CN220328956U - Oxidation tail gas treatment system of phenol acetone device - Google Patents
Oxidation tail gas treatment system of phenol acetone device Download PDFInfo
- Publication number
- CN220328956U CN220328956U CN202321663614.9U CN202321663614U CN220328956U CN 220328956 U CN220328956 U CN 220328956U CN 202321663614 U CN202321663614 U CN 202321663614U CN 220328956 U CN220328956 U CN 220328956U
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- China
- Prior art keywords
- tail gas
- desulfurization
- treatment bin
- bin
- gas treatment
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 31
- 230000003647 oxidation Effects 0.000 title claims abstract description 30
- XDTRNDKYILNOAP-UHFFFAOYSA-N phenol;propan-2-one Chemical compound CC(C)=O.OC1=CC=CC=C1 XDTRNDKYILNOAP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 49
- 230000023556 desulfurization Effects 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000005202 decontamination Methods 0.000 claims description 8
- 230000003588 decontaminative effect Effects 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000010865 sewage Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 7
- 238000005406 washing Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 6
- 230000003068 static effect Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 48
- 238000000926 separation method Methods 0.000 description 9
- 230000003009 desulfurizing effect Effects 0.000 description 7
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Abstract
The utility model provides an oxidation tail gas treatment system of a phenol acetone device, which relates to the technical field of oxidation tail gas treatment and comprises an upper treatment bin, a mounting rack and a desulfurization tank; the bottom of the upper treatment bin is fixed on the mounting frame, two groups of lower supporting legs are arranged at the left and right parts of the lower end surface of the mounting frame, a plurality of groups of inclined supporting rods are fixed between the upper parts of the lower supporting legs and the outer side surface of the desulfurization tank, the desulfurization tank is arranged at the lower end of the upper treatment bin, and the desulfurization tank is communicated with the upper treatment bin; the lower end of the upper treatment bin is provided with a lower through hole, a filter screen plate is embedded in the lower through hole, and three groups of turbofans are arranged on the upper part of the front side surface of the upper treatment bin. The utility model is helpful for carrying out high-capacity full washing desulfurization on the tail gas. And then static oil dirt and dust removal, filtration to remove large particulate impurities, peculiar smell removal and the like are sequentially carried out, fine particulate matters are filtered off, and the gas treatment is cleaner, so that the discharge is safer and more reliable.
Description
Technical Field
The utility model relates to the technical field of oxidation tail gas treatment, in particular to an oxidation tail gas treatment system of a phenol acetone device.
Background
In recent years, the phenol-acetone market has tended to be saturated in large-scale commissioning of domestic phenol-acetone plants. In order to improve market competition, the cost is saved from comprehensive consideration of energy conservation, environmental protection, safety, material consumption, energy production and the like. The phenol acetone production device adopts a cumene oxidation method to produce cumene hydroperoxide, namely, the cumene hydroperoxide is produced through oxidation reaction with oxygen in the air under the conditions of a certain temperature, a certain pressure and the like, and oxidized tail gas is produced in the production process.
In the prior art (publication No. CN 213725789U) an oxidation tail gas treatment system of a phenol acetone device, mention is made of a cooler comprising a preliminary cooling of an oxidation tail gas outlet of the phenol acetone device, a first separator connected with the cooler for separating a preliminary cooled cumene liquid from an oxidation tail gas, a cryogenic cooler connected with the first separator for further cooling the oxidation tail gas, a second separator connected with the cryogenic cooler for separating a further cooled cumene liquid from the oxidation tail gas, a tail gas heat exchanger connected with the second separator for increasing the temperature of the oxidation tail gas, a preheater connected with the tail gas heat exchanger for further increasing the temperature of the oxidation tail gas, a catalytic reactor connected with the preheater for catalyzing the oxidation tail gas, the catalytic reactor being connected with the tail gas heat exchanger for transmitting reaction heat and purge gas to the tail gas heat exchanger, but the separation temperature is difficult to grasp by cooling separation in the oxidation tail gas treatment of the prior art, resulting in separation and inaccuracy, so that the oxidation treatment is not clean.
Disclosure of Invention
In order to overcome the defects existing in the prior art, the utility model provides an oxidation tail gas treatment system of a phenol acetone device, so as to solve the problems that the separation is inaccurate due to the fact that the separation temperature is difficult to grasp through cooling separation in oxidation tail gas treatment in the prior art, and the oxidation tail gas treatment is not clean.
