CN109052752B - A compound landfill leachate treatment equipment - Google Patents
A compound landfill leachate treatment equipment Download PDFInfo
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- CN109052752B CN109052752B CN201811000353.6A CN201811000353A CN109052752B CN 109052752 B CN109052752 B CN 109052752B CN 201811000353 A CN201811000353 A CN 201811000353A CN 109052752 B CN109052752 B CN 109052752B
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- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 17
- 150000001875 compounds Chemical class 0.000 title claims abstract description 8
- 239000012528 membrane Substances 0.000 claims abstract description 103
- 239000002131 composite material Substances 0.000 claims abstract description 33
- 239000012466 permeate Substances 0.000 claims abstract description 13
- 239000006096 absorbing agent Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000012141 concentrate Substances 0.000 claims abstract description 4
- 150000002500 ions Chemical class 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000002861 polymer material Substances 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000007770 graphite material Substances 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000001728 nano-filtration Methods 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 238000001223 reverse osmosis Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 239000010865 sewage Substances 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 150000001768 cations Chemical class 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- 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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
本发明公开了一种复合式垃圾渗滤液处理设备，属于生活污水处理设备领域。它包括设有圆形进液口、连接复合上盖板与复合下盖板的内拉杆、圆形承压外壳和复合式滤芯本体，复合式滤芯本体位于圆形承压外壳内部，且装设于复合上盖板和复合下盖板之间；复合式滤芯本体自上而下依次包括离子吸收器、导流盘A、初级滤膜、分级导流盘A、级差滤膜、分级导流盘B、终极滤膜和设有透过液出口与浓缩液出口的导流盘B。本发明是一种结构合理、具有离子吸附功能、渗滤液分级处理、依靠重力或小压力即可快速处理垃圾渗滤液的复合式垃圾渗滤液处理设备。
The invention discloses a compound landfill leachate treatment equipment, which belongs to the field of domestic sewage treatment equipment. It includes a circular liquid inlet, an inner pull rod connecting the composite upper cover plate and the composite lower cover plate, a circular pressure-bearing shell and a composite filter element body. The composite filter element body is located inside the circular pressure-bearing shell and is installed with Between the composite upper cover plate and the composite lower cover plate; the composite filter element body includes, from top to bottom, an ion absorber, a guide plate A, a primary filter membrane, a graded guide plate A, a differential filter membrane, and a graded guide plate. B. The final filter membrane and the guide plate B with the outlet of the permeate and the outlet of the concentrate. The invention is a compound landfill leachate treatment equipment with reasonable structure, ion adsorption function, classification treatment of leachate, and fast treatment of landfill leachate by relying on gravity or small pressure.
Description
Technical Field
The invention mainly relates to the field of domestic sewage treatment equipment, in particular to combined type garbage leachate treatment equipment.
Background
Domestic sewage and landfill leachate are often discharged in daily life of residents, and the domestic sewage contains a large amount of pollutants, such as metal cations, carbohydrates, pathogenic microorganisms and the like, so the domestic sewage needs to be treated before being discharged. Domestic sewage treatment in the prior art is usually a single mode, and this leads to the difficult realization of all-round pure water separation. Therefore, the combined type garbage leachate treatment equipment has certain practical value.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the technical problems in the prior art, the invention provides the combined type landfill leachate treatment equipment which has a reasonable structure, has an ion adsorption function, performs graded treatment on leachate and can quickly treat the landfill leachate by depending on gravity or small pressure.
In order to solve the problems, the solution proposed by the invention is as follows: the utility model provides a combined type landfill leachate treatment facility, it is including being equipped with circular inlet, connecting compound upper cover plate with compound interior pull rod, circular pressure-bearing shell and the combined type filter core body of apron down, the combined type filter core body is located inside the circular pressure-bearing shell, and install in between compound upper cover plate and the compound apron down.
The composite filter element body sequentially comprises an ion absorber, a flow guide disc A, a primary filter membrane, a grading flow guide disc A, a grade difference filter membrane, a grading flow guide disc B, a final filter membrane and a flow guide disc B provided with a permeate outlet and a concentrated solution outlet from top to bottom.
The ion absorber is a cylindrical container and is respectively formed by bonding a semicircular anode plate and a semicircular cathode plate into a whole through an insulator; the center of the diversion disc A is provided with a center hole in transition fit with the inner pull rod, and the rest part of the diversion disc A is provided with at least one singly communicated diffraction diversion hole.
The primary filter membrane 6 is cylindrical, and the outer diameter of the primary filter membrane is equal to half of the diameter of the flow guide disc A; the primary filter membrane is provided with a micron-sized microporous filter membrane, and the microporous filter membrane is made of polytetrafluoroethylene, polyvinylidene fluoride or polypropylene; the center of the grading diversion disc A is provided with a center hole in transition fit with the inner pull rod, and the rest part of the grading diversion disc A is provided with at least one singly communicated diffraction diversion hole A71 and at least one singly communicated diffraction diversion hole B; the diffraction diversion hole A and the diffraction diversion hole B are respectively positioned on the inner side and the outer side of the circular shell surface corresponding to the primary filter membrane.
The graded filter membrane consists of two layers of coaxial cylindrical shells, namely a graded filter membrane inner layer and a graded filter membrane outer layer from inside to outside, and the diameters of the graded filter membrane inner layer and the graded filter membrane outer layer are respectively one third and two thirds of the diameter of the diversion disc A; the inner layer of the grade difference filter membrane and the outer layer of the grade difference filter membrane are respectively a microporous filter membrane and a nanofiltration membrane.
The center of the grading guide disc B is provided with a center hole in transition fit with the inner pull rod, and the rest part of the grading guide disc B is provided with at least one singly communicated grade difference guide hole A, at least one singly communicated grade difference guide hole B and at least one singly communicated grade difference guide hole C; the level difference guide holes A are positioned on the inner side of the circular curved surface where the inner layer of the level difference filter membrane is positioned, the level difference guide holes B are positioned on the outer side of the curved surface where the inner layer of the level difference filter membrane is positioned and the inner side of the curved surface where the outer layer of the level difference filter membrane is positioned, and the level difference guide holes C are positioned on the outer side of the curved surface where the outer layer of the level difference filter membrane is positioned.
The final filter membrane is a reverse osmosis membrane and is cylindrical, and the outer diameter of the final filter membrane is equal to half of the diameter of the flow guide disc A.
The anode plate is made of graphite material, and the cathode plate is made of iron plate.
The composite upper cover plate and the composite lower cover plate are formed by compounding corrosion-resistant high polymer materials and high-strength metal materials, and the portions, close to the composite filter element body, of the composite upper cover plate and the composite lower cover plate are made of high polymer materials.
The diffraction guide holes are the same as the diffraction guide holes A, the diffraction guide holes B, the level difference guide holes A, the level difference guide holes B and the level difference guide holes C in structure and are formed by interconnecting a plurality of circular through holes parallel to the axial direction of the inner pull rod at the upper end and the lower end, and the inlets at the upper ends of the guide holes are arranged on the outer side, and the outlets at the lower ends of the guide holes are arranged on the inner side.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the combined type garbage leachate treatment equipment is provided with the ion adsorber, ions in leachate can be adsorbed, the corrosion of the leachate to a filter membrane is effectively prevented, the flow rate of the leachate after the ions are adsorbed is increased, and the rapid treatment is facilitated.
(2) The combined type landfill leachate treatment equipment is also provided with the primary filter membrane, the stage difference filter membrane and the final filter membrane, and solute filtration of different stages is sequentially realized, so that filter membrane blockage is effectively prevented, and the treatment speed and the purity of a permeate liquid are improved. Therefore, the invention has reasonable structure, multiple processing functions such as ion adsorption function, leachate grading treatment and the like, and can separate the permeate and the concentrated solution by means of gravity or small pressure.
Drawings
Fig. 1 is a schematic structural principle diagram of the combined type landfill leachate treatment equipment of the invention.
In the figure, 1-a pressure-bearing housing; 21-composite upper cover plate; 22-composite lower cover plate; 3, an inner pull rod; 41-an anode plate; 42-cathode plate; 5, a flow guide disc A; 51-diffraction guide hole; 6-primary filter membrane; 7-grading flow guide disc A; 71-diffraction diversion hole A; 72-diffraction diversion hole B; 81-stage difference filter membrane inner layer; 82-grade difference filter membrane outer layer; 9-grading flow guide disc B; 91-level difference diversion hole A; 92-level difference diversion hole B; 93-level difference diversion hole C; 10-final filtration membrane; 11-a flow guiding disc B; 12-permeate outlet; 13-outlet of concentrated solution; 14-liquid inlet.
Detailed Description
The invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the combined type landfill leachate treatment equipment comprises a circular liquid inlet 14, an inner pull rod 3 connecting a combined upper cover plate 21 and a combined lower cover plate 22, a circular pressure-bearing shell 1 and a combined type filter element body, wherein the combined type filter element body is positioned inside the circular pressure-bearing shell 1 and is arranged between the combined upper cover plate 21 and the combined lower cover plate 22.
Referring to fig. 1, the composite filter element body sequentially comprises an ion absorber, a flow guide disc a5, a primary filter membrane 6, a grading flow guide disc a7, a grade difference filter membrane, a grading flow guide disc B9, a final filter membrane 10 and a flow guide disc B11 provided with a permeate outlet 12 and a concentrate outlet 13 from top to bottom.
Referring to fig. 1, the ion absorber is a cylindrical container, and is formed by bonding a semicircular anode plate 41 and a semicircular cathode plate 42 into a whole through an insulator; the center of the diversion disc A5 is provided with a center hole which is in transition fit with the inner pull rod 3, and the rest part is provided with at least one diffraction diversion hole 51 which is singly communicated.
Referring to fig. 1, the primary filter membrane 6 is cylindrical and has an outer diameter equal to half of the diameter of the diversion disc a 5; the primary filter membrane is provided with a micron-sized microporous filter membrane, and the microporous filter membrane is made of polytetrafluoroethylene, polyvinylidene fluoride or polypropylene; the center of the grading diversion disc A7 is provided with a center hole in transition fit with the inner pull rod 3, and the rest part is provided with at least one singly communicated diffraction diversion hole A71 and at least one singly communicated diffraction diversion hole B72; the diffraction guide hole A71 and the diffraction guide hole B72 are respectively located on the inner side and the outer side of the circular shell surface corresponding to the primary filter membrane 6.
Referring to fig. 1, the step filter membrane is composed of two coaxial cylindrical shells, which are a step filter membrane inner layer 81 and a step filter membrane outer layer 82 from inside to outside, and the diameters of the step filter membrane inner layer 81 and the step filter membrane outer layer 82 are one third and two thirds of the diameter of the diversion disc a 5; the inner stage difference filter membrane layer 81 and the outer stage difference filter membrane layer 82 are respectively a microporous filter membrane and a nanofiltration membrane.
Referring to fig. 1, the center of the grading guide disc B9 is provided with a center hole in transition fit with the inner tie rod 3, and the rest is provided with at least one single-communicated level difference guide hole a91, at least one single-communicated level difference guide hole B92 and at least one single-communicated level difference guide hole C93; the level difference flow guide hole A91 is located on the inner side of the circular curved surface where the level difference filter membrane inner layer 81 is located, the level difference flow guide hole B92 is located on the outer side of the curved surface where the level difference filter membrane inner layer 81 is located and the inner side of the curved surface where the level difference filter membrane outer layer 82 is located, and the level difference flow guide hole C93 is located on the outer side of the curved surface where the level difference filter membrane outer layer 82 is located.
Referring to fig. 1, the final filter membrane 10 is a reverse osmosis membrane, and has a cylindrical shape, and the outer diameter thereof is equal to half of the diameter of the baffle a 5.
Referring to fig. 1, the anode plate 41 is made of graphite material, the cathode plate 42 is made of iron plate, and the anode plate 41 and the cathode plate 42 can be connected with an external dc power supply through conducting wires.
Referring to fig. 1, the composite upper cover plate 21 and the composite lower cover plate 22 are made of a corrosion-resistant polymer material and a high-strength metal material, and the portion of the composite upper cover plate close to the composite filter element body is made of a polymer material.
As shown in fig. 1, the diffraction guide hole 51 has the same structure as the diffraction guide hole a71, the diffraction guide hole B72, the step guide hole a91, the step guide hole B92 and the step guide hole C93, and are formed by interconnecting a plurality of circular through holes parallel to the axial direction of the inner rod 3 at the upper and lower ends, and the upper end inlet of the guide hole is on the outer side and the lower end outlet is on the inner side.
The working principle is as follows: the garbage percolate flows into a cylindrical ion absorber from a liquid inlet 14, cations and anions in the percolate are respectively adsorbed on a cathode plate 42 and an anode plate 41 under the action of direct current, the percolate with the ions removed flows into a primary filter membrane 6 through diffraction guide holes 51 on a guide plate A5, micron-sized suspended matters or solutes are filtered out through the primary filter membrane 6, namely the percolate flows to the outer side of the primary filter membrane 6 and flows into a position between a graded filter membrane inner layer 81 and a graded filter membrane outer layer 82 through diffraction guide holes B72; meanwhile, the concentrated solution flows into the inner side of the level difference filter membrane inner layer 81 through the diffraction diversion hole A71; part of the concentrated solution inside the inner layer 81 of the step filter membrane permeates between the inner layer 81 of the step filter membrane and the outer layer 82 of the step filter membrane through the inner layer 81 of the step filter membrane, and the other part of the concentrated solution flows into the inside of the final filter membrane 10 through the step guide holes A91 to form highly concentrated solution; a part of percolate between the inner layer 81 of the grade difference filter membrane and the outer layer 82 of the grade difference filter membrane flows into the inner side of the final filter membrane 10 through the grade difference diversion hole B92, and the other part of percolate permeates into the outer side of the outer layer 82 of the grade difference filter membrane and flows into the outer side of the final filter membrane 10 through the grade difference diversion hole C93 to form high-purity permeate; the concentrated solution inside the final filter membrane 10 further permeates to the outside of the final filter membrane 10; finally, the percolate inside the final filter membrane 10 is discharged via the concentrate outlet 13, and the permeate outside the final filter membrane 10 is discharged via the permeate outlet 12. Thereby realized the high separation of landfill leachate, above-mentioned process both can increase partly pressure in the inside of pressure-bearing shell 1, also can accomplish under the effect of leachate self weight spontaneously.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000353.6A CN109052752B (en) | 2018-08-30 | 2018-08-30 | A compound landfill leachate treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000353.6A CN109052752B (en) | 2018-08-30 | 2018-08-30 | A compound landfill leachate treatment equipment |
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| Publication Number | Publication Date |
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| CN109052752A CN109052752A (en) | 2018-12-21 |
| CN109052752B true CN109052752B (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811000353.6A Active CN109052752B (en) | 2018-08-30 | 2018-08-30 | A compound landfill leachate treatment equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200999206Y (en) * | 2007-01-05 | 2008-01-02 | 隋春霞 | Garbage filter liquor treatment film post |
| CN203833678U (en) * | 2014-02-28 | 2014-09-17 | 长沙威保特环保科技有限公司 | Reverse osmosis device and reverse osmosis water treatment system applied to treatment of high-concentration wastewater |
| CN106448787A (en) * | 2014-01-09 | 2017-02-22 | 清华大学 | Method and device for treating radioactive wastewater |
| CN206295822U (en) * | 2016-09-27 | 2017-07-04 | 江苏亚欧环境工程有限公司 | Vibration membrane separation device membrane module |
| KR101791621B1 (en) * | 2016-06-30 | 2017-11-20 | 한국해양과학기술원 | Apparatus of membrane distillation desalination and concentrating extraction from seawater using heat pump |
-
2018
- 2018-08-30 CN CN201811000353.6A patent/CN109052752B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200999206Y (en) * | 2007-01-05 | 2008-01-02 | 隋春霞 | Garbage filter liquor treatment film post |
| CN106448787A (en) * | 2014-01-09 | 2017-02-22 | 清华大学 | Method and device for treating radioactive wastewater |
| CN203833678U (en) * | 2014-02-28 | 2014-09-17 | 长沙威保特环保科技有限公司 | Reverse osmosis device and reverse osmosis water treatment system applied to treatment of high-concentration wastewater |
| KR101791621B1 (en) * | 2016-06-30 | 2017-11-20 | 한국해양과학기술원 | Apparatus of membrane distillation desalination and concentrating extraction from seawater using heat pump |
| CN206295822U (en) * | 2016-09-27 | 2017-07-04 | 江苏亚欧环境工程有限公司 | Vibration membrane separation device membrane module |
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| CN109052752A (en) | 2018-12-21 |
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Application publication date: 20181221 Assignee: NANJING KESEN KENEN ENVIRONMENT & ENERGY Co.,Ltd. Assignor: CHANGZHOU University Contract record no.: X2023980053840 Denomination of invention: A composite landfill leachate treatment equipment Granted publication date: 20210427 License type: Common License Record date: 20231225 |
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