CN110845064A - Waste transfer station sewage treatment method - Google Patents
Waste transfer station sewage treatment method Download PDFInfo
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- CN110845064A CN110845064A CN201910977082.8A CN201910977082A CN110845064A CN 110845064 A CN110845064 A CN 110845064A CN 201910977082 A CN201910977082 A CN 201910977082A CN 110845064 A CN110845064 A CN 110845064A
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- Prior art keywords
- garbage
- seepage
- rotary type
- treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/04—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using press rams
- B30B9/06—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using press rams co-operating with permeable casings or strainers
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
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- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a sewage treatment method for a garbage transfer station, which comprises at least arranging a plurality of garbage compression units, dehydrating the garbage received by the garbage transfer station, arranging a seepage collecting box at the bottom of each garbage compression unit, collecting the seepage of the garbage in the dehydration process, arranging an adjusting tank, the percolate in the sewage collecting tank is conveyed to an adjusting tank through a lifting pump, the percolate after acid-base neutralization adjustment is conveyed to a multi-stage filter assembly, solid impurities contained in the percolate are removed, and a primary rotary type percolate film treatment assembly, the primary clean water and the primary filtrate are obtained by treating the RO reverse osmosis membrane arranged in the primary rotary type seepage membrane treatment component, the primary clean water enters the secondary rotary type seepage membrane treatment component, and treating by an RO reverse osmosis membrane arranged in the secondary rotary type seepage membrane treatment component to obtain purified water and secondary filtrate.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment method for a garbage transfer station.
Background
The treatment of leachate in municipal refuse transfer stations has been a very difficult problem in the design, operation and management of transfer stations. Leachate is the product of the gravity flow of liquid at the transfer station, mainly originating from the intrinsic water content of the waste itself. The properties of the percolate vary over a considerable range, since many factors in the flow of the liquid may influence the properties of the percolate, including physical, chemical and biological factors. Generally, the pH value is between 4 and 9, the COD is in the range of 2000 to 62000mg/L, the BOD5 is from 60 to 45000mg/L, and the concentration of heavy metals is basically consistent with that of heavy metals in municipal sewage. The leachate of the municipal refuse transfer station is high-concentration organic wastewater with complex components, and if the leachate is directly discharged into the environment without treatment, serious environmental pollution is caused. For the purpose of protecting the environment, it is essential to treat the leachate.
And there is now essentially no relevant link.
Disclosure of Invention
In view of the above, the main object of the present invention is to provide a method for treating sewage in a garbage transfer station.
The technical scheme adopted by the invention is as follows:
a sewage treatment method for a garbage transfer station comprises
At least a plurality of garbage compression units are arranged to dehydrate the garbage received by the garbage transfer station,
the bottom of each garbage compression unit is provided with a seepage collecting box for collecting seepage of the garbage in the dehydration treatment process,
a regulating tank, which conveys the percolate in the sewage collecting tank to the regulating tank through a lifting pump, and performs acid-base neutralization regulation according to the pH value of the original percolate obtained by the regulating tank,
a multi-stage filter component, which conveys the percolate neutralized by acid and alkali to the multi-stage filter component to remove solid impurities contained in the percolate,
a first-stage rotary type seepage membrane treatment component, conveying the seepage filtered by the multistage filter to the rotary type seepage membrane treatment component, treating by an RO reverse osmosis membrane arranged in the first-stage rotary type seepage membrane treatment component to obtain primary clear water and primary filtrate,
the primary clean water enters the secondary rotary type seepage membrane treatment component, the RO reverse osmosis membrane arranged in the secondary rotary type seepage membrane treatment component is used for treatment to obtain purified water and secondary filtrate, the secondary filtrate returns to the primary rotary type seepage membrane treatment component for circulation treatment,
concentrating and evaporating the primary filtrate to obtain solid for outward transportation.
Furthermore, the garbage compression unit comprises a compressor rack, a compression oil cylinder fixing plate arranged at the top of the compressor rack, a compression oil cylinder arranged on the compression oil cylinder fixing plate, a pressing platform arranged at the lower part of the compression oil cylinder, a garbage containing box arranged at the bottom of the pressing platform, a liquid seepage collecting box arranged at the bottom of the garbage containing box, and a push-out assembly arranged at one side of the garbage containing box.
Further, the garbage can comprises a bottom plate, liquid discharge holes are uniformly formed in the bottom plate, fixing plates are arranged on the front edge and the rear edge of the bottom plate, movable plates with hinged tops and movable lower portions are arranged on the left side and the right side of each fixing plate, a fixed stop block capable of inclining upwards is arranged on the right side of the bottom plate, a movable baffle capable of inclining upwards is arranged on the left side of the bottom plate, a plurality of groups of springs are arranged at the bottom of each movable baffle, and the bottoms of the springs are fixed on the extending fixing section of the bottom plate.
Furthermore, the push-out assembly comprises a push-out support, the push-out support is connected with the bottom of the seepage collecting box through a hinge, the push-out support is provided with a push-out mechanism, the push-out mechanism comprises a push-out frame, a plurality of wheel sets are arranged at the bottom of the push-out frame, the wheel sets are arranged above the push-out support, a horizontal push-out air cylinder is arranged in the push-out frame, a push-out block is arranged on the left side of the horizontal push-out air cylinder, and one end of the push-out block and.
Furthermore, a limiting block is arranged on the compressor rack, a limiting drag chain is arranged on the limiting block, and the bottom of the limiting drag chain is fixed with the garbage containing box.
Furthermore, the structure of the first-stage rotary type seepage film treatment assembly is the same as that of the second-stage rotary type seepage film treatment assembly, and the first-stage rotary type seepage film treatment assembly and the second-stage rotary type seepage film treatment assembly both comprise a plurality of rotary type seepage film treatment mechanisms arranged side by side.
Further, rotation type infiltration liquid membrane processing agency is provided with the rotation motor including handling the jar body on the upper portion of handling the jar body, the lower part of rotating the motor is provided with the shaft coupling, with the pivot of coupling joint, the pivot sets up in the inside of handling the jar body, is provided with RO reverse osmosis membrane in the pivot, RO reverse osmosis membrane forms first region with handling jar body support, form the second region between RO reverse osmosis membrane and the pivot, first region is used for depositing of sepage, and the second region is used for depositing RO reverse osmosis membrane and handles the elementary clear water that obtains or is used for depositing RO reverse osmosis membrane and handles the purified water that obtains.
Furthermore, an upper cover is arranged above the treatment tank body, the rotating motor and the coupling are arranged above the upper cover, and a seepage inlet is also arranged on the upper cover;
and a lower cover is arranged below the treatment tank body, and is provided with a primary filtrate outlet or a secondary filtrate outlet and a primary clear water outlet or a purified water outlet.
The traditional transfer stations are all provided with filter pressing equipment, and seepage is directly discharged to a drainage pipeline to flow away after filter pressing. And the sewage treatment system of the garbage transfer station can reduce or increase the arrangement of the filter assembly, the primary rotary type seepage film treatment assembly and the secondary rotary type seepage film treatment assembly according to the scale of the transfer station, so that the resources are reasonably utilized.
Drawings
FIG. 1 is a schematic front view of a garbage compressing unit according to the present invention;
FIG. 2 is a schematic side view of the garbage compressing unit according to the present invention;
FIG. 3 is a schematic view of the garbage can according to the present invention;
FIG. 4 is a schematic structural view of a primary or secondary rotary permeate membrane treatment assembly of the present invention.
Detailed Description
The present invention will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions of the present invention are provided to explain the present invention without limiting the invention thereto.
Referring to fig. 1 to 4, the invention discloses a sewage treatment method for a garbage transfer station, which comprises the steps of
At least a plurality of garbage compression units are arranged to dehydrate the garbage received by the garbage transfer station,
the bottom of each garbage compression unit is provided with a seepage collecting box 8 for collecting seepage of the garbage in the dehydration treatment process,
a regulating tank, which conveys the percolate in the sewage collecting tank to the regulating tank through a lifting pump, and performs acid-base neutralization regulation according to the pH value of the original percolate obtained by the regulating tank,
a multi-stage filter component, which conveys the percolate neutralized by acid and alkali to the multi-stage filter component to remove solid impurities contained in the percolate,
a first-stage rotary type seepage membrane treatment component, conveying the seepage filtered by the multistage filter to the rotary type seepage membrane treatment component, treating by an RO reverse osmosis membrane arranged in the first-stage rotary type seepage membrane treatment component to obtain primary clear water and primary filtrate,
the primary clean water enters the secondary rotary type seepage membrane treatment component, the RO reverse osmosis membrane arranged in the secondary rotary type seepage membrane treatment component is used for treatment to obtain purified water and secondary filtrate, the secondary filtrate returns to the primary rotary type seepage membrane treatment component for circulation treatment,
concentrating and evaporating the primary filtrate to obtain solid for outward transportation.
