CN101798128A - Underground movable reverse osmosis water treating equipment and treating process thereof for coal mine - Google Patents
Underground movable reverse osmosis water treating equipment and treating process thereof for coal mine Download PDFInfo
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- CN101798128A CN101798128A CN 201010145776 CN201010145776A CN101798128A CN 101798128 A CN101798128 A CN 101798128A CN 201010145776 CN201010145776 CN 201010145776 CN 201010145776 A CN201010145776 A CN 201010145776A CN 101798128 A CN101798128 A CN 101798128A
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Abstract
The invention relates to underground movable reverse osmosis water treating equipment and a treating process thereof for a coal mine, belonging to the technical field of the reverse osmosis water treating equipment and the treating process thereof. The underground movable reverse osmosis water treating equipment for the coal mine is characterized by comprising a programmable logic controller (PLC), wherein the PLC controls and is connected with a raw water storing device for storing underground water, a pretreating device for pretreating the underground water and a pure water storing device for storing pure water through a control circuit, and a reverse osmosis device for extracting the pure water is installed between the pretreating device and the pure water storing device. In the invention, the coal mine explosionproof electrical equipment with a coal mine explosionproof safety mark is applied to the whole system, thereby meeting the working condition requirement of the coal mine for the special operating environment, and enabling the system to have the electrical explosionproof property required by a coal mine underground working environment, the volume which is suitable for being used in a narrow and small environment, movability, high maintainability and impact resistance.
Description
Technical field
The present invention relates to a kind of underground mine use movable reverse osmosis water treating equipment and treatment process thereof, belong to reverse osmosis water treating equipment and treatment process technical field thereof.
Background technology
Conventional reverse osmosis water treatment process is the pre-treatment by water, supercharging, the storage several sections flow process of reverse osmosis and former water and pure water constitutes, former water is temporary in raw water box, through the ortho-water pump delivery to pretreatment unit, carry out the pre-treatment of water, remove suspended impurity and organic pollutant in the water, be that the boost in pressure system improving that major parts is formed arrives certain system pressure via common topping-up pump again, water enters the RO film and carries out reverse-osmosis treated, obtain the finished product water of required water quality, it is temporary after common water pump exports the place to use to inject the pure water case, whole plant is fixed on the system frame, difference according to the water treatment amount, volume is also different, and security protection is in fixed-site.
At present, the employed equipment of this technology can only be used for the industrial environment of common civilian and non-explosive gas, under coal mine, have in the hazardous environment of explosion gas and can't use, and equipment volume is big, especially mechanical screening device bulky, can't move freely, the equipment protection poor performance can't be used under coal mine.
Along with the continuous development of colliery with mechanized equipment, the coal winning machinery level of automation is also improving constantly.Hydraulic support is being brought into play more and more important effect as most important coal excavation apparatus in mine production.Use in the hydraulic bracket system of emulsified waters as working medium a large amount of, the quality of water, composition are for the normal operation of hydraulic support and very big influence is all arranged work-ing life.And most underground water does not reach the standard of qualified process water, and water-quality ratio is relatively poor.Under this operating mode, because of the water quality reason cause coal excavation apparatus particularly the damage of the hydraulic unit such as valve group, screw block, column of cooling system, the hydraulic support of electric motor roll up.Cause the use maintenance cycle of equipment and working life to shorten even can't normally use, maintenance of equipment, maintenance workload increase, and accessory maintenance and cost input increase, and cause the increase of mining costs.
Summary of the invention
The objective of the invention is to solve the weak point that above-mentioned prior art exists, a kind of reasonable in design is provided, the structure deteriorate rate is low, long service life, the production efficiency height, flexible and convenient to use, the problem of solution personnel in the pit tap water, the underground mine use movable reverse osmosis water treating equipment and the treatment process thereof of raising the working environment of workers quality.
A kind of underground mine use movable reverse osmosis water treating equipment of the present invention, its special character is to comprise programmable logic controller PLC1, programmable logic controller PLC1 is useful on by the pilot circuit control linkage and stores phreatic former water storage facility, be used for underground water is carried out pretreated pretreatment unit, is used to store the pure water storage facility of pure water, and the reverse osmosis unit 18 that is used to extract pure water is installed between pretreatment unit and the pure water storage facility.
Described reverse osmosis unit is used for the down-hole, equipment is carried out the linear block layout, programmable logic controller PLC1, former water storage facility, pretreatment unit, reverse osmosis unit 18, pure water storage facility are installed on movably on the flat-bed trailer, and the periphery of flat-bed trailer is equipped with the box case of being made, be provided with viewing window by carbon steel material.
Described former water storage facility comprise with coal mine under water supply network 2 be connected, be provided with the raw water box 3 of Solenoid ball valve 16, the output terminal of raw water box 3 is connected with raw water pump 9, the effect of Solenoid ball valve 16 is by time variable control, realizes switch automatically, for raw water box 3 adds water.
