CN115178202A - Seed emulsion polymerization kettle with prevent moulding function - Google Patents
Seed emulsion polymerization kettle with prevent moulding function Download PDFInfo
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- CN115178202A CN115178202A CN202210757818.2A CN202210757818A CN115178202A CN 115178202 A CN115178202 A CN 115178202A CN 202210757818 A CN202210757818 A CN 202210757818A CN 115178202 A CN115178202 A CN 115178202A
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- nipple
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- 238000007720 emulsion polymerization reaction Methods 0.000 title claims abstract description 33
- 238000000465 moulding Methods 0.000 title claims description 6
- 239000000178 monomer Substances 0.000 claims abstract description 97
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 50
- 210000002445 nipple Anatomy 0.000 claims abstract description 49
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 41
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 229920003023 plastic Polymers 0.000 claims abstract description 15
- 230000002265 prevention Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000011010 flushing procedure Methods 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000004945 emulsification Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 14
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000011449 brick Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012360 testing method Methods 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
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
-
- 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
-
- 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
- B01J4/02—Feed or outlet devices; Feed or outlet control devices for feeding measured, i.e. prescribed quantities of reagents
-
- 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
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
-
- 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
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polymerisation Methods In General (AREA)
Abstract
The invention belongs to the technical field of polymerization kettle plastic prevention, and particularly relates to a seed emulsion polymerization kettle with a plastic prevention function, which comprises the seed emulsion polymerization kettle, wherein a monomer feeding main pipe of the seed emulsion polymerization kettle is communicated with a monomer feeding adjusting valve, the monomer feeding adjusting valve is respectively communicated with a monomer main pipe pneumatic valve and a monomer branch pipe, the monomer main pipe pneumatic valve is communicated with the seed emulsion polymerization kettle through a pipeline with a monomer main pipe flow limiting orifice plate arranged at the end opening, and the monomer branch pipe is respectively communicated with a rapid stopping agent flat pressure pipeline and a safety valve remote transmission pressure nipple. The invention installs a monomer branch pipe after the control valve of the monomer pipeline of the seed emulsion polymerization kettle, the monomer pipeline is divided into 3 parts and enters the polymerization kettle, one monomer branch pipe pipeline is introduced into the horizontal flat-pressing pipe of the polymerization kettle surface quick-stopping agent, and the other monomer branch pipe pipeline is introduced into the short joint of the safety valve on the polymerization kettle surface.
Description
Technical Field
The invention belongs to the technical field of plastic prevention of a polymerization kettle, and particularly relates to a seed emulsion polymerization kettle with a plastic prevention function.
Background
The specific process mode for producing the short section of the kettle surface of the paste resin polymerization kettle by the seed emulsion method to prevent plasticization is as follows: the design of the pup joint of the kettle surface of the polymerizer adopting the seed emulsion method is divided into a rapid stopping agent flat pressing pup joint and a safety valve remote transmission pressure pup joint, a flushing water pipeline is installed on the rapid stopping agent flat pressing pup joint of the polymerizer in the original process design, and no anti-plasticizing pipeline is arranged on the safety valve remote transmission pressure pup joint in the original process design.
The specific process for preventing plasticization of the polymerization kettle quick-stopping agent flat-pressure pipeline comprises the following steps: after the reaction of each kettle of the polymerization kettle is finished, a microcomputer is communicated with a field operator in the washing stage of a condenser of the polymerization kettle, a quick-stopping agent flat-pressing short-joint washing water hand valve is manually opened, the time for washing a pipeline is about 400s, the washing amount is about 300 kg, and the washing effect on the pipeline is kept.
The specific process for preventing plasticization of the remote transmission pressure nipple of the safety valve of the polymerization kettle comprises the following steps: the pipeline is cleaned and guaranteed to be used when the condenser of the seed emulsion polymerization kettle is overhauled every time.
The prior art technology falls behind, and the remote pressure nipple joint of the safety valve of the polymerization kettle can not prevent the blockage of the plasticized material due to no flushing water pipeline, and can block again in a short time after the cleaning is finished, so that the remote pressure of the safety valve can not be normally displayed, and the safety valve can not jump when the pressure of the polymerization kettle is abnormal, so that the safety production can not be ensured, the manual operation is required to be dismantled again, the maintenance time of the polymerization kettle is prolonged, and the feeding time of the polymerization kettle is influenced. The polymerization kettle quick-stopping agent flat pressure is a horizontal pipeline on site, the plasticizing effect of the pipeline can not be achieved after each kettle is flushed, the pipeline is easy to block, a pipeline pressure gauge cannot normally detect the blocked pipeline, the quick-stopping agent flat pressure pipeline cannot normally flat pressure when the pressure of the polymerization kettle is abnormal, the quick-stopping agent cannot be added, the polymerization kettle is over-temperature and over-pressure, and abnormal accidents occur.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a seed emulsion polymerization kettle with a plastic-proof function, which aims to solve the technical problem that a short section on the surface of a polymerization kettle for producing paste resin is extremely easy to plasticize, shorten the time for disassembling and cleaning a pipeline of the polymerization kettle, improve the stable use capacity of safety accessories of the polymerization kettle and the utilization rate of the polymerization kettle in the process and improve the yield.
The technical scheme provided by the invention is as follows:
the utility model provides a seed emulsion polymerization cauldron with prevent moulding function, includes seed emulsion polymerization cauldron, and it has monomer feeding house steward, rapid-curing agent concora crush pipeline and relief valve teletransmission pressure nipple joint, monomer feeding house steward intercommunication monomer feeding governing valve, monomer feeding governing valve communicates monomer house steward pneumatic valve and monomer branch pipe respectively, the pipeline intercommunication of monomer main pipe current-limiting orifice plate is provided with through the port department to the monomer house steward pneumatic valve seed emulsion polymerization cauldron, the monomer branch pipe communicates respectively rapid-curing agent concora crush pipeline with relief valve teletransmission pressure nipple joint is used for right through the monomer material only agent concora crush pipeline with the relief valve teletransmission pressure is short prevents moulding.
Based on above-mentioned technical scheme, install the monomer branch pipe additional behind seed emulsion method polymeric kettle monomer pipeline control valve, pneumatic two valve departments behind the monomer branch pipe installation current-limiting orifice plate (phi 12-phi 25), the monomer pipeline divide into 3 departments and gets into polymeric kettle, one of them monomer branch pipe line lets in polymeric kettle cauldron face rapid stopping agent flat pressure violently pipe, can install pneumatic valve control monomer feeding additional at violently pipe end department, install monomer spray header vertical installation in violently managing additional, wash with the monomer efflux and vaporization cooling line. The other monomer branch pipe line is led into the short joint of a safety valve on the kettle surface of the polymerization kettle, and a pneumatic valve is additionally arranged at the end of the transverse pipe to control monomer feeding and a flow limiting orifice plate (phi 4-phi 6) for monomer spraying and vaporization cooling pipelines.
And, install restriction orifice plate additional behind polymerization kettle monomer feed line pneumatic valve and restrict the former monomer pipeline flow of polymerization kettle, utilize flowmeter control monomer flow, can provide accurate flow for newly-increased washing branch pipe, through increasing the entrance control valve aperture, increase the entering volume of monomer, guarantee that polymerization kettle monomer volume is unchangeable.
Specifically, the shortstopping agent flattening line comprises:
the quick-stopping agent pressure-equalizing pipeline nipple is horizontally arranged;
the single spray nozzle is horizontally arranged at an opening at one end of the quick-stopping agent pressure equalizing pipeline nipple and is sequentially communicated with the first single flushing pneumatic valve, the pipeline branch pipe and the single branch pipe;
the condenser is respectively communicated with the opening at the other end of the quick-stopping agent pressure equalizing pipeline nipple and the emulsion polymerization kettle;
and the quick-stopping agent pressure-equalizing pipeline, the flushing water pipeline, the polymerization kettle remote transmission pressure gauge and the polymerization kettle site pressure gauge are sequentially communicated and arranged on the quick-stopping agent pressure-equalizing pipeline short joint.
Specifically, the method comprises the following steps: the pipeline of the quick-stopping agent pressure-equalizing pipeline nipple is DN 100; the single spray nozzle is
The jet spray head of (1).
Based on the technical scheme, the pneumatic valve is additionally arranged at the transverse pipe of the DN100 pipeline of the polymerization kettle, the feeding and stopping procedures of the monomers before and after reaction are controlled, the gas-phase monomers of the polymerization kettle can not flow back to cause plasticization, and the pneumatic valve is additionally arranged behind the DN100 flange cover
The jet flow nozzle is vertically arranged at the inlet of a pipeline, and ensures that the monomer with enough flow enters the DN100 transverse pipe to meet the flushing requirement.
