CN210796097U - Container formula landfill leachate processing system - Google Patents
Container formula landfill leachate processing system Download PDFInfo
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- CN210796097U CN210796097U CN201920806823.1U CN201920806823U CN210796097U CN 210796097 U CN210796097 U CN 210796097U CN 201920806823 U CN201920806823 U CN 201920806823U CN 210796097 U CN210796097 U CN 210796097U
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Abstract
The utility model relates to a container formula landfill leachate processing system, including the container and set up at the inboard former water tank of container, regulating box, tubular electro-fenton reactor, membrane biological reaction case, MBR membrane bioreactor, tubular milipore filter, first dish tubular reverse osmosis membrane equipment, second dish tubular reverse osmosis membrane equipment, clean aquatic products water pitcher, dense water production water pitcher, first dish tubular reverse osmosis membrane equipment still is connected with the cleaner jar through the centrifugal cleaning pump with the entry end of second dish tubular reverse osmosis membrane equipment. The utility model has simple structure and good treatment effect, improves the treatment effect of the landfill leachate through electrolytic flocculation and filtration concentration treatment, realizes the standard discharge of the leachate treatment, and not only saves a large amount of investment cost; in addition the utility model has the advantages of compact structure, degree of automation is high, take up an area of for a short time, and it is good to handle water quality, is suitable for direct placing in outdoor operations and portable emergency treatment, also is suitable for middle-size and small-size landfill leachate to handle, occasions such as emergency treatment.
Description
Technical Field
The utility model belongs to the technical field of the refuse treatment technique and specifically relates to a container formula landfill leachate processing system.
Background
The landfill leachate is high-concentration wastewater generated by landfill or stacking, the components of the garbage are complex and changeable, the property change range of the landfill leachate in each region is large, and the landfill leachate is influenced by various factors such as the types of landfills, landfill methods, the scale of landfill sites, landfill periods, weather changes and the like, and the water quality of the landfill leachate has the following characteristics:
(1) the pollutant components are complex, and the water quality fluctuation is large;
(2) the concentration of the organic matters is high, namely the concentration of COD (chemical oxygen demand) and BOD (biochemical oxygen demand or biochemical oxygen consumption) is high;
(3) the ammonia nitrogen concentration is high;
(4) the concentration and salt content of heavy metal ions are high.
In recent years, the landfill leachate treatment gradually forms a typical treatment process, and the landfill leachate treatment technical route generally adopts 'pretreatment + biochemical treatment + advanced treatment'. Wherein the pretreatment mainly comprises coagulating sedimentation, stripping, advanced oxidation treatment technology and the like; the biochemical treatment mainly aims at removing organic pollutants and ammonia nitrogen in the percolate, and mainly adopts an anaerobic and aerobic treatment method; the advanced treatment technology mainly aims at removing suspended matters, organic matters and colloid which are difficult to biodegrade and the like in the percolate, and generally adopts a physical and chemical method comprising the following steps: advanced oxidation technologies such as membrane technology, activated carbon adsorption technology, Fenton oxidation technology, electrochemical oxidation technology and the like.
In the membrane technology, a UF treatment system takes the pressure difference between two sides of a membrane as a driving force, an ultrafiltration membrane as a filter medium, and a raw liquid flows through the surface of the membrane under a certain pressure, wherein a plurality of fine micropores densely distributed on the surface of the ultrafiltration membrane only allow water and small molecular substances to pass through to form a permeate, and substances in the raw liquid, the volume of which is greater than the micropore diameter of the surface of the membrane, are retained on the liquid inlet side of the membrane to form a concentrated liquid, so that the purposes of purifying, separating and concentrating the raw liquid are achieved. About 60 hundred million micropores of 0.01 micron are arranged on the wall of the ultrafiltration membrane filament pipe with the length of each meter, the pore diameter of the ultrafiltration membrane filament pipe only allows water molecules, beneficial mineral substances and trace elements in water to pass through, and the volume of the minimum bacteria is more than 0.02 micron, so that the bacteria, colloid, rust, suspended matters, silt, macromolecular organic matters and the like which are much larger than the volume of the bacteria can be intercepted by the ultrafiltration membrane, and the purification process is realized.
The RO reverse osmosis system adopts a roll type organic composite membrane, under the action of pressure, water molecules permeate the reverse osmosis membrane, and impurities in water are intercepted by the reverse osmosis membrane and are carried out by concentrated water. The reverse osmosis technology can be used for effectively removing impurities such as macromolecular dissolved salt, colloid, bacteria, viruses, bacterial endotoxin, most organic matters and the like in water, the salt rejection rate of the system is generally more than 99%, and in addition, the system is simple to operate, stable to operate and low in energy consumption.
In the Fenton oxidation technology, the reaction principle of a tubular electro-Fenton treatment system is that a group of emitters controlled by a computer are arranged in an ion reaction chamber, and the electrocoagulation process is also carried out. After the wastewater to be treated is sent into the reaction chamber, an electrochemical reaction is induced to occur, so that a coagulation precipitate is generated; electrocoagulation can neutralize the charge on ions or particles to precipitate contaminants, is more effective than chemical methods in removing contaminants, and can eliminate or reduce the use of chemical agents (e.g., metal salts, polymers, etc.).
Among the current landfill leachate treatment facility, the filtration liquid treatment station meets emergency, if rainstorm, does not have nimble urgent processing scheme when the flood disaster, and current removal refuse treatment car intelligent degree is low moreover, and the operation degree of difficulty is big, handles the unstable quality of water, and quality of water is not up to standard.
Disclosure of Invention
Not enough to prior art, the utility model provides a container formula landfill leachate treatment system.
The technical scheme of the utility model is that: a container type landfill leachate treatment system comprises a container, and a raw water tank, a regulating tank, a tubular electro-Fenton reactor, a membrane biological reaction tank, an MBR membrane bioreactor, a tubular ultrafiltration membrane, a first disc tubular reverse osmosis membrane device, a second disc tubular reverse osmosis membrane device, a purified water tank and a concentrated water tank which are arranged on the inner side of the container, wherein the raw water tank is arranged on one side of the container, and is communicated with the regulating tank through a medium filter, and most suspended matters and oil in a penetrating fluid are removed through a multi-medium filter;
the membrane bioreactor is characterized in that a tubular electro-Fenton reactor is arranged on one side of the regulating box, the tubular electro-Fenton reactor is connected with a membrane bioreactor box, an MBR membrane bioreactor is arranged in the membrane bioreactor box, the MBR membrane bioreactor is connected with a tubular ultrafiltration membrane through a water inlet pump, the tubular ultrafiltration membrane is connected with a first disc tubular reverse osmosis membrane device through a first high-pressure pump, a concentrated water outlet of the first disc tubular reverse osmosis membrane device is connected with an inlet of the first high-pressure pump through a concentrated water pipe, a produced water outlet of the first disc tubular reverse osmosis membrane device is connected with an inlet of a second disc tubular reverse osmosis membrane device through a second high-pressure pump through a pipeline, a produced water outlet of the second disc tubular reverse osmosis membrane device is connected with a purified water producing tank, and a concentrated water outlet of the second disc tubular reverse osmosis membrane device is connected with a concentrated water producing tank through a concentrated water pipe, and the inlet ends of the first disc tubular reverse osmosis membrane device and the second disc tubular reverse osmosis membrane device are also connected with a cleaning agent tank through a cleaning centrifugal pump.
Further, the system still include mud filter-pressing equipment, mud filter-pressing equipment set up in the container outside, and the mud filter-pressing pass through the sludge pump and be connected with membrane biological reaction case, tubular milipore filter.
Furthermore, the system also comprises a scale inhibitor storage tank and a scale inhibitor metering pump, wherein the scale inhibitor storage tank is connected with the first high-pressure pump through the scale inhibitor metering pump, and the scale inhibitor metering pump is connected with the electric control system, so that the scaling phenomenon caused by high-power concentration of various insoluble sulfates and silicates in the membrane component is prevented, and the service life of the membrane is effectively prolonged.
Furthermore, the raw water tank is connected with a landfill leachate water storage tank through a water taking pump, and a filter screen is further arranged between the landfill leachate water storage tank and the water taking pump.
Furthermore, regulating box upper end still be provided with medicine jar a and dosing pump, medicine jar a be connected with the regulating box through dosing pump, through adding acid or alkali to the regulating box in, adjust the ph value of filtration liquid.
Furthermore, aeration pipelines are arranged on the inner side walls of the raw water tank and the adjusting tank and are connected with the air blower.
Furthermore, the adjusting box in still be provided with agitating unit, agitating unit including setting up the agitator motor in the adjusting box upper end to and set up in the adjusting box and the stirring rake of being connected with agitator motor.
Further, be provided with centrifugal pump assembly between regulating box and the tubular electro-Fenton reactor, centrifugal pump assembly includes two stop valves, centrifugal pump and check valve, two stop valve settings are in the centrifugal pump both ends, one is connected to check valve one end the stop valve.
Further, the tubular electro-Fenton reactor comprises a plurality of electro-Fenton reaction components which are connected in series.
Furthermore, the purified water production tank is also provided with a dosing device, the dosing device comprises a dosing tank b and a metering pump, the dosing tank b is connected with the purified water production tank through the metering pump, and the pH value of the purified water is adjusted by adding acid or alkali into the purified water production tank.
The utility model has the advantages that: the utility model has simple structure and good treatment effect, further improves the treatment effect of the garbage leachate through electrolytic flocculation and filtration concentration treatment, realizes the standard discharge of the leachate treatment, and not only saves a large amount of investment cost; in addition the utility model has the advantages of compact structure, degree of automation is high, take up an area of for a short time, and it is good to handle water quality, is suitable for direct placing in outdoor operations and portable emergency treatment, also is suitable for middle-size and small-size landfill leachate to handle, occasions such as emergency treatment.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure, 1-container, 2-raw water tank, 3-regulating box, 4-medium filter, 5-dosing tank a, 6-stirring motor, 7-stirring paddle, 8-tubular electro-Fenton reactor, 9-stop valve, 10-centrifugal pump, 11-check valve, 12-membrane biological reaction tank, 13-tubular ultrafiltration membrane, 14-first disk-tubular reverse osmosis membrane equipment, 15-second disk-tubular reverse osmosis membrane equipment, 16-purified water tank, 17-concentrated water production tank, 18-first high-pressure pump, 19-second high-pressure pump, 20-scale inhibitor storage tank, 21-scale inhibitor metering pump, 22-cleaning centrifugal pump and 23-cleaning agent tank.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1, a container formula landfill leachate processing system, including container 1 and set up at 1 inboard former water tank 2 of container, regulating box 3, tubular electro-fenton reactor 8, membrane biological reaction case 12, MBR membrane biological reactor, tubular ultrafiltration membrane 13, first dish tubular reverse osmosis membrane equipment 14, second dish tubular reverse osmosis membrane equipment 15, water purification product water jar 16, concentrated water product water jar 17, former water tank 2 set up in one side of container 1, former water tank 2 is connected with the landfill leachate tank through the water intaking pump, in with landfill leachate suction former water tank 2 through the water intaking pump, landfill leachate tank and water intaking pump between still be provided with the filter screen, through the filter screen prefiltration filtration thing in the leachate. The raw water tank 2 is communicated with the regulating tank through a medium filter 4, and most suspended matters and oil in penetrating fluid are removed through a multi-medium filter 4; the upper end of the regulating box 3 is also provided with a dosing tank a5 and a dosing pump, the dosing tank a5 is connected with the regulating box 3 through the dosing pump, and the pH value of the percolate is regulated by adding acid or alkali into the regulating box 3. Still be provided with agitating unit simultaneously on regulating box 3, agitating unit including setting up agitator motor 6 in the upper end of regulating box 3 to and set up in regulating box 3 and the stirring rake 7 of being connected with agitator motor 6. In order to improve the treatment efficiency of the percolate, aeration pipelines can be arranged on the inner side walls of the raw water tank 2 and the regulating tank 3 and are connected with a blower.
2 one side of regulating box be provided with tubular electro-Fenton reactor 8, tubular electro-Fenton reactor 8 that adopts in this embodiment includes a plurality of electro-Fenton reaction subassemblies, and a plurality of electro-Fenton reaction subassemblies series connection. The regulating box 3 and tubular electro-Fenton reactor 8 between be provided with centrifugal pump assembly, centrifugal pump assembly includes two stop valves 9, centrifugal pump 10 and check valve 11, two stop valves 9 set up centrifugal pump 10 both ends, check valve 11 one end is connected one stop valve 9.
The tubular electro-Fenton reactor 8 is connected with a membrane biological reaction tank 12, an MBR membrane biological reactor is arranged in the membrane biological reaction tank 12, the MBR membrane biological reactor is connected with a tubular ultrafiltration membrane 13 through a water inlet pump, the tubular ultrafiltration membrane 13 is connected with a first disc tubular reverse osmosis membrane device 14 through a first high-pressure pump 18, a concentrated water outlet of the first disc tubular reverse osmosis membrane device 14 is connected to an inlet of the first high-pressure pump 18 through a concentrated water pipe, a produced water outlet of the first disc tubular reverse osmosis membrane device 14 is connected with an inlet of a second disc tubular reverse osmosis membrane device 15 through a second high-pressure pump 19 through a pipeline, and a produced water outlet of the second disc tubular reverse osmosis membrane device 15 is connected with a purified water production tank 16; in order to adjust the pH value of the purified water to meet the requirement, a dosing device is further arranged on the purified water producing tank 16 and comprises a dosing tank b and a metering pump, the dosing tank b is connected with the purified water producing tank through the metering pump, and the pH value of the purified water is adjusted by adding acid or alkali into the purified water producing tank.
The concentrated water outlet of the second disc tubular reverse osmosis membrane equipment 15 is connected with a concentrated water producing tank 17 through a concentrated water pipe, and the inlet ends of the first disc tubular reverse osmosis membrane equipment 14 and the second disc tubular reverse osmosis membrane equipment 15 are also connected with a cleaning agent tank 23 through a cleaning centrifugal pump 22.
Further, the system also comprises sludge filter pressing equipment, wherein the sludge filter pressing equipment is arranged outside the container 1, and the sludge filter pressing equipment is connected with the membrane biological reaction box 12 and the tubular ultrafiltration membrane 13 through a sludge pump.
Further, the system also comprises a scale inhibitor storage tank 20 and a scale inhibitor metering pump 21, wherein the scale inhibitor storage tank 20 is connected with the first high-pressure pump 18 through the scale inhibitor metering pump 21, and the scale inhibitor metering pump 21 is connected with an electric control system, so that the scale formation phenomenon caused by high-power concentration of various insoluble sulfates and silicates in the membrane component is prevented, and the service life of the membrane is effectively prolonged.
The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a container formula landfill leachate processing system which characterized in that: the container comprises a container, and a raw water tank, a regulating tank, a tubular electro-Fenton reactor, a membrane biological reaction tank, an MBR membrane biological reactor, a tubular ultrafiltration membrane, a first disc tubular reverse osmosis membrane device, a second disc tubular reverse osmosis membrane device, a purified water production tank and a concentrated water production tank which are arranged on the inner side of the container, wherein the raw water tank is arranged on one side of the container, and is communicated with the regulating tank through a medium filter, and most of suspended matters and oil in penetrating fluid are removed through a multi-medium filter;
the membrane bioreactor is characterized in that a tubular electro-Fenton reactor is arranged on one side of the regulating box, the tubular electro-Fenton reactor is connected with a membrane bioreactor box, an MBR membrane bioreactor is arranged in the membrane bioreactor box, the MBR membrane bioreactor is connected with a tubular ultrafiltration membrane through a water inlet pump, the tubular ultrafiltration membrane is connected with a first disc tubular reverse osmosis membrane device through a first high-pressure pump, a concentrated water outlet of the first disc tubular reverse osmosis membrane device is connected with an inlet of the first high-pressure pump through a concentrated water pipe, a produced water outlet of the first disc tubular reverse osmosis membrane device is connected with an inlet of a second disc tubular reverse osmosis membrane device through a second high-pressure pump through a pipeline, a produced water outlet of the second disc tubular reverse osmosis membrane device is connected with a purified water producing tank, and a concentrated water outlet of the second disc tubular reverse osmosis membrane device is connected with a concentrated water producing tank through a concentrated water pipe, and the inlet ends of the first disc tubular reverse osmosis membrane device and the second disc tubular reverse osmosis membrane device are also connected with a cleaning agent tank through a cleaning centrifugal pump.
2. The container-type landfill leachate treatment system of claim 1, wherein: the system also comprises sludge filter-pressing equipment, wherein the sludge filter-pressing equipment is arranged outside the container, and the sludge filter-pressing equipment is connected with the membrane biological reaction box and the tubular ultrafiltration membrane through a sludge pump.
3. The container-type landfill leachate treatment system of claim 1, wherein: the system also comprises a scale inhibitor storage tank and a scale inhibitor metering pump, wherein the scale inhibitor storage tank is connected with the first high-pressure pump through the scale inhibitor metering pump, and the scale inhibitor metering pump is connected with the electric control system.
4. The container-type landfill leachate treatment system of claim 1, wherein: the raw water tank is connected with a landfill leachate water storage tank through a water taking pump, and a filter screen is further arranged between the landfill leachate water storage tank and the water taking pump.
5. The container-type landfill leachate treatment system of claim 1, wherein: and aeration pipelines are also arranged on the inner side walls of the raw water tank and the adjusting tank and are connected with an air blower.
6. The container-type landfill leachate treatment system according to claim 5, wherein: the regulating box upper end still be provided with medicine jar an and add the medicine pump, add medicine jar a and be connected with the regulating box through adding the medicine pump.
7. The container-type landfill leachate treatment system of claim 6, wherein: the adjusting box in still be provided with agitating unit, agitating unit including setting up the agitator motor in the adjusting box upper end to and set up in the adjusting box and the stirring rake of being connected with agitator motor.
8. The container-type landfill leachate treatment system of claim 1, wherein: the adjusting box and the tubular electro-Fenton reactor between be provided with centrifugal pump assembly, centrifugal pump assembly includes two stop valves, centrifugal pump and check valve, two stop valve settings are in the centrifugal pump both ends, one is connected to check valve one end the stop valve.
9. The container-type landfill leachate treatment system of claim 8, wherein: the tubular electro-Fenton reactor comprises a plurality of electro-Fenton reaction components which are connected in series.
10. The container-type landfill leachate treatment system of claim 1, wherein: the purified water production tank is also provided with a dosing device, the dosing device comprises a dosing tank b and a metering pump, and the dosing tank b is connected with the purified water production tank through the metering pump.
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Publication number | Priority date | Publication date | Assignee | Title |
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CN111807620A (en) * | 2020-07-10 | 2020-10-23 | 自然资源部天津海水淡化与综合利用研究所 | Emulsion wastewater treatment system based on comprehensive membrane method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111807620A (en) * | 2020-07-10 | 2020-10-23 | 自然资源部天津海水淡化与综合利用研究所 | Emulsion wastewater treatment system based on comprehensive membrane method |
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