CN211339096U - Mine water treatment system - Google Patents
Mine water treatment system Download PDFInfo
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- CN211339096U CN211339096U CN201922075737.0U CN201922075737U CN211339096U CN 211339096 U CN211339096 U CN 211339096U CN 201922075737 U CN201922075737 U CN 201922075737U CN 211339096 U CN211339096 U CN 211339096U
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Abstract
The utility model discloses a mine water treatment system belongs to sewage treatment technical field. Comprises a pretreatment system; the raw water adjusting tank is connected with the pretreatment system; the raw water tank is connected with the outlet of the raw water regulating tank through a clean water pump; the water inlet end of the filter is connected with the raw water tank through a raw water pump; the ultrafiltration system is connected with the water outlet end of the filter; the primary reverse osmosis system is connected with the ultrafiltration system; a secondary reverse osmosis system connected with the primary reverse osmosis system; and a dosing system. The mine water is deeply treated by adopting a double-membrane method mainly comprising ultrafiltration and two-stage reverse osmosis, the effluent quality standard is higher, the first-stage reverse osmosis effluent can be directly used as production water, and the second-stage reverse osmosis effluent can reach the drinking water quality standard and can be used as source water of domestic water in a mining area. Therefore, compare prior art, the utility model discloses can avoid a large amount of wastes of water resource, realize the target of circular economy.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to mine water treatment system.
Background
Coal accounts for more than half of energy structures in China, a large amount of waste water is discharged in the coal mining process, if the waste water is directly discharged without being treated, the environment is seriously polluted, a large amount of waste of water resources is caused, and the aim of circular economy cannot be fulfilled. Particularly, with the rapid development of energy industry in recent years, coal mine wastewater has become one of important pollution sources. The coal mine industry is a water-consuming large household and a pollution discharge large household, and along with the sustainable development of the economic society and the improvement of the environmental protection requirements of people, the requirements on coal mine wastewater treatment are stricter and stricter.
The general mine water is mainly characterized in that the concentration of suspended matters is high, the conventional treatment process is mainly a flocculation precipitation process, the effluent is directly discharged or recycled and used as biological miscellaneous water in a mining area, the process flow comprises units such as coagulation, precipitation, filtration and the like, the appearance size is overlarge, the structure is complex, the effluent quality standard is low, the effluent cannot be directly used as production water or domestic water, the water shortage pressure in the mining area is high, a large amount of waste of water resources is still caused, and the aim of circular economy cannot be achieved. Therefore, a new technical solution is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a mine water treatment system solves a large amount of wastes of the water resource that prior art exists, can't realize the problem of circular economy's target.
In order to achieve the above object, the technical solution of the present invention is that: a mine water treatment system comprises;
a pre-treatment system;
the raw water adjusting tank is connected with the pretreatment system;
the raw water tank is connected with the outlet of the raw water regulating tank through a clean water pump;
the water inlet end of the filter is connected with the raw water tank through a raw water pump;
the ultrafiltration system is connected with the water outlet end of the filter;
the primary reverse osmosis system is connected with the ultrafiltration system;
a secondary reverse osmosis system connected with the primary reverse osmosis system; and
a dosing system;
wherein, the charge system contains raw water germicide charge system, raw water nanometer flocculating agent charge system, one-level reverse osmosis reducing agent charge system, one-level reverse osmosis water inflow antisludging agent charge system and second grade reverse osmosis water inflow alkali charge system, raw water germicide charge system and raw water nanometer flocculating agent charge system respectively with pipeline between raw water pump and the filter links to each other, one-level reverse osmosis water inflow reducing agent charge system and one-level reverse osmosis water inflow antisludging agent charge system respectively with one-level reverse osmosis system links to each other, second grade reverse osmosis water inflow alkali charge system with second grade reverse osmosis system links to each other.
Preferably, the filter is a laminated disc filter.
Preferably, the ultrafiltration system comprises an ultrafiltration device and an ultrafiltration water production tank, wherein the water inlet end of the ultrafiltration device is connected with the filter, and the water outlet end of the ultrafiltration device is connected with the ultrafiltration water production tank.
Preferably, the first-stage reverse osmosis system comprises a first-stage reverse osmosis booster pump, a cartridge filter, a first-stage reverse osmosis high-pressure pump, a first reverse osmosis system and a first-stage reverse osmosis water production tank which are sequentially connected.
Preferably, the first reverse osmosis system comprises two sets of osmosis units connected in parallel.
Preferably, the system also comprises a production feed pump, wherein the water inlet end of the production feed pump is connected with the first-stage reverse osmosis water production tank through a pipeline, and the water outlet end of the production feed pump extends to a water consumption point in the well through a pipeline.
Preferably, the second-stage reverse osmosis system comprises a second-stage reverse osmosis high-pressure pump, a second reverse osmosis system and a second-stage reverse osmosis water production tank which are connected in sequence.
Preferably, the system also comprises a fresh water pump connected with the secondary reverse osmosis water production tank.
Preferably, the raw water bactericide feeding system, the raw water nano flocculant feeding system, the primary reverse osmosis water inlet reducing agent feeding system, the primary reverse osmosis water inlet scale inhibitor feeding system and the secondary reverse osmosis water inlet alkali feeding system respectively comprise a feeding box and a feeding pump which are connected, and a stirrer is arranged in the feeding box.
Preferably, the device also comprises three groups of cleaning systems which are respectively connected with the ultrafiltration system, the primary reverse osmosis system and the secondary reverse osmosis system through pipelines, and each cleaning system comprises a cleaning water tank, a cleaning water pump and a cleaning filter which are sequentially connected.
Compared with the prior art, the utility model has the advantages of as follows: the utility model provides a mine water treatment system adopts the ultrafiltration to carry out advanced treatment to mine water with the two embrane methods that two-stage reverse osmosis is main, and the water quality standard of going out is higher, and one-level reverse osmosis goes out water can directly regard as the process water, and second grade reverse osmosis goes out water and can reach drinking water quality standard, can regard as the source water of mining area domestic water. Therefore, compare prior art, the utility model discloses can avoid a large amount of wastes of water resource, realize the target of circular economy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flow diagram of a mine water treatment system according to the present invention.
In the figure: 1-pretreatment system, 2-raw water regulating reservoir, 3-raw water tank, 4-clean water pump, 5-laminated disc filter, 6-raw water pump, 11-production water feed pump, 12-fresh water pump, 71-ultrafiltration device, 72-ultrafiltration product water tank, 81-first-stage reverse osmosis booster pump, 82-cartridge filter, 83-first-stage reverse osmosis high-pressure pump, 84-first reverse osmosis system, 85-first-stage reverse osmosis product water tank, 91-second-stage reverse osmosis high-pressure pump, 92-second reverse osmosis system and 93-second-stage reverse osmosis product water tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, fig. 1 is a schematic flow chart of a mine water treatment system according to the present invention.
The utility model provides a mine water treatment system, which comprises a water tank;
a pretreatment system 1; the pretreatment system 1 mainly removes suspended matters and colloid in water by means of ultrafiltration, ensures that indexes such as the content of organic matters in effluent and the pollution index (SDI) meet the requirement of reverse osmosis water inflow, and is not consistent with the existing pretreatment system 1.
A raw water adjusting tank 2 connected with the pretreatment system 1; before raw water enters the treatment main body, the raw water is firstly led into the raw water regulating tank 2 for uniform and regulating treatment, so that the water quantity and the water quality are relatively stable, and a stable and optimized operation condition can be provided for a subsequent water treatment system.
A raw water tank 3 connected with the outlet of the raw water regulating tank 2 through a clean water pump 4; the raw water tank 3 is used for storing raw water.
A filter with the water inlet end connected with the raw water tank 3 through a raw water pump 6; the raw water pump 6 pumps raw water into a filter, and the filter mainly removes large suspended particles in water, and in the embodiment, the filter is a laminated disc type filter 5. The laminated disc filter 5 is formed by combining filter units in parallel, wherein the filter units mainly comprise a group of annular reinforced plastic filter discs with grooves or ribs. When filtering, sewage enters from the outer side, and solid matters in water are intercepted by rims formed by edges of grooves on adjacent filter discs; during back flushing, water flows from the inside to the outside of the annular filter disc to flush away the dirt trapped on the filter disc and is exhausted via the sewage outlet. The disks are tightly compacted and overlapped in the unit, and the middle groove of the upper and lower layers of disks plays a role in filtering and intercepting. Raw water flows from outside to inside when passing through the filtering unit, and impurities larger than the grooves are intercepted outside. The core part of the laminated disc type filter 5 is plastic filter discs which are stacked together, the filter discs are provided with special grooves or ribs, the grooves or ribs on the adjacent filter discs form channels with certain size, and suspended matters with the particle size larger than the size of the channels are intercepted, so that the filtering effect is achieved. The product can replace the traditional mechanical filtering devices such as sand filters and the like to a great extent, and has superior performance and far lower water and electricity consumption than other products.
The ultrafiltration system is connected with the water outlet end of the filter; the ultrafiltration system comprises an ultrafiltration device 71 and an ultrafiltration water production tank 72, wherein the water inlet end of the ultrafiltration device 71 is connected with the filter 72, and the water outlet end of the ultrafiltration device 71 is connected with the ultrafiltration water production tank 72. The outlet water of the laminated disc type filter directly enters an ultrafiltration system, small particle suspended matters and colloid in the mine water are mainly removed, and the indexes of the outlet water, such as organic matter content, pollution index (SDI) and the like, are ensured to meet the requirement of reverse osmosis water inlet; the ultrafiltration product water is stored in an ultrafiltration product water tank 72.
A first-stage reverse osmosis system connected with the ultrafiltration system; the primary reverse osmosis system comprises a primary reverse osmosis booster pump 81, a cartridge filter 82, a primary reverse osmosis high-pressure pump 83, a first reverse osmosis system 84 and a primary reverse osmosis water production tank 85 which are connected in sequence. Raw water in the ultrafiltration product water tank 72 is lifted by a primary reverse osmosis booster pump 81, refiltering by a cartridge filter 82 and lifting by a primary reverse osmosis high-pressure pump 83 enter a first reverse osmosis system 84, most salt in mine water is removed by the first reverse osmosis system 84, and primary reverse osmosis product water enters a primary reverse osmosis product water tank 85. The first reverse osmosis system 84 includes two sets of osmosis units in parallel. The two groups of osmosis units can be operated simultaneously or independently. The reverse osmosis membrane element is selected according to the salt content and raw water conditions to select a membrane with high desalination rate, good chemical stability, good pollution resistance and good mechanical strength.
A secondary reverse osmosis system connected with the primary reverse osmosis system; the secondary reverse osmosis system comprises a secondary reverse osmosis high-pressure pump 91, a second reverse osmosis system 92 and a secondary reverse osmosis water production tank 93 which are connected in sequence. The first-stage reverse osmosis water production tank 85 is lifted by the second-stage reverse osmosis booster pump 91 to enter the second reverse osmosis system 92, salt in the mine water is further removed, fresh water is finally prepared and stored in the second-stage reverse osmosis water production tank 93.
The reverse osmosis system comprising a first-stage reverse osmosis system and a second-stage reverse osmosis system is used for removing various dissolved solid matters, namely salt in water so as to achieve the quality of produced water.
And a dosing system; the dosing system comprises all dosing treatments in the whole treatment process, the dosing amount is required to be automatically adjusted, and a static mixer is required to be arranged at the downstream of a dosing point.
Wherein, the medicine system contains raw water germicide medicine system, raw water nanometer flocculating agent medicine system, one-level reverse osmosis influent reducing agent medicine system, one-level reverse osmosis influent antisludging agent medicine system and second grade reverse osmosis influent caustic soda medicine system, raw water germicide medicine system and raw water nanometer flocculating agent medicine system are connected with the pipeline between raw water pump and the filter respectively, one-level reverse osmosis influent reducing agent medicine system and one-level reverse osmosis influent antisludging agent medicine system are connected with one-level reverse osmosis system respectively, second grade reverse osmosis influent antisludging agent medicine system is connected with second grade reverse osmosis system.
The system also comprises a production feed pump 11, wherein the water inlet end of the production feed pump 11 is connected with the first-stage reverse osmosis water production tank 85 through a pipeline, and the water outlet end of the production feed pump 11 extends to a water consumption point in the well through a pipeline.
And a fresh water pump 12 connected to the secondary reverse osmosis water producing tank 93. Fresh water in the secondary reverse osmosis water production tank 93 is finally lifted to the ground through a fresh water pump for domestic water in a mining area.
The raw water bactericide feeding system, the raw water nano flocculant feeding system, the primary reverse osmosis water inlet reducing agent feeding system, the primary reverse osmosis water inlet scale inhibitor feeding system and the secondary reverse osmosis water inlet alkali feeding system respectively comprise a feeding box and a feeding pump which are connected, and a stirrer is arranged in the feeding box. The difference between the different dosing systems is the type and amount of the drug in the dosing tank.
The device also comprises three groups of cleaning systems which are respectively connected with the ultrafiltration system, the primary reverse osmosis system and the secondary reverse osmosis system through pipelines, wherein the cleaning systems are used for cleaning the polluted ultrafiltration membrane and the polluted osmotic membrane so as to recover the water stopping capacity of the ultrafiltration membrane and the osmotic membrane. The cleaning system comprises a cleaning water tank, a cleaning water pump and a cleaning filter which are sequentially connected.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A mine water treatment system is characterized by comprising;
a pre-treatment system;
the raw water adjusting tank is connected with the pretreatment system;
the raw water tank is connected with the outlet of the raw water regulating tank through a clean water pump;
the water inlet end of the filter is connected with the raw water tank through a raw water pump;
the ultrafiltration system is connected with the water outlet end of the filter;
the primary reverse osmosis system is connected with the ultrafiltration system;
a secondary reverse osmosis system connected with the primary reverse osmosis system; and
a dosing system;
wherein, the charge system contains raw water germicide charge system, raw water nanometer flocculating agent charge system, one-level reverse osmosis reducing agent charge system, one-level reverse osmosis water inflow antisludging agent charge system and second grade reverse osmosis water inflow alkali charge system, raw water germicide charge system and raw water nanometer flocculating agent charge system respectively with pipeline between raw water pump and the filter links to each other, one-level reverse osmosis water inflow reducing agent charge system and one-level reverse osmosis water inflow antisludging agent charge system respectively with one-level reverse osmosis system links to each other, second grade reverse osmosis water inflow alkali charge system with second grade reverse osmosis system links to each other.
2. The mine water treatment system according to claim 1, characterized in that: the filter is a laminated disc filter.
3. The mine water treatment system according to claim 1, characterized in that: the ultrafiltration system comprises an ultrafiltration device and an ultrafiltration water production tank, wherein the water inlet end of the ultrafiltration device is connected with the filter, and the water outlet end of the ultrafiltration device is connected with the ultrafiltration water production tank.
4. The mine water treatment system according to claim 1, characterized in that: the first-stage reverse osmosis system comprises a first-stage reverse osmosis booster pump, a cartridge filter, a first-stage reverse osmosis high-pressure pump, a first reverse osmosis system and a first-stage reverse osmosis water production tank which are sequentially connected.
5. The mine water treatment system according to claim 4, characterized in that: the first reverse osmosis system comprises two groups of osmosis units connected in parallel.
6. The mine water treatment system according to claim 4, characterized in that: the production water supply system is characterized by further comprising a production water supply pump, wherein the water inlet end of the production water supply pump is connected with the first-stage reverse osmosis water production tank through a pipeline, and the water outlet end of the production water supply pump extends to an underground water consumption point through a pipeline.
7. The mine water treatment system according to claim 1, characterized in that: the second-stage reverse osmosis system comprises a second-stage reverse osmosis high-pressure pump, a second reverse osmosis system and a second-stage reverse osmosis water production tank which are sequentially connected.
8. The mine water treatment system according to claim 7, characterized in that: and the fresh water pump is connected with the secondary reverse osmosis water production tank.
9. The mine water treatment system according to claim 1, characterized in that: the raw water bactericide dosing system, the raw water nano flocculant dosing system, the primary reverse osmosis water inlet reducing agent dosing system, the primary reverse osmosis water inlet scale inhibitor dosing system and the secondary reverse osmosis water inlet alkali dosing system respectively comprise a dosing tank and a dosing pump which are connected, and a stirrer is arranged in the dosing tank.
10. The mine water treatment system according to claim 1, characterized in that: the device also comprises three groups of cleaning systems which are respectively connected with the ultrafiltration system, the primary reverse osmosis system and the secondary reverse osmosis system through pipelines, wherein the cleaning systems comprise a cleaning water tank, a cleaning water pump and a cleaning filter which are sequentially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075737.0U CN211339096U (en) | 2019-11-25 | 2019-11-25 | Mine water treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075737.0U CN211339096U (en) | 2019-11-25 | 2019-11-25 | Mine water treatment system |
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| CN211339096U true CN211339096U (en) | 2020-08-25 |
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| CN201922075737.0U Active CN211339096U (en) | 2019-11-25 | 2019-11-25 | Mine water treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835181A (en) * | 2019-11-25 | 2020-02-25 | 中霖中科环境科技（安徽）股份有限公司 | Mine water treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835181A (en) * | 2019-11-25 | 2020-02-25 | 中霖中科环境科技（安徽）股份有限公司 | Mine water treatment system |
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