CN113354191A - Mine water burst comprehensive treatment control system and method - Google Patents
Mine water burst comprehensive treatment control system and method Download PDFInfo
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- CN113354191A CN113354191A CN202110563806.1A CN202110563806A CN113354191A CN 113354191 A CN113354191 A CN 113354191A CN 202110563806 A CN202110563806 A CN 202110563806A CN 113354191 A CN113354191 A CN 113354191A
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- C02F11/00—Treatment of sludge; Devices therefor
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- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
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Abstract
The invention provides a mine water burst comprehensive treatment control system and a method, and the mine water burst comprehensive treatment control system comprises an underground treatment system, wherein the underground treatment system also comprises a goaf treatment subsystem, a mine port treatment subsystem and a water burst point treatment subsystem. The invention is suitable for a treatment system of mine water burst, and has the advantages of systematicness, source treatment, simple structure, flexible application, low cost, strong practicability, high treatment efficiency, good treatment effect and the like.
Description
Technical Field
The invention relates to a water treatment technology, in particular to a set of mine acidic gushing water comprehensive treatment control system which takes the water quality reaching the standard as the guide.
Background
For a long time, the acidic water pollution is serious in the mining of mines (particularly coal mines) in China, the pH value of the water quality of the gushed water is between 2 and 4, metal ions such as iron and manganese severely exceed the standard, the water flows away automatically after being gushed out from the ground without being processed, the color of a river channel flowing through the water changes, large-area farmland pollution is caused, the farming operation cannot be carried out, the water quality of a reservoir is deteriorated, fishes and shrimps cannot survive, local ecological plants flowing through the gushed water cannot grow normally, the connectivity of the original underground water system is damaged due to the mining operation, the acidic wastewater flows into the underground water system of a nearby area through an underground water channel, the surrounding underground water is deteriorated, villagers cannot use well water as drinking water sources, cultivated plants cannot use well water as irrigation water sources, and the serious problems of human living safety and ecological environment are caused. But the current mine water burst is not effectively treated.
The existing treatment technology mainly aims at carrying out ground treatment on acidic water burst on the water burst surface, most of the conventional water treatment methods are adopted, too many treatment means are not carried out on goaf source treatment and mine port treatment, so that the water burst is required to be continuously treated, a large amount of manpower, material resources and financial resources are wasted, a complete system is not formed, and the mine water burst treatment effect is greatly reduced.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a comprehensive treatment control system and a comprehensive treatment control method for mine water burst, which are suitable for a treatment system for mine water burst and have the advantages of systematicness, source treatment, simple structure, flexible application, low cost, strong practicability, high treatment efficiency, good treatment effect and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a comprehensive treatment control system for mine water burst, which comprises an underground treatment system, wherein the underground treatment system also comprises a goaf treatment subsystem, a mine opening treatment subsystem and a water burst point treatment subsystem;
the goaf treatment subsystem comprises a chemical reservoir, a first chemical adding well, a first water taking well and a first monitoring well, the mine mouth treatment subsystem comprises a lime reservoir, a second water taking well and a second monitoring well, and the water burst point treatment subsystem comprises a chemical tank, a second chemical adding well and pH online monitoring equipment;
a medicine storage is arranged beside the first medicine adding well, and the first monitoring well is used for monitoring the pH value of underground water on line and feeding a pH value signal back to the medicine storage, the lime storage and the medicine tank; a lime storage is arranged beside the mine port, and the second monitoring well is used for monitoring the pH value of underground water on line and feeding a pH value signal back to the lime storage, the medicine storage and the medicine tank; a reagent tank is arranged beside the second dosing well, and the pH online monitoring equipment is used for monitoring the pH value of water at a water burst point on line and feeding a pH value signal back to the reagent tank, the reagent storage and the lime storage;
the drug storage pumps drugs into the first dosing well according to the received pH value signal and feeds back dosing signals to the first water taking well, and the first water taking well automatically adds water into the first dosing well according to the dosing signals of the drug storage; the lime pit adds a medicament to the mine port according to the received pH value signal and feeds back a dosing signal to a second water taking well, and the second water taking well automatically adds water to the mine port according to the dosing signal of the lime pit; and the medicament tank pumps a medicament into the second medicament adding well according to the received pH value signal.
