CN210237322U - Mine water recycling treatment system - Google Patents

Mine water recycling treatment system Download PDF

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Publication number
CN210237322U
CN210237322U CN201921021175.5U CN201921021175U CN210237322U CN 210237322 U CN210237322 U CN 210237322U CN 201921021175 U CN201921021175 U CN 201921021175U CN 210237322 U CN210237322 U CN 210237322U
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tank
sludge
water
reaction
treatment system
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CN201921021175.5U
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Xingwei Huang
黄兴伟
Xiaoli Bai
白晓丽
Yanwen Ma
马衍文
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Qingdao Shichuang Environment Engineering Co ltd
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Qingdao Shichuang Environment Engineering Co ltd
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Abstract

The utility model discloses a mine water recycling treatment system, which comprises a grid pond, a horizontal flow type pre-settling pond, a first reaction pond, a second reaction pond, an inclined tube sedimentation pond, a middle water pond, a gravity valveless filter pond, a clean water pond and a sludge pond; the horizontal flow type pre-settling tank is connected with the first reaction tank through a lifting pump, the first reaction tank, the second reaction tank, the inclined tube sedimentation tank and the middle water tank are sequentially connected through a pipeline, the middle water tank is connected with the gravity valveless filter through the lifting pump, the gravity valveless filter is connected with the clean water tank through a water outlet pipe, and the horizontal flow type pre-settling tank and the inclined tube sedimentation tank are further connected to a sludge tank. The utility model has the advantages of simple structure, high treatment efficiency, low cost and capability of realizing the recycling of mine water, water saving resource and the like.

Description

Mine water recycling treatment system
Technical Field
The utility model relates to a colliery drainage purification treatment technical field, in particular to mine water recycling processing system.
Background
Coal is a foundation stone for energy safety in China. The energy structure taking coal as a main body in China cannot be changed within a period of time. According to a statistical bulletin for national economic and social development in 2017 published by the national statistical office in 2018, 2, 28 and 2017, the yield of raw coal in China is 35.2 hundred million tons, which is increased by 3.3 percent on year-by-year basis. Mine water pollution is one of the main pollutants in the coal mining process. The mine water refers to all water penetrating into an underground mining space in the coal mining process. According to incomplete statistics, in the coal mining process, the water of mine drainage wells in coal mines all over the country is about 22 hundred million square meters, and the average water inflow per ton of coal is about 4 square meters. On one hand, as the mine water contains a large amount of suspended substances, salt and other substances, and the indexes of chroma, turbidity, COD and SS in the mine water all seriously exceed the national discharge standard, the ecological environment is damaged due to random discharge; on the other hand, the random discharge of mine water also causes the waste of water resources. Therefore, the mine water is imperatively treated.
CN1884145 discloses a mine water treatment device, which comprises: a pre-settling tank, a coagulating sedimentation tank, an adsorbent hydrolysis adsorption tank, an adsorption sedimentation tank and a pH value adjusting tank. The patent mainly realizes the treatment of mine water through coagulating sedimentation. However, the adsorbent hydrolysis adsorption tank and the adsorption precipitation tank in the patent are provided with adsorption fillers, and the fillers cannot be regenerated after being adsorbed and saturated and can only be treated as hazardous waste, so that serious environmental sewage and economic loss are caused.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a mine water recycling treatment system that simple structure, treatment effeciency is high, and with low costs and can long-term steady operation. In order to realize the aim, the utility model provides a mine water recycling treatment system, which comprises a grid pond, a horizontal flow type pre-sedimentation tank, a reaction tank I, a reaction tank II, an inclined tube sedimentation tank, a middle water tank, a gravity valveless filter, a clean water tank and a sludge tank; the horizontal flow type pre-settling tank is internally provided with a travelling crane type pump suction sludge discharge machine and is connected with a first reaction tank through a lifting pump, the first reaction tank, the second reaction tank, an inclined tube sedimentation tank and an intermediate water tank are sequentially connected through a pipeline, the first reaction tank is provided with a coagulant adding device, the second reaction tank is provided with a coagulant adding device, the first reaction tank and the second reaction tank are internally provided with stirring devices, the inclined tube sedimentation tank is internally provided with a sludge pump, the intermediate water tank is connected with a gravity valveless filter through the lifting pump, the gravity valveless filter is connected with a clean water tank through a water outlet pipe, the clean water tank is provided with a chlorine dioxide generator, the horizontal flow type pre-settling tank and the inclined tube sedimentation tank are connected to a sludge tank through pipelines, and the sludge tank is provided with a sludge treatment device.
Further, a rotary type grating is arranged in the grating tank.
Furthermore, the coagulant agent adding device and the coagulant aid adding device are single-barrel two-pump type skid-mounted, and a stirrer is mounted at the top of the barrel.
Further, agitating unit includes agitator motor, (mixing) shaft and double-deck stirring vane, and agitator motor sets up at the top of reaction tank, (mixing) shaft and agitator motor output shaft, and double-deck stirring vane installs on the (mixing) shaft.
Furthermore, floating ball liquid level switches are arranged in the horizontal flow type pre-sedimentation tank and the middle water tank.
Further, the sludge treatment device comprises a sludge screw pump and a plate-and-frame filter press, wherein one end of the sludge screw pump is communicated with the sludge tank, the other end of the sludge screw pump is communicated with the plate-and-frame filter press, and the plate-and-frame filter press is connected with the horizontal flow type pre-sedimentation tank through a return pipe.
Furthermore, a turbidity meter is arranged on a pipeline between the gravity valveless filter and the clean water tank.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1, a grating tank, 2, a rotary grating, 3, a travelling pump suction mud discharge machine, 4, a horizontal flow type pre-settling tank, 5, a pre-settling tank lifting pump, 6, a first reaction tank, 7, a second reaction tank, 8, a stirring device, 9, a coagulant adding device, 10, a coagulant aid adding device, 11, an inclined tube sedimentation tank, 12, a sedimentation tank sludge pump, 13, an intermediate water tank, 14, an intermediate water tank lifting pump, 15, a gravity valveless filter tank, 16, a clean water tank, 17, a chlorine dioxide generator, 18, a sludge tank, 19, a sludge screw pump, 20 and a plate and frame filter press.
[ detailed description ] embodiments
Referring to the attached drawing 1 of the specification, the utility model relates to a mine water recycling treatment system, which comprises a grid tank 1, a horizontal flow type pre-sedimentation tank 4, a reaction tank I6, a reaction tank II 7, an inclined tube sedimentation tank 11, an intermediate water tank 13, a gravity valveless filter 15, a clear water tank 16 and a sludge tank 18; mine water flows in from one side of the grating tank 1, flows through the rotary grating 2, automatically flows into the horizontal flow type pre-settling tank 4 after large-volume floating objects are filtered, suspended impurities with large specific gravity are settled at the bottom of the tank under the action of gravity, and are pumped to the sludge tank 18 through the travelling type pump suction dredge 3, and supernatant is pumped to the reaction zone I6 through the pre-settling tank lifting pump 5. The sewage entering the first reaction tank 6 reacts with the coagulant added by the coagulant adding device 9 to generate a large amount of flocs, and then automatically flows into the second reaction tank 7. The incoming water reacts with the coagulant aid added by the coagulant aid dosing device 10 to generate large flowers, and then automatically flows into the inclined tube sedimentation tank 11. And stirring devices 8 are respectively arranged in the first reaction tank 6 and the second reaction tank 7, so that the mixing speed of the medicament and the sewage is accelerated, and the reaction time is shortened. The effluent of the second reaction tank 7 automatically flows into an inclined tube sedimentation tank 11, the inclined tube sedimentation tank is divided into a series of shallow sedimentation tanks by inclined honeycomb fillers, the sedimentation area of the sedimentation tank is increased, flocs are settled at the bottom, the supernatant automatically flows into an intermediate water tank 13, and a sedimentation tank sludge pump 12 is installed at the bottom of the inclined tube sedimentation tank 11 and pumps sludge to a sludge tank 18. After the sewage stays in the middle water tank 13 for a short time, the sewage is pumped to the gravity valveless filter 15 by the middle water tank lifting pump 14, the sewage is filtered to remove fine substances suspended in the water, the effluent automatically flows into the clean water tank 16, a turbidity meter (not shown in the figure) is arranged on a pipeline between the gravity valveless filter 15 and the clean water tank 16, and the quality of the purified water is judged by the turbidity meter. The clean water tank 16 is connected with a chlorine dioxide generator 17, and can disinfect and sterilize water to ensure that sewage reaches the reuse water standard. Sludge in the sludge pool 18 is pumped to a plate-and-frame filter press 20 through a sludge screw pump 19 for filter pressing and dehydration, the dehydrated sludge is transported to a power plant to be used as fuel, and filtrate enters the horizontal flow type pre-settling tank 4 through a return pipe, so that secondary pollution is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (7)

