CN217077267U - Stable discharge to reach standard system of highly mineralized mine water - Google Patents
Stable discharge to reach standard system of highly mineralized mine water Download PDFInfo
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- CN217077267U CN217077267U CN202220969125.5U CN202220969125U CN217077267U CN 217077267 U CN217077267 U CN 217077267U CN 202220969125 U CN202220969125 U CN 202220969125U CN 217077267 U CN217077267 U CN 217077267U
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Abstract
The utility model discloses a high mineralization mine water stable standard discharge system, the high mineralization mine water incoming water main pipe is communicated with the inlet of the regulating reservoir, the outlet of the regulating reservoir is divided into two paths, one path is communicated with the inlet of the pretreatment system through the pretreatment water inlet pump, the other path is communicated with the inlet of the comprehensive reservoir through the raw water delivery pump, the water outlet of the pretreatment system is communicated with the inlet of the middle reservoir, the outlet of the middle reservoir is communicated with the inlet of the membrane desalination system, the fresh water outlet of the membrane desalination system is communicated with the inlet of the comprehensive reservoir, the concentrated water outlet of the membrane desalination system is communicated with the inlet of the deep impurity removal system, the water outlet of the deep impurity removal system is communicated with the inlet of the evaporative crystallization system, the condensed water outlet of the evaporative crystallization system is communicated with the inlet of the comprehensive reservoir, the outlet of the comprehensive reservoir is communicated with the inlet of the middle reservoir, the system can realize the stable standard-reaching discharge of the mine water with high mineralization degree.
Description
Technical Field
The utility model belongs to mine water treatment field relates to a hypersalinity mine water stabilizes discharge to reach standard system.
Background
The mineralization degree of mine water is higher in most coal mines in western plateau, Huang-Huai-Pingyuan and China east coastal areas, and the part of the areas are as high as more than 4000 mg/L. Under the current environment-friendly situation, the mine water with high mineralization degree is not allowed to be directly discharged, full-flow deep desalination and zero discharge treatment are mainly carried out, the quality of produced water is ensured, and resource utilization or standard discharge is realized. The high-salinity mine water treatment process is complex, the flow is long, and the investment and the operation cost are high. Especially, in coal mines with large water inflow, the produced water cannot be fully utilized, the full-flow treatment belongs to over-treatment, and unnecessary treatment cost and burden are increased for enterprises.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a stable discharge to reach standard system of hypersalinity mine water, this system can realize the stable discharge to reach standard of hypersalinity mine water.
In order to achieve the purpose, the hypersalinity mine water stable standard discharge system comprises a hypersalinity mine water incoming water main pipe, a regulating water tank, a pretreatment system, a middle water tank, a membrane desalination system, a deep impurity removal system, an evaporative crystallization system, a comprehensive water tank, a downstream user, a standard discharge port, a pretreatment water inlet pump, a raw water delivery pump, a reflux valve, a reflux pump and a water outlet valve;
the high-mineralization mine water incoming main pipe is communicated with the inlet of the regulating water pool, the outlet of the regulating water pool is divided into two paths, one path is communicated with an inlet of a pretreatment system through a pretreatment water inlet pump, the other path is communicated with an inlet of a comprehensive water tank through a raw water conveying pump, a water outlet of the pretreatment system is communicated with an inlet of an intermediate water tank, an outlet of the intermediate water tank is communicated with an inlet of a membrane desalination system, a fresh water outlet of the membrane desalination system is communicated with an inlet of the comprehensive water tank, a concentrated water outlet of the membrane desalination system is communicated with an inlet of a deep impurity removal system, a water outlet of the deep impurity removal system is communicated with an inlet of an evaporative crystallization system, a condensed water outlet of the evaporative crystallization system is communicated with an inlet of the comprehensive water tank, an outlet of the comprehensive water tank is communicated with an inlet of the intermediate water tank through a reflux valve and a reflux pump, and an outlet of the comprehensive water tank is communicated with a downstream user and a standard discharge port through a water outlet valve.
The device also comprises a comprehensive pool water quality monitoring device and a regulating pool water quality monitoring device; the comprehensive water pool water quality monitoring device is communicated with a sampling port of the comprehensive water pool, and the regulating water pool water quality monitoring device is communicated with a sampling port of the regulating water pool.
The high-salinity mine water incoming main pipe is provided with an incoming water flow meter.
The intelligent control system is also included; the intelligent control system is connected with an incoming water flow meter, a regulating pool water quality monitoring device, a pretreatment water inlet pump, a raw water delivery pump, a reflux valve, a reflux pump, a water outlet valve and a comprehensive pool water quality monitoring device.
The system also comprises a sludge treatment system; the sludge treatment system is communicated with a sludge outlet of the pretreatment system and a sludge outlet of the deep impurity removal system.
The pretreatment system comprises a softening, hardness-removing and clarifying device and a filtering device.
The membrane desalination system employs one or a combination of reverse osmosis, nanofiltration and electrodialysis.
The deep impurity removal system is one or the combination of a chemical deep hard removal device, an ion exchange device, a silicon removal device and an advanced oxidation device.
The regulating water pool water quality monitoring device and the comprehensive water pool water quality monitoring device are used for detecting one or more of salt content, total nitrogen, COD (chemical oxygen demand) and fluoride ions.
The device also comprises a concentrated brine tank; the concentrated water outlet of the membrane desalination system is communicated with the inlet of the concentrated brine tank, and the outlet of the concentrated brine tank is communicated with the inlet of the deep impurity removal system.
The utility model discloses following beneficial effect has:
hypersalinity mine water stabilize discharge to reach standard system when concrete operation, divide into two the tunnel after adjusting the pond homogeneity with hypersalinity mine water that the water mother of water pipe output comes in proper order, wherein enter into pretreatment systems all the way and soften in and remove hard-clarification and filtration, another way is directly sent into in the comprehensive pond, the water of pretreatment systems output is handled through membrane desalination system again, wherein, the fresh water after the processing enters into in the comprehensive pond, the condensed water after handling is sent into in the comprehensive pond through degree of depth edulcoration system and evaporative crystallization system treatment back comdenstion water, in order to realize the stable discharge to reach standard of hypersalinity mine water, moreover, the steam generator is simple in structure, and the steam generator is convenient to operate, and the practicality is extremely strong.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is the regulation pond, 2 is the pretreatment system, 3 is middle pond, 4 is the membrane desalination system, 5 is concentrated brine pond, 6 is the degree of depth edulcoration system, 7 is the evaporation crystallization system, 8 is the sludge treatment system, 9 is comprehensive pond, 10 is the downstream user, 11 is discharge port up to standard, 12 is intelligent control system, 13 is the water flowmeter, 14 is the pretreatment intake pump, 15 is regulation pond water quality monitoring devices, 16 is the raw water delivery pump, 17 is comprehensive pond water quality monitoring devices, 18 is the backwash valve, 19 is the backwash pump, 20 is the outlet valve.
Detailed Description
In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution 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, and do not limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
A schematic structural diagram according to an embodiment of the present disclosure is shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and some details may be omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1, the stable discharge to standard system of hypersalinity mine water described in the present invention comprises a regulation water tank 1, a pretreatment system 2, an intermediate water tank 3, a membrane desalination system 4, a concentrated brine tank 5, a deep impurity removal system 6, an evaporation crystallization system 7, a sludge treatment system 8, 9, a comprehensive water tank 9, a downstream user 10, a discharge port to standard 11, an intelligent control system 12, an incoming water flow meter 13, a pretreatment water intake pump 14, a regulation water tank water quality monitoring device 15, a raw water delivery pump 16, a comprehensive water tank water quality monitoring device 17, a reflux valve 18, a reflux pump 19 and a water outlet valve 20;
the high salinity mine water incoming header pipe is provided with an incoming water flow meter 13, the high salinity mine water incoming header pipe is communicated with an inlet of an adjusting water tank 1, an outlet of the adjusting water tank 1 is divided into two paths, one path is communicated with an inlet of a pretreatment system 2 through a pretreatment water inlet pump 14, the other path is communicated with an inlet of a comprehensive water tank 9 through a raw water conveying pump 16, a water outlet of the pretreatment system 2 is communicated with an inlet of an intermediate water tank 3, an outlet of the intermediate water tank 3 is communicated with an inlet of a membrane desalination system 4, a fresh water outlet of the membrane desalination system 4 is communicated with an inlet of the comprehensive water tank 9, a concentrated water outlet of the membrane desalination system 4 is communicated with an inlet of a concentrated salt water tank 5, an outlet of the concentrated salt water tank 5 is communicated with an inlet of a depth impurity removal system 6, a water outlet of the depth impurity removal system 6 is communicated with an inlet of an evaporative crystallization system 7, an outlet of the evaporative crystallization system 7 is communicated with an inlet of the comprehensive water tank 9, the outlet of the comprehensive water tank 9 is communicated with the inlet of the intermediate water tank 3 through a return valve 18 and a return pump 19, and the outlet of the comprehensive water tank 9 is communicated with the downstream users 10 and the standard-reaching discharge port 11 through a water outlet valve 20.
The comprehensive water pool water quality monitoring device 17 is communicated with a sampling port of the comprehensive water pool 9, the adjusting water pool water quality monitoring device 15 is communicated with a sampling port of the adjusting water pool 1, and the intelligent control system 12 is connected with the adjusting water pool water quality monitoring device 15, the pretreatment water inlet pump 14, the raw water conveying pump 16, the return valve 18, the return pump 19, the water outlet valve 20 and the comprehensive water pool water quality monitoring device 17.
The sludge treatment system 8 is communicated with the sludge outlet of the pretreatment system 2 and the sludge outlet of the deep impurity removal system 6.
The pretreatment system 2 comprises a softening, hardness-removing and clarifying device and a filtering device; the membrane desalination system 4 adopts one or more of reverse osmosis, nanofiltration and electrodialysis, and the corresponding membrane desalination device can be arranged at one stage or more than one stage. The deep impurity removal system 6 is one or the combination of more than one of a chemical deep hard removal device, an ion exchange device, a silicon removal device and an advanced oxidation device; the regulating water pool water quality monitoring device 15 and the comprehensive water pool water quality monitoring device 17 are used for detecting one or more of salt content, total nitrogen, COD and fluoride ions.
The pretreatment water inlet pump 14, the raw water delivery pump 16 and the return pump 19 are all variable frequency pumps, the return valve 18 and the water outlet valve 20 are all electrically operated valves, and the regulating pool water quality monitoring device 15 and the comprehensive pool water quality monitoring device 17 are all online water quality monitoring instruments; the adjusting water pool water quality monitoring device 15 and the comprehensive water pool water quality monitoring device 17 are interlocked with the pretreatment water inlet pump 14, the raw water delivery pump 16, the return valve 18, the return pump 19 and the water outlet valve 20; the inflow flowmeter 13 is interlocked with a pretreatment intake pump 14 and a raw water delivery pump 16.
The utility model discloses a concrete working process does:
the highly mineralized mine water output by the highly mineralized mine water incoming water main pipe enters the regulating water tank 1 to be homogenized and then is divided into two paths, one path of the water enters the pretreatment system 2 through a pretreatment water inlet pump 14 for softening, hardness removal, clarification and filtration, wherein, the filtered water enters the middle water tank 3, the water output by the middle water tank 3 enters the membrane desalination system 4 for treatment, the concentrated water output by the membrane desalination system 4 enters the strong brine tank 5, the fresh water output by the membrane desalination system 4 enters the comprehensive water tank 9, the strong brine output by the strong brine tank 5 enters the deep impurity removal system 6 for impurity removal, the strong brine after impurity removal enters the evaporation crystallization system 7 for evaporation crystallization, the condensed water output by the evaporation crystallization system 7 enters the comprehensive water tank 9, in addition, the impurities output by the precipitation and deep impurity removal system 6 of the pretreatment system 2 enter a sludge treatment system 8 for treatment;
the water output by the comprehensive water tank 9 is divided into three paths, wherein the first path enters the middle water tank 3, the second path enters a downstream user 10, and the third path is discharged through a standard discharge port 11.
In addition, in the working process, the flow of the highly mineralized mine water in the highly mineralized mine water incoming main pipe is detected through the incoming water flow meter 13, the water quality of the water in the adjusting water tank 1 is monitored through the adjusting water tank water quality monitoring device 15, and the water quality of the water in the comprehensive water tank 9 is detected through the comprehensive water tank water quality monitoring device 17.
When the water quality monitored by the adjusting water pool water quality monitoring device 15 or the comprehensive water pool water quality monitoring device 17 is deteriorated, the flow of the pretreatment water inlet pump 14 is increased, and the flow of the raw water delivery pump 16 is reduced; when the water quality monitored by the regulating reservoir water quality monitoring device 15 is improved, the flow of the pretreatment water inlet pump 14 is reduced, and the flow of the raw water delivery pump 16 is increased; when the flow of the inflow flowmeter 13 is reduced, the flow of the pretreatment inflow pump 14 and the flow of the raw water delivery pump 16 are gradually reduced, so as to ensure that the effluent quality of the comprehensive water tank 9 meets the requirement as the first priority.
Meanwhile, when the water quality index monitored by the comprehensive water pool water quality monitoring device 17 reaches 90% of the water quality set value, the system automatically gives an early warning, adjusts the flow distribution of the pretreatment water inlet pump 14 and the raw water delivery pump 16, and realizes the water quality adjustment of water in the comprehensive water pool 9; and when the water quality index monitored by the water quality monitoring device 17 of the comprehensive water tank continues to be degraded and reaches a water quality set value of 95%, closing the water outlet valve 20, starting the reflux valve 18 and the reflux pump 19 to adjust the reflux quantity, conveying the outlet water of the comprehensive water tank 9 into the middle water tank 3, then entering the membrane desalination system 4 for further desalination treatment until the water quality index of the comprehensive water tank 9 reaches the water quality set value of below 90%, then starting the water outlet valve 20, recycling the outlet water of the comprehensive water tank 9 to a downstream user 10, and performing standard discharge.
It should be noted that the utility model discloses carry out as required and moderate degree to the high mineralization mine water and handle, avoid blindly carrying out full flow degree of depth desalination and zero release and handle, reduce system investment and running cost. In addition, the intelligent monitoring and allocation of the water quality and the water quantity of upstream and downstream water resources are adopted, the deep desalination of the mine water with high mineralization degree and the flexible adjustment of the treatment capacity of a zero-emission system are realized, and the operation cost is optimized. Meanwhile, according to the degree that the water quality monitoring index of the comprehensive water tank 9 is close to the discharge limit value, automatic early warning and automatic flow configuration are carried out, and stable standard discharge of system effluent is ensured.
Claims (10)
1. A stable discharge system of high salinity mine water reaching the standard is characterized by comprising a high salinity mine water incoming water main pipe, an adjusting water tank (1), a pretreatment system (2), an intermediate water tank (3), a membrane desalination system (4), a deep impurity removal system (6), an evaporative crystallization system (7), a comprehensive water tank (9), a downstream user (10), a discharge port reaching the standard (11), a pretreatment water inlet pump (14), a raw water conveying pump (16), a reflux valve (18), a reflux pump (19) and a water outlet valve (20);
the high-salinity mine water incoming mother pipe is communicated with an inlet of an adjusting water tank (1), an outlet of the adjusting water tank (1) is divided into two paths, one path is communicated with an inlet of a pretreatment system (2) through a pretreatment water inlet pump (14), the other path is communicated with an inlet of a comprehensive water tank (9) through a raw water delivery pump (16), a water outlet of the pretreatment system (2) is communicated with an inlet of an intermediate water tank (3), an outlet of the intermediate water tank (3) is communicated with an inlet of a membrane desalination system (4), a fresh water outlet of the membrane desalination system (4) is communicated with an inlet of the comprehensive water tank (9), a concentrated water outlet of the membrane desalination system (4) is communicated with an inlet of a deep impurity removal system (6), a water outlet of the deep impurity removal system (6) is communicated with an inlet of an evaporative crystallization system (7), a condensed water outlet of the evaporative crystallization system (7) is communicated with an inlet of the comprehensive water tank (9), the outlet of the comprehensive water tank (9) is communicated with the inlet of the middle water tank (3) through a return valve (18) and a return pump (19), and the outlet of the comprehensive water tank (9) is communicated with a downstream user (10) and a standard discharge port (11) through a water outlet valve (20).
2. The high-salinity mine water stable standard-reaching discharge system according to claim 1, characterized by further comprising a comprehensive pool water quality monitoring device (17) and a regulating pool water quality monitoring device (15); the comprehensive water pool water quality monitoring device (17) is communicated with a sampling port of the comprehensive water pool (9), and the regulating water pool water quality monitoring device (15) is communicated with a sampling port of the regulating water pool (1).
3. The system for stably discharging the highly mineralized mine water to reach the standard according to claim 2, wherein an incoming water flow meter (13) is arranged on an incoming water main pipe of the highly mineralized mine water.
4. The hypersalinity mine water stable discharge to standard system of claim 3, further including an intelligent control system (12); the intelligent control system (12) is connected with an incoming water flow meter (13), a regulating pool water quality monitoring device (15), a pretreatment water inlet pump (14), a raw water delivery pump (16), a return valve (18), a return pump (19), a water outlet valve (20) and a comprehensive pool water quality monitoring device (17).
5. The stable discharge to standard system of hypersalinity mine water according to claim 1, characterized in that, further comprises a sludge treatment system (8); the sludge treatment system (8) is communicated with the sludge outlet of the pretreatment system (2) and the sludge outlet of the deep impurity removal system (6).
6. The stable discharge to standard system of highly mineralized mine water according to claim 1, wherein the pretreatment system (2) comprises a softening, hardness-removing, clarifying device and a filtering device.
7. The hypersalinity mine water stable standard-reaching discharge system according to claim 1, characterized in that the membrane desalination system (4) adopts one or more combination of reverse osmosis, nanofiltration and electrodialysis.
8. The system for stably discharging mine water with high mineralization degree to reach the standard according to claim 1, wherein the deep impurity removal system (6) is one or a combination of a chemical deep hardness removal device, an ion exchange device, a silicon removal device and an advanced oxidation device.
9. The highly mineralized mine water stable emission system reaching the standard according to claim 2, wherein the regulated pool water quality monitoring device (15) and the integrated pool water quality monitoring device (17) are used for detecting one or more of salt content, total nitrogen, COD and fluoride ions.
10. The stable discharge to standard system of hypersalinity mine water according to claim 1, characterized in that, further comprises a concentrated brine pond (5); the concentrated water outlet of the membrane desalination system (4) is communicated with the inlet of the concentrated brine tank (5), and the outlet of the concentrated brine tank (5) is communicated with the inlet of the deep impurity removal system (6).
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| CN202220969125.5U CN217077267U (en) | 2022-04-25 | 2022-04-25 | Stable discharge to reach standard system of highly mineralized mine water |
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| CN202220969125.5U CN217077267U (en) | 2022-04-25 | 2022-04-25 | Stable discharge to reach standard system of highly mineralized mine water |
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