CN215712219U - DTRO + SWRO device for treating landfill leachate - Google Patents
DTRO + SWRO device for treating landfill leachate Download PDFInfo
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- CN215712219U CN215712219U CN202121204255.1U CN202121204255U CN215712219U CN 215712219 U CN215712219 U CN 215712219U CN 202121204255 U CN202121204255 U CN 202121204255U CN 215712219 U CN215712219 U CN 215712219U
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Abstract
The utility model discloses a DTRO + SWRO device for treating landfill leachate, which comprises: the device comprises a raw water tank, a raw liquid vertical centrifugal pump is arranged at a liquid outlet of the raw water tank, a pneumatic diaphragm valve is connected to one end of the raw water tank, and the output end of the pneumatic diaphragm valve is in butt joint with a sand filtration backwashing pump; the top end of the sand filtering tank is connected with the stock solution vertical centrifugal pump; and one end of the filter element filter is connected with the liquid outlet end of the sand filtering tank. This a DTRO + SWRO device for handling landfill leachate, the inlet end before liquid outlet end and the second grade high-pressure pump of sand filtration jar is connected and is got into filter core filter, make the middle fluid-discharge tube evacuation of filter core filter wash sewage, guarantee the quality of water of the device play water, and the drain pipe of one-level DTRO membrane post is connected the second grade SWRO membrane post, second grade SWRO membrane post drain pipe gets into the degasser tower, the clear water jar that gets into is connected to the degasser tower, thereby make things convenient for the device to carry out delicate filtration treatment through setting up of membrane element.
Description
Technical Field
The utility model relates to the technical field of garbage treatment, in particular to a DTRO + SWRO device for treating garbage leachate.
Background
During the transportation, stacking and landfill of the garbage, various metabolites and moisture are generated due to anaerobic fermentation, organic matter decomposition, rainwater leaching, underground water soaking and the like, and high-concentration organic wastewater, namely garbage leachate with extremely complex components is formed; at present, most of the devices are not developed and treated in a targeted way aiming at the landfill leachate of the transfer station, and most of the devices are used or reloaded for treating the landfill leachate, and the pretreatment and chemical treatment process is adopted under general conditions. Considering that the small and medium-sized garbage compression stations occupy small areas and cannot make sufficient land for ground buildings of chemical treatment processes, and the chemical method has complex operation and high quality requirements on operators, the container type equipment has the advantages of small occupied area, mobility, intermittent operation, high automation degree, easiness in maintenance and management and many types of film products.
The DTRO + SWRO device for the treatment of landfill leachate still exists when in use: the DTRO + SWRO device for treating the landfill leachate is difficult to ensure the water quality of effluent, and the DTRO + SWRO device for treating the landfill leachate is inconvenient to carry out precise filtration treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a DTRO + SWRO device for treating landfill leachate, which solves the problems that the DTRO + SWRO device for treating the landfill leachate proposed by the background art is difficult to ensure the quality of effluent and the DTRO + SWRO device for treating the landfill leachate is inconvenient to carry out precise filtration treatment.
In order to achieve the purpose, the utility model provides the following technical scheme: a DTRO + SWRO device for treating landfill leachate, comprising:
the device comprises a raw water tank, a raw liquid vertical centrifugal pump is arranged at a liquid outlet of the raw water tank, a pneumatic diaphragm valve is connected to one end of the raw water tank, and the output end of the pneumatic diaphragm valve is in butt joint with a sand filtration backwashing pump;
the top end of the sand filter tank is connected with the stock solution vertical centrifugal pump, and one side of the sand filter tank is provided with a roots blower;
one end of the filter element filter is connected with the liquid outlet end of the sand filter tank;
the output end of the primary membrane scale inhibitor metering pump is butted with the input end of the sand filter tank, and the input end of the primary membrane scale inhibitor metering pump is inserted into the primary membrane scale inhibitor metering box;
the output end of the second-stage high-pressure pump is connected with the liquid inlet end of the filter element filter, the input end of the second-stage high-pressure pump is connected with the second-stage membrane scale inhibitor metering pump, and the input end of the second-stage membrane scale inhibitor metering pump is inserted into the inner part of the second-stage membrane scale inhibitor metering tank.
Preferably, the top of the raw water tank is connected with a cloth bag filter through a pipeline, the input end of the cloth bag filter is connected with a lifting pump, the lifting pump is installed inside the adjusting tank, and sewage inside the adjusting tank can be circulated into the raw water tank through the lifting pump for retreatment.
Preferably, the liquid outlet end of the filter element filter is connected with a first-stage high-pressure pump, the first-stage high-pressure pump is connected with the liquid inlet end of the first-stage DTRO membrane column, the concentrated liquid outlet of the first-stage DTRO membrane column is connected with an online pump, an energy accumulator and a safety valve are further arranged on a pipeline between the filter element filter and the first-stage DTRO membrane column, and safety maintenance can be carried out between the filter element filter and the first-stage DTRO membrane column through the safety valve.
Preferably, the drain pipe of one-level DTRO membrane column is connected with second grade SWRO membrane column, and the drain pipe and the degasification tower of second grade SWRO membrane column dock, make things convenient for the device to carry out accurate filtration through setting up of membrane element.
Preferably, the degassing column is further provided with:
the high-pressure centrifugal fan is arranged on one side of the degassing tower and used for blowing air to the degassing tower, so that the gas discharged from the degassing tower is led out;
the clear water tank is butted with the liquid outlet end of the degassing tower through a pipeline;
the input end of the clear water vertical centrifugal pump is connected with the bottom end of the clear water tank.
Preferably, the liquid inlet end of the clean water tank is connected with an alkali metering pump, the input end of the alkali metering pump is inserted into the alkali metering tank, and the alkali liquid medicine in the alkali metering tank can be added by the alkali metering pump.
Preferably, the feed liquor end of former water pitcher is connected with the acid metering pump, and the input and the sour batch meter through connection of acid metering pump, can accomplish the operation of adding acid with the acid liquid medicine of acid metering tank leading-in to former water pitcher in through the acid metering pump.
Preferably, the one end of pneumatic diaphragm valve is connected with the output that washs the water tank, install the first barrel pump of inserting on the pipeline of washing water tank one side, and the first barrel pump of inserting is connected with cleaner A jar, install the second on the pipeline of washing water tank opposite side and insert the barrel pump, and the second inserts the barrel pump and is connected with cleaner C jar for accomplish the cleaning operation in leading-in former water pitcher, concentrate pond and the equalizing basin respectively of cleaner in the washing water tank.
Preferably, the one end of wasing the water tank is connected with the concentrate pond, and has docked concentrated water ratio control valve on wasing the pipeline between water tank and the concentrate pond to one side of concentrated water ratio control valve is parallelly connected and is provided with electronic high pressure ball valve, through docking concentrated water ratio control valve on wasing the pipeline between water tank and the concentrate pond, makes concentrated water ratio control valve accomplish the control between wasing water tank and the concentrate pond.
Compared with the prior art, the utility model has the beneficial effects that: this a DTRO + SWRO device for handling landfill leachate, the inlet end before liquid outlet end and the second grade high-pressure pump of sand filtration jar is connected and is got into filter core filter, make the middle fluid-discharge tube evacuation of filter core filter wash sewage, guarantee the quality of water of the device play water, and the drain pipe of one-level DTRO membrane post is connected the second grade SWRO membrane post, second grade SWRO membrane post drain pipe gets into the degasser tower, the clear water jar that gets into is connected to the degasser tower, thereby make things convenient for the device to carry out delicate filtration treatment through setting up of membrane element.
1. According to the DTRO + SWRO device for treating the landfill leachate, when sewage is discharged, the primary membrane scale inhibitor metering tank and the secondary membrane scale inhibitor metering tank are respectively connected to the liquid outlet end of the sand filter tank and the liquid inlet end in front of the secondary high-pressure pump through the primary membrane scale inhibitor metering pump and the secondary membrane scale inhibitor metering pump, and then enter the filter element filter, so that a middle liquid discharge pipe of the filter element filter is emptied of cleaning sewage, and the water quality of the effluent of the device is ensured;
2. this a DTRO + SWRO device for handling landfill leachate, go out the liquid end with the filter core filter and be connected to one-level DTRO membrane column and concentrate exit linkage on-line pump via one-level high-pressure pump, connect second grade SWRO membrane column behind the drain pipe of one-level DTRO membrane column, second grade SWRO membrane column drain pipe gets into the degasser tower, the degasser tower is connected and is got into the clear water jar, the degasser tower below is equipped with high-pressure centrifugal fan, thereby make clear water vertical centrifugal pump export the clear water jar and see through the liquid, make things convenient for the device to carry out delicate filtration treatment through setting up of membrane element.
Drawings
FIG. 1 is a schematic view of the flow structure of the present invention;
FIG. 2 is a schematic view of the dosing process of the present invention;
FIG. 3 is a schematic view of the sewage discharge process of the present invention;
FIG. 4 is a schematic view of the process of clean water discharge according to the present invention.
In the figure: 1. a raw water tank; 2. a stock solution vertical centrifugal pump; 3. a pneumatic diaphragm valve; 4. a sand filtration backwash pump; 5. a Roots blower; 6. a sand filtration tank; 7. a cloth bag filter; 8. a cartridge filter; 9. a lift pump; 10. a first stage high pressure pump; 11. an online pump; 12. a primary DTRO membrane column; 13. a concentrated water proportion regulating valve; 14. an electric high-pressure ball valve; 15. a concentrated solution pool; 16. a cleaning agent tank A; 17. a cleaning agent C tank; 18. a first barrel insertion pump; 19. cleaning the water tank; 20. a second stage high pressure pump; 21. a secondary SWRO membrane column; 22. a high pressure centrifugal ventilator; 23. a clean water tank; 24. clear water vertical centrifugal pump; 25. a secondary membrane scale inhibitor metering box; 26. a first-stage membrane scale inhibitor metering box; 27. an alkali batch meter; 28. an acid metering tank; 29. a degassing tower; 30. a regulating tank; 31. an acid metering pump; 32. an alkaline dosing pump; 33. a first-level membrane scale inhibitor metering pump; 34. a second-level membrane scale inhibitor metering pump; 35. a second barrel insertion pump; 36. an accumulator; 37. a safety valve.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a DTRO + SWRO device for treating landfill leachate, comprising: a raw water tank 1, a raw liquid vertical centrifugal pump 2 is arranged at the liquid outlet of the raw water tank 1, one end of the raw water tank 1 is connected with a pneumatic diaphragm valve 3, the output end of the pneumatic diaphragm valve 3 is butted with a sand filtration backwashing pump 4 and a sand filtration tank 6, the top end of the pneumatic diaphragm valve is connected with the raw liquid vertical centrifugal pump 2, one side of the sand filtering tank 6 is provided with a Roots blower 5 and a filter element filter 8, one end of the Roots blower and the filter element filter is connected with the liquid outlet end of the sand filtering tank 6, the output end of the primary membrane scale inhibitor metering pump 33 is butted with the input end of the sand filtering tank 6, the input end of a first-stage membrane scale inhibitor metering pump 33 is inserted into the first-stage membrane scale inhibitor metering tank 26, the output end of a second-stage high-pressure pump 20 is connected with the liquid inlet end of the filter element filter 8, and the input end of the secondary high-pressure pump 20 is connected with the secondary membrane scale inhibitor metering pump 34, and the input end of the secondary membrane scale inhibitor metering pump 34 is inserted into the secondary membrane scale inhibitor metering tank 25.
The top of the raw water tank 1 is connected with a cloth bag filter 7 through a pipeline, the input end of the cloth bag filter 7 is connected with a lift pump 9, and the lift pump 9 is installed inside the regulating tank 30.
The lift pump 9 introduces the sewage treated in the regulating reservoir 30 into the raw water tank 1 via the cloth filter 7, so that the sewage in the regulating reservoir 30 is circulated into the raw water tank 1 for retreatment.
The liquid outlet end of the filter element filter 8 is connected with a first-stage high-pressure pump 10, the first-stage high-pressure pump 10 is connected with the liquid inlet end of a first-stage DTRO membrane column 12, the concentrated liquid outlet of the first-stage DTRO membrane column 12 is connected with an online pump 11, and an energy accumulator 36 and a safety valve 37 are further arranged on a pipeline between the filter element filter 8 and the first-stage DTRO membrane column 12; the liquid outlet pipe of the primary DTRO membrane column 12 is connected with a secondary SWRO membrane column 21, and the liquid outlet pipe of the secondary SWRO membrane column 21 is butted with a degassing tower 29; the degassing tower 29 is also provided with: a high pressure centrifugal fan 22 installed at one side of the degassing tower 29, and the high pressure centrifugal fan 22 blows air to the degassing tower 29; the clean water tank 23 is butted with the liquid outlet end of the degassing tower 29 through a pipeline; the input end of the clear water vertical centrifugal pump 24 is connected with the bottom end of the clear water tank 23; the liquid inlet end of the clean water tank 23 is connected with an alkali metering pump 32, and the input end of the alkali metering pump 32 is inserted into the alkali metering tank 27.
The liquid outlet end of the filter element filter 8 is connected to a first-stage DTRO membrane column 12 through a first-stage high-pressure pump 10 and an online pump 11 for connecting a concentrated liquid outlet, a second-stage SWRO membrane column 21 is connected behind the liquid outlet pipe of the first-stage DTRO membrane column 12, the liquid outlet pipe of the second-stage SWRO membrane column 21 enters a degassing tower 29, the degassing tower 29 is connected to enter a clear water tank 23, and a high-pressure centrifugal fan 22 is arranged below the degassing tower 29, so that the clear water vertical centrifugal pump 24 outputs permeation liquid to the clear water tank 23.
The liquid inlet end of the raw water tank 1 is connected with an acid metering pump 31, and the input end of the acid metering pump 31 is in through connection with the acid metering tank 28.
The acid metering pump 31 introduces the acidic liquid medicine in the acid metering tank 28 into the raw water tank 1 to complete the acid adding operation.
One end of the pneumatic diaphragm valve 3 is connected with the output end of the cleaning water tank 19, a first barrel inserting pump 18 is installed on a pipeline on one side of the cleaning water tank 19, the first barrel inserting pump 18 is connected with the cleaning agent A tank 16, a second barrel inserting pump 35 is installed on a pipeline on the other side of the cleaning water tank 19, and the second barrel inserting pump 35 is connected with the cleaning agent C tank 17; one end of the cleaning water tank 19 is connected with a concentrated solution pool 15, a concentrated water proportion adjusting valve 13 is butted on a pipeline between the cleaning water tank 19 and the concentrated solution pool 15, and an electric high-pressure ball valve 14 is arranged on one side of the concentrated water proportion adjusting valve 13 in parallel.
When the raw water tank 1, the concentrated solution tank 15 and the adjusting tank 30 need to be cleaned, the cleaning agent in the cleaning water tank 19 is respectively led into the raw water tank 1, the concentrated solution tank 15 and the adjusting tank 30 to complete the cleaning operation.
The working principle is as follows: when the DTRO and SWRO device for treating landfill leachate is used, firstly, 2 and 3 DTRO membrane columns 12 and two SWRO membrane columns 21 are respectively arranged, wherein the DTRO membrane columns 12 are connected in parallel on a pipeline, two pipelines of respective liquid inlet ends of the SWRO membrane columns 21 are sequentially connected in series, liquid outlet pipelines are connected in parallel, a liquid outlet of a raw water tank 1 is connected with a pneumatic diaphragm valve 3 at one side of a sand filtration tank 6 after an acid is added and a raw liquid vertical centrifugal pump 2 is stirred, meanwhile, a cleaning agent A tank 16 is connected with a first barrel insertion pump 18, a cleaning agent C tank 17 is connected with a second barrel insertion pump 35, the cleaning agent A tank 16 and the cleaning agent C tank 17 are respectively connected with a cleaning water tank 19 through the first barrel insertion pump 18 and the second barrel insertion pump 35 in a butt joint mode, so that the cleaning agent can be led into the cleaning water tank 19 under the required condition, and the water temperature is increased through a heater inside the cleaning water tank 19, the alkaline liquid medicine in the alkaline metering tank 27 is added into the clean water tank 23 through the alkaline metering pump 32, when sewage is discharged, the primary membrane scale inhibitor metering tank 26 and the secondary membrane scale inhibitor metering tank 25 are respectively connected to the liquid outlet end of the sand filter tank 6 and the liquid inlet end in front of the secondary high-pressure pump 20 through the primary membrane scale inhibitor metering pump 33 and the secondary membrane scale inhibitor metering pump 34, and then enter the filter element filter 8, so that the middle liquid discharge pipe of the filter element filter 8 is emptied of cleaning sewage, and the content which is not described in detail in the description belongs to the prior art which is well known by persons skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (9)
1. A DTRO + SWRO device for treating landfill leachate, comprising:
the device comprises a raw water tank (1), wherein a raw liquid vertical centrifugal pump (2) is arranged at a liquid outlet of the raw water tank (1), one end of the raw water tank (1) is connected with a pneumatic diaphragm valve (3), and the output end of the pneumatic diaphragm valve (3) is butted with a sand filtration backwashing pump (4);
the top end of the sand filtering tank (6) is connected with the stock solution vertical centrifugal pump (2), and one side of the sand filtering tank (6) is provided with a roots blower (5);
one end of the filter element filter (8) is connected with the liquid outlet end of the sand filtering tank (6);
the output end of the primary membrane scale inhibitor metering pump (33) is butted with the input end of the sand filter tank (6), and the input end of the primary membrane scale inhibitor metering pump (33) is inserted into the primary membrane scale inhibitor metering tank (26);
the output end of the second-stage high-pressure pump (20) is connected with the liquid inlet end of the filter element filter (8), the input end of the second-stage high-pressure pump (20) is connected with the second-stage membrane scale inhibitor metering pump (34), and the input end of the second-stage membrane scale inhibitor metering pump (34) is inserted into the inner part of the second-stage membrane scale inhibitor metering tank (25).
2. The DTRO + SWRO device for landfill leachate according to claim 1, wherein: the top of the raw water tank (1) is connected with a cloth bag filter (7) through a pipeline, the input end of the cloth bag filter (7) is connected with a lift pump (9), and the lift pump (9) is installed inside the adjusting tank (30).
3. The DTRO + SWRO device for landfill leachate according to claim 1, wherein: the liquid outlet end of the filter element filter (8) is connected with a first-stage high-pressure pump (10), the first-stage high-pressure pump (10) is connected with the liquid inlet end of a first-stage DTRO membrane column (12), the concentrated liquid outlet of the first-stage DTRO membrane column (12) is connected with an online pump (11), and an energy accumulator (36) and a safety valve (37) are further arranged on a pipeline between the filter element filter (8) and the first-stage DTRO membrane column (12).
4. The DTRO + SWRO device for the treatment of landfill leachate according to claim 3, wherein: the liquid outlet pipe of one-level DTRO membrane column (12) is connected with second grade SWRO membrane column (21), and the liquid outlet pipe and degasification tower (29) of second grade SWRO membrane column (21) dock.
5. The DTRO + SWRO device for the treatment of landfill leachate according to claim 4, wherein: the degassing column (29) is further provided with:
the high-pressure centrifugal fan (22) is arranged on one side of the degassing tower (29), and the high-pressure centrifugal fan (22) blows air to the degassing tower (29);
the clean water tank (23) is butted with the liquid outlet end of the degassing tower (29) through a pipeline;
and the input end of the clear water vertical centrifugal pump (24) is connected with the bottom end of the clear water tank (23).
6. The DTRO + SWRO device for the treatment of landfill leachate of claim 5, wherein: the liquid inlet end of the clean water tank (23) is connected with an alkali metering pump (32), and the input end of the alkali metering pump (32) is inserted into the alkali metering tank (27).
7. The DTRO + SWRO device for landfill leachate according to claim 1, wherein: the liquid inlet end of the raw water tank (1) is connected with an acid metering pump (31), and the input end of the acid metering pump (31) is in through connection with an acid metering tank (28).
8. The DTRO + SWRO device for landfill leachate according to claim 1, wherein: the one end of pneumatic diaphragm valve (3) is connected with the output of wasing water tank (19), install on the pipeline of wasing water tank (19) one side first insert barrel pump (18), and first insert barrel pump (18) and be connected with cleaner A jar (16), install the second on the pipeline of wasing water tank (19) opposite side and insert barrel pump (35), and the second inserts barrel pump (35) and is connected with cleaner C jar (17).
9. The DTRO + SWRO device for landfill leachate according to claim 8, wherein: the concentrated solution pond (15) is connected with to the one end of wasing water tank (19), and has docked concentrated water ratio control valve (13) on wasing the pipeline between water tank (19) and concentrated solution pond (15) to one side of concentrated water ratio control valve (13) is parallelly connected and is provided with electronic high-pressure ball valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121204255.1U CN215712219U (en) | 2021-05-31 | 2021-05-31 | DTRO + SWRO device for treating landfill leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121204255.1U CN215712219U (en) | 2021-05-31 | 2021-05-31 | DTRO + SWRO device for treating landfill leachate |
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| Publication Number | Publication Date |
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| CN215712219U true CN215712219U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121204255.1U Active CN215712219U (en) | 2021-05-31 | 2021-05-31 | DTRO + SWRO device for treating landfill leachate |
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| CN (1) | CN215712219U (en) |
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- 2021-05-31 CN CN202121204255.1U patent/CN215712219U/en active Active
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