Described pretreatment unit comprises the video disc disc filter 10 that is connected with raw water pump 9, disc-type strainer 10 is provided with electromagnetism tee ball valve 17, the effect of electromagnetism tee ball valve 17 is by the two-position three-way valve in the time variable control video disc disc filter 10, and then realizes the backwash process of disc-type strainer 10 by the switch of two-position three-way valve.
The output terminal of video disc disc filter 10 is connected with interior dress Scale inhibitors, is provided with the chemicals dosing plant 11 of dosing pump, and the output terminal of chemicals dosing plant 11 is connected with security personnel's strainer 12, and the output terminal of security personnel's strainer 12 is connected with pipeline topping-up pump 13.
The reverse osmosis (RO) film of described reverse osmosis unit 18 for being connected with pipeline topping-up pump 13, the periphery of reverse osmosis (RO) film is provided with the reverse osmosis (RO) putamina.
Described pure water storage facility comprises the pure water case 14 that is connected with reverse osmosis unit 18, and the output terminal of pure water case 14 is connected with pure water pump 15.
Described programmable logic controller PLC1 is provided with control explosion-proof electrical source case 4, the raw water pump explosion-proof switch 5 that is used to control raw water pump 9 switchings, the dosing pump explosion-proof switch 6 that is used to control the dosing pump switching, the pipeline topping-up pump explosion-proof switch 7 that is used for 13 switchings of pilot piping topping-up pump that is used to control Solenoid ball valve 16 and 17 switchings of electromagnetism tee ball valve, the pure water pump explosion-proof switch 8 that is used to control pure water pump 15 switchings.
Described raw water box 3, pure water case 14 are equipped with pressure unit respectively, and the effect of its pressure unit is respectively perception and the detection that realizes for raw water box water level, pure water case water level, so that the control to technical process is carried out in realization.
Pressure unit, filtration back pressure unit before described video disc disc filter 10 is equipped with and filters, pipeline topping-up pump 13 is equipped with the feed water by reverse osmosis pressure unit, the effect of its pressure unit is perception and the detection that realizes for the corresponding site actual hydraulic pressure, so that the control to technical process is carried out in realization.
Adopt the treatment process of above-mentioned underground mine use movable reverse osmosis water treating equipment, its special character is to comprise following technical process:
1, water preparation process
1), underground water water supply network 2 under coal mine is delivered to raw water box 3, water level in raw water box 3 reach a certain height (elevation of water surface generally is controlled at 0.3 meter-3 meters according to on-site actual situations), this moment, raw water box 3 interior pressure transmitters passed to programmable logic controller PLC1 with water level signal, programmable logic controller PLC1 is sent to starting-up signal raw water pump explosion-proof switch 5, dosing pump explosion-proof switch 6, pipeline topping-up pump explosion-proof switch 7 automatically, thereby raw water pump 9, dosing pump, pipeline topping-up pump 13 are opened successively.
2), underground water is delivered to video disc disc filter 10 by raw water pump 9 and filters, make phreatic outstanding turbidity after the filtration less than 5, at this moment, dosing pump is opened automatically, in the underground water that is loaded on after chemicals dosing plant 11 interior Scale inhibitorss (for example MDC220) are added to filtration, underground water after the filtration and Scale inhibitors together enter security personnel and filter in the strainer 12, again by 13 pressurizations (pressure generally increases to 1Mpa--2Mpa) of pipeline topping-up pump, after enter reverse osmosis unit 18.The effect of security personnel's strainer 12 is ultra micro small-particles of removing in the water, as the follow-up aided filter means of video disc disc filter 10, reverse osmosis unit 18 is polluted preventing.
3), the reverse osmosis (RO) films in the reverse osmosis unit 18 utilize the principle of reverse osmosis of film to carry out producing of pure water, the pure water that reverse osmosis produces is delivered in the pure water case 14.The discarded dense water that reverse osmosis process produces does not have the discharging of the nature of pressure.
4), the pure water water level in pure water case 14 reaches the height (elevation of water surface generally is controlled at 0.3 meter according to on-site actual situations--3 meters) of setting, pressure transmitter on the pure water case 14 is sent to programmable logic controller PLC1 with water level signal, programmable logic controller PLC1 is sent to pure water pump explosion-proof switch 8 with starting-up signal, this moment, pure water pump 15 unlatchings were supplied water to watering equipment.
2, backwash technique
When lamination disc filter 10 water-ins and water outlet pressure difference reach the pressure difference value that sets in advance (being generally 50--100KPa), programmable logic controller PLC1 sends signal to explosion-proof electrical source case 4, electromagnetism tee ball valve 17 begins rotation, after being filtered by lamination disc filter 10 and security personnel's strainer 12, underground water enters the two-position three-way valve of lamination disc filter 10, two-position three-way valve is opened, two-position three-way valve enters the backwash state by the filtration state, the filtering unit of lamination disc filter 10 begins back flushing, through (being generally 10 seconds-60 seconds) behind the specific time, programmable logic controller PLC1 sends signal to explosion-proof electrical source case 4, electromagnetism tee ball valve 17 resets, the two-bit triplet ball valve is closed, enter the filtration state by the backwash state, the filtering unit of lamination disc filter 10 restarts to filter;
3, automatically controlled technology
1); when being lower than the lowest water level value of setting, the water level of raw water box 3 (is generally below 0.3 meter; can set according to actual condition); pressure transmitter in the raw water box 3 passes to programmable logic controller PLC1 with water level information; programmable logic controller PLC1 is to raw water pump explosion-proof switch 5; dosing pump explosion-proof switch 6; pipeline topping-up pump explosion-proof switch 7 sends halt command; raw water pump explosion-proof switch 5; dosing pump explosion-proof switch 6; pipeline topping-up pump explosion-proof switch 7 is by the pilot circuit topping-up pump 13 of blinding off a line successively; dosing pump; raw water pump 9; when returning to prescribed value, the water level in the raw water box 3 (is generally more than 0.3 meter; can set according to actual condition); the frequency signal of the pressure transmitter on the raw water box 3 satisfies the program requirement of programmable logic controller PLC1; programmable logic controller PLC1 re-executes boot program; when being higher than the setting top water-level, the water level in the raw water box 3 (is generally more than 3 meters; can set according to actual condition); the pressure frequency of the pressure transmitter in the raw water box 3 is higher than the setting highest frequency value of programmable logic controller PLC1; programmable logic controller PLC1 gives an order to explosion-proof electrical source case 4, and the Solenoid ball valve 16 of raw water box 3 water-ins is closed.
2); when being higher than the maximum that programmable logic controller PLC1 is provided with, the intake pressure of the intake pressure of lamination disc filter 10 and reverse osmosis unit 18 (is generally 0.5Mpa-2.5MPa; can set according to actual condition) time; pressure unit before the filtration of video disc disc filter 10 installings; cross pressure unit behind the device; the pressure frequency that the feed water by reverse osmosis pressure unit of pipeline topping-up pump 13 installings will transmit to programmable logic controller PLC1 respectively is higher than the highest frequency value separately that programmable logic controller PLC1 is provided with; programmable logic controller PLC1 sends halt command; the failure condition that occurs according to reality stops corresponding malfunction equipment; equipment is carried out halt command, with the protection relevant device.Stop the operation of a complete set of movable reverse osmosis water treating equipment when fault is serious.
3) when being lower than the Schwellenwert of setting, the water level of pure water case 14 (is generally below 0.3 meter; can set according to actual condition); the frequency of pure water case 14 pressure transmitters is lower than the lowest frequency value that programmable logic controller PLC1 sets; programmable logic controller PLC1 sends halt command to pure water pump explosion-proof switch 8; pure water pump 15 is shut down; after treating that water level is replied; programmable logic controller PLC1 sends initiating signal to pure water pump explosion-proof switch 8; pure water pump 15 restarts to supply water to equipment; when being higher than the regulation maximum, the water level of pure water case 14 (is generally more than 3 meters; can set according to actual condition); the frequency of the pressure transmitter of pure water case 14 is higher than the highest frequency value that programmable logic controller PLC1 sets; programmable logic controller PLC1 is to raw water pump explosion-proof switch 5; dosing pump explosion-proof switch 6; pipeline topping-up pump explosion-proof switch sends halt command; the topping-up pump 13 of blinding off a line successively; dosing pump; raw water pump 9; the water level for the treatment of pure water case 14 is lower than prescribed value; the frequency of the pressure transmitter of pure water case 14 is lower than the set(ting)value of programmable logic controller PLC1; programmable logic controller PLC1 is to raw water pump explosion-proof switch 5; dosing pump explosion-proof switch 6; pipeline topping-up pump explosion-proof switch 7 sends power-on command; open raw water pump 9 successively; dosing pump; pipeline topping-up pump 13, equipment be normally operation again.
A kind of underground mine use movable reverse osmosis water treating equipment of the present invention, the coal mine explosion-proof electric installation that will have the coal mine explosion-proof safety notice is applied in the total system, solved the operating mode demand of the special environment for use in colliery, especially the application of explosion-proof type programmable logic controller PLC makes equipment realize unattended automatic operating, adopt stacked pretreatment unit, carry out linear modular arrangement, all systems are distributed in movably on the flat-bed trailer according to system flow, device external adds the box outer cover of the made band viewing window of carbon steel, thereby make system have the required electrical explosion proof characteristic of coal mine operation environment, adapt to the volume that narrow and small environment uses, mobility, high maintainability and shock-resistance.
Description of drawings
Fig. 1: the structural representation of a kind of underground mine use movable reverse osmosis water treating equipment of the present invention;
Among the figure: 1, programmable logic controller PLC1,2, water supply network under the coal mine, 3, raw water box, 4, explosion-proof electrical source case, 5, the raw water pump explosion-proof switch, 6, the dosing pump explosion-proof switch, 7, pipeline topping-up pump explosion-proof switch, 8, the pure water pump explosion-proof switch, 9, raw water pump, 10, lamination disc filter, 11, chemicals dosing plant, 12, security personnel's strainer, 13, pipeline topping-up pump, 14, the pure water case, 15, pure water pump, 16, Solenoid ball valve, 17, the electromagnetism tee ball valve, 18, reverse osmosis unit.
Embodiment
Provide the specific embodiment of the present invention below with reference to accompanying drawing, be used for formation of the present invention is described further.
A kind of underground mine use movable reverse osmosis water treating equipment of present embodiment, comprise programmable logic controller PLC1, programmable logic controller PLC1 is useful on by the pilot circuit control linkage and stores phreatic former water storage facility, be used for underground water is carried out pretreated pretreatment unit, is used to store the pure water storage facility of pure water, between pretreatment unit and the pure water storage facility reverse osmosis unit that is used to extract pure water is installed; Programmable logic controller PLC1, former water storage facility, pretreatment unit, reverse osmosis unit 18, pure water storage facility are installed on movably on the flat-bed trailer, and the periphery of flat-bed trailer is equipped with the box case of being made, established capable viewing window by carbon steel material; Former water storage facility comprise with coal mine under water supply network 2 be connected, be provided with the raw water box 3 of Solenoid ball valve 16, the output terminal of raw water box 3 is connected with raw water pump 9; Pretreatment unit comprises the video disc disc filter 10 that is connected with raw water pump 9, disc-type strainer 10 is provided with electromagnetism tee ball valve 17, the output terminal of video disc disc filter 10 is connected with interior dress Scale inhibitors, is provided with the chemicals dosing plant 11 of dosing pump, the output terminal of chemicals dosing plant 11 is connected with security personnel's strainer 12, and the output terminal of security personnel's strainer 12 is connected with pipeline topping-up pump 13; The reverse osmosis (RO) film of reverse osmosis unit 18 for being connected with pipeline topping-up pump 13, the periphery of reverse osmosis (RO) film is provided with the reverse osmosis (RO) putamina; The pure water storage facility comprises the pure water case 14 that is connected with reverse osmosis unit, and the output terminal of pure water case 14 is connected with pure water pump 15; Programmable logic controller PLC1 is provided with control explosion-proof electrical source case 4, the raw water pump explosion-proof switch 5 that is used to control raw water pump 9 switchings, the dosing pump explosion-proof switch 6 that is used to control the dosing pump switching, the pipeline topping-up pump explosion-proof switch 7 that is used for 13 switchings of pilot piping topping-up pump that is used to control Solenoid ball valve 16 and 17 switchings of electromagnetism tee ball valve, the pure water pump explosion-proof switch 8 that is used to control pure water pump 15 switchings; Raw water box 3, pure water case 14, video disc disc filter 10, reverse osmosis unit 18 inside all are equipped with pressure transmitter.
Adopt the processing technological flow of above-mentioned underground mine use movable reverse osmosis water treating equipment:
1, water preparation process
1), underground water water supply network 2 under coal mine is delivered to raw water box 3, water level in raw water box 3 reach a certain height (elevation of water surface generally is controlled at 0.3 meter-3 meters according to on-site actual situations), this moment, raw water box 3 interior pressure transmitters passed to programmable logic controller PLC1 with water level signal, programmable logic controller PLC1 is sent to starting-up signal raw water pump explosion-proof switch 5, dosing pump explosion-proof switch 6, pipeline topping-up pump explosion-proof switch 7 automatically, thereby raw water pump 9, dosing pump, pipeline topping-up pump 13 are opened successively.
2), underground water is delivered to video disc disc filter 10 by raw water pump 9 and filters, make phreatic outstanding turbidity after the filtration less than 5, at this moment, dosing pump is opened automatically, in the underground water that is loaded on after chemicals dosing plant 11 interior Scale inhibitorss (for example MDC220) are added to filtration, underground water after the filtration and Scale inhibitors together enter security personnel and filter in the strainer 12, again by 13 pressurizations (pressure generally increases to 1Mpa--2Mpa) of pipeline topping-up pump, after enter reverse osmosis unit 18.The effect of security personnel's strainer 12 is ultra micro small-particles of removing in the water, as the follow-up aided filter means of video disc disc filter 10, reverse osmosis unit 18 is polluted preventing.
3), the reverse osmosis (RO) films in the reverse osmosis unit 18 utilize the principle of reverse osmosis of film to carry out producing of pure water, the pure water that reverse osmosis produces is delivered in the pure water case 14.The discarded dense water that reverse osmosis process produces does not have the discharging of the nature of pressure.
4), the pure water water level in pure water case 14 reaches the height (elevation of water surface generally is controlled at 0.3 meter-3 meters according to on-site actual situations) of setting, pressure transmitter on the pure water case 14 is sent to programmable logic controller PLC1 with water level signal, programmable logic controller PLC1 is sent to pure water pump explosion-proof switch 8 with starting-up signal, this moment, pure water pump 15 unlatchings were supplied water to watering equipment.
2, backwash technique
When lamination disc filter 10 water-ins and water outlet pressure difference reach the pressure difference value that sets in advance (being generally 50--100KPa), programmable logic controller PLC1 sends signal to explosion-proof electrical source case 4, electromagnetism tee ball valve 17 begins rotation, after being filtered by lamination disc filter 10 and security personnel's strainer 12, underground water enters the two-position three-way valve of lamination disc filter 10, two-position three-way valve is opened, two-position three-way valve enters the backwash state by the filtration state, the filtering unit of lamination disc filter 10 begins back flushing, through (being generally 10 seconds-60 seconds) behind the specific time, programmable logic controller PLC1 sends signal to explosion-proof electrical source case 4, electromagnetism tee ball valve 17 resets, the two-bit triplet ball valve is closed, enter the filtration state by the backwash state, the filtering unit of lamination disc filter 10 restarts to filter;
3, automatically controlled technology
1); when being lower than the lowest water level value of setting, the water level of raw water box 3 (is generally below 0.3 meter; can set according to actual condition); pressure transmitter in the raw water box 3 passes to programmable logic controller PLC1 with water level information; programmable logic controller PLC1 is to raw water pump explosion-proof switch 5; dosing pump explosion-proof switch 6; pipeline topping-up pump explosion-proof switch 7 sends halt command; raw water pump explosion-proof switch 5; dosing pump explosion-proof switch 6; pipeline topping-up pump explosion-proof switch 7 is by the pilot circuit topping-up pump 13 of blinding off a line successively; dosing pump; raw water pump 9; when returning to prescribed value, the water level in the raw water box 3 (is generally more than 0.3 meter; can set according to actual condition); the frequency signal of the pressure transmitter on the raw water box 3 satisfies the program requirement of programmable logic controller PLC1; programmable logic controller PLC1 re-executes boot program; when being higher than the setting top water-level, the water level in the raw water box 3 (is generally more than 3 meters; can set according to actual condition); the pressure frequency of the pressure transmitter in the raw water box 3 is higher than the setting highest frequency value of programmable logic controller PLC1; programmable logic controller PLC1 gives an order to explosion-proof electrical source case 4, and the Solenoid ball valve 16 of raw water box 3 water-ins is closed.
2); when being higher than the maximum that programmable logic controller PLC1 is provided with, the intake pressure of the intake pressure of lamination disc filter 10 and reverse osmosis unit 18 (is generally 0.5Mpa-2.5MPa; can set according to actual condition) time; pressure unit before the filtration of video disc disc filter 10 installings; cross pressure unit behind the device; the pressure frequency that the feed water by reverse osmosis pressure unit of pipeline topping-up pump 13 installings will transmit to programmable logic controller PLC1 respectively is higher than the highest frequency value separately that programmable logic controller PLC1 is provided with; programmable logic controller PLC1 sends halt command; the failure condition that occurs according to reality stops corresponding malfunction equipment; equipment is carried out halt command, with the protection relevant device.Stop the operation of a complete set of movable reverse osmosis water treating equipment when fault is serious.
3); when being lower than the Schwellenwert of setting, the water level of pure water case 14 (is generally below 0.3 meter; can set according to actual condition); the frequency of the pressure transmitter of pure water case 14 is lower than the lowest frequency value of the setting of programmable logic controller PLC1; programmable logic controller PLC1 sends halt command to pure water pump explosion-proof switch 8; pure water pump 15 is shut down; after treating that water level is replied; programmable logic controller PLC1 sends initiating signal to pure water pump explosion-proof switch 8; pure water pump 15 restarts to supply water to equipment; when being higher than the regulation maximum, the water level of pure water case 14 (is generally more than 3 meters; can set according to actual condition); the frequency of the pressure transmitter of pure water case 14 is higher than the highest frequency value of the setting of programmable logic controller PLC1; programmable logic controller PLC1 is to raw water pump explosion-proof switch 5; dosing pump explosion-proof switch 6; pipeline topping-up pump explosion-proof switch sends halt command; the topping-up pump 13 of blinding off a line successively; dosing pump; raw water pump 9; the water level for the treatment of pure water case 14 is lower than prescribed value; the frequency of the pressure transmitter of pure water case 14 is lower than the set(ting)value of programmable logic controller PLC1; programmable logic controller PLC1 is to raw water pump explosion-proof switch 5; dosing pump explosion-proof switch 6; pipeline topping-up pump explosion-proof switch 7 sends power-on command; open raw water pump 9 successively; dosing pump; pipeline topping-up pump 13, equipment be normally operation again.
The underground mine use movable reverse osmosis water treating equipment of present embodiment, the coal mine explosion-proof electric installation that will have the coal mine explosion-proof safety notice is applied in the total system, solved the operating mode demand of the special environment for use in colliery, especially the application of explosion-proof type programmable logic controller PLC makes equipment realize unattended automatic operating, adopt stacked pretreatment unit, carry out linear modular arrangement, all systems are distributed in movably on the flat-bed trailer according to system flow, device external adds the box outer cover of the made band viewing window of carbon steel, thereby make system have the required electrical explosion proof characteristic of coal mine operation environment, adapt to the volume that narrow and small environment uses, mobility, high maintainability and shock-resistance.A kind of underground mine use movable reverse osmosis water treating equipment and the treatment process thereof of present embodiment have following characteristics:
1, by creationary design and exploitation, the reverse osmosis process of routine is applied under the coal mine, realized under the colliery roadway condition of the dangerous complex environment with explosion gass such as methane, narrow space layout, to use continuously, producing the function of pure water, and equipment can move in the down-hole easily, adapts to different work points;
2, the electric installation that will have a coal mine explosion-proof safety notice is applied in the total system, comprise coal peace explosion separation motor, coal peace explosion-proof switch, programmable logic controller PLC, coal peace flame proof Solenoid ball valve, coal peace flame proof electromagnetism tee ball valve, coal peace flame proof transmitter, coal peace flame proof frequency converter, coal peace flame proof power controling box etc., supporting use by above coal peace electrical equipment, solved the operating mode demand of the special environment for use in colliery, especially the application of flame-proof type programmable logic controller PLC makes equipment realize unattended automatic operating;
3, reverse osmosis unit is used for the down-hole, each equipment is carried out the linear block layout, all systems are distributed in movably on the flat-bed trailer, according to system flow, each module comprises: spliced raw water box module, pre-processing module, the electrical control module, RO membrane reverse osmosis apparatus module and middle water pure water tank module amount to 5 big modules, increase the box outer cover of the made band viewing window of carbon steel in the device external of each flat-bed trailer, thereby make system have the required electric flame proof characteristic of coal mine operation environment, adapt to the volume that narrow and small environment uses, the mobility height, maintainability and shock-resistance are strong;
4, with pressure transmitter place of water level controller, by drawing the frequency curve of pressure transmitter, calculate water level to more any frequency values, by the water level frequency values being sent to flame proof programmable logic controller PLC, according to the set(ting)value of water level frequency each electrical component of water treating equipment is controlled by flame proof programmable logic controller PLC;
5, this technology is used for the video disc disc filter under the coal mine, filter core adopts the fiber material, water SDI＜5 after having guaranteed to filter, reduced the volume of equipment, enlarged the scope (0.5-100T/h) of this cover technology water production rate, the backwash of video disc disc filter is endogenous formula, and the equipment that can guarantee cleans filter core under non-stop-machine state, has guaranteed the continuous operation of equipment;
6, adopt coal peace flame proof electromagnetism tee ball valve to change the flow direction of water, thereby control the filtration and the backwash state of the two-position three-way valve of video disc disc filter.
A kind of underground mine use movable reverse osmosis water treating equipment reasonable in design of present embodiment, the structure deteriorate rate is low, shelf life is long, and the production efficiency height is flexible and convenient to use, solve the problem of personnel in the pit's tap water, improve the working environment of workers quality, adopt the reverse osmosis water treatment process of this equipment, technical process is simple and direct, easy handling, safe and reliable.
Claims (9)
1. underground mine use movable reverse osmosis water treating equipment, it is characterized in that comprising programmable logic controller PLC (1), programmable logic controller PLC (1) is useful on by the pilot circuit control linkage and stores phreatic former water storage facility, be used for underground water is carried out pretreated pretreatment unit, is used to store the pure water storage facility of pure water, and the reverse osmosis unit (18) that is used to extract pure water is installed between pretreatment unit and the pure water storage facility.
2. according to the described a kind of underground mine use movable reverse osmosis water treating equipment of claim 1, it is characterized in that reverse osmosis unit is used for the down-hole, equipment is carried out the linear block layout, described programmable logic controller PLC (1), former water storage facility, pretreatment unit, reverse osmosis unit (18), pure water storage facility are installed on movably on the flat-bed trailer, and the periphery of flat-bed trailer is equipped with the box case of being made, be provided with viewing window by carbon steel material.
3. according to claim 1 or 2 described a kind of underground mine use movable reverse osmosis water treating equipments, it is characterized in that
Described former water storage facility comprise with coal mine under water supply network (2) be connected, be provided with the raw water box (3) of Solenoid ball valve (16), the output terminal of raw water box (3) is connected with raw water pump (9);
Described pretreatment unit comprises the video disc disc filter (10) that is connected with raw water pump (9), disc-type strainer (10) is provided with electromagnetism tee ball valve (17), the effect of electromagnetism tee ball valve (17) is by the two-position three-way valve in the time variable control video disc disc filter (10), and then realizes the backwash process of disc-type strainer (10) by the switch of two-position three-way valve;
The output terminal of video disc disc filter (10) is connected with interior dress Scale inhibitors, is provided with the chemicals dosing plant (11) of dosing pump, the output terminal of chemicals dosing plant (11) is connected with security personnel's strainer (12), and the output terminal of security personnel's strainers (12) is connected with pipeline topping-up pump (13);
The reverse osmosis (RO) film of described reverse osmosis unit (18) for being connected with pipeline topping-up pump (13), the periphery of reverse osmosis (RO) film is provided with the reverse osmosis (RO) putamina;
Described pure water storage facility comprises the pure water case (14) that is connected with reverse osmosis unit (18), and the output terminal of pure water case (14) is connected with pure water pump (15);
Described programmable logic controller PLC (1) is provided with control explosion-proof electrical source case (4), the raw water pump explosion-proof switch (5) that is used to control raw water pump (9) switching, the dosing pump explosion-proof switch (6) that is used to control the dosing pump switching, the pipeline topping-up pump explosion-proof switch (7) that is used for pilot piping topping-up pump (13) switching that is used to control Solenoid ball valve (16) and electromagnetism tee ball valve (17) switching, the pure water pump explosion-proof switch (8) that is used to control pure water pump (15) switching;
Below all adopt electric installation, comprise coal peace explosion separation motor, coal peace explosion-proof switch, flame-proof type programmable logic controller, coal peace flame proof Solenoid ball valve, coal peace flame proof electromagnetism tee ball valve, coal peace flame proof transmitter, coal peace flame proof frequency converter, coal peace flame proof power controling box with coal mine explosion-proof safety notice.
4. according to the described a kind of underground mine use movable reverse osmosis water treating equipment of claim 3, it is characterized in that raw water box (3), pure water case (14) are equipped with pressure unit respectively, by drawing the frequency curve of pressure transmitter, calculate water level to more any frequency values, by the water level frequency values is sent to the flame proof programmable logic controller, according to the set(ting)value of water level frequency each electrical component of water treating equipment is controlled by the flame proof programmable logic controller.
5. according to the described a kind of underground mine use movable reverse osmosis water treating equipment of claim 3, it is characterized in that described video disc disc filter (10) is equipped with the preceding pressure unit of filtration, filters the back pressure unit, pipeline topping-up pump (13) is equipped with the feed water by reverse osmosis pressure unit; Video disc disc filter (10) is used under the coal mine, and filter core adopts the fiber material, and the backwash of video disc disc filter is endogenous formula.
6. according to the described a kind of underground mine use movable reverse osmosis water treating equipment of claim 3, it is characterized in that adopting coal peace flame proof electromagnetism tee ball valve (17) to change the flow direction of pressure water, thus the filtration and the backwash state of the two-position three-way valve of control video disc disc filter.
7. the treatment process of a underground mine use movable reverse osmosis water treating equipment is characterized in that comprising following technical process:
Water preparation process
1), underground water water supply network (2) under coal mine is delivered to raw water box (3), water level in raw water box (3) reaches specified altitude, pressure transmitter in raw water box this moment (3) passes to programmable logic controller PLC (1) with water level signal, programmable logic controller PLC (1) is sent to starting-up signal raw water pump explosion-proof switch (5), dosing pump explosion-proof switch (6), pipeline topping-up pump explosion-proof switch (7) automatically, thereby raw water pump (9), dosing pump, pipeline topping-up pump (13) are opened successively;
2), underground water is delivered to video disc disc filter (10) by raw water pump (9) and filters, make phreatic outstanding turbidity after the filtration less than 5, at this moment, dosing pump is opened automatically, to be loaded in the underground water after the interior Scale inhibitors of chemicals dosing plant (11) is added to filtration, underground water after the filtration and Scale inhibitors together enter in security personnel's strainers (12) and filter, again by entering reverse osmosis unit (18) after pipeline topping-up pump (13) pressurization;
3), the reverse osmosis (RO) film in the reverse osmosis unit (18) utilizes the principle of reverse osmosis of film to carry out producing of pure water, the pure water that reverse osmosis produces is delivered in the pure water case (14), the discarded dense water that reverse osmosis process produces does not have the nature of pressure and discharges;
4), the pure water water level in pure water case (14) reaches the height of setting, pressure transmitter on the pure water case (14) is sent to programmable logic controller PLC (1) with water level signal, programmable logic controller PLC (1) is sent to pure water pump explosion-proof switch (8) with starting-up signal, pure water pump this moment (15) is opened, and supplies water to watering equipment.
8. according to the treatment process of the described a kind of underground mine use movable reverse osmosis water treating equipment of claim 7, it is characterized in that also comprising following technical process:
Backwash technique
When lamination disc filter (10) water-in and water outlet pressure difference reach the pressure difference value that sets in advance, programmable logic controller PLC (1) sends signal to explosion-proof electrical source case (4), electromagnetism tee ball valve (17) begins rotation, after being filtered by lamination disc filter (10) and security personnel's strainer 12, underground water enters the two-position three-way valve of lamination disc filter (10), two-position three-way valve is opened, two-position three-way valve enters the backwash state by the filtration state, the filtering unit of lamination disc filter (10) begins back flushing, through behind the specific time, programmable logic controller PLC (1) sends signal to explosion-proof electrical source case (4), electromagnetism tee ball valve 17 resets, the two-bit triplet ball valve is closed, enter the filtration state by the backwash state, the filtering unit of lamination disc filter (10) restarts to filter.
9. according to the treatment process of the described a kind of underground mine use movable reverse osmosis water treating equipment of claim 8, it is characterized in that the automatically controlled technology of technical process is
1), when the water level of raw water box (3) is lower than the lowest water level value of setting, pressure transmitter in the raw water box (3) passes to programmable logic controller PLC (1) with water level information, programmable logic controller PLC (1) is to raw water pump explosion-proof switch (5), dosing pump explosion-proof switch (6), pipeline topping-up pump explosion-proof switch (7) sends halt command, raw water pump explosion-proof switch (5), dosing pump explosion-proof switch (6), pipeline topping-up pump explosion-proof switch (7) is by the pilot circuit topping-up pump (13) of blinding off a line successively, dosing pump, raw water pump (9), when the water level in the raw water box (3) returns to prescribed value, the frequency signal of the pressure transmitter on the raw water box (3) satisfies the program requirement of programmable logic controller PLC (1), programmable logic controller PLC (1) re-executes boot program, when the water level in the raw water box (3) is higher than the setting top water-level, the pressure frequency of the pressure transmitter in the raw water box (3) is higher than the setting highest frequency value of programmable logic controller PLC (1), programmable logic controller PLC (1) gives an order to explosion-proof electrical source case (4), and the Solenoid ball valve (16) of raw water box (3) water-in is closed;
2), when the intake pressure of the intake pressure of lamination disc filter (10) and reverse osmosis unit (18) is higher than the maximum that programmable logic controller PLC (1) is provided with, pressure unit, filtration back pressure unit before the filtration of video disc disc filter (10) installing, the pressure frequency that the feed water by reverse osmosis pressure unit of pipeline topping-up pump (13) installing will transmit to programmable logic controller PLC (1) respectively is higher than programmable logic controller PLC (1) highest frequency value, and programmable logic controller PLC (1) sends halt command;
3); when the water level of pure water case (14) is lower than the Schwellenwert of setting; the frequency of the pressure transmitter of pure water case (14) is lower than the lowest frequency value of the setting of programmable logic controller PLC (1); programmable logic controller PLC (1) sends halt command to pure water pump explosion-proof switch (8); pure water pump (15) is shut down; after treating that water level is replied; programmable logic controller PLC (1) sends initiating signal to pure water pump explosion-proof switch (8); pure water pump (15) restarts to supply water to equipment; when the water level of pure water case (14) is higher than the regulation maximum; the frequency of the pressure transmitter of pure water case (14) is higher than the highest frequency value of the setting of programmable logic controller PLC (1); programmable logic controller PLC (1) is to raw water pump explosion-proof switch (5); dosing pump explosion-proof switch (6); pipeline topping-up pump explosion-proof switch sends halt command; the topping-up pump (13) of blinding off a line successively; dosing pump; raw water pump (9); the water level for the treatment of pure water case (14) is lower than prescribed value; the frequency of the pressure transmitter of pure water case (14) is lower than the set(ting)value of programmable logic controller PLC (1); programmable logic controller PLC (1) is to raw water pump explosion-proof switch (5); dosing pump explosion-proof switch (6); pipeline topping-up pump explosion-proof switch (7) sends power-on command; open raw water pump (9) successively; dosing pump; pipeline topping-up pump (13), equipment be normally operation again.
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| CN102249445A (en) * | 2011-04-26 | 2011-11-23 | 中国矿业大学(北京) | Coal bed gas produced water disposal system |
| CN102344207A (en) * | 2011-10-10 | 2012-02-08 | 戴永成 | Coal bed water drinking treatment device for mining |
| CN102716615A (en) * | 2012-07-09 | 2012-10-10 | 宁波长壁流体动力科技有限公司 | Clear water filtering station under coal mine |
| CN104961198A (en) * | 2015-07-10 | 2015-10-07 | 沁园集团股份有限公司 | Reverse osmosis water purifier and de-scaling method for same |
| CN105000698A (en) * | 2015-07-10 | 2015-10-28 | 沁园集团股份有限公司 | Reverse osmosis water purification and dispensing machine structure and energy saving method therefor |
| CN105084609A (en) * | 2015-09-22 | 2015-11-25 | 魏文华 | Explosion proof type antiosmosis integrated water purification equipment for emulsion pump station |
| CN105174511A (en) * | 2015-08-19 | 2015-12-23 | 沁园集团股份有限公司 | Multimode reverse osmosis purified water dispenser |
| CN106495344A (en) * | 2016-11-11 | 2017-03-15 | 平安开诚智能安全装备有限责任公司 | Underground coal mine water treatment system |
| CN110759507A (en) * | 2019-11-18 | 2020-02-07 | 扬州兄弟环境保护设备工程有限公司 | Method for purifying water in mine |
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| CN110759507A (en) * | 2019-11-18 | 2020-02-07 | 扬州兄弟环境保护设备工程有限公司 | Method for purifying water in mine |
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