CN108425426A - A kind of municipal pipeline ventilation device - Google Patents
A kind of municipal pipeline ventilation device Download PDFInfo
- Publication number
- CN108425426A CN108425426A CN201810137520.5A CN201810137520A CN108425426A CN 108425426 A CN108425426 A CN 108425426A CN 201810137520 A CN201810137520 A CN 201810137520A CN 108425426 A CN108425426 A CN 108425426A
- Authority
- CN
- China
- Prior art keywords
- air
- pipe
- underground piping
- air draft
- control valve
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/08—Ventilation of sewers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of municipal pipeline ventilation devices,It is poor to solve air flow property in underground piping in the prior art,Toxic gas and particulates emission are accumulated in the air of underground piping,The problem of health of the construction personnel of operation is impacted,Its key points of the technical solution are that a kind of municipal pipeline ventilation device,Including air draft pipe,Filter pipe and wind pipe,It is provided with induced draft fans in the air draft pipe and one end of air draft pipe is connected with the corner of underground piping,The other end of the air draft pipe is connected with filter pipe,Dust-filtering plate is disposed in the filter pipe,First control valve and canister,The filter pipe is communicated with a ventilation shaft,In the ventilation shaft the second control valve and cleanser that control ventilation shaft opens and closes are disposed with along air-flow direction,The air permeability of underground piping can be enhanced by having reached,To reduce the content of toxic gas in underground piping,Avoid impacting to the health of staff.
Description
Technical field
The present invention relates to urban operating mechanism, more particularly to a kind of municipal pipeline ventilation device.
Background technology
Municipal pipeline is urban public utilities, is a ring important in Process of Urbanization Construction, is to be used for draining-off sewage and rainwater
Underground piping.
The usual transverse and longitudinal arrangement of underground piping, which interconnects, to be arranged below city, and is provided with several openings to facilitate work
People enters underground piping and carries out blocking of the dredging to avoid underground piping to underground piping.
Since being emitted into the sewage of underground piping in city would generally mix swill and remaining rubbish, by
Poor in the mobility of air in underground piping, organic matter therein can be along with stench by long-term immersion, corruption, fermentation
A large amount of particulates emissions are generated, part particulates emission can be attached on muck surface, and other part particulates emission can diffuse to underground
In the air of pipeline, the decline of air quality in underground piping is caused.
In underground piping under the mobilization of flow, mud would generally be accumulated in the corner of underground piping, Gong Ren
The particulates emission being attached on mud can be made largely to be discharged when clearing up underground piping mud, cause air in pipeline
Quality further declines, and causes to seriously affect to the health of staff.
Invention content
The object of the present invention is to provide a kind of municipal pipeline ventilation devices, can enhance the air permeability of underground piping, from
And the content of particulates emission in underground piping is reduced, it avoids impacting the health of staff.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of municipal pipeline ventilation device, including air draft pipe, filter pipe and wind pipe, the interior setting of the air draft pipe
There is one end of induced draft fans and air draft pipe to be connected with the corner of underground piping, the other end of the air draft pipe and filtering
Pipeline is connected, and dust-filtering plate, the first control valve and canister are disposed with along air-flow direction in the filter pipe,
The filter pipe is communicated with a ventilation shaft, one end of the ventilation shaft be connected to dust-filtering plate and the first control valve it
Between, the other end is connected on wind pipe, and control ventilation shaft is disposed with along air-flow direction in the ventilation shaft
The second control valve and the cleanser made of asbestos fibre opened and closed.
By using above-mentioned technical proposal, by making air draft pipe be connected with the corner of underground piping, air draft pipe
Interior induced draft fans can take the air in underground piping away, and outside air can enter buried pipe from the opening of underground piping
In road, to enhance the air flow property in underground piping, particulates emission is avoided to be accumulated to work in the air of underground piping
The health for making personnel impacts；In addition, in dredging, the content of particulates emission is more in underground piping air, closes at this time
Second control valve opens the first control valve, to close ventilation shaft and open filter pipe, the air of extraction in underground piping
Enter filter pipe from air draft pipe, successively by dust-filtering plate and canister, dust-filtering plate can be by big grain in air
The dust and particle of diameter are filtered, and particulates emission in air and noxious material can be filtered by canister, after having filtered
Air be emitted into the external world from wind pipe, avoid polluting outside air；When without dredging, have in air
The content of evil particle is less, closes the first control valve at this time, opens the second control valve to close filter pipe unlatching ventilation duct
Road takes out the air come out of underground piping and enters ventilation shaft after dust-filtering plate, a small amount of particulates emission quilt in air
Asbestos fibre absorbs to be discharged from wind pipe again, can be kept the strainability of canister, be avoided when without dredging always
The gradually decrease of canister filter effect is caused using canister so that when dredging the strainability of canister be not enough to by
A large amount of particulates emission in air is filtered.
Preferably, the canister includes the fine filtering layer set gradually along air-flow direction and sorption layer, it is described
Fine filtering layer is made of ultra-fine fibre glass, and the activated carbon of dipping copper, chromium, silver compound is filled in the sorption layer.
By using above-mentioned technical proposal, fine filtering layer is made of ultra-fine fibre glass paper, the fine filtering layer made of the material
The particulates emission for being suspended in the air small particle can be filtered out, the activity of dipping copper, chromium, silver compound is filled in sorption layer
Charcoal carried out particulates emission and some toxic gases by the physical absorption of activated carbon and the chemisorption of impregnating agent
Filter improves the effect of filtering poison gas.
Preferably, being provided with filtering ponds between the dust-filtering plate and canister.
By using above-mentioned technical proposal, by being provided with filtering ponds between dust-filtering plate and canister, from dust
The tentatively filtered air of filter plate first passes through in the water storage in filtering ponds, and the particulates emission that some in air are dissolved in water is inhaled by water
It is sent again from discharge in filtering ponds to from canister after receipts, can reduce canister uses load；In addition, in the water storage of filtering ponds
It can be mixed with the solution of some copper, chromium, silver compound, particulates emission can further be filtered.
Preferably, being provided with drier between the filtering ponds and the first control valve, chlorine is filled in the drier
Change drier made of calcium.
By using above-mentioned technical proposal, more aqueous vapor is carried from the air that filtering ponds are discharged, and canister makes moist
Filtering malicious ability afterwards can reduce, and by the design of drier, be filled with drier in drier, the air being discharged from filtering ponds is first
By drier, absorbed to be re-fed into canister after moisture by drier and be filtered, canister can be avoided because
Filter toxic effect fruit caused by making moist is deteriorated, meanwhile, some particulates emissions for being adhered to aqueous vapor surface can also together be inhaled by drier
It is attached, to reduce the use load of canister.
Preferably, the air draft pipe is also communicated with an air supply duct, the other end of the air supply duct is connected to pumping
On wind pipeline, the breeze fan and control air-supply passage that outside air is sent into underground piping are provided in the air supply duct
The third control valve of keying.
By using above-mentioned technical proposal, pass through the design of air supply duct, corner of the construction personnel towards underground piping
When being moved and clearing up mud, the outside exhausting of air draft pipe is opened, the air of underground piping is made to flow to and worker's moving direction
Unanimously, the toxic gas and particulates emission that worker generates in cleaning underground piping can be drawn into filter pipe, make worker not
It can excessively be influenced by toxic gas and particulates emission；Worker when the corner backwards to underground piping carries out mobile cleaning,
Filter pipe is closed by the first control valve, while air supply duct is opened by third control valve and is blown into underground piping, is made
The flow direction of air is consistent with worker's moving direction always in underground piping, avoids head-on blowing particulates emission and stench to work
The health of people impacts.
Preferably, the filter pipe, ventilation shaft, air supply duct and wind pipe are arranged at a filter box
It is interior.
By using above-mentioned technical proposal, by the design of filter box, filter box can be to filter pipe, ventilation duct
Road, air supply duct and wind pipe are protected, and avoid filter pipe, ventilation shaft, air supply duct and wind pipe by outer
The collision of object damages.
Preferably, the air draft pipe stretches into inside underground piping and cuts the opening of air draft pipe and be connected with and expand outwardly
Conical ring.
By using above-mentioned technical proposal, by the design of conical ring, conical ring can enter air in underground piping
Guiding role is played when air draft pipe, and the air in underground piping is enable preferably to enter air draft pipe.
Preferably, being provided with emitting bulb on the conical ring, being provided with supply lines on the outside of the air draft pipe penetrates
For the cabling channel of emitting bulb power supply.
By using above-mentioned technical proposal, since corner's mud of underground piping is more, and the light inside underground piping
Line is poor, and by the design of emitting bulb and cabling channel, emitting bulb shines, and the light that can enhance underground piping corner is bright
Degree, enables construction worker preferably to clear up the mud of corner.
In conclusion the invention has the advantages that：
1. worker, which enters underground piping, carries out dredging, when turning of the worker towards underground piping is moved and clears up mud,
Filter pipe is opened, ventilation shaft and air supply duct are closed, and air draft pipe is by the sky for mixing particulates emission in underground piping
Gas is pumped into filter pipe, after air is successively filtered by dust-filtering plate, filtering ponds, drier and canister, then from
It is discharged in wind pipe；
2. worker moves in the corner backwards to underground piping and when clearing up mud, air supply duct opens, filter pipe and
Ventilation shaft is closed, and outside air is drawn into inside underground piping so that in underground piping the flow direction of air always with work
People's moving direction is consistent, avoids head-on blowing the air for mixing particulates emission and is impacted to the health of worker；
3. when worker is without dredging, ventilation shaft is opened, filter pipe and air supply duct are closed, and air draft pipe is by buried pipe
Air in road is taken away, and air successively enters ventilation shaft by dust-filtering plate, filtering ponds, hothouse, and passes through ventilation duct
Cleanser purification in road, then be discharged from wind pipe, avoid canister from causing filter toxic effect fruit during long-time use
It is deteriorated.
Description of the drawings
Fig. 1 is the schematic diagram of ventilation device；
Fig. 2 is schematic diagram when filter pipe is opened in filter box；
Fig. 3 is the connection diagram of air draft pipe and conical ring；
Fig. 4 is schematic diagram when air supply duct is opened in filter box；
Fig. 5 is schematic diagram when ventilation shaft is opened in filter box.
In figure, 1, underground piping；2, filter box；21, air draft pipe；211, induced draft fans；212, conical ring；22, mistake
Chimney filter road；221, dust-filtering plate；222, canister；2221, fine filtering layer；2222, sorption layer；223, filtering ponds；224, dry
Device；225, the first control valve；23, ventilation shaft；231, cleanser；232, the second control valve；24, air supply duct；241, third
Control valve；242, breeze fan；25, wind pipe；3, emitting bulb；31, cabling channel.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
Referring to Figures 1 and 2, the present invention proposes a kind of municipal pipeline ventilation device, and Rose Box on the ground is arranged
Body 2 is connected to 1 corner of underground piping and is internally provided with induced draft fans 211 for air in underground piping 1 to be pumped into filtering
The air draft pipe 21 of babinet 2 and the wind pipe 25 being discharged for filtered air in the filter box 2 is set.
Referring to Figure 1 and Figure 3,21 one end of air draft pipe stretches into 1 internal thread of underground piping and is connected with the conical ring expanded outwardly
212,212 inner wall of conical ring has been provided at circumferentially spaced several emitting bulbs 3 along it, and 21 outside of air draft pipe is provided with supply lines and wears
Enter the cabling channel 31 powered for emitting bulb 3.
With reference to Fig. 2, filter pipe 22, ventilation shaft 23 and air supply duct 24 are additionally provided in filter box 2.Filter pipe
22 are connected with the other end of air draft pipe 21, inside along air-flow direction be disposed with dust-filtering plate 221, filtering ponds
223, drier 224, the first control valve 225 and canister 222.
The filter hole hole of dust-filtering plate 221 is smaller, from the interior air taken out of underground piping 1 into dust-filtering plate excessively
Some large-sized dusts are filtered by dust-filtering plate 221 after 221；Filtering is passed through by 221 filtered air of dust-filtering plate
In water in pond 223, the dust of some small particles and some toxic gases for being dissolved in water can be inhaled by the water in filtering ponds 223
It receives, the solution of some copper, chromium, silver compound can also be added to improve the filtering energy to particulates emission in the water of filtering ponds 223
Power；For air by drying device 224 after filtering ponds 223, drier 224 is interior filled with dry made of calcium chloride granules
Agent, drier made of the material can be by the moisture sorption in air, while some being attached to the particulates emission on droplet
It is adsorbed；First control valve 225 is used to control the keying of filter pipe 22；Fine filtering layer is disposed in canister 222
2221 and sorption layer 2222, fine filtering layer 2221 be made of ultra-fine fibre glass paper, use 2221 energy of fine filtering layer made of the material
The particulates emission for being suspended in the air small particle is enough filtered out, the activity of dipping copper, chromium, silver compound is filled in sorption layer 2222
Charcoal is filtered all kinds of harmful poison gases, has filtered by the physical absorption of activated carbon and the chemisorption of impregnating agent
Air is sent into from exhaust outlet in air again.
Ventilation shaft 23 is connected with filter pipe 22, and one end of ventilation shaft 23 is connected to the control of drier 224 and first
Between valve 225 processed, the other end is connected on wind pipe 25.Inside ventilation shaft 23 control is disposed with along air-flow direction
The second control valve 232 and cleanser 231 made of asbestos fibre that ventilation shaft 23 processed opens and closes, made of the material
Cleanser 231 can absorb the particulates emission in air.
24 one end of air supply duct is connected with air draft pipe 21, and the other end is connected with wind pipe 25, air supply duct 24
Be internally provided with by outside air be sent into air draft pipe 21 breeze fan 242, air supply duct 24 close to air draft pipe 21 one
End is additionally provided with the third control valve 241 that control air supply duct 24 opens and closes.
Application method：
With reference to Fig. 2, when turning of the worker towards underground piping 1 is moved and clears up mud, filter pipe 22 is opened, divulges information
Pipeline 23 and air supply duct 24 are closed, and the air for mixing particulates emission in underground piping 1 is pumped into filtering by air draft pipe 21
In pipeline 22, after air is successively filtered by dust-filtering plate 221, filtering ponds 223, drier 224 and canister 222,
It is discharged from wind pipe 25 again；
With reference to Fig. 4, when worker is when the corner backwards to underground piping 1 moves and clears up mud, air supply duct 24 opens,
Filter pipe 22 and ventilation shaft 23 are closed, and outside air is drawn into inside underground piping 1 so that air in underground piping 1
Flow direction is consistent with worker's moving direction always, avoids head-on blowing the air for mixing particulates emission and be made to the health of worker
At influence；
With reference to Fig. 5, when worker is without dredging, ventilation shaft 23 is opened, filter pipe 22 and air supply duct 24 are closed, exhausting
Pipeline 21 takes the air in underground piping 1 away, and air is successively entered by dust-filtering plate 221, filtering ponds 223, hothouse
Ventilation shaft 23, and purified by the cleanser 231 in ventilation shaft 23, then be discharged from wind pipe 25, avoid canister
222 cause filter toxic effect fruit to be deteriorated during long-time use.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (8)
1. a kind of municipal pipeline ventilation device, which is characterized in that including air draft pipe（21）, filter pipe（22）And discharge pipe
Road（25）, the air draft pipe（21）Inside it is provided with induced draft fans（211）And air draft pipe（21）One end and underground piping（1）
Corner be connected, the air draft pipe（21）The other end and filter pipe（22）It is connected, the filter pipe（22）It is interior
It is disposed with dust-filtering plate along air-flow direction（221）, the first control valve（225）And canister（222）, the filtering
Pipeline（22）It is communicated with a ventilation shaft（23）, the ventilation shaft（23）One end be connected to dust-filtering plate（221）With
One control valve（225）Between, the other end is connected to wind pipe（25）On, the ventilation shaft（23）It is interior along air-flow direction
It is disposed with control ventilation shaft（23）The second control valve opened and closed（232）And the cleanser made of asbestos fibre
（231）.
2. a kind of municipal pipeline ventilation device according to claim 1, which is characterized in that the canister（222）Packet
Include the fine filtering layer set gradually along air-flow direction（2221）With sorption layer（2222）, the fine filtering layer（2221）Using super
Thin glass fiber is made, the sorption layer（2222）Inside it is filled with the activated carbon of dipping copper, chromium, silver compound.
3. a kind of municipal pipeline ventilation device according to claim 1, which is characterized in that the dust-filtering plate
（221）With the first control valve（225）Between be provided with filtering ponds（223）.
4. a kind of municipal pipeline ventilation device according to claim 3, which is characterized in that the filtering ponds（223）With
First control valve（225）Between be provided with drier（224）, the drier（224）It is inside filled with dry made of calcium chloride
Agent.
5. a kind of municipal pipeline ventilation device according to claim 1, which is characterized in that the air draft pipe（21）Also
It is communicated with an air supply duct（24）, the air supply duct（24）The other end be connected to air draft pipe（21）On, the ajutage
Road（24）It is inside provided with and outside air is sent into underground piping（1）Breeze fan（242）And control air supply duct（24）It opens
The third control valve closed（241）.
6. a kind of municipal pipeline ventilation device according to claim 5, which is characterized in that the filter pipe（22）、
Ventilation shaft（23）, air supply duct（24）And wind pipe（25）It is arranged at a filter box（2）It is interior.
7. a kind of municipal pipeline ventilation device according to claim 1, which is characterized in that the air draft pipe（21）It stretches
Enter underground piping（1）Cut air draft pipe in inside（21）Opening be connected with the conical ring expanded outwardly（212）.
8. a kind of municipal pipeline ventilation device according to claim 7, which is characterized in that the conical ring（212）On
It is provided with emitting bulb（3）, the air draft pipe（21）Outside is provided with supply lines and penetrates as emitting bulb（3）The cabling of power supply
Slot（31）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810137520.5A CN108425426A (en) | 2018-02-10 | 2018-02-10 | A kind of municipal pipeline ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810137520.5A CN108425426A (en) | 2018-02-10 | 2018-02-10 | A kind of municipal pipeline ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108425426A true CN108425426A (en) | 2018-08-21 |
Family
ID=63156787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810137520.5A Pending CN108425426A (en) | 2018-02-10 | 2018-02-10 | A kind of municipal pipeline ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108425426A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351077A (en) * | 2018-10-29 | 2019-02-19 | 江苏欧迈机械工程有限公司 | A kind of Painting Shop air cleaning unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895181A (en) * | 2015-06-16 | 2015-09-09 | 赵剑 | Treatment method and prevention and treatment facility of bad air of underground rainwater/sewage pipe network |
| CN107419791A (en) * | 2017-09-10 | 2017-12-01 | 沈阳建筑大学 | Sewage conduct with processing toxic gas vertical shaft |
-
2018
- 2018-02-10 CN CN201810137520.5A patent/CN108425426A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895181A (en) * | 2015-06-16 | 2015-09-09 | 赵剑 | Treatment method and prevention and treatment facility of bad air of underground rainwater/sewage pipe network |
| CN107419791A (en) * | 2017-09-10 | 2017-12-01 | 沈阳建筑大学 | Sewage conduct with processing toxic gas vertical shaft |
Non-Patent Citations (2)
| Title |
|---|
| 袁亮等: "《煤矿总工程师技术手册 中》", 31 July 2010, 煤炭工业出版社 * |
| 陈志龙: "《人民防空工程技术与管理》", 30 September 2004, 中国建筑工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351077A (en) * | 2018-10-29 | 2019-02-19 | 江苏欧迈机械工程有限公司 | A kind of Painting Shop air cleaning unit |
| CN109351077B (en) * | 2018-10-29 | 2023-11-24 | 江苏欧迈机械工程有限公司 | Air purification device for coating workshop |
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Application publication date: 20180821 |
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| RJ01 | Rejection of invention patent application after publication |