CN114988633A - Small-volume leachate sewage treatment method and system for small-size household garbage transfer station - Google Patents
Small-volume leachate sewage treatment method and system for small-size household garbage transfer station Download PDFInfo
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- CN114988633A CN114988633A CN202210388586.8A CN202210388586A CN114988633A CN 114988633 A CN114988633 A CN 114988633A CN 202210388586 A CN202210388586 A CN 202210388586A CN 114988633 A CN114988633 A CN 114988633A
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- 239000010865 sewage Substances 0.000 title claims abstract description 49
- 238000011282 treatment Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 159
- 230000007704 transition Effects 0.000 claims abstract description 44
- 239000004576 sand Substances 0.000 claims abstract description 26
- 229910001220 stainless steel Inorganic materials 0.000 claims description 17
- 239000010935 stainless steel Substances 0.000 claims description 17
- 239000010791 domestic waste Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 claims description 4
- 231100000719 pollutant Toxicity 0.000 claims description 4
- 230000003203 everyday effect Effects 0.000 claims description 3
- 230000000813 microbial effect Effects 0.000 claims description 3
- 238000011369 optimal treatment Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 5
- 238000002203 pretreatment Methods 0.000 abstract description 2
- 239000000149 chemical water pollutant Substances 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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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
-
- 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
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- 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)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Treatment Of Biological Wastes In General (AREA)
Abstract
The invention discloses a small-volume leachate sewage treatment system for a small-size domestic garbage transfer station, which comprises a submersible pump, a first transition water tank, a water inlet water tank, a sand filter, a second transition water tank, a biological filter bed and a water return tank which are sequentially connected by pipelines; the submersible pump is placed in the leachate sewage pool, and the water return tank is connected with a direct discharge pipe; a main centrifugal pump is arranged between the first transition water tank and the water inlet water tank; the biological filter is characterized in that a large centrifugal pump is arranged between the water inlet tank and the sand filter, a first automatic pump is arranged between the sand filter and a second transition tank, and a second automatic pump is arranged between the biological filter bed and the water return tank. The invention provides an effective pretreatment method and an effective pretreatment system for small-volume percolate sewage of a small-size domestic garbage transfer station, and a complete treatment system is matched, so that the method and the system have the advantages of simple process flow, small facility occupied area and the like.
Description
Technical Field
The invention relates to the field of small-water-volume leachate treatment of small-size domestic garbage transfer stations, in particular to a small-water-volume leachate sewage treatment method and system for small-size domestic garbage transfer stations.
Background
The small-sized domestic waste transfer station is used for temporarily storing the municipal domestic waste, and as an intermediate key link between the source of the municipal domestic waste and the final treatment, the domestic waste transfer station can ensure the efficient transportation of the municipal domestic waste by storing and compressing the waste at high density, thereby reducing the cost of waste transportation and final disposal. With the improvement of the living standard of residents in China, the yield of domestic garbage is continuously increased, and the garbage leachate generated by a small domestic garbage transfer station needs to be treated urgently. Various toxic and harmful pollutants exist in the landfill leachate, and when the untreated or improperly treated landfill leachate enters a receiving water body, an ecological system and human health pose a significant threat.
Biological treatment methods in leachate treatment technology are widely used in practice worldwide. Research shows that the biological filter bed can reduce the Chemical Oxygen Demand (COD) and the Total Nitrogen (TN) by about 90 percent and 60 percent respectively in the process of treating mature landfill leachate. Therefore, the method can provide effective pretreatment for mature landfill leachate and prepare for subsequent advanced treatment. In order to achieve stricter environmental regulation standards, the method adopts a process system containing a biological filter bed to pretreat the small-volume percolate sewage, and adopts a conventional water quality index to evaluate the treatment effect after each treatment facility. The method has the advantages of easy management, small occupied area, low treatment and operation cost and the like, and is beneficial to further removing complex toxic components in the subsequent leachate.
Disclosure of Invention
The invention aims to provide a method and a system for treating low-water-volume leachate sewage of a small-sized domestic garbage transfer station, which have the advantages of simple process flow, small facility floor area and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
a small-volume leachate sewage treatment system of a small-sized domestic garbage transfer station comprises a submersible pump, a first transition water tank, a water inlet water tank, a sand filter, a second transition water tank, a biological filter bed and a water return tank which are sequentially connected by pipelines; the submersible pump is placed in the leachate sewage pool, and the water return tank is connected with a direct discharge pipe; a main centrifugal pump is arranged between the first transition water tank and the water inlet water tank; the biological filter is characterized in that a large centrifugal pump is arranged between the water inlet tank and the sand filter, an automatic pump I is arranged between the sand filter and the transition water tank II, and an automatic pump II is arranged between the biological filter bed and the water return tank.
Preferably, the water return tank is connected with the water inlet tank through a return circulation system.
Preferably, the backflow circulating system comprises a third automatic pump, and the water return tank is connected with the water inlet tank through a pipeline with the third automatic pump.
Preferably, a cylindrical water distributor is arranged in the biological filter bed, the water distributor comprises a plurality of water distribution pipelines, a plurality of water distribution holes are uniformly arranged on the water distribution pipelines, and the water distribution pipelines are arranged on the water distributor along the horizontal direction and are used for uniformly dispersing leachate sewage into the biological filter bed.
Preferably, the biological filter bed is connected with an air compressor for ensuring an aerobic environment in the biological filter bed.
Preferably, intelligent water level monitors are arranged in the percolate sewage tank, the first transition water tank, the water inlet water tank, the sand filter, the second transition water tank and the water return tank; the intelligent water level monitors in the percolate sewage pool and the transition water tank I are in control connection with the semi-automatic electric control box I; and the intelligent water level monitors in the water inlet water tank, the sand filter, the second transition water tank and the water return tank are in control connection with the second semi-automatic electric control box.
Preferably, the first semi-automatic electric cabinet is electrically connected with the submersible pump and the main centrifugal pump; the semi-automatic electric cabinet II is electrically connected with the large centrifugal pump, the automatic pump I, the automatic pump II and the automatic pump III, and the semi-automatic electric cabinet I and the semi-automatic electric cabinet II are used for setting the working power of the pumps.
Preferably, the immersible pump overcoat is equipped with the stainless steel box with a net, filters the great impurity of particle size in the sewage through the net on the stainless steel box with a net preliminary filtration.
The invention also provides a small-volume leachate sewage treatment method for the small-size domestic garbage transfer station, which comprises the following steps:
s1: placing the stainless steel net cage in a leachate sewage pool, and primarily filtering out impurities with larger particle sizes in the sewage through grids of the stainless steel net cage;
s2: the submerged pump in the stainless steel net cage pumps percolate from the sewage pool into the first transition water tank, the first transition water tank is used for storing the percolate, and the stability of water delivered to the system every day can be guaranteed, so that the optimal treatment effect of the percolate is guaranteed;
s3: the percolate in the first transition water tank enters the water inlet water tank through a pipeline after being pressurized by the main centrifugal pump, and is pumped into the sand filter tank through the large centrifugal pump, and the sand filter tank can intercept and remove fine suspended substances in the percolate and has a certain removing effect on turbidity; then the filtered percolate is sent to a next-stage reaction unit through a first automatic pump;
s4: the filtered percolate is sent to a cylindrical water distributor in the biological filter bed through a second transition water tank, a plurality of water distribution holes are arranged on a water distribution pipeline and are arranged along the horizontal direction, the percolate sewage is uniformly dispersed into the biological filter bed, and an air compressor is connected with the biological filter bed through a pipeline so as to ensure the aerobic environment of the reactor. The biological filter bed is used for treating microbial colonies existing in the mineralized refuse to adsorb and degrade pollutant substances in the percolate;
s5: and (3) conveying the percolate treated by the biological filter bed into a water return tank by an automatic pump II, finally directly discharging the percolate reaching the standard after treatment, returning a part of the percolate not reaching the standard to a water inlet tank by an automatic pump III, and repeating the steps from S3 to S4.
The invention provides an effective pretreatment method and an effective pretreatment system for small-volume leachate sewage of a small-size domestic garbage transfer station, and a complete treatment system is matched, so that the method and the system have the advantages of simple process flow, small facility floor area and the like.
Drawings
FIG. 1 is a schematic structural diagram of a small-volume leachate sewage treatment method and system for a small-size domestic garbage transfer station according to the present invention.