Specifically, the safety valve teletransmission pressure nipple includes:
one end opening of the safety valve pipeline transverse pipe nipple is communicated with the single branch pipe through a second single flushing pneumatic valve, and a nipple flow limiting orifice plate is arranged at the opening;
and the horizontal opening of the safety valve pipeline tee joint is communicated with the opening at the other end of the safety valve pipeline cross pipe nipple, the lower opening of the safety valve pipeline tee joint is communicated with the emulsion polymerization kettle, and the upper opening of the safety valve pipeline tee joint is sequentially provided with a rupture disk, a safety valve body and an accident discharge pipeline.
Specifically, the method comprises the following steps: the pipeline of the safety valve pipeline transverse pipe nipple is DN 150; the short section flow-limiting orifice plate is
The restriction orifice plate of (2).
Based on the technical scheme, the brick pneumatic valve is added at the transverse pipe of the polymerized DN150 pipeline, the feeding and stopping procedures of the monomers before and after reaction are controlled, the gas-phase monomer reflux of the polymerization kettle is ensured to cause plasticization, and the brick pneumatic valve is additionally arranged behind the DN150 flange cover
The holes of the flow-limiting orifice plate are vertically arranged at the inlet of a pipeline, so that the monomer with enough flow can enter the DN150 transverse pipe to achieve the flushing requirement.
Specifically, the main pipe flow-limiting orifice plate is
The restriction orifice plate of (1).
The invention can solve the blockage of the quick stopping agent horizontal pressure pipeline nipple and the safety valve horizontal pipeline nipple of the emulsion paste resin polymerization kettle by the arranged spraying means, can reduce the production time of the polymerization kettle for cleaning the influence of the plasticized material, eliminates the plasticizing problem of the surface nipple of the polymerization kettle, improves the stable use capability and the utilization rate of the polymerization kettle of safety accessories of the polymerization kettle, and improves the yield.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a seed emulsion polymerization kettle with a plastic prevention function provided by the invention.
In fig. 1, the structure represented by each reference numeral is listed as follows:
1. monomer feed main pipe, 2, monomer feed governing valve, 3, monomer branch pipe, 4, condenser, 5, rapid stopping agent concora crush pipeline, 6, flushing water pipeline, 7, polymerizer teletransmission manometer, 8, polymerizer on-site manometer, 9, first monomer flushing pneumatic valve, 10, pipeline branch pipe, 11, monomer spray nozzle, 12, rapid stopping agent concora crush pipeline nipple joint, 13, monomer main pipe pneumatic valve, 14, monomer main pipe current-limiting orifice plate, 16, accident discharge pipeline, 17, relief valve body, 18, rupture disk, 19, relief valve pipeline tee joint nipple joint, 20, emulsion polymerizer, 21, second monomer flushing pneumatic valve, 22, nipple current-limiting orifice plate, 23, relief valve cross-pipe pipeline nipple joint.
Detailed Description
The principles and features of this invention are described below in conjunction with examples which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
In one embodiment, as shown in fig. 1, the seed emulsion polymerization reactor with plastic prevention function includes a seed emulsion polymerization reactor 20 having a monomer feeding main pipe 1, a rapid stopping agent pressure limiting pipeline and a safety valve remote pressure nipple, the monomer feeding main pipe 1 is communicated with a monomer feeding regulating valve 2, the monomer feeding regulating valve 2 is respectively communicated with a monomer main pipe pneumatic valve 13 and a monomer branch pipe 3, the monomer main pipe pneumatic valve 13 is communicated with the seed emulsion polymerization reactor 20 through a pipeline provided with a monomer main pipe flow limiting orifice plate 14 at a port, the monomer branch pipe 3 is respectively communicated with the rapid stopping agent pressure limiting pipeline and the safety valve remote pressure nipple, and the seed emulsion polymerization reactor is used for preventing plastic of the rapid stopping agent pressure limiting pipeline and the safety valve remote pressure nipple through a monomer material. Based on this technical scheme, install the monomer branch pipe additional behind seed emulsion method polymeric kettle monomer pipeline control valve, pneumatic two valve department installation current-limiting orifice plate (phi 12-phi 25) behind the monomer branch pipe, divide into 3 departments with the monomer pipeline and get into polymeric kettle, one of them monomer branch pipe line lets in polymeric kettle cauldron face rapid stopping agent flat pressure violently pipe, can install pneumatic valve control monomer feeding additional at violently pipe end department, install monomer spray header vertical installation in violently managing additional, wash with the monomer efflux and vaporization cooling line. The other monomer branch pipe line is led into the short joint of the safety valve on the kettle surface of the polymerization kettle, and a pneumatic valve is additionally arranged at the end of the transverse pipe to control monomer feeding and a flow-limiting orifice plate (phi 4-phi 6) for monomer spraying and vaporization cooling pipelines. And, install restriction orifice plate additional behind polymerization kettle monomer feed line pneumatic valve and restrict the former monomer pipeline flow of polymerization kettle, utilize flowmeter control monomer flow, can provide accurate flow for newly-increased washing branch pipe, through increasing the entrance control valve aperture, increase the entering volume of monomer, guarantee that polymerization kettle monomer volume is unchangeable.
