CN106693578A - Air purification device applicable to long and narrow underground space at construction period - Google Patents
Air purification device applicable to long and narrow underground space at construction period Download PDFInfo
- Publication number
- CN106693578A CN106693578A CN201611215335.0A CN201611215335A CN106693578A CN 106693578 A CN106693578 A CN 106693578A CN 201611215335 A CN201611215335 A CN 201611215335A CN 106693578 A CN106693578 A CN 106693578A
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- air
- water
- underground space
- construction period
- pipe
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000004887 air purification Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000006243 chemical reaction Methods 0.000 claims abstract description 49
- 239000012670 alkaline solution Substances 0.000 claims abstract description 20
- 239000000243 solution Substances 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 25
- 239000007921 spray Substances 0.000 claims description 19
- 238000005507 spraying Methods 0.000 claims description 18
- 238000011001 backwashing Methods 0.000 claims description 11
- 239000010865 sewage Substances 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000001802 infusion Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 2
- 239000000428 dust Substances 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 6
- 231100000614 poison Toxicity 0.000 abstract 1
- 230000007096 poisonous effect Effects 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 239000002341 toxic gas Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000011797 cavity material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005399 mechanical ventilation Methods 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
- 239000002893 slag Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- 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
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses an air purification device applicable to a long and narrow underground space at a construction period. The air purification device comprises an air filter, an air supply system, a water circulation system and an air exhaust system, wherein a reaction cavity is formed in the air filter; the reaction cavity contains alkaline solutions; an air inlet is formed in one side of the air filter, and is connected with the air supply system; a water outlet is formed in the bottom end of the air filter and is connected with the water circulation system; an air outlet is formed in the top end of the air filter and is connected with the air exhaust system; an alkaline solution tank for supplying the alkaline solutions to the reaction cavity is also arranged above the air filter; and a solution conveying pipeline is arranged at the bottom end of the alkaline solution tank and extends into the reaction cavity. Through the adoption of the air purification device disclosed by the invention, poisonous gas, dust particles and the like in an operation zone can be effectively cleared off; the air purification device is matched with mechanical pipeline ventilation equipment for use, so that the purpose for improving the air quality of the underground space during the construction period can be achieved.
Description
Technical Field
The invention relates to an air purification device, in particular to an air purification device suitable for a long and narrow underground space construction period.
Background
A large amount of toxic gases (CO and NO) can be generated in the construction processes of drilling, blasting, slag loading, trackless transportation, anchor spraying and the like in the tunneling process of road tunnels, railway tunnels and mine roadwaysx、SO2、H2S、CO2) Smoke and dust particles. If the air circulation is not smooth, the insufficient fuel oil combustion caused by oxygen deficiency of the machine can be aggravated, the content of toxic gas in the discharged tail gas is increased, the mechanical power is further reduced, the body health of operators is damaged, and the service life of the machine is shortened.
In order to improve the quality of construction environment, ensure the health of operators and prolong the service life of machinery, the state sets corresponding construction environment standards and defines dust, CO and NOx、SO2、H2S、CO2、O2、N2The limit of concentration. In the construction process, fresh air is mostly conveyed to a construction tunnel face through pipelines and a mechanical air supply mode, but it is still difficult to reduce the concentration of toxic gas to an acceptable range, and along with the extension of the length of a tunnel or a roadway, the number of working machines is increased, and the difficulty of inputting the fresh air and discharging dirty air is further increased.
It will thus be seen that the prior art is susceptible to further improvements and enhancements.
Disclosure of Invention
The invention provides an air purification device suitable for long and narrow underground space construction period in order to remove toxic gas and dust particles in the air in an operation area, and the air purification device is matched with pipeline mechanical ventilation for use so as to achieve the purpose of improving the air quality of the underground space in the construction period.
The technical scheme adopted by the invention is as follows:
air purification device suitable for long and narrow underground space construction period, including air cleaner, air supply system, water circulation system and air-out system, be provided with the reaction chamber in the air cleaner, contain alkaline solution in the reaction chamber, one side of air cleaner is provided with the air intake, the air intake with air supply system links to each other, and air cleaner's bottom is provided with the delivery port, the delivery port with water circulation system links to each other, and air cleaner's top is provided with the air outlet, and the air outlet links to each other with air-out system, air cleaner's top still is provided with the alkaline solution case that supplies with alkaline solution for the reaction chamber, and the bottom of alkaline solution case is provided with the infusion pipeline, and.
A semicircular arc plate is arranged in the reaction cavity at a position corresponding to the air inlet, a plurality of first through holes are formed in the semicircular arc plate, and the semicircular arc plate is positioned below the liquid level of the solution in the reaction cavity; and a circular plate is arranged above the semicircular plate, a plurality of second through holes are formed in the circular plate, and the circular plate is positioned below the liquid level of the solution in the reaction cavity.
Still be provided with atomizer in the reaction chamber, atomizer is located the liquid level of reaction intracavity solution more than, and atomizer includes the spray tube and sets up a plurality of shower nozzle in the spray tube bottom, and the spray tube is the ring form, and the spray tube is linked together with infusion pipeline, and spray tube and water circulating system are linked together.
The upper part of the liquid conveying pipeline is provided with a first water valve, and the bottom end of the liquid conveying pipeline is positioned below the semicircular plate.
And a liquid level display used for displaying the liquid level of the reaction solution in the reaction cavity is arranged on one side of the air filter.
And a PH measuring instrument for measuring the PH value of the reaction solution is arranged in the air filter.
The air supply system comprises a funnel-shaped air supply cover, a fan and an air supply pipe, the air supply pipe is S-shaped, one end of the air supply pipe is connected with the funnel-shaped air supply cover, the other end of the air supply pipe is connected with the air inlet, the fan is arranged in the funnel-shaped air supply cover, and the fan comprises a motor and a spiral fan blade driven by the motor to rotate.
The water circulation system comprises a backwashing sewage processor, a water tank, a water pump and a water pipeline, one end of the backwashing sewage processor is connected with the water outlet of the air filter, the other end of the backwashing sewage processor is connected with the water tank, one end of the water pump is connected with the water tank, the other end of the water pump is connected with the spray pipe through the water pipeline, and a second water valve is arranged on the water pipeline between the water pump and the spray pipe.
The top end of the air filter is provided with a flange cover plate, the air outlet is formed in the flange cover plate, and a steel wire mesh is arranged at the air outlet.
The air outlet system comprises an air outlet pipeline and a telescopic bag-shaped structure which are connected, and the air outlet pipeline is connected with the air outlet.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention adopts a wet purification method and a backwashing sewage processor, more efficiently and quickly improves the air quality in the construction period of the long and narrow underground space, sucks the mixed gas of toxic gas, dust particles and the like in the air in the operation area in the construction period of the underground space into the reaction cavity through the fan for chemical reaction, eliminates part of the toxic gas and dust particles, and effectively ensures the operation environment of the construction operators in the long and narrow underground space.
2. The invention is especially suitable for purifying air in the construction period of roads, railway tunnels and mine roadways in trackless transportation operation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of a connection structure of an air supply system and an air filter according to the present invention.
Fig. 3 is a schematic view of the present invention with the air supply system removed.
FIG. 4 is a schematic view of the connection structure of the water circulation system and the air filter according to the present invention.
Wherein,
1. the air supply system 101, the funnel-shaped air supply hood 102, the motor 103, the spiral fan blades 104, the air supply pipe 2, the air filter 201, the flange plate 202, the semi-circular arc plate 203, the circular plate 204, the liquid level position 205, the flange cover plate 206, the spray pipe 207, the spray head 208, the liquid level display 209, the PH measuring instrument 210, the water outlet 3, the water circulation system 301, the backwashing sewage processor 302, the water tank 303, the water pump 304, the second water valve 305, the water conveying pipeline 4, the alkaline solution tank 401, the liquid conveying pipeline 402, the first water valve 5, the air outlet system 501, the steel wire mesh 502, the air supply pipeline 503 and the telescopic bag-shaped structure
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, but the present invention is not limited to these examples.
As shown in fig. 1 to 4, the air purification device suitable for the construction period of the narrow underground space includes an air filter 2, an air supply system 1, a water circulation system 3 and an air outlet system 5. A reaction cavity is arranged in the air filter 2, and alkaline solution is contained in the reaction cavity. The upper part of the reaction cavity is cylindrical, and the lower part of the reaction cavity is funnel-shaped. One side of the air filter 2 is provided with a liquid level display 208 for displaying the liquid level position 204 of the reaction solution in the reaction chamber. A PH measuring instrument 209 for measuring the PH value of the reaction solution is disposed in the air filter 2.
And one side of the air filter 2 is provided with an air inlet which is connected with the air supply system 1. The air filter 2 is detachably connected with the air supply system 1. The air supply system 1 comprises a funnel-shaped air supply cover 101, a fan and an air supply pipe 104, the air supply pipe 104 is S-shaped, one end of the air supply pipe 104 is connected with the funnel-shaped air supply cover 101, and the other end of the air supply pipe is connected with the air inlet. The air inlet is provided with a flange 201 which is connected with the blast pipe 104. The fan is arranged in the funnel-shaped air supply cover 101, and comprises a motor 102 and a spiral fan blade 103 driven by the motor 102 to rotate.
In order to clarify the internal structural components of the air cleaning apparatus, a part of the structure is expressed by a dotted line. The position in the reaction cavity corresponding to the air inlet is provided with a semicircular arc plate 202, the semicircular arc plate 202 is provided with a plurality of first through holes, and the semicircular arc plate 202 is positioned below the liquid level of the solution in the reaction cavity. The semicircular arc plate 202 is used for defoaming and prolonging the reaction time of the mixed gas in the reaction cavity, and because the mixed gas is clustered after entering the reaction cavity, the structural design of the semicircular arc plate 202 can change the clustered mixed gas into smaller clustered air, so that the mixed gas is fully mixed with the solution in the reaction cavity, and the air purification efficiency and quality are further improved. A circular plate 203 is arranged above the semicircular plate 202, a plurality of second through holes are formed in the circular plate 203, and the circular plate 203 is located below the liquid level of the solution in the reaction chamber. The circular plate 203 is used for prolonging the reaction time of the mixed gas in the reaction cavity and discharging the filtered air from the air outlet after passing through the second through hole.
The bottom end of the air filter 2 is provided with a water outlet 210, and the water outlet 210 is connected with the water circulation system 3. The air filter 2 is detachably connected with the water circulation system 3. The water circulation system 3 comprises a backwashing sewage processor 301, a water tank 302, a water pump 302 and a water pipe 305, wherein one end of the backwashing sewage processor 301 is connected with the water outlet 210 of the air filter 2 through the water pipe 305, the other end of the backwashing sewage processor is connected with the water tank 302 through the water pipe 305, one end of the water pump 303 is connected with the water tank 302 through the water pipe 305, the other end of the water pump 303 is connected with the following spray pipe 206 through the water pipe 305, and a second water valve 304 is arranged on the water pipe 305 between the water pump 303 and the spray pipe 206.
An alkaline solution tank 4 for supplying alkaline solution to the reaction chamber is also arranged above the air filter 2. The alkaline solution tank 4 is detachably connected with the air filter 2. The bottom end of the alkaline solution tank 4 is provided with a liquid conveying pipeline 401, and the liquid conveying pipeline 401 extends into the reaction cavity. The upper part of the liquid conveying pipeline 401 is provided with a first water valve 402, and the bottom end of the liquid conveying pipeline 401 is positioned below the semicircular arc plate 202.
The reaction cavity is also internally provided with a spraying device which is positioned above the liquid level of the solution in the reaction cavity, the spraying device comprises a spraying pipe 206 and a plurality of spray heads 207 arranged at the bottom end of the spraying pipe 206, the spraying pipe 206 is annular, the spraying pipe 206 is communicated with a liquid conveying pipeline 401, and the spraying pipe 206 is communicated with a water conveying pipeline 305. The spray tube 206 comprises a circular ring or a plurality of circular rings which are sleeved with each other and communicated with each other. Preferably, a plurality of spray heads 207 are respectively disposed at different radial positions of the circular spray pipe 206. The alkaline solution in the alkaline solution tank 4 enters the spraying device through the liquid conveying pipeline 401 and is sprayed out from the spray head 207 to realize atomization, so that a layer of water mist is continuously distributed above the inner part of the reaction cavity, toxic gas and dust particles in the treated mixed gas are further purified, and the content of harmful gas is reduced. The water in the water tank 302 enters the spraying device through the water pipe 305 under the action of the water pump 303 and is sprayed out from the spray head 207 to realize atomization, so that a layer of water mist is continuously distributed above the inner part of the reaction cavity, and the reaction solution which flows out from the second through hole of the circular plate 203 along with the processed mixed gas is diluted, thereby avoiding secondary pollution.
And an air outlet is arranged at the top end of the air filter 2 and connected with an air outlet system 5. The air outlet system 5 is detachably connected with the air filter 2. The top of air cleaner 2 is provided with flange plate 205, the air outlet is seted up on flange plate 205, and air outlet department is provided with wire net 501. The air outlet system 5 comprises an air outlet pipeline 502 and a telescopic bag-shaped structure 503 which are connected, and the air outlet pipeline 502 is connected with the air outlet. The cross section of the air outlet pipeline 502 is circular, and the telescopic belt-shaped structure 503 is a telescopic cloth bag.
Parts which are not described in the invention can be realized by adopting or referring to the prior art.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. Air purification device suitable for long and narrow underground space construction period, its characterized in that, including air cleaner, air supply system, water circulating system and air-out system, be provided with the reaction chamber in the air cleaner, contain alkaline solution in the reaction chamber, one side of air cleaner is provided with the air intake, the air intake with air supply system links to each other, and air cleaner's bottom is provided with the delivery port, the delivery port with water circulating system links to each other, and air cleaner's top is provided with the air outlet, and the air outlet links to each other with air-out system, air cleaner's top still is provided with the alkaline solution case for reaction chamber supplies with alkaline solution, and the bottom of alkaline solution case is provided with the infusion pipeline, and the.
2. The air purification device suitable for the construction period of the narrow and long underground space as claimed in claim 1, wherein a semicircular arc plate is arranged in the reaction chamber at a position corresponding to the air inlet, a plurality of first through holes are formed in the semicircular arc plate, and the semicircular arc plate is positioned below the liquid level of the solution in the reaction chamber; and a circular plate is arranged above the semicircular plate, a plurality of second through holes are formed in the circular plate, and the circular plate is positioned below the liquid level of the solution in the reaction cavity.
3. The air purification device for long and narrow underground space construction period as claimed in claim 1, wherein the reaction chamber is further provided with a spraying device, the spraying device is located above the liquid level of the solution in the reaction chamber, the spraying device comprises a spraying pipe and a plurality of nozzles arranged at the bottom end of the spraying pipe, the spraying pipe is annular, the spraying pipe is communicated with the liquid conveying pipeline, and the spraying pipe is communicated with the water circulation system.
4. The air cleaning apparatus for an elongated underground space during construction according to claim 2, wherein the upper portion of the fluid delivery pipe is provided with a first water valve, and the lower end of the fluid delivery pipe is located below the semicircular plate.
5. The air cleaning apparatus for long and narrow underground space construction period according to claim 1, wherein a level display for displaying the level of the reaction solution in the reaction chamber is provided at one side of the air filter.
6. The air cleaning apparatus for long and narrow underground space construction period according to claim 1, wherein a PH meter for measuring PH value of the reaction solution is installed in the air filter.
7. The air cleaning device for the construction period of the narrow underground space as claimed in claim 1, wherein the air supply system comprises a funnel-shaped air supply hood, a fan and an air supply pipe, the air supply pipe is S-shaped, one end of the air supply pipe is connected with the funnel-shaped air supply hood, the other end of the air supply pipe is connected with the air inlet, the fan is arranged in the funnel-shaped air supply hood, and the fan comprises a motor and a spiral fan blade driven by the motor to rotate.
8. The air purification device suitable for long and narrow underground space construction period as claimed in claim 3, wherein the water circulation system comprises a backwashing sewage processor, a water tank, a water pump and a water pipeline, one end of the backwashing sewage processor is connected with the water outlet of the air filter, the other end of the backwashing sewage processor is connected with the water tank, one end of the water pump is connected with the water tank, the other end of the water pump is connected with the spray pipe through the water pipeline, and a second water valve is arranged on the water pipeline between the water pump and the spray pipe.
9. The air cleaning device for long and narrow underground space construction period as claimed in claim 1, wherein the top end of the air filter is provided with a flange cover plate, the air outlet is opened on the flange cover plate, and the air outlet is provided with a steel wire mesh.
10. The air cleaning apparatus for long and narrow underground space construction period as claimed in claim 1, wherein the air outlet system comprises an air outlet pipe and a telescopic bag structure connected with each other, the air outlet pipe is connected with the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215335.0A CN106693578A (en) | 2016-12-26 | 2016-12-26 | Air purification device applicable to long and narrow underground space at construction period |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215335.0A CN106693578A (en) | 2016-12-26 | 2016-12-26 | Air purification device applicable to long and narrow underground space at construction period |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106693578A true CN106693578A (en) | 2017-05-24 |
Family
ID=58896016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611215335.0A Pending CN106693578A (en) | 2016-12-26 | 2016-12-26 | Air purification device applicable to long and narrow underground space at construction period |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106693578A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159334A (en) * | 2019-06-17 | 2019-08-23 | 西南交通大学 | Tunnel working face dirty wind cyclic utilization device |
| CN114017697A (en) * | 2021-11-22 | 2022-02-08 | 江苏宏洁智慧科技有限公司 | Explosion-proof engineering illuminating lamp with gas purification function for underground engineering |
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| CN205796923U (en) * | 2016-06-21 | 2016-12-14 | 秦皇岛玻璃工业研究设计院 | A kind of denitration device of flue gas of glass melting furnace |
| CN206404500U (en) * | 2016-12-26 | 2017-08-15 | 青岛林川工程技术咨询有限公司 | Suitable for the air cleaning unit of long and narrow underground space construction phase |
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| GB369376A (en) * | 1931-03-09 | 1932-03-24 | Eugen Haber | Method and apparatus for separating and removing dust and ash particles from flue gases by washing |
| EP2240427A1 (en) * | 2007-12-20 | 2010-10-20 | Borealis Technology Oy | Treatment of air |
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|---|---|---|---|---|
| CN110159334A (en) * | 2019-06-17 | 2019-08-23 | 西南交通大学 | Tunnel working face dirty wind cyclic utilization device |
| CN110159334B (en) * | 2019-06-17 | 2024-03-22 | 西南交通大学 | Tunnel working face dirty wind cyclic utilization device |
| CN114017697A (en) * | 2021-11-22 | 2022-02-08 | 江苏宏洁智慧科技有限公司 | Explosion-proof engineering illuminating lamp with gas purification function for underground engineering |
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Application publication date: 20170524 |
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| RJ01 | Rejection of invention patent application after publication |