CN110921968A - Mine water ammonia nitrogen removal equipment - Google Patents

Mine water ammonia nitrogen removal equipment Download PDF

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Publication number
CN110921968A
CN110921968A CN201910612360.XA CN201910612360A CN110921968A CN 110921968 A CN110921968 A CN 110921968A CN 201910612360 A CN201910612360 A CN 201910612360A CN 110921968 A CN110921968 A CN 110921968A
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backwash
pipe
inlet pipe
water
water outlet
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毕志斌
李国东
赵亚平
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Taiyuan Design And Research Institute Group Co Ltd Of Coal Industry
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Taiyuan Design And Research Institute Group Co Ltd Of Coal Industry
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    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes

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  • 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)
  • Water Treatment By Sorption (AREA)

Abstract

本发明涉及一种矿井水氨氮去除设备，属于污水处理设备技术领域。本发明主要克服传统折点氯化法去除矿井水中氨氮工艺具有运行费用高、出水余氯指标控制困难等缺点。本发明的技术方案是：一种矿井水氨氮去除设备，包括防腐箱体、进水管、出水管、反洗进水管、反洗排水管、反洗进气管、排水管、反洗风机、曝气风机和反洗水泵；所述防腐箱体内腔底部为空腔，所述空腔上方设有若干长柄滤头，所述防腐箱体内腔中长柄滤头上方由下至上依次设有承托层、沸石滤料层和活性炭滤料层，所述活性炭滤料层上方设有不锈钢拦网。本发明与折点氯化法除氨氮技术相比，具有运行可靠、设备运行前后期除氨氮效果稳定、运行费用低、自动化程度高、能耗低等优点。

Figure 201910612360

The invention relates to a mine water ammonia nitrogen removal equipment, belonging to the technical field of sewage treatment equipment. The invention mainly overcomes the disadvantages of the traditional breaking point chlorination process for removing ammonia nitrogen from mine water, such as high operating cost and difficulty in controlling the indicator of residual chlorine in effluent. The technical scheme of the present invention is: a mine water ammonia nitrogen removal equipment, comprising an anti-corrosion box, a water inlet pipe, a water outlet pipe, a backwash water inlet pipe, a backwash drain pipe, a backwash intake pipe, a drain pipe, a backwash fan, and an aeration pipe. Fan and backwash water pump; the bottom of the inner cavity of the anti-corrosion box is a cavity, a plurality of long-handled filter heads are arranged above the cavity, and supports are sequentially arranged above the long-handled filter heads in the inner cavity of the anti-corrosion box from bottom to top layer, zeolite filter material layer and activated carbon filter material layer, and a stainless steel screen is arranged above the activated carbon filter material layer. Compared with the breaking point chlorination method for removing ammonia nitrogen, the invention has the advantages of reliable operation, stable ammonia nitrogen removal effect before and after equipment operation, low operating cost, high degree of automation, low energy consumption and the like.

