CN216106591U

CN216106591U - Electrolytic excess sludge reduction device

Info

Publication number: CN216106591U
Application number: CN202220306601.5U
Authority: CN
Inventors: 臧文平; 臧昜; 赵夕; 王广; 李华; 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 excess sludge treatment, and particularly discloses an electrolytic excess sludge reduction device, wherein a sewage inlet is formed above a left side wall body of a sludge treatment box, a sewage inlet pipe is arranged on the sewage inlet, a sewage outlet is formed below a right side wall body of the sludge treatment box, a sewage discharge pipe is arranged on the sewage discharge outlet, a plurality of electrolytic plates are arranged at the middle position in the sludge treatment box, the electrolytic plates are vertically arranged in the sludge treatment box in a parallel staggered manner, a box door is arranged on the front surface of the sludge treatment box, and a door handle is arranged on the right side of the box door; when the wall breaking treatment is carried out on the excess sludge, and the electrolytic plate needs to be replaced, a worker can hold the door handle with a hand, rotate the door to open, take out the electrolytic plate from the sludge treatment box and complete replacement, so that the influence on the wall breaking effect of the subsequent excess sludge due to serious damage of the electrolytic plate is avoided.

Description

Electrolytic excess sludge reduction device

Technical Field

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

Background

At present, the sewage treatment in China mainly adopts a biochemical treatment process, and the greatest defect is that a large amount of unavoidable byproduct, namely excess sludge, is generated. The residual sludge contains a large amount of nutrient substances, humus, pathogenic bacteria, parasites (eggs), heavy metals and refractory toxic and harmful substances, and if the sludge is not properly treated, the sludge can cause serious secondary pollution to the environment. The water content of the excess sludge is as high as 99 percent, and the most common excess sludge treatment method at present is sludge dehydration, so that the weight and the volume of the sludge can be reduced.

A mud minimizing means of prior art development, a mud minimizing means like CN209583926U, the utility model discloses a be provided with the plate electrode, can be through the acid-base ion that exists among the effectual electrolysis mud of electrolytic reaction, the subsequent processing of mud has been made things convenient for, the stirring of puddler is being coordinated simultaneously, be provided with the water-collecting plate, can let in the inside of the device with external water source through the outlet of water-collecting plate lower surface, make things convenient for the joining of moisture, the dilution to mud is handled to the convenience, but it has following weak point in the use, the electrolysis board is in long-term use, can take place the damage of different degrees, the electrolysis board is difficult to change, can influence the broken wall of follow-up surplus mud and handle.

SUMMERY OF THE UTILITY MODEL

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

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

the utility model provides an electrolysis excess sludge minimizing device, includes sludge treatment case, advances dirty pipe and blow off pipe, sludge treatment case left side wall body's top has been seted up into dirty mouthful, it advances dirty pipe to be provided with on the dirty mouthful, sludge treatment case right side wall body's below has been seted up the blow off mouth, be provided with the blow off pipe on the blow off mouth, sludge treatment incasement portion's intermediate position is provided with a plurality of electrolytic plates, and is a plurality of the electrolytic plate becomes vertical parallel staggered arrangement in sludge treatment case's inside, sludge treatment case's front surface is provided with the chamber door, the right side of chamber door is provided with the door handle, the inside edge of chamber door is hugged closely and is provided with annular sealing pad.

As a further scheme of the utility model, one end of the electrolysis plate, which is not in contact with the sludge treatment box, is fixedly connected with a flow passing plate, the flow passing plate is provided with a flow passing hole, the inner wall of the sludge treatment box is provided with a groove at a position corresponding to the electrolysis plate and the flow passing plate, and the other ends of the electrolysis plate and the flow passing plate are inserted into the groove.

As a further scheme of the utility model, a sewage inlet valve is arranged on the sewage inlet pipe, a sludge pump is arranged on the left side of the sewage inlet valve, and a sewage discharge valve is arranged on the sewage discharge pipe.

As a further scheme of the utility model, a buffer plate is arranged on the left side inside the sludge treatment tank, a plurality of sewage inlet and distribution plates are sequentially arranged on the wall body on the left side of the buffer plate from top to bottom, the left end part of each sewage inlet and distribution plate is fixedly connected to the wall body of the sludge treatment tank, a plurality of first holes are formed in each sewage inlet and distribution plate, the number of the first holes is sequentially reduced from top to bottom, and the hole diameters of the first holes are sequentially reduced from top to bottom.

As a further scheme of the utility model, the right side in the sludge treatment tank is provided with a sewage distribution plate, and the bottom of the sewage distribution plate is provided with a second hole.

As a further scheme of the utility model, the left side and the right side of the electrolytic plate are both provided with scrapers, the scrapers are tightly attached to the electrolytic plate, the scrapers are provided with telescopic rods, and the tail ends of the telescopic rods are fixedly arranged on the inner wall of the sludge treatment box.

As a further scheme of the utility model, a storage battery is arranged in the middle of the top of the sludge treatment box, a lead is arranged between the storage battery and the electrolytic plate, and an electromagnetic switch is arranged on the lead.

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

the middle position in the sludge treatment box is provided with the plurality of electrolytic plates, the plurality of electrolytic plates are vertically arranged in parallel and staggered in the sludge treatment box, the front surface of the sludge treatment box is provided with the box door, the right side of the box door is provided with the door handle, when the electrolytic plates are required to be replaced during wall breaking treatment of the residual sludge, a worker can hold the door handle by hand to rotate and open the box door, so that the electrolytic plates are taken out of the sludge treatment box and replaced, and the influence on the wall breaking effect of the subsequent residual sludge due to serious damage of the electrolytic plates is avoided.

Drawings

FIG. 1 is a schematic view showing the construction of an apparatus for reducing electrolytic excess sludge;

FIG. 2 is a schematic view showing an internal structure of an electrolytic excess sludge reducing apparatus;

FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 1;

FIG. 4 is a schematic view of the internal structure of the sludge treatment tank.

In the figure: 1. a sludge treatment tank; 101. a sewage inlet; 102. a sewage draining outlet; 103. a groove; 2. a sewage inlet pipe; 201. a sewage inlet valve; 202. a sludge pump; 3. a blow-off pipe; 301. a blowdown valve; 4. an electrolytic plate; 401. an overflow plate; 402. an overflowing hole; 5. a box door; 501. a door handle; 502. an annular seal; 6. a buffer plate; 601. a sewage inlet and distribution plate; 602. a first hole; 7. a sewage draining and distributing plate; 701. a second hole; 8. a squeegee; 801. a telescopic rod; 9. a storage battery; 10. a wire; 11. an electromagnetic switch.

Detailed Description

Referring to fig. 1-4, in the embodiment of the utility model, an electrolytic excess sludge reduction device comprises a sludge treatment tank 1, a sewage inlet pipe 2 and a sewage outlet pipe 3, wherein a sewage inlet 101 is formed above a left side wall body of the sludge treatment tank 1, the sewage inlet 101 is provided with the sewage inlet pipe 2, a sewage outlet 102 is formed below a right side wall body of the sludge treatment tank 1, the sewage outlet 102 is provided with the sewage outlet pipe 3, a plurality of electrolytic plates 4 are arranged in the middle of the inside of the sludge treatment tank 1, the plurality of electrolytic plates 4 are vertically arranged in parallel and staggered in the sludge treatment tank 1, excess sludge sequentially passes through channels between the adjacent electrolytic plates 4 from left to right, so that the sequential reciprocating flow of the excess sludge is realized, the excess sludge is electrolyzed by the electrolytic plates 4, cell walls of active substances in the excess sludge are broken, and then the excess sludge is discharged through the sewage outlet pipe 3 and then is subjected to subsequent dehydration operation, the residual sludge after electrolysis reduces the difficulty of dehydration, the dehydration rate of a subsequent dehydration device is improved, the purposes of energy conservation and emission reduction are achieved, the front surface of the sludge treatment box 1 is provided with a box door 5, the right side of the box door 5 is provided with a door handle 501, the edge inside the box door 5 is tightly attached to and provided with an annular sealing gasket 502, the sealing effect between the sludge treatment box 1 and the box door 5 can be further improved through the annular sealing gasket 502, the residual sludge is prevented from being leaked, when the residual sludge is subjected to wall breaking treatment, when the electrolytic plate 4 needs to be replaced, a worker can hold the door handle 501 by hands, the box door 5 is rotated and opened, the electrolytic plate 4 is taken out of the sludge treatment box 1 and is replaced, and the serious damage of the electrolytic plate 4 is avoided, and the wall breaking effect of the subsequent residual sludge is influenced.

In fig. 2 and 4, an overflow plate 401 is fixedly connected to one end of the electrolysis plate 4 not in contact with the sludge treatment tank 1, an overflow hole 402 is formed in the overflow plate 401, a groove 103 is formed in the inner wall of the sludge treatment tank 1 at a position corresponding to the electrolysis plate 4 and the overflow plate 401, and the other ends of the electrolysis plate 4 and the overflow plate 401 are inserted into the groove 103.

In fig. 1 and fig. 2, it advances dirty valve 201 to be provided with on dirty pipe 2, and is provided with sludge pump 202 in the left side of advancing dirty valve 201, is provided with blowdown valve 301 on the blow off pipe 3, is carrying out the broken wall processing's in-process to surplus sludge, opens into dirty valve 201 and opens sludge pump 202, inhales mud in sludge treatment case 1, accomplishes the broken wall in sludge treatment case 1 and handles the back, discharges through blow off pipe 3, carries out subsequent dehydration.

In fig. 2, a buffer plate 6 is arranged on the left side inside a sludge treatment tank 1, a plurality of sewage inlet distribution plates 601 are sequentially arranged on the left side wall body of the buffer plate 6 from top to bottom, the left side end parts of the sewage inlet distribution plates 601 are fixedly connected to the wall body of the sludge treatment tank 1, a plurality of first holes 602 are formed in each of the sewage inlet distribution plates 601, the number of the first holes 602 is sequentially reduced from top to bottom, the hole diameters of the first holes 602 are sequentially reduced from top to bottom, sludge entering the sludge treatment tank 1 is more uniform through the mutual matching of the buffer plate 6, the sewage inlet distribution plates 601 and the first holes 602, the impact of the surplus sludge on an electrolytic plate 4 is reduced, the operation of the whole device is more stable, the surplus sludge can be filled in the whole device, the treatment effect and the treatment efficiency of the surplus sludge are ensured, and the surplus sludge is ensured to be in a flowing state in the sludge treatment tank 1, and dead water is avoided.

In fig. 2, a sewage distribution plate 7 is arranged on the right side inside the sludge treatment tank 1, the sewage distribution plate 7 can ensure that the whole device is filled with residual sludge, the treatment effect and the treatment efficiency of the residual sludge are further ensured, a second hole 701 is formed in the bottom of the sewage distribution plate 7, the residual sludge after wall breaking flows into the sewage distribution plate 7, and flows into the sewage outlet 102 through the second hole 701 in the sewage distribution plate 7 to be discharged.

In fig. 2 and fig. 3, the left and right sides of the electrolytic plate 4 are provided with the scrapers 8, the scrapers 8 are tightly attached to the electrolytic plate 4, the telescopic rod 801 is arranged on the scraper 8, the tail end of the telescopic rod 801 is fixedly mounted on the inner wall of the sludge treatment box 1, after the wall breaking treatment of the residual sludge is completed, the telescopic rod 801 is controlled to extend, the telescopic rod 801 is driven to move on the surface of the electrolytic plate 4 through continuous extension of the telescopic rod 801, the residual sludge adsorbed on the surface of the electrolytic plate 4 is scraped, and the influence on the wall breaking effect of the subsequent residual sludge due to the adsorption of the residual sludge on the electrolytic plate 4 is avoided.

In fig. 1 and fig. 2, the intermediate position at 1 top of sludge treatment box is provided with battery 9, be provided with wire 10 between battery 9 and the electrolytic plate 4, be provided with electromagnetic switch 11 on the wire 10, in-process to excess sludge carries out broken wall processing, put through different electrodes on the battery 9 on two adjacent electrolytic plates 4 about, make the positive and negative of electrode on two adjacent electrolytic plates 4 alternate, be convenient for carry out broken wall processing to excess sludge, can switch on and close through electromagnetic switch 11 control wire 10, realize the circular telegram and the outage of electrolytic plate 4, make whole device can adjust the quantity that electrolytic plate 4 circular telegram according to the volume of waiting to break wall mud, with the broken wall effect of ensureing excess sludge, avoid not breaking the wall completely because of excess sludge, and influence the subsequent dehydration effect of excess sludge.

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 reduction device comprises a sludge treatment box (1), a sewage inlet pipe (2) and a sewage discharge pipe (3), a sewage inlet (101) is arranged above the left side wall body of the sludge treatment box (1), a sewage inlet pipe (2) is arranged on the sewage inlet (101), a sewage outlet (102) is arranged below the right side wall body of the sludge treatment tank (1), a sewage outlet pipe (3) is arranged on the sewage outlet (102), it is characterized in that a plurality of electrolytic plates (4) are arranged in the middle of the inside of the sludge treatment box (1), the electrolytic plates (4) are vertically arranged in parallel and staggered in the inside of the sludge treatment box (1), a box door (5) is arranged on the front surface of the sludge treatment box (1), a door handle (501) is arranged on the right side of the box door (5), an annular sealing gasket (502) is tightly attached to the edge of the inner part of the box door (5).

2. The electrolytic excess sludge reduction device according to claim 1, wherein an overflowing plate (401) is fixedly connected to one end of the electrolysis plate (4) not in contact with the sludge treatment tank (1), an overflowing hole (402) is formed in the overflowing plate (401), and a groove (103) is formed in the inner wall of the sludge treatment tank (1) at a position opposite to the electrolysis plate (4) and the overflowing plate (401).

3. The electrolytic excess sludge reduction device according to claim 1, wherein a sewage inlet valve (201) is arranged on the sewage inlet pipe (2), a sludge pump (202) is arranged on the left side of the sewage inlet valve (201), and a sewage discharge valve (301) is arranged on the sewage discharge pipe (3).

4. The electrolytic excess sludge reduction device according to claim 1, wherein a buffer plate (6) is arranged on the left side inside the sludge treatment tank (1), a plurality of sewage inlet and distribution plates (601) are sequentially arranged on the left side wall body of the buffer plate (6) from top to bottom, the left end part of each sewage inlet and distribution plate (601) is fixedly connected to the wall body of the sludge treatment tank (1), a plurality of first holes (602) are formed in each sewage inlet and distribution plate (601), the number of the first holes (602) is sequentially reduced from top to bottom, and the diameter of the first holes (602) is sequentially reduced from top to bottom.

5. The electrolytic excess sludge reduction device according to claim 1, wherein a sewage distribution plate (7) is arranged at the right side inside the sludge treatment tank (1), and a second hole (701) is formed at the bottom of the sewage distribution plate (7).

6. The electrolytic excess sludge reduction device according to claim 1, wherein scrapers (8) are arranged on the left side and the right side of the electrolytic plate (4), the scrapers (8) are tightly attached to the electrolytic plate (4), and telescopic rods (801) are arranged on the scrapers (8).

7. The electrolytic excess sludge reduction device according to claim 1, wherein an accumulator (9) is arranged at the middle position of the top of the sludge treatment box (1), a lead (10) is arranged between the accumulator (9) and the electrolytic plate (4), and an electromagnetic switch (11) is arranged on the lead (10).