CN110665360A - Acrolein tail gas processing apparatus - Google Patents

Acrolein tail gas processing apparatus Download PDF

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Publication number
CN110665360A
CN110665360A CN201910977665.0A CN201910977665A CN110665360A CN 110665360 A CN110665360 A CN 110665360A CN 201910977665 A CN201910977665 A CN 201910977665A CN 110665360 A CN110665360 A CN 110665360A
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CN
China
Prior art keywords
shell
acrolein
tail gas
pipe
communicated
Prior art date
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Pending
Application number
CN201910977665.0A
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Chinese (zh)
Inventor
程曦
柳忠操
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Laohekou New Technology LLC
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Laohekou New Technology LLC
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Publication date
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Priority to CN201910977665.0A priority Critical patent/CN110665360A/en
Publication of CN110665360A publication Critical patent/CN110665360A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/79—Injecting reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1487—Removing organic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1493—Selection of liquid materials for use as absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/62—Carbon oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/602—Oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/20—Organic absorbents
    • B01D2252/205—Other organic compounds not covered by B01D2252/00 - B01D2252/20494

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention relates to the technical field of acrolein, in particular to an acrolein tail gas treatment device which comprises a bottom plate, wherein supporting legs are fixedly connected to the upper end of the bottom plate, a shell is welded to the upper ends of the supporting legs, an air inlet pipe is communicated with the upper end of the shell and extends to the lower end position in the shell, a stirring mechanism is arranged in the shell, a first valve is arranged on a discharge pipe, an inlet pipe is communicated with the upper end of the shell, a sealing cover is clamped to the upper end of the inlet pipe, an absorption tank is fixedly welded to one side of the shell and is communicated with the shell through an air guide pipe, a third valve is arranged on the air guide pipe, a liquid feeding mechanism is arranged on one side of the absorption tank, an air outlet pipe is communicated. The invention has the characteristics of enhancing the safety of tail gas emission, reducing air pollution and being beneficial to environmental protection.

Description

Acrolein tail gas processing apparatus
Technical Field
The invention relates to the technical field of acrolein, in particular to an acrolein tail gas treatment device.
Background
Acrolein is the simplest unsaturated aldehyde of formula C3H4O, which is a colorless, transparent, malodorous liquid in general, has a strong irritant and tear-inducing vapor. May contain acrolein in the exhaust gasThe exhaust gas is generally absorbed by adopting an absorption method, and because the exhaust gas consists of a plurality of substances, the exhaust gas cannot adsorb the plurality of substances, and the residues of the toxic substances are easily caused.
Disclosure of Invention
The invention aims to solve the defects that various substances cannot be adsorbed and toxic substances are easy to remain in the prior art, and provides an acrolein tail gas treatment device.
In order to achieve the purpose, the invention adopts the following technical scheme:
an acrolein tail gas treatment device is designed, comprising a bottom plate, wherein supporting legs are fixedly connected to the upper end of the bottom plate, a shell is welded to the upper ends of the supporting legs, an air inlet pipe is communicated with the upper end of the shell and extends to the position of the lower end in the shell, a stirring mechanism is arranged in the shell, heating resistors are fixedly installed on the inner walls of two sides of the shell, a discharge pipe is communicated with the lower end of the shell, a first valve is arranged on the discharge pipe, an inlet pipe is communicated with the upper end of the shell, a sealing cover is clamped on the upper end of the inlet pipe, an absorption tank is fixedly welded to one side of the shell and is communicated with the shell through an air guide pipe, a third valve is arranged on the air guide pipe, a liquid feeding mechanism is arranged on one side, the lower end of the absorption tank is communicated with a conduction pipe, a second valve is arranged on the conduction pipe, and a collecting mechanism is arranged at the lower end of the second valve.
Preferably, the stirring mechanism comprises a sealing bearing fixedly connected with the middle of the shell, the inner axial surface of the sealing bearing is fixedly connected with the stirring shaft, one side of the shell is fixedly connected with the mounting plate, the surface of the mounting plate is fixedly provided with a motor, and the output shaft of the motor is fixedly connected with the stirring shaft.
Preferably, the liquid feeding mechanism comprises a water pump fixedly mounted on one side of the absorption tank, the water outlet end of the water pump is communicated with the absorption tank, a guide pipe is arranged at the water inlet end of the water pump in a communicated manner, the bottom plate is provided with the liquid storage tank, the guide pipe extends to the lower end position in the liquid storage tank, and filling liquid in the liquid storage tank is ethanol.
Preferably, purification mechanism includes the thread bush with outlet pipe threaded connection, the intercommunication is provided with the connection shell on the thread bush, connection shell upper end intercommunication is provided with the standpipe, fixedly connected with supporting network on the connection shell diapire, the active carbon has been placed on the supporting network.
Preferably, the collecting mechanism comprises a connecting seat fixedly connected with the bottom plate, a collecting barrel is placed on the connecting seat and is positioned under the conduction pipe, and the collecting barrel is a transparent glass barrel.
Preferably, the collecting barrel is provided with scale marks.
Preferably, the lower end of the collecting barrel is communicated with a faucet.
Preferably, the shell comprises an outer layer, a heat insulation layer is fixedly bonded on the inner side of the outer layer, a high temperature resistant layer is arranged on the inner side of the heat insulation layer, and the high temperature resistant layer is made of alumina ceramics.
The acrolein tail gas treatment device provided by the invention has the beneficial effects that: through the intake pipe, the design of rabbling mechanism, casing, add copper oxide in the casing, through chemical reaction, be convenient for react the carbon monoxide in the tail gas, absorb tail gas, then flow into the absorption tank through the tail gas that the air duct will be handled, thereby propylene in the tail gas, acrolein, acetone absorb, detach the pollutant in the tail gas, the security that has strengthened exhaust emissions, the pollution of air has been reduced, be favorable to environmental protection.
Drawings
FIG. 1 is a schematic structural diagram of an acrolein tail gas treatment device according to the present invention;
FIG. 2 is a top view of an acrolein tail gas treatment device according to the present invention;
FIG. 3 is a schematic structural diagram of a purification mechanism of an acrolein tail gas treatment device according to the present invention;
FIG. 4 is a schematic structural diagram of a housing of an acrolein tail gas treatment device according to the present invention.
In the figure: the device comprises an air inlet pipe 1, a sealing bearing 2, a shell 3, supporting legs 4, a bottom plate 5, a discharge pipe 6, a first valve 7, a faucet 8, a connecting seat 9, a collecting barrel 10, a conducting pipe 11, a second valve 12, a liquid storage tank 13, a guide pipe 14, an air guide pipe 15, an absorption tank 16, a water pump 17, an air outlet pipe 18, a purification mechanism 19, a third valve 20, a sealing cover 21, a feeding pipe 22, a mounting plate 23, a motor 24, a stirring shaft 25, a vertical pipe 26, activated carbon 27, a connecting shell 28, a supporting net 29, a threaded sleeve 30, a high temperature resistant layer 31, a heat insulating layer 32, an outer layer 33 and a heating.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-2, an acrolein tail gas treatment device, comprising a bottom plate 5, wherein the upper end of the bottom plate 5 is fixedly connected with supporting legs 4, the upper ends of the supporting legs 4 are welded with a shell 3, the upper end of the shell 3 is communicated with an air inlet pipe 1, tail gas enters from the air inlet pipe 1, the air inlet pipe 1 extends to the lower end position in the shell 3, a stirring mechanism is arranged in the shell 3, heating resistors 34 are fixedly arranged on the inner walls at two sides of the shell 3, the heating resistors 34 are connected with an external power supply through wires, switches of the heating resistors 34 are arranged on the wires, the lower end of the shell 3 is communicated with a discharging pipe 6, a first valve 7 is arranged on the discharging pipe 6, the upper end of the shell 3 is communicated with a feeding pipe 22, the upper end of the feeding pipe 22 is clamped with a sealing cover 21, copper oxide powder is poured from, CuO + CO (high temperature) ═ Cu + CO2, carbon monoxide which is a toxic gas in the tail gas is absorbed and removed, and simultaneously, the generated copper reacts with oxygen in the tail gas, 2Cu + O2 ═ 2CuO plays a role in supplementing copper oxide, and the later-period addition amount of the copper oxide is reduced.
An absorption tank 16 is fixedly welded on one side of the shell 3, the absorption tank 16 is communicated with the shell 3 through an air guide pipe 15, a third valve 20 is arranged on the air guide pipe 15, a liquid feeding mechanism is arranged on one side of the absorption tank 16 and comprises a water pump 17 fixedly installed on one side of the absorption tank 16, the water pump 17 is connected with an external power supply through a lead, a switch of the water pump 17 is arranged on the lead, the model of the water pump 17 is ZDB, the water outlet end of the water pump 17 is communicated with the absorption tank 16, the water inlet end of the water pump 17 is communicated with a guide pipe 14, a liquid storage tank 13 is placed on the bottom plate 5, the guide pipe 14 extends to the lower end of the liquid storage tank 13, the filling liquid in the liquid storage tank 13 is ethanol, an air outlet pipe 18 is communicated with the upper end of the absorption tank 16, a purification mechanism 19 is communicated with the upper end, the lower end of the second valve 12 is provided with a collecting mechanism, ethanol is injected into the absorption tank 16, propylene, acrolein and acetone in the tail gas can be dissolved in the ethanol, so that the propylene, the acrolein and the acetone are separated from the tail gas, toxic substances and pollutants in the tail gas are reduced, and meanwhile, the water pump 17 is opened to supplement and add the ethanol in the absorption tank 16.
Example 2
Referring to fig. 1, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the stirring mechanism includes a sealed bearing 2 fixedly connected to the middle position of a housing 3, a stirring shaft 25 is fixedly connected to the inner axial surface of the sealed bearing 2, an installation plate 23 is fixedly connected to one side of the housing 3, a motor 24 is fixedly installed on the lower surface of the installation plate 23, an output shaft of the motor 24 is fixedly connected to the stirring shaft 25, the motor 24 is connected to an external power source through a wire, and a switch of the motor 24 is disposed on the wire, the model of the motor 24 is YE2-160L-4, and the stirring shaft 25 is driven to rotate by the motor 24, so as to stir the copper oxide in the housing 3, which is beneficial to the effect of chemical reaction.
Example 3
Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the purifying mechanism 19 includes a threaded sleeve 30 in threaded connection with the outlet pipe 18, a connecting shell 28 is disposed on the threaded sleeve 30 in a communicating manner, a vertical pipe 26 is disposed at the upper end of the connecting shell 28 in a communicating manner, a supporting net 29 is fixedly connected to the bottom wall of the connecting shell 28, activated carbon 27 is disposed on the supporting net 29, the activated carbon 27 absorbs toxic gas remaining from chemical reaction, so as to further enhance the treatment effect, and at the same time, the threaded sleeve 30 is in threaded connection with the outlet pipe 18, so that the purifying mechanism 19 is conveniently detached and the activated carbon 27 is replaced.
Example 4
Referring to fig. 1-2, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the collecting mechanism includes a connecting base 9 fixedly connected to the bottom plate 5, a collecting barrel 10 is placed on the connecting base 9, the collecting barrel 10 is located right below the conducting pipe 11, the collecting barrel 10 is a transparent glass barrel, the collecting barrel 10 is provided with scale marks, the lower end of the collecting barrel 10 is communicated with a faucet 8, and the faucet 8 discharges ethanol absorbed by the absorbing tank 16 by opening the second valve 12, and the ethanol flows into the collecting barrel 10 for collection.
Example 5
