CN210505923U - Assembly line for treating landfill leachate - Google Patents
Assembly line for treating landfill leachate Download PDFInfo
- Publication number
- CN210505923U CN210505923U CN201921128492.7U CN201921128492U CN210505923U CN 210505923 U CN210505923 U CN 210505923U CN 201921128492 U CN201921128492 U CN 201921128492U CN 210505923 U CN210505923 U CN 210505923U
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- Prior art keywords
- unit
- reverse osmosis
- landfill leachate
- disc
- oxidation
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- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 26
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 42
- 230000003647 oxidation Effects 0.000 claims abstract description 26
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 9
- 238000001704 evaporation Methods 0.000 claims abstract description 9
- 230000008020 evaporation Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract 1
- 238000007781 pre-processing Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 4
- 230000001112 coagulating effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010170 biological method Methods 0.000 description 2
- 125000000623 heterocyclic group Chemical group 0.000 description 2
- -1 hydroxyl radicals Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000009287 sand filtration Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000009303 advanced oxidation process reaction Methods 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
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Abstract
The utility model relates to a handle landfill leachate's assembly line, a serial communication port, the assembly line is arranged according to the order including preprocessing device, one-level dish tubular reverse osmosis filter equipment, oxidation unit, high pressure dish tubular reverse osmosis unit, evaporation plant, drying device, cooling device, is connected with the pipeline between each device, and the one-way flow is done through the water pump to filtrating in the pipeline to carry to next device. The advanced treatment process for treating the DTRO concentrated solution by integrating the advanced oxidation technology and the high-pressure disc tube type reverse osmosis solves the key problems of DTRO concentrated solution treatment and resource utilization, and realizes zero emission of landfill leachate.
Description
Technical Field
The utility model relates to a refuse treatment field especially relates to landfill leachate's processing.
Background
The landfill leachate is high-concentration organic wastewater generated in landfill, has complex components and large change of water quality and water quantity, contains more organic matters which are difficult to biodegrade, such as organic heterocycles (heterocycles and polycyclic aromatic hydrocarbons), acid esters, amides and the like, accounts for more than 70 percent of the total organic components of the landfill leachate, is difficult to treat by using a conventional biological method, and needs higher conditions for operation.
Reverse osmosis is one of the commonly used water treatment processes, and is commonly used for advanced treatment of wastewater. The disc tube type reverse osmosis (DTRO) adopts an open flow channel design, has excellent pollution resistance, can stably run under the severe water quality condition with high COD, has high recovery rate, and can further reduce and concentrate the waste water. The DTRO concentrated solution has complex components and high COD and salt content, and the treatment and the discharge of the DTRO concentrated solution become the key problems to be solved urgently.
In the existing solutions, advanced oxidation technologies (AOPs) generate hydroxyl radicals (· OH) with strong oxidizing power under the action of electricity, chemical oxidants, light, etc. The hydroxyl free radical has strong oxidative degradation capability, and can mineralize organic pollutants (especially organic matters difficult to biodegrade) and decompose the organic pollutants into carbon dioxide and water. The method has more thorough decomposition of organic matters, and has attracted wide attention in the field of landfill leachate treatment in recent years. There is therefore a need for an apparatus for landfill leachate treatment using advanced oxidation technology, which treats landfill leachate including high concentration organic wastewater.
Disclosure of Invention
In order to solve the technical problem, the technical scheme is that the assembly line for treating the landfill leachate is characterized by comprising a pretreatment device, a first-stage disc-tube type reverse osmosis filter device, an oxidation device, a high-pressure disc-tube type reverse osmosis device, an evaporation device, a drying device and a cooling device which are arranged in sequence, wherein pipelines are connected among the devices, filtrate in the pipelines flows in a single direction through a water pump, and the filtrate in the pipelines is conveyed to the next device.
On the basis of the technical scheme, the sequence of the assembly line arrangement can also be adjusted into an oxidation device, a pretreatment device, a first-stage disc-tube type reverse osmosis device, a high-pressure disc-tube type reverse osmosis device, an evaporation device, a drying device and a cooling device through valves according to the water quality requirement.
On the basis of the technical scheme, the high-pressure disc tube type reverse osmosis device and the first-stage disc tube type reverse osmosis device are also respectively connected with the second-stage disc tube type reverse osmosis device and used for producing water for recycling.
On the basis of the technical scheme, the pretreatment device is provided with a dosing device which performs acid-base regulation and coagulating sedimentation on the landfill leachate before entering the primary disc tube type reverse osmosis filter device.
On the basis of the technical scheme, the pretreatment device comprises a sand filter.
