CN216863937U

CN216863937U - Kitchen and perishable landfill leachate treatment device

Info

Publication number: CN216863937U
Application number: CN202220644781.8U
Authority: CN
Inventors: 吴伟
Original assignee: Hubei Xinboyuan Environmental Engineering Co ltd
Current assignee: Hubei Xinboyuan Environmental Engineering Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-01
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a kitchen and perishable garbage leachate treatment device, which relates to the technical field of garbage leachate treatment and comprises a base, wherein the upper surface of the base is respectively provided with a pretreatment mechanism, a first MBR (membrane biological reaction) mechanism, a second membrane biological reaction mechanism and an advanced treatment mechanism, the pretreatment mechanism comprises a first box body, the inside of the first box body is respectively and fixedly provided with a water pump, a mixed anaerobic reactor, a centrifugal dehydrator and an air floatation device, the first MBR membrane biological reaction mechanism comprises a second box body, and the inside of the second box body is respectively and fixedly connected with a primary nitrification device and a primary denitrification device, and the kitchen and perishable garbage leachate treatment device has the beneficial effects that: through the mutual cooperation of the pretreatment mechanism, the first MBR membrane biological reaction mechanism, the second membrane biological reaction mechanism and the advanced treatment mechanism, the problem that the existing kitchen sewage is not treated or does not reach the standard in treatment can be solved, so that the kitchen sewage and the organic perishable garbage sewage are effectively treated in a closed-loop system and are discharged after reaching the standard.

Description

Kitchen and perishable landfill leachate treatment device

Technical Field

The utility model relates to the technical field of landfill leachate treatment, in particular to a kitchen and perishable landfill leachate treatment device.

Background

Along with the propulsion of urbanization, the processing of kitchen garbage and organic perishable rubbish is more and more regarded as important, and current kitchen garbage handles the difficult problem of handling of kitchen garbage filtration liquid that generally faces, and this filtration liquid has the kitchen garbage to ooze after selecting separately, breakage, extrusion, has multiple problems such as oiliness height, organic matter content height, high SS, high ammonia nitrogen, high total nitrogen. Due to the fact that pollutants are complex, water quality fluctuates and the like and are difficult to treat, most kitchen waste treatment plants do not build sewage treatment facilities or build the sewage treatment plants not reaching the standard, and partial kitchen project sewage is directly discharged into a pipe network to cause environmental pollution and influence the operation of a rear-end municipal sewage treatment plant, so that a kitchen and perishable waste leachate treatment device is provided.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a kitchen and perishable garbage leachate treatment device, which solves the problems in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a meal kitchen and perishable landfill leachate processing apparatus, the on-line screen storage device comprises a base, the upper surface of base is provided with pretreatment mechanism, first MBR membrane biological reaction mechanism, second membrane biological reaction mechanism and degree of depth processing mechanism respectively, pretreatment mechanism includes first box, the inside difference fixed mounting of first box has water pump, mixed formula anaerobic reactor, centrifugal dehydrator and aerostatic equipment, first MBR membrane biological reaction mechanism includes the second box, the inside difference fixedly connected with one-level nitrification equipment and the one-level denitrification equipment of second box, second membrane biological reaction mechanism includes the third box, the inside difference fixed mounting of third box has MBR membrane cisterna, second grade denitrification equipment and second grade nitrification equipment, degree of depth processing mechanism includes softening plant and NF separating membrane equipment.

Preferably, the output of water pump fixedly connected with respectively inserts pipe and output tube, output tube and mixed formula anaerobic reactor fixed connection, the outside of centrifugal dehydrator fixedly connected with second connecting pipe, blow off pipe and first connecting pipe respectively, the second connecting pipe with mix formula anaerobic reactor fixed connection, first connecting pipe and air supporting equipment fixed connection, the outside fixedly connected with oil extraction pipe and the third connecting pipe of air supporting equipment.

Preferably, the outside fixedly connected with fourth connecting pipe and fifth connecting pipe of one-level denitrification equipment, the one end and the one-level nitrification equipment fixed connection of fifth connecting pipe, the third connecting pipe runs through the second box and nitrifies equipment fixed connection with the one-level.

Preferably, the outer side of the secondary denitrification equipment is fixedly connected with a seventh connecting pipe and an eighth connecting pipe respectively, the eighth connecting pipe is fixedly connected with the secondary nitrification equipment, the fourth connecting pipe penetrates through the third box body and is fixedly connected with the secondary nitrification equipment, the seventh connecting pipe is fixedly connected with the MBR membrane tank, and one side of the MBR membrane tank is fixedly connected with a sixth connecting pipe.

Preferably, the NF separating membrane equipment and the sixth connecting pipe are fixedly connected, one side fixedly connected with drain pipe of NF separating membrane equipment, one side fixedly connected with back flow of softening installation, the back flow and mixed formula anaerobic reactor fixed connection.

The utility model provides a kitchen and perishable garbage leachate treatment device, which has the following beneficial effects:

this meal kitchen and perishable rubbish filtration liquid processing apparatus through mutually supporting of preliminary treatment mechanism, first MBR membrane biological reaction mechanism, second membrane biological reaction mechanism and advanced treatment mechanism, can solve current meal kitchen sewage and not handle or handle problem not up to standard, makes meal kitchen and organic perishable rubbish sewage obtain effective treatment and discharge up to standard in closed loop system.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a pretreatment mechanism and a first MBR membrane biological reaction mechanism of the present invention;

FIG. 3 is a sectional view of a second membrane biological reaction mechanism of the present invention.

In the figure: 1. a base; 2. a pretreatment mechanism; 3. a first MBR membrane biological reaction mechanism; 4. a second membrane biological reaction mechanism; 5. a deep processing mechanism; 6. a water pump; 7. an access pipe; 8. an output pipe; 9. a mixed anaerobic reactor; 10. a centrifugal dehydrator; 11. an oil discharge pipe; 12. air floatation equipment; 13. a first connecting pipe; 14. a second connecting pipe; 15. a blow-off pipe; 16. a third connecting pipe; 17. a primary nitrification apparatus; 18. a first-stage denitrification facility; 19. a fourth connecting pipe; 20. a fifth connecting pipe; 21. a sixth connecting pipe; 22. an MBR membrane tank; 23. a seventh connecting pipe; 24. a secondary denitrification facility; 25. an eighth connecting pipe; 26. a secondary nitrification device; 27. NF separation membrane apparatus; 28. a drain pipe; 29. a softening device; 30. a return pipe; 31. a first case; 32. a second case; 33. and a third box body.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a kitchen and perishable landfill leachate treatment device comprises a base 1, the upper surface of the base 1 is respectively provided with a pretreatment mechanism 2, a first MBR membrane biological reaction mechanism 3, a second membrane biological reaction mechanism 4 and an advanced treatment mechanism 5, the pretreatment mechanism 2 comprises a first box 31, the inside of the first box 31 is respectively and fixedly provided with a water pump 6, a mixed type anaerobic reactor 9, a centrifugal dehydrator 10 and an air floatation device 12, the output end of the water pump 6 is respectively and fixedly connected with an access pipe 7 and an output pipe 8, the output pipe 8 is fixedly connected with the mixed type anaerobic reactor 9, the arranged water pump 6 can discharge sewage into the inner cavity of the mixed type anaerobic reactor 9, most organic matters are decomposed under the mixing and anaerobic effects of an internal mixer, the outer side of the centrifugal dehydrator 10 is respectively and fixedly connected with a second connecting pipe 14, a drain pipe 15 and a first connecting pipe 13, anaerobic effluent enters a centrifugal dehydrator 10 through a second connecting pipe 14 for mud-water separation, separated mud is discharged through a discharge pipe 15, the sludge is transported to outside for landfill, sewage is discharged into an air floatation device 12 through a first connecting pipe 13 for oil-water separation, floating oil is discharged through an oil discharge pipe 11 and can be used for refining biochemical diesel oil, the second connecting pipe 14 is fixedly connected with a mixed anaerobic reactor 9, the first connecting pipe 13 is fixedly connected with the air floatation device 12, the outer side of the air floatation device 12 is fixedly connected with the oil discharge pipe 11 and a third connecting pipe 16, a first membrane biological reaction mechanism 3 comprises a second box body 32, the inner part of the second box body 32 is fixedly connected with a first-stage nitrification device 17 and a first-stage denitrification device 18 respectively, the outer side of the first-stage denitrification device 18 is fixedly connected with a fourth connecting pipe 19 and a fifth connecting pipe 20, one end of the fifth connecting pipe 20 is fixedly connected with the first-stage nitrification device 17, the third connecting pipe 16 penetrates through the second box body 32 and is fixedly connected with the first-stage nitrification device 17, the sewage is discharged into the primary nitrification equipment 17 and the primary denitrification equipment 18 through the third connecting pipe 16, nitrification and denitrification reactions are completed under the action of nitrifying bacteria and denitrifying bacteria, COD, BOD, TP, TN, ammonia nitrogen and the like in the sewage are greatly reduced, the second membrane biological reaction mechanism 4 comprises a third box body 33, an MBR membrane tank 22, a secondary denitrification equipment 24 and a secondary nitrification equipment 26 are respectively and fixedly arranged in the third box body 33, a seventh connecting pipe 23 and an eighth connecting pipe 25 are respectively and fixedly connected with the outer side of the secondary denitrification equipment 24, the eighth connecting pipe 25 is fixedly connected with the secondary nitrification equipment 26, a fourth connecting pipe 19 penetrates through the third box body 33 and is fixedly connected with the MBR 26, the seventh connecting pipe 23 is fixedly connected with the MBR membrane tank 22, a sixth connecting pipe 21 is fixedly connected with one side of the MBR membrane tank 22, and then the sewage is discharged into the secondary nitrification equipment 26 and the secondary denitrification equipment 24 through the fourth connecting pipe 19 to complete a second denitrification reaction, the pollutants are reduced again, the mixed liquid after the second-stage biochemical reaction enters an MBR membrane tank 22, mud-water separation is completed under the action of an MBR membrane, the advanced treatment mechanism 5 comprises a softening device 29 and an NF separation membrane device 27, the NF separation membrane device 27 is fixedly connected with a sixth connecting pipe 21, a drain pipe 28 is fixedly connected to one side of the NF separation membrane device 27, a return pipe 30 is fixedly connected to one side of the softening device 29, the return pipe 30 is fixedly connected with the mixed type anaerobic reactor 9, the MBR membrane produced water is discharged into the NF separation membrane device 27 through the sixth connecting pipe 21 for further separation, the separated clear water reaches the standard and is discharged through the drain pipe 28, the concentrated liquid enters the softening device 29, the nanofiltration concentrated liquid is subjected to hardness removal under the action of physical chemistry, and the softened sewage returns to the pretreatment mechanism 2 for retreatment.

In conclusion, when the device for treating the kitchen and the perishable garbage percolate is used, kitchen incoming water is lifted to the mixed type anaerobic reactor 9 through the water pump 6, most organic matters are decomposed under the mixing and anaerobic actions of the internal stirrer, anaerobic outlet water enters the centrifugal dehydrator 10 through the second connecting pipe 14 for mud-water separation, separated mud is discharged through the discharge pipe 15, the sewage is transported and buried outside, the sewage is discharged into the air floatation device 12 through the first connecting pipe 13 for oil-water separation, floating oil is discharged through the oil discharge pipe 11 for refining biochemical diesel oil, the sewage is discharged into the primary nitrification device 17 and the primary denitrification device 18 through the third connecting pipe 16, nitrification and denitrification reactions are completed under the actions of nitrifying bacteria and denitrifying bacteria, COD, BOD, TP, TN, ammonia nitrogen and the like in the sewage are greatly reduced, and the sewage is discharged into the secondary nitrification device 26 and the secondary denitrification device 24 through the fourth connecting pipe 19 for secondary denitrification reaction, the pollutants are reduced again, the mixed liquid after the second-stage biochemical reaction enters an MBR membrane tank 22, mud-water separation is completed under the action of an MBR membrane, water produced by the MBR membrane is discharged into NF separating membrane equipment 27 through a sixth connecting pipe 21 for further separation, the separated clear water is discharged through a drain pipe 28 after reaching the standard, the concentrated liquid enters softening equipment 29, the nano-filtration concentrated liquid is subjected to hardness removal under the action of physical chemistry, and the softened sewage is returned to the pretreatment mechanism 2 for retreatment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a meal kitchen and perishable landfill leachate processing apparatus, includes base (1), its characterized in that: the upper surface of the base (1) is respectively provided with a pretreatment mechanism (2), a first MBR membrane biological reaction mechanism (3), a second membrane biological reaction mechanism (4) and an advanced treatment mechanism (5), the pretreatment mechanism (2) comprises a first box body (31), the inside of the first box body (31) is respectively and fixedly provided with a water pump (6), a mixed anaerobic reactor (9), a centrifugal dehydrator (10) and an air floatation device (12), the first MBR membrane biological reaction mechanism (3) comprises a second box body (32), the inside of the second box body (32) is respectively and fixedly connected with a first-stage nitrification device (17) and a first-stage denitrification device (18), the second membrane biological reaction mechanism (4) comprises a third box body (33), the inside of the third box body (33) is respectively and fixedly provided with an MBR membrane pool (22), a second-stage denitrification device (24) and a second-stage nitrification device (26), the advanced treatment mechanism (5) comprises a softening device (29) and an NF separation membrane device (27).

2. The kitchen and perishable garbage leachate treatment device according to claim 1, wherein the kitchen and perishable garbage leachate treatment device comprises: the output of water pump (6) is fixedly connected with access pipe (7) and output tube (8) respectively, output tube (8) and mixed formula anaerobic reactor (9) fixed connection, the outside of centrifugal dehydrator (10) is fixedly connected with second connecting pipe (14), blow off pipe (15) and first connecting pipe (13) respectively, second connecting pipe (14) and mixed formula anaerobic reactor (9) fixed connection, first connecting pipe (13) and air supporting equipment (12) fixed connection, the outside fixedly connected with of air supporting equipment (12) arranges oil pipe (11) and third connecting pipe (16).

3. The kitchen and perishable garbage leachate treatment device according to claim 2, wherein the kitchen and perishable garbage leachate treatment device comprises: the outside fixedly connected with fourth connecting pipe (19) and fifth connecting pipe (20) of one-level denitrification equipment (18), the one end and the one-level nitrification equipment (17) fixed connection of fifth connecting pipe (20), third connecting pipe (16) run through second box (32) and with one-level nitrification equipment (17) fixed connection.

4. The kitchen and perishable garbage leachate treatment device according to claim 3, wherein the kitchen and perishable garbage leachate treatment device comprises: the outside of second grade denitrification facility (24) is fixedly connected with seventh connecting pipe (23) and eighth connecting pipe (25) respectively, eighth connecting pipe (25) and second grade nitrification facility (26) fixed connection, fourth connecting pipe (19) run through third box (33) and with second grade nitrification facility (26) fixed connection, seventh connecting pipe (23) and MBR membrane cisterna (22) fixed connection, one side fixedly connected with sixth connecting pipe (21) of MBR membrane cisterna (22).

5. The kitchen and perishable garbage leachate treatment device according to claim 1, wherein the kitchen and perishable garbage leachate treatment device comprises: NF separating membrane equipment (27) and sixth connecting pipe (21) fixed connection, one side fixedly connected with drain pipe (28) of NF separating membrane equipment (27), one side fixedly connected with back flow (30) of softening installation (29), back flow (30) and mixed mode anaerobic reactor (9) fixed connection.