CN215234036U - Polymerization reaction device - Google Patents
Polymerization reaction device Download PDFInfo
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- CN215234036U CN215234036U CN202120700326.0U CN202120700326U CN215234036U CN 215234036 U CN215234036 U CN 215234036U CN 202120700326 U CN202120700326 U CN 202120700326U CN 215234036 U CN215234036 U CN 215234036U
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Abstract
本实用新型公开了一种聚合反应装置，包括原料配置单元、物料预混单元、反应塔和物料缓冲反应釜，所述原料配置单元通过管线与物料预混单元连接，所述物料预混单元通过管线与反应塔连接，所述反应塔通过管线与物料缓冲反应釜连接。本实用新型装置结构简单易操作、投资成本低，利于实现分子量1000~10000范围的聚羧酸类产品的连续化生产智能控制，宜于工业化推广使用。
The utility model discloses a polymerization reaction device, comprising a raw material configuration unit, a material premixing unit, a reaction tower and a material buffer reaction kettle. The raw material configuration unit is connected with a material premixing unit through a pipeline, and the material premixing unit is connected by a pipeline. The pipeline is connected with the reaction tower, and the reaction tower is connected with the material buffer reactor through the pipeline. The device of the utility model has the advantages of simple structure, easy operation and low investment cost, is beneficial to realize the intelligent control of continuous production of polycarboxylic acid products with molecular weights ranging from 1000 to 10000, and is suitable for industrialized popularization and application.
Description
Technical Field
The utility model relates to an industrial water treatment agent production facility technical field especially relates to a polymerization device.
Background
Polycarboxylic acid series low molecular weight (molecular weight range is 1000-10000) polymers and salts thereof for industrial water treatment agents can be polymerized and synthesized in batches in a reaction kettle by setting factors such as reaction system concentration, reaction temperature, initiator system and dosage, monomer proportion, addition sequence and the like, but because the factors influencing the polymerization reaction are more, the single kettle type production is easy to cause the batch-to-batch difference of indexes such as the same product molecular weight distribution, different chromaticity and the like, so that the product quality is inconsistent, and the sale and use of the product are influenced; meanwhile, a large amount of polymerization heat is generated in the polymerization reaction process, and the kettle type reaction is not beneficial to timely moving out of the polymerization reaction heat due to relatively closed space, so that the phenomenon of local 'sudden aggregation' of a reaction system due to local overheating is easily caused, and potential safety production hazards exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a polymerization device to solve above-mentioned technical problem.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a polymerization reaction device, includes that raw materials disposes unit, material and mixes unit, reaction tower and material buffering reation kettle in advance, the raw materials disposes the unit and mixes the unit connection with the material through the pipeline in advance, the material mixes the unit and is connected with the reaction tower through the pipeline in advance, the reaction tower passes through the pipeline and is connected with material buffering reation kettle.
Preferably, the raw material preparation unit consists of n independent raw material preparation tanks, and the number n of the units is selected and set according to the actual reaction requirement; the material premixing unit is formed by combining 1-m stages of static mixers in series or in parallel, wherein the selection range of the series or parallel stages of the static mixers is an integer with m being more than or equal to 1 and less than or equal to 5.
Preferably, the static mixers are provided with static mixer heat exchange tubes for preheating the mixed materials before reaction.
Preferably, the top of the reaction tower is provided with a tower top material inlet, the bottom of the reaction tower is provided with a tower bottom material outlet, the lower part and the upper part of the reaction tower are respectively provided with a condensate inlet and a reaction tower condensate outlet, and the reaction tower is also provided with a reaction tower heat exchange interlayer, a reaction tower plate and a tower plate connecting rod; the reaction tower plates are composed of center line tower plates and lateral line tower plates on two sides in an alternating structure in sequence, each level of center line tower plates are fixed by tower plate connecting rods penetrating through the axle centers of the upper and lower bottoms of the reaction tower, and the center line tower plates and the tower plate connecting rods are connected together in a centrosymmetric structure through seamless welding.
Preferably, the tower plate connecting rod is fixed with the top and the bottom of the reaction tower respectively through stainless steel and polytetrafluoroethylene bolts or connected in a seamless welding mode.
Preferably, the side column plates on two sides in the reaction tower are respectively connected with the inner walls on two sides of the reaction tower in an embedded manner or in a fixed manner.
