CN109440910A - It is a kind of suitable for underground type water treatment building without air hose method of ventilation - Google Patents
It is a kind of suitable for underground type water treatment building without air hose method of ventilation Download PDFInfo
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- CN109440910A CN109440910A CN201811159432.1A CN201811159432A CN109440910A CN 109440910 A CN109440910 A CN 109440910A CN 201811159432 A CN201811159432 A CN 201811159432A CN 109440910 A CN109440910 A CN 109440910A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/08—Ventilation of sewers
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a kind of suitable for underground type water treatment building without air hose method of ventilation, comprising the following steps: outdoor fresh air enters blowing shaft after opening pressure fan；Fresh air enters pressure fan after the array silencer being located in blowing shaft；Fresh air is after pressure fan is pressurized to the array silencer of pressure fan air outlet；Then pass through electric control valve to gallery of blowing；Fresh air is sent in the form of class one-way piston stream to ventilation target area air-supply gallery and air exhaust units is arranged in target area end, the air for carrying indoor gaseous pollutant is discharged by exhaust blower by the outlet louvers for adjusting air-supply gallery.The present invention realizes arranging in the target ventilation region without air hose ventilating system, reduces the buried depth of underground type sewage treatment plant while having beauty again, reduces civil engineering initial cost；The age of air and pollutant concentration for reducing region of patrolling and examining inside large space, improve drafting efficiency and contaminant removal effectiveness.
Description
Technical field
The present invention relates to water treatment fields, and in particular to it is a kind of suitable for underground type water treatment building without duct ventilation
Method.
Background technique
Water processing establishment is transferred to underground by outdoor by underground type water treatment building, has closure strong, environmental-friendly,
Occupied area is small, is able to drive and promotes periphery plot quality, with greening, water scenery organically combines, aesthetics is good the advantages that, obtain each
The approval of ground government and nearby residents, construction demand sharply increase, it has also become the new direction of city water process engineering construction.
Underground type water treatment building generally divides three layers: ground floor generally includes several ventilation shafts, entrance etc., remaining is big
Part is earth-covering greening；Basement one is that equipment is lifted by crane and personnel make an inspection tour space for maintenance, and most of region and the exterior space are separated,
Relative closure；Two layers of underground is cesspool, and the foul smell for usually avoiding cesspool from distributing influences basement one personnel and makes an inspection tour maintenance
The air environment in area will be laid with cover board on cesspool containing area, form closed state；Basement one and two layers of underground composition ground
Lower box structure.Wherein basement one is that personnel mainly stay area, and due to relative closure, gravity-flow ventilation condition is poor, and from dirt
Pond containing area upper cover plate can penetrate pollutant, it is necessary to mechanical ventilation system be arranged as large space ventilation, guarantee air
Quality.
At present in the built underground type water treatment building in China, mechanical ventilation system is in addition to being arranged blowing and discharging fan, generally
Arrange that a large amount of supply and exhaust pipes are lifted on basement one structure roof lower part, since basement one needs to consider that water treatment facilities lift by crane
Space for maintenance, generally have the characteristics that area greatly, free height, force ventilation amount is big, so air hose cross dimensions is larger, width
Up to 2 ~ 3m, 0.5 ~ 1m of height.Big cross section air hose occupies most of pipe space, often with cable testing bridge, fire extinguisher canvas hose, again
Unboiled water or feedwater piping, deodorization pipeline intersection conflict are more, while intersecting with basement one structure roof primary-secondary beam, are not easy cloth
It sets.To avoid the above conflict and guaranteeing the necessary pipeline enclosure of different type pipeline away from big cross section air hose often results in entirely
Underground box buried depth increases by 1 ~ 2m, and civil engineering investment is caused to be significantly increased.On the other hand, a large amount of air hose will also result in installation
It is big to maintain engineering amount, the problems such as construction hoisting difficulty.From the point of view of ventilation effect, the ventilation of this tradition setting supply and exhaust pipe
The generally existing ventilation dead zone of mode, the problems such as Uniform Ventilation is poor, operation energy consumption is big, noise is big.
Summary of the invention
The purpose of the present invention is overcoming above-mentioned the deficiencies in the prior art, cancels air-line system, provide a kind of suitable for underground
Formula water treatment building without air hose method of ventilation, have drafting efficiency with contaminant removal effectiveness is high, age of air is low, stagnation region of divulging information
The features such as few, can be effectively reduced the whole buried depth of underground type water treatment building, reduce fan pressure head, at the beginning of saving engineering construction
Investment and operation expense.
To achieve the goals above, realization of the invention is completed by following technical scheme: one kind being suitable for underground type water
Manage structures without air hose method of ventilation, it is characterised in that
The underground type water treatment building includes air-supply gallery, the pressure fan and blowing shaft, mesh for being set to air-supply gallery both ends
Aerated area, exhaust blower and removing shaft are marked, air-supply gallery is connected to by outlet regulating blinds with ventilation target area；
This method comprises the following steps:
Step 1, outdoor fresh air enters blowing shaft after opening pressure fan；
Step 2, fresh air enters pressure fan after the array silencer being located in blowing shaft；
Step 3, fresh air is after pressure fan is pressurized to the array silencer of pressure fan air outlet；Then pass through motorized adjustment
Valve is to gallery of blowing；
Step 4, the outlet louvers for adjusting air-supply gallery, by air-supply gallery by the air of air inlet unit with the shape of one-way piston stream
Formula is sent to ventilation target area；
Step 5, air exhaust units are set in target area end, the air for carrying indoor gaseous pollutant is discharged by exhaust blower.
Further, the air-supply gallery is set to the side of ventilation target area, and along underground type water treatment building
Width direction arrangement.
Further, air-supply gallery both ends set air inlet unit, and the air inlet unit includes being set to the air-supply gallery two
The air intake passage at end, the air intake passage is interior to be equipped with pressure fan, and air intake passage is connected to by blowing shaft with outdoor；The blowing shaft
Side air inlet mouth sets noise elimination stormproof louvre, and pressure fan is large axial flow fan, frequency-changing vertical installation, mating shock mount, afflux
Device, diffuser and deflector.
Further, exhaust blower is large axial flow fan, sets air draft at the top of underground type water treatment building basement one
Machine support plate, to improve drafting efficiency, exhaust blower is horizontally mounted by damper is fixed on support plate.
It further, is array silencing pot below exhaust blower, array silencing pot is fixed on removing shaft by hinged bolt
On the top plate of lower section, array silencing pot includes array silencer, and array silencing pot bottom sets double deflection grille, in step 5, air
Successively ventilation double deflection grille, array silencer, exhaust blower, ventilating shaft, the discharge of noise elimination stormproof louvre.
Further, if having structure building in ventilation target area, to reduce structure building lee side pollutant concentration, then
Induced fan is set in the position.
The invention has the advantages that (1) realizes arranging in the target ventilation region without ventilation shaft, have the same of beauty
When reduce the buried depth of underground type water treatment plant again, reduce civil engineering initial cost；(2) by cancelling air hose arrangement, air hose is avoided
With the intersection conflict of other pipelines and basement one structure roof primary-secondary beam, solves wind while reducing air hose initial cost
Pipe installation maintenance problem；(3) system operation energy consumption and fan operation noise are reduced by reducing fan pressure head.(4) it reduces
Internal gas flow stagnation region realizes the class one-way piston stream inside large space；(5) sky of region of patrolling and examining inside large space is reduced
Gas age and pollutant (mainly H2S) concentration improves drafting efficiency and contaminant removal effectiveness.
Detailed description of the invention
Fig. 1 is complete layout in the present invention.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is air inlet unit detail drawing in the present invention.
Fig. 4 is air exhaust units detail drawing in the present invention.
