CN205007950U - Improve ethylene chlorate polymeric kettle temperature control accuracy's device - Google Patents
Improve ethylene chlorate polymeric kettle temperature control accuracy's device Download PDFInfo
- Publication number
- CN205007950U CN205007950U CN201520575019.9U CN201520575019U CN205007950U CN 205007950 U CN205007950 U CN 205007950U CN 201520575019 U CN201520575019 U CN 201520575019U CN 205007950 U CN205007950 U CN 205007950U
- Authority
- CN
- China
- Prior art keywords
- temperature
- polymeric kettle
- circulating
- low
- control valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Polymerisation Methods In General (AREA)
Abstract
The utility model relates to an ethylene chlorate polymeric kettle technical field discloses an improve ethylene chlorate polymeric kettle temperature control accuracy's device, including polymeric kettle (8), the polymeric kettle of parcel on polymeric kettle (8) presss from both sides cover (15), medium temperature circulating water pond (1), low temperature circulating water pond (2), low temperature circulating water pond (2) press from both sides cover (15) through inlet channel intercommunication polymeric kettle, low temperature circulating water pond (2) and medium temperature circulating water pond (1) press from both sides cover (15) through outlet conduit intercommunication polymeric kettle, low temperature circulating water pond (2) still communicate and add water pipe (14), polymeric kettle (8) inside circulating line that sets up, these circulating line both ends communicate with inlet channel and outlet conduit respectively, use the difference in temperature that has reduced behind the the device in the polymeric kettle with the cooling water, reduce temperature fluctuations in the polymeric kettle to 0.2 DEG C by 0.5 DEG C, product quality's stability has been guaranteed.
Description
Technical field
The utility model relates to vinyl chloride polymerization reactor technical field, especially a kind of device improving vinyl chloride polymerization reactor temperature control precision.
Background technology
Chloroethylene polymerization reaction liberated heat needs jacket of polymerization and inner cool tube is taken away, usual employing normal temperature industrial water circulation water is directly to conducting heat exchange on polymerization kettle, due to industry water and polymerization reactor control temperature-difference larger, general at 25 to 35 DEG C, especially winter environment temperature is lower, in industrial water circulation water and polymeric kettle, the temperature difference is larger, the excessive direct temperature stabilization that to affect in polymeric kettle of still internal-external temperature difference controls, and then affect naval stores quality, simultaneously in still with cooling range excessive cause jacket of polymerization and inner cool tube fouling serious, polymerization reactor heat transfer coefficient reduces, affect polymeric kettle production capacity.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of device that can improve vinyl chloride polymerization reactor temperature control precision, can improve the quality of product in polymeric kettle.
Realizing principle of the present utility model is: after being mixed with the water of lower temperature by the water heated after heat exchange in polymeric kettle, deliver to cool cycles in polymeric kettle again, reduce in polymeric kettle and cooling range, to ensure to be polymerized the stable of temperature in the kettle, and then ensure the stability of product quality.
The technical scheme adopted based on above-mentioned principle the utility model is: the device improving vinyl chloride polymerization reactor temperature control precision, comprise polymeric kettle, be wrapped in the jacket of polymerization on polymeric kettle, middle temperature circulating water pool, low-temperature circulating pond, low-temperature circulating pond is communicated with jacket of polymerization by inlet channel, low-temperature circulating pond is communicated with jacket of polymerization with middle temperature circulating water pool by outlet conduit, low-temperature circulating pond is also communicated with adds water pipe, polymeric kettle inside arranges circulating line, these circulating line two ends are communicated with outlet conduit with inlet channel respectively, react after liberated heat heat exchange in water in circulating line and polymeric kettle, got back to by the water section heated and send into jacket of polymerization after inlet channel mixes with the water that low-temperature circulating pond is sent here and carry out heat exchange.
Circulating line is provided with interior cold pump, and the pressure increasing water in circulating line also stablizes the flow of water.
Outlet conduit is communicated with low-temperature circulating pond with middle temperature circulating water pool with low temperature branch respectively by middle temperature branch road, outlet conduit is provided with temperature measuring equipment, temperature measuring equipment can be thermometer, detect the water temperature of waterpipe, middle temperature branch road and low temperature branch are respectively arranged with middle temperature recirculated water control valve, low-temperature circulating water control valve.
Inlet channel is provided with booster, flowmeter, the first control valve, circulating pump, the two ends of circulating line are communicated with the pipeline between pipeline between the first control valve, circulating pump and flowmeter, the first control valve respectively, first control valve can regulate the water yield passing into jacket of polymerization, between flowmeter and circulating line, be provided with the second control valve, the water yield passing into circulating line can be regulated.
One end inlet channel being provided with flowmeter is also communicated with the top in low-temperature circulating pond, is provided with the 3rd control valve between flowmeter and low-temperature circulating pond, and the 3rd control valve regulates the backwater be diverted in water inlet pipe to be passed into the flow in low-temperature circulating pond.
