CN104826375B - Spraying preposed anti-blocking filter - Google Patents
Spraying preposed anti-blocking filter Download PDFInfo
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- CN104826375B CN104826375B CN201510196543.XA CN201510196543A CN104826375B CN 104826375 B CN104826375 B CN 104826375B CN 201510196543 A CN201510196543 A CN 201510196543A CN 104826375 B CN104826375 B CN 104826375B
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- decomposition
- housing
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- 238000005507 spraying Methods 0.000 title claims abstract description 18
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 59
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000010276 construction Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000008187 granular material Substances 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000010141 design making Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a spraying preposed anti-blocking filter, which comprises a shell, wherein a vertical first liquid inlet hole is formed in the upper part of the shell, a cylindrical decomposition cavity is formed in the lower part of the shell, a second liquid inlet hole is formed in the peripheral side wall of the decomposition cavity, one end of the second liquid inlet hole is communicated with the decomposition cavity, and the other end of the second liquid inlet hole is communicated with the first liquid inlet hole; a decomposition knife is fixed in the decomposition cavity, and the decomposition knife is a vertical triangular prism; the filter device is installed at the lower end of the decomposition cavity, the end cover is connected to the lower end of the shell, a liquid outlet hole is formed in the end cover, one end of the liquid outlet hole is communicated with the filter device, and the other end of the liquid outlet hole penetrates through the lower end face of the end cover. The structure utilizes the decomposition knife to decompose the particles entering the decomposition cavity, avoids the particles from accumulating to block the filter device, effectively prolongs the service life of the filter, ensures the normal operation of the back spraying, and has the characteristics of ingenious conception, simple structure, easy production, low production cost and the like.
Description
Technical field
The invention belongs to filter technology field, specifically, particularly to the one preposition anti-blockage filter of spraying.
Background technology
At present, spraying anti-blockage filter is widely used in the front end of the various atomizing de-dusting apparatus such as colliery, tunnel, ground, is mainly used in being filtered water quality blocking with preventing spray head, and it is the very a wide range of equipment of industrial application. Existing spraying anti-blockage filter is broadly divided into two kinds: a kind of electric filtering apparatus being to have automatic cleaning function, and this electric filtering apparatus is equipped with multiple sensors, and design is complicated, trouble point is many, maintenance cost is high for it; Another kind of equipped with large area filter screen, the cleaning frequency of filter is extended by bigger filter area, but this filter is not the anti-blocking of practical significance, and the cleaning frequency cannot be determined, once large area filter net jam could not clean in time, drainage screen will be broken through by press water and cause that filtering function lost efficacy.
Summary of the invention
The technical problem to be solved is in that to provide the preposition anti-blockage filter of spraying that a kind of simple in construction, long service life, zero dimension are protected.
Technical scheme is as follows: a kind of preposition anti-blockage filter of spraying, it is characterized in that: include housing, portion has the first vertical inlet opening on the housing, the upper surface of the through housing in upper end of this first inlet opening, the decomposition chamber of cylinder is had in lower housing portion, having the second inlet opening on all sidewalls in described decomposition chamber, one end of described second inlet opening is through with decomposition chamber, and the other end of the second inlet opening and the first inlet opening connect; Being fixed with decomposition cutter at described decomposition intracavity, described decomposition cutter is vertical triangular prism; Being provided with defecator in the lower end in described decomposition chamber, be connected to end cap in the lower end of housing, have liquid outlet in described end cap, described liquid outlet one end connects with defecator, the lower surface of the through end cap of the other end.
Adopt said structure, first inlet opening is set in housing and decomposes chamber, the all sidewalls decomposing chamber have connection the first inlet opening and decomposes second inlet opening in chamber, it is fixed with decomposition cutter decomposing intracavity, decomposing lower end, chamber, defecator is installed, the end cap with liquid outlet is connected in housing lower end, thus utilizing decomposition cutter to crush carrying out decomposing from the particulate matter decomposing chamber week sidewall entrance decomposition chamber, digestion, then together spray from shower nozzle through defecator with spray water, avoid particle packing blocking filtering device, the pressure reduction guaranteeing defecator two ends is zero, efficiently avoid defecator and breakage occurs under the extruding of spray water and granule, effectively extend the service life of filter, guarantee that the sprayer unit of filter front normally uses.
