CN213803416U - Device for deep purification treatment and reuse in production of mine water - Google Patents
Device for deep purification treatment and reuse in production of mine water Download PDFInfo
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- CN213803416U CN213803416U CN202022838317.6U CN202022838317U CN213803416U CN 213803416 U CN213803416 U CN 213803416U CN 202022838317 U CN202022838317 U CN 202022838317U CN 213803416 U CN213803416 U CN 213803416U
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Abstract
The utility model discloses a device that mine water advanced purification treatment was returned to production, it includes the ground pond, the high-order is heavy store water equalizing basin just, retrieval and utilization pond and production water supply system in the pit, the ground pond is connected with the high-order is heavy store water equalizing basin just through the raceway, the high-order is heavy store water equalizing basin just and is connected with many media filter through pipeline for the purifier, many media filter is connected to production water supply system in the pit through membrane biological reaction pond and retrieval and utilization pond, be equipped with automatic reagent feeding device on the raceway. Through adding and establishing automatic reagent feeding device and autonomous system, adjust the medicine that adds according to the change of the inflow flow, accurate control medicament quantity, furthest plays the flocculation. And by utilizing an MBR technology, the solid-liquid separation efficiency is greatly improved. The purified mine water is disinfected in a mode of preparing sodium hypochlorite on site by a generator, so that the running cost is reduced, accurate medicine adding is realized, the disinfection effect is improved, and the mine water is recycled to an underground production system.
Description
Technical Field
The utility model relates to a mine water treatment facilities especially relates to a device that mine water deep purification handles and recycles in production, belongs to mine water treatment facilities technical field.
Background
The mine water has the characteristics of underground water and obvious characteristics of the coal mine industry, the characteristics of the mine water depend on the geological environment of the finished coal and the chemical components of minerals of the coal bottom layer, and the mine water is closely related to the production process and the like. In order to protect the safety of underground mining production engineering and prevent mine flood caused by excessive mine water flowing into a mine tunnel, the mine water needs to be pumped out of a mine in the mining process, the treatment standard does not meet the production and discharge requirements, huge water resource waste is formed, and meanwhile pollutants contained in the mine water destroy a local ecological system.
The treatment technology and the effect are determined by the properties of the mine water and the application after treatment, when the acid and the alkali of the mine water are basically neutral and have no toxic heavy metal substances, suspended matters become the key points of purification treatment, the mine water has the difficulties of large content and concentration difference of the suspended matters, small granularity, light specific gravity and low settling speed, and the mine water also contains partial ions, a small amount of organic matters and a large amount of bacteria, the key point of treating the mine water is to remove the suspended matters and the bacteria, and how to better remove the harmful substances is the technical problem existing at present.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the device for deeply purifying and recycling mine water for production is characterized in that an automatic dosing device and an automatic control system which are provided with polyaluminium chloride (PAC) and Polyacrylamide (PAM) dry powder are additionally arranged between a high-level sewage storage adjusting tank and a purifying device, so that the dosing amount is adjusted according to the change of inflow, the dosage of a medicament is accurately controlled, and the flocculation effect is exerted to the maximum extent. By organically combining the MBR technology with the traditional wastewater biological treatment technology, the solid-liquid separation efficiency is greatly improved, and the CODcr and SS indexes of the mine water after deep purification are lower than specified values. The mode of preparing sodium hypochlorite on site by a generator replaces chlorine gas to disinfect the purified mine water, so that the operation cost is reduced, accurate medicine adding is realized, the disinfection effect is improved, the mine water is recycled to an underground production system, and the existing problems are effectively solved.
The technical scheme of the utility model is that: the device comprises a ground water storage tank, a high-position primary-sedimentation water storage regulating tank, a reuse water tank and an underground production water supply system, wherein the ground water storage tank is connected with the high-position primary-sedimentation water storage regulating tank through a water pipe, the high-position primary-sedimentation water storage regulating tank is connected with a multi-medium filter through a pipeline for a purifying device, the multi-medium filter is connected to the underground production water supply system through a membrane biological reaction tank and the reuse water tank, and an automatic chemical feeding device is arranged on the water pipe.
The device is also provided with a sodium hypochlorite generating device which is connected to the reuse water pool through a pipeline.
The bottom of the purifying device is connected with a sludge concentration tank through a pipeline, and the sludge concentration tank is connected with a high-level primary sedimentation water storage regulating tank through a pipeline.
The upper part of the multi-medium filter is connected with the purification device through a pipeline.
The utility model has the advantages that: compared with the prior art, adopt the technical scheme of the utility model, this water treatment method lies in automatic reagent feeding device and autonomous system, adjust the medicine adding amount according to the change of inflow, accurate control medicament quantity, furthest performance flocculation, prevent to appear medicament dry powder interpolation inaccuracy because of artifical the input, cause medicament solution concentration too high easily, cross lowly, the condition such as the dry powder is easily got into a ball, practice thrift mine water treatment cost, avoid the medicament solvent can not fully dissolve through long-time stirring, it is little to act on, drawback such as poor effect, improve the preliminary purification quality of mine water, and have the characteristics of operation reliable and stable, degree of automation increases substantially, reduce staff's intensity of labour.
The utility model discloses lie in that the unsatisfied mine hydrologic cycle that gets into the follow-up processing procedure of quality of water gets into the preliminary purification link in the preliminary purification process, reduce medicament input volume such as flocculating agent, coagulant aid, improve follow-up mine water treatment, alleviate the advanced treatment degree of difficulty and system pressure, ensure that advanced treatment alleviates quality of water up to standard.
The utility model discloses mine water deep purification is to characteristics such as mine water suspended solid is many, the particle size distribution difference is big, filtration system links such as make full use of multimedium filtration, active carbon filtration and back flush, carries out the ultrafiltration under membrane biological reaction, and disinfects, disinfects by sodium hypochlorite solution, ensures that mine water suspended solid, turbidity after the deep purification satisfy the production index, guarantees the mine water safe after handling and uses.
Drawings
Fig. 1 is a schematic flow chart of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Example 1: as shown in the attached figure 1, the device for deep purification treatment and reuse of mine water for production comprises a ground water storage tank 1, a high-position primary-sedimentation water storage regulating tank 2, a reuse water tank 9 and an underground production water supply system 11, wherein the ground water storage tank 1 is connected with the high-position primary-sedimentation water storage regulating tank 2 through a water pipe 3, the high-position primary-sedimentation water storage regulating tank 2 is connected with a multi-medium filter 7 through a purification device 5 by a pipeline, the multi-medium filter 7 is connected to the underground production water supply system 11 through a membrane biological reaction tank 8 and the reuse water tank 9, and an automatic chemical feeding device 4 is arranged on the water pipe 3.
Further, the device is also provided with a sodium hypochlorite generating device 10, and the sodium hypochlorite generating device 10 is connected to the reuse water tank 9 through a pipeline.
Further, the bottom of the purifying device 5 is connected with a sludge concentration tank 6 through a pipeline, and the sludge concentration tank 6 is connected with the high-level primary sedimentation water storage regulating tank 2 through a pipeline.
Further, the upper part of the multimedia filter 7 is connected to the purification apparatus 5 through a pipe.
A treatment method for deep purification treatment and reuse of mine water in a production device comprises the following steps: pumping underground mine sewage from the underground to a ground water storage tank 1 through a pump, adjusting the water quantity entering a subsequent deep purification treatment system, conveying the mine sewage to a high-level primary sedimentation water storage adjusting tank 2, removing large-size floaters and suspended matters mainly comprising organic matters after the sewage is intercepted, reducing the concentration of suspended solids in the sewage, overflowing preliminarily filtered mine water into a pipe water conveying pipe 3 in the high-level primary sedimentation water storage adjusting tank 2 through a pipeline by utilizing the high-level pressure difference of the mine water, connecting the water conveying pipe 3 with an automatic dosing device 4 of polyaluminium chloride PAC and Polyacrylamide (PAM), adjusting the dosing quantity according to the change of inflow water, and accurately controlling the dosing quantity; secondly, the preliminarily filtered mine sewage, the polymeric flocculant and the coagulant aid enter a purification device 5, namely a labyrinth sloping plate purification treatment system, under the actions of flocculant compression double electric layers, electric neutralization, tape winding net capture, adsorption bridging and the like, COD (chemical oxygen demand) particulate matters are precipitated, larger flocs are formed among inorganic particles, the huge surface adsorption effect is increased, and the suspended matter concentration of microorganisms and inorganic matters is greatly reduced; thirdly, the sludge treated by the purifying device 5 is discharged to a sludge concentration tank 6 for concentration by a siphon sludge discharge pipeline, and clear liquid returns to the high-level primary sedimentation water storage regulating tank 2 to be mixed with subsequent mine sewage again under the action of flocculation ions, so that the operation load of the purifying device is reduced, and the cost of adding a flocculating agent is saved; fourthly, the mine sewage treated by the purification device 5 enters the multi-media filter 7, and after multi-media filtration, activated carbon filtration and back flushing, the sewage which does not accord with the condition that the mine sewage flows out of the multi-media filter 7 is conveyed to the purification device 5 again for circular treatment; the mine water meeting the discharge standard is conveyed to a membrane bioreactor 8, namely an MBR reaction tank, the characteristic of organic combination of a membrane separation technology and a traditional wastewater treatment technology is utilized to deeply purify the relatively purified mine water, and the suspended substance and the turbidity of the mine water after ultrafiltration meet the recycling production standard; and fifthly, discharging the deeply purified mine water to a reuse water tank 9, conveying sodium hypochlorite to the reuse water tank 9 by a sodium hypochlorite generating device 10 in a fixed amount, performing high-efficiency and safe strong sterilization and disinfection, and returning the deeply purified terminal water to the underground production water supply system 11 through a pipeline.
