CN213865821U - Novel biochemical treatment system for treating leachate of sewage treatment station - Google Patents

Abstract

The utility model belongs to the technical field of sewage filtration liquid is used, specifically disclose a novel biochemical treatment system for sewage treatment station filtration liquid is handled, by the preliminary treatment subassembly, and cooperate MBR membrane treatment component and the sludge treatment subassembly that uses with the preliminary treatment subassembly and constitute. The utility model discloses a novel biochemical treatment system for sewage treatment station filtration liquid is handled's beneficial effect lies in: the device has reasonable design structure, and the pretreatment assembly, the MBR membrane treatment assembly and the sludge treatment assembly which are matched for use can complete the efficient, stable and safe biochemical treatment of leachate sewage, improve the water treatment efficiency of a sewage station and meet the water treatment requirements of energy conservation and environmental protection.

Description

Novel biochemical treatment system for treating leachate of sewage treatment station

Technical Field

The utility model belongs to the technical field of sewage filtration liquid is used, concretely relates to a novel biochemical treatment system for sewage treatment station filtration liquid is handled for carry out high efficiency and stable processing to the filtration liquid sewage of sewage station.

Background

The sewage pump generally refers to a sewage pump station, and the sewage pump station is an engineering facility for pumping and conveying sewage in urban drainage engineering. When sewage in a sewage pipeline cannot be conveyed or discharged by gravity, or construction is difficult due to the fact that the sewage is buried too deeply in a common channel, or the sewage enters a sewage treatment plant after being positioned at a main pipe terminal and needing to be pumped up, a sewage pump station is required to be arranged.

The sewage pumping station is an important component of a sewage system and is characterized by continuous water flow, small water flow, large variation range and high pollutant content in water, so that the water collecting tank has enough regulation volume during design, a standby pump needs to be considered, in addition, the pollution to the environment is reduced as much as possible during design, and better management and maintenance conditions are provided in the station.

During the stacking and burying process of garbage, due to the biochemical degradation effects of compaction, fermentation and the like, a high-concentration liquid with organic or inorganic components is generated under the seepage action of precipitation and underground water, and the high-concentration liquid is called as garbage leachate, also called as leachate. Factors influencing the generation of percolate are many, and mainly include rainfall condition of a garbage stacking and burying area, the property and the composition of garbage, seepage-proofing treatment condition of a landfill site, hydrogeological conditions of the site and the like.

In the water treatment process of the sewage station, the landfill leachate needs to be subjected to biochemical treatment so as to meet the environment-friendly discharge requirement of sewage treatment.

Therefore, based on the above problem, the utility model provides a novel biochemical treatment system for sewage treatment station filtration liquid is handled.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a novel biochemical treatment system for sewage treatment station filtration liquid is handled, its project organization is reasonable, and pretreatment assembly, MBR membrane treatment subassembly and the sludge treatment subassembly that cooperate and use, it can accomplish filtration liquid sewage high efficiency, stable and safe biochemical treatment, improves sewage station water treatment efficiency, and realizes the water treatment requirement of energy-conservation, environmental protection.

The technical scheme is as follows: the utility model provides a novel biochemical treatment system for treating leachate in a sewage treatment station, which consists of a pretreatment component, an MBR membrane treatment component and a sludge treatment component, wherein the MBR membrane treatment component and the sludge treatment component are matched with the pretreatment component; the pretreatment component comprises a primary sedimentation tank, an intermediate water tank connected with the primary sedimentation tank, an intermediate water tank submersible stirrer arranged in the intermediate water tank, a group of submersible pumps and a pulse water distributor matched with the group of submersible pumps for use, wherein the group of submersible pumps and the pulse water distributor are connected through a first water pipe; the MBR membrane treatment assembly comprises an MBR water production tank, an MBR cleaning tank, a main water pipe connected with a filter head, and branch water pipes respectively connected with the main water pipe, wherein one end of each branch water pipe is connected with the MBR cleaning tank, an MBR water production tank water guide pipe with two ends respectively connected with the MBR water production tank and the main water pipe, an MBR cleaning tank water guide pipe with two ends respectively connected with the main water pipe and the MBR cleaning tank, a first MBR water production tank water guide pipe pneumatic butterfly valve, a second MBR water production tank water guide pipe pneumatic butterfly valve, a first single-piece check valve, a second single-piece check valve, a first centrifugal pump and a first auxiliary filter which are respectively arranged on the branch water pipe and the second MBR water production tank water guide pipe, a third single-piece check valve and a second auxiliary filter which are respectively arranged on the MBR cleaning tank water guide pipe, a water outlet pipe connected with the MBR water production tank, and a fourth single-piece check valve, a second centrifugal pump and a second auxiliary filter which are arranged on the water outlet pipe, The second centrifugal pump, a cleaning water pipe connected with the MBR cleaning tank and a fifth single-piece type check valve arranged on the cleaning water pipe; the sludge treatment assembly comprises a sludge pool, a sludge pool submersible stirrer arranged in the sludge pool, a mixed sludge guide pipe, a first manual ball valve, a third centrifugal pump, a second manual ball valve, a mixed sludge outlet pipe, a diaphragm pump and a third manual ball valve, wherein the two ends of the mixed sludge guide pipe are respectively connected with the liquid collecting pool and the sludge pool, the first manual ball valve, the third centrifugal pump and the second manual ball valve are arranged on the mixed sludge guide pipe, the mixed sludge outlet pipe is connected with the sludge pool, and the diaphragm pump and the third manual ball valve are arranged on the mixed sludge outlet pipe.

This technical scheme, a novel biochemical treatment system for sewage treatment station filtration liquid is handled, still including setting up the first level gauge on middle pond, and set up the second level gauge on the collecting tank, and set up the manometer in main raceway one end, and set up the third level gauge on MBR produces the water tank, and set up the flowmeter on the sludge impoundment.

According to the technical scheme, the novel biochemical treatment system for treating the percolate in the sewage treatment station further comprises a return pipe and a thermometer, wherein the two ends of the return pipe are respectively connected with the mixed sludge guide pipe and the anoxic tank, and the thermometer is arranged at one end of the return pipe.

Compared with the prior art, the utility model discloses a novel biochemical treatment system for sewage treatment station filtration liquid is handled's beneficial effect lies in: the device has reasonable design structure, and the pretreatment assembly, the MBR membrane treatment assembly and the sludge treatment assembly which are matched for use can complete the efficient, stable and safe biochemical treatment of leachate sewage, improve the water treatment efficiency of a sewage station and meet the water treatment requirements of energy conservation and environmental protection.

Drawings

FIG. 1 is a schematic structural diagram of the novel biochemical treatment system for treating leachate in a sewage treatment station.

Detailed Description

The invention will be further elucidated with reference to the drawings and the specific embodiments.

Examples

The novel biochemical treatment system for treating leachate in a sewage treatment station as shown in fig. 1 consists of a pretreatment assembly, and an MBR membrane treatment assembly and a sludge treatment assembly which are matched with the pretreatment assembly; the pretreatment component comprises a primary sedimentation tank 1, an intermediate water tank 2 connected with the primary sedimentation tank 1, an intermediate water tank submersible stirrer 3 arranged in the intermediate water tank 2, a group of submersible pumps 4, and a pulse water distributor 8 matched with the group of submersible pumps 4 for use, wherein the group of submersible pumps 4 and the pulse water distributor 8 are connected through a first water pipe 21, a group of check valves 6, a group of manual butterfly valves 7 and a filter 10 are arranged on the first water pipe 21, a hydrolysis tank 11 matched with the pulse water distributor 8 for use, a water distribution pipe 50 arranged on the pulse water distributor 8 and with one end positioned in the hydrolysis tank 11, an anoxic tank 12 arranged at one side of the hydrolysis tank 11, an aerobic tank 13 arranged at one side of the anoxic tank 12, a liquid collection tank 51 arranged at one side of the aerobic tank 13, and a water distribution pipe 51, an anoxic tank 12, an aerobic tank 13, a water distribution pipe and a water distribution pipe, An anoxic pond submersible stirrer 14, a group of aerobic pond stirrers 18 and a filter head 15 in the liquid collecting pond 51; the MBR membrane treatment assembly comprises an MBR water production tank 19, an MBR cleaning tank 20, a main water pipe 22 connected with a filter head 15, branch water pipes 25 respectively connected with the main water pipe 22, wherein one end of each branch water pipe 25 is connected with the MBR cleaning tank 20, an MBR water production tank water guide pipe 23 with two ends respectively connected with the MBR water production tank 19 and the main water pipe 22, an MBR cleaning tank water guide pipe 24 with two ends respectively connected with the main water pipe 22 and the MBR cleaning tank 20, a first MBR water production tank water guide pipe pneumatic butterfly valve 26, a second MBR water production tank water guide pipe pneumatic butterfly valve 27, a first check valve 28, a second single-sheet check valve 30, a first centrifugal pump 29, a first auxiliary filter 31, a third single-sheet check valve 32 and a second auxiliary filter 33 which are respectively arranged on the branch water pipe 25 and the second MBR water production tank water guide pipe 23, a water outlet pipe 35 connected with the MBR water production tank 19, a fourth single-chip check valve 36 and a second centrifugal pump 37 which are arranged on the water outlet pipe 35, a cleaning water pipe 48 connected with the MBR cleaning tank 20, and a fifth single-chip check valve 49 arranged on the cleaning water pipe 48; the sludge treatment assembly comprises a sludge pool 44, a sludge pool submersible mixer 53 arranged in the sludge pool 44, a mixed sludge guide pipe 38 with two ends respectively connected with a liquid collecting pool 51 and the sludge pool 44, a first manual ball valve 41, a third centrifugal pump 42 and a second manual ball valve 43 arranged on the mixed sludge guide pipe 38, a mixed sludge outlet pipe 45 connected with the sludge pool 44, and a diaphragm pump 47 and a third manual ball valve 46 arranged on the mixed sludge outlet pipe 45.

Further preferably, the novel biochemical treatment system for treating leachate in the sewage treatment station further comprises a first liquid level meter 5 arranged on the intermediate water tank 2, a second liquid level meter 16 arranged on the liquid collecting tank 51, a pressure gauge 17 arranged at one end of the main water conveying pipe 22, a third liquid level meter 34 arranged on the MBR water production tank 19, and a flow meter 9 arranged on the sludge tank 44; and the novel biochemical treatment system for treating the percolate of the sewage treatment station also comprises a return pipe 39 and a thermometer 40, wherein the two ends of the return pipe 39 are respectively connected with the mixed sludge guide pipe 38 and the anoxic tank 12, and the thermometer 40 is arranged at one end of the return pipe 39.

The novel biochemical treatment system for sewage treatment station filtration liquid of this structure, its project organization is reasonable, and pretreatment assembly, MBR membrane treatment subassembly and the sludge treatment subassembly that cooperate to use, it can accomplish filtration liquid sewage high efficiency, stable and safe biochemical treatment, improves sewage station water treatment efficiency, and realizes the water treatment requirement of energy-conservation, environmental protection.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims (3)

1. A novel biochemical treatment system for sewage treatment station filtration liquid is handled, its characterized in that: the device consists of a pretreatment component, an MBR membrane treatment component and a sludge treatment component which are matched with the pretreatment component; the pretreatment component comprises a primary sedimentation tank (1), an intermediate water tank (2) connected with the primary sedimentation tank (1), an intermediate water tank submersible stirrer (3) arranged in the intermediate water tank (2), a group of submersible pumps (4), and a pulse water distributor (8) matched with the group of submersible pumps (4) for use, wherein the group of submersible pumps (4) and the pulse water distributor (8) are connected through a first water pipe (21), the first water pipe (21) is provided with a group of check valves (6), a group of manual butterfly valves (7), a filter (10), a hydrolysis tank (11) matched with the pulse water distributor (8) for use, a water distribution pipe (50) arranged on the pulse water distributor (8) and one end of the water distribution pipe is positioned in the hydrolysis tank (11), an anoxic tank (12) arranged on one side of the hydrolysis tank (11), and an aerobic tank (13) arranged on one side of the anoxic tank (12), a liquid collecting tank (51) arranged at one side of the aerobic tank (13), and an anoxic tank submersible stirrer (14), a group of aerobic tank stirrers (18) and a filter head (15) which are respectively arranged in the anoxic tank (12), the aerobic tank (13) and the liquid collecting tank (51); MBR membrane treatment unit, produce water tank (19) including the MBR, MBR washs case (20), and main raceway (22) of being connected with filter head (15), and branch raceway (25) of being connected with main raceway (22) respectively, wherein, the one end and the MBR of branch raceway (25) wash case (20) and be connected, and both ends respectively with MBR produce water tank (19), MBR that main raceway (22) are connected produce water tank aqueduct (23), and both ends respectively with main raceway (22), MBR wash case aqueduct (24) that MBR washs case (20) and be connected, and set up respectively in branch raceway (25), MBR production water tank MBR on MBR aqueduct (23) first MBR of producing water tank aqueduct pneumatic butterfly valve (26), MBR pneumatic butterfly valve (27) of second MBR of producing water tank, first monolithic check valve (28), second monolithic check valve (30), first centrifugal pump (29), The MBR cleaning system comprises a first auxiliary filter (31), a third single-sheet type check valve (32) and a second auxiliary filter (33) which are arranged on an MBR cleaning tank water guide pipe (24), a water outlet pipe (35) connected with an MBR water production tank (19), a fourth single-sheet type check valve (36) and a second centrifugal pump (37) which are arranged on the water outlet pipe (35), a cleaning water pipe (48) connected with an MBR cleaning tank (20), and a fifth single-sheet type check valve (49) arranged on the cleaning water pipe (48); the sludge treatment assembly comprises a sludge pool (44), a sludge pool submersible stirrer (53) arranged in the sludge pool (44), a mixed sludge guide pipe (38) with two ends respectively connected with the liquid collecting pool (51) and the sludge pool (44), a first manual ball valve (41), a third centrifugal pump (42) and a second manual ball valve (43) arranged on the mixed sludge guide pipe (38), a mixed sludge outlet pipe (45) connected with the sludge pool (44), a diaphragm pump (47) arranged on the mixed sludge outlet pipe (45) and a third manual ball valve (46).

2. The novel biochemical treatment system for leachate treatment in sewage treatment plant according to claim 1, wherein: the novel biochemical treatment system for the leachate treatment of the sewage treatment station further comprises a first liquid level meter (5) arranged on the middle water tank (2), a second liquid level meter (16) arranged on the liquid collecting tank (51), a pressure meter (17) arranged at one end of the main water conveying pipe (22), a third liquid level meter (34) arranged on the MBR water production tank (19), and a flow meter (9) arranged on the sludge tank (44).

3. The novel biochemical treatment system for leachate treatment in sewage treatment plant according to claim 1 or 2, characterized in that: the novel biochemical treatment system for treating the percolate in the sewage treatment station further comprises a return pipe (39) and a thermometer (40), wherein the two ends of the return pipe (39) are respectively connected with the mixed sludge guide pipe (38) and the anoxic tank (12), and the thermometer (40) is arranged at one end of the return pipe (39).

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