In order to achieve the aim, the oxidation tail gas treatment system of the phenol acetone device comprises an upper treatment bin, a mounting frame and a desulfurization tank; the bottom of going up the processing storehouse is fixed on the mounting bracket, and the lower terminal surface left and right sides of mounting bracket all is provided with two sets of supporting legs down, is fixed with multiunit diagonal brace between the lateral surface of the upper portion of supporting legs and the desulfurization groove down, the lower extreme of going up the processing storehouse is provided with the desulfurization groove, and is linked together the setting between desulfurization groove and the last processing storehouse.
Further, the lower extreme of going up the processing storehouse is provided with down the opening, and down the interior gomphosis of opening has the filter screen board to three groups of turbofan are installed on the leading flank upper portion of going up the processing storehouse, and turbofan's front end is provided with the mouth of pipe of giving vent to anger, and the top of going up the processing storehouse is provided with the roof.
Further, the upper part is provided with the air-purifying chamber in the upper treatment bin, is provided with the accurate filter core of multiunit in the air-purifying chamber, and is linked together between the lower port of accurate filter core and the well filter chamber that middle part set up in the upper treatment bin to the lower part is provided with static scrubbing room in the upper treatment bin, is provided with multiunit negative plate and anode plate in the static scrubbing room.
Further, a polyvinyl chloride filter layer, a porous ceramic filter layer and an activated carbon filter layer are sequentially arranged in the middle filter chamber from bottom to top, a lower partition plate is arranged at the lower end of the middle filter chamber, a plurality of groups of communication pipe orifices are arranged on the lower partition plate, and an electromagnetic control valve is arranged on each communication pipe orifice.
Further, the middle part of the right side surface of the upper treatment bin is provided with a feed hopper, a lower conveying channel is connected below the feed hopper, and the lower end of the lower conveying channel is led into the desulfurization tank.
Further, the lower extreme of desulfurization groove is provided with the motor, installs the pivot on the motor, and the left and right sides of pivot all is provided with the stirring rake, and the upper left portion of desulfurization groove is connected with the inlet tube to the lower left portion of desulfurization groove is connected with the tail gas input tube, and desulfurization washing liquid is equipped with in the desulfurization groove simultaneously, and the leading flank lower part of desulfurization groove is provided with the blowdown mouth of pipe simultaneously.
The utility model has the beneficial effects that:
1. the electrostatic decontamination chamber arranged at the lower part in the upper treatment bin is convenient for carrying out electrostatic decontamination treatment on the waste gas after washing and desulfurization to remove large-particle dust particles;
2. the arrangement of the middle filter chamber is to carry out multiple filtration on the gas conveyed from the lower part, which is helpful for removing peculiar smell and other matters in the gas;
3. the air purifying chamber arranged at the upper part in the upper treatment bin is used for precisely treating the conveyed gas through the precise filter element, and demisting tiny particles are cleaner and more thorough in filtering the gas.
4. According to the utility model, the desulfurizing agent is put into the desulfurizing tank through the feed hopper, the motor is used for rotating the rotating shaft, the stirring paddles are driven to stir the desulfurizing cleaning liquid together while the rotating shaft rotates, at the moment, the oxidized tail gas of the phenol acetone device is input into the desulfurizing cleaning liquid through the tail gas input pipe, the tail gas is subjected to washing desulfurization treatment, the precipitate washed in the desulfurizing tank can be discharged through the blow-off pipe orifice on the front side surface of the desulfurizing tank, the washed gas enters the upper treatment bin through bubbling, and the upper treatment bin is subjected to electrostatic dust removal and multiple filtration, so that the treated gas is safer to discharge.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 3 is an expanded schematic view of the internal structure of the upper treatment bin according to an embodiment of the utility model;
FIG. 4 is an expanded schematic view of the internal structure of the desulfurization tank according to the embodiment of the utility model.
In the figure: 1. a treatment bin is arranged; 10. a lower through hole; 11. a filter screen plate; 12. an electrostatic decontamination chamber; 13. a cathode plate; 14. an anode plate; 15. a gas purifying chamber; 16. a top plate; 17. a precise filter element; 18. a turbo fan; 19. an air outlet pipe orifice; 2. a feed hopper; 20. a lower conveying channel; 3. a middle filter chamber; 30. a polyvinyl chloride filter layer; 31. a porous ceramic filter layer; 32. an activated carbon filter layer; 33. a lower partition plate; 34. a communicating pipe orifice; 4. a mounting frame; 40. a lower supporting leg; 41. a diagonal brace; 5. a desulfurization tank; 50. a water inlet pipe; 51. a tail gas input pipe; 52. a motor; 53. a rotating shaft; 54. stirring paddles; 55. and desulfurizing the cleaning liquid.
Description of the embodiments
In order to make the technical problems, technical schemes and beneficial effects to be solved more clearly apparent, the present utility model is further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are offered by way of illustration only and not as limitations of the utility model, and specific details such as particular system architectures, techniques, etc. may be set forth in order to provide a more thorough understanding of the embodiments of the utility model. The described embodiments are some, but not all, embodiments of the present disclosure. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.
Specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic front view of an embodiment of the present utility model, fig. 2 is a schematic cross-sectional view of an embodiment of the present utility model, fig. 3 is a schematic development view of an internal structure of an upper treatment bin of an embodiment of the present utility model, and fig. 4 is a schematic development view of an internal structure of a desulfurization tank of an embodiment of the present utility model.
Referring to fig. 1 to 4, the utility model provides an oxidation tail gas treatment system of a phenol acetone device, which comprises an upper treatment bin 1, a mounting frame 4 and a desulfurization tank 5; the bottom of the upper treatment bin 1 is fixed on the mounting frame 4, two groups of lower supporting legs 40 are arranged at the left and right parts of the lower end face of the mounting frame 4, a desulfurization groove 5 is arranged at the lower end of the upper treatment bin 1, and the desulfurization groove 5 and the upper treatment bin 1 are communicated.
In the embodiment, the lower end of the upper treatment bin 1 is provided with a lower through hole 10, a filter screen plate 11 is embedded in the lower through hole 10, three groups of turbofans 18 are arranged on the upper part of the front side surface of the upper treatment bin 1, and the front end of each turbofan 18 is provided with an air outlet pipe orifice 19; the upper part of the upper treatment bin 1 is provided with a gas purifying chamber 15, a plurality of groups of precise filter cores 17 are arranged in the gas purifying chamber 15, the lower ports of the precise filter cores 17 are communicated with a middle filter chamber 3 arranged in the middle part of the upper treatment bin 1, the lower part of the upper treatment bin 1 is provided with an electrostatic decontamination chamber 12, and a plurality of groups of cathode plates 13 and anode plates 14 are arranged in the electrostatic decontamination chamber 12; the inside of the middle filter chamber 3 is sequentially provided with a polyvinyl chloride filter layer 30, a porous ceramic filter layer 31 and an activated carbon filter layer 32 from bottom to top, the lower end of the middle filter chamber 3 is provided with a lower partition plate 33, a plurality of groups of communication pipe orifices 34 are arranged on the lower partition plate 33, and an electromagnetic control valve is arranged on the communication pipe orifices 34.
As a preferred implementation mode, the electrostatic decontamination chamber 12 arranged at the lower part in the upper treatment bin 1 is convenient for carrying out electrostatic degreasing treatment on the waste gas after washing and desulfurization and removing large-particle dust particles;
the middle filter chamber 3 is arranged to carry out multiple filtration on the gas conveyed from the lower part, thereby being beneficial to removing foreign odor and other matters in the gas;
the air purifying chamber 15 arranged at the upper part in the upper treatment bin 1 precisely treats the conveyed air through the precise filter element 17, demists tiny particles, and filters the air more cleanly and thoroughly.
In the embodiment, a feeding hopper 2 is arranged in the middle of the right side surface of the upper treatment bin 1, a lower conveying channel 20 is connected below the feeding hopper 2, and the lower end of the lower conveying channel 20 is led into a desulfurization tank 5; the lower extreme of desulfurization groove 5 is provided with motor 52, installs pivot 53 on the motor 52, and the left and right sides of pivot 53 all is provided with stirring rake 54, and the upper left portion of desulfurization groove 5 is connected with inlet tube 50 to the lower left portion of desulfurization groove 5 is connected with tail gas input tube 51, and desulfurization washing liquid 55 is equipped with in the desulfurization groove 5 simultaneously, and the leading flank lower part of desulfurization groove 5 is provided with the blowdown mouth of pipe simultaneously.
As a preferred implementation mode, the desulfurizer is put into the desulfurization tank 5 through the feed hopper 2, the motor 52 is used for rotating the rotating shaft 53, the stirring paddle 54 is driven to stir the desulfurization cleaning liquid 55 together while the rotating shaft 53 rotates, at the moment, the oxidized tail gas of the phenol acetone device is input into the desulfurization cleaning liquid 55 through the tail gas input pipe 51 to carry out washing desulfurization treatment on the tail gas, sediment washed in the desulfurization tank 5 can be discharged through a blow-off pipe orifice on the front side surface of the desulfurization tank 5, the washed gas enters the upper treatment bin 1 through bubbling, and the treated gas is discharged more safely through electrostatic dust removal and multiple filtration in the upper treatment bin 1.
The utility model can effectively solve the problems that the separation is inaccurate due to difficult grasp of the separation temperature by cooling separation in the oxidation tail gas treatment in the prior art, so that the oxidation tail gas treatment is not clean. And then static oil dirt and dust removal, filtration to remove large particulate impurities, peculiar smell removal and the like are sequentially carried out, fine particulate matters are filtered off, and the gas treatment is cleaner, so that the discharge is safer and more reliable.
The above-described embodiments are intended to illustrate the present utility model, not to limit it, and any modifications and variations made to the present utility model within the spirit of the utility model and the scope of the claims should be included in the scope of the present utility model.
Claims (6)
1. An oxidation tail gas treatment system of a phenol acetone device is characterized by comprising an upper treatment bin (1), a mounting rack (4) and a desulfurization tank (5); the bottom of going up processing bin (1) is fixed on mounting bracket (4), and both sides all are provided with two sets of supporting legs (40) down about the lower terminal surface of mounting bracket (4), are fixed with multiunit diagonal brace (41) between the lateral surface of lower supporting legs (40) upper portion and desulfurization groove (5), the lower extreme of going up processing bin (1) is provided with desulfurization groove (5), and is linked together between desulfurization groove (5) and the last processing bin (1).
2. The oxidation tail gas treatment system of a phenol acetone device according to claim 1, wherein a lower through hole (10) is formed in the lower end of the upper treatment bin (1), a filter screen plate (11) is embedded in the lower through hole (10), three groups of turbofans (18) are mounted on the upper portion of the front side face of the upper treatment bin (1), an air outlet pipe orifice (19) is formed in the front end of the turbofans (18), and a top plate (16) is arranged on the top of the upper treatment bin (1).
3. The oxidation tail gas treatment system of the phenol acetone device according to claim 1, wherein a gas purifying chamber (15) is arranged at the inner upper part of the upper treatment bin (1), a plurality of groups of precise filter cores (17) are arranged in the gas purifying chamber (15), the lower ports of the precise filter cores (17) are communicated with a middle filter chamber (3) arranged at the inner middle part of the upper treatment bin (1), an electrostatic decontamination chamber (12) is arranged at the inner lower part of the upper treatment bin (1), and a plurality of groups of cathode plates (13) and anode plates (14) are arranged in the electrostatic decontamination chamber (12).
4. The oxidation tail gas treatment system of the phenol acetone device according to claim 3, wherein a polyvinyl chloride filter layer (30), a porous ceramic filter layer (31) and an activated carbon filter layer (32) are sequentially arranged in the middle filter chamber (3) from bottom to top, a lower partition plate (33) is arranged at the lower end of the middle filter chamber (3), a plurality of groups of communication pipe orifices (34) are arranged on the lower partition plate (33), and an electromagnetic control valve is arranged on the communication pipe orifices (34).
5. The oxidation tail gas treatment system of the phenol acetone device according to claim 1, wherein a feeding hopper (2) is arranged in the middle of the right side surface of the upper treatment bin (1), a lower conveying channel (20) is connected below the feeding hopper (2), and the lower end of the lower conveying channel (20) is led into the desulfurization tank (5).
6. The oxidation tail gas treatment system of a phenol acetone device according to claim 1, wherein a motor (52) is arranged at the lower end of the desulfurization tank (5), a rotating shaft (53) is arranged on the motor (52), stirring paddles (54) are arranged on the left side and the right side of the rotating shaft (53), a water inlet pipe (50) is connected to the left upper part of the desulfurization tank (5), a tail gas input pipe (51) is connected to the left lower part of the desulfurization tank (5), desulfurization cleaning liquid (55) is filled in the desulfurization tank (5), and a sewage discharging pipe orifice is arranged at the lower part of the front side surface of the desulfurization tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321663614.9U CN220328956U (en) | 2023-06-28 | 2023-06-28 | Oxidation tail gas treatment system of phenol acetone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321663614.9U CN220328956U (en) | 2023-06-28 | 2023-06-28 | Oxidation tail gas treatment system of phenol acetone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220328956U true CN220328956U (en) | 2024-01-12 |
Family
ID=89446559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321663614.9U Active CN220328956U (en) | 2023-06-28 | 2023-06-28 | Oxidation tail gas treatment system of phenol acetone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220328956U (en) |
-
2023
- 2023-06-28 CN CN202321663614.9U patent/CN220328956U/en active Active
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