CN110066041A - Mine type coal preparation plant combines water treatment system with mine water - Google Patents

Mine type coal preparation plant combines water treatment system with mine water Download PDF

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Publication number
CN110066041A
CN110066041A CN201810469709.4A CN201810469709A CN110066041A CN 110066041 A CN110066041 A CN 110066041A CN 201810469709 A CN201810469709 A CN 201810469709A CN 110066041 A CN110066041 A CN 110066041A
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China
Prior art keywords
water
coal
mine
treatment system
water treatment
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CN201810469709.4A
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CN110066041B (en
Inventor
王维利
王宏伟
刘于生
张浩宇
张永飞
张建强
孟克
冯书利
柯昌兵
赵浩楷
朱世维
高廷
崔红伟
王飞
晁小闹
吴斌
张雪东
王升
刘縻柱
邱文兵
秦海滨
白慧江
王晓燕
陶京
孙怡娜
侯悦
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Inner Mongolia Zhongyu Tad Coal Co Ltd
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Inner Mongolia Zhongyu Tad Coal Co Ltd
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Priority to CN201810469709.4A priority Critical patent/CN110066041B/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/122Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities

Abstract

The invention discloses a kind of mine type coal preparation plants to combine water treatment system with mine water, it includes mine water treatment system and coal separation water treatment system, and the underflow opening of the sludge concentration tank of mine water treatment system is connected to the feed inlet of the plate and frame filter press of coal separation water treatment system and slurry pond respectively by sludge feed pump;The water outlet of the purification water pool of mine water treatment system is connected to by coal separation small pump with the coal separation circulating water pool of coal separation water treatment system;The filtrate water out and conditioning tank of plate and frame filter press pass through pipeline connection.Advantage is: improving the impact resistance of mine water treatment system and coal separation water treatment system, avoids environmental pollution accident;Reduce the press filteration system and facility investment in conventional well water treatment system;The sludge for cancelling mine water treatment system dries place, prevents pollution environment;The coal slime that mine water treatment system and coal separation water treatment system generate uniformly is dried, and is sold and is made a profit as product, and the wasting of resources is avoided, and guarantees the operation of coal separation efficient stable.

Description

Mine type coal preparation plant combines water treatment system with mine water
Technical field:
The present invention relates to a kind of water treatment systems more particularly to a kind of mine type coal preparation plant to combine water process system with mine water System
Background technique:
Raw coal has been mixed into various dirts in generating process, is inevitably mixed into again in exploitation and transportational process The rock and other impurities (timber, metal and cement components etc.) of top plate and bottom plate, with the improvement of mechanization of coal mining and The variation of geological conditions, raw coal quality worse and worse, show the spoil increase for being mixed into raw coal, ash content raising, smalls and fine coal Content increases, moisture improves.In order to reduce the impurity in raw coal, at the same coal by quality, specification be divided into various products it is necessary to Coal separation processing is carried out to coal, to adapt to requirement of the different user to Coal Quality, for effective, reasonable utilization coal money Source.It reduces fire coal to create conditions to the pollution of atmosphere, guarantees the sustainable development of national economy.
Mine type coal preparation plant, which refers to, depends on coal mine foundation, the coal separation for mainly sorting the raw coal of this mine output Factory generally builds in coal mine on-site or neighbouring periphery;It is single to have raw material sources, raw coal, processing washing, Product transport system It is all disposed on surface plant, the production auxiliary equipment of coal preparation plant can consider with mine, and production system and management system simplify, section The advantages that investment-saving, unproductive costs is lower.
Currently, most of mine type coal preparation plant is wet coal preparation technique, washing operation is with water base at mine water The purified industrial water purification in reason station.It is wherein, relatively independent when the treating mine drainage station of coal mine is designed with affiliated coal preparation plant's water system, The mine water of coal mine is first carried out purification storage by essentially simple relation between supply and demand, i.e. treating mine drainage station, then will by pipeline Industrial water purification produces moisturizing, dedusting, flushing, part domestic water etc. for the fire-fighting in this mining area, coal preparation plant, and in purification process The sludge of generation then carries out filters pressing by the plate and frame filter press in treating mine drainage station, generates coal slime and discharges nearby, due to general mine Coal slime calorific value is lower (between 500-2000kcal/kg) in well water sludge concentration tank, and unstable, usually not as product pin It sells, common processing mode is to be transported after natural drying to spoil discharge place to carry out burial processing.Mine type Coal Preparation Plant Moisturizing is generally the water purification of sewage plant, after water is disposably supplied, can be used as the industrial water of coal preparation plant, rate of water make-up generally with production The number of surface evaporation water is proportional in product water amount, coal preparation plant's plant building.Coal preparation plant's industrial water is mainly used for The purposes such as washing, desliming, de-mediated, moisturizing, depositing dust, flushing can constantly accumulate coal dust and other powder with the progress of production in water Dirt, formed black water, to realize closed water circuit and coal slime in washing system being discharged, coal preparation plant be generally configured with thickener or The slime water concentrations facility such as spitzkasten, is squeezed by coal preparation plant's press filteration system, and the coal slime of generation, which can individually be discharged or be mixed, matches In foam product of coal, since its calorific value is relatively high (generally 2500-4000kcal/kg or so), it can be used as product sale and obtain Benefit.
In conclusion the water system of mine type Coal Preparation Plant with its belonging to coal mine water treatment system it is opposite only Vertical operation, the two not combined operating, only simple water the relation between supply and demand, overall system architecture is simple and clear, but practical fortune Row during often there arises a problem that
Coal mine water system impact resistance is poor, and the first of Coal Mine Design sets data generally with the basic data of original periphery coal mine Designed with the sampled data of this coal mine as reference implementation, and often will appear when coal mine is constructed and put into operation after some design datas and Not the case where not being inconsistent actually.Since underground gushing water amount fluctuation is larger, and the rich water phase is often more than at the design at treating mine drainage station Reason ability causes at this point, downstream links and the design quantity of equipment water consumption are substantially stationary, and only single the relation between supply and demand Extra water is unable to get effective purification, and wastewater disposition, environmental pollution accident occurs.
Filtering equipment repeats to purchase.Both the treating mine drainage station of coal mine and coal preparation plant's circulation are due to design considerations Difference generally takes respective independent process to design only with reference to relation between supply and demand, and two sets of non-interfering coal slime press filteration systems are arranged, Functions of the equipments are consistent, and repetition is purchased.
Treatment of Sludge causes environmental pollution and the wasting of resources.The sludge coal slime at treating mine drainage station is by treating mine drainage station Plate and frame filter press carry out filters pressing, generate coal slime in nearest independent open area and discharge sunning, due to general mine sewage sludge Coal slime calorific value is lower (between 500-2000kcal/kg) in concentration basin, and unstable, usually sells not as product, common Processing mode is to be transported after natural drying to spoil discharge place to carry out burial processing.But sunning and burial can cause dirt to environment Dye, and the coal slime that sludge is formed causes the wasting of resources due to itself having certain fuel value to a certain extent.
The extra water of coal preparation plant's water system can not be handled.Coal preparation plant's moisturizing derives from the water purification at treating mine drainage station, consumption Generally product band water and moisture evaporate.Water supplementing method generallys use on-demand moisturizing.When mine rich water phase or rainy season arrive, lead to Normal coal preparation plant water system will bear to impact compared with big yield, when system water capacity reaches saturation, since coal preparation plant's water system subordination is closed This part water removal system can not be increased and emit pond accident odds, cause sewage outflow by the road circulatory system, dirty Contaminate environment.
Summary of the invention:
The purpose of the present invention is to provide a kind of strong shock resistance, operating cost is low, system structure is flexible, saves equipment Investment avoids environmental pollution, the wasting of resources, guarantees that the mine type coal preparation plant of coal separation efficient stable operation combines at water with mine water Reason system.
The present invention is implemented by following technical solution: mine type coal preparation plant combines water treatment system with mine water comprising mine Well bore water treatment system and coal separation water treatment system, the underflow opening of the sludge concentration tank of the mine water treatment system are entered by sludge Material pump is heavy with the coal slime of the feed inlet of the plate and frame filter press of the coal separation water treatment system and the coal separation water treatment system respectively The connection of shallow lake pond;The water outlet of the purification water pool of the mine water treatment system passes through coal separation small pump and coal separation water process system The coal separation circulating water pool of system is connected to;The filtrate water out and the conditioning tank of the plate and frame filter press pass through pipeline connection.
The mine water treatment system includes the conditioning tank, adjusts elevator pump, mudpan, more than one sludge Medicament pond, precipitating elevator pump, the sludge concentration tank, collecting-tank, the elevator pump that catchments, intermediate pool, intermediate water elevator pump, filtering Device, backwash pond, backwash water elevator pump, disinfecting tank, hypochlorous acid generator, disinfection elevator pump and purification water pool;The tune The water outlet for saving pond passes through pipeline connection by the adjusting elevator pump and the mudpan;Sludge medicament pond goes out Medicine mouth and the mudpan pass through pipeline connection;The underflow opening of the mudpan passes through the precipitating elevator pump and institute It states sludge concentration tank and passes through pipeline connection;The overflow port of the sludge concentration tank and the collecting-tank pass through pipeline connection;It is described The water outlet of collecting-tank is connected to by the elevator pump that catchments with the conditioning tank;The overflow port of the mudpan with it is described Intermediate pool passes through pipeline connection;The water outlet of the intermediate pool by the intermediate water elevator pump and the filter into Mouth of a river connection;The filtering water outlet of the filter and the backwash pond pass through pipeline connection;The sewage of the filter goes out Mouth passes through pipeline connection with the conditioning tank;The underflow opening in the backwash pond passes through the backwash water elevator pump and the filtering The water inlet of device is connected to;The overflow port and the disinfecting tank in the backwash pond pass through pipeline connection;The hypochlorous acid hair The discharge port and the disinfecting tank of raw device pass through pipeline connection;The water outlet of the disinfecting tank is mentioned by the disinfection Pump is risen to be connected to the purification water pool;The water outlet of the purification water pool produces elevator pump and mining area industrial water system by mining area System connection.
Coal preparation plant's water treatment system includes coal separation circulating water pool, coal separation water elevator pump, the slurry pond, one Above coal slime medicament pond, coal slime elevator pump, plate indentation charging basket, plate press-in material pump, the plate and frame filter press;The coal separation circulation Pond is connected to by the coal separation water elevator pump with the water inlet of wet coal preparation system;The discharge outlet of the wet coal preparation system with The slurry pond passes through pipeline connection;The medicine outlet and the slurry pond in coal slime medicament pond are connected by pipeline It is logical;The underflow opening of the slurry pond is pressed into charging basket with the plate by the coal slime elevator pump and is connected to;The coal slime precipitating The overflow port in pond and the coal separation circulating water pool pass through pipeline connection;The water outlet of the plate indentation charging basket is pressed by the plate Material pump is connected to the feed inlet of the plate and frame filter press;The filtrate water out of the plate and frame filter press and the coal separation circulating water pool Pass through pipeline connection.
The discharge outlet of the plate and frame filter press between the coal separation circulating water pool pipeline and the filter sewage The pipeline being exported between the conditioning tank is connected to by filters pressing branch drain.
The overflow port of the slurry pond and the conditioning tank pass through pipeline connection.
The overflow port of the slurry pond is to the pipeline and the plate and frame filter press between the coal separation circulating water pool Discharge outlet is connected to the pipeline between the filters pressing branch drain by coal slime sediment overflow branch pipe.
The wet coal preparation system is wet process dense-medium separation system or wet process coal jigging system or wet process table separation System or wet process interference bed Recognition Applied in Coal Preparation System or wet flotation Recognition Applied in Coal Preparation System or wet process spiral separating Recognition Applied in Coal Preparation System it is any one Kind.
Advantages of the present invention:
Two water supply lines and return piping: mine water will be added between mine water treatment system and coal separation water treatment system The sludge water of processing system directly squeezes into the slurry pond and/or plate and frame filter press of coal separation water treatment system;Original mine water Water pipe is constant as spare duct between processing system and coal separation water treatment system;The extra water of coal separation water treatment system Mine water treatment system can be back to;Water route route choosing can be converted by valve and be realized, mine water treatment system and choosing are improved The impact resistance of coal water treatment system avoids that wastewater disposition occurs, and environmental pollution accident guarantees the steady of coal separation water treatment system Fixed operation, and then guarantee the efficient stable operation of wet coal preparation system.
Mine water treatment system and coal separation water treatment system share a set of plate and frame filter press, reduce conventional well water process Press filteration system and facility investment in system;The sludge for cancelling mine water treatment system dries place, prevents pollution environment;Mine The coal slime that water treatment system and coal separation water treatment system generate uniformly is dried, and land use cost is saved;The coal slime uniformly dried It can be used as product sale to make a profit, avoid the wasting of resources.
Detailed description of the invention:
Mine water treatment system 1, conditioning tank 101, adjust elevator pump 102, mudpan 103, sludge medicament pond 104, Precipitate elevator pump 105, sludge concentration tank 106, collecting-tank 107, the elevator pump 108 that catchments, intermediate pool 109, intermediate water elevator pump 110, filter 111, backwash pond 112, backwash water elevator pump 113, disinfecting tank 114, hypochlorous acid generator 115, disinfection Elevator pump 116, purification water pool 117, coal separation water treatment system 2, coal separation circulating water pool 201, coal separation water elevator pump 202, coal slime are heavy Shallow lake pond 203, coal slime medicament pond 204, coal slime elevator pump 205, plate indentation charging basket 206, plate press-in material pump 207, plate and frame filter press 208, mining area production elevator pump 3, mining area industrial water system 4, coal separation small pump 5, wet coal preparation system 6, sludge feed pump 7, Filters pressing branch drain 8, coal slime sediment overflow branch pipe 9.
Fig. 1 is the system connection schematic diagram of embodiment 1.
Fig. 2 is the system connection schematic diagram of embodiment 2.
Fig. 3 is the system connection schematic diagram of embodiment 3.
Fig. 4 is the system connection schematic diagram of embodiment 4.
Fig. 5 is the flow chart of embodiment 5.
Specific embodiment:
Embodiment 1: as shown in Figure 1, mine type coal preparation plant combines water treatment system with mine water comprising treating mine drainage System 1 and coal separation water treatment system 2;
Mine water treatment system 1 includes conditioning tank 101, adjusts 103, two elevator pump 102, mudpan sludge medicaments Pond 104, precipitating elevator pump 105, sludge concentration tank 106, collecting-tank 107, the elevator pump 108 that catchments, intermediate pool 109, intermediate water Elevator pump 110, filter 111, backwash pond 112, backwash water elevator pump 113, disinfecting tank 114, hypochlorous acid generator 115, elevator pump 116 and purification water pool 117 are sterilized;The water outlet of conditioning tank 101 is by adjusting elevator pump 102 and mudpan The sludge water that conditioning tank 101 caches is pumped into mudpan 103 and is precipitated by 103 by pipeline connection, adjusting elevator pump 102 Processing;The medicine outlet in two sludge medicament ponds 104 passes through pipeline connection, two sludge medicament ponds 104 with mudpan 103 The sludge in the sludge water purification agent such as flocculant and flocculating agent acceleration mudpan 103 is added into mudpan 103 respectively Precipitating;For the underflow opening of mudpan 103 by precipitating elevator pump 105 and sludge concentration tank 106 by pipeline connection, sludge is heavy Precipitating underflow water in shallow lake pond 103 is pumped into sludge concentration tank 106 by precipitating elevator pump 105 and carries out first concentration;Sludge By pipeline connection, sludge concentration tank 106 carries out that the overflow generated is concentrated for the first time the overflow port and collecting-tank 107 of concentration basin 106 Water is discharged into the caching of collecting-tank 107;The water outlet of collecting-tank 107 is connected to by catchmenting elevator pump 108 with conditioning tank 101, collecting-tank Caching water in 107 is pumped into conditioning tank 101 by the elevator pump 108 that catchments and is cached;The overflow port of mudpan 103 is in Between pond 109 by pipeline connection, the overflow water that mudpan 103 carries out precipitation process generation delays by intermediate pool 109 It deposits;The water outlet of intermediate pool 109 is connected to by intermediate water elevator pump 110 with the water inlet of filter 111, intermediate pool 109 Interior caching water is pumped into filter 111 by intermediate water elevator pump 110 and is filtered processing;The filtering water outlet of filter 111 With backwash pond 112 by pipeline connection, filter 111 is filtered the drainage of crossing that processing generates and is discharged into backwash pond 112;It crosses By pipeline connection, filter 111 is filtered the sewage that processing generates and is discharged into the outlet of sewer and conditioning tank 101 of filter 111 Conditioning tank 101 is cached;The underflow opening in backwash pond 112 is connected by the water inlet of backwash water elevator pump 113 and filter 111 Logical, the drainage excessively in backwash pond 112 is pumped into filter 111 by backwash water elevator pump 113 and carries out at backwash to filter 111 Reason improves the service life of filter 111;The overflow port and disinfecting tank 114 in backwash pond 112 are secondary by pipeline connection The discharge port and disinfecting tank 114 of chloric acid generator 115 pass through pipeline connection, and the overflow water in backwash pond 112, which is discharged into, to be connect It touches sterilization pool 114 and carries out microbiocidal;The water outlet of disinfecting tank 114 passes through disinfection elevator pump 116 and purification water pool 117 It is connected to, the industrial water purification after the progress microbiocidal of disinfecting tank 114 is pumped into purification water pool 117 by sterilizing elevator pump 116; The water outlet of purification water pool 117 produces elevator pump 3 by mining area and is connected to mining area industrial water system 4, in purification water pool 117 Industrial water purification produces elevator pump 3 by mining area and is pumped into mining area industrial water system 4 for mining area industrial water;Coal preparation plant's water process System 2 includes coal separation circulating water pool 201, coal separation water elevator pump 202, slurry pond 203, two coal slime medicament ponds 204, coal slimes Elevator pump 205, plate indentation charging basket 206, plate press-in material pump 207 and plate and frame filter press 208;The underflow opening of sludge concentration tank 106 is logical It crosses sludge feed pump 7 to be connected to slurry pond 203, the sludge water that sludge concentration tank 106 carries out first concentration generation is logical It crosses sludge feed pump 7 and is pumped into the progress secondary concentration processing of slurry pond 203;The water outlet of coal separation circulating water pool 201 passes through choosing Coal water elevator pump 202 is connected to the water inlet of wet coal preparation system 6, and the caching water in coal separation circulating water pool 201 passes through coal separation water Elevator pump 202 is pumped into wet coal preparation system 6 and is used as coal separation water;The discharge outlet and slurry pond 203 of wet coal preparation system 6 are logical Pipeline connection is crossed, the black water that 6 coal separation of wet coal preparation system generates is squeezed into slurry pond 203 and carried out and sludge concentration tank 106 Carry out the common secondary concentration processing of sludge water of first concentration generation;Wet coal preparation system 6 be wet process dense-medium separation system, Or wet process coal jigging system or wet process table separation system or wet process interference bed Recognition Applied in Coal Preparation System or wet flotation coal separation system Any one of system or wet process spiral separating Recognition Applied in Coal Preparation System;The medicine outlet in coal slime medicament pond 204 passes through with slurry pond 203 Pipeline connection, two coal slime medicament ponds 204 are added the water purification agents such as flocculant and flocculating agent into slurry pond 203 respectively and are accelerated Sludge water and coal slime water sedimentation in slurry pond 203;The underflow opening of slurry pond 203 by coal slime elevator pump 205 with Plate is pressed into charging basket 206 and is connected to, and the secondary concentration underflow water in slurry pond 203 is pumped into plate indentation by coal slime elevator pump 205 Charging basket 206 is cached;The overflow port and coal separation circulating water pool 201 of slurry pond 203 pass through pipeline connection, slurry pond Secondary concentration overflow water in 203 is squeezed into coal separation circulating water pool 201 and is cached, the coal separation water as wet coal preparation system 6 It is recycled;The water outlet of plate indentation charging basket 206 is connected to by plate press-in material pump 207 with the feed inlet of plate and frame filter press 208, plate The secondary concentration underflow water cached in indentation charging basket 206 is pumped into plate and frame filter press 208 by plate press-in material pump 207 and carries out at filters pressing Reason;The filtrate water out and coal separation circulating water pool 201 of plate and frame filter press 208 pass through pipeline connection, the filtrate of plate and frame filter press 208 The pipeline of water out to the pipeline of coal separation circulating water pool 201 and outlet of sewer to the conditioning tank 101 of filter 111 is arranged by filters pressing Water branch pipe 8 is connected to, and the filtrate water that 208 filters pressing of plate and frame filter press processing generates is discharged into 201 conduct of coal separation circulating water pool according to operating condition Coal separation is recycled with water or is discharged into conditioning tank 101 by filters pressing branch drain 8 and cached;The water outlet of purification water pool 117 It is also connected to by coal separation small pump 5 with coal separation circulating water pool 201, coal separation circulating water pool 201 is pumped by coal separation small pump 5 and is used for The alternate source of coal separation water.
Operation instruction:
When wet coal preparation system 6 needs moisturizing: the mine sludge water of underground passes through sludge after the caching of conditioning tank 101 Sedimentation basin 103 carries out precipitation process, and the precipitating underflow water that precipitation process generates is carried out at first concentration by sludge concentration tank 106 Reason;The first concentration underflow water that first concentration generates carries out secondary concentration processing by slurry pond 203;Secondary concentration Handle main water source of the secondary concentration overflow water generated as 6 coal separation water of wet coal preparation system;6 coal separation of wet coal preparation system The black water of generation and first concentration underflow water carry out the secondary concentration overflow water that secondary concentration processing generates jointly and are recycled As coal separation water;The secondary concentration underflow water that secondary concentration processing generates after 208 plate press filtration of plate and frame filter press by generating Coal slime dried, the coal slime after sunning is sold as product;The filtrate water generated after plate press filtration is used as coal separation Water is recycled;Wherein, the sediment overflow water that precipitation process generates carries out purified treatment and uses as mining area industrial water and coal separation The alternate source of water;Filter sewage in first concentration overflow water that first concentration generates, decontamination process is being adjusted Save caching in pond 101;Wherein, mine water treatment system 1 and coal separation water treatment system 2 share the plate in coal separation water treatment system 2 Frame filter press 208;The press filteration system and facility of conventional well water treatment system 1 are eliminated, equipment investment is saved, eliminates simultaneously The sludge of conventional well water treatment system 1 dries place, saves land used cost, avoids mine sludge pollution environment;At mine water The coal slime that reason system 2 and coal separation water treatment system 2 generate, which uniformly dries to sell as product, makes a profit, and avoids the wasting of resources;Mine Sludge water is successively cached in conditioning tank 101, carries out first concentration, in slurry pond 203 in sludge concentration tank 106 Carry out secondary concentration processing, using conditioning tank 101, sludge concentration tank 106, slurry pond 203 volume, improve mine water at The impact resistance of reason system 1 avoids because of underground gushing water amount being more than the processing capacity of mine water treatment system 1, causes superfluous water Amount is unable to get effective purification, and wastewater disposition, environmental pollution accident occurs.
When wet coal preparation system 6 is not required to moisturizing: plate press filtration handles the filtrate water of generation according to the work of operating condition selectivity It is recycled with water for coal separation or is discharged into conditioning tank 101 and cached, the extra water of coal separation water treatment system 2 is passed through into adjusting Pond 101 is cached, and the impact resistance of coal separation water treatment system 2 is improved, and reduction emits pond accident odds, avoids sewage It is excessive, environmental accident is polluted, system structure is flexible, and operating cost is low.
Embodiment 2: as shown in Fig. 2, mine type coal preparation plant combines water treatment system, overall structure and implementation with mine water Example 1 is identical, the difference is that, the underflow opening of sludge concentration tank 106 by sludge feed pump 7 respectively with slurry pond 203 It is connected to the feed inlet of plate and frame filter press 208, sludge concentration tank 106 carries out the sludge water of first concentration generation according to operating condition Slurry pond 203 is pumped by sludge feed pump 7 to carry out at secondary concentration processing and/or the progress filters pressing of plate and frame filter press 208 Reason.
Operation instruction: when because underground gushing water amount it is excessive, sludge concentration tank 106 carries out the sludge water of first concentration generation It is directly entered slurry pond 203 and carries out secondary concentration processing, or enter plate and frame filter press 208 and carry out filters pressing processing, or simultaneously Carry out secondary concentration processing and filters pressing processing respectively into slurry pond 203 and plate and frame filter press 208;Reduce slurry pond 203 and plate and frame filter press 208 processing pressure, improve coal separation water treatment system 2 impact resistance, reduction emit pond accident generation Probability, avoid sewage outflow, pollute environmental accident.
Embodiment 3: as shown in figure 3, mine type coal preparation plant combines water treatment system, overall structure and implementation with mine water Example 1 is identical, the difference is that, the overflow port of slurry pond 203 to the pipeline and sheet frame pressure between coal separation circulating water pool 201 The discharge outlet of filter 208 is connected to the pipeline between filters pressing branch drain 8 by coal slime sediment overflow branch pipe 9;Slurry pond The secondary concentration overflow water that 203 progress secondary concentration processing generate is discharged into the progress of conditioning tank 101 by coal slime sediment overflow branch pipe 9 Caching.
Operation instruction:
Slurry pond 203 carry out secondary concentration processing generate secondary concentration overflow water be directly discharged into conditioning tank 101 into Row caching, reduces the processing pressure of plate and frame filter press 208, improves the impact resistance of coal separation water treatment system 2, and reduction emits pond thing Therefore odds, sewage outflow is avoided, environmental accident is polluted.
Embodiment 4: as shown in figure 4, mine type coal preparation plant combines water treatment system with mine water comprising treating mine drainage System 1 and coal separation water treatment system 2;Mine water treatment system 1 includes conditioning tank 101, adjusts elevator pump 102, mudpan 103, two sludge medicament ponds 104, precipitating elevator pump 105, sludge concentration tank 106, collecting-tank 107, the elevator pump 108 that catchments, in Between pond 109, intermediate water elevator pump 110, filter 111, backwash pond 112, backwash water elevator pump 113, disinfecting tank 114, hypochlorous acid generator 115, disinfection elevator pump 116 and purification water pool 117;The water outlet of conditioning tank 101 is promoted by adjusting Pump 102, by pipeline connection, adjusts elevator pump 102 for the sludge water that conditioning tank 101 caches and is pumped into sludge with mudpan 103 Sedimentation basin 103 carries out precipitation process;The medicine outlet in two sludge medicament ponds 104 passes through pipeline connection with mudpan 103, The sludge water purification agent such as flocculant and flocculating agent is added into mudpan 103 respectively and accelerates sludge in two sludge medicament ponds 104 Sludge settling in sedimentation basin 103;The underflow opening of mudpan 103 is logical by precipitating elevator pump 105 and sludge concentration tank 106 Pipeline connection is crossed, the precipitating underflow water in mudpan 103 is pumped into the progress of sludge concentration tank 106 by precipitating elevator pump 105 First concentration;By pipeline connection, sludge concentration tank 106 carries out just the overflow port and collecting-tank 107 of sludge concentration tank 106 The overflow water that secondary concentration generates is discharged into the caching of collecting-tank 107;The water outlet of collecting-tank 107 passes through elevator pump 108 and the adjusting of catchmenting Pond 101 is connected to, and the caching water in collecting-tank 107 is pumped into conditioning tank 101 by the elevator pump 108 that catchments and is cached;Sludge settling For the overflow port and intermediate pool 109 in pond 103 by pipeline connection, mudpan 103 carries out the overflow water of precipitation process generation It is cached by intermediate pool 109;The water inlet that the water outlet of intermediate pool 109 passes through intermediate water elevator pump 110 and filter 111 It is connected to, the caching water in intermediate pool 109 is pumped into filter 111 by intermediate water elevator pump 110 and is filtered processing;Filter With backwash pond 112 by pipeline connection, filter 111 is filtered the drainage of crossing that processing generates and arranges 111 filtering water outlet Enter backwash pond 112;For the outlet of sewer and conditioning tank 101 of filter 111 by pipeline connection, filter 111 is filtered place The sewage that reason generates is discharged into conditioning tank 101 and is cached;The underflow opening in backwash pond 112 passes through backwash water elevator pump 113 and mistake The water inlet of filter 111 is connected to, and the drainage of crossing in backwash pond 112 is pumped into 111 pairs of mistakes of filter by backwash water elevator pump 113 Filter 111 carries out backwash processing, improves the service life of filter 111;The overflow port and disinfecting tank in backwash pond 112 114 pass through pipeline connection, backwash pond by pipeline connection, the discharge port and disinfecting tank 114 of hypochlorous acid generator 115 Overflow water in 112 is discharged into disinfecting tank 114 and carries out microbiocidal;The water outlet of disinfecting tank 114 is mentioned by disinfection It rises pump 116 to be connected to purification water pool 117, the industrial water purification after the progress microbiocidal of disinfecting tank 114 is promoted by disinfection Pump 116 is pumped into purification water pool 117;The water outlet of purification water pool 117 produces elevator pump 3 and mining area industrial water system by mining area 4 are connected to, and the industrial water purification in purification water pool 117 produces elevator pump 3 by mining area and is pumped into mining area industrial water system 4 for mining area Industrial water;Coal preparation plant's water treatment system 2 include coal separation circulating water pool 201, coal separation water elevator pump 202, slurry pond 203, Two coal slime medicament ponds 204, coal slime elevator pump 205, plate indentation charging basket 206, plate press-in material pump 207 and plate and frame filter press 208;It is dirty The underflow opening of mud thickener 106 passes through the feed inlet with slurry pond 203 and plate and frame filter press 208 respectively of sludge feed pump 7 Connection, the sludge water that sludge concentration tank 106 carries out first concentration generation are pumped into coal slime by sludge feed pump 7 according to operating condition Sedimentation basin 203 carries out secondary concentration processing and/or plate and frame filter press 208 carries out filters pressing processing;The water outlet of coal separation circulating water pool 201 Mouth is connected to by coal separation water elevator pump 202 with the water inlet of wet coal preparation system 6, and the caching water in coal separation circulating water pool 201 is logical It crosses coal separation water elevator pump 202 and is pumped into wet coal preparation system 6 as coal separation water;The discharge outlet and coal slime of wet coal preparation system 6 are heavy By pipeline connection, the black water that 6 coal separation of wet coal preparation system generates squeezes into the progress of slurry pond 203 and sludge in shallow lake pond 203 Concentration basin 106 carries out the common secondary concentration processing of sludge water of first concentration generation;Wet coal preparation system 6 is wet process dense medium Recognition Applied in Coal Preparation System or wet process coal jigging system or wet process table separation system or wet process interference bed Recognition Applied in Coal Preparation System or wet process are floating Select any one of Recognition Applied in Coal Preparation System or wet process spiral separating Recognition Applied in Coal Preparation System;The medicine outlet and slurry pond in coal slime medicament pond 204 203 by pipeline connection, and it is net that flocculant and flocculating agent etc. are added in two coal slime medicament ponds 204 into slurry pond 203 respectively Aqua accelerates sludge water and coal slime water sedimentation in slurry pond 203;The underflow opening of slurry pond 203 is promoted by coal slime Pump 205 is connected to plate indentation charging basket 206, and the secondary concentration underflow water in slurry pond 203 is pumped by coal slime elevator pump 205 Plate indentation charging basket 206 is cached;The overflow port and coal separation circulating water pool 201 of slurry pond 203 pass through pipeline connection, coal slime The overflow port of sedimentation basin 203 to the discharge outlet of pipeline and plate and frame filter press 208 between coal separation circulating water pool 201 to filters pressing drains Pipeline between branch pipe 8 is connected to by coal slime sediment overflow branch pipe 9, the secondary concentration overflow water in slurry pond 203 according to Operating condition is squeezed into coal separation circulating water pool 201 and is cached, and the coal separation as wet coal preparation system 6 is recycled with water, or passes through coal Mud sediment overflow branch pipe 9 is discharged into conditioning tank 101 and is cached;Plate be pressed into charging basket 206 water outlet by plate press-in material pump 207 with The feed inlet of plate and frame filter press 208 is connected to, and the secondary concentration underflow water cached in plate indentation charging basket 206 is pumped by plate press-in material 207, which are pumped into plate and frame filter press 208, carries out filters pressing processing;The filtrate water out and coal separation circulating water pool 201 of plate and frame filter press 208 are logical Pipeline connection is crossed, the filtrate water of plate and frame filter press 208 is exported to the pipeline of coal separation circulating water pool 201 and the sewage of filter 111 The pipeline for being exported to conditioning tank 101 is connected to by filters pressing branch drain 8, the filtrate water that 208 filters pressing of plate and frame filter press processing generates Coal separation circulating water pool 201 is discharged into according to operating condition to be used as coal separation water to be recycled or be discharged into conditioning tank by filters pressing branch drain 8 101 are cached;The water outlet of purification water pool 117 also passes through coal separation small pump 5 and is connected to coal separation circulating water pool 201, passes through choosing Coal small pump 5 is pumped into alternate source of the coal separation circulating water pool 201 for coal separation water.
Operation instruction:
When wet coal preparation system 6 needs moisturizing: the mine sludge water of underground passes through sludge after the caching of conditioning tank 101 Sedimentation basin 103 carries out precipitation process, and the precipitating underflow water that precipitation process generates is carried out at first concentration by sludge concentration tank 106 Reason;The first concentration underflow water that first concentration generates carries out secondary concentration processing by slurry pond 203 according to operating condition And/or 208 plate press filtration of plate and frame filter press;The secondary concentration overflow water that secondary concentration processing generates is as wet coal preparation system 6 The main water source of coal separation water;The black water that 6 coal separation of wet coal preparation system generates carries out secondary jointly with first concentration underflow water The secondary concentration overflow water that concentration generates is recycled as coal separation water or is cached by conditioning tank 101;Secondary concentration The secondary concentration underflow water that processing generates is dried by the coal slime generated after 208 plate press filtration of plate and frame filter press, after sunning Coal slime sold as product;The filtrate water generated after plate press filtration is recycled as coal separation water or passes through conditioning tank 101 cachings;Wherein, the sediment overflow water that precipitation process generates carries out purified treatment as mining area industrial water and coal separation water Alternate source;Filter sewage in first concentration overflow water that first concentration generates, decontamination process is in conditioning tank Caching in 101;Wherein, mine water treatment system 1 and coal separation water treatment system 2 share the sheet frame pressure in coal separation water treatment system 2 Filter 208;The press filteration system and facility of conventional well water treatment system 1 are eliminated, saves equipment investment, while eliminating routine The sludge of mine water treatment system 1 dries place, saves land used cost, avoids mine sludge pollution environment;Treating mine drainage system The coal slime that system 2 and coal separation water treatment system 2 generate, which uniformly dries to sell as product, makes a profit, and avoids the wasting of resources;Mine sludge Water successively cached in conditioning tank 101, is carried out first concentration in sludge concentration tank 106, is carried out in slurry pond 203 Secondary concentration processing, using conditioning tank 101, sludge concentration tank 106, slurry pond 203 volume, improve treating mine drainage system System 1 impact resistance, avoid because underground gushing water amount be more than mine water treatment system 1 processing capacity, cause extra water without Method is effectively purified, and wastewater disposition, environmental pollution accident occurs.
When wet coal preparation system 6 is not required to moisturizing: the first concentration underflow water that first concentration generates can according to operating condition Directly to be handled by plate press filtration, reduce slurry pond 203 processing pressure, plate press filtration processing generate filtrate water and The secondary concentration overflow water that secondary concentration processing generates alternatively be coal separation water according to operating condition and is recycled or is discharged into tune Section pond 101 is cached, and the extra water of coal separation water treatment system 2 is cached by conditioning tank 101, is improved at coal separation water The impact resistance of reason system 2, reduction emit pond accident odds, avoid sewage outflow, pollute environmental accident, system structure Flexibly, operating cost is low.
Embodiment 5: as shown in figure 5, mine type coal preparation plant and mine water process for combined water treatment comprising following steps,
Step 1, the mine sludge water of underground is cached;
Step 2, the mine sludge water cached in the step 1 is subjected to precipitation process;The precipitation process generates heavy Shallow lake overflow water carries out purified treatment, and the purified treatment includes successively filtration treatment and microbiocidal processing;The wherein mistake The filter sewage that filter processing generates is cached jointly with the mine sludge water in the step 1;The microbiocidal The industrial water purification generated after processing is for mining area industrial water and the alternate source of the coal separation water;By the precipitation process The precipitating underflow water of generation carries out first concentration;
Step 3, the mine in the first concentration overflow water first concentration described in step 2 generated and the step 1 Well sludge water is cached jointly;
The first concentration underflow water that the first concentration generates carries out secondary concentration processing, extra first concentration bottom Flowing water carries out filters pressing processing;
Step 4, the secondary concentration overflow water that the processing of secondary concentration described in step 3 generates is used for the use of coal separation production Water;The first concentration underflow water in the black water generated in the coal separation production process and the step 3 carries out two jointly Secondary concentration;
Extra secondary concentration overflow water is cached jointly with the mine sludge water in the step 1;
The secondary concentration underflow water that secondary concentration processing generates is subjected to filters pressing processing;
Step 5, the filtrate water that the processing of filters pressing described in the step 4 generates is used for the water of using of the coal separation production, it is more Remaining filtrate water is cached jointly with the mine sludge water in the step 1;The coal slime that the filters pressing processing generates is dried in the air Shine sale.
Operation instruction: after the mine sludge water of underground is buffered, precipitation process, the precipitating bottom that precipitation process generates first are carried out Flowing water carries out first concentration;The first concentration underflow water that first concentration generates carries out secondary concentration processing;It is secondary dense The secondary concentration overflow water that contracting processing generates is coal separation with carrying out moisturizing;The sediment overflow water that precipitation process generates is purified Processing, the industrial water purification that purified treatment generates is for mining area industrial water and the alternate source of the coal separation water;Secondary concentration The secondary concentration underflow water that processing generates carries out filters pressing processing;Coal separation production black water, filters pressing processing generate filtrate water with First concentration underflow water carries out secondary concentration processing jointly, is recycled as coal separation with water;Filters pressing processing generate coal slime into Row sunning, the coal slime after sunning are sold as product.
When coal separation does not need moisturizing with water or when underground gushing water amount is more than the processing capacity of precipitation process, it will be concentrated for the first time The first concentration underflow water that processing generates directly carries out filters pressing processing, and filtrate water carries out secondary concentration processing, as coal separation water It is recycled, when the water of black water, filtrate water is more than the processing capacity of secondary concentration processing, secondary concentration processing is generated Secondary concentration overflow water and filters pressing processing generate filtrate water cached jointly with mine sludge water;Advantage is: mine Coal slime in sludge water and the black water of coal separation production only carries out filters pressing processing, eliminates the filters pressing of conventional well sludge water System and facility save equipment investment, while the sludge for eliminating conventional well sludge water dries place, saves land used cost, Avoid mine sludge pollution environment;Secondary concentration underflow water directly carries out filters pressing processing, improves the shock resistance energy that coal preparation plant supplies water Power improves the impact resistance that coal preparation plant supplies water;When underground gushing water amount is excessive, caching process, first concentration can be passed through It is cached with the equipment of secondary concentration processing, improves the impact resistance of mine sludge water process, obtain extra mine water Effectively purification avoids that wastewater disposition occurs, and reduce environmental pollution accident.

Claims (9)

1. mine type coal preparation plant combines water treatment system with mine water, which is characterized in that it includes mine water treatment system and choosing The underflow opening of coal water treatment system, the sludge concentration tank of the mine water treatment system passes through sludge feed pump and the coal separation water The slurry pond of processing system is connected to;The water outlet of the purification water pool of the mine water treatment system by coal separation small pump with The coal separation circulating water pool of the coal separation water treatment system is connected to;The filtrate water of the plate and frame filter press of the coal separation water treatment system goes out The conditioning tank of mouth and the mine water treatment system passes through pipeline connection.
2. mine type according to claim 1 coal preparation plant combines water treatment system with treating mine drainage station, which is characterized in that The mine water treatment system include the conditioning tank, adjust elevator pump, mudpan, more than one sludge medicament pond, Precipitate elevator pump, the sludge concentration tank, collecting-tank, the elevator pump that catchments, intermediate pool, intermediate water elevator pump, filter, backwash Pond, backwash water elevator pump, disinfecting tank, hypochlorous acid generator, disinfection elevator pump and the purification water pool;The conditioning tank Water outlet pipeline connection is passed through by the adjusting elevator pump and the mudpan;The medicine outlet in sludge medicament pond Pass through pipeline connection with the mudpan;The underflow opening of the mudpan passes through the precipitating elevator pump and the dirt Mud thickener passes through pipeline connection;The overflow port of the sludge concentration tank and the collecting-tank pass through pipeline connection;It is described to catchment The water outlet in pond is connected to by the elevator pump that catchments with the conditioning tank;The overflow port of the mudpan and the centre Pond passes through pipeline connection;The water outlet of the intermediate pool passes through the water inlet of intermediate the water elevator pump and the filter Connection;The filtering water outlet of the filter and the backwash pond pass through pipeline connection;The outlet of sewer of the filter with The conditioning tank passes through pipeline connection;The underflow opening in the backwash pond passes through the backwash water elevator pump and the filter Water inlet connection;The overflow port and the disinfecting tank in the backwash pond pass through pipeline connection;The hypochlorous acid generator Discharge port and the disinfecting tank pass through pipeline connection;The water outlet of the disinfecting tank passes through the disinfection elevator pump It is connected to the purification water pool;The water outlet of the purification water pool produces elevator pump by mining area and industrial water system in mining area connects It is logical.
3. mine type according to claim 2 coal preparation plant combines water treatment system with treating mine drainage station, which is characterized in that Coal preparation plant's water treatment system includes coal separation circulating water pool, coal separation water elevator pump, the slurry pond, more than one coal Mud medicament pond, coal slime elevator pump, plate indentation charging basket, plate press-in material pump, the plate and frame filter press;The coal separation circulating water pool passes through The coal separation water elevator pump is connected to the water inlet of wet coal preparation system;The discharge outlet and the coal slime of the wet coal preparation system Sedimentation basin passes through pipeline connection;The medicine outlet and the slurry pond in coal slime medicament pond pass through pipeline connection;The coal The underflow opening of mud sedimentation basin is pressed into charging basket with the plate by the coal slime elevator pump and is connected to;The overflow port of the slurry pond Pass through pipeline connection with the coal separation circulating water pool;The water outlet of plate indentation charging basket by the plate press-in material pump with it is described The feed inlet of plate and frame filter press is connected to;The filtrate water out of the plate and frame filter press and the coal separation circulating water pool are connected by pipeline It is logical.
4. mine type according to claim 3 coal preparation plant combines water treatment system with treating mine drainage station, which is characterized in that The discharge outlet of the plate and frame filter press to pipeline and the filter between the coal separation circulating water pool outlet of sewer to institute The pipeline stated between conditioning tank is connected to by filters pressing branch drain.
5. mine type according to claim 4 coal preparation plant combines water treatment system with treating mine drainage station, which is characterized in that The underflow opening of the sludge concentration tank is connected to by the sludge feed pump with the feed inlet of the plate and frame filter press.
6. according to claim 4 or 5, any mine type coal preparation plant combines water treatment system with treating mine drainage station, special Sign is that the overflow port of the slurry pond and the conditioning tank pass through pipeline connection.
7. mine type according to claim 6 coal preparation plant combines water treatment system with treating mine drainage station, which is characterized in that The overflow port of the slurry pond between the coal separation circulating water pool pipeline and the plate and frame filter press discharge outlet extremely Pipeline between the filters pressing branch drain is connected to by coal slime sediment overflow branch pipe.
8. any mine type coal preparation plant combines water process system with treating mine drainage station according to claim 2,3,4,5,7 System, which is characterized in that the wet coal preparation system is that wet process dense-medium separation system or wet process coal jigging system or wet process are shaken Times of bed Recognition Applied in Coal Preparation System or wet process interference bed Recognition Applied in Coal Preparation System or wet flotation Recognition Applied in Coal Preparation System or wet process spiral separating Recognition Applied in Coal Preparation System It anticipates one kind.
9. mine type according to claim 6 coal preparation plant combines water treatment system with treating mine drainage station, which is characterized in that The wet coal preparation system is wet process dense-medium separation system or wet process coal jigging system or wet process table separation system or wet Method interferes any one of bed Recognition Applied in Coal Preparation System or wet flotation Recognition Applied in Coal Preparation System or wet process spiral separating Recognition Applied in Coal Preparation System.
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