CN2759567Y

CN2759567Y - On-line backwash gamma type filter apparatus

Info

Publication number: CN2759567Y
Application number: CN 200420119035
Authority: CN
Inventors: 俞建德; 唐荣成; 方向
Original assignee: DEAN NEW-TECHNOLOGY DEVELOPMENT Co Ltd ZHEJIANG
Current assignee: Zhejiang Dean Technology Co., Ltd.
Priority date: 2004-12-29
Filing date: 2004-12-29
Publication date: 2006-02-22
Anticipated expiration: 2014-12-29

Abstract

The utility model relates to an on-line backwashing Y-shaped filter which comprises a water inlet pipe which is distributed in a Y shape, a water outlet pipe, a barrel body and filter cores, wherein an opening part of the barrel body is covered with a casing with a dirt discharge opening. The utility model is characterized in that the filter cores are at least distributed into a circle in a concentric mode and are fixed between an upper and a lower spacer plates; the upper spacer plate, the casing and the barrel body are mutually fixed into one body, and the lower spacer plate is arranged on the bottom of the barrel body. The upper and the lower spacer plates are respectively provided with through holes which are matched with the filter cores. A main shaft is linked with a drive mechanism installed outside the casing after axially penetrating through the upper and the lower spacer plates; the part of the main shaft, which is exposed out of the lower spacer plate, is also fixed with a sealing discs of which the quantity is identical to the circle number of the filter cores, and the sealing discs are covered on the through holes of the lower spacer plate; hollow disc sucking arms which are matched with the sealing discs and are fixed on the main shaft in the direction identical to the sealing discs; one end of each disc sucking arm is butted with one corresponding through hole on the upper spacer plate, and the other end is communicated with the dirt discharge opening on the casing. With the adoption of the structure, the utility model has the advantages of high work efficiency, large backwashing pressure, good washing effect and convenient maintenance.

Description

A kind of online backflushing is washed y-type filter

Technical field

The utility model relates to a kind of filter, especially refers to can utilize in a kind of water treatment technology system self pressure to carry out the online backwash y-type filter of filter core backwash.

Background technology

Filter is a kind of common filter; wherein y-type filter is simple in structure because of it, impurity screening is widely used in the industries such as sewage disposal, middle water reuse and agricultural irrigation; with the solid particle polluter that removes in the water, to reach the normal purpose of using of protection valve and equipment.And existing y-type filter generally comprises Y shell body, is installed in filter screen in the housing, is located at water inlet, the delivery port on the housing and places the blind plate at housing sewage draining exit place, as Chinese utility model patent number is a kind of device 96211621.1 " Y template formula filter " discloses, during this filter operate as normal, sewage is flowed into by the water inlet, behind the net filtration, flow out after filtration from delivery port.After using a period of time, the solid particle of being on the increase can stop up the filtration channel in the filter screen and cause the increase of delivery turbidity or the rising of the loss of flood peak, and this moment, and the blowoff valve that only need open the blind plate place can be drained impurity to a certain degree.But in use find: when blowoff valve is opened, can influence the hydraulic pressure at delivery port place and the water yield of water purification on the one hand, the impurity that interweaves on the other hand on filter screen still can't be got rid of totally up hill and dale, so running time one is long, still need open blind plate, to clean after the filter screen taking-up, obviously, do the operate as normal that still can influence filter like this, cause the pause of production, and clean to get up to waste time and energy, unpicking and washing the on-the-spot pollution that also can cause environment; The movement that this filter is is often unpicked and washed simultaneously also causes the mechanical failure of filter screen easily and shortens its service life; Moreover the filtering accuracy of filter screen is lower, and is general only with removing the bigger mechanical admixture of particle in the former water.Therefore, existing y-type filter still have unsatisfactory part in the use, still need its structure is done further to improve.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of high efficiency, online backflushing that backwash effect is good to wash y-type filter at above-mentioned prior art present situation.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this y-type filter comprises the water inlet pipe that is scattered in the Y type, outlet pipe and cylindrical shell and the filter core that is positioned at cylindrical shell, described cylindrical shell oral area is covered with the housing of band sewage draining exit, it is characterized in that: described filter core is scattered in a circle at least with one heart and is fixed on, between the lower clapboard, described upper spacer and housing, cylindrical shell is fastened to each other to be integral, and lower clapboard is arranged on the bottom of cylindrical shell, and on being somebody's turn to do, be respectively equipped with the through hole that matches with each filter core on the lower clapboard, one main shaft axially run through above-mentioned on, link with the driving mechanism that is installed in outside the housing behind the lower clapboard, be exposed to and also be fixed with corresponding on the main shaft outside the lower clapboard and cover the envelope dish of through hole on the lower clapboard with the filter core number of turns, match mutually with above-mentioned envelope dish and be fixed on hollow sucker arm on the main shaft and in described housing, be provided with the orientation, one end of this sucker arm and the respective through hole of upper spacer connect, and its other end is connected with sewage draining exit on the housing.

Described main shaft can pass through described sewage draining exit, and is provided with the blow-off pipe that is fixed on this main shaft at this sewage draining exit place, and the other end of described sucker arm is connected with sewage draining exit by this blow-off pipe.

One end of described sucker arm can be provided with the sucker that seals mutually for sucker arm and through hole butt joint on the upper spacer.

Described driving mechanism can also can be reducing motor for being enclosed within the handle on the described main shaft.

On the main shaft of described grip, can be with index plate, have on this index plate and the corresponding index hole in filter core position, and on handle, be provided with the elasticity index pin that matches with index hole.

Compared with prior art, advantage of the present utility model is: after adopting above-mentioned knot, when the needs backwash, only need to rotate sucker arm and envelope dish by driving mechanism, link up the drainage channel of corresponding filter core and sewage draining exit, utilize self pressure of pipe network to make the fluid after the purification carry out backwash again to this filter core, promptly under the state that keeps other filter core continuous filtration operation, one by one a filter core is wherein carried out backwash, in the filter capacity of recovering filter core, do not stop the normal operation of filter again, therefore improved the operating efficiency that online backflushing is washed y-type filter widely, and backwashing pressure is big, developing result is good; In addition by a plurality of filter cores generation filter screens, the filtering accuracy height, long service life is convenient to safeguard.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As shown in Figure 1, this y-type filter comprises the water inlet pipe 1 that is scattered in the Y type, outlet pipe 17 and cylindrical shell 2 and the filter core 3 that is positioned at cylindrical shell, described cylindrical shell 2 oral areas are covered with the housing 7 of band sewage draining exit, filter core 3 is scattered in a circle with one heart and is fixed on upper spacer 15, between the lower clapboard 18, upper spacer 15 is sandwiched between cylindrical shell 2 and the housing 7, and the three is fixed into one by bolt, make that filter back water and sewer are isolated, and lower clapboard 18 is arranged on the bottom of cylindrical shell 2, make water to be filtered and filter back water isolate, and this upper spacer 15, be respectively equipped with the through hole that matches with each filter core 3 on the lower clapboard 18, one main shaft 4 axially passes through the sewage draining exit on the housing 7 and runs through, lower clapboard, main shaft 4 at lower clapboard 18 places is supported by bearing 19, and be exposed on the main shaft 4 outside the lower clapboard 18 and be fixed with the envelope dish 20 that can cover through hole on the lower clapboard 18 by key or pin, and be exposed to the handle 10 that is with rotatable main shaft 4 on the main shaft 4 outside the housing 7, in housing 7, be provided with simultaneously and match mutually with above-mentioned envelope dish 20 and be fixed on hollow sucker arm 6 on the main shaft 4 with the orientation, one end of this sucker arm 6 and the respective through hole of upper spacer 15 connect, and its other end is communicated in the blow-off pipe 8 that is arranged on the sewage draining exit place, this blow-off pipe 8 is fixed on the main shaft 4, make it rotate with main shaft 4, and blowdown connection 14 ends that are positioned at outside the housing 7 seal with lid, perforate on the sidewall, this hole links to each other with external drain outlet by blowoff valve 9.

For the end that makes hollow sucker arm 6 can dock with through hole on the upper spacer 15, above-mentioned each through hole is that the axle center evenly distributes with one heart with main shaft 4, and the sucker 5 that seals mutually after sucker arm 6 upper ends are provided with for the through hole butt joint on sucker arm 6 and the upper spacer 15.And in order to control the rotational angle of envelope dish 20 and sucker arm 6, so that sucker arm 6 is linked up mutually with corresponding filter core 3, on the main shaft 4 at above-mentioned handle 10 places, be with index plate 12, this index plate 12 is fixed on the lid, and have on this index plate 12 and the corresponding index hole 13 in filter core 3 positions, and on handle 10, be provided with the elasticity index pin 11 that matches with index hole 13, when using like this, after main shaft 4 turns an angle, drive elasticity index pin 11 rotates and makes elasticity index pin 11 skid off the back from an index hole and inserts in the next index hole accordingly, thus the sucker arm 6 in the control cylindrical shell 2 and the rotation of envelope dish 20.Need in time to understand the blockage of filter core 3 when considering work simultaneously, on water inlet pipe 1, outlet pipe 17, also be provided with pressure controller table 16,, determine whether the backwash of carrying out filter core 3 by observing the pressure difference value of this pressure controller table 16.

During normal the use, water to be filtered flows into from water inlet pipe 1, respectively through entering in the corresponding filter core 3 behind each through hole on the lower clapboard 18, behind each filter core 3 filtration, purification, become satisfactory water purification and enter cylindrical shell 2, after outlet pipe 17 places that are connected with outlet on cylindrical shell 2 sidewalls flow out.After using a period of time, the tamper that is trapped within filter core 3 inner surfaces increases gradually, each filter core 3 is blocked gradually, thereby cause the pressure reduction of filter core 3 inside and outside both sides to rise gradually, in the time of when reaching the differential pressure of setting or by technological requirement, need regularly cleaning, swing handle 1, driving main shaft 4 rotates, then drive blow-off pipe 8, sucker arm 6, sucker 5 and envelope dish 20 rotate, simultaneously, skid off the index hole 13 of elasticity index pin 11 from index plate 12 corresponding to filter core, spring into when sliding into then with next index hole corresponding to filter core, to finish calibration one time, the through hole that this moment, envelope dish 20 was sealed on the lower clapboard 18, when sucker 5 is shut upper spacer 15 through holes fully, and sucker arm 6 is linked up mutually with corresponding filter core, open blowoff valve 9, under the effect of pipe network self pressure, water purification in the cylindrical shell 2 is successively by this filter core subject to backwash, the sucker arm, blow-off pipe, from sewage draining exit, flow out, carrying the impurity that comes off in filter core simultaneously discharges from sewage draining exit, blowoff valve 9 time-delay closings are finished the cleaning of (group) filter core.Go round and begin again like this, repeat above-mentioned action, all be backwashed up to all filter cores and finish, thereby make each filter core recover initial function.Because when this filter core carried out backwash, other filter core was still being worked normally,, thereby can not influence the operate as normal of filter even therefore such structure when backwash, still can be guaranteed the filtering velocity and the processing water yield of filter outlet fluid.

Claims

1, a kind of online backflushing is washed y-type filter, it comprises the water inlet pipe (1) that is scattered in the Y type, outlet pipe (17) and cylindrical shell (2) and the filter core (3) that is positioned at cylindrical shell, described cylindrical shell oral area is covered with the housing (7) of band sewage draining exit, it is characterized in that: described filter core is scattered in a circle at least with one heart and is fixed on, lower clapboard (15,18) between, described upper spacer (15) and housing, cylindrical shell is fastened to each other to be integral, and lower clapboard (18) is arranged on the bottom of cylindrical shell, and on being somebody's turn to do, be respectively equipped with the through hole that matches with each filter core on the lower clapboard, one main shaft (4) axially run through above-mentioned on, link with the driving mechanism that is installed in outside the housing behind the lower clapboard, be exposed to and also be fixed with corresponding on the main shaft outside the lower clapboard and cover the envelope dish (20) of through hole on the lower clapboard with the filter core number of turns, match mutually with above-mentioned envelope dish (20) and be fixed on hollow sucker arm (6) on the main shaft and in described housing (7), be provided with the orientation, one end of this sucker arm (6) and the respective through hole of upper spacer connect, and its other end is connected with sewage draining exit on the housing (7).

2, online backflushing according to claim 1 is washed y-type filter, it is characterized in that: described main shaft (4) passes through described sewage draining exit, and being provided with the blow-off pipe (8) that is fixed on this main shaft at this sewage draining exit place, the other end of described sucker arm (6) is connected with sewage draining exit by this blow-off pipe (8).

3, online backflushing according to claim 1 is washed y-type filter, it is characterized in that: an end of described sucker arm (6) is provided with the sucker (5) that seals mutually for after the through hole butt joint on sucker arm (6) and the upper spacer (15).

4, wash y-type filter according to claim 1 or 2 or 3 described online backflushings, it is characterized in that: described driving mechanism is for being enclosed within the handle (10) on the described main shaft (4).

5, online backflushing according to claim 4 is washed y-type filter, it is characterized in that: on the main shaft (4) that described handle (10) is located, be with index plate (12), have on this index plate and the corresponding index hole in filter core position (13), and on handle (10), be provided with the elasticity index pin (11) that matches with index hole (13).