CN211664918U

CN211664918U - Leachate treatment equipment for garbage transfer station

Info

Publication number: CN211664918U
Application number: CN202020080718.7U
Authority: CN
Inventors: 钟丽云; 顾迎军
Original assignee: Shanghai Lizhen Environmental Protection Technology Co ltd
Current assignee: Shanghai Lizhen Environmental Protection Technology Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-10-13
Anticipated expiration: 2030-01-15

Abstract

The utility model belongs to the technical field of the environmental protection equipment, specifically disclose a rubbish transfer station filtration liquid treatment facility, including the grid well, the equalizing basin, deoiling equipment, the coagulating sedimentation tank, the buffer pool, high-efficient anaerobic reactor, AO bioreactor system, the MBR pond, the clean water basin, molecular sieve and pressure filter, the grid well, the equalizing basin, deoiling equipment, the coagulating sedimentation tank, the buffer pool, high-efficient anaerobic reactor, AO bioreactor system, the MBR pond, modularization connection in proper order between clean water basin and the molecular sieve, the mud of coagulating sedimentation tank and MBR pond production accesss to the pressure filter, AO bioreactor system includes the denitrification pond and nitrifies the pond, most mud in nitrifying pond and the MBR pond flows back in the denitrification pond. The utility model discloses a biochemical method guarantees that treatment facility's play water is stable, gets rid of effectually, and play water COD <100mg/L, and the ammonia nitrogen is < 25mg/L, adopts the secondary pollution problem that the dense solution can effectively be avoided to the molecular sieve simultaneously, and degree of automation is high, reducible cost of labor, and the running cost is low.

Description

Leachate treatment equipment for garbage transfer station

Technical Field

The utility model relates to a rubbish transfer station filtration liquid treatment facility belongs to environmental protection equipment technical field.

Background

The urban garbage transfer station makes a great contribution to urban sanitation management in the collection and final treatment of household garbage, and if the waste water generated in the operation process of the transfer station cannot be effectively treated, the waste water can cause great harm to surrounding water bodies and received drain pipes. The leachate generated in the compression process is high-concentration organic wastewater, the COD, BOD and NH3-N contents are high, the trace elements are not coordinated, the carbon-nitrogen ratio is unstable, and the water quality and the water quantity present obvious seasonal characteristics.

However, the existing garbage transfer station leachate treatment equipment generally adopts a physicochemical treatment and biochemical treatment process and a physicochemical treatment and DTRO membrane treatment process, and the physicochemical treatment and biochemical treatment process has the risk that the effluent does not reach the standard; the other method adopts a physicochemical treatment and DTRO membrane treatment process, but the DTRO membrane system has high investment cost and large pressure required by operation, organic pollutants and the like are easy to foul and block DTRO membranes, so that the cleaning frequency is high, and the replacement cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rubbish transfer station filtration liquid treatment facility solves the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rubbish transfer station filtration liquid treatment facility, includes grid well, equalizing basin, deoiling equipment, coagulating sedimentation tank, buffer pool, high-efficiency anaerobic reactor, AO bioreactor system, MBR pond, clean water basin, molecular sieve and pressure filter, grid well, equalizing basin, deoiling equipment, coagulating sedimentation tank, buffer pool, high-efficiency anaerobic reactor, AO bioreactor system, MBR pond, clean water basin and the molecular sieve between modularization connection in proper order, the mud of coagulating sedimentation tank and MBR pond production accesss to the pressure filter, AO bioreactor system includes denitrification tank and nitrification tank, most mud among nitrification tank and the MBR pond flows back in the denitrification tank.

Preferably, an aeration device is arranged in the regulating tank.

Preferably, a stirring device is arranged in each of the coagulating sedimentation tank and the buffer tank.

Preferably, the a/O bioreactor system and the MBR tank are designed integrally.

Preferably, anaerobic sludge is inoculated in the high-efficiency anaerobic reactor.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model belongs to the technical field of environmental protection equipment, in particular to a garbage transfer station leachate treatment device, which adopts a biochemical method to ensure the stability of the effluent of the treatment device and has good removal effect, the COD of the effluent is less than 100mg/L, the ammonia nitrogen is less than 25mg/L, and the secondary pollution problem of concentrated solution can be effectively avoided by adopting a molecular sieve; the integrated equipment is made by adopting a modular design, compared with the conventional civil engineering, the construction period can be shortened by one time, the integrated equipment can be flexibly assembled, modules can be increased or reduced according to the water quantity, the automation degree is high, the labor cost can be reduced, and the operation cost is low.

Drawings

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

in the figure: 1. a grid well; 2. a regulating tank; 3. oil removal equipment; 4. a coagulating sedimentation tank; 5. a buffer pool; 6. a high-efficiency anaerobic reactor; 7. an A/O bioreactor system; 8. an MBR tank; 9. a clean water tank; 10. a molecular sieve; 11. a filter press; 12. a denitrification tank; 13. a nitrification tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a rubbish transfer station filtration liquid treatment facility, includes grid well 1, equalizing basin 2, deoiling equipment 3, coagulating sedimentation tank 4, buffer pool 5, high-efficient anaerobic reactor 6, AO bioreactor system 7, MBR pond 8, clean water basin 9, molecular sieve 10 and pressure filter 11, grid well 1, equalizing basin 2, deoiling equipment 3, coagulating sedimentation tank 4, buffer pool 5, high-efficient anaerobic reactor 6, AO bioreactor system 7, MBR pond 8, clean water basin 9 and molecular sieve 10 between the modularization connect in proper order, the mud of coagulating sedimentation tank 4 and MBR pond 8 output accesss to pressure filter 11, AO bioreactor system 7 includes denitrification tank 12 and nitrification tank 13, most mud among nitrification tank 13 and the MBR pond 8 flows back to in denitrification tank 12.

