CN212076815U

CN212076815U - Sludge concentration system

Info

Publication number: CN212076815U
Application number: CN202020544252.1U
Authority: CN
Inventors: 刘方荣
Original assignee: Suzhou Cps Technology Co ltd
Current assignee: Suzhou Cps Technology Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-12-04
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a sludge concentration system, the system includes sludge concentration pond, steam stripping device, compressor arrangement and charge device, and steam stripping device includes cloth mud pipe and steam stripping pipe, and compressor arrangement includes compressed air pipe, and charge device is including adding the pencil, and mud in the sludge concentration pond enters into the reaction zone in the cloth mud pipe through the steam stripping pipe under the compressed air effect that compressed air pipe lets in, and the flocculation reaction takes place for the mud that is located the reaction zone under the drug action that adds the pencil and add, and the mud warp that the reaction was ended arrange the mud clearance and get back to in the sludge concentration pond, accomplish sludge concentration. The utility model discloses a suction that system self produced realizes mud and adds medicine concentration and stirring mixture in succession, has reduced the mud concentration and has added the dose, and practices thrift the working costs.

Description

Sludge concentration system

Technical Field

The utility model relates to a waste water treatment technology especially relates to a sludge concentration system.

Background

In the existing sludge concentration system for treating medium and small-scale industrial wastewater, the sludge concentration mainly comprises the following two modes: 1. directly stirring in a sludge concentration tank, installing a sludge concentration stirrer, and pumping the concentrated sludge into a filter press by a pump; 2. the sludge concentration tank is concentrated by natural sedimentation gravity, then a special small sludge dosing stirring concentration tank is arranged, and the sludge after dosing concentration is pumped into the filter press by a pump.

Although the two modes can achieve the purpose of sludge concentration and reduction, the two modes have the problems of additional power or more occupied land, complex process control and higher investment cost.

Especially in some small-size industrial waste water treatment stations, the sludge concentration tank is not big, and the unnecessary waste can be produced to the sludge concentration mixer that adds additional or a little sludge concentration tank that adds additional again, and increase running cost and investment cost and area.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a sludge thickening system.

In order to achieve the above object, the utility model provides a following technical scheme: a sludge thickening system comprising:

the sludge concentration tank is used for bearing sludge to be concentrated;

the steam stripping device comprises a sludge distribution pipe and a steam stripping pipe, wherein the bottom of the sludge distribution pipe is positioned in the sludge concentration tank, the top of the sludge distribution pipe extends out of the sludge concentration tank, the top of the steam stripping pipe is fixed in the sludge distribution pipe, the bottom of the steam stripping pipe extends out of the bottom of the sludge distribution pipe, a reaction area is formed in the sludge distribution pipe, and a sludge discharge gap is formed between the sludge distribution pipe and the steam stripping pipe;

the compression device comprises a compressed air pipe, and the compressed air pipe is communicated with the stripping pipe;

the dosing device comprises a dosing pipe, and the dosing pipe is communicated with a reaction area in the sludge distribution pipe;

mud in the sludge concentration pond enters into the reaction zone in the mud distributing pipe through the stripping pipe under the compressed air effect that compressed air pipe lets in, is located the flocculation reaction takes place for mud in the reaction zone under the drug effect that adds the pencil and add, and the mud warp that the reaction was ended arrange the mud clearance and get back to in the sludge concentration pond, accomplish sludge concentration.

Preferably, including the sludge bucket in the sludge thickening pond, the cross-section of sludge bucket is the trapezoidal face that the opening from top to bottom shrinks gradually.

Preferably, an angle of 50-60 degrees is formed between the inclined edge of the trapezoidal surface and the bottom of the sludge concentration tank.

Preferably, the distance between one end of the compressed air pipe extending into the stripping pipe and the top of the stripping pipe is 1/3-1/2 of the length of the whole stripping pipe.

Preferably, the connection position of the dosing pipe and the sludge distribution pipe is positioned at the top of the sludge distribution pipe or at a position close to the top of the sludge distribution pipe.

Preferably, the reaction zone is formed between one end of the stripping pipe extending into the mud distribution pipe and the top of the mud distribution pipe, and the height of the reaction zone is 1/4-1/3 of the height of the whole mud distribution pipe.

Preferably, the outer diameter of the stripping pipe is 1/3-1/2 of the outer diameter of the sludge pipe.

