CN104747737A - Film-covered filter element outer flushing valve - Google Patents
Film-covered filter element outer flushing valve Download PDFInfo
- Publication number
- CN104747737A CN104747737A CN201510132366.9A CN201510132366A CN104747737A CN 104747737 A CN104747737 A CN 104747737A CN 201510132366 A CN201510132366 A CN 201510132366A CN 104747737 A CN104747737 A CN 104747737A
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- China
- Prior art keywords
- valve body
- spool
- overlay film
- filter core
- film filter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Details Of Valves (AREA)
Abstract
The invention provides a film-covered filter element outer flushing valve, and relate to valves. The valve mainly comprises a lower valve body, a middle valve body, an upper valve body, a first valve element, a second valve element, a first spring, a second spring, a first O-shaped sealing ring and a second O-shaped sealing ring. The film-covered filter element outer flushing valve is installed at the upper end of a film-covered filter element. When the film-covered filter element is in a filtering stage, the film-covered filter element outer flushing valve is opened. When the film-covered filter element is in a backwash stage, the film-covered filter element outer flushing valve guides high-pressure liquid mediums conveyed by a water pump to the outer surface of the film-covered filter element, the film-covered filter element outer flushing valve guides induced flow formed by liquid mediums around the outer side of the film-covered filter element to the outer surface of the film-covered filter element, a filter cake formed by impurity particles and attached to the outer surface of the film-covered filter element is washed away, the film-covered filter element can be safely cleaned, use of control equipment large in size and high in cost can be avoided, and the film-covered filter element outer flushing valve can be suitable for filtering systems with toxic and flammable liquid mediums.
Description
Technical field
The present invention is the outer flushing valve of a kind of overlay film filter core, and it relates to a kind of valve, particularly relates to a kind of outer flushing valve for overlay film filter element cleaning.
Background technique
What overlay film filter core adopted is coated filter material, and coated filter material is with hot-pressing technique or bonding technique, the combined type filtrate that top layer polytetrafluoroethylmicroporous microporous membrane being covered the common filtering materials such as terylene needled felt is made.The hole of the polytetrafluoroethylmicroporous microporous membrane on coated filter material surface is very little, and can realize liquid medium or the high-precision filtration of gas medium, be the filtering material of a kind of advanced technology, excellent performance.Because coated filter material is that bi-material is combined with each other, the too high meeting of reverse cleaning pressure makes polytetrafluoroethylmicroporous microporous membrane come off from base material surfaces such as terylene needled felts, causes filtrate to scrap, wears the accident of filter when filtering.The reverse cleaning systems most of therefore traditional overlay film filter core adopts the equipment such as elevated tank to guarantee the accurate control of reverse cleaning pressure.Because elevated tank is bulky, poor sealing performance, be not suitable for filtration system that is poisonous, inflammable liquid medium.The control apparatus that filtration system that is poisonous, inflammable liquid medium can only adopt water pump and pressure control valve etc. complicated, equipment cost is high, operational reliability is poor.
If a control valve can be installed in overlay film filter core upper end, when overlay film filter core is in filtration stage, this control valve is opened, when overlay film filter core is in wash phase, this control valve guides to the high-pressure liquid medium that water pump is carried the outer surface of overlay film filter core, the impurity particle being attached to overlay film filter core outer surface is rinsed well, cleaning overlay film filter core that then can be safe, can avoid again adopting the control apparatus that volume is large, cost is high, and filtration system that is poisonous, inflammable liquid medium can be applicable to.
Summary of the invention
The backwashing equipment volume that the object of the invention is to overcome traditional overlay film filter core is large, cost is high and be more difficultly applicable to defect that is poisonous, inflammable liquid medium, there is provided one to be arranged on overlay film filter core upper end, overlay film filter core is realized to the outer flushing valve of overlay film filter core of filtration and cleaning control.Embodiment of the present invention are as follows:
The total feature of the present invention is that the outer flushing valve of overlay film filter core is primarily of lower valve body, middle valve body, upper valve body, spool one, spool two, spring one, spring two, O-ring seals one, O-ring seals two composition.The outer flushing valve of overlay film filter core is fitted together by lower valve body, middle valve body, upper valve body from bottom to up respectively, valve body cavity of resorption and middle valve body epicoele in being formed inside middle valve body, spool two and spring two are arranged on middle valve body cavity of resorption, and spool one and spring one are arranged on middle valve body epicoele.
Upper valve body is in the semiclosed cylindrical shape that Open Side Down, there is outside thread one upper valve body upper end, there is multiedge cylinder outside thread one lower end, multiedge cylinder lower end is upper valve body bead, it is upper valve body inner chamber inside upper valve body bead, upper valve body inner chamber has internal thread one, has upper valve body center hole, upper valve body center hole and the upper valve body intracavity inter-connection of an axis in the middle of upper valve body upper-end surface.
Middle valve body is in the semiclosed cylindrical shape that Open Side Down, there is outside thread two middle valve body upper end, there is middle valve body bead outside thread two lower end, o-ring groove one between outside thread two and middle valve body bead, O-ring seals one is arranged in o-ring groove one, middle valve body bead outer surface has several cannelures, it is middle valve body cavity of resorption inside middle valve body bead, middle valve body cavity of resorption has internal thread two, it is middle valve body epicoele inside outside thread two, middle valve body epicoele upper end has a cross section to be cross or lambdoid upper bracket, gap between upper bracket is upper bracket hole, there is the lower support frame of a ring-shaped section and ring-shaped middle valve body epicoele lower end, gap between lower support frame is several valve seat through-holes, middle valve body epicoele is connected by valve seat through-hole with middle valve body cavity of resorption, upper bracket and lower support frame link together, spring intracavity is had in the middle of lower support frame, middle valve body epicoele is connected by spring intracavity with middle valve body cavity of resorption, valve body epicoele during upper bracket hole and valve seat through-hole form.
Lower valve body is cylindrical, outside thread three is had in the middle of lower valve body, there is lower valve body bead outside thread three lower end, o-ring groove two between outside thread three and lower valve body bead, O-ring seals two is arranged in o-ring groove two, there are several axial spray-holes lower valve body bead lower end surface, there is a valve seat boss lower valve body upper end, there is a spring groove valve seat boss lower end, it is lower body cavity inside valve seat boss, valve seat boss is sealing surface of seat inside upper-end surface, lower valve body bead lower end and flow deflecting cone link together, flow deflecting cone lower end inside has connection internal thread, the guide shell that one annular is had outside flow deflecting cone, several guide plates are guide shell, flow deflecting cone and lower valve body bead link together, annular space between guide shell and flow deflecting cone is diversion cavity, hole of confluxing between guide shell and lower valve body bead.
Spool one is in disc, and there is a spool groove spool one upper end, and the lower end of spring one is arranged in spool groove.Spool two is in ring, and there is a spool boss spool two lower end, and the upper end of spring two is arranged on outside spool boss.
When the outer flushing valve of overlay film filter core is assembled, spring one is arranged in the spring intracavity of middle valve body, spool one is arranged on spring one lower end, spring two is arranged in the spring groove of lower valve body, spool two is arranged on spring two upper end, by outside thread three and internal thread two, lower valve body and middle valve body are linked together, are linked together by valve body and upper valve body in outside thread two and internal thread one handle.
In the outer flushing valve assembly process of overlay film filter core, by multiedge cylinder, cannelure, guide plate, upper valve body, middle valve body, lower valve body are fixed on special fixture, complete the outer flushing valve assembling work of overlay film filter core.
After the outer flushing valve assembling of overlay film filter core, spool one is under the effect of medium pressure liquid, and spool one is Compress Spring one upwards, and lifted off a seat sealing surface certain distance in spool one lower end surface, the outer flushing valve of overlay film filter core is in opening state.Spool one loses the effect of medium pressure liquid, and under the elastic force effect of spring one, spool one moves down, and makes spool one lower end surface be fitted on sealing surface of seat, and the outer flushing valve of overlay film filter core is in closed condition.
Spool two is under the effect of medium pressure liquid, and spool two Compress Spring two downwards, makes spool two upper-end surface leave lower support frame lower end surface certain distance, and spool two can not seal valve seat through hole, and the outer flushing valve of overlay film filter core is in outer cleaning state.Spool two loses the effect of medium pressure liquid, and under the elastic force effect of spring two, spool two moves up, and makes spool two upper-end surface be fitted on lower support frame lower end surface, and the outer flushing valve of overlay film filter core is in closed condition.
As filtration and the cleaning control valve of overlay film filter core, the outer flushing valve of overlay film filter core is when applying, overlay film filter core is arranged in the connection internal thread of the lower valve body of the outer flushing valve of overlay film filter core, and the outer flushing valve of overlay film filter core is arranged in filter by the outside thread one of upper valve body.
