Summary of the invention
The purpose of this utility model provides a kind of good, stable, simple to operate rural potable water treating plant of water water quality that produces, high and the underground water that is subjected to Organic pollutants of iron, manganese content is after this device processes, produce water and can reach drinking water sanitary standard, be applicable to Rural areas drink water purifying processing.
Rural potable water treating plant of the present utility model, it is characterized in that: comprise the filtration pump that connects by pipeline successively, ejector, the quartz sand filtration device, the filtration with manganese sand device, security personnel's strainer, topping-up pump, nanofiltration membrane component and clear water water tank, the filtered water inlet pipe is connected with filtration pump, filtered water inlet is promoted and pressurizes, after ejector is connected filtration pump, be used for filtered water inlet is carried out aeration, after the quartz sand filtration device is installed in ejector, from being positioned at the water-in water inlet of strainer upper end, from being positioned at the water outlet water outlet of strainer lower end, quartz sand filtration device top is provided with automatic exhaust steam valve, be used for the discharge filter gas inside, filtration with manganese sand device water-in links to each other with the water outlet of quartz sand filtration device lower end, filtration with manganese sand device top is provided with automatic exhaust steam valve, be used for the discharge filter gas inside, the filtration with manganese sand device is from being positioned at the water outlet water outlet of strainer lower end, filtration with manganese sand device water outlet links to each other with security personnel's filter inlet, security personnel's filter outlet links to each other with the topping-up pump import, the topping-up pump outlet links to each other with the nanofiltration membrane component water-in, the dense water of nanofiltration membrane component is discharged from concentrated water spout, produce water and discharge and be delivered to the clear water water tank from producing the mouth of a river, clear water water tank inside is provided with fluid level controller, by the automatic controlled filter pump of the two position in the water tank, the start and stop of topping-up pump.
Rural potable water treating plant of the present utility model, it is characterized in that: also comprise by backwashing pump, the back flushing water inlet pipe, the back-purge system that back flushing water shoot and water filtering and draining pipe are formed, the clear water water tank links to each other with backwashing pump, produce water as backwashing water with nanofiltration, backwashing pump links to each other with the back flushing water inlet pipe, the back flushing water inlet pipe be positioned at the quartz sand filtration device, the water outlet of filtration with manganese sand device lower end links to each other, backwashing water enters from water outlet, strainer is carried out counterflush, the back flushing water shoot be positioned at the quartz sand filtration device, the water-in of filtration with manganese sand device upper end links to each other, and backwashing water is discharged from water-in.Water filtering and draining pipe links to each other with the water outlet that is positioned at quartz sand filtration device, filtration with manganese sand device lower end, is used for residual backwashing water in the emptying strainer after back flushing finishes.
Rural potable water treating plant of the present utility model, it is characterized in that: also comprise by medicine-chest, chemical cleaning pump, the matting strainer, the chemically-cleaning device that matting water inlet pipe and matting rising pipe are formed, online nanofiltration membrane component is carried out matting, matting water is successively by the medicine-chest chemical cleaning pump of flowing through, the matting strainer, matting water inlet pipe and nanofiltration membrane component water-in, in nanofiltration membrane component, carry matting water from water-in, the matting rising pipe is connected with the nanofiltration membrane component concentrated water spout, outwards exports matting water from concentrated water spout; The matting rising pipe also links to each other with medicine-chest, and the matting water of output is back to medicine-chest.
Ejector of the present utility model is installed on the filtered water inlet pipeline, compact construction; Ejector can air-breathing voluntarily and air feed, does not need air compressor machine, gas blower or the complicated first-class aerator of pipeline, aeration.Quartz sand filtration device, filtration with manganese sand device be as the pretreatment component of nanofiltration, is used to remove can cause film to pollute or the Fe of membrane damage
2+, Mn
2+, suspended substance and colloid, guarantee the normal operation of nanofiltration membrane component.Nanofiltration membrane component is as the core component of drinking water purification equipment, be used for removing the objectionable impurities such as organic pollutant, heavy metal ion, bacterium, virus of water, keep trace element and mineral substance simultaneously to the human body beneficial, stable effluent quality can access high-quality, healthy Drinking Water.The working order of equipment can realize automatic control, and operational management is simple, and is strong in the suitability of Rural areas.
Back-purge system is used for quartz sand filtration device, filtration with manganese sand device are carried out back flushing, guarantees the steady running of strainer.Chemically-cleaning device is used for online nanofiltration membrane component being carried out matting, prevents that effectively film from polluting, and prolongs the work-ing life of nanofiltration membrane.
Embodiment
Rural potable water treating plant of the present utility model, comprise the filtration pump 1, ejector 2, quartz sand filtration device 3, filtration with manganese sand device 4, security personnel's strainer 5, topping-up pump 6, nanofiltration membrane component 7 and the clear water water tank 8 that connect by pipeline successively, and back-purge system and chemically-cleaning device.The filtered water inlet pipe is connected with filtration pump 1, filtered water inlet is promoted and pressurizes, after ejector 2 is connected filtration pump 1, be used for filtered water inlet is carried out aeration, after quartz sand filtration device 3 is installed in ejector 2, from being positioned at the water-in water inlet of strainer upper end, from being positioned at the water outlet water outlet of strainer lower end, quartz sand filtration device 3 tops are provided with automatic exhaust steam valve V13, be used for the discharge filter gas inside, filtration with manganese sand device 4 water-ins link to each other with the water outlet of quartz sand filtration device 3 lower ends, filtration with manganese sand device 4 tops are provided with automatic exhaust steam valve V23, be used for the discharge filter gas inside, filtration with manganese sand device 4 is from being positioned at the water outlet water outlet of strainer lower end, filtration with manganese sand device 4 water outlets link to each other with 5 imports of security personnel's strainer, 5 outlets of security personnel's strainer link to each other with topping-up pump 6 imports, topping-up pump 6 outlets link to each other with nanofiltration membrane component 7 water-ins, the dense water of nanofiltration membrane component is discharged from concentrated water spout T42, produce water and discharge and be delivered to clear water water tank 8 from producing mouth of a river T43, clear water water tank 8 inside are provided with fluid level controller 13, by the automatic controlled filter pump 1 of the two position in the water tank, the start and stop of topping-up pump 6.
Back-purge system comprises backwashing pump 9, back flushing water inlet pipe T5, back flushing water shoot T12 and T22, water filtering and draining pipe T14 and T24.Clear water water tank 8 links to each other with backwashing pump 9, produce water as backwashing water with nanofiltration, backwashing pump 9 links to each other with back flushing water inlet pipe T5, back flushing water inlet pipe T5 links to each other with the water outlet that is positioned at quartz sand filtration device 3, filtration with manganese sand device 4 lower ends, backwashing water enters from water outlet, strainer is carried out counterflush, and back flushing water shoot T12 links to each other with the water-in that is positioned at quartz sand filtration device 3, filtration with manganese sand device 4 upper ends with T22, and backwashing water is discharged from water-in.Water filtering and draining pipe T14 links to each other with the water outlet that is positioned at quartz sand filtration device 3, filtration with manganese sand device 4 lower ends with T24, is used for residual backwashing water in the emptying strainer after back flushing finishes.
Chemically-cleaning device comprises by medicine-chest 10, chemical cleaning pump 11, matting strainer 12, and matting water inlet pipe T32 and matting rising pipe T41 onlinely carry out matting to nanofiltration membrane component 7.Matting water is successively by medicine-chest 10 flow through chemical cleaning pump 11, matting strainer 12, matting water inlet pipe T32 and nanofiltration membrane component 7 water-ins, in nanofiltration membrane component 7, carry matting water from water-in, matting rising pipe T41 is connected with nanofiltration membrane component concentrated water spout T42, outwards exports matting water from concentrated water spout; Matting rising pipe T41 also links to each other with medicine-chest 10, and the matting water of output is back to medicine-chest 10.
The working process of the utility model equipment is as follows:
(1) water inlet is carried out aeration by filtration pump 1 pressurization and by ejector 2;
(2) open valve V11 and V16, valve-off V12, V14 and V15, the filtered water inlet of aeration enters quartz sand filtration device 3 by filtered water inlet pipe T11 through pressurizeing also, and after filtering, water outlet is exported by rising pipe T16;
(3) open valve V21 and V26, valve-off V22, V24 and V25, the water outlet of quartz sand filtration device 3 enters filtration with manganese sand device 4 by water inlet pipe T21, and after filtering, water outlet is exported by rising pipe T26;
(4) water outlet of filtration with manganese sand device 4 enter security personnel strainer 5 filter;
(5) water outlet of security personnel's strainer 5 is carried out supercharging by topping-up pump 6;
(6) open valve V31 and V42, valve-off V32 and V41, the water after the supercharging enters nanofiltration membrane component 7 by water inlet pipe T31, and behind membrane filtration, dense water is drained by dense water pipe T42 output, produces water and is delivered to clear water water tank 8 by water producing pipe T43.
In the utility model, back-purge system is as follows to the back flushing working process of quartz sand filtration device 3:
(1) stops filtration pump 1, valve-off V11, V14 and V16, open valve V12 and V15, open backwashing pump 9, water in the clear water water tank is successively by backwashing pump 9, back flushing water inlet main T5, arm T15, enter strainer from quartz sand filtration device 3 lower end water outlets, strainer is carried out counterflush, the back flushing water outlet is drained by the back flushing water shoot T12 of strainer upper end.
(2) stop backwashing pump 9, valve-off V12 and V15 open valve V11 and V14, open filtration pump 1, water inlet enters quartz sand filtration device 3 by filtration pump 1, ejector 2, filtered water inlet pipe T11 successively, and water outlet is drained by the water filtering and draining pipe T14 of strainer lower end.
In the utility model, back-purge system is as follows to the back flushing working process of filtration with manganese sand device 4:
(1) stops filtration pump 1, valve-off V21, V24 and V26, open valve V22 and V25, open backwashing pump 9, water in the clear water water tank is successively by backwashing pump 9, back flushing water inlet main T5, arm T25, enter strainer from filtration with manganese sand device 4 lower end water outlets, strainer is carried out counterflush, the back flushing water outlet is drained by the back flushing water shoot T22 of strainer upper end.
(2) stop backwashing pump 9, valve-off V22 and V25 open valve V21 and V24, open filtration pump 1, water inlet enters filtration with manganese sand device 4 by filtration pump 1, ejector 2, quartz sand filtration device 3, filtered water inlet pipe T21 successively, and water outlet is drained by the water filtering and draining pipe T24 of strainer lower end.
In the utility model, chemically-cleaning device is as follows to the matting process of nanofiltration membrane component 7:
Stop topping-up pump 6, valve-off V31 and V42, open valve V32 and V41, open chemical cleaning pump 11, medicament in the medicine-chest 10 enters nanofiltration membrane component 7 by chemical cleaning pump 11, matting strainer 12, matting water inlet pipe T32 successively, and membrane module is cleaned, and the medicament after the cleaning is discharged from concentrated water spout, and be back to medicine-chest 10 by matting rising pipe T41, finish wash cycles process to membrane module.