Preferably, the bottom of the sludge distribution pipe is in a bell mouth shape expanding downwards, and an included angle between an inclined plane of the bell mouth and the vertical direction is 5-10 degrees.

Preferably, the system still includes outlet pipe and the mud pipe that is linked together with the sludge concentration pond, the outlet pipe is close to the top setting of sludge concentration pond, the mud pipe is close to the middle part or the bottom setting of sludge concentration pond.

The utility model has the advantages that:

1. the utility model discloses need not additionally to dispose sludge thickening mixer or increase small-size sludge thickening tank, need not any extra power promptly and need not additionally to increase any reaction gas, can utilize current cell body structure completely, utilize the suction that device self produced to realize mud and add medicine concentration and stirring in succession and mix to realize the holistic complete cycle of mud in the sludge thickening tank.

2. The utility model discloses utilize the mud return-flow system that water conservancy and strip principle produced, save the effect of sludge concentration dosing 20 ~ 30%, practice thrift the working costs, and have advantages such as the mud mixes the concentrated effect of stirring better, noiselessness, do not have extra investment cost basically.

3. The utility model discloses system integration preparation can combine together completely with the sludge thickening tank, and the integrated level is high, and processing is simple, construction convenience.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a schematic diagram of the stripping apparatus of the present invention;

reference numerals:

1. the device comprises a sludge concentration tank, 11, a sludge hopper, 12, a water outlet pipe, 13, a sludge discharge pipe, 2, a steam stripping device, 21, a sludge distribution pipe, 22, a steam stripping pipe, 23, a reaction zone, 24, a sludge discharge gap, 3, a compression device, 31, a compressed air pipe, 4, a dosing device, 41, a dosing pipe, 5 and a support frame.

Detailed Description

The technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.

The utility model discloses a sludge concentration system realizes mud through the suction that system self produced and adds medicine concentration and stirring mixture in succession, has reduced sludge concentration and has added the dose, and practices thrift the working costs.

As shown in figure 1, the utility model discloses a sludge concentration system, including sludge concentration tank 1, stripping device 2, compressor arrangement 3 and charge device 4, stripping device 2 is located sludge concentration tank 1, and compressor arrangement 3 and charge device 4 all are linked together with stripping device 2, and stripping device 2 adds the medicine concentration and stirs the mixture with the sludge in sludge concentration tank 1 under compressor arrangement 3 and charge device 4's synergism.

Specifically, including sludge bucket 11 in the sludge concentration tank 1, sludge bucket 11 is used for bearing the mud of treating the concentration, and its cross-section is the trapezoidal face that the opening from top to bottom shrinks gradually, preferably is 50 ~ 60 angle between the hypotenuse of this trapezoidal face and the bottom of sludge concentration tank 1, and this angle scope can be when guaranteeing that sludge bucket 11 has enough big volume, makes mud can enter into in stripping device 2 more easily.

As shown in connection with fig. 2, the stripping device 2 comprises in particular a sludge distribution pipe 21 and a stripping pipe 22, wherein the sludge distribution pipe 21 is located vertically inside the sludge concentration tank 1, and is most preferably located at a central position of the sludge concentration tank 1. The bottom of the sludge distribution pipe 21 is located in the sludge concentration tank 1, in the embodiment, the bottom of the sludge distribution pipe 21 is fixedly supported on the sludge bucket 11, specifically, the bottom is fixedly supported on the sludge bucket 11 through at least two support frames 5, and the top extends out of the sludge concentration tank 1. Preferably, the bottom of the sludge distribution pipe 21 is in a bell mouth shape expanding downwards, the included angle between the inclined plane of the bell mouth and the vertical direction is 5-10 degrees, and the arrangement of the expansion angle is favorable for limiting the flow speed of the sludge in the sludge distribution pipe 21 when passing through the bell mouth, so that the sludge tends to be precipitated downwards.

The stripping pipe 22 is located in the sludge distributing pipe 21, the top of the stripping pipe extends into and is fixed in the stripping pipe 22, and the bottom of the stripping pipe extends out of the bottom of the sludge distributing pipe 21 and is located in the sludge hopper 11. A reaction zone 23 is formed between the top of the stripping pipe 22 and the top of the sludge distribution pipe 21, and the height of the reaction zone 23 is 1/4-1/3 of the height of the whole sludge distribution pipe 21. And a sludge discharge gap 24 is formed between the stripping pipe 22 and the sludge distributing pipe 21, the upper end of the sludge discharge gap 24 is communicated with the reaction zone 23, and the lower end is communicated with the sludge hopper 11. Preferably, the outer diameter of the stripping pipe 22 is 1/3-1/2 of the outer diameter of the sludge distribution pipe 21, and the stripping pipe 22 and the sludge distribution pipe 21 are coaxially arranged optimally.

The compressing device 3 comprises a compressed air pipe 31, one end of which extends out of the top of the sludge concentration tank 1 and is externally connected with an air source, and the other end of which extends into the stripping pipe 22 and is communicated with the stripping pipe 22, and is used for conveying compressed air into the stripping pipe 22. The distance between one end of the compressed air pipe 31 extending into the stripping pipe 22 and the top of the stripping pipe 22 is 1/3-1/2 of the length of the whole stripping pipe 22.

The medicine adding device 4 comprises a medicine adding pipe 41, and the medicine adding pipe 41 is communicated with the reaction area 23 in the mud distributing pipe 21 and is used for adding medicines required by the flocculation reaction into the reaction area 23. The connection position of the dosing pipe 41 and the sludge distribution pipe 21 is located at the top of the sludge distribution pipe 21 or at a position close to the top of the sludge distribution pipe 21, and the optimal position is the middle position of the top of the sludge distribution pipe 21, so that the uniform and sufficient mixing of the sludge and the medicines in the reaction zone 23 is facilitated.

Additionally, the utility model discloses a sludge thickening system still includes outlet pipe 12 and the sludge discharge pipe 13 that is linked together with sludge thickening tank 1, and wherein, outlet pipe 12 is close to the top setting of sludge thickening tank 1, and sludge discharge pipe 13 is close to the middle part or the bottom setting of sludge thickening tank 1, and the water of separating in the mud after the mud reaction in the sludge thickening tank 1 is discharged through outlet pipe 12, and the mud that deposits in sludge bucket 11 then is discharged from sludge discharge pipe 13.

Further, the sludge concentration system disclosed by the present invention further comprises an electrical control device (not shown), which is connected to the stripping device 2, the compression device 3 and the chemical adding device 4, for controlling the operation thereof respectively.

The technical contents and features of the present invention have been disclosed as above, however, those skilled in the art can still make various substitutions and modifications based on the teaching and disclosure of the present invention without departing from the spirit of the present invention, therefore, the protection scope of the present invention should not be limited to the contents disclosed in the embodiments, but should include various substitutions and modifications without departing from the present invention, and should be covered by the claims of the present patent application.

Claims

1. A sludge thickening system, comprising:

the sludge concentration tank is used for bearing sludge to be concentrated;

2. The sludge thickening system of claim 1, wherein the sludge thickening tank includes a sludge hopper having a cross-section of a trapezoidal shape with an opening gradually narrowing from top to bottom.

3. The sludge concentration system of claim 2, wherein the angle between the inclined edge of the trapezoidal surface and the bottom of the sludge concentration tank is 50-60 °.

4. The sludge concentration system of claim 1, wherein the distance between the end of the compressed air pipe extending into the stripping pipe and the top of the stripping pipe is 1/3-1/2 of the length of the whole stripping pipe.

5. The sludge thickening system of claim 1, wherein the connection of the dosing pipe and the sludge distribution pipe is at or near the top of the sludge distribution pipe.

6. The sludge concentration system of claim 1, wherein the reaction zone is formed between one end of the stripping pipe extending into the sludge distribution pipe and the top of the sludge distribution pipe, and the height of the reaction zone is 1/4-1/3 of the height of the whole sludge distribution pipe.

7. The sludge concentration system of claim 1, wherein the stripping tube has an outer diameter of 1/3-1/2 of the outer diameter of the sludge tube.

8. The sludge concentration system of claim 1, wherein the bottom of the sludge distribution pipe is flared downwards, and the inclined plane of the flare forms an included angle of 5-10 degrees with the vertical direction.

9. The sludge concentration system of claim 1, further comprising a water outlet pipe and a sludge discharge pipe which are communicated with the sludge concentration tank, wherein the water outlet pipe is arranged near the top of the sludge concentration tank, and the sludge discharge pipe is arranged near the middle or the bottom of the sludge concentration tank.