CN207307226U - A kind of methanol rectification recovery system - Google Patents
A kind of methanol rectification recovery system Download PDFInfo
- Publication number
- CN207307226U CN207307226U CN201721107499.1U CN201721107499U CN207307226U CN 207307226 U CN207307226 U CN 207307226U CN 201721107499 U CN201721107499 U CN 201721107499U CN 207307226 U CN207307226 U CN 207307226U
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- pipeline
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Abstract
The utility model discloses a kind of methanol rectification recovery system,Including waste liquid tank,The liquid outlet of the waste liquid tank connects the inlet of filter by pipeline,And water pump is installed on the pipeline between waste liquid tank and filter,The transfer pipeline that the utility model passes through threeway Vavle switching waste liquid tank,So that waste liquid tank exchanges heat through gas-liquid heat-exchange or plate heat exchanger,The heat that can not only utilize high-temp waste gas to produce at this time,The heat of the high temperature concentrating spent liquor of rectifying column can also be utilized at the same time,So as to fulfill two kinds of heat exchange patterns,The waste waste heat so effectively utilized,It is so that overall more energy saving,And heat transmission equipment can be used with unit,So when a certain heat transmission equipment overhauls,Whole equipment is without shutting down,Therefore production efficiency is helped to improve,The high-temp waste gas in waste surge tank realizes the heating to waste liquid at the same time,The temperature of high-temp waste gas is not only reduced at this time,The temperature of waste liquid is also improved at the same time,So accomplish the effect killed two birds with one stone.
Description
Technical field
Field of chemical equipment is the utility model is related to, more particularly, to a kind of methanol rectification recovery system.
Background technology
For Chemical Manufacture, contain substantial amounts of methanol in its tail gas discharged, thus traditional method be pass through by
Methanol in exhaust gas is dissolved in after water, and then waste liquid is distilled, and so as to fulfill the extraction of methanol, but existing methanol returns
Receiving unit needs larger energy consumption heat exchange, while whole equipment needs to shut down during heat transmission equipment maintenance, and overall work pattern does not connect
Continuous, actual extracting cost is very high.
Utility model content
The utility model is to overcome the above situation insufficient, it is desirable to provide a kind of technical solution that can be solved the above problems.
A kind of methanol rectification recovery system, including waste liquid tank, the liquid outlet of the waste liquid tank connect filter by pipeline
Inlet, and water pump is installed on the pipeline between waste liquid tank and filter, it will contain methanol waste liquid in waste liquid tank using water pump
Filtered in suction to filter, so that the suspended matter in waste liquid and residue are removed；The filter goes out liquid
Mouth connects the inlet of gas-liquid heat-exchange and the cold liquid interface of plate heat exchanger, and gas-liquid heat-exchange by pipeline and triple valve
Air inlet connection is docked with the gas outlet of waste surge tank by pipeline, and the exhaust outlet of gas-liquid heat-exchange connects gas by pipeline
The air inlet of liquid/gas separator, realizes the heating to waste liquid using the high-temp waste gas in waste surge tank, not only reduces height at this time
The temperature of warm exhaust gas, while the temperature of waste liquid is also improved, so accomplish the effect killed two birds with one stone, while will through gas-liquid separator
Realize the gas-liquid separation of exhaust gas；The liquid outlet of the gas-liquid heat-exchange connects the inlet of rectifying column by pipeline, utilizes rectifying column
Realize and waste liquid is distilled；The top steam (vapor) outlet of the rectifying column connects the air inlet of the first condenser by pipeline, utilizes first
Condenser realizes and once condenses that the liquid outlet of the first condenser connects the inlet of reboiler by pipeline, and reboiler is to once cold
The solidifying condensate liquid produced heats again to be allowed to evaporate, and the steam (vapor) outlet of reboiler connects the air inlet of the second condenser by pipeline,
The bottom leakage fluid dram of second condenser connects catch box by pipeline；The bottom waste stream outlet of the rectifying column is through liquid back pipe fishplate bar
The hydrothermal solution interface of formula heat exchanger, and the hydrothermal solution outlet of plate heat exchanger connects the inlet of rectifying column by pipeline, passes through triple valve
Switch the transfer pipeline of waste liquid tank, so that waste liquid tank exchanges heat through gas-liquid heat-exchange or plate heat exchanger, at this time not only
The heat that high-temp waste gas can be utilized to produce, while the heat of the high temperature concentrating spent liquor of rectifying column can also be utilized, so as to fulfill
Two kinds of heat exchange patterns, the waste waste heat so effectively utilized, so that it is overall more energy saving, and heat transmission equipment can be single
Machine uses, and so when a certain heat transmission equipment overhauls, whole equipment helps to improve production efficiency without shutting down.
As further program of the utility model：Water is installed on pipeline between first condenser and reboiler
Pump.
As further program of the utility model：Water is installed on pipeline between the gas-liquid heat-exchange and rectifying column
Pump.
As further program of the utility model：It is mounted on pipeline between the plate heat exchanger and rectifying column
Water pump.
As further program of the utility model：The filter uses PP melt-blown filters.
The beneficial effects of the utility model：The utility model by the transfer pipeline of threeway Vavle switching waste liquid tank so that
Obtain waste liquid tank to exchange heat through gas-liquid heat-exchange or plate heat exchanger, the heat that can not only utilize high-temp waste gas to produce at this time,
The heat of the high temperature concentrating spent liquor of rectifying column can also be utilized at the same time, it is so effective to utilize so as to fulfill two kinds of heat exchange patterns
Waste waste heat so that overall more energy saving, and heat transmission equipment can be used with unit, so be examined in a certain heat transmission equipment
When repairing, whole equipment helps to improve production efficiency without shutting down, while the high-temp waste gas realization pair in waste surge tank
The heating of waste liquid, not only reduces the temperature of high-temp waste gas at this time, while also improves the temperature of waste liquid, so accomplishes one action two
The effect obtained.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly by from following description
In become obvious, or recognized by the practice of the utility model.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the utility model structure diagram.
In figure：1- waste liquid tanks, 2- filters, 3- gas-liquid heat-exchanges, 4- gas-liquid separators, 5- rectifying columns, 6- liquid back pipes, 7-
Plate heat exchanger, 8- waste surge tanks, the first condensers of 9-, 10- reboilers, the second condensers of 11-, 12- catch boxes, 13- water
Pump, 14- triple valves.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the utility model embodiment, a kind of methanol rectification recovery system, including waste liquid tank 1, it is described useless
The liquid outlet of flow container 1 connects the inlet of filter 2 by pipeline, and is provided with water on the pipeline between waste liquid tank 1 and filter 2
Pump 13, will be pumped into being filtered in filter 2, so that by waste liquid using water pump 13 in waste liquid tank 1 containing methanol waste liquid
Suspended matter and residue are removed；The liquid outlet of the filter 2 connects gas-liquid heat-exchange 3 by pipeline and triple valve 14
The cold liquid interface of inlet and plate heat exchanger 7, and the air inlet of gas-liquid heat-exchange 3 passes through pipeline and waste surge tank 8
Gas outlet docking connection, and the exhaust outlet of gas-liquid heat-exchange 3 connects the air inlet of gas-liquid separator 4 by pipeline, is delayed using exhaust gas
The high-temp waste gas rushed in case 8 realizes the heating to waste liquid, not only reduces the temperature of high-temp waste gas at this time, while also improve useless
The temperature of liquid, so accomplishes the effect killed two birds with one stone, while the gas-liquid separation of exhaust gas will be realized through gas-liquid separator 4；The gas
The liquid outlet of liquid heat exchanger 3 connects the inlet of rectifying column 5 by pipeline, is realized using rectifying column 5 and waste liquid is distilled；The rectifying
The top steam (vapor) outlet of tower 5 connects the air inlet of the first condenser 9 by pipeline, is realized using the first condenser 9 and once condensed, the
The liquid outlet of one condenser 9 connects the inlet of reboiler 10 by pipeline, and reboiler 10 is to once condensing the condensate liquid of generation again
Secondary heating is allowed to evaporate, and the steam (vapor) outlet of reboiler 10 connects the air inlet of the second condenser 11, the second condenser 11 by pipeline
Bottom leakage fluid dram catch box 12 is connect by pipeline；The bottom waste stream outlet of the rectifying column 5 connects plate-type heat-exchange through liquid back pipe 6
The hydrothermal solution interface of device 7, and the hydrothermal solution outlet of plate heat exchanger 7 connects the inlet of rectifying column 5 by pipeline, is cut by triple valve 14
The transfer pipeline of waste liquid tank 1 is changed, so that waste liquid tank 1 exchanges heat through gas-liquid heat-exchange 3 or plate heat exchanger 7, at this time not
The heat that can only utilize high-temp waste gas to produce, while the heat of the high temperature concentrating spent liquor of rectifying column 5 can also be utilized, so that real
Existing two kinds of heat exchange patterns, the waste waste heat so effectively utilized, so that overall more energy saving, and heat transmission equipment can be with
Unit uses, and so when a certain heat transmission equipment overhauls, whole equipment helps to improve production efficiency without shutting down.
Water pump 13 is installed on pipeline between first condenser 9 and reboiler 10.
Water pump 13 is installed on pipeline between the gas-liquid heat-exchange 3 and rectifying column 5.
Water pump 13 is mounted on pipeline between the plate heat exchanger 7 and rectifying column 5.
The filter 2 uses PP melt-blown filters.
The operation principle of the utility model is：Switch the transfer pipeline of waste liquid tank 1 by triple valve 14, so that waste liquid
Tank 1 exchanges heat through gas-liquid heat-exchange 3 or plate heat exchanger 7, the heat that can not only utilize high-temp waste gas to produce at this time, at the same time
The heat of the high temperature concentrating spent liquor of rectifying column 5 can also be utilized, so as to fulfill two kinds of heat exchange patterns, what is so effectively utilized is useless
Thing waste heat, so that it is overall more energy saving, and heat transmission equipment can be used with unit, so be overhauled in a certain heat transmission equipment
When, whole equipment helps to improve production efficiency without shutting down, while the high-temp waste gas realization pair in waste surge tank 8
The heating of waste liquid, not only reduces the temperature of high-temp waste gas at this time, while also improves the temperature of waste liquid, so accomplishes one action two
The effect obtained.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of methanol rectification recovery system, including waste liquid tank, it is characterised in that the liquid outlet of the waste liquid tank is connect by pipeline
The inlet of filter, and water pump is installed on the pipeline between waste liquid tank and filter；The liquid outlet of the filter passes through
Pipeline and triple valve connect the inlet of gas-liquid heat-exchange and the cold liquid interface of plate heat exchanger, and the air inlet of gas-liquid heat-exchange
Mouth docks connection with the gas outlet of waste surge tank by pipeline, and the exhaust outlet of gas-liquid heat-exchange connects gas-liquid separation by pipeline
The air inlet of device；The liquid outlet of the gas-liquid heat-exchange connects the inlet of rectifying column by pipeline, and the top of the rectifying column is steamed
Vapor outlet connects the air inlet of the first condenser by pipeline, and the liquid outlet of the first condenser connects the feed liquor of reboiler by pipeline
Mouthful, the steam (vapor) outlet of reboiler connects the air inlet of the second condenser by pipeline, and the bottom leakage fluid dram of the second condenser passes through pipe
Road connects catch box；The bottom waste stream outlet of the rectifying column connects the hydrothermal solution interface of plate heat exchanger through liquid back pipe, and board-like changes
The hydrothermal solution outlet of hot device connects the inlet of rectifying column by pipeline.
2. methanol rectification recovery system according to claim 1, it is characterised in that first condenser and reboiler it
Between pipeline on water pump is installed.
3. methanol rectification recovery system according to claim 1, it is characterised in that the gas-liquid heat-exchange and rectifying column it
Between pipeline on water pump is installed.
4. methanol rectification recovery system according to claim 1, it is characterised in that the plate heat exchanger and rectifying column it
Between pipeline on be mounted on water pump.
5. methanol rectification recovery system according to claim 1, it is characterised in that the filter is using PP melt-blown filters
Core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721107499.1U CN207307226U (en) | 2017-08-31 | 2017-08-31 | A kind of methanol rectification recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721107499.1U CN207307226U (en) | 2017-08-31 | 2017-08-31 | A kind of methanol rectification recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207307226U true CN207307226U (en) | 2018-05-04 |
Family
ID=62384782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721107499.1U Expired - Fee Related CN207307226U (en) | 2017-08-31 | 2017-08-31 | A kind of methanol rectification recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207307226U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694288A (en) * | 2019-11-07 | 2020-01-17 | 上海景峰制药有限公司 | Organic solvent recovery system |
| CN113737293A (en) * | 2021-06-30 | 2021-12-03 | 桐昆集团股份有限公司 | Filter element triethylene glycol washs and recycle device |
-
2017
- 2017-08-31 CN CN201721107499.1U patent/CN207307226U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694288A (en) * | 2019-11-07 | 2020-01-17 | 上海景峰制药有限公司 | Organic solvent recovery system |
| CN113737293A (en) * | 2021-06-30 | 2021-12-03 | 桐昆集团股份有限公司 | Filter element triethylene glycol washs and recycle device |
| CN113737293B (en) * | 2021-06-30 | 2022-08-30 | 桐昆集团股份有限公司 | Filter element triethylene glycol washs and recycle device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180504 Termination date: 20200831 |