The overlay film filter element filtering phase process being provided with the outer flushing valve of overlay film filter core is:
In filtration stage, liquid medium enters in filter tank body, liquid medium enters the inner chamber of overlay film filter core again through the micropore of overlay film filter core, liquid medium enters in the outer flushing valve of overlay film filter core by valve inlet, liquid medium is through lower body cavity, spool one is under the effect of medium pressure liquid, liquid medium promotes spool one lower end surface, spool one is Compress Spring one upwards, lifted off a seat sealing surface certain distance in spool one lower end surface, the outer flushing valve of overlay film filter core is in opening state, during liquid medium passes through, valve body epicoele is entered the drain pipe of filter by upper valve body center hole, liquid medium is from drain pipe discharge filter tank body.The outer surface that impurity particle in liquid medium is then intercepted at overlay film filter core forms filter cake.
After filtration stage terminates, liquid medium stops entering in filter tank body, and spool one loses the effect of medium pressure liquid, under the elastic force effect of spring one, spool one moves down, and makes spool one lower end surface be fitted on sealing surface of seat, and the outer flushing valve of overlay film filter core is in closed condition.
The outer wash phase process of overlay film filter core being provided with the outer flushing valve of overlay film filter core is:
Outside in wash phase, the high-pressure liquid medium of water pump conveying to enter overlay film filter core in flushing valve from the drain pipe of filter, liquid medium enters in middle valve body epicoele by upper valve body center hole, spool two is under the effect of medium pressure liquid, liquid medium promotes spool two upper-end surface, spool two is Compress Spring two downwards, spool two upper-end surface is made to leave lower support frame lower end surface certain distance, spool two can not seal valve seat through hole, the outer flushing valve of overlay film filter core is in outer cleaning state, liquid medium by spray-hole to atomizing of liquids dielectric fluid stream in the filter tank body outside flushing valve outside overlay film filter core, liquid medium liquid stream is through diversion cavity, the flow velocity of liquid medium liquid stream in diversion cavity is very fast, make the pressure in diversion cavity lower than the pressure of guide shell outer periphery, the liquid medium of guide shell outer periphery forms induced flow, induced flow enters diversion cavity from hole of confluxing, the high-pressure liquid medium that water pump is carried in the outer flushing valve of overlay film filter core and induced flow guide to the outer surface of overlay film filter core, the filter cake formed by impurity particle being attached to overlay film filter core outer surface is rinsed well.
After wash phase terminates outside, liquid medium stops entering in the outer flushing valve of overlay film filter core, spool two loses the effect of medium pressure liquid, under the elastic force effect of spring two, spool two moves up, make spool two upper-end surface be fitted on lower support frame lower end surface, the outer flushing valve of overlay film filter core is in closed condition.
The technological scheme of the outer flushing valve of overlay film filter core is installed in overlay film filter core upper end, abandon traditional overlay film filter core reverse cleaning principle, adopt the parallel outer Cleaning principle of overlay film filter core, the hidden danger that polytetrafluoroethylmicroporous microporous membrane comes off from base material surfaces such as terylene needled felts can be made when having stopped overlay film filter core reverse cleaning, this technological scheme can safety cleaning overlay film filter core, can avoid again adopting the control apparatus that volume is large, cost is high, and filtration system that is poisonous, inflammable liquid medium can be applicable to.
Accompanying drawing explanation
Figure of description is structural drawing and the schematic diagram of the outer flushing valve of overlay film filter core.Wherein Fig. 1 is the axonometric drawing of the outer flushing valve of overlay film filter core.Fig. 2 is the isometric cutaway view of the outer flushing valve of overlay film filter core, and the outer flushing valve of overlay film filter core is in closed condition.Fig. 3 is the isometric cutaway view of the outer flushing valve of overlay film filter core, and the outer flushing valve of overlay film filter core is in opening state, shows liquid medium circulation path in figure.Fig. 4 is the isometric cutaway view of the outer flushing valve of overlay film filter core, and the outer flushing valve of overlay film filter core is in outer cleaning state, shows liquid medium circulation path and induced flow circulation path in figure.Fig. 5 is the axonometric drawing that the outer flushing valve of overlay film filter core and overlay film filter core assemble.Fig. 6 is the axonometric drawing of upper valve body.Fig. 7 is the isometric cutaway view of upper valve body.Fig. 8 is the axonometric drawing of middle valve body.Fig. 9 be middle valve body look up axonometric drawing.Figure 10 is the isometric cutaway view of middle valve body.Figure 11 is the axonometric drawing of lower valve body.Figure 12 is the isometric cutaway view of lower valve body.Figure 13 is the isometric cutaway view of spool one.Figure 14 is the isometric cutaway view of spool two.
