CN201431882Y - Spray polymerization kettle with regulating valve - Google Patents
Spray polymerization kettle with regulating valve Download PDFInfo
- Publication number
- CN201431882Y CN201431882Y CN2009203016896U CN200920301689U CN201431882Y CN 201431882 Y CN201431882 Y CN 201431882Y CN 2009203016896 U CN2009203016896 U CN 2009203016896U CN 200920301689 U CN200920301689 U CN 200920301689U CN 201431882 Y CN201431882 Y CN 201431882Y
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- reactor
- control valve
- pressure
- temperature
- heat exchanger
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Abstract
The utility model relates to a reaction kettle, in particular to a spray polymerization kettle with a regulating valve. The utility model mainly solves a technical problem that when a reaction temperature is so low that polymer monomers enter the kettle in an overlarge amount fails to react quickly and remains in the kettle in a large amount, so the system pressure increases rapidly when the temperature raises and a large safety hazard is caused at the same time and other technical problems. The spray polymerization kettle with the regulating valve comprises a reaction kettle (1), and is characterized in that: the top part of the reaction kettle (1) is connected with a feed inlet pipe (2) which is connected with a measuring tank by a pipe; the bottom part of the reaction kettle (1) is provided with a pressure sensor (6) capable of testing the pressure in the reaction kettle; and the pressure sensor is connected with a pressure control valve (5) through a line.
Description
Technical field
The utility model relates to a kind of reactor, especially relates to a kind of to having the isostructural improvement of spray polymerization reactor of control valve.
Background technology
Routine EO/PO polymerization reaction kettle temperature, the main dependence of pressure control operating personnel on duty observe, and carry out temperature, pressure adjusting according to the technological operation rules, and this just can't be avoided observation-judgement-operation, the hysteresis quality that human factor is brought.Chinese patent discloses the temperature of reaction kettle control system of a kind of strap clamp cover and temperature-controlled process thereof, and (publication number: CN 101349925A), it comprises chuck, and chuck surrounds reactor; Circulating pump connects the inlet channel and the outlet conduit of chuck respectively, and the circulation that allows water in the chuck not stop evenly mixes; Jet mixer, it is arranged on the inlet channel between circulating pump and the chuck, and cooling water and steam mix in jet mixer; Steam control valve, the one end connects jet mixer by pipeline, and other end pipeline connects steam generation device, is used for the water temperature of heating jacket inside, thereby promotes the material temperature in the reactor; Cooling sea water regulating valve, the one end connects circulating pump by pipeline, and other end pipeline connects cooling water intake, is used for the water temperature of cooling jacket inside, thereby reduces material temperature in the reactor; It also comprises temperature measuring equipment; Temperature control equipment, its circuit connects steam control valve, cooling sea water regulating valve and temperature measuring equipment, the temperature in the temperature control equipment control chuck, thus finally control the interior temperature of reactor; Temperature measuring equipment comprises: first temperature measuring equipment is arranged on the reactor real time temperature in the record reactor; Second temperature measuring equipment is arranged on the inlet channel of chuck, the real time temperature in the record chuck; Temperature control equipment comprises the two-layer PID control of tandem, and one a conduct is from the PID control device as main PID control device, and steam control valve is the middle pressure steam control valve.But this method can only be used for detecting and the control temperature, and meeting rapid heat release of moment when some polymerisations take place, temperature sharply rises, and pressure also can raise, and reaction is fierce further, has huge potential safety hazard; If it is low that reaction temperature is spent, polymerization single polymerization monomer enters in the still too much, has little time to react away rapidly, and in a large amount of residual stills, when temperature rose, system pressure can be raised rapidly, had huge potential safety hazard equally.
The utility model content
The utility model technical issues that need to address provide a kind of spray polymerization reactor that has control valve, it mainly is to solve existing in prior technology if reaction temperature is spent low, polymerization single polymerization monomer enters in the still too much, have little time to react away rapidly, in a large amount of residual stills, when temperature rose, system pressure can be raised rapidly, had the technical problem of huge potential safety hazard etc. equally.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
The spray polymerization reactor that has control valve of the present utility model, comprise reactor, it is characterized in that described reactor top is connected with feed pipe, feed pipe is connected with measuring tank by pipeline, the measuring tank bottom is provided with the electronic scale that can claim material, be connected with the automatic pressure control valve on the feed pipe, but reactor is provided with the pressure inductor of detection reaction still internal pressure, pressure inductor is connected by circuit with pressure-regulating valve.Feeding pipe at monomer is provided with the automatic pressure control valve, and valve is according to the comparison of gaseous pressure in the still of pressure inductor reflection with setting value, and then unlatching or close monomer feed.Weight of material in the measuring tank can weigh up by electronic scale, can accurately control like this add the amount of material.
As preferably, described reactor top also is connected with the circulation material passing tube, and the circulation material passing tube is connected with heat exchanger by pipeline, and heat exchanger import department is connected with circulating pump, circulating pump is communicated with the discharging opening of reactor bottom, and is connected with material sucking port between circulating pump and the discharging opening.Heat exchanger is a spiral heat exchanger, makes heat transfer process into outer circulation type at the reactor surfaces externally and internally, and all materials are all necessary through heat exchanger by pipeline, so the effect of heat exchange is better.
As preferably, described heat exchanger is connected with water inlet pipe that can lead to cooling water and the outlet pipe that can lead to condensed water, and the upper end of heat exchanger is connected with the air inlet pipe that can lead to steam and the escape pipe that can lead to exhaust steam.Water inlet pipe and outlet pipe place at heat exchanger are provided with valve, like this according to material tender feeling condition, and the flow size that can open the heat exchanger heat transfer medium as one sees fit, energy-saving and cost-reducing.
As preferably, be connected with the automatic temperature-adjusting control valve of adjustable throttle amount on the water inlet pipe of described heat exchanger, reactor is provided with temperature inductor, and temperature inductor is connected by circuit with the automatic temperature-adjusting control valve.At heat exchanger cooling medium inlet end the automatic temperature-adjusting control valve is set, according to the temperature of still inner top temperature inductor reflection and the comparison of setting value, and then the flow of adjusting cooling medium.
As preferably, described circulation material passing tube and reactor top seal are provided with, and the end that the circulation material passing tube stretches in the reactor is connected with distributor.Circulation material passing tube and reactor top can weld together, and the circulation material passing tube can connect distributor after feeding in the reactor, so both can dispersed material, make that contact is more complete between the material, and save shaft again, played the effect of sealing.
Therefore, the utlity model has at the monomer feed pipeline automatic pressure control valve is set, characteristics such as heat exchanger cooling medium inlet end is provided with the automatic temperature-adjusting control valve, thereby can carry out temperature, pressure adjusting automatically according to the technological operation rules, and is simple and reasonable for structure.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model.
Parts, position and numbering among the figure: reactor 1, feed pipe 2, measuring tank 3, electronic scale 4, pressure-regulating valve 5, pressure inductor 6, circulation material passing tube 7, heat exchanger 8, circulating pump 9, material sucking port 10, water inlet pipe 11, outlet pipe 12, air inlet pipe 13, escape pipe 14, automatic temperature-adjusting control valve 15, temperature inductor 16, distributor 17.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the spray polymerization reactor that has control valve of this example, be used for polymerization EO/PO, as Fig. 1, a reactor 1 is arranged, and reactor 1 upper end is connected with feed pipe 2 and circulation material passing tube 7, and feed pipe 2 is connected with measuring tank 3, measuring tank 3 bottoms are provided with the electronic scale 4 that can claim material, be connected with automatic pressure control valve 5 on the feed pipe 2, but reactor 1 is provided with the pressure inductor 6 of detection reaction still internal pressure, pressure inductor and pressure-regulating valve 5 are connected by circuit.By welded seal, circulation material passing tube lower end feeds in the reactor and connects distributor 17 between reactor upper end and the circulation material passing tube 7.The upper end of circulation material passing tube is connected with heat exchanger 8 by pipeline.Heat exchanger 8 is connected with water inlet pipe 11 that can lead to cooling water and the outlet pipe 12 that can lead to condensed water, be connected with the automatic temperature-adjusting control valve 15 of adjustable throttle amount on the water inlet pipe 11 of heat exchanger 8, reactor 1 is provided with temperature inductor 16, and temperature inductor is connected by circuit with the automatic temperature-adjusting control valve.The upper end of heat exchanger 8 is connected with the air inlet pipe 13 that can lead to steam and the escape pipe 14 that can lead to exhaust steam.Heat exchanger 8 import departments are connected with circulating pump 9 by pipeline, and pump inlet is connected the lower end of reactor 1 by pipeline.The import of circulating pump 9 and exit all are connected with a ball valve, and also are connected with material sucking port 10 between reactor 1 discharging opening and the circulating pump 9.
During use, starting monomer is left in the measuring tank 3, weigh up the raw material weight of required adding by electronic scale 4.Starting monomer feeds in the reactor 1 by feed pipe 2 and reacts, and raw material is gone out from the reactor bottom under the effect of circulating pump 9, carries out heat exchange at heat exchanger 8 places then, reach suitable temperature, enter in the reactor secondary response again by circulation material passing tube 7 again, so circulation is up to reacting completely.Pressure inductor 6 can be measured the pressure in the reactor, is reflected to then on the automatic pressure control valve 5, and automatic pressure control valve 5 can cut out or open valve automatically according to the comparison of actual pressure and setting pressure, thus the inlet of control monomer.Temperature inductor 16 can be measured the temperature in the reactor, be reflected to then on the automatic temperature-adjusting control valve 15, automatic temperature-adjusting control valve 15 can cut out or open the valve on the water inlet pipe 11 automatically according to the comparison of actual temperature and design temperature, thereby regulates the flow of cooling medium.
Claims (5)
1. spray polymerization reactor that has control valve, comprise reactor (1), it is characterized in that described reactor (1) top is connected with feed pipe (2), feed pipe is connected with measuring tank (3) by pipeline, measuring tank (3) bottom is provided with the electronic scale (4) that can claim material, be connected with automatic pressure control valve (5) on the feed pipe (2), reactor (1) but be provided with the pressure inductor (6) of detection reaction still internal pressure, pressure inductor is connected by circuit with pressure-regulating valve (5).
2. the spray polymerization reactor that has control valve according to claim 1, it is characterized in that described reactor (1) top also is connected with circulation material passing tube (7), the circulation material passing tube is connected with heat exchanger (8) by pipeline, heat exchanger import department is connected with circulating pump (9), circulating pump is communicated with the discharging opening of reactor (1) bottom, and is connected with material sucking port (10) between circulating pump and the discharging opening.
3. the spray polymerization reactor that has control valve according to claim 2, it is characterized in that described heat exchanger (8) is connected with water inlet pipe (11) that can lead to cooling water and the outlet pipe (12) that can lead to condensed water, the upper end of heat exchanger (8) is connected with the air inlet pipe (13) that can lead to steam and the escape pipe (14) that can lead to exhaust steam.
4. the spray polymerization reactor that has control valve according to claim 3, it is characterized in that being connected with on the water inlet pipe (11) of described heat exchanger (8) the automatic temperature-adjusting control valve (15) of adjustable throttle amount, reactor (1) is provided with temperature inductor (16), and temperature inductor is connected by circuit with the automatic temperature-adjusting control valve.
5. according to claim 2 or the 3 or 4 described spray polymerization reactors that have control valve, it is characterized in that described circulation material passing tube (7) and reactor (1) top seal setting, and the end that circulation material passing tube (7) stretches in the reactor (1) is connected with distributor (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203016896U CN201431882Y (en) | 2009-03-27 | 2009-03-27 | Spray polymerization kettle with regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203016896U CN201431882Y (en) | 2009-03-27 | 2009-03-27 | Spray polymerization kettle with regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201431882Y true CN201431882Y (en) | 2010-03-31 |
Family
ID=42050695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203016896U Expired - Fee Related CN201431882Y (en) | 2009-03-27 | 2009-03-27 | Spray polymerization kettle with regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201431882Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933921A (en) * | 2014-04-18 | 2014-07-23 | 盘锦万通科工贸有限公司 | Device and method for producing high-molecular polymer |
| CN106378060A (en) * | 2016-11-30 | 2017-02-08 | 广东联捷生物科技有限公司 | High-temperature high-pressure fully automatic chemical reaction system |
-
2009
- 2009-03-27 CN CN2009203016896U patent/CN201431882Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933921A (en) * | 2014-04-18 | 2014-07-23 | 盘锦万通科工贸有限公司 | Device and method for producing high-molecular polymer |
| CN103933921B (en) * | 2014-04-18 | 2016-06-29 | 盘锦万通科工贸有限公司 | A kind of device and method producing high molecular polymer |
| CN106378060A (en) * | 2016-11-30 | 2017-02-08 | 广东联捷生物科技有限公司 | High-temperature high-pressure fully automatic chemical reaction system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20160327 |