The numbers in the figure are as follows:
1. stainless steel net cages; 2. a first transition water tank; 3. a water inlet tank; 4. a sand filter; 5. a second transition water tank; 6. a biological filter bed; 7. returning to a water tank; 8. a submersible pump; 9. a main centrifugal pump, 10, a big centrifugal pump; 11. a first automatic pump; 12. a second automatic pump; 13. an automatic pump III; 14. an air compressor; 15. a first semi-automatic electric cabinet; 16. and a semi-automatic electric cabinet II.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in figure 1, the small-volume percolate sewage treatment system for the small-size domestic garbage transfer station comprises a stainless steel net cage 1, a first transition water tank 2, a first water inlet tank 3, a sand filter 4, a second transition water tank 5, a biological filter bed 6, a water return tank 7, a submersible pump 8, a main centrifugal pump 9, a large centrifugal pump 10, a first automatic pump 11, a second automatic pump 12, an automatic pump 313, an air compressor 14 and a first semi-automatic electric cabinet 15 and a second semi-automatic electric cabinet 16.
The submersible pump 8, the transition water tank I2, the water inlet water tank 3, the sand filter tank 4, the transition water tank II 5, the biological filter bed 6 and the water return tank 7 are sequentially connected through pipelines. The immersible pump 8 overcoat is equipped with stainless steel net cage 1 and places in the filtration liquid effluent water sump, and immersible pump 8 can tentatively filter the great impurity of particle size in the sewage through the net on the stainless steel net cage 1 in the course of the work in the effluent water sump. The return water tank 7 is connected with a straight line for discharging.
A main centrifugal pump 9 is arranged between the first transition water tank 2 and the water inlet water tank 3; a large centrifugal pump 10 is arranged between the water inlet tank 3 and the sand filter tank 4, a first automatic pump 11 is arranged between the sand filter tank 4 and the second transition water tank 5, and a second automatic pump 12 is arranged between the biological filter bed 6 and the water return tank 7. The return water tank 7 is connected with the water inlet tank 3 through a pipeline with a third automatic pump 13.
Further, a cylindrical water distributor is arranged in the biological filter bed 6, the water distributor comprises a plurality of water distribution pipelines, a plurality of water distribution holes are uniformly formed in the water distribution pipelines, and the water distribution pipelines are arranged on the water distributor along the horizontal direction and used for uniformly dispersing leachate sewage into the biological filter bed 6. The biological filter bed 6 is connected to an air compressor 14 for ensuring an aerobic environment within the biological filter bed 6.
Furthermore, intelligent water level monitors are arranged in the percolate sewage pool, the transition water tank I2, the water inlet water tank 3, the sand filter tank 4, the transition water tank II 5 and the water return tank 7 and are used for monitoring water levels; the intelligent water level monitors in the percolate sewage pool and the transition water tank I2 are in control connection with the semi-automatic electric control box I15; and intelligent water level monitors in the water inlet tank 3, the sand filter tank 4, the transition water tank II 5 and the water return tank 7 are in control connection with a semi-automatic electric control box II 16. The semi-automatic electric cabinet I15 is electrically connected with the submersible pump 8 and the main centrifugal pump 9; the semi-automatic electric cabinet II 16 is electrically connected with the large centrifugal pump 10, the automatic pump I11, the automatic pump II 12 and the automatic pump III 13, and the semi-automatic electric cabinet I15 and the semi-automatic electric cabinet II 16 are used for setting the working power of the pump.
The invention also provides a small-volume leachate sewage treatment method for the small-size domestic garbage transfer station, which comprises the following steps of:
s1: placing the stainless steel net cage 1 in a leachate sewage tank, and primarily filtering out impurities with larger particle sizes in the sewage through the grids of the stainless steel net cage 1;
s2: the submerged pump 8 in the stainless steel net cage 1 pumps the percolate from the sewage pool into the first transition water tank 2, and the first transition water tank 2 is used for storing the percolate, so that the stable water amount delivered to the system every day can be ensured, and the optimal treatment effect of the percolate can be ensured;
s3: the percolate in the first transition water tank 2 is pressurized by a main centrifugal pump 9 and then enters a water inlet water tank 3 through a pipeline, and then is pumped into a sand filter 4 through a large centrifugal pump 10, and the sand filter 4 can intercept and remove fine suspended substances in the percolate and has a certain removing effect on turbidity; then the filtered percolate is sent to a next-stage reaction unit through an automatic pump I11;
s4: the filtered percolate is sent to a cylindrical water distributor in the biological filter bed 6 through a second transition water tank 5, a plurality of water distribution holes are arranged on a water distribution pipeline and are arranged along the horizontal direction, the percolate sewage is uniformly dispersed into the biological filter bed 6, and an air compressor 14 is connected with the biological filter bed 6 through a pipeline so as to ensure the aerobic environment of the reactor. The biological filter bed 6 is used for treating microbial colonies existing in the mineralized refuse to adsorb and degrade pollutant substances in the percolate;
s5: and (3) conveying the percolate treated by the biological filter bed 6 into a water return tank 7 by an automatic pump II 12, finally directly discharging the percolate reaching the standard after treatment, returning a part of the percolate not reaching the standard to the water inlet tank 3 by an automatic pump III 13, and repeating the steps from S3 to S5.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A small-volume leachate sewage treatment system of a small-sized domestic garbage transfer station is characterized by comprising a submersible pump (8), a first transition water tank (2), a water inlet water tank (3), a sand filter (4), a second transition water tank (5), a biological filter bed (6) and a water return tank (7) which are sequentially connected through pipelines; the submersible pump (8) is placed in the leachate sewage pool, and the water return tank (7) is connected with a straight line; a main centrifugal pump (9) is arranged between the first transition water tank (2) and the water inlet water tank (3); a large centrifugal pump (10) is arranged between the water inlet tank (3) and the sand filter tank (4), a first automatic pump (11) is arranged between the sand filter tank (4) and the second transition water tank (5), and a second automatic pump (12) is arranged between the biological filter bed (6) and the water return tank (7).
2. The small-scale domestic waste transfer station small amount of leachate sewage treatment system of claim 1, wherein the return tank (7) is connected to the inlet tank (3) through a return circulation system.
3. The small-volume leachate sewage treatment system of the small-size domestic waste transfer station according to claim 2, wherein the recirculation system comprises a third automatic pump (13), and the return tank (7) is connected to the inlet water tank (3) through a pipeline with the third automatic pump (13).
4. The small-volume leachate sewage treatment system of the small-size domestic waste transfer station as claimed in claim 1, wherein the biological filter bed (6) is provided with a cylindrical water distributor, the water distributor comprises a plurality of water distribution pipes, the water distribution pipes are provided with a plurality of water distribution holes, and the water distribution pipes are arranged on the water distributor along a horizontal direction for distributing leachate sewage into the biological filter bed (6) uniformly.
5. The small-scale domestic waste transfer station low-volume percolate sewage treatment system according to claim 4, wherein the biological filter bed (6) is connected with an air compressor (14) for ensuring an aerobic environment inside the biological filter bed (6).
6. The small-volume percolate sewage treatment system for the small-size domestic garbage transfer station as claimed in claim 1, wherein intelligent water level monitors are arranged in the percolate sewage pool, the first transition water tank (2), the inlet water tank (3), the sand filter (4), the second transition water tank (5) and the return water tank (7); the intelligent water level monitors in the percolate sewage pool and the transition water tank I (2) are in control connection with the semi-automatic electric control box I (15); and intelligent water level monitors in the water inlet tank (3), the sand filter (4), the transition tank II (5) and the water return tank (7) are in control connection with the semi-automatic electric cabinet II (16).
7. The small-volume percolate sewage treatment system for the small-size domestic garbage transfer station as claimed in claim 6, wherein the semi-automatic first electric cabinet (15) is electrically connected with a submersible pump (8) and a main centrifugal pump (9); the semi-automatic electric cabinet II (16) is electrically connected with the large centrifugal pump (10), the automatic pump I (11), the automatic pump II (12) and the automatic pump III (13), and the semi-automatic electric cabinet I (15) and the semi-automatic electric cabinet II (16) are used for setting the working power of the pump.
8. The small-sized domestic waste transfer station small-flow leachate sewage treatment system according to claim 1, wherein stainless steel mesh box (1) is sleeved outside the submersible pump (8), and impurities with large particle size in sewage are preliminarily filtered out through meshes on the stainless steel mesh box (1).
9. The small-volume leachate sewage treatment method for the small-sized domestic garbage transfer station according to claim 1, comprising the following steps:
s1: placing the stainless steel net cage (1) in a percolate sewage pool, and primarily filtering out impurities with larger particle sizes in sewage through grids of the stainless steel net cage (1);
s2: a submersible pump (8) in the stainless steel net cage (1) pumps the percolate from the sewage pool into a first transition water tank (2), and the first transition water tank (2) is used for storing the percolate, so that the stability of water delivered to the system every day can be ensured, and the optimal treatment effect of the percolate can be ensured;
s3: percolate in the first transition water tank (2) is pressurized by a main centrifugal pump (9) and then enters a water inlet water tank (3) through a pipeline, and then is pumped into a sand filter (4) through a large centrifugal pump (10), and the sand filter (4) can cut off and remove fine suspended substances in the percolate and has a certain removing effect on turbidity; then the filtered percolate is sent to a next-stage reaction unit through an automatic pump I (11);
s4: the filtered percolate is sent to a cylindrical water distributor in a biological filter bed (6) through a second transition water tank (5), a plurality of water distribution holes are arranged on a water distribution pipeline and are arranged along the horizontal direction, percolate sewage is uniformly dispersed into the biological filter bed (6), and an air compressor 14 is connected with the biological filter bed (6) through a pipeline so as to ensure the aerobic environment of the reactor. The biological filter bed (6) is used for treating microbial colonies existing in the mineralized refuse to adsorb and degrade pollutant substances in the percolate;
s5: and (3) conveying the percolate treated by the biological filter bed (6) into a water return tank (7) by an automatic pump II (12), finally directly discharging the percolate reaching the standard, returning a part of the percolate not reaching the standard to the water inlet tank (3) by an automatic pump III (13), and repeating the steps from S3 to S5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210388586.8A CN114988633A (en) | 2022-04-14 | 2022-04-14 | Small-volume leachate sewage treatment method and system for small-size household garbage transfer station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210388586.8A CN114988633A (en) | 2022-04-14 | 2022-04-14 | Small-volume leachate sewage treatment method and system for small-size household garbage transfer station |
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| CN202210388586.8A Pending CN114988633A (en) | 2022-04-14 | 2022-04-14 | Small-volume leachate sewage treatment method and system for small-size household garbage transfer station |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759279A (en) * | 2009-11-17 | 2010-06-30 | 上海碧兰环保技术开发有限公司 | Biological filtration device |
| CN204897680U (en) * | 2015-07-08 | 2015-12-23 | 厦门烟草工业有限责任公司 | Impurity filter equipment of sludge pump in sludge digestion pond |
| CN111439890A (en) * | 2020-04-07 | 2020-07-24 | 广东君道环保科技有限公司 | Modularized garbage leachate treatment equipment |
| CN112158943A (en) * | 2020-09-11 | 2021-01-01 | 同济大学 | Biological drip device based on living source dry garbage filler and application thereof |
| CN112573757A (en) * | 2020-10-31 | 2021-03-30 | 上海城投环境(集团)有限公司上善分公司 | Fresh leachate treatment combined system and process suitable for household garbage transfer station |
-
2022
- 2022-04-14 CN CN202210388586.8A patent/CN114988633A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759279A (en) * | 2009-11-17 | 2010-06-30 | 上海碧兰环保技术开发有限公司 | Biological filtration device |
| CN204897680U (en) * | 2015-07-08 | 2015-12-23 | 厦门烟草工业有限责任公司 | Impurity filter equipment of sludge pump in sludge digestion pond |
| CN111439890A (en) * | 2020-04-07 | 2020-07-24 | 广东君道环保科技有限公司 | Modularized garbage leachate treatment equipment |
| CN112158943A (en) * | 2020-09-11 | 2021-01-01 | 同济大学 | Biological drip device based on living source dry garbage filler and application thereof |
| CN112573757A (en) * | 2020-10-31 | 2021-03-30 | 上海城投环境(集团)有限公司上善分公司 | Fresh leachate treatment combined system and process suitable for household garbage transfer station |
Non-Patent Citations (1)
| Title |
|---|
| 吴浩汀编著: "《制革工业废水处理技术及工程实例》", 化学工业出版社 * |
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