CN214829510U - Resource allocation device for long-distance pipeline coal conveying by using mine water - Google Patents
Resource allocation device for long-distance pipeline coal conveying by using mine water Download PDFInfo
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- CN214829510U CN214829510U CN202023303384.4U CN202023303384U CN214829510U CN 214829510 U CN214829510 U CN 214829510U CN 202023303384 U CN202023303384 U CN 202023303384U CN 214829510 U CN214829510 U CN 214829510U
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Abstract
The utility model discloses a resource configuration device that mine water is used for long distance pipeline coal conveying specifically does: step 1, collecting mine water of a coal mine to a reservoir at the head end of a long-distance pipeline coal conveying in a pipeline conveying mode for storage; step 2, sampling and analyzing the mine water stored in the step 1, and analyzing and judging whether the mine water meets the standard of the long-distance pipeline coal transportation production water or not by comparing with the long-distance pipeline coal transportation production water standard; step 3, if the mine water meets the requirement, the mine water meeting the requirement is directly applied to the water for long-distance pipeline coal transportation production, and if the mine water does not meet the requirement, the mine water which does not meet the requirement is pretreated to enable the mine water to meet the requirement and then is applied to the water for long-distance pipeline coal transportation production; and 4, treating coal slime water which is separated out from the long-distance pipeline coal conveying terminal after the mine water is applied to the long-distance pipeline coal conveying. The utility model discloses be used for long distance pipeline coal transportation with the mine water, solve the indiscriminate problem of discharging and storing of mine water, be long distance pipeline coal transportation water economy cost simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the pipeline coal conveying, a resource configuration device that mine water is used for long distance pipeline coal conveying is related to.
Background
For a long time, environmental pollution caused by the large discharge of mine water in coal mines is subject to scaling. Along with the departure of relevant constraint policies and the technical progress, the comprehensive utilization of mine water gradually steps into the right track. But in general view, the comprehensive utilization of mine water is still a passive behavior.
The water resource and the coal yield in China are in reverse distribution. The related data show that the coal yield of 14 large coal bases accounts for more than 95% of the whole country, wherein inner Mongolia, Shanxi and Shaanxi are more main coal producing areas in China. However, the above areas are in arid and semiarid areas, water resources are short, vegetation is rare, the ecological environment is fragile, and water for coal and related industries is short. Coal mining has higher requirements on water resources. According to statistics, the average ton of coal is mined in China to generate mine water which reaches 2 tons once. Although the average water yield per ton of coal is reduced to about 1.2 tons by the layout adjustment of the coal industry in recent years, the value is still higher. Meanwhile, the problem of water resource shortage is increasingly remarkable, and mine water is lost by 60 hundred million tons every year in coal mining in China, which is equivalent to 60 percent of the water consumption of industry and civil use every year. The improvement of the utilization rate of the mine water and the realization of zero discharge of the mine water are very necessary. From the supply end, most of mine water in the coal main production area in China is high-salinity mine water, the total dissolved solids are more than 1000 mg/L, and the mine water cannot be used after being simply treated; meanwhile, due to lack of receiving water, discharge causes a series of problems of land mark water and soil loss, salinization, plant withering and the like. Therefore, environmental protection departments such as inner Mongolia and Ningxia require mine water to achieve zero emission. From the demand side, for the industrial gathering areas such as coal power and coal chemical industry parks and the like depending on coal in the areas, the requirements on the water quality and the water quantity of the used water are stepped and diversified, and the mine water is not fully utilized.
One group of data provided by the China coal industry Association shows that in 2017, the water quantity of coal mines in China reaches 53.5 hundred million tons, but the actual treatment and utilization rate is only 38.5 hundred million tons, and the utilization rate is only 72 percent. In the production process of each mine, the underground drainage quantity is large, and a large amount of abundant water is still left after treatment except for part of the self-service water of the mine; the traditional treatment mode is local drainage, but the local drainage not only causes a large amount of soil to be flooded and even pollutes the environment, but also greatly wastes water resources.
