CN2195966Y - Automatic water purification device of siphon type - Google Patents

Abstract

The utility model relates to an automatic water purification device of siphon type. A water inlet pipe is connected with a water inlet diaphragm valve, a siphon rising pipe is provided with a liquid level signal pipe, the upper part of a water storing chamber for backwash water is provided with a permeable electromagnetic valve and is inserted with an air supplying pipe, and the outer part of the water storing chamber for backwash water is provided with an invitro communicating pipe valve which is connected with the bottom chamber of a filter chamber. An air extraction pipe is connected with a water injector, an invitro air inhaling electromagnetic valve and a water feeding electromagnetic valve for the water injector which are controlled by a liquid level gage arranged on a backwashing water collecting tank. The liquid level gage and the electromagnetic valves are connected with an electric controlling box via circuits. The utility model can raise the effect of backwashing and reduce water consumption, being suitable for middle-small sized feed water treatment devices.

Description

Automatic water purification device of siphon type

The utility model belongs to a kind of medium and small water treatment facilities of giving.

Existing medium and small giving in the water treatment facilities, the valveless water treatment plant is because operational management is simple, easy for installation, at present industry such as middle samll cities and towns, industrial cycle water treatment, boiler feedwater processing and chemical industry, light industry, weaving, food middle-size and small-size give use in the water treatment more extensive.It generally is made up of filter chamber water inlet pipe, filter chamber, recoil water water storage chamber Rinsing Area, siphon pipe, backwash water leg, recoil water water storage chamber, drainpipe etc., and wherein siphon pipe comprises siphon tedge, siphon down-comer, auxiliary siphon pipe, exhaust tube, siphon destructing tube etc. again.During filtration, come water to enter distribution channel by water inlet pipe, enter the filter chamber through the backwash tedge, the clear water after the filtration is from entering the clear water water leg communicating pipe, and along with the carrying out of filtering, the water level in the clear water water leg rises gradually, and after being full of, water flows out through outlet pipe.When the filtering layer resistance increases gradually, the water level of siphon tedge constantly raises, when water level rose to the auxiliary siphon pipe mouth of pipe, the water in the siphon tedge fell rapidly by auxiliary siphon pipe, constantly the air on siphon tedge top is taken away by exhaust tube, make and form vacuum in the siphon pipe, siphonage takes place, and the water in the clear water water leg by filtering layer, carries out backwash to filtrate from bottom to up, flushing waste water is discharged through backwash water leg drainpipe from the siphon down-comer.When clear water water leg underwater drops to the siphon destructive mouth of pipe when following, air enters siphon pipe in a large number, siphon destructive, and flushing stops automatically, and the filter chamber is water inlet operation again again.The defective of this device is, from start to finish acting head is bigger with the SEA LEVEL VARIATION of backwash water storage chamber in the backwash process, general initial flush acting head all exceeds more than one times than at the end acting head, back washing strength is not had regulating measure, the not thorough phenomenon of filtrate washout or flushing takes place easily.In addition, the time that forms from the auxiliary siphon tube water outlet to siphon is longer, and it is more serious to metal run out, and can not stop into water automatically during recoil, causes the waste of water resource.

The purpose of this utility model provides a kind of water saving, decides intensity fully-automatic siphon formula filter, improves the backwash effect in filter tank, reduces self water consumption, avoids the waste of water resource.

Water saving of the present utility model, decide intensity fully-automatic siphon formula filter, mainly form by water inlet pipe, filtration filter chamber, clear water water leg, siphon pipe, backwash water leg, recoil water water storage chamber, drainpipe, wherein siphon pipe comprises siphon tedge, siphon down-comer, exhaust tube, siphon destructing tube again, it is characterized in that:

On water inlet pipe, connect a water inlet diaphragm valve, on the siphon tedge, be provided with the liquid level signal pipe, open and close by the entering water electromagnetic valve and the drain solenoid valve control that are installed on the penstocks; Establish ventilative magnetic valve on recoil water water storage chamber top, and insert a blowdown pipe; Outside recoil water water storage chamber, the external connection pipe valve that links to each other with the bottom compartment, filter chamber is set; In the backwash water leg, be provided with tapping pipe; On exhaust tube, connect water sprayer, external suction solenoid valve, water sprayer entering water electromagnetic valve, and by the liquid level gauge control that is located at above the backwash water leg, liquid level gauge is connected with electric cabinet by circuit with each magnetic valve.

The course of work of the present utility model:

Former water enters distribution channel 2 by water inlet pipe 1, get rid of the dissolved gas in the water, enter filter chamber 5 through filter chamber water inlet pipe 3, siphon tedge 4, clear water after filtering by filtering layer is through filter chamber bottom compartment 6, by flowing into recoil water water storage chamber 8 communicating pipes 7, then overflow into clear water water leg 9, flow out through filter chamber outlet pipe 10.Prolongation along with filtration time, the filtering layer resistance increases gradually, water level in the siphon tedge 4 rises gradually, until liquid level signal pipe 28, flow into the back chamber of backwash water leg 11, when water level rises to the control water level of liquid level relay 12, the liquid level gauge output signal of telecommunication, driving ventilative magnetic valve 27 by electric cabinet 29 closes, water sprayer entering water electromagnetic valve 14, entering water electromagnetic valve 26 is opened, the diaphragm valve 13 of intaking is immediately closed, press water is extracted the gas of depositing in the siphon tedge out by water sprayer 15 by exhaust tube 16, impel the interior water level of siphon tedge to improve rapidly, and a large amount of swellings are gone into siphon down-comer 17, and enter backwash water leg 11, thereby produce the siphonage of backwash.During backwash, the water in the recoil water water storage chamber 8 flows into filter chamber bottom compartments 6 by communicating pipe 7 and 23, impels current by filtering layer, enter backwash water leg 11 through siphon tedge 4 and siphon down-comer 17 by siphonage, enters sewer through drainpipe 18 then.In backwash process, recoil water water storage chamber water level descends gradually, and water storage chamber produces negative pressure, by blowdown pipe 19 to this chamber tonifying Qi, negative pressure value in the recoil water water storage chamber reduces with the reduction of water level, reduce to blowdown pipe 19 lower nozzle until water level, the negative pressure value of this chamber reaches zero, at this moment, siphon destructing tube 20 beginnings are air-breathing, impel the siphonage of backwash destroyed, backwash process finishes, and the ordinary tapping pipe of opening 21 of the ponding in the backwash water leg is discharged.

Owing to insert the blowdown pipe 19 of recoil water water storage chamber 8, water height when static in the pipe is consistent with the water level of backwash water storage chamber 8, so during backwash, the negative pressure value of backwash water storage chamber always with blowdown pipe in the water height keep balance, its negative pressure value reduces with the decline of water level, thereby make the backwash acting head keep constant, controlled backwashing strength and remained unanimity, avoided the not thorough phenomenon of filtrate washout or flushing.

Recoil water water storage chamber is provided with the external connection pipe valve 23 that links to each other with filter chamber bottom compartment 6 outward, by regulating its aperture, can change the backwash acting head, and the actual required backwashing strength of control total carrying capacity of backwash and filtrate adapts, and makes backwash intensity reach the expection requirement.

Liquid level gauge 12 is by the high and low control water level of chamber, backwash water leg 11 back, send the signal of telecommunication, automatically close into water diaphragm valve 13 during by 14,22,26, the 27 control recoils of electric cabinet 29 control magnetic valves, can save the water loss that is equivalent to 19% recoil water consumption; The utility model can be controlled water sprayer 15 automatically and bleed, than valveless equipment for filtering water, shortened the water yield loss of auxiliary siphon pipe water outlet greatly to the siphon forming process, can adjust the setting time of the time-delay relay of external suction solenoid valve 30 in the electric cabinet in case of necessity, can shorten the backwash time, save the backwash water consumption.

When the filter chamber need change filtrate, can close into water main valve 24, open filter drain valve 25, with the water emptying in the filter chamber, and by hand-hole removing or filling filtrate.

The utility model has the advantages that and deciding under the intensity flushing, can avoid filtrate washout or flushing not thorough by regulating backwash intensity; The waste of water resource is avoided in the using water wisely of more common valveless water treatment plant.Be applicable to the middle-size and small-size of industry such as middle samll cities and towns, industrial cycle water treatment, boiler feedwater processing and chemical industry, light industry, weaving, food to water treatment.

Below in conjunction with drawings and Examples the utility model is described in detail:

Fig. 1 is a structural representation of the present utility model.

As shown in the figure, this water saving, decide intensity fully-automatic siphon formula filter, mainly form by water inlet pipe 1, filter chamber 5, clear water water leg 9, siphon pipe, backwash water leg 11, recoil water water storage chamber 8, drainpipe 18, wherein siphon pipe comprises siphon tedge 4, siphon down-comer 17, exhaust tube 16, siphon destructing tube 20 again, on water inlet pipe 1, connect a water inlet diaphragm valve 13, on siphon tedge 4, be provided with liquid level signal pipe 28, open and close by the entering water electromagnetic valve 26 and drain solenoid valve 22 controls that are installed on the penstocks 31; Establish ventilative magnetic valve 27 on recoil water water storage chamber 8 tops, and insert a blowdown pipe 19; Outside recoil water water storage chamber 8, the external connection pipe valve 23 that links to each other with bottom compartment, filter chamber 6 is set; In backwash water leg 11, be provided with tapping pipe 21; On exhaust tube 16, connect water sprayer 15, external suction solenoid valve 30, water sprayer entering water electromagnetic valve 14, and by liquid level gauge 12 controls that are located at above the backwash water leg 11, liquid level gauge 12 is connected with electric cabinet 29 by circuit with each magnetic valve.

Claims (1)

1, a kind of water saving, decides intensity fully-automatic siphon formula filter, mainly form by water inlet pipe, filter chamber, clear water water leg, siphon pipe, backwash water leg, recoil water water storage chamber, drainpipe, wherein siphon pipe comprises siphon tedge, siphon down-comer, exhaust tube, siphon destructing tube again, it is characterized in that:

On water inlet pipe, connect a water inlet diaphragm valve, on the siphon tedge, be provided with the liquid level signal pipe, open and close by the entering water electromagnetic valve and the drain solenoid valve control that are installed on the penstocks; Establish ventilative magnetic valve on recoil water water storage chamber top, and insert a blowdown pipe; Outside recoil water water storage chamber, the external connection pipe valve that links to each other with the bottom compartment, filter chamber is set; In the backwash water leg, be provided with tapping pipe; On exhaust tube, connect water sprayer, external suction solenoid valve, water sprayer entering water electromagnetic valve, and by the liquid level gauge control that is located at above the backwash water leg, liquid level gauge is connected with electric cabinet by circuit with each magnetic valve.