The garbage compression unit comprises a compressor rack 4, a compression oil cylinder fixing plate arranged at the top of the compressor rack 4, a compression oil cylinder 1 arranged on the compression oil cylinder fixing plate, a pressing platform 6 arranged at the lower part of the compression oil cylinder 1, a garbage containing box 7 arranged at the bottom of the pressing platform 6, a limiting block 2 arranged on the compressor rack 4 and fixed with the compressor rack 4 through a limiting rod, a limiting drag chain 5 arranged on the limiting block 2, and the garbage containing box 7 fixed at the bottom of the limiting drag chain 5.
The garbage placing box 7 comprises a bottom plate 74, wherein the bottom plate 74 is uniformly provided with liquid discharge holes 73, fixing plates 70 are arranged along the front and rear edges of the bottom plate 74, and movable plates 71 with tops hinged with lower parts are arranged on the left and right sides of the fixing plates 70, wherein the right side of the bottom plate 74 is provided with an upwards inclined fixed stop 72, the left side of the bottom plate is provided with an upwards inclined movable baffle 75, the bottom of the movable baffle is provided with a plurality of groups of springs 76, and the bottoms of the springs are fixed on an extending fixed section of the bottom plate.
The bottom of the garbage placing box 7 is provided with a liquid seepage collecting box 8, and one side of the garbage placing box 7 is provided with a push-out assembly. The push-out assembly comprises a push-out support 9, the push-out support 9 is connected with the bottom of the liquid seepage collecting box 7 through a hinge, the push-out support 9 is provided with a push-out mechanism, the push-out mechanism comprises a push-out frame 11, a plurality of wheel sets 10 are arranged at the bottom of the push-out frame 11, the wheel sets 10 are arranged above the push-out support, a horizontal push-out cylinder 12 is arranged in the push-out frame, a push-out block is arranged on the left side of the horizontal push-out cylinder 12, and one end of the push-out block. During pushing, the horizontal pushing cylinder 12 pushes the pushing block to move leftward, so as to push the right movable plate 71 leftward, the movable plate 71 is pushed leftward and forward by the upper hinge portion, and the garbage pushes the left movable plate 71 leftward, so that when pushing continues, the spring is forced to be pressed downward by the pushing force, and the movable baffle 75 is pressed downward until the garbage is pushed out.
The structure of one-level rotation type infiltration liquid membrane treatment component is the same with second grade rotation type infiltration liquid membrane treatment component, all includes by a plurality of rotation type infiltration liquid membrane treatment mechanism that set up side by side.
Rotation type infiltration liquid membrane processing agency is provided with rotation motor 80 including handling the jar body on the upper portion of handling the jar body, the lower part of rotating motor 80 is provided with the shaft coupling, with coupling joint's pivot 86, pivot 86 sets up in the inside of handling the jar body, is provided with RO reverse osmosis membrane 84 in the pivot, and RO reverse osmosis membrane 84 is fixed with the pivot with cradling piece 82, RO reverse osmosis membrane forms first region 82 with handling jar body support, form the regional 84 of second between RO reverse osmosis membrane and the pivot, first region is used for depositing of sepage, and the second region is used for depositing the RO reverse osmosis membrane and handles the elementary clear water that obtains or is used for depositing RO reverse osmosis membrane and handles the purified water that obtains.
An upper cover is arranged above the treatment tank body, the rotating motor and the coupling are arranged above the upper cover, and a seepage inlet 81 is also arranged on the upper cover;
a lower cover is arranged below the treatment tank body, and the lower cover is provided with a primary filtrate outlet or a secondary filtrate outlet 87 and a primary clean water outlet or a purified water outlet 88.
The principle of the invention is as follows: after the garbage is sorted at the transfer station, different garbage placing boxes are placed according to the types of the garbage, the garbage placing boxes are provided with openings at the upper parts, the garbage is placed through the openings at the upper parts by a forklift, because the right side of the bottom plate is provided with an upwards inclined fixed stop block, the left side of the bottom plate is provided with an upwards inclined movable baffle, the bottom of the movable baffle is provided with a plurality of groups of springs, and the bottom of each spring is fixed on an extending fixed section of the bottom plate, the design ensures that when the garbage is placed or is subjected to filter pressing, the given pressure cannot enable movable plates at the two sides to be outwards unfolded, the compressed garbage solids are pushed out by the pushing-out assembly, the percolate flows into the percolate collecting box, the percolate in the sewage collecting box is conveyed to the adjusting tank by the lifting pump, acid-base neutralization adjustment is carried out according to the PH value of the original percolate obtained by the adjusting tank, generally, during the adjustment, the pH value of the leachate is adjusted to 6.5-7.5. Conveying the percolate neutralized and adjusted by acid and alkali to a multistage filter assembly, removing solid impurities contained in the percolate, particularly sludge and floating foam doped in the percolate, conveying the percolate filtered by the multistage filter to a primary rotary percolate membrane treatment assembly, treating the percolate by an RO reverse osmosis membrane built in the rotary percolate membrane treatment assembly to obtain primary clear water and primary filtrate, allowing the primary clear water to enter a secondary rotary percolate membrane treatment assembly, treating the permeate by the RO reverse osmosis membrane built in the secondary rotary percolate membrane treatment assembly to obtain purified water and secondary filtrate, returning the secondary filtrate to the primary rotary percolate membrane treatment assembly for circular treatment, concentrating and evaporating the primary filtrate, and transporting the obtained solid outwards.
In the above, the first-stage rotary type permeate film treating assembly and the second-stage rotary type permeate film treating assembly can be increased or decreased according to actual conditions.
The technical solutions disclosed in the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained in the present document by using specific embodiments, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (8)
1. A sewage treatment method for a garbage transfer station is characterized by comprising the following steps
At least a plurality of garbage compression units are arranged to dehydrate the garbage received by the garbage transfer station,
the bottom of each garbage compression unit is provided with a seepage collecting box for collecting seepage of the garbage in the dehydration treatment process,
a regulating tank, which conveys the percolate in the sewage collecting tank to the regulating tank through a lifting pump, and performs acid-base neutralization regulation according to the pH value of the original percolate obtained by the regulating tank,
a multi-stage filter component, which conveys the percolate neutralized by acid and alkali to the multi-stage filter component to remove solid impurities contained in the percolate,
a first-stage rotary type seepage membrane treatment component, conveying the seepage filtered by the multistage filter to the rotary type seepage membrane treatment component, treating by an RO reverse osmosis membrane arranged in the first-stage rotary type seepage membrane treatment component to obtain primary clear water and primary filtrate,
the primary clean water enters the secondary rotary type seepage membrane treatment component, the RO reverse osmosis membrane arranged in the secondary rotary type seepage membrane treatment component is used for treatment to obtain purified water and secondary filtrate, the secondary filtrate returns to the primary rotary type seepage membrane treatment component for circulation treatment,
concentrating and evaporating the primary filtrate to obtain solid for outward transportation.
2. The waste transfer station sewage treatment method according to claim 1, wherein the waste compression unit comprises a compressor frame, a compression cylinder fixing plate arranged at the top of the compressor frame, a compression cylinder arranged on the compression cylinder fixing plate, and a pressing table arranged at the lower part of the compression cylinder, wherein a waste storage box is arranged at the bottom of the pressing table, a seepage collection box is arranged at the bottom of the waste storage box, and a push-out assembly is arranged at one side of the waste storage box.
3. The method as claimed in claim 2, wherein the garbage can comprises a bottom plate, the bottom plate is uniformly provided with drain holes, the front and rear edges of the bottom plate are provided with fixed plates, the left and right sides of the fixed plates are provided with movable plates, the tops of the movable plates are hinged with the lower parts of the movable plates, the right side of the bottom plate is provided with a fixed stop which is inclined upwards, the left side of the bottom plate is provided with a movable baffle which is inclined upwards, the bottom of the movable baffle is provided with a plurality of groups of springs, and the bottoms of the springs are fixed on the extending fixed section of the bottom plate.
4. The method for treating sewage of a garbage transfer station according to claim 2, wherein the pushing assembly comprises a pushing bracket hinged to the bottom of the leachate collecting box, the pushing bracket is provided with a pushing mechanism, the pushing mechanism comprises a pushing frame, the bottom of the pushing frame is provided with a plurality of wheel sets, the wheel sets are arranged above the pushing bracket, a horizontal pushing cylinder is arranged in the pushing frame, a pushing block is arranged on the left side of the horizontal pushing cylinder, and one end of the pushing block is arranged corresponding to the horizontal position of the movable plate.
5. The waste transfer station sewage treatment method according to claim 2, wherein a limiting block is arranged on the compressor rack, a limiting drag chain is arranged on the limiting block, and the bottom of the limiting drag chain is fixed with the waste storage box.
6. The method for treating sewage of a refuse transfer station according to claim 1, wherein the first rotary type permeate film treating assembly and the second rotary type permeate film treating assembly have the same structure and comprise a plurality of rotary type permeate film treating mechanisms arranged side by side.
7. The waste transfer station sewage treatment method according to claim 6, wherein the rotary type seepage membrane treatment mechanism comprises a treatment tank body, a rotary motor is arranged at the upper part of the treatment tank body, a coupler and a rotary shaft connected with the coupler are arranged at the lower part of the rotary motor, the rotary shaft is arranged inside the treatment tank body, an RO reverse osmosis membrane is arranged on the rotary shaft, the RO reverse osmosis membrane and a support of the treatment tank body form a first area, a second area is formed between the RO reverse osmosis membrane and the rotary shaft, the first area is used for storing seepage, and the second area is used for storing primary clear water obtained by treating the RO reverse osmosis membrane or storing purified water obtained by treating the RO reverse osmosis membrane.
8. The waste transfer station sewage treatment method of claim 7, wherein an upper cover is arranged above the treatment tank body, the rotating motor and the coupling are arranged above the upper cover, and the upper cover is further provided with a seepage inlet;
and a lower cover is arranged below the treatment tank body, and is provided with a primary filtrate outlet or a secondary filtrate outlet and a primary clear water outlet or a purified water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910977082.8A CN110845064A (en) | 2019-10-15 | 2019-10-15 | Waste transfer station sewage treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910977082.8A CN110845064A (en) | 2019-10-15 | 2019-10-15 | Waste transfer station sewage treatment method |
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| CN110845064A true CN110845064A (en) | 2020-02-28 |
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| CN201910977082.8A Pending CN110845064A (en) | 2019-10-15 | 2019-10-15 | Waste transfer station sewage treatment method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040238436A1 (en) * | 2001-09-03 | 2004-12-02 | Christian Widmer | Press for dewatering a humid substance, in particular residual refuse |
| CN200957968Y (en) * | 2006-04-30 | 2007-10-10 | 四川新路环卫设备制造有限公司 | Sanitary fill |
| CN102167452A (en) * | 2010-02-26 | 2011-08-31 | 北京纬纶华业环保科技股份有限公司 | Method and system for treating landfill leachate |
| CN103600950A (en) * | 2013-11-20 | 2014-02-26 | 中汽商用汽车有限公司(杭州) | Compression system of garbage transfer station |
| CN206033429U (en) * | 2016-08-30 | 2017-03-22 | 河北派润实业有限公司 | Concentrated processing system of membrane of mud filtrating |
| CN207876561U (en) * | 2017-12-18 | 2018-09-18 | 李静 | A kind of refuse compressor of refuse transfer station |
-
2019
- 2019-10-15 CN CN201910977082.8A patent/CN110845064A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040238436A1 (en) * | 2001-09-03 | 2004-12-02 | Christian Widmer | Press for dewatering a humid substance, in particular residual refuse |
| CN200957968Y (en) * | 2006-04-30 | 2007-10-10 | 四川新路环卫设备制造有限公司 | Sanitary fill |
| CN102167452A (en) * | 2010-02-26 | 2011-08-31 | 北京纬纶华业环保科技股份有限公司 | Method and system for treating landfill leachate |
| CN103600950A (en) * | 2013-11-20 | 2014-02-26 | 中汽商用汽车有限公司(杭州) | Compression system of garbage transfer station |
| CN206033429U (en) * | 2016-08-30 | 2017-03-22 | 河北派润实业有限公司 | Concentrated processing system of membrane of mud filtrating |
| CN207876561U (en) * | 2017-12-18 | 2018-09-18 | 李静 | A kind of refuse compressor of refuse transfer station |
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Application publication date: 20200228 |
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