CN104826375A - Spraying anti-blocking pre-filter - Google Patents
Spraying anti-blocking pre-filter Download PDFInfo
- Publication number
- CN104826375A CN104826375A CN201510196543.XA CN201510196543A CN104826375A CN 104826375 A CN104826375 A CN 104826375A CN 201510196543 A CN201510196543 A CN 201510196543A CN 104826375 A CN104826375 A CN 104826375A
- Authority
- CN
- China
- Prior art keywords
- chamber
- inlet opening
- filter
- decomposition
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a spraying anti-blocking pre-filter. The spraying anti-blocking pre-filter comprises a housing, the upper part of the housing is provided with a vertical first liquid inlet hole, the lower part of the housing is provided with a cylindrical decomposition chamber, the circumferential side wall of the decomposition chamber is provided with a second liquid inlet hole, one end of the second liquid inlet hole is communicated with the decomposition chamber, the other end of the second liquid inlet hole is communicated with the first liquid inlet hole, decomposition cutters are fixed into the decomposition chamber, the decomposition cutters are vertical triangular prisms, the lower end of the decomposition chamber is provided with a filtration device, the lower end of the housing is connected to an end cover, a liquid outlet hole is arranged in the end cover, one end of the liquid outlet hole is communicated with the filtration device and the other end of the liquid outlet hole is communicated with the lower end surface of the end cover. The decomposition cutters are used for decomposition of particles in the decomposition chamber, prevent particle accumulation obstruction of a filtration device, effectively prolong a filter service life and ensure follow-up spraying normal operation. The spraying anti-blocking pre-filter has an ingenious design and a simple structure, can be produced easily and has a low production cost.
Description
Technical field
The invention belongs to filter technology field, specifically, particularly one is sprayed preposition anti-blockage filter.
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 filtering with preventing spray head blocking to water quality, and it is the equipment of the very wide model of industrial application.Existing spraying anti-blockage filter is mainly divided into two kinds: a kind of is the electric filtering apparatus with automatic cleaning function, and this electric filtering apparatus is equipped with multiple sensor, and its design is complicated, trouble point is many, maintenance cost is high; Another kind is equipped with large area filter screen, the cleaning frequency of filter is extended by larger 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, screen pack will be broken through by press water and cause filtering function to lose efficacy.
Summary of the invention
Technical problem to be solved by this invention is to provide the preposition anti-blockage filter of spraying that a kind of structure is simple, long service life, zero dimension are protected.
Technical scheme of the present invention is as follows: the preposition anti-blockage filter of a kind of spraying, it is characterized in that: comprise 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, columniform decomposition chamber is had in lower housing portion, all sidewalls in described decomposition chamber have the second inlet opening, and one end of described second inlet opening is through with decomposition chamber, and the other end of the second inlet opening is communicated with the first inlet opening; In described decomposition chamber, internal fixtion has decomposition cutter, and described decomposition cutter is vertical triangular prism; Be provided with filter in the lower end in described decomposition chamber, be connected with end cap in the lower end of housing, in described end cap, have fluid hole, described fluid hole one end is communicated with filter, the lower surface of the through end cap of the other end.
Adopt said structure, first inlet opening Sum decomposition chamber is set in housing, the all sidewalls decomposing chamber have second inlet opening in connection first inlet opening Sum decomposition chamber, in decomposition chamber, internal fixtion has decomposition cutter, in decomposition lower end, chamber, filter is installed, the end cap with fluid hole is connected in housing lower end, thus it is broken to utilize decomposition cutter to carry out decomposition to the particle entering decomposition chamber from decomposition chamber week sidewall, digestion, then with spray water together after filtration device spray from shower nozzle, avoid particle packing blocking filtering device, guarantee that the pressure reduction at filter two ends is zero, efficiently avoid filter occurs damaged under the extruding of spray water and particle, effectively extend the service life of filter, guarantee that the sprayer unit of filter front normally uses.
Described filter comprises uncovered one-level orifice plate, filter screen and the secondary orifice plate covered completely in decomposition lower end, chamber, described secondary orifice plate is arranged near end cap, described filter screen is between one-level orifice plate and secondary orifice plate, and the aperture of described one-level orifice plate and secondary orifice plate is all large than the aperture of filter screen.The structure of filter is simple, produces easily, easy for installation.Wherein one-level orifice plate and secondary orifice plate not only can play and support the effect of filter screen, and one-level orifice plate can also stop particle that is larger, random motion, avoids filter screen to be with sharp-pointed water caltrop larger particles to destroy, extends the service life of filter screen further.
As preferably, described filter screen is 100 object steel wires.
The aperture of described secondary orifice plate is 0.5-0.8mm, and the aperture of described one-level orifice plate is larger than the aperture of secondary orifice plate.Arrange the aperture of one-level orifice plate and secondary orifice plate like this, after filter screen is destroyed, secondary orifice plate can replace the effect that filter screen plays filtration, guarantees that filter sprayer unit below normally uses.
The rounded straight hole of described second inlet opening, the center line 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 of decomposing between the one end in chamber and decomposition chamber axial line, second inlet opening is L2 away from the vertical join line of decomposing between the one end in chamber and decomposition chamber axial line, and the center line of described L1, L2 and the second inlet opening forms a triangle; This second inlet opening is communicated with the first inlet opening by the interface channel in housing away from the one end of decomposing chamber.So not only the structure of the second inlet opening is simple, handling ease; And the center line of this second inlet opening is positioned in the plane perpendicular with decomposing chamber axial line, efficiently reduces the impact of press water to filter, is conducive to the service life extending filter; And, the center line of L1, L2 and the second inlet opening forms triangle, the aperture of the second inlet opening is not arranged along the diametric(al) of decomposing chamber, oblique the entering of the spray water of band pressure is made to decompose chamber, make particle more abundant with the collision of decomposing cutter, improve the efficiency that particle is decomposed, avoid Particle Blocking filter, guarantee that the pressure reduction at filter two ends is zero, efficiently avoid filter occurs damaged under the extruding of spray water and particle, further increase the service life of filter, guarantee that the sprayer unit of filter front normally uses.
Described interface channel comprises vertical section, traversing section and lower vertical section, described upper vertical section is vertically arranged, on this upper end of vertical section and the first inlet opening through, the lower end of upper vertical section is communicated with one end of traversing section, described traversing section lateral arrangement, the other end of this traversing section is communicated with the upper end of lower vertical section, and described lower vertical section is vertically arranged, the lower end of lower vertical section is communicated with away from the one end of decomposing chamber with the second inlet opening.The structure of interface channel is simple, and handling ease, is conducive to controlling cost.
Described housing is made up of roundlet shell of column coaxial up and down and great circle shell of column, described first inlet opening is positioned at roundlet shell of column, described decomposition chamber is positioned at the middle part of great circle shell of column, the screw through with decomposing chamber is had in the lower end of described housing, the internal diameter of described screw is larger than the internal diameter decomposing chamber, two annular table terraces are had between screw and decomposition chamber, described filter is positioned on the step surface decomposing chamber, step surface near screw is pushed against by end cap the sealing gasket of annular, and described first inlet opening, decomposition chamber and screw are all coaxially arranged with housing.Housing is set like this, not only the structure of housing simple, produce easily, and filter and mounting structure simple.Moreover, the outer rim of sealing gasket to filter is set and seals, not only make the installation of filter more firm but also be conducive to preventing press water from being run by the junction between end cap and housing and leak, make the design of filter 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, described fluid hole and end cap coaxially arranged.The structure of end cap is simple, installation, convenient disassembly.
Described decomposition cutter upwards extends to form 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 upwards extends to form the construction section of screw shaped, the external diameter of this construction section is less than the external diameter of positioning section, and described construction section stretches into and decomposes the top in chamber and screw thread is fixed.By positioning section and construction section, decomposition cutter is fixed in decomposition chamber like this, makes the handling of decomposition cutter simpler.
As preferably, described decomposition cutter has seven, and one of them is positioned at the axle center of decomposing chamber, and other six decomposition cuttves are uniformly distributed along the axle center of decomposing chamber.
Beneficial effect: the present invention arranges the first inlet opening Sum decomposition chamber in housing, second inlet opening in connection first inlet opening Sum decomposition chamber is had at decomposition chamber week sidewall, in decomposition chamber, internal fixtion decomposes cutter, in decomposition lower end, chamber, filter is installed, the end cap with fluid hole is connected in housing lower end, thus utilize decomposition cutter to decompose decomposition chamber endoparticle thing, digest, filter is avoided to block, effectively extend the service life of filter, there is features such as being skillfully constructed, structure is simple, produce easily and production cost is low.
Accompanying drawing explanation
Fig. 1 is 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
Be 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 element that is identical or similar functions from start to finish.Be exemplary below by embodiment is described with reference to the drawings, be intended to explain the present invention, and can not limitation of the present invention be interpreted as.
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, only for the ease of describing the present invention and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with particular orientation structure and operation, should not be construed as restriction concrete protection domain of the present invention.In addition, if any term " first ", " second " only for describing object, and instruction or hint relative importance can not be interpreted as or imply the 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, can be fixedly connected with, also can be removably connect, or connect integratedly; Also can be mechanical connection, also can be electrical connection; Can be directly be connected, also can be connected by intermediary, can be directly be connected, also can be indirectly be connected.For those of ordinary skills, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In invention, unless otherwise prescribed and limit, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " under " and " above " comprise fisrt feature directly over second feature and oblique upper, or be only represent the height of fisrt feature level height higher than second feature.Fisrt feature second feature " on ", " under " and " below " comprise fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is lower than second feature.
Below in conjunction with accompanying drawing, by being further described the specific embodiment of the present invention, make technical scheme of the present invention and beneficial effect thereof clearly, clearly.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention includes housing 1, described housing 1 is made up of the roundlet shell of column 1a of one coaxial up and down and great circle shell of column 1b.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 columniform decomposition chamber 13 in housing 1 bottom, described decomposition chamber 13 is positioned at the middle part of great circle shell of column 1b, and all sidewalls in described decomposition chamber 13 have the second inlet opening 14.One end of described second inlet opening 14 is through with decomposition chamber 13, and the other end of the second inlet opening 14 is communicated with the first inlet opening 11.The rounded straight hole of described second inlet opening 14, the center line 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 of decomposing 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 of decomposing between the one end in chamber 13 and decomposition chamber 13 axial line, and the center line of described L1, L2 and the second inlet opening 14 forms a triangle.This second inlet opening 14 is communicated with the first inlet opening 11 by the interface channel 12 in housing 1 away from the one end of decomposing chamber 13, and described interface channel 12 comprises vertical section 121, traversing section 122 and lower vertical section 123.Described upper vertical section 121 is vertically arranged, on this upper end of vertical section 121 and the lower aperture of the first inlet opening 11 through, the lower end of upper vertical section 121 is communicated with one end of traversing section 122, described traversing section 122 lateral arrangement, the other end of this traversing section 122 is communicated 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 is communicated with away from the one end of decomposing chamber 13 with the second inlet opening 14.
As shown in Figure 2, Figure 3 and Figure 4, have decompose cutter 3 at described decomposition chamber 13 internal fixtion, described decomposition cutter 3 in vertical triangular prism, thus utilizes the seamed edge of triangular prism to carry out fragmentation as blade to particle.The upper end of described decomposition cutter 3 upwards extends to form 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 upwards extends to form the construction section 32 of 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 and decomposes the top in chamber 13 and screw thread is fixed.The preferred described decomposition cutter 3 of the present embodiment has seven, and one of them is positioned at the axle center of decomposing chamber 13, and other six decomposition cuttves 3 are uniformly distributed along the axle center of decomposing chamber 13.In the lower end in described decomposition chamber 13, filter is installed, described filter comprises uncovered one-level orifice plate 4, filter screen 5 and the secondary orifice plate 6 covered completely in decomposition lower end, chamber 13, described secondary orifice plate 6 is arranged near end cap 2, described filter screen 5 is between one-level orifice plate 4 and secondary orifice plate 6, and the aperture of described one-level orifice plate 4 and secondary orifice plate 6 is all large than the aperture of filter screen 5.The aperture of described secondary orifice plate 6 is 0.5-0.8mm, and the aperture of described one-level orifice plate 4 is larger than the aperture of secondary orifice plate 6.The preferred described filter screen 5 of the present embodiment is 100 object steel wires, and the aperture of described secondary orifice plate 6 is 0.8mm.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, be connected with end cap 2 in the lower end of described housing 1, in described end cap 2, have fluid hole 21, described fluid hole 21 one end is communicated with filter, 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 larger than the internal diameter decomposing chamber 13, two annular table terraces are had between screw and decomposition chamber 13, described filter is positioned on the step surface decomposing chamber 13, step surface near screw is pushed against by end cap 2 sealing gasket 7 of annular, and 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 are linked together, described fluid hole 21 is coaxially arranged with end cap 2.
Claims (10)
1. the preposition anti-blockage filter of spraying, it is characterized in that: comprise 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), columniform decomposition chamber (13) 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) is communicated with the first inlet opening (11), have decomposition cutter (3) at described decomposition chamber (13) internal fixtion, described decomposition cutter (3) is in vertical triangular prism, in the lower end of described decomposition chamber (13), filter is installed, end cap (2) is connected with in the lower end of housing (1), fluid hole (21) is had in described end cap (2), described fluid hole (21) one end is communicated with filter, 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 filter comprises uncovered one-level orifice plate (4), filter screen (5) and the secondary orifice plate (6) covered completely in decomposition chamber (13) lower end, described secondary orifice plate (6) is arranged near end cap (2), described filter screen (5) is positioned between one-level orifice plate (4) and secondary orifice plate (6), and the aperture of described one-level orifice plate (4) and secondary orifice plate (6) is all large than the aperture of filter screen (5).
3. the preposition anti-blockage filter of spraying according to claim 2, is characterized in that: described filter screen (5) is 100 object steel wires.
4. the preposition anti-blockage filter of spraying according to claim 3, is characterized in that: the aperture of described secondary orifice plate (6) is 0.5-0.8mm, and the aperture of described one-level orifice plate (4) is larger than the aperture of secondary orifice plate (6).
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 center line 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 of decomposing 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 of decomposing between the one end in chamber (13) and decomposition chamber (13) axial line, described L1, the center line of L2 and the second inlet opening (14) forms a triangle, this second inlet opening (14) is communicated with the first inlet opening (11) by the interface channel (12) in housing (1) away from the one end of decomposing chamber (13).
6. the preposition anti-blockage filter of spraying according to claim 1, it is characterized in that: described interface channel (12) comprises vertical section (121), traversing section (122) and lower vertical section (123), described upper vertical section (121) is vertically arranged, on this upper end of vertical section (121) and the first inlet opening (11) through, the lower end of upper vertical section (121) is communicated with one end of traversing section (122), described traversing section (122) lateral arrangement, the other end of this traversing section (122) is communicated 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) is communicated with away from the one end of 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 great circle shell of column (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 great circle shell of column (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 larger than the internal diameter decomposing chamber (13), two annular table terraces are had between screw and decomposition chamber (13), described filter is positioned on the step surface decomposing chamber (13), step surface near screw is pushed against by end cap (2) sealing gasket (7) of annular, described first inlet opening (11), decompose chamber (13) and screw 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 fluid hole (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) upwards extends to form 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) upwards extends to form the construction section (32) of screw shaped, the external diameter of this construction section (32) is less than the external diameter of positioning section (31), described construction section (32) stretch into decompose chamber (13) top and screw thread fix.
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 of decomposing chamber (13), and other six decomposition cuttves (3) are uniformly distributed along the axle center of decomposing chamber (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196543.XA CN104826375B (en) | 2015-04-23 | 2015-04-23 | Spray preposition anti-blockage filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196543.XA CN104826375B (en) | 2015-04-23 | 2015-04-23 | Spray preposition anti-blockage filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104826375A true CN104826375A (en) | 2015-08-12 |
| CN104826375B CN104826375B (en) | 2016-06-15 |
Family
ID=53804796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510196543.XA Active CN104826375B (en) | 2015-04-23 | 2015-04-23 | Spray preposition anti-blockage filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104826375B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050275A (en) * | 2017-12-13 | 2018-05-18 | 中煤科工集团重庆研究院有限公司 | A kind of block-resistant type hydraulic support atomizing de-dusting control valve |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993012859A1 (en) * | 1991-12-24 | 1993-07-08 | Pall Corporation | Dynamic filter system |
| CN2278517Y (en) * | 1996-09-17 | 1998-04-15 | 庄河市绿洲化工厂 | Anti-blocking fluid filter |
| EP1870148A1 (en) * | 2006-06-21 | 2007-12-26 | SPX Corporation | Coaxial full-flow and bypass oil filter apparatus and method |
| WO2009028163A1 (en) * | 2007-08-30 | 2009-03-05 | Kyushu University, National University Corporation | Filter and method of filtration |
| CN101543692A (en) * | 2008-03-29 | 2009-09-30 | 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 |
| CN102698496A (en) * | 2012-05-30 | 2012-10-03 | 苏州市金翔钛设备有限公司 | Anti-blockage filtering device |
| 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-blockage filter |
-
2015
- 2015-04-23 CN CN201510196543.XA patent/CN104826375B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993012859A1 (en) * | 1991-12-24 | 1993-07-08 | Pall Corporation | Dynamic filter system |
| CN2278517Y (en) * | 1996-09-17 | 1998-04-15 | 庄河市绿洲化工厂 | Anti-blocking fluid filter |
| EP1870148A1 (en) * | 2006-06-21 | 2007-12-26 | SPX Corporation | Coaxial full-flow and bypass oil filter apparatus and method |
| WO2009028163A1 (en) * | 2007-08-30 | 2009-03-05 | Kyushu University, National University Corporation | Filter and method of filtration |
| CN101543692A (en) * | 2008-03-29 | 2009-09-30 | 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 |
| CN102698496A (en) * | 2012-05-30 | 2012-10-03 | 苏州市金翔钛设备有限公司 | Anti-blockage filtering device |
| 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-blockage filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050275A (en) * | 2017-12-13 | 2018-05-18 | 中煤科工集团重庆研究院有限公司 | A kind of block-resistant type hydraulic support atomizing de-dusting control valve |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104826375B (en) | 2016-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104624426B (en) | From block clearing sprayer | |
| CN202459921U (en) | High-pressure spiral-flow type atomizing spray head | |
| CN204625218U (en) | Anti-blockage filter | |
| CN104826375A (en) | Spraying anti-blocking pre-filter | |
| CN202761952U (en) | Fine water mist sprayer | |
| CN203648177U (en) | Filter and water purification equipment with same | |
| CN209174157U (en) | A kind of hollow cone spiral spray nozzle | |
| CN109338675B (en) | Dispenser and washing machine | |
| CN110947532B (en) | Vortex excitation nozzle with elastic vibrating piece cavity | |
| CN212523459U (en) | Full-automatic dust removal encloses shelves | |
| CN215141192U (en) | Nozzle thread sealing connection structure | |
| CN213131062U (en) | High-pressure spray deodorization equipment capable of preventing nozzle from being blocked | |
| CN212017376U (en) | Ammonia spraying device for flue gas denitration | |
| CN203736766U (en) | Closed fire-fighting nozzle | |
| CN108442966B (en) | Mining automatic atomizer of acoustic control | |
| CN113695343A (en) | Anti-loosening protective mesh cover for rotary water jet mechanism | |
| CN217391459U (en) | Spray head protection cover | |
| CN201565368U (en) | Liquid atomizer | |
| CN212701415U (en) | Two-phase type spraying device | |
| CN209255029U (en) | A kind of gas atomizing nozzle | |
| CN201930430U (en) | Novel centrifugal fine water fog spray head | |
| CN219003400U (en) | Novel nozzle structure | |
| CN211436644U (en) | Deodorization is with multi-functional centrifugal atomizer | |
| CN218358179U (en) | Anti-blocking spraying device | |
| CN220070607U (en) | Water mist fire-fighting nozzle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |