CN112320996A

CN112320996A - Mine water advanced treatment system

Info

Publication number: CN112320996A
Application number: CN202010969458.3A
Authority: CN
Inventors: 王世海; 胡广华; 王世禄
Original assignee: Jiangsu Keheng Water Treatment Engineering Co ltd
Current assignee: Jiangsu Keheng Water Treatment Engineering Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-02-05

Abstract

The invention provides a mine water advanced treatment system which comprises an adjusting tank, an aeration tank, an integrated water purifier, an intermediate water tank and a clean water tank, wherein the adjusting tank, the aeration tank, the integrated water purifier, the intermediate water tank and the clean water tank are sequentially connected through pipelines, the mine water advanced treatment system also comprises a bag filter, an activated carbon filter, a security filter and an ultrafiltration device which are sequentially connected through pipelines, the bag filter is connected with the clean water tank through a pipeline, the ultrafiltration device is connected with a cleaning water tank and an ultrafiltration backwashing water tank through pipelines, and the cleaning water tank and the ultrafiltration backwashing water tank are used for cleaning the ultrafiltration device. The invention has the advantages of simple operation, stable operation, low investment, full-automatic operation of equipment, simple maintenance and stable water production, and is suitable for mine water which is rich in various ions and has higher turbidity. The ultra-filtration device has the advantages that the ultra-filtration can be carried out on mine water, and the ultra-filtration membrane can be rapidly cleaned by the cleaning assembly, so that the ultra-filtration device is convenient to clean, good in using effect and long in service life.

Description

Mine water advanced treatment system

Technical Field

The invention relates to the field of water treatment, in particular to a mine water advanced treatment system.

Background

In the coal mining process, underground water is in contact with a coal bed and a rock stratum and is subjected to a series of physical, chemical and biochemical reactions under the influence of human activities, so that the water quality has the obvious characteristics of the coal industry that the content of suspended matters in mine water containing the suspended matters is far higher than that of surface water, and the sensory properties are poor; the particle size of the contained suspended matters is small, the specific gravity is light, the sedimentation speed is slow, and the coagulation effect is poor; the mine water also contains organic pollutants such as waste engine oil, emulsified oil and the like. Mine water contains much higher total ion content than normal surface water and a large portion is sulfate ions. The pH value of the mine water is usually extremely low, and a large amount of ferrous ions are often accompanied, so that the treatment difficulty is increased.

The ultrafiltration membrane is a microporous filtration membrane with consistent pore size specification and the rated pore size range of less than 0.01 micron. Solute molecules smaller than the pore diameter can be screened out by applying proper pressure to one side of the membrane so as to separate particles with the molecular weight larger than 500 daltons (atomic mass unit) and the particle diameter larger than 10 nanometers, the membrane is used for separating, concentrating and purifying biological products, medical products and food industry, the membrane has a plurality of applications in mine water treatment, the existing ultrafiltration device has high cleaning difficulty, the filtration effect is poor after long-time use, the membrane is frequently required to be replaced, and the use cost is increased.

Disclosure of Invention

The invention aims to provide a mine water advanced treatment system which can carry out advanced purification treatment on mine water and provides a novel ultrafiltration device which has the characteristics of convenience in cleaning, good use effect and long service life.

In order to achieve the above purpose, the invention provides the following technical scheme: a mine water advanced treatment system comprises an adjusting tank, an aeration tank, an integrated water purifier, an intermediate water tank and a clean water tank, wherein the adjusting tank, the aeration tank, the integrated water purifier, the intermediate water tank and the clean water tank are sequentially connected through a pipeline;

the ultrafiltration device comprises a filtering component and a cleaning component, wherein the filtering component is used for filtering mine water, and the cleaning component is used for cleaning the filtering component.

Further, in the present invention, PAM and PAC are added to the aeration tank.

Further, in the invention, a reflux pump is arranged in the clean water tank, and the mine water in the clean water tank flows back to the underground for reuse through the reflux pump.

Further, in the invention, the filtering component comprises an ultrafiltration box, a first ultrafiltration membrane and a second ultrafiltration membrane are arranged in the ultrafiltration box, the cleaning component comprises a high-pressure cleaning pump, the high-pressure cleaning pump is arranged at the top of the ultrafiltration box, and the high-pressure cleaning pump is used for cleaning the first ultrafiltration membrane and the second ultrafiltration membrane;

the cleaning assembly further comprises a base, the bottom of the base is fixedly connected to the bottom of the inner cavity of the ultrafiltration box, a first lifting rod is arranged at the top of the base, a second lifting rod is fixedly connected to the top of the first lifting rod, a connecting seat is rotated at the top of the second lifting rod, a first movable rod is rotatably connected to the top of the connecting seat through a rotating shaft, a second movable rod is rotatably connected to the first movable rod through a rotating shaft, the bottom of the second movable rod is in contact with the base, a first rotating sleeve is fixedly connected to the second movable rod and sleeved on the second lifting rod, a gap is formed between the first rotating sleeve and the second lifting rod, and a first sector gear is fixedly connected to the first rotating sleeve;

the first lifting rod is provided with a guide groove, the first lifting rod is sleeved with a second rotary sleeve, a gap is formed between the second rotary sleeve and the first lifting rod, the inner wall of the second rotary sleeve is fixedly connected with a guide rod, one end, away from the second rotary sleeve, of the guide rod extends to the guide groove, a limiting groove is formed in the second movable rod, the second rotary sleeve can rotate in the limiting groove, the guide rod moves in the groove of the guide groove when the first lifting rod is lifted, the first lifting rod drives the second rotary sleeve to rotate through the guide rod when the first lifting rod is lifted, and the second rotary sleeve is fixedly connected with a second sector gear;

all having meshed the rack on first sector gear and the second sector gear, fixedly connected with movable block on the rack, the through-hole has been seted up on the ultrafiltration case, the movable block runs through to ultrafiltration incasement and fixedly connected with brush board, the bottom of brush board is provided with the cleaning brush, the cleaning brush is used for wasing first milipore filter and second milipore filter.

Further, in the invention, the ultrafiltration box is communicated with a drain pipe, and a control valve is arranged on the drain pipe.

Further, in the invention, a water outlet of the high-pressure cleaning pump is communicated with a cleaning pipe, and the cleaning pipe penetrates into the ultrafiltration tank and is communicated with a water mist spray head.

Further, in the invention, a handle is fixedly connected to an end of the first movable rod, and anti-skid grains are arranged on the handle.

Further, in the invention, the cleaning water tank is filled with liquid medicine and the ultrafiltration device is cleaned by the cleaning water pump, the liquid outlet end of the cleaning water pump is communicated with the ultrafiltration tank through a pipeline, the ultrafiltration tank is communicated with the air pump, the air pump adds compressed air into the ultrafiltration tank, and the ultrafiltration tank is pressurized by the air pump.

Further, in the invention, part of mine water in the ultrafiltration device flows back to the ultrafiltration backwashing water tank, the backwashing water pump is arranged on the ultrafiltration backwashing water tank, and the first ultrafiltration membrane and the second ultrafiltration membrane in the ultrafiltration tank are cleaned by the backwashing water pump.

Further, in the present invention, through holes are formed in the first sector gear and the second sector gear.

The beneficial effects are that the technical scheme of this application possesses following technological effect: 1. the method has the advantages of simple operation, stable operation, low investment, full-automatic operation of equipment, simple maintenance and stable water production, and is suitable for mine water which is rich in various ions and has higher turbidity;

2. according to the invention, through the arrangement of the filtering component and the cleaning component, the mine water can be subjected to ultrafiltration, and the cleaning component can rapidly clean the ultrafiltration membrane, so that the mine water ultrafiltration membrane cleaning device has the characteristics of convenience in cleaning, good use effect and long service life.

It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of this disclosure unless such concepts are mutually inconsistent.

The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of specific embodiments in accordance with the teachings of the present invention.

Drawings

The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic view of the ultrafiltration device of the present invention.

FIG. 3 is a schematic cross-sectional view of the ultrafiltration device of the present invention.

FIG. 4 is a schematic view of a partial structure of an ultrafiltration device according to the present invention.

Fig. 5 is an enlarged view of a portion of a in fig. 2 according to the present invention.

In the figures, the meaning of the reference numerals is as follows: 1. a regulating tank; 2. an aeration tank; 3. an integrated water purifier; 4. a middle water tank; 5. a clean water tank; 6. a bag filter; 7. an activated carbon filter; 8. a cartridge filter; 9. an ultrafiltration device; 10. cleaning the water tank; 11. an ultrafiltration backwash water tank; 901. an ultrafiltration tank; 902. a first ultrafiltration membrane; 903. a second ultrafiltration membrane; 904. a high pressure cleaning pump; 905. a base; 906. a first lifting rod; 907. a second lifting rod; 908. a first movable bar; 909. a handle; 910. a second movable bar; 911. a first rotating sleeve; 912. a first sector gear; 913. a guide groove; 914. a guide bar; 915. a second rotating sleeve; 916. a second sector gear; 917. a rack; 918. a through hole; 919. a movable block; 920. brushing the board; 921. a cleaning brush.

Detailed Description

In order to better understand the technical content of the present invention, specific embodiments are described below with reference to the accompanying drawings. In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any one implementation. In addition, some aspects of the present disclosure may be used alone, or in any suitable combination with other aspects of the present disclosure.

The utility model provides a mine water advanced treatment system, includes equalizing basin 1, aeration tank 2, integration water purifier 3, middle pond 4 and clean water basin 5, and equalizing basin 1, aeration tank 2, integration water purifier 3, middle pond 4 and clean water basin 5 connect gradually through the pipeline, in this embodiment, add PAM and PAC in the aeration tank 2, in this embodiment, be provided with the backwash pump in the clean water basin 5, the mine water in the clean water basin 5 passes through the backwash pump backward flow and reuses in the pit. The device is characterized by further comprising a bag filter 6, an activated carbon filter 7, a security filter 8 and an ultrafiltration device 9, wherein the bag filter 6, the activated carbon filter 7, the security filter 8 and the ultrafiltration device 9 are sequentially connected through pipelines, the bag filter 6 is connected with the clean water tank 5 through a pipeline, and the ultrafiltration device 9 is connected with a cleaning water tank 10 and an ultrafiltration backwashing water tank 11 through pipelines.

When the mine water purifier is used, mine water is pumped to the regulating tank 1 through a pump to regulate the pH value, then flows into the aeration tank 2 through a pipeline, PAM and PAC are added, the mine water enters the integrated water purifier 3 through the pipeline after being aerated for a period of time to be purified, the mine water enters the intermediate water tank 4 through the pipeline after being purified, then enters the clean water tank 5 through the pipeline, and part of water can be pumped to the underground for recycling.

Part of the mine water after treatment can be subjected to advanced treatment, and sequentially passes through a bag filter 6, an activated carbon filter 7, a security filter 8 and an ultrafiltration device 9 through pipelines, wherein a cleaning water tank 10 and an ultrafiltration backwashing water tank 11 are used for deeply cleaning the ultrafiltration device 9, so that the using effect of the ultrafiltration device 9 is improved, the service life of the ultrafiltration device 9 is prolonged, and the ultrafiltration device 9 is structurally designed as follows for further improving the using effect and the service life of the ultrafiltration device 9.

Specifically, the ultrafiltration device 9 includes a filter assembly for filtering the mine water and a cleaning assembly for cleaning the filter assembly.

In this embodiment, filtering component includes ultrafiltration case 901, and in this embodiment, ultrafiltration case 901 intercommunication has the drain pipe, is provided with the control valve on the drain pipe, and the drain pipe is used for the drainage, is provided with first milipore filter 902 and second milipore filter 903 in the ultrafiltration case 901, and cleaning component includes high-pressure cleaning pump 904, and the delivery port intercommunication of this embodiment high-pressure cleaning pump 904 has the scavenge pipe, and the scavenge pipe runs through to the intercommunication in ultrafiltration case 901 has the water mist shower nozzle, further increases abluent effect. A high pressure washing pump 904 is installed on the top of the ultrafiltration tank 901, and the high pressure washing pump 904 is used to wash the first ultrafiltration membrane 902 and the second ultrafiltration membrane 903.

The cleaning assembly further comprises a base 905, the bottom of the base 905 is fixedly connected to the bottom of the inner cavity of the ultrafiltration box 901, a first lifting rod 906 is arranged at the top of the base 905, the first lifting rod 906 is not connected with the base 905, a second lifting rod 907 is fixedly connected to the top of the first lifting rod 906, a connecting seat is rotated at the top of the second lifting rod 907, a first movable rod 908 is rotatably connected to the top of the connecting seat through a rotating shaft, a second movable rod 910 is rotatably connected to the first movable rod 908 through a rotating shaft, the bottom of the second movable rod 910 is in contact with the base 905, a first rotary sleeve 911 is fixedly connected to the second movable rod 910, a first rotary sleeve 911 is sleeved on the second lifting rod 907, a gap is reserved between the first rotary sleeve 911 and the second lifting rod 907, and a first sector gear 912 is fixedly connected to the first rotary sleeve 911. In order to facilitate the user to rotate the first movable rod 908, a handle 909 is fixedly connected to an end of the first movable rod 908, and the handle 909 is provided with anti-slip threads.

Seted up guide way 913 on first lifter 906, the cover is equipped with the rotatory cover of second 915 on the first lifter 906, has the space between rotatory cover of second 915 and first lifter 906, and the inner wall fixedly connected with guide bar 914 of the rotatory cover of second 915 uses through the cooperation of guide way 913 and guide bar 914, can convert 906's lift rectilinear motion into rotary motion.

One end of the guide rod 914, which is far away from the second rotating sleeve 915, extends to the guide groove 913, a limit groove is arranged on the second movable rod 910, the second rotating sleeve 915 can rotate in the limit groove, when the first lifting rod 906 is lifted, the guide rod 914 moves in the groove of the guide groove 913, the first lifting rod 906 is lifted to drive the second rotating sleeve 915 to rotate through the guide rod 914, and a second sector gear 916 is fixedly connected to the second rotating sleeve 915;

racks 917 are meshed with the first sector gear 912 and the second sector gear 916 respectively, a movable block 919 is fixedly connected to the racks 917, a through hole 918 is formed in the ultrafiltration box 901, the movable block 919 penetrates into the ultrafiltration box 901 through the through hole 918 and is fixedly connected with a brush plate 920, a cleaning brush 921 is arranged at the bottom of the brush plate 920, and the cleaning brush 921 is used for cleaning the first ultrafiltration membrane 902 and the second ultrafiltration membrane 903.

When the filtering assembly and the cleaning assembly are used, mine water is filtered through the first ultrafiltration membrane 902 and the second ultrafiltration membrane 903, when the first ultrafiltration membrane 902 and the second ultrafiltration membrane 903 need to be cleaned, the high-pressure cleaning pump 904 is started to clean the first ultrafiltration membrane 902 and the second ultrafiltration membrane 903, the first movable rod 908 is rotated left and right at first, the handle 909 can also be rotated, the first movable rod 908 drives the second movable rod 910 to rotate, the first movable rod 908 is rotatably connected with the connecting seat, the connecting seat is driven by the first movable rod 908 to rotate, so the second lifting rod 907 cannot rotate, the connecting seat rotates at the top of the second lifting rod 907, the second movable rod 910 drives the first rotary sleeve 911 to rotate on the second lifting rod 907, the first rotary sleeve 911 is not in contact with the second lifting rod 907, the second lifting rod 907 cannot rotate, the first rotary sleeve 911 drives the first sector gear 912 to rotate, the first sector gear 912 drives the rack 917 to swing, and the rack 917 drives the brush plate 920 and the cleaning brush 921 to swing through the movable block 919, so that the cleaning brush 921 cleans the first ultrafiltration membrane 902.

After the first ultrafiltration membrane 902 is cleaned for a period of time, the first movable rod 908 swings up and down, because the first movable rod 908 is rotatably connected with the second movable rod 910, the second movable rod 910 provides a fulcrum, the first movable rod 908 is equivalent to a lever, one end of the first movable rod 908 moves up and down, the other end of the first movable rod 908 drives the second lifting rod 907 to move up and down, at this time, the bottom of the second movable rod 910 is contacted with the base 905, the second movable rod 910 does not move, the second lifting rod 907 moves up and down to drive the first lifting rod 906 to move up and down, because the second lifting rod 907 is provided with a guide groove 913, the first lifting rod 906 drives the guide rod 914 to rotate, the guide rod 914 moves along the groove track of the guide groove 913, the guide rod 914 drives the second rotary sleeve 915 to rotate on the first lifting rod 906, the second rotary sleeve 915 is limited by the limiting groove, so as to ensure that the second rotary sleeve 915 can rotate stably, the second rotary sleeve 915 drives the second sector gear 916 to rotate, the second sector gear 916 rotates to drive the rack 917 to rotate, and the rack 917 drives the brush plate 920 and the cleaning brush 921 to swing through the movable block 919, so that the cleaning brush 921 cleans the second ultrafiltration membrane 903.

In order to wash cleaner in this embodiment, add the liquid medicine and wash ultrafiltration device 9 through the washing water pump in washing water tank 10, the play liquid end of washing water pump passes through the pipeline and communicates with ultrafiltration case 901, ultrafiltration case 901 intercommunication has the air pump, the air pump adds compressed air to ultrafiltration case 901 in, carry out the pressure boost in to ultrafiltration case 901 through the air pump, and then guarantee the cleaning performance to first milipore filter 902 and second milipore filter 903, make first milipore filter 902 and second milipore filter 903 have better filtering action.

In this embodiment, part of mine water in the ultrafiltration device 9 flows back into the ultrafiltration backwashing water tank 11, a backwashing water pump is arranged on the ultrafiltration backwashing water tank 11, and the first ultrafiltration membrane 902 and the second ultrafiltration membrane 903 in the ultrafiltration tank 901 are cleaned by the backwashing water pump.

In this embodiment, the first sector gear 912 and the second sector gear 916 are provided with through holes, so as to reduce the use cost of the first sector gear 912 and the second sector gear 916.

In conclusion, the method has the advantages of simple operation, stable operation, low investment, full-automatic operation of equipment, simple maintenance and stable water production, and is suitable for mine water which is rich in various ions and has higher turbidity. According to the invention, through the arrangement of the filtering component and the cleaning component, the mine water can be subjected to ultrafiltration, and the cleaning component can rapidly clean the ultrafiltration membrane, so that the mine water ultrafiltration membrane cleaning device has the characteristics of convenience in cleaning, good use effect and long service life.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be determined by the appended claims.

Claims

1. The utility model provides a mine water advanced treatment system, includes equalizing basin (1), aeration tank (2), integration water purifier (3), middle pond (4) and clean water basin (5), equalizing basin (1), aeration tank (2), integration water purifier (3), middle pond (4) and clean water basin (5) connect gradually its characterized in that through the pipeline: the device is characterized by further comprising a bag filter (6), an activated carbon filter (7), a security filter (8) and an ultrafiltration device (9), wherein the bag filter (6), the activated carbon filter (7), the security filter (8) and the ultrafiltration device (9) are sequentially connected through a pipeline, the bag filter (6) is connected with a clean water tank (5) through a pipeline, the ultrafiltration device (9) is connected with a cleaning water tank (10) and an ultrafiltration backwashing water tank (11) through a pipeline, and the cleaning water tank (10) and the ultrafiltration backwashing water tank (11) are used for cleaning the ultrafiltration device (9);

the ultrafiltration device (9) comprises a filtering component and a cleaning component, wherein the filtering component is used for filtering mine water, and the cleaning component is used for cleaning the filtering component.

2. The mine water advanced treatment system according to claim 1, characterized in that: PAM and PAC are added into the aeration tank (2).

3. The mine water advanced treatment system according to claim 1, characterized in that: and a reflux pump is arranged in the clean water tank (5), and the mine water in the clean water tank (5) flows back to the underground for reuse through the reflux pump.

4. The mine water advanced treatment system according to claim 1, characterized in that: the filter assembly comprises an ultrafiltration box (901), a first ultrafiltration membrane (902) and a second ultrafiltration membrane (903) are arranged in the ultrafiltration box (901), the cleaning assembly comprises a high-pressure cleaning pump (904), the high-pressure cleaning pump (904) is installed at the top of the ultrafiltration box (901), and the high-pressure cleaning pump (904) is used for cleaning the first ultrafiltration membrane (902) and the second ultrafiltration membrane (903);

the cleaning assembly further comprises a base (905), the bottom of the base (905) is fixedly connected to the bottom of the inner cavity of the ultrafiltration box (901), a first lifting rod (906) is arranged at the top of the base (905), a second lifting rod (907) is fixedly connected to the top of the first lifting rod (906), a connecting seat is rotatably arranged at the top of the second lifting rod (907), the top of the connecting seat is rotatably connected with a first movable rod (908) through a rotating shaft, the first movable rod (908) is rotatably connected with a second movable rod (910) through a rotating shaft, the bottom of the second movable rod (910) is in contact with the base (905), a first rotating sleeve (911) is fixedly connected to the second movable rod (910), the first rotating sleeve (911) is sleeved on the second lifting rod (907), and a gap is formed between the first rotating sleeve (911) and the second lifting rod (907), a first sector gear (912) is fixedly connected to the first rotating sleeve (911);

a guide groove (913) is formed in the first lifting rod (906), a second rotating sleeve (915) is sleeved on the first lifting rod (906), a gap is arranged between the second rotating sleeve (915) and the first lifting rod (906), a guide rod (914) is fixedly connected with the inner wall of the second rotating sleeve (915), one end of the guide rod (914) far away from the second rotating sleeve (915) extends to the guide groove (913), the second movable rod (910) is provided with a limit groove, the second rotating sleeve (915) can rotate in the limit groove, when the first lifting rod (906) is lifted, the guide rod (914) moves in a guide groove (913), the first lifting rod (906) is lifted and driven to rotate the second rotating sleeve (915) through the guide rod (914), a second sector gear (916) is fixedly connected to the second rotating sleeve (915);

racks (917) are meshed with the first sector gear (912) and the second sector gear (916), a movable block (919) is fixedly connected to the racks (917), a through hole (918) is formed in the ultrafiltration tank (901), the movable block (919) penetrates into the ultrafiltration tank (901) and is fixedly connected with a brush plate (920), a cleaning brush (921) is arranged at the bottom of the brush plate (920), and the cleaning brush (921) is used for cleaning the first ultrafiltration membrane (902) and the second ultrafiltration membrane (903).

5. The mine water advanced treatment system according to claim 4, characterized in that: the ultrafiltration box (901) is communicated with a drain pipe, and a control valve is arranged on the drain pipe.

6. The mine water advanced treatment system according to claim 1, characterized in that: the water outlet of the high-pressure cleaning pump (904) is communicated with a cleaning pipe, and the cleaning pipe penetrates into the ultrafiltration tank (901) and is communicated with a water mist spray head.

7. The mine water advanced treatment system according to claim 4, characterized in that: a handle (909) is fixedly connected to the end of the first movable rod (908), and anti-skid grains are arranged on the handle (909).

8. The mine water advanced treatment system according to claim 4, characterized in that: the cleaning device is characterized in that liquid medicine is added into the cleaning water tank (10), the ultrafiltration device (9) is cleaned through a cleaning water pump, the liquid outlet end of the cleaning water pump is communicated with the ultrafiltration tank (901) through a pipeline, the ultrafiltration tank (901) is communicated with an air pump, the air pump adds compressed air into the ultrafiltration tank (901), and the ultrafiltration tank (901) is pressurized through the air pump.

9. The mine water advanced treatment system according to claim 8, characterized in that: part of mine water in the ultrafiltration device (9) flows back into the ultrafiltration backwashing water tank (11), a backwashing water pump is arranged on the ultrafiltration backwashing water tank (11), and a first ultrafiltration membrane (902) and a second ultrafiltration membrane (903) in the ultrafiltration tank (901) are cleaned through the backwashing water pump.

10. The mine water advanced treatment system according to claim 9, characterized in that: the first sector gear (912) and the second sector gear (916) are provided with through holes.