CN215962204U - High boiling point methacrylate class product rectifier unit - Google Patents
High boiling point methacrylate class product rectifier unit Download PDFInfo
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- CN215962204U CN215962204U CN202122563555.5U CN202122563555U CN215962204U CN 215962204 U CN215962204 U CN 215962204U CN 202122563555 U CN202122563555 U CN 202122563555U CN 215962204 U CN215962204 U CN 215962204U
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Abstract
The utility model provides a high boiling point methacrylate class product rectifier unit relates to rectification technical field, including the product rectifying still, the product rectifying tower, the one-level condenser, the second grade condenser, the reflux ratio controller, the conduction oil storage tank, the conduction oil transmission pump, conduction oil one-level condenser, conduction oil second grade condenser, vapour and liquid separator, the conduction oil expansion tank, the incomplete cooling tank of cauldron, the rectifying still adopts the conduction oil heating, the conduction oil passes through the transmission pump through the one-level after the rectification, get into the storage tank behind the second grade condenser for use, the cauldron is incomplete to be placed and is emitted after the incomplete cooling tank of cauldron cools off. The heat conducting oil is used as a heating medium of the high-boiling-point methacrylate product, and the high-boiling-point methacrylate product has the characteristics of high heating temperature, uniform heating, large evaporation capacity and the like, and realizes energy conservation and cost reduction.
Description
Technical Field
The utility model relates to the technical field of rectification, in particular to a rectification device for high-boiling-point methacrylate products.
Background
At present, the separation of high-boiling-point methacrylate reaction liquid adopts a rectification separation technology of heating by a steam jacket or a reboiler, and the separation method and the separation device have the following defects that the high-boiling-point methacrylate reaction liquid is insufficient in heating temperature, slow in evaporation speed and high in energy consumption, so that the utilization rate of a rectification tower is low. Therefore, it is an urgent problem to evaporate a large amount of high boiling point esters.
Disclosure of Invention
The utility model aims to provide a rectifying device for evaporating a high-boiling-point methacrylate product by using heat conduction oil as a heating medium, which has the characteristics of simple operation, good separation effect, large evaporation capacity, low energy consumption and the like and can better solve the problems in the prior art.
The purpose of the utility model is realized by the following technical scheme:
the method is characterized in that: a rectifying device for high-boiling-point methacrylate products comprises a product rectifying kettle, a product rectifying tower, a primary condenser, a secondary condenser, a reflux ratio controller, a heat-conducting oil storage tank, a heat-conducting oil transmission pump, a heat-conducting oil primary condenser, a heat-conducting oil secondary condenser, a gas-liquid separator, a heat-conducting oil expansion tank and a kettle residue cooling tank, wherein two outlets at the upper part of the rectifying kettle are connected with an inlet of the rectifying tower, a liquid to be rectified and nitrogen respectively enter inlets at the left side and the right side of the upper part of the rectifying kettle, a lower port of the rectifying kettle is connected with an inlet of the kettle residue cooling tank, a discharge port at the top of the rectifying tower is connected with an inlet of the primary condenser, an outlet of the primary condenser is connected with an inlet of the secondary condenser, an outlet of the secondary condenser is connected with an inlet of the reflux ratio controller, an outlet of the reflux ratio controller is connected with a finished product tank, a reflux port is connected with a reflux pipe at the top of the rectifying kettle, a jacket is arranged at the lower part of the rectifying kettle, an outlet of the jacket is connected with an inlet of the gas-liquid separator, the outlet of the gas-liquid separator is connected with a heat-conducting oil expansion tank, the outlet of the gas-liquid separator is connected with the inlet of a heat-conducting oil conveying pump, the outlet of the heat-conducting oil conveying pump is connected with the inlet of a heat-conducting oil first-stage condenser, the outlet of the heat-conducting oil first-stage condenser is connected with the inlet of a heat-conducting oil second-stage condenser, and the outlet of the heat-conducting oil second-stage condenser is respectively connected with the inlet of a heat-conducting oil jacket and the inlet of a heat-conducting oil storage tank.
The heat conduction oil first-stage condenser adopts water as a cooling medium, and the heat conduction oil second-stage condenser adopts ethylene glycol as a cooling medium.
The lower port of the kettle residue cooling tank is connected with an external storage tank, and the upper part and the side inlet of the kettle residue cooling tank are connected with a circulating cooling water return pipe.
The utility model has the advantages that: the heat conducting oil is used as a heating medium of the high-boiling-point methacrylate product, and the high-boiling-point methacrylate product has the characteristics of high heating temperature, uniform heating, large evaporation capacity and the like, and realizes energy conservation and cost reduction.
The method has the characteristics of uniform heating, large evaporation capacity, low energy consumption and the like for methacrylate products with high boiling point and large viscosity.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1, a rectifying kettle; 2, a rectifying tower; 3, a first-stage condenser; 4, a secondary condenser; 5 a reflux ratio controller; 6, a heat-conducting oil expansion tank; 7 gas-liquid separator; 8, a heat-conducting oil delivery pump and 9 a heat-conducting oil primary condenser; 10 heat conducting oil secondary condenser; 11 a heat conducting oil storage tank; 12 kettle residue cooling tank.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
Two outlets at the upper part of a rectifying still 1 are connected with an inlet of a rectifying tower 2, the inlets at the left side and the right side of the upper part of the rectifying still 1 are respectively used for entering liquid to be rectified and nitrogen, the lower port of the rectifying still 1 is connected with an inlet of a kettle residue cooling tank 12, a material outlet of the rectifying tower 2 is connected with an inlet of a primary condenser 3, an outlet of the primary condenser 3 is connected with an inlet of a secondary condenser 4, an outlet of the secondary condenser 4 is connected with an inlet of a reflux ratio controller 5, an outlet of the reflux ratio controller 5 is connected with a finished product tank, a reflux port is connected with a tower top reflux pipe, the lower part of the rectifying still 1 is provided with a jacket, an outlet of the jacket is connected with an inlet of a gas-liquid separator 7, an outlet of the gas-liquid separator 7 is connected with a heat-conducting oil expansion tank 6, an outlet of the gas-liquid separator 7 is connected with an inlet of a heat-conducting oil conveying pump 8, an outlet of the heat-oil conveying pump 8 is connected with an inlet of the heat-conducting oil primary condenser 9, an outlet of the primary condenser 9 is connected with an inlet of the heat-conducting oil condenser 10, the outlet of the heat-conducting oil secondary condenser 10 is respectively connected with the inlet of the heat-conducting oil jacket and the inlet of the heat-conducting oil storage tank 11.
The working process is as follows: during product rectification, heat conduction oil enters a rectifying kettle jacket from a heat conduction oil storage tank through a conveying pump, the heat conduction oil is heated through a resistance wire in the jacket, the temperature is gradually increased, a product enters a rectifying tower 2 from a gas outlet of a rectifying kettle 1 for rectification, after twice condensation through a first-stage condenser 3 and a second-stage condenser 4, a reflux ratio distributor 5 is controlled by an electric valve, part of the material flows back to the rectifying tower 2 through a reflux pipeline, and part of the material is collected into a product tank. And stopping heating after the rectification is finished, feeding the liquid in the kettle into the kettle residue cooling tank 12 from the bottom outlet, cooling, barreling and reusing the liquid in the kettle to the reaction unit. Nitrogen is introduced into the jacket, the heat conduction oil in the jacket enters a gas-liquid separator 7 through an outlet while cooling, the gas enters a heat conduction oil expansion tank 6 and flows back to the gas-liquid separator 7 after being cooled, the liquid enters a heat conduction oil primary condenser 9 through a heat conduction oil delivery pump 8, water serving as a cooling medium can be used in a reaction unit after being heated after heat exchange, and then enters a heat conduction oil storage tank 11 after being condensed by a heat conduction oil secondary condenser 10.
Claims (4)
1. A high boiling point methacrylate class product rectifier unit which characterized in that: two outlets at the upper part of a rectifying still (1) are connected with an inlet of a rectifying tower (2), inlets at the left side and the right side of the upper part of the rectifying still (1) respectively enter a liquid to be rectified and nitrogen, a lower port of the rectifying still (1) is connected with an inlet of a still residue cooling tank (12), an ejection material port of the rectifying tower (2) is connected with an inlet of a primary condenser (3), an outlet of the primary condenser (3) is connected with an inlet of a secondary condenser (4), an outlet of the secondary condenser (4) is connected with an inlet of a reflux ratio controller (5), an extraction outlet of the reflux ratio controller (5) is connected with a finished product tank, a reflux port is connected with a tower top reflux pipe, the lower part of the rectifying still (1) is provided with a jacket, an outlet of the jacket is connected with an inlet of a gas-liquid heat-conducting oil separator (7), an upper outlet of the gas-liquid heat-conducting oil separator (7) is connected with a heat-oil expansion tank (6), a lower outlet of the gas-liquid separator (7) is connected with an inlet of a delivery pump (8), an outlet of the gas-liquid heat-conducting oil delivery pump (8) is connected with an inlet of the primary condenser (9), the outlet of the heat conduction oil first-stage condenser (9) is connected with the inlet of the heat conduction oil second-stage condenser (10), and the outlet of the heat conduction oil second-stage condenser (10) is respectively connected with the inlet of the heat conduction oil jacket and the inlet of the heat conduction oil storage tank (11).
2. The rectification apparatus for high boiling point methacrylic acid esters according to claim 1, wherein: the heat conducting oil primary condenser (9) adopts water as a cooling medium.
3. The rectification apparatus for high boiling point methacrylic acid esters according to claim 1, wherein: the heat conducting oil secondary condenser (10) adopts ethylene glycol as a cooling medium.
4. The rectification apparatus for high boiling point methacrylic acid esters according to claim 1, wherein: the lower opening of the kettle residue cooling tank (12) is connected with an external storage tank, and the upper part and the side inlet of the kettle residue cooling tank (12) are connected with a circulating cooling water return pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122563555.5U CN215962204U (en) | 2021-10-25 | 2021-10-25 | High boiling point methacrylate class product rectifier unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122563555.5U CN215962204U (en) | 2021-10-25 | 2021-10-25 | High boiling point methacrylate class product rectifier unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215962204U true CN215962204U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122563555.5U Active CN215962204U (en) | 2021-10-25 | 2021-10-25 | High boiling point methacrylate class product rectifier unit |
Country Status (1)
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| CN (1) | CN215962204U (en) |
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2021
- 2021-10-25 CN CN202122563555.5U patent/CN215962204U/en active Active
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