Figure acceptance of the bid is marked with valve inlet 1, lower valve body 2, guide shell 3, flow deflecting cone 4, lower body cavity 5, lower valve body bead 6, spray-hole 7, middle valve body cavity of resorption 8, middle valve body 9, lower support frame 10, middle valve body epicoele 11, upper valve body 12, multiedge cylinder 13, upper valve body center hole 14, upper bracket hole 15, upper bracket 16, spring 1, spool 1, O-ring seals 1, spool 2 20, spring 2 21, O-ring seals 2 22, guide plate 23, to conflux hole 24, diversion cavity 25, connect internal thread 26, liquid medium 27, induced flow 28, cannelure 29, overlay film filter core 30, internal thread 1, upper valve body inner chamber 32, outside thread 1, internal thread 2 34, o-ring groove 1, outside thread 2 36, valve seat through-hole 37, spring intracavity 38, o-ring groove 2 39, spring groove 40, sealing surface of seat 41, valve seat boss 42, outside thread 3 43, spool groove 44, spool boss 45, upper valve body bead 46, middle valve body bead 47.
Embodiment
Below in conjunction with accompanying drawing, further describing is done to the present invention.
See figures.1.and.2, the outer flushing valve of overlay film filter core forms primarily of lower valve body 2, middle valve body 9, upper valve body 12, spool 1, spool 2 20, spring 1, spring 2 21, O-ring seals 1, O-ring seals 2 22.The outer flushing valve of overlay film filter core is fitted together by lower valve body 2, middle valve body 9, upper valve body 12 from bottom to up respectively, valve body cavity of resorption 8 and middle valve body epicoele 11 in being formed inside middle valve body 9, spool 2 20 and spring 2 21 are arranged on middle valve body cavity of resorption 8, and spool 1 and spring 1 are arranged on middle valve body epicoele 11.
With reference to Fig. 6 and Fig. 7, upper valve body 12 is in the semiclosed cylindrical shape that Open Side Down, there is outside thread 1 upper valve body 12 upper end, there is multiedge cylinder 13 outside thread 1 lower end, multiedge cylinder 13 lower end is upper valve body bead 46, and be upper valve body inner chamber 32 inside upper valve body bead 46, upper valve body inner chamber 32 has internal thread 1, have the upper valve body center hole 14 of an axis in the middle of upper valve body 12 upper-end surface, upper valve body center hole 14 is connected with upper valve body inner chamber 32.
With reference to Fig. 8, Fig. 9 and Figure 10, middle valve body 9 is in the semiclosed cylindrical shape that Open Side Down, there is outside thread 2 36 middle valve body 9 upper end, there is middle valve body bead 47 outside thread 2 36 lower end, o-ring groove 1 between outside thread 2 36 and middle valve body bead 47, O-ring seals 1 is arranged in o-ring groove 1, middle valve body bead 47 outer surface has several cannelures 29, it is middle valve body cavity of resorption 8 inside middle valve body bead 47, middle valve body cavity of resorption 8 has internal thread 2 34, it is middle valve body epicoele 11 inside outside thread 2 36, middle valve body epicoele 11 upper end has a cross section to be cross or lambdoid upper bracket 16, gap between upper bracket 16 is upper bracket hole 15, there is the lower support frame 10 of a ring-shaped section and ring-shaped middle valve body epicoele 11 lower end, gap between lower support frame 10 is several valve seat through-holes 37, middle valve body epicoele 11 is connected by valve seat through-hole 37 with middle valve body cavity of resorption 8, upper bracket 16 and lower support frame 10 link together, spring intracavity 38 is had in the middle of lower support frame 10, middle valve body epicoele 11 is connected by spring intracavity 38 with middle valve body cavity of resorption 8, valve body epicoele 11 during upper bracket hole 15 and valve seat through-hole 37 form.
With reference to Figure 11 and Figure 12, lower valve body 2 is cylindrical, outside thread 3 43 is had in the middle of lower valve body 2, there is lower valve body bead 6 outside thread 3 43 lower end, o-ring groove 2 39 between outside thread 3 43 and lower valve body bead 6, O-ring seals 2 22 is arranged in o-ring groove 2 39, there are several axial spray-holes 7 lower valve body bead 6 lower end surface, there is a valve seat boss 42 lower valve body 2 upper end, there is a spring groove 40 valve seat boss 42 lower end, it is lower body cavity 5 inside valve seat boss 42, sealing surface of seat 41 inside valve seat boss 42 upper-end surface, lower valve body bead 6 lower end and flow deflecting cone 4 link together, flow deflecting cone 4 lower end inside has connection internal thread 26, the guide shell 3 that one annular is had outside flow deflecting cone 4, several guide plates 23 are guide shell 3, flow deflecting cone 4 and lower valve body bead 6 link together, annular space between guide shell 3 and flow deflecting cone 4 is diversion cavity 25, hole 24 of confluxing between guide shell 3 and lower valve body bead 6.
With reference to Figure 13 and Figure 14, spool 1 is in disc, and there is a spool groove 44 spool 1 upper end, and the lower end of spring 1 is arranged in spool groove 44.Spool 2 20 is in ring, and there is a spool boss 45 spool 2 20 lower end, and the upper end of spring 2 21 is arranged on outside spool boss 45.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, when the outer flushing valve of overlay film filter core is assembled, spring 1 is arranged in the spring intracavity 38 of middle valve body 9, spool 1 is arranged on spring 1 lower end, spring 2 21 is arranged in the spring groove 40 of lower valve body 2, spool 2 20 is arranged on spring 2 21 upper end, by outside thread 3 43 and internal thread 2 34, lower valve body 2 and middle valve body 9 is linked together, and is linked together by valve body 9 and upper valve body 12 in outside thread 2 36 and internal thread 1 handle.
In the outer flushing valve assembly process of overlay film filter core, by multiedge cylinder 13, cannelure 29, guide plate 23, upper valve body 12, middle valve body 9, lower valve body 2 are fixed on special fixture, complete the outer flushing valve assembling work of overlay film filter core.
After the outer flushing valve assembling of overlay film filter core, spool 1 is under the effect of liquid medium 27 pressure, and spool 1 is Compress Spring 1 upwards, and lifted off a seat sealing surface 41 certain distance in spool 1 lower end surface, the outer flushing valve of overlay film filter core is in opening state.Spool 1 loses the effect of liquid medium 27 pressure, and under the elastic force effect of spring 1, spool 1 moves down, and makes spool 1 lower end surface be fitted on sealing surface of seat 41, and the outer flushing valve of overlay film filter core is in closed condition.
Spool 2 20 is under the effect of liquid medium 27 pressure, spool 2 20 is Compress Spring 2 21 downwards, make spool 2 20 upper-end surface leave lower support frame 10 lower end surface certain distance, spool 2 20 can not seal valve seat through hole 37, and the outer flushing valve of overlay film filter core is in outer cleaning state.Spool 2 20 loses the effect of liquid medium 27 pressure, and under the elastic force effect of spring 2 21, spool 2 20 moves up, and makes spool 2 20 upper-end surface be fitted on lower support frame 10 lower end surface, and the outer flushing valve of overlay film filter core is in closed condition.
As filtration and the cleaning control valve of overlay film filter core 30, the outer flushing valve of overlay film filter core is when applying, overlay film filter core 30 is arranged in the connection internal thread 26 of the lower valve body 2 of the outer flushing valve of overlay film filter core, and the outer flushing valve of overlay film filter core is arranged in filter by the outside thread 1 of upper valve body 12.
The overlay film filter core 30 filtration stage process being provided with the outer flushing valve of overlay film filter core is:
In filtration stage, liquid medium 27 enters in filter tank body, liquid medium 27 enters the inner chamber of overlay film filter core 30 again through the micropore of overlay film filter core 30, liquid medium 27 enters in the outer flushing valve of overlay film filter core by valve inlet 1, liquid medium 27 is through lower body cavity 5, spool 1 is under the effect of liquid medium 27 pressure, liquid medium 27 promotes spool 1 lower end surface, spool 1 is Compress Spring 1 upwards, lifted off a seat sealing surface 41 certain distance in spool 1 lower end surface, the outer flushing valve of overlay film filter core is in opening state, during liquid medium 27 passes through, valve body epicoele 11 is entered the drain pipe of filter by upper valve body center hole 14, liquid medium 27 is from drain pipe discharge filter tank body.The outer surface that impurity particle in liquid medium 27 is then intercepted at overlay film filter core 30 forms filter cake.
After filtration stage terminates, liquid medium 27 stops entering in filter tank body, spool 1 loses the effect of liquid medium 27 pressure, under the elastic force effect of spring 1, spool 1 moves down, make spool 1 lower end surface be fitted on sealing surface of seat 41, the outer flushing valve of overlay film filter core is in closed condition.
The outer wash phase process of overlay film filter core 30 being provided with the outer flushing valve of overlay film filter core is:
Outside in wash phase, the high-pressure liquid medium 27 of water pump conveying to enter overlay film filter core in flushing valve from the drain pipe of filter, liquid medium 27 enters in middle valve body epicoele 11 by upper valve body center hole 14, spool 2 20 is under the effect of liquid medium 27 pressure, liquid medium 27 promotes spool 2 20 upper-end surface, spool 2 20 is Compress Spring 2 21 downwards, spool 2 20 upper-end surface is made to leave lower support frame 10 lower end surface certain distance, spool 2 20 can not seal valve seat through hole 37, the outer flushing valve of overlay film filter core is in outer cleaning state, liquid medium 27 by spray-hole 7 to atomizing of liquids medium 27 liquid stream in the filter tank body outside flushing valve outside overlay film filter core, liquid medium 27 liquid stream is through diversion cavity 25, the flow velocity of liquid medium 27 liquid stream in diversion cavity 25 is very fast, make the pressure in diversion cavity 25 lower than the pressure of guide shell 3 outer periphery, the liquid medium 27 of guide shell 3 outer periphery forms induced flow 28, induced flow 28 enters diversion cavity 25 from hole 24 of confluxing, the high-pressure liquid medium 27 that water pump is carried in the outer flushing valve of overlay film filter core and induced flow 28 guide to the outer surface of overlay film filter core 30, the filter cake formed by impurity particle being attached to overlay film filter core 30 outer surface is rinsed well.
After wash phase terminates outside, liquid medium 27 stops entering in the outer flushing valve of overlay film filter core, spool 2 20 loses the effect of liquid medium 27 pressure, under the elastic force effect of spring 2 21, spool 2 20 moves up, make spool 2 20 upper-end surface be fitted on lower support frame 10 lower end surface, the outer flushing valve of overlay film filter core is in closed condition.
The technological scheme of the outer flushing valve of overlay film filter core is installed in overlay film filter core 30 upper end, abandon traditional overlay film filter core 30 reverse cleaning principle, adopt the parallel outer Cleaning principle of overlay film filter core 30, the hidden danger that polytetrafluoroethylmicroporous microporous membrane comes off from base material surfaces such as terylene needled felts can be made when having stopped overlay film filter core 30 reverse cleaning, this technological scheme can safety cleaning overlay film filter core 30, can avoid again adopting the control apparatus that volume is large, cost is high, and filtration system that is poisonous, inflammable liquid medium can be applicable to.
Claims (2)
1. the outer flushing valve of overlay film filter core, is characterized in that the outer flushing valve of overlay film filter core forms primarily of lower valve body (2), middle valve body (9), upper valve body (12), spool one (18), spool two (20), spring one (17), spring two (21), O-ring seals one (19), O-ring seals two (22); The outer flushing valve of overlay film filter core is fitted together by lower valve body (2), middle valve body (9), upper valve body (12) from bottom to up respectively, valve body cavity of resorption (8) and middle valve body epicoele (11) in middle valve body (9) inner side is formed, spool two (20) and spring two (21) are arranged on middle valve body cavity of resorption (8), and spool one (18) and spring one (17) are arranged on middle valve body epicoele (11);
Upper valve body (12) is in the semiclosed cylindrical shape that Open Side Down, there is outside thread one (33) upper valve body (12) upper end, there is multiedge cylinder (13) outside thread one (33) lower end, multiedge cylinder (13) lower end is upper valve body bead (46), upper valve body bead (46) inner side is upper valve body inner chamber (32), upper valve body inner chamber (32) has internal thread one (31), have the upper valve body center hole (14) of an axis in the middle of upper valve body (12) upper-end surface, upper valve body center hole (14) is connected with upper valve body inner chamber (32);
Middle valve body (9) is in the semiclosed cylindrical shape that Open Side Down, there is outside thread two (36) middle valve body (9) upper end, there is middle valve body bead (47) outside thread two (36) lower end, it is o-ring groove one (35) between outside thread two (36) and middle valve body bead (47), O-ring seals one (19) is arranged in o-ring groove one (35), middle valve body bead (47) outer surface has several cannelures (29), middle valve body bead (47) inner side is middle valve body cavity of resorption (8), middle valve body cavity of resorption (8) has internal thread two (34), outside thread two (36) inner side is middle valve body epicoele (11), middle valve body epicoele (11) upper end has a cross section to be cross or lambdoid upper bracket (16), gap between upper bracket (16) is upper bracket hole (15), there is the lower support frame (10) of a ring-shaped section and ring-shaped middle valve body epicoele (11) lower end, gap between lower support frame (10) is several valve seat through-holes (37), middle valve body epicoele (11) is connected by valve seat through-hole (37) with middle valve body cavity of resorption (8), upper bracket (16) and lower support frame (10) link together, spring intracavity (38) is had in the middle of lower support frame (10), middle valve body epicoele (11) is connected by spring intracavity (38) with middle valve body cavity of resorption (8), valve body epicoele (11) during upper bracket hole (15) and valve seat through-hole (37) form,
Lower valve body (2) is cylindrical, outside thread three (43) is had in the middle of lower valve body (2), there is lower valve body bead (6) outside thread three (43) lower end, it is o-ring groove two (39) between outside thread three (43) and lower valve body bead (6), O-ring seals two (22) is arranged in o-ring groove two (39), there are several axial spray-holes (7) lower valve body bead (6) lower end surface, there is a valve seat boss (42) lower valve body (2) upper end, there is a spring groove (40) valve seat boss (42) lower end, valve seat boss (42) inner side is lower body cavity (5), sealing surface of seat (41) inside valve seat boss (42) upper-end surface, lower valve body bead (6) lower end and flow deflecting cone (4) link together, flow deflecting cone (4) lower end inside has connection internal thread (26), there is an annular guide shell (3) in flow deflecting cone (4) outside, several guide plates (23) are guide shell (3), flow deflecting cone (4) and lower valve body bead (6) link together, annular space between guide shell (3) and flow deflecting cone (4) is diversion cavity (25), it is hole (24) of confluxing between guide shell (3) and lower valve body bead (6),
Spool one (18) is in disc, and there is a spool groove (44) spool one (18) upper end, and the lower end of spring one (17) is arranged in spool groove (44); Spool two (20) is in ring, and there is a spool boss (45) spool two (20) lower end, and the upper end of spring two (21) is arranged on spool boss (45) outside;
When the outer flushing valve of overlay film filter core is assembled, spring one (17) is arranged in the spring intracavity (38) of middle valve body (9), spool one (18) is arranged on spring one (17) lower end, spring two (21) is arranged in the spring groove (40) of lower valve body (2), spool two (20) is arranged on spring two (21) upper end, by outside thread three (43) and internal thread two (34), lower valve body (2) and middle valve body (9) are linked together, by outside thread two (36) and internal thread one (31), middle valve body (9) and upper valve body (12) are linked together.
2. the outer flushing valve of overlay film filter core according to claim 1, it is characterized in that the filtration as overlay film filter core (30) and cleaning control valve, the outer flushing valve of overlay film filter core is when applying, overlay film filter core (30) is arranged in the connection internal thread (26) of the lower valve body (2) of the outer flushing valve of overlay film filter core, and the outer flushing valve of overlay film filter core is arranged in filter by the outside thread one (33) of upper valve body (12);
Overlay film filter core (30) the filtration stage process being provided with the outer flushing valve of overlay film filter core is:
In filtration stage, liquid medium (27) enters in filter tank body, liquid medium (27) enters the inner chamber of overlay film filter core (30) again through the micropore of overlay film filter core (30), liquid medium (27) enters in the outer flushing valve of overlay film filter core by valve inlet (1), liquid medium (27) is through lower body cavity (5), spool one (18) is under the effect of liquid medium (27) pressure, liquid medium (27) promotes spool one (18) lower end surface, spool one (18) is Compress Spring one (17) upwards, lifted off a seat sealing surface (41) certain distance in spool one (18) lower end surface, the outer flushing valve of overlay film filter core is in opening state, during liquid medium (27) passes through, valve body epicoele (11) is entered the drain pipe of filter by upper valve body center hole (14), liquid medium (27) is from drain pipe discharge filter tank body, the outer surface that impurity particle in liquid medium (27) is then intercepted at overlay film filter core (30) forms filter cake,
After filtration stage terminates, liquid medium (27) stops entering in filter tank body, spool one (18) loses the effect of liquid medium (27) pressure, under the elastic force effect of spring one (17), spool one (18) moves down, make spool one (18) lower end surface be fitted on sealing surface of seat (41), the outer flushing valve of overlay film filter core is in closed condition;
The outer wash phase process of overlay film filter core (30) being provided with the outer flushing valve of overlay film filter core is:
Outside in wash phase, the high-pressure liquid medium (27) of water pump conveying to enter overlay film filter core in flushing valve from the drain pipe of filter, liquid medium (27) enters in middle valve body epicoele (11) by upper valve body center hole (14), spool two (20) is under the effect of liquid medium (27) pressure, liquid medium (27) promotes spool two (20) upper-end surface, the downward Compress Spring two (21) of spool two (20), spool two (20) upper-end surface is made to leave lower support frame (10) lower end surface certain distance, spool two (20) can not seal valve seat through hole (37), the outer flushing valve of overlay film filter core is in outer cleaning state, liquid medium (27) by spray-hole (7) to atomizing of liquids medium (27) liquid stream in the filter tank body outside flushing valve outside overlay film filter core, liquid medium (27) liquid stream is through diversion cavity (25), the flow velocity of liquid medium (27) liquid stream in diversion cavity (25) is very fast, make the pressure in diversion cavity (25) lower than the pressure of guide shell (3) outer periphery, the liquid medium (27) of guide shell (3) outer periphery forms induced flow (28), induced flow (28) enters diversion cavity (25) from hole of confluxing (24), the high-pressure liquid medium (27) that water pump is carried in the outer flushing valve of overlay film filter core and induced flow (28) guide to the outer surface of overlay film filter core (30), the filter cake formed by impurity particle being attached to overlay film filter core (30) outer surface is rinsed well,
After wash phase terminates outside, liquid medium (27) stops entering in the outer flushing valve of overlay film filter core, spool two (20) loses the effect of liquid medium (27) pressure, under the elastic force effect of spring two (21), spool two (20) moves up, make spool two (20) upper-end surface be fitted on lower support frame (10) lower end surface, the outer flushing valve of overlay film filter core is in closed condition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510132366.9A CN104747737B (en) | 2015-03-25 | 2015-03-25 | Film-covered filter element outer flushing valve |
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| CN201510132366.9A CN104747737B (en) | 2015-03-25 | 2015-03-25 | Film-covered filter element outer flushing valve |
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| CN104747737B CN104747737B (en) | 2017-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432549A (en) * | 2018-12-17 | 2019-03-08 | 山东威高集团医用高分子制品股份有限公司 | Filtering exudate syringe |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201074688Y (en) * | 2007-08-08 | 2008-06-18 | 刘传均 | Multi-outlet control valve for recoil type water quality purifying device |
| CN201366270Y (en) * | 2009-02-05 | 2009-12-23 | 汤庆华 | Convenient type rotary external cleaning filtering device |
| CN101975284A (en) * | 2010-09-21 | 2011-02-16 | 浙江沁园水处理科技股份有限公司 | Positive and negative control valve |
| CN102042427A (en) * | 2009-10-22 | 2011-05-04 | 梁华羽 | Backflushing valve |
| CN102410385A (en) * | 2011-08-08 | 2012-04-11 | 温岭市润通电器有限公司 | Automatic blowdown control valve |
| WO2012046240A2 (en) * | 2010-10-07 | 2012-04-12 | Amiad Water Systems Ltd. | Fluid filtering unit and system |
| CN203836281U (en) * | 2013-11-28 | 2014-09-17 | 余姚市亚东塑业有限公司 | Flow controller and valve |
-
2015
- 2015-03-25 CN CN201510132366.9A patent/CN104747737B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201074688Y (en) * | 2007-08-08 | 2008-06-18 | 刘传均 | Multi-outlet control valve for recoil type water quality purifying device |
| CN201366270Y (en) * | 2009-02-05 | 2009-12-23 | 汤庆华 | Convenient type rotary external cleaning filtering device |
| CN102042427A (en) * | 2009-10-22 | 2011-05-04 | 梁华羽 | Backflushing valve |
| CN101975284A (en) * | 2010-09-21 | 2011-02-16 | 浙江沁园水处理科技股份有限公司 | Positive and negative control valve |
| WO2012046240A2 (en) * | 2010-10-07 | 2012-04-12 | Amiad Water Systems Ltd. | Fluid filtering unit and system |
| CN102410385A (en) * | 2011-08-08 | 2012-04-11 | 温岭市润通电器有限公司 | Automatic blowdown control valve |
| CN203836281U (en) * | 2013-11-28 | 2014-09-17 | 余姚市亚东塑业有限公司 | Flow controller and valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432549A (en) * | 2018-12-17 | 2019-03-08 | 山东威高集团医用高分子制品股份有限公司 | Filtering exudate syringe |
| CN109432549B (en) * | 2018-12-17 | 2023-12-29 | 山东威高集团医用高分子制品股份有限公司 | Liquid outlet filtering injector |
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| CN104747737B (en) | 2017-01-11 |
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