CN104922961B - Fabric filter - Google Patents
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- CN104922961B CN104922961B CN201510361033.3A CN201510361033A CN104922961B CN 104922961 B CN104922961 B CN 104922961B CN 201510361033 A CN201510361033 A CN 201510361033A CN 104922961 B CN104922961 B CN 104922961B
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Abstract
The invention discloses a kind of fabric filter, belong to the filtration art in water process, mainly include fiber cloth filter core, upper back washing device, lower back washing device, scum valve, upper flushing water intaking valve, down blow valve, lower flushing water intaking valve, pressure difference induction installation, backwash indexing mechanism, the filter efficiency of fabric filter of the present invention is high, the backwash mode being combined using reverse backwash and tangentially cleaning, recoil is more thorough, backwash effect is good, the filter interior is filtered simultaneously using several filter cores, filter area is big, stable performance, operation and maintenance are simple, because filter can set various back-washing methods by water quality situation, backwash is flexible, excellent.
Description
Technical field
The present invention relates to the filter in a kind of water process, the fiber cloth filter of more particularly to a kind of thorough backwash and regeneration of energy.
Background technology
With the raising of people's quality of life; protection to natural environment proposes new requirement; the protection and recycle of the particularly pair water resource closely bound up with people's life is particularly important, either domestic water, Treated sewage reusing; industrial water; chemical industry water, and well water, river etc. are required for the filtration treatment into water-filling; so as to the use water for being cleaned and rational recycling, so as to reach water conservation and water-saving purpose.
Filter cloth filter（Pond）It is that last century the nineties grow up, is a kind of water treatment device, compared with traditional filter plant, such as sand filtration, fibre-ball filtration, its technical process is simple, easy to control, it is adaptable to the water process of various scales.Common filter cloth filter（Pond）, such as the Chinese utility model patent of Patent No. 200720173409.9 (notification number is CN201085959Y)《For the fibre turntable filter chamber of sewage water depth-type filtration treatment》And Patent No. 200910097605.6（Notification number is CN101549222A）Chinese invention patent《A kind of filtering ponds》Deng being all to use filtering table（Or filtration core）Outsourcing filter cloth replaces conventional filter（Pond）Sand filtering material/fiber filtering, the aperture very little of filter cloth can retain the molecule that particle diameter is several microns, therefore effluent quality is more stable, and the suspension in accessing pending water forms the tired layer of suspension on filter cloth, increased the loss of flood peak, causes filter（Pond）In hydraulic pressure（Position）Rise, hydraulic pressure（Position）Reach predetermined hydraulic pressure（Position）Or during the time, backwash is carried out to filter cloth using water after filter or additional water source, due to there was only reverse water backwash, it is impossible to reach thorough backwash and water consumption is larger, this is the big bottleneck for perplexing existing filter-cloth filtering technology, in addition, because the area of filtering table or the outsourcing filter cloth of filter core frame is all larger, once there is local damage, it is necessary to by monoblock filter cloth replacing, change inconvenient, while will also result in the larger waste in resource.
The content of the invention
The present invention provides that a kind of filter efficiency is high, using reverse backwash and tangentially cleans backwash mode, the more thorough fabric filter of recoil being combined for above-mentioned problem of the prior art, the filter interior is filtered simultaneously using several filter cores, filter area is big, stable performance, operation and maintenance are simple, have filled up a blank in Water treatment filtration field.
Fabric filter of the invention, including filter body, upper spacer and lower clapboard are provided with the filter body, filter body is divided into middle part cylindrical housings space, top elliptical shell space and bottom oval-shaped shell space by the upper spacer and lower clapboard；The top elliptical shell space and/or bottom oval-shaped shell space are communicated with water inlet, and the middle part cylindrical housings space is communicated with delivery port；The main shaft at upper spacer center and lower clapboard center is provided through in the filter body, the upper backwash sewage suction device and lower backwash sewage suction device that can be rotated by main shaft are connected with main shaft, upper backwash sewage suction device is with lower backwash sewage suction device on same perpendicular；The upper blowdown connection of one end connection of the upper backwash sewage suction device, lower backwash sewage suction device one end connection down blow adapter；The down blow adapter connects water inlet by lower flushing water intaking valve, and upper blowdown connection connects delivery port by upper flushing water intaking valve；Be provided with the middle part cylindrical housings space several with main shaft be the circumferentially uniform fiber cloth filter core in axle center, the upper end of fiber cloth filter core is fixedly connected with upper spacer, the lower end of fiber cloth filter core is fixedly connected with lower clapboard, and with bottom oval-shaped shell space be connected top elliptical shell space by fiber cloth filter core；The circumference uniform distribution radius of several fiber cloth filter cores is identical with the radius of turn of upper backwash sewage suction device and lower backwash sewage suction device；The other end of the upper backwash sewage suction device is provided with the movable sealer that can connect fiber cloth filter core upper end, and the other end of the lower backwash sewage suction device is provided with the movable sealer that can connect fiber cloth filter core lower end.
The movable sealer includes that spring plate washer, movable sealing disk and one end connecting spring plate washer, the other end connect the spring of movable sealing disk, and movable sealing disk fits under the elastic force effect of spring with dividing plate.
The upper backwash sewage suction device and lower backwash sewage suction device are J-type structure, and one end of J-type structure head is connected with main shaft key connecting, the other end of head with blowdown connection spigot-and-socket movable sealing, and the afterbody of J-type structure sets movable sealer.
The other end of the J-type structure head of the upper backwash sewage suction device is connected with the big adapter that upper blowdown connection is provided with by upper spigot-and-socket movable sealing structure, the upper spigot-and-socket movable sealing structure includes being located at the upper press ring and lower pressure ring of big adapter bottom, and sealing ring is set between upper press ring and lower pressure ring.
Several tie points of circle distribution are set between the upper press ring and lower pressure ring, the circle diameter that several tie points are formed is slightly larger than sealing ring external diameter.
The upper blowdown connection is connected with scum valve, and the down blow adapter is connected with down blow valve.
Connection support tube in center is provided between the upper spacer and lower clapboard, with bottom oval-shaped shell space be connected top elliptical shell space by center connection support tube.
The fiber cloth filter core is made up of frame of filter element and fiber cloth, and fiber is arranged in the inner side of frame of filter element, and fiber cloth is made up of base fabric and fiber hair, and base fabric is fixed on frame of filter element, and fiber hair is planted in base fabric.
The main shaft is provided with the backwash indexing mechanism positioned to upper backwash sewage suction device and lower backwash sewage suction device position.
The pressure difference induction installation to water-in and water-out piezometry is provided with the filter body.
Filter core is made up of frame of filter element and fiber cloth used by fabric filter of the invention, fiber is arranged in the inner side of frame of filter element, fiber cloth is made up of base fabric and fiber hair, base fabric is directly contacted with frame of filter element, and bonded completely with skeleton, fiber hair is planted in base fabric, and fiber hair is with base fabric into the angle less than 90 degree.
In the present invention, center connection support tube one is the upper lower clapboard of support, lower clapboard is formed an entirety；Two is that smoothly the raw water in lower house is introduced into upper shell, reduces the lower end inflow from filter core, so that the filtration resistance of crossing for reducing system is damaged；Three is that filter body effectively is divided into raw water chamber and qualified water cavity.
In order that lower backwash sewage suction device is rational in infrastructure, easy to process, it is the type shape of English alphabet " J " that spy is made into, and its main body uses steel pipe manufacturing, form rational passage, can by backwash when inhaled from filter core come sewage deliver to down blow adapter in, finally from filter discharge, in addition, spring plate washer, spring, movable sealing disk are provided with lower backwash sewage suction device, movable sealing disk is fitted by the elastic force of spring with lower clapboard.
In order that upper backwash sewage suction device is rational in infrastructure, easy to process, it is the type shape of English alphabet " J " that spy is made into, and its main body uses steel pipe manufacturing, form rational passage, can by backwash when deliver to upper blowdown connection from inhaling the sewage that comes on filter core, finally discharged from filter, in addition, spring plate washer, spring, movable sealing disk are provided with upper backwash sewage suction device, movable sealing disk is fitted completely by the elastic force of spring with upper spacer.
Impurity in fiber cloth filter core is suctioned out from filter core, above-mentioned upper backwash sewage suction device and lower backwash sewage suction device are set in same perpendicular by spy, while two of single fiber cloth filter core can be sealed.
Upper blowdown connection is made up of big adapter and small takeover, upper blowdown connection is smoothly entered in order to upper backwash sewage suction device is drawn through into the sewage for coming from filter core, big adapter in upper blowdown connection is welded in upper enclosure inner wall, small takeover in upper blowdown connection is welded with big nozzle opening, small takeover is welded with upper shell perforate, upper press ring is welded with the lower end of big adapter, lower pressure ring is provided with below upper press ring, upper press ring is with lower pressure ring for flange couples, sealing ring is provided between upper press ring and lower pressure ring, in order that the freely activity of sealing ring energy small range, lower pressure ring is provided with the tie point of several circle distributions, the thickness of the slightly greater height than sealing ring of tie point, and the circle diameter that several tie points are formed is slightly larger than sealing ring external diameter, in order to realize sealing, the endoporus of sealing ring coordinates with upper backwash sewage suction device termination movable sealing.
In order to by the water purification in delivery port（Water after filter）Filter is introduced, filter core is rinsed, it is special that the pipeline that water intaking valve and upper blowdown connection are rinsed on pipeline communication in upper blowdown connection and delivery port, and connection is located between upper shell and scum valve upper flushing water intaking valve by pipeline.
In order to the raw water in water inlet is introduced through into filter, filter core is rinsed, it is special that lower flushing water intaking valve is passed through into pipeline by the pipeline communication on down blow adapter and water inlet, and the pipeline that the lower flushing water intaking valve of connection and down blow are taken over is positioned between lower house and down blow valve.
The filter efficiency of fabric filter of the present invention is high, using reverse backwash and tangentially clean be combined backwash mode, recoil it is more thorough, backwash effect is good, the filter interior is filtered simultaneously using several filter cores, filter area is big, stable performance, operation and maintenance are simple, because filter can set various back-washing methods by water quality situation, backwash is flexible, excellent.
Brief description of the drawings
Fig. 1 is external structure schematic diagram of the invention.
Fig. 2 is cross section structure diagram of the invention.
Fig. 3 is a-quadrant mplifying structure schematic diagram in Fig. 2.
Fig. 4 is B regions mplifying structure schematic diagram in Fig. 2.
In figure：Motor 1, reductor 2, upper backwash sewage suction device 3, upper spacer 4, fiber cloth filter core 5, middle cylinder 6, main shaft 7, lower clapboard 8, lower backwash sewage suction device 9, water inlet 10 on lower house, down blow adapter 11, lower flushing water intaking valve 12, down blow valve 13, lower house 14, delivery port 15, center connects support tube 16, upper shell 17, upper flushing water intaking valve 18, scum valve 19, upper blowdown connection 20, main shaft sealing device 21, backwash indexing mechanism 22, pressure difference induction installation 23, intelligent control box 24, spring plate washer 31, spring 32, movable sealing disk 33, big adapter 201, upper press ring 202, lower pressure ring 203, sealing ring 204, tie point 205.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, fabric filter of the present invention includes filter body, upper spacer 4 and lower clapboard 8 are provided with the filter body, filter body is divided into middle part cylindrical housings space, top elliptical shell space and bottom oval-shaped shell space by upper spacer 4 and lower clapboard 8；Top elliptical shell space and/or bottom oval-shaped shell space are communicated with water inlet 10, and middle part cylindrical housings space is communicated with delivery port 15；The main shaft 7 at the center of upper spacer 4 and the center of lower clapboard 8 is provided through in filter body, the upper backwash sewage suction device 3 and lower backwash sewage suction device 9 that can be rotated by main shaft 7 are connected with main shaft 7, upper backwash sewage suction device 3 is with lower backwash sewage suction device 9 on same perpendicular；The upper blowdown connection 20 of one end connection of upper backwash sewage suction device 3, the lower one end of backwash sewage suction device 9 connection down blow adapter 11；The down blow adapter 11 connects water inlet 10 by lower flushing water intaking valve 12, and upper blowdown connection 20 connects delivery port 15 by upper flushing water intaking valve 18；It is the circumferentially uniform fiber cloth filter core 5 in axle center that several are provided with the cylindrical housings space of middle part with main shaft 7, the upper end of fiber cloth filter core 5 is fixedly connected with upper spacer 4, the lower end of fiber cloth filter core 5 is fixedly connected with lower clapboard 8, and with bottom oval-shaped shell space be connected top elliptical shell space by fiber cloth filter core 5；The circumference uniform distribution radius of several fiber cloth filter cores 5 is identical with the radius of turn of upper backwash sewage suction device 3 and lower backwash sewage suction device 9；The other end of upper backwash sewage suction device 3 is provided with the movable sealer that can connect the upper end of fiber cloth filter core 5, the other end of lower backwash sewage suction device 9 is provided with the movable sealer that can connect the lower end of fiber cloth filter core 5, the movable sealer includes that spring plate washer 31, movable sealing disk 33 and one end connecting spring plate washer 31, other end connect the spring 32 of movable sealing disk 33, movable sealing disk 33 fits under the elastic force effect of spring 32 with dividing plate, and the dividing plate includes upper spacer 4, lower clapboard 8；Upper backwash sewage suction device 3 and lower backwash sewage suction device 9 are J-type structure, one end of J-type structure head is connected with the key connecting of main shaft 7, the other end and blowdown connection spigot-and-socket movable sealing, J-type structure afterbody sets movable sealer, and blowdown connection includes upper blowdown connection 20, down blow adapter 11；Upper blowdown connection 20 is connected with scum valve 19, and down blow adapter 11 is connected with down blow valve 13；Connection support tube 16 in center is provided between upper spacer 4 and lower clapboard 8, with bottom oval-shaped shell space be connected top elliptical shell space by center connection support tube 16.
Because main shaft 7 is for driving upper backwash sewage suction device 3 and lower backwash sewage suction device 9 to rotate,It is not required to go deep into bottom oval-shaped shell space,So the caliber of down blow adapter 11 need to only be slightly larger than the J-type structure head caliber of lower backwash sewage suction device 9,Can be by the J-type structure head insertion down blow adapter 11 by backwash sewage suction device 9,And realize that spigot-and-socket movable sealing is connected in the mode that connecting portion sets movable sealing circle,And consider main shaft 7 and pass through filter body upper end,Upper blowdown connection 20 is provided with the big adapter 201 for being fixed on filter body top,Main shaft 7 is set to be wrapped in inside big adapter 201,Now,The J-type structure head caliber that the caliber of big adapter 201 is likely larger than backwash sewage suction device 3 is more,Make the more preferable movable sealing relatively difficult to achieve only by way of grafting,As shown in Figure 4,The other end of the J-type structure head of upper backwash sewage suction device 3 is connected with the big adapter 201 of upper blowdown connection 20 by upper spigot-and-socket movable sealing structure,Upper spigot-and-socket movable sealing structure includes being located at the upper press ring 202 and lower pressure ring 203 of the big bottom of adapter 201,Upper press ring 202 is welded with big adapter 201,Upper press ring 202 and lower pressure ring 203 are flange connection,Sealing ring 204 is set between upper press ring 202 and lower pressure ring 203,Several tie points 205 of circle distribution can be set between upper press ring 202 and lower pressure ring 203,Several tie points 205 are welded with lower pressure ring 203,And the height of tie point 205 is slightly larger than the thickness of sealing ring 204,The circle diameter that several tie points 205 are formed is slightly larger than the external diameter of sealing ring 204,So sealing ring 204 can preferably be gone up,Lower press strip and tie point are positioned,And can on a small quantity be moved freely with the head that upper backwash sewage suction device is J-type structure,So as to enormously simplify the difficulty of processing of this sealing structure,Main shaft sealing ring 204 when rotating is set still to be able to preferably realize sealing again.
In order that upper backwash sewage suction device 3 is rational in infrastructure, it is easy to process, spy is made into the shape of English alphabet " J ", and its main body uses steel pipe manufacturing, form rational passage, can by backwash when inhaled from fiber cloth filter core 5 during the sewage for coming delivers to upper blowdown connection 20, it is final to be discharged from filter, in addition, upper backwash sewage suction device 3 couples with the dynamic sealing of upper spacer 4, movable sealer is provided with upper backwash sewage suction device 3, as shown in Figure 3, the movable sealer includes spring plate washer 31, spring 31, movable sealing disk 33, movable sealing disk 33 is affixed with upper spacer 4 by the elastic force of spring 31 and merges and can be slided on the upper surface of upper spacer 4 with the rotation of upper backwash sewage suction device 3.Equally, in order that lower backwash sewage suction device 9 is rational in infrastructure, easy to process, spy is made into the shape of English alphabet " J ", and its main body uses steel pipe manufacturing, form rational passage, can by backwash when inhaled from fiber cloth filter core 5 during the sewage for coming delivers to down blow adapter 11, the finally discharge from filter；Equally, be provided with lower backwash sewage suction device 9 has mutually isostructural lower movable sealer with upper movable sealer, and the lower movable sealer is affixed with the lower surface of lower clapboard 8 and merges and can be slided on the lower surface of lower clapboard 8 with the rotation of lower backwash sewage suction device 9.
In the present invention, fiber cloth filter core 5 is made up of frame of filter element and fiber cloth, and fiber is arranged in the inner side of frame of filter element, and fiber cloth is made up of base fabric and fiber hair, and base fabric is fixed on frame of filter element, and fiber hair is planted in base fabric；Main shaft 7 in the present invention is provided with the backwash indexing mechanism 22 positioned to upper backwash sewage suction device 3 and the lower position of backwash sewage suction device 9；The pressure difference induction installation 23 to water-in and water-out piezometry is provided with filter body.
Fabric filter of the present invention can select various back-washing methods according to water quality situation, and the backwash mode for each filter core such as can be：
One, back flushes：It is suitable for general light polluted water.With the carrying out that filter is filtered,The filter core of filter interior is progressively dirty stifled,Pressure difference increases,When certain value is reached,Start motor,Motor 1 drives reductor 2,Reductor drives connected main shaft 7 to rotate,Main shaft drives upper backwash sewage suction device and lower backwash sewage suction device to rotate simultaneously,When they go to first filter core,Indexing mechanism is sensed,Now motor is stopped,Down blow valve is opened simultaneously,Because upper backwash sewage suction device and lower backwash sewage suction device seal the water inlet up and down of filter core,Raw water can not enter,Filter core by lower backwash sewage suction device and down blow take over and adapter on blowoff valve directly and atmosphere,Then the pressure inside filter core is close to atmospheric pressure,And the water after filter outside filter core has pressure higher,Water after filter moment with pressure carries out back flush to filter core,The sewage for producing is rinsed to be discharged by down blow valve,Until the pressure difference of Inlet and outlet water drops to normal value；
Two, reversely rush+tangential flushing downwards：It is suitable for intermediate pollution water quality.With the carrying out that filter is filtered, the filter core of filter interior is progressively dirty stifled, pressure difference increases, when certain value is reached, start motor, motor 1 drives reductor 2, reductor drives connected main shaft 7 to rotate, main shaft drives upper backwash sewage suction device and lower backwash sewage suction device to rotate simultaneously, when they go to first filter core, indexing mechanism is sensed, now motor is stopped, down blow valve is opened simultaneously, water intaking valve is rinsed in opening, filter core is from top to bottom tangentially rinsed using the water after filter in outlet pipe, the now back flush of backwash mode one is still being carried out, so as to realize filter core being cleaned using reverse and tangential two ways simultaneously, cleaning efficiency is high；
Three, reversely rush+tangential flushing upwards：It is suitable for intermediate pollution water quality.With the carrying out that filter is filtered, the filter core of filter interior is progressively dirty stifled, pressure difference increases, when certain value is reached, start motor, motor 1 drives reductor 2, reductor drives connected main shaft 7 to rotate, main shaft drives upper backwash sewage suction device and lower backwash sewage suction device to rotate simultaneously, when they go to first filter core, indexing mechanism is sensed, now motor is stopped, scum valve is opened simultaneously, open lower flushing water intaking valve, filter core is tangentially rinsed from the bottom to top using raw water, the now back flush of backwash mode one is still being carried out, so as to realize filter core being cleaned using reverse and tangential two ways simultaneously, cleaning efficiency is high；
Four, are reversely rushed, reversely punching+tangential punching downwards, reversely punching, reversely punching+tangential punching upwards.More efficient cleaning is carried out to filter core when may be implemented in serious pollution water treatment with reference to above-mentioned three kinds of backwashing manners, so as to ensure the high efficiency filter effect of filter.
And if according to above-mentioned four kinds of cleaning ways, by using rational Automated condtrol mode, being then capable of achieving the intellectuality cleaning to filter, by taking above-mentioned 4th kind of cleaning way as an example, the backwash operation of each filter core can divide four steps to walk：That is reversely punching, reversely punching+tangential punching downwards, reversely punching, reversely punching+tangential punching upwards.Treat that drainage is entered by water inlet during normal filtration, inside several fiber cloth filter cores, after drainage from filter core inside by fiber cloth filter after, impurity is trapped, water purification collect after from delivery port flow out, with the passage of filtering, fiber cloth filter core is gradually stifled by dirt, and filtering water resistance is increased, when setting value is reached, pressure difference induction installation is signaled to the micro computer in intelligent control box, and micro computer starts backwash procedure.The first step is reversely rushed：Start motor first,Motor drives reductor,Reductor drives connected main axis,Main shaft drives upper backwash sewage suction device and lower backwash sewage suction device to rotate simultaneously,When they go to first filter core,Indexing mechanism is sensed,Signal is reached into micro computer,Micro computer sends instruction,Motor is stopped,Down blow valve is opened simultaneously,Because upper backwash sewage suction device and lower backwash sewage suction device seal the water inlet up and down of filter core,Raw water can not enter,Filter core by lower backwash sewage suction device and down blow take over and adapter on blowoff valve directly and atmosphere,Then the pressure inside filter core is close to atmospheric pressure,And the water after filter outside filter core has pressure higher,Water after filter moment with pressure carries out back flush to filter core,The sewage for producing is rinsed to be discharged by down blow valve,Rinse 5 seconds or so rear micro computers and send instruction,Carry out the reverse punching+tangential punching downwards of second step：Water intaking valve is rinsed in opening, filter core is from top to bottom tangentially rinsed using the water after filter in outlet pipe, now back flush is still being carried out, filter core is cleaned using reverse and tangential two ways simultaneously, two ways is cleaned about 3 seconds simultaneously after, water intaking valve and down blow valve are rinsed in closing, into the reverse punching of the 3rd step, micro computer sends instruction, open scum valve, reverse punching with the first step is similarly, filter core is reversely rushed using water after filter with pressure, rinse 5 seconds or so rear micro computers and send instruction, open lower flushing water intaking valve, enter the reverse punching+tangential punching upwards of the 4th step, after rinsing about 3 seconds, close scum valve and enter backwash water valve with, first filter core is rinsed and terminated, in the same way, until all of filter core is rinsed finishing, the pressure difference of Inlet and outlet water drops to normal value, whole backwash terminates.Because filter interior has multiple filter cores, in backwash, other filter cores are still in filtration condition to a filter core, therefore do not influence the normal filtration of filter.The filter efficiency of fabric filter of the present invention is high, using reverse backwash and tangentially clean be combined backwash mode, recoil it is more thorough, backwash effect is good, the filter interior is filtered simultaneously using several filter cores, filter area is big, stable performance, operation and maintenance are simple, because filter can set various back-washing methods by water quality situation, backwash is flexible, excellent.
Claims (10)
1. a kind of fabric filter, including filter body, it is characterised in that be provided with upper spacer in the filter body（4）And lower clapboard（8）, the upper spacer（4）And lower clapboard（8）Filter body is divided into middle part cylindrical housings space, top elliptical shell space and bottom oval-shaped shell space；The top elliptical shell space and/or bottom oval-shaped shell space are communicated with water inlet（10）, the middle part cylindrical housings space is communicated with delivery port（15）；Upper spacer is provided through in the filter body（4）Center and lower clapboard（8）The main shaft at center（7）, main shaft（7）On be connected with can be by main shaft（7）The upper backwash sewage suction device being rotated（3）With lower backwash sewage suction device（9）, upper backwash sewage suction device（3）With lower backwash sewage suction device（9）On same perpendicular；The upper backwash sewage suction device（3）One end upper blowdown connection of connection（20）, lower backwash sewage suction device（9）One end connection down blow adapter（11）；The down blow adapter（11）By lower flushing water intaking valve（12）Connection water inlet（10）, upper blowdown connection（20）By upper flushing water intaking valve（18）Connection delivery port（15）；Several are provided with main shaft in the middle part cylindrical housings space（7）It is the circumferentially uniform fiber cloth filter core in axle center（5）, fiber cloth filter core（5）Upper end and upper spacer（4）It is fixedly connected, fiber cloth filter core（5）Lower end and lower clapboard（8）It is fixedly connected, fiber cloth filter core（5）Top elliptical shell space is connected with bottom oval-shaped shell space；Several fiber cloth filter cores（5）Circumference uniform distribution radius and upper backwash sewage suction device（3）And lower backwash sewage suction device（9）Radius of turn it is identical；The upper backwash sewage suction device（3）The other end be provided with and can connect fiber cloth filter core（5）The movable sealer of upper end, the lower backwash sewage suction device（9）The other end be provided with and can connect fiber cloth filter core（5）The movable sealer of lower end.
2. fabric filter as claimed in claim 1, it is characterised in that the upper backwash sewage suction device（3）With lower backwash sewage suction device（9）It is J-type structure, one end of J-type structure head and main shaft（7）Key connecting, the other end and blowdown connection spigot-and-socket movable sealing connection, J-type structure afterbody set movable sealer.
3. fabric filter as claimed in claim 2, it is characterised in that the upper backwash sewage suction device（3）J-type structure head the other end and upper blowdown connection（20）Big adapter（201）Connected by upper spigot-and-socket movable sealing structure, the upper spigot-and-socket movable sealing structure includes being located at big adapter（201）The upper press ring of bottom（202）With lower pressure ring（203）, upper press ring（202）With lower pressure ring（203）Between set sealing ring（204）.
4. fabric filter as claimed in claim 3, it is characterised in that the upper press ring（202）With lower pressure ring（203）Between set several tie points of circle distribution（205）, several tie points（205）The circle diameter for being formed is slightly larger than sealing ring（204）External diameter.
5. the fabric filter as described in claim any one of 1-4, it is characterised in that the movable sealer includes spring plate washer（31）, movable sealing disk（33）And one end connecting spring plate washer（31）, the other end connection movable sealing disk（33）Spring（32）, movable sealing disk（33）In spring（32）Elastic force effect lower fitted with dividing plate.
6. fabric filter as claimed in claim 1, it is characterised in that the upper blowdown connection（20）It is connected with scum valve（19）, the down blow adapter（11）It is connected with down blow valve（13）.
7. fabric filter as claimed in claim 1, it is characterised in that the upper spacer（4）And lower clapboard（8）Between be provided with center connection support tube（16）, the center connects support tube（16）Top elliptical shell space is connected with bottom oval-shaped shell space.
8. fabric filter as claimed in claim 1, it is characterised in that the fiber cloth filter core（5）It is made up of frame of filter element and fiber cloth, fiber is arranged in the inner side of frame of filter element, fiber cloth is made up of base fabric and fiber hair, and base fabric is fixed on frame of filter element, and fiber hair is planted in base fabric.
9. fabric filter as claimed in claim 1, it is characterised in that the main shaft（7）It is provided with to upper backwash sewage suction device（3）And lower backwash sewage suction device（9）The backwash indexing mechanism of position positioning（22）.
10. fabric filter as claimed in claim 1, it is characterised in that the pressure difference induction installation to water-in and water-out piezometry is provided with the filter body（23）.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510361033.3A CN104922961B (en) | 2015-06-27 | 2015-06-27 | Fabric filter |
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|---|---|---|---|
| CN201510361033.3A CN104922961B (en) | 2015-06-27 | 2015-06-27 | Fabric filter |
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| CN104922961A CN104922961A (en) | 2015-09-23 |
| CN104922961B true CN104922961B (en) | 2017-05-31 |
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| CN201510361033.3A Active CN104922961B (en) | 2015-06-27 | 2015-06-27 | Fabric filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106563302B (en) * | 2015-10-13 | 2019-01-18 | 南通海利源船舶设备工程有限公司 | A kind of big flow high-precision full-automatic online backflushing filter washer |
| CN110947228B (en) * | 2019-11-29 | 2021-08-03 | 烟台金正环保科技有限公司 | Anti-fouling water inlet and return method for filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2728594Y (en) * | 2004-10-10 | 2005-09-28 | 马建光 | Self-cleaning water filter |
| CN201668991U (en) * | 2010-05-04 | 2010-12-15 | 南通朗高石化设备有限公司 | Fully-automatic back-flush filter |
| KR101254776B1 (en) * | 2012-07-16 | 2013-04-15 | 삼건세기(주) | Filter apparatus having pressurizing system |
| CN204865181U (en) * | 2015-06-27 | 2015-12-16 | 合肥三番水处理设备有限公司 | Fibre filter |
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| CN104922961A (en) | 2015-09-23 |
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