CN105546706A - Air exhausting and returning and dehumidification system of basement in top-down construction process - Google Patents
Air exhausting and returning and dehumidification system of basement in top-down construction process Download PDFInfo
- Publication number
- CN105546706A CN105546706A CN201610066931.0A CN201610066931A CN105546706A CN 105546706 A CN105546706 A CN 105546706A CN 201610066931 A CN201610066931 A CN 201610066931A CN 105546706 A CN105546706 A CN 105546706A
- Authority
- CN
- China
- Prior art keywords
- control valve
- air
- pipe
- exhaust duct
- basement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F2007/001—Ventilation with exhausting air ducts
Abstract
The invention discloses an air exhausting and returning and dehumidification system of a basement in a top-down construction process. The air exhausting and returning and dehumidification system comprises an air exhausting pipe, an air returning pipe, a ventilation pipe connected between the air exhausting pipe and the air returning pipe, a filtering device, a purification device, a dehumidification device, a control valve A, a control valve D, a control valve B, a control valve C and a control valve E, wherein the filtering device and the purification device are connected with the air exhausting pipe and sequentially arranged in the air exhausting direction of the air exhausting pipe; the air inlet end of the dehumidification device is connected to the part, between the filtering device and the purification device, of the air exhausting pipe, and the air outlet end of the dehumidification device is connected with the purification device; the control valve A and the control valve D are connected with the air returning pipe; the control valve B is connected with the ventilation pipe; the control valve C is connected with the air inlet end of the dehumidification device; the control valve D is connected with the upper end of the air returning pipe; the control valve E is connected with the upper end of the air exhausting pipe; the control valve A and the control valve D are both arranged on the upstream side of the connecting position of the air returning pipe and the ventilation pipe; the control valve E is arranged on the downstream side of the connecting position of the air exhausting pipe and the air returning pipe. The air exhausting and returning and dehumidification system of the basement in the top-down construction process can meet the ventilation requirements of basements with different depths, and under different work conditions and special conditions, the underground work environment is improved while the underground contaminated air is treated, and air pollution is reduced.
Description
Technical field
Flow back to wind technical field down provisionally when the present invention relates to deep foundation pit construction, after completing for contrary sequence method beam slab especially, under semi-enclosed execution conditions, basement flows back to wind and dehumidification system.
Background technology
At present, deep foundation pit construction, during the construction of especially ultra-deep foundation pit, because effectively not flowing back to wind system temporarily, the dusty gas that underground construction equipment discharges cannot be arranged to ground in time, cause underground job bad environments, especially in reverse construction, traditional support is replaced owing to utilizing permanent floor, a few place is only stayed to fetch earth mouth as vertical transport passage, construction operation under semiclosed, the severe of environment also not only only has air pollution, and cannot effectively removing of serious moisture is further degrading basement construction operating environment.
For deep basal pit and reverse construction, basement air draft generally has two kinds of situations, one is utilize blower fan to be transmitted to underground by ground fresh air, two is utilize blower fan basement foul atmosphere is disposed to ground and utilizes nature return air to improve underground environment, the first way is only diluted by contaminated air, and untreated or eliminating, the second way causes certain pollution to atmospheric environment, these two kinds of ways all do not do effective process to basement moisture, and the effect therefore improving underground job environment is for many years all not obvious.
How effective the present invention solves emphatically deep basal pit especially in reverse construction process, discharged by dusty gas, and in the circulatory system, set up purification and dehumidification function, while improving underground job environment, and protection ground atmospheric environment.
Summary of the invention
The present invention seeks to: during for existing contrary sequence method basement construction; dehumidifying, flow back to wind system and independently cannot meet the situation that underground room environmental improves demand and go up environmental protection requirement contentedly; a kind of basement of special proposition flows back to wind and dehumidification system; meet different depth, different operating mode and basement ventilation requirement in particular cases; effectively effectively to improve underground job environment; while solving ventilation, dehumidifying problem, reach the effect of environmental protection.
Technical scheme of the present invention is: in described reverse construction process basement flow back to wind and dehumidification system comprises:
Its one end stretches in the underground space that the other end stretches out the exhaust duct outside the underground space,
The backwind tube that in the underground space, the other end is connected with described exhaust duct is stretched in its one end,
Be connected to the ventilation duct between described exhaust duct and backwind tube,
Be connected to the filter and purifier arranged successively on described exhaust duct and along the air draft direction of this exhaust duct,
Its air intake is connected to the dehumidifier apparatus that on the exhaust duct between described filter and purifier, outlet air end is connected with described purifier,
Be connected to the control valve A on described backwind tube and control valve D,
Be connected to the control valve B on described ventilation duct,
Be connected to the control valve C of described dehumidifier apparatus air intake,
Be connected to the control valve D of described backwind tube upper end, and
Be connected to the control valve E of described exhaust duct upper end;
Described control valve A and control valve D is arranged in the upstream side of described backwind tube and ventilation duct junction, and described control valve E is arranged in the downstream of described exhaust duct and backwind tube junction.
The present invention, on the basis of technique scheme, also comprises following preferred version:
Described exhaust duct is also connected with the air detecting device being positioned at described filter upstream side.
Described ventilation duct is arranged in the described underground space.
Described control valve D is arranged in the upstream side of described control valve A.
Described control valve A arranges near the junction of described backwind tube and ventilation duct.
Described control valve D arranges near the junction of described backwind tube and exhaust duct.
Described control valve C arranges near described dehumidifier apparatus air intake and described exhaust duct junction.
Advantage of the present invention is: this basement of the present invention flows back to wind and dehumidification system has four kinds of mode of operations, can respectively for four kinds of different Construction Conditions, specific as follows:
1, in the contrary working method engineering that shallow foundation is cheated or the open area that fetches earth is larger, full air draft pattern can be opened, utilize nature to mend wind and improve underground environment.
2, in deep basal pit and general contrary working method engineering, air draft+return air is utilized to form circulated air mode of operation.
3, during deep foundation pit construction, in case of fire suppression or underground biogas concentration high when, the full air draft pattern of emergency opening, dusty gas is discharged foundation ditch by the shortest time.
4, when basement moisture is heavier, gas can be allowed after filtering after dehumidification system process through cleaning system, effectively improve the moist construction environment of basement.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be described further:
Fig. 1 is the structural representation flowing back to wind and dehumidification system of basement in this reverse construction process of the embodiment of the present invention;
Wherein:
1-exhaust duct, 2-backwind tube, 3-ventilation duct, 4-control valve A, 5-control valve B, 6-control valve C, 7-control valve D, 8-control valve E, 9-air detecting device, 10-filter, 11-purifier, 12-dehumidifier apparatus.
Detailed description of the invention
Fig. 1 shows the specific embodiment flowing back to wind and dehumidification system of basement in this reverse construction process of the present invention, and this system mainly comprises exhaust duct 1, backwind tube 2, ventilation duct 3, control valve A4, control valve B5, control valve C6, control valve D7, control valve E8, air detecting device 9, filter 10 and purifier 11.Wherein:
When practical application, one end of described exhaust duct 1 is stretched in the underground space, and the other end stretches out, and the underground space is outer to be connected with ambient atmosphere.
When practical application, one end of described backwind tube 2 is stretched in the underground space, and the other end is connected with described exhaust duct 1.
Ventilation duct 3 is connected between described exhaust duct 1 and backwind tube 2, and when practical application, this ventilation duct 3 is also positioned at the underground space usually.
Filter 10 and purifier 11 are all connected on described exhaust duct 1, and purifier 11 is positioned at the downstream (downstream of exhaust duct air draft wind direction) of filter 10, namely filter 10 and purifier 11 are arranged successively along the air draft direction of this exhaust duct 1.
Air detecting device 9 is connected on exhaust duct 1, and is positioned at the upstream side of described filter 10, and namely air detecting device 9, filter 10 and purifier 11 are arranged successively along the air draft direction of exhaust duct 1.Air detecting device 9, mainly for detection of the quality of underground air, to regulate the opening and closing of each control valve according to its air quality detected, reaches function and the effect of following table 1.
The air intake of dehumidifier apparatus 12 is connected on the exhaust duct 1 between described filter 10 and purifier 11, and the outlet air end of dehumidifier apparatus 12 is connected with described purifier 11.
Control valve A4 and control valve D7 is all connected on described backwind tube 2, and control valve A4 and control valve D7 is arranged in the upstream side (upstream side mentioned here refers to the upstream side in outgoing airflow direction in backwind tube) of described backwind tube 2 and ventilation duct 3 junction.Wherein, control valve A arranges with the junction of ventilation duct 3 near described backwind tube 2, and control valve D7 arranges near described backwind tube 2 and the junction of exhaust duct 1, control valve D7 is arranged in the upstream side (upstream side mentioned here also refers to the upstream side in outgoing airflow direction in backwind tube) of control valve A4.
Control valve E8 is arranged in the downstream (for air draft wind direction in exhaust duct) of described exhaust duct 1 and backwind tube 2 junction.
Control valve C6 is arranged in described dehumidifier apparatus 13 air intake, is specifically arranged in the position near dehumidifier apparatus 13 air intake and exhaust duct 1 junction.
With reference to shown in table 1, this basement of the present embodiment flows back to wind and dehumidification system at least has following four kinds of mode of operations:
The first: only opening controlling valve B5 and control valve E8, all the other control valves are closed, basement foul atmosphere is arranged overhead and is first entered filter, bulky grain suspension is tentatively filtered, air after filtration drains into air by demand is outer after dehydrating unit to purifier, can realize the effect by discharging underground construction space after underground air purification.
Under this mode of operation, the upper tubular section of backwind tube 2 is in closed state, and lower tubular section is communicated with exhaust duct 1 by ventilation duct 3, plays air draft effect.
The second: opening controlling valve A4, control valve C6 and control valve D7 simultaneously, all the other control valves are closed, and can realize deep basal pit air circulating dehumidification effect, be applicable to the situation of underground space operating environment humidity.
The third: opening controlling valve A4 and control valve D7 simultaneously, when other control valves are closed, can realize foundation ditch underground air clean cycle function.
4th kind: opening controlling valve B5, control valve C6 and control valve E8 simultaneously, when other control valves are closed, can realize foundation ditch underground air independent humidity control function.
Table 1:
Certainly, above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to people can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations of doing according to the Spirit Essence of main technical schemes of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (7)
1. in reverse construction process basement flow back to wind and a dehumidification system, it is characterized in that this system comprises:
Its one end stretches in the underground space that the other end stretches out the exhaust duct (1) outside the underground space,
The backwind tube (2) that in the underground space, the other end is connected with described exhaust duct (1) is stretched in its one end,
Be connected to the ventilation duct (3) between described exhaust duct (1) and backwind tube (2),
Be connected to the filter (10) and purifier (11) arranged successively on described exhaust duct (1) and along the air draft direction of this exhaust duct (1),
Its air intake is connected to exhaust duct (1) the above dehumidifier apparatus (12) that outlet air end is connected with described purifier (11) between described filter (10) and purifier (11),
Be connected to the control valve A (4) on described backwind tube (2) and control valve D (7),
Be connected to the control valve B (5) on described ventilation duct (3),
Be connected to the control valve C (6) of described dehumidifier apparatus (13) air intake,
Be connected to the control valve D (7) of described backwind tube (2) upper end, and
Be connected to the control valve E (8) of described exhaust duct (1) upper end;
Described control valve A (4) and control valve D (7) are arranged in the upstream side of described backwind tube (2) and ventilation duct (3) junction, and described control valve E (8) is arranged in the downstream of described exhaust duct (1) and backwind tube (2) junction.
2. in reverse construction process according to claim 1 basement flow back to wind and dehumidification system, it is characterized in that: described exhaust duct (1) is also connected with the air detecting device (9) being positioned at described filter (10) upstream side.
3. in reverse construction process according to claim 1 basement flow back to wind and dehumidification system, it is characterized in that: described ventilation duct (3) is arranged in the described underground space.
4. in reverse construction process according to claim 1 basement flow back to wind and dehumidification system, it is characterized in that: described control valve D (7) is arranged in the upstream side of described control valve A (4).
5. in reverse construction process according to claim 4 basement flow back to wind and dehumidification system, it is characterized in that: described control valve A (4) is arranged near the junction of described backwind tube (2) and ventilation duct (3).
6. in the reverse construction process according to claim 4 or 5 basement flow back to wind and dehumidification system, it is characterized in that: described control valve D (7) is arranged near the junction of described backwind tube (2) and exhaust duct (1).
7. in reverse construction process according to claim 1 basement flow back to wind and dehumidification system, it is characterized in that: described control valve C (6) is arranged near described dehumidifier apparatus (13) air intake and described exhaust duct (1) junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066931.0A CN105546706B (en) | 2016-01-29 | 2016-01-29 | Basement flows back to wind and dehumidification system during reverse construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066931.0A CN105546706B (en) | 2016-01-29 | 2016-01-29 | Basement flows back to wind and dehumidification system during reverse construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105546706A true CN105546706A (en) | 2016-05-04 |
| CN105546706B CN105546706B (en) | 2018-08-21 |
Family
ID=55826086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610066931.0A Active CN105546706B (en) | 2016-01-29 | 2016-01-29 | Basement flows back to wind and dehumidification system during reverse construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105546706B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016569A (en) * | 2016-07-06 | 2016-10-12 | 殷晓冬 | Fresh air purification system with remote control function |
| CN110986201A (en) * | 2019-12-04 | 2020-04-10 | 深圳市沣锦实业有限公司 | Intelligent dehumidification, mildew prevention and seepage prevention system for underground space |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011226753A (en) * | 2010-04-20 | 2011-11-10 | Kiyoshi Yanagimachi | Air conditioning facility and geothermal heat pipe |
| KR20130081797A (en) * | 2012-01-10 | 2013-07-18 | 주 식 김 | Desiccant air conditioner |
| CN103256666A (en) * | 2013-05-15 | 2013-08-21 | 天津中德职业技术学院 | Independent primary air system provided with heat pipe exchanger and working method thereof |
| CN103759360A (en) * | 2014-01-20 | 2014-04-30 | 新疆绿色使者干空气能源有限公司 | Multi-working-condition composite indirect air processing device and air conditioning method thereof |
| CN203823908U (en) * | 2014-05-15 | 2014-09-10 | 北京辐通迅捷***集成技术有限公司 | System with air supply and return pipeline shared by fresh air purification system and dehumidification system |
| CN204084726U (en) * | 2014-07-22 | 2015-01-07 | 浙江欧伦电气有限公司 | Dehumidifying VMC |
| CN104864527A (en) * | 2015-05-07 | 2015-08-26 | 广东申菱空调设备有限公司 | Tunnel-type evaporative-condensation direct-expansion cooling-air type ventilation and air-conditioning system for subway station |
| CN205372903U (en) * | 2016-01-29 | 2016-07-06 | 上海建工二建集团有限公司 | Row's return air and dehumidification system of reverse construction in -process basement |
-
2016
- 2016-01-29 CN CN201610066931.0A patent/CN105546706B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011226753A (en) * | 2010-04-20 | 2011-11-10 | Kiyoshi Yanagimachi | Air conditioning facility and geothermal heat pipe |
| KR20130081797A (en) * | 2012-01-10 | 2013-07-18 | 주 식 김 | Desiccant air conditioner |
| CN103256666A (en) * | 2013-05-15 | 2013-08-21 | 天津中德职业技术学院 | Independent primary air system provided with heat pipe exchanger and working method thereof |
| CN103759360A (en) * | 2014-01-20 | 2014-04-30 | 新疆绿色使者干空气能源有限公司 | Multi-working-condition composite indirect air processing device and air conditioning method thereof |
| CN203823908U (en) * | 2014-05-15 | 2014-09-10 | 北京辐通迅捷***集成技术有限公司 | System with air supply and return pipeline shared by fresh air purification system and dehumidification system |
| CN204084726U (en) * | 2014-07-22 | 2015-01-07 | 浙江欧伦电气有限公司 | Dehumidifying VMC |
| CN104864527A (en) * | 2015-05-07 | 2015-08-26 | 广东申菱空调设备有限公司 | Tunnel-type evaporative-condensation direct-expansion cooling-air type ventilation and air-conditioning system for subway station |
| CN205372903U (en) * | 2016-01-29 | 2016-07-06 | 上海建工二建集团有限公司 | Row's return air and dehumidification system of reverse construction in -process basement |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016569A (en) * | 2016-07-06 | 2016-10-12 | 殷晓冬 | Fresh air purification system with remote control function |
| CN106016569B (en) * | 2016-07-06 | 2021-11-23 | 殷晓冬 | Fresh air purification system with remote control function |
| CN110986201A (en) * | 2019-12-04 | 2020-04-10 | 深圳市沣锦实业有限公司 | Intelligent dehumidification, mildew prevention and seepage prevention system for underground space |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105546706B (en) | 2018-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7331854B2 (en) | Common filtration unit for building makeup air and emergency exhaust | |
| CN208162240U (en) | A kind of workshop dedusting smoke evacuation system | |
| CN105135566A (en) | Pollutant obstructing system based on air directional flowing principle and using method of pollutant obstructing system | |
| CN106352444A (en) | Novel efficient fresh air ventilator | |
| CN208983510U (en) | A kind of intelligent type energy saving dust-free workshop | |
| CN108006884A (en) | One kind prevents outdoor air pollution thing from entering chamber system and its control method | |
| CN105546706A (en) | Air exhausting and returning and dehumidification system of basement in top-down construction process | |
| CN104492200A (en) | Multilevel water filtering air purifier | |
| CN205372903U (en) | Row's return air and dehumidification system of reverse construction in -process basement | |
| CN204787019U (en) | Ventilator | |
| CN208815638U (en) | A kind of deodorization ventilating system | |
| CN204380447U (en) | Multi-stage water filter air purifier | |
| CN204534904U (en) | building indoor purifying haze air system | |
| CN206867897U (en) | A kind of self-cleaning, air cleaning device | |
| CN107420123A (en) | A kind of open and close type system station subway platform fume exhaust layout structure | |
| CN107744703A (en) | A kind of easy-to-dismount efficient air purifier | |
| CN206846990U (en) | A kind of air purifier | |
| CN206837790U (en) | A kind of system for the concentration of volatile organic matter gas collection | |
| CN108543391A (en) | A kind of novel ecological antibacterial air-purification filter device and use technique | |
| JP2010117118A (en) | Doorway shutoff device | |
| CN104566662A (en) | Air purifying equipment capable of combining active purification and passive purification | |
| KR102353692B1 (en) | Marine exhaust systems and exhaust control method | |
| CN104527376A (en) | Excavator and air cleaning unit for excavator cab | |
| JP5325414B2 (en) | Rust prevention dehumidification device and system | |
| CN207006458U (en) | A kind of soundproof construction ventilating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |