CN215916614U

CN215916614U - Sludge concentration module and sewage pretreatment device

Info

Publication number: CN215916614U
Application number: CN202121743584.3U
Authority: CN
Inventors: 肖杰; 肖新华; 徐桃; 卜燕华; 董强
Original assignee: Dongguan Fuzhuo Environmental Protection Technology Service Co ltd
Current assignee: Dongguan Fuzhuo Environmental Protection Technology Service Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-03-01
Anticipated expiration: 2031-07-28

Abstract

The utility model belongs to the technical field of sewage pretreatment devices, and particularly relates to a sludge concentration module and a sewage pretreatment device. A water tank is formed in the box body, the box body comprises a liquid inlet pipe, a sludge outlet pipe and a liquid outlet pipe, sewage is pressurized and then is input into the liquid inlet pipe, and the liquid outlet pipe is arranged at the bottom of the box body and is communicated with the water tank; the first collecting pipe is positioned at the front end of the water tank, and the liquid inlet pipe is connected with the middle part of the pipe body of the first collecting pipe; the second collecting pipe is positioned at the rear end of the water tank, and the mud outlet pipe is connected with the middle part of the pipe body of the second collecting pipe; and the solid-liquid separation pipe is provided with a plurality of solid-liquid separation holes, and two ends of the solid-liquid separation pipes are respectively connected to the first collecting pipe and the second collecting pipe. Through setting up the sludge concentration module, the required time of mud in the sewage and liquid solid-liquid layering has been saved to the sustainable work of sludge concentration module, has improved sewage pretreatment's efficiency, and the practicality is high.

Description

Sludge concentration module and sewage pretreatment device

Technical Field

The utility model belongs to the technical field of sewage pretreatment devices, and particularly relates to a sludge concentration module and a sewage pretreatment device.

Background

In sewage treatment facilities, a large amount of sludge often appears, and designers invent a sewage pretreatment device for treating the sludge, but the sewage pretreatment device usually statically places the sewage in a sedimentation tank for a period of time to enable the sludge and liquid in the sewage to be solid-liquid layered, and then respectively discharges the liquid and the sludge layered in the sewage, but the required sedimentation tank of the sewage pretreatment device has larger volume, the time for the impurities to be precipitated in the sedimentation tank is longer, an intermittent working mode is adopted, and the solid-liquid separation purpose can be achieved after the sewage is statically placed for a period of time, so that the occupied area of the sedimentation equipment is enlarged, and the initial cost of the equipment is increased. Moreover, if the treatment is not complete, the problems of excessive sludge, floating sludge and sludge expansion can occur, so that the sewage cannot be discharged, even the whole sewage treatment facility is paralyzed, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sludge concentration module, and aims to solve the technical problems that the sludge concentration module in the prior art works intermittently and is low in efficiency.

In order to achieve the above object, an embodiment of the present invention provides a sludge concentration module, which is applied to a sewage pretreatment device; the sludge concentration module comprises a box body, a water tank is formed in the box body, the box body comprises a liquid inlet pipe, a sludge outlet pipe and a liquid outlet pipe, sewage is pressurized and then is input into the liquid inlet pipe, and the liquid outlet pipe is arranged at the bottom of the box body and communicated with the water tank; the sludge concentration module still includes:

the first collecting pipe is positioned at the front end of the water tank, and the liquid inlet pipe is connected with the middle part of the pipe body of the first collecting pipe;

the second collecting pipe is positioned at the rear end of the water tank, and the sludge outlet pipe is connected with the middle part of the pipe body of the second collecting pipe; and

the solid-liquid separation pipes are provided with a plurality of solid-liquid separation holes, and two ends of each of the solid-liquid separation pipes are respectively connected to the first collecting pipe and the second collecting pipe.

Preferably, a plurality of support rods for supporting the solid-liquid separation tube are arranged in the water tank, and two ends of each support rod are respectively fixed in the water tank.

Preferably, the number of the supporting rods is two, and the two supporting rods are arranged in the front and back.

Preferably, the liquid inlet pipe comprises an inner liquid inlet pipe and an outer liquid inlet pipe which are respectively arranged inside and outside the water tank, the connecting ends of the inner liquid inlet pipe and the outer liquid inlet pipe are respectively provided with a first flange, a plurality of screw holes are formed in the circumferential direction of the first flange, and the inner liquid inlet pipe is in threaded connection with the outer liquid inlet pipe.

Preferably, the mud discharging pipe comprises an inner mud discharging pipe and an outer mud discharging pipe which are respectively arranged inside and outside the water tank, the connecting end of the inner mud discharging pipe and the connecting end of the outer mud discharging pipe are respectively provided with a second flange, a plurality of screw holes are formed in the circumferential direction of the second flange, and the inner mud discharging pipe is in threaded connection with the outer mud discharging pipe.

Preferably, the drain pipe is arranged in outside the box, the junction department of drain pipe is equipped with a third flange, follows the circumference of third flange is equipped with a plurality of screws, the drain pipe spiro union the box.

Preferably, the liquid outlet pipe is arranged at the bottom of the rear end of the box body.

Preferably, the solid-liquid separation pipe is lower than the top surface of the water tank.

Preferably, the first collecting pipe is parallel to the second collecting pipe, and the solid-liquid separation pipe is horizontal.

In order to achieve the above object, the sewage pretreatment device provided by the embodiment of the present invention has the sludge concentration module.

One or more technical schemes in the sludge concentration module and the sewage pretreatment device provided by the embodiment of the utility model at least have one of the following technical effects: through setting up the sludge concentration module, the required time of mud in the sewage and the required liquid solid-liquid layering has been saved in the sustainable work of sludge concentration module, has improved sewage preliminary treatment's efficiency, and the practicality is high.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a sludge concentration module according to an embodiment of the present invention.

Fig. 2 is a top view of a sludge thickening module according to an embodiment of the present invention.

Figure 3 is a cross-sectional view taken along line a-a provided by an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that, if directional indications are provided in the embodiments of the present invention, such as directions of up, down, left, right, front, back, inner, outer, etc., the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," and "fixed" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1-3, a sludge concentration module 1 is provided for use in a sewage pretreatment apparatus. The sludge concentration module 1 comprises a box body 10, a first collecting pipe 20, a second collecting pipe 30 and a plurality of solid-liquid separation pipes 40. A water tank 11 is formed in the box body 10, the box body 10 comprises a liquid inlet pipe 12, a sludge outlet pipe 13 and a liquid outlet pipe 14, and the liquid outlet pipe 14 is arranged at the bottom of the box body 10 and communicated with the water tank 11. The first collecting pipe 20 is located at the front end of the water tank 11, and the liquid inlet pipe 12 is connected to the middle of the pipe body of the first collecting pipe 20. The second collecting pipe 30 is located at the rear end of the water tank 11, and the sludge discharge pipe 13 is connected to the middle of the pipe body of the second collecting pipe 30. The solid-liquid separation pipe 40 is provided with a plurality of solid-liquid separation holes 401, and specifically, the plurality of solid-liquid separation holes 401 are uniformly distributed on the whole solid-liquid separation pipe 40, and the hole diameter thereof may be set according to the sludge particle size. Two ends of the solid-liquid separation tubes 40 are respectively connected to the first collecting pipe 20 and the second collecting pipe 30. The sewage is pressurized (by a pressurizing pump or a height difference), then is input into the liquid inlet pipe 12 and flows to the first collecting pipe 20, under the action of the pressure, liquid in the sewage is discharged into the water tank 11 through the solid-liquid separation holes 401 and then is discharged out of the water tank 11 through the liquid outlet pipe 14, and the rest part of the sludge in the sewage is concentrated into slurry with higher concentration and flows to the second collecting pipe 30 and then is discharged through the sludge outlet pipe 13.

Through setting up sludge thickening module 1, the required time and the step of mud in the sewage and liquid solid-liquid layering have been saved to the sustainable work of sludge thickening module 1, have improved sewage preliminary treatment's efficiency, and the practicality is high.

In another embodiment of the present invention, as shown in fig. 1, a plurality of

support rods

50a and 50b for supporting the solid-liquid separation tube 40 are disposed in the water tank 11, and both ends of the

support rods

50a and 50b are respectively fixed in the water tank 11 to support the solid-liquid separation tube 40 to prevent the solid-liquid separation tube 40 from bending, deforming or breaking due to an excessive load, so that the sludge concentration module 1 operates more stably.

In another embodiment of the present invention, as shown in fig. 1, the number of the

support rods

50a and 50b is two, and the two

support rods

50a and 50b are arranged in front of each other, so that the structure is symmetrical, and the stability is high.

In another embodiment of the present invention, as shown in fig. 1, the liquid inlet pipe 12 includes an inner liquid inlet pipe 121 and an outer liquid inlet pipe 122 respectively disposed inside and outside the water tank 11, a first flange 123 is disposed at a connection end of each of the inner liquid inlet pipe 121 and the outer liquid inlet pipe 122, a plurality of screw holes 124 are disposed along a circumferential direction of the first flange 123, and the inner liquid inlet pipe 121 is screwed to the outer liquid inlet pipe 122. The flange connection is convenient to use, can bear large pressure and has a better sealing effect.

In another embodiment of the present invention, as shown in fig. 1, the mud outlet pipe 13 includes an inner mud outlet pipe 131 and an outer mud outlet pipe 132 respectively disposed inside and outside the water tank 11, a second flange 133 is disposed at a connection end of each of the inner mud outlet pipe 131 and the outer mud outlet pipe 132, a plurality of screw holes 124 are disposed along a circumferential direction of the second flange 133, and the inner mud outlet pipe 131 is screwed with the outer mud outlet pipe 132. The flange connection is convenient to use, can bear large pressure and has a better sealing effect.

In another embodiment of the present invention, as shown in fig. 3, the outlet pipe 14 is disposed outside the box body 10, a third flange 141 is disposed at a connecting end of the outlet pipe 14, a plurality of screw holes 124 are disposed along a circumferential direction of the third flange 141, and the outlet pipe 14 is screwed to the box body 10. The flange connection is convenient to use, can bear large pressure and has a better sealing effect.

In another embodiment of the present invention, as shown in FIG. 3, the outlet pipe 14 is disposed at the bottom of the rear end of the box 10. Liquid outlet pipe 14 is kept away from liquid inlet pipe 12 sets up, and filtrating flows to the liquid outlet from the inlet end, and impurity in the filtrating can be still less, improves filterable quality.

In another embodiment of the present invention, as shown in fig. 3, the solid-liquid separation pipe 40 is lower than the top surface of the water tank 11, so as to prevent the filtrate from splashing out of the water tank 11 when seeping out.

In another embodiment of the present invention, as shown in fig. 3, the first collecting pipe 20 is parallel to the second collecting pipe 30, and the solid-liquid separation pipe 40 is horizontal, so as to prevent sludge from accumulating at a low point of the second collecting pipe 30 during shutdown.

In another embodiment of the utility model, a sewage pretreatment device is provided with the sludge concentration module 1. Through setting up sludge thickening module 1 has saved the time of sewage preliminary treatment, has improved the efficiency of handling sewage greatly, and the practicality is high.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A sludge concentration module is applied to a sewage pretreatment device; the sludge concentration module comprises a box body, a water tank is formed in the box body, the box body comprises a liquid inlet pipe, a sludge outlet pipe and a liquid outlet pipe, sewage is pressurized and then is input into the liquid inlet pipe, and the liquid outlet pipe is arranged at the bottom of the box body and communicated with the water tank; its characterized in that, the sludge concentration module still includes:

2. The sludge concentration module as claimed in claim 1, wherein a plurality of support rods for supporting the solid-liquid separation pipe are arranged in the water tank, and two ends of each support rod are respectively fixed in the water tank.

3. The sludge concentration module of claim 2, wherein the number of the support rods is two, and the two support rods are arranged in front of each other.

4. The sludge concentration module of claim 1, wherein the liquid inlet pipe comprises an inner liquid inlet pipe and an outer liquid inlet pipe which are respectively arranged inside and outside the water tank, a first flange is arranged at the connecting end of each of the inner liquid inlet pipe and the outer liquid inlet pipe, a plurality of screw holes are arranged along the circumferential direction of the first flange, and the inner liquid inlet pipe is in threaded connection with the outer liquid inlet pipe.

5. The sludge concentration module as claimed in claim 1, wherein the sludge outlet pipe comprises an inner sludge outlet pipe and an outer sludge outlet pipe which are respectively disposed inside and outside the water tank, a second flange is disposed at a connection end of the inner sludge outlet pipe and the outer sludge outlet pipe, a plurality of screw holes are disposed along a circumferential direction of the second flange, and the inner sludge outlet pipe is screwed with the outer sludge outlet pipe.

6. The sludge concentration module of claim 1, wherein the outlet pipe is disposed outside the tank, a third flange is disposed at a connection end of the outlet pipe, a plurality of screw holes are disposed along a circumferential direction of the third flange, and the outlet pipe is screwed to the tank.

7. The sludge thickening module of any one of claims 1-6, wherein the outlet pipe is disposed at a bottom of a rear end of the tank.

8. The sludge concentration module of any one of claims 1 to 6, wherein the solid-liquid separation pipe is lower than the top surface of the tank.

9. The sludge concentration module as claimed in any one of claims 1 to 6, wherein the first header is parallel to the second header, and the solid-liquid separation tube is horizontal.

10. A sewage pretreatment apparatus comprising the sludge thickening module according to any one of claims 1 to 9.