CN206229023U - A kind of waterpower self-cleaning filter - Google Patents

A kind of waterpower self-cleaning filter Download PDF

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Publication number
CN206229023U
CN206229023U CN201621331837.5U CN201621331837U CN206229023U CN 206229023 U CN206229023 U CN 206229023U CN 201621331837 U CN201621331837 U CN 201621331837U CN 206229023 U CN206229023 U CN 206229023U
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CN
China
Prior art keywords
filter
housing
valve
water
cleaning
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CN201621331837.5U
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Chinese (zh)
Inventor
李�杰
刘全金
周胜秋
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MCC Capital Engineering and Research Incorporation Ltd
Zhongye Jingcheng Engineering Technology Co Ltd
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Zhongye Jingcheng Engineering Technology Co Ltd
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Priority to CN201621331837.5U priority Critical patent/CN206229023U/en
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Abstract

The utility model proposes a kind of waterpower self-cleaning filter, including:Housing, filter is internally provided with, the two ends of filter are hermetically connected with the shell, and product hydroecium is formed between its lateral surface and the medial surface of housing, part of the inner chamber of housing on the upside of filter is defined as intake chamber, and its side wall is provided with and produces the discharge outlet that hydroecium is connected;The hydraulic turbine, the water inlet of its upper end is connected with the lower outlet of housing, and correspondence is communicated with backflow branch road and blowdown branch road at the sewage draining exit of its lower end, and recycle control valve is provided with backflow branch road, and blowoff valve is provided with blowdown branch road;Turn brush, what its central rotating shaft can vertically be rotated is installed in filter, and the lower end of central rotating shaft protrudes from the downside of filter, and is connected with the runner of the hydraulic turbine;Backwash controls difference gauge, and its two ends is connected by pipeline correspondence with intake chamber and product hydroecium;Inlet pipeline, is connected with the intake chamber of housing, and is connected with recycle control valve by a reflux and filter pipeline.

Description

A kind of waterpower self-cleaning filter
Technical field
The utility model belongs to water treatment facilities, in particular to a kind of waterpower self-cleaning filter, it is adaptable to water quality Filtering in cleaning project as pre-processing device to particulate pollutant and impurity is removed.
Background technology
Self-cleaning filter in the process of running, when on filter screen retain impurities accumulation to a certain extent after, by differential pressure Meter feedback signal controlled motor drives to turn to brush and filter screen is cleaned, while cleaning, by sewage discharge filter.However, There are problems that in motor-driven self-cleaning filter running existing as follows:(1) motor-driven structure is complicated, it is not easy to dismantle And maintenance, when have on filter screen compared with bigger material block turn brush when, it is impossible to filter is taken apart overhauled and debris in a short time Artificial removal;(2) motor-driven structure is susceptible to failure in itself, and when resistance is excessive or there is moment of torsion, motor can The situation for occurring working can be burned, now needs to change motor;(3) during self-cleaning filter backwash, drive Motor often starts, it is necessary to consume certain electric energy;(4) when self-cleaning filter backwash, blowdown flow rate is big, and disposable discharge is big The sewage of amount, water consumption is big, and this sewer only contains large granular impurity, can continue reuse, directly discharges unfavorable In water saving.
In view of this, the utility model people develops according to the production design experiences for being engaged in this area and association area for many years Go out a kind of waterpower self-cleaning filter, to solve the problems, such as prior art.
Utility model content
It is to provide a kind of waterpower self-cleaning filter that the purpose of this utility model is, screen pack is entered using hydro powered Row backwash, can reduce the consumption of electric energy, reduce maintenance cost, and carry out backflow utilization to sewer, and sewer is greatly reduced The generation of amount.
Therefore, the utility model proposes a kind of waterpower self-cleaning filter, including:
Housing, is internally provided with a filter, and the two ends of the filter are connected with the housing seal, its outside It is formed with a product hydroecium between the medial surface of face and the housing, the part of the inner chamber of the housing on the upside of the filter An intake chamber is defined as, its side wall is provided with the discharge outlet being connected with the product hydroecium;
The hydraulic turbine, the water inlet of its upper end is connected with the lower outlet of the housing, and correspondence connects at the sewage draining exit of its lower end A backflow branch road and a blowdown branch road are connected with, a recycle control valve is installed on the backflow branch road, pacified on the blowdown branch road Equipped with a blowoff valve;
Turn brush, what its central rotating shaft can vertically be rotated is installed in the filter, the lower end of the central rotating shaft The downside of the filter is protruded from, and is connected with the runner of the hydraulic turbine;
Backwash controls difference gauge, and its two ends is connected by pipeline correspondence with the intake chamber and product hydroecium;
Inlet pipeline, the intake chamber with the housing is connected, and by one can impurity screening reflux and filter pipeline with The recycle control valve is connected.
Waterpower self-cleaning filter as described above, wherein, the reflux and filter pipeline includes a y-type filter and one Return valve, between the entrance of the y-type filter and the recycle control valve, the outlet of the y-type filter and the backflow It is connected by return duct respectively between one end of valve and between the other end and the inlet pipeline of the return valve.
Waterpower self-cleaning filter as described above, wherein, the inlet pipeline enters including a water inlet ejector and one Water valve, the water side of the water inlet ejector is connected with the intake chamber, the two ends of the water intaking valve by water inlet pipe with The water inlet end of the water inlet ejector and water side are connected;
The other end of the return valve is connected to the water sucking mouth of the water inlet ejector by the return duct.
Waterpower self-cleaning filter as described above, wherein, a filter element cleaning difference gauge is additionally provided with, its two ends is connected to institute State entrance and the exit of y-type filter.
Waterpower self-cleaning filter as described above, wherein, the recycle control valve, blowoff valve, return valve and water inlet Valve is respectively an electric butterfly valve.
Waterpower self-cleaning filter as described above, wherein, the filter includes two ring flat-plates, the filtering of a tubular Net and two stands, ring flat-plate described in two are arranged at intervals in the inner chamber of the housing, and its periphery wall is close with the inwall of the housing Envelope connection, the two ends correspondence of the screen pack is fixed on the internal ring wall of ring flat-plate described in two, and correspondence is connected with the intake chamber It is logical, the product hydroecium is formed between the inwall of its lateral surface and the housing, support correspondence is fixed on ring flat-plate described in two described in two Interior annular distance at;
Wherein, a bearing is separately installed with support described in two, bearing correspondence is socketed on the center for turning brush described in two In rotating shaft.
Waterpower self-cleaning filter as described above, wherein, the support is cross bracket or Y type supports, described Bearing is fixed at the central through hole formed on the support.
Waterpower self-cleaning filter as described above, wherein, undergauge forms a funnel shaped row at the lower end of the housing Dirty room, adjacent to the upside of the hydraulic turbine, its side wall is provided with a manhole for the blowdown room, and the lower outlet is located at described At the bottom of blowdown room bottom.
Waterpower self-cleaning filter of the present utility model, by the setting on housing, filter, the hydraulic turbine, turn brush with And inlet pipeline, backwash control difference gauge, feed water flow impurity trapped after filter (filter screen) filtering, when filter (filter Net) in impurities accumulation to a certain degree, control difference gauge feedback signal to open recycle control valve according to backwash, current are by water Turbine carries out backwash, and backwash draining is back into inlet pipeline carries out reuse, and the impurity that backwash is got off is refluxed filter pipeline (y-type filter) is removed.
Compared with legacy equipment, the utility model does not have motor to drive back washing device, fully sharp using hydro powered backwash With equipment draining overbottom pressure, the energy-conservation for being conducive to equipment to run, with simple structure, convenient disassembly, Maintenance and Repair workload is low Advantage;The utility model is due to having reclaimed backwash draining so that draining is recycled, and reduces the draining water of equipment, carries The utilization ratio of water high.
In a word, waterpower self-cleaning filter of the present utility model, it is adaptable to for conduct pretreatment in purification of water quality engineering Filtering of the equipment to particulate pollutant and impurity is removed, and usually as microfiltration membranes, the pre-processing device of milipore filter, is played to micro-filtration The protective effect of film, milipore filter, also can be used alone with the silt in filter pipe, iron scale and other impurities, also be applicable In water supply project and plate type heat exchanger that need special protection higher for water inlet impurity content requirement, finned heat exchanger, Between water pump, equipment is protected.
Brief description of the drawings
The following drawings is only intended to, in the utility model is done schematic illustration and explanation, not limit model of the present utility model Enclose.Wherein:
Fig. 1 is the composition structure rough schematic view of waterpower self-cleaning filter of the present utility model.
Main element label declaration:
1 includes housing 11 produces hydroecium
The discharge outlet of 12 intake chamber 13
14 times 15 blowdown rooms of outlet
The hydraulic turbine of 151 manhole 2
The water inlet of 20 runner 21
The backflow branch road of 22 sewage draining exit 23
The recycle control valve of 24 blowdown branch road 25
26 3 turns of blowoff valves are brushed
The backwash of 31 central rotating shaft 4 controls difference gauge
The inlet pipeline of 41 pipeline 5
The 51 water inlet water intaking valves of ejector 52
The filter of 53 water inlet pipe 6
The screen pack of 61 ring flat-plate 62
The central through hole of 63 support 631
The reflux and filter pipeline of 64 bearing 7
The return valve of 71 y-type filter 72
The filter element cleaning difference gauge of 73 return duct 8
81 pressure measurement pipelines
Specific embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, below in conjunction with accompanying drawing and Preferred embodiment, to the utility model proposes the specific embodiment of waterpower self-cleaning filter, structure, feature and effect, Describe in detail as after.In addition, the explanation for passing through specific embodiment, when can be taken to reach predetermined purpose the utility model Technological means and effect be able to it is more deeply specific understand, but institute's accompanying drawing be only to provide with reference to and explanation use, not use To be any limitation as to the utility model.
Fig. 1 is the composition structure rough schematic view of waterpower self-cleaning filter of the present utility model.
As shown in figure 1, the utility model proposes waterpower self-cleaning filter, including housing 1, the hydraulic turbine 2, turn brush 3, anti- Control difference gauge 4 and inlet pipeline 5 are washed, wherein:
The inside of the housing 1 is provided with a filter 6, and the two ends of the filter 6 seal with the housing 1 and connect Connect, a product hydroecium 11 is formed between the medial surface of its lateral surface and the housing 1, the inner chamber of the housing 1 is in the filtering The part of the upside of device 6 is defined as an intake chamber 12, and its side wall is provided with the discharge outlet 13 being connected with the product hydroecium 11, its In, the housing 1 is substantially close with existing structure, such as the cover plate at the top of it is provided with lifter 101 and runing rest 102, For cover plate to be opened to internal maintenance of equipment.;
The water inlet 21 of the upper end of the hydraulic turbine 2 is connected with the lower outlet 14 of the housing 1, the sewage draining exit 22 of its lower end Place's correspondence is communicated with a backflow branch road 23 and a blowdown branch road 24, and a recycle control valve 25 is provided with the backflow branch road 23, One blowoff valve 26 is installed on the blowdown branch road 24;
What the central rotating shaft (main shaft) 31 for turning brush 3 can vertically be rotated is installed in the filter 6, it is described in The lower end of heart rotating shaft 31 protrudes from the downside of the filter 6, and is connected with the runner 20 of the hydraulic turbine 2;
The two ends of the backwash control difference gauge 4 are connected by the correspondence of pipeline 41 with the product hydroecium 11 and intake chamber 12 It is logical;
The intake chamber 12 of housing 1 described in the inlet pipeline 5 is connected, and by a reflux and filter pipeline 7 with described time Flow control valve 25 is connected, the impurity in the energy filter water of reflux and filter pipeline 7.
In the utility model, when normal process operation, the intake chamber 12 that sewage is entered by inlet pipeline 5 is flowed through After filter 6 is by contaminant filter in sewage, into product hydroecium 11, and discharged by discharge outlet 13;With the carrying out of work, mistake The impurity of deposition increases in filter device 6, can gradually blocking filtering device 6, make to enter the discharge reduction produced in hydroecium 11, when producing water When the pressure difference of room 11 and intake chamber 12 reaches the pressure differential resetting value of backwash control difference gauge 4, the recycle control valve 25 is opened, made Sewage in housing 1 is delivered to the inlet pipeline 5 by reflux and filter pipeline 7, so that circulating for sewage is formed, herein During, the water wheels of the water jet propulsion hydraulic turbine 2 are rotated, to drive the central rotating shaft 31 for turning brush 3 to rotate, using turning brush 3 Bristle clears away impurity to being cleaned inside the filter 6, realizes the function of self-cleaning, and the impurity for cleaning then exists Cleared up by filtering during by reflux and filter pipeline 7, realize that the backflow of sewage is utilized.
It is preferred that the reflux and filter pipeline 7 includes a y-type filter 71 and to be used to cut off current during filter element replacing Return valve 72, between the entrance of the y-type filter 71 and the recycle control valve 25, the outlet of the y-type filter 71 Pass through respectively and one end of the return valve 72 between and between the other end and the inlet pipeline 5 of the return valve 72 Return duct 73 is connected.In specific works, when sewage passes through the y-type filter 71, the impurity in water can be cleared up, with Recycled subsequently through the inlet pipeline 5 beneficial to sewage;When the y-type filter 71 needs to change filter core, it is only necessary to close Replacement operation is carried out by closing recycle control valve 25 and return valve 72, it is simple and convenient.
As shown in figure 1, the inlet pipeline 5 include one water inlet the water intaking valve 52 of ejector 51 and, it is described enter water jet The water side of device 51 is connected with the intake chamber 12, the two ends of the water intaking valve 52 by water inlet pipe 53 with it is described enter water-jet The water inlet end and water side for flowing device 51 are connected, the other end of the return valve 72 by the return duct 73 be connected to described in enter The water sucking mouth of water jet device 51.In normal operation, open water intaking valve 52, sewage can simultaneously by intake ejector 51 and 53 pairs of intake chambers 12 of the water inlet pipe supply water;When cleaning and filtrating equipment 6 is needed, water intaking valve 52, extraneous sewage are closed Intake chamber 12 is only entered by the water inlet water-blaster 51, wherein current can form negative pressuren zone in water sucking mouth, it is described to attract Current in reflux and filter pipeline 7 are accelerated into the water inlet water-blaster 5, so as to improve back-flow velocity, then accelerate water wheels 20 and turn the rotary speed of brush 3, make cleaning performance more preferably notable.
In order to be able to timely change the filter core of y-type filter, a filter element cleaning difference gauge 8 is preferentially provided with, its two ends passes through Pressure measurement pipeline 81 is connected to entrance and the exit of the y-type filter 7.When the pressure difference at the y-type filter two ends, namely filter When the numerical value of core cleaning difference gauge 8 reaches the pressure differential resetting value of setting, the clear difference gauge 8 of the filter core can carry out warning reminding, make filter More changing jobs for core is timely.When actually used, pressure differential resetting value low value and pressure differential resetting value high level also can be set, so, In backwash process, when the pressure difference of filter element cleaning difference gauge 8 reaches the pressure differential resetting value low value of setting, according to its feedback signal The recycle control valve 25 and the return valve 72 are closed, replacing filter core is carried out;If without filter core is changed in time, when Y types Pressure difference before and after filter 71, i.e., after the numerical value of described filter element cleaning difference gauge 8 reaches setting value high level, then open blowoff valve 26 and enter Row blowdown, it is safe and reliable.Additionally, it is preferred that the recycle control valve 24, blowoff valve 26, return valve 72 and water intaking valve 52 are respectively One electric butterfly valve.
Wherein, the filter 6 includes the screen pack 62 and two stands 63 of two ring flat-plates 61, a tubular, described in two Ring flat-plate 61 is arranged at intervals in the inner chamber of the housing 1, and its periphery wall is connected with the inner wall sealing of the housing 1, the filtering Net 62 be preferably a stainless steel filtering net, its two ends correspondence is fixed on the internal ring wall of ring flat-plate 61 described in two, and correspondence with it is described enter Hydroecium 12 is connected, and the product hydroecium 11 is formed between the inwall of its lateral surface and the housing 1, and the correspondence of support 63 is solid described in two Due to internal ring wall (not indicated in figure) place of ring flat-plate described in two 61;
Wherein, a bearing 64 is separately installed with support 63 described in two, the correspondence of bearing 64 described in two is socketed on and described turns brush 3 Central rotating shaft 31 on, this is turned into brush 3 and is connected on the filter 6.Wherein, in practical application, can be according to work Need, the gap between the bristle of brush 3 and screen pack 62 is turned described in adjustment, be allowed to after sewage water filtration is met smoothly enter and produce water While room 11, it is easy to turn cleaning of the brush 3 to the surface of screen pack 62.
Further, the support 63 is cross bracket or Y type supports, the not limited to this in actual assembled, may be used also Think the support of other forms, such as yi word pattern, X-type etc., the bearing 64 is fixed on the center formed on the support 63 At through hole 631, the brush 3 that turns is set to be at same axle center with ring flat-plate 61, screen pack 62, to reach optimal using effect.
Referring to Fig. 1, undergauge forms a funnel shaped blowdown room 15 at the lower end of the housing 1, and the blowdown room 15 is adjacent In the upside of the hydraulic turbine 2, its side wall is provided with a manhole 151, and the manhole 151 is close to the hydraulic turbine 2, for right The carrying out of the hydraulic turbine 2 overhaul and its impeller installation and adjustment, the cover closure of manhole 151, it is described it is lower outlet 14 At the bottom of the blowdown room 15.In addition, a blow-off pipe 261 is connected with the blowoff valve 26, in order to use.
The utility model proposes waterpower self-cleaning filter, when practicing, in advance by the recycle control valve 25, Blowoff valve 26, backwash control difference gauge 4, water intaking valve 52, return valve 72 and filter element cleaning difference gauge 8 pass through cable respectively Be connected on electric cabinet, the signal operation of difference gauge 4, the offer of filter element cleaning difference gauge 8 is provided according to the backwash, such as, When the pressure difference for producing hydroecium 11 and intake chamber 12 reaches backwash controls the pressure differential resetting value of difference gauge 4, the backwash controls differential pressure 4 feedback signals are counted to electric cabinet, the electric cabinet opens the recycle control valve 25, close water intaking valve 52, carry out backwash operation;When When the pressure difference at the y-type filter two ends reaches the pressure differential resetting value low value of the setting of filter element cleaning difference gauge 8, its feedback signal is extremely Electric cabinet, electric cabinet closes the recycle control valve 25 and the return valve 72, when the pressure difference at the y-type filter two ends reaches To filter element cleaning difference gauge 8 setting pressure differential resetting value high level when, its feedback signal to electric cabinet, electric cabinet then opens blowoff valve 26 carry out blowdown operation ... etc., are prior art as the operation principle of above-mentioned part, will not be repeated here.Wherein, institute Return valve 72 is stated when in use in normally open, and specific work process of the present utility model is described below:
In normal process operation, the water inlet that sewage is entered by the water inlet ejector 51 and water intaking valve 52 of inlet pipeline 5 Room 12, by after screen pack 62, into the product hydroecium 11 in the outside of screen pack 62, and being discharged by discharge outlet 13, impurity is then retained In the inner side of screen pack 62;
When the impurity of deposition in the screen pack 62 increases, the mesh of the screen pack 62 can be gradually blocked, make entrance The discharge reduction in hydroecium 11 is produced, when the pressure difference for producing hydroecium 11 and intake chamber 12 reaches the pressure differential resetting that backwash controls difference gauge 4 During value, the feedback signal of difference gauge 4 is controlled according to the backwash, open the recycle control valve 25, close water intaking valve 52, carried out Backwash operation, now, on the one hand, the sewage in housing 1 is delivered to the water inlet pipe by blowdown room 15, reflux and filter pipeline 7 Road 5, so as to form circulating for sewage, in the process, the water wheels of the water jet propulsion hydraulic turbine 2 are rotated, to drive described turning The central rotating shaft 31 of brush 3 is rotated, and the inside of the screen pack 62 is cleaned using the bristle for turning brush 3, and impurity is cleared away, real Existing self-cleaning, on the other hand, the impurity of cleaning is backwashed water and takes away, and as current are by reflux and filter pipeline 7, by Y type mistakes Filter 71 is filtered, and current are again introduced into the housing 1 then by the negative pressure suction of water inlet ejector 51 water sucking mouth Recycling.
In backwash process, when the pressure difference that the pressure difference at the y-type filter two ends reaches the setting of filter element cleaning difference gauge 8 sets During definite value low value, sound and light alarm is sent by control cabinet according to its feedback signal, point out to carry out replacing filter core, carry out replacing filter Core;If without filter core is changed in time, after pressure difference increases to setting value high level before and after y-type filter 71, then blowoff valve 26 dozens Drive row blowdown into, it is safe and reliable.After filter core is changed, recycle control valve 25 and the return valve 72 are reopened, and close The blowoff valve 27, can continue backwash operation, and the filter core under changing can remove filter residue, standby to continue.
Compared with legacy equipment, the utility model does not have motor to drive back washing device, fully sharp using hydro powered backwash With equipment draining overbottom pressure, the energy-conservation for being conducive to equipment to run, with simple structure, convenient disassembly, Maintenance and Repair workload is low Advantage;The utility model is due to having reclaimed backwash draining so that draining is recycled, and reduces the draining water of equipment, carries The utilization ratio of water high.
The schematical specific embodiment of the utility model is the foregoing is only, model of the present utility model is not limited to Enclose.Any those skilled in the art, the equivalent variations made on the premise of design of the present utility model and principle is not departed from With modification, the scope of the utility model protection all should be belonged to.

Claims (9)

1. a kind of waterpower self-cleaning filter, it is characterised in that the waterpower self-cleaning filter includes:
Housing, is internally provided with a filter, and the two ends of the filter are connected with the housing seal, its lateral surface with It is formed with a product hydroecium between the medial surface of the housing, the part definition of the inner chamber of the housing on the upside of the filter It is an intake chamber, its side wall is provided with the discharge outlet being connected with the product hydroecium;
The hydraulic turbine, the water inlet of its upper end is connected with the lower outlet of the housing, and correspondence is communicated with the sewage draining exit of its lower end One backflow branch road and a blowdown branch road, is provided with a recycle control valve on the backflow branch road, be provided with the blowdown branch road One blowoff valve;
Turn brush, what its central rotating shaft can vertically be rotated is installed in the filter, the lower end protrusion of the central rotating shaft In the downside of the filter, and it is connected with the runner of the hydraulic turbine;
Backwash controls difference gauge, and its two ends is connected by pipeline correspondence with the intake chamber and product hydroecium;
Inlet pipeline, the intake chamber with the housing is connected, and by one can impurity screening reflux and filter pipeline with it is described Recycle control valve is connected.
2. waterpower self-cleaning filter as claimed in claim 1, it is characterised in that the reflux and filter pipeline includes a Y Type filter and a return valve, between the entrance of the y-type filter and the recycle control valve, the y-type filter goes out Pass through backflow between mouth and one end of the return valve and between the other end and the inlet pipeline of the return valve respectively Pipe is connected.
3. waterpower self-cleaning filter as claimed in claim 2, it is characterised in that the inlet pipeline enters water jet including Device and a water intaking valve, the water side of the water inlet ejector are connected with the intake chamber, and the two ends of the water intaking valve pass through Water inlet pipe is connected with the water inlet end of the water inlet ejector and water side;
The other end of the return valve is connected to the water sucking mouth of the water inlet ejector by the return duct.
4. waterpower self-cleaning filter as claimed in claim 3, it is characterised in that be additionally provided with a filter element cleaning difference gauge, its Two ends are connected to entrance and the exit of the y-type filter.
5. waterpower self-cleaning filter as claimed in claim 4, it is characterised in that the recycle control valve, blowoff valve, backflow Valve and water intaking valve are respectively an electric butterfly valve.
6. the waterpower self-cleaning filter as described in claim 1 or 5, it is characterised in that the filter includes two rings The screen pack and two stands of plate, a tubular, ring flat-plate described in two are arranged at intervals in the inner chamber of the housing, its periphery wall and institute State housing inner wall sealing connection, the screen pack two ends correspondence is fixed on the internal ring wall of ring flat-plate described in two, and correspondence with The intake chamber is connected, and the product hydroecium is formed between the inwall of its lateral surface and the housing, and support correspondence is solid described in two At the internal ring wall of ring flat-plate described in two;
Wherein, a bearing is separately installed with support described in two, bearing correspondence is socketed on the central rotating shaft for turning brush described in two On.
7. waterpower self-cleaning filter as claimed in claim 6, it is characterised in that the support is cross bracket or Y Type support, the bearing is fixed at the central through hole formed on the support.
8. the waterpower self-cleaning filter as described in claim 1 or 7, it is characterised in that undergauge shape at the lower end of the housing Into a funnel shaped blowdown room, the blowdown room is adjacent to the upside of the hydraulic turbine, and its side wall is provided with a manhole, described , near the hydraulic turbine, the lower outlet is at the bottom of blowdown room bottom for manhole.
9. waterpower self-cleaning filter as claimed in claim 8 a, it is characterised in that blowdown is connected with the blowoff valve Pipe.
CN201621331837.5U 2016-12-06 2016-12-06 A kind of waterpower self-cleaning filter Active CN206229023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621331837.5U CN206229023U (en) 2016-12-06 2016-12-06 A kind of waterpower self-cleaning filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621331837.5U CN206229023U (en) 2016-12-06 2016-12-06 A kind of waterpower self-cleaning filter

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CN206229023U true CN206229023U (en) 2017-06-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108635928A (en) * 2018-04-13 2018-10-12 马鞍山宏合建筑工程有限公司 A kind of self-cleaning filter
CN108771893A (en) * 2018-05-25 2018-11-09 张琛 A kind of sewage disposal washes filter device with ultrasonic counter-flushing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108635928A (en) * 2018-04-13 2018-10-12 马鞍山宏合建筑工程有限公司 A kind of self-cleaning filter
CN108771893A (en) * 2018-05-25 2018-11-09 张琛 A kind of sewage disposal washes filter device with ultrasonic counter-flushing

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