On the basis of the technical scheme, the oxidation device is one of an electrolytic oxidation device, a Fenton oxidation device and an ozone oxidation device; the removal rate of Chemical Oxygen Demand (COD) of the concentrated water reaches 65 percent.
On the basis of the technical scheme, the operating pressure of the high-pressure disc-tube reverse osmosis device is 12 MPa, and the COD removal rate is more than 99%.
Has the advantages that: treating a disc tube type reverse osmosis (DTRO) concentrated solution by adopting advanced treatment technology of 'advanced oxidation + high-pressure disc tube type reverse osmosis'; organic matters which are difficult to degrade by a degradable biological method are subjected to harmless treatment, so that the key problems of DTRO concentrated solution treatment and resource utilization are solved, the zero emission of the landfill leachate is realized, and the traditional disposal mode of recharging the landfill leachate concentrated solution is replaced.
Drawings
Fig. 1 is a schematic structural view of the assembly line of the present invention.
Detailed Description
The technical scheme is that the assembly line for treating the landfill leachate is characterized by comprising a pretreatment device, a primary disc-tube type reverse osmosis filter device, an oxidation device, a high-pressure disc-tube type reverse osmosis device, an evaporation device, a drying device and a cooling device which are arranged in sequence, wherein pipelines are connected among the devices, filtrate in the pipelines flows in a single direction through a water pump, and the filtrate in the pipelines is conveyed to the next device.
The present embodiment provides a process line for treating landfill leachate, in which the starting point of the process line is the pretreatment device and the end point is the cooling device.
The specific use method is as follows:
firstly, the untreated landfill leachate is pumped to a pretreatment device by a water pump for treatment, the pretreatment device is provided with a dosing device, and the pretreatment device carries out PH regulation, coagulating sedimentation and simple sand filtration to remove impurities with larger granularity.
And pumping the concentrated solution after passing through the pretreatment device to a first-stage disc tube type reverse osmosis filter device by a water pump for filtering.
And the concentrated filtrate obtained after the filtration by the first-stage disc-tube type reverse osmosis filter device enters an oxidation device for oxidation treatment.
And the concentrated solution treated by the oxidation device enters a high-pressure disc-tube type reverse osmosis device for further concentration under high pressure.
The concentrated solution concentrated by the high-pressure disc-tube type reverse osmosis device enters an evaporation device, a drying device and a cooling device for salt separation treatment.
On the basis of the technical scheme, the produced water is subjected to secondary filtration by the secondary disc tube type reverse osmosis device after being subjected to the high-pressure disc tube type reverse osmosis device and the primary disc tube type reverse osmosis filtration, and the obtained treated water can be directly used.
This embodiment provides another landfill leachate treatment line, where the beginning of the line is the oxidation unit and the end is the cooling unit.
The specific use method is as follows:
firstly, untreated landfill leachate is pumped to an oxidation device for oxidation treatment through valve adjustment according to the water quality requirement.
The concentrated solution after passing through the oxidation device is pumped to a pretreatment device by a water pump, the pretreatment device is provided with a dosing device, and the impurities with larger granularity are removed by the pretreatment device through pH adjustment, coagulating sedimentation and simple sand filtration.
And the concentrated filtrate obtained after the filtration by the pretreatment device enters a first-stage disc-tube type reverse osmosis filter device for filtration.
And the concentrated solution treated by the first-stage disc-tube type reverse osmosis filter enters a high-pressure disc-tube type reverse osmosis device, and is further concentrated under high pressure.
The concentrated solution concentrated by the high-pressure disc-tube type reverse osmosis device enters an evaporation device, a drying device and a cooling device for salt separation treatment.
On the basis of the technical scheme, the produced water is subjected to secondary filtration by the secondary disc tube type reverse osmosis device after being subjected to the high-pressure disc tube type reverse osmosis device and the primary disc tube type reverse osmosis filtration, and the obtained treated water can be directly used.
Claims (7)
1. The production line for treating the landfill leachate is characterized by comprising a pretreatment device, a first-stage disc tube type reverse osmosis filter device, an oxidation device, a high-pressure disc tube type reverse osmosis device, an evaporation device, a drying device and a cooling device which are arranged in sequence, wherein pipelines are connected among the devices, filtrate in the pipelines flows in a single direction through a water pump, and the filtrate in the pipelines is conveyed to the next device.
2. The landfill leachate treatment line of claim 1, wherein the high pressure disc-tube reverse osmosis unit and the primary disc-tube reverse osmosis unit are further connected to the secondary disc-tube reverse osmosis unit, respectively.
3. The assembly line for treating landfill leachate according to claim 1, wherein the pretreatment device is provided with a dosing device.
4. The landfill leachate treatment line of claim 1, wherein the pretreatment unit comprises a sand filter.
5. The landfill leachate treatment line of claim 1, wherein the oxidation unit is one of an electrolytic oxidation unit, a fenton oxidation unit, and an ozone oxidation unit.
6. The landfill leachate treatment line of claim 1, wherein the high pressure disc and pipe reverse osmosis unit operates at a pressure of 12 MPa.
7. The process line for treating landfill leachate of any one of claims 1 to 6, wherein the process line comprises an oxidation unit, a pretreatment unit, a first-stage disc-tube reverse osmosis filtration unit, a high-pressure disc-tube reverse osmosis unit, an evaporation unit, a drying unit, and a cooling unit, which are sequentially arranged by means of valve adjustment, wherein a pipeline is connected between the oxidation unit, the pretreatment unit, the first-stage disc-tube reverse osmosis filtration unit, the high-pressure disc-tube reverse osmosis unit, the evaporation unit, the drying unit, and the cooling unit, wherein the filtrate in the pipeline is made to flow in one direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921128492.7U CN210505923U (en) | 2019-07-18 | 2019-07-18 | Assembly line for treating landfill leachate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921128492.7U CN210505923U (en) | 2019-07-18 | 2019-07-18 | Assembly line for treating landfill leachate |
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| Publication Number | Publication Date |
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| CN210505923U true CN210505923U (en) | 2020-05-12 |
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|---|---|---|---|
| CN201921128492.7U Active CN210505923U (en) | 2019-07-18 | 2019-07-18 | Assembly line for treating landfill leachate |
Country Status (1)
| Country | Link |
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| CN (1) | CN210505923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960834A (en) * | 2021-02-08 | 2021-06-15 | 北京汲智科技有限公司 | Sewage treatment standard-reaching discharge process for kitchen waste leachate |
-
2019
- 2019-07-18 CN CN201921128492.7U patent/CN210505923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960834A (en) * | 2021-02-08 | 2021-06-15 | 北京汲智科技有限公司 | Sewage treatment standard-reaching discharge process for kitchen waste leachate |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An assembly line for landfill leachate treatment Effective date of registration: 20210506 Granted publication date: 20200512 Pledgee: Yantai Xincai Haohan Investment Center (L.P.) Pledgor: YANTAI JINZHENG ECO-TECHNOLOGY Co.,Ltd. Registration number: Y2021980003272 |
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Date of cancellation: 20211021 Granted publication date: 20200512 Pledgee: Yantai Xincai Haohan Investment Center (L.P.) Pledgor: YANTAI JINZHENG ECO-TECHNOLOGY Co.,Ltd. Registration number: Y2021980003272 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of utility model: An assembly line for treating landfill leachate Effective date of registration: 20211118 Granted publication date: 20200512 Pledgee: Yantai Xincai Haohan Investment Center (L.P.) Pledgor: YANTAI JINZHENG ECO-TECHNOLOGY Co.,Ltd. Registration number: Y2021370000138 |
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Date of cancellation: 20220628 Granted publication date: 20200512 Pledgee: Yantai Xincai Haohan Investment Center (L.P.) Pledgor: YANTAI JINZHENG ECO-TECHNOLOGY Co.,Ltd. Registration number: Y2021370000138 |
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Denomination of utility model: An assembly line for treating landfill leachate Effective date of registration: 20220714 Granted publication date: 20200512 Pledgee: Yantai Xincai Haohan Investment Center (L.P.) Pledgor: YANTAI JINZHENG ECO-TECHNOLOGY Co.,Ltd. Registration number: Y2022370000086 |
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Date of cancellation: 20230110 Granted publication date: 20200512 Pledgee: Yantai Xincai Haohan Investment Center (L.P.) Pledgor: YANTAI JINZHENG ECO-TECHNOLOGY Co.,Ltd. Registration number: Y2022370000086 |
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Denomination of utility model: An assembly line for treating landfill leachate Effective date of registration: 20230112 Granted publication date: 20200512 Pledgee: Yantai Xincai Haohan Investment Center (L.P.) Pledgor: YANTAI JINZHENG ECO-TECHNOLOGY Co.,Ltd. Registration number: Y2023370000014 |
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Date of cancellation: 20230307 Granted publication date: 20200512 Pledgee: Yantai Xincai Haohan Investment Center (L.P.) Pledgor: YANTAI JINZHENG ECO-TECHNOLOGY Co.,Ltd. Registration number: Y2023370000014 |
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Denomination of utility model: An assembly line for treating landfill leachate Effective date of registration: 20230314 Granted publication date: 20200512 Pledgee: Yantai Xincai Haohan Investment Center (L.P.) Pledgor: YANTAI JINZHENG ECO-TECHNOLOGY Co.,Ltd. Registration number: Y2023370000052 |