Figure 201910612360

Description

Mine water ammonia nitrogen removal equipment
Technical Field
The invention discloses ammonia nitrogen removal equipment for mine water, and belongs to the technical field of sewage treatment equipment.
Background
Mine water pollutants discharged in coal mine production contain certain ammonia nitrogen indexes, wherein the ammonia nitrogen indexes are generally 1-5mg/L, but with the increasing strictness of environmental protection policies, water quality indexes after mine water treatment are required to reach class III water standards in surface water environmental quality standards GB3838-2002 by some provinces and cities, so that the ammonia nitrogen pollutants in mine water need to be treated to be less than 1mg/L (ammonia nitrogen is less than or equal to 1 mg/L). At present, the mine water treatment is usually carried out by adopting a 'coagulation + precipitation + filtration' process, the process can remove COD (chemical oxygen demand), SS (suspended solids) and part of petroleum indexes in the mine water, but the process has no removing effect on soluble ammonia nitrogen, so that the ammonia nitrogen index in the mine water outlet water is more than 1 mg/L. The method is a breakpoint chlorination method aiming at a common method in the engineering for removing ammonia nitrogen in mine water, has the advantages of low investment, stable treatment effect and the like, but has the defects of high operating cost and difficult control of residual chlorine index of effluent.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides novel mine water ammonia nitrogen removal equipment, and solves the technical problems of high operation cost, difficult control of effluent residual chlorine indexes and the like in the existing mine water ammonia nitrogen removal process.
The invention realizes the purpose through the following technical scheme:
a mine water ammonia nitrogen removal device comprises an anti-corrosion box body, a water inlet pipe, a water outlet pipe, a backwashing water inlet pipe, a backwashing water drain pipe, a backwashing air inlet pipe, an aeration air inlet pipe, a water drain pipe, a backwashing fan, an aeration fan and a backwashing water pump; control valves are arranged on the water inlet pipe, the water outlet pipe, the backwashing water inlet pipe, the backwashing water outlet pipe, the aeration air inlet pipe, the backwashing air inlet pipe and the water outlet pipe;
the bottom of the inner cavity of the anti-corrosion box body is a cavity, a plurality of long-handle filter heads are arranged above the cavity, a bearing layer, a zeolite filter material layer and an active carbon filter material layer are sequentially arranged above the long-handle filter heads in the inner cavity of the anti-corrosion box body from bottom to top, and a stainless steel blocking net is arranged above the active carbon filter material layer; a single-hole membrane aerator is arranged in the supporting layer and is communicated with an aeration fan through an aeration air inlet pipe;
a backwashing drainage channel is arranged on one side of the upper part of the anti-corrosion box body, a filtered water outlet channel is arranged on the outer side of the backwashing drainage channel, the upper part of the backwashing drainage channel and the upper part of the filtered water outlet channel are communicated with the upper part of the inner cavity of the anti-corrosion box body, a backwashing drainage weir is arranged between the upper part of the backwashing drainage channel and the inner cavity of the anti-corrosion box body, a filtered water outlet weir is arranged between the backwashing drainage channel and the filtered water outlet channel, and the height of the filtered water outlet weir is higher than that; a backwashing water outlet is formed in the bottom of the backwashing water outlet channel and is connected with a backwashing water outlet pipe, a water outlet hole is formed in the bottom of the filtering water outlet channel and is connected with a water outlet pipe;
two normally closed maintenance manholes are arranged on the side wall of the bottom of the inner cavity of the anti-corrosion box body, a water inlet hole, a backwashing air inlet hole and an aeration air inlet hole are arranged at the bottom of the side wall of one side of the anti-corrosion box body, and a backwashing water inlet hole and a water outlet hole are arranged at the bottom of the side wall of the other side of the anti-corrosion box body; the water inlet hole is connected with a water inlet pipe; one end of the backwashing air inlet pipe extends into a cavity at the bottom of the inner cavity of the anti-corrosion box body from the backwashing air inlet hole, and the other end of the backwashing air inlet pipe is connected with a backwashing fan; one end of the aeration air inlet pipe extends into the anti-corrosion box body from the aeration air inlet hole and is connected with the single-hole membrane aerator, and the other end of the aeration air inlet pipe is connected with the aeration fan; one end of the backwashing water inlet pipe extends into a cavity at the bottom of the inner cavity of the anti-corrosion box body from a backwashing water inlet hole, and the other end of the backwashing water inlet pipe is connected with a backwashing water pump; the drain pipe is connected with the drain hole;
and a plurality of air distribution branch pipes are arranged on two sides of the pipe body of the backwashing air inlet pipe extending into the cavity at the bottom of the inner cavity of the anti-corrosion box body, and a plurality of air distribution holes are arranged on the air distribution branch pipes.
Further, the thickness of the bearing layer is 300-400 mm; the thickness of the zeolite filter material layer is 1.5-2.5m, the particle size of the zeolite filter material is 2-6mm, and the indexes of the zeolite filter material are as follows: II grade products (environment-friendly light industrial grade) or NH4+ exchange capacity is more than or equal to 100-140mmol/100g + - (-, the total amount of the zeolite is 46-65%); the active carbon filter material layer is columnar coal active carbon, the thickness of the active carbon filter material layer is 1-1.5m, and the diameter of the columnar coal active carbon is as follows: 4-6mm, length: 4-10mm, iodine adsorption value more than or equal to 900mg/g, specific surface area as follows: 900-1100m2Per g, less than 10% of water, more than 90% of strength and 0.35-0.55g/cm of packing density3。
Further, the filtration speed of the equipment is designed to be 5m/h-6 m/h; designing the empty bed residence time to be 20-30 min; the aeration steam-water ratio is controlled to be 0.5: 1-1.5: 1.
According to the invention, the zeolite filter material layer and the activated carbon filter material layer are arranged, two treatment processes of selective ion adsorption exchange and biodegradation of zeolite filler and activated carbon to ammonia nitrogen are combined in the same reactor, and micro aeration is carried out in the filter chamber in the operation process, so that a large amount of biological membranes grow on the surfaces of the zeolite and activated carbon filter materials filled in the equipment. The characteristics that the zeolite filter material has strong selective ion adsorption and exchange capacity on ammonia nitrogen are fully utilized at the initial operation stage of the equipment, so that the ammonia nitrogen in the mine water can be removed, and the problems that the biological membrane is not successfully cultured at the initial operation stage of the equipment and the ammonia nitrogen index is difficult to remove are solved; after the biological membrane in the equipment is successfully cultured, when water flows through, the characteristics of oxidative decomposition of high-concentration active microorganisms in the biological membrane attached to the filter material and small particle size of the filter material are utilized, so that the biological metabolism, biological flocculation, physical adsorption and interception of the biological membrane and the filler and the graded predation effect of a food chain in the reactor along the water flow direction are fully exerted, and the pollutants are efficiently removed. Compared with the technology for removing ammonia nitrogen by a breakpoint chlorination method, the method has the advantages of reliable operation, stable ammonia nitrogen removal effect before and after equipment operation, low operation cost, high automation degree, low energy consumption and the like.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
Detailed Description
The invention is described in further detail below with reference to the figures and examples.
As shown in fig. 1 and fig. 2, the mine water ammonia nitrogen removal device in the embodiment comprises an anti-corrosion box body 1, a water inlet pipe 2, a water outlet pipe 3, a backwashing water inlet pipe 4, a backwashing water outlet pipe 5, a backwashing air inlet pipe 6, an aeration air inlet pipe 17, a water outlet pipe 7, a backwashing fan 8, an aeration fan 9 and a backwashing water pump 10; control valves are arranged on the water inlet pipe 2, the water outlet pipe 3, the backwashing water inlet pipe 4, the backwashing water outlet pipe 5, the aeration air inlet pipe 17, the backwashing air inlet pipe 6 and the water outlet pipe 7;
the bottom of the inner cavity of the anticorrosion box body 1 is a cavity, a plurality of long-handle filter heads 11 are arranged above the cavity, a bearing layer 12, a zeolite filter material layer 13 and an active carbon filter material layer 14 are sequentially arranged above the long-handle filter heads 11 in the inner cavity of the anticorrosion box body 1 from bottom to top, and a stainless steel barrier net 15 is arranged above the active carbon filter material layer 14; a single-hole membrane aerator 16 is arranged in the supporting layer 12, and the single-hole membrane aerator 16 is communicated with the aeration fan 9 through an aeration air inlet pipe 17;
a backwashing water outlet channel 18 is arranged on one side of the upper part of the anti-corrosion box body 1, a filtered water outlet channel 19 is arranged on the outer side of the backwashing water outlet channel 18, the upper part of the backwashing water outlet channel 18 and the upper part of the filtered water outlet channel 19 are communicated with the upper part of the inner cavity of the anti-corrosion box body 1, a backwashing water outlet weir 20 is arranged between the upper part of the backwashing water outlet channel 18 and the inner cavity of the anti-corrosion box body 1, a filtered water outlet weir 21 is arranged between the backwashing water outlet channel 18 and the filtered water outlet channel 19, and the height of the filtered water; a backwashing water drain hole 22 is formed in the bottom of the backwashing water drain channel 18, the backwashing water drain hole 22 is connected with a backwashing water drain pipe 5, a water outlet hole 23 is formed in the bottom of the filtered water outlet channel 19, and the water outlet hole 23 is connected with the water outlet pipe 3;
two normally closed type inspection manholes 24 are arranged on the side wall of the bottom of the inner cavity of the anticorrosion box body 1, a water inlet 25, a backwashing air inlet 26 and an aeration air inlet 30 are arranged at the bottom of the side wall of one side of the anticorrosion box body 1, and a backwashing water inlet 27 and a water outlet 28 are arranged at the bottom of the side wall of the other side of the anticorrosion box body 1; the water inlet hole 25 is connected with the water inlet pipe 2; one end of the backwashing air inlet pipe 6 extends into a cavity at the bottom of the inner cavity of the anti-corrosion box body 1 through a backwashing air inlet hole 26, and the other end of the backwashing air inlet pipe 6 is connected with a backwashing fan 8; one end of the aeration air inlet pipe 17 extends into the anticorrosive box body 1 from an aeration air inlet hole 30 to be connected with the single-hole membrane aerator 16, and the other end of the aeration air inlet pipe 17 is connected with the aeration fan 9; one end of the backwashing water inlet pipe 4 extends into a cavity at the bottom of the inner cavity of the anti-corrosion box body 1 through a backwashing water inlet hole 27, and the other end of the backwashing water inlet pipe 4 is connected with a backwashing water pump 10; the drain pipe 7 is connected with the drain hole 28;
and a plurality of air distribution branch pipes 29 are arranged on two sides of the pipe body of the backwashing air inlet pipe 6 extending into the cavity at the bottom of the inner cavity of the anti-corrosion box body 1, and a plurality of air distribution holes are arranged on the air distribution branch pipes 29.
Further, the thickness of the supporting layer 12 is 300-400 mm; the zeolite filterThe thickness of the material layer 13 is 1.5-2.5m, the grain size of the zeolite filter material is 2-6mm, and the indexes of the zeolite filter material are as follows: II grade products (environment-friendly light industrial grade) or NH4+ exchange capacity is more than or equal to 100-140mmol/100g + - (-, the total amount of the zeolite is 46-65%); the activated carbon filter material layer 14 is columnar coal activated carbon, the thickness of the activated carbon filter material layer 14 is 1-1.5m, and the diameter of the columnar coal activated carbon is as follows: 4-6mm, length: 4-10mm, iodine adsorption value more than or equal to 900mg/g, specific surface area as follows: 900-1100m2Per g, less than 10% of water, more than 90% of strength and 0.35-0.55g/cm of packing density3。
Further, the filtration speed of the equipment is designed to be 5m/h-6 m/h; designing the empty bed residence time to be 20-30 min; the aeration steam-water ratio is controlled to be 0.5: 1-1.5: 1.
The working process of the invention is as follows:
when the equipment normally operates, mine water enters a cavity at the bottom of an inner cavity of the anti-corrosion box body 1 through the water inlet pipe 2, is distributed by the long-handle filter head 11 and then is discharged after sequentially passing through the supporting layer 12, the zeolite filter material layer 13, the activated carbon filter material layer 14, the stainless steel barrier net 15, the filtering water outlet weir 21, the filtering water outlet channel 19 and the water outlet pipe 3, and when the mine water flows through the equipment, the aeration fan 9 performs micro-aeration through the aeration air inlet pipe 17 and the single-hole membrane aerator 16 according to air demand, so that the air demand required by the normal operation of the system is met. And control valves arranged on the backwashing air inlet pipe 6, the backwashing water outlet pipe 5 and the backwashing water inlet pipe 4 are in a closed state during normal operation.
The backwashing adopts gas-water combined backwashing, namely gas washing, gas-water combined washing and rinsing with clear water. During air washing, control valves arranged on the water inlet pipe 2, the water outlet pipe 3, the backwashing water inlet pipe 4 and the backwashing water outlet pipe 5 are in a closed state, valves on the backwashing air inlet pipe 6 are in an open state, and a backwashing fan 8 is started to supply air to the equipment for air washing; after the air washing is carried out for 3-4min, the backwashing water pump 10, the backwashing water inlet pipe 4 and the backwashing water outlet pipe 5 are started to carry out air-water combined backwashing on the equipment for 4-5 min; after the air-water combined backwashing is finished, a valve at the backwashing air inlet pipe 6 and a backwashing fan 8 are closed, the equipment is rinsed by clear water for 6-8min, finally, a backwashing water pump 10 and related valves are closed, and valves arranged at the water inlet pipe 2 and the water outlet pipe 3 are opened simultaneously, so that the equipment enters a normal filtering state. The strength of air washing is 12-15L/m2S, washing intensity of 4-6L/m2.s。
As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (3)

1.一种矿井水氨氮去除设备，其特征在于：包括防腐箱体(1)、进水管(2)、出水管(3)、反洗进水管(4)、反洗排水管(5)、反洗进气管(6)、曝气进气管(17)、排水管(7)、反洗风机(8)、曝气风机(9)和反洗水泵(10)；所述进水管(2)、出水管(3)、反洗进水管(4)、反洗排水管(5)、曝气进气管(17)、反洗进气管(6)和排水管(7)上均安装有控制阀门；1. An equipment for removing ammonia nitrogen from mine water, characterized in that it comprises an anti-corrosion box (1), a water inlet pipe (2), a water outlet pipe (3), a backwash water inlet pipe (4), a backwash drain pipe (5), Backwash air intake pipe (6), aeration air intake pipe (17), drain pipe (7), backwash fan (8), aeration fan (9) and backwash water pump (10); the water inlet pipe (2) , the water outlet pipe (3), the backwash water inlet pipe (4), the backwash drain pipe (5), the aeration inlet pipe (17), the backwash inlet pipe (6) and the drain pipe (7) are equipped with control valves ; 所述防腐箱体(1)内腔底部为空腔，所述空腔上方设有若干长柄滤头(11)，所述防腐箱体(1)内腔中长柄滤头(11)上方由下至上依次设有承托层(12)、沸石滤料层(13)和活性炭滤料层(14)，所述活性炭滤料层(14)上方设有不锈钢拦网(15)；所述承托层(12)中设有单孔膜曝气器(16)，所述单孔膜曝气器(16)通过曝气进气管(17)与曝气风机(9)连通；The bottom of the inner cavity of the anti-corrosion box (1) is a cavity, a plurality of long-handled filter heads (11) are arranged above the cavity, and above the long-handled filter heads (11) in the inner cavity of the anti-corrosion box (1) A support layer (12), a zeolite filter material layer (13) and an activated carbon filter material layer (14) are arranged in sequence from bottom to top, and a stainless steel screen (15) is arranged above the activated carbon filter material layer (14); A single-hole membrane aerator (16) is provided in the support layer (12), and the single-hole membrane aerator (16) communicates with the aeration fan (9) through the aeration air intake pipe (17); 所述防腐箱体(1)上部一侧设有反洗排水渠(18)，所述反洗排水渠(18)外侧设有过滤水出水渠(19)，所述反洗排水渠(18)上部、过滤水出水渠(19)上部与防腐箱体(1)内腔上部连通，所述反洗排水渠(18)上部与防腐箱体(1)内腔之间设有反洗排水堰(20)，所述反洗排水渠(18)和过滤水出水渠(19)之间设有过滤水出水堰(21)，所述过滤水出水堰(21)的高度高于反洗排水堰(20)的高度；所述反洗排水渠(18)底部设有反洗排水孔(22)，所述反洗排水孔(22)与反洗排水管(5)连接，所述过滤水出水渠(19)底部设有出水孔(23)，所述出水孔(23)与出水管(3)连接；A backwash drain (18) is provided on the upper side of the anti-corrosion box (1), a filtered water outlet (19) is provided on the outer side of the backwash drain (18), and the backwash drain (18) The upper part and the upper part of the filtered water outlet channel (19) are communicated with the upper part of the inner cavity of the anti-corrosion box (1), and a back-wash drainage weir ( 20), between the backwash drainage channel (18) and the filtered water outlet channel (19), there is a filtered water outlet weir (21), and the height of the filtered water outlet weir (21) is higher than the backwash drainage weir ( 20) height; the backwash drain hole (22) is provided at the bottom of the backwash drain channel (18), the backwash drain hole (22) is connected with the backwash drain pipe (5), and the filtered water outlet channel (19) A water outlet hole (23) is provided at the bottom, and the water outlet hole (23) is connected with the water outlet pipe (3); 所述防腐箱体(1)内腔底部的侧壁上设有两个常闭式检修人孔(24)，所述防腐箱体(1)一侧侧壁底部设有进水孔(25)、反洗进气孔(26)和曝气进气孔(30)，所述防腐箱体(1)另一侧侧壁底部设有反洗进水孔(27)和排水孔(28)；所述进水孔(25)与进水管(2)连接；所述反洗进气管(6)一端由反洗进气孔(26)伸入防腐箱体(1)内腔底部的空腔中，所述反洗进气管(6)另一端与反洗风机(8)连接；所述曝气进气管(17)一端由曝气进气孔(30)伸入防腐箱体(1)内与单孔膜曝气器(16)连接，所述曝气进气管(17)另一端与曝气风机(9)连接；所述反洗进水管(4)的一端由反洗进水孔(27)伸入防腐箱体(1)内腔底部的空腔中，所述反洗进水管(4)的另一端与反洗水泵(10)连接；所述排水管(7)与排水孔(28)连接；Two normally closed maintenance manholes (24) are arranged on the side wall of the bottom of the inner cavity of the anti-corrosion box (1), and water inlet holes (25) are arranged on the bottom of one side wall of the anti-corrosion box (1). , the backwash air inlet (26) and the aeration air inlet (30), the anti-corrosion box (1) is provided with a backwash water inlet (27) and a drainage hole (28) at the bottom of the side wall of the other side; The water inlet hole (25) is connected with the water inlet pipe (2); one end of the backwash air inlet pipe (6) extends into the cavity at the bottom of the inner cavity of the anti-corrosion box (1) through the backwash air inlet hole (26). The other end of the backwash inlet pipe (6) is connected to the backwash fan (8); one end of the aeration inlet pipe (17) extends into the anti-corrosion box (1) through the aeration inlet hole (30) to communicate with The single-hole membrane aerator (16) is connected, and the other end of the aeration air inlet pipe (17) is connected with the aeration fan (9); one end of the backwash water inlet pipe (4) is connected by the backwash water inlet hole (27). ) into the cavity at the bottom of the inner cavity of the anti-corrosion box (1), the other end of the backwash water inlet pipe (4) is connected to the backwash water pump (10); the drain pipe (7) is connected to the drain hole (28) )connect; 所述反洗进气管(6)伸入防腐箱体(1)内腔底部的空腔中的管体的两侧设有若干配气支管(29)，所述配气支管(29)上设有若干配气孔。A plurality of gas distribution branch pipes (29) are provided on both sides of the backwash air inlet pipe (6) extending into the cavity at the bottom of the inner cavity of the anti-corrosion box (1), and the air distribution branch pipes (29) are provided with a plurality of air distribution branch pipes (29). There are several distribution holes. 2.根据权利要求1所述的一种矿井水氨氮去除设备，其特征在于：所述承托层(12)厚度为300～400mm；所述沸石滤料层(13)厚度为1.5-2.5m，沸石滤料粒径为2-6mm，沸石滤料指标为：II级品或NH4+交换量≥100-140mmol/100g±；活性炭滤料层(14)中为柱状煤质活性炭，活性炭滤料层(14)厚度为1-1.5m，所述柱状煤质活性炭的直径为：4-6mm、长度为：4-10mm、碘吸附值≥900mg/g、比表面积为：900-1100m2/g、水分小于10％、强度大于90％、充填密度为0.35-0.55g/cm3。2 . The mine water ammonia nitrogen removal device according to claim 1 , wherein the thickness of the supporting layer ( 12 ) is 300-400 mm; the thickness of the zeolite filter material layer ( 13 ) is 1.5-2.5 m 2 . , the particle size of the zeolite filter material is 2-6mm, and the index of the zeolite filter material is: Class II product or NH4+ exchange volume ≥100-140mmol/100g±; the activated carbon filter material layer (14) is columnar coal-based activated carbon, and the activated carbon filter material layer (14) The thickness is 1-1.5m, the diameter of the columnar coal-based activated carbon is: 4-6mm, the length is: 4-10mm, the iodine adsorption value is ≥900mg/g, the specific surface area is: 900-1100m 2 /g, The moisture content is less than 10%, the strength is more than 90%, and the packing density is 0.35-0.55g/cm 3 . 3.根据权利要求1所述的一种矿井水氨氮去除设备，其特征在于：所述设备设计滤速为5m/h-6m/h；设计空床停留时间20-30min；曝气汽水比控制为0.5∶1-1.5∶1。3. a kind of mine water ammonia nitrogen removal equipment according to claim 1, is characterized in that: described equipment design filtration speed is 5m/h-6m/h; Design empty bed residence time 20-30min; Aeration steam-water ratio control 0.5:1-1.5:1.
CN201910612360.XA 2019-07-03 2019-07-03 Mine water ammonia nitrogen removal equipment Pending CN110921968A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111498846A (en) * 2020-04-30 2020-08-07 珠海格力电器股份有限公司 Active carbon filter material and preparation method thereof
CN112047577A (en) * 2020-09-10 2020-12-08 煤炭工业太原设计研究院集团有限公司 A treatment system and process for high turbidity coal mine underground water reaching surface III
CN114949931A (en) * 2021-11-12 2022-08-30 昆明理工大学 Adsorption material desorption device

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CN207347242U (en) * 2017-10-13 2018-05-11 广州市华绿环保科技有限公司 A kind of double filtering layer aeration biological filter devices
CN210764849U (en) * 2019-07-03 2020-06-16 煤炭工业太原设计研究院集团有限公司 Mine water ammonia nitrogen removal equipment

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CN207347242U (en) * 2017-10-13 2018-05-11 广州市华绿环保科技有限公司 A kind of double filtering layer aeration biological filter devices
CN210764849U (en) * 2019-07-03 2020-06-16 煤炭工业太原设计研究院集团有限公司 Mine water ammonia nitrogen removal equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111498846A (en) * 2020-04-30 2020-08-07 珠海格力电器股份有限公司 Active carbon filter material and preparation method thereof
CN112047577A (en) * 2020-09-10 2020-12-08 煤炭工业太原设计研究院集团有限公司 A treatment system and process for high turbidity coal mine underground water reaching surface III
CN114949931A (en) * 2021-11-12 2022-08-30 昆明理工大学 Adsorption material desorption device
CN114949931B (en) * 2021-11-12 2024-04-05 昆明理工大学 Desorbing device for adsorption material

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