The water treatment method comprises an automatic chemical feeding device and an automatic control system, the chemical feeding amount is adjusted according to the change of the water inflow, the chemical dosage is accurately controlled, the flocculation effect is exerted to the maximum extent, the situations that chemical dry powder is not accurately added due to manual feeding, the concentration of a chemical solution is too high, too low, the dry powder is easy to agglomerate and the like are easily caused, the mine water treatment cost is saved, the defects that a chemical solvent cannot be fully dissolved through long-time stirring, the effect is small, the effect is poor and the like are overcome, the primary purification quality of mine water is improved, the automatic control method has the characteristics of stable and reliable operation, the automation degree is greatly improved, and the labor intensity of workers is reduced.
The utility model discloses lie in that the unsatisfied mine hydrologic cycle that gets into the follow-up processing procedure of quality of water gets into the preliminary purification link in the preliminary purification process, reduce medicament input volume such as flocculating agent, coagulant aid, improve follow-up mine water treatment, alleviate the advanced treatment degree of difficulty and system pressure, ensure that advanced treatment alleviates quality of water up to standard.
The utility model discloses mine water deep purification is to characteristics such as mine water suspended solid is many, the particle size distribution difference is big, filtration system links such as make full use of multimedium filtration, active carbon filtration and back flush, carries out the ultrafiltration under membrane biological reaction, and disinfects, disinfects by sodium hypochlorite solution, ensures that mine water suspended solid, turbidity after the deep purification satisfy the production index, guarantees the mine water safe after handling and uses.
The parts of the present invention not described in detail are the known techniques of those skilled in the art. Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (4)
1. The utility model provides a device that pit water advanced purification handles and recycles production, it includes ground water storage pool (1), high-order just heavy store water equalizing basin (2), retrieval and utilization pond (9) and production water supply system (11) in pit, its characterized in that: the ground water storage tank (1) is connected with the high-level primary water storage adjusting tank (2) through the water delivery pipe (3), the high-level primary water storage adjusting tank (2) is connected with the multi-media filter (7) through the purifying device (5) by a pipeline, the multi-media filter (7) is connected to the underground production water supply system (11) through the membrane biological reaction tank (8) and the reuse water tank (9), and the water delivery pipe (3) is provided with the automatic medicine feeding device (4).
2. The mine water deep purification treatment device for recycling to production according to claim 1, characterized in that: the device is also provided with a sodium hypochlorite generating device (10), and the sodium hypochlorite generating device (10) is connected to the reuse water tank (9) through a pipeline.
3. The mine water deep purification treatment device for recycling to production according to claim 1, characterized in that: the bottom of the purifying device (5) is connected with a sludge concentration tank (6) through a pipeline, and the sludge concentration tank (6) is connected with the high-level primary sedimentation water storage regulating tank (2) through a pipeline.
4. The mine water deep purification treatment device for recycling to production according to claim 1, characterized in that: the upper part of the multi-medium filter (7) is connected with the purification device (5) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022838317.6U CN213803416U (en) | 2020-12-01 | 2020-12-01 | Device for deep purification treatment and reuse in production of mine water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022838317.6U CN213803416U (en) | 2020-12-01 | 2020-12-01 | Device for deep purification treatment and reuse in production of mine water |
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| CN213803416U true CN213803416U (en) | 2021-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479502A (en) * | 2020-12-01 | 2021-03-12 | 贵州盘江精煤股份有限公司 | Device and method for deep purification treatment and reuse of mine water for production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479502A (en) * | 2020-12-01 | 2021-03-12 | 贵州盘江精煤股份有限公司 | Device and method for deep purification treatment and reuse of mine water for production |
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