CN110756005A - Harmful gas absorbs purifier for underground construction - Google Patents
Harmful gas absorbs purifier for underground construction Download PDFInfo
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- CN110756005A CN110756005A CN201911055579.0A CN201911055579A CN110756005A CN 110756005 A CN110756005 A CN 110756005A CN 201911055579 A CN201911055579 A CN 201911055579A CN 110756005 A CN110756005 A CN 110756005A
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- reaction box
- harmful gas
- box body
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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
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention belongs to the field of underground engineering construction, and particularly relates to a harmful gas absorption and purification device for underground engineering construction, which comprises a base, wherein a sliding seat is fixedly connected to the upper surface of the base, a reaction box body is slidably connected to the upper end of the sliding seat, an opening is formed in the upper end of the reaction box body, an air inlet main pipe is rotatably connected to the inner bottom surface of the reaction box body, the upper end of the air inlet main pipe extends out of the reaction box body, a plurality of exhaust pipes are fixedly communicated with the side wall of the air inlet main pipe, a plurality of exhaust holes are formed in the side wall of each exhaust pipe in an equidistant array arrangement along the axial direction of the exhaust pipe, a scraper plate is fixedly installed on the side wall of the air inlet main pipe, and the. The invention can lead the air in the underground construction environment into the reaction box body by the fan and lead the air to pass through Ca (OH) in the reaction box body2The solution absorbs the acid harmful gas in the air, thereby achieving the purpose of air purification.
Description
Technical Field
The invention belongs to the field of underground engineering construction, and particularly relates to a harmful gas absorption and purification device for underground engineering construction.
Background
Because of the scarcity of land resources, the utilization of urban underground space has become an important problem in urban development, and therefore, the urban underground space needs to be developed and utilized through underground engineering construction, wherein the underground engineering comprises underground houses and underground structures, underground railways, highway tunnels, underwater tunnels, underground common ditches, street-crossing underground passages and the like.
During underground engineering construction, a large amount of acidic harmful gas (such as SO) can be generated in the processes of drilling, blasting, trackless transportation and mechanical operation in the process of tunneling highway, railway tunnel and mine roadway2Etc.), if the air circulation is not smooth, the insufficient combustion of fuel oil caused by oxygen deficiency of the machine will be aggravated, and the acid gas in the discharged tail gas containsThe quantity rises to reduce mechanical power, impaired operating personnel's healthy, and among the prior art, in order to reduce the concentration of harmful gas in the underground construction environment, mostly adopt the mode of fan and external air exchange, and this kind of mode is along with the extension in tunnel or tunnel, and the increase of operation machinery, the degree of difficulty of taking a breath increases and uses inflexibly, the security of unable good guarantee underground construction environment.
Therefore, a harmful gas absorption and purification device for underground engineering construction is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problem that a large amount of acidic harmful gas is difficult to remove in underground engineering construction, and provides a harmful gas absorption and purification device for underground engineering construction, which can absorb and purify the acidic gas to ensure construction safety.
In order to achieve the purpose, the invention adopts the following technical scheme: the harmful gas absorption and purification device for underground engineering construction comprises a base, wherein a sliding seat is fixedly connected to the upper surface of the base, a reaction box body is slidably connected to the upper end of the sliding seat, an opening is formed in the upper end of the reaction box body, a main gas inlet pipe is rotatably connected to the inner bottom surface of the reaction box body, the upper end of the main gas inlet pipe extends out of the reaction box body, a plurality of exhaust pipes are fixedly communicated with the side wall of the main gas inlet pipe, a plurality of exhaust holes are formed in the side wall of the exhaust pipes and are arrayed along the axial direction of the exhaust pipes at equal intervals, a scraper plate is fixedly installed on the side wall of the main gas inlet pipe and is slidably connected with the inner bottom surface of the reaction box body, an annular collecting box is integrally formed on the side wall of the lower end of the reaction box body, two supporting, the upper surface fixed mounting of roof has the fan, the output of fan passes through the upper end intercommunication of bellows and the person in charge that admits air.
In the above harmful gas absorption and purification apparatus for underground engineering construction, the inner bottom surface of the reaction tank body is formed in an upwardly arched conical shape.
In the harmful gas absorption and purification device for underground engineering construction, the annular collecting box is arranged in a hollow round platform shape, and a sealing door is arranged at the lower end of the annular collecting box.
In the above harmful gas absorption and purification device for underground engineering construction, the lower end of the corrugated pipe is hermetically and rotatably sleeved with a sleeve, and the other end of the sleeve is sleeved outside the air inlet main pipe and is hermetically and rotatably connected with the air inlet main pipe.
In foretell underground works construction is with harmful gas absorption purification device, the upper end fixedly connected with movable frame of reaction box, the equal fixedly connected with movable rod in both ends of movable frame, two the one end that the movable frame was kept away from to the movable rod runs through backup pad and fixedly connected with stopper respectively, the stopper passes through the lateral wall fixed connection of reset spring with the backup pad, the coaxial fixed cover of air inlet main pipe outside has connect the semi-gear, all be equipped with the tooth on the lateral wall of movable frame inner circle both sides, the semi-gear is connected with the movable frame meshing.
Compared with the prior art, the harmful gas absorption and purification device for the local lower engineering construction has the advantages that:
1. in the invention, the air in the underground construction environment can be introduced into the reaction box body by arranging the fan and can pass through Ca (OH) in the reaction box body2The solution absorbs acid harmful gas in the air to achieve the purpose of air purification, and the device can be pushed to move along with the extension of the underground construction depth, so that the use is flexible.
2. In the invention, a plurality of exhaust pipes are arranged, air with acid gas enters the reaction box body through exhaust holes in the exhaust pipes, and the exhaust pipes are driven to rotate under the pushing of airflow so as to control Ca (OH) in the reaction box body2Stirring the solution to prevent Ca (OH)2Ca (OH) in the suspension2The dissolution is uneven, the absorption rate of the acid harmful gas is reduced, and meanwhile, the rotating exhaust pipe can uniformly introduce air into the reaction box body, so that the acid harmful gas and Ca (OH) are ensured2The solution is contacted evenly, which improves the absorption and purification rate.
3. According to the invention, by arranging the scraper, the exhaust pipe drives the air inlet main pipe to rotate and then drives the scraper to rotate, so that reaction sediments produced on the inner bottom surface of the reaction box body can be scraped, the reaction sediments are prevented from being attached and accumulated at the bottom of the reaction box body, and the purpose of automatic cleaning is achieved.
4. In the invention, the annular collecting box is arranged, the scraper plate rotates to scrape off reaction sediments, the reaction sediments are thrown into the annular collecting box under the action of centrifugal force, the annular collecting box collects the reaction sediments, the forward progress of the reaction is promoted, and the Ca (OH) content is further improved2The absorption and purification rate of the acid harmful gas.
5. In the invention, through arranging the half gear, the exhaust pipe drives the air inlet main pipe to rotate, then drives the half gear to rotate, then drives the movable frame meshed with the exhaust pipe to reciprocate, and then drives the reaction box body to reciprocate, and Ca (OH) in the reaction box body2The suspension is shaken evenly to prevent Ca (OH)2The problem of turbid liquid precipitation and delamination occurs, and the absorption efficiency of the turbid liquid on the acidic harmful gas is ensured.
Drawings
FIG. 1 is a schematic structural view of an embodiment 1 of a harmful gas absorption and purification apparatus for underground construction according to the present invention;
FIG. 2 is a schematic top view showing the structure of an exhaust pipe in example 1 of the harmful gas absorption and purification apparatus for underground works according to the present invention;
FIG. 3 is a schematic structural view of an embodiment 2 of the harmful gas absorption and purification apparatus for underground engineering construction according to the present invention;
fig. 4 is a schematic top view of a movable frame in embodiment 2 of the harmful gas absorption and purification apparatus for underground construction according to the present invention.
In the figure, 1 base, 2 sliding seats, 3 reaction box bodies, 4 air inlet main pipes, 5 exhaust pipes, 6 exhaust holes, 7 scraping plates, 8 annular collecting boxes, 9 supporting plates, 10 top plates, 11 fans, 12 corrugated pipes, 13 sleeves, 14 movable frames, 15 movable rods, 16 limiting blocks, 17 return springs and 18 half gears.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Example 1
As shown in figures 1-3, the harmful gas absorption and purification device for underground engineering construction comprises a base 1, a sliding seat 2 fixedly connected with the upper surface of the base 1, a reaction box body 3 connected with the upper end of the sliding seat 2 in a sliding way, Ca (OH) filled in the reaction box body 32Solution, the upper end opening setting of reaction box 3, the interior bottom surface of reaction box 3 is connected with through rolling bearing rotation and admits air and is responsible for 4, admits air and is responsible for 4 upper end and extend to reaction box 3 and set up outward, admits air and is responsible for fixedly on the lateral wall of 4 intercommunication have many blast pipes 5, is equipped with a plurality of exhaust holes 6 of arranging along its axis direction equidistance array on the lateral wall of blast pipe 5.
In this embodiment, a scraper 7 is fixedly installed on the sidewall of the main intake pipe 4, the scraper 7 is slidably connected with the inner bottom surface of the reaction box 3, an annular collecting box 8 is integrally formed on the sidewall of the lower end of the reaction box 3, it should be noted that the inner bottom surface of the reaction box 3 is in an upwardly arched conical shape, the annular collecting box 8 is in a hollow circular truncated cone shape, and the lower end of the annular collecting box 8 is provided with a sealing door for periodically treating reaction sediments, two supporting plates 9 are fixedly connected to the upper surface of the base 1, the upper end of the supporting plate 9 is fixedly connected with a top plate 10, a fan 11 is fixedly installed on the upper surface of the top plate 10, the model of the fan 11 is RB-71D-4-a, the output end of the fan 11 is communicated with the upper end of the main intake pipe 4 through a corrugated pipe 12, it should be noted that a, the other end of the sleeve 13 is sleeved outside the main air inlet pipe 4 and is connected with the main air inlet pipe 4 in a sealing and rotating manner.
The working principle of the embodiment is as follows: starting a fan, introducing air in the underground construction environment into the reaction box body 3, and passing Ca (OH) in the reaction box body 32The solution absorbs the acid harmful gas in the air, and the reaction equation is Ca (OH)2+SO2＝＝CaSO3(precipitation) + H2And O, the purpose of air purification is achieved, the device can be pushed to move along with the extension of the underground construction depth, and the use is flexible.
The air with acid gas enters the reaction through the exhaust hole 6 in the exhaust pipe 5In the box body 3, under the push of the air flow, the exhaust pipe 5 is driven to rotate, Ca (OH) in the reaction box body 3 is treated2Stirring the solution to prevent Ca (OH)2Ca (OH) in the suspension2The dissolution is uneven, the absorption rate of the acid harmful gas is reduced, and meanwhile, the rotating exhaust pipe 5 can uniformly introduce air into the reaction box body 3, so that the acid harmful gas and Ca (OH) are ensured2The solution is contacted evenly, which improves the absorption and purification rate.
Example 2
As shown in fig. 4, the present embodiment is different from embodiment 1 in that: the upper end fixedly connected with movable frame 14 of reaction box 3, the equal fixedly connected with movable rod 15 in both ends of movable frame 14, backup pad 9 and fixedly connected with stopper 16 are run through respectively to two movable rod 15's the one end of keeping away from movable frame 14, stopper 16 passes through reset spring 17 and backup pad 9's lateral wall fixed connection, the outer coaxial fixed cover of the person in charge of intaking 4 has connect half gear 18, all be equipped with the tooth on the lateral wall of movable frame 14 inner circle both sides, half gear 18 is connected with movable frame 14 meshing.
In this embodiment, the exhaust pipe 5 drives the main intake pipe 4 to rotate, and then drives the half gear 18 to rotate, so that the half gear 18 is engaged with teeth on one side wall of the inner ring of the movable frame 14, and then drives the movable frame 14 to move for a certain distance in one direction, and then the return spring 17 drives the movable frame 14 to reset, and the half gear 18 is engaged with teeth on the other side wall of the inner ring of the movable frame 14, and then drives the movable frame 14 to move for a certain distance in the opposite direction, and then the return spring 17 resets again, so that the movable frame 14 reciprocates, and then the reaction box 3 is driven to reciprocateMoving, the Ca (OH) in the reaction box body 32The suspension is shaken evenly to prevent Ca (OH)2The problem of turbid liquid precipitation and delamination occurs, and the absorption efficiency of the turbid liquid on the acidic harmful gas is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a harmful gas absorbs purifier for underground construction, includes base (1), its characterized in that, the last fixed surface of base (1) is connected with sliding seat (2), the upper end sliding connection of sliding seat (2) has reaction box (3), the upper end opening of reaction box (3) sets up, the interior bottom surface of reaction box (3) rotates and is connected with the person in charge of (4) of admitting air, the upper end that the person in charge of (4) of admitting air extends to reaction box (3) and sets up outward, fixed intercommunication has many blast pipes (5) on the lateral wall of the person in charge of admitting air (4), be equipped with a plurality of exhaust holes (6) of arranging along its axis direction equidistance array on the lateral wall of the person in charge of admitting air (4), fixed mounting has scraper blade (7) on the lateral wall of the person in charge of admitting air (4), scraper blade (7) and the interior bottom surface sliding connection of reaction box (, the reaction box is characterized in that an annular collecting box (8) is integrally formed on the side wall of the lower end of the reaction box body (3), the upper surface of the base (1) is fixedly connected with two supporting plates (9), the upper end of each supporting plate (9) is fixedly connected with a top plate (10), a fan (11) is fixedly mounted on the upper surface of each top plate (10), and the output end of each fan (11) is communicated with the upper end of the corresponding air inlet main pipe (4) through a corrugated pipe (12).
2. The harmful gas absorption and purification apparatus for underground construction according to claim 1, wherein the inner bottom surface of the reaction tank (3) is formed in an upwardly arched conical shape.
3. The harmful gas absorption and purification device for underground engineering construction according to claim 1, wherein the annular collection box (8) is provided in a hollow truncated cone shape, and a sealing door is provided at the lower end of the annular collection box (8).
4. The harmful gas absorption and purification device for underground engineering construction according to claim 1, wherein a sleeve (13) is hermetically and rotatably sleeved at the lower end of the corrugated pipe (12), and the other end of the sleeve (13) is sleeved outside the main gas inlet pipe (4) and is hermetically and rotatably connected with the main gas inlet pipe (4).
5. The harmful gas absorption and purification device for underground engineering construction according to claim 1, wherein the upper end of the reaction box body (3) is fixedly connected with a movable frame (14), both ends of the movable frame (14) are fixedly connected with movable rods (15), one ends of the two movable rods (15) far away from the movable frame (14) respectively penetrate through the support plate (9) and are fixedly connected with limit blocks (16), the limit blocks (16) are fixedly connected with the side wall of the support plate (9) through reset springs (17), a half gear (18) is coaxially fixedly sleeved outside the air inlet main pipe (4), the side walls of both sides of the inner ring of the movable frame (14) are provided with teeth, and the half gear (18) is meshed with the movable frame (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911055579.0A CN110756005A (en) | 2019-10-31 | 2019-10-31 | Harmful gas absorbs purifier for underground construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911055579.0A CN110756005A (en) | 2019-10-31 | 2019-10-31 | Harmful gas absorbs purifier for underground construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110756005A true CN110756005A (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911055579.0A Withdrawn CN110756005A (en) | 2019-10-31 | 2019-10-31 | Harmful gas absorbs purifier for underground construction |
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| Country | Link |
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| CN (1) | CN110756005A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844024A (en) * | 2021-01-13 | 2021-05-28 | 杨斌 | Sulfur dioxide self-detection purification device |
| CN113123543A (en) * | 2021-03-10 | 2021-07-16 | 汪明炜 | Wisdom city is wall tile for underground garage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3049527U (en) * | 1997-12-05 | 1998-06-19 | 信秀 古賀 | Equipment for removing harmful substances such as exhaust gas in combustion furnaces |
| CN202683036U (en) * | 2012-07-05 | 2013-01-23 | 湖南万容科技股份有限公司 | Gas absorption device |
| CN206911353U (en) * | 2017-07-14 | 2018-01-23 | 深圳市星鼎源科技有限公司 | A kind of chemical industry reactor of left-right movable type |
| CN107774223A (en) * | 2016-08-31 | 2018-03-09 | 中国石油化工股份有限公司 | A kind of mixing reactor |
| CN208465595U (en) * | 2018-06-13 | 2019-02-05 | 攀枝花市蓝鼎环保科技有限公司 | A kind of flue gas desulfurization special tower |
-
2019
- 2019-10-31 CN CN201911055579.0A patent/CN110756005A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3049527U (en) * | 1997-12-05 | 1998-06-19 | 信秀 古賀 | Equipment for removing harmful substances such as exhaust gas in combustion furnaces |
| CN202683036U (en) * | 2012-07-05 | 2013-01-23 | 湖南万容科技股份有限公司 | Gas absorption device |
| CN107774223A (en) * | 2016-08-31 | 2018-03-09 | 中国石油化工股份有限公司 | A kind of mixing reactor |
| CN206911353U (en) * | 2017-07-14 | 2018-01-23 | 深圳市星鼎源科技有限公司 | A kind of chemical industry reactor of left-right movable type |
| CN208465595U (en) * | 2018-06-13 | 2019-02-05 | 攀枝花市蓝鼎环保科技有限公司 | A kind of flue gas desulfurization special tower |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844024A (en) * | 2021-01-13 | 2021-05-28 | 杨斌 | Sulfur dioxide self-detection purification device |
| CN113123543A (en) * | 2021-03-10 | 2021-07-16 | 汪明炜 | Wisdom city is wall tile for underground garage |
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Application publication date: 20200207 |