CN108751314A - It is a kind of to collect the air-lift device promoted for garbage leachate - Google Patents
It is a kind of to collect the air-lift device promoted for garbage leachate Download PDFInfo
- Publication number
- CN108751314A CN108751314A CN201810810187.XA CN201810810187A CN108751314A CN 108751314 A CN108751314 A CN 108751314A CN 201810810187 A CN201810810187 A CN 201810810187A CN 108751314 A CN108751314 A CN 108751314A
- Authority
- CN
- China
- Prior art keywords
- stalk
- leachate
- garbage leachate
- air
- collecting
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides a kind of the air-lift device promoted is collected for garbage leachate, including a liter liquid portion, landfill gas collecting pipe and garbage leachate suspended particulate separation unit, rise the promotion that liquid portion realizes Leachate site by being passed through compressed gas in stalk, landfill gas collecting pipe is set in the collection that stalk outer wall realizes landfill gas, and garbage leachate suspended particulate separation unit at the top of stalk by being arranged pretreatment of the foam trap realization to Leachate site.The air-lift device can be promoted and transfer garbage leachate, and can collect landfill gas, while carry out a degree of pretreatment to garbage leachate to a certain extent, and practicability is very strong.
Description
Technical field
The present invention relates to a kind of collection devices of garbage leachate, more particularly to a kind of collected for garbage leachate to be promoted
Air-lift device.
Background technology
As people's living standard further increases, urban and rural domestic refuse yield is continuously increased, sanitary garbage landfill yard
Scale also expands synchronous with quantity.The Leachate site of one of adjoint secondary pollution therewith is that sanitary filling field is made by filling
After industry handles house refuse, drained by the waste layer leaching of refuse landfill collected containing dissolubility and outstanding
The sewage of buoyancy pollutant.If Leachate site does not collect discharge with caution, serious environment can be caused to influence.《House refuse health
Landfill disposal technical specification》(GB50869-2013),《House refuse Sanitary Landfill Technology specification》(CJJ17-2004) it provides, oozes
It should includes guide layer, french drain, liquid collecting well (pond), regulating reservoir, pump house, sewage treatment facility to drip liquid collection system and processing system
Deng.If waste landfill site leachate collection system is inefficient or fails, waste landfill site leachate water level can be caused excessively high,
Increase contaminants risk, influences the stability of junk-heap body, jeopardize landfill yard safe operation.
It is less that guide systematic research is collected to garbage leachate by China.Along with the garbage percolation of household refuse landfill sites
Liquid collects the development of guide system, can there is pump blocking, excessively high collection that can influence landfill gas of garbage leachate liquid level etc. one
A little problems.Seek to be suitble to the garbage leachate of present situation to collect guide system and promote the system for transferring garbage leachate, is to work as
Preceding urgent research topic has wide social and economic benefits.The domestic current lifting liquid transmitting system of refuse landfill is adopted
It is commonly encountered blockage problem when with submersible sewage pump, is spent human and material resources.The country utilizes air-lift device ratio in sewage, sludge treatment field
More, the promotion transfer device of garbage leachate uses seldom in refuse landfill.Air-lift device has compared to for elevator pump
Whether there is or not transmission parts, without Awaiting Parts, pipeline is simple and air-lift device is frequently utilized for promoting high concentration noxious material the characteristics of.
Liquid is promoted in view of elevator pump to occur promoting liquid blockage problem, and air-lift device can be used and replace common submersible sewage pump, reduce stifled
Operational and administrative expenses is saved in the appearance of plug problem.
Invention content
In order to solve the problems, such as that background technology, the present invention provide a kind of gas for collecting promotion for garbage leachate
Device is carried, which can be promoted and transfer garbage leachate, and can collect landfill gas, while to a certain degree
On a degree of pretreatment carried out to garbage leachate, it is practical very strong.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
A kind of to collect the air-lift device promoted, including liter liquid portion for garbage leachate, described liter of liquid portion includes stalk
And appendix, the bottom end opening of the stalk extend into junk-heap body and is immersed under garbage leachate liquid level, described defeated
The gas outlet of tracheae is located at the position close to lower end in the stalk, for inputting compressed gas into the stalk.
Preferably, described liter of liquid portion further includes leachate collecting pipe, is provided on the tube wall of the leachate collecting pipe
One end of through-hole or straight slot, the leachate collecting pipe is connect with the lower end of the stalk, and other end is inserted into junk-heap body
It is internal.
Preferably, the leachate collecting pipe, which is provided with, extends multiple, multiple leachate collecting pipes towards different directions
Horizontal extension and/or inclination extend.
Preferably, the appendix is located at the stalk either internally or externally, the appendix and the gas outlet
Opposite one end is connected with air compressor machine.
Preferably, further include landfill gas collecting pipe, the landfill gas collecting pipe is set in the radial direction of the stalk
Outside, the landfill gas collecting pipe, which is located in the pipe outer wall inside junk-heap body, is provided with through-hole or straight slot.
Preferably, lower end preset distance of the lower end of the landfill gas collecting pipe apart from the stalk.
Preferably, further include garbage leachate suspended particulate separation unit, the garbage leachate suspended particulate separation unit packet
Foam trap is included, the foam trap is arranged at the top of the stalk.
Preferably, the foam trap includes babinet, and the bottom of the babinet is provided with opening, the foam trap
It is set in the top of the stalk by described be open.
Preferably, the top of the stalk is provided with tapered portion, and the small end of the tapered portion is located at upside, the taper
Portion is arranged in the inside of the babinet；And/or
Preferably, it is provided with opening on the bottom wall of the babinet, is discharged for the foam in the babinet.
Preferably, it is arranged on the stalk side wall at the garbage leachate suspended particulate separation unit downside preset distance
There is Leachate site outlet.
The beneficial effects of the invention are as follows：
1) by a liter liquid portion make landfill leachate liquid level be maintained at certain altitude and it is following reduce the hydraulic pressure in antiseepage film,
Ensure MSW stability, meanwhile, garbage leachate is discharged in time using the air-lift device for promoting garbage leachate, rubbish is made to ooze
The collection of drip liquid promotes the collection guide for not influencing landfill gas.
2) setting garbage leachate suspended particulate detaches dress portion, is concentrated using bubble adsorbing contaminant, and final foam of removing is
It can remove the suspended material in liquid.After foam separator, the content of COD, BOD, nitrate in solution can decline, together
When can also control the pH value of solution to a certain extent.The solid in liquid is detached to a certain extent, also with stabilizing water quality
Effect.
3) it realizes the purpose that Leachate site is elevated simultaneously by a device, and has collected landfill gas, also stabilize and ooze
The effluent quality of filtrate, concentration of suspension, the organic concentration of water outlet are reduced, are provided convenience for subsequent processing, can
Reduce the quantity of subsequent processing facility.
Description of the drawings
The following further describes the present invention with reference to the drawings
Fig. 1 is the cross-sectional view of air-lift device embodiment 1 of the present invention；
Fig. 2 is the cross-sectional view of air-lift device embodiment 2 of the present invention.
Wherein, 1- junk-heap bodies；2- landfill gas collecting pipe 2；3- stalks；4- appendixs；5- leachate collecting pipes；6-
Collect gas vent；7- Leachate sites export；8- compressed gas entrances；9- water level indicator tubes；10- foam traps.
Specific implementation mode
The invention will be further described with specific implementation mode for explanation below in conjunction with the accompanying drawings：
Embodiment 1
As shown in Figure 1, a kind of air-lift device for garbage leachate, including stalk 3, stalk 3 are vertically provided at
Junk-heap body 1 is stretched out in junk-heap body 1 and the upper end, and the bottom that stalk 3 stretches into junk-heap body 1 is provided with bottom end opening,
Garbage leachate in junk-heap body 1 is since gravity is automatically in 1 congregate of junk-heap body so as to form garbage percolation
Liquid liquid level, the bottom end opening of stalk 3 will be less than the garbage leachate liquid level in junk-heap body 1.Preferably, the bottom of stalk 3
Portion is connected with multiple leachate collecting pipes 5 extended towards different directions, and leachate collecting pipe 5 is horizontally set at junk-heap body 1
Under garbage leachate liquid level, through-hole or straight slot, the rubbish in junk-heap body 1 are evenly distributed on the tube wall of leachate collecting pipe 5
Leachate site enters the bottom that stalk 3 is entered in leachate collecting pipe 5 and by leachate collecting pipe 5 by through-hole or straight slot
Portion.To improve collecting effect, expanding capture range, leachate collecting pipe 5 can be obliquely installed towards the bottom end of stalk 3.
Stretched into appendix 4 in the bottom end opening of stalk 3, the opening of appendix 4 be arranged in the inside of stalk 3 and
Opening direction is upward, and compressed gas has been passed through in appendix 4, which for example can be to be compressed to generate by air compressor
's.Compressed gas is entered from appendix 4 in stalk 3, and air-water mixture, gas are mixed into the Leachate site in stalk 3
The density of aqueous mixtures is less than the garbage leachate outside 3 tube wall of stalk, in order to reach balance, bubble rise movement with
And under the action of pressure, 3 internal liquid level of stalk is higher than external liquid level, to play the role of promoting liquid.In this implementation
In example, appendix 4 is extend into from outside in stalk 3, appendix 4 can also be arranged in the inside of stalk 3, such as Fig. 2 institutes
Show, stalk 3, which is located on the tube wall on 1 top of junk-heap body, is provided with compressed gas entrance 8, and appendix 4 is arranged in stalk 3
Internal and upper end is communicated with compressed gas entrance, and air compressor is connected on compressed gas entrance 8, and the setting of appendix 4 is existed
The inside of stalk 3, structure is simpler, and appendix 4 will not be interfered by the external world, and whole device operation is more stable.
Landfill gas collecting pipe 2 is arranged on the outer wall of stalk 3, the internal diameter of landfill gas collecting pipe 2 is more than stalk 3
Outer diameter, the bottom of landfill gas collecting pipe 2 is higher than the bottom end opening of stalk 3, and the top of landfill gas collecting pipe 2 is less than rising
The top of liquid pipe 3.Landfill gas collecting pipe 2 includes the lower part extending into junk-heap body 1 and stretches out the top of junk-heap body 1
Point, multiple through-holes or straight slot are evenly distributed in the pipe outer wall of 2 lower part of landfill gas collecting pipe, on landfill gas collecting pipe 2
Be provided in partial pipe outer wall and collect gas vent 6, the upper end opening and lower ending opening of landfill gas collecting pipe 2 with rise liquid
It is closed between the outer wall of pipe 3.The landfill gas generated in junk-heap body 1 enters landfill gas collecting pipe 2 from through-hole or straight slot
It is interior and along the inside pipe wall of landfill gas collecting pipe 2 rise, finally from collect gas vent 6 be discharged and be collected.
Stalk 3, which is located on the tube wall outside junk-heap body 1, is provided with Leachate site outlet 7, and the height of Leachate site outlet 7 is high
In the top of landfill gas collecting pipe 2, Leachate site outlet 7 is connected by pipeline with regulating reservoir, and the Leachate site elevated passes through
Leachate site outlet enters regulating reservoir, and Leachate site is further processed.
The liquid level of garbage leachate controls low in the bottom than landfill gas collecting pipe 2 always during collection, in this way
Garbage leachate will not perforate from gas and enter in landfill gas collecting pipe 2, to make collection gas more efficiently.Rubbish simultaneously
Rubbish Leachate site liquid level is too high also to influence seepage control system, cause head in antiseepage film that impervious barrier breakage is made very much to influence heap body stabilization greatly
Property, therefore the liquid surface height controlling of garbage leachate can be protected into antiseepage film in lower position.
The top of stalk 3 is provided with garbage leachate suspended particulate separation unit, which includes foam trap 10,
The foam trap 10 is a babinet, and babinet is open with bottom centre, and babinet is by bottom centre's opening sleeve in stalk 3
Top end opening on, the top of stalk is provided with tapered portion, and the small end of the tapered portion is located at upside, and tapered portion extend into case
Internal portion, compressed gas in uphill process, carry impurity and rise to liquid surface in stalk 3, and form foam entrance
It is additionally provided with foam outlet to the bottom of foam trap 10, foam trap 10, when the foam of foam trap 10 is more next
When more, extra foam is discharged by foam outlet.In the application, garbage leachate suspended particulate separator passes through bubble
The mode of foam absorption realizes separation of solid and liquid, is concentrated using bubble adsorbing contaminant, and final foam of removing can remove hanging in liquid
Float matter, simple in structure, removal efficiency is high.Dipperstick 9 is provided on the outer tube wall of stalk 3.
The course of work of the air-lift device is divided into three parts, first, Leachate site is promoted:Compressed gas by appendix 4 into
Enter into stalk 3, under the action of the ascending motion of bubble and pressure, garbage leachate rises along stalk 3, rises
Leachate site rise to after Leachate site outlet 7 regulating reservoir entered by pipeline, complete lifting process；Second is that garbage loading embeading
The collection of gas：The refuse landfill gas that junk-heap body 1 generates enters landfill gas collecting pipe 2 and by collecting gas vent
6 are collected；Third, the separation of suspended particulate：Compressed gas is entered by diffusion gas entrance 8 in stalk 3, compressed gas
It in stalk 3 in uphill process, carries impurity and rises to liquid surface, and form foam and enter foam trap 10,
It is concentrated with bubble adsorbing contaminant, final foam of removing can remove the suspended material in liquid
The air-lift device has not only achieved the purpose that Leachate site is elevated, but also have collected landfill gas by above-mentioned construction, also
The effluent quality of Leachate site is stabilized, concentration of suspension, the organic concentration of water outlet are reduced, provided for subsequent processing
It is convenient, the quantity of subsequent processing facility can be reduced.
Embodiment 2
In the embodiment, appendix 4 is arranged in the inside of stalk 3, as shown in Fig. 2, stalk 3 is located at junk-heap body
It is provided with compressed gas entrance 8 on the tube wall on 1 top, appendix 4, which is arranged, to be entered in the inside of stalk 3 and upper end with compressed gas
Mouth 8 communicates, and is connected with air compressor on compressed gas entrance 8, appendix 4 is arranged in the inside of stalk 3, structure is simpler
It is single, and appendix 4 will not be interfered by the external world, and whole device operation is more stable.
It will be recognized by those skilled in the art, can be to above-mentioned under the premise of without departing from protection scope of the present invention
Embodiment is carry out various modifications, changes and is combined, and thinks that this modification, variation and combination are the models in originality thought
Within enclosing.
Claims (10)
1. a kind of collecting the air-lift device promoted for garbage leachate, which is characterized in that including a liter liquid portion, described liter of liquid portion packet
Stalk and appendix are included, the bottom end opening of the stalk extend into junk-heap body and is immersed in garbage leachate liquid level
Under, the gas outlet of the appendix is located at the position in the stalk close to lower end, for inputting pressure into the stalk
Contracting gas.
2. a kind of air-lift device for collecting promotion for garbage leachate as described in claim 1, which is characterized in that the liter
Liquid portion further includes leachate collecting pipe, and through-hole or straight slot, the Leachate site are provided on the tube wall of the leachate collecting pipe
One end of collecting pipe is connect with the lower end of the stalk, and other end is inserted into inside junk-heap body.
