CN207254050U - A kind of exhaust treatment system of polyethers device - Google Patents
A kind of exhaust treatment system of polyethers device Download PDFInfo
- Publication number
- CN207254050U CN207254050U CN201721023510.6U CN201721023510U CN207254050U CN 207254050 U CN207254050 U CN 207254050U CN 201721023510 U CN201721023510 U CN 201721023510U CN 207254050 U CN207254050 U CN 207254050U
- Authority
- CN
- China
- Prior art keywords
- polyethers
- tail gas
- absorption tower
- treatment system
- surge tank
- Prior art date
- 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.)
- Active
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
It the utility model is related to technical field of environmental protection in chemical industry, and in particular to a kind of exhaust treatment system.A kind of exhaust treatment system of polyethers device, including the engine manifold being connected with polyethers device, respectively high-temperature tail gas manifold, room temperature engine manifold, high-temperature tail gas manifold is sequentially connected heat exchanger, surge tank, room temperature engine manifold also connects surge tank, the top gas phase connection absorption tower of surge tank, the exterior waste water disposal facility of bottom liquid phases connection of surge tank.Liquid in the tower reactor of absorption tower is connected by circulating pump with the spray equipment in the tower top of absorption tower, and absorption tower tower top is equipped with the tail gas discharging pipe of inside and outside unicom.Due to the adoption of the above technical scheme, the utility model simple and effective can handle high temperature and the room temperature tail gas problem that the take-off of polyethers equipment safety valve produces.
Description
Technical field
It the utility model is related to technical field of environmental protection in chemical industry, and in particular to a kind of exhaust treatment system.
Background technology
Polyether polyol is that sudden reaction is made in the presence of a catalyst by initiator and ethylene oxide, propylene oxide etc.,
About 150~180 DEG C of reaction temperature, 0.3~0.35MPaG of reaction pressure.Ethylene oxide, propylene oxide meter in its reaction unit
Amount and reaction kettle are press device, and the tail gas of releasing after existing built polyethers equipment safety valve take-off is generally straight by high-altitude
Run in and put, larger pollution is caused to environment.
In recent years, as environmental protection and the raising of safety requirements, the safety valve exhaust emissions problem of built polyethers device are badly in need of
Solve.
Utility model content
The purpose of this utility model is that, there is provided a kind of exhaust treatment system of polyethers device, solves above technical problem.
The technical problem that the utility model is solved can be realized using following technical scheme：
A kind of exhaust treatment system of polyethers device, including the engine manifold being connected with polyethers device, the engine manifold
For two, respectively collect the high-temperature tail gas manifold for the high-temperature tail gas that polyethers device reaction device is released, collect the metering of polyethers device
The room temperature engine manifold for the room temperature tail gas that tank is released；
The high-temperature tail gas manifold is sequentially connected heat exchanger, surge tank, and the room temperature engine manifold also connects the buffering
Tank, the top gas phase connection absorption tower of the surge tank, the exterior waste water disposal facility of bottom liquid phases connection of the surge tank；
Liquid in the absorption tower tower reactor is connected, institute by circulating pump with the spray equipment in the absorption tower tower top
State the tail gas discharging pipe that absorption tower tower top is equipped with inside and outside unicom.
The utility model distinguishes the medium that polyethers device is released according to temperature, and polyethers device exhaust is delivered to two tails
Gas manifold, the high-temperature tail gas that polyethers device is released first are condensed through heat exchanger, and condensed tail gas is largely condensable, and heat exchanger will
Heat in high-temperature tail gas takes away major part, can reduce and water consumption is sprayed in absorption tower, reduces energy consumption.Condensed tail gas connects again
Enter in surge tank.And the low temperature exhaust gas that polyethers device is released is directly connected to surge tank.Into the tail gas of surge tank, gas-liquid point is carried out
From, liquid phase by pipeline self to wastewater treatment at, gas phase enters absorption tower.The circulating pump on absorption tower, by liquid in tower reactor
Circulated sprinkling, is handled tail gas absorption through recirculated water, tail gas discharging pipe high altitude discharge of the tail gas through tower top after qualification.This practicality
It is new by above-mentioned design after, can the high temperature that produces of simple and effective processing polyethers equipment safety valve take-off and room temperature tail gas ask
Topic.
The high-temperature tail gas manifold is equipped with for detecting whether there is the first pressure transmitter for medium of releasing；
The heat exchanger is equipped with heat exchange cycle water lines, and the heat exchange cycle water lines are equipped with the first stop valve；
Pipeline between the circulating pump and the spray equipment is equipped with the second stop valve；
The first pressure transmitter control with first stop valve, second stop valve, the circulating pump respectively
End linkage processed.After polyethers device reaction device safety valve jumping up, the total overpressure instantaneous variation of high-temperature tail gas, first pressure pick-up
Device provides signal, opens the first stop valve on the recirculated water connected on heat exchanger, the high temperature using recirculated water to generation of releasing
Medium cools down；Meanwhile first pressure transmitter provides signal, second on circulating pump and absorption tower Sprayer Circulation waterpipe is opened
Stop valve, starts the circulatory system on absorption tower.
The room temperature engine manifold is equipped with for detecting whether there is the second pressure transmitter for medium of releasing, and described second
Pressure transmitter links with the control terminal of second stop valve, the circulating pump respectively.When polyethers device measuring tank safety valve
After take-off, pressure instantaneous variation in room temperature engine manifold, second pressure transmitter provides signal, opens circulating pump and absorption tower spray
The second stop valve on circulating water pipeline is drenched, starts the circulatory system on absorption tower.
The gas input of the surge tank is also connected with polyethers device measuring tank safety valve exhaust gas collecting pipe.For buffering
EO, PO tail gas.
The absorption tower tower top is equipped with industry water inlet tube, and the industry water inlet tube is equipped with inlet valve；
COD detecting elements are equipped with the absorption tower tower reactor, COD detecting elements connect the inlet valve by control circuit
Control terminal.On absorption tower, tower top sets industrial water inlet, when absorption tower tower reactor organic concentration is higher than setting value, for mending
Fill shower water.
The absorption tower tower reactor is equipped with the first liquid level gauge of the liquid in detection tower reactor；
One end connection absorption tower tower reactor of the circulating pump, the other end connect spray equipment and liquid delivery tube respectively, institute
State liquid delivery tube and be equipped with the 3rd stop valve；
The first liquid level gauge links with the 3rd stop valve.When the liquid level in the tower reactor of absorption tower is excessive or tower reactor concentration
When excessive, the 3rd stop valve on the chain circulating-pump outlet pipeline of first liquid level gauge, exterior sewage is delivered to by liquid in tower reactor
Pond.
Beneficial effect：Due to the adoption of the above technical scheme, the utility model can simple and effective processing polyethers equipment safety
The high temperature and room temperature tail gas problem that valve take-off produces.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of the utility model.
Embodiment
In order to make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, under
Face, which combines to be specifically illustrating, is expanded on further the utility model.
With reference to Fig. 1, a kind of exhaust treatment system of polyethers device, including the engine manifold being connected with polyethers device, tail gas
Manifold is two, respectively collects the high-temperature tail gas manifold 5 for the high-temperature tail gas that polyethers device reaction device is released, collects polyethers device
The room temperature engine manifold 6 for the room temperature tail gas that measuring tank is released.High-temperature tail gas manifold 5 is sequentially connected heat exchanger 1, surge tank 2, room temperature
Engine manifold 6 also connects surge tank 2.The utility model distinguishes the medium that polyethers device is released according to temperature, by polyethers device
Tail gas is delivered to two engine manifolds, and the high-temperature tail gas that polyethers device is released first is condensed through heat exchanger 1, the condensed big portion of tail gas
Point condensable, the heat in high-temperature tail gas is taken away major part by heat exchanger 1, can reduce and water consumption is sprayed in absorption tower 3, reduces energy
Consumption.Condensed tail gas accesses in surge tank 2 again.And the low temperature exhaust gas that polyethers device is released is directly connected to surge tank 2.
Heat exchanger 1 is equipped with heat exchange cycle water lines, and heat exchange cycle water lines are equipped with the first stop valve 11.
The top gas phase connection absorption tower 3 of surge tank 2, the exterior waste water disposal facility of bottom liquid phases connection of surge tank 2.Into
Enter the tail gas of surge tank 2, carry out gas-liquid separation, liquid phase by pipeline self to wastewater treatment at, gas phase enters absorption tower 3.
The gas input of surge tank 2 is also connected with polyethers device measuring tank safety valve exhaust gas collecting pipe, for buffering EO, PO tail gas.
Liquid in 3 tower reactor of absorption tower is connected respectively with the spray equipment in 3 tower top of absorption tower by circulating pump 4 and liquid
Body delivery pipe connects, and the pipeline between circulating pump 4 and spray equipment is equipped with the second stop valve 31.Liquid delivery tube is dirty with outside
Pond connects, and liquid delivery tube is equipped with the 3rd stop valve 32.3 tower reactor of absorption tower is equipped with the first liquid of the liquid in detection tower reactor
Position meter 33, first liquid level gauge 33 links with the 3rd stop valve 32.When the liquid level in 3 tower reactor of absorption tower is excessive or tower reactor excessive concentration
When, chain 3rd stop valve 32 of first liquid level gauge 33, exterior cesspool is delivered to by liquid in tower reactor.
3 tower top of absorption tower is equipped with the tail gas discharging pipe 34 of inside and outside unicom.The circulating pump 4 on absorption tower 3, liquid in tower reactor is followed
Ring spray is drenched, and tail gas absorption is handled through recirculated water, tail gas discharging pipe 34 high altitude discharge of the tail gas through tower top after qualification.
3 tower top of absorption tower is additionally provided with industry water inlet tube 35.Industry water inlet tube 35 is equipped with inlet valve.3 tower of absorption tower
COD detecting elements are equipped with kettle, COD detecting elements connect the control terminal of inlet valve by control circuit.On absorption tower, 3 tower top is set
Industrial water inlet is put, when 3 tower reactor organic concentration is higher than setting value when absorption tower, for supplementing shower water.
High-temperature tail gas manifold 5 is equipped with for detecting whether there is the first pressure transmitter 51 for medium of releasing.First pressure
Transmitter 51 links with the control terminal of the first stop valve 11, the second stop valve 31, circulating pump 4 respectively.When polyethers device reaction device
After safety valve jumping up, pressure instantaneous variation in high-temperature tail gas manifold 5, first pressure transmitter 51 provides signal, opens heat exchanger 1
The first stop valve 11 on the recirculated water of upper connection, cools down the high-temperature medium for generation of releasing using recirculated water；Meanwhile first presses
Power transmitter 51 provides signal, opens the second stop valve 31 on 3 Sprayer Circulation waterpipe of circulating pump 4 and absorption tower, starts and inhales
Receive the circulatory system of tower 3.
Room temperature engine manifold 6 is equipped with for detecting whether there is the second pressure transmitter 61 for medium of releasing.Second pressure
Transmitter 61 links with the control terminal of the second stop valve 31, circulating pump 4 respectively.After polyethers device measuring tank safety valve jumping up,
Pressure instantaneous variation in room temperature engine manifold 6, second pressure transmitter 61 provide signal, open circulating pump 4 and absorption tower 3 sprays
The second stop valve 31 on circulating water pipeline, starts the circulatory system on absorption tower 3.
The advantages of basic principle and main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply illustrate the utility model principle, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed scope is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of exhaust treatment system of polyethers device, including the engine manifold being connected with polyethers device, it is characterised in that described
Engine manifold is two, respectively collects the high-temperature tail gas manifold for the high-temperature tail gas that polyethers device reaction device is released, collects polyethers
The room temperature engine manifold for the room temperature tail gas that device measuring tank is released；
The high-temperature tail gas manifold is sequentially connected heat exchanger, surge tank, and the room temperature engine manifold also connects the surge tank, institute
State the top gas phase connection absorption tower of surge tank, the exterior waste water disposal facility of bottom liquid phases connection of the surge tank；
Liquid in the absorption tower tower reactor is connected, the suction by circulating pump with the spray equipment in the absorption tower tower top
Receive the tail gas discharging pipe that column overhead is equipped with inside and outside unicom.
2. the exhaust treatment system of a kind of polyethers device according to claim 1, it is characterised in that the high-temperature tail gas is total
Pipe is equipped with for detecting whether there is the first pressure transmitter for medium of releasing；
The heat exchanger is equipped with heat exchange cycle water lines, and the heat exchange cycle water lines are equipped with the first stop valve；
Pipeline between the circulating pump and the spray equipment is equipped with the second stop valve；
The first pressure transmitter respectively with first stop valve, second stop valve, the circulating pump control terminal
Linkage.
3. the exhaust treatment system of a kind of polyethers device according to claim 1, it is characterised in that the room temperature tail gas is total
Pipe is equipped with for detecting whether there is the second pressure transmitter for medium of releasing；
Pipeline between the circulating pump and the spray equipment is equipped with the second stop valve；
The second pressure transmitter links with the control terminal of second stop valve, the circulating pump respectively.
4. the exhaust treatment system of a kind of polyethers device according to claim 2, it is characterised in that the room temperature tail gas is total
Pipe is equipped with for detecting whether there is the second pressure transmitter for medium of releasing, and the second pressure transmitter is respectively with described the
The control terminal linkage of two stop valves, the circulating pump.
A kind of 5. exhaust treatment system of polyethers device according to claim 1, it is characterised in that the gas of the surge tank
Body input terminal is also connected with polyethers device measuring tank safety valve exhaust gas collecting pipe.
A kind of 6. exhaust treatment system of polyethers device according to claim 1, it is characterised in that the absorption tower tower top
Equipped with industry water inlet tube, the industry water inlet tube is equipped with inlet valve；
COD detecting elements are equipped with the absorption tower tower reactor, COD detecting elements connect the control of the inlet valve by control circuit
End processed.
A kind of 7. exhaust treatment system of polyethers device according to claim 1 or 6, it is characterised in that the absorption tower
Tower reactor is equipped with the first liquid level gauge of the liquid in detection tower reactor；
One end connection absorption tower tower reactor of the circulating pump, the other end connect spray equipment and liquid delivery tube, the liquid respectively
Body delivery pipe is equipped with the 3rd stop valve；
The first liquid level gauge links with the 3rd stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721023510.6U CN207254050U (en) | 2017-08-16 | 2017-08-16 | A kind of exhaust treatment system of polyethers device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721023510.6U CN207254050U (en) | 2017-08-16 | 2017-08-16 | A kind of exhaust treatment system of polyethers device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207254050U true CN207254050U (en) | 2018-04-20 |
Family
ID=61925127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721023510.6U Active CN207254050U (en) | 2017-08-16 | 2017-08-16 | A kind of exhaust treatment system of polyethers device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207254050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085085A (en) * | 2019-12-10 | 2020-05-01 | 北方天普纤维素有限公司 | Methyl cellulose ether tail gas recovery device and method |
-
2017
- 2017-08-16 CN CN201721023510.6U patent/CN207254050U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085085A (en) * | 2019-12-10 | 2020-05-01 | 北方天普纤维素有限公司 | Methyl cellulose ether tail gas recovery device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203656903U (en) | Boiler blow-down drainage waste heat cascade utilization device | |
| CN205151801U (en) | Automatic medicament feeding system | |
| CN207254050U (en) | A kind of exhaust treatment system of polyethers device | |
| CN201507918U (en) | Recovery device for steam condensate of boiler | |
| CN206386914U (en) | A kind of exhaust steam recovery control system | |
| CN207221672U (en) | A kind of efficient water soluble acidity or alkaline gas absorption treating device | |
| CN207929003U (en) | A kind of novel denitration system of power plant | |
| CN202766357U (en) | Anaerobic treatment device of acrylic acid and ester mixing production waste water | |
| CN208878261U (en) | A kind of furfural exhaust gas recycling and processing device | |
| CN205832676U (en) | The reclamation of condensate water of a kind of Chinese medicine extraction liquid utilizes device | |
| CN210645198U (en) | High-temperature gas negative pressure suction, condensation and compression treatment device | |
| CN209165369U (en) | Benzene Chloride steam condensate recycling system | |
| CN203223345U (en) | Water injection vacuum set with condensation function | |
| CN207734816U (en) | A kind of fluorine removal device of high fluorine troilite production sulfuric acid | |
| CN206652378U (en) | The ammoniacal liquor preparation system of desulfurizing tower tail gas clean-up absorption | |
| CN206214994U (en) | A kind of multistage emission-control equipment | |
| CN201746349U (en) | Cold closed type water treatment system in cold rolling plant | |
| CN201327018Y (en) | Steam condensate recovery device | |
| CN218608764U (en) | Special niter smoke absorption treatment device | |
| CN204607766U (en) | A kind of Waste water concentrating system | |
| CN211562276U (en) | Waste gas purification device suitable for production of phenolic resin adhesive | |
| CN204522690U (en) | Tail gas cooling, purifying spray column | |
| CN218221780U (en) | Waste gas treatment device for wastewater pool | |
| CN213453598U (en) | Steam condensate recovery device | |
| CN212757276U (en) | Water channel circulation system is drawed to plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |