Mine water treatment microfiltration device applied to double-membrane method

Abstract

The utility model discloses a mine water treatment microfiltration device applied to a double membrane method, which relates to the technical field of water treatment, and comprises an equipment main body, a treatment tank is arranged in the equipment main body, a microfiltration assembly is arranged in the treatment tank, the microfiltration assembly comprises an outer cylinder, a plurality of through holes are formed in the outer wall of the outer cylinder, and a plurality of through holes are formed in the outer wall of the outer cylinder. An inner barrel for filtering water is arranged in the outer barrel, a driving assembly for driving the inner barrel to rotate is arranged at one end of the inner barrel, a cleaning assembly is arranged above the outer barrel, a conveying assembly is arranged at the other end of the inner barrel, and the conveying assembly extends into the inner barrel. The problems that impurities generated in the cleaning process of an existing micro-filter are left inside and are inconvenient to discharge, the follow-up filtering effect is affected, when a filtering position is replaced, dismounting and mounting are inconvenient, and the length of a filtering device cannot be adjusted are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment, in particular to a microfiltration device for mine water treatment applied to the dual-membrane method. Background Technique

[0002] Coal mine mine water refers to all the water infiltrating into the underground excavation space during the coal mining process, and sometimes also contains a small amount of infiltrating surface water. Before the reverse osmosis membrane treatment by the dual-membrane method, since the mine water contains a large amount of large-particle impurities, a microfiltration device is required for pretreatment;

[0003] Publication No.: CN208512031U, named "A Drum Microfilter", includes a filter drum, a water inlet pipe, a backwashing device and a cleaning device. Multiple filter mesh sheets are used to replace the whole filter mesh. When a filter mesh sheet is damaged, it can be replaced targeted, effectively reducing the use cost. Moreover, the cleaning device can clean the substances attached to the inner side of the filter mesh sheet during the rolling process of the filter drum, avoiding the blockage of the filter mesh sheet. At the same time, the backwashing device can spray and wash the filter drum from the outside.

[0004] The impurities generated during the cleaning process of the existing microfilter will remain inside, which is more inconvenient to discharge, affecting the subsequent filtration effect. And when replacing the filtration part, the disassembly and assembly are more inconvenient, and the length of the filtration device cannot be adjusted either; Therefore, it does not meet the existing requirements, and a microfiltration device for mine water treatment applied to the dual-membrane method is proposed for this. Content of the Utility Model

[0005] The purpose of the utility model is to provide a microfiltration device for mine water treatment applied to the dual-membrane method, so as to solve the problems that the impurities generated during the cleaning process of the existing microfilter will remain inside, which is more inconvenient to discharge, affecting the subsequent filtration effect, and when replacing the filtration part, the disassembly and assembly are more inconvenient, and the length of the filtration device cannot be adjusted as mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A microfiltration device for mine water treatment applied to the dual-membrane method, including: a device main body, a treatment tank is arranged inside the device main body, a microfiltration component is arranged inside the treatment tank, the microfiltration component includes an outer cylinder body, a plurality of through holes are opened on the outer wall of the outer cylinder body, an inner cylinder body for filtering water body is arranged inside the outer cylinder body, a driving component for driving its rotation is arranged at one end of the inner cylinder body, a cleaning component is arranged above the outer cylinder body, a conveying component is arranged at the other end of the inner cylinder body, and the conveying component extends into the inner cylinder body. The conveying component includes an input pipe for inputting the water body and an output pipe for outputting the residue. A slag receiving tank is arranged above the output pipe, and a communication port is opened between the slag receiving tank and the output pipe.

[0007] Preferably, a guide plate inclined towards the communication port is provided on the inner wall of the slag receiving tank.

[0008] Preferably, a plurality of water outlets are arranged horizontally and spaced apart on the side wall of the input pipe.

[0009] Preferably, the inner cylinder includes a number of assembly seats. A plurality of card slots are annularly and spacedly arranged on the outer wall of the assembly seat. An assembly frame is arranged inside the card slot, and a filter membrane is arranged between the assembly frames.

[0010] Preferably, the driving assembly includes a driving motor. A first pulley is arranged at the output end of the driving motor. A second pulley is connected above the first pulley by a belt, and the second pulley is drivingly connected to the inner cylinder through a shaft rod.

[0011] Preferably, the cleaning assembly includes a spray rack, and a plurality of spray heads are spacedly arranged on the lower surface of the spray rack.

[0012] Preferably, a plurality of discharge ports are arranged on the outer wall of the treatment tank.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. The present utility model transports mine water to the inner cylinder through the input pipe. The water body contacts the filter membrane inside the inner cylinder. Large particle impurities in the water body are blocked at the filter membrane, and the water body passes through the holes of the filter membrane and falls downward into the treatment tank. During the treatment process, the driving assembly drives the inner cylinder to rotate, and the filter membranes on different surfaces are cyclically rotated to the lower bottom to ensure the filtering effect. After filtration, the cleaning assembly sprays the microfiltration assembly. The sprayed water enters the inner cylinder through the through holes of the outer cylinder, and the residue at the filter membrane is washed off into the output pipe by the spray impact force for sending out. During the spray cleaning process, the inner cylinder is rotated for comprehensive cleaning, solving the problem that impurities generated during the cleaning process of the microfilter remain inside, are inconvenient to discharge, and affect the subsequent filtering effect.

[0015] 2. Through the setting of the assembly seats, the assembly frames can be aligned and inserted into the card slots in a clamping manner, making the assembly very fast. Through this assembly method, users can conveniently extend and shorten the length of the cylinder according to needs. When disassembling, just pull it outwards, and one section of the filter membrane can be replaced according to needs, reducing the replacement cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a schematic diagram of the structure of the driving assembly of the present utility model;

[0018] Figure 3 Schematic diagram of the outer cylinder structure of the present utility model;

[0019] Figure 4 Schematic diagram of the inner cylinder structure of the present utility model;

[0020] Figure 5 Schematic diagram of the conveying component structure of the present utility model;

[0021] Figure 6 Schematic diagram of the assembly seat structure of the present utility model;

[0022] In the figure: 1, equipment main body; 101, treatment tank; 102, discharge port; 2, microfiltration component; 201, outer cylinder; 202, through hole; 203, inner cylinder; 204, filter membrane; 205, assembly seat; 206, assembly frame; 207, clamping groove; 3, drive component; 301, drive motor; 302, first pulley; 303, second pulley; 4, conveying component; 401, input pipe; 402, water outlet; 403, output pipe; 404, slag receiving tank; 405, communication port; 406, guide plate; 5, cleaning component; 501, spraying frame; 502, spraying head. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0024] Please refer to Figure 1 , Figure 3 , Figure 5 , an embodiment provided by the present utility model: A mine water treatment microfiltration device applied to the dual membrane method, including: an equipment main body 1, a treatment tank 101 is arranged inside the equipment main body 1, and a plurality of discharge ports 102 are arranged on the outer wall of the treatment tank 101. The microfiltered liquid is pumped through one discharge port 102 to the reverse osmosis membrane for filtration treatment, and the sewage falling during the cleaning process is sent into the recovery tank through another discharge port 102 through a pipeline for collection;

[0025] Inside the treatment tank 101, a microfiltration component 2 is provided. The microfiltration component 2 includes an outer cylinder 201. A number of through holes 202 are formed on the outer wall of the outer cylinder 201. An inner cylinder 203 is provided inside the outer cylinder 201. One end of the inner cylinder 203 is provided with a driving component 3 for driving its rotation. A cleaning component 5 is provided above the outer cylinder 201. The other end of the inner cylinder 203 is provided with a conveying component 4, and the conveying component 4 extends into the inner cylinder 203. The conveying component 4 includes an input pipe 401 for inputting water body and an output pipe 403 for outputting residues. Among them, above the output pipe 403, a slag receiving tank 404 is provided. A communication port 405 is formed between the slag receiving tank 404 and the output pipe 403. A guiding plate 406 inclined towards the communication port 405 is provided on the inner wall of the slag receiving tank 404. A plurality of water outlets 402 are arranged horizontally and at intervals on the side wall of the input pipe 401;

[0026] The mine water is conveyed into the inner cylinder 203 through the input pipe 401 and discharged through the plurality of water outlets 402. The water body contacts the filter membrane 204 inside the inner cylinder 203. Large particle impurities in the water body are blocked at the filter membrane 204, and the water body then passes through the holes of the filter membrane 204 and falls downward into the treatment tank 101. During the treatment process, the inner cylinder 203 is driven to rotate by the driving component 3, and the filter membrane 204 on different surfaces is cyclically rotated to the lower bottom to ensure the filtering effect. After filtration, the microfiltration component 2 is sprayed by the cleaning component 5. The sprayed water enters the inner cylinder 203 through the through holes 202 of the outer cylinder 201, and the residues at the filter membrane 204 are washed off into the output pipe 403 by the spraying impact force for sending out. During the spraying and cleaning process, the inner cylinder 203 is rotated for comprehensive cleaning;

[0027] Among them, through the setting of the slag receiving tank 404, the slag receiving area can be enlarged and the slag receiving effect can be improved. Through the setting of the guiding plate 406, it is used to guide the internal sprayed water and residues into the communication port 405 to improve the flow efficiency. Through the setting of the plurality of water outlets 402, the water body can be directly conveyed to different sections of the filter membrane 204 to improve the filtration efficiency.

[0028] Please refer to Figure 4 、 Figure 6 The inner cylinder 203 includes a number of assembly seats 205. A plurality of clamping grooves 207 are formed on the outer wall of the assembly seats 205 at annular intervals. An assembly frame 206 is provided inside the clamping grooves 207. A filter membrane 204 is provided between the assembly frames 206; Through the setting of the assembly seats 205, the assembly frame 206 can be aligned and inserted into the clamping grooves 207 in a clamping manner, making its assembly very fast. Through this assembly method, it is convenient for users to extend and shorten the length of the cylinder according to needs. When disassembling, just pull it outwards, and one section of the filter membrane 204 can be replaced according to needs, reducing the replacement cost.

[0029] See also Figure 2 The driving assembly 3 includes a driving motor 301, and a first pulley 302 is provided at the output end of the driving motor 301. A second pulley 303 is connected to the top of the first pulley 302 through a belt, and the second pulley 303 is connected to the inner cylinder 203 through a shaft rod; the driving motor 301 drives the first pulley 302 to rotate, and the first pulley 302 drives the second pulley 303 to rotate through the belt connection, and finally the inner cylinder 203 is driven to rotate through the second pulley 303 and the shaft rod, so that the inner cylinder 203 can rotate to replace the filter surface, and rotate to clean different filter surfaces during cleaning.

[0030] See also Figure 1 The cleaning component 5 includes a spray rack 501, and a plurality of spray heads 502 are arranged at intervals on the lower surface of the spray rack 501; the spray rack 501 is used to connect to an external water supply device (not shown in the figure), and water is sprayed from top to bottom through the spray heads 502. The water passes through the through hole 202 of the outer cylinder 201 and enters the inner cylinder 203 to rinse the residue at the filter membrane 204.

[0031] Working principle: when in use, the mine water is transported to the inner cylinder 203 through the input pipe 401, and discharged through multiple water outlets 402. The water body contacts the filter membrane 204 in the inner cylinder 203, and the large particles of impurities in the water body are blocked at the filter membrane 204. The water body passes through the holes of the filter membrane 204 and falls downward into the treatment tank 101. During the treatment process, the first pulley 302 is driven to rotate by the driving motor 301, and the second pulley 303 is driven to rotate by the connection of the belt. Finally, the inner cylinder 203 is driven to rotate by the second pulley 303 and the shaft rod, so that the inner cylinder 203 can rotate to replace the filter surface. After filtering, the microfiltration component 2 is sprayed by the cleaning component 5, and the spray water enters the inner cylinder 203 through the through hole 202 of the outer cylinder 201, and the residue at the filter membrane 204 is washed down into the output pipe 403 by the impact force of the spraying for delivery.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A microfiltration device for mine water treatment applied to the dual-membrane method, comprising a device main body (1), wherein a treatment tank (101) is arranged inside the device main body (1), and is characterized in that: A microfiltration component (2) is arranged inside the treatment tank (101), and the microfiltration component (2) comprises an outer cylinder (201), and a plurality of through holes (202) are provided on the outer wall of the outer cylinder (201); an inner cylinder (203) for filtering water is arranged inside the outer cylinder (201); a driving component (3) for driving the inner cylinder (203) to rotate is arranged at one end of the inner cylinder (203); a cleaning component (5) is arranged above the outer cylinder (201); a conveying component (4) is arranged at the other end of the inner cylinder (203), and the conveying component (4) extends into the inner cylinder (203); the conveying component (4) comprises an input pipe (401) for inputting water and an output pipe (403) for outputting residue; a slag receiving groove (404) is arranged above the output pipe (403), and a connecting port (405) is arranged between the slag receiving groove (404) and the output pipe (403).

2. The microfiltration device for mine water treatment applied to the dual-membrane method according to claim 1, wherein: A guide plate (406) inclined toward the communication opening (405) is provided on the inner wall of the slag receiving groove (404).

3. The microfiltration device for mine water treatment applied to the dual-membrane method according to claim 1, characterized in that: A plurality of water outlets (402) are arranged on the side wall of the input pipe (401) in a transversely spaced arrangement.

4. The microfiltration device for mine water treatment applied to the dual-membrane method according to claim 1, characterized in that: The inner cylinder (203) comprises a plurality of assembly seats (205), a plurality of slots (207) are arranged on the outer wall of the assembly seat (205) at intervals in an annular shape, an assembly rack (206) is arranged inside the slot (207), and a filter membrane (204) is arranged between the assembly racks (206).

5. The microfiltration device for mine water treatment applied to the dual-membrane method according to claim 1, characterized in that: The driving assembly (3) comprises a driving motor (301), the output end of the driving motor (301) is provided with a first pulley (302), the upper part of the first pulley (302) is connected to a second pulley (303) via a belt, and the second pulley (303) is transmission-connected to the inner cylinder (203) via a shaft.

6. The microfiltration device for mine water treatment applied to the dual-membrane method according to claim 1, wherein: The cleaning assembly (5) comprises a spray rack (501), and a plurality of spray heads (502) are arranged at intervals on the lower surface of the spray rack (501).

7. A mine water treatment microfiltration device applied to the dual-membrane method according to claim 1, characterized in that: A plurality of discharge ports (102) are arranged on the outer wall of the treatment tank (101).

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