CN213977330U - System for be used for colliery high turbidity mine water advanced treatment - Google Patents
System for be used for colliery high turbidity mine water advanced treatment Download PDFInfo
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- CN213977330U CN213977330U CN202022565288.0U CN202022565288U CN213977330U CN 213977330 U CN213977330 U CN 213977330U CN 202022565288 U CN202022565288 U CN 202022565288U CN 213977330 U CN213977330 U CN 213977330U
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Abstract
The utility model relates to the field of mine water treatment, in particular to a system for advanced treatment of high-turbidity mine water in a coal mine, which comprises a pretreatment part and a flexible ceramic ultrafiltration filtering part, wherein the pretreatment part comprises an adjusting tank, a raw water lifting device and a loading flocculation magnetic separation device and is used for removing most suspended matters in the mine water; the flexible ceramic ultrafiltration part comprises an ultrafiltration membrane pool, a flexible ceramic membrane ultrafiltration membrane group, a water production power device, an aeration fan and a water production pool, and is used for filtering the water produced by the loaded flocculation magnetic separation to obtain ultrafiltration water. The system has strong water impact resistance, realizes cyclic utilization of the loading object and reduces the operation cost; has the characteristics of strong pollution resistance, high membrane yarn strength and high flux. The water produced by the system can meet the requirements of multiple purposes of fire fighting, spraying, dust settling, equipment cooling and the like of a coal mining surface, and the high-efficiency utilization of mine water resource is realized.
Description
Technical Field
The utility model belongs to the technical field of mine water treatment and specifically relates to a system for colliery high turbidity mine water advanced treatment.
Background
Coal is a main energy source in China, a large amount of water resource support is needed for development of the coal industry, and important restriction factors influencing development of the coal industry in China when water resources are insufficient are particularly needed urgently in water-deficient areas in North China and northwest China of main coal resource producing areas. The coal mine water treatment and utilization are not only the widening development of water resources, but also the best choice for relieving the problem of water shortage in mining areas, and are important ways for protecting the ecological environment and preventing water pollution.
Under the guidance and promotion of the national 'mine water utilization special planning', policy and regulations in the aspect of comprehensive utilization of mine water are disputed from main coal-producing provinces in China, so that the comprehensive utilization of the mine water is promoted, the mine water utilization scale is continuously enlarged, the equipment technical level is continuously improved, and the development of the mine water comprehensive utilization scale, systematization and automatic control informatization is gradually carried out. The mine water treatment process generally adopts coagulation, precipitation, filtration, disinfection and reverse osmosis process technologies from the aspect of water quality components, mainly comprises coagulation precipitation and multi-medium filtration for high-turbidity mine water, and is also often added with an air floatation treatment process for water bodies with higher petroleum content. The conventional high-turbidity mine water treatment process has large occupied area, low efficiency and unstable effluent quality, and limits the development of mine water treatment and recycling.
Disclosure of Invention
An object of the utility model is to provide a system for colliery high turbidity mine water advanced treatment.
The purpose of the utility model is realized through the following technical scheme:
a system for advanced treatment of high turbidity mine water in coal mines comprises a pretreatment part and a flexible ceramic ultrafiltration filtering part;
the pretreatment part comprises a regulating tank, a raw water lifting device and a loading flocculation magnetic separation device and is used for removing most suspended matters in the mine water;
the flexible ceramic ultrafiltration part comprises an ultrafiltration membrane pool, a flexible ceramic membrane ultrafiltration membrane group, a water production power device, an aeration fan and a water production pool, and is used for filtering the water produced by the loaded flocculation magnetic separation to obtain ultrafiltration water;
the loading flocculation magnetic separation device comprises a loading coagulation tank, a sedimentation tank, a mud scraper, a magnetic powder recovery device and a loading flocculation magnetic separation dosing device; the sedimentation tank adopts a vertical flow sedimentation mode;
the rotating speed of the central shaft of the mud scraper is set to be 0.1 r/min;
the magnetic powder recovery device comprises a sludge reflux pump, a shearing machine and a magnetic drum;
the flexible ceramic membrane ultrafiltration membrane group is of a hollow membrane filament structure, and the installation form is immersion ultrafiltration;
the filtering aperture of the ultrafiltration membrane group of the flexible ceramic membrane is 0.1-0.2 um;
the system also comprises an adjusting tank, wherein the adjusting tank is used for adjusting the water quality and quantity of the mine water inlet system;
the system also comprises a raw water lifting device, wherein the raw water lifting device is used for lifting the mine water in the regulating reservoir to the loading flocculation magnetic separation device;
the system also comprises a water production power device, wherein the water production power device is used for providing pressure difference power required by the filtration of the ultrafiltration membrane group so as to enable the ultrafiltration membrane to produce water;
the system also comprises an aeration fan, wherein the aeration fan is used for scrubbing the air of the ultrafiltration membrane group;
the system also comprises an ultrafiltration membrane pool, wherein the ultrafiltration membrane pool is used for collecting the water produced by the loading flocculation magnetic separation device and placing an ultrafiltration membrane group;
the system also comprises membrane tank sewage discharge equipment, wherein the membrane tank sewage discharge equipment is used for discharging concentrated liquid accumulated by ultrafiltration to the regulating tank;
the system also comprises an ultrafiltration water producing pool, and the ultrafiltration water producing pool is used for collecting the ultrafiltration membrane component water.
The beneficial effects of the utility model are that: the application of the loading flocculation magnetic separation and the flexible ceramic membrane immersion type ultrafiltration treatment to the high-turbidity mine water improves the water quality impact resistance of mine water treatment, and even if sudden water quality fluctuation occurs in the mine water, the produced water quality is kept stable; the loading flocculation magnetic separation device can realize the recycling of the loading object and reduce the operation cost; the membrane group material of the flexible ceramic ultrafiltration filtering part is formed by compounding inorganic ceramic and organic material, and has the characteristics of strong pollution resistance, high membrane yarn strength and high flux; the ultrafiltration membrane group is mounted in an immersed mode, and a daily backwashing device is shared with water production power equipment, so that the power consumption of an ultrafiltration part is reduced, and energy is saved; the turbidity of the effluent of the system is less than 1 NTU.
Additionally, the utility model provides a system still can realize the modularization equipment, and system treatment effeciency is high, take up an area of for a short time, and the mountable realizes handling on the spot and retrieval and utilization in the mine water underworkings in the underworkings.
Description of the drawings:
the drawings that constitute the present invention are intended to provide a further understanding of the invention, and the illustrative embodiments and descriptions thereof are intended to explain the invention without constituting an undue limitation on the invention. In the drawings:
FIG. 1 is a schematic flow chart of the present invention
In the figure: i-pretreatment section, II-Flexible ceramic filtration Ultrafiltration section
a. Sludge discharge
1. The system comprises a regulating tank, 2, raw water lifting equipment, 3, a loading coagulation tank, 4, a sedimentation tank, 5, a mud scraper, 6, a sludge reflux pump, 7, a shearing machine, 8, a magnetic drum, 9, an ultrafiltration membrane tank, 10, a flexible ceramic membrane ultrafiltration membrane group, 11, water production power equipment, 12, an aeration fan, 13, membrane tank sewage discharge equipment, 14, a water production tank, 15, a chemical cleaning and dosing device and 16, a loading flocculation magnetic separation dosing device
The specific implementation mode is as follows:
the present invention is described in detail below with reference to fig. 1:
the system for the advanced treatment of the high-turbidity mine water in the coal mine comprises a pretreatment part I and a flexible ceramic ultrafiltration filtering part II and is characterized in that an adjusting tank 1 is connected with a raw water lifting device 2, the raw water lifting device 2 is connected with a loading coagulation tank 3, the loading coagulation tank 3 is respectively connected with a sedimentation tank 4 and a loading flocculation magnetic separation dosing device 16, the sedimentation tank 4 is connected with an ultrafiltration membrane tank 9, a flexible ceramic membrane ultrafiltration membrane group 10 is arranged in the ultrafiltration membrane tank 9, the flexible ceramic membrane ultrafiltration membrane group 10 is respectively connected with a water production power device 11 and an aeration fan 12, the water production power device 11 is connected with a water production tank 14, and a chemical cleaning dosing device 15 is connected with the water production power device 11.
The system for the advanced treatment of the high-turbidity mine water in the coal mine further comprises a sludge reflux pump 6, the sludge reflux pump 6 is connected with a shearing machine 7, the shearing machine 7 is connected with a magnetic drum 8, the magnetic drum 8 is connected with the loading coagulation tank 3, and a mud scraper 5 is arranged in the sedimentation tank 4.
Adopt the utility model discloses a method includes following flow:
high turbidity mine water with suspended matter content of more than 2000mg/L in an adjusting tank 1 enters a loading flocculation tank 3 through a raw water lifting device 2, loading flocculation is carried out in the loading flocculation tank 3, obtained heavy medium impurities are precipitated in a sedimentation tank 4, precipitated supernatant enters an ultrafiltration membrane tank 9, through pressure power provided by a water production power device 11, a flexible ceramic membrane ultrafiltration membrane group 10 is subjected to deep filtration, produced water with turbidity of less than 1NTU is obtained, the produced water is stored in a water production tank 14, and the work flux of the flexible ceramic membrane ultrafiltration membrane group 10 can be designed to be 100 LMH.
During the working period of the system, the loading flocculation magnetic separation dosing device 16 works together with the sludge reflux pump 6, the shearing machine 7 and the magnetic drum 8, and the medicament and the recovered magnetic powder are injected into the loading coagulation tank 3.
After the membrane surface of the flexible ceramic ultrafiltration membrane group 10 of submergence formula installation receives pollution of certain degree, the system can carry out regular air water backwash to the milipore filter, and aeration fan 12 opens and carries out the gas and scrub, and later backwash equipment utilizes product water to carry out the backwash, and chemical cleaning charge device 15 squeezes into the medicament in the backwash pipeline, backwash equipment and product water power equipment 11 sharing.
When the pollutants in the ultrafiltration membrane tank 9 are accumulated to a certain degree, the pollutants can be cleaned through the membrane tank sewage discharge equipment 13, and the clean sewage is discharged into the regulating tank 1.
Claims (7)
1. A system for advanced treatment of high-turbidity mine water in a coal mine is characterized by comprising a pretreatment part and a flexible ceramic ultrafiltration filtering part, wherein the pretreatment part comprises an adjusting tank, a raw water lifting device and a loading flocculation magnetic separation device, and is used for removing most suspended matters in the mine water; the flexible ceramic ultrafiltration part comprises an ultrafiltration membrane pool, a flexible ceramic membrane ultrafiltration membrane group, a water production power device, an aeration fan, a membrane pool sewage discharge device and a water production pool, and is used for filtering the loading flocculation magnetic separation produced water to obtain ultrafiltration produced water.
2. The system for the advanced treatment of the high turbidity mine water in the coal mine according to claim 1, wherein the loading flocculation magnetic separation device comprises a loading coagulation tank, a sedimentation tank, a mud scraper, a magnetic powder recovery device and a loading flocculation magnetic separation dosing device.
3. The system for the deep treatment of the high-turbidity mine water in the coal mine according to claim 2, wherein the sedimentation tank adopts a vertical flow sedimentation mode.
4. The system for the deep treatment of the high-turbidity mine water in the coal mine according to claim 2, wherein the rotating speed of a central shaft of the mud scraper is set to be 0.1 r/min.
5. The system for the deep treatment of the high turbidity mine water in the coal mine according to claim 2, wherein the magnetic powder recovery device comprises a sludge reflux pump, a shearing machine and a magnetic drum.
6. The system for the advanced treatment of the high-turbidity mine water in the coal mine according to claim 1, wherein the flexible ceramic membrane ultrafiltration membrane group is of a hollow membrane filament structure, and the installation form is immersion ultrafiltration.
7. The system for the advanced treatment of the high turbidity mine water in the coal mine according to claim 1, wherein the filtering aperture of the flexible ceramic membrane ultrafiltration membrane group is 0.1-0.2 um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022565288.0U CN213977330U (en) | 2020-11-09 | 2020-11-09 | System for be used for colliery high turbidity mine water advanced treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022565288.0U CN213977330U (en) | 2020-11-09 | 2020-11-09 | System for be used for colliery high turbidity mine water advanced treatment |
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| CN213977330U true CN213977330U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022565288.0U Active CN213977330U (en) | 2020-11-09 | 2020-11-09 | System for be used for colliery high turbidity mine water advanced treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279448A (en) * | 2020-11-09 | 2021-01-29 | 中煤张家口煤矿机械有限责任公司 | System and method for advanced treatment of high-turbidity mine water in coal mine |
| CN114772797A (en) * | 2022-05-30 | 2022-07-22 | 重庆大学 | Ceramic medium for loading flocculation precipitation water treatment process |
-
2020
- 2020-11-09 CN CN202022565288.0U patent/CN213977330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279448A (en) * | 2020-11-09 | 2021-01-29 | 中煤张家口煤矿机械有限责任公司 | System and method for advanced treatment of high-turbidity mine water in coal mine |
| CN114772797A (en) * | 2022-05-30 | 2022-07-22 | 重庆大学 | Ceramic medium for loading flocculation precipitation water treatment process |
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