CN219384930U - Integrated percolate treatment equipment with separation membrane - Google Patents
Integrated percolate treatment equipment with separation membrane Download PDFInfo
- Publication number
- CN219384930U CN219384930U CN202223507428.4U CN202223507428U CN219384930U CN 219384930 U CN219384930 U CN 219384930U CN 202223507428 U CN202223507428 U CN 202223507428U CN 219384930 U CN219384930 U CN 219384930U
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- percolate
- sea
- treatment mechanism
- tank
- thin film
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- 239000012528 membrane Substances 0.000 title claims abstract description 65
- 238000000926 separation method Methods 0.000 title claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 238000009287 sand filtration Methods 0.000 claims abstract description 16
- 238000007872 degassing Methods 0.000 claims abstract description 13
- 239000010409 thin film Substances 0.000 claims description 17
- 239000013535 sea water Substances 0.000 claims description 16
- 239000004576 sand Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 abstract description 20
- 239000000149 chemical water pollutant Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007781 pre-processing Methods 0.000 abstract description 5
- 239000012466 permeate Substances 0.000 description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model belongs to the technical field of the filtration liquid is handled, relates to an integrated filtration liquid treatment facility who contains separation membrane, and it is including the preprocessing device who is used for adjusting filtration liquid PH, preprocessing device is connected with sand filtration mechanism along the flow direction of filtration liquid, and sand filtration mechanism is connected with DTRO membrane treatment mechanism, and DTRO membrane treatment mechanism is connected with sea light membrane treatment mechanism, and sea light membrane treatment mechanism is connected with degassing unit. The method has the effect of solving the problem that when the salinity content of the landfill leachate is high, the existing leachate treatment method is difficult to enable the treated landfill leachate to meet the discharge requirement.
Description
Technical Field
The application relates to the field of leachate treatment, in particular to integrated leachate treatment equipment with a separation membrane.
Background
The landfill leachate is high-concentration organic wastewater formed by deducting saturated water holding capacity of garbage and an overburden layer and passing through the garbage layer and the overburden layer, wherein the water is contained in the garbage in a landfill, rain and snow water entering the landfill and other water.
At present, the treatment method of the landfill leachate mainly comprises a physical and chemical method, a biological method and a land treatment method, however, when the salinity content of the landfill leachate is high, the existing treatment method of the leachate is difficult to enable the treated landfill leachate to meet the discharge requirement.
Disclosure of Invention
In order to solve the problem that when the salinity content of landfill leachate is higher, the existing leachate treatment method is difficult to enable the treated landfill leachate to meet the discharge requirement, the application provides integrated leachate treatment equipment with a separation membrane.
The application provides an integrated percolate treatment device with a separation membrane adopts the following technical scheme:
the utility model provides an integrated filtration liquid treatment facility that contains separation membrane, includes the preprocessing device who is used for adjusting filtration liquid PH, and preprocessing device is connected with sand filtration mechanism along the flow direction of filtration liquid, and sand filtration mechanism is connected with DTRO membrane processing mechanism, and DTRO membrane processing mechanism is connected with sea light membrane processing mechanism, and sea light membrane processing mechanism is connected with degassing unit.
By adopting the technical scheme, the PH of the raw percolate water is usually slightly alkaline, the PH of the raw percolate water can be regulated to be slightly acidic through the pretreatment device, so that free ammonia nitrogen in the percolate is converted into an ionic state, the interception effect of the percolate treatment equipment on ammonia nitrogen is improved, meanwhile, the treatment process of the percolate in the percolate treatment equipment is a process of gradually concentrating through the DTRO membrane treatment mechanism and the sea-thin membrane treatment mechanism, the higher the concentration of the concentrated solution of the percolate is, the more easily the scaling phenomenon occurs in the DTRO membrane treatment mechanism and the sea-thin membrane treatment mechanism, the PH of the percolate is regulated to be slightly acidic, and the scaling coefficients of the DTRO membrane treatment mechanism and the sea-thin membrane treatment mechanism can be reduced.
The leachate flows to the sand filtration mechanism after pretreatment, suspended solids in the leachate are removed through the sand filtration mechanism, the leachate after sand filtration flows to the DTRO membrane treatment mechanism, and the DTRO membrane treatment mechanism can intercept substances such as COD, ammonia nitrogen, suspended solids, salts and the like in the leachate. The leachate is filtered by the DTRO membrane treatment mechanism to form a permeate which flows to the sea-thin membrane treatment mechanism, the sea-thin membrane treatment mechanism can further remove substances such as salt in the permeate, so that the problem that when the salt content of the landfill leachate is high, the existing treatment method of the leachate is difficult to enable the treated landfill leachate to meet the discharge requirement is solved, the permeate flows to the degassing mechanism, and the degassing mechanism can remove carbon dioxide in the permeate so as to ensure that the PH of the permeate is within a specified discharge range.
Optionally, the sand filtering mechanism comprises a sand filtering tank and an air compressor connected with the sand filtering tank.
By adopting the technical scheme, the sand filter tank has high removal rate of suspended matters in the percolate, can wash the filler in the sand filter tank through the air compressor, and can be used repeatedly, and has simple operation and good corrosion resistance.
Optionally, a cartridge filter is connected between the sand filtration tank and the DTRO membrane treatment mechanism.
By adopting the technical scheme, the leachate can be filtered by the security filter to further filter fine particles so as to meet the requirement of the DTRO membrane treatment mechanism on water inlet, and the condition that the particles in the leachate enter the DTRO membrane treatment mechanism to influence the normal operation of the DTRO membrane treatment mechanism is reduced.
Optionally, the cartridge filter comprises a filter element, and the filter element is a PP melt-blown filter element.
By adopting the technical scheme, the PP melt-blown filter element has the advantages of strong wear resistance, large flow, low pressure difference, corrosion resistance and long service life.
Optionally, a core filter is connected between the sea water thin film treatment mechanism and the degassing mechanism.
By adopting the technical scheme, the permeate is treated by the sea light membrane treatment mechanism and filtered by the core filter, so that trace fine impurities and bacteria in the permeate can be further removed, the water outlet quality of the permeate treated by the permeate treatment equipment is improved, and the core filter has high precision, high filtering efficiency and strong dirt holding capacity.
Optionally, the preprocessing device is a dosing tank, a PH sensor is installed in the dosing tank, a dosing pipe for circulating a PH regulator is communicated with the dosing tank, a valve is installed at the tail end of the dosing pipe along the flowing direction of the PH regulator, and the valve is electrically connected with a controller.
Through adopting above-mentioned technical scheme, operating personnel accessible PH sensor in time observes the PH value of adding the interior leachate of medicine water tank, according to the PH value of leachate, opens or closes through controller control valve to realize that PH regulator flows into the volume of adding in the medicine water tank through adding the pencil, make the operation that adds the medicine water tank and add PH regulator more convenient.
Optionally, the valve is a pneumatic ball valve.
By adopting the technical scheme, the pneumatic ball valve has good sealing performance and rapid opening and closing, and the sealing surface of the valve is isolated from the PH regulator in the dosing tube, so that the corrosion of the PH regulator to the sealing surface of the valve during circulation in the dosing tube can be reduced.
Optionally, the sea water thin film treatment mechanism comprises a sea water thin film device, and the sea water thin film device is provided with a float flowmeter for measuring the flow of percolate in the sea water thin film device.
Through adopting above-mentioned technical scheme, operating personnel can observe the flow volume of permeate in the sea light membrane device through the float flowmeter, in time discovers the circumstances such as membrane jam that appear in the sea light membrane device to maintain the sea light membrane device.
In summary, the present application includes the following beneficial technical effects:
1. the PH of the percolate raw water is regulated by the pretreatment device, so that the ammonia nitrogen removal effect of percolate treatment equipment can be improved, meanwhile, the scaling phenomenon after concentration is reduced, the percolate flows to the sand filtration mechanism, suspended solids in the percolate are removed by the sand filtration mechanism, the percolate after sand filtration flows to the DTRO membrane treatment mechanism, and substances such as COD, ammonia nitrogen, suspended solids and salts in the percolate can be intercepted by the DTRO membrane treatment mechanism.
The permeate liquid formed by filtering the leachate through the DTRO membrane treatment mechanism flows to the sea-thin membrane treatment mechanism, the sea-thin membrane treatment mechanism can further remove substances such as salt in the permeate liquid, the problem that the treated landfill leachate is difficult to meet the discharge requirement by the existing treatment method of the leachate when the salt content of the landfill leachate is high is solved, the permeate liquid flows to the degassing mechanism, and the degassing mechanism can remove carbon dioxide in the permeate liquid so as to ensure that the PH of the permeate liquid is in a specified discharge range;
2. the arrangement of the cartridge filter and the cartridge filter is beneficial to further improving the filtering effect on the percolate.
Drawings
FIG. 1 is a schematic view of an integrated percolate treatment apparatus comprising a separation membrane according to an embodiment of the present application.
Fig. 2 is a schematic diagram showing the structure at the liquid adding tank.
Reference numerals illustrate:
1. a dosing water tank; 11. a PH sensor; 12. a dosing tube; 13. pneumatic ball valves; 14. a controller; 2. a sand filtration tank; 21. an air compressor; 22. a cartridge filter; 3. a DTRO membrane treatment mechanism; 4. a sea light membrane treatment mechanism; 41. sea light membrane device; 42. a core filter; 43. a float flow meter; 5. a degassing mechanism.
Detailed Description
The present application is described in further detail below.
The embodiment of the application discloses integrated percolate treatment equipment with a separation membrane, and referring to fig. 1, the integrated percolate treatment equipment comprises a dosing water tank 1, a sand filtering mechanism, a DTRO membrane treatment mechanism 3, a sea water thin membrane treatment mechanism 4 and a degassing mechanism 5 which are sequentially connected along the flowing direction of the percolate.
Referring to fig. 2, the liquid adding tank 1 is a tank body capable of storing percolate to perform PH adjustment on the percolate, a PH sensor 11 for detecting the PH value of the percolate is installed on the inner wall of the liquid adding tank 1, a dosing pipe 12 for circulating a PH adjuster is communicated with the bottom surface of the liquid adding tank 1, a pneumatic ball valve 13 is installed at the tail end of the dosing pipe 12 along the flowing direction of the PH adjuster, and the pneumatic ball valve 13 is electrically connected with a controller 14. Referring to fig. 1, a dosing water tank 1 is connected with a sand filter tank 2 along the flow direction of percolate, the sand filter tank 2 is connected with an air compressor 21 for sand filter cleaning, the sand filter tank 2 is connected with a cartridge filter 22 along the flow direction of percolate, and the cartridge filter 22 comprises a filter element which is a PP melt-blown filter element.
The cartridge filter 22 is connected with a DTRO membrane treatment mechanism 3 along the flow direction of the percolate, and the DTRO membrane treatment mechanism 3 in the embodiment of the application comprises a high-pressure plunger pump connected with the cartridge filter 22 and a DTRO membrane column connected with the high-pressure plunger pump, wherein the percolate flows to the DTRO membrane column through the conveying of the high-pressure plunger pump so as to remove various organic matters and inorganic matters, and permeate and concentrate are formed. The DTRO membrane column is connected with a sea-light membrane treatment mechanism 4 along the flowing direction of the permeate formed by the permeate passing through the DTRO membrane column. The sea water thin film treatment mechanism 4 in the embodiment of the application comprises a sea water thin film device 41 connected with a DTRO (digital reverse osmosis) film column along the flowing direction of permeate liquid, wherein the sea water thin film device 41 is connected with a vertical centrifugal pump for pressurizing, the sea water thin film device 41 is communicated with a vertically arranged pipeline, and a float flowmeter 43 for measuring the flow of the permeate liquid in the sea water thin film device 41 is arranged at the top of the pipeline far away from the sea water thin film device 41.