1. A mine water recycling treatment system is characterized in that: comprises a grating tank, a horizontal flow type pre-sedimentation tank, a reaction tank I, a reaction tank II, an inclined tube sedimentation tank, an intermediate water tank, a gravity valveless filter tank, a clean water tank and a sludge tank; the horizontal flow type pre-settling tank is internally provided with a travelling crane type pump suction sludge discharge machine and is connected with a first reaction tank through a lifting pump, the first reaction tank, the second reaction tank, an inclined tube sedimentation tank and an intermediate water tank are sequentially connected through a pipeline, the first reaction tank is provided with a coagulant adding device, the second reaction tank is provided with a coagulant adding device, the first reaction tank and the second reaction tank are internally provided with stirring devices, the inclined tube sedimentation tank is internally provided with a sludge pump, the intermediate water tank is connected with a gravity valveless filter through the lifting pump, the gravity valveless filter is connected with a clean water tank through a water outlet pipe, the clean water tank is provided with a chlorine dioxide generator, the horizontal flow type pre-settling tank and the inclined tube sedimentation tank are connected to a sludge tank through pipelines, and the sludge tank is provided with a sludge treatment device.
2. The mine water reuse treatment system according to claim 1, wherein a rotary type grating is disposed in the grating tank.
3. The mine water recycling treatment system according to claim 1, wherein the coagulant dosing device and the coagulant aid dosing device are skid-mounted in a single barrel and two pumps, and a stirrer is mounted at the top of the barrel.
4. The mine water recycling treatment system according to claim 1, wherein the stirring device comprises a stirring motor, a stirring shaft and a double-layer stirring blade, the stirring motor is arranged at the top of the reaction tank, the stirring shaft is connected with an output shaft of the stirring motor, and the double-layer stirring blade is arranged on the stirring shaft.
5. The mine water reuse treatment system according to claim 1, wherein floating ball level switches are disposed in the horizontal flow type pre-sedimentation tank and the intermediate water tank.
6. The mine water recycling treatment system according to claim 1, wherein the sludge treatment device comprises a sludge screw pump and a plate-and-frame filter press, one end of the sludge screw pump is communicated with the sludge tank, the other end of the sludge screw pump is communicated with the plate-and-frame filter press, and the plate-and-frame filter press is connected with the horizontal flow type pre-sedimentation tank through a water return pipe.
7. The mine water reuse treatment system according to claim 1, wherein a turbidity meter is installed in a pipeline between the gravity valveless filter and the clean water tank.
CN201921021175.5U 2019-07-03 2019-07-03 Mine water recycling treatment system Active CN210237322U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921021175.5U CN210237322U (en) 2019-07-03 2019-07-03 Mine water recycling treatment system

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Application Number Priority Date Filing Date Title
CN201921021175.5U CN210237322U (en) 2019-07-03 2019-07-03 Mine water recycling treatment system

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CN210237322U true CN210237322U (en) 2020-04-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111732234A (en) * 2020-07-21 2020-10-02 西安西热水务环保有限公司 Treatment system and method for using high-suspended substance mine water as circulating water supplement water of power plant
CN113045033A (en) * 2021-03-11 2021-06-29 临沂舜驰生态科技有限公司 Mine polluted wastewater ecological restoration device
CN113620470A (en) * 2021-08-25 2021-11-09 产学研(广州)环境服务有限公司 Novel mud water purification equipment handles device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111732234A (en) * 2020-07-21 2020-10-02 西安西热水务环保有限公司 Treatment system and method for using high-suspended substance mine water as circulating water supplement water of power plant
CN113045033A (en) * 2021-03-11 2021-06-29 临沂舜驰生态科技有限公司 Mine polluted wastewater ecological restoration device
CN113620470A (en) * 2021-08-25 2021-11-09 产学研(广州)环境服务有限公司 Novel mud water purification equipment handles device

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