CN212451063U - Garbage penetrating fluid treatment system - Google Patents

Garbage penetrating fluid treatment system Download PDF

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Publication number
CN212451063U
CN212451063U CN202020803087.7U CN202020803087U CN212451063U CN 212451063 U CN212451063 U CN 212451063U CN 202020803087 U CN202020803087 U CN 202020803087U CN 212451063 U CN212451063 U CN 212451063U
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Prior art keywords
tank
penetrating fluid
filter
denitrification
nitrification
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CN202020803087.7U
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Chinese (zh)
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张政
赵津
孙胜刚
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Tianjin founder Construction Supervision Co.,Ltd.
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Tianjin Fangzheng Garden Construction Supervision Center
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Abstract

The utility model relates to a rubbish penetrant processing system belongs to the technical field of water treatment, and its technical scheme main points are including holding reservoir, reverse osmosis unit and recovery pond, communicate in proper order between holding reservoir and the reverse osmosis unit and be provided with sedimentation tank, flocculation basin, filtering ponds, ultrasonic reactor, denitrification pond, nitrify pond and UF ultrafiltration device, nitrify and be provided with the backflow pipeline between pond and the denitrification pond, reach the removal effect of organic matters such as ammonia, nitrogen in the enhancement rubbish penetrant.

Description

Garbage penetrating fluid treatment system
Technical Field
The utility model relates to a technical field of water treatment, in particular to rubbish penetrant processing system.
Background
The water quality and the components of the landfill leachate are complex, various organic matter components can reach more than 100, the concentration of ammonia, nitrogen and other organic matters is very high, and the biodegradability of the landfill leachate is gradually reduced along with the increase of the service life of a landfill, so that the treatment of the landfill leachate is more difficult.
The existing Chinese patent with the reference publication number of CN202785843U discloses a nanofiltration integrated treatment system for high-concentration leachate of garbage, which comprises a high-concentration leachate liquid storage tank, a leachate pretreatment tank, a reverse osmosis precipitation device, a nanofiltration membrane filter and a leachate recovery tank, wherein the high-concentration leachate liquid storage tank, the leachate pretreatment tank, the reverse osmosis precipitation device, the nanofiltration membrane filter and the leachate recovery tank are sequentially communicated, an internal circulation concentrated water backflow pipeline and an external circulation concentrated water drainage pipeline are arranged in the reverse osmosis precipitation device, and a clear liquid water outlet and a concentrated liquid water outlet are arranged at the upper end part of the right side wall of the nanofiltration membrane filter.
The above prior art solutions have the following drawbacks: the garbage penetrating fluid contains a large amount of organic matters such as ammonia, nitrogen and the like, but the large amount of organic matters such as ammonia, nitrogen and the like in the garbage penetrating fluid cannot be removed only by reverse osmosis and nanofiltration, and serious environmental pollution is caused by direct discharge.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rubbish penetrant processing system, it has the removal effect of organic matters such as reinforcing ammonia, nitrogen in the rubbish penetrant.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a garbage penetrating fluid treatment system comprises a liquid storage tank, a reverse osmosis device and a recovery tank, wherein a sedimentation tank, a flocculation tank, a filtering tank, a denitrification tank, a nitrification tank and a UF ultrafiltration device are sequentially communicated and arranged between the liquid storage tank and the reverse osmosis device, and a backflow pipeline is communicated and arranged between the nitrification tank and the denitrification tank.
By adopting the technical scheme, penetrating fluid flows into a liquid storage tank and is stored in the liquid storage tank, then the penetrating fluid enters a sedimentation tank for sedimentation, so that heavier impurities in the penetrating fluid are precipitated at the bottom of the sedimentation tank, the penetrating fluid at the upper layer enters a flocculation tank for flocculation, so that suspended particles in the penetrating fluid are gathered and enlarged or form floccules, the floccules are settled in the flocculation tank, so that flocculated suspended matters are settled at the bottom of the flocculation tank, then the penetrating fluid at the upper layer enters a filtration tank for filtration, then the penetrating fluid enters a denitrification tank and a nitrification tank for reaction, nitrate and nitrite are reduced into gaseous nitride and nitrogen in the denitrification tank, ammonia is oxidized into nitrate in the nitrification tank under the action of microorganisms, and the nitrate generated in the nitrification tank flows back to the denitrification tank for continuous reaction and generates nitride and nitrogen, so that a large amount of ammonia, nitrate and nitrogen in the garbage penetrating fluid are removed, Nitrogen and other organic matters, introducing the reacted penetrating fluid into a UF ultrafiltration device for ultrafiltration, removing macromolecules in the penetrating fluid through membrane separation, and performing reverse osmosis treatment on the ultrafiltered penetrating fluid, so that the whole treatment process of the garbage penetrating fluid is realized, and the garbage penetrating fluid is prevented from causing serious environmental pollution.
The present invention may be further configured in a preferred embodiment as: and a PAC dosing device and a PAM dosing device are arranged in the flocculation tank.
By adopting the technical scheme, PAC (polyaluminium chloride) is an inorganic polymer coagulant. PAM (polyacrylamide) is a linear organic high-molecular polymer and is a high-molecular water treatment flocculant product, can adsorb suspended particles in water, plays a role in bridging among the particles, enables fine particles to form larger flocs and accelerates the sedimentation speed. Set up PAC charge device and PAM charge device in the flocculation basin, can play good flocculation effect to the penetrant, make the granule of suspension in the penetrant form the wadding group, be convenient for subside in the flocculation basin, be favorable to getting rid of the suspended particles in the penetrant.
The present invention may be further configured in a preferred embodiment as: first filter, second filter and third filter have set gradually in the filter tank, and the filtration pore diameter of seting up on first filter, second filter and the third filter reduces in proper order.
Through adopting above-mentioned technical scheme, set gradually first filter, second filter and third filter in the filter tank, and seted up on first filter, second filter and the third filter that the filtration pore diameter reduces in proper order, can carry out a lot of hierarchical filtration to the penetrant that gets into the filter tank, not only strengthen the filter effect to the penetrant, also can reduce the possibility that the impurity in the penetrant blockked up the filtration pore.
The present invention may be further configured in a preferred embodiment as: an ultrasonic reactor is communicated and arranged between the filter tank and the denitrification tank.
By adopting the technical scheme, the ultrasonic reactor is arranged, so that the filtered penetrating fluid can enter the ultrasonic reactor for reaction, and the biodegradability of the penetrating fluid is improved, thereby improving the treatment effect of the denitrification tank and the nitrification tank on the penetrating fluid in subsequent treatment, and enhancing the removal effect on organic matters such as ammonia, nitrogen and the like in the penetrating fluid.
The present invention may be further configured in a preferred embodiment as: and a regulating tank for regulating the pH value of the penetrating fluid is arranged between the ultrasonic reactor and the denitrification tank.
By adopting the technical scheme, the adjusting tank is arranged, the pH value of the penetrating fluid can be adjusted, and the pH value of the penetrating fluid is controlled in a proper range, so that the denitrification reaction and the nitrification reaction can be carried out under a better condition, the reaction rate of the denitrification reaction and the nitrification reaction is ensured, and the denitrification tank and the nitrification tank can play a good role in removing ammonia, nitrogen and other organic matters from the penetrating fluid.
The present invention may be further configured in a preferred embodiment as: the sedimentation tank is communicated with a sludge tank, the sludge tank is also communicated with the flocculation tank, the filtering tank, the UF ultrafiltration device and the reverse osmosis device respectively, one side of the sludge tank is provided with a plate-and-frame filter press, and one side of the plate-and-frame filter press is provided with a drying tank.
Through adopting above-mentioned technical scheme, collect the mud in the processing procedure to the mud pond, carry out the filter-pressing through plate and frame filter press, carry mud to the mummification pond again and carry out the mummification and handle, be convenient for make mummification fertilizer with mud, realize the processing to mud.
The present invention may be further configured in a preferred embodiment as: and stirrers are arranged in the nitrification tank and the denitrification tank.
By adopting the technical scheme, the stirrers are arranged in the nitrification tank and the denitrification tank, so that the distribution of the nitrifying bacteria in the nitrification tank and the denitrifying bacteria in the denitrification tank is more uniform, the nitrifying bacteria and the denitrifying bacteria can be fully mixed with the penetrating fluid respectively, the efficiency of the nitrification reaction and the denitrification reaction is improved, and the removal effect on organic matters such as ammonia, nitrogen and the like in the penetrating fluid is enhanced.
The present invention may be further configured in a preferred embodiment as: an aeration device is arranged in the nitrification tank.
By adopting the technical scheme, because the nitration reaction is an aerobic reaction, and the aeration device is arranged in the nitration tank, sufficient oxygen can be provided for the nitration reaction, the concentration of nitrobacteria is improved, and the smooth proceeding of the nitration reaction is ensured.
To sum up, the utility model discloses a beneficial technological effect does:
1. the method comprises the steps that a sedimentation tank, a flocculation tank, a filtration tank, an adjusting tank, a denitrification tank, a nitrification tank and a UF ultrafiltration device are arranged between a liquid storage tank and a denitrification device, penetrating fluid is precipitated by the sedimentation tank, then the penetrating fluid at the upper layer enters the flocculation tank to be flocculated and is settled in the flocculation tank, then the penetrating fluid is filtered in the filtration tank, then the penetrating fluid enters the denitrification tank and the nitrification tank to react, nitrate and nitrite are reduced to gaseous nitride and nitrogen in the denitrification tank, ammonia is oxidized to nitrate in the nitrification tank under the action of microorganisms, and nitrate generated in the nitrification tank flows back to the denitrification tank to continuously react to generate nitride and nitrogen, so that a large amount of organic matters such as ammonia, nitrogen and the like in garbage penetrating fluid are removed;
2. by arranging the PAC dosing device and the PAM dosing device, the flocculation effect on the penetrating fluid can be good, so that suspended particles in the penetrating fluid form floccules, the sedimentation in a flocculation tank is facilitated, and the suspended particles in the penetrating fluid are removed;
3. the ultrasonic reactor is arranged, so that the biodegradability of the penetrating fluid can be improved, the treatment effect of the denitrification tank and the nitrification tank on the penetrating fluid in subsequent treatment is improved, and the removal effect on organic matters such as ammonia, nitrogen and the like in the penetrating fluid is enhanced.
4. Through setting up the equalizing basin, can adjust the pH value of penetrant for the pH value control of penetrant is in suitable scope, ensures the reaction rate of denitrification reaction and nitration, makes denitrification pond and nitration pond can play good effect of getting rid of organic matters such as ammonia, nitrogen to the penetrant.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1, a liquid storage tank; 2. a sedimentation tank; 3. a flocculation tank; 31. a PAC dosing device; 32. PAM dosing device; 4. a filtration tank; 41. a first filter plate; 42. a second filter plate; 43. a third filter plate; 5. an ultrasonic reactor; 6. a regulating tank; 7. a denitrification tank; 71. a stirrer; 8. a nitrification tank; 81. an aeration device; 9. a UF ultrafiltration device; 10. a reverse osmosis unit; 11. a recovery tank; 12. a sludge tank; 13. a plate-and-frame filter press; 14. a drying tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a refuse leachate treatment system comprises a liquid storage tank 1, a sedimentation tank 2, a flocculation tank 3, a filtration tank 4, a regulating tank 6, a denitrification tank 7, a nitrification tank 8, a UF ultrafiltration device 9, a reverse osmosis device 10 and a recovery tank 11 which are sequentially communicated.
Referring to fig. 1, a PAC dosing device 31 and a PAM dosing device 32 are provided in the flocculation tank 3. The filter tank 4 is internally provided with a first filter plate 41, a second filter plate 42 and a third filter plate 43 in sequence, and the diameters of filter holes formed in the first filter plate 41, the second filter plate 42 and the third filter plate 43 are reduced in sequence.
Garbage penetrating fluid enters a liquid storage tank 1 for storage, then enters a sedimentation tank 2 from the liquid storage tank 1 for sedimentation, so that heavier impurities in the penetrating fluid are precipitated at the bottom of the sedimentation tank 2, the penetrating fluid at the upper layer enters a flocculation tank 3, a PAC (programmable automation controller) dosing device 31 and a PAM (pulse amplitude modulation) dosing device 32 flocculate the penetrating fluid to enable suspended particles in the penetrating fluid to be gathered and enlarged to form larger floccules, then the particles are settled in the flocculation tank 3 under the action of self gravity, so that flocculated suspended matters are settled at the bottom of the flocculation tank 3, the penetrating fluid at the upper layer enters a filtration tank 4, the penetrating fluid flows through a first filter plate 41, a second filter plate 42 and a third filter plate 43 in sequence to carry out three-time graded filtration on the penetrating fluid, so that impurities with different sizes in the penetrating fluid are retained in the filtration tank 4, the penetrating fluid after filtration enters a regulation tank 6 to, the pH value of the penetrating fluid is controlled within a proper range, the subsequent denitrification reaction and nitrification reaction can be ensured to be carried out under a better condition, then the penetrating fluid enters the denitrification tank 7 and the nitrification tank 8 in sequence for reaction, nitrate and nitrite are reduced into gaseous nitride and nitrogen in the denitrification tank 7, ammonia is oxidized into nitrate in the nitrification tank 8 under the action of microorganisms, so that a large amount of organic matters such as ammonia, nitrogen and the like in the garbage penetrating fluid are removed, the penetrating fluid after the reaction is introduced into the UF ultrafiltration device 9 and the reverse osmosis device 10 in sequence for ultrafiltration, macromolecules in the penetrating fluid are removed through membrane separation, and the treated penetrating fluid flows into the recovery tank 11, so that the whole treatment process of the garbage penetrating fluid is realized.
Referring to fig. 1, an ultrasonic reactor 5 is arranged between a filtering tank 4 and a regulating tank 6, and the filtered penetrating fluid enters the ultrasonic reactor 5 for reaction, so that the biodegradability of the penetrating fluid can be improved, the treatment effect of a denitrification tank 7 and a nitrification tank 8 on the penetrating fluid in subsequent treatment can be improved, and the removal effect on organic matters such as ammonia, nitrogen and the like in the penetrating fluid can be enhanced.
Referring to fig. 1, a backflow pipeline is communicated between the nitrification tank 8 and the denitrification tank 7, most organic matters are degraded in the nitrification tank 8 under the action of high-activity aerobic microorganisms, ammonia nitrogen and organic nitrogen are oxidized into nitrate and nitrite, and then the nitrate and the nitrite flow back to the denitrification tank 7 and are reduced into gaseous nitride and nitrogen in an anoxic environment, so that the denitrification effect is achieved. Stirrers 71 are arranged in the nitrification tank 8 and the denitrification tank 7, and an aeration device 81 is arranged in the nitrification tank 8. The stirrer 71 can enable nitrifying bacteria and denitrifying bacteria to be fully mixed with the penetrating fluid respectively, so that the efficiency of the nitrification reaction and the denitrification reaction is improved, the aeration device 81 can provide enough oxygen for the nitrification reaction, the nitrification reaction is ensured to be smoothly carried out, and the removal effect of organic matters such as ammonia, nitrogen and the like in the penetrating fluid is enhanced.
Referring to fig. 1, a sedimentation tank 2 is communicated with a sludge tank 12, the sludge tank 12 is also communicated with a flocculation tank 3, a filtering tank 4, a UF ultrafiltration device 9 and a reverse osmosis device 10, a plate-and-frame filter press 13 is arranged on one side of the sludge tank 12, and a drying tank 14 is arranged on one side of the plate-and-frame filter press 13. Carry the mud after deposiing to sludge impoundment 12 in the sedimentation tank 2, and carry the large granule suspended solid that the bottom subsided in the flocculation basin 3 to sludge impoundment 12 in, carry the impurity of filter tank 4 internal through first filter 41, second filter 42 and third filter 43 filterable to sludge impoundment 12 in, impurity such as macromolecule that produces when making UF ultrafiltration device 9 and reverse osmosis unit 10 carry out the membrane separation at last also carries to sludge impoundment 12 in, carry out the filter-pressing with the mud of sludge impoundment 12 with plate and frame filter press 13, flow back the filtrating to equalizing basin 6 and handle, carry the filter residue to carrying and carrying out the mummification in the mummification pond 14 and handle, be convenient for make mummification fertilizer with the mud after the mummification.
The implementation principle of the embodiment is as follows: garbage penetrating fluid enters a liquid storage tank 1 for storage, then enters a sedimentation tank 2 from the liquid storage tank 1 for sedimentation, so that heavier impurities in the penetrating fluid are precipitated at the bottom of the sedimentation tank 2, the penetrating fluid at the upper layer enters a flocculation tank 3, a PAC (programmable automation controller) dosing device 31 and a PAM (pulse amplitude modulation) dosing device 32 flocculate the penetrating fluid to enable suspended particles in the penetrating fluid to be gathered and enlarged to form larger floccules, then the particles are settled in the flocculation tank 3 under the action of self gravity, so that flocculated suspended matters are settled at the bottom of the flocculation tank 3, the penetrating fluid at the upper layer enters a filtration tank 4, the penetrating fluid flows through a first filter plate 41, a second filter plate 42 and a third filter plate 43 in sequence to carry out three-time graded filtration on the penetrating fluid, so that impurities with different sizes in the penetrating fluid are retained in the filtration tank 4, the penetrating fluid after filtration enters an ultrasonic reactor 5 for reaction, then the penetrating fluid enters an adjusting tank 6, the pH value of the penetrating fluid is adjusted, the pH value of the penetrating fluid is controlled within a proper range, then the penetrating fluid enters a denitrification tank 7 and a nitrification tank 8 in sequence to react, nitrate and nitrite are reduced to gaseous nitride and nitrogen in the denitrification tank 7, ammonia is oxidized to nitrate in the nitrification tank 8 under the action of microorganisms, the penetrating fluid after nitration is returned to the denitrification tank 7 to generate gaseous nitride and nitrogen, so that a large amount of penetrating fluid such as ammonia and nitrogen in the garbage penetrating fluid is removed, the penetrating fluid after reaction is introduced into a UF ultrafiltration device 9 and a reverse osmosis device 10 in sequence to be subjected to ultrafiltration, macromolecular impurities in the penetrating fluid are removed through membrane separation, and the treated penetrating fluid flows into a recovery tank 11 to realize the whole treatment process of the garbage penetrating fluid.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A landfill leachate treatment system, includes reservoir (1), reverse osmosis unit (10) and recovery pond (11), its characterized in that: a sedimentation tank (2), a flocculation tank (3), a filtering tank (4), a denitrification tank (7), a nitrification tank (8) and a UF ultrafiltration device (9) are sequentially communicated and arranged between the liquid storage tank (1) and the reverse osmosis device (10), and a return pipeline is communicated and arranged between the nitrification tank (8) and the denitrification tank (7).
2. The waste permeate processing system of claim 1, wherein: a PAC dosing device (31) and a PAM dosing device (32) are arranged in the flocculation tank (3).
3. The waste permeate processing system of claim 1, wherein: the filter tank is characterized in that a first filter plate (41), a second filter plate (42) and a third filter plate (43) are sequentially arranged in the filter tank (4), and the diameters of filter holes formed in the first filter plate (41), the second filter plate (42) and the third filter plate (43) are sequentially reduced.
4. The waste permeate processing system of claim 1, wherein: an ultrasonic reactor (5) is communicated between the filter tank (4) and the denitrification tank (7).
5. The waste permeate processing system of claim 4, wherein: and an adjusting tank (6) for adjusting the pH value of the penetrating fluid is arranged between the ultrasonic reactor (5) and the denitrification tank (7).
6. The waste permeate processing system of claim 1, wherein: the sedimentation tank (2) is communicated with a sludge tank (12), the sludge tank (12) is also communicated with the flocculation tank (3), the filtering tank (4), the UF ultrafiltration device (9) and the reverse osmosis device (10) respectively, one side of the sludge tank (12) is provided with a plate and frame filter press (13), and one side of the plate and frame filter press (13) is provided with a drying tank (14).
7. The waste permeate processing system of claim 1, wherein: stirrers (71) are arranged in the nitrification tank (8) and the denitrification tank (7).
8. The waste permeate processing system of claim 1, wherein: an aeration device (81) is arranged in the nitrification tank (8).
CN202020803087.7U 2020-05-14 2020-05-14 Garbage penetrating fluid treatment system Active CN212451063U (en)

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Application Number Priority Date Filing Date Title
CN202020803087.7U CN212451063U (en) 2020-05-14 2020-05-14 Garbage penetrating fluid treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020803087.7U CN212451063U (en) 2020-05-14 2020-05-14 Garbage penetrating fluid treatment system

Publications (1)

Publication Number Publication Date
CN212451063U true CN212451063U (en) 2021-02-02

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Application Number Title Priority Date Filing Date
CN202020803087.7U Active CN212451063U (en) 2020-05-14 2020-05-14 Garbage penetrating fluid treatment system

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Address after: 300202 room 301-305, 51 Xiamen Road, Hexi District, Tianjin.

Patentee after: Tianjin founder Construction Supervision Co.,Ltd.

Address before: 300202 room 301-305, 51 Xiamen Road, Hexi District, Tianjin.

Patentee before: Tianjin Fangzheng Garden Construction Supervision Center