CN210251797U - Tail gas absorption tower is used in polyether polyol production and processing - Google Patents
Tail gas absorption tower is used in polyether polyol production and processing Download PDFInfo
- Publication number
- CN210251797U CN210251797U CN201921105347.7U CN201921105347U CN210251797U CN 210251797 U CN210251797 U CN 210251797U CN 201921105347 U CN201921105347 U CN 201921105347U CN 210251797 U CN210251797 U CN 210251797U
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- China
- Prior art keywords
- absorption tower
- fixed mounting
- control switch
- tail gas
- tower body
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 52
- 239000004721 Polyphenylene oxide Substances 0.000 title claims abstract description 21
- 229920000570 polyether Polymers 0.000 title claims abstract description 21
- 229920005862 polyol Polymers 0.000 title claims abstract description 21
- 150000003077 polyols Chemical class 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 29
- 239000002912 waste gas Substances 0.000 description 12
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a tail gas absorption tower is used in polyether polyol production and processing, including the base, the equal fixed mounting in both sides on base top has the support frame, the top and the absorption tower body bottom both sides fixed connection of two support frames, and the inside bottom interlude of absorption tower body is connected with the ring pipe, and the air inlet fixed connection that the one end and absorption tower body one side bottom of ring pipe were seted up, one side fixed mounting of air inlet has the aspiration pump, and the air inlet fixed mounting of aspiration pump has the intake pipe. The utility model relates to a tail gas absorption tower is used in polyether polyol production and processing, the liquid pump through the installation sprays the processing with the inside water of liquid reserve tank through the ethylene oxide of shower nozzle in to tail gas, through the ethylene oxide detector of outlet duct department installation, is convenient for observe the ethylene oxide content in the processing back gas, sprays gas once more through communicating pipe if the content is too high, improves tail gas treatment effect.
Description
Technical Field
The utility model relates to a tail gas absorption tower, in particular to tail gas absorption tower is used in polyether polyol production and processing.
Background
The production of polyether polyol is generally carried out by taking micromolecular alcohols or amines as initiator, and carrying out ring-opening polymerization reaction with ethylene oxide and propylene oxide under the action of alkaline catalyst. In the production process, the ethylene oxide and the propylene oxide have trace amount and are difficult to completely react, and the substances affect the quality and the service performance of the polyether polyol and are generally removed by vacuum pumping; the low molecular substances are evaporated into the air during vacuum pumping, which causes environmental pollution and must be treated.
The ethylene oxide in the waste gas generated in the existing polyether polyol production generally adopts condensation measures, the treatment effect is poor, and the environment is easily polluted, so that a tail gas absorption tower for polyether polyol production and processing needs to be designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tail gas absorption tower is used in polyether polyol production and processing to ethylene oxide generally takes the measure of condensation in the waste gas of the production of the current polyether polyol that proposes in solving above-mentioned background art, and the treatment effect is not good, easy polluted environment's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the tail gas absorption tower for polyether polyol production and processing comprises a base, wherein support frames are fixedly mounted on two sides of the top end of the base, the top ends of the two support frames are fixedly connected with two sides of the bottom end of an absorption tower body, a ring-shaped pipe is connected with the bottom end of the inside of the absorption tower body in an inserting manner, one end of the ring-shaped pipe is fixedly connected with a gas inlet arranged at the bottom of one side of the absorption tower body, a gas suction pump is fixedly mounted on one side of the gas inlet, a gas inlet pipe is fixedly mounted at the gas inlet end of the gas suction pump, the other end of the ring-shaped pipe is fixedly connected with a gas outlet arranged at the top of the other side of the absorption tower body in an inserting manner, a gas outlet pipe is connected with the inside of the gas outlet in an inserting, the utility model discloses an absorption tower body, including the annular pipe, the inside bottom of annular pipe is equipped with the one-way breather valve, the inside equal fixed mounting of annular pipe has a plurality of shower nozzle, a plurality of through-hole, a plurality of has been seted up to the inside bottom of annular pipe the inside equal fixed mounting of through-hole has U type pipe, it is equipped with communicating pipe to alternate between the annular pipe, the inside fixed mounting of communicating pipe has the one-way breather valve, the inside top fixed mounting of absorption tower body has the liquid reserve tank, the bottom fixed mounting of the inside of liquid reserve tank has the water.
As a preferred technical scheme of the utility model, the liquid outlet has been seted up to the bottom of absorption tower body, the inside interlude of liquid outlet is connected with the drain pipe, the inside fixed mounting of drain pipe has first solenoid valve.
As an optimal technical scheme of the utility model, the positive fixed mounting of absorption tower body has the level gauge, the sense terminal fixed mounting of level gauge is in one side inner wall of liquid reserve tank.
As an optimized technical scheme of the utility model, the inlet that communicates with the liquid reserve tank is seted up on the top of absorption tower body, the sealing plug is inlayed to the inside of inlet.
As an optimized technical scheme of the utility model, two fixed mounting has the horizontal pole between the support frame.
As an optimal technical scheme of the utility model, one side fixed mounting of base has flush mounting plate of switch, flush gauge control switch, ethylene oxide detector control switch, first solenoid valve control switch, water pump control switch and second solenoid valve control switch are installed respectively to flush mounting plate of switch's surface, aspiration pump, level gauge, ethylene oxide detector, first solenoid valve, water pump and second solenoid valve are respectively through aspiration pump control switch, level gauge control switch, ethylene oxide detector control switch, first solenoid valve control switch, water pump control switch and second solenoid valve control switch and external power supply electric connection.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the water in the liquid storage tank is sprayed to the ethylene oxide in the tail gas through a spray head by an installed water pump;
2. the ethylene oxide detector arranged at the gas outlet pipe is convenient for observing the content of ethylene oxide in the treated gas, if the content is too high, the gas is sprayed again through the communicating pipe, and the tail gas treatment effect is improved;
3. through the U-shaped pipe arranged at the bottom end of the annular pipe, gas can be prevented from being discharged from the U-shaped pipe, and sprayed water is discharged out of the tail gas absorption tower through the U-shaped pipe;
4. through the level gauge of installation, the operator of being convenient for in time supplyes the inside water of liquid reserve tank, avoids lacking water to influence the processing of waste gas.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the internal structure of the present invention.
In the figure: 1. a base; 2. a support frame; 3. a cross bar; 4. an absorption tower body; 5. an air pump; 6. an air inlet pipe; 7. a liquid level meter; 8. an air outlet pipe; 9. an ethylene oxide detector; 10. a sealing plug; 11. a liquid outlet pipe; 12. an annular tube; 13. a U-shaped pipe; 14. a first solenoid valve; 15. a liquid storage tank; 16. a water pump; 17. a one-way vent valve; 18. a spray head; 19. a second solenoid valve; 20. a switch panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the utility model provides a tail gas absorption tower for polyether polyol production and processing, which comprises a base 1, wherein support frames 2 are fixedly arranged on both sides of the top end of the base 1, the top ends of the two support frames 2 are fixedly connected with both sides of the bottom end of an absorption tower body 4, a ring pipe 12 is inserted and connected with the bottom end inside the absorption tower body 4, one end of the ring pipe 12 is fixedly connected with an air inlet arranged at the bottom of one side of the absorption tower body 4, an air suction pump 5 is fixedly arranged at one side of the air inlet, an air inlet pipe 6 is fixedly arranged at the air inlet of the air suction pump 5, the other end of the ring pipe 12 is fixedly connected with an air outlet arranged at the top of the other side of the absorption tower body 4, an air outlet pipe 8 is inserted and connected with the inside of, the inside of outlet duct 8 is arranged in to ethylene oxide detector 9's sense terminal, the inside top equidistance fixed mounting of annular tube 12 has a plurality of shower nozzle 18, a plurality of through-hole has been seted up to the inside bottom of annular tube 12, the equal fixed mounting in inside of a plurality of through-hole has U type pipe 13, it is equipped with communicating pipe to alternate between the annular tube 12, the inside fixed mounting of communicating pipe has one-way breather valve 17, the inside top fixed mounting of absorption tower body 4 has liquid reserve tank 15, the bottom fixed mounting of the inside of liquid reserve tank 15 has water pump 16, water pump 16's play liquid end passes through hose and a plurality of shower nozzle 18.
Preferably, the bottom end of the absorption tower body 4 is provided with a liquid outlet, the liquid outlet is connected with a liquid outlet pipe 11 in an inserting manner, a first electromagnetic valve 14 is fixedly arranged inside the liquid outlet pipe 11, and the sprayed water is conveniently discharged out of the absorption tower body 4 through the arranged liquid outlet.
Preferably, the front surface of the absorption tower body 4 is fixedly provided with a liquid level meter 7, the detection end of the liquid level meter 7 is fixedly arranged on the inner wall of one side of the liquid storage tank 15, and water in the liquid storage tank 15 can be supplemented in time through the installed liquid level meter 7.
Preferably, the top end of the absorption tower body 4 is provided with a liquid inlet communicated with the liquid storage tank 15, a sealing plug 10 is embedded in the liquid inlet, and water is conveniently supplemented through the opened liquid inlet.
Preferably, fixed mounting has horizontal pole 3 between two support frames 2, through the horizontal pole 3 of installation, the stability of the support frame 2 of being convenient for.
Preferably, a switch panel 20 is fixedly installed on one side of the base 1, an air pump control switch, a liquid level meter control switch, an ethylene oxide detector control switch, a first solenoid valve control switch, a water pump control switch and a second solenoid valve control switch are respectively installed on the surface of the switch panel 20, an air pump 5, a liquid level meter 7, an ethylene oxide detector 9, a first solenoid valve 14, a water pump 16 and a second solenoid valve 19 are respectively electrically connected with an external power supply through the air pump control switch, the liquid level meter control switch, the ethylene oxide detector control switch, the first solenoid valve control switch, the water pump control switch and the second solenoid valve control switch.
When the tail gas absorption tower for polyether polyol production and processing is used, when the tail gas absorption tower for polyether polyol production and processing is needed, firstly, the air inlet pipe 6 is communicated with a waste gas outlet, then the air pump 5 is opened through the control switch of the air pump, waste gas is pumped into the annular pipe 12 inside the absorption tower body 4 through the air pump 5, then the water pump is opened through the control switch of the water pump, water inside the liquid storage box 15 is sprayed out through the spray head 18 through the water pump, ethylene oxide contained in waste gas inside the annular pipe 12 is treated, the sprayed water is discharged through the U-shaped pipe 13 installed at the bottom end of the annular pipe 12, meanwhile, gas is prevented from being discharged from the U-shaped pipe 13, then the first electromagnetic valve 14 is opened through the control switch of the first electromagnetic valve, the sprayed water is discharged out of the absorption tower body 4 through the liquid outlet pipe 11 through the first electromagnetic valve 14, the sprayed waste gas flows to the gas outlet pipe 8 through the annular pipe 12, then open ethylene oxide detector 9 that the model can be "FIX 550-ETO" through ethylene oxide detector control switch and detect the ethylene oxide content in the gas after spraying, whether look over waste gas and reach emission standard, if reach emission standard, open second solenoid valve 19 through second solenoid valve control switch, the waste gas after handling carries out processing on next step through outlet duct 8 discharge, when not reaching standard, waste gas sprays the processing once more through communicating pipe, guarantee the exhaust-gas treatment effect, the in-process of handling waste gas, the user can be through the model can be "ZK 300" level gauge 7 observe the inside water yield of liquid reserve tank 15, be convenient for timely supplementary water source, avoid lack of water to influence the processing of waste gas.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a tail gas absorption tower is used in polyether polyol production and processing, includes base (1), its characterized in that, the equal fixed mounting in both sides on base (1) top has support frame (2), two the top and the absorption tower body (4) bottom both sides fixed connection of support frame (2), the inside bottom interlude of absorption tower body (4) is connected with ring pipe (12), the air inlet fixed connection of seting up is seted up to the one end and the absorption tower body (4) one side bottom of ring pipe (12), one side fixed mounting of air inlet has aspiration pump (5), the air inlet fixed mounting of aspiration pump (5) has intake pipe (6), the other end and the gas outlet fixed connection of seting up at absorption tower body (4) opposite side top of ring pipe (12), the inside interlude of gas outlet is connected with outlet duct (8), the inside one end fixed mounting of outlet duct (8) has second solenoid valve (19), the utility model discloses an air conditioner, including the bottom fixed mounting of outlet duct (8), the inside of outlet duct (8) is arranged in to the top fixed mounting of outlet duct (8), the inside top equidistance fixed mounting of annular tube (12) has a plurality of shower nozzle (18), a plurality of through-hole, a plurality of have been seted up to the inside bottom of annular tube (12), a plurality of the inside equal fixed mounting of through-hole has U type pipe (13), it is equipped with communicating pipe to alternate between annular tube (12), the inside fixed mounting of communicating pipe has one-way breather valve (17), the inside top fixed mounting of absorption tower body (4) has liquid reserve tank (15), the bottom fixed mounting of the inside of liquid reserve tank (15) has water pump (16), the play liquid end of water pump (16) passes through hose and a plurality of shower nozzle (18) intercommunication.
2. The tail gas absorption tower for producing and processing polyether polyol as claimed in claim 1, wherein: the liquid outlet has been seted up to the bottom of absorption tower body (4), the inside interlude of liquid outlet is connected with drain pipe (11), the inside fixed mounting of drain pipe (11) has first solenoid valve (14).
3. The tail gas absorption tower for producing and processing polyether polyol as claimed in claim 2, wherein: the absorption tower is characterized in that a liquid level meter (7) is fixedly mounted on the front surface of the absorption tower body (4), and a detection end of the liquid level meter (7) is fixedly mounted on the inner wall of one side of the liquid storage tank (15).
4. The tail gas absorption tower for producing and processing polyether polyol as claimed in claim 1, wherein: the top end of the absorption tower body (4) is provided with a liquid inlet communicated with the liquid storage tank (15), and a sealing plug (10) is embedded in the liquid inlet.
5. The tail gas absorption tower for producing and processing polyether polyol as claimed in claim 1, wherein: and a cross rod (3) is fixedly arranged between the two support frames (2).
6. The tail gas absorption tower for producing and processing polyether polyol as claimed in claim 3, wherein: one side fixed mounting of base (1) has flush mounting plate of switch (20), aspiration pump control switch, level gauge control switch, ethylene oxide detector control switch, first solenoid valve control switch, water pump control switch and second solenoid valve control switch are installed respectively to the surface of flush mounting plate of switch (20), aspiration pump (5), level gauge (7), ethylene oxide detector (9), first solenoid valve (14), water pump (16) and second solenoid valve (19) are respectively through aspiration pump control switch, level gauge control switch, ethylene oxide detector control switch, first solenoid valve control switch, water pump control switch and second solenoid valve control switch and external power supply electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105347.7U CN210251797U (en) | 2019-07-15 | 2019-07-15 | Tail gas absorption tower is used in polyether polyol production and processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105347.7U CN210251797U (en) | 2019-07-15 | 2019-07-15 | Tail gas absorption tower is used in polyether polyol production and processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210251797U true CN210251797U (en) | 2020-04-07 |
Family
ID=70012402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921105347.7U Active CN210251797U (en) | 2019-07-15 | 2019-07-15 | Tail gas absorption tower is used in polyether polyol production and processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210251797U (en) |
-
2019
- 2019-07-15 CN CN201921105347.7U patent/CN210251797U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A tail gas absorption tower for the production and processing of polyether polyols Effective date of registration: 20230330 Granted publication date: 20200407 Pledgee: Dongying Rural Commercial Bank Co.,Ltd. He'an Branch Pledgor: Dongying Jinmei Chemical Co.,Ltd. Registration number: Y2023980037018 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200407 Pledgee: Dongying Rural Commercial Bank Co.,Ltd. He'an Branch Pledgor: Dongying Jinmei Chemical Co.,Ltd. Registration number: Y2023980037018 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A tail gas absorption tower for the production and processing of polyether polyols Granted publication date: 20200407 Pledgee: Dongying Rural Commercial Bank Co.,Ltd. He'an Branch Pledgor: Dongying Jinmei Chemical Co.,Ltd. Registration number: Y2024980010325 |