CN206474122U - A kind of device for being used to reclaim DMF gases - Google Patents
A kind of device for being used to reclaim DMF gases Download PDFInfo
- Publication number
- CN206474122U CN206474122U CN201720171103.3U CN201720171103U CN206474122U CN 206474122 U CN206474122 U CN 206474122U CN 201720171103 U CN201720171103 U CN 201720171103U CN 206474122 U CN206474122 U CN 206474122U
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- CN
- China
- Prior art keywords
- dmf
- gases
- recycling
- gas extraction
- gas
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The utility model discloses a kind of device for being used to reclaim DMF gases, belong to polyurethane resin production equipment technical field, including reactor, side at the top of the reactor is provided with gas extraction mouth, the gas extraction mouth is communicated with gas extraction pipeline, the other end of the gas extraction pipeline is communicated with air-introduced machine, and the port of export of the air-introduced machine is communicated with recycling can by gas recovery conduit；The first water condenser is provided with the gas recovery conduit, the recycling can upper end is provided with the second water condenser, the gaseous phase outlet and atmosphere of second water condenser.The utility model by the DMF gases that reaction is not involved in kettle by drawing reactor, liquid is condensed into using water condenser to be stored, the recycling to DMF gases can be achieved, has the advantages that simple in construction, easy to operate and production process is safe, small to personnel and environmental hazard.
Description
Technical field
The utility model is related to polyurethane resin production equipment technical field, and in particular to one kind is used to reclaim DMF gases
Device.
Background technology
When at present, using reactor synthesis of polyurethane naval stores, partial solvent DMF is had in kettle（N, N- dimethyl methyl
Acid amides）Gas is evaporated from reaction mass, and the portion gas is difficult to continue to participate in reaction in kettle.In addition, anti-in synthesis
Often opening kettle cover is needed to add corresponding additive according to production during answering, meanwhile, to ensure in product quality, production process
Many sub-samplings are also needed, part DMF gases are had in the operating process from being evaporated in kettle and being directly discharged to air.At present
The recycling and processing device to part DMF gases is there is no in workshop.If waste gas is without processing, it is directly released into air, meeting
Severe contamination is caused to environment, personal injury is caused to producers, certain wasting of resources is also resulted in enterprise.
The content of the invention
For above technological deficiency, technical problem to be solved in the utility model is to provide a kind of for reclaiming DMF gas
The device of body, the device is condensed into by the way that the DMF gases that reaction is not involved in kettle are drawn into reactor using water condenser
Liquid is stored, and the recycling to DMF gases can be achieved, safe, right with simple in construction, easy to operate and production process
Personnel and the small advantage of environmental hazard.
To solve above technical problem, the technical solution adopted in the utility model is：
A kind of side at the top of device for being used to reclaim DMF gases, including reactor, the reactor is provided with gas and adopted
Outlet, the gas extraction mouth is communicated with gas extraction pipeline, and the other end of the gas extraction pipeline is communicated with air-introduced machine, institute
The port of export for stating air-introduced machine is communicated with recycling can by gas recovery conduit；The first water cooling is provided with the gas recovery conduit
Condenser, the recycling can upper end is provided with the second water condenser, the gaseous phase outlet and atmosphere of second water condenser.
As an improvement scheme, first water condenser is tubular heat exchanger.
As an improvement scheme, magnetic valve is provided between the gas extraction mouth and gas extraction pipeline.
As an improvement scheme, magnetic valve is provided between first water condenser and the recycling can.
Wherein, the reactor bottom is provided with discharging opening.
By adopting the above-described technical solution, the beneficial effects of the utility model are：
Due to a kind of device for being used to reclaim DMF gases that the utility model is provided, it is included at the top of reactor, reactor
Side be provided with gas extraction mouth, gas extraction mouth be communicated with gas extraction pipeline, gas extraction pipeline the other end connection
There is air-introduced machine, the port of export of air-introduced machine is communicated with recycling can by gas recovery conduit；First is provided with gas recovery conduit
The DMF gases volatilized in polyurethane synthetic reaction process in reactor are led to water condensation by this structure of water condenser by pipeline
At device, liquid is condensed into by introducing cooling water by DMF gases, is stored in standby in recycling can, the recovery profit to DMF is realized
With, so that production cost is saved, drop low exhaust gas emission, it is ensured that the production environment of product.Recycling can upper end is provided with the second water cooling
Condenser, the gaseous phase outlet and atmosphere of the second water condenser, this structure can ensure that the pressure in recycling can is maintained at normal pressure shape
State, and further condensing reflux is carried out to the DMF that may be volatilized, it is ensured that the DMF qualified discharges in gaseous phase outlet, it is ensured that work
Environment.
Brief description of the drawings
Fig. 1 is a kind of structural representation for being used to reclaim the device of DMF gases that the utility model is provided；
In figure：1. reactor, 2. discharging openings, 3. gases extraction mouth, 4. magnetic valves, 5. gases extraction pipeline, 6. air-introduced machines,
7. gas recovery conduit, 8. recycling cans, 9. first water condensers, 10. water inlets, 11. delivery ports, 12. second water condensers,
13. cooling water inlet, 14. cooling water outlets, 15. gaseous phase outlets.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.
As shown in figure 1, a kind of device for being used to reclaim DMF gases that the utility model is provided, including reactor 1, reaction
The bottom of kettle 1 is provided with discharging opening 2, and the side at top is provided with gas extraction mouth 3, and gas extraction mouth 3 is communicated with by magnetic valve 4
Gas produces pipeline 5, and the other end of gas extraction pipeline 5 is communicated with air-introduced machine 6, and the port of export of air-introduced machine 6 is reclaimed by gas
Pipeline 7 is communicated with recycling can 8；Magnetic valve 4 is provided between first water condenser 9 and recycling can 8.
As shown in figure 1, being provided with the first water condenser 9 on gas recovery conduit 7, the first water condenser 9 changes for shell and tube
Hot device, its water inlet 10 and delivery port 11 are respectively arranged at below and top.
As shown in figure 1, the top of recycling can 8 is provided with the second water condenser 12, its cooling water inlet 13 and cooling water outlet 14
It is respectively arranged at below and top, gaseous phase outlet 15 and atmosphere.
As shown in figure 1, the utility model is by the DMF gases of volatilization lead in reactor 1 in polyurethane synthetic reaction process
Piping is led at the first water condenser 9, is condensed into liquid by introducing cooling water by DMF gases, is stored in standby in recycling can 8
With, the recycling to DMF is realized, so that production cost is saved, drop low exhaust gas emission, it is ensured that the production environment of product.Simultaneously
The gaseous phase outlet 13 of the second water condenser 12 and atmosphere that the upper end of recycling can 8 is set, make the pressure in recycling can be maintained at normal
Pressure condition, and further condensing reflux is carried out to the DMF that may be volatilized, it is ensured that the DMF qualified discharges in gaseous phase outlet.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New spirit and scope are defined.Therefore, on the premise of the utility model setting design is not departed from, this area ordinary people
The all variations and modifications that member makes to the technical solution of the utility model, all should drop into protection domain of the present utility model,
The claimed technology contents of the utility model, have all been recorded in detail in the claims.
Claims (5)
1. a kind of device for being used to reclaim DMF gases, including reactor, it is characterised in that：Side at the top of the reactor is set
Gas extraction mouth is equipped with, the gas extraction mouth is communicated with gas extraction pipeline, the other end connection of the gas extraction pipeline
There is air-introduced machine, the port of export of the air-introduced machine is communicated with recycling can by gas recovery conduit；Set on the gas recovery conduit
The first water condenser is equipped with, the recycling can upper end is provided with the second water condenser, the gaseous phase outlet of second water condenser
With atmosphere.
2. a kind of device for being used to reclaim DMF gases according to claim 1, it is characterised in that：First water condensation
Device is tubular heat exchanger.
3. a kind of device for being used to reclaim DMF gases according to claim 2, it is characterised in that：The gas produces mouth
Magnetic valve is provided between gas extraction pipeline.
4. a kind of device for being used to reclaim DMF gases according to claim 3, it is characterised in that：First water condensation
Magnetic valve is provided between device and the recycling can.
5. a kind of device for being used to reclaim DMF gases according to claim 4, it is characterised in that：The reactor bottom
It is provided with discharging opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720171103.3U CN206474122U (en) | 2017-02-24 | 2017-02-24 | A kind of device for being used to reclaim DMF gases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720171103.3U CN206474122U (en) | 2017-02-24 | 2017-02-24 | A kind of device for being used to reclaim DMF gases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206474122U true CN206474122U (en) | 2017-09-08 |
Family
ID=59747160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720171103.3U Expired - Fee Related CN206474122U (en) | 2017-02-24 | 2017-02-24 | A kind of device for being used to reclaim DMF gases |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206474122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662203A (en) * | 2020-05-25 | 2020-09-15 | 安徽金禾实业股份有限公司 | Method and device for recycling heat energy of DMF (dimethyl formamide) rectification recovery device |
-
2017
- 2017-02-24 CN CN201720171103.3U patent/CN206474122U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662203A (en) * | 2020-05-25 | 2020-09-15 | 安徽金禾实业股份有限公司 | Method and device for recycling heat energy of DMF (dimethyl formamide) rectification recovery device |
| CN111662203B (en) * | 2020-05-25 | 2023-03-03 | 安徽金禾实业股份有限公司 | Method and device for recycling heat energy of DMF (dimethyl formamide) rectification recycling 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: 20170908 Termination date: 20210224 |