The sea-thin film device 41 is connected with a core filter 42 along the flowing direction of the permeate, the core filter 42 is connected with a degassing mechanism 5 along the flowing direction of the permeate, the degassing mechanism 5 in the embodiment of the application comprises a spray tower, the permeate is subjected to carbon dioxide removal through the spray tower to ensure PH within a dischargeable range, and the spray tower is connected with a Roots blower for supplying air to the spray tower.
The implementation principle of the integrated percolate treatment equipment with the separation membrane provided by the embodiment of the application is as follows: the raw percolate enters the liquid adding tank 1, an operator observes the numerical change of the PH sensor 11, the PH regulator enters the liquid adding tank 1 along the medicine adding pipe 12 through the controller 14 or the pneumatic ball valve 13 to regulate the PH of the raw percolate, and the pneumatic ball valve 13 is closed when the raw percolate is slightly acidic.
The percolate continuously flows through the sand filtration tank 2, the cartridge filter 22, the high-pressure plunger pump, the DTRO membrane column, the sea light membrane device 41, the core filter 42 and the spray tower in sequence, the flow of the percolate treatment is completed, and the problem that when the salinity of the garbage percolate is high, the conventional percolate treatment method is difficult to enable the treated garbage percolate to meet the discharge requirement is solved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (3)
1. An integrated percolate treatment device comprising a separation membrane, characterized in that: the device comprises a pretreatment device for adjusting the PH of percolate, wherein the pretreatment device is connected with a sand filtration mechanism along the flowing direction of the percolate, the sand filtration mechanism is connected with a DTRO membrane treatment mechanism (3), the DTRO membrane treatment mechanism (3) is connected with a sea-light membrane treatment mechanism (4), and the sea-light membrane treatment mechanism (4) is connected with a degassing mechanism (5);
the sand filtering mechanism comprises a sand filtering tank (2) and an air compressor (21) connected with the sand filtering tank (2);
a security filter (22) is connected between the sand filtration tank (2) and the DTRO membrane treatment mechanism (3);
the cartridge filter (22) comprises a filter element which is a PP melt-blown filter element;
a core filter (42) is connected between the sea-thin film treatment mechanism (4) and the degassing mechanism (5);
the pretreatment device is a dosing tank (1), a PH sensor (11) is arranged in the dosing tank, a dosing pipe (12) for circulating a PH regulator is communicated with the dosing tank (1), a valve is arranged at the tail end of the dosing pipe (12) along the flowing direction of the PH regulator, and a controller (14) is electrically connected with the valve.
2. An integrated percolate treatment apparatus comprising a separation membrane according to claim 1, characterized in that: the valve is a pneumatic ball valve (13).
3. An integrated percolate treatment apparatus comprising a separation membrane according to claim 1, characterized in that: the sea water thin film treatment mechanism (4) comprises a sea water thin film device (41), and a float flowmeter (43) for measuring the flow of percolate in the sea water thin film device (41) is arranged on the sea water thin film device (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223507428.4U CN219384930U (en) | 2022-12-26 | 2022-12-26 | Integrated percolate treatment equipment with separation membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223507428.4U CN219384930U (en) | 2022-12-26 | 2022-12-26 | Integrated percolate treatment equipment with separation membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219384930U true CN219384930U (en) | 2023-07-21 |
Family
ID=87188257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223507428.4U Active CN219384930U (en) | 2022-12-26 | 2022-12-26 | Integrated percolate treatment equipment with separation membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219384930U (en) |
-
2022
- 2022-12-26 CN CN202223507428.4U patent/CN219384930U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523888 building 6, No. 5, Weifeng Road, Dongcheng Street, Dongguan City, Guangdong Province Patentee after: Guangdong Taiquan Technology Co.,Ltd. Country or region after: China Address before: 523888 building 6, No. 5, Weifeng Road, Dongcheng Street, Dongguan City, Guangdong Province Patentee before: GUANGDONG TAIQUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |