AU2019200207B2 - A steam filter for the steam turbine - Google Patents
A steam filter for the steam turbine Download PDFInfo
- Publication number
- AU2019200207B2 AU2019200207B2 AU2019200207A AU2019200207A AU2019200207B2 AU 2019200207 B2 AU2019200207 B2 AU 2019200207B2 AU 2019200207 A AU2019200207 A AU 2019200207A AU 2019200207 A AU2019200207 A AU 2019200207A AU 2019200207 B2 AU2019200207 B2 AU 2019200207B2
- Authority
- AU
- Australia
- Prior art keywords
- cavity
- steam
- fixedly connected
- rotating
- rotating shaft
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtration Of Liquid (AREA)
- Pipe Accessories (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
This invention discloses a steam filter for steam turbine, comprising a lower housing (100), an upper housing (128), a filter element, a containing cavity (135) with an upward opening arranged in the lower housing (100), a rotating cavity (137) with a downward opening arranged in the upper housing (128), a gear cavity (121) arranged at the top of the rotating cavity (137), a pump cavity (145) arranged on the right side of the rotating cavity (137), edges (118) extending outwards arranged both at an opening of the lower housing (100) and an opening of the upper housing (128). The present invention is simple in structure and convenient to use, and the working efficiency is high. 127 1LZ23 2 1-212 130- 147- B A 148 13 19B 138- 136 -112 14g Y1 103 164 111 100" 1 106 107 108
Description
A STEAM FILTER FOR THE STEAM TURBINE
TECHNICAL FIELD [0001] The invention relates to the technical field of the filter, in particular to a steam filter for the steam turbine.
BACKGROUND OF THE INVENTION [0002] In today’s society of rapid development of science and technology, people have a disparate and different levels of demand for filters when they use them, especially for the cleaning for filters. The cleaning of filters that people usually do is to take them apart and to take out the filter element and to clean them one by one, which is not only time and energy consuming but also affects the working efficiency. But the steam filter for the steam turbine of the invention not only does not need to be taken apart to clean but also can automatically finish cleaning, which greatly improves people’s work efficiency and has a higher practicability.
BRIEF SUMMARY OF THE INVENTION [0003] The technical problem to be solved by the invention is to provide a steam filter for the steam turbine, so as to overcome the problems existing in the prior art.
[0004] The invention is adopted by the following technical plan: The steam filter for steam turbine of the invention comprises a lower housing, an upper housing, a filter element, a containing cavity with an upward opening arranged in the lower housing, a rotating cavity with a downward opening arranged in the upper housing, a gear cavity arranged at the top of said rotating cavity, a pump cavity arranged on the right side of the rotating cavity, edges extending outwards arranged both at an opening of the lower housing and an opening of the
2019200207 11 Jan 2019 upper housing, a plurality of connecting holes which are equidistant and extends up and down communicated with said edge, grooves arranged both at the end face of the openings of the lower housing and the upper housing, a toroidal sealing strip embedded between said grooves, a steam outlet pipe extending leftwards and rightwards communicated with the left end wall of said lower housing, a steam pipeline joint fixedly connected to the outer side end of said steam outlet pipe, a first annular groove set in the inner wall of said containing cavity, a trapezoid circular ring in sliding fit connection with the first annular groove, a water collecting tank in threaded connection with the bottom of said lower housing, a water collecting cavity set in said water collecting tank, a left and right extended water outlet pipe communicated with the inner wall of the left end of said water collecting cavity, wherein a first valve is arranged on said water outlet pipe, a filter channel communicated between said water collecting cavity and said containing cavity, a threadedly connected filter screen embedded in the bottom end of said filter channel, a steam inlet pipe which extends up and down communicated with the top wall of said upper housing, a steam pipeline joint fixedly connected to the outer side end of the steam inlet pipe, a second valve arranged on said steam inlet pipe, a motor located at the right end of the steam inlet pipe fixedly connected to the top wall of said upper housing, wherein the output end of the motor penetrates through the top wall of said upper housing and is fixedly connected with a first spur gear located in said gear cavity, a first rotating shaft and a second rotating shaft which extend up and down communicated between the gear cavity and the rotating cavity, wherein the tail end of the top of the first rotating shaft is fixedly connected with a second spur gear engaged with said first spur gear, a rotating device located in said rotating cavity fixedly connected with the tail end of the bottom of the first rotating shaft, a third spur gear engaged with said first spur gear fixedly connected to the top of the second rotating shaft, a first bevel gear located in said rotating cavity fixedly connected to the tail end of the bottom of the second rotating shaft, a third rotating shaft extending leftwards and rightwards communicated between the rotating cavity and the pump cavity, wherein the left end of the third rotating shaft is fixedly connected with a second bevel gear used for being engaged with the first bevel gear, a pump body located in the pump cavity fixedly connected to the right end of said third rotating shaft, a water inlet pipe which extends left and right communicated with the inner wall of the right
2019200207 11 Jan 2019 end of said pump cavity, a water outlet pipe communicated between the pump cavity and the rotating cavity, wherein the other end of the water outlet pipe is fixedly connected with a sprinkler head located in said rotating cavity, a second annular groove set in the inner wall of said rotating cavity.
[0005] As an optimized technical proposal, wherein said rotating device comprises a rotating disc fixedly connected to the bottom of said first rotating shaft, four centrosymmetric rotating rods extending outwards fixedly connected to the outer side of the edge of said rotating disc, a connecting rod which extend up and down fixedly connected to the other end of said rotating rod, a trapezoid block in rotational engagement with said second annular groove fixedly connected to the end surface of the outer side of said connecting rod, wherein a filter element is embedded between said trapezoid block and said trapezoid circular ring.
[0006] As an optimized technical proposal, wherein the filter element comprises a circular ring embedded in said trapezoid block and said trapezoid circular ring, a third annular groove arranged in the end face of the outer side of said circular ring, an annular rubber strip used for clamping said trapezoid block and said trapezoid circular ring arranged in said third annular groove, a plurality of the supporting rods which are equidistant fixedly connected between said circular rings, a fine filter screen surrounded on the outer side of said supporting rods, a rough filter screen surrounded on the inner side of said supporting rods, a steam channel arranged in the inner side of said rough filter screen.
[0007] As an optimized technical proposal, wherein the inner wall of the containing cavity and the inner wall of said rotating cavity are both fixedly connected with a heat preservation layer.
[0008] The benefits of the invention are as follows: when the device of the invention is in the initial position, said motor is stopped, and the first valve and the second valve are in a closed state, and steam is not introduced into said steam channel, and impurities are not attached to said rough filter screen, the fine filter screen and the filter screen, and the rotating
2019200207 11 Jan 2019 device is in a static state and said water collecting cavity is empty of water, and the interior of the whole device is basically in a clean environment.
[0009] When the device of the invention is working, steam is introduced into said steam inlet pipe and reaches the steam channel, and impurities are filtered out through said rough filter screen and the fine filter screen, and finally steam is discharged from the steam outlet pipe. In this process, impurities filtered by the rough filter screen and the fine filter screen may be attached to the rough filter screen and the fine filter screen or fall into said filter channel to attach to said filter screen; meanwhile, the liquefied water passing through said filter channel is filtered by said filter screen to flow into said water collecting cavity, and when the water of said water collecting cavity is almost lull, the first valve is opened, and the water is reused after it returned from said water outlet pipe to the steam chamber.
[0010] When the whole device is required to be cleaned after working, the device is started, and said motor is started to drive said first spur gear to rotate, which drives the second spur gear to rotate; the second spur gear drives said rotating disc to rotate through said first rotating shaft and said rotating disc drives the trapezoid block to rotate along said second annular groove through said rotating rod, and then said filter element device is driven to rotate; meanwhile, the first spur gear drives the third spur gear to rotate, and then the first bevel gear is driven to rotate through the second rotating shaft, and then the second bevel gear is driven to rotate to drive the pump body to rotate through the third rotating shaft; the pump body pumps the water used for cleaning from said water inlet pipe to said water outlet pipe, and then the water is sprayed out of said sprinkler head for cleaning. The used water is filtered through said filter channel and then flows into said water collecting cavity, and the used water in the water collecting cavity will be used for producing steam or is used for other places.
[0011] The present invention is simple in structure and convenient to use. In addition to its own filtering function, the whole device also has the ability of automatic cleaning. Various actions required are realized through the cooperation of each mechanism, which saves a lot of time for the cleaning of the whole device during the whole using process, so the working
2019200207 11 Jan 2019 efficiency of the device is improved, and the heat preservation layer provided also greatly improves the performance of the device .
BRIEF DESCRIPTION OF THE DRAWINGS [0012] For better description, the present invention is described in detail by the following specific embodiments and drawings.
[0013] FIG. 1 is the overall structural diagram of the steam filter for the steam turbine in this invention.
[0014] FIG. 2 is an cross-sectional schematic diagram of B in FIG.l [0015] FIG. 3 is an cross-sectional schematic diagram of A in FIG. 1.
[0016] FIG. 4 is partial enlarged schematic diagram of C in FIG.l.
DETAILED DESCRIPTION OF THE INVENTION [0017] Referring to FIG.l to FIG.4, the invention steam filter for steam turbine comprises a lower housing 100, an upper housing 128, a filter element, a containing cavity 135 with an upward opening arranged in the lower housing 100, a rotating cavity 137 with a downward opening arranged in the upper housing 128, a gear cavity 121 arranged at the top of said rotating cavity 137, a pump cavity 145 arranged on the right side of the rotating cavity 137, edges 118 extending outwards arranged both at an opening of the lower housing 100 and an opening of the upper housing 128, a plurality of connecting holes 117 which are equidistant and extends up and down communicated with said edge 118, grooves 116 arranged both at the end face of the openings of the lower housing 100 and the upper housing 128, a toroidal sealing strip 119 embedded between said grooves 116, a steam outlet pipe 102 extending leftwards and rightwards communicated with the left end wall of said lower housing 100, a
2019200207 11 Jan 2019 steam pipeline joint 138 fixedly connected to the outer end of said steam outlet pipe 102, a first annular groove 101 set in the inner wall of said containing cavity 135, a trapezoid circular ring 103 in sliding fit connection with the first annular groove 101, a water collecting tank 107 in threaded connection with the bottom of said lower housing 100, a water collecting cavity 108 set in said water collecting tank 107, a left and right extended water outlet pipe 106 communicated with the inner wall of the left end of said water collecting cavity 108, wherein a first valve 105 is arranged on said water outlet pipe 106, a filter channel 110 communicated between said water collecting cavity 108 and said containing cavity 135, a threadedly connected filter screen 109 embedded in the bottom end of said filter channel 110, a steam inlet pipe 126 which extends up and down communicated with the top wall of said upper housing 128, a steam pipeline joint 138 fixedly connected to the outer end of the steam inlet pipe 126, a second valve 127 arranged on said steam inlet pipe 126, a motor 124 located at the right end of the steam inlet pipe 126 fixedly connected to the top wall of said upper housing 128, wherein the output end of the motor 124 penetrates through the top wall of said upper housing 128 and is fixedly connected with a first spur gear 123 located in said gear cavity 121, a first rotating shaft 129 and a second rotating shaft 141 which extend up and down communicated between the gear cavity 121 and the rotating cavity 137, wherein the tail end of the top of the first rotating shaft 129 is fixedly connected with a second spur gear 125 engaged with said first spur gear 123, a rotating device located in said rotating cavity 137 fixedly connected with the tail end of the bottom of the first rotating shaft 129, a third spur gear 122 engaged with said first spur gear 123 fixedly connected to the top of the second rotating shaft 141, a first bevel gear 140 located in said rotating cavity 137 fixedly connected to the tail end of the bottom of the second rotating shaft 141, a third rotating shaft 142 extending leftwards and rightwards communicated between the rotating cavity 137 and the pump cavity 145, wherein the left end of the third rotating shaft 142 is fixedly connected with a second bevel gear 139 used for being engaged with the first bevel gear 140, a pump body 146 located in the pump cavity 145 fixedly connected to the right end of said third rotating shaft 142, a water inlet pipe 144 extending left and right communicated with the inner wall of the right end of said pump cavity 145, a water outlet pipe 120 communicated between the pump cavity 145 and the rotating cavity 137, wherein the other end of the water outlet pipe
2019200207 11 Jan 2019
120 is fixedly connected with a sprinkler head 131 located in said rotating cavity 137, a second annular groove 147 set in the inner wall of said rotating cavity 137.
[0018] Beneficially, wherein said rotating device comprises a rotating disc 132 fixedly connected to the bottom of said first rotating shaft 129, four centrosymmetric rotating rods 133 extending outwards fixedly connected to the outer side of the edge of said rotating disc 132, a connecting rod 130 which extends up and down fixedly connected to the other end of said rotating rod 133, a trapezoid block 148 in rotational engagement with said second annular groove 147 fixedly connected to the end surface of the outer side of said connecting rod 130, wherein a filter element is embedded between said trapezoid block 148 and said trapezoid circular ring 103, and the trapezoid block 148 drives the filter element to rotate when the filter element is washed, which is very convenient.
[0019] Beneficially, wherein a filter element comprises a circular ring 113 embedded in said trapezoid block 148 and said trapezoid circular ring 103, a third annular groove 104 arranged in the end face of the outer side of said circular ring 113, an annular rubber strip 112 used for clamping said trapezoid block 148 and said trapezoid circular ring 103 arranged in said third annular groove 104, a plurality of the supporting rods 114 which are equidistant fixedly connected between said circular rings 113, a fine filter screen 115 surrounded on the outer side of said supporting rods 114, a rough filter screen 136 surrounded on the inner side of said supporting rods 114, a steam channel 149 arranged in the inner side of said rough filter screen 136, which is convenient for impurities with different sizes to be filtered out.
[0020] Beneficially, wherein the inner wall of the containing cavity 135 and the inner wall of said rotating cavity 137 are both fixedly connected with a heat preservation layer 111 to reduce liquefaction of the steam during steam filtration.
[0021] When the device of the invention is in the initial position, said motor 124 is stopped, and the first valve 105 and the second valve 127 are in a closed state, and steam is not introduced into said steam channel 149, and impurities are not attached to said rough filter
2019200207 11 Jan 2019 screen 136, the fine filter screen 115 and the filter screen 109, and the rotating device is in a static state and said water collecting cavity 108 is empty of water, and the interior of the whole device is basically in a vacuum environment.
[0022] When the device of the invention is working, steam is introduced into said steam inlet pipe 126 and reaches the steam channel 149, and filters out impurities through said rough filter screen 136 and the fine filter screen 115, and finally steam is discharged from the steam outlet pipe 102. In this process, impurities filtered by the rough filter screen 136 and the fine filter screen 115 may be attached to the rough filter screen 136 and the fine filter screen 115 or fall into said filter channel 110 to attach to said filter screen 109; meanwhile, the liquefied water passing through said filter channel 110 is filtered by said filter screen 109 to flow into said water collecting cavity 108, and when the water of said water collecting cavity 108 is almost full, the first valve 105 is opened, and the water is reused after it returned from said water outlet pipe 106 to the steam chamber.
[0023] When the whole device is required to be cleaned after working, the device is started, and said motor 124 is started to drive said first spur gear 123 to rotate, which drives the second spur gear 125 to rotate; the second spur gear 125 drives said rotating disc 132 to rotate through said first rotating shaft 129 and said rotating disc 132 drives the trapezoid block 148 to rotate along said second annular groove 147 through said rotating rod 133, and then said filter element device is driven to rotate; meanwhile, the first spur gear 123 drives the third spur gear 122 to rotate, and then the first bevel gear 140 is driven to rotate through the second rotating shaft 141, and then the second bevel gear 139 is driven to rotate to drive the pump body 146 to rotate through the third rotating shaft 142; the pump body 146 pumps the water used for cleaning from said water inlet pipe 144 to said water outlet pipe 120, and then the water is sprayed out of said sprinkler head 131 for cleaning. The used water is filtered through said filter channel 110 and then flows into said water collecting cavity 108, and the used water in the water collecting cavity 108 will be used for producing steam or is used for other places.
[0024] The benefits of the invention are as follows: when the device of the invention is in
2019200207 11 Jan 2019 the initial position, said motor is stopped, and the first valve and the second valve are in a closed state, and steam is not introduced into said steam channel, and impurities are not attached to said rough filter screen, the fine filter screen and the filter screen, and the rotating device is in a static state and said water collecting cavity is empty of water, and the interior of the whole device is basically in a clean environment, which is easy to use for the first time.
[0025] When the device of the invention is working, steam is introduced into said steam inlet pipe and reaches the steam channel, and impurities are filtered out through said rough filter screen and the fine filter screen, and finally steam is discharged from the steam outlet pipe. In this process, impurities filtered by the rough filter screen and the fine filter screen may be attached to the rough filter screen and the fine filter screen or fall into said filter channel to attach to said filter screen; meanwhile, the liquefied water passing through said filter channel is filtered by said filter screen to flow into said water collecting cavity, and when the water of said water collecting cavity is almost full, the first valve is opened, and the water is reused after it returned from said water outlet pipe to the steam chamber to avoid the water for use containing impurities and affect the use.
[0026] When the whole device is required to be cleaned after working, the device is started, and said motor is started to drive said first spur gear to rotate, which drives the second spur gear to rotate; the second spur gear drives said rotating disc to rotate through said first rotating shaft and said rotating disc drives the trapezoid block to rotate along said second annular groove through said rotating rod, and then said filter element device is driven to rotate; meanwhile, the first spur gear drives the third spur gear to rotate, and then the first bevel gear is driven to rotate through the second rotating shaft, and then the second bevel gear is driven to rotate to drive the pump body to rotate through the third rotating shaft; the pump body pumps the water used for cleaning from said water inlet pipe to said water outlet pipe, and then the water is sprayed out of said sprinkler head for cleaning. The used water is filtered through said filter channel and then flows into said water collecting cavity, and the used water in the water collecting cavity will be used for producing steam or is used for other places, which is easy to reach the purpose of cleaning without taking them apart.
2019200207 11 Jan 2019 [0027] The present invention is simple in structure and convenient to use. In addition to its own filtering function, the whole device also has the ability of automatic cleaning. Various actions required are realized through the cooperation of each mechanism, which saves a lot of time for the cleaning of the whole device during the whole using process, so the working efficiency of the device is improved, and the heat preservation layer provided also greatly improves the performance of the device.
[0028] Descriptions above are only embodiments of the present invention, but the invention is not subject to restrictions of the embodiments above. The invention will be subject to modification and replacement without any uncreative work, which will also fall into the claimed protection extent of this invention. Therefore, the protection extent of the invention shall be determined with reference to the appended claims.
Claims (4)
1. A steam filter for steam turbine, comprising a lower housing;
an upper housing;
a filter element;
a containing cavity with an upward opening arranged in the lower housing;
a rotating cavity with a downward opening arranged in the upper housing;
a gear cavity arranged at the top of said rotating cavity;
a pump cavity arranged on the right side of the rotating cavity;
edges extending outwards arranged both at an opening of the lower housing and an opening of the upper housing;
a plurality of connecting holes which are equidistant and extends up and down communicated with said edge;
grooves arranged both at the end face of the openings of the lower housing and the upper housing;
a toroidal sealing strip embedded between said grooves;
a steam outlet pipe extending leftwards and rightwards communicated with the left end wall of said lower housing;
a steam pipeline joint fixedly connected to the outer side end of said steam outlet pipe; a first annular groove set in the inner wall of said containing cavity; a trapezoid circular ring in sliding fit connection with the first annular groove; a water collecting tank in threaded connection with the bottom of said lower housing; a water collecting cavity set in said water collecting tank;
a left and right extended water outlet pipe communicated with the inner wall of the left end of said water collecting cavity;
wherein a first valve is arranged on said water outlet pipe;
a filter channel communicated between said water collecting cavity and said containing cavity;
2019200207 11 Jan 2019 a threadedly connected filter screen embedded in the bottom end of said filter channel; a steam inlet pipe which extends up and down communicated with the top wall of said upper housing;
a steam pipeline joint fixedly connected to the outer side end of the steam inlet pipe; a second valve arranged on said steam inlet pipe;
a motor located at the right end of the steam inlet pipe fixedly connected to the top wall of said upper housing;
wherein the output end of the motor penetrates through the top wall of said upper housing and is fixedly connected with a first spur gear located in said gear cavity; a first rotating shaft and a second rotating shaft which extend up and down communicated between the gear cavity and the rotating cavity;
wherein the tail end of the top of the first rotating shaft is fixedly connected with a second spur gear engaged with said first spur gear;
a rotating device located in said rotating cavity fixedly connected with the tail end of the bottom of the first rotating shaft;
a third spur gear engaged with said first spur gear fixedly connected to the top of the second rotating shaft;
a first bevel gear located in said rotating cavity fixedly connected to the tail end of the bottom of the second rotating shaft;
a third rotating shaft extending leftwards and rightwards communicated between the rotating cavity and the pump cavity;
wherein the left end of the third rotating shaft is fixedly connected with a second bevel gear used for being engaged with the first bevel gear;
a pump body located in the pump cavity fixedly connected to the right end of said third rotating shaft;
a water inlet pipe which extends left and right communicated with the inner wall of the right end of said pump cavity;
a water outlet pipe communicated between the pump cavity and the rotating cavity; wherein the other end of the water outlet pipe is fixedly connected with a sprinkler head
2019200207 11 Jan 2019 located in said rotating cavity;
a second annular groove set in the inner wall of said rotating cavity.
2. The steam filter for steam turbine according to claim 1, wherein said rotating device comprises a rotating disc fixedly connected to the bottom of said first rotating shaft, four centrosymmetric rotating rods extending outwards fixedly connected to the outer side of the edge of said rotating disc;
a connecting rod which extends up and down fixedly connected to the other end of said rotating rod;
a trapezoid block in rotational engagement with said second annular groove fixedly connected to the end surface of the outer side of said connecting rod;
wherein a filter element is embedded between said trapezoid block and said trapezoid circular ring.
3. The steam filter for steam turbine according to claim 1, wherein said filter element comprises a circular ring embedded in said trapezoid block and said trapezoid circular ring, a third annular groove arranged in the end face of the outer side of said circular ring; an annular rubber strip used for clamping said trapezoid block and said trapezoid circular ring arranged in said third annular groove;
a plurality of the supporting rods which are equidistant fixedly connected between said circular rings;
a fine filter screen surrounded on the outer side of said supporting rods;
a rough filter screen surrounded on the inner side of said supporting rods;
a steam channel arranged in the inner side of said rough filter screen.
4. The steam filter for steam turbine according to claim 1, wherein the inner wall of the containing cavity and the inner wall of said rotating cavity are both fixedly connected with a heat preservation layer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811006148.0A CN109107282A (en) | 2018-08-30 | 2018-08-30 | Steam filter for steam turbine |
| CN2018110061480 | 2018-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2019200207A1 AU2019200207A1 (en) | 2019-02-14 |
| AU2019200207B2 true AU2019200207B2 (en) | 2019-03-28 |
Family
ID=64861713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2019200207A Ceased AU2019200207B2 (en) | 2018-08-30 | 2019-01-11 | A steam filter for the steam turbine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6627158B1 (en) |
| CN (1) | CN109107282A (en) |
| AU (1) | AU2019200207B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102437411B1 (en) * | 2022-01-27 | 2022-08-26 | 엄영호 | Elbow filter angle for water meter box |
| CN116943348B (en) * | 2023-09-20 | 2024-03-01 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Tail gas treatment device capable of reducing dust emission for cement kiln |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4623449A (en) * | 1983-04-08 | 1986-11-18 | Boehnensieker Franz | Apparatus for the separation of the reusable part from the unusable part of granular form filter material, in particular of granular form activated charcoal, from filter equipment |
-
2018
- 2018-08-30 CN CN201811006148.0A patent/CN109107282A/en not_active Withdrawn
- 2018-12-27 JP JP2018246340A patent/JP6627158B1/en not_active Expired - Fee Related
-
2019
- 2019-01-11 AU AU2019200207A patent/AU2019200207B2/en not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4623449A (en) * | 1983-04-08 | 1986-11-18 | Boehnensieker Franz | Apparatus for the separation of the reusable part from the unusable part of granular form filter material, in particular of granular form activated charcoal, from filter equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109107282A (en) | 2019-01-01 |
| JP6627158B1 (en) | 2020-01-08 |
| JP2020032400A (en) | 2020-03-05 |
| AU2019200207A1 (en) | 2019-02-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |