CN216106543U

CN216106543U - Electrolytic excess sludge sterilizing device

Info

Publication number: CN216106543U
Application number: CN202220306598.7U
Authority: CN
Inventors: 臧文平; 臧昜; 李华; 王广; 赵夕; 颜世君; 许丽华
Original assignee: Tianjin Yangguang Xinxian Technology Development Co ltd
Current assignee: Tianjin Yangguang Xinxian Technology Development Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-03-22
Anticipated expiration: 2032-02-16

Abstract

The utility model relates to the technical field of sludge treatment, and discloses an electrolytic excess sludge sterilization device which comprises an electrolytic tank, a buffer area and an electrolytic area, wherein the buffer area is arranged on one side inside the electrolytic tank, the electrolytic area is arranged on one side of the buffer area, a sewage and water distribution plate is arranged on one side, close to the electrolytic area, inside the electrolytic tank, a sewage inlet is formed in one side of the electrolytic tank, a sewage discharge port is formed in the other side of the electrolytic tank, and a connecting shaft is arranged inside the buffer area. According to the utility model, the connecting shaft and the spiral stirrer are arranged in the buffer area, so that the first motor is started to drive the connecting shaft and the spiral stirrer to rotate conveniently, and the slurry in the buffer area can be stirred, therefore, the flow of the sludge is more uniform, the sludge is prevented from being accumulated in the buffer area and being incapable of moving continuously, meanwhile, the guide plate is arranged, the sludge is conveniently guided to be in a flowing state, the normal operation of the device is ensured, and the condition of dead water in the buffer area is avoided.

Description

Electrolytic excess sludge sterilizing device

Technical Field

The utility model relates to the technical field of sludge treatment, in particular to an electrolytic excess sludge sterilization device.

Background

At present, the sewage treatment in China mainly adopts a biochemical treatment process, the biggest defect is that a large amount of unavoidable by-products, namely excess sludge is generated, the excess sludge contains a large amount of nutrient substances, humus, pathogenic bacteria, parasites (eggs), heavy metals and refractory and toxic and harmful substances, if the pollutants cannot be properly treated, serious secondary pollution can be caused to the environment, the currently common sludge sterilization technology mainly adopts a heat treatment method and a chemical method, the heat treatment is to heat and sterilize the excess sludge by solar energy or combustion heat energy, but the technology has the disadvantages of large energy consumption, large occupied area and low treatment efficiency; the chemical treatment method mainly comprises strong oxidant adding sterilization and ultraviolet sterilization, wherein the strong oxidant adding causes secondary pollution of excess sludge, and increases the treatment difficulty, so that an electrolytic excess sludge sterilization device is needed.

Chinese patent discloses a residual sludge treatment device (No. CN 202785935U), which is technically characterized in that sludge is dewatered by a reasonable sludge treatment method to reduce the moisture in the sludge on one hand and reduce the operation cost in a drying stage on the other hand; the waste heat in the boiler tail gas is utilized in the drying process of the sludge, and the renewable resources are fully utilized; the dried sludge is combusted with fuel coal, so that energy is saved, pollution to the environment is reduced, energy conservation and emission reduction are realized, the required energy consumption is large, the occupied area is large, the treatment efficiency is low, and the sludge is easy to accumulate and block in the sludge treatment process, so that the treatment efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electrolytic excess sludge sterilization device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

an electrolytic excess sludge sterilization device comprises an electrolytic tank, a buffer area and an electrolytic area, wherein the buffer area is arranged on one side inside the electrolytic tank, the electrolytic area is arranged on one side of the buffer area, a sewage and water distribution plate is arranged on one side, close to the electrolytic area, inside the electrolytic tank, a sewage inlet is arranged on one side of the electrolytic tank, a sewage discharge outlet is arranged on the other side of the electrolytic tank, a connecting shaft is arranged inside the buffer area, a spiral stirrer is arranged on the connecting shaft, a sewage and water distribution plate is arranged on one side, close to the connecting shaft, inside the buffer area, a lead screw is arranged on one side of the sewage and water distribution plate, a slide block is arranged on the lead screw, a cleaning brush is arranged between one side of the slide block and the sewage and water distribution plate, a plurality of electrolytic plates are arranged inside the electrolytic area, and a water passing hole is arranged between one end of each electrolytic plate and the electrolytic tank, the water holes are arranged in parallel and staggered.

As a still further scheme of the utility model: the sewage inlet and distribution plate and the sewage discharge and distribution plate are provided with a plurality of through holes, and the bottom of the buffer area is provided with a guide plate.

As a still further scheme of the utility model: and a sewage inlet pipe is arranged on one side of the sewage inlet, and a sludge pump is arranged on one side of the sewage inlet pipe.

As a still further scheme of the utility model: one side of the drain outlet is provided with a drain pipe, and the rear side of the electrolytic tank is provided with a direct current power supply.

As a still further scheme of the utility model: a first motor is arranged above the electrolytic tank, and an output shaft of the first motor penetrates through the electrolytic tank and is connected with the connecting shaft.

As a still further scheme of the utility model: and a second motor is arranged on one side, close to the first motor, above the electrolytic tank, and an output shaft of the second motor penetrates through the electrolytic tank and is connected with the screw rod.

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

1. the buffer area is arranged in the electrolytic tank, so that after an operator starts a sludge pump to guide external sewage and sludge into the electrolytic tank, the buffer area can reduce the impact of water flow, the device can run more stably, meanwhile, the buffer area is internally provided with a connecting shaft which is provided with a spiral stirrer, a first motor is convenient to start, the first motor drives the connecting shaft and the spiral stirrer to rotate, mud in the buffer area can be stirred, the flow of the sludge is more uniform, the sludge is prevented from being accumulated in the buffer area and cannot move continuously, meanwhile, the bottom of the buffer area is provided with a guide plate which is convenient to guide the sludge to be in a flowing state, the normal running of the device is ensured, the condition of dead water in the buffer area is avoided, and the sewage inlet water distribution plate is provided with a plurality of through holes by arranging the sewage inlet water distribution plate at one end in the buffer area, the through-hole from the top down aperture increases progressively in proper order, has guaranteed the effect and the electrolysis efficiency of later stage electrolysis, and one side of advancing dirty cloth water board simultaneously is provided with the lead screw, is provided with slider and cleaning brush on the lead screw, and the staff of being convenient for regularly starts the second motor, and the second motor drives the lead screw and rotates to drive slider and cleaning brush and reciprocate, wash the through-hole, avoid the through-hole to appear blockking up, influence electrolysis efficiency.

2. One side through being close to the buffer area in the inside of electrolysis box is provided with the electrolysis district, the inside in electrolysis district is provided with a plurality of electrolysis boards, be provided with the water hole between the one end of electrolysis board and the electrolysis box, be convenient for excess sludge through the water hole through electrolysis board reciprocating flow, continuous electrolytic sterilization carries out, thereby realize carrying out germicidal treatment to excess sludge, can destroy the inside active microorganism cell wall of mud, thereby reach the mesh of disinfecting, and then reduce the excess sludge treatment degree of difficulty, reduce mud harm degree, and whole process power consumption is less, reduce the use of the energy, simultaneously can continuous output, the treatment effeciency is high, it is convenient more fast to use, more do benefit to the staff and use.

Drawings

FIG. 1 is a schematic view showing the construction of an apparatus for sterilizing electrolyzed residual sludge;

FIG. 2 is a sectional top view of an apparatus for sterilizing electrolyzed residual sludge;

FIG. 3 is a side sectional view of an electrolytic excess sludge sterilizing apparatus.

In the figure: 1. an electrolytic tank; 2. a sewage inlet; 3. a sewage inlet pipe; 4. a sludge pump; 5. a sewage draining outlet; 6. a blow-off pipe; 7. a first motor; 8. a second motor; 9. a buffer area; 10. a connecting shaft; 11. a helical agitator; 12. a sewage inlet and distribution plate; 13. a cleaning brush; 14. a screw rod; 15. an electrolysis zone; 16. an electrolytic plate; 17. water passing holes; 18. a sewage draining and distributing plate; 19. a direct current power supply; 20. a slider; 21. a through hole; 22. a baffle.

Detailed Description

Referring to fig. 1-3, in the embodiment of the utility model, an electrolytic excess sludge sterilization device comprises an electrolytic tank 1, a buffer area 9 and an electrolytic area 15, wherein the buffer area 9 is arranged on one side inside the electrolytic tank 1, the electrolytic area 15 is arranged on one side of the buffer area 9, a sewage discharge and water distribution plate 18 is arranged on one side, close to the electrolytic area 15, inside the electrolytic tank 1, a sewage inlet 2 is arranged on one side of the electrolytic tank 1, a sewage discharge outlet 5 is arranged on the other side of the electrolytic tank 1, a connecting shaft 10 is arranged inside the buffer area 9, a spiral stirrer 11 is arranged on the connecting shaft 10, a sewage inlet and water distribution plate 12 is arranged on one side, close to the connecting shaft 10, inside the buffer area 9, a screw rod 14 is arranged on one side of the sewage inlet and water distribution plate 12, a slide block 20 is arranged on the screw rod 14, a cleaning brush 13 is arranged between one side of the slide block 20 and the sewage inlet and water distribution plate 12, a plurality of electrolytic plates 16 are arranged inside the electrolytic area 15, the electrolysis board 16 can select the graphite plate material, is provided with between the one end of electrolysis board 16 and the electrolytic tank 1 and crosses water hole 17, crosses parallel staggered arrangement between the water hole 17, through electrolysis board 16 and the dual function of crossing water hole 17, and surplus sludge makes a round trip to reciprocate to flow in electrolysis 15 inside, and it is long when having increased surplus sludge's electrolysis area and electrolysis.

In fig. 2 and 3: all be provided with a plurality of through-holes 21 on advancing dirty water distribution board 12 and the blowdown water distribution board 18, through-hole 21 from the top down aperture increases progressively in proper order, has guaranteed the effect and the electrolytic efficiency of later stage electrolysis, and the bottom of buffer 9 is provided with guide plate 22, is convenient for guide mud in mobile state, has guaranteed the device normal operating.

In fig. 1 and 2: a sewage inlet pipe 3 is arranged on one side of the sewage inlet 2, and a sludge pump 4 is arranged on one side of the sewage inlet pipe 3.

In fig. 2: one side of drain 5 is provided with blow off pipe 6, is convenient for discharge mud in low reaches equipment or the mud collecting tank, and the rear side of electrolysis box 1 is provided with DC power supply 19, is convenient for with 16 electric connection of electrolysis board.

In fig. 1 and 3: the top of electrolysis box 1 is provided with first motor 7, and the output shaft of first motor 7 runs through electrolysis box 1 and is connected with connecting axle 10, and first motor 7 drives connecting axle 10 and helical agitator 11 and rotates, can stir 9 inside mud of buffers to the flow of mud is more even.

In fig. 1 and 3: one side that the top of electrolysis box 1 is close to first motor 7 is provided with second motor 8, and the output shaft of second motor 8 runs through electrolysis box 1 and lead screw 14 and connects, and second motor 8 drives lead screw 14 and rotates to drive slider 20 and cleaning brush 13 and reciprocate, wash through-hole 21, avoid through-hole 21 to appear blockking up, influence electrolysis efficiency.

The working principle of the utility model is as follows: when the device is used, after a worker starts a sludge pump 4 to guide external sewage and sludge into the electrolytic tank 1 by arranging the buffer zone 9 in the electrolytic tank 1, the impact of water flow can be reduced by utilizing the buffer zone 9, so that the device runs more stably, meanwhile, the buffer zone 9 is internally provided with a connecting shaft 10, the connecting shaft 10 is provided with a spiral stirrer 11 to facilitate the starting of a first motor 7, the first motor 7 drives the connecting shaft 10 and the spiral stirrer 11 to rotate to stir the slurry in the buffer zone 9, so that the flow of the sludge is more uniform, the sludge is prevented from being accumulated in the buffer zone 9 and cannot move continuously, the bottom of the buffer zone 9 is provided with a guide plate 22 to facilitate the guiding of the sludge in a flowing state, the normal running of the device is ensured, the condition that dead water appears in the buffer zone 9 is avoided, and a sewage inlet and distribution plate 12 is arranged at one end in the buffer zone 9, the sewage inlet water distribution plate 12 is provided with a plurality of through holes 21, the diameters of the through holes 21 are sequentially increased from top to bottom, the later electrolysis effect and the electrolysis efficiency are ensured, meanwhile, one side of the sewage inlet water distribution plate 12 is provided with a screw rod 14, the screw rod 14 is provided with a slide block 20 and a cleaning brush 13, a worker can conveniently start a second motor 8 at regular time, the second motor 8 drives the screw rod 14 to rotate, so as to drive the slide block 20 and the cleaning brush 13 to move up and down, the through holes 21 are cleaned, the blockage of the through holes 21 is avoided, the electrolysis efficiency is influenced, an electrolysis area 15 is arranged at one side close to a buffer area 9 in the electrolysis box 1, a plurality of electrolysis plates 16 are arranged in the electrolysis area 15, a water through hole 17 is arranged between one end of the electrolysis plate 16 and the electrolysis box 1, so that residual sludge can conveniently flow back and forth through the electrolysis plate 16 through the water through hole 17, and can be continuously electrolyzed and sterilized, and the residual sludge can be sterilized, can destroy the inside active microorganism cell wall of mud to reach the purpose of disinfecting, and then reduce the excess sludge treatment degree of difficulty, reduce mud harm degree, and whole process power consumption is less, reduce the use of the energy, simultaneously can continuous output, the treatment effeciency is high, and it is more convenient to use fast, more does benefit to the staff and uses.

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 scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. An electrolytic excess sludge sterilization device comprises an electrolytic tank (1), a buffer area (9) and an electrolytic area (15), wherein the buffer area (9) is arranged on one side inside the electrolytic tank (1), the electrolytic area (15) is arranged on one side of the buffer area (9), and the electrolytic excess sludge sterilization device is characterized in that a sewage discharge and water distribution plate (18) is arranged on one side, close to the electrolytic area (15), inside the electrolytic tank (1), a sewage inlet (2) is arranged on one side of the electrolytic tank (1), a sewage outlet (5) is arranged on the other side of the electrolytic tank (1), a connecting shaft (10) is arranged inside the buffer area (9), a spiral stirrer (11) is arranged on the connecting shaft (10), a sewage inlet and water distribution plate (12) is arranged on one side, close to the connecting shaft (10), inside the buffer area (9), and a screw rod (14) is arranged on one side of the sewage inlet and water distribution plate (12), be provided with slider (20) on lead screw (14), be provided with between one side of slider (20) and the dirty water distribution board (12) cleaning brush (13), the inside in electrolysis district (15) is provided with a plurality of electrolysis boards (16), be provided with between the one end of electrolysis board (16) and electrolysis box (1) and cross water hole (17), cross parallel staggered arrangement between water hole (17).

2. The electrolytic excess sludge sterilization device according to claim 1, wherein the sewage inlet distribution plate (12) and the sewage distribution plate (18) are provided with a plurality of through holes (21), and the bottom of the buffer zone (9) is provided with a guide plate (22).

3. The electrolytic excess sludge sterilization apparatus according to claim 1, wherein a sludge inlet pipe (3) is provided at one side of the sludge inlet (2), and a sludge pump (4) is provided at one side of the sludge inlet pipe (3).

4. The electrolytic excess sludge sterilization apparatus according to claim 1, wherein a drain pipe (6) is provided at one side of the drain outlet (5), and a DC power supply (19) is provided at the rear side of the electrolytic tank (1).

5. The electrolytic excess sludge sterilization device according to claim 1, wherein a first motor (7) is arranged above the electrolytic tank (1), and an output shaft of the first motor (7) penetrates through the electrolytic tank (1) and is connected with the connecting shaft (10).

6. The electrolytic excess sludge sterilization device according to claim 5, wherein a second motor (8) is arranged above the electrolytic tank (1) and close to one side of the first motor (7), and an output shaft of the second motor (8) penetrates through the electrolytic tank (1) and is connected with the screw rod (14).