CN113041796A - Multipurpose gas absorption device and multipurpose gas absorption method - Google Patents
Multipurpose gas absorption device and multipurpose gas absorption method Download PDFInfo
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- CN113041796A CN113041796A CN202110266295.7A CN202110266295A CN113041796A CN 113041796 A CN113041796 A CN 113041796A CN 202110266295 A CN202110266295 A CN 202110266295A CN 113041796 A CN113041796 A CN 113041796A
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 478
- 238000000034 method Methods 0.000 title claims description 29
- 238000003756 stirring Methods 0.000 claims abstract description 32
- 230000000694 effects Effects 0.000 claims abstract description 23
- 230000002265 prevention Effects 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 198
- 239000002699 waste material Substances 0.000 claims description 47
- 238000007789 sealing Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 3
- 231100000331 toxic Toxicity 0.000 abstract description 9
- 230000002588 toxic effect Effects 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 186
- 239000000306 component Substances 0.000 description 12
- 239000002250 absorbent Substances 0.000 description 9
- 230000002745 absorbent Effects 0.000 description 9
- 230000002378 acidificating effect Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 229910052729 chemical element Inorganic materials 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007705 chemical test Methods 0.000 description 1
- 238000013098 chemical test method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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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
- B01D53/14—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
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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
- B01D53/14—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
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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
- B01D53/14—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
- B01D53/1412—Controlling the absorption process
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Abstract
The invention provides a multipurpose gas absorption device applied to the technical field of harmful gas or interference gas absorption treatment, wherein the upper part of a suck-back prevention chamber (102) of a device body (203) is connected with an air inlet guide pipe (101), the lower part of the suck-back prevention chamber (102) is provided with a gas absorption chamber (103), the upper part (110) of the absorption chamber is provided with a plurality of upper air inlet hole sheets (112), the upper air inlet hole sheets (112) are provided with a plurality of upper air inlet holes (108), the lower part (111) of the absorption chamber is provided with a plurality of lower air outlet hole sheets (113), the lower air outlet hole sheets (113) are provided with a plurality of lower air outlet holes (109), a stirring shaft (105) is arranged between each pair of the upper air inlet hole sheets (112) and the lower air outlet hole sheets (113), and each stirring shaft (105) is respectively provided with a stirring fan (104) Alkaline, toxic and harmful gas absorption, high absorption efficiency and real-time guarantee of absorption effect.
Description
Technical Field
The invention belongs to the technical field of harmful gas or interference gas absorption treatment, and particularly relates to a multipurpose gas absorption device and a multipurpose gas absorption method.
Background
The multipurpose gas absorption device is mainly used for the following aspects: first, in a quantitative analysis test of a part of chemical elements, when fragments of a sample are dissolved in an open beaker in a fume hood in a conventional manner, a relatively concentrated nitrogen oxide gas is generated to escape, which may cause a part of the analyzed chemical elements to be lost, and finally, accuracy of an analysis result of the chemical elements is affected, resulting in a small detection result. Second, a large amount of harmful gases may be generated during chemical testing if they are exhausted directly from the laboratory through an iso-exhaust system. The discharged harmful gases can affect the environment around the laboratory, pollute the atmosphere, harm the health of testers and personnel around the laboratory, do not meet the requirements of environmental protection and development of green low-carbon economy, and need to be treated. Thirdly, during the chemical test, the generated gas product needs to be purified sometimes, and the chemical reagent is used to absorb the redundant interfering gas components in the gas product, so as to obtain the gas product with higher purity. Fourthly, the tail gas of the automobile and the ship is purified, and various absorption liquids are used for removing toxic and harmful gases generated in gas products to realize purification treatment, so that the emission of various toxic and harmful gases in the tail gas of the automobile and the ship is reduced.
The large and medium-sized laboratory usually adopts absorption tower, spray set etc. to carry out gas absorption processing, but these gas absorption processing apparatus manufacturing cost and use cost are higher relatively, and the complicated area that occupies of structure is big, is difficult to remove, and use cost is higher, and the energy consumption is more, and each subassembly is connected complicatedly, and inconvenient dismantlement, installation and washing are in more application great-scale chemical reaction, so in the small-size chemical laboratory of using seldom. The simple gas absorption treatment device is low in absorption efficiency, poor in tightness and incapable of guaranteeing the absorption effect in real time, so that harmful gas generated by a plurality of small tests is directly discharged into the air without being treated, the harm is generated to the surrounding environment and the physical health of testers, and the requirements of an environment protection and occupational health safety management system are not met.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects that a large-sized gas absorption device in the prior art has relatively high manufacturing cost and use cost, a complex structure, large floor area, difficulty in moving, high use cost, more energy consumption, complicated connection of all components, and inconvenience in disassembly, installation and cleaning; the multipurpose gas absorption device has the advantages of simple structure, convenience in operation, disassembly and assembly, convenience in cleaning, low cost, wide applicability, high absorption efficiency and capability of guaranteeing the absorption effect in real time, and is suitable for absorption of most acidic, alkaline, toxic and harmful gases. The device can also be used as a core component of a large-scale gas absorption device.
