CN217578620U

CN217578620U - Sludge inoculation device

Info

Publication number: CN217578620U
Application number: CN202221430215.3U
Authority: CN
Inventors: 刘铁军; 侯锋; 彭轶; 朱迎春; 陈浩林; 安东
Original assignee: SDIC Xinkai Water Environment Investment Co Ltd
Current assignee: SDIC Xinkai Water Environment Investment Co Ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-10-14
Anticipated expiration: 2032-06-09

Abstract

The utility model provides a sludge inoculation device, which comprises a box body, a water taking device, a first grid net, a sludge adding device, a second grid net, a liquid level meter and an electric control system; the first grid net is arranged in the box body, and the water taking device is used for taking water from the biochemical pond and conveying the water into the box body; the sludge adding device is used for conveying the sludge-water mixed liquid in the tank body into the biochemical tank through a pipeline; the second grid net is used for filtering the muddy water mixed liquid conveyed into the biochemical pond; the liquid level meter and the water taking device are both electrically connected with the electric control system, and the liquid level meter is arranged in the box body. The utility model discloses a liquid level control, the pond nearby can be selected in the water intaking water source for example biochemical pond, and the water that draws biochemical pond by water intake device gets into the box and carries out designs such as moisturizing, has realized that the dissolving that mud lasts in the box becomes muddy water and mixes the liquid, throws the feeder apparatus by mud and carries the incasement muddy water mixed liquid to biochemical pond in to reach the purpose of sludge inoculation, throw the staff need not adjust aeration system repeatedly during throwing, do not need frequent tour, reduced personnel intensity of labour.

Description

Sludge inoculation device

Technical Field

The utility model relates to an environmental protection field specifically relates to a sludge inoculation device, especially relates to an add feeder apparatus for sewage treatment plant activated sludge inoculation, can be applied to the sewage treatment engineering.

Background

The method is characterized in that water is continuously fed into the sewage treatment plant, pretreatment equipment such as a grid, an aeration grit chamber, a desanding system and the like are operated completely, and dry sludge is continuously added.

The biochemical system of a sewage treatment plant is debugged by conventionally adopting a sludge inoculation method, if a sludge adding place is selected at a water inlet lifting pump room and other positions, pretreatment facilities such as a water inlet pump room, a grid room, a grit chamber and a sand discharge system need to be continuously operated, and sludge is locally precipitated in the pretreatment facilities, so that a pretreatment corridor and a process pipeline are easily blocked, and the labor intensity of personnel inspection is increased; if the sludge is directly added at a position close to the biochemical tank, fine solid wastes in the dry sludge can be brought into the biochemical tank and are locally precipitated at the adding position in the biochemical tank. In addition, in the period of sludge feeding, continuous water inlet of a sewage treatment plant is required to be used as a carrier for feeding the sludge, when the biochemical tank is full of water and sludge which is not fed still needs to be fed continuously, the sewage in the biochemical tank enters a subsequent treatment facility, and the quality of the effluent water does not reach the standard after the water quality is not effectively treated;

SUMMERY OF THE UTILITY MODEL

To the defects in the prior art, the utility model aims at providing a sludge inoculation device.

The sludge inoculation device provided by the utility model comprises a box body, a water taking device, a first grid net, a sludge adding device and a second grid net;

the first grid net is arranged in the box body and divides the box body into a feeding end and a discharging end; the feeding end is used for receiving sludge put into the box body;

the water taking device is used for taking water from the biochemical pond and conveying the water into the box body; the water is mixed with the sludge in the box body to form a sludge-water mixed solution;

the sludge adding device is arranged at the discharge end and is used for conveying the sludge-water mixed liquid in the tank body into the biochemical tank through a pipeline;

the second grid net is arranged at the tail end of an output pipeline of the sludge adding device and is used for filtering the sludge-water mixed liquid conveyed into the biochemical tank;

preferably, the water intake device comprises a submersible sewage pump and a water filling port;

the submersible sewage pump is arranged in the biochemical pool, and the water filling port is arranged on the box body.

Preferably, the water outlet direction of the water filling port faces to the inlet of the sludge adding device.

Preferably, the first grid net is arranged in the middle of the length of the box body, and the grid distance is 20-40 mm.

Preferably, the grid holes of the second grid mesh are 2-8 mm.

Preferably, the water filling device further comprises a fixing support, and the water filling port is installed in the box body through the fixing support.

Preferably, the sludge adding device comprises a sludge pump.

Preferably, the water filling port is a high-pressure nozzle.

Preferably, the water taking device further comprises a liquid level meter and an electric control system, wherein the liquid level meter and the water taking device are electrically connected with the electric control system, and the liquid level meter is installed in the box body.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. utility model during operation adopts the water intake device, and the water source in the biochemical pond of pump is dissolved the water as the dilution in sewage source, does not need sewage treatment plant to intake in succession as the carrier in sewage source, has solved the problem at external connection water source, has effectively reduced the full overflow's of emergence water possibility in the biochemical pond. Besides, the utility model discloses a design of second grid net can be with the muddy water mixed liquid that mud dosing unit carried all sieve, can effectively filter wherein solid waste, garrulous stone grain etc..

2. The utility model discloses can place on biochemical pond is with regard to the space near, area is little, selects to throw and throws the place nimble.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

FIG. 2 is a schematic structural view of a first grid mesh of the present invention, wherein the grid distance is 40 mm;

fig. 3 is a schematic structural view of the second grid mesh of the present invention, wherein the grid holes are 8mm.

The figures show that:

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. All of which belong to the protection scope of the present invention.

The utility model provides a sludge inoculation device, as shown in figure 1, which comprises a box body 1, a water intake device 2, a first grid net 3, a sludge adding device 4, a second grid net, a liquid level meter 7, an electric control system and a fixed bracket 5; the first grid net 3 is arranged in the box body 1 and divides the box body 1 into a feeding end and a discharging end; the feeding end is used for receiving the sludge 6 put into the box body 1; preferably, part of the sludge can pass through the first grid net 3 to the discharge end. The water intake device 2 is used for taking water from the biochemical pond and conveying the water into the box body 1, and preferably, the water can pass through the first grid holes of the first grid net 3 and flow freely. The water is mixed with the sludge 6 in the box body 1 to form a mud-water mixed solution, preferably, part of the sludge can pass through the first grid net 3 to reach a discharge end; the sludge adding device 4 is arranged at the discharge end, and the sludge adding device 4 is used for conveying the sludge-water mixed liquid in the box body 1 into the biochemical tank through a pipeline; and the second grid net is arranged at the tail end of an output pipeline of the sludge adding device 4 and is used for filtering the muddy water mixed liquid conveyed into the biochemical tank. In a preferred embodiment, the sludge adding device 4 comprises a sludge pump. In a preferred embodiment, the first grid mesh 3 is arranged in the middle of the length of the box body 1, the grid distance is 20 mm-40 mm, the grid holes of the second grid mesh are 2 mm-8 mm, and the second grid mesh is a rectangular horizontal grid mesh. In a preferred embodiment, the sludge 6 is dewatered sludge produced by biochemical systems of municipal sewage treatment plants for the same type of sewage treatment or the same type of treatment process.

The water taking device 2 comprises a submersible sewage pump and a water filling port 8; the submersible sewage pump is arranged in the biochemical pool, the water filling port 8 is arranged on the box body 1, and the water outlet direction of the water filling port 8 faces to the inlet of the sludge feeding device 4. The water filling port 8 is installed in the box body 1 through the fixed bracket 5. In a preferred embodiment, the water filling port 8 is a high-pressure nozzle.

The liquid level meter 7 is arranged in the box body 1 and is used for measuring the liquid level in the box body 1; the electric control system, the liquid level meter 7 and the water taking device 2 are electrically connected with the electric control system. When the liquid level of the liquid level meter 7 exceeds a high liquid level set value of an electric control system, the electric control system controls the water taking device 2 to stop taking water. When the liquid level of the liquid level meter 7 is lower than the set high liquid level value of the electric control system, the electric control system controls the water taking device 2 to start.

In a preferred embodiment, the box body 1 is made of carbon steel or stainless steel, the top surfaces of the box body 1 with the length, the width and the height of the top surfaces of the box body 3m 1.5m are welded to form an open box body, the bottom of the box body 1 and the side edge of the side wall of the box body are welded by a square steel frame to reinforce the box body, and hoisting holes are formed in the top surface of the box body along the length direction and used for hoisting. And manufacturing a support of the sludge feeding device 4 above the outlet end of the box body 1 for fixing the sludge feeding device 4, specifically, manufacturing a support of a vertical slurry pump above the outlet end of the box body 1 for fixing the vertical slurry pump. A first grid net 3 is arranged in the middle of the length of the box body 1 along the section of the water surface, and as shown in figure 2, the grid distance is 40mm. A fixed bracket 5 is arranged at the central position of the top surface of the box body and is used for fixing a water feeding port 8 of the water taking device 2; the submersible sewage pump in the water taking device 2 is placed in the biochemical pool, and the matched pipeline is connected with the water filling port 8 in the water taking device 2 and is used for flushing the inlet of the sludge adding device (namely the inlet of the vertical slurry pump) and simultaneously is also used for filling water into the box body 1. The liquid level meter 7 is arranged on the inner wall of the discharge end of the box body 1, the low liquid level is 0.5m, the high liquid level is 1.2m, the operation of the water taking device 2 is stopped when the high liquid level is reached, and the water taking device 2 is started to wash the inlet of the sludge adding device 4 and supplement water for the box body 1 when the low liquid level is reached. As shown in fig. 3, the second grid mesh has 8mm of mesh holes and 0.8m by 0.8m for filtering the slurry-water mixed liquid.

The utility model discloses a theory of operation and process as follows:

the method comprises the steps of putting sludge 9 into a feeding end of a box body 1 by a small machine such as a 10-type forklift, starting a submersible sewage pump in a water taking device 2, adjusting an electrical control system to a liquid level control mode, and flushing a water adding port 8 facing to an inlet position of a sludge adding device 4, wherein the flushing is used for scattering the sludge and conveniently pumping sludge-water mixed liquid by the adding device 4 on one hand, and is used for replenishing water to the box body 1 on the other hand, when the liquid level reaches half, the sludge adding device 4 can be manually or remotely started, the sludge adding device 4 adds the sludge-water mixed liquid to a biochemical tank, the sludge-water mixed liquid pumped by the sludge adding device 4 is filtered through a second grid net, fine solid wastes can be effectively filtered, and the phenomenon that the sludge-water mixed liquid flowing into the biochemical tank is brought into a large amount of solid wastes to block subsequent treatment facilities such as a sand filter tank and an MBR (membrane bioreactor) tank is avoided.

The utility model discloses can place on biochemical pond just near the open space, area is little, selects to throw and throws the place nimble, only needs to cooperate small-size machinery when mud is thrown and is thrown, just can throw into the feed end that box 1 had with mud if "10 type" forklift, need not large-scale machinery.

The utility model discloses the during operation does not need sewage treatment plant to intake in succession as the carrier of sludge source, adopts water intake device 2, and specific submerged dirty pump that is among the water intake device 2, the water source in the biochemical pond of pump is as the dilution of sludge source and dissolves the water consumption, and under level gauge 7 and electrical control system's control, low liquid level starts water intake device and intakes to sludge inoculation device, and high liquid level stops to intake.

The utility model discloses a: A. the electrical control system is electrically connected with the liquid level meter; B. directly pumping the water in the biochemical tank as the diluting and dissolving water of the sludge source and then sending the sludge-water mixed liquid back to the biochemical tank; the effect that the liquid level in the biochemical pond does not have obvious change has been reached, and the staff need not adjust aeration system repeatedly, need not tour the preliminary treatment facility, the utility model discloses do not have unusually to need not maintain.

The utility model discloses during operation, need not move the pretreatment apparatus of sewage treatment plant, such as sedimentation tank etc., the utility model discloses set up mud adding device 4 in the sludge inoculation device and be used for throwing the muddy water mixed liquid and enter biochemical pond, mud adding device 4 can adopt vertical slush pump, the utility model discloses still set up first grid net 3 in box 1, can prevent effectively that mud 6 from blockking up mud adding device 4, guarantee the continuous operation of mud adding device 4; the utility model discloses the terminal position that 4 output pipeline of feeder apparatus was thrown to mud has set up the second grid net, can throw the muddy water mixed liquid that feeder apparatus 4 carried with mud and all sieve, can effectively filter wherein solid waste, garrulous stone grain etc..

The utility model provides a technical scheme for sewage treatment plant inoculation mud is thrown and is thrown, does not intake at sewage treatment plant and does not go out water, not run under the condition of pretreatment equipment facility, will inoculate mud and be in the utility model discloses dissolve into muddy water and mix the liquid in the device, throw the biochemical pond of system pump income sewage treatment plant by mud for the activated sludge inoculation.

The utility model discloses an adopt liquid level control, the water intaking water source can select nearby pond for example biochemical pond, the water that draws biochemical pond by water intake device gets into the box and carries out designs such as moisturizing, has realized that the dissolving that mud lasts in the box becomes muddy water and mixes the liquid, throw the feeder apparatus by mud and carry incasement muddy water mixed liquid to biochemical pond in to reach the purpose of sludge inoculation, throw the staff need not adjust aeration system repeatedly during throwing, do not need frequent tour, reduced personnel intensity of labour.

The utility model discloses, be used for sewage treatment plant inoculation mud to throw and throw, under the theory of operation, the improvement of sludge inoculation device in the aspect of shape, size, material should be regarded as the protection scope of this patent.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the essential spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A sludge inoculation device is characterized by comprising a box body (1), a water taking device (2), a first grid net (3), a sludge adding device (4) and a second grid net;

the first grid net (3) is arranged in the box body (1) and divides the box body (1) into a feeding end and a discharging end; the feeding end is used for receiving sludge (6) put into the box body (1);

the water taking device (2) is used for taking water from the biochemical pond and conveying the water into the box body (1); the water is mixed with the sludge (6) in the box body (1) to form muddy water mixed liquor;

the sludge adding device (4) is arranged at the discharge end, and the sludge adding device (4) is used for conveying the muddy water mixed liquid in the box body (1) into the biochemical pool through a pipeline;

the second grid net is arranged at the tail end of an output pipeline of the sludge adding device (4) and is used for filtering the muddy water mixed liquid conveyed into the biochemical tank.

2. Sludge inoculation apparatus according to claim 1, wherein the water intake apparatus (2) comprises a submersible sewage pump and a water addition port (8);

the submersible sewage pump is arranged in the biochemical pool, and the water filling port (8) is arranged on the box body (1).

3. The sludge inoculation apparatus according to claim 2, wherein the outlet of the filler (8) is directed towards the inlet of the sludge dosing apparatus (4).

4. The sludge inoculation apparatus according to claim 1, wherein the first grid net (3) is arranged at the middle position of the length of the tank body (1), and the grid distance is 20-40 mm.

5. The sludge inoculation apparatus as claimed in claim 1, wherein the second grid mesh has mesh openings of 2 to 8mm.

6. Sludge inoculation device according to claim 2, further comprising a fixed support (5), the filler (8) being mounted inside the tank (1) by means of the fixed support (5).

7. The sludge inoculation apparatus according to claim 1, wherein the sludge dosing apparatus (4) comprises a slurry pump.

8. Sludge inoculation apparatus according to claim 2, characterized in that the filler (8) is a high pressure nozzle.

9. The sludge inoculation device according to claim 1, further comprising a liquid level meter (7) and an electrical control system, wherein the liquid level meter (7) and the water intake device (2) are electrically connected with the electrical control system, and the liquid level meter (7) is installed in the tank body (1).