Specific embodiment
Below in conjunction with attached drawing by underground type water treatment building without air hose ventilating system embodiment to spy of the invention
Sign and other correlated characteristics are described in further detail, and in order to the understanding of technical staff of the same trade, be can refer to the present embodiment and are set
It sets.
Picture 1-4,1-17 is marked to be respectively as follows: pressure fan 1, spring damper 2, array silencer 3, electric control valve in figure
4, noise elimination stormproof louvre 5, outlet regulating blinds 6, operating maintenance personnel 7, sewage submersible agitator 8, double deflection grille 9, into
Wind channel 10, ventilating shaft 11, deflector 12, exhaust blower 13, exhaust blower support plate 14, exhaust blower damper 15, array silencing pot 16,
Seal cover board 17.
Embodiment: the present embodiment more particularly to it is a kind of for underground type water treatment building without air hose ventilating system, tool
Have that drafting efficiency and contaminant removal effectiveness are high, age of air is low, ventilation stagnation region is few, supply and exhaust uniformities are good, operation energy consumption and noise
Low advantage can be effectively reduced the whole buried depth of underground type water treatment building, reduce fan pressure head, at the beginning of saving engineering construction
Investment and operation expense as shown in figure 3, underground type water treatment building without air hose ventilating system by air inlet unit, air-supply
Gallery, ventilation target area, air exhaust units composition.
Air inlet unit contains: pressure fan 1, spring damper 2, array silencer 3, electric control valve 4, noise elimination stormproof louvre 5,
Air intake passage 10, ventilating shaft 11, deflector 12.
Pressure fan 1 is large axial flow fan, frequency-changing vertical installation, mating shock mount, collector, diffuser and water conservancy diversion
Plate.
Array silencer 3 needs specialized factory customized to meet installation requirement in noise reduction requirement and ventilating shaft.Array silencer is adopted
It is fixed in ventilating shaft with stainless steel stent modularization, while again can easy disassembly cleaning.
Pressure fan positioned at air-supply gallery both ends is sent into fresh air into air-supply gallery, and air supply direction is along underground type water
Handle the width direction of structures.Piping lane blow as plenum chamber, can play and reduce air-flow dynamic pressure, increases air-flow static pressure, mentions
The effects of high gas flow uniformity, reduction noise.Outlet regulating blinds 6 is arranged in air-supply piping lane frontage and airiness target area side, leads to
Outlet regulating blinds 6 is crossed to send the air of air inlet unit in the form of class one-way piston stream to ventilation target area.
Air exhaust units include: double deflection grille 9, array silencer 3, ventilating shaft 11, exhaust blower 13, exhaust blower support plate
14, exhaust blower damper 15, array silencing pot 16, noise elimination stormproof louvre 5.
Exhaust blower 13 is large axial flow fan, for raising drafting efficiency, is horizontally mounted fixation by exhaust blower damper 15
In exhaust blower support plate 14.
It is array silencing pot 16 below exhaust blower, which is non-corrosive metal (NCM) material, is fixed on wind by hinged bolt etc.
On downhole top plate.Array silencing pot includes array silencer 3 and double deflection grille 9.
It is comprised the following steps using the method without air hose ventilating system of underground type water treatment building of the invention:
Step 1, outdoor fresh air passes through noise elimination stormproof louvre 5 into blowing shaft 11 after opening pressure fan 1；
Step 2, fresh air enters pressure fan 1 after the array silencer 3 being located in blowing shaft；
Step 3, fresh air is after the pressurization of pressure fan 1 to the array silencer 3 of pressure fan air outlet；Then pass through electric adjustable
Valve 4 is saved to air-supply gallery；
Step 4, by adjusting the outlet regulating blinds 6 of the gallery of blowing as plenum chamber, by the air of air inlet unit at two with
The form of class one-way piston stream is sent to ventilation target area；
Step 5, ventilation target area end setting 4 at air exhaust units, air successively divulge information double deflection grille 9, array eliminate the noise
Device 3, exhaust blower 13, ventilating shaft 11, noise elimination stormproof louvre 5 are discharged.
In this example, basement one is that space is lifted by crane and maked an inspection tour to equipment, and two layers of underground is underground type water treatment building,
The greening of top attached drawing.Wherein, underground type water treatment building is biological reaction pool and secondary settling tank, to prevent foul smell from overflowing, pond face
Top seals and is arranged foul smell collection device, and internal opposite ventilation target area is negative pressure in pond, divulges information in this example
Target area is the equipment lifting and tour space above water treatment building.When certain lattice pond dredging maintenance, by region
Cover board open, machinery air intake system at the open cover board above form positive pressure, fresh air is constantly pressed into inside pond,
Deodoration system carries out exhausting to pond inside simultaneously, makes to form negative pressure inside pond, makes to generate inside the pond of emptying toxic
Pernicious gas will not leak in the space of basement one.After pond inner ventilation ventilation a period of time, mobile instrument is used
Table detects pond internal environment, and until pond, internal environment meets personnel after personnel safety requires and is allowed for access.
The beneficial effect of the present embodiment is: (1) realizing in the target ventilation region and arrange have without ventilation shaft
The buried depth for reducing underground type water treatment plant while beautiful again, reduces civil engineering initial cost；(2) by cancelling air hose arrangement,
The intersection conflict for avoiding air hose and other pipelines and basement one structure roof primary-secondary beam, while reducing air hose initial cost
Solves air hose installation maintenance problem；(3) system operation energy consumption and fan operation noise are reduced by reducing fan pressure head；
(4) internal gas flow stagnation region is reduced, the class one-way piston stream inside large space is realized；(5) it reduces inside large space and patrols
Examine the age of air and pollutant (mainly H in region2S) concentration improves drafting efficiency and contaminant removal effectiveness.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (6)
1. it is a kind of suitable for underground type water treatment building without air hose method of ventilation, it is characterised in that
The underground type water treatment building includes air-supply gallery, the pressure fan and blowing shaft, mesh for being set to air-supply gallery both ends
Aerated area, exhaust blower and removing shaft are marked, air-supply gallery is connected to by outlet regulating blinds with ventilation target area；
This method comprises the following steps:
Step 1, outdoor fresh air enters blowing shaft after opening pressure fan；
Step 2, fresh air enters pressure fan after the array silencer being located in blowing shaft；
Step 3, fresh air is after pressure fan is pressurized to the array silencer of pressure fan air outlet；Then pass through motorized adjustment
Valve is to gallery of blowing；
Step 4, adjust air-supply gallery outlet louvers, air-supply gallery by fresh air air in the form of one-way piston stream
It send to ventilation target area；
Step 5, air exhaust units are set in target area end, the air for carrying indoor gaseous pollutant is discharged by exhaust blower.
2. as described in claim 1 suitable for underground type water treatment building without air hose method of ventilation, it is characterised in that institute
The side that air-supply gallery is set to ventilation target area is stated, and is arranged along the width direction of underground type water treatment building.
3. as described in claim 1 suitable for underground type water treatment building without air hose method of ventilation, it is characterised in that send
Wind porch road both ends set air inlet unit, and the air inlet unit includes the air intake passage for being set to the air-supply gallery both ends, it is described into
Pressure fan is equipped in wind channel, air intake passage is connected to by blowing shaft with outdoor；It is anti-that the blowing shaft side air inlet mouth sets noise elimination
Rain blinds, pressure fan are large axial flow fan, frequency-changing vertical installation, mating shock mount, collector, diffuser and deflector.
4. as described in claim 1 suitable for underground type water treatment building without air hose method of ventilation, it is characterised in that row
Blower is large axial flow fan, sets exhaust blower support plate at the top of underground type water treatment building basement one, to improve ventilation
Efficiency, exhaust blower is horizontally mounted by damper is fixed on support plate.