Described defecator includes to decompose the uncovered completely obscured one-level orifice plate in lower end, chamber, filter screen and second hole plate, described second hole plate is arranged near end cap, described filter screen is between one-level orifice plate and second hole plate, and the aperture of described one-level orifice plate and second hole plate is all big than the aperture of filter screen. The simple in construction of defecator, produces easily, easy for installation. Wherein one-level orifice plate and second hole plate are possible not only to play the effect supporting filter screen, and granule bigger, random motion can also be stopped by one-level orifice plate, it is to avoid filter screen is with sharp-pointed Pedicellus et Pericarpium Trapae larger particles to destroy, and extend the service life of filter screen further.
As preferably, described filter screen is the steel wire of 100 orders.
The aperture of described second hole plate is 0.5-0.8mm, and the aperture of the aperture ratio second hole plate of described one-level orifice plate is big. So arranging one-level orifice plate and the aperture of second hole plate, after filter screen is destroyed, second hole plate can replace filter screen and play the effect of filtration, it is ensured that filter sprayer unit below normally uses.
The described second rounded straight hole of inlet opening, the centrage of this second inlet opening is positioned in the plane perpendicular with decomposing chamber axial line, and the second inlet opening is L1 near the vertical join line decomposed between the one end in chamber and decomposition chamber axial line, second inlet opening away from decomposing the one end in chamber and the vertical join line decomposed between chamber axial line is L2, described L1, L2 and the second inlet opening centrage form a triangle; This second inlet opening is connected by the interface channel in housing and the first inlet opening away from the one end decomposing chamber. The so not only simple in construction of the second inlet opening, handling ease; And, the centrage of this second inlet opening is positioned in the plane perpendicular with decomposing chamber axial line, efficiently reduces the press water impact to defecator, is conducive to extending the service life of defecator; And, L1, L2 and the second inlet opening centrage composition triangle, the aperture making the second inlet opening is not arranged along the diametric(al) decomposing chamber, the oblique entrance of the spray water with pressure is made to decompose chamber, make granule and the collision decomposing cutter more abundant, improve the efficiency that granule is decomposed, avoid granule blocking filtering device, the pressure reduction guaranteeing defecator two ends is zero, efficiently avoid defecator and breakage occurs under the extruding of spray water and granule, further increase the service life of filter, it is ensured that the sprayer unit of filter front normally uses.
Described interface channel includes vertical section, traversing section and lower vertical section, described upper vertical section is vertically arranged, on this, the upper end of vertical section is through with the first inlet opening, the lower end of upper vertical section connects with one end of traversing section, described traversing section lateral arrangement, the other end of this traversing section connects with the upper end of lower vertical section, and described lower vertical section is vertically arranged, and the lower end of lower vertical section connects away from the one end decomposing chamber with the second inlet opening. The simple in construction of interface channel, handling ease, be conducive to controlling cost.
Described housing is made up of roundlet shell of column coaxial up and down and big cylindrical section, described first inlet opening is positioned at roundlet shell of column, described decomposition chamber is positioned at the middle part of big cylindrical section, the screw through with decomposing chamber is had in the lower end of described housing, the internal diameter of described screw is bigger than the internal diameter decomposing chamber, two annular table terraces are had between screw and decomposition chamber, described defecator is located close to decompose on the step surface in chamber, at the sealing gasket being pushed against annular on the step surface of screw by end cap, described first inlet opening, decomposition chamber and screw are all coaxially arranged with housing. Housing is so set, not only housing simple in construction, produce easily, and the mounting structure of defecator sum is simple. Moreover, the sealing gasket outer rim to defecator being set and seals, not only make the installation of defecator more consolidate but also desirably prevent press water and run leakage by the junction between end cap and housing, the design making filter is more perfect.
Described end cap is made up of enlarged diameter section coaxial up and down and reduced diameter section, has screw thread outside described enlarged diameter section, the screw threaded engagement of this enlarged diameter section and housing lower end, and described liquid outlet is coaxially arranged with end cap.The simple in construction of end cap, installation, convenient disassembly.
Described decomposition cutter upwardly extends and forms the cylindrical positioning section coaxial with decomposing cutter, described positioning section gear is below the end face decomposing chamber, the upper end of described positioning section upwardly extends the construction section forming screw shaped, the external diameter of this construction section is less than the external diameter of positioning section, and described construction section stretches into the top decomposing chamber and is screwed. So by positioning section and construction section, decomposition cutter being fixed on decomposition intracavity, the handling making decomposition cutter are simpler.
As preferably, described decomposition cutter has seven, and one of them is positioned at the axle center decomposing chamber, and other six decomposition cuttves are uniformly distributed along the axle center decomposing chamber.
