CN111773886A - Chemical workshop waste gas purification treatment method - Google Patents

Chemical workshop waste gas purification treatment method Download PDF

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Publication number
CN111773886A
CN111773886A CN202010760452.5A CN202010760452A CN111773886A CN 111773886 A CN111773886 A CN 111773886A CN 202010760452 A CN202010760452 A CN 202010760452A CN 111773886 A CN111773886 A CN 111773886A
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frame
waste gas
adsorption
workshop
wall
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CN202010760452.5A
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Chinese (zh)
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宛兴友
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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 adsorption, e.g. preparative gas chromatography
    • B01D53/06Separation 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 adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60Combinations of devices covered by groups B01D46/00 and B01D47/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact

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

Abstract

The invention relates to a waste gas purification treatment method for a chemical workshop, which uses a waste gas purification device, wherein the waste gas purification device comprises a pipe arranging seat, a gas guide pipe, an adsorption unit and a purification unit, the gas guide pipe is uniformly arranged at the front end of the pipe arranging seat from left to right, the adsorption unit is uniformly arranged at the upper end of the gas guide pipe from front to back, and the purification unit is arranged at the upper end of the pipe arranging seat; the adsorption area can be adjusted by the adsorption points distributed all over the workshop, so that the key air suction area of the workshop can be changed at will, and the problem that the adsorption points of waste gas cannot be adjusted easily by the conventional workshop waste gas purification treatment equipment when the position of a machine is changed is solved; the invention solves the problem that a plurality of bubbles are often formed when the waste gas is introduced into the chemical agent, so that the chemical agent is led out without the reaction of the waste gas inside.

Description

Chemical workshop waste gas purification treatment method
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a chemical workshop waste gas purification treatment method.
Background
Workshop waste gas treatment refers to specially to manufacturing type enterprise, and the waste gas that produces in the course of workshop processing preparation carries out the preliminary treatment before externally discharging to reach the work of the standard of national waste gas externally discharging, thereby often also can have partial harmful waste gas in the workshop in the production process and influence staff's work health.
The method is characterized in that the method has the following problems that waste gas drifting in a workshop is often rarefied and unevenly distributed, the concentration near a machine is far higher than that in other places, but the position of the machine is not fixed due to the improvement of the process and the working procedure, when the position of the machine changes, the gathering point of the waste gas in the workshop changes, but the adsorption point of the waste gas cannot be easily adjusted by the existing workshop waste gas purification treatment equipment; secondly, when carrying out purification treatment to waste gas, often need with during the leading-in corresponding chemical agent of waste gas for harmful substance in the waste gas is absorbed and chemical combination reaction, but because often can form a plurality of bubbles when leading-in chemical agent of waste gas, thereby makes inside waste gas unreacted just derive chemical agent.
Disclosure of Invention
The invention aims to provide a chemical workshop waste gas purification treatment method, which has the advantages of adjusting adsorption points aiming at the workshop environment, fully reacting chemical agents with waste gas and the like, and solves the problems.
The waste gas purification treatment method for the chemical workshop uses a waste gas purification device, the waste gas purification device comprises a pipe seat, a gas guide pipe, an adsorption unit and a purification unit, and the treatment method for the workshop waste gas by adopting the waste gas purification device further comprises the following steps:
s1, equipment checking: before starting the device, the device is subjected to routine inspection by a human;
s2, workshop production: starting workshop production so as to generate workshop waste gas needing purification treatment;
s3, adsorption operation: introducing the workshop waste gas into a purification unit through an adsorption unit;
s4, cleaning operation: performing harmless treatment on workshop waste gas through a purification unit and then discharging the workshop waste gas;
the front end of the tube arranging seat is uniformly provided with air guide tubes from left to right, the upper ends of the air guide tubes are uniformly provided with adsorption units from front to back, and the upper end of the tube arranging seat is provided with a purification unit; the air duct spreads the adsorption unit throughout the whole workshop, introduces the workshop waste gas into the purification unit through the adsorption unit, and discharges the workshop waste gas after carrying out innocent treatment through the purification unit.
The adsorption unit comprises an adsorption rotary drum, a rotary ring, a lifting outer drum, a breathable net, a material suction frame, adsorption holes and a filter screen, wherein the upper end of the air duct is uniformly provided with threaded holes from front to back; through adsorbing hole and filter screen with workshop waste gas absorption, the lift rotary drum upwards feeds through the slip mode to make lift rotary drum and absorption rotary drum separation, the swivel becket drives the lift urceolus rotatory, thereby makes absorption rotary drum bearing lift rotary drum, thereby makes ventilative net spill, has increased the area of contact of absorption unit with waste gas.
The purifying unit comprises a placement frame, a washing frame, an air guide pipe, an atomizing ejector, a combination mechanism, a negative pressure fan, an air suction pipe, a connecting pipeline and a purifying mechanism, the placement frame is arranged at the upper end of the pipe arranging seat, the washing frame is arranged on the rear side of the inner wall of the lower end of the placement frame, the washing frame is connected with the pipe arranging seat through the air guide pipe, the atomizing ejectors are uniformly arranged on the inner walls of the front end and the rear end of the washing frame from top to bottom, the combination mechanism is arranged on the front side of the inner wall of the lower end of the placement frame, the negative pressure fan is arranged at the upper end of the combination mechanism, the air suction pipe is connected between the negative pressure fan and the washing frame, the connecting pipeline is connected between the; the negative pressure fan enables the adsorption unit to suck the surrounding workshop waste gas and guide the workshop waste gas into the water washing frame through the exhaust pipe seat and the air guide pipe, the atomizing sprayer produces water mist in the water washing frame, so that dust and other impurities in the workshop waste gas are removed, the workshop waste gas after water washing is guided into the chemical combination mechanism through the air suction pipe and the connecting pipeline to carry out chemical combination reaction, and the purification mechanism carries out filtration treatment on the workshop waste gas after chemical combination and then discharges the workshop waste gas.
The combination mechanism include combination frame, driving motor, axis of rotation, helical blade and stirring board, the setting of combination frame is in arrangement frame lower extreme inner wall front side, driving motor passes through the motor cabinet setting on combination frame upper end inner wall, the axis of rotation passes through the bearing setting on combination frame lower extreme inner wall, the driving motor output has the axis of rotation upper end through the coupling joint, the axis of rotation outer wall is from last down evenly being provided with helical blade, evenly be provided with the stirring board along the helical blade orbit between the adjacent helical blade.
As a preferred scheme of the invention, the lower side of the rear end of the compound frame is provided with an air guide hole, and one end of the connecting pipeline is connected with the air guide hole; .
In a preferred embodiment of the present invention, the outer end surface of the spiral blade touches the inner wall surface of the compound frame.
As a preferred scheme of the invention, the purification mechanism comprises a purification frame, an activated carbon layer, an exhaust fan, an exhaust pipe, an auxiliary pipe and an output high pipe, wherein the purification frame is arranged on the right side of the inner wall of the lower end of the placement frame, the activated carbon layer is uniformly arranged on the inner wall of the left end of the purification frame from top to bottom, the exhaust fan is arranged at the upper end of the purification frame, the exhaust fan is connected with the combination frame through the exhaust pipe, the exhaust fan is connected with the purification frame through the auxiliary pipe, and the output high pipe is arranged at the upper end of the purification frame. The air exhauster is through with exhaust tube and auxiliary tube in with the workshop waste gas direction purification frame after the chemical combination, and the activated carbon layer carries out filtration treatment to the workshop waste gas after the chemical combination for the workshop waste gas that is purified is discharged from the high pipe of output.
As a preferable scheme of the invention, sliding grooves are symmetrically formed at the left end and the right end of the adsorption rotary drum and the rotating ring, and the lifting outer cylinder is connected with the sliding grooves in a sliding manner.
As a preferred scheme of the invention, the interior of the calandria seat is of a cavity structure and the calandria seat is communicated with the air duct.
(III) advantageous effects
1. The adsorption points distributed all over the workshop and the adsorption areas of the adsorption points can be adjusted, so that the key air suction area of the workshop can be changed at will, and the problem that when the position of a machine is changed, the gathering point of waste gas in the workshop can be changed, but the adsorption point of the waste gas cannot be adjusted easily by the conventional workshop waste gas purification treatment equipment is solved; the invention solves the problem that a plurality of bubbles are often formed when the waste gas is introduced into the chemical agent, so that the chemical agent is led out without the reaction of the waste gas inside.
2. According to the invention, the washed workshop waste gas is guided into the chemical combination mechanism for chemical combination reaction through the arranged air suction pipe and the connecting pipeline, the workshop waste gas cannot be directly guided out of the chemical combination mechanism through the helical blade, the contact time of the waste gas and the chemical combination agent is prolonged, the helical blade and the stirring plate are driven to rotate by the driving motor through the rotating shaft, the waste gas is scattered by the stirring plate, and the waste gas and the chemical combination agent are fully contacted.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the plant exhaust gas purification treatment of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure of the adsorption unit of the present invention;
FIG. 4 is a schematic view of a part of the structure of the purification unit of the present invention;
FIG. 5 is an enlarged view of a portion I of FIG. 2 in accordance with the present invention;
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 5, a method for purifying and treating waste gas in a chemical plant uses a waste gas purifying device, the waste gas purifying device comprises a pipe seat 1, a gas guide pipe 2, an adsorption unit 3 and a purifying unit 4, and the method for treating the waste gas in the plant by using the waste gas purifying device further comprises the following steps:
s1, equipment checking: before starting the device, the device is subjected to routine inspection by a human;
s2, workshop production: starting workshop production so as to generate workshop waste gas needing purification treatment;
s3, adsorption operation: the workshop waste gas is led into a purification unit 4 through an adsorption unit 3;
s4, cleaning operation: the workshop waste gas is treated in a harmless way by a purification unit 4 and then is discharged;
the front end of the exhaust pipe seat 1 is uniformly provided with air guide pipes 2 from left to right, the upper ends of the air guide pipes 2 are uniformly provided with adsorption units 3 from front to back, and the upper end of the exhaust pipe seat 1 is provided with a purification unit 4; the interior of the calandria seat 1 is of a cavity structure, and the calandria seat 1 is communicated with the air duct 2. The air duct 2 spreads the adsorption unit 3 all over the whole workshop, introduces the workshop waste gas into the purification unit 4 through the adsorption unit 3, and discharges the workshop waste gas after the innocent treatment through the purification unit 4.
The adsorption unit 3 comprises an adsorption rotary drum 31, a rotary ring 32, a lifting outer drum 33, a breathable net 34, a material sucking frame 35, adsorption holes 36 and a filter screen 37, threaded holes are uniformly formed in the upper end of the air duct 2 from front to back, the adsorption rotary drum 31 is connected with the threaded holes in a threaded connection mode, the rotary ring 32 is arranged on the upper side of the outer wall of the adsorption rotary drum 31, the lifting outer drum 33 is connected with the adsorption rotary drum 31 in a sliding mode, the lifting outer drum 33 is connected with the rotary ring 32 in a sliding mode, the breathable net 34 is arranged at the upper end of the lifting rotary drum, the material sucking frame 35 is arranged at the upper end of the breathable net 34, the adsorption holes 36 are uniformly formed in the outer wall of the; the left and right ends of the adsorption rotary drum 31 and the rotating ring 32 are symmetrically provided with sliding grooves, and the lifting outer cylinder 33 is connected with the sliding grooves in a sliding mode. Workshop waste gas is absorbed through adsorption hole 36 and filter screen 37, and lift rotary drum 33 upwards feeds through the slip mode to make lift rotary drum 33 and absorption rotary drum 31 separate, swivel 32 drives the lift urceolus 33 rotatory, makes absorption rotary drum 31 bearing lift rotary drum 33, thereby makes ventilative net 34 leak, has increased the area of contact of absorption unit 3 with waste gas.
The purification unit 4 comprises a placement frame 41, a washing frame 42, an air guide pipe 43, an atomization ejector 44, a chemical combination mechanism 45, a negative pressure fan 46, an air suction pipe 47, a connecting pipeline 48 and a purification mechanism 49, the placement frame 41 is arranged at the upper end of the tube bank 1, the washing frame 42 is arranged on the rear side of the inner wall of the lower end of the placement frame 41, the washing frame 42 is connected with the tube bank 1 through the air guide pipe 43, the atomization ejectors 44 are uniformly arranged on the inner walls of the front end and the rear end of the washing frame 42 from top to bottom, the chemical combination mechanism 45 is arranged on the front side of the inner wall of the lower end of the placement frame 41, the negative pressure fan 46 is arranged at the upper end of the chemical combination mechanism 45, the air suction pipe 47 is connected between the negative pressure fan 46 and the washing frame 42, the connecting pipeline 48 is connected between the negative pressure; the suction fan 46 sucks the peripheral plant exhaust gas from the adsorption unit 3, introduces the plant exhaust gas into the washing frame 42 through the exhaust pipe seat 1 and the air guide pipe 2, generates water mist in the washing frame 42 by the atomizing injector 44, removes dust and other impurities in the plant exhaust gas, guides the washed plant exhaust gas into the combining mechanism 45 by the air suction pipe 47 and the connecting pipe 48 for a combining reaction, and filters the combined plant exhaust gas by the purifying mechanism 49 to discharge the combined plant exhaust gas.
The combination mechanism 45 comprises a combination frame 451, a driving motor 452, a rotating shaft 453, helical blades 454 and stirring plates 455, the combination frame 451 is arranged on the front side of the inner wall of the lower end of the placement frame 41, the driving motor 452 is arranged on the inner wall of the upper end of the combination frame 451 through a motor base, the rotating shaft 453 is arranged on the inner wall of the lower end of the combination frame 451 through a bearing, the output end of the driving motor 452 is connected with the upper end of the rotating shaft 453 through a coupling, the helical blades 454 are uniformly arranged on the outer wall of the rotating shaft 453 from top to bottom, and the stirring plates 455 are uniformly arranged between the adjacent helical blades 454. An air guide hole is formed in the lower side of the rear end of the combination frame 451, and one end of the connecting pipeline 48 is connected with the air guide hole; the outer end surface of the spiral blade 454 touches the inner wall surface of the compound frame 451. Helical blade 454 makes in workshop waste gas can not directly derive the chemical combination agent, has prolonged waste gas and chemical combination agent's contact time, and driving motor 452 passes through axis of rotation 453 and drives helical blade 454 and stirring board 455 and rotate for waste gas is broken up by the stirring board, thereby makes waste gas and chemical combination agent fully contact.
The purification mechanism 49 comprises a purification frame 491, an activated carbon layer 492, an exhaust fan 493, an exhaust pipe 494, an auxiliary pipe 495 and an output high pipe 496, wherein the purification frame 491 is arranged on the right side of the inner wall of the lower end of the placement frame 41, the activated carbon layer 492 is uniformly arranged on the inner wall of the left end of the purification frame 491 from top to bottom, the exhaust fan 493 is arranged at the upper end of the purification frame 491, the exhaust fan 493 is connected with the combination frame 451 through the exhaust pipe 494, the exhaust fan 493 is connected with the purification frame 491 through the auxiliary pipe 495, and the output high pipe 496 is arranged at the upper end of the purification frame. The exhaust blower 493 guides the combined plant exhaust gas to the purification frame 491 through the exhaust pipe 494 and the auxiliary pipe 495, and the activated carbon layer 492 filters the combined plant exhaust gas so that the purified plant exhaust gas is discharged from the output pipe 495.
The working process is as follows: fix the complete part of stranded wire to card line unit 2 through the manual work in, card line unit 2 restricts the degree of freedom that feeds about the stranded wire, pastes the complete part of stranded wire at most through the manual work with waterproof adhesive tape, screws up the stranded copper line that unit 3 will expose and winds the book to drive the stranded wire rotation after the wire winding, thereby at the peripheral winding waterproof adhesive tape 393 of copper line that exposes.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a chemical industry workshop exhaust purification processing method, its used exhaust purification device, this exhaust purification device includes calandria seat (1), air duct (2), adsorbs unit (3) and purifying unit (4), its characterized in that: the method for treating the workshop waste gas by adopting the waste gas purification device further comprises the following steps:
s1, equipment checking: before starting the device, the device is subjected to routine inspection by a human;
s2, workshop production: starting workshop production so as to generate workshop waste gas needing purification treatment;
s3, adsorption operation: introducing the workshop waste gas into a purification unit (4) through an adsorption unit (3);
s4, cleaning operation: the workshop waste gas is subjected to harmless treatment through a purification unit (4) and then is discharged;
the front end of the tube bank seat (1) is uniformly provided with air guide tubes (2) from left to right, the upper ends of the air guide tubes (2) are uniformly provided with adsorption units (3) from front to back, and the upper end of the tube bank seat (1) is provided with a purification unit (4);
the adsorption unit (3) comprises an adsorption rotary drum (31), a rotary ring (32), a lifting outer drum (33), a breathable net (34), a material adsorption frame (35), adsorption holes (36) and a filter screen (37), wherein the upper end of the air guide pipe (2) is uniformly provided with threaded holes from front to back, the adsorption rotary drum (31) is connected with the threaded holes in a threaded connection mode, the rotary ring (32) is arranged on the upper side of the outer wall of the adsorption rotary drum (31), the lifting outer drum (33) is connected with the adsorption rotary drum (31) in a sliding mode, the lifting outer drum (33) is connected with the rotary ring (32) in a sliding mode, the breathable net (34) is arranged at the upper end of the lifting rotary drum, the upper end of the breathable net (34) is provided with the material adsorption frame (35), the adsorption holes (36) are uniformly formed in the outer wall of the material;
the purification unit (4) comprises a placement frame (41), a water washing frame (42), an air guide pipe (43), atomizing sprayers (44), a combination mechanism (45), a negative pressure fan (46), an air suction pipe (47), a connecting pipeline (48) and a purification mechanism (49), the placement frame (41) is arranged at the upper end of the tube bank seat (1), the water washing frame (42) is arranged at the rear side of the inner wall of the lower end of the placement frame (41), the water washing frame (42) is connected with the tube bank seat (1) through the air guide pipe (43), the atomizing sprayers (44) are uniformly arranged on the inner walls of the front and rear ends of the water washing frame (42) from top to bottom, the combination mechanism (45) is arranged at the front side of the inner wall of the lower end of the placement frame (41), the negative pressure fan (46) is arranged at the upper end of the combination mechanism (45), the air suction pipe (47) is connected between the negative pressure fan (46) and the water washing frame (42), the, the purification mechanism (49) is arranged on the upper right side of the inner wall of the lower end of the placing frame (41);
the compound mechanism (45) comprises a compound frame (451), a driving motor (452), a rotating shaft (453), helical blades (454) and a stirring plate (455), the compound frame (451) is arranged on the front side of the inner wall of the lower end of the placement frame (41), the driving motor (452) is arranged on the inner wall of the upper end of the compound frame (451) through a motor base, the rotating shaft (453) is arranged on the inner wall of the lower end of the compound frame (451) through a bearing, the output end of the driving motor (452) is connected with the upper end of the rotating shaft (453) through a coupler, the outer wall of the rotating shaft (453) is uniformly provided with the helical blades (454) from top to bottom, and the stirring plate (455) is uniformly arranged between the adjacent helical blades (454).
2. The chemical plant waste gas purification treatment method according to claim 1, characterized in that: an air guide hole is formed in the lower side of the rear end of the combination frame (451), and one end of the connecting pipeline (48) is connected with the air guide hole.
3. The chemical plant waste gas purification treatment method according to claim 2, characterized in that: the outer end surface of the helical blade (454) touches the inner wall surface of the compound frame (451).
4. The chemical plant waste gas purification treatment method according to claim 2, characterized in that: purification mechanism (49) including purifying frame (491), activated carbon layer (492), air exhauster (493), exhaust tube (494), auxiliary pipe (495) and output high pipe (496), purifying frame (491) sets up in arrangement frame (41) lower extreme inner wall right side, purifying frame (491) left end inner wall from last down evenly is provided with activated carbon layer (492), purifying frame (491) upper end is provided with air exhauster (493), be connected through exhaust tube (494) between air exhauster (493) and the combination frame (451), air exhauster (493) are connected through auxiliary pipe (495) with purifying frame (491), purifying frame (491) upper end is provided with output high pipe (496).
5. The chemical plant waste gas purification treatment method according to claim 1, characterized in that: the left end and the right end of the adsorption rotary drum (31) and the rotating ring (32) are symmetrically provided with sliding grooves, and the lifting outer cylinder (33) is connected with the sliding grooves in a sliding mode.
6. The chemical plant waste gas purification treatment method according to claim 1, characterized in that: the interior of the calandria seat (1) is of a cavity structure, and the calandria seat (1) is communicated with the air duct (2).
CN202010760452.5A 2020-07-31 2020-07-31 Chemical workshop waste gas purification treatment method Withdrawn CN111773886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010760452.5A CN111773886A (en) 2020-07-31 2020-07-31 Chemical workshop waste gas purification treatment method

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Application Number Priority Date Filing Date Title
CN202010760452.5A CN111773886A (en) 2020-07-31 2020-07-31 Chemical workshop waste gas purification treatment method

Publications (1)

Publication Number Publication Date
CN111773886A true CN111773886A (en) 2020-10-16

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CN202010760452.5A Withdrawn CN111773886A (en) 2020-07-31 2020-07-31 Chemical workshop waste gas purification treatment method

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115739838A (en) * 2022-11-08 2023-03-07 无锡雪浪环境科技股份有限公司 Lithium cell cathode material graphitization waste gas collection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115739838A (en) * 2022-11-08 2023-03-07 无锡雪浪环境科技股份有限公司 Lithium cell cathode material graphitization waste gas collection device

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Application publication date: 20201016