A treatment tank for raw coal cleaning

Abstract

The utility model relates to raw coal processing technical field, and disclose a kind of for raw coal washing's treatment pool, including concentration pool, the first circulating pipeline that extends to its inside center place is connected in the outside of concentration pool, the one end of the first circulating pipeline is connected with the circulating treatment pipeline of vertical distribution to it outside concentration pool, the other end of the circulating treatment pipeline is connected with the second circulating pipeline that extends to concentration pool inside and end part is below the first circulating pipeline, the end part of the second circulating pipeline is connected with receiving pipe fitting, the motor of the output shaft extending to its inside is fixedly installed in the outside of the circulating treatment pipeline by being close to the first circulating pipeline side, the output end of the motor is fixedly provided with drainage paddle, the collecting sleeve that extends to its inside and is close to the second circulating pipeline side is inserted in the outside of the circulating treatment pipeline. This for raw coal washing's treatment pool, with the advantage that raw coal washing liquid can be concentrated and collected conveniently.

Description

Technical Field

[0001] This utility model relates to the field of raw coal processing technology, specifically a processing tank for cleaning raw coal. Background Technology

[0002] A coal washing thickener is a device used for coal slurry water treatment and recycling. It is usually circular in structure. When it is working, coal slurry water is introduced into the tank. Fine particles settle faster due to gravity and flocculant action. The mud layer gradually accumulates at the bottom and is discharged by a sludge scraper. The clarified water is recycled through the upper overflow weir, realizing solid-liquid separation and water resource recycling. It is a key environmental protection device commonly used in coal washing plants.

[0003] Existing treatment methods often face two problems in the process of water treatment: flocculant laying and flocculant collection. The flocculant is usually laid by adding and stirring in batches, and collected by scraping the bottom after complete sedimentation. The above methods require manual stirring and bottom scraping support, which involves many configuration items for the treatment tank and high production costs. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a treatment tank for raw coal washing, which has the advantage of conveniently concentrating and collecting the raw coal washing liquid. It solves the two problems that existing treatment schemes often face in the process of water treatment: flocculant laying and flocculent solid collection. The flocculant is usually laid by adding and stirring in batches, and collected by scraping the bottom after complete sedimentation. The above schemes require manual stirring and bottom scraping support, which means that there are many configuration items for the treatment tank and the production cost is high.

[0006] (II) Technical Solution

[0007] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A treatment tank for raw coal washing includes a thickening tank. The outside of the thickening tank is connected to a first circulation pipe extending to its internal center. One end of the first circulation pipe located outside the thickening tank is connected to a circulation treatment pipe that is perpendicular to it. The other end of the circulation treatment pipe is connected to a second circulation pipe that extends into the thickening tank and whose end is located below the first circulation pipe. The end of the second circulation pipe is connected to a receiving pipe fitting. An electric motor is fixedly installed on the outside of the circulation treatment pipe, which is close to the first circulation pipe and whose output shaft extends into it. A guide blade is fixedly provided at the output end of the electric motor. A collection sleeve extending into the inside of the circulation treatment pipe and close to the second circulation pipe is inserted into the outside of the circulation treatment pipe. A flocculant valve located between the guide blade and the collection sleeve is connected to the outside of the circulation treatment pipe.

[0008] Based on the above technical solution, the present invention can be further improved as follows.

[0009] Furthermore, the end of the first circulation pipe is bent at a 90-degree angle, the opening of the end of the first circulation pipe faces upward, and a filter sleeve is provided at the end of the first circulation pipe, the filter sleeve being detachable.

[0010] Furthermore, the receiving pipe includes an L-shaped manifold with one end facing upwards away from the second circulation pipe, and the outside of the manifold is connected to a plurality of funnels arranged in a ring array and in the shape of funnels.

[0011] Furthermore, the collection sleeve consists of a collection tube and a multi-layer composite filter screen. The outside of the collection tube is provided with a sealing gasket, which forms a seal with the circulation treatment pipe.

[0012] Furthermore, the side wall of the collection pipe is provided with a clearance hole, the position of which is adapted to the connection point of the second circulation pipe, and the multi-layer composite filter screen is located on the side close to the flocculant valve.

[0013] This invention provides a treatment tank for raw coal washing. By setting up a circulation treatment pipeline, under normal conditions, when it is necessary to concentrate the clean water, during the mixing stage, the clean water can be placed in the concentration tank. Then, the motor is started to drive the guide blades to rotate, allowing the water to enter through the first circulation pipe under the drive of the guide blades and be dispersed and discharged through the second circulation pipe and the collection pipe. Simultaneously, during this process, the flocculant valve is opened, and flocculant is injected into the circulation treatment pipes. The injected flocculant is directly carried into the collection sleeve by the impact of the water flow. Under the interference of the collection sleeve, it can effectively form a preliminary mixture with the water there and is discharged through the second circulation pipe, thus further mixing with the liquid inside the concentration tank. The mixture is mixed in stages to complete the concentration process. During the collection process after concentration, the motor starts to rotate in reverse, thereby changing the liquid inlet and outlet. At this time, the liquid is discharged from the first circulation pipe and collected from the second circulation pipe. After the liquid enters the circulation treatment pipe through the second circulation pipe, it is filtered by the collection sleeve to block the concentrated solids in the liquid. The filtered liquid is discharged through the first circulation pipe. The discharged liquid moves towards the inner wall of the concentration tank and flows downward after being blocked, pushing the liquid at the bottom wall of the concentration tank towards the second circulation pipe. This allows for convenient collection of the concentrated and settled solids, providing the advantage of convenient concentration and collection of raw coal washing liquid. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the liquid flow direction of this utility model. Figure 1 ;

[0016] Figure 3 This is a schematic diagram of the liquid flow direction of this utility model. Figure 2 .

[0017] In the diagram: 1. Thickening tank; 2. First circulation pipe; 3. Circulation treatment pipe; 4. Second circulation pipe; 5. Collection fitting; 51. Manifold pipe; 52. Return funnel; 6. Motor; 7. Drainage blade; 8. Collection sleeve; 81. Collection pipe; 82. Multi-layer composite filter screen; 9. Flocculant valve. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-3 This utility model provides a treatment tank for raw coal washing, including a thickening tank 1. The thickening tank 1 is externally connected to a first circulation pipe 2 extending to its internal center. One end of the first circulation pipe 2 located outside the thickening tank 1 is connected to a circulation treatment pipe 3 distributed perpendicularly thereto. The other end of the circulation treatment pipe 3 is connected to a second circulation pipe 4 extending into the thickening tank 1 and with its end located below the first circulation pipe 2. The end of the second circulation pipe 4 is connected to a receiving pipe fitting 5. An electric motor 6 is fixedly installed on the outside of the circulation treatment pipe 3, close to the first circulation pipe 2, with its output shaft extending into it. A guide blade 7 is fixedly installed at the output end of the electric motor 6. A collection sleeve 8 extending into the inside of the circulation treatment pipe 3 and close to the second circulation pipe 4 is inserted into the outside of the circulation treatment pipe 3. A flocculant valve 9 located between the guide blade 7 and the collection sleeve 8 is connected to the outside of the circulation treatment pipe 3.

[0020] In this embodiment, the end of the first circulation pipe 2 is bent at a 90-degree angle, the opening of the end of the first circulation pipe 2 faces upward, and a filter sleeve is provided at the end of the first circulation pipe 2. The filter sleeve is detachable.

[0021] This configuration effectively guides the flow of liquid, allowing the first circulation pipe 2 to effectively drive the water when acting as an outlet pipe, maintaining the liquid's tendency to move towards the second circulation pipe 4 for easier collection of solids.

[0022] In this embodiment, the receiving pipe 5 includes an L-shaped manifold 51 with one end facing upwards away from the second circulation pipe 4. The manifold 51 is connected to a plurality of funnel-shaped return funnels 52 arranged in a ring array.

[0023] The receiving pipe 5 with this configuration can collect the return liquid from various directions through the return funnel 52, and then collect it through the manifold 51 so that it can reach the second circulation pipe 4 for transportation.

[0024] In this embodiment, the collection sleeve 8 is composed of a collection pipe 81 and a multi-layer composite filter screen 82. The outside of the collection pipe 81 is provided with a sealing gasket and forms a seal with the circulation treatment pipe 3 through the sealing gasket.

[0025] The collection sleeve 8 with the above-mentioned configuration can be easily removed, while the multi-layer composite filter screen 82 can effectively intercept flocculated solids, and after the collection sleeve 8 is removed, it can be effectively treated by backflushing, making it convenient for recycling.

[0026] In this embodiment, a clearance hole is provided on the side wall of the collection pipe 81, and the position of the clearance hole is adapted to the connection point of the second circulation pipe 4. The multi-layer composite filter screen 82 is located on the side close to the flocculant valve 9.

[0027] The design of the clearance hole can effectively ensure the liquid passage while saving internal space, and ensure that the flocculated solids entering the collection and circulation treatment pipe 3 can be effectively accumulated inside the collection pipe 81.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A treatment tank for raw coal cleaning, comprising a thickening tank (1), characterized in that: The outside of the thickening tank (1) is connected to a first circulation pipe (2) extending to its internal center. One end of the first circulation pipe (2) located outside the thickening tank (1) is connected to a circulation treatment pipe (3) that is perpendicular to it. The other end of the circulation treatment pipe (3) is connected to a second circulation pipe (4) extending into the thickening tank (1) and located below the first circulation pipe (2). The end of the second circulation pipe (4) is connected to a receiving pipe fitting (5). A motor (6) is fixedly installed on the outside of the circulation treatment pipe (3) and is located near the first circulation pipe (2) with its output shaft extending into it. A guide blade (7) is fixedly installed at the output end of the motor (6). A collection sleeve (8) extending into the inside of the circulation treatment pipe (3) and close to the second circulation pipe (4) is inserted into the outside of the circulation treatment pipe (3). A flocculant valve (9) located between the guide blade (7) and the collection sleeve (8) is connected to the outside of the circulation treatment pipe (3).

2. The treatment tank for raw coal washing according to claim 1, characterized in that: The end of the first circulation pipe (2) is bent at a 90-degree angle, the opening of the end of the first circulation pipe (2) faces upward, and a filter sleeve is provided at the end of the first circulation pipe (2), and the filter sleeve is detachable.

3. The treatment tank for raw coal washing according to claim 1, characterized in that: The receiving pipe fitting (5) includes an L-shaped manifold (51) with one end facing upward away from the second circulation pipe (4), and the outside of the manifold (51) is connected to a plurality of funnels (52) arranged in a ring array and funnel shape.

4. The treatment tank for raw coal washing according to claim 1, characterized in that: The collection sleeve (8) consists of a collection tube (81) and a multi-layer composite filter screen (82). The outside of the collection tube (81) is provided with a sealing gasket and forms a seal with the circulation treatment pipe (3) through the sealing gasket.

5. A treatment tank for raw coal washing according to claim 4, characterized in that: The side wall of the collection pipe (81) is provided with a clearance hole, the position of which is adapted to the connection point of the second circulation pipe (4), and the multi-layer composite filter screen (82) is located on the side close to the flocculant valve (9).

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