WO2018032809A1

WO2018032809A1 - River/lake/stream polluted sediment treated mud pipeline concentrator

Info

Publication number: WO2018032809A1
Application number: PCT/CN2017/083613
Authority: WO
Inventors: 陈士强; 龙章鸿; 卢驰江; 张长平; 邓军伟; 罗昕
Original assignee: 中电建水环境治理技术有限公司
Priority date: 2016-08-16
Filing date: 2017-05-09
Publication date: 2018-02-22
Also published as: CN106186632A

Abstract

A river/lake/stream polluted sediment treated mud pipeline concentrator, comprising a pipe body (1), a helical body (2), and a power unit (3); one end of the pipe body (1) is provided with a mud inlet (14), and the other end thereof is provided with a mud outlet (15); the pipe body (1) comprises a first pipe body (11) and a second pipe body (12) which are sequentially connected from inside to outside; the first pipe body (11) is provided with filter holes; a filter chamber (13) is provided between the first pipe body (11) and the second pipe body (12); the second pipe body (12) is provided with a water outlet (122); and the helical body (2) is driven by the power unit (3) to rotate in the first pipe body (11), so that the helical body (2) can scrape mud cakes adsorbed on an inner wall of the first pipe body (11) and deliver the scraped mud cakes from the mud inlet (14) to the mud outlet (15). The concentrator can obviously reduce the water content of the mud.

Description

Name of the invention: Concentrated device for mud and pipe treatment of river and lake sediments

[0001] The invention belongs to the technical field of sludge treatment, and particularly relates to a concentrating device for treating mud pipelines in rivers and lakes.

Background technique

[0002] The current sediment pollution of rivers and lakes in China is an environmental problem that needs to be solved urgently. The increase of sediment pollution is mainly caused by human factors. Pollutants are difficult to pass through atmospheric deposition, wastewater discharge, rainwater leaching and scouring into water bodies. A considerable part of the degraded pollutants accumulate in the sediment of the water body and are newly enriched. The concentration of pollutants dissolved in the water is largely affected by the sediment. Therefore, the management of contaminated sediments has become an imperative and imperative. At present, in the process of treating the polluted sediments of rivers and lakes, it is often necessary to carry out conditioning treatment on the mud before dewatering. Specifically, the initially concentrated mud is transported from the small cutter to the mud conditioning plant. The mud is conditioned and tempered, and the mud after the conditioning is transferred to the separation system of the plate and frame filter press to separate the mud and water, and the mud is deeply dehydrated by the plate and frame plate and frame filter to form a hard plastic mud cake. Finally, the harmless disposal of river sediments and the recycling of resources will be realized.

[0003] However, the present technology has the following technical problems: Since the mud after the conditioning is directly transported to the plate and frame filter press for mechanical dewatering, the mud water conveyed by the pipe has a high water content, which is not conducive to the subsequent treatment of the mud, The cost of subsequent processing of the mud is high.

technical problem

[0004] The main object of the present invention is to provide a concentrating device for treating mud pipelines in rivers and lakes, which is intended to solve the problem that the pipelines cannot achieve the reduction of the water content of the mud and the high processing cost of the mud in the conventional dewatering treatment technology.

Problem solution

Technical solution

[0005] The present invention is achieved by the present invention, a river lake rushing sediment sludge treatment mud concentrating device, comprising: [0006] a pipe body, a spiral body disposed in the pipe body, and a power device connected to the spiral body;

[0007] one end of the pipe body is provided with a slurry inlet, and the other end is provided with a slurry outlet; [0008] The pipe body includes a first pipe body and a second pipe body which are sequentially connected from the inside to the outside, the first pipe body is provided with a filter hole, and the first pipe body and the second pipe body are a filtering chamber is disposed between the second tube body and a water filtering port communicating with the filtering chamber;

[0009] the spiral body is driven by the power device to rotate in the first pipe body such that the spiral body scrapes off the filtered mud cake adsorbed on the inner wall of the first pipe body, and The scraped mud cake is conveyed from the feed port to the slurry outlet.

[0010] As a preferred technical solution of the present invention:

[0011] Further, the spiral body includes a shaftless spiral blade, and the shaftless spiral blade is distributed on the spiral body in a uniform equidistant spiral shape.

[0012] Further, the first pipe body is configured as a hose, and the plurality of filter holes are evenly distributed on the hose.

[0013] Further, an inner surface of the second pipe body is provided with a support rib for supporting the first pipe body.

[0014] Further, the support rib is formed in a spiral shape, and the support rib of the spiral shape divides the filter chamber into a spiral filter passage; the filter passage communicates with the water filter.

[0015] Further, the feed port is connected with a slurry feed pipe, and the other end of the feed pipe is provided with a mud pump for pumping mud into the first pipe body.

[0016] Further, the power unit includes a motor and a speed reducer connected to the motor.

[0017] Further, one end of the pipe body is fixed on a base, and the spiral body and the power device are respectively connected to the base.

[0018] Further, the power device further includes a differential connected to the base.

[0019] Further, the water filter port is connected with a water return pipe for recovering filtered water.

Advantageous effects of the invention

Beneficial effect

[0020] The first tube body is provided by the first tube body, and the first tube body acts as a filter for the mud, and the filtered water is discharged through the filter water nozzle; the mud filtered by the first tube body is adsorbed on the first tube body. A mud cake is formed on the inner wall, and then a spiral body is arranged, and the spiral body is driven by the power device to rotate in the first pipe body, the spiral body scrapes off the mud cake during the rotation process, and the scraped mud cake is conveyed from the feed port to the outlet. The slurry mouth and the spiral body provided ensure the water passing capacity and water permeability of the first pipe body, and the mud cake with poor fluidity is output to the pipe body. The invention adopts the structure of the pipe body and the spiral body, and passes the mud before the subsequent processing of the mud The separation of mud and water is realized in the pipe body, and a large amount of water in the mud is removed, thereby further reducing the water content of the mud. By gradually increasing the concentration of the mud, it is convenient to carry out subsequent treatment on the mud, thereby reducing the cost of subsequent treatment of the mud.

Brief description of the drawing

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS [0021] FIG. 1 is a schematic view showing the structure of a concentrating device for a mud-fluid-soiled sediment-treated mud pipeline provided by an embodiment of the present invention.

[0022] In the drawings: 1-tube body, 11-first tube body, 12-second tube body, 121-support rib, 122-water filter port, 13-filter chamber, 14-feed port, 15-out Slurry, 2-spiral, 3-power unit, 31-motor, 32-reducer, 33-differential, 4-back pipe, 5-base, 6-feed line, 7-mud pump.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0024] It is to be noted that when an element is referred to as being "fixed" or "in" another element, it may be directly on the other element or indirectly. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element.

[0025] The present invention provides a concentrating device for treating mud pipelines in rivers and lakes, which realizes mud water separation in the pipelines, removes a large amount of water in the mud, thereby significantly reducing the water content of the mud, and facilitating subsequent treatment of the mud. , thereby reducing the cost of subsequent processing of the mud.

[0026] Referring to FIG. 1, the river lake urgency sewage sludge treatment mud concentrating device comprises: a pipe body 1, a spiral body 2 placed in the pipe body 1, and a power device 3 connected to the spiral body 2; One end is provided with a slurry inlet port 14 and the other end is provided with a slurry outlet port 15; the pipe body 1 includes a first pipe body 11 and a second pipe body 12 connected in series from the inside to the outside, and the first pipe body 11 is provided with a filter hole. A filter chamber 13 is disposed between the first pipe body 11 and the second pipe body 12, and the second pipe body 12 is provided with a water filter port 122 communicating with the filter chamber 13; the spiral body 2 is driven by the power unit 3, The inside of the pipe body 11 is rotated so that the spiral body 2 scrapes off the filtered mud cake adsorbed on the inner wall of the first pipe body 11, and the scraped mud cake is conveyed from the slurry inlet port 14 to the slurry discharge port 15. [0027] In the embodiment of the present invention, the first pipe body 11 is configured to filter the mud through the first pipe body 11, and the filtered water is discharged through the filtering water port 122; the mud adsorption after being filtered by the first pipe body 11 A mud cake is formed on the inner wall of the first pipe body 11, and then the spiral body 2 is driven by the power unit 3 to rotate in the first pipe body 11 by the spiral body 2, and the screw body 2 scrapes off the mud cake during the rotation, and The scraped mud cake is conveyed from the slurry inlet 14 to the slurry outlet 15, and the spiral body 2 is provided to further ensure the water passing capacity and water permeability of the first pipe body 11, and the mud cake output pipe with poor fluidity is also provided. Body 1. According to the structure of the pipe body 1 and the spiral body 2, the mud water separation in the pipe body 1 is realized before the mud is subjected to the subsequent treatment, thereby removing a large amount of water in the mud, thereby significantly reducing the water content of the mud, and gradually improving The concentration of the mud facilitates subsequent processing of the mud, thereby reducing the cost of subsequent processing of the slurry.

[0028] Preferably, the spiral body 2 includes a shaftless spiral blade, and the shaftless spiral blade is distributed on the spiral body 2 in a uniformly equidistant spiral shape. Specifically, the shaftless helical blade is coupled to the power unit 3 via a drive shaft. The screw cake is driven by the spiral rotation of the shaftless spiral blade. Because the shaftless spiral blade is provided, the mud cake is not easy to block, so it can run at a lower speed, smooth transmission, reduce energy consumption, and the shaftless spiral blade is not easy to appear mud cake. Backlog.

[0029] Preferably, the first pipe body 11 is provided as a hose. A plurality of filter holes are evenly distributed on the hose. It is worth noting that the hose can be set as a metal hose or a corrugated hose, or other hoses can be provided for filtering. Specifically, a filter hole is provided on the hose, and the filter hole of the hose is preferably used in soft The way the tube is integrally formed. By setting the hose to have better corrosion resistance during use, and the hose has the characteristics of flexibility, flexibility, flexibility, and flexibility, it also helps to absorb and silence sound. Further, the inner surface of the second pipe body 12 is provided with support ribs 121 for supporting the first pipe body 11. The supporting ribs 121 help to strengthen the pressure bearing capacity of the hose. It is worth noting that the filtering chamber 13 is between the supporting rib 121 and the first pipe body 11, and may also be expressed as the supporting rib 121 and the first pipe. A gap is reserved between the bodies 11 so that the filtered water collects through the filter chamber 13 between the hose and the second tube 12 to the water filter port 122.

Further, the support rib 121 may be formed in a spiral shape, and the spiral support rib 121 divides the filter chamber 13 into a spiral filter passage; the filter passage communicates with the water filter port 122. The first pipe body 11 and the second pipe body 12 can be tightly connected by the spiral support ribs 12 1 , so that the support ribs 121 can well support the same body of the first pipe body 11 and help guide the filtered water. It circulates and is discharged from the water filter port 122.

[0031] Further, the feed port 14 is connected with a slurry feed pipe 6, and the other end of the feed pipe 6 is provided with a mud pump The mud pump 7 is inserted into the first pipe body 11. The mud is conveniently pumped into the first tube 11 by a mud pump.

[0032] Specifically, the power unit 3 includes a motor 31 and a speed reducer 32 connected to the motor 31. The power unit 3, which is composed of the motor 31 and the speed reducer 32, drives the screw 2 to rotate.

Further, one end of the pipe body 1 is fixed to a base 5, and the spiral body 2 and the power unit 3 are respectively connected to the base 5. The base 5 is arranged to facilitate the fixing of the pipe body 1, to enhance the stability of the connection of the pipe body 1, and to facilitate connection with the power unit 3, so that the power unit 3 powers the spiral body 2.

Further, the power unit 3 further includes a differential 33 connected to the base 5. Specifically, the differential 33 is coupled to the base ₅ via a shaft. The differential 33 allows the motor 31 to better power the spiral 2. It is worth noting that the functions of the motor 31, the reducer 32, and the differential 33 can be implemented using conventional conventional techniques. In addition to the foregoing structure, the power unit 3 can adopt other conventional technical means as long as it can supply power to the spiral body 2, and the power unit 3 is used to drive the spiral body 2 to rotate in the first tube body 11, so that the spiral body 2 can be made. The filtered mud cake adsorbed on the inner wall of the first pipe body 11 is scraped off and the scraped mud cake is conveyed from the slurry inlet port 14 to the slurry discharge port 15. In the present embodiment, the mud pump 7, the motor 31 and the speed reducer 32 are disposed at one end of the slurry feed pipe 6 away from the pipe body 1, and the differential 33 is disposed at the other end of the pipe body 1 remote from the base 5.

Further, the water filter port 122 is connected to a water return pipe 4 for recovering filtered water. By setting the return pipe 4, it is convenient to recycle the recovered filtered water and save resources.

[0036] At the time of use, the slurry enters the first pipe body 11 through the slurry feed pipe 6, and after being filtered by the first pipe body 11, the filtered water is discharged through the filter water port 122. The mud adsorbed on the inner wall of the first pipe body 11 forms a mud cake, the motor 31 drives the speed reducer 31, and the speed reducer 32 drives the shaftless spiral blade, and the shaftless spiral blade scrapes the mud cake during the rotation, and will scrape The removed mud cake is conveyed from the feed port 14 to the slurry outlet 15. Specifically, the mud after the conditioning of the conditioning tank is filtered by the pump to the separation system of the plate and frame filter press to perform the mud-water separation, and the concentrated sediment-removing mud pipeline concentrating device of the river lake is provided. The mud is then sent to a plate and frame filter press for mechanical dewatering. The invention realizes the separation of mud and water by improving the pipeline, and can obviously reduce the water content of the mud, thereby facilitating the subsequent treatment of the mud and reducing the cost of subsequent treatment of the mud. It should be noted that the river lake rushing sewage sludge treatment mud concentrating device of the technical scheme of the invention can also be used in other pipelines to reduce the water content of the mud, which is beneficial to the subsequent treatment of the mud.

The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made by God and the principles are intended to be included within the scope of the present invention.

Claims

Claim

The utility model relates to a river lake rushing sewage sludge treatment mud concentrating device, comprising: a pipe body, a spiral body disposed in the pipe body and a power device connected with the spiral body; a slurry port having a slurry outlet at the other end; the pipe body includes a first pipe body and a second pipe body connected in series from the inside to the outside, the first pipe body is provided with a filter hole, and the first pipe body a filtering chamber is disposed between the second tube body, and the second tube body is provided with a water filtering port communicating with the filtering chamber; the spiral body is driven by the power device, Rotating a tube body such that the spiral body scrapes off the filtered mud cake adsorbed on the inner wall of the first tube body, and transports the scraped mud cake from the slurry inlet to the slurry mouth.

The apparatus for concentrating a mud-fluid sludge treatment mud pipeline according to claim 1, wherein the spiral body comprises a shaftless spiral blade, and the shaftless spiral blade is uniformly distributed in a spiral shape to the spiral body. on.

The river-lake-contaminated sediment-treated mud pipe concentrating device according to claim 1, wherein the first pipe body is provided as a hose, and the plurality of filter holes are evenly distributed on the hose.

The river-lake flu contaminated sediment treatment mud pipeline concentrating device according to claim 3, wherein the inner surface of the second pipe body is provided with a support rib for supporting the first pipe body.

[Claim 5] The river lake gushing sludge treatment mud pipeline concentrating device according to claim 4, wherein the support rib is spiral, and the spiral support ribs the filter chamber a filter channel partitioned into a spiral; the filter channel communicates with the water filter.

[Claim 6] The concentrating device for treating mud and water in a river and a filthy mud sediment according to any one of claims 1 to 5, wherein the slurry inlet is connected to a slurry feeding pipe, and the slurry feeding pipe is connected At the other end is provided a mud pump for pumping mud into the first tube.

[Claim 7] The river-lake-fluid-soil-treated sludge treatment concentrating device according to any one of claims 1 to 5, wherein the power unit includes a motor and a speed reducer connected to the motor. [Claim 8] The apparatus for concentrating mud pipelines in a river and a lake according to any one of claims 1 to 5, wherein one end of the pipe body is fixed on a base, the spiral body and the power The devices are each connected to the base.

[Claim 9] The river lake gushing sludge treatment mud pipeline concentrating device according to claim 8, wherein the power plant further includes a differential connected to the base.

[Claim 10] The river-lake-fluid-contaminated sludge treatment mud concentrating device according to any one of claims 1 to 5, wherein the water filter port is connected with a return pipe for recovering filtered water.