The long-distance pipeline coal conveying is characterized in that water is used as a carrier, raw coal mined in a coal mine is washed, selected or homogenized, ground into coal slurry with proper grain size distribution and concentration, and relayed by a high-pressure pump through a pipeline to be conveyed to a terminal user. The long-distance pipeline coal slurry can meet the requirements of different users after being processed by processes such as dehydration, concentration and the like at the terminal.
In the prior art, relevant research for applying mine water to long-distance pipeline coal transportation does not exist for the time being.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a resource configuration device that mine water is used for long distance pipeline coal conveying with mine water, solves the indiscriminate problem of discharging and storing of mine water, is long distance pipeline coal conveying water-saving cost simultaneously.
The utility model provides a technical scheme be, a mine water is used for long distance pipeline coal conveying's resourceization configuration device, including colliery mine water holding reservoir 1 and long distance pipeline coal conveying system 3, long distance pipeline coal conveying system 3's head end is provided with the cistern 2 that passes through the pipe connection with long distance pipeline coal conveying system 3, colliery mine water holding reservoir 1 passes through pipe connection cistern 2, long distance pipeline coal conveying system 3's terminal has coal slime water processing apparatus 4 through the pipe connection, cistern 2 still has mine water pretreatment of water device 5 through the pipe connection, mine water pretreatment of water device 5 passes through the head end of pipe connection long distance pipeline coal conveying system 3.
The utility model is also characterized in that,
a delivery pump a6 is arranged on a pipeline between the coal mine water storage pool 1 and the water storage pool 2, a delivery pump b7 is arranged on a pipeline between the water storage pool 2 and the long-distance pipeline coal conveying system 3, a delivery pump c8 is arranged on a pipeline between the long-distance pipeline coal conveying system 3 and the slime water treatment device 4, a delivery pump d9 is arranged on a pipeline between the water storage pool 2 and the mine water pretreatment device 5, and a delivery pump e10 is arranged on a pipeline between the mine water pretreatment device 5 and the long-distance pipeline coal conveying system 3.
The mine water pretreatment device 5 comprises a regulating tank a16, a coagulating sedimentation tank a17, a clarification tank a18, a V-shaped filter tank 19, an ultrafiltration device a20 and a reverse osmosis device 21 which are sequentially connected with the reservoir 2 through pipelines, and a clean water outlet of the reverse osmosis device 21 is connected with the long-distance pipeline coal conveying system 3.
The strong brine outlet of the reverse osmosis device 21 is connected with an evaporation crystallization device 22.
The slime water treatment device 4 comprises an adjusting tank 11, a coagulating sedimentation tank 12, a clarification tank 13, an active sand filter tank 14 and an ultrafiltration device 15 which are connected with the long-distance pipeline coal conveying system 3 through a pipeline.
The utility model has the advantages that:
the utility model relates to a mine water is used for resourceful configuration device of long distance pipeline coal conveying, adopt mine water resource collection to store, mine water quality analysis judges, long distance pipeline coal conveying head end preliminary treatment is up to standard, the mine water is as long distance pipeline coal conveying water, long distance pipeline coal conveying terminal coal water separation, long distance pipeline coal conveying terminal takes off the mode that the water treatment was recycled, the unified regulation and control disposes the mine water resource, realize mine water resource storage and recycle, reduce the water waste that the mine water caused because of arranging outward, a large amount of process water is practiced thrift for long distance pipeline coal conveying simultaneously, good economic benefits and environmental benefits have.
Drawings
FIG. 1 is a schematic structural diagram of a resource allocation device for long-distance pipeline coal transportation using mine water according to the present invention;
FIG. 2 is a flow chart of the operation of the resource allocation device for long distance pipeline coal transportation using mine water of the present invention;
FIG. 3 is a flow chart of the operation of the long-distance pipeline coal conveying system in the resource allocation device for long-distance pipeline coal conveying using mine water according to the present invention;
fig. 4 is a schematic structural diagram of a mine water pretreatment device in a resource allocation device for long-distance pipeline coal transportation by using mine water of the utility model;
FIG. 5 is a schematic structural diagram of a coal slurry water treatment device in a resource configuration device for long-distance pipeline coal transportation by using mine water.
In the figure, 1, a coal mine water storage pool, 2, a water storage pool, 3, a long-distance pipeline coal conveying system, 4, a coal slime water treatment device, 5, a mine water pretreatment device, 6, a conveying pump a, 7, a conveying pump b, 8, a conveying pump c, 9, a conveying pump d, 10, a conveying pump e, 11, an adjusting tank, 12, a coagulating sedimentation tank, 13, a clarification tank, 14, an active sand filter tank, 15, an ultrafiltration device, 16, an adjusting tank a, 17, a coagulating sedimentation tank a, 18, a clarification tank a, 19, a V-shaped filter tank, 20, an ultrafiltration device a, 21, a reverse osmosis device and 22 evaporative crystallization equipment are arranged.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a mine water is used for resourceful configuration device of long distance pipeline coal conveying, its structure is as shown in figure 1, including colliery mine water holding reservoir 1 and long distance pipeline coal conveying system 3, long distance pipeline coal conveying system 3's head end is provided with the cistern 2 that passes through the pipe connection with long distance pipeline coal conveying system 3, colliery mine water holding reservoir 1 passes through pipe connection cistern 2, long distance pipeline coal conveying system 3's terminal has coal slime water processing apparatus 4 through the pipe connection, cistern 2 still has mine water pretreatment of water device 5 through the pipe connection, mine water pretreatment of water device 5 passes through the head end of pipe connection long distance pipeline coal conveying system 3.
A delivery pump a6 is arranged on a pipeline between the coal mine water storage pool 1 and the water storage pool 2, a delivery pump b7 is arranged on a pipeline between the water storage pool 2 and the long-distance pipeline coal conveying system 3, a delivery pump c8 is arranged on a pipeline between the long-distance pipeline coal conveying system 3 and the slime water treatment device 4, a delivery pump d9 is arranged on a pipeline between the water storage pool 2 and the mine water pretreatment device 5, and a delivery pump e10 is arranged on a pipeline between the mine water pretreatment device 5 and the long-distance pipeline coal conveying system 3.
As shown in fig. 4, the mine water pretreatment device 5 comprises a regulating reservoir a16, a coagulating sedimentation reservoir a17, a clarification reservoir a18, a V-shaped filter 19, an ultrafiltration device a20 and a reverse osmosis device 21 which are sequentially connected with a water storage reservoir 2 through pipelines, and a clean water outlet of the reverse osmosis device 21 is connected with the long-distance pipeline coal conveying system 3.
The strong brine outlet of the reverse osmosis device 21 is connected with an evaporation crystallization device 22.
As shown in fig. 5, the slime water treatment device 4 comprises a regulating tank 11, a coagulating sedimentation tank 12, a clarification tank 13, an active sand filter tank 14 and an ultrafiltration device 15 which are connected with the terminal of the long-distance pipeline coal conveying system 3 through pipelines.
The working principle of the utility model is as shown in figure 2:
step 1, collecting and storing mine water resources: the long-distance pipeline coal conveying needs a large amount of water resources, most coal mines in a coal production base are not far away and are concentrated, mine water of nearby coal mines can be collected to the long-distance pipeline coal conveying head end reservoir 2 through laying a water conveying pipeline, the yield of the mine water of the coal mines is more, less and more, the mine water is generally discharged after reaching the standard after being treated except meeting the requirement of the production water of the mines, the utility model discloses collect and utilize the mine water resources discharged in the part, and respond to the national environmental protection policy;
if the mine water does not reach the standard, the mine water which does not reach the standard is firstly conveyed into an adjusting tank a16 to homogenize the water quality, then the mine water enters a coagulating sedimentation tank a17 to be subjected to dosing coagulation and sedimentation treatment, then the mine water enters a clarification tank a18 to be subjected to hardness removal, the mine water is subjected to filtration treatment in a V-shaped filter tank 19 after the operation, the effluent enters an ultrafiltration device a20 to be treated, the turbidity of the mine water is reduced, pollutants such as suspended and colloidal COD (chemical oxygen demand) and the like in the mine water are removed, the water quality meets the requirement of reverse osmosis influent water quality and then enters a reverse osmosis device 21 to be treated, and the salt content in the mine water is removed through reverse osmosis, so that the indexes such as chloride ions, the hardness, the alkalinity, TDS, sulfate radicals, the turbidity and the like are reduced. Clear water generated by the reverse osmosis device enters a long-distance pipeline coal conveying production system, and strong brine is evaporated and crystallized in an evaporation and crystallization device 22 to obtain sodium sulfate/sodium chloride crystals;
and 4, firstly, the slime water removed at the long-distance pipeline coal conveying terminal enters an adjusting tank 11, then enters a coagulating sedimentation tank 12 for coagulation and sedimentation treatment, then enters a high-efficiency clarification tank 13 for hardness removal treatment, then enters an active sand filtering tank 14 for filtering, and the filtered water enters an ultrafiltration device 15 for treatment, so that the water quality reaches 'urban sewage recycling industrial water quality', the treated finished water can meet the requirements of production and domestic water of chemical plants near the long-distance pipeline coal conveying terminal, and the scale formation and corrosion of equipment can be reduced due to the fact that impurities contained in the finished water are less when the finished water is used in the production process, and the service life of the equipment is prolonged.
The utility model discloses a resource configuration device that mine water is used for long distance pipeline coal transportation effectively solves the indiscriminate emission and the storage problem of mine water, realizes the regulation and control configuration of mine water resource. And the problem of large water consumption in long-distance pipeline coal conveying can be solved, a water supply guarantee is provided for long-distance pipeline coal conveying, and the water cost is saved.
Claims (5)
1. The utility model provides a mine water is used for resourceful configuration device of long distance pipeline coal conveying, a serial communication port, including colliery mine water reservoir (1) and long distance pipeline coal conveying system (3), the head end of long distance pipeline coal conveying system (3) be provided with long distance pipeline coal conveying system (3) pass through tube coupling's cistern (2), colliery mine water reservoir (1) passes through tube coupling cistern (2), there is coal slime water processing apparatus (4) at the terminal of long distance pipeline coal conveying system (3) through the pipe connection, there is mine water preprocessing device (5) cistern (2) still through the pipe connection, mine water preprocessing device (5) pass through the pipe connection the head end of long distance pipeline coal conveying system (3).
2. The resource allocation device for the long-distance pipeline coal transportation of the mine water according to claim 1, wherein a transportation pump a (6) is arranged on a pipeline between the coal mine water storage pool (1) and the water storage pool (2), a transportation pump b (7) is arranged on a pipeline between the water storage pool (2) and the long-distance pipeline coal transportation system (3), a transportation pump c (8) is arranged on a pipeline between the long-distance pipeline coal transportation system (3) and the slime water treatment device (4), a transportation pump d (9) is arranged on a pipeline between the water storage pool (2) and the mine water pretreatment device (5), and a transportation pump e (10) is arranged on a pipeline between the mine water pretreatment device (5) and the long-distance pipeline coal transportation system (3).
3. The resource allocation device for long-distance pipeline coal conveying of mine water according to claim 1 is characterized in that the mine water pretreatment device (5) comprises a regulating reservoir a (16), a coagulating sedimentation reservoir a (17), a clarification reservoir a (18), a V-shaped filter (19), an ultrafiltration device a (20) and a reverse osmosis device (21) which are sequentially connected with the water storage tank (2) through pipelines, and a clear water outlet of the reverse osmosis device (21) is connected with the long-distance pipeline coal conveying system (3).
4. A resource allocation device for long-distance pipeline coal transportation by mine water according to claim 3, characterized in that a strong brine outlet of the reverse osmosis device (21) is connected with an evaporation crystallization device (22).
5. The resource allocation device for long-distance pipeline coal conveying by using mine water as claimed in claim 1, wherein the coal slime water treatment device (4) comprises a regulating tank (11), a coagulating sedimentation tank (12), a clarification tank (13), an active sand filter (14) and an ultrafiltration device (15) which are connected with the terminal of the long-distance pipeline coal conveying system (3) through pipelines.
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| CN202023303384.4U CN214829510U (en) | 2020-12-30 | 2020-12-30 | Resource allocation device for long-distance pipeline coal conveying by using mine water |
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| CN202023303384.4U CN214829510U (en) | 2020-12-30 | 2020-12-30 | Resource allocation device for long-distance pipeline coal conveying by using mine water |
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