Preferably, the system also comprises a ground treatment system, wherein the ground treatment system comprises a water collecting tank, a pH adjusting tank, a reaction tank, a sedimentation tank, an integrated iron and manganese removing water purifying device, a clean water tank, a sludge tank and a filter press; the collecting basin is used for filtering the water from a water burst point, the pH adjusting tank is used for adjusting the water filtered by the collecting basin to be neutral in pH, the reaction tank is used for adding PAC + PAM reagents for reaction, the sedimentation tank is used for standing the reactants from the reaction tank, the integrated iron and manganese removing water purifying equipment is used for removing iron and manganese metal ions in the supernatant obtained after standing the sedimentation tank, the clear water tank is used for receiving the water treated by the integrated iron and manganese removing water purifying equipment, the sludge tank is used for receiving the precipitates from the sedimentation tank and the integrated iron and manganese removing water purifying equipment, and the filter press is used for dewatering the sludge in the sludge tank.
Preferably, the drug storage, the lime storage and the drug tank are all provided with automatic drug feeding systems, and the automatic drug feeding systems judge the drug feeding amount according to the pH value to automatically feed drugs.
Preferably, the drug storage, the first water taking well, the second water taking well and the drug tank are all provided with electromagnetic flow meters.
Preferably, the first monitoring well, the second monitoring well and the pH on-line monitoring equipment are used for feeding back pH value signals when monitoring signals with pH values lower than 6.5.
Preferably, the method further comprises the step of setting a casing in the first water taking well to serve as a first monitoring well, and using the first water taking well and the first monitoring well together; or a casing pipe is arranged in the second water taking well to serve as a second monitoring well, and the second water taking well and the second monitoring well are used together.
The invention also provides a mine water burst comprehensive treatment control method, which comprises the following steps:
1) a chemical storage, a first chemical adding well, a first water taking well and a first monitoring well are respectively arranged in the goaf, a lime storage, a second water taking well and a second monitoring well are arranged at the mine port, and a chemical tank, a second chemical adding well and pH online monitoring equipment are arranged at a water burst point;
2) when the pH value of water monitored by the water inrush point pH on-line monitoring equipment is lower than 6.5, feeding a monitored pH value signal back to a medicament tank, adding a medicament into a second medicament adding well by the medicament tank, simultaneously transmitting the pH value signal to a goaf medicament warehouse and a mine port lime warehouse, respectively adding medicaments into a first medicament adding well and a mine port by the goaf medicament warehouse and the mine port lime warehouse, simultaneously transmitting the medicament adding signals to a first water taking well and a second water taking well, and respectively injecting water into the first medicament adding well and the mine port by the first water taking well and the second water taking well;
3) when a first monitoring well in a goaf monitors that the pH value of underground water is lower than 6.5, transmitting a monitored pH value signal to a goaf chemical reservoir, adding a chemical into a first chemical adding well in the chemical reservoir and simultaneously transmitting the signal to a first water taking well, injecting water into the first chemical adding well after the first water taking well acquires the signal, simultaneously feeding the monitored pH value signal back to a water burst point chemical tank and a mine port lime reservoir by the first monitoring well, respectively adding chemicals into a second chemical adding well and a mine port by the water burst point chemical tank and the mine port lime reservoir, simultaneously transmitting the signal to the second water taking well at the mine port, and injecting water into the mine port by the second water taking well;
4) when the pH value of underground water monitored by a second monitoring well at the mine port is lower than 6.5, transmitting a monitored pH value signal to a lime warehouse at the mine port, adding lime into the mine port by the lime warehouse and simultaneously transmitting the signal to a second water taking well, injecting water into the mine port after the second water taking well acquires the signal, simultaneously feeding the monitored pH value signal back to a water burst point medicament tank and a goaf medicament warehouse by the second monitoring well, respectively adding medicaments into a second medicament adding well and a first medicament adding well by the water burst point medicament tank and the goaf medicament warehouse, simultaneously transmitting the signal to the first water taking well by the goaf medicament warehouse, and injecting water into the first medicament adding well by the first water taking well.