3. a kind of air-lift device for collecting promotion for garbage leachate as claimed in claim 2, which is characterized in that described to ooze
Drip liquid collecting pipe, which is provided with, extends multiple, multiple leachate collecting pipe horizontal extensions and/or inclination extension towards different directions.
4. a kind of air-lift device for collecting promotion for garbage leachate as described in claim 1, which is characterized in that described defeated
Tracheae is located at the stalk either internally or externally, appendix one end opposite with the gas outlet and air compressor machine phase
Even.
5. a kind of air-lift device for collecting promotion for garbage leachate as described in claim 1, which is characterized in that further include
Landfill gas collecting pipe, the landfill gas collecting pipe are set in the radial outside of the stalk, and the landfill gas is collected
Pipe, which is located in the pipe outer wall inside junk-heap body, is provided with through-hole or straight slot.
6. a kind of air-lift device for collecting promotion for garbage leachate as claimed in claim 5, which is characterized in that described to fill out
Bury lower end preset distance of the lower end of gas-collecting pipe apart from the stalk.
7. a kind of air-lift device for collecting promotion for garbage leachate as described in claim 1, which is characterized in that further include
Garbage leachate suspended particulate separation unit, the garbage leachate suspended particulate separation unit includes foam trap, the foam
Collector is arranged at the top of the stalk.
8. a kind of air-lift device for collecting promotion for garbage leachate as claimed in claim 7, which is characterized in that the bubble
Foam collector includes babinet, and the bottom of the babinet is provided with opening, and the foam trap is set in institute by the opening
State the top of stalk.
9. a kind of air-lift device for collecting promotion for garbage leachate as claimed in claim 8, the top of the stalk
It is provided with tapered portion, the small end of the tapered portion is located at upside, and the tapered portion is arranged in the inside of the babinet；And/or
It is provided with opening on the bottom wall of the babinet, is discharged for the foam in the babinet.
10. a kind of air-lift device for collecting promotion for garbage leachate as described in claim 7-9 is any, feature exist
In on the stalk side wall at the garbage leachate suspended particulate separation unit downside preset distance being provided with Leachate site goes out
Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810187.XA CN108751314A (en) | 2018-07-23 | 2018-07-23 | It is a kind of to collect the air-lift device promoted for garbage leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810187.XA CN108751314A (en) | 2018-07-23 | 2018-07-23 | It is a kind of to collect the air-lift device promoted for garbage leachate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108751314A true CN108751314A (en) | 2018-11-06 |
Family
ID=63970833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810810187.XA Pending CN108751314A (en) | 2018-07-23 | 2018-07-23 | It is a kind of to collect the air-lift device promoted for garbage leachate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108751314A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523739A (en) * | 2019-09-12 | 2019-12-03 | 湖南垚恒环境科技有限公司 | A kind of household refuse landfill sites and control method |
| CN114411916A (en) * | 2022-01-24 | 2022-04-29 | 济南市市政工程设计研究院（集团）有限责任公司 | Leachate drainage system and method suitable for rigid landfill |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995568A (en) * | 2006-12-20 | 2007-07-11 | 中国矿业大学 | Biogas and leachate integrated pumping and drainage system for garbage landfill |
| DE102007002164A1 (en) * | 2007-01-15 | 2008-07-17 | Herbert Bauer GmbH & Co. Oberflächentechnik-Stahlbau-Rohrwerk KG | Sump pump for seepage liquid has compressed air line ending in upper part of collection cavity and venting valve in compressed air line to close venting line |
| KR20090030471A (en) * | 2007-09-20 | 2009-03-25 | 송효순 | Landfill gas collecting and leachate excluding system with leachate transferring equipment |
| CN201574478U (en) * | 2009-12-14 | 2010-09-08 | 山东十方环保能源股份有限公司 | Automatic drainage device for garbage percolate |
| CN204208880U (en) * | 2014-09-15 | 2015-03-18 | 天津宇海环保科技有限公司 | Adopt aeration and suction round-robin method landfill gas and percolate combination collection system |
| CN208648807U (en) * | 2018-07-23 | 2019-03-26 | 河北农业大学 | It is a kind of to collect the air-lift device promoted for garbage leachate |
-
2018
- 2018-07-23 CN CN201810810187.XA patent/CN108751314A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995568A (en) * | 2006-12-20 | 2007-07-11 | 中国矿业大学 | Biogas and leachate integrated pumping and drainage system for garbage landfill |
| DE102007002164A1 (en) * | 2007-01-15 | 2008-07-17 | Herbert Bauer GmbH & Co. Oberflächentechnik-Stahlbau-Rohrwerk KG | Sump pump for seepage liquid has compressed air line ending in upper part of collection cavity and venting valve in compressed air line to close venting line |
| KR20090030471A (en) * | 2007-09-20 | 2009-03-25 | 송효순 | Landfill gas collecting and leachate excluding system with leachate transferring equipment |
| CN201574478U (en) * | 2009-12-14 | 2010-09-08 | 山东十方环保能源股份有限公司 | Automatic drainage device for garbage percolate |
| CN204208880U (en) * | 2014-09-15 | 2015-03-18 | 天津宇海环保科技有限公司 | Adopt aeration and suction round-robin method landfill gas and percolate combination collection system |
| CN208648807U (en) * | 2018-07-23 | 2019-03-26 | 河北农业大学 | It is a kind of to collect the air-lift device promoted for garbage leachate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523739A (en) * | 2019-09-12 | 2019-12-03 | 湖南垚恒环境科技有限公司 | A kind of household refuse landfill sites and control method |
| CN110523739B (en) * | 2019-09-12 | 2023-10-20 | 湖南垚恒环境科技有限公司 | Household garbage landfill site and control method |
| CN114411916A (en) * | 2022-01-24 | 2022-04-29 | 济南市市政工程设计研究院（集团）有限责任公司 | Leachate drainage system and method suitable for rigid landfill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108751314A (en) | It is a kind of to collect the air-lift device promoted for garbage leachate | |
| CN208648807U (en) | It is a kind of to collect the air-lift device promoted for garbage leachate | |
| CN105417893A (en) | Multiphase circulation integrated sewage treatment equipment | |
| CN105056616B (en) | Rain water filtering device | |
| CN108412020A (en) | Automatic flow abandoning rainwater-collecting filter device | |
| CN210381842U (en) | Saline and alkaline land groundwater infiltration and salt and alkali discharging device | |
| CN207159018U (en) | A kind of integrated equipment for eutrophied water treatment | |
| CN212881422U (en) | Rainwater collecting and utilizing device | |
| CN210367318U (en) | Oil-separating sand-settling device for sewage of villages and towns | |
| CN208728290U (en) | A kind of garbage loading embeading area gas collector | |
| CN210529821U (en) | High-rise building roof sponge gardens rainwater collection circulation system | |
| CN209412022U (en) | One kind being used for rural households' formula sanitary sewage disposal micro tower type biofilter equipment | |
| JP3263777B2 (en) | Rainwater utilization equipment | |
| CN207877308U (en) | A kind of highly integrated air-floating apparatus | |
| CN206915965U (en) | High-efficiency tank | |
| CN206751581U (en) | A kind of oilfield sewage treatment device | |
| CN207294311U (en) | A kind of odor-proof depth plant effuent processes purifier | |
| CN207375824U (en) | A kind of integrated sewage treating apparatus maintained easily | |
| CN205575891U (en) | Oil field abandoned oil slurry treatment device | |
| CN206467098U (en) | A kind of biological reinforced processing unit of oil-polluted water | |
| CN205894515U (en) | Sewage collecting and treating device | |
| CN205586617U (en) | Oil -water separating device | |
| JPH1133575A (en) | Sewage treatment apparatus and method therefor | |
| CN218713845U (en) | Building water supply and drainage device | |
| CN203855430U (en) | Plate type cyclone air stripping tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |