CN207307549U - A kind of vacuum drying oven organic gas cools down retracting device - Google Patents
A kind of vacuum drying oven organic gas cools down retracting device Download PDFInfo
- Publication number
- CN207307549U CN207307549U CN201721109190.6U CN201721109190U CN207307549U CN 207307549 U CN207307549 U CN 207307549U CN 201721109190 U CN201721109190 U CN 201721109190U CN 207307549 U CN207307549 U CN 207307549U
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- gas
- pipeline
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- vacuum drying
- drying oven
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Abstract
The utility model discloses a kind of vacuum drying oven organic gas to cool down retracting device, including surge tank, the air inlet of the surge tank connect the Waste gas outlet of vacuum drying oven by pipeline；The exhaust outlet of the surge tank connects the air inlet of air compressor by pipeline；The gas outlet of the air compressor connects the air inlet of heat exchanger by pipeline；The gas outlet of the heat exchanger connects the air inlet of the first gas-liquid separator by pipeline, water in catch box is pumped into shower spray device and is sprayed by the utility model by booster pump, the collection liquid of whole system catch box can be utilized always, the collection liquid in catch box is in the closed environment of a circulation at the same time, the volatilization of methanol can so be reduced, and two level gas-liquid separation device is used, the methanol content discharged with exhaust gas is so avoided to greatest extent.
Description
Technical field
Chemical field is the utility model is related to, retracting device is cooled down more particularly, to a kind of vacuum drying oven organic gas.
Background technology
Vacuum drying oven, is that dried material is under condition of negative pressure to a kind of box-type drying equipment being dried.It
Operation principle is to carry out pumping dehumidifier using vacuum pump, makes to form vacuum state in operating room, reduces the boiling point of water, accelerates drying
Speed.
Contain substantial amounts of methanol in the tail gas of vacuum drying oven, therefore most producers can all carry out methanol using equipment at present
Recycling, so that increase economic efficiency, but the current retracting device rate of recovery is very low, it is difficult to achieve the desired results.
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 vacuum drying oven organic gas cools down retracting device, including surge tank, the air inlet of the surge tank pass through pipe
Road connects the Waste gas outlet of vacuum drying oven, and the cushioning collecting to high-temp waste gas is realized using surge tank；The exhaust of the surge tank
Mouth connects the air inlet of air compressor by pipeline, and heating is compressed to exhaust gas using air compressor；The air compression
The gas outlet of machine connects the air inlet of heat exchanger by pipeline, and cooling coil exhaust gas being passed through in heat exchanger, is utilizing cooler pan
Pipe realizes the cooling of exhaust gas with cold water heat exchange；The gas outlet of the heat exchanger connects the air inlet of the first gas-liquid separator by pipeline
Mouthful, the preliminary gas-liquid separation in exhaust gas is realized by the first gas-liquid separator, can extract be partly dissolved in steam at this time
Methanol；The leakage fluid dram of first gas-liquid separator connects the inlet of catch box, the exhaust of the first gas-liquid separator by pipeline
Mouth connects the air inlet for spraying absorption tower by pipeline, and the inside top position for spraying absorption tower is provided with shower spray device, by spraying
Device water spray is realized and exhaust gas contact, can be dissolved in the methanol in exhaust gas spray in liquid at this time, so as to fulfill the recycling of methanol；
The base bleed mouth for spraying absorption tower connects the air inlet of the second gas-liquid separator by pipeline, utilizes the second gas-liquid separator
Gas-liquid separation is carried out to the moist exhaust gas for spraying absorption tower discharge, is more effectively dissolved in the tide for spraying absorption tower discharge at this time
Methanol in wet exhaust gas is recycled, and is so recycled more thorough；The exhaust outlet of second gas-liquid separator is connect by pipeline
The bleeding point of centrifugal blower；The leakage fluid dram of second gas-liquid separator connects the inlet of catch box by pipeline, sprays absorption
The leakage fluid dram of tower connects the inlet of catch box by pipeline, and the liquid outlet of catch box connects the inlet of shower spray device by liquid back pipe,
And booster pump is installed on liquid back pipe, and the water in catch box is pumped into shower spray device by booster pump and is sprayed, whole system
The collection liquid of catch box can be utilized always, while the collection liquid in catch box is in the closed environment of a circulation, this
Sample can reduce the volatilization of methanol, and use two level gas-liquid separation device, so avoid and discharged with exhaust gas to greatest extent
Methanol content.
As further program of the utility model：Gas is installed on pipeline between the air compressor and heat exchanger
Valve.
As further program of the utility model：Access has pressure gauge on the liquid back pipe, is realized and managed using pressure gauge
Road pressure monitoring.
As further program of the utility model：On the pipeline sprayed between absorption tower and the second gas-liquid separator
Air pump is installed, the conveying fluency of air-flow is improved using air pump.
As further program of the utility model：The exhaust outlet of the centrifugal blower is connected to the exhaust gas discharge being vertically arranged
Pipe.
The beneficial effects of the utility model：The utility model by booster pump by catch box water be pumped into shower spray device in into
Row sprays, and the collection liquid of whole system catch box can be utilized always, while the collection liquid in catch box is in a circulation
Closed environment in, can so reduce the volatilization of methanol, and use two level gas-liquid separation device, so keep away to greatest extent
The methanol content discharged with exhaust gas is exempted from.
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- vacuum drying ovens, 2- surge tanks, 3- air compressors, 4- heat exchangers, the first gas-liquid separators of 5-, 6- leaching
Spray absorption tower, 7- catch boxes, the second gas-liquid separators of 8-, 9- centrifugal blowers, 10- shower spray devices, 11- booster pumps, 12- liquid back pipes.
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 vacuum drying oven organic gas cools down retracting device, including slow
Tank 2 is rushed, the air inlet of the surge tank 2 is connect the Waste gas outlet of vacuum drying oven 1 by pipeline, realized using surge tank 2 to height
The cushioning collecting of warm exhaust gas；The exhaust outlet of the surge tank 2 connects the air inlet of air compressor 3 by pipeline, utilizes air pressure
Contracting machine 3 is compressed exhaust gas heating；The gas outlet of the air compressor 3 connects the air inlet of heat exchanger 4 by pipeline, will be useless
Gas is passed through the cooling coil in heat exchanger 4, and the cooling of exhaust gas is being realized using cooling coil and cold water heat exchange；The heat exchanger 4
Gas outlet the air inlet of the first gas-liquid separator 5 is connect by pipeline, realized by the first gas-liquid separator 5 preliminary in exhaust gas
Gas-liquid separation, can extract the methanol being partly dissolved in steam at this time；The leakage fluid dram of first gas-liquid separator 5 passes through
Pipeline connects the inlet of catch box 7, and the exhaust outlet of the first gas-liquid separator 5 connects the air inlet for spraying absorption tower 6 by pipeline, leaching
Spray absorption tower 6 inside top position shower spray device 10 is installed, by shower spray device 10 spray water realize and exhaust gas contact, at this time
Methanol in exhaust gas is dissolved in and is sprayed in liquid, so as to fulfill the recycling of methanol；The base bleed mouth for spraying absorption tower 6 leads to
Piping connects the air inlet of the second gas-liquid separator 8, is given up using the second gas-liquid separator 8 to the humidity for spraying the discharge of absorption tower 6
Gas carries out gas-liquid separation, and the methanol being more effectively dissolved at this time in the moist exhaust gas for spraying the discharge of absorption tower 6 is recycled,
So recycle more thorough；The exhaust outlet of second gas-liquid separator 8 connects the bleeding point of centrifugal blower 9 by pipeline；It is described
The leakage fluid dram of second gas-liquid separator 8 connects the inlet of catch box 7 by pipeline, and the leakage fluid dram for spraying absorption tower 6 passes through pipeline
The inlet of catch box 7 is connect, the liquid outlet of catch box 7 connects the inlet of shower spray device 10 by liquid back pipe 12, and on liquid back pipe 12
Booster pump 11 is installed, the water in catch box 7 is pumped into shower spray device 10 by booster pump 11 and is sprayed, whole system liquid collecting
The collection liquid of case 7 can be utilized always, while the collection liquid in catch box 7 is in the closed environment of a circulation, so
The volatilization of methanol can be reduced, and uses two level gas-liquid separation device, is so avoided to greatest extent with exhaust gas discharge
Methanol content.
Air valve is installed on pipeline between the air compressor 3 and heat exchanger 4.
Access has pressure gauge on the liquid back pipe 12, realizes that pipeline pressure monitors using pressure gauge.
Air pump is installed on the pipeline sprayed between 6 and second gas-liquid separator 8 of absorption tower, gas is improved using air pump
The conveying fluency of stream.
The exhaust outlet of the centrifugal blower 9 is connected to the exhaust pipe being vertically arranged.
The operation principle of the utility model is：The water in catch box 7 is pumped into shower spray device 10 by booster pump 11 and is carried out
Spray, the collection liquid of whole system catch box 7 can be utilized always, while the collection liquid in catch box 7 is in a circulation
Closed environment in, can so reduce the volatilization of methanol, and use two level gas-liquid separation device, so keep away to greatest extent
The methanol content discharged with exhaust gas is exempted from.
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 vacuum drying oven organic gas cools down retracting device, it is characterised in that including surge tank, the air inlet of the surge tank
Mouth connects the Waste gas outlet of vacuum drying oven by pipeline；The exhaust outlet of the surge tank connects the air inlet of air compressor by pipeline
Mouthful；The gas outlet of the air compressor connects the air inlet of heat exchanger by pipeline；The gas outlet of the heat exchanger passes through pipeline
Connect the air inlet of the first gas-liquid separator；The leakage fluid dram of first gas-liquid separator connects the inlet of catch box by pipeline,
The exhaust outlet of first gas-liquid separator connects the air inlet for spraying absorption tower by pipeline, sprays the inside top position peace on absorption tower
Equipped with shower spray device；The base bleed mouth for spraying absorption tower connects the air inlet of the second gas-liquid separator by pipeline；Described
The exhaust outlet of two gas-liquid separators connects the bleeding point of centrifugal blower by pipeline；The leakage fluid dram of second gas-liquid separator passes through
Pipeline connects the inlet of catch box, and the leakage fluid dram for spraying absorption tower connects the inlet of catch box by pipeline, and catch box goes out liquid
Mouth connects the inlet of shower spray device by liquid back pipe, and booster pump is provided with liquid back pipe.
2. vacuum drying oven organic gas according to claim 1 cools down retracting device, it is characterised in that the air compression
Air valve is installed on pipeline between machine and heat exchanger.
3. vacuum drying oven organic gas according to claim 1 cools down retracting device, it is characterised in that on the liquid back pipe
Access has pressure gauge.
4. vacuum drying oven organic gas according to claim 1 cools down retracting device, it is characterised in that described to spray absorption
Air pump is installed on pipeline between tower and the second gas-liquid separator.
5. vacuum drying oven organic gas according to claim 1 cools down retracting device, it is characterised in that the centrifugal blower
Exhaust outlet be connected to the exhaust pipe being vertically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721109190.6U CN207307549U (en) | 2017-08-31 | 2017-08-31 | A kind of vacuum drying oven organic gas cools down retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721109190.6U CN207307549U (en) | 2017-08-31 | 2017-08-31 | A kind of vacuum drying oven organic gas cools down retracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207307549U true CN207307549U (en) | 2018-05-04 |
Family
ID=62384965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721109190.6U Expired - Fee Related CN207307549U (en) | 2017-08-31 | 2017-08-31 | A kind of vacuum drying oven organic gas cools down retracting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207307549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110917817A (en) * | 2019-11-24 | 2020-03-27 | 南京公汇科技有限公司 | Vacuum treatment device with condensation |
-
2017
- 2017-08-31 CN CN201721109190.6U patent/CN207307549U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110917817A (en) * | 2019-11-24 | 2020-03-27 | 南京公汇科技有限公司 | Vacuum treatment device with condensation |
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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 |
Granted publication date: 20180504 Termination date: 20200831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |