CN116621365B - A mine water treatment system for underground coal mines - Google Patents

A mine water treatment system for underground coal mines

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Publication number
CN116621365B
CN116621365B CN202310492955.2A CN202310492955A CN116621365B CN 116621365 B CN116621365 B CN 116621365B CN 202310492955 A CN202310492955 A CN 202310492955A CN 116621365 B CN116621365 B CN 116621365B
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CN
China
Prior art keywords
pipe
filter
sewage
filtering
cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202310492955.2A
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Chinese (zh)
Other versions
CN116621365A (en
Inventor
王档良
李剑峰
刘锞锐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Mining Business Group Co ltd
China University of Mining and Technology Beijing CUMTB
Original Assignee
Xuzhou Mining Business Group Co ltd
China University of Mining and Technology Beijing CUMTB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Xuzhou Mining Business Group Co ltd, China University of Mining and Technology Beijing CUMTB filed Critical Xuzhou Mining Business Group Co ltd
Priority to CN202310492955.2A priority Critical patent/CN116621365B/en
Publication of CN116621365A publication Critical patent/CN116621365A/en
Application granted granted Critical
Publication of CN116621365B publication Critical patent/CN116621365B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281—Installations for water purification using chemical agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention provides a mine water treatment system for underground coal mines, which comprises a sewage bin, a water purifying bin, a sedimentation tank, a sludge bin, a dosing device, a sludge treatment unit and a filtering unit, wherein the filtering unit comprises a cylinder body, a cylinder cover and a filtering assembly, the inside of the cylinder body is transversely divided into a sewage collecting cavity, a filtering cavity and a water purifying cavity, the filtering assembly comprises a filtering net cover, an aeration pipe and a filtering material, the sewage is subjected to multistage filtering treatment through the cooperation of a plurality of layers of filtering units arranged up and down, so that flocculates, particles and colloid in the sewage are more thoroughly filtered, the filtering effect is good, the filtering material is simultaneously washed in the vertical direction and the lateral direction of the filtering net cover, the backwashing cleaning effect is further improved, the air is conveyed to the filtering material through the aeration pipe, the particles are stirred, the gaps between adjacent filtering material particles are enlarged, and pollutants among the filtering material particles are more thoroughly cleaned.

Description

Mine water treatment system for underground coal mine
Technical Field
The invention relates to the technical field of mine water treatment, in particular to a mine water treatment system for underground coal mines.
Background
When mine water is treated, flocculant and coagulant aid are generally required to be added into the mine water, so that suspended matters, particles and colloid in the mine water form flocculates, the flocculates are further separated from water body in a settling mode, and the settled mine water is filtered through a multi-medium filter to obtain clean water body. The multi-media filter filters the water through its inside multilayer filter material that sets up, and after long-time use, the flocculation thing content in the filter material increases, influences the circulation efficiency of water, and then influences the filter effect, needs to regularly change the filter material, and the filter material consumption is big, and changes the filter material comparatively troublesome, influences the normal clear of mine water treatment work.
The invention discloses a Chinese patent with publication number of CN103787528A, which discloses a coal mine underground movable mine water treatment system, comprising a raw water storage bin, a water purification bin, a movable tubular membrane treatment mechanism and a movable sludge treatment system which are positioned underground the coal mine, wherein the raw water storage bin is connected with an inlet of the movable tubular membrane treatment mechanism through a raw water inlet pipe, a purified water outlet of the movable tubular membrane treatment mechanism is connected with the purified water bin through a purified water outlet pipe, and a concentrated water outlet of the movable tubular membrane treatment mechanism is connected with an inlet of the movable sludge treatment system through a concentrated muddy water outlet pipe. According to the mine water treatment system, sewage is filtered through the tubular membrane component of the movable tubular membrane treatment mechanism, the filtering effect and the efficiency are poor, when the tubular membrane component is backwashed through the backwashing mechanism, the tubular membrane component is flushed by water flow of the backwashing mechanism from a single direction, pollutants on the tubular membrane component cannot be thoroughly cleaned, and the backwashing effect is poor.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a mine water treatment system for a coal mine, which improves the backwashing effect of a filter unit in the treatment system, prolongs the filter material replacement period and ensures that the filter unit maintains high-quality treatment effect.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a mine water treatment system for underground coal mines comprises a sewage bin, a water purifying bin, a sedimentation tank, a sludge bin, a dosing device, a sludge treatment unit and a filtering unit; the sewage bin, the sedimentation tank, the filtering unit and the water purifying bin are sequentially communicated through pipelines, the dosing device is communicated with the pipelines between the sewage bin and the sedimentation tank, the sludge treatment unit is respectively communicated with the filtering unit, the sewage bin and the sludge bin through the pipelines, the filtering unit comprises a cylinder body, a cylinder cover and a filtering component, the cylinder cover is connected to the top of the cylinder body through bolts, an annular flow guide cavity is arranged on the cylinder body, an annular air guide pipe is arranged in the flow guide cavity, the annular air guide pipe is fixedly connected with the cylinder body, the inside of the cylinder body is transversely divided into a sewage collecting cavity, a filtering cavity and a water purifying cavity, the water purifying cavity is arranged above the filtering cavity, the sewage collecting cavity is arranged below the filtering cavity, the filtering component is arranged in the filtering cavity, the cylinder cover is provided with a water purifying pipe communicated with the water purifying cavity, the cylinder body is provided with an air inlet pipe, a sewage pipe and a sludge pipe communicated with the sewage collecting cavity, the air inlet pipe is arranged on the cylinder body, the air inlet pipe is communicated with the annular air guide pipe is arranged at the bottom end of the cylinder body, the sewage pipe is arranged at the side surface of the cylinder body, the filtering component is provided with a plurality of groups, the filtering component comprises filtering material and filtering mesh and the air guide pipe, the air guide pipe is fixedly connected with the cylinder body, the annular air guide pipe is fixedly arranged with the cylinder body, the inner wall is transversely separated into the sewage collecting cavity and the sewage cavity is provided with the first air guide hole is tightly arranged on the cylinder body and the cylinder body is provided with the cylinder body, and the first air guide pipe is provided with the air guide hole and the second air guide pipe is communicated with the first air hole and the air guide hole is arranged, the first diversion hole is communicated with the diversion cavity through the second diversion hole; the aeration pipe is horizontally arranged in the filter screen cover, one end of the aeration pipe penetrates through the first air hole and is communicated with the second air hole, a plurality of air outlets are densely distributed on the aeration pipe, filter materials are filled in the filter screen cover, the particle diameters of the filter materials in a plurality of groups of filter assemblies are gradually reduced from bottom to top, a permeable assembly is arranged at the upper part of the topmost filter screen cover, the permeable assembly comprises a circular ring and a permeable membrane, the permeable membrane is arranged in the circular ring and is fixedly connected with the inner wall of the circular ring, the outer wall of the circular ring is tightly attached to the inner wall of the cylinder body, the bottom end of the cylinder cover is abutted to the upper end of the circular ring, a third diversion hole is arranged on the cylinder body and is positioned above the permeable assembly, the third diversion hole is communicated with the diversion cavity and the water purification cavity, a first one-way valve is arranged in the third diversion hole, the water purification pipe is communicated with the water purification bin, the air inlet pipe is connected with the air pump, the sewage pipe is communicated with the sedimentation tank, and the sludge treatment unit is communicated with the sludge treatment unit.
Preferably, the chlorine dioxide generator is fixedly arranged in the cylinder cover.
Preferably, solenoid valves are respectively arranged on the water purifying pipe, the air inlet pipe, the sewage pipe and the sludge pipe.
The filter screen is preferably cylindrical, an opening is formed in the top of the filter screen, a plurality of aeration pipes are arranged, the aeration pipes are distributed in a circumferential array with the axis of the filter screen as the center, and the air outlet holes are formed below the aeration pipes.
Preferably, the filter assembly further comprises a positioning seat; the positioning seat comprises a stand column and a housing, wherein the bottom of the housing is provided with an opening, the upper part of the housing is provided with a plurality of circular through holes, the side face of the housing is provided with a plurality of clamping grooves, one end, close to the axis of the filter screen cover, of the aeration pipe is clamped in the clamping grooves, the stand column is arranged below the housing, the top end of the stand column is fixedly connected with the housing, the bottom of the stand column is provided with a jack, and the filter screen cover is provided with a plug rod matched with the jack.
Preferably, an arc-shaped guide plate corresponding to the second guide hole is arranged in the guide cavity, the bottom of the arc-shaped guide plate extends to the lower portion of the second guide hole and is fixedly connected with the cylinder body, and the concave side of the arc-shaped guide plate faces the second guide hole.
Preferably, an annular step is integrally arranged in the barrel body, and a filter screen cover of the bottommost filter assembly is abutted to the upper portion of the annular step.
Preferably, the bottom of the cylinder cover is integrally provided with a first flange, the top of the cylinder body is integrally provided with a second flange, the first flange and the second flange are connected through bolts, and an annular sealing ring is arranged between the first flange and the second flange.
Preferably, an annular sleeve is integrally arranged at the bottom of the cylinder cover, the annular sleeve is inserted into the water purifying cavity when the cylinder cover is fixed on the cylinder body, the outer wall of the annular sleeve is tightly attached to the inner wall of the cylinder body, the bottom of the annular sleeve is abutted to the top of the circular ring, and a fourth diversion hole corresponding to the third diversion hole is formed in the annular sleeve.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, the multi-stage filtration treatment is carried out on the sewage by the multi-layer filtration components arranged up and down and the permeation components, so that the flocculate, the particles and the colloid in the sewage are filtered more thoroughly, and the filtration effect is good.
2. In the invention, the filter material is simultaneously washed by the purified water from the vertical direction and the side direction of the filter screen, and the backwashing cleaning effect is further improved.
3. In the invention, the aeration pipe is used for conveying gas to the filter material, and stirring the filter material particles, so that the gaps between adjacent filter material particles are increased, and the pollutants among the filter material particles are cleaned more thoroughly.
Drawings
FIG. 1 is a block diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a structural exploded view of the present invention;
FIG. 6 is a schematic view of the internal structure of the barrel according to the present invention;
FIG. 7 is a partial enlarged view at B in FIG. 6;
FIG. 8 is a schematic view of the structure of the cartridge cap of the present invention;
FIG. 9 is a schematic view of a filter screen according to the present invention;
fig. 10 is a schematic view of the structure of an aeration tube in the present invention;
fig. 11 is a schematic structural view of a positioning seat in the present invention.
Wherein:
1. The device comprises a cylinder body, a sludge pipe, a sewage pipe, a 4-inlet pipe, a 5-water purifying pipe, a 6-cylinder cover, a 7-chlorine dioxide generator, a 8-water purifying cavity, a 9-permeation component, a 10-filtering cavity, a 11-diversion cavity, a 12-filtering unit, a 13-dirt collecting cavity, a 14-annular air duct, a 15-filtering net cover, a 16-aeration pipe, a 17-positioning seat, a 18-second diversion hole, a 19-arc-shaped diversion plate, a 20-first diversion hole, a 21-first air hole, a 22-third diversion hole, a 23-annular sleeve, a 24-annular step, a 25-second air hole, a 26-inserting rod, a 27-air outlet hole, a 28-circular through hole, a 29-upright post, a 30-clamping groove.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in figure 1, the mine water treatment system for underground coal mine comprises a sewage bin, a water purifying bin, a sedimentation tank, a sludge bin, a dosing device, a sludge treatment unit and a filtering unit 12, wherein the sewage bin, the sedimentation tank, the filtering unit 12 and the water purifying bin are sequentially communicated through pipelines, the dosing device is communicated with the pipelines between the sewage bin and the sedimentation tank, and the sludge treatment unit is respectively communicated with the filtering unit 12 through the pipelines, The sewage bin is communicated with the sludge bin, the sewage bin is used for storing coal mine underground sewage to be treated, the water purifying bin is used for storing treated purified water, the dosing device is used for adding flocculating agent and coagulant aid into the sewage, the sedimentation tank is used for naturally settling the sewage after adding the flocculating agent and the coagulant aid, the sludge bin is used for storing sludge separated from the sewage, the filtering unit 12 is used for filtering pollutants in mine water from the sedimentation tank, the sludge treatment unit is used for treating the pollutants separated by the filtering unit 12 and the sediment in the sedimentation tank, the separated sludge and the sewage are returned to the sewage bin, the sludge enters the sludge bin, the sludge treatment unit is a device which is commonly used at present, and the filtering unit 12 comprises a cylinder body 1 as shown in fig. 2 to 5, a cartridge cap 6 and a filter assembly; as shown in fig. 6 and 7, an opening is arranged at the upper part of a barrel body 1, a barrel cover 6 is connected to the top of the barrel body 1 through a bolt, the barrel body 1 is cylindrical, the bottom is a downward convex hemisphere, an annular flow guide cavity 11 is arranged on the barrel body 1, the axis of the flow guide cavity 11 is overlapped with the axis of the barrel body 1, an annular air guide pipe 14 is arranged in the flow guide cavity 11, the annular air guide pipe 14 is fixedly connected with the barrel body 1, the inside of the barrel body 1 is transversely divided into a dirt collecting cavity 13, a filter cavity 10 and a water purifying cavity 8, the dirt collecting cavity 13 is positioned in a hemisphere, the water purifying cavity 8 is arranged above the filter cavity 10, the dirt collecting cavity 13 is arranged below the filter cavity 10, a filter assembly is arranged in the filter cavity 10 and used for filtering sewage, as shown in fig. 8, a water purifying pipe 5 communicated with the water purifying cavity 8 is arranged on the barrel cover 6, the filtered water is discharged from the water purifying pipe 5, and an air inlet pipe 4 communicated with the dirt collecting cavity 13 is arranged on the barrel body 1, The sewage treatment device comprises a sewage pipe 3, a sludge pipe 2, an air inlet pipe 4, an annular air guide pipe 14, the sludge pipe 2 is arranged at the bottom end of a cylinder body 1, the sewage pipe 3 is arranged on the side surface of the cylinder body 1, the sewage pipe 3 is communicated with a sewage collecting cavity 13, sewage enters the sewage collecting cavity 13, part of pollutants can be downwards settled around the sludge pipe 2 under the action of gravity, along with the rising of the water level in the sewage collecting cavity 13, the sewage upwards flows and is subjected to layer-by-layer filtering and purifying treatment of a filtering assembly, a plurality of groups of filtering assemblies are arranged in a stacked manner from top to bottom to carry out multistage filtering on the sewage, the filtering assembly comprises a filtering net cover 15, an aeration pipe 16 and a filter material, the outer wall of the filtering net cover 15 is tightly attached to the inner wall of the cylinder body 1, so that the sewage can only upwards flow through the filtering net cover 15, and a first air hole 21 is formed in the filtering net cover 15 as shown in fig. 9 The first diversion hole 20, the cylinder body 1 is provided with a second air hole 25 which is matched with the first air hole 21, The second air guide hole 18 is matched with the first air guide hole 20, the second air hole 25 is communicated with the annular air guide pipe 14, the first air guide hole 20 is communicated with the air guide cavity 11 through the second air guide hole 18, the aeration pipe 16 is horizontally arranged in the filter screen 15, one end of the aeration pipe 16 penetrates through the first air hole 21 and is communicated with the second air hole 25, as shown in fig. 10, a plurality of air outlet holes 27 are densely distributed on the aeration pipe 16, air enters the annular air guide pipe 14 from the air inlet pipe 4 and is discharged from the air outlet holes 27 of the aeration pipe 16, one end, close to the annular air guide pipe 14, of the aeration pipe 16 is provided with a one-way valve, so that air can only enter the aeration pipe 16 from the annular air guide pipe 14, sewage cannot flow into the annular air guide pipe 14, the filter material is filled in the filter screen 15, the particle diameters of the filter materials in a plurality of groups of filter assemblies are gradually reduced from bottom to top, and multistage filtration is realized, and the filter materials are quartz sand which are commonly used at present, The filter screen comprises an activated carbon and other materials, wherein a permeation assembly 9 is arranged at the upper part of a topmost filter screen cover 15, the permeation assembly 9 comprises a circular ring and a permeation membrane, the permeation membrane is arranged in the circular ring and fixedly connected with the inner wall of the circular ring, the outer wall of the circular ring is tightly attached to the inner wall of a cylinder body 1, the bottom end of the cylinder cover 6 is abutted against the upper end of the circular ring, filtered water is subjected to permeation filtration through the permeation membrane, a third diversion hole 22 is arranged on the cylinder body 1, the third diversion hole 22 is positioned above the permeation assembly 9, the third diversion hole 22 is communicated with a diversion cavity 11 and a water purification cavity 8, a first one-way valve is arranged in the third diversion hole 22, so that water can only enter the diversion cavity 11 from the water purification cavity 8, a water purification pipe 5 is communicated with a water purification bin, a sewage pipe 3 is communicated with a sedimentation tank, and a sludge pipe 2 is communicated with a sludge treatment unit.
Further, as shown in fig. 3, a chlorine dioxide generator 7 is fixedly provided in the interior of the cap 6, and the water filtered by the permeable membrane is purified.
Further, solenoid valves are respectively arranged on the water purifying pipe 5, the air inlet pipe 4, the sewage pipe 3 and the sludge pipe 2 for controlling the opening and closing of each pipeline.
Further, as shown in fig. 9, the filter screen 15 is cylindrical, an opening is formed in the top of the filter screen 15 for placing the filter material in the filter screen 15, as shown in fig. 10, a plurality of aeration pipes 16 are arranged in a circumferential array with the axis of the filter screen 15 as the center, air outlet holes 27 are formed below the aeration pipes 16, and air is ejected from the air outlet holes 27 and moves upwards through two sides of the aeration pipes 16, so that the filter material around the aeration pipes 16 can be contacted with the air, and the aeration range is enlarged.
Further, as shown in fig. 4 to 6 and 11, the filter assembly further comprises a positioning seat 17, the positioning seat 17 comprises a stand column 29 and a housing, the bottom of the housing is provided with an opening, a plurality of circular through holes 28 are arranged at the upper part, a plurality of clamping grooves 30 are arranged on the side face, one end of the aeration pipe 16 close to the axis of the filter screen 15 is clamped in the clamping grooves 30, the stand column 29 is arranged below the housing and fixedly connected with the housing, a jack is arranged at the bottom of the stand column 29, an inserting rod 26 matched with the jack is arranged on the filter screen 15, the positioning seat 17 is inserted on the inserting rod 26 after the aeration pipe 16 is inserted on the filter screen 15, both ends of the aeration pipe 16 are fixed through the clamping grooves 30 on the housing of the positioning seat 17, and the aeration pipe 16 is prevented from being tilted when the filter material is paved in the filter screen 15, and water seepage is caused to the annular air guide pipe 14 due to the gap at the joint of the aeration pipe 16 and the cylinder body 1.
Further, as shown in fig. 3 and 4, an arc-shaped guide plate 19 corresponding to the second guide hole 18 is arranged in the guide cavity 11, the bottom of the arc-shaped guide plate 19 extends to the lower side of the second guide hole 18 and is fixedly connected with the cylinder body 1, the concave side of the arc-shaped guide plate 19 faces the second guide hole 18, when mine water is filtered and purified, part of sewage enters the guide cavity 11 from the first guide hole 20 and the second guide hole 18, pollutants in the sewage naturally subside under the action of gravity and flow back into the cylinder body 1 along the arc-shaped guide plate 19, the aggregation of the pollutants in the guide cavity 11 is reduced, a cabin door is arranged on the cylinder body 1, and the guide cavity 11 can be cleaned after the cabin door is opened.
Further, as shown in fig. 3 and 6, an annular step 24 is integrally provided in the interior of the barrel 1, and the filter screen 15 of the bottommost filter assembly abuts against the upper portion of the annular step 24 to provide a supporting force to the filter screen 15.
Further, as shown in fig. 3, a first flange is integrally provided at the bottom of the cylinder cover 6, a second flange is integrally provided at the top of the cylinder body 1, the first flange and the second flange are connected by bolts, the cylinder cover 6 can be detached from the cylinder body 1 for cleaning after the bolts are removed, and an annular sealing ring is provided between the first flange and the second flange to play a sealing role to prevent water leakage.
Further, as shown in fig. 8, an annular sleeve 23 is integrally arranged at the bottom of the cylinder cover 6, when the cylinder cover 6 is fixed on the cylinder body 1, the annular sleeve 23 is inserted into the water purifying cavity 8, the outer wall of the annular sleeve 23 is tightly attached to the inner wall of the cylinder body 1, the bottom of the annular sleeve 23 is abutted to the top of the circular ring, a fourth diversion hole corresponding to the third diversion hole 22 is arranged on the annular sleeve 23, and after the cylinder cover 6 is covered on the cylinder body 1, the annular sleeve 23 is abutted against the circular ring, so that the filtering component and the permeation component 9 are firmly fixed.
Working principle:
The method comprises the steps that when mine water in a sewage bin is pumped to a sedimentation tank, a chemical adding device adds flocculating agent and coagulant aid into mine water, so that flocculating agent in the mine water is naturally settled in the sedimentation tank, the settled mine water is pumped to a filtering unit 12, enters a sewage collecting cavity 13 at the bottom of a cylinder body 1 from a sewage pipe 3, part of residual flocculating agent is settled again in the sewage collecting cavity 13, along with the rising of the water level in the sewage collecting cavity 13, sewage passes through a multi-layer filtering unit 12 from bottom to top, enters a permeable membrane after being filtered by a filter material in the filtering unit 12, enters a water purifying cavity 8 after being subjected to permeable reaction by the permeable membrane, reacts with chlorine dioxide generated by a chlorine dioxide generator 7 in the water purifying cavity 8, and the clean water enters the water purifying bin from a water purifying pipe 5 to be stored; when the filtering unit 12 needs to be backwashed, the sewage pipe 3 is closed, the sludge pipe 2 is opened, the clean water is pumped to the water purifying pipe 5 by the water purifying bin, flows downwards through the permeable membrane and sequentially flows through the multi-layer filtering assembly, flocculates in filter materials in the filtering assembly are washed into the sewage collecting cavity 13 and discharged into the sludge treatment unit from the sludge pipe 2 for treatment, meanwhile, clean water in the water purifying bin enters the diversion cavity 11 from the third diversion hole 22 and the fourth diversion hole and flows into the filtering net cover 15 from the second diversion hole 18 and the first diversion hole 20, the filter materials in the filtering net cover 15 are transversely washed, flocculates among gaps among filter material particles are sufficiently washed, air conveyed into the aeration pipe 16 through the annular air duct 14 is sprayed out from the air outlet 27 while the filter material particles are backwashed by the water purifying, the filter material particles are pushed upwards under the action of air flow, gaps among adjacent filter material particles are increased, so that the flocculate clamped between the filter material particles is thoroughly cleaned, and the back flushing is more thorough. The pollutants treated by the sludge treatment unit are separated into sewage and sludge, the sludge is conveyed to a sludge bin for storage, and the sewage is conveyed to a sewage bin for purification treatment again.

Claims (7)

1.一种煤矿井下用矿井水处理系统，其特征在于，包括污水仓、净水仓、沉淀池、污泥仓、加药装置、污泥处理单元、过滤单元(12)；污水仓、沉淀池、过滤单元(12)和净水仓通过管道顺次连通，加药装置与污水仓和沉淀池之间的管道连通，污泥处理单元通过管道分别与过滤单元(12)、污水仓和污泥仓连通，所述过滤单元(12)包括筒身(1)、筒盖(6)和过滤组件；筒盖(6)通过螺栓连接于筒身(1)的顶部；筒身(1)上设置有环形的导流腔(11)；导流腔(11)内设置有环形导气管(14)，环形导气管(14)与筒身(1)固定连接；筒身(1)的内部横向分隔为集污腔(13)、过滤腔(10)和净水腔(8)；净水腔(8)置于过滤腔(10)的上方，集污腔(13)置于过滤腔(10)的下方；过滤组件设置在过滤腔(10)内；筒盖(6)上设置有与净水腔(8)连通的净水管(5)；筒身(1)上设置有与集污腔(13)连通的进气管(4)、污水管(3)和污泥管(2)；进气管(4)与环形导气管(14)连通；污泥管(2)设置在筒身(1)的底端，污水管(3)设置在筒身(1)的侧面；过滤组件自上而下层叠设置有多组；所述过滤组件包括过滤网罩(15)、曝气管(16)、滤料；过滤网罩(15)的外壁与筒身(1)的内壁紧密贴合；过滤网罩(15)上设置有第一气孔(21)、第一导流孔(20)，筒身(1)上设置有与第一气孔(21)相适配的第二气孔(25)、与第一导流孔(20)适配的第二导流孔(18)，第二气孔(25)与环形导气管(14)连通，第一导流孔(20)通过第二导流孔(18)与导流腔(11)连通；曝气管(16)水平设置在过滤网罩(15)内；曝气管(16)的一端穿过第一气孔(21)并与第二气孔(25)连通；曝气管(16)上密布有多个出气孔(27)；滤料填充于过滤网罩(15)内，且多组过滤组件内的滤料的颗粒直径自下而上逐渐减小；最顶部的过滤网罩(15)上部设置有渗透组件(9)；渗透组件(9)包括圆环和渗透膜；渗透膜设置在圆环内并与圆环的内壁固定连接；圆环的外壁与筒身(1)的内壁紧密贴合，筒盖(6)的底端抵接圆环的上端；筒身(1)上设置有第三导流孔(22)，第三导流孔(22)位于所述渗透组件(9)的上方，并且第三导流孔(22)连通导流腔(11)和净水腔(8)；第三导流孔(22)内设置有第一单向阀；净水管(5)与净水仓连通，进气管(4)上连接有气泵，污水管(3)与沉淀池连通，污泥管(2)与污泥处理单元连通；1. A mine water treatment system for underground coal mines, characterized in that it comprises a sewage tank, a clean water tank, a sedimentation tank, a sludge tank, a dosing device, a sludge treatment unit, and a filter unit (12); the sewage tank, the sedimentation tank, the filter unit (12) and the clean water tank are sequentially connected through pipelines, the dosing device is connected to the pipeline between the sewage tank and the sedimentation tank, the sludge treatment unit is connected to the filter unit (12), the sewage tank and the sludge tank respectively through pipelines, and the filter unit (12) comprises a barrel (1), a barrel cover (6) and a filter assembly; the barrel cover (6) is connected to the top of the barrel (1) by bolts; an annular guide cavity (11) is provided on the barrel (1); an annular air guide pipe (14) is provided in the guide cavity (11), and the annular air guide pipe (14) is fixedly connected to the barrel (1); the barrel ( 1) is transversely divided into a sewage collecting chamber (13), a filter chamber (10) and a water purification chamber (8); the water purification chamber (8) is placed above the filter chamber (10), and the sewage collecting chamber (13) is placed below the filter chamber (10); the filter assembly is arranged in the filter chamber (10); a water purification pipe (5) communicating with the water purification chamber (8) is arranged on the cylinder cover (6); an air intake pipe (4), a sewage pipe (3) and a sludge pipe (2) communicating with the sewage collecting chamber (13) are arranged on the cylinder body (1); the air intake pipe (4) is communicated with the annular air guide pipe (14); the sludge pipe (2) is arranged at the bottom end of the cylinder body (1), and the sewage pipe (3) is arranged on the side of the cylinder body (1); multiple groups of filter assemblies are stacked from top to bottom; the filter assembly includes a filter screen cover (15), an aeration pipe (16) and filter material; the filter screen cover The outer wall of the filter screen (15) is tightly fitted with the inner wall of the barrel (1); the filter screen cover (15) is provided with a first air hole (21) and a first flow guide hole (20); the barrel (1) is provided with a second air hole (25) adapted to the first air hole (21) and a second flow guide hole (18) adapted to the first flow guide hole (20); the second air hole (25) is communicated with the annular air guide pipe (14); the first flow guide hole (20) is communicated with the flow guide cavity (11) through the second flow guide hole (18); the aeration pipe (16) is horizontally arranged in the filter screen cover (15); one end of the aeration pipe (16) passes through the first air hole (21) and is communicated with the second air hole (25); a plurality of air outlet holes (27) are densely distributed on the aeration pipe (16); the filter material is filled in the filter screen cover (15), and the plurality of filter components in the filter components are connected. The particle diameter of the filter material gradually decreases from bottom to top; an infiltration component (9) is provided on the upper part of the top filter screen cover (15); the infiltration component (9) includes a ring and an infiltration membrane; the infiltration membrane is provided in the ring and fixedly connected to the inner wall of the ring; the outer wall of the ring is tightly fitted with the inner wall of the cylinder body (1), and the bottom end of the cylinder cover (6) abuts the upper end of the ring; a third guide hole (22) is provided on the cylinder body (1), the third guide hole (22) is located above the infiltration component (9), and the third guide hole (22) is connected to the guide cavity (11) and the clean water cavity (8); a first one-way valve is provided in the third guide hole (22); the clean water pipe (5) is connected to the clean water tank, the air inlet pipe (4) is connected to an air pump, the sewage pipe (3) is connected to the sedimentation tank, and the sludge pipe (2) is connected to the sludge treatment unit; 所述过滤网罩(15)为圆柱形，顶部设置有开口；所述曝气管(16)配置有多个；多个所述曝气管(16)以过滤网罩(15)的轴线为中心呈圆周阵列分布；所述出气孔(27)设置在曝气管(16)的下方；The filter screen cover (15) is cylindrical and has an opening at the top; a plurality of aeration pipes (16) are provided; the plurality of aeration pipes (16) are distributed in a circular array with the axis of the filter screen cover (15) as the center; the air outlet (27) is provided below the aeration pipe (16); 所述过滤组件还包括定位座(17)；所述定位座(17)包括立柱(29)和罩壳；罩壳的底部设置为敞开口，上部设置有多个圆形通孔(28)，侧面设置有多个卡槽(30)，所述曝气管(16)靠近所述过滤网罩(15)的轴线的一端卡接在卡槽(30)内；立柱(29)设置在罩壳的下方，且立柱(29)的顶端与罩壳固定连接；立柱(29)的底部设置有插孔，过滤网罩(15)上设置有与插孔相适配的插杆(26)。The filter assembly also includes a positioning seat (17); the positioning seat (17) includes a column (29) and a cover shell; the bottom of the cover shell is set as an open mouth, the upper part is provided with a plurality of circular through holes (28), and the side is provided with a plurality of slots (30), and the end of the aeration pipe (16) close to the axis of the filter screen cover (15) is clamped in the slot (30); the column (29) is set below the cover shell, and the top of the column (29) is fixedly connected to the cover shell; the bottom of the column (29) is provided with a socket, and the filter screen cover (15) is provided with a plug rod (26) adapted to the socket. 2.如权利要求1所述的一种煤矿井下用矿井水处理系统，其特征在于，所述筒盖(6)的内部固定设置有二氧化氯发生器(7)。2. A mine water treatment system for underground coal mines as described in claim 1, characterized in that a chlorine dioxide generator (7) is fixedly installed inside the cylinder cover (6). 3.如权利要求1所述的一种煤矿井下用矿井水处理系统，其特征在于，所述净水管(5)、进气管(4)、污水管(3)和污泥管(2)上分别设置有电磁阀。3. A mine water treatment system for underground coal mines as described in claim 1, characterized in that solenoid valves are respectively provided on the clean water pipe (5), the air intake pipe (4), the sewage pipe (3) and the sludge pipe (2). 4.如权利要求1所述的一种煤矿井下用矿井水处理系统，其特征在于，所述导流腔(11)的内部设置有与所述第二导流孔(18)相对应的弧形导流板(19)；弧形导流板(19)的底部延伸至第二导流孔(18)的下方并与所述筒身(1)固定连接；弧形导流板(19)的凹面侧朝向第二导流孔(18)设置。4. A mine water treatment system for underground coal mines according to claim 1, characterized in that an arc-shaped guide plate (19) corresponding to the second guide hole (18) is provided inside the guide cavity (11); the bottom of the arc-shaped guide plate (19) extends to the bottom of the second guide hole (18) and is fixedly connected to the barrel (1); the concave side of the arc-shaped guide plate (19) is arranged toward the second guide hole (18). 5.如权利要求1所述的一种煤矿井下用矿井水处理系统，其特征在于，所述筒身(1)的内部一体设置有环形台阶(24)；最底部的所述过滤组件的过滤网罩(15)抵接在环形台阶(24)的上部。5. A mine water treatment system for underground coal mines as described in claim 1, characterized in that an annular step (24) is integrally provided inside the cylinder body (1); the filter screen cover (15) of the bottom filter assembly abuts against the upper part of the annular step (24). 6.如权利要求1所述的一种煤矿井下用矿井水处理系统，其特征在于，所述筒盖(6)的底部一体设置有第一法兰盘，所述筒身(1)的顶部一体设置有第二法兰盘，第一法兰盘和第二法兰盘通过螺栓连接；第一法兰盘和第二法兰盘之间设置有环形密封圈。6. A mine water treatment system for underground coal mines as described in claim 1, characterized in that a first flange is integrally provided at the bottom of the cylinder cover (6), a second flange is integrally provided at the top of the cylinder body (1), and the first flange and the second flange are connected by bolts; an annular sealing ring is provided between the first flange and the second flange. 7.如权利要求6所述的一种煤矿井下用矿井水处理系统，其特征在于，所述筒盖(6)的底部一体设置有环形套筒(23)；所述筒盖(6)固定在所述筒身(1)上时，环形套筒(23)插入至所述净水腔(8)内；环形套筒(23)的外壁与筒身(1)的内壁紧密贴合；环形套筒(23)的底部抵接在所述圆环的顶部；环形套筒(23)上设置有与所述第三导流孔(22)相对应的第四导流孔。7. A mine water treatment system for underground coal mines as described in claim 6, characterized in that an annular sleeve (23) is integrally provided at the bottom of the cylinder cover (6); when the cylinder cover (6) is fixed on the cylinder body (1), the annular sleeve (23) is inserted into the clean water chamber (8); the outer wall of the annular sleeve (23) is tightly fitted with the inner wall of the cylinder body (1); the bottom of the annular sleeve (23) abuts against the top of the circular ring; and a fourth guide hole corresponding to the third guide hole (22) is provided on the annular sleeve (23).
CN202310492955.2A 2023-04-28 2023-04-28 A mine water treatment system for underground coal mines Active CN116621365B (en)

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