Referring to fig. 4, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the housing 3 includes an outer layer 33, an insulating layer 32 is fixedly bonded to the inner side of the outer layer 33, the insulating layer 32 is made of expanded perlite, the insulating layer 32 is a high temperature resistant layer 31 disposed on the inner side of the insulating layer 32, and the high temperature resistant layer 31 is made of alumina ceramic.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. An acrolein tail gas treatment device comprises a bottom plate (5), wherein supporting legs (4) are fixedly connected to the upper end of the bottom plate (5), a shell (3) is welded to the upper ends of the supporting legs (4), and is characterized in that an air inlet pipe (1) is communicated with the upper end of the shell (3), the air inlet pipe (1) extends to the inner lower end of the shell (3), a stirring mechanism is arranged in the shell (3), heating resistors (34) are fixedly mounted on the inner walls of the two sides of the shell (3), a discharge pipe (6) is communicated with the lower end of the shell (3), a first valve (7) is arranged on the discharge pipe (6), an inlet pipe (22) is communicated with the upper end of the shell (3), a sealing cover (21) is clamped on the upper end of the inlet pipe (22), an absorption tank (16) is fixedly welded to one side of the shell (3), and the absorption tank (16) is, be provided with third valve (20) on air duct (15), adsorption tank (16) one side is provided with the liquid feeding mechanism, adsorption tank (16) upper end intercommunication is provided with outlet duct (18), outlet duct (18) upper end intercommunication is provided with purification mechanism (19), adsorption tank (16) lower extreme intercommunication sets up conduction pipe (11), be provided with second valve (12) on conduction pipe (11), second valve (12) lower extreme is provided with the collection mechanism.
2. The acrolein tail gas treatment device according to claim 1, wherein the stirring mechanism comprises a seal bearing (2) fixedly connected with the middle position of the housing (3), a stirring shaft (25) is fixedly connected with an inner axial surface of the seal bearing (2), a mounting plate (23) is fixedly connected with one side of the housing (3), a motor (24) is fixedly mounted on the lower surface of the mounting plate (23), and an output shaft of the motor (24) is fixedly connected with the stirring shaft (25).
3. The acrolein tail gas treatment device according to claim 1, wherein the liquid feeding mechanism comprises a water pump (17) fixedly installed on one side of the absorption tank (16), a water outlet end of the water pump (17) is communicated with the absorption tank (16), a guide pipe (14) is communicated with a water inlet end of the water pump (17), the liquid storage tank (13) is placed on the bottom plate (5), the guide pipe (14) extends to the lower end position in the liquid storage tank (13), and filling liquid in the liquid storage tank (13) is ethanol.
4. The acrolein tail gas treatment device according to claim 1, wherein the purification mechanism (19) comprises a threaded sleeve (30) in threaded connection with the outlet pipe (18), a connecting shell (28) is arranged on the threaded sleeve (30) in a communication mode, a vertical pipe (26) is arranged at the upper end of the connecting shell (28) in a communication mode, a support net (29) is fixedly connected to the bottom wall of the connecting shell (28), and activated carbon (27) is placed on the support net (29).
5. The acrolein tail gas treatment device according to claim 1, wherein the collection mechanism comprises a connection base (9) fixedly connected with the bottom plate (5), a collection barrel (10) is placed on the connection base (9), the collection barrel (10) is located right below the conduction pipe (11), and the collection barrel (10) is a transparent glass barrel.
6. An acrolein tail gas treatment device according to claim 5, characterized in that the collecting barrel (10) is provided with scale marks.
7. The acrolein tail gas treatment device according to claim 5, wherein the lower end of the collecting barrel (10) is communicated with a tap (8).
8. The acrolein tail gas treatment device according to claim 1, wherein the housing (3) comprises an outer layer (33), an insulating layer (32) is fixedly bonded on the inner side of the outer layer (33), a high temperature resistant layer (31) is arranged on the inner side of the insulating layer (32), and the high temperature resistant layer (31) is made of alumina ceramic.
CN201910977665.0A 2019-10-15 2019-10-15 Acrolein tail gas processing apparatus Pending CN110665360A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910977665.0A CN110665360A (en) 2019-10-15 2019-10-15 Acrolein tail gas processing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910977665.0A CN110665360A (en) 2019-10-15 2019-10-15 Acrolein tail gas processing apparatus

Publications (1)

Publication Number Publication Date
CN110665360A true CN110665360A (en) 2020-01-10

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Application Number Title Priority Date Filing Date
CN201910977665.0A Pending CN110665360A (en) 2019-10-15 2019-10-15 Acrolein tail gas processing apparatus

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4587114A (en) * 1982-03-13 1986-05-06 Hidefumi Hirai Method for separating carbon dioxide from mixed gas
CN204627711U (en) * 2015-02-15 2015-09-09 山东科技大学 A kind of automobile exhaust gas processing apparatus
CN108636066A (en) * 2018-07-10 2018-10-12 江苏富淼科技股份有限公司 A kind of exhaust treatment system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4587114A (en) * 1982-03-13 1986-05-06 Hidefumi Hirai Method for separating carbon dioxide from mixed gas
CN204627711U (en) * 2015-02-15 2015-09-09 山东科技大学 A kind of automobile exhaust gas processing apparatus
CN108636066A (en) * 2018-07-10 2018-10-12 江苏富淼科技股份有限公司 A kind of exhaust treatment system

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Application publication date: 20200110

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