CN103861345B - A kind of pipeline type filter - Google Patents
A kind of pipeline type filter Download PDFInfo
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- CN103861345B CN103861345B CN201410119932.8A CN201410119932A CN103861345B CN 103861345 B CN103861345 B CN 103861345B CN 201410119932 A CN201410119932 A CN 201410119932A CN 103861345 B CN103861345 B CN 103861345B
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Abstract
The invention discloses a kind of pipeline type filter, comprise valve body and element kit, described valve body comprises feed liquor valve body and fluid valve body, described element kit one end is connected with feed liquor valve body, the other end is connected with fluid valve body, is provided with the medium channel circulated for medium in feed liquor valve body and fluid valve body.Pipeline type filter of the present invention, valve body is divided into feed liquor valve body and fluid valve body two parts, the two ends of element kit are directly connected with feed liquor valve body and fluid valve body, no longer be placed in valve inner, valve volume is without the need to very large, thus reduce overall volume and the weight of filter, also simplify structure.
Description
Technical field
The invention belongs to filter technology field, specifically, the present invention relates to a kind of pipeline type filter.
Background technology
Underground coal mine fully-mechanized coalface requires day by day to increase to the serviceability of coal seam comprehensive mechanical coal mining equipment and functional reliability, the pressure liquid of the hydraulic systems such as the hydraulic support of underground coal mine coal-face needs to carry out prefilter through backwash filter, stop dirt impurity to enter the hydraulic systems such as support, improve the service life of each hydraulic test further.
Publication number be CN202579471U patent document discloses a kind of backwash filter for hydraulic bracket, this filter comprises valve body and is built in the element kit in valve body, in order to hold the parts such as element kit, need the volume of valve body larger, thus also just cause that filter overall volume is large, Heavy Weight, filter complicated integral structure, and the monoblock type valve body of large volume, when machine tooling, the lathe radius of gyration is large, is not easy to processing.
Summary of the invention
The invention provides a kind of pipeline type filter, object simplifies structure, reduction volume and weight.
To achieve these goals, the technical scheme that the present invention takes is: a kind of pipeline type filter, comprise valve body and element kit, described valve body comprises feed liquor valve body and fluid valve body, described element kit one end is connected with feed liquor valve body, the other end is connected with fluid valve body, is provided with the medium channel circulated for medium in feed liquor valve body and fluid valve body.
Described element kit is provided with two that parallel, and described feed liquor valve body and fluid valve body lay respectively at one end of two element kits.
Described feed liquor valve body is provided with feed liquor cylindrical shell, and the end of feed liquor cylindrical shell is provided with flange, is provided with the inlet opening be communicated with the medium channel in feed liquor valve body in feed liquor cylindrical shell.
Described fluid valve body is provided with fluid cylindrical shell, and the end of fluid cylindrical shell is provided with flange, is provided with the fluid hole be communicated with the medium channel in fluid valve body in fluid cylindrical shell.
Described fluid valve body is provided with fluid cylindrical shell, fluid cylindrical shell is arranged with the flexible body that position is adjustable, and the end of flexible body is provided with flange, is provided with the fluid hole be communicated with the medium channel in fluid valve body in fluid cylindrical shell.
Described flexible body is provided with holding screw, and holding screw is fixing through embedding in the chute that the outer surface of described fluid cylindrical shell extends along its length after the screwed hole that flexible body is arranged.
Be provided with the right angle ball valve for opening and closing liquid outlet in the medium channel of described feed liquor valve body, liquid feed valve is external is provided with hand handle, and hand is connected with right angle ball valve by the rotating shaft of inserting in feed liquor valve body.
The medium channel of described feed liquor valve body runs through setting along liquid feed valve body length direction, is provided with joint at the two ends of feed liquor valve body.
The medium channel of described fluid valve body extends along liquid valve body length direction and at one end forms opening, and this opening of fluid valve body is provided with screw plug.
Described element kit cleans element kit for counter.
Pipeline type filter of the present invention, valve body is divided into feed liquor valve body and fluid valve body two parts, the two ends of element kit are directly connected with feed liquor valve body and fluid valve body, no longer be placed in valve inner, valve volume is without the need to very large, thus reduce overall volume and the weight of filter, also simplify structure.
Accompanying drawing explanation
This description comprises the following drawings, shown content respectively:
Fig. 1 is the half sectional view of filter of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 a is the sectional view of element kit;
Fig. 3 b is the anti-sectional view cleaning filter core;
Fig. 3 c is the sectional view of spacing swivel nut;
Fig. 3 d is the sectional view of gland nut;
Fig. 4 is the sectional view of feed liquor valve body;
Fig. 5 is the sectional view of fluid valve body;
Fig. 6 is the sectional view of feed liquor cylindrical shell;
Fig. 7 is the sectional view of fluid cylindrical shell;
Fig. 8 is the sectional view of flexible body;
Fig. 9 is the sectional view of gland;
Be labeled as in figure:
1, adpting flange; 2, flexible body; 21, telescopic; 22, telescopic flange; 3, holding screw; 4, fluid cylindrical shell; 41, drain pipe; 42, valve flange; 43, chute; 5, screw plug; 6, fluid valve body; 7, gland; 8, liquid cover is crossed; 9, element kit; 91, outer cylinder body; 92, anti-filter core is cleaned; 93, spacing swivel nut; 94, gland nut; 95, filter screen; 96, end cap; 97, base; 10, hand handle; 11, rotating shaft; 12, valve seat; 13, right angle ball valve; 14, joint; 15, feed liquor valve body; 16, feed liquor cylindrical shell; 161, feed tube; 162, valve flange; 163, liquid feeding end flange; 17, valve holder.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, be described in further detail the specific embodiment of the present invention, object helps those skilled in the art to have more complete, accurate and deep understanding to design of the present invention, technical scheme, and contribute to its enforcement.
As shown in Figures 1 to 9, a kind of pipeline type filter of the present invention, comprise valve body and element kit 9, valve body comprises feed liquor valve body 15 and fluid valve body 6, element kit 9 one end is connected with feed liquor valve body 15, the other end is connected with fluid valve body 6, the inside of feed liquor valve body 15 and fluid valve body 6 is provided with the medium channel for medium circulation, feed liquor valve body 15 with fluid valve body 6 is also provided with the inlet and liquid outlet that are communicated with medium channel, element kit 9 is communicated with the inlet of fluid valve body 6 with the liquid outlet of feed liquor valve body 15, medium flows into element kit 9 from the inlet of feed liquor valve body 15 and filters after medium channel, medium after filtration flows out from the liquid outlet of fluid valve body 6.Valve body is divided into feed liquor valve body 15 and fluid valve body 6 two parts by this filter, the two ends of element kit 9 are directly connected with feed liquor valve body 15 and fluid valve body 6, compare backwash filter of the prior art, element kit 9 is no longer placed in valve inner, therefore valve volume is without the need to very large, thus reduce overall volume and the weight of filter, also simplify structure, be also convenient to the processing of valve body.
Specifically, as backwash filter, the element kit 9 of this filter is provided with two that parallel, feed liquor valve body 15 and fluid valve body 6 respectively arrange one, feed liquor valve body 15 and fluid valve body 6 lay respectively at one end of two element kits 9, and accordingly, feed liquor valve body 15 is provided with two liquid outlets, fluid valve body 6 is provided with two inlets, is communicated with respectively with two element kits 9.
Element kit 9 is anti-cleaning element kit 9, it comprises outer cylinder body 91, anti-cleaning filter core 92, spacing swivel nut 93 and gland nut 94, outer cylinder body 91 is the round tube shape structure of both ends open, inner hollow, it is inner that anti-cleaning filter core 92 is located at outer cylinder body 91, spacing swivel nut 93 and gland nut 94 insert clamping anti-cleaning filter core 92 respectively at the two ends of outer cylinder body 91, spacing swivel nut 93 and gland nut 94 are with outer cylinder body 91 and are threaded, install, dismounting all very convenient.Anti-cleaning filter core 92 comprises filter screen 95, end cap 96 and base 97, filter screen 95 adopts stainless steel to make, end cap 96 and base 97 insert in filter screen 95 at the two ends of filter screen 95 respectively and are fixedly connected with filter screen 95, form an entirety, the center of end cap 96 and base 97 is equipped with the through hole allowing medium pass through.In outer cylinder body 91, gland nut 94 is pressed on base 97, and end cap 96 is against on spacing swivel nut 93, thus makes the anti-filter core 92 that cleans be fixed in outer cylinder body 91, final formation element kit 9, the center of spacing swivel nut 93 and gland nut 94 is also provided with the through hole allowing medium pass through.
The structure of feed liquor valve body 15 as shown in Figure 4, its shape is cuboid, inlet and liquid outlet are opened in the relative both sides of feed liquor valve body 15 respectively, inner medium channel runs through setting along feed liquor valve body 15 length direction, thus form opening at the two ends of feed liquor valve body 15, each insertion joint 14 in the both ends open of feed liquor valve body 15, for connecting delivery pipe, re-uses after sedimentation and filtration to exterior liquid or after reclaiming.
Identical with backwash filter, as shown in the figure, the right angle ball valve 13 for each liquid outlet of opening and closing is provided with in the medium channel of feed liquor valve body 15, hand is provided with 10 outside feed liquor valve body 15, hand is connected with right angle ball valve 13 by the rotating shaft 11 of inserting in feed liquor valve body 15 10, rotating shaft 11 is supported on feed liquor valve body 15, and its one end is fixedly connected with right angle ball valve 13, and the other end is fixedly connected with 10 with hand.Right angle ball valve 13, hand are identical with element kit 9 number with the number of rotating shaft 11 10, be two, the position of right angle ball valve 13 is just to liquid outlet, the centre of sphere of right angle ball valve 13 is positioned on the axis of liquid outlet, and the position of installing right angle ball valve 13 in feed liquor valve body 15 is also respectively provided with a valve seat 12 and valve holder 17.Right angle ball valve 13 is provided with right angle channel, by the hand outside rotation feed liquor valve body 15 10, right angle ball valve 13 is made to turn over respective angles, the medium channel of feed liquor valve body 15 can be made to be communicated with liquid outlet, be connected state as shown in the figure, the medium after filtration can flow out from the liquid outlet of fluid valve body 6.When state as shown in the figure, after the hand on right side is rotated counterclockwise 90 degree 10, the liquid outlet of this side can be made to close, after 10 dextrorotations being turn 90 degrees the hand in left side again, the liquid outlet of this side can be made to close, and now filter will be in cut out cut-off state.After 10 dextrorotations being turn 90 degrees the hand on right side, the liquid outlet of this side can be made to be communicated with the joint 14 of feed liquor valve body 15 end, with to exterior liquid, the hand in left side carries out discharge opeing 10 for being rotated counterclockwise 90 degree.As the liquid outlet of certain side is opened, medium not only can be made to circulate in filter and to filter, recoil cleaning can also be carried out to the element kit 9 of opposite side simultaneously.
The structure of fluid valve body 6 as shown in Figure 5, its shape is cuboid, inlet and liquid outlet are opened in the relative both sides of fluid valve body 6 respectively, the medium channel of fluid valve body 6 extends along fluid valve body 6 length direction and at one end forms opening, this opening of fluid valve body 6 is also provided with screw plug 5, for shutoff medium channel.
The two ends of each element kit 9 are fixedly connected with fluid valve body 6 with feed liquor valve body 15 by gland 7 with the inlet place of fluid valve body 6 at the liquid outlet of feed liquor valve body 15 respectively, the structure of gland 7 as shown in Figure 9, its global shape is square, and be provided with a cross section in center be the through hole of convex shape, thus a step surface is formed in inside, gland 7 is also respectively provided with an installing hole for inserting bolt at four angles place.As shown in Figure 3 a, the end outer surface that gland nut 94 is set of outer cylinder body 91 has a flange, thus on the outer surface of end position, also form a step surface, the equal diameters of the diameter of this flange and the large footpath section of gland 7 inner via hole, the equal diameters of the diameter of outer cylinder body 91 and the path section of gland 7 inner via hole, when mounted, the gland 7 of this end is enclosed within outer cylinder body 91, the end face of outer cylinder body 91 is aimed at liquid outlet towards the side of feed liquor valve body 15, mobile gland 7 makes the step surface of the step surface in gland 7 and outer cylinder body 91 end fit, then inserting bolt on gland 7, tight a bolt, bolt is screwed in the screwed hole of feed liquor valve body 15 side setting, the installation finally completing element kit 9 one end and feed liquor valve body 15 is fixed.Element kit 9 other end adopts similar mounting structure to be connected with fluid valve body 6, as shown in Figure 3 c, the end be positioned at outside outer cylinder body 91 of spacing swivel nut 93 is provided with a flange, the diameter of this flange is larger than the diameter of outer cylinder body 91, and the equal diameters of large footpath section with gland 7 inner via hole, thus in the end outer surface of spacing swivel nut 93, also form a step surface, when mounted, the gland 7 of this end is enclosed within outer cylinder body 91, the end face of spacing swivel nut 93 is aimed at inlet towards the side of fluid valve body 6, mobile gland 7 makes the step surface of the step surface in gland 7 and spacing swivel nut 93 end fit, then inserting bolt on gland 7, tight a bolt, bolt is screwed in the screwed hole of fluid valve body 6 side setting, the installation finally completing element kit 9 other end and fluid valve body 6 is fixed.
As shown in Figure 1, in the liquid outlet of feed liquor valve body 15 and the inlet of fluid valve body 6, liquid cover 8 is crossed in each embedding one, cross liquid cover 8 for round tubular structure, the medium flowed out from the liquid outlet of feed liquor valve body 15 enters element kit 9 through liquid cover 8, and the medium after element kit 9 filters enters in fluid valve body 6 through the liquid cover 8 of crossing of the other end.The center, end of spacing swivel nut 93 and gland nut 94 is provided with and allowed liquid overlap 8 stepped holes embedded, when installing element kit 9, the stepped hole of the spacing swivel nut 93 at element kit 9 two ends and gland nut 94 end was enclosed within liquid cover 8, position, guarantee that element kit 9 aims at the liquid outlet on feed liquor valve body 15 and the inlet on fluid valve body 6, then gland is installed.In addition, the position contacted with feed liquor valve body 15, fluid valve body 6, spacing swivel nut 93, gland nut 94 at the outer surface crossing liquid cover 8 of each position is provided with sealing ring, in case the medium of fluid stopping warp is revealed.
Element kit 9 is connected with feed liquor valve body 15 and fluid valve body 6 by above-mentioned mounting structure, and structure is simple, easily processes, installation, convenient disassembly.
As shown in Figure 4, the liquid outlet on feed liquor valve body 15 is for being arranged symmetrically with, and with the axis of inlet for line of symmetry, inlet is positioned at the middle position on feed liquor valve body 15 length direction.Feed liquor valve body 15 is also provided with a feed liquor cylindrical shell 16 in the position of inlet, the structure of feed liquor cylindrical shell 16 as shown in Figure 6, it comprises feed tube 161, valve flange 162 and liquid feeding end flange 163, feed tube 161 is round tube shape structure, valve flange 162 and liquid feeding end flange 163 are disc-shaped structure, valve flange 162 and liquid feeding end flange 163 distinguish welded and installed at the two ends of feed tube 161, and coaxial with feed tube 161.Valve flange 162, for being connected with feed liquor valve body 15, it being circumferentially evenly equipped with several installing holes for inserting bolt, being provided with screwed hole accordingly in the side of feed liquor valve body 15.Liquid feeding end flange 163, for being connected with the adpting flange 1 that the pipeline of external equipment is arranged, it is circumferentially evenly equipped with several installing holes for inserting bolt.The center of valve flange 162 and liquid feeding end flange 163 is provided with the through hole for medium circulation, through hole on liquid feeding end flange 163 and valve flange 162 and the centre bore of feed tube 161 form the inlet opening of feed liquor cylindrical shell 16 jointly, be communicated with the inlet of feed liquor valve body 15, thus the medium that the pipeline of external equipment is flowed out enters feed liquor valve body 15 by feed liquor cylindrical shell 16.
As shown in Figure 5, the inlet on fluid valve body 6 is for being arranged symmetrically with, and with the axis of liquid outlet for line of symmetry, liquid outlet is positioned at the middle position on fluid valve body 6 length direction.Fluid valve body 6 is also provided with a fluid cylindrical shell 4 in the position of liquid outlet, fluid cylindrical shell 4 is arranged with the flexible body 2 that position is adjustable.As shown in Figure 7, it comprises drain pipe 41 and valve flange 42 to the structure of fluid cylindrical shell 4, and drain pipe 41 is round tube shape structure, and valve flange 42 is disc-shaped structure, and valve flange 42 welded and installed is in one end of drain pipe 41, and coaxial with drain pipe 41.Valve flange 42, for being connected with fluid valve body 6, it being circumferentially evenly equipped with several installing holes for inserting bolt, being provided with screwed hole accordingly in the side of fluid valve body 6.As shown in Figure 8, it comprises telescopic 21 and telescopic flange 22 to the structure of flexible body 2, and telescopic 21 is round tube shape structure, for being set in drain pipe 41, telescopic flange 22 is disc-shaped structure, and telescopic flange 22 welded and installed is in one end of telescopic 21, and coaxial with telescopic 21.Telescopic flange 22, for being connected with the adpting flange 1 that the pipeline of external equipment is arranged, it is circumferentially evenly equipped with several installing holes for inserting bolt.The center of valve flange 42 and telescopic flange 22 is provided with the through hole for medium circulation, through hole on valve flange 42 and telescopic flange 22 and the centre bore of drain pipe 41 and telescopic 21 form the fluid hole of fluid cylindrical shell 4 jointly, be communicated with the liquid outlet of fluid valve body 6, thus the medium that fluid valve body 6 is flowed out enters the pipeline of external equipment by fluid cylindrical shell 4.
Telescopic 21 is enclosed within drain pipe 41, thus flexible body 2 axially can move along drain pipe 41, to regulate the distance between fluid valve body 6, thus the distance between the pipeline of external device can be regulated, be convenient to be connected with the pipeline of external equipment, to improve adaptability, be conveniently connected with the installation of pipeline.After flexible body 2 completes the adjustment of position, also need fixed telescopic sleeve body 2, as shown in the figure, flexible body 2 is locked by holding screw 3, the sidewall of telescopic 21 is provided with the screwed hole radially run through, and the outer surface of drain pipe 41 is provided with the chute 43 extended along its length, and holding screw 3 is through fixing in the chute 43 embedded after the screwed hole that telescopic 21 is arranged on drain pipe 41, by tightening holding screw 3, flexible body 2 can be made to be fixed on fluid cylindrical shell 4.Chute 43 has guide effect, when needing the position regulating flexible body 2, unscrewing holding screw 3, making holding screw 3 still be embedded in chute 43, and when moving telescopic body 2, holding screw 3 is embedded in chute 43 all the time can guarantee that flexible body 2 is for rectilinear movement.In order to ensure fixing reliable, flexible body 2 is fastening by two holding screws 3, and accordingly, telescopic 21 is provided with two screwed holes, and drain pipe 41 is provided with between two chutes, 43, two screwed holes and two chutes 43 and is 180 degree, interval, is uniformly distributed.
The filter of said structure, the medium of its internal circulation can be water or fluid, or other liquid substance.This filter not only can be applied in coal mine fully-mechanized mining hydraulic support hydraulic circuit and use as backwash filter, other industry can also be applied to use as filter, therefore the structure of Flange joint is devised at two ends, the position of flange is also adjustable, applied widely, and structure is simple, easy for installation, good filtration effect, has manual backwashing function, can clean filter core at any time as required.
Below by reference to the accompanying drawings to invention has been exemplary description.Obviously, specific implementation of the present invention is not subject to the restrictions described above.As long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; Or without improvement, above-mentioned design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention.
Claims (7)
1. a pipeline type filter, comprise valve body and element kit, it is characterized in that: described valve body comprises feed liquor valve body and fluid valve body, described element kit one end is connected with feed liquor valve body, the other end is connected with fluid valve body, is provided with the medium channel circulated for medium in feed liquor valve body and fluid valve body;
Described feed liquor valve body is provided with feed liquor cylindrical shell, and the end of feed liquor cylindrical shell is provided with flange, is provided with the inlet opening be communicated with the medium channel in feed liquor valve body in feed liquor cylindrical shell;
Described fluid valve body is provided with fluid cylindrical shell, fluid cylindrical shell is arranged with the flexible body that position is adjustable, and the end of flexible body is provided with flange, is provided with the fluid hole be communicated with the medium channel in fluid valve body in fluid cylindrical shell;
Described element kit is provided with two that parallel, element kit comprises outer cylinder body, instead cleans filter core, spacing swivel nut and gland nut, outer cylinder body is the round tube shape structure of both ends open, inner hollow, and it is inner and between spacing swivel nut and gland nut that anti-cleaning filter core is located at outer cylinder body; Anti-cleaning filter core comprises filter screen, be arranged at the end cap of filter screen one end and be arranged at the base of the filter screen other end, is provided with the through hole allowing medium pass through, is also provided with the through hole allowing medium pass through in spacing swivel nut and gland nut in end cap and base.
2. pipeline type filter according to claim 1, is characterized in that: described element kit is provided with two that parallel, and described feed liquor valve body and fluid valve body lay respectively at one end of two element kits.
3. pipeline type filter according to claim 2, it is characterized in that: described flexible body is provided with holding screw, holding screw is fixing through embedding in the chute that the outer surface of described fluid cylindrical shell extends along its length after the screwed hole that flexible body is arranged.
4. the pipeline type filter according to Claims 2 or 3, it is characterized in that: in the medium channel of described feed liquor valve body, be provided with the right angle ball valve for opening and closing liquid outlet, liquid feed valve is external is provided with hand handle, and hand is connected with right angle ball valve by the rotating shaft of inserting in feed liquor valve body.
5. pipeline type filter according to claim 4, is characterized in that: the medium channel of described feed liquor valve body runs through setting along liquid feed valve body length direction, is provided with joint at the two ends of feed liquor valve body.
6. pipeline type filter according to claim 5, is characterized in that: the medium channel of described fluid valve body extends along liquid valve body length direction and at one end forms opening, and this opening of fluid valve body is provided with screw plug.
7. pipeline type filter according to claim 6, is characterized in that: described element kit cleans element kit for counter.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510373416.2A CN104922967B (en) | 2014-03-27 | 2014-03-27 | Pipeline type filter |
| CN201410119932.8A CN103861345B (en) | 2014-03-27 | 2014-03-27 | A kind of pipeline type filter |
| CN201510377708.3A CN104941299B (en) | 2014-03-27 | 2014-03-27 | Pipeline type filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410119932.8A CN103861345B (en) | 2014-03-27 | 2014-03-27 | A kind of pipeline type filter |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510373416.2A Division CN104922967B (en) | 2014-03-27 | 2014-03-27 | Pipeline type filter |
| CN201510377708.3A Division CN104941299B (en) | 2014-03-27 | 2014-03-27 | Pipeline type filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103861345A CN103861345A (en) | 2014-06-18 |
| CN103861345B true CN103861345B (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510377708.3A Active CN104941299B (en) | 2014-03-27 | 2014-03-27 | Pipeline type filter |
| CN201410119932.8A Active CN103861345B (en) | 2014-03-27 | 2014-03-27 | A kind of pipeline type filter |
| CN201510373416.2A Active CN104922967B (en) | 2014-03-27 | 2014-03-27 | Pipeline type filter |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510377708.3A Active CN104941299B (en) | 2014-03-27 | 2014-03-27 | Pipeline type filter |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510373416.2A Active CN104922967B (en) | 2014-03-27 | 2014-03-27 | Pipeline type filter |
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| CN (3) | CN104941299B (en) |
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| CN112049956A (en) * | 2020-09-03 | 2020-12-08 | 江苏亿阀股份有限公司 | Angle type duplex ball valve for nuclear submarine and use method thereof |
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- 2014-03-27 CN CN201510377708.3A patent/CN104941299B/en active Active
- 2014-03-27 CN CN201410119932.8A patent/CN103861345B/en active Active
- 2014-03-27 CN CN201510373416.2A patent/CN104922967B/en active Active
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| JPS6353424B2 (en) * | 1985-07-04 | 1988-10-24 | Asahi Organic Chem Ind | |
| DE4323893C1 (en) * | 1993-07-16 | 1994-10-20 | Epe Eppensteiner Gmbh & Co Fil | Filter head |
| CN2238245Y (en) * | 1995-07-14 | 1996-10-23 | 福州科达水处理技术开发有限公司 | Backwash regenerative filter material type drinking water purifier |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104922967B (en) | 2016-08-24 |
| CN103861345A (en) | 2014-06-18 |
| CN104922967A (en) | 2015-09-23 |
| CN104941299A (en) | 2015-09-30 |
| CN104941299B (en) | 2016-06-22 |
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Inventor after: Li Fuhong Inventor after: Gao Junqiang Inventor after: He Liang Inventor after: Tao Jian Inventor after: Zhu Shuqun Inventor after: Li Yong Inventor after: Li Ziang Inventor after: Xie Rui Inventor after: Lin Wenbin Inventor after: Tao Xing Inventor after: Chen Wei Inventor after: Xi Guangrong Inventor before: Li Fuhong Inventor before: Zhu Shuqun |
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