Filtering device for low-rank coal pyrolysis wastewater treatment

By combining a multi-stage filtration structure with activated carbon and quartz sand, the problem of existing devices being unable to completely remove multiple pollutants from low-rank coal pyrolysis wastewater has been solved, achieving efficient wastewater purification.

CN223722955UActive Publication Date: 2025-12-26XINJIANG GUANGHUI COAL CLEANING & REFINING CO LTD
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Patent Information

Application Number
CN202422811859.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-12-26
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

Existing filtration devices are unable to effectively remove various pollutants from low-rank coal pyrolysis wastewater, resulting in high concentrations of suspended solids, organic matter, and heavy metals in the effluent, which affects water quality.

Method used

It adopts a multi-stage filtration structure, including a sedimentation shell, a mixing shell, a filter shell, and a fine filter plate, combined with activated carbon and quartz sand, to treat wastewater through sedimentation, flocculation, multiple filtration, and fine filtration.

Benefits of technology

It improves wastewater treatment efficiency, effectively removes suspended solids, organic matter and heavy metals from wastewater, and improves water quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wastewater treatment, in particular to a filtering device for low-rank coal pyrolysis wastewater treatment, which comprises a bottom plate and support legs fixed at four corners of the bottom of the bottom plate, the top of the bottom plate is fixedly connected with a precipitation shell, one side of the bottom plate is provided with a mixing shell, one side of the precipitation shell is communicated with a drain pipe, and the drain pipe is communicated with the mixing shell. The end, away from the precipitation shell, of the drainage pipe communicates with the mixing shell. Firstly, wastewater is conveniently precipitated through a precipitation shell, large particles and suspended solids are removed, then the wastewater is filtered through a coarse filter screen in a water conveying pipe and then discharged into a mixing shell, then a purifying agent material such as a flocculating agent can be added, and then a motor is started to enable a stirring rod to mix the wastewater and the purifying agent; therefore, aggregation and precipitation of fine particles are promoted, large floccules are formed, then activated carbon quartz sand and a fine filter plate are matched for filtering and then are discharged, multiple times of filtering are completed, and the wastewater treatment effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to waste water treatment technical field, concretely is a kind of filter device for low-rank coal pyrolysis waste water treatment. BACKGROUND

[0002] The dry distillation waste water of semi-coke production is complex in water quality composition, contains coal tar, asphaltene and fine particles and other easy-polluting substances, and the problems of emulsified oil and suspended matter are the "bottleneck" in the semi-coke industry. Low-rank coal pyrolysis waste water is a kind of industrial waste water with high concentration and high pollutants, which contains a large amount of solid particles, suspended matter, organic matter and heavy metals and other harmful substances. If it is directly discharged into the environment without treatment, it will cause serious pollution and damage to water resources, soil and ecological environment.

[0003] In order to reduce the pollution of such waste water to the environment, a filter device needs to be added in the treatment process to remove suspended matter, organic matter, heavy metals and other pollutants in the waste water. However, the existing filter device has a single filtering structure, and a single filtering material can usually only target a specific type of pollutant, and cannot comprehensively and effectively remove multiple pollutants such as suspended matter, organic matter and heavy metals, resulting in a high concentration of pollutants in the final effluent, affecting water quality. SUMMARY

[0004] The utility model aims at providing a kind of filter device for low-rank coal pyrolysis waste water treatment to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of filter device for low-rank coal pyrolysis waste water treatment, including bottom plate, still including:

[0006] Supporting leg is fixed to the bottom four corners of bottom plate, the top of bottom plate is fixedly connected with sediment shell, one side of bottom plate is provided with mixing shell, one side of sediment shell is communicated with drain pipe, the end of drain pipe away from sediment shell is communicated with mixing shell;

[0007] Water pipe is fixed to one side of mixing shell, one side of water pipe is fixedly connected with filter shell, the inside of drain pipe is provided with coarse filter screen.

[0008] Preferably, the bottom of the sediment shell is communicated with a blowdown pipe through a solenoid valve, and the top of the mixing shell is provided with a feeding shell on one side.

[0009] Preferably, the top of the feeding shell is hinged with a cover plate on one side, and the side of the sediment shell is communicated with a water inlet pipe.

[0010] Preferably, the top of the mixing shell is fixedly connected with a motor, and the output end of the motor penetrates into the inside of the mixing shell and is fixedly connected with a stirring rod.

[0011] Preferably, one side of the filter shell is fixedly connected with a reinforcing plate, and one side of the reinforcing plate is fixedly connected with the mixing shell.

[0012] Preferably, the top of the filter shell inner cavity is inserted with a fine filter plate, the filter shell inner cavity is fixedly connected with a plurality of partition shells, and the filter shell is respectively provided with activated carbon and quartz sand.

[0013] Preferably, one side of the filter shell is fixedly connected with an extension plate, the bottom of the extension plate is fixedly connected with a spring, the bottom of the spring is fixedly connected with a plug rod, the top of the plug rod is fixedly connected with a pull block, and one side of the fine filter plate is fixedly connected with a fixed plate used in cooperation with the plug rod.

[0014] Compared with the prior art, the filter device for low-rank coal pyrolysis wastewater treatment has the following beneficial effects:

[0015] The filter device for low-rank coal pyrolysis wastewater treatment has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a main body structure schematic view of the filter device for low-rank coal pyrolysis wastewater treatment.

[0017] Figure 2 It is a sectional structure schematic view of the sediment shell.

[0018] Figure 3 It is a sectional structure schematic view of the mixing shell.

[0019] Figure 4 It is a sectional structure schematic view of the filter shell.

[0020] In the drawing: 1, bottom plate; 101, water inlet pipe; 2, supporting leg; 3, sediment shell; 4, mixing shell; 5, drain pipe; 6, water delivery pipe; 7, filter shell; 8, coarse filter screen; 9, blowdown pipe; 10, feeding shell; 11, cover plate; 12, motor; 13, stirring rod; 14, reinforcing plate; 15, fine filter plate; 16, partition shell; 17, activated carbon; 18, quartz sand; 19, extension plate; 20, spring; 21, plug rod; 22, pull block; 23, fixed plate. DETAILED DESCRIPTION

[0021] For further illustrating the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the following will combine with the drawings and the preferred embodiments to specifically explain the specific implementation manners, structures, features and effects of the utility model.

[0022] Please refer to Figures 1-4 As shown in the figure, a kind of low-rank coal pyrolysis wastewater treatment filtering device, including bottom plate 1, still include: support leg 2 fixed in the bottom four corners of bottom plate 1, through support leg 2, it is convenient to support bottom plate 1, the top of bottom plate 1 is fixedly connected with sediment shell 3, one side of bottom plate 1 is provided with mixing shell 4, through sediment shell 3, it is convenient to separate wastewater and impurities, one side of sediment shell 3 is communicated with drain pipe 5, one end of drain pipe 5 away from sediment shell 3 is communicated with mixing shell 4;

[0023] Water pipe 6 fixed in one side of mixing shell 4, one side of water pipe 6 is fixedly connected with filter shell 7, through filter shell 7, it is convenient to multiple filtration to wastewater, the inside of drain pipe 5 is provided with coarse filter screen 8.

[0024] The bottom of sediment shell 3 is communicated with blowdown pipe 9 through electromagnetic valve, through the setting of blowdown pipe 9, it is convenient to discharge the impurities of sediment, one side of the top of mixing shell 4 is provided with feed shell 10, one side of the top of feed shell 10 is hinged with cover plate 11, through cover plate 11, it is convenient to seal feed shell 10, prevent dust from falling, one side of sediment shell 3 is communicated with water inlet pipe 101.

[0025] The top of mixing shell 4 is fixedly connected with motor 12, the output end of motor 12 is fixedly connected with stirring rod 13, penetrating to the inside of mixing shell 4, through the opening of motor 12, stirring rod 13 can be rotated, to facilitate the mixing and stirring of the wastewater after rough filtration and the flocculating agent added, to facilitate subsequent filtration work, one side of filter shell 7 is fixedly connected with reinforcing plate 14, through the fixed connection of reinforcing plate 14 and mixing shell 4, the connection strength between filter shell 7 and mixing shell 4 can be improved, one side of reinforcing plate 14 is fixedly connected with mixing shell 4.

[0026] The top of the inner cavity of the filter shell 7 is inserted with a fine filter plate 15, through which the wastewater is conveniently filtered, and through the partition shell 16, the quartz sand 18 and the activated carbon 17 material are conveniently supported, and through the quartz sand 18 and the activated carbon 17, the filtering effect of the wastewater can be improved. The inner cavity of the filter shell 7 is fixedly connected with a plurality of partition shells 16, and the inner cavity of the filter shell 7 is provided with activated carbon 17 and quartz sand 18, respectively. One side of the filter shell 7 is fixedly connected with an extension plate 19, and the bottom of the extension plate 19 is fixedly connected with a spring 20. When the user needs to disassemble and maintain the fine filter plate 15, the pull block 22 can be pulled to drive the insertion rod 21 to move. At this time, the insertion rod 21 will extrude the spring 20, and at the same time, it will be separated from the inside of the fixed plate 23, so as to conveniently disassemble the fine filter plate 15. The bottom of the spring 20 is fixedly connected with the insertion rod 21, the top of the insertion rod 21 is fixedly connected with the pull block 22, and one side of the fine filter plate 15 is fixedly connected with the fixed plate 23 used in cooperation with the insertion rod 21.

[0027] Working principle: first, the wastewater can be poured into the inside of the sediment shell 3 through the water inlet pipe 101 for sedimentation, and the larger impurities will be deposited at the bottom of the shell. Then the wastewater will flow into the inside of the mixing shell 4 through the drain pipe 5. In this process, the wastewater will be filtered through the coarse filter screen 8 in the drain pipe 5. Then the feed shell 10 can be used to pour in the flocculating agent and other purification materials. Then the electromagnetic valve on the water inlet pipe 6 is opened. At this time, the wastewater will be filtered through the fine filter plate 15, the activated carbon 17 and the quartz sand 18 in the filter shell 7, and then discharged to the outside of the filter shell 7.

[0028] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, equivalent change and modification of the above embodiments, which does not depart from the technical solution of the present application, is still within the scope of the present application.

Claims

1. A filtering device for treating low-rank coal pyrolysis wastewater, comprising a bottom plate (1), characterized in that, Also include: Supporting leg (2) fixed to the bottom of the four corners of the bottom plate (1), the top of the bottom plate (1) is fixedly connected with the precipitation shell (3), one side of the bottom plate (1) is provided with a mixing shell (4), one side of the precipitation shell (3) is communicated with a drain pipe (5), and one end of the drain pipe (5) away from the precipitation shell (3) is communicated with the mixing shell (4); The water pipe (6) fixed to one side of the mixing shell (4), one side of the water pipe (6) is fixedly connected with the filter shell (7), and the inside of the drain pipe (5) is provided with a coarse filter screen (8).

2. The filtering device for treating low-rank coal pyrolysis wastewater according to claim 1, characterized in that: The bottom of the precipitation shell (3) is communicated with a blowdown pipe (9) through an electromagnetic valve, and one side of the top of the mixing shell (4) is provided with a feeding shell (10).

3. The filter device for treating low-rank coal pyrolysis wastewater according to claim 2, characterized in that: The top of one side of the feeding shell (10) is hinged with a cover plate (11), and one side of the precipitation shell (3) is communicated with a water inlet pipe (101).

4. The filter device for treating low-rank coal pyrolysis wastewater according to claim 1, characterized in that: The top of the mixing shell (4) is fixedly connected with a motor (12), and the output end of the motor (12) penetrates into the inside of the mixing shell (4) and is fixedly connected with a stirring rod (13).

5. The filter device for treating low-rank coal pyrolysis wastewater according to claim 1, characterized in that: One side of the filter shell (7) is fixedly connected with a reinforcing plate (14), and one side of the reinforcing plate (14) is fixedly connected with the mixing shell (4).

6. The filter device for treating low-rank coal pyrolysis wastewater according to claim 1, characterized in that: The top of the inner cavity of the filter shell (7) is inserted with a fine filter plate (15), a plurality of partition shells (16) are fixedly connected in the inner cavity of the filter shell (7), and the inner cavity of the filter shell (7) is respectively provided with activated carbon (17) and quartz sand (18).

7. The filter device for treating low-rank coal pyrolysis wastewater according to claim 6, characterized in that: One side of the filter shell (7) is fixedly connected with an extension plate (19), the bottom of the extension plate (19) is fixedly connected with a spring (20), the bottom of the spring (20) is fixedly connected with a plug rod (21), the top of the plug rod (21) is fixedly connected with a pull block (22), and one side of the fine filter plate (15) is fixedly connected with a fixed plate (23) matched with the plug rod (21).