Preferably, the method further comprises: when the pH value (6.5-8) of the treated water flowing out of the ground at the water burst point reaches the standard, directly discharging the treated water through the artificial wetland; when the pH value of the treated water flowing out of the ground at the water burst point is lower than 6.5, carrying out water burst ground treatment, wherein the water burst ground treatment comprises the following steps:
the water flowing out of the ground from the water inrush point automatically flows into a water collecting tank, the water flows into a pH adjusting tank after being filtered by the water collecting tank, the water is adjusted to be neutral in pH in the pH adjusting tank and then flows into a reaction tank, a PAC + PAM medicament is added into the reaction tank, the PAC + PAM medicament flows into an inclined plate sedimentation tank after being stirred and reacted, supernatant liquid after standing in the inclined plate sedimentation tank flows into an integrated iron and manganese removing water purifying device, and the water flows into a clean water tank after iron and manganese metal ions are removed by the integrated iron and manganese removing water purifying device and is discharged after being purified by an artificial wetland.
Preferably, the water inrush surface treatment further comprises: and (3) enabling precipitates of the sedimentation tank and the integrated iron-manganese removal water purification equipment to enter a sludge tank, dehydrating and airing sludge in the sludge tank through a filter press, transporting the sludge out of the sludge tank, and refluxing sludge dehydration supernatant into a pH regulating tank.
Preferably, lime or caustic soda flakes are added into the pH adjusting tank, and water is adjusted to neutral pH by stirring.
Compared with the prior art, the invention has the advantages that:
the invention belongs to an integrated mine water burst treatment system, and relates to a three-dimensional treatment method integrating source treatment, middle-end treatment and tail-end treatment, which is used for controlling the environmental pollution problem of mine water burst from the source and mainly adopts two source treatment schemes of goaf treatment and mine port treatment to ensure the safety of mine water burst. According to the invention, the automatic control system is applied to the whole process of mine water burst treatment, and each node is subjected to online control and visual remote control.
Drawings
FIG. 1 is an overall technical architecture diagram of the present invention;
FIG. 2 is a schematic view of the treatment of an underground portion of the present invention;
FIG. 3 is a flow chart of the surface portion remediation of the present invention.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings and the detailed description. It is understood that the following work flow, unless otherwise specified, can be implemented by conventional technical means (such as an automatic medicine feeding system, an electromagnetic flow meter, a remote control method, and the like, which are used hereinafter).
The invention discloses a treatment system suitable for mine water burst, which mainly relates to the following aspects:
in-situ geological exploration
The method is characterized in that hydrogeology, engineering geology and environmental geology conditions of a mining area are found out in detail through a professional geological exploration team, the direction of underground water is found out, the type of underground water is found out, the conditions of supply, runoff and drainage of mine pit water are found out, the water inflow and seasonal change rules of the mine pit are found out, and the underground water flow and pollutant concentration are found out.
Finding out the positions of goaf, mine port and water burst point
The specific range, volume and boundary of the underground goaf are found out through field investigation, personnel visit, data collection and other modes, the positions and coordinates of all mine ports and water burst points are found out, detailed records are made, and a record is established.
Thirdly, measuring the water inflow
Directly measuring the flow of the river by using a flowmeter; the flow meters are various, mainly have the types such as pressure difference type, electromagnetic type, chute formula and weir formula flowmeter, can select to use according to the flow range and the required use of test accuracy of actual flow.
Site selection
And selecting a proper place for facilitating engineering construction according to the positions of the goaf, the mine port and the water burst point and the site environment condition.
Fifth, mine water burst treatment scheme
The mine water burst treatment scheme comprises four interrelated treatment schemes, and the implementation mode of the four interrelated treatment schemes comprises the following steps: an underground portion and a ground portion; the underground part is implemented as follows: a goaf treatment scheme, a mine port treatment scheme and an inrush point treatment scheme; the ground part embodiment is: the invention relates to a water burst ground treatment scheme, wherein the underground part is used as source treatment and mainly used as the main part.
1. And (3) a goaf treatment scheme:
selecting a proper position, and drilling three kinds of well bores on the upper part of the goaf: one well is a dosing (lime powder) well, a medicine storehouse is arranged beside the dosing well, an automatic medicine feeding system is arranged in the medicine storehouse, the medicine storehouse is driven into a goaf to be used for filling medicine (the medicine well adopts a bell mouth shape, so that the lime powder is conveniently added), and an anti-blocking facility is arranged at the same time; one well is a water taking well, the water taking well is provided with an electromagnetic flow meter and is driven into an aquifer to be used as a water source (the water source can also be rainwater collection) for injecting water to dissolve the diluted medicament at the medicament adding position of the goaf; a well is a monitoring well, an online automatic monitoring device for groundwater quality is arranged, the groundwater quality online automatic monitoring device is driven into an aquifer to monitor the pH value of groundwater online, the online automatic monitoring device for groundwater quality monitors the pH value online, a signal that the pH value is lower than 6.5 is monitored, the signal is transmitted to a drug storage beside a goaf through the pH value signal, an electromagnetic flowmeter is arranged on the drug storage to control the flow of a drug, the drug storage is pumped into the goaf to add the proper amount of the drug into a drug well according to the pH value signal, a water taking well obtains a drug storage drug adding signal at the same time, and water is automatically added into the drug well through the water taking well electromagnetic flowmeter according to.
Three wells are arranged in groups at a selected place, a medicine storehouse is arranged at the same time, and a flexible material is arranged in the medicine adding well for sealing and protecting. Note: if the water injection well and the monitoring well can be combined into one, the two wells are combined, namely, the monitoring well is driven into a water-bearing stratum (an underground water channel), a casing pipe is arranged in the water taking well to serve as the monitoring well, the two wells are combined, and one well is a dosing (lime powder) well; one opening is a water taking well and a pH monitoring well which share one well.
2. Mine port treatment scheme:
the method comprises the following steps of searching a mine port, finding out space, shape and depth of the mine port, adding a medicament (limestone) into the mine port, plugging the mine port by limestone, arranging a lime pit at the mine port, and drilling two types of well drilling at the mine port by using an automatic medicament feeding system of the lime pit device: one well is a water taking well, the water taking well is provided with an electromagnetic flow meter and is driven into an aquifer to be used as a water source (the water source can also be rainwater collection) for injecting water to a medicament adding position of a mine port to dissolve a diluted medicament; a well is a monitoring well, and is provided with an online automatic groundwater quality monitoring device, wherein the online automatic groundwater quality monitoring device is driven into an aquifer to monitor the pH value of groundwater online, the online automatic groundwater quality monitoring device monitors the pH value online, monitors a signal that the pH value is lower than 6.5, transmits the monitored pH value signal to a mine port lime storage, the lime storage adds lime into the mine port, a water taking well obtains a lime storage dosing signal at the same time, and water is automatically added into the mine port through a water taking well electromagnetic flowmeter according to the added lime amount.
Two wells are arranged in a group at a selected place, a lime storage is arranged at the same time, and a flexible material is arranged at a mine opening for sealing and protecting. Note: if the water injection well and the pH monitoring well can be combined into one, the two wells are combined, namely, the monitoring well is driven into a water-bearing stratum (underground water channel), a sleeve pipe is arranged in the water taking well to serve as the monitoring well, and the two wells are combined to form a group, so that the water taking well and the pH monitoring well are combined.
3. And (3) a water burst point treatment scheme:
at gush water some suitable position department, beat and add the medicine well and be used for adding medicament (lime wash or sodium hydroxide solution), set up the reagent groove simultaneously and ensure the medicament supply beside adding the medicine well, at gush water some online automatic monitoring equipment of device quality of water, the pH value that is mainly used for monitoring the water that flows out ground changes, the online automatic monitoring equipment of quality of water monitors the pH value on line, monitor the signal that the pH value is less than 6.5, transmit the reagent groove beside gushing water some through the pH value signal, install the flow that electromagnetic flowmeter controlled the medicament at the reagent groove, it reacts to go into the appropriate amount of medicament of medicine well according to gained pH value signal pump by the reagent groove.
