Coal slurry filtering device

Abstract

The utility model relates to the field of filtering devices, in particular to a coal slurry filtering device. The technical problems that an existing filtering device is difficult in residue discharging and recycling, low in filtering efficiency and inconvenient to use are solved. According to the technical scheme, the coal slurry filtering device comprises a filtering device body. By arranging the supporting and sealing assembly, the device can be stably supported, the stability of the device is improved, meanwhile, a sealing environment is provided, the problem of overflow in the coal slurry filtering process is avoided, the storage and assembly assembly can be used for rapidly assembling and disassembling parts according to needs, maintenance and cleaning are convenient, meanwhile, the coal slurry is stored, and the coal slurry filtering efficiency is improved. The filtering and flushing assembly can fully filter the coal slurry, the filter screen can be detached to be cleaned, and meanwhile dirt in the barrel can be cleaned.

Description

Technical Field

[0001] The utility model relates to the field of filtering devices, in particular to a coal slurry filtering device. Background Art

[0002] Water-coal slurry is an important raw material for gasification reaction. From the perspective of gasification, fine coal slurry particle size is beneficial to gasification reaction. Coarse coal slurry particle size is not beneficial to gasification reaction. On the one hand, gasification efficiency is too low. On the other hand, it will affect the slurry forming performance and stability of coal slurry, making particles easy to precipitate. At the same time, if the particle size is too large, the viscosity is low, and it is easy to deposit, causing irregular blockage of the burner channel, burner bias, and coal slurry pressure difference fluctuation. Therefore, the coal slurry particle size must be controlled within the specified range, but the existing filter device has the problems of difficult slag discharge and difficult recovery, low filtration efficiency, and inconvenient use. The utility model provides a filter device with low cost and high working stability, which is convenient for regular flushing of the filter screen and slag discharge. Utility Model Content

[0003] In order to overcome the problems of the existing filtering device such as difficulty in slag discharge and recovery, low filtering efficiency and inconvenience in use, the utility model provides a coal slurry filtering device.

[0004] The technical solution of the utility model is: a coal slurry filtering device, including a filtering device body, and also including a supporting sealing component, a storage assembly component, and a filtering and flushing component; the filtering device body is divided into a supporting and sealing component for stabilizing the supporting device; a storage assembly component for coal slurry storage and classification is arranged inside the supporting and sealing component; a filtering and flushing component for coal slurry filtering is arranged inside the storage assembly component.

[0005] Preferably, the supporting sealing component can provide firm support for the device, improve the stability of the device, and provide a sealed environment to avoid overflow problems during the coal slurry filtration process. The storage assembly component can quickly assemble and disassemble parts as needed to facilitate maintenance and cleaning, and store the coal slurry at the same time. The filtering and flushing component can fully filter the coal slurry, the filter net can be removed for cleaning, and the dirt in the cylinder can be cleaned at the same time.

[0006] Preferably, the supporting sealing assembly includes a plastic protective barrel, a rotary separator, a first cover plate, a second cover plate, bolts and an anti-slip support rod; a rotary separator is provided on the inner side of the plastic protective barrel to place the device in a suitable position, and the anti-slip support rod at the lower end of the plastic protective barrel has a stable supporting function, thereby improving the stability of the device.

[0007] Preferably, a first cover plate is fixedly installed on the upper end of the plastic protective barrel; a second cover plate is clamped and placed on the upper end of the first cover plate; bolts are arranged inside the second cover plate; an anti-slip support rod is fixedly installed on the outer side of the plastic protective barrel, the second cover plate is limitedly placed on the upper end of the first cover plate, and the bolts pass through the first cover plate and the second cover plate for stable installation.

[0008] Preferably, the storage assembly component includes a fixed anti-corrosion tank, a feed through pipe, a flange, a storage shell, a socket sealing ring, an arc-shaped through pipe, a slag discharge pipe and a valve; the lower end of the first cover plate is fixedly connected to the fixed anti-corrosion tank; the side end of the fixed anti-corrosion tank is fixedly connected to the feed through pipe, which settles to the lower part along the cylinder wall of the storage shell under the action of the centrifugal force and self-gravity of the feed, and is discharged from the bottom slag discharge pipe through the arc-shaped through pipe, and the upper end of the cylinder is sealed by a flange and a matching device; the backwash interface is arranged on the second cover plate.

[0009] Preferably, a flange is provided at the side end of the feed through pipe; the lower end of the fixed anti-corrosion tank is fixedly connected to a storage shell; a socket sealing ring is provided on the inner side of the storage shell; an arc-shaped through pipe is fixedly connected to the lower end of the storage shell; a slag discharge pipe outlet is provided at the side end of the arc-shaped through pipe; a valve is provided at the side end of the slag discharge pipe outlet to seal the upper end of the central filter screen with one side of the cylinder on the socket sealing ring, the lower end of the central filter screen and the upper end of the liquid outlet pipe outlet are provided with a sealing ring for sealing, the central filter screen can be disassembled for cleaning, and the dirt in the cylinder can be cleaned at the same time.

[0010] Preferably, the filtering and flushing assembly includes a sealing connection ring, a backwashing interface, a central filter screen, a limiting clamp ring, a feed pipe and a liquid outlet; a sealing connection ring is snap-fitted and installed at the lower end of the first cover plate; a backwashing interface is fixedly connected to the upper end of the sealing connection ring, and after the water-coal slurry enters the storage shell from the upper feed pipe, the coal slurry is formed into a vortex through the rotating separator in the plastic protective barrel, and the slurry smaller than the gap of the central filter screen passes through the central filter screen from the outside of the central filter screen into the filter cavity in the central filter screen.

[0011] Preferably, a central filter is fixedly installed inside the anti-corrosion tank; a limiting clamp is fixedly installed outside the central filter; a discharge pipe is fixedly connected to the lower end of the limiting clamp; a liquid outlet is connected to the lower end of the discharge pipe, and the liquid is discharged from the liquid outlet through the discharge pipe under the action of gravity and pressure, and large particles of coal slag larger than the gaps of the central filter are blocked on the outer wall of the central filter.

[0012] Beneficial effects of the utility model:

[0013] 1. During use, the support and sealing components can provide a stable support for the device, improve the stability of the device, and provide a sealed environment to avoid overflow during the filtration of coal slurry. The storage assembly components can quickly assemble and disassemble parts as needed, which is convenient for maintenance and cleaning, and can store coal slurry at the same time. The filter and flushing components can fully filter the coal slurry, and the filter net can be disassembled for cleaning, and the dirt in the cylinder can be cleaned at the same time;

[0014] 2. Place the device in a suitable position. The anti-slip support rod at the lower end of the plastic protective barrel has a stable support function to improve the stability of the device. Place the second cover plate on the upper end of the first cover plate, and the bolts pass through the first and second cover plates for stable installation.

[0015] 3. Particles larger than the gap of the central filter settle to the lower part along the wall of the storage shell under the action of the centrifugal force of the feed and gravity, and are discharged from the bottom slag discharge pipe through the arc-shaped through pipe. The upper end of the cylinder is sealed by the method and the supporting device; the backwash interface is set on the second cover plate; the upper end of the central filter is sealed with one side of the cylinder on the socket sealing ring, and the lower end of the central filter and the upper end of the liquid outlet are set to be sealed with a sealing ring. The central filter can be disassembled for cleaning, and the dirt in the cylinder can be cleaned at the same time;

[0016] 4. After the water-coal slurry enters the storage shell from the upper feed pipe, the coal slurry forms a vortex through the rotary separator in the plastic protective barrel. The slurry smaller than the gap of the central filter passes through the central filter from the outside of the central filter into the filter cavity inside the central filter. It is then discharged from the liquid outlet through the feed pipe under the action of gravity and pressure. The large particles of coal slag larger than the gap of the central filter are blocked on the outer wall of the central filter and discharged regularly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 What is shown is a three-dimensional structural schematic diagram of the filtering device of the utility model;

[0018] Figure 2 The figure shows a schematic diagram of the structure of the support and seal assembly of the filter device of the utility model;

[0019] Figure 3 Shown is a schematic diagram of a storage assembly component of the filter device of the utility model;

[0020] Figure 4 Shown is a schematic diagram of the filter flushing component of the filter device of the utility model.

[0021] Explanation of the reference numerals: 1. Filter body; 2. Support and seal assembly; 3. Storage assembly assembly; 4. Filter and flushing assembly; 201. Plastic protective barrel; 202. Rotary separator; 203. First cover plate; 204. Second cover plate; 205. Bolt; 206. Anti-skid support rod; 301. Fixed anti-corrosion tank; 302. Feed pipe; 303. Flange; 304. Storage shell; 305. Socket sealing ring; 306. Arc pipe; 307. Slag discharge pipe; 308. Valve; 401. Sealing connecting ring; 402. Backwash interface; 403. Center filter; 404. Limit clamp ring; 405. Feed pipe; 406. Liquid outlet. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] See also Figure 1 The utility model provides an embodiment: a coal slurry filtering device, including a filtering device body 1, and also including a supporting sealing component 2, a storage assembly component 3, and a filtering and flushing component 4; the filtering device body 1 is divided into a supporting and sealing component 2 for firmly supporting the device; a storage assembly component 3 for coal slurry storage classification is arranged inside the supporting and sealing component 2; a filtering and flushing component 4 for coal slurry filtering is arranged inside the storage assembly component 3, the supporting and sealing component 2 can firmly support the device, improve the stability of the device, and at the same time provide a sealed environment to avoid overflow problems during the coal slurry filtering process, the storage assembly component 3 can quickly assemble and disassemble parts as needed, which is convenient for maintenance and cleaning, and at the same time, the coal slurry can be stored, the filtering and flushing component 4 can fully filter the coal slurry, the filter net can be disassembled for cleaning, and the dirt in the cylinder can be cleaned at the same time.

[0024] See also Figure 2 In this embodiment, the support sealing assembly 2 includes a plastic protective barrel 201, a rotary separator 202, a first cover plate 203, a second cover plate 204, bolts 205 and an anti-skid support rod 206; a rotary separator 202 is arranged on the inner side of the plastic protective barrel 201, and a first cover plate 203 is fixedly installed on the upper end of the plastic protective barrel 201; a second cover plate 204 is clamped and placed on the upper end of the first cover plate 203; bolts 205 are arranged inside the second cover plate 204; an anti-skid support rod 206 is fixedly installed on the outer side of the plastic protective barrel 201, and the device is placed in a suitable position. The anti-skid support rod 206 at the lower end of the plastic protective barrel 201 has a stable support function, which improves the stability of the device, and the second cover plate 204 is limitedly placed on the upper end of the first cover plate 203, and the bolts 205 pass through the first cover plate 203 and the second cover plate 204 for stable installation.

[0025] See also Figure 3-4In this embodiment, the storage assembly 3 includes a fixed anti-corrosion tank 301, a feed pipe 302, a flange 303, a storage shell 304, a socket seal 305, an arc-shaped pipe 306, a slag discharge pipe 307 and a valve 308; the lower end of the first cover plate 203 is fixedly connected to the fixed anti-corrosion tank 301; the side end of the fixed anti-corrosion tank 301 is fixedly connected to the feed pipe 302, and the side end of the feed pipe 302 is provided with a flange 303; the lower end of the fixed anti-corrosion tank 301 is fixedly connected to the storage shell 304; the inner side of the storage shell 304 is provided with a socket seal 305; the storage shell 304 The lower end is fixedly connected with an arc-shaped through pipe 306; a slag discharge pipe 307 is arranged at the side end of the arc-shaped through pipe 306; a valve 308 is arranged at the side end of the slag discharge pipe 307. Particles larger than the gap of the central filter screen settle to the lower part along the cylinder wall of the storage shell 304 under the action of the centrifugal force of the feed and the gravity, and are discharged from the bottom slag discharge pipe 307 through the arc-shaped through pipe 306. The upper end of the cylinder is sealed by the flange 303 and the matching device; the backwash interface 402 is arranged on the second cover plate 204; the upper end of the central filter screen 403 is sealed with one side of the cylinder on the socket seal ring 305, and the lower end of the central filter screen 403 is sealed with the liquid outlet pipe The upper end of 406 is set to be sealed with a sealing ring, the central filter 403 can be disassembled for cleaning, and the dirt in the cylinder can be cleaned at the same time. The filter and flushing component 4 includes a sealing connection ring 401, a backwashing interface 402, a central filter 403, a limiting clamp ring 404, a feed pipe 405 and a liquid outlet 406; the lower end of the first cover plate 203 is clamped and installed with a sealing connection ring 401; the upper end of the sealing connection ring 401 is fixedly connected with the backwashing interface 402, and the central filter 403 is clamped and installed inside the fixed anti-corrosion tank 301; the outer side of the central filter 403 is fixedly installed with a limiting clamp ring 404; the limiting clamp ring A feed discharge pipe 405 is fixedly connected to the lower end of the ring 404; a liquid outlet pipe 406 is connected to the lower end of the feed discharge pipe 405. After the water-coal slurry enters the storage shell 304 from the upper feed pipe 302, the coal slurry is formed into a vortex through the rotary separator 202 in the plastic protective barrel 201. The slurry smaller than the gap of the central filter screen 403 passes through the central filter screen 403 from the outside of the central filter screen 403 and enters the filter cavity in the central filter screen 403. Then, it is discharged from the liquid outlet pipe 406 through the feed discharge pipe 405 under the action of gravity and pressure, and the large particles of coal slag larger than the gap of the central filter screen 403 are blocked on the outer wall of the central filter screen 403.

[0026] When using the device for coal slurry filtration, first place the device in a suitable position. The anti-slip support rod 206 at the lower end of the plastic protective barrel 201 has a stable support function to improve the stability of the device. The second cover plate 204 is limited and placed on the upper end of the first cover plate 203. The bolts 205 pass through the first cover plate 203 and the second cover plate 204 for stable installation.

[0027] Then, after the water-coal slurry enters the storage shell 304 from the upper feed pipe 302, it is formed into a swirl by the rotary separator 202 in the plastic protection barrel 201. The slurry smaller than the gap of the central filter 403 passes through the central filter 403 from the outside of the central filter 403 and enters the filter cavity in the central filter 403. Then, under the action of gravity and pressure, it is discharged from the liquid outlet 406 through the feed pipe 405. The large particles of coal slag larger than the gap of the central filter 403 are blocked on the outer wall of the central filter 403. Under the action of gravity, the liquid settles to the lower part along the wall of the storage shell 304, and is discharged regularly from the bottom slag discharge pipe 307 through the arc-shaped through pipe 306. The upper end of the cylinder is sealed by the flange 303 and the supporting device; the backwash interface 402 is arranged on the second cover plate 204; the upper end of the central filter 403 is sealed with one side of the cylinder on the socket sealing ring 305, and the lower end of the central filter 403 and the upper end of the liquid outlet pipe 406 are set to be sealed with a sealing ring. The central filter 403 can be disassembled for cleaning, and the dirt in the cylinder can be cleaned at the same time.

[0028] It is worth mentioning that the utility model can adjust the size of the coal slurry particles discharged from the liquid outlet 406 by adjusting the aperture size of the central filter 403; it can also adjust the valve opening of the slag discharge outlet 307 and the liquid outlet 406 so that the slag discharge outlet 307 maintains a certain pressure, thereby taking away the materials accumulated on the outer wall of the central filter 403 while the slag discharge outlet 307 discharges slag;

[0029] In addition, close the valves of the feed pipe 302 and the liquid outlet 406; open the valves of the backwash interface 402 and the slag discharge outlet 307, and the flushing water flushes the inner wall of the central filter 403 through the backwash interface 402, flushes away the material accumulated on the outer wall of the central filter 403, and discharges it through the slag discharge outlet 307, thereby achieving the effect of online flushing of the central filter 403.

[0030] Through the above steps, setting the support sealing component 2 can provide a firm support for the device, improve the stability of the device, and provide a sealed environment to avoid overflow problems during the coal slurry filtration process. The storage assembly component 3 can quickly assemble and disassemble parts as needed, which is convenient for maintenance and cleaning, and the coal slurry can be stored at the same time. The filter flushing component 4 can fully filter the coal slurry, the filter net can be removed for cleaning, and the dirt in the cylinder can be cleaned at the same time.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A coal slurry filtering device, comprising a filtering device body (1); characterized in that: It also includes a support sealing component (2), a storage assembly component (3), and a filter flushing component (4); the filter device body (1) is divided into a support sealing component (2) for stabilizing the support device; a storage assembly component (3) for coal slurry storage and classification is arranged inside the support sealing component (2); and a filter flushing component (4) for coal slurry filtering is arranged inside the storage assembly component (3).

2. A coal slurry filtering device according to claim 1, characterized in that: The support seal assembly (2) comprises a plastic protection barrel (201), a rotation separator (202), a first cover plate (203), a second cover plate (204), bolts (205) and an anti-slip support rod (206); the rotation separator (202) is arranged inside the plastic protection barrel (201).

3. A coal slurry filtering device according to claim 2, characterized in that: A first cover plate (203) is fixedly mounted on the upper end of the plastic protection barrel (201); a second cover plate (204) is clamped and placed on the upper end of the first cover plate (203); bolts (205) are arranged inside the second cover plate (204); and an anti-slip support rod (206) is fixedly mounted on the outer side of the plastic protection barrel (201).

4. A coal slurry filtering device according to claim 2, characterized in that: The storage assembly component (3) comprises a fixed anti-corrosion tank (301), a feed pipe (302), a flange (303), a storage shell (304), a socket seal ring (305), an arc-shaped pipe (306), a slag discharge pipe opening (307) and a valve (308); the lower end of the first cover plate (203) is fixedly connected to the fixed anti-corrosion tank (301); and the side end of the fixed anti-corrosion tank (301) is fixedly connected to the feed pipe (302).

5. A coal slurry filtering device according to claim 4, characterized in that: A flange (303) is provided at the side end of the feed pipe (302); a storage shell (304) is fixedly connected to the lower end of the fixed anti-corrosion tank (301); a socket seal (305) is provided inside the storage shell (304); an arc-shaped pipe (306) is fixedly connected to the lower end of the storage shell (304); a slag discharge pipe opening (307) is provided at the side end of the arc-shaped pipe (306); and a valve (308) is provided at the side end of the slag discharge pipe opening (307).

6. A coal slurry filtering device according to claim 2, characterized in that: The filter and flushing assembly (4) comprises a sealing connection ring (401), a backwashing interface (402), a central filter screen (403), a limit clamp ring (404), a material discharge pipe (405) and a liquid outlet pipe (406); the sealing connection ring (401) is clamped and installed at the lower end of the first cover plate (203); and the backwashing interface (402) is fixedly connected to the upper end of the sealing connection ring (401).

7. A coal slurry filtering device according to claim 6, characterized in that: A central filter (403) is fixedly mounted inside the fixed anti-corrosion tank (301); a limit clamp (404) is fixedly mounted outside the central filter (403); a material discharge pipe (405) is fixedly connected to the lower end of the limit clamp (404); and a liquid outlet (406) is connected to the lower end of the material discharge pipe (405).

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