CN214020289U - Raw materials preprocessing device is used in production of PVC processing auxiliary agent - Google Patents
Raw materials preprocessing device is used in production of PVC processing auxiliary agent Download PDFInfo
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- CN214020289U CN214020289U CN202022549658.1U CN202022549658U CN214020289U CN 214020289 U CN214020289 U CN 214020289U CN 202022549658 U CN202022549658 U CN 202022549658U CN 214020289 U CN214020289 U CN 214020289U
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Abstract
The utility model discloses a raw materials preprocessing device is used in production of PVC processing aid belongs to PVC processing aid production technical field, including dissolving the jar in advance, dissolve tank deck portion in advance and be connected with acrylic ester monomer preliminary treatment jar through charge-in pipeline, dissolve tank deck portion in advance and be equipped with the deionized water pipeline, acrylic ester monomer preliminary treatment jar includes a jar body, jar body top is equipped with the feed inlet, jar internal filter screen and the active carbon adsorption plate of being equipped with in proper order, be equipped with the guide plate on the internal chamber of jar diapire, dissolve the inside agitating unit that is equipped with of jar in advance, dissolve jar inside heater and the temperature sensor of being equipped with in advance, be equipped with the controller on the external wall of dissolving the jar in advance, heater, temperature sensor all with controller electric connection. The raw materials are pretreated, so that the subsequent PVC processing aid synthesis reaction is better carried out.
Description
Technical Field
The utility model relates to a PVC processing aid production technical field, concretely relates to raw materials preprocessing device is used in PVC processing aid production.
Background
The acrylate copolymer is formed by graft copolymerization of methyl methacrylate and a plurality of acrylates, is a most applied PVC processing aid, and is widely applied to main processing methods such as PVC extrusion, injection molding, calendering and the like. The production of the acrylate copolymer is generally to add deionized water, acrylate monomers and other initiators, emulsifiers and the like into a reaction kettle for polymerization reaction, the deionized water and the acrylate monomers are the raw materials with the largest dosage, the dosage of other raw materials is less, the raw materials are directly added into the reaction kettle in the current production process and then heated for reaction, so that the raw materials are not pretreated and directly participate in the reaction, and the problems of long reaction time, low synthesis efficiency and impurities in the raw materials influence the quality of the final product.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a raw materials preprocessing device is used in production of PVC processing auxiliary agent, carry out the preliminary solution processing with the raw materials through the preliminary solution jar, the stirring has accelerated the mixture of raw materials acrylic ester monomer and deionized water with the heating, dissolve, and because the heating has carried out the preheating to the raw materials in other words, add reation kettle and carry out polymerization after with raw materials preliminary treatment, reaction time has been shortened, the better of follow-up PVC processing auxiliary agent synthetic reaction has been guaranteed to go on, and add the acrylic ester monomer and carry out the edulcoration processing in the acrylic ester monomer preliminary treatment jar, there is impurity in the avoiding the raw materials and influence the quality of final product.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a raw material pretreatment device for PVC processing aid production comprises a pre-dissolving tank, wherein the top of the pre-dissolving tank is connected with an acrylate monomer pretreatment tank through a feeding pipeline, the top of the pre-dissolving tank is provided with a deionized water pipeline, the acrylate monomer pretreatment tank comprises a tank body, the top of the tank body is provided with a feeding port, a filter screen and an activated carbon adsorption plate are sequentially arranged in the tank body, the filter screen is obliquely arranged, the lower end of the filter screen is provided with an impurity discharge port, the impurity discharge port is connected with an impurity discharge pipe outside the tank body, the bottom wall of an inner cavity of the tank body is provided with a guide plate, the guide plate is triangular, the lower end of the guide plate corresponds to the bottom wall of the inner cavity of the tank body, the discharge port is communicated with the feeding pipeline, a stirring device is arranged inside the pre-dissolving tank, and a heater and a temperature, the outer wall of the pre-dissolving tank is provided with a controller, the heater and the temperature sensor are electrically connected with the controller, the bottom of the pre-dissolving tank is provided with a liquid drainage pipeline, and the pre-dissolving tank is connected with the reaction kettles through the liquid drainage pipeline.
Preferably, two heaters are arranged in the pre-dissolving tank, and the two heaters are respectively and correspondingly arranged on two sides of the inner wall of the pre-dissolving tank.
Preferably, the feed pipeline and the deionized water pipeline are both provided with a control valve and a flow meter.
Preferably, the impurity discharging pipe is provided with an impurity discharging valve, and the liquid discharging pipeline is provided with a control valve.
Preferably, the stirring device comprises a stirring shaft, wherein a stirring blade is arranged on the stirring shaft, and the stirring shaft is driven by a stirring motor outside the pre-dissolving tank.
The utility model has the advantages of that: the raw materials are subjected to pre-dissolving treatment through a pre-dissolving tank, mixing and heating accelerate mixing and dissolving of the acrylate monomers and the deionized water, and the heating is equivalent to preheating treatment of the raw materials, and the pre-treated raw materials are respectively added into different reaction kettles for polymerization reaction, so that the temperature of reactants in the reaction kettles can reach the reaction temperature quickly, the reaction time is shortened, and the subsequent PVC processing aid synthesis reaction can be better carried out; the temperature in the pre-dissolving tank can be controlled at a reasonable temperature through the temperature sensor and the controller, so that the influence of overhigh temperature on the quality of raw materials is avoided; the deionized water has high purity, and the acrylic ester monomer is added into an acrylic ester monomer pretreatment tank for impurity removal without impurity removal treatment, part of impurities with larger particles are removed through a filter screen, then the impurities are further removed through activated carbon adsorption, the impurity removal effect is good, and the impurities enter the pre-dissolving tank under the flow guide of a guide plate.
Drawings
FIG. 1 is the utility model relates to a raw materials preprocessing device's overall structure schematic diagram is used in production of PVC processing aid.
In the figure: the device comprises a pre-dissolving tank 1, an acrylate monomer pre-treating tank 2, a deionized water pipeline 3, a feed inlet 4, a filter screen 5, an activated carbon adsorption plate 6, a impurity discharging pipe 7, a guide plate 8, a stirring device 9, a heater 10, a temperature sensor 11, a controller 12, a reaction kettle 13, a control valve 14 and a flowmeter 15.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
The raw material pretreatment device for producing the PVC processing aid comprises a pre-dissolving tank 1, wherein the top of the pre-dissolving tank 1 is connected with an acrylate monomer pretreatment tank 2 through a feeding pipeline, the top of the pre-dissolving tank 1 is provided with a deionized water pipeline 3, the acrylate monomer pretreatment tank 2 comprises a tank body, the top of the tank body is provided with a feeding hole 4, the tank body is internally provided with a filter screen 5 and an activated carbon adsorption plate 6 in sequence, the filter screen 5 is obliquely arranged, the lower end of the filter screen 5 is provided with a trash discharging hole, the trash discharging hole is connected with a trash discharging pipe 7 outside the tank body, the bottom wall of an inner cavity of the tank body is provided with a guide plate 8, the guide plate 8 is triangular, the lower end of the guide plate 8 corresponds to the bottom wall of the inner cavity of the tank body and is provided with a discharging hole, the discharging hole is communicated with the feeding pipeline, and a stirring device 9 is arranged inside the pre-dissolving tank 1, dissolve 1 inside heater 10 and the temperature sensor 11 of being equipped with of jar in advance, dissolve 1 outer wall of jar in advance and be equipped with controller 12, heater 10, temperature sensor 11 all with controller 12 electric connection, dissolve 1 bottom of jar in advance and be equipped with drainage tube, dissolve 1 jar in advance and pass through drainage tube is connected with a plurality of reation kettle 13.
Two heaters 10 are arranged in the pre-dissolving tank 1, and the two heaters 10 are respectively and correspondingly arranged on two sides of the inner wall of the pre-dissolving tank 1. And the feed pipeline and the deionized water pipeline 3 are respectively provided with a control valve 14 and a flow meter 15. The impurity discharging pipe 7 is provided with an impurity discharging valve, and the liquid discharging pipeline is provided with a control valve 14. The stirring device 9 comprises a stirring shaft, wherein stirring blades are arranged on the stirring shaft, and the stirring shaft is driven by a stirring motor outside the pre-dissolving tank 1.
Adding an acrylate monomer into an acrylate monomer pretreatment tank 2 for impurity removal treatment, wherein the acrylate monomer can be any one or more of methyl methacrylate, ethyl acrylate or butyl acrylate, and a plurality of acrylate monomer pretreatment tanks 2 can be arranged as required. Acrylic ester monomer removes the great impurity of some granule at first through filter screen 5, and impurity is discharged through arranging miscellaneous pipe 7, and acrylic ester monomer then further adsorbs through active carbon adsorption plate 6 and gets into in the tank 1 of dissolving in advance under the water conservancy diversion of guide plate 8, and in deionized water then adds tank 1 of dissolving in advance through deionized water pipeline 3, flowmeter 15 can be used to the addition of control raw materials. In dissolving jar 1 in advance, the stirring has accelerated the mixture of raw materials acrylic ester monomer and deionized water with the heating, dissolve, and because the heating has carried out preheating to the raw materials in other words, can be with the temperature control in dissolving jar 1 in advance at reasonable temperature through temperature sensor 11 and controller 12, when the high temperature, temperature sensor 11 gives controller 12 with temperature signal transmission, under controller 12 effect, closes heater 10 and stops the heating, avoids the high temperature to influence the raw materials quality. After the raw material pretreatment is finished, the pretreated raw materials are respectively added into different reaction kettles 13 to be respectively subjected to polymerization reaction, so that the temperature of reactants in the reaction kettles 13 can quickly reach the reaction temperature, the reaction time is shortened, and the better proceeding of the subsequent PVC processing aid synthesis reaction is ensured.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (5)
1. A raw material pretreatment device for PVC processing aid production is characterized by comprising a pre-dissolving tank, wherein the top of the pre-dissolving tank is connected with an acrylate monomer pretreatment tank through a feeding pipeline, the top of the pre-dissolving tank is provided with a deionized water pipeline, the acrylate monomer pretreatment tank comprises a tank body, the top of the tank body is provided with a feeding port, a filter screen and an activated carbon adsorption plate are sequentially arranged in the tank body, the filter screen is obliquely arranged, the lower end of the filter screen is provided with a trash discharging port, the trash discharging port is connected with a trash discharging pipe outside the tank body, a guide plate is arranged on the bottom wall of an inner cavity of the tank body and is triangular, a discharging port is arranged on the bottom wall of the inner cavity of the tank body corresponding to the lower end of the guide plate and is communicated with the feeding pipeline, a stirring device is arranged inside the pre-dissolving tank, a heater and a temperature sensor are arranged inside the pre-dissolving tank, the outer wall of the pre-dissolving tank is provided with a controller, the heater and the temperature sensor are electrically connected with the controller, the bottom of the pre-dissolving tank is provided with a liquid drainage pipeline, and the pre-dissolving tank is connected with the reaction kettles through the liquid drainage pipeline.
2. The raw material pretreatment device for the production of PVC processing aid according to claim 1, wherein two heaters are arranged in the pre-dissolving tank, and the two heaters are respectively and correspondingly arranged on two sides of the inner wall of the pre-dissolving tank.
3. The raw material pretreatment device for the production of PVC processing aids according to claim 1, wherein the feed pipeline and the deionized water pipeline are both provided with a control valve and a flow meter.
4. The raw material pretreatment device for the production of the PVC processing aid according to claim 1, wherein an impurity discharge valve is arranged on the impurity discharge pipe, and a control valve is arranged on the liquid discharge pipe.
5. The raw material pretreatment device for the production of PVC processing aids according to claim 1, wherein the stirring device comprises a stirring shaft, stirring blades are arranged on the stirring shaft, and the stirring shaft is driven by a stirring motor outside the pre-dissolving tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022549658.1U CN214020289U (en) | 2020-11-06 | 2020-11-06 | Raw materials preprocessing device is used in production of PVC processing auxiliary agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022549658.1U CN214020289U (en) | 2020-11-06 | 2020-11-06 | Raw materials preprocessing device is used in production of PVC processing auxiliary agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214020289U true CN214020289U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022549658.1U Active CN214020289U (en) | 2020-11-06 | 2020-11-06 | Raw materials preprocessing device is used in production of PVC processing auxiliary agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214020289U (en) |
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2020
- 2020-11-06 CN CN202022549658.1U patent/CN214020289U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261500 west of Xuxin road and south of Fuhe Road, Renhe Industrial Park, Jiangzhuang Town, Gaomi City, Weifang City, Shandong Province Patentee after: Shandong Yuanbang New Material Co.,Ltd. Address before: 261500 west of Xuxin road and south of Fuhe Road, Renhe Industrial Park, Jiangzhuang Town, Gaomi City, Weifang City, Shandong Province Patentee before: Shandong Yuanbang New Material Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |