CN209797815U - Trioxymethylene refining system - Google Patents
Trioxymethylene refining system Download PDFInfo
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- CN209797815U CN209797815U CN201920094479.8U CN201920094479U CN209797815U CN 209797815 U CN209797815 U CN 209797815U CN 201920094479 U CN201920094479 U CN 201920094479U CN 209797815 U CN209797815 U CN 209797815U
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- extractant recovery
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides a trioxymethylene system of refining, includes extractant recovery system and product collecting system, extractant recovery system includes extractant recovery tower, reboiler, condenser, reflux drum, backwash pump, product collecting system includes bottom of the tower discharge pump, product heat exchanger, product jar and nonconforming product recovery jar. The system reduces the energy consumption of a steam and hot water system and equipment, reduces the complexity of the process, shortens the production process, has more flexible and concise system adjustment, can obtain a final product more quickly, and can adjust in time when the system fluctuates to prevent the product from being polluted.
Description
Technical Field
The utility model relates to a field of production gather methoxy dimethyl ether (DMMn), concretely relates to trioxymethylene refining system.
Background
In the traditional trioxymethylene synthesis process, a de-weighting treatment process with complex process is included, and the process not only increases the system energy consumption (such as reboiler steam cost, machine pump operation cost and the like) and the production cost, but also complicates the process flow, increases the operation intensity of workers and causes the instability of the system.
disclosure of Invention
The utility model discloses to the problem that above-mentioned prior art exists with not enough, reform transform current trioxymethylene synthesis technology, provide a system consumption is less, the simple trioxymethylene system of refining of process flow.
The utility model discloses a realize through following technical scheme: the utility model provides a trioxymethylene system of refining, includes extractant recovery system and product collecting system, extractant recovery system includes extractant recovery tower, reboiler, condenser, reflux drum, backwash pump, product collecting system includes bottom of the tower discharge pump, product heat exchanger, product jar and nonconforming product recovery jar.
Further, the bottom of the extractant recovery tower 101 is connected with a reboiler 201 through a pipeline, the top of the reboiler is connected with the extractant recovery tower 101 through a reboiler gas phase pipe, the top of the extractant recovery tower 101 is connected with a condenser through a pipeline, the condenser is connected with a reflux tank through a pipeline, and the reflux tank is connected with the extractant recovery tower through a reflux pump.
Further, the bottom of the extraction agent recovery tower 101 is connected with a discharge pump at the bottom of the tower through a pipeline, then the pipeline is divided into two branches, one branch is connected with a qualified product storage tank through a heat exchanger, and the other branch is connected with an unqualified product recovery tank through a pipeline.
The utility model has the advantages that: compared with the prior art, the system reduces the energy consumption of steam and hot water systems and equipment, reduces the complexity of the process, shortens the production process, is more flexible and concise in system adjustment, can quickly take out the final product in advance, and can timely adjust when the system fluctuates, thereby preventing the product from being polluted.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
101-extractant recovery tower, 201-reboiler, 202-heat exchanger, 203-condenser, 301-discharge pump, 302-reflux pump, 401-reflux tank, 402-qualified product storage tank and 403-unqualified product recovery tank.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
A trioxymethylene refining system comprises an extractant recovery system and a product collection system, wherein the extractant recovery system comprises an extractant recovery tower 101, a reboiler 201, a condenser 203, a reflux tank 401 and a reflux pump 302, the product collection system comprises a tower bottom discharge pump 301, a heat exchanger 202, a qualified product storage tank 402 and a unqualified product recovery tank 403, the tower bottom of the extractant recovery tower 101 is connected with the reboiler 201 through a pipeline, the top of the reboiler 201 is connected with the extractant recovery tower 101 through a 201 gas phase pipe, the tower top of the extractant recovery tower 101 is connected with the condenser 203 through a pipeline, the condenser 203 is connected with the reflux tank 401 through a pipeline, the reflux tank 401 is connected with the extractant recovery tower 101 through the reflux pump 302, the tower bottom of the extractant recovery tower 101 is connected with the tower bottom discharge pump 301 through a pipeline, then the pipeline is divided into two branches, and one branch is connected with the qualified product storage tank 402 through the heat exchanger 202, the other branch is connected with a defective product recovery tank 403 through a pipeline.
The utility model discloses a work flow as follows:
(1) Dehydrating the extract phase and then feeding the extract phase into an extractant recovery tower 101, when the liquid level of the bottom of the extractant recovery tower 101 is 30%, putting a reboiler 201 into the extractor recovery tower 101, raising the temperature to 110-;
(2) when the discharging concentration of the trioxymethylene at the bottom of the extractant recovery tower is unqualified (namely the concentration of the trioxymethylene is less than 99.5%), the process is changed to a second branch, the discharging pump 301 at the bottom of the tower is started, and the unqualified trioxymethylene is sent to an unqualified product recovery tank 403 for further refining.
Claims (1)
1. A trioxymethylene refining system comprises an extracting agent recovery system and a product collection system, and is characterized in that: the extractant recovery system comprises an extractant recovery tower (101), a reboiler (201), a condenser (203), a reflux tank (401) and a reflux pump (302), and the product collection system comprises a tower bottom discharge pump (301), a product heat exchanger (202), a product tank and an unqualified product recovery tank (403); the bottom of the extractant recovery tower (101) is connected with a reboiler (201) through a pipeline, and the top of the reboiler (201) is connected with the extractant recovery tower (101) through a gas phase pipe of the reboiler (201); the top of the extractant recovery tower (101) is connected with a condenser (203) through a pipeline, the condenser (203) is connected with a reflux tank (401) through a pipeline, and the reflux tank (401) is connected with the extractant recovery tower (101) through a reflux pump (302); the bottom of the extractant recovery tower (101) is connected with a discharge pump (301) at the bottom of the tower through a pipeline, then the pipeline is divided into two branches, one branch is connected with a qualified product storage tank (402) through a heat exchanger (202), and the other branch is connected with an unqualified product recovery tank (403) through a pipeline.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920094479.8U CN209797815U (en) | 2019-01-21 | 2019-01-21 | Trioxymethylene refining system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920094479.8U CN209797815U (en) | 2019-01-21 | 2019-01-21 | Trioxymethylene refining system |
Publications (1)
Publication Number | Publication Date |
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CN209797815U true CN209797815U (en) | 2019-12-17 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920094479.8U Active CN209797815U (en) | 2019-01-21 | 2019-01-21 | Trioxymethylene refining system |
Country Status (1)
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CN (1) | CN209797815U (en) |
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2019
- 2019-01-21 CN CN201920094479.8U patent/CN209797815U/en active Active
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