CN212770196U - Integral type landfill leachate treatment facility - Google Patents
Integral type landfill leachate treatment facility Download PDFInfo
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- CN212770196U CN212770196U CN202021182949.5U CN202021182949U CN212770196U CN 212770196 U CN212770196 U CN 212770196U CN 202021182949 U CN202021182949 U CN 202021182949U CN 212770196 U CN212770196 U CN 212770196U
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Abstract
The utility model discloses an integral type landfill leachate treatment facility, including adjusting the water pitcher, the strand-changing microstrainer, pipeline, sulphuric acid supply apparatus, antisludging agent supply apparatus and DTRO membrane module, filtration liquid supply apparatus and sulphuric acid supply apparatus all with adjust the water pitcher inner chamber intercommunication, adjust the output and the strand-changing microstrainer intercommunication of water pitcher, the input intercommunication of pipeline and DTRO membrane module is passed through to the output of strand-changing microstrainer, antisludging agent supply apparatus's output and pipeline inner chamber intercommunication, the dense water output and the landfill yard intercommunication of DTRO membrane module. The utility model provides an integral type landfill leachate treatment facility, area is little, and the treatment effeciency is high, and it is convenient to maintain.
Description
Technical Field
The utility model relates to a sewage treatment field especially relates to integral type landfill leachate treatment facility.
Background
The landfill leachate is high-concentration organic wastewater which is formed by deducting the saturated water holding capacity of garbage and a soil covering layer from water contained in the garbage in a garbage landfill, rain, snow and water entering the landfill and other water and passing through the garbage layer and the soil covering layer. If any landfill leachate is discharged at will, the surrounding farmland and water systems are seriously polluted, particularly underground water or surrounding environment pollution is caused, and the consequences are serious. The existing method for treating the landfill leachate mostly adopts a biochemical treatment tank, and the method has the disadvantages of large occupied area, slow treatment and inconvenient maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integral type landfill leachate treatment facility, area is little, and the treatment effeciency is high, and it is convenient to maintain.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses an integrated landfill leachate treatment facility, including adjusting water pitcher, commentaries on classics gang microstrainer, pipeline, sulphuric acid supply apparatus, antisludging agent supply apparatus and DTRO membrane module, filtration liquid supply apparatus with sulphuric acid supply apparatus all with adjust the water pitcher inner chamber intercommunication, the output of adjusting the water pitcher with commentaries on classics gang microstrainer intercommunication, the output of commentaries on classics gang microstrainer pass through pipeline with the input of DTRO membrane module intercommunication, the output of antisludging agent supply apparatus with the pipeline inner chamber intercommunication, the dense water output of DTRO membrane module communicates with landfill;
the sulfuric acid supply equipment is used for supplying sulfuric acid into the adjusting water tank so as to adjust the pH value of the landfill leachate in the adjusting water tank;
the rotary-strand micro-filter is used for removing suspended solids in the landfill leachate entering the rotary-strand micro-filter;
the scale inhibitor supply equipment is used for supplying scale inhibitors into the conveying pipeline;
the DTRO membrane assembly is used for separating the garbage percolate entering the DTRO membrane assembly into concentrated solution recharging the garbage landfill through the concentrated water output end of the DTRO membrane assembly and permeate flowing out through the water production output end of the DTRO membrane assembly.
The utility model has the advantages that: the rotary strand micro-filter is adopted to filter solid suspended matters, and compared with the existing filtering equipment such as sand filtration and the like, the rotary strand micro-filter does not need back flushing cleaning and is simple and convenient to maintain; the method is characterized in that the waste leachate is treated by the DTRO membrane module, pure physical separation is realized, compared with biochemical treatment, the occupied area is small, the treatment efficiency is high, the impact load resistance is high, the influence of fluctuation of inlet water quality is small, reconstruction and expansion are easy, and maintenance and management are convenient.
Furthermore, the DTRO membrane assembly comprises a primary DTRO membrane assembly and a secondary DTRO membrane assembly, the output end of the conveying pipeline is communicated with the input end of the primary DTRO membrane assembly, the concentrated water output end of the primary DTRO membrane assembly is communicated with a refuse landfill, the concentrated liquid flowing out through the concentrated water output end of the primary DTRO membrane assembly is recharged to the refuse landfill, the water production output end of the primary DTRO membrane assembly is communicated with the input end of the secondary DTRO membrane assembly, the concentrated water output end of the secondary DTRO membrane assembly is communicated with the input end of the primary DTRO membrane assembly, and the permeation liquid flows out from the water production output end of the secondary DTRO membrane assembly.
The beneficial effect of adopting the further scheme is that: the landfill leachate is treated by a two-stage DTRO membrane module, so that the water quality of the finally-flowing permeation liquid is ensured to reach the standard.
The system further comprises a circulating pump, wherein the input end of the circulating pump is communicated with the concentrated water output end of the first-stage DTRO membrane assembly, the output end of the circulating pump is communicated with the refuse landfill, and the circulating pump is used for pumping the concentrated solution flowing out of the concentrated water output end of the first-stage DTRO membrane assembly and recharging the concentrated solution into the refuse landfill.
The beneficial effect of adopting the further scheme is that: the landfill leachate concentration in the one-level DTRO membrane module is high, and the circulating pump is used for pumping, so that the inflow flow and the flow speed of the input end of the one-level DTRO membrane module can be improved, the landfill leachate flows through the membrane of the one-level DTRO membrane module at high flow and high flow speed, and the membrane pollution is prevented.
Further, a first high-pressure pump is arranged on the conveying pipeline, the first high-pressure pump is arranged between the scale inhibitor supply device and the input end of the primary DTRO membrane assembly, a first damper is arranged between the first high-pressure pump and the input end of the primary DTRO membrane assembly, a second high-pressure pump is arranged between the water production output end of the primary DTRO membrane assembly and the input end of the secondary DTRO membrane assembly, and a second damper is arranged between the second high-pressure pump and the input end of the secondary DTRO membrane assembly.
The beneficial effect of adopting the further scheme is that: the flow, flow speed, pressure and stability of the inlet water of the first-stage DTRO membrane module and the second-stage DTRO membrane module are ensured.
The cleaning device is used for supplying cleaning water into the DTRO membrane module to clean the DTRO membrane module.
The beneficial effect of adopting the further scheme is that: the maintenance and the cleaning of the DTRO membrane component are convenient, the treatment efficiency of the landfill leachate is ensured, and the service life of the equipment is prolonged.
Further, the sulfuric acid supply equipment comprises a sulfuric acid storage tank and a first metering pump, the output end of the sulfuric acid storage tank is communicated with the input end of the first metering pump, and the output end of the first metering pump is communicated with the inner cavity of the regulating water tank.
The beneficial effect of adopting the further scheme is that: the sulfuric acid is conveniently added into the adjusting water tank, the amount of the sulfuric acid added into the adjusting water tank can be controlled, and the adjusting water tank is guaranteed to be slightly acidic easily.
Furthermore, the antisludging agent supply equipment comprises an antisludging agent storage tank and a second metering pump, wherein the output end of the antisludging agent storage tank is communicated with the input end of the second metering pump, and the output end of the second metering pump is communicated with the inner cavity of the conveying pipeline.
The beneficial effect of adopting the further scheme is that: the scale inhibitor can be conveniently added into the conveying pipeline, the amount of the scale inhibitor added into the conveying pipeline can be controlled, and waste caused by excessive addition is avoided.
Furthermore, a stirring device is arranged in the adjusting water tank.
The beneficial effect of adopting the further scheme is that: is favorable for fully mixing the landfill leachate in the adjusting water tank with the sulfuric acid.
Furthermore, the inner wall of the conveying pipeline is spiral, and the inner wall of the conveying pipeline is used for enabling the landfill leachate in the conveying pipeline to generate rotational flow.
The beneficial effect of adopting the further scheme is that: is beneficial to the full mixing of the landfill leachate in the conveying pipeline and the scale inhibitor.
The device further comprises a discharge water adjusting tank, a PH value detection device and an alkali supply device, wherein the water output end of the DTRO membrane assembly is communicated with the inner cavity of the discharge water adjusting tank, the PH value detection device is arranged in the discharge water adjusting tank, and the alkali supply device is communicated with the discharge water adjusting tank;
the permeate flowing out of the water production output end of the DTRO membrane module flows into the discharge water regulating tank;
the PH value detection device is used for detecting the PH value of the permeate liquid in the discharge water regulation tank;
the alkali supply device is used for supplying alkali into the discharge water regulating tank according to the data detected by the PH value detection device.
The beneficial effect of adopting the further scheme is that: can neutralize the acidic effluent water, and avoid that the effluent water is too acidic to meet the discharge standard due to the excessive addition of acid.
Drawings
Fig. 1 is a schematic connection diagram of an embodiment of the present invention;
FIG. 2 is a front view of an embodiment of a rotary microfilter;
FIG. 3 is a left side view of an embodiment of a rotary microfilter;
FIG. 4 is a top view of an embodiment of a rotary microfilter;
FIG. 5 is a cross-sectional view taken along the plane A-A in FIG. 4;
FIG. 6 is a schematic view of an embodiment of a filter drum;
FIG. 7 is a schematic view of an embodiment of a drum carcass;
in the figure: 1. a treatment tank; 11. a liquid inlet cavity; 12. a treatment chamber; 13. a liquid inlet; 14. a slag discharge port; 15. a liquid discharge port; 16. a partition plate; 17. a liquid passing port; 18. a slag passing hole; 19. a transparent viewing port; 2. a filter drum; 21. a rotating shaft; 22. a drive device; 23. a drum framework; 24. an arc-shaped filter screen plate; 25. an open end; 26. a connecting end; 3. a slag discharge guide plate; 4. a spray system; 5. an overflow pipe; 6. a liquid level meter;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses an embodiment of integral type landfill leachate treatment facility, including adjusting the water pitcher, the strand micro-filtration machine, pipeline, sulphuric acid supply apparatus, antisludging agent supply apparatus and DTRO membrane module, filtration liquid supply apparatus and sulphuric acid supply apparatus all communicate with the adjusting water pitcher inner chamber, the output and the strand micro-filtration machine intercommunication of adjusting the water pitcher, the output of strand micro-filtration machine passes through pipeline and the input of DTRO membrane module and communicates, the output and the pipeline inner chamber intercommunication of antisludging agent supply apparatus, the dense water output and the landfill yard intercommunication of DTRO membrane module;
the sulfuric acid supply device is used for supplying sulfuric acid into the adjusting water tank so as to adjust the pH value of the landfill leachate in the adjusting water tank;
the rotary-strand micro-filter is used for removing suspended solids in the landfill leachate entering the rotary-strand micro-filter;
the scale inhibitor supply equipment is used for supplying scale inhibitors into the conveying pipeline;
the DTRO membrane assembly is used for separating the garbage percolate entering the DTRO membrane assembly into concentrated solution recharging the garbage landfill through the concentrated water output end of the DTRO membrane assembly and permeate flowing out through the water production output end of the DTRO membrane assembly.
The leachate supply equipment comprises a landfill leachate adjusting tank and a pressure pump, wherein the landfill leachate adjusting tank is used for collecting, storing and adjusting landfill leachate, and the landfill leachate in the landfill leachate adjusting tank is pumped into an adjusting water tank through the pressure pump.
Specifically, sulphuric acid supply equipment includes sulphuric acid storage tank and first measuring pump, the output of sulphuric acid storage tank and the input intercommunication of first measuring pump, the output and the regulation water pitcher inner chamber intercommunication of first measuring pump, sulphuric acid storage tank is used for storing sulphuric acid solution, adjusts landfill leachate's pH value in the water pitcher through the first measuring pump with sulphuric acid solution pump in the sulphuric acid storage tank.
The scale inhibitor supply equipment comprises a scale inhibitor storage tank and a second metering pump, wherein the output end of the scale inhibitor storage tank is communicated with the input end of the second metering pump, the output end of the second metering pump is communicated with the inner cavity of the conveying pipeline, the scale inhibitor storage tank is used for storing scale inhibitors, and the scale inhibitors are pumped into the conveying pipeline through the second metering pump.
Specifically, the DTRO membrane assembly comprises a primary DTRO membrane assembly and a secondary DTRO membrane assembly, the output end of the conveying pipeline is communicated with the input end of the primary DTRO membrane assembly, the concentrated water output end of the primary DTRO membrane assembly is communicated with the refuse landfill, the concentrated liquid flowing out through the concentrated water output end of the primary DTRO membrane assembly is recharged to the refuse landfill, the water production output end of the primary DTRO membrane assembly is communicated with the input end of the secondary DTRO membrane assembly, the concentrated water output end of the secondary DTRO membrane assembly is communicated with the input end of the primary DTRO membrane assembly, and the permeate liquid flows out from the water production output end of the secondary DTRO membrane assembly.
As a further scheme of the above embodiment, the system further comprises a circulating pump, an input end of the circulating pump is communicated with a concentrate output end of the first-stage DTRO membrane module, an output end of the circulating pump is communicated with the refuse landfill, and the circulating pump is used for pumping the concentrate flowing out from the concentrate output end of the first-stage DTRO membrane module and recharging the concentrate into the refuse landfill.
As a further scheme of the above embodiment, a first high-pressure pump is arranged on the delivery pipeline, the first high-pressure pump is arranged between the scale inhibitor supply device and the input end of the first-stage DTRO membrane module, a first damper is arranged between the first high-pressure pump and the input end of the first-stage DTRO membrane module, the concentrated water output end of the second-stage DTRO membrane module is communicated with the delivery pipeline between the first high-pressure pump and the scale inhibitor supply device, a second high-pressure pump is arranged between the produced water output end of the first-stage DTRO membrane module and the input end of the second-stage DTRO membrane module, and a second damper is arranged between the second high-pressure pump and the input end of the second-.
As a further scheme of the above embodiment, the cleaning device further includes a cleaning device, an output end of the cleaning device is communicated with an input end of the DTRO membrane module, the cleaning device is communicated with a conveying pipeline between the first damper and the first-stage DTRO membrane module, the cleaning device is used for supplying cleaning water into the DTRO membrane module to clean the DTRO membrane module, the cleaning device includes a water tank and a water pump, the water tank is used for storing the cleaning water, an input end of the water pump is communicated with the water tank, an output end of the water pump is communicated with the conveying pipeline between the first damper and the first-stage DTRO membrane module, and the cleaning water supplied by the cleaning device sequentially passes through the first-.
As a further aspect of the above embodiment, the adjusting water tank has a stirring device therein, and the stirring device may be an existing spiral stirring device, a pneumatic stirring device, or the like.
As a further scheme of the above embodiment, the inner wall of the conveying pipeline is spiral, and the inner wall of the conveying pipeline is used for generating rotational flow of the landfill leachate therein, so that the liquid in the conveying pipeline is uniformly mixed.
As a further scheme of the embodiment, the device further comprises a discharge water adjusting tank, a pH value detection device and an alkali supply device, wherein a water production output end of the DTRO membrane module is communicated with an inner cavity of the discharge water adjusting tank, the pH value detection device is arranged in the discharge water adjusting tank, and the alkali supply device is communicated with the discharge water adjusting tank;
the permeate flowing out of the water production output end of the DTRO membrane module flows into a discharge water regulating tank;
the PH value detection device is used for detecting the PH value of the permeate liquid in the discharge water regulation tank;
the alkali supply device is used for supplying alkali to the discharge water regulating tank according to the data detected by the PH value detection device, and the supplied alkali can be sodium hydroxide solution.
The discharge water regulating tank is provided with a drainage system, and water in the discharge water regulating tank is discharged outside through the drainage system.
As a further solution of the above embodiment, the apparatus may further include a control device, the strand-rotating microfilter, the first metering pump, the second metering pump, the pressurizing pump, the water pump, the first high-pressure pump, the second high-pressure pump, the circulating pump, the stirring device, the PH value detecting device, and the alkali supplying device are all in communication with the control device and are controlled by the control device, the output end of the first metering pump, the output end of the second metering pump, the output end of the water pump, the output end of the first damper, the output end of the alkali supplying device, and the drainage system may be provided with valve switches, and all the valve switches may be in communication with the control device and are controlled by the control device.
Specifically, as shown in fig. 2-7, the strand-rotating microfilter may include a processing box 1, a filtering roller 2, a slag-discharging guide plate 3 and a spraying system 4, the processing box 1 may be a cube box made of 304 steel, the processing box 1 has a vertically disposed partition 16 therein, the partition 16 is parallel to the left side of the cube box, the partition 16 divides the inner cavity of the processing box 1 into a left liquid inlet cavity 11 and a right processing cavity 12, the liquid inlet cavity 11 has a liquid inlet 13 and a slag outlet 14, the liquid inlet 13 is communicated with the output end of the regulating water tank, the liquid inlet 13 may be disposed at the middle lower part or the lower part of the left side wall of the liquid inlet cavity 11, the bottom of the right side wall of the processing cavity 12 has a liquid outlet 15, the liquid outlet 15 is communicated with the input end of the conveying pipeline, the filtering roller 2 is horizontally disposed above the liquid outlet 15, the right end of the filtering roller 2 is a connecting end 26, the left end is an open end 25, the connecting end 26, the open end 25 faces the partition plate 16, the distance between the open end 25 and the partition plate 16 is smaller than the grain size of the dregs treated in the treatment box 1, the open end 25 can be in non-pressure contact with the partition plate 16 without influencing the rotation of the filter roller 2, the partition plate 16 is provided with a liquid passing port 17, the liquid passing port 17 is arranged in the horizontal projection of the open end 25, the lower edge of the liquid passing port 17 is tangent with the lower surface of the filter roller 2, the upper surfaces of the dreg discharging port 14 and the filter roller 2 are both above the liquid passing port 17, the dreg discharging guide plate 3 is obliquely arranged above the liquid passing port 17, the upper surface of the dreg discharging guide plate 3 can be a concave arc surface, the lower end of the dreg discharging guide plate 3 is connected with the dreg discharging port 14, the upper end of the dreg guide plate 3 passes through the partition plate 16 and then extends into the filter roller 2, the upper end of the dreg guide plate 3 can extend to be close to the connecting end 26, and the upper end of the dreg guide plate 3 can be, arrange sediment guide plate 3 and pass the department on baffle 16 and have and cross cinder notch 18, spraying system 4 sets up in treatment chamber 12 top, and spraying system 4 is towards the upper surface of filter cylinder 2, and filter cylinder 2 is used for filtering the dregs in the aquatic, and spraying system 4 is used for washing the adnexed dregs of filter cylinder 2 upper surface to arrange sediment guide plate 3 on, arranges sediment guide plate 3 and is used for carrying row cinder notch 14 with dregs on it.
The liquid accessible high-difference of adjusting in the jar automatically flows and gets into feed liquor chamber 11, also can set up the suction pump between adjusting water pitcher and inlet 13, through the suction pump with the liquid pump of adjusting in the jar into feed liquor chamber 11 in, the suction pump communicates and is controlled by controlgear with controlgear.
As a further scheme of the embodiment, the device further comprises a driving device 22, a rotating shaft 21 is coaxially and fixedly connected to the center of the connecting end 26 of the filtering roller 2, the rotating shaft 21 is rotatably connected to the side wall of the treatment cavity 12 far away from the liquid inlet cavity 11 and penetrates out of the treatment cavity 12, the connecting position of the rotating shaft 21 and the treatment cavity 12 is in sealing fit, the output end of the driving device 22 is in transmission connection with the rotating shaft 21 at the outer part of the treatment cavity 12, the driving device 22 is used for driving the rotating shaft 21 to drive the filtering roller 2 to rotate, the driving device 22 can be a planetary reducer, the driving device 22 can be in transmission connection with a transmission shaft through existing transmission structures such as gears, chains, transmission belts and combinations thereof, and the rotating speed of the filtering roller 2 driven by.
As a further scheme of the above embodiment, an overflow pipe 5 is fixedly connected in the liquid inlet cavity 11, and an input end of the overflow pipe 5 is positioned above the liquid passing port 17 and below the slag discharging port 14.
As a further version of the above embodiment, the outlet end of the overflow pipe 5 communicates with the lower part of the treatment chamber 12.
As a further scheme of the above embodiment, the upper part of the processing chamber 12 is provided with a transparent viewing port 19, the transparent viewing port 19 is arranged at the filtering roller 2 and the spraying system 4, and the transparent viewing port 19 is used for observing the working state of the filtering roller 2 and the spraying system 4.
As a further scheme of the above embodiment, a liquid level meter 6 is arranged in the liquid inlet cavity 11, the liquid level meter 6 is used for measuring the liquid level in the liquid inlet cavity 11, the liquid level meter 6 can be an ultrasonic liquid level meter 6, and the ultrasonic liquid level meter 6 can be installed at the top of the liquid inlet cavity 11.
As a further scheme of the above embodiment, the filter drum 2 comprises a drum framework 23 and an arc-shaped filter screen plate 24, the arc-shaped filter screen plate 24 is detachably connected with the side wall of the drum framework 23 and can be connected through bolts, buckles or other existing detachable connection modes, the arc-shaped filter screen plate 24 with the filter precision of 10 microns can be selected, the arc-shaped filter screen plate 24 with the suitable filter precision can be selected according to needs to be installed on the drum framework 23 to form the side surface of the filter drum 2, and both the arc-shaped filter screen plate 24 and the drum framework 23 can be made of high-strength stainless steel materials.
The control equipment is in signal communication with the spraying system 4, the liquid level meter 6 and the driving device 22, the control equipment controls the spraying system 4 and the driving device 22 to work, when the liquid level measured by the liquid level meter 6 is lower than the liquid passing port 17, the spraying system 4 and the driving device 22 stop working, and the control equipment can also control the amount of the garbage percolate supplied into the liquid inlet cavity 11 by the suction pump through the liquid level information collected by the liquid level meter 6.
As a further development of the above-described embodiment, the connecting end 26 of the filter drum 2 is a solid panel
Other existing devices can also be used for the strand-rotating microfilter.
Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides an integral type landfill leachate treatment facility which characterized in that: the device comprises a regulating water tank, a strand-turning micro-filter, a conveying pipeline, a sulfuric acid supply device, a scale inhibitor supply device and a DTRO membrane module, wherein the percolate supply device and the sulfuric acid supply device are communicated with an inner cavity of the regulating water tank, the output end of the regulating water tank is communicated with the strand-turning micro-filter, the output end of the strand-turning micro-filter is communicated with the input end of the DTRO membrane module through the conveying pipeline, the output end of the scale inhibitor supply device is communicated with the inner cavity of the conveying pipeline, and the concentrated water output end of the DTRO membrane module is communicated with a refuse landfill;
the sulfuric acid supply equipment is used for supplying sulfuric acid into the adjusting water tank so as to adjust the pH value of the landfill leachate in the adjusting water tank;
the rotary-strand micro-filter is used for removing suspended solids in the landfill leachate entering the rotary-strand micro-filter;
the scale inhibitor supply equipment is used for supplying scale inhibitors into the conveying pipeline;
the DTRO membrane assembly is used for separating the garbage percolate entering the DTRO membrane assembly into concentrated solution recharging the garbage landfill through the concentrated water output end of the DTRO membrane assembly and permeate flowing out through the water production output end of the DTRO membrane assembly.
2. The integrated landfill leachate treatment plant of claim 1, wherein: the DTRO membrane assembly comprises a primary DTRO membrane assembly and a secondary DTRO membrane assembly, the output end of the conveying pipeline is communicated with the input end of the primary DTRO membrane assembly, the concentrated water output end of the primary DTRO membrane assembly is communicated with a refuse landfill, the concentrated liquid flowing out through the concentrated water output end of the primary DTRO membrane assembly is returned to the refuse landfill, the water production output end of the primary DTRO membrane assembly is communicated with the input end of the secondary DTRO membrane assembly, the concentrated water output end of the secondary DTRO membrane assembly is communicated with the input end of the primary DTRO membrane assembly, and the permeate liquid flows out from the water production output end of the secondary DTRO membrane assembly.
3. The integrated landfill leachate treatment plant of claim 2, wherein: the system is characterized by further comprising a circulating pump, wherein the input end of the circulating pump is communicated with the concentrated water output end of the first-stage DTRO membrane assembly, the output end of the circulating pump is communicated with the refuse landfill, and the circulating pump is used for pumping the concentrated solution flowing out of the concentrated water output end of the first-stage DTRO membrane assembly and recharging the concentrated solution into the refuse landfill.
4. The integrated landfill leachate treatment plant of claim 2, wherein: the scale inhibitor delivery system is characterized in that a first high-pressure pump is arranged on the delivery pipeline, the first high-pressure pump is arranged between the scale inhibitor supply equipment and the input end of the primary DTRO membrane assembly, a first damper is arranged between the first high-pressure pump and the input end of the primary DTRO membrane assembly, a second high-pressure pump is arranged between the water production output end of the primary DTRO membrane assembly and the input end of the secondary DTRO membrane assembly, and a second damper is arranged between the second high-pressure pump and the input end of the secondary DTRO membrane assembly.
5. The integrated landfill leachate treatment plant of any one of claims 1 to 4, wherein: the cleaning device is used for supplying cleaning water into the DTRO membrane module to clean the DTRO membrane module.
6. The integrated landfill leachate treatment plant of any one of claims 1 to 4, wherein: the sulfuric acid supply equipment comprises a sulfuric acid storage tank and a first metering pump, wherein the output end of the sulfuric acid storage tank is communicated with the input end of the first metering pump, and the output end of the first metering pump is communicated with the inner cavity of the regulating water tank.
7. The integrated landfill leachate treatment plant of any one of claims 1 to 4, wherein: the scale inhibitor supply equipment comprises a scale inhibitor storage tank and a second metering pump, wherein the output end of the scale inhibitor storage tank is communicated with the input end of the second metering pump, and the output end of the second metering pump is communicated with the inner cavity of the conveying pipeline.
8. The integrated landfill leachate treatment plant of any one of claims 1 to 4, wherein: and the adjusting water tank is internally provided with a stirring device.
9. The integrated landfill leachate treatment plant of any one of claims 1 to 4, wherein: the inner wall of the conveying pipeline is spiral, and the inner wall of the conveying pipeline is used for enabling the landfill leachate in the conveying pipeline to generate rotational flow.
10. The integrated landfill leachate treatment plant of any one of claims 1 to 4, wherein: the device comprises a discharge water adjusting tank, a PH value detection device and an alkali supply device, wherein the water production output end of the DTRO membrane assembly is communicated with the inner cavity of the discharge water adjusting tank, the PH value detection device is arranged in the discharge water adjusting tank, and the alkali supply device is communicated with the discharge water adjusting tank;
the permeate flowing out of the water production output end of the DTRO membrane module flows into the discharge water regulating tank;
the PH value detection device is used for detecting the PH value of the permeate liquid in the discharge water regulation tank;
the alkali supply device is used for supplying alkali into the discharge water regulating tank according to the data detected by the PH value detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021182949.5U CN212770196U (en) | 2020-06-23 | 2020-06-23 | Integral type landfill leachate treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021182949.5U CN212770196U (en) | 2020-06-23 | 2020-06-23 | Integral type landfill leachate treatment facility |
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| CN212770196U true CN212770196U (en) | 2021-03-23 |
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| CN202021182949.5U Active CN212770196U (en) | 2020-06-23 | 2020-06-23 | Integral type landfill leachate treatment facility |
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