Further, an aeration device is arranged in the adjusting tank 2.

Furthermore, stirring devices are arranged in the coagulating sedimentation tank 4 and the buffer tank 5.

Further, the a/O bioreactor system 7 and the MBR tank 8 are designed integrally.

Further, anaerobic sludge is inoculated in the high-efficiency anaerobic reactor 6.

The working principle is as follows: the utility model relates to a rubbish transfer station filtration liquid treatment facility, during the use, filtration liquid loops through bars well 1, equalizing basin 2, deoiling equipment 3, coagulating sedimentation tank 4, buffer pool 5, high-efficient anaerobic reactor 6, AO bioreactor system 7, MBR pond 8, clean water basin 9 and molecular sieve 10, debris in to filtration liquid are clear away through bars well 1, the back goes into equalizing basin 2 and adjusts the quality of water yield, prevent quality of water, water yield and pH value have fluctuation by a wide margin, make structures and canal not receive the impact of waste water peak flow or concentration variation in the processing system, maintain the stable operation of follow-up processing system, set up aeration equipment in equalizing basin 2 and carry out the aeration stirring with even quality of water, then through deoiling equipment 3, make filtration liquid top oil slick pass through oil water separator and water and send to gathering storage tank, get rid of most oil slick; then the wastewater enters a coagulating sedimentation tank 4, reaction conditions such as different reagents, stirring power and the like are added into the coagulating sedimentation tank 4 to form large and firm alum floc in the tank, large-particle organic matters or heavy metal colloids contained in the water are removed, the removal rate is ensured, and after a coagulating flocculant is added, the formed floc SS is subjected to solid-liquid separation in the coagulating sedimentation tank; the wastewater after the coagulating sedimentation treatment is sent to a buffer tank 5, nutrient salt required by anaerobic treatment is added in the process, meanwhile, liquid caustic soda/concentrated sulfuric acid is added to adjust the pH value of the wastewater to be between 6.0 and 9.0, the wastewater is stirred to be uniformly and fully pre-acidified, and the substances which are difficult to degrade are decomposed into organic substrates which are easy to degrade, so that the subsequent anaerobic treatment is facilitated, and part of COD is removed; then enters an anaerobic reactor 6, and anaerobic sludge which can convert COD in the wastewater into methane is inoculated in the anaerobic reactor 6; then the wastewater enters a denitrification tank 12 to decompose and convert various complex organic matters in the wastewater into small molecular substances such as formic acid, acetic acid and the like through an anoxic biological treatment method; the sludge enters a nitrification tank 13 and is decomposed by an aerobic activated sludge method to remove organic pollutants in the sewage, then the sludge is separated from water, most of the sludge flows back to a denitrification tank 12, and the rest of the sludge is discharged and pressed into a sludge cake by a filter press 11 to be transported outside; the biochemical treatment effect is enhanced through the MBR tank 8; the advanced treatment of the wastewater is carried out through the molecular sieve 10, and the low-concentration COD and ammonia nitrogen are effectively removed, so that the standard discharge is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rubbish transfer station filtration liquid treatment facility which characterized in that: comprises a grating well (1), an adjusting tank (2), an oil removing device (3), a coagulating sedimentation tank (4), a buffer tank (5), a high-efficiency anaerobic reactor (6), an A/O bioreactor system (7), an MBR tank (8), a clean water tank (9), a molecular sieve (10) and a filter press (11), the grating well (1), the adjusting tank (2), the oil removing equipment (3), the coagulating sedimentation tank (4), the buffer tank (5), the high-efficiency anaerobic reactor (6), the A/O bioreactor system (7), the MBR tank (8), the clean water tank (9) and the molecular sieve (10) are sequentially connected in a modularized way, the sludge produced by the coagulating sedimentation tank (4) and the MBR tank (8) is led to a filter press (11), the A/O bioreactor system (7) comprises a denitrification tank (12) and a nitrification tank (13), most of the sludge in the nitrification tank (13) and the MBR tank (8) flows back to the denitrification tank (12).

2. The leachate treatment equipment of the refuse transfer station according to claim 1, wherein: an aeration device is arranged in the adjusting tank (2).

3. The leachate treatment equipment of the refuse transfer station according to claim 1, wherein: and stirring devices are arranged in the coagulating sedimentation tank (4) and the buffer tank (5).

4. The leachate treatment equipment of the refuse transfer station according to claim 1, wherein: the A/O bioreactor system (7) and the MBR tank (8) are designed integrally.

5. The leachate treatment equipment of the refuse transfer station according to claim 1, wherein: anaerobic sludge is inoculated in the high-efficiency anaerobic reactor (6).