In one embodiment, as shown in fig. 1, the shortstop flat line comprises: a horizontally arranged quick-stop agent pressure-equalizing pipeline nipple 12; the single spray nozzle 11 is horizontally arranged at an opening at one end of the quick-stopping agent pressure equalizing pipeline nipple 12, and the single spray nozzle 11 is sequentially communicated with the first single flushing pneumatic valve 9, the pipeline branch pipe 10 and the single branch pipe 3; the condenser 4 is respectively communicated with the other end opening of the quick-stopping agent pressure equalizing pipeline nipple 12 and the emulsion polymerization kettle 20; and a rapid stopping agent pressure-equalizing pipeline 5, a flushing water pipeline 6, a polymerization kettle remote transmission pressure gauge 7 and a polymerization kettle site pressure gauge 8 which are sequentially communicated and arranged on the rapid stopping agent pressure-equalizing pipeline nipple 12.
In one embodiment, the line of the shortstop surge line nipple 12 is DN 100; the single spray nozzle 11 is
The jet spray head of (1). Based on the technical scheme, the pneumatic valve is additionally arranged at the transverse pipe of the DN100 pipeline of the polymerization kettle, the feeding and stopping procedures of the monomers before and after reaction are controlled, the gas-phase monomers of the polymerization kettle can not flow back to cause plasticization, and the pneumatic valve is additionally arranged behind the DN100 flange cover
The jet flow nozzle is vertically arranged at the inlet of the pipeline to ensureThe monomer with enough flow enters the horizontal DN100 pipe to achieve the flushing requirement.
In one embodiment, as shown in fig. 1, the safety valve remote transmission pressure nipple comprises: a safety valve pipeline transverse pipe nipple 23, one end of which is provided with a single branch pipe 3 communicated with the second single flushing pneumatic valve 21, and the opening is provided with a nipple flow limiting orifice plate 22; and a safety valve pipeline tee joint nipple 19, the horizontal opening of which is communicated with the opening at the other end of the safety valve pipeline transverse pipe nipple 23, the lower opening of the safety valve pipeline tee joint nipple 19 is communicated with the emulsion polymerization reactor 20, and the upper opening of the safety valve pipeline tee joint nipple 19 is sequentially provided with a rupture disk 18, a safety valve body 17 and an accident discharge pipeline 16.
In one embodiment, the safety valve line cross tube nipple 23 is DN 150; the short section flow-limiting orifice plate is
The restriction orifice plate of (1). Based on the technical scheme, a brick pneumatic valve is added at the transverse pipe of a polymerized DN150 pipeline, the feeding and stopping procedures of the monomers before and after reaction are controlled, the gas-phase monomer reflux of a polymerization kettle is ensured to cause plasticization, and a flange cover of the DN150 pipeline is additionally provided with a brick pneumatic valve
The holes of the flow-limiting orifice plate are vertically arranged at the inlet of a pipeline, so that the monomer with enough flow can enter the DN150 transverse pipe to achieve the flushing requirement.
The seed emulsion polymerization kettle with the plastic prevention function provided by the invention is adopted to carry out production test, and the comparison statistics is carried out according to the conditions before and after modification, and the data is shown in the following table 1:
TABLE 1
Table 1 it can be seen that the present invention has significant advantages in terms of service hours. The two technologies have different times of removing the plasticized substance, the spraying means of the invention can solve the problem of short section blockage of the emulsion paste resin polymerization kettle, and can reduce the production time of the polymerization kettle influenced by cleaning the plasticized substance. Specifically, the short pipe is disassembled and cleaned once in 20 kettles, 2 hours are needed each time, once every 10 days, 6 hours can be saved in one kettle per month, the overhaul time can be saved each year, and 700 tons of products can be produced in 72 kettles each year.
TABLE 2
As can be seen from Table 2, the quality of the seed emulsion polymerization kettle with the plastic prevention function is basically consistent with that of the resin produced by the original feeding process equipment, and the resin meets the national standard of high-grade products. The paste resin product produced based on the method has stable quality.
Therefore, the seed emulsion polymerization kettle with the plastic prevention function can eliminate the plasticizing problem of the short section of the kettle surface of the polymerization kettle, improve the stable use capability and the utilization rate of the polymerization kettle safety accessory, and improve the yield.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a seed emulsion method polymeric kettle with prevent moulding function, includes seed emulsion method polymeric kettle (20), and it has monomer feed header pipe (1), rapid-stopping agent flat pressure pipeline and relief valve teletransmission pressure nipple joint, its characterized in that: monomer feed main pipe (1) intercommunication monomer feed governing valve (2), monomer feed governing valve (2) communicate monomer main pipe pneumatic valve (13) and monomer branch pipe (3) respectively, monomer main pipe pneumatic valve (13) are through being provided with the pipeline intercommunication of monomer main pipe current-limiting orifice plate (14) in port department seed emulsion polymerization cauldron (20), monomer branch pipe (3) communicate respectively the rapid-stopping agent concora crush pipeline with relief valve teletransmission pressure nipple joint for it is right to be right through the monomer material the concora crush pipeline with the short plastics of relief valve teletransmission pressure is prevented moulding.
2. The seed emulsion polymerization reactor with anti-plastic function of claim 1, wherein the shortstopping agent pressure-equalizing line comprises:
a horizontally arranged quick-stop agent pressure-equalizing pipeline nipple (12);
the single spray nozzle (11) is horizontally arranged at an opening at one end of the quick-stopping agent pressure equalizing pipeline nipple (12), and the single spray nozzle (11) is sequentially communicated with a first single flushing pneumatic valve (9), a pipeline branch pipe (10) and the single branch pipe (3);
the condenser (4) is communicated with the other end opening of the quick-stopping agent pressure equalizing pipeline nipple (12) and the emulsion polymerization kettle (20) respectively;
and the quick-stopping agent pressure equalizing pipeline (5), a flushing water pipeline (6), a polymerization kettle remote transmission pressure gauge (7) and a polymerization kettle on-site pressure gauge (8) are sequentially communicated and arranged on the quick-stopping agent pressure equalizing pipeline nipple (12).
3. The seed emulsion polymerization kettle with plastic prevention function of claim 2, which is characterized in that: the pipeline of the quick-stopping agent pressure-equalizing pipeline nipple (12) is DN 100; the single spray nozzle (11) is
The jet spray head of (1).
4. The seed emulsion polymerization reactor with plastic-proofing function of claim 1, wherein the safety valve remote pressure nipple comprises:
a safety valve pipeline transverse pipe nipple (23), one end opening of which is communicated with the monomer branch pipe (3) through a second monomer flushing pneumatic valve (21), and a nipple flow limiting orifice plate (22) is arranged at the opening;
and a safety valve pipeline tee joint (19), wherein a horizontal opening of the safety valve pipeline tee joint is communicated with an opening at the other end of the safety valve pipeline cross pipe nipple (23), a lower opening of the safety valve pipeline tee joint (19) is communicated with the emulsion polymerization kettle (20), and an upper opening of the safety valve pipeline tee joint (19) is sequentially provided with a rupture disc (18), a safety valve body (17) and an accident discharge pipeline (16).
5. The seed emulsion polymerization kettle with plastic prevention function of claim 4, wherein: the pipeline of the safety valve pipeline transverse pipe nipple (23) is a pipeline of DN 150; the short section flow-limiting orifice plate is
The restriction orifice plate of (1).
6. The seed emulsion polymerization kettle with plastic prevention function according to any one of claims 1 to 5, wherein: the main pipe flow-limiting orifice plate is
The restriction orifice plate of (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210757818.2A CN115178202A (en) | 2022-06-29 | 2022-06-29 | Seed emulsion polymerization kettle with prevent moulding function |
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| CN202210757818.2A CN115178202A (en) | 2022-06-29 | 2022-06-29 | Seed emulsion polymerization kettle with prevent moulding function |
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