To solve the technical problems, the invention adopts the technical scheme that:
the invention relates to a multipurpose gas absorption device, which comprises a device body 203, wherein the upper part of a suck-back prevention chamber 102 of the device body 203 is connected with a gas inlet guide pipe 101, the lower part of the suck-back prevention chamber 102 of the device body 203 is provided with a gas absorption chamber 103, the suck-back prevention chamber 102 is of a cone-shaped structure with the upper section size smaller than the lower section size, the gas absorption chamber 103 comprises an absorption chamber upper part 110 and an absorption chamber lower part 111, the absorption chamber upper part 110 is provided with a plurality of upper gas inlet hole sheets 112, the upper gas inlet hole sheets 112 are provided with a plurality of upper gas inlet holes 108, the absorption chamber lower part 111 is provided with a plurality of lower gas outlet hole sheets 113, the lower gas outlet hole sheets 113 are provided with a plurality of lower gas outlet holes 109, a stirring shaft 105 is arranged between each pair of upper gas inlet hole sheets 112 and lower gas outlet hole sheets 113.
The device body 203 is arranged in a structure capable of being arranged in the absorption tank 203, the absorption tank cover 202 is arranged at the upper part of the absorption tank 203, when the device body 203 is arranged in the absorption tank 203, the air inlet guide pipe 101 penetrates through the absorption tank cover 202, the support rod 208 is arranged on the absorption tank cover 202, the height adjuster 209 is arranged on the support rod 208, the support rod 208 is connected with the air inlet guide pipe 101 through the fastening clamp 210, and the air outlet guide pipe 205 is also arranged on the absorption tank cover 202.
A plurality of uniformly arranged circular upper air inlet hole pieces 112 are arranged on the upper part 110 of the absorption chamber, each upper air inlet hole piece 112 comprises a plurality of uniformly arranged upper air inlet holes 108, a plurality of uniformly arranged circular lower air outlet hole pieces 113 are arranged on the lower part 111 of the absorption chamber, and each lower air outlet hole piece 113 comprises a plurality of uniformly arranged lower air outlet holes 109.
The lower surface of the upper air inlet hole sheet 112 is provided with a plurality of upper fixing grooves 106, the upper surface of the lower air outlet hole sheet 113 is provided with a plurality of lower fixing grooves 107, and a stirring shaft 105 is clamped between each upper fixing groove 106 and the corresponding lower fixing groove 107.
The absorption tank 203 is filled with absorption liquid, the absorption liquid comprises an absorption liquid level 204, and when the device body 203 is arranged in the absorption tank 203, the lower part of the anti-suck-back chamber 102 and the gas absorption chamber 103 are both arranged to be capable of being soaked in the absorption liquid.
A waste absorption liquid discharge pipe 215 is arranged at the side surface of the absorption tank 203 close to the lower part, and a waste absorption liquid discharge valve 214 is arranged on the waste absorption liquid discharge pipe 215; an absorption liquid level adjusting pipe 211 is arranged at the position, close to the middle part, of the side surface of the absorption tank 203, and an absorption liquid level adjusting valve 212 is arranged on the absorption liquid level adjusting pipe 211.
An absorption liquid replenishing hole 207 is formed in the absorption tank cover 202, and a sealing plug 206 is arranged in the absorption liquid replenishing hole 207.
The invention also relates to a multipurpose gas absorption method which has simple steps, convenient operation, convenient disassembly and assembly, convenient cleaning, low cost, wide applicability, high absorption efficiency and real-time absorption effect and can be suitable for absorbing most of acidic, alkaline, toxic and harmful gases. The multipurpose gas absorption method comprises the following steps:
s1, screwing an absorption tank cover 102, and adding sufficient absorption liquid into an absorption tank 101 to ensure that the height of the absorption liquid at least exceeds the highest point of an absorption liquid level adjusting pipe 211;
s2, the height of the fastening clamp 210 is adjusted by adjusting the height adjuster 209 on the support rod 208, the height of the bottom of the device body 203 is adjusted, the upper surface of the gas absorption chamber 103 at the bottom of the device body 203 is ensured to be lower than the height of the opening part of the absorption liquid level adjusting pipe 211, and the small circular upper air inlet 108 and the small circular lower air outlet 109 which are uniformly distributed are both positioned below the liquid level of the absorption liquid.
S3, opening the absorption liquid level regulating valve 212 on the absorption liquid level regulating pipe 211, and discharging redundant absorption liquid from the absorption liquid level regulating pipe 211. The absorption liquid level regulation valve 212 is closed. Tightly plugging the sealing plug 206, and introducing the gas to be absorbed through the gas inlet conduit 201;
s4, the absorption liquid gets into gas absorption chamber 103 from a plurality of lower ventholes 109, treat that absorption gas gets into gas absorption chamber 103 back through a plurality of last air inlet 108, treat that absorption gas flows and drives stirring fan 104 and use (mixing) shaft 105 to rotate as the center, the absorption gas and the absorption liquid of treating in the stirring gas absorption chamber 103, produce the vortex effect, absorption gas and absorption liquid are treated in the stirring, increase the contact surface of treating absorption gas and absorption liquid, accelerate the absorption rate of absorption liquid, slow down simultaneously and treat the absorption gas velocity of flow, let the absorption process more stable, rapider. Then, the gas to be absorbed is discharged out of the gas absorption chamber 103 through a plurality of fine uniformly distributed circular lower gas outlet holes 109, and is dispersed into a plurality of small bubbles, and the small bubbles are flushed into the absorption liquid at the bottom under the action of inertia and float to the surface of the absorption liquid, so that the absorption liquid is stirred, the contact area and the absorption time of the gas to be absorbed and the absorption liquid are increased, the absorption speed is further increased, the absorption efficiency is improved, and the real-time absorption effect of the absorption liquid is enhanced.
After the step S4 is completed, the process proceeds to step S5, after the gas absorption treatment is completed, the waste absorption liquid discharge valve 303 disposed on the waste absorption liquid discharge pipe 304 is opened, the waste absorption liquid is discharged from the waste absorption liquid discharge pipe 304, and the upper waste absorption liquid discharge valve 303 is closed, so that the step does not need to manually dump the waste absorption liquid, the operation mode is simple, and the labor cost and the time cost are saved; unscrewing the absorption tank cover 202 or pulling out the sealing plug 206, injecting clean water or distilled water from the absorption liquid replenishing hole 207 to clean the absorption tank 201, opening the waste absorption liquid discharge valve 214, discharging the waste cleaning liquid from the waste absorption liquid discharge pipe 215, closing the upper waste absorption liquid discharge valve 214, and cleaning for several times until the gas absorption treatment device is cleaned.
When the step S1 is performed, before a sufficient amount of absorption liquid is added to the absorption tank 101, the absorption tank is placed on a horizontal table, the sealing plug 206 is pulled off, and the hole 207 is filled with the absorption liquid; when the step S2 is performed, the height of the bottom of the apparatus main body 203 is adjusted so that all the gas absorption chamber 103 is always immersed in the absorption liquid when the apparatus main body is filled with the absorption liquid.
When the multipurpose gas absorption method is used for gas absorption treatment, different absorption liquids are filled into different absorption tanks, the different absorption tanks are respectively provided with a device body, and a plurality of harmful components or interference components in the gas to be absorbed are sequentially absorbed.
By adopting the technical scheme of the invention, the following beneficial effects can be obtained:
according to the multipurpose gas absorption device and the multipurpose gas absorption method, when gas absorption treatment is carried out, absorption liquid enters the gas absorption chamber 103 from the plurality of lower air outlets 109, after gas to be absorbed enters the gas absorption chamber 103 through the plurality of upper air outlets 108, the gas to be absorbed flows to drive the stirring fan 104 to rotate around the stirring shaft 105, the gas to be absorbed and the absorption liquid in the gas absorption chamber 103 are stirred to generate a vortex effect, the gas to be absorbed and the absorption liquid are stirred, the contact surface between the gas to be absorbed and the absorption liquid is increased, the absorption speed of the absorption liquid is accelerated, the flow speed of the gas to be absorbed is reduced, and the absorption process is more stable and quicker. Then, the gas to be absorbed is discharged out of the gas absorption chamber 103 through a plurality of fine uniformly distributed circular lower gas outlet holes 109, and is dispersed into a plurality of small bubbles, and the small bubbles are flushed into the absorption liquid at the bottom under the action of inertia and float to the surface of the absorption liquid, so that the absorption liquid is stirred, the contact area and the absorption time of the gas to be absorbed and the absorption liquid are increased, the absorption speed is further accelerated, the absorption efficiency is improved, the real-time absorption effect of the absorption liquid is enhanced, and the gas absorption chamber is simple in structure, easy to process and easy to clean. The multipurpose gas absorption method aims at the defects that a large gas absorption device in the prior art is relatively high in manufacturing cost and use cost, complex in structure, large in occupied area, difficult to move, high in use cost, high in energy consumption, complex in connection of all components, inconvenient to detach, install and clean; the simple gas absorption treatment device has the advantages of low absorption efficiency, poor tightness and incapability of guaranteeing the absorption effect in real time, and provides the gas absorption treatment device which is simple in structure, convenient to operate, disassemble and assemble, clean, low in cost, wide in applicability, suitable for absorption of most acidic, alkaline, toxic and harmful gases, high in absorption efficiency and capable of guaranteeing the absorption effect in real time.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic view of the structure of the apparatus body of the multipurpose gas absorption apparatus according to the present invention;
FIG. 2 is a schematic view showing the construction of an absorption tank of the multipurpose gas absorption apparatus according to the present invention;
FIG. 3 is a schematic view of the arrangement of the multipurpose gas absorption apparatus according to the present invention when the number of gas absorption chambers is small;
FIG. 4 is a schematic view of the arrangement of the multipurpose gas absorption apparatus according to the present invention when the number of gas absorption chambers is large;
in the drawings, the reference numbers are respectively: 101. an air intake duct; 102. a suck-back prevention chamber; 103. a gas absorption chamber; 104. a stirring fan; 105. a stirring shaft; 106. an upper fixing groove; 107. a lower fixing groove; 108. an upper air inlet hole; 109. a lower air outlet hole; 110. the upper part of the absorption chamber; 111. the lower part of the absorption chamber; 112. an upper air inlet hole sheet; 113. a lower vent plate; 201. an absorption tank; 202. an absorbent canister cover; 203. a device body; 204. the liquid level of the absorption liquid; 205. an air outlet duct; 206. a sealing plug; 207. an absorption liquid replenishing hole; 208. a support rod; 209. a height adjuster; 210. a fastening clip; 211. a liquid level adjusting pipe for the absorption liquid; 212. an absorption liquid level regulating valve; 214. a waste absorption liquid discharge valve; 215. and a waste absorption liquid discharge pipe.
Detailed Description
The following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relations among the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments:
as shown in fig. 1 to 4, the present invention is a multipurpose gas absorption apparatus, which includes an apparatus body 203, an upper portion of a suck-back prevention chamber 102 of the apparatus body 203 is connected to a gas inlet duct 101, a gas absorption chamber 103 is disposed at a lower portion of the suck-back prevention chamber 102 of the apparatus body 203, the suck-back prevention chamber 102 is a cone structure having an upper cross-sectional dimension smaller than a lower cross-sectional dimension, the gas absorption chamber 103 includes an absorption chamber upper portion 110 and an absorption chamber lower portion 111, a plurality of upper gas inlet hole pieces 112 are disposed on the absorption chamber upper portion 110, a plurality of upper gas inlet holes 108 are disposed on the upper gas inlet hole pieces 112, a plurality of lower gas outlet hole pieces 113 are disposed on the absorption chamber lower portion 111, a plurality of lower gas outlet holes 109 are disposed on the lower gas outlet hole pieces 113, a stirring shaft 105 is disposed between each pair of upper gas inlet hole pieces 112 and lower gas outlet hole pieces 113. Above-mentioned structure, when carrying out gas absorption and handling, the absorption liquid gets into gas absorption room 103 from a plurality of lower ventholes 109, treat that absorption gas gets into gas absorption room 103 back through a plurality of last air inlets 108, treat that absorption gas flows and drives stirring fan 104 and use (mixing) shaft 105 to rotate as the center, treat absorption gas and absorption liquid in the stirring gas absorption room 103, produce vortex effect, absorption gas and absorption liquid are treated in the stirring, the increase is treated the contact surface of absorption gas and absorption liquid, accelerate the absorption rate of absorption liquid, slow down simultaneously and treat the absorption gas velocity of flow, let the absorption process more stable, rapider. Then, the gas to be absorbed is discharged out of the gas absorption chamber 103 through a plurality of fine uniformly distributed circular lower gas outlet holes 109, and is dispersed into a plurality of small bubbles, and the small bubbles are flushed into the absorption liquid at the bottom under the action of inertia and float to the surface of the absorption liquid, so that the absorption liquid is stirred, the contact area and the absorption time of the gas to be absorbed and the absorption liquid are increased, the absorption speed is further increased, the absorption efficiency is improved, and the real-time absorption effect of the absorption liquid is enhanced. The multipurpose gas absorption device provided by the invention aims at the defects that a large gas absorption device in the prior art is relatively high in manufacturing cost and use cost, complex in structure, large in occupied area, difficult to move, high in use cost, high in energy consumption, complex in connection of components, inconvenient to detach, install and clean; the simple gas absorption treatment device has the advantages of low absorption efficiency, poor tightness and incapability of guaranteeing the absorption effect in real time, and provides the gas absorption treatment device which is simple in structure, convenient to operate, disassemble and assemble, clean, low in cost, wide in applicability, suitable for absorption of most acidic, alkaline, toxic and harmful gases, high in absorption efficiency and capable of guaranteeing the absorption effect in real time.
The device body 203 is arranged in a structure capable of being arranged in the absorption tank 203, the absorption tank cover 202 is arranged at the upper part of the absorption tank 203, when the device body 203 is arranged in the absorption tank 203, the air inlet guide pipe 101 penetrates through the absorption tank cover 202, the support rod 208 is arranged on the absorption tank cover 202, the height adjuster 209 is arranged on the support rod 208, the support rod 208 is connected with the air inlet guide pipe 101 through the fastening clamp 210, and the air outlet guide pipe 205 is also arranged on the absorption tank cover 202.
The absorption chamber upper part 110 is provided with a plurality of uniformly arranged circular upper air inlet hole sheets 112, each upper air inlet hole sheet 112 comprises a plurality of uniformly arranged upper air inlet holes 108, the absorption chamber lower part 111 is provided with a plurality of uniformly arranged circular lower air outlet hole sheets 113, and each lower air outlet hole sheet 113 comprises a plurality of uniformly arranged lower air outlet holes 109.
The lower surface of the upper air inlet hole sheet 112 is provided with a plurality of upper fixing grooves 106, the upper surface of the lower air outlet hole sheet 113 is provided with a plurality of lower fixing grooves 107, and a stirring shaft 105 is clamped between each upper fixing groove 106 and the corresponding lower fixing groove 107.
The absorption tank 203 is filled with absorption liquid, the absorption liquid comprises an absorption liquid level 204, and when the device body 203 is arranged in the absorption tank 203, the lower part of the anti-suck-back chamber 102 and the gas absorption chamber 103 are both arranged to be capable of being soaked in the absorption liquid.
A waste absorption liquid discharge pipe 215 is arranged at the side surface of the absorption tank 203 close to the lower part, and a waste absorption liquid discharge valve 214 is arranged on the waste absorption liquid discharge pipe 215; an absorption liquid level adjusting pipe 211 is arranged at the position, close to the middle part, of the side surface of the absorption tank 203, and an absorption liquid level adjusting valve 212 is arranged on the absorption liquid level adjusting pipe 211.
An absorption liquid replenishing hole 207 is formed in the absorption tank cover 202, and a sealing plug 206 is arranged in the absorption liquid replenishing hole 207.
In the multipurpose gas absorption apparatus of the present invention, the gas inlet duct 101 is disposed at the top of the apparatus body 203 and is a passage into which gas to be absorbed flows. The suck-back prevention chamber 102 is arranged in the middle of the device body 203, the upper part is the air inlet guide pipe 101, the lower part is a plurality of gas absorption chambers 103, the suck-back prevention chamber is of a cone cavity structure and has a suck-back prevention function, absorption liquid is prevented from being sucked back from the air inlet guide pipe 101, and each gas absorption chamber 103 is matched with an upper air inlet hole sheet 112 and a lower air outlet hole sheet 113. The gas absorption chambers 103 are disposed at the bottom of the apparatus body 203, and are cylindrical cavities, and are uniformly distributed along the same circumference at the bottom of the apparatus body 203, and a plurality of the apparatus bodies 203 may be disposed on the same circumference, and the radius of the lower portion 111 of the absorption chamber at the bottom of the apparatus body 203 may be increased, and a plurality of the gas absorption chambers 103 may be uniformly disposed on a plurality of layers of circumferences, as shown in fig. 3 and 4. The upper fixing groove 106 and the lower fixing groove 107 are respectively disposed on the upper vent hole piece 112 and the lower vent hole piece 113 of each gas absorption chamber 103, and are used for fixing the stirring shaft 105, and the stirring fan 104 rotates around the stirring shaft 105. The upper gas inlet holes 108 are a plurality of fine circular holes uniformly distributed. The lower air outlet holes 109 are a plurality of fine uniformly distributed circular holes. The stirring fan 104 has 3-6 blades, and is uniformly distributed along the circumference with the stirring shaft 105 as the center.
The absorption tank 201 is a container of the gas absorption treatment apparatus. Absorption jar lid 202 is located the absorption jar 201 top, is provided with sealing washer and helicitic texture in the absorption jar lid 202, can dismantle, makes things convenient for the inside washing of absorption jar 201. The air outlet pipe 205 and the support rod 208 are arranged on the absorption tank cover 202. The hanger bar 208 is disposed on the absorbent canister cover 102. The height adjuster 209 is provided on the holder bar 208 to be movable up and down along the holder bar 208. A fastening clip 210 is provided at the end of the height adjuster 209. The fastening clip 210 clamps the intake duct 101 of the device body 203, and the height of the fastening clip 210 is adjusted by adjusting the height adjuster 209 on the bracket rod 208, and the height of the bottom of the device body 203 can be indirectly adjusted. The upper surface of the gas absorption chamber 103 at the bottom of the multipurpose gas absorption device 203 is ensured to be slightly lower than the height of the opening part of the absorption liquid level adjusting pipe 211, so that the gas absorption chamber 103 at the bottom of the multipurpose gas absorption device 203 is ensured to be always immersed in the absorption liquid when the absorption liquid is filled, and the plurality of fine and uniformly distributed circular upper air inlet holes 108 and lower air outlet holes 109 are positioned below the liquid level of the absorption liquid. The absorption liquid replenishing hole 207 is provided in the absorption tank cover 202, and the absorption tank 201 is securely sealed by the sealing plug 206. In operation, the sealing plug 206 is pulled out, and the absorbent is replenished into the canister 201 through the absorbent replenishment hole 207. The absorption liquid level adjusting pipe 211 is arranged in the middle of the absorption tank 201, and the absorption liquid level adjusting valve 212 is arranged on the absorption liquid level adjusting pipe 211, so that the discharge of the redundant absorption liquid is controlled by the absorption liquid level adjusting valve 212. The absorption liquid level does not need to be adjusted manually, the operation mode is simple, and the labor cost and the time cost are saved. A waste absorbent discharge pipe 215 is provided at the bottom of the absorption tank 201, and a waste absorbent discharge valve 214 is provided on the waste absorbent discharge pipe 215, and the discharge of the waste absorbent is controlled by the waste absorbent discharge valve 214. Waste absorption liquid does not need to be poured manually, the operation mode is simple, and the labor cost and the time cost are saved.
