is fixedly communicated with the reaction kettle body (1) together, and a second filter (33) is fixedly communicated with the condensation tower (39) through the transfusion pipeline (14) together.
5. A synthetic PPS prepolymerization heat release energy recovery apparatus according to claim 4, wherein: the outer surface of the heat insulation box (15) is provided with a plurality of grooves (16), and the inner walls of the grooves (16) are fixedly connected with heat insulation plates (17).
6. A synthetic PPS prepolymerization heat release energy recovery apparatus according to claim 5, wherein: the insulation board (17) comprises an insulation layer (1701) and an adhesive layer (1702), wherein the adhesive layer (1702) is coated on the inner side of the insulation layer (1701), and the inner side of the adhesive layer (1702) is bonded with the inner wall of the groove (16).
7. A synthetic PPS prepolymerization heat release energy recovery apparatus according to claim 1, wherein: one end of a single infusion pipeline (14) between a condensing tower (39) and a heat insulation and preservation box (15) is fixedly provided with a first control valve body (31), and one end of a single infusion pipeline (14) between a reaction kettle body (1) and the heat insulation and preservation box (15) is fixedly provided with a second control valve body (32).
8. A synthetic PPS prepolymerization heat release energy recovery apparatus according to claim 1, wherein: the reaction kettle is characterized in that mounting plates (11) are fixedly connected to two sides of the outer surface of the reaction kettle body (1), a control panel (12) is fixedly arranged on the front surface of the reaction kettle body (1), and the control panel (12) is electrically connected with a servo motor (3).
9. A synthetic PPS prepolymerization heat release energy recovery apparatus according to claim 3, wherein: the upper surface of the reaction kettle cover body (2) is fixedly communicated with a pressure relief pipe (4) and a feed pipe (5) respectively.
10. A synthetic PPS prepolymerization heat release energy recovery apparatus according to claim 1, wherein: the bottom of the reaction kettle body (1) is fixedly communicated with a liquid outlet pipe (9), and an electromagnetic valve (10) is fixedly arranged at one end of the liquid outlet pipe (9).
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854256Y (en) * | 2005-12-16 | 2007-01-03 | 邓永旗 | Double-pipe low pressure liquid valve |
| CN204607902U (en) * | 2015-04-30 | 2015-09-02 | 钟家春 | There is the polyphenylene sulfide production unit of solvent recuperation function |
| CN113230994A (en) * | 2021-05-28 | 2021-08-10 | 上海寰球工程有限公司 | System and method for comprehensively utilizing heat energy of alkoxylation reaction |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5295510A (en) * | 1992-08-21 | 1994-03-22 | Lci Corporation | Diverter valve |
| JP3774334B2 (en) * | 1999-06-17 | 2006-05-10 | 株式会社テージーケー | Four-way selector valve |
| US7615893B2 (en) * | 2000-05-11 | 2009-11-10 | Cameron International Corporation | Electric control and supply system |
| US10836220B2 (en) * | 2015-08-06 | 2020-11-17 | Dana Heavy Vehicle Systems Group, Llc | Control and supply valve assembly for a tire pressure management system |
| CN107314127B (en) * | 2017-06-26 | 2023-08-29 | 国网山东省电力公司青岛供电公司 | Multi-pipeline integrated control valve |
| CN208778756U (en) * | 2018-08-27 | 2019-04-23 | 北京天安农业发展有限公司 | Return liquid outlet current divider |
| CN110701331B (en) * | 2019-10-16 | 2023-04-11 | 徐州蓝湖信息科技有限公司 | Push type spiral high-pressure jet regulator |
| CN217153445U (en) * | 2022-04-27 | 2022-08-09 | 诸暨市国大塑业有限公司 | Water heating pipe fitting joint |
| CN219072909U (en) * | 2022-09-15 | 2023-05-26 | 江西森钥新材料科技有限公司 | Resin reation kettle cooling water circulating device |
-
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854256Y (en) * | 2005-12-16 | 2007-01-03 | 邓永旗 | Double-pipe low pressure liquid valve |
| CN204607902U (en) * | 2015-04-30 | 2015-09-02 | 钟家春 | There is the polyphenylene sulfide production unit of solvent recuperation function |
| CN113230994A (en) * | 2021-05-28 | 2021-08-10 | 上海寰球工程有限公司 | System and method for comprehensively utilizing heat energy of alkoxylation reaction |
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