5. as described in claim 1 suitable for underground type water treatment building without air hose method of ventilation, it is characterised in that row
It is array silencing pot below blower, array silencing pot is fixed below removing shaft on top plate by hinged bolt, and array is eliminated the noise
Cylinder includes array silencer, and array silencing pot bottom sets double deflection grille, and in step 5, air successively divulge information bilayer blinds wind
Mouth, the discharge of array silencer, exhaust blower, ventilating shaft, noise elimination stormproof louvre.
6. as described in claim 1 suitable for underground type water treatment building without air hose method of ventilation, it is characterised in that logical
If there is structure building in wind target area, to reduce structure building lee side pollutant concentration, Induced fan is set in the position.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811159432.1A CN109440910A (en) | 2018-09-30 | 2018-09-30 | It is a kind of suitable for underground type water treatment building without air hose method of ventilation |
| PCT/CN2019/086020 WO2020062878A1 (en) | 2018-09-30 | 2019-05-08 | Ductless ventilation method applicable to underground water treatment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811159432.1A CN109440910A (en) | 2018-09-30 | 2018-09-30 | It is a kind of suitable for underground type water treatment building without air hose method of ventilation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109440910A true CN109440910A (en) | 2019-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811159432.1A Pending CN109440910A (en) | 2018-09-30 | 2018-09-30 | It is a kind of suitable for underground type water treatment building without air hose method of ventilation |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109440910A (en) |
| WO (1) | WO2020062878A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020062878A1 (en) * | 2018-09-30 | 2020-04-02 | 上海市政工程设计研究总院（集团）有限公司 | Ductless ventilation method applicable to underground water treatment structure |
| CN115421541A (en) * | 2022-09-30 | 2022-12-02 | 中国五冶集团有限公司 | Dynamic control system and control method suitable for ventilation of fully-buried sewage treatment plant |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2593099Y (en) * | 2003-01-29 | 2003-12-17 | 北京城建设计研究总院有限责任公司 | Ventilating-air conditioning multifunction equipment integrating system for metro |
| KR101548213B1 (en) * | 2014-02-18 | 2015-08-31 | 동서콘트롤(주) | Automatic ventilation apparatus |
| CN105240041A (en) * | 2015-11-17 | 2016-01-13 | 中国长江三峡集团公司 | Ventilating smoke dissipating system used for underground cavern construction of large hydropower station |
| CN108005703A (en) * | 2018-01-15 | 2018-05-08 | 侯超 | A kind of controllable air regulator ventilation blowdown smoke evacuation system in tunnel |
| CN109440910A (en) * | 2018-09-30 | 2019-03-08 | 上海市政工程设计研究总院（集团）有限公司 | It is a kind of suitable for underground type water treatment building without air hose method of ventilation |
| CN109357351A (en) * | 2018-09-30 | 2019-02-19 | 上海市政工程设计研究总院（集团）有限公司 | Suitable for underground type water treatment building without air hose ventilating system |
-
2018
- 2018-09-30 CN CN201811159432.1A patent/CN109440910A/en active Pending
-
2019
- 2019-05-08 WO PCT/CN2019/086020 patent/WO2020062878A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020062878A1 (en) * | 2018-09-30 | 2020-04-02 | 上海市政工程设计研究总院（集团）有限公司 | Ductless ventilation method applicable to underground water treatment structure |
| CN115421541A (en) * | 2022-09-30 | 2022-12-02 | 中国五冶集团有限公司 | Dynamic control system and control method suitable for ventilation of fully-buried sewage treatment plant |
| WO2024066746A1 (en) * | 2022-09-30 | 2024-04-04 | 中国五冶集团有限公司 | Dynamic control system and dynamic control method adapted to ventilation of fully-buried sewage treatment plant |
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| Publication number | Publication date |
|---|---|
| WO2020062878A1 (en) | 2020-04-02 |
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