The invention also relates to a multipurpose gas absorption method which has simple steps, convenient operation, convenient disassembly and assembly, convenient cleaning, low cost, wide applicability, high absorption efficiency and real-time absorption effect and can be suitable for absorbing most of acidic, alkaline, toxic and harmful gases. The multipurpose gas absorption method comprises the following steps:
s1, screwing an absorption tank cover 102, and adding sufficient absorption liquid into an absorption tank 101 to ensure that the height of the absorption liquid at least exceeds the highest point of an absorption liquid level adjusting pipe 211;
s2, the height of the fastening clamp 210 is adjusted by adjusting the height adjuster 209 on the support rod 208, the height of the bottom of the device body 203 is adjusted, the upper surface of the gas absorption chamber 103 at the bottom of the device body 203 is ensured to be lower than the height of the opening part of the absorption liquid level adjusting pipe 211, and the small circular upper air inlet 108 and the small circular lower air outlet 109 which are uniformly distributed are both positioned below the liquid level of the absorption liquid.
S3, opening the absorption liquid level regulating valve 212 on the absorption liquid level regulating pipe 211, and discharging redundant absorption liquid from the absorption liquid level regulating pipe 211. The absorption liquid level regulation valve 212 is closed. Tightly plugging the sealing plug 206, and introducing the gas to be absorbed through the gas inlet conduit 201;
s4, the absorption liquid gets into gas absorption chamber 103 from a plurality of lower ventholes 109, treat that absorption gas gets into gas absorption chamber 103 back through a plurality of last air inlet 108, treat that absorption gas flows and drives stirring fan 104 and use (mixing) shaft 105 to rotate as the center, the absorption gas and the absorption liquid of treating in the stirring gas absorption chamber 103, produce the vortex effect, absorption gas and absorption liquid are treated in the stirring, increase the contact surface of treating absorption gas and absorption liquid, accelerate the absorption rate of absorption liquid, slow down simultaneously and treat the absorption gas velocity of flow, let the absorption process more stable, rapider. Then, the gas to be absorbed is discharged out of the gas absorption chamber 103 through a plurality of fine uniformly distributed circular lower gas outlet holes 109, and is dispersed into a plurality of small bubbles, and the small bubbles are flushed into the absorption liquid at the bottom under the action of inertia and float to the surface of the absorption liquid, so that the absorption liquid is stirred, the contact area and the absorption time of the gas to be absorbed and the absorption liquid are increased, the absorption speed is further increased, the absorption efficiency is improved, and the real-time absorption effect of the absorption liquid is enhanced.
After the step S4 is completed, the process proceeds to step S5, after the gas absorption treatment is completed, the waste absorption liquid discharge valve 303 disposed on the waste absorption liquid discharge pipe 304 is opened, the waste absorption liquid is discharged from the waste absorption liquid discharge pipe 304, and the upper waste absorption liquid discharge valve 303 is closed, so that the step does not need to manually dump the waste absorption liquid, the operation mode is simple, and the labor cost and the time cost are saved; unscrewing the absorption tank cover 202 or pulling out the sealing plug 206, injecting clean water or distilled water from the absorption liquid replenishing hole 207 to clean the absorption tank 201, opening the waste absorption liquid discharge valve 214, discharging the waste cleaning liquid from the waste absorption liquid discharge pipe 215, closing the upper waste absorption liquid discharge valve 214, and cleaning for several times until the gas absorption treatment device is cleaned.
When the step S1 is performed, before a sufficient amount of absorption liquid is added to the absorption tank 101, the absorption tank is placed on a horizontal table, the sealing plug 206 is pulled off, and the hole 207 is filled with the absorption liquid; when the step S2 is performed, the height of the bottom of the apparatus main body 203 is adjusted so that all the gas absorption chamber 103 is always immersed in the absorption liquid when the apparatus main body is filled with the absorption liquid.
When the multipurpose gas absorption method is used for gas absorption treatment, different absorption liquids are filled into different absorption tanks, the different absorption tanks are respectively provided with a device body, and a plurality of harmful components or interference components in the gas to be absorbed are sequentially absorbed.
According to the multipurpose gas absorption device and the multipurpose gas absorption method, when gas absorption treatment is carried out, absorption liquid enters the gas absorption chamber 103 from the plurality of lower air outlets 109, after gas to be absorbed enters the gas absorption chamber 103 through the plurality of upper air outlets 108, the gas to be absorbed flows to drive the stirring fan 104 to rotate around the stirring shaft 105, the gas to be absorbed and the absorption liquid in the gas absorption chamber 103 are stirred to generate a vortex effect, the gas to be absorbed and the absorption liquid are stirred, the contact surface between the gas to be absorbed and the absorption liquid is increased, the absorption speed of the absorption liquid is accelerated, the flow speed of the gas to be absorbed is reduced, and the absorption process is more stable and quicker. Then, the gas to be absorbed is discharged out of the gas absorption chamber 103 through a plurality of fine uniformly distributed circular lower gas outlet holes 109, and is dispersed into a plurality of small bubbles, and the small bubbles are flushed into the absorption liquid at the bottom under the action of inertia and float to the surface of the absorption liquid, so that the absorption liquid is stirred, the contact area and the absorption time of the gas to be absorbed and the absorption liquid are increased, the absorption speed is further increased, the absorption efficiency is improved, and the real-time absorption effect of the absorption liquid is enhanced. The multipurpose gas absorption method aims at the defects that a large gas absorption device in the prior art is relatively high in manufacturing cost and use cost, complex in structure, large in occupied area, difficult to move, high in use cost, high in energy consumption, complex in connection of all components, inconvenient to detach, install and clean; the simple gas absorption treatment device has the advantages of low absorption efficiency, poor tightness and incapability of guaranteeing the absorption effect in real time, and provides the gas absorption treatment device which is simple in structure, convenient to operate, disassemble and assemble, clean, low in cost, wide in applicability, suitable for absorption of most acidic, alkaline, toxic and harmful gases, high in absorption efficiency and capable of guaranteeing the absorption effect in real time.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, changes and equivalents of the embodiments of the invention, and its application to other applications without departing from the spirit and scope of the invention.
Claims (10)
1. A multipurpose gas absorption apparatus, characterized by: the device comprises a device body (203), the upper part of a suck-back prevention chamber (102) of the device body (203) is connected with an air inlet guide pipe (101), the lower part of the suck-back prevention chamber (102) of the device body (203) is provided with an air absorption chamber (103), the suck-back prevention chamber (102) is of a cone-shaped body structure with the upper section size smaller than the lower section size, the air absorption chamber (103) comprises an absorption chamber upper part (110) and an absorption chamber lower part (111), a plurality of upper air inlet hole pieces (112) are arranged on the absorption chamber upper part (110), a plurality of upper air inlet holes (108) are arranged on the upper air inlet hole pieces (112), a plurality of lower air outlet hole pieces (113) are arranged on the absorption chamber lower part (111), a plurality of lower air outlet holes (109) are arranged on the lower air outlet hole pieces (113), a stirring shaft (105) is arranged between each pair of the upper air inlet hole pieces (112) and the lower air outlet hole pieces (113), and a stirring.
2. The multipurpose gas absorption apparatus according to claim 1, wherein: the device body (203) is arranged to be capable of being arranged in the absorption tank (203), the upper portion of the absorption tank (203) is provided with an absorption tank cover (202), when the device body (203) is arranged in the absorption tank (203), the air inlet guide pipe (101) penetrates through the absorption tank cover (202), the support rod (208) is arranged on the absorption tank cover (202), the support rod (208) is provided with a height adjuster (209), the support rod (208) is connected with the air inlet guide pipe (101) through the fastening clamp (210), and the absorption tank cover (202) is further provided with an air outlet guide pipe (205).
3. The multipurpose gas absorption apparatus according to claim 1 or 2, wherein: absorption chamber upper portion (110) on set up a plurality of circular last inlet hole pieces (112) of evenly arranging, every goes up inlet hole piece (112) and includes a plurality of last air inlet hole (108) of evenly arranging, set up a plurality of circular lower outlet hole pieces (113) of evenly arranging on absorption chamber lower part (111), every lower outlet hole piece (113) includes a plurality of lower outlet holes (109) of evenly arranging.
4. The multipurpose gas absorption apparatus according to claim 3, wherein: the lower surface of the upper air inlet hole piece (112) is provided with a plurality of upper fixing grooves (106), the upper surface of the lower air outlet hole piece (113) is provided with a plurality of lower fixing grooves (107), and a stirring shaft (105) is clamped between each upper fixing groove (106) and one corresponding lower fixing groove (107).
5. The multipurpose gas absorption apparatus according to claim 2, wherein: the absorption tank (203) is filled with absorption liquid, the absorption liquid comprises an absorption liquid level (204), and when the device body (203) is arranged in the absorption tank (203), the lower part of the suck-back prevention chamber (102) and the gas absorption chamber (103) are both arranged into a structure capable of being soaked in the absorption liquid.
6. The multipurpose gas absorption apparatus according to claim 2, wherein: a waste absorption liquid discharge pipe (215) is arranged at the side surface of the absorption tank (203) close to the lower part, and a waste absorption liquid discharge valve (214) is arranged on the waste absorption liquid discharge pipe (215); an absorption liquid level adjusting pipe (211) is arranged at the position, close to the middle part, of the side surface of the absorption tank (203), and an absorption liquid level adjusting valve (212) is arranged on the absorption liquid level adjusting pipe (211).
7. A multi-purpose gas absorption process characterized by: the multipurpose gas absorption method comprises the following steps:
s1, screwing an absorption tank cover (102), and adding sufficient absorption liquid into an absorption tank (101) to ensure that the height of the absorption liquid at least exceeds the highest point of an absorption liquid level adjusting pipe (211);
s2, the height of the fastening clamp (210) is adjusted by adjusting a height adjuster (209) on the support rod (208), the height of the bottom of the device body (203) is adjusted, the upper surface of the upper part (110) of the absorption chamber at the bottom of the device body (203) is ensured to be lower than the height of the opening part of the absorption liquid level adjusting pipe (211), and the small circular upper air inlet holes (108) and the small circular lower air outlet holes (109) which are uniformly distributed are positioned below the liquid level of the absorption liquid.
S3, opening an absorption liquid level regulating valve (212) on the absorption liquid level regulating pipe (211), discharging redundant absorption liquid from the absorption liquid level regulating pipe (211), closing the absorption liquid level regulating valve (212), plugging a sealing plug (206), and introducing gas to be absorbed through an air inlet guide pipe (201);
s4, absorbing liquid enters a gas absorbing chamber (103) from a plurality of lower air outlet holes (109), after gas to be absorbed enters the gas absorbing chamber (103) through a plurality of upper air inlet holes (108), the gas to be absorbed flows to drive a stirring fan (104) to rotate around a stirring shaft (105), the gas to be absorbed and the absorbing liquid in the gas absorbing chamber (103) are stirred to generate a vortex effect, the gas to be absorbed and the absorbing liquid are stirred, the contact surface between the gas to be absorbed and the absorbing liquid is increased, the absorbing speed of the absorbing liquid is accelerated, the flow rate of the gas to be absorbed is reduced at the same time, and the absorbing process is more stable and quicker; and then, gas to be absorbed is discharged from the gas absorption chamber (103) through a plurality of fine uniformly distributed circular lower gas outlet holes (109), is dispersed into a plurality of small bubbles, and is flushed into the absorption liquid at the bottom under the action of inertia and then floats to the surface of the absorption liquid, so that the absorption liquid is stirred, the contact area and the absorption time of the gas to be absorbed and the absorption liquid are increased, the absorption speed is accelerated, the absorption efficiency is improved, and the real-time absorption effect of the absorption liquid is enhanced.
8. The multipurpose gas absorption method according to claim 7, wherein: after the step S4 is completed, the process proceeds to step S5, and after the gas absorption treatment is completed, the waste absorption liquid discharge valve (303) disposed on the waste absorption liquid discharge pipe (304) is opened, the waste absorption liquid is discharged from the waste absorption liquid discharge pipe (304), and the upper waste absorption liquid discharge valve (303) is closed, so that the step does not need to manually dump the waste absorption liquid, the operation mode is simple, and the labor cost and the time cost are saved; unscrewing the absorption tank cover (202) or pulling out the sealing plug (206), injecting clear water or distilled water from the absorption liquid replenishing hole (207) to clean the absorption tank (201), then opening the waste absorption liquid discharge valve (214), discharging the waste cleaning liquid from the waste absorption liquid discharge pipe (215), closing the waste absorption liquid discharge valve (214), and cleaning for a plurality of times to clean the absorption tank (201).
9. The multipurpose gas absorption method according to claim 7 or 8, wherein: when the step S1 is carried out, before a sufficient amount of absorption liquid is added into the absorption tank (101), the absorption tank is placed on a horizontal table, the sealing plug (206) is pulled off, and the hole 207 is supplemented by the absorption liquid; when the step S2 is performed, the height of the bottom of the device body (203) is adjusted to ensure that all the gas absorption chambers (103) are always immersed in the absorption liquid when the device body is filled with the absorption liquid.
10. The multipurpose gas absorption method according to claim 7 or 8, wherein: when the multipurpose gas absorption method is used for gas absorption treatment, different absorption liquids are filled into different absorption tanks, the different absorption tanks are respectively provided with a device body, and a plurality of harmful components or interference components in the gas to be absorbed are sequentially absorbed.
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