4. The water burst ground treatment scheme is as follows:
when the water burst ground treatment facility receives a pH value (pH is 6.5-8) standard signal transmitted from a water burst point, water flowing out from the water burst point is directly discharged after passing through the artificial wetland pool.
When the water burst ground treatment facility receives an unqualified alarm signal with the pH value lower than 6.5 transmitted from the water burst point, the water burst ground treatment facility starts: the method comprises the following steps of enabling water at a water burst point to automatically flow into a water collecting tank, enabling the water to flow into a pH adjusting tank after being filtered by the water collecting tank, adding lime or caustic soda flakes into the pH adjusting tank, adjusting the pH value of the water to be neutral (pH value is 6.5-8) through stirring, enabling the water to flow into a reaction tank, adding a PAC + PAM medicament into the reaction tank, enabling the water to flow into an inclined plate sedimentation tank after stirring reaction, enabling supernatant liquid after standing in the inclined plate sedimentation tank to flow into an integrated iron and manganese removal water purifier, enabling the water to flow into a clean water tank after iron and manganese metal ions are removed after the water passes through the integrated iron and manganese removal water purifier, enabling the water to flow into an artificial wetland through the clean water tank, enabling the water to be discharged after being purified by the artificial wetland, enabling precipitates of the sedimentation tank and the integrated iron and manganese removal water purifier to enter a sludge tank, carrying out treatment after sludge in the sludge tank is dehydrated and dried by a filter press, and enabling the supernatant liquid after being dehydrated to flow back into the pH adjusting tank.
Automatic control system
The automatic control system adopted in the invention comprises a pH on-line monitoring feedback system, a visual remote control system and a power system.
The monitoring of the pH on-line monitoring feedback system comprises the on-line automatic monitoring of groundwater water quality and the on-line automatic monitoring of water quality.
Firstly, a water quality on-line monitoring device is arranged at a water burst point, the pH value monitored by the water quality on-line monitoring device is fed back to automatic dosing systems at three positions of the water burst point, a mine port and a goaf, the three automatic dosing systems judge dosing quantity according to the pH value and automatically dose drugs to each dosing well (or the mine port), the water consumption required by water injection dilution is automatically judged according to the automatic dosing drug quantity, and water taking wells at the mine port and the goaf obtain signal feedback and then automatically inject water to the mine port and the dosing wells.
Secondly, an online automatic monitoring device for underground water quality is arranged at the mine port, the pH value monitored by the online automatic monitoring device for underground water quality is fed back to automatic dosing systems at three positions of a water burst point, the mine port and a goaf, the three automatic dosing systems judge dosing amount according to the pH value and automatically dose drugs to each dosing well (or the mine port), the water consumption required by water injection dilution is automatically judged according to the automatically dosed drug amount, and water taking wells at the mine port and the goaf obtain signal feedback and then automatically inject water to the mine port and the dosing wells.
And thirdly, arranging underground water quality on-line automatic monitoring equipment at the goaf, feeding back the pH value monitored by the underground water quality on-line automatic monitoring equipment to automatic dosing systems at three positions of a water burst point, a mine port and the goaf, judging the dosing amount according to the pH value by the three automatic dosing systems, automatically dosing the dosing agent to each dosing well (or the mine port), automatically judging the water consumption required by water injection dilution by the automatic dosing agent amount, and automatically injecting water to the mine port and the dosing wells after the water taking wells at the mine port and the goaf acquire signal feedback.
And finally, the mine water burst ground treatment process determines whether to automatically start the ground treatment process according to whether the alarm signal of the treatment result of the underground part is received. When the treatment effect of the underground part of the water burst of the mine reaches the standard, the water burst of the water burst point is directly discharged through the artificial wetland (pool). When the treatment effect of the underground part of the water burst of the mine is poor, the pH water quality on-line monitoring equipment at the water burst point can feed back an alarm signal to the ground treatment system, then the ground water treatment system acts, and the ground treatment system serves as a last protective barrier to ensure that the effluent reaches the standard.
According to the invention, the automatic control system is applied to the whole process of mine water burst treatment, all nodes are controlled on line and controlled visually and remotely, the visual remote control can be realized by the existing APP visual online remote control technology, the power system mainly uses photovoltaic energy and an auxiliary power grid, and based on the above description, a person skilled in the art can select a proper technical means without limitation.
The working process of the invention is as follows:
with reference to fig. 1 and 2, a signal that the pH value is lower than 6.5 is monitored through a water burst point water quality online monitoring device, the pH signal is fed back to a medicament tank at the water burst point through a signal feedback system, the medicament tank device controls the medicament adding amount through an electromagnetic flow meter, the monitored pH value signal is fed back to a goaf medicament storage and a mine port lime storage, the goaf medicament storage and the mine port lime storage add medicament to a first medicament adding well and a mine port through an automatic medicament adding system, the first medicament adding well and the lime storage transmit the signal to a first water taking well and a second water taking well, and the first water taking well and the second water taking well inject water into the first medicament adding well and the mine port through the electromagnetic flow meter. When underground water quality on-line monitoring equipment monitors that the pH value of underground water is lower than 6.5 at a goaf, a pH signal is transmitted to a goaf chemical reservoir, a chemical is added into a first chemical adding well through an automatic chemical adding system in the chemical reservoir, the signal is transmitted to a first water taking well through the chemical reservoir, the first water taking well injects water into the first chemical adding well through an electromagnetic flow meter after acquiring the signal, the monitored pH value signal is fed back to a water burst point chemical tank and a mine port lime reservoir, the water burst point chemical tank respectively adds chemicals to a water burst point second chemical adding well and a mine port through the electromagnetic flow meter and the mine port lime reservoir through the automatic chemical adding system, the signal is transmitted to a second water taking well through the mine port lime reservoir, and the water is injected into the mine port through the electromagnetic flow meter in the second water taking well. When underground water quality on-line monitoring equipment at a mine port monitors that the pH value of underground water is lower than 6.5, a pH signal is transmitted to a mine port lime storage, lime is added into the mine port through an automatic chemical adding system by the lime storage, meanwhile, the lime storage transmits the signal to a second water taking well, water is injected into the mine port through an electromagnetic flow meter after the second water taking well acquires the signal, the monitored pH value signal is fed back to a water inrush point chemical tank and a goaf chemical storage, chemicals are added into the second chemical adding well and the first chemical adding well through the electromagnetic flow meter and the goaf chemical storage respectively, meanwhile, the first chemical adding well transmits the signal to the first water taking well, and water is injected into the first chemical adding well through the electromagnetic flow meter by the first water taking well. Note: for the convenience of distinguishing, the water taking well at the goaf is called a first water taking well, the water taking well at the mine mouth is called a second water taking well, the chemical adding well at the goaf is called a first chemical adding well, the chemical adding well at the water burst point is called a second chemical adding well, the first water taking well and the second water taking well can be the same or different, the first chemical adding well and the second chemical adding well can be the same or different, and the method is not limited herein.
When the water burst ground treatment facility receives a pH value (pH is 6.5-8) standard signal transmitted from a water burst point, water flowing out from the water burst point is directly discharged after passing through the artificial wetland pool. When the water burst ground treatment facility receives an substandard alarm signal that the pH value is lower than 6.5 and transmitted from a water burst point, the water burst ground treatment is started, as shown in figure 3, the water at the water burst point automatically flows into a water collecting tank, the water flows into a pH adjusting tank after being filtered by the water collecting tank, lime or caustic soda flakes are added into the pH adjusting tank to adjust the pH value to be neutral through stirring, the water flows into a reaction tank, PAC + PAM medicament is added into the reaction tank to perform stirring reaction, the water flows into an inclined plate sedimentation tank, supernatant liquid standing in the inclined plate sedimentation tank flows into an integrated iron and manganese removal water purifier, the water flows into a clean water tank after passing through the integrated iron and manganese removal water purifier, the water flows into an artificial wetland through the clean water tank and is purified by the artificial wetland, precipitates of the sedimentation tank and the integrated iron and manganese removal water purifier enter a sludge tank, sludge in the sludge tank is dehydrated through a filter press and then is transported outside, and returning the supernatant of the sludge dewatering into the pH adjusting tank.
While the embodiments of the present invention have been described in detail, the present invention is not limited to the embodiments, and various changes can be made without departing from the scope of the present invention.
Claims (10)
1. A mine water burst comprehensive treatment control system comprises an underground treatment system, wherein the underground treatment system also comprises a goaf treatment subsystem, a mine port treatment subsystem and a water burst point treatment subsystem;
the goaf treatment subsystem comprises a chemical reservoir, a first chemical adding well, a first water taking well and a first monitoring well, the mine mouth treatment subsystem comprises a lime reservoir, a second water taking well and a second monitoring well, and the water burst point treatment subsystem comprises a chemical tank, a second chemical adding well and pH online monitoring equipment;
a medicine storage is arranged beside the first medicine adding well, and the first monitoring well is used for monitoring the pH value of underground water on line and feeding a pH value signal back to the medicine storage, the lime storage and the medicine tank; a lime storage is arranged beside the mine port, and the second monitoring well is used for monitoring the pH value of underground water on line and feeding a pH value signal back to the lime storage, the medicine storage and the medicine tank; a reagent tank is arranged beside the second dosing well, and the pH online monitoring equipment is used for monitoring the pH value of water at a water burst point on line and feeding a pH value signal back to the reagent tank, the reagent storage and the lime storage;
the drug storage pumps drugs into the first dosing well according to the received pH value signal and feeds back dosing signals to the first water taking well, and the first water taking well automatically adds water into the first dosing well according to the dosing signals of the drug storage; the lime pit adds a medicament to the mine port according to the received pH value signal and feeds back a dosing signal to a second water taking well, and the second water taking well automatically adds water to the mine port according to the dosing signal of the lime pit; and the medicament tank pumps a medicament into the second medicament adding well according to the received pH value signal.
2. The mine water burst comprehensive treatment control system according to claim 1, further comprising a ground treatment system, wherein the ground treatment system comprises a water collecting tank, a pH adjusting tank, a reaction tank, a sedimentation tank, an integrated iron and manganese removing water purifying device, a clean water tank, a sludge tank and a filter press; the collecting basin is used for filtering the water from a water burst point, the pH adjusting tank is used for adjusting the water filtered by the collecting basin to be neutral in pH, the reaction tank is used for adding PAC + PAM reagents for reaction, the sedimentation tank is used for standing the reactants from the reaction tank, the integrated iron and manganese removing water purifying equipment is used for removing iron and manganese metal ions in the supernatant obtained after standing the sedimentation tank, the clear water tank is used for receiving the water treated by the integrated iron and manganese removing water purifying equipment, the sludge tank is used for receiving the precipitates from the sedimentation tank and the integrated iron and manganese removing water purifying equipment, and the filter press is used for dewatering the sludge in the sludge tank.
3. The mine water burst comprehensive treatment control system according to claim 1, wherein the chemical storage, the lime storage and the chemical tank are provided with automatic chemical feeding systems, and the automatic chemical feeding systems judge chemical feeding amount according to pH value to automatically feed chemicals.
4. The mine water burst comprehensive treatment control system according to claim 1, wherein the chemical storage, the first water intake well, the second water intake well and the chemical tank are provided with electromagnetic flow meters.
5. The mine water burst comprehensive treatment control system according to any one of claims 1-4, wherein the first monitoring well, the second monitoring well and the pH on-line monitoring device perform pH signal feedback when monitoring a signal with a pH value lower than 6.5.
6. The mine water burst comprehensive treatment control system according to claim 1, further comprising a casing pipe in the first water intaking well as a first monitoring well, wherein the first water intaking well and the first monitoring well are shared; or a casing pipe is arranged in the second water taking well to serve as a second monitoring well, and the second water taking well and the second monitoring well are used together.
7. A mine water burst comprehensive treatment control method comprises the following steps:
1) a chemical storage, a first chemical adding well, a first water taking well and a first monitoring well are respectively arranged in the goaf, a lime storage, a second water taking well and a second monitoring well are arranged at the mine port, and a chemical tank, a second chemical adding well and pH online monitoring equipment are arranged at a water burst point;
2) when monitoring that the pH value of water is lower than 6.5, water inflow point pH on-line monitoring equipment feeds a monitored pH value signal back to a reagent tank, the reagent tank adds a reagent into a second reagent adding well, simultaneously transmits the pH value signal to a goaf reagent reservoir and a mine port lime reservoir, the goaf reagent reservoir and the mine port lime reservoir respectively add the reagent into a first reagent adding well and a mine port, simultaneously transmits the reagent adding signal to a first water taking well and a second water taking well, and the first water taking well and the second water taking well respectively inject water into the first reagent adding well and the mine port;
3) when a first monitoring well in a goaf monitors that the pH value of underground water is lower than 6.5, transmitting a monitored pH value signal to a goaf chemical reservoir, adding a chemical into a first chemical adding well in the chemical reservoir and simultaneously transmitting the signal to a first water taking well, injecting water into the first chemical adding well after the first water taking well acquires the signal, simultaneously feeding the monitored pH value signal back to a water burst point chemical tank and a mine port lime reservoir by the first monitoring well, respectively adding chemicals into a second chemical adding well and a mine port by the water burst point chemical tank and the mine port lime reservoir, simultaneously transmitting the signal to the second water taking well at the mine port, and injecting water into the mine port by the second water taking well;
4) when the pH value of underground water monitored by a second monitoring well at the mine port is lower than 6.5, transmitting a monitored pH value signal to a lime warehouse at the mine port, adding lime into the mine port by the lime warehouse and simultaneously transmitting the signal to a second water taking well, injecting water into the mine port after the second water taking well acquires the signal, simultaneously feeding the monitored pH value signal back to a water burst point medicament tank and a goaf medicament warehouse by the second monitoring well, respectively adding medicaments into a second medicament adding well and a first medicament adding well by the water burst point medicament tank and the goaf medicament warehouse, simultaneously transmitting the signal to the first water taking well by the goaf medicament warehouse, and injecting water into the first medicament adding well by the first water taking well.
8. The method of claim 7, further comprising: when the pH value of the treated water flowing out of the ground at the water burst point reaches the standard, the treated water is directly discharged through the artificial wetland; when the pH value of the treated water flowing out of the ground at the water burst point is lower than 6.5, carrying out water burst ground treatment, wherein the water burst ground treatment comprises the following steps:
the water flowing out of the ground from the water inrush point automatically flows into a water collecting tank, the water flows into a pH adjusting tank after being filtered by the water collecting tank, the water is adjusted to be neutral in pH in the pH adjusting tank and then flows into a reaction tank, a PAC + PAM medicament is added into the reaction tank, the PAC + PAM medicament flows into an inclined plate sedimentation tank after being stirred and reacted, supernatant liquid after standing in the inclined plate sedimentation tank flows into an integrated iron and manganese removing water purifying device, and the water flows into a clean water tank after iron and manganese metal ions are removed by the integrated iron and manganese removing water purifying device and is discharged after being purified by an artificial wetland.
9. The method of claim 8, wherein the surface treatment of water gushing further comprises: and (3) enabling precipitates of the sedimentation tank and the integrated iron-manganese removal water purification equipment to enter a sludge tank, dehydrating and airing sludge in the sludge tank through a filter press, transporting the sludge out of the sludge tank, and refluxing sludge dehydration supernatant into a pH regulating tank.
10. The method according to claim 8, wherein lime or flake caustic soda is added to the pH adjusting tank to adjust the pH of the water to neutral by stirring.
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