CN2238673Y

CN2238673Y - No-valve automatic filter

Info

Publication number: CN2238673Y
Application number: CN 95240820
Authority: CN
Inventors: 蒋海荣
Original assignee: JIANGNAN HYDROTECHNIC EQUIPMENT FACTORY YIXING CITY
Current assignee: JIANGNAN HYDROTECHNIC EQUIPMENT FACTORY YIXING CITY
Priority date: 1995-11-03
Filing date: 1995-11-03
Publication date: 1996-10-30
Anticipated expiration: 2005-11-03

Abstract

The utility model relates to the improvement of a non-valve filter apparatus containing loose materials. The filter layer of the filter apparatus is divided into a plurality of parallel filter units by a partition board, and each of the filter units is respectively provided with a water dispensing apparatus and a siphon backwashing apparatus. Thus, the filter units can alternately carry out the backwashing, which not only results in that water can be produced and supplied continuously, but also the area for backwashing is reduced, and the strength of backwashing is enhanced. The utility model is suitable for various gravitational non-valve filters.

Description

The valveless full-automatic filter

Utility model is about to containing the improvement of bulk material valveless water filter device.

Known valveless siphon filter has only a filter chamber, and in filter process, filtrate increases owing to impurity trapped causes the filtering layer resistance, when carrying out backwash, and the one, can not produce water, can not realize continuous water supply; The 2nd, its backwash head of single filter chamber filter is bigger with backwash water storage chamber SEA LEVEL VARIATION, general initial flush acting head exceeds more than one times than acting head at the end, thereby it is not enough to go out back washing strength easily, for improving back washing strength, or strengthen the reservoir chamber volume, or establish high-order backwash water tank in addition, these all increase equipment volume and cost.

The purpose of utility model is to overcome the deficiency of above-mentioned prior art, provide a kind of and both can realize continuous water supply, back washing strength is big, and does not need to establish in addition back flushing tank again or strengthen the reservoir chamber volume, backwash is thorough, the little valveless automatic filtering apparatus of self water consumption.

The purpose of utility model realizes, the main improvement is that the filter filter course is separated into several filter elements arranged side by side and be isolated from each other, thereby each filter element backwash is hocketed, not only reach continuous water supply, and both increased the recoil water yield to filter element, improve back washing strength, omitted external elevated tank and big capacity reservoir chamber again, reduced cost.Specifically, utility model comprises the distribution reservoir that height is put, from top to bottom be separated into the filter cylinder body of reservoir chamber, filter chamber, collecting chamber successively, said filter chamber is communicated with reservoir chamber water with collecting chamber, collecting chamber, the sparge pipe that links distribution reservoir and filter chamber, the backwash siphoning installation of filter chamber top is characterized in that the filter chamber is separated into N filter element arranged side by side by the some dividing plates that vertically are provided with, and each filter element has distribution reservoir, sparge pipe and backwash siphoning installation separately respectively.

The said backwash siphoning installation of utility model is made up of siphon tedge, siphon down-comer, auxiliary siphon tube, siphon destructing tube, destruction bucket and siphon water seal for known.Said height is put distribution reservoir, is meant that water distribution highly is higher than siphoning installation, and these all belong to prior art.

The utility model operation principle is identical with the traditional gravity filter, during work, when a certain filter element filtering layer resistance increases, the siphon tedge water level that causes being communicated with the filter chamber top raises, until producing siphon, backwash begins, and aqueous reflux cleans this filter element filtrate recoil through collecting chamber in the reservoir chamber of filter top.Other filter elements still are operated in the filtration state, and the one, guaranteed the water outlet of product water; The 2nd, replenished the recoil water.Carry out along with washing in anti-, the reservoir chamber middle water level descends, and reduces to a certain height when water level, and siphon is just destroyed, and filtration restarts.Circulation successively.

Below in conjunction with two kinds of exemplary embodiment, further specify utility model.

Fig. 1 is embodiment 1 structural representation.

Fig. 2 is Figure 1A _ A cut-away structure chart.

Fig. 3 is embodiment 2 structural representations.

Fig. 4 is Fig. 3 B_B cut-away structure chart.

Fig. 5 is a water distribution choke device structural representation.

Embodiment 1: referring to Fig. 1, Fig. 2, filtration barrel body 1 is separated into reservoir chamber 2, filter chamber 3 and collecting chamber 4 from top to bottom successively, wherein the dividing plate 18 that vertically is provided with of filter chamber is separated into N (embodiment is 4) filter element arranged side by side 19 that separates each other, and each filter element is communicated with filtrate dividing plate 21 formation water with collecting chamber.Is communicated with by constituting water center communicating pipes 20 between collecting chamber and reservoir chamber (can also be other forms of water connection).Top, reservoir chamber top is provided with the height that communicates with atmosphere with the reservoir chamber isolation and puts distribution reservoir 5 (it is external that distribution reservoir can also be arranged on filter cylinder in addition), distribution reservoir is also become N (4) cloth hydroecium by longitudinal subdivision, each cloth hydroecium is communicated with each filter element by the U-shaped water distributor 6 that extends the filtration barrel body bottom down, stretch the effect of U-shaped pipe down, mainly be in the U-shaped pipe, to form water seal, air enters siphoning installation by water inlet pipe when preventing the siphon backwash, thereby damages siphon.The filtration barrel body bottom is separated out siphon water seal blowdown chamber 8 by dividing plate 7 in collecting chamber 4, the blow-off pipe 9 of inside emersion certain altitude is arranged at bottom, blowdown chamber, and the blow-off pipe inwardly main effect of emersion is to make to accumulate a water layer in the blowdown chamber, forms the siphon water seal.Each filter element top have one to rising but the end in the siphon tedge 10 of distribution reservoir, seal at siphon tedge top, be with the siphon down-comer 11 and the auxiliary siphon tube 12 that extend under the 8 siphon water seals of blowdown chamber in it downwards, the intake and exhaust channel 13 that communicates with siphon tedge 10 is arranged at top, auxiliary siphon tube 12 top, under the water seal of bottom the exhaust outlet 21 that stretches out the siphon down-comer is arranged, auxiliary tube 12 links to each other with siphon destructing tube 14, siphon destructing tube 14 do not hold be located at reservoir chamber in siphon destructive bucket 15 link to each other.Siphon destructive bucket 15, destroy pipe 14, intake and exhaust channel 13, auxiliary tube 12, constitute the recoil siphoning installations with siphon tedge 10, down-comer 11 and bottom water seal 8 are common.

When filtering beginning, former water enters the high-order distribution reservoir of separation by water inlet pipe 16, and is assigned to each distributing water room, and distributing water room passes through U-shaped sparge pipe 6 to each filter element water distribution, filtration.Filter clear water and enter collecting chamber 4 by the filtrate dividing plate of filter element by the bottom, clear water then enters top reservoir chamber 2 by communicating pipe 20 in the collecting chamber, and is discharged by the delivery port 17 that is located on the reservoir chamber.Along with the continuity of filtration time, each filter element filter material layer loss of flood peak increases gradually in succession, and siphon tedge 10 middle water levels raise in succession gradually.Air in tube is then discharged by auxiliary siphon tube 12, exhaust outlet 21 by exhaust passage 13.When one of them filter element loss of flood peak increases, make the rising of siphon tedge middle water level cross siphon down-comer 11 mouths of pipe and just form siphon, this filter element filtering layer upper pressure rapid drawdown, aqueous reflux in the collecting chamber of bottom, rightabout when water filters through following communicating pipe 20 in the reservoir chamber 2 enters filter element, filter material layer thereby be subjected to backwash.Flushing waste water enters 8 backs, blowdown chamber by siphon tedge 10, siphon down-comer 11 and is discharged by blow-off pipe 9.Along with backwash is carried out, the reservoir chamber middle water level descends gradually, when water level drops to siphon destructive bucket 15 when following, siphon destructing tube 14 is destroying water sucking-off in the bucket 15, air enters the siphon tedge by siphon destructing tube 14, inlet channel 13, siphon is destroyed, and backwash finishes, and filtration restarts.Cycle alternation, when each filter element carried out backwash, other filter elements were still being worked, thereby had guaranteed the continuity that supplies water and kept back washing strength.

Regulate siphon destructive bucket or delivery port height, or on the siphon destructive bucket, siphon pipe is set, can adjust the backwashing time and the backwash water yield.Backwashing period is then by distributing the decision of the water tank and the siphon pipe discrepancy in elevation.

Embodiment 2: referring to Fig. 3, Fig. 4, be separated out 6 filter elements 19 arranged side by side of two rows at the filter course (chamber) of rectangle filtering bodies 1 by dividing plate 18 symmetries.The distribution reservoir 5 that rectangle filter body two upper lateral parts have height to put, distribution reservoir is separated into the cloth hydroecium with the filter element as much.The external filter body of each filter chamber sleeve-shaped recoil siphoning installation both sides, siphon water seal 8 also places filter body two side bottoms.Siphon tedge 10 that sleeve-shaped recoil siphoning installation is sealed by the top that links to each other with filter element 19 tops and built-in siphon down-comer 11, auxiliary siphon tube 12 and siphon destructing tube 14 and struggle against and 15 form.The U-shaped water distributor of stretching down 6 will be treated that drainage is sent by distributing water room and put each filter element.Outlet pipe 17 is installed in filter bottom, and he is drawn from top reservoir chamber 2 by aqueduct 22, and low outlet pipe has guaranteed continuous water supply.Each filter element water outlet is communicated with reservoir chamber 2 water by middle water-flowing trough 20 by collecting chamber 4.

For preventing that effectively siphon big siphon power of when recoil from destroying siphon and saving water source because of the cloth water tank air inlet of finding time, utility model also can adopt the choke device of cutting off the water supply shown in Figure 5.When siphon produced, big siphon draft made choke plug 23 fall to covering water distributor 6, and is kept by the siphon draft.When siphon stops, draft disappears, and the choke ball float 24 of portion is beyond the Great Wall mentioned the choke plug because of buoyancy, and guider 25 provides positioning and guiding for the motion of choke plug.In addition, utility model also can adopt other choke devices.

Utility model siphon recoiling device also can adopt known other siphoning installations without the sleeve pipe siphoning installation.All these nonessential changes are all true uses novel protected scope.

Utility model is separated into N independently filter element because filter is filtered the cross section, can make filter element replace backwash, not only reach uninterrupted product water, and because of backwash area minimizing (only original N/one), back washing strength is improved, and filtrate is rinsed well.Secondly, the sleeve-shaped siphoning installation, simple in structure, attractive in appearance.

Claims

1, a kind of valveless full-automatic filter, comprise the distribution reservoir that height is put, from top to bottom be separated into the filter cylinder body of reservoir chamber, filter chamber, collecting chamber successively, said filter chamber is communicated with reservoir chamber water with collecting chamber, collecting chamber, the sparge pipe that links distribution reservoir and filter chamber, wash siphoning installation in filter chamber top anti-, it is characterized in that the filter chamber is separated into N filter element arranged side by side by the some dividing plates that vertically are provided with, each filter element have respectively separately distribution reservoir, sparge pipe and anti-in wash siphoning installation.

2, according to the described valveless of claim 1 gold automatic filter, it is characterized in that said siphon destroying device, form by the siphon tedge of top seal, interior cover siphon down-comer and auxiliary siphon tube and the siphon destructing tube that is connected auxiliary tube.

3,, it is characterized in that said auxiliary siphon tube bends outside the siphon down-comer under siphon water seal liquid level according to the described valveless full-automatic filter of claim 2.

4, according to claim 1,2 or 3 described valveless full-automatic filters, it is characterized in that the choke device of forming by the ball float plug in the said distributing water room of cutting off the water supply.