Preferably, the horizontal distance between the side column plates on the two corresponding sides of each stage is selected to be 1/6-1/2 of the length of the inner diameter of the column; and the middle line tower plates of all stages account for 1/3-4/5 of the length of the inner diameter of the reaction tower.
Preferably, the material buffer reaction kettle is respectively provided with a buffer kettle top feeding hole, a buffer kettle top discharging hole, a liquid level sensor and a paddle type stirring and heat exchange interlayer; the liquid level sensor and the material transferring pump and the control valve which are connected in series on the top discharging port pipeline are provided with a PLC automatic material transferring control interlocking system, and the buffering reaction kettle is provided with a feeding pipe which is directly communicated with the middle inner cavity of the reaction kettle at the top feeding port.
Preferably, the length of the feeding pipe entering the inner cavity of the reaction kettle accounts for 1/2-3/4 of the total height of the reaction kettle, the pipe diameter of the feeding pipe is consistent with the inner diameter of the feeding hole, and when materials continuously entering the buffer kettle reach a certain liquid level, submerged feeding is formed, so that the stirring assisting effect is achieved on the materials in the kettle.
Preferably, the pipeline is respectively connected with a control valve, a material transferring pump and a flow meter in series.
Compared with the prior art, the utility model has the advantages of it is following: the multistage static mixers connected in series or in parallel are utilized to realize the rapid, uniform and continuous mixing and feeding of materials in each polymerization reaction; each static mixer is provided with a heat exchange device capable of exchanging heat, so that the materials can be preheated or cooled in the mixing stage, and the temperature of the materials is kept in a constant range;
the reaction tower adopts the design that the central line tower plates and the survey line tower plates are alternately distributed, so that the materials entering the reaction tower from the tower top are firstly shunted by the central line tower plates under the action of gravity, then fall into the survey line tower plates at two sides and are sequentially and alternately carried out, the materials are subjected to a double S-shaped curve horizontal pushing type mixing reaction in the reaction tower, and the back mixing phenomenon of the materials can be effectively avoided; under the condition of a certain tower height, the reaction time of materials in the tower can be effectively prolonged, and the utilization rate of equipment is improved;
the utility model discloses device simple structure easily operates, investment cost is low, does benefit to the serialization production intelligent control that realizes the polycarboxylic acids product of molecular weight 1000~10000 scope, is suitable for the industrialization and uses widely.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the cross-sectional structure of the reaction tower of the present invention.
In the figure: 1. the device comprises a raw material configuration unit, 101, a raw material preparation tank, 2, a material premixing unit, 201, a static mixer, 202, a static mixer heat exchange tube, 3, a mass flow meter, 4, a material transfer pump, 5, a reaction tower, 501, a tower top material inlet, 502, a tower bottom material outlet, 503, a condensate inlet, 504, a reaction tower condensate outlet, 505, a reaction tower heat exchange interlayer, 506, a reaction tower center line tower plate fixed connecting rod, 507, a reaction tower center line tower plate, 508, a side line tower plate, 6, a material buffer reaction kettle, 601, a buffer kettle top feeding hole, 602, a feeding pipe, 603, a buffer kettle top discharging hole, 604, a liquid level sensor, 7 and a control valve.
Detailed Description
The invention is explained in further detail below with reference to the figures and the embodiments.
The utility model provides a polymerization reaction device, includes that raw materials configuration unit 1, material premix unit 2, reaction tower 5 and material buffering reation kettle 6, raw materials configuration unit 1 is connected with material premix unit 2 through the pipeline, material premix unit 2 is connected with reaction tower 5 through the pipeline, reaction tower 5 is connected with material buffering reation kettle 6 through the pipeline.
The raw material preparation unit 1 consists of n independent raw material preparation tanks 101, and the number n of the units is selected and set according to the actual reaction requirement; the material premixing unit 2 is formed by combining 1-m stages of static mixers 201 in series or in parallel, wherein the selection range of the series or parallel stages of the static mixers is an integer with m being more than or equal to 1 and less than or equal to 5.
The static mixers 201 are all provided with static mixer heat exchange tubes 202 for preheating the mixed materials before reaction. The top of the reaction tower 5 is provided with a tower top material inlet 501, the bottom of the reaction tower 5 is provided with a tower bottom material outlet 502, the lower part and the upper part of the reaction tower 5 are respectively provided with a condensate inlet 503 and a reaction tower condensate outlet 504, and the reaction tower 5 is also provided with a reaction tower heat exchange interlayer 505, a reaction tower plate and a tower plate connecting rod 506; the reaction tower plates are composed of middle line tower plates 507 and lateral line tower plates 508 on two sides in sequence in an alternating structure, the middle line tower plates 507 at each stage are fixed by tower plate connecting rods 506 penetrating through the axle centers of the upper and lower bottoms of the reaction tower, and the middle line tower plates 507 at each stage and the tower plate connecting rods 506 are connected together in a centrosymmetric structure through seamless welding. The tower plate connecting rod 506 is fixed with the top and the bottom of the reaction tower 5 through stainless steel and polytetrafluoroethylene bolts or connected in a seamless welding mode. The lateral line tower plates 508 on two sides in the reaction tower are respectively connected with the inner walls on two sides of the reaction tower in an embedded manner or in a fixed manner. The horizontal distance between the lateral line tower plates 508 on the two corresponding sides of each stage is selected to be 1/6-1/2 of the length of the inner diameter of the tower; the middle line tower plates 507 of each stage account for 1/3-4/5 of the length of the inner diameter of the reaction tower.
The material buffer reaction kettle 6 is respectively provided with a buffer kettle top feeding hole 601, a buffer kettle top discharging hole 603, a liquid level sensor 604 and a paddle type stirring and heat exchange interlayer; the liquid level sensor 604 and the material transferring pump 4 and the control valve which are connected in series on the pipeline of the top discharging hole are provided with a PLC automatic material transferring control interlocking system, and the buffer reaction kettle 6 is simultaneously provided with a feeding pipe 602 which is directly connected to the inner cavity of the middle part of the reaction kettle at the top feeding hole.
The length that inlet pipe 602 got into the reation kettle inner chamber account for reation kettle overall height 1/2~3/4, the inlet pipe diameter is unanimous with the feed inlet internal diameter, when the material that gets into buffer kettle in succession reaches certain liquid level, forms the feeding under the liquid, plays the effect of helping the stirring to the interior material of cauldron.
And the pipeline is respectively connected with a control valve 7, a material transferring pump 4 and a flow meter 3 in series.
The utility model discloses the theory of operation: dissolving and diluting monomers, an initiator, a catalyst, a reaction solvent and other raw materials required by a polymerization reaction in different raw material preparation tanks according to the mass percentage concentration required by the process; the prepared materials are uniformly pumped into a multistage series or parallel premixing system for fully mixing the materials according to a set mass flow ratio, and the materials are preheated to a certain degree in a static mixer provided with a heat exchange device (the preheating temperature range is determined according to the half-life period of the initiator at the corresponding temperature and the tube pass from the outlet of the premixing system to the reaction tower, on the premise of not initiating polymerization); the preheated and uniformly mixed materials enter a reaction tower preheated to the temperature required by the process from the top of the reaction tower at a constant speed, fall into a middle line reaction tower plate, are shunted and then reach bilateral line measurement tower plates, and are sequentially alternated, so that the materials are reacted at a constant speed from top to bottom in a double S shape or a broken line shape, and the temperature of a reaction system is controlled by a heat exchange interlayer of the reaction tower; the material that flows from the bottom of the tower gets into buffer reation kettle at the uniform velocity and carries out operation processing such as heat preservation, distillation concentration or pH value regulation, and when the material reached setting for the liquid level value in the buffer reation kettle, the material transfer pump interlock that starts and be connected with the reation kettle top realized changing the material automatically.
The foregoing is a preferred embodiment of the present invention, and for those skilled in the art to understand the teaching of the present invention, the changes, modifications, replacements and variations to the embodiments will still fall within the protection scope of the present invention without departing from the principle and spirit of the present invention.
Claims (10)
1. The polymerization reaction device is characterized by comprising a raw material configuration unit (1), a material premixing unit (2), a reaction tower (5) and a material buffering reaction kettle (6), wherein the raw material configuration unit (1) is connected with the material premixing unit (2) through a pipeline, the material premixing unit (2) is connected with the reaction tower (5) through a pipeline, and the reaction tower (5) is connected with the material buffering reaction kettle (6) through a pipeline.
2. A polymerization reaction apparatus as claimed in claim 1, wherein said raw material preparation unit (1) is composed of n independent raw material preparation tanks (101), the number n of units being selected according to the actual reaction requirement; the material premixing unit (2) is formed by combining 1-m stages of static mixers (201) in series or in parallel, wherein the selection range of the stages of the static mixers in series or in parallel is an integer with m being more than or equal to 1 and less than or equal to 5.
3. A polymerization reaction apparatus as claimed in claim 2, wherein the static mixers (201) are provided with static mixer heat exchanger tubes (202) for preheating the mixture before reaction.
4. The polymerization reaction device as claimed in claim 1, wherein the top of the reaction tower (5) is provided with an inlet (501) for tower top materials, the bottom of the reaction tower (5) is provided with an outlet (502) for tower bottom materials, the lower part and the upper part of the reaction tower (5) are respectively provided with an inlet (503) for condensate and an outlet (504) for condensate of the reaction tower, the reaction tower (5) is further provided with a heat exchange interlayer (505) of the reaction tower, tower plates of the reaction tower and a connecting rod (506) for the tower plates; the reaction tower plates are composed of middle line tower plates (507) and lateral line tower plates (508) on two sides in sequence in an alternating structure, the middle line tower plates (507) at all levels are fixed by tower plate connecting rods (506) penetrating through the axle centers of the upper and lower bottoms of the reaction tower, and the middle line tower plates (507) at all levels are connected with the tower plate connecting rods (506) in a central symmetry structure through seamless welding.
5. A polymerization apparatus according to claim 4, wherein the tray connecting rod (506) is fixed to the top and bottom of the reaction tower (5) by bolts or by seamless welding.
6. The polymerization apparatus as claimed in claim 4, wherein the sidedraw trays (508) are connected to the inner walls of the reaction column in an embedded manner or in a fixed manner.
7. A polymerization reactor according to claim 4, wherein the horizontal spacing of the sidedraw trays (508) on the respective sides of each stage is selected from the range of 1/6 to 1/2; the middle line tower plates (507) of each stage account for 1/3-4/5 of the length of the inner diameter of the reaction tower.
8. The polymerization reaction device as claimed in claim 1, wherein the material buffer reaction kettle (6) is respectively provided with a buffer kettle top feeding hole (601), a buffer kettle top discharging hole (603), a liquid level sensor (604), a paddle type stirring and heat exchange interlayer; liquid level sensor (604) and top discharge gate pipeline on change material pump (4) and the control flap of establishing ties be equipped with the automatic material control interlock that changes of PLC, buffer reation kettle (6) be equipped with inlet pipe (602) of direct reation kettle middle part inner chamber at the top feed inlet simultaneously.
9. The polymerization reaction device as claimed in claim 8, wherein the length of the feeding pipe (602) entering the inner cavity of the reaction kettle is 1/2-3/4 of the total height of the reaction kettle, the pipe diameter of the feeding pipe is consistent with the inner diameter of the feeding port, and when the material continuously entering the buffer kettle reaches a certain liquid level, submerged feeding is formed to assist stirring of the material in the kettle.
10. A polymerization plant according to claim 1, wherein the said lines are connected in series with a control valve (7), a transfer pump (4) and a flow meter (3), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120700326.0U CN215234036U (en) | 2021-04-07 | 2021-04-07 | Polymerization reaction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120700326.0U CN215234036U (en) | 2021-04-07 | 2021-04-07 | Polymerization reaction device |
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| CN215234036U true CN215234036U (en) | 2021-12-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116637577A (en) * | 2023-05-31 | 2023-08-25 | 中建安装集团有限公司 | Reaction kettle, ethylene tar polymerization reaction device and process |
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2021
- 2021-04-07 CN CN202120700326.0U patent/CN215234036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116637577A (en) * | 2023-05-31 | 2023-08-25 | 中建安装集团有限公司 | Reaction kettle, ethylene tar polymerization reaction device and process |
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Address after: No.1, Shiliquan East Road, Shizhong District, Zaozhuang City, Shandong Province 277100 Patentee after: Shandong Taihe Technology Co.,Ltd. Address before: No.1, Shiliquan East Road, Shizhong District, Zaozhuang City, Shandong Province 277100 Patentee before: SHANDONG TAIHE WATER TREATMENT TECHNOLOGIES Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |