CN209549007U - A kind of cylinder secondary filter structure of Steam Turbine - Google Patents
A kind of cylinder secondary filter structure of Steam Turbine Download PDFInfo
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- CN209549007U CN209549007U CN201920246088.3U CN201920246088U CN209549007U CN 209549007 U CN209549007 U CN 209549007U CN 201920246088 U CN201920246088 U CN 201920246088U CN 209549007 U CN209549007 U CN 209549007U
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- cartridge filter
- mounting cylinder
- cylinder
- filter
- air inlet
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Abstract
The utility model discloses a kind of cylinder secondary filter structures of Steam Turbine, including mounting cylinder, cartridge filter, the mounting cylinder is cylindrical shape, and several cartridge filters are fixedly installed in mounting cylinder, and cartridge filter is circumferentially arranged in the mounting cylinder, and the axis of cartridge filter is parallel with the axis of mounting cylinder, the air inlet port of cartridge filter is arranged on the end plate of mounting cylinder air inlet side, in the mounting cylinder inlet end, circular sealing cover is set, and air inlet pipe is arranged in the outer end of sealing cover, the escape pipe that mounting cylinder is connected to far from the side end panel setting of sealing cover with its inside, the cartridge filter is taper tubular, and filter hole is distributed on the barrel of cartridge filter, the internal diameter of the cartridge filter is gradually reduced by air inlet side to outlet side, the air inlet open at one end of the mounting cylinder, and the affixed mounting plate of open-mouth.The utility model structure is simple, is easily installed disassembly, and filter effect is good.
Description
Technical field
The utility model relates to steam turbine technology field more particularly to a kind of cylinder secondary filter structures of Steam Turbine.
Background technique
Steam turbine is the shell of steam turbine.Steam turbine is one of three big main force's equipment in thermal power plant, rotor
There is very high machining accuracy with cylinder, main component works in high temperature, hyperbaric environment.
The effect of cylinder mainly separates the flow passage component of steam turbine with atmosphere, guarantees that steam is completed to do in steam turbine
Merits and demerits journey.In addition, it also supports certain stationary parts of steam turbine, their weight is born, is still suffered from due to along cylinder axis
To the thermal stress that, radial temperature profile is uneven and generates.
The cylinder of steam turbine is made generally in horizontal separable type, that is, divides casing top half and lower cylinder.It is medium and small rationally to utilize steel
Type steam turbine is often divided into high pressure section, intermediate pressure section and low pressure stage with one or two vertical faying face.Powerful steam turbine
High pressure cylinder, intermediate pressure cylinder and low pressure (LP) cylinder is respectively set according to work characteristics.After high pressure-temperature uses dual-layer air cylinder structure, in cylinder point
Cylinder and outer shell.Steam is discharged into condenser after last stage vane of steam turbine, this partial-cylinder claims exhaust casing.
All steam turbines are designed with vapor filter, the particulate matter carried in the steam for capturing boiler supply,
Prevent it from entering steam turbine, in order to avoid cause the badly damaged of steam turbine.Existing vapor filter, structure is complicated and filter effect
It is bad, inconvenient installation and replacement filter core.
Utility model content
The purpose of this utility model is to provide a kind of cylinder secondary filter structures of Steam Turbine, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions:
A kind of cylinder secondary filter structure of Steam Turbine, including mounting cylinder, cartridge filter.
The mounting cylinder is cylindrical shape, and several cartridge filters is fixedly installed in mounting cylinder, and cartridge filter is in the peace
It circumferentially arranges in fitted tube, and the axis of cartridge filter is parallel with the axis of mounting cylinder, the air inlet port setting of cartridge filter is being installed
On the end plate of cylinder air inlet side, circular sealing cover is set in the mounting cylinder inlet end, and air inlet is arranged in the outer end of sealing cover
Pipe, the escape pipe that mounting cylinder is connected to far from the side end panel setting of sealing cover with its inside.
The cartridge filter is taper tubular, and filter hole is distributed on the barrel of cartridge filter, the internal diameter of the cartridge filter by
Air inlet side is gradually reduced to outlet side.
Further, the air inlet open at one end of the mounting cylinder, and the affixed mounting plate of open-mouth, mounting plate are fitted in installation
It is on one side end face of air inlet of cylinder and affixed by fixing bolt and mounting cylinder.
Further, the barrel of the cartridge filter is divided into leading portion, middle section, back segment, and close to cartridge filter inlet end
For leading portion, and the leading portion of cartridge filter barrel, middle section, the filter hole aperture on back segment are gradually reduced.
Further, along several pieces of partitions of coaxial arrangement in the cartridge filter, every piece of partition is equipped with corresponding with cartridge filter
Mounting hole, the correspondence mounting hole on every piece of partition of cartridge filter, and the outer wall of cartridge filter is contacted with the inner wall of corresponding mounting hole.
Further, it is distributed with circular through-hole on every piece of partition, it is right from the inlet end of mounting cylinder to outlet side
Through-hole aperture on partition is answered to be gradually reduced.
The beneficial effects of the utility model are:
The utility model devises mounting cylinder, and sealing cover is arranged in mounting cylinder and extraneous side, and on sealing cover setting with
Air inlet pipe, escape pipe is arranged in the other side of mounting cylinder, convenient to connect with extraneous pipeline, mounting cylinder into side opening and lead to
Fixing bolt fixed mounting plate is crossed, several through-holes are set on mounting plate, are respectively mounted cartridge filter in each through-hole, several filterings
Cylinder is circumferential to be set in mounting cylinder, facilitates installing and dismounting, and structure is simple.
The cartridge filter of the utility model setting is tapered tubular, and maximum close to air inlet one end aperture, increase cartridge filter with
Air flow contacts area, more preferably, cartridge filter barrel is divided into leading portion, middle section, back segment to filter effect, leading portion, middle section, filter hole on back segment
Aperture be gradually reduced, further increase the effect of filter particulate material.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the cartridge filter cross section structure schematic diagram of the utility model.
In figure: mounting cylinder 1, partition 2, escape pipe 3, fixing bolt 4, mounting plate 5, sealing cover 6, air inlet pipe 7, unit filtering
Plate 8, cartridge filter 9.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1-2, a kind of cylinder secondary filter structure of Steam Turbine, including mounting cylinder 1, cartridge filter 9.
The mounting cylinder 1 is cylindrical shape, and several cartridge filters 9 is fixedly installed in mounting cylinder 1, and cartridge filter 9 is in institute
It states and circumferentially arranges in mounting cylinder 1, and the axis of cartridge filter 9 is parallel with the axis of mounting cylinder 1, the air inlet port of cartridge filter 9 is set
It sets on the end plate of 1 air inlet side of mounting cylinder, circular sealing cover 6 is set in 1 inlet end of mounting cylinder, and sealing cover 6
Air inlet pipe 7, the escape pipe 3 that mounting cylinder 1 is connected to far from the side end panel setting of sealing cover 6 with its inside is arranged in outer end.
The cartridge filter 9 is taper tubular, and filter hole is distributed on the barrel of cartridge filter 9, the internal diameter of the cartridge filter 9
It is gradually reduced by air inlet side to outlet side, the inner wall of cartridge filter is along the circumferentially distributed unit filter plate 8 of axial direction, unit filtering
Plate 8 is fan-shaped plate, and is distributed filter hole on unit filter plate 8.
Further, the air inlet open at one end of the mounting cylinder 1, and the affixed mounting plate 5 of open-mouth, mounting plate 5 are fitted in
It is on one side end face of air inlet of mounting cylinder 1 and affixed by fixing bolt 4 and mounting cylinder 1.
Further, the barrel of the cartridge filter 9 is divided into leading portion, middle section, back segment, and close to 9 inlet end of cartridge filter
It is leading portion, and the leading portion of 9 barrel of cartridge filter, middle section, the filter hole aperture on back segment are gradually reduced；Improve filter effect.
Further, along several pieces of partitions 2 of coaxial arrangement in the cartridge filter 9, every piece of partition 2 is equipped with and cartridge filter 9
Corresponding mounting hole, the correspondence mounting hole on every piece of partition of cartridge filter 92, and the inner wall of the outer wall of cartridge filter 9 and corresponding mounting hole
Contact；Facilitate fixed each cartridge filter.
Further, it is distributed with circular through-hole on every piece of partition 2, from the inlet end of mounting cylinder 1 to outlet side,
Through-hole aperture is gradually reduced on corresponding partition 2；Further increase filter effect.
When in use, it by the air inlet pipe of the present apparatus and escape pipe, is connected to gas pipeline, facilitates the particle in filtering steam
Substance closes defeated steam valve door when needing replacing filter core or overhauling to device, by air inlet pipe and escape pipe and extraneous defeated vapour
Pipe separation, opens sealing cover, then unclamps fixing bolt and opens mounting plate, can remove cartridge filter.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of cylinder secondary filter structure of Steam Turbine, including mounting cylinder (1), cartridge filter (9), it is characterised in that:
The mounting cylinder (1) is cylindrical shape, and is fixedly installed with several cartridge filters (9), and cartridge filter (9) in mounting cylinder (1)
It circumferentially arranges in the mounting cylinder (1), and the axis of cartridge filter (9) is parallel with the axis of mounting cylinder (1), cartridge filter (9)
Air inlet port be arranged on the end plate of mounting cylinder (1) air inlet side, in the mounting cylinder (1) inlet end, circular sealing is set
It covers (6), and air inlet pipe (7) are arranged in the outer end of sealing cover (6), mounting cylinder (1) is arranged far from a side end panel of sealing cover (6) and it
The escape pipe (3) of inside connection；
The cartridge filter (9) is taper tubular, and filter hole is distributed on the barrel of cartridge filter (9), the cartridge filter (9) it is interior
Diameter is gradually reduced by air inlet side to outlet side.
2. a kind of cylinder secondary filter structure of Steam Turbine according to claim 1, it is characterised in that: the mounting cylinder
(1) air inlet open at one end, and the affixed mounting plate of open-mouth (5), mounting plate (5) are fitted in one side of air inlet of mounting cylinder (1)
It is on face and affixed by fixing bolt (4) and mounting cylinder (1).
3. a kind of cylinder secondary filter structure of Steam Turbine according to claim 1, it is characterised in that: the cartridge filter
(9) barrel is divided into leading portion, middle section, back segment, and is leading portion close to cartridge filter (9) inlet end, and cartridge filter (9) barrel
Leading portion, middle section, the filter hole aperture on back segment be gradually reduced.
4. a kind of cylinder secondary filter structure of Steam Turbine according to claim 1, it is characterised in that: the cartridge filter
(9) along several pieces of partitions (2) of coaxial arrangement in, every piece of partition (2) is equipped with mounting hole corresponding with cartridge filter (9), cartridge filter
(9) the correspondence mounting hole on every piece of partition (2), and the outer wall of cartridge filter (9) is contacted with the inner wall of corresponding mounting hole.
5. a kind of cylinder secondary filter structure of Steam Turbine according to claim 4, it is characterised in that: described in every piece every
Plate is distributed with circular through-hole on (2), from the inlet end of mounting cylinder (1) to outlet side, on corresponding partition (2) through-hole aperture by
It is decrescence small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920246088.3U CN209549007U (en) | 2019-02-27 | 2019-02-27 | A kind of cylinder secondary filter structure of Steam Turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920246088.3U CN209549007U (en) | 2019-02-27 | 2019-02-27 | A kind of cylinder secondary filter structure of Steam Turbine |
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| Publication Number | Publication Date |
|---|---|
| CN209549007U true CN209549007U (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920246088.3U Active CN209549007U (en) | 2019-02-27 | 2019-02-27 | A kind of cylinder secondary filter structure of Steam Turbine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177709A (en) * | 2021-12-08 | 2022-03-15 | 北京航天益森风洞工程技术有限公司 | High-temperature gas filtering device |
-
2019
- 2019-02-27 CN CN201920246088.3U patent/CN209549007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177709A (en) * | 2021-12-08 | 2022-03-15 | 北京航天益森风洞工程技术有限公司 | High-temperature gas filtering device |
| CN114177709B (en) * | 2021-12-08 | 2024-02-02 | 北京航天益森风洞工程技术有限公司 | High-temperature gas filtering device |
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