Beneficial effect: the present invention arranges the first inlet opening in housing and decomposes chamber, have connection the first inlet opening at decomposition chamber week sidewall and decompose second inlet opening in chamber, decomposing, intracavity is fixing decomposes cutter, decomposing lower end, chamber, defecator is installed, the end cap with liquid outlet is connected in housing lower end, thus utilizing decomposition cutter to decompose decomposing intracavity particulate matter, digest, defecator is avoided to block, effectively extend the service life of filter, there is the features such as be skillfully constructed, simple in construction, production is easy and production cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the B-B sectional view of Fig. 3.
Fig. 5 is the C-C sectional view of Fig. 3.
Detailed description of the invention
Being described below in detail embodiments of the invention, described embodiment example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish. Describe embodiment below with reference to accompanying drawing to be illustrative of, it is intended to explain the present invention, and be not considered as limiting the invention.
In describing the invention, it should be noted that, for the noun of locality, if any term " " center ", " transverse direction ", " longitudinal direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", indicating positions such as " counterclockwise " and position relationship are based on orientation shown in the drawings or position relationship, it is for only for ease of the narration present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with particular orientation structure and operation, should not be construed as the concrete protection domain of the restriction present invention. additionally, if any term " first ", " second " only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating technical characteristic.
In the present invention, except as otherwise clear stipulaties and restriction, should go to understand as broad sense if any the term such as term " assembling ", " being connected ", " connection ", " fixing ", " connection ", such as, it can be fixing connection, it is also possible to be removably connect, or connect integratedly; Can also be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be by intermediary be connected, it is possible to be joined directly together logical, it is also possible to be indirectly connected to lead to. For those of ordinary skills, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
In invention, unless otherwise prescribed and limit, fisrt feature second feature it " on " or D score can include the first and second features and directly contact, it is also possible to include the first and second features and be not directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " under " and " above " include fisrt feature directly over second feature and oblique upper, or be only the height representing fisrt feature level height higher than second feature. Fisrt feature second feature " on ", " under " and " below " include fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height lower than second feature.
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is further described, make technical scheme and beneficial effect thereof clearly, clearly.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention includes housing 1, and described housing 1 is made up of the roundlet shell of column 1a and big cylindrical section 1b of one coaxial up and down. Have the first vertical inlet opening 11 on described housing 1 top, described first inlet opening 11 is positioned at roundlet shell of column 1a, the upper surface of the through housing 1 in upper end of this first inlet opening 11. Have the decomposition chamber 13 of cylinder in housing 1 bottom, described decomposition chamber 13 is positioned at the middle part of big cylindrical section 1b, has the second inlet opening 14 on all sidewalls in described decomposition chamber 13. One end of described second inlet opening 14 is through with decomposition chamber 13, and the other end and first inlet opening 11 of the second inlet opening 14 connect. The described second rounded straight hole of inlet opening 14, the centrage of this second inlet opening 14 is positioned in the plane perpendicular with decomposing chamber 13 axial line. And, second inlet opening 14 is L1 near the vertical join line decomposed between the one end in chamber 13 and decomposition chamber 13 axial line, second inlet opening 14 away from decomposing the one end in chamber 13 and the vertical join line decomposed between chamber 13 axial line is L2, described L1, L2 and the second inlet opening 14 centrage form a triangle. This second inlet opening 14 is connected with the first inlet opening 11 by the interface channel 12 in housing 1 away from the one end decomposing chamber 13, and described interface channel 12 includes vertical section 121, traversing section 122 and lower vertical section 123. Described upper vertical section 121 is vertically arranged, on this, the upper end of vertical section 121 is through with the lower aperture of the first inlet opening 11, the lower end of upper vertical section 121 connects with one end of traversing section 122, described traversing section 122 lateral arrangement, the other end of this traversing section 122 connects with the upper end of lower vertical section 123, described lower vertical section 123 is vertically arranged, and the lower end of lower vertical section 123 connects away from the one end decomposing chamber 13 with the second inlet opening 14.
As shown in Figure 2, Figure 3 and Figure 4, being fixed with decomposition cutter 3 in described decomposition chamber 13, described decomposition cutter 3 is in vertical triangular prism, thus utilizing the seamed edge of triangular prism as blade, granule to be crushed. The upper end of described decomposition cutter 3 upwardly extends and forms the cylindrical positioning section 31 coaxial with decomposing cutter 3, described positioning section 31 keeps off below the end face decomposing chamber 13, the upper end of described positioning section 31 upwardly extends the construction section 32 forming screw shaped, the external diameter of this construction section 32 is less than the external diameter of positioning section 31, and described construction section 32 stretches into the top decomposing chamber 13 and is screwed. The preferred described decomposition cutter 3 of the present embodiment has seven, and one of them is positioned at the axle center decomposing chamber 13, and other six decomposition cuttves 3 are uniformly distributed along the axle center decomposing chamber 13. In the lower end in described decomposition chamber 13, defecator is installed, described defecator includes to decompose the uncovered completely obscured one-level orifice plate 4 in lower end, chamber 13, filter screen 5 and second hole plate 6, described second hole plate 6 is arranged near end cap 2, described filter screen 5 is between one-level orifice plate 4 and second hole plate 6, and the aperture of described one-level orifice plate 4 and second hole plate 6 is all big than the aperture of filter screen 5.The aperture of described second hole plate 6 is 0.5-0.8mm, and the aperture of the aperture ratio second hole plate 6 of described one-level orifice plate 4 is big. The preferred described filter screen 5 of the present embodiment is the steel wire of 100 orders, and the aperture of described second hole plate 6 is 0.8mm.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, being connected to end cap 2 in the lower end of described housing 1, have liquid outlet 21 in described end cap 2, described liquid outlet 21 one end connects with defecator, the lower surface of the through end cap 2 of the other end. The screw through with decomposing chamber 13 is had in the lower end of described housing 1, the internal diameter of described screw is bigger than the internal diameter decomposing chamber 13, two annular table terraces are had between screw and decomposition chamber 13, described defecator is located close to decompose on the step surface in chamber 13, at the sealing gasket 7 being pushed against annular on the step surface of screw by end cap 2, described first inlet opening 11, decomposition chamber 13 and screw are all coaxially arranged with housing 1. Described end cap 2 is made up of enlarged diameter section 2a coaxial up and down and reduced diameter section 2b, screw thread is had outside described enlarged diameter section 2a, the screw threaded engagement of this enlarged diameter section 2a and housing 1 lower end, thus end cap 2 and housing 1 being linked together, described liquid outlet 21 is coaxially arranged with end cap 2.
Claims (10)
1. a preposition anti-blockage filter of spraying, it is characterized in that: include housing (1), vertical the first inlet opening (11) is had on described housing (1) top, the upper surface of the through housing in the upper end (1) of this first inlet opening (11), the decomposition chamber (13) of cylinder is had in housing (1) bottom, all sidewalls of described decomposition chamber (13) have the second inlet opening (14), one end of described second inlet opening (14) is through with decomposition chamber (13), the other end of the second inlet opening (14) and the first inlet opening (11) connection, being fixed with decomposition cutter (3) in described decomposition chamber (13), described decomposition cutter (3) is in vertical triangular prism, in the lower end of described decomposition chamber (13), defecator is installed, it is connected to end cap (2) in the lower end of housing (1), liquid outlet (21) is had in described end cap (2), described liquid outlet (21) one end connects with defecator, the lower surface of the through end cap of the other end (2).
2. the preposition anti-blockage filter of spraying according to claim 1, it is characterized in that: described defecator includes to decompose the uncovered completely obscured one-level orifice plate (4) in chamber (13) lower end, filter screen (5) and second hole plate (6), described second hole plate (6) is arranged near end cap (2), described filter screen (5) is positioned between one-level orifice plate (4) and second hole plate (6), and the aperture of described one-level orifice plate (4) and second hole plate (6) is all big than the aperture of filter screen (5).
3. the preposition anti-blockage filter of spraying according to claim 2, it is characterised in that: described filter screen (5) is the steel wire of 100 orders.
4. the preposition anti-blockage filter of spraying according to claim 3, it is characterised in that: the aperture of described second hole plate (6) is 0.5-0.8mm, and the aperture of aperture ratio second hole plate (6) of described one-level orifice plate (4) is big.
5. the preposition anti-blockage filter of spraying according to claim 1, it is characterized in that: the rounded straight hole of described second inlet opening (14), the centrage of this second inlet opening (14) is positioned in the plane perpendicular with decomposing chamber (13) axial line, and the second inlet opening (14) is L1 near the vertical join line decomposed between the one end in chamber (13) and decomposition chamber (13) axial line, second inlet opening (14) is L2 away from the vertical join line decomposed between the one end in chamber (13) and decomposition chamber (13) axial line, described L1, centrage one triangle of composition of L2 and the second inlet opening (14),This second inlet opening (14) is connected with the first inlet opening (11) by the interface channel (12) in housing (1) away from the one end decomposing chamber (13).
6. the preposition anti-blockage filter of spraying according to claim 5, it is characterized in that: described interface channel (12) includes vertical section (121), traversing section (122) and lower vertical section (123), described upper vertical section (121) is vertically arranged, on this, the upper end of vertical section (121) is through with the first inlet opening (11), the lower end of upper vertical section (121) connects with one end of traversing section (122), described traversing section (122) lateral arrangement, the other end of this traversing section (122) connects with the upper end of lower vertical section (123), described lower vertical section (123) is vertically arranged, the lower end of lower vertical section (123) connects away from the one end decomposing chamber (13) with the second inlet opening (14).
7. the preposition anti-blockage filter of spraying according to claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that: described housing (1) is made up of roundlet shell of column (1a) coaxial up and down and big cylindrical section (1b), described first inlet opening (11) is positioned at roundlet shell of column (1a), described decomposition chamber (13) is positioned at the middle part of big cylindrical section (1b), the screw through with decomposing chamber (13) is had in the lower end of described housing (1), the internal diameter of described screw is bigger than the internal diameter decomposing chamber (13), two annular table terraces are had between screw and decomposition chamber (13), described defecator is located close to decompose on the step surface in chamber (13), at the sealing gasket (7) being pushed against annular on the step surface of screw by end cap (2), described first inlet opening (11), decompose chamber (13) and screw is all coaxially arranged with housing (1).
8. the preposition anti-blockage filter of spraying according to claim 7, it is characterized in that: described end cap (2) is made up of enlarged diameter section (2a) coaxial up and down and reduced diameter section (2b), screw thread is had outside described enlarged diameter section (2a), the screw threaded engagement of this enlarged diameter section (2a) and housing (1) lower end, described liquid outlet (21) is coaxially arranged with end cap (2).
9. the preposition anti-blockage filter of spraying according to claim 8, it is characterized in that: described decomposition cutter (3) upwardly extends and forms the cylindrical positioning section (31) coaxial with decomposing cutter (3), described positioning section (31) gear is below the end face decomposing chamber (13), the upper end of described positioning section (31) upwardly extends the construction section (32) forming screw shaped, the external diameter of this construction section (32) is less than the external diameter of positioning section (31), and described construction section (32) is stretched into the top decomposing chamber (13) and is screwed.
10. the preposition anti-blockage filter of spraying according to claim 9, it is characterized in that: described decomposition cutter (3) has seven, one of them is positioned at the axle center decomposing chamber (13), and other six decomposition cuttves (3) are uniformly distributed along the axle center decomposing chamber (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196543.XA CN104826375B (en) | 2015-04-23 | 2015-04-23 | Spraying preposed anti-blocking filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196543.XA CN104826375B (en) | 2015-04-23 | 2015-04-23 | Spraying preposed anti-blocking filter |
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| Publication Number | Publication Date |
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| CN104826375A CN104826375A (en) | 2015-08-12 |
| CN104826375B true CN104826375B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510196543.XA Active CN104826375B (en) | 2015-04-23 | 2015-04-23 | Spraying preposed anti-blocking filter |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108050275B (en) * | 2017-12-13 | 2023-11-28 | 中煤科工集团重庆研究院有限公司 | Anti-blocking type hydraulic support spraying dust fall control valve |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2126672A1 (en) * | 1991-12-24 | 1993-07-08 | John D. Miller | Dynamic filter system |
| CN2278517Y (en) * | 1996-09-17 | 1998-04-15 | 庄河市绿洲化工厂 | Anti-blocking fluid filter |
| US7704396B2 (en) * | 2003-12-15 | 2010-04-27 | Filtran Llc | Coaxial full-flow and bypass oil filter with spring/gasket arrangement |
| WO2009028163A1 (en) * | 2007-08-30 | 2009-03-05 | Kyushu University, National University Corporation | Filter and method of filtration |
| CN101543692B (en) * | 2008-03-29 | 2011-08-31 | 浙江万强法兰有限公司 | Butterfly type anti-blockage filter |
| CN102671456A (en) * | 2012-05-09 | 2012-09-19 | 张晓荣 | Blocking-prevention seawater filter |
| CN102698496B (en) * | 2012-05-30 | 2016-03-30 | 苏州市金翔钛设备有限公司 | Anti-clogging filter |
| CN203425603U (en) * | 2013-08-20 | 2014-02-12 | 张晓荣 | Anti-blocking filter device |
| CN204625218U (en) * | 2015-04-23 | 2015-09-09 | 中煤科工集团重庆研究院有限公司 | anti-blocking filter |
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2015
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