The beneficial effects of the utility model are:
(1) react after liberated heat heat exchange in the water in circulating line and polymeric kettle, got back to after inlet channel mixes with the water that low-temperature circulating pond is sent here by the water section heated and send into conducting heat exchange on polymerization kettle by circulating line again, reduce the temperature difference with cooling water in polymeric kettle, by temperature fluctuation in polymeric kettle by ± 0.5 DEG C be reduced to ± 0.2 DEG C, ensure that the stability of product quality.
(2) reduces with the temperature difference of cooling water in polymeric kettle, in circulating line and jacket of polymerization, the internal circulating load of water increases, flow velocity is fast, and jacket of polymerization and inner cool tube fouling minimizing, extend the cycle of operation of polymeric kettle.
(3) jacket of polymerization and inner cool tube fouling reduce, and reduce polymerization cleaning frequency, improve polymeric kettle production capacity, then reduce production of resins cost.
(4) polymeric kettle inside arranges circulating line, and heat exchange is even, ensure that the stable of polymeric kettle internal temperature, and then ensure that the stability of product quality.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the device of the utility model vinyl chloride polymerization reactor temperature precision controlling.
Be labeled as in figure: warm circulating water pool in 1-, 2-low-temperature circulating pond, 3-booster, 4-the 3rd control valve, 5-flowmeter, 6-circulating pump, cold pump in 7-, 8-polymeric kettle, 9-temperature measuring equipment, warm recirculated water control valve in 10-, 11-low-temperature circulating water control valve, 12-first control valve, 13-second control valve, 14-adds water pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated.
As shown in Figure 1, the water adding water pipe 14 is passed in low-temperature circulating pond 2, flowmeter 5 is delivered to by after booster 3 supercharging, according to the temperature of polymeric kettle 8 inside, on polymeric kettle 8 inside, under be provided with point for measuring temperature, the temperature of polymeric kettle inside is detected and contrasts, the water yield passing into jacket of polymerization 15 and circulating line is regulated respectively again by the first control valve 12 and the second control valve 13, make the temperature difference of two points for measuring temperature remain on ± 0.2 DEG C, to reach the object controlling polymerization temperature in the kettle, be passed into after water heat exchange in circulating line in outlet conduit with from the water after jacket of polymerization 15 heat exchange out and mix, a mixed water part is delivered to inlet channel, a part delivers to middle temperature circulating water pool 1 or low-temperature circulating pond 2.
The water delivered in inlet channel delivers to heat exchange again in jacket of polymerization 15 through circulating pump 6.
Deliver to the water in middle temperature circulating water pool 1 or low-temperature circulating pond 2 after temperature measuring equipment 9 detected temperatures, higher than then opening middle temperature recirculated water control valve 10 during designated value, water is delivered in middle temperature circulating water pool 1, then by pump be transported to mix with the water of lower temperature in low-temperature circulating pond 2 after deliver to flowmeter 5 by booster 3 and recycle; After temperature measuring equipment 9 detected temperatures, lower than designated value, open low-temperature circulating water control valve 11, water is delivered in low-temperature circulating pond 2.
Above-mentioned designated value is according to the temperature conditions setting needed when reacting liberated heat and reaction in polymeric kettle.
Temperature in the water temperature that the aperture of the first control valve 12 detects according to temperature measuring equipment 9 and polymeric kettle regulates, when temperature height, the aperture of the first control valve 12 increases, when temperature is low, reduce the aperture of the first control valve 12, the aperture of the second control valve 13 regulates according to polymerization temperature in the kettle, when polymeric kettle temperature height, the aperture of the second control valve 13 increases, and when polymeric kettle temperature is low, reduces the aperture of the second control valve 13.
Claims (5)
1. improve the device of vinyl chloride polymerization reactor temperature control precision, comprise polymeric kettle (8), be wrapped in the jacket of polymerization (15) on polymeric kettle (8), middle temperature circulating water pool (1), low-temperature circulating pond (2), low-temperature circulating pond (2) is communicated with jacket of polymerization (15) by inlet channel, low-temperature circulating pond (2) is communicated with jacket of polymerization (15) with middle temperature circulating water pool (1) by outlet conduit, low-temperature circulating pond (2) is also communicated with adds water pipe (14), it is characterized in that: polymeric kettle (8) inside arranges circulating line, these circulating line two ends are communicated with outlet conduit with inlet channel respectively.
2. according to the device of raising vinyl chloride polymerization reactor temperature control precision according to claim 1, it is characterized in that: on circulating line, be provided with interior cold pump (7).
3. according to the device of raising vinyl chloride polymerization reactor temperature control precision according to claim 1, it is characterized in that: outlet conduit is provided with temperature measuring equipment (9), outlet conduit is communicated with low-temperature circulating pond (2) with middle temperature circulating water pool (1) with low temperature branch respectively by middle temperature branch road, and middle temperature branch road and low temperature branch are respectively arranged with middle temperature recirculated water control valve (10), low-temperature circulating water control valve (11).
4. according to the device of raising vinyl chloride polymerization reactor temperature control precision according to claim 1, it is characterized in that: on inlet channel, be provided with booster (3), stop valve, flowmeter (5), the first control valve (12), circulating pump (6), the two ends of circulating line are communicated with the pipeline between pipeline between the first control valve (12), circulating pump (6) and flowmeter (5), the first control valve (12) respectively, are provided with the second control valve (13) between flowmeter (5) and circulating line.
5. according to the device of the raising vinyl chloride polymerization reactor temperature control precision described in claim 1 or 4, it is characterized in that: one end inlet channel being provided with flowmeter (5) is also communicated with the top of low-temperature circulating pond (2), between flowmeter (5) and low-temperature circulating pond (2), be provided with the 3rd control valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520575019.9U CN205007950U (en) | 2015-08-03 | 2015-08-03 | Improve ethylene chlorate polymeric kettle temperature control accuracy's device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520575019.9U CN205007950U (en) | 2015-08-03 | 2015-08-03 | Improve ethylene chlorate polymeric kettle temperature control accuracy's device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205007950U true CN205007950U (en) | 2016-02-03 |
Family
ID=55206580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520575019.9U Active CN205007950U (en) | 2015-08-03 | 2015-08-03 | Improve ethylene chlorate polymeric kettle temperature control accuracy's device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205007950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841061A (en) * | 2020-07-27 | 2020-10-30 | 山东朗晖石油化学股份有限公司 | Be applicable to environment chloroethylene drainage equipment in winter |
| CN114432981A (en) * | 2020-10-20 | 2022-05-06 | 中国石油化工股份有限公司 | Method and system for adjusting temperature in polymerization kettle and application thereof |
-
2015
- 2015-08-03 CN CN201520575019.9U patent/CN205007950U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841061A (en) * | 2020-07-27 | 2020-10-30 | 山东朗晖石油化学股份有限公司 | Be applicable to environment chloroethylene drainage equipment in winter |
| CN114432981A (en) * | 2020-10-20 | 2022-05-06 | 中国石油化工股份有限公司 | Method and system for adjusting temperature in polymerization kettle and application thereof |
| CN114432981B (en) * | 2020-10-20 | 2024-05-28 | 中国石油化工股份有限公司 | Method and system for adjusting temperature in polymerization kettle and application of method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103130927B (en) | Method and system for olefin polymerization temperature control | |
| CN201304712Y (en) | Mould temperature control system | |
| CN205007950U (en) | Improve ethylene chlorate polymeric kettle temperature control accuracy's device | |
| CN111112575A (en) | Temperature control system of die casting die | |
| CN205435687U (en) | Radial fixed bed reactor of indirect heat transfer of multistage | |
| CN207838978U (en) | A kind of temperature of reaction kettle control system | |
| CN203018087U (en) | Reaction kettle | |
| CN205056019U (en) | A reaction system that is used for synthetic pilot scale usage of chemical industry | |
| CN102681565A (en) | CSTR (continuous stirred-tank reactor) temperature control system and method based on coil heat exchanger and jacketed heat exchanger | |
| CN206404756U (en) | A kind of multi-function outer circulation kettle system | |
| CN213611308U (en) | Automatic temperature control system of reation kettle | |
| CN201704219U (en) | Concrete admixture production device | |
| CN202570133U (en) | Intelligent temperature control device for reaction vessel | |
| CN202648471U (en) | Improved heat exchanger | |
| CN203857828U (en) | Exhaust heat recovery system of vanadium-nitrogen alloy production kiln | |
| CN207066174U (en) | A kind of polymerization kettle heat exchange system | |
| CN212058465U (en) | Temperature control device of heat exchanger | |
| CN201417097Y (en) | Condenser for polyvinyl chloride polymerizing pot top | |
| CN213254361U (en) | Heat-conducting oil thermostat | |
| CN206276392U (en) | Tubular type synthesis system is used in the production of water-soluble polymer water treatment agent | |
| CN216592637U (en) | Cold air drying equipment based on alternating temperature and continuous drying | |
| CN205731185U (en) | A kind of chlorination reactor | |
| CN206127314U (en) | Compound microorganisms cultivates system | |
| CN105237357B (en) | A kind of hydrogenation reaction device | |
| CN102922758A (en) | Direct mixing type low-temperature cooling water system of tire device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 644200 Yangchun dam Industrial Zone, Jiang'an County, Yibin, Sichuan Patentee after: Yibin Haifeng Herui Co., Ltd. Address before: 644004 No. 1 Zhongyuan Road, lower Jiangbei, Yibin, Sichuan Patentee before: Yibin Haifeng Herui Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |