CN112628414A - Be used for turbine waste heat flue to adjust flue gas valve plate - Google Patents
Be used for turbine waste heat flue to adjust flue gas valve plate Download PDFInfo
- Publication number
- CN112628414A CN112628414A CN202011544940.9A CN202011544940A CN112628414A CN 112628414 A CN112628414 A CN 112628414A CN 202011544940 A CN202011544940 A CN 202011544940A CN 112628414 A CN112628414 A CN 112628414A
- Authority
- CN
- China
- Prior art keywords
- valve plate
- plate
- valve
- connecting sleeve
- waste heat
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/222—Shaping of the valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention provides a flue gas regulating valve plate for a turbine waste heat flue, which comprises a valve rod, a valve plate connecting sleeve, a fastening bolt plate, a valve plate and a rib plate, wherein the valve plate connecting sleeve is sleeved on the valve rod; the fastening bolt plate penetrates through the valve rod and the valve plate connecting sleeve to enable the valve rod and the valve plate connecting sleeve to be fixed with each other; the valve rod is provided with a plurality of through holes in the part, located in the circular area covered by the valve plate, each rib plate which is longitudinally arranged is provided with one through hole corresponding to the position of the rib plate, and the axis of each through hole is perpendicular to the plane of the valve plate. The rib plate has a more reasonable structure, the strength is improved exponentially, the bending deformation under the pressure of smoke is resisted, and the problems of valve plate clamping stagnation and inflexible rotation are solved.
Description
Technical Field
The invention relates to the technical field of turbine waste heat utilization, in particular to a flue gas regulating valve plate for a turbine waste heat flue.
Background
The turbine waste heat generating flue valve is installed on a turbine waste heat flue, the nominal diameter of a valve plate is 1.2m-2m, the valve is in a pneumatic action mode and used for adjusting the flow of waste heat flue gas participating in heat exchange, the working temperature is about 400 ℃, the valve is frequently actuated during working, the valve plate is deformed due to creep of the high-temperature valve plate of the flue gas and the exhaust pressure of the flue gas, so that the valve rod is frequently suddenly broken, the valve plate is bent and deformed in the opening adjusting process, and the normal use of the turbine waste heat is influenced. Therefore, the valve plate of the turbine waste heat smoke plate valve needs to be solved, the conditions of valve rod fracture, integral bending deformation and clamping stagnation are generated, and the technical scheme that the valve can normally operate for a long time is guaranteed.
Disclosure of Invention
In order to solve the problems, the invention provides a flue gas regulating valve plate for a turbine waste heat flue.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a valve plate for regulating flue gas of a turbine waste heat flue comprises a valve rod, a valve plate connecting sleeve, a fastening bolt plate, a valve plate and a rib plate, wherein the valve plate connecting sleeve is sleeved on the valve rod, the valve plate is a circular plate formed by splicing two semicircular plates, the valve rod penetrates through the valve plate, the rib plate is arranged in a transverse and longitudinal staggered mode, and the valve plate connecting sleeve, the valve plate and the rib plate are welded into a whole; the fastening bolt plate penetrates through the valve rod and the valve plate connecting sleeve to enable the valve rod and the valve plate connecting sleeve to be fixed with each other; the valve rod is provided with a plurality of through holes in the part located in the circular area covered by the valve plate, the axes of the through holes are perpendicular to the plane of the valve plate, and mounting holes are also formed in the positions, corresponding to the through holes, of the valve plate and the rib plate.
The number of the rib plates on each side of the valve plate is 16, and the rib plates are arranged in a 4 x 4 mode.
The valve rod is made of round steel.
The valve plate connecting sleeve is a seamless steel pipe.
The rib plates are made of steel plates with the length and width of 50mm and the thickness of 10 mm.
The fastening bolt plate is a bolt for single-end reaming.
Compared with the prior art, the invention has the beneficial effects that:
1. the valve plate is made of a material which is more resistant to high temperature than the original common material, and does not creep after long-time use, and the valve rod is not broken, so that the service life is prolonged;
2. the concentricity of the two ends of the valve rod and the axle center of the valve body installation is high, the rotation is flexible, the disassembly and the maintenance can be realized for the bolt connection, and the maintenance cost is reduced;
3. the rib plate has a more reasonable structure, the strength is improved exponentially, the bending deformation under the pressure of smoke is resisted, and the problems of valve plate clamping stagnation and inflexible rotation are solved.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a left side view of the present invention.
Detailed Description
The invention is further illustrated by the following specific embodiments.
The flue gas regulating valve plate for the turbine waste heat flue, as shown in fig. 1-3, comprises a valve rod 1, a valve plate connecting sleeve 2, a fastening bolt plate 3, a valve plate 4 and a rib plate 5, wherein the valve plate connecting sleeve 2 is sleeved on the valve rod 1, the valve plate 4 is a circular plate formed by splicing two semicircular plates, the valve rod 1 penetrates through the valve plate 4, the rib plate 5 is arranged in a transverse and longitudinal staggered manner, and the valve plate connecting sleeve 2, the valve plate 4 and the rib plate 5 are welded into a whole; the fastening bolt plate 3 penetrates through the valve rod 1 and the valve plate connecting sleeve 2, so that the valve rod 1 and the valve plate connecting sleeve 2 are fixed with each other; the part of the valve rod 1, which is positioned in the circular area covered by the valve plate 4, is provided with a plurality of through holes 6, each rib plate 5 which is longitudinally arranged is provided with one through hole 6 corresponding to the position of the rib plate 5, the axis of each through hole 6 is vertical to the plane of the valve plate 4, and the valve rod 1 is in clearance fit with the valve plate connecting sleeve 2. In this embodiment, the rib plate 5 is made of a steel plate with a length and width of 50mm and a thickness of 10mm, the valve rod 1 is made of round steel, the valve plate connecting sleeve 2 is made of a seamless steel pipe, and the fastening bolt plate 3 is a bolt for single-end reaming. The rib plates 5 are distributed on two sides of the valve plate 4, the number of the rib plates 5 on each side of the valve plate 4 is 16, the rib plates are arranged in a 4 x 4 mode, and the corresponding positions of the through holes 6 and the rib plates 5 are shown in figure 2. The valve plate 4 and the rib plate 5 are also provided with mounting holes at positions corresponding to the through holes 6, and welded valve plate components are mounted in the valve in the using and mounting process, aligned with the through holes 6 and fixed by fixing screws. The valve plate has the advantages that the strength of the valve plate is improved in a doubling mode through the special rib plate structure, the valve plate is prevented from being bent and deformed, the valve rod can be conveniently drawn out to detach the valve plate for maintenance when the valve plate breaks down in the using process, the heat-resistant steel prevents the valve plate from high-temperature creep, the concentricity of the valve rod is high, deformation is avoided after heating, and the service life is prolonged.
The above description is only for the preferred embodiment of the present invention, but the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes and modifications without departing from the inventive concept of the present invention, which falls into the protection scope of the present invention.
Claims (6)
1. A flue gas regulating valve plate for a turbine waste heat flue is characterized by comprising a valve rod (1), a valve plate connecting sleeve (2), a fastening bolt plate (3), a valve plate (4) and a rib plate (5), wherein the valve plate connecting sleeve (2) is sleeved on the valve rod (1), the valve plate (4) is a circular plate formed by splicing two semicircular plates, and the valve rod (1) penetrates through the valve plate (4); the rib plates (5) are distributed on two sides of the valve plate (4), the rib plates (5) are arranged in a grid shape, and the valve plate connecting sleeve (2), the valve plate (4) and the rib plates (5) are welded into a whole; the fastening bolt plate (3) penetrates through the valve rod (1) and the valve plate connecting sleeve (2) to enable the valve rod (1) and the valve plate connecting sleeve (2) to be fixed with each other; the valve is characterized in that a plurality of through holes (6) are formed in the valve rod (1) in the circular area covered by the valve plate (4), the axis of each through hole (6) is perpendicular to the plane of the valve plate (4), and mounting holes are formed in the positions, corresponding to the through holes (6), of the valve plate (4) and the rib plates (5).
2. The flue gas valve plate for turbine waste heat flue conditioning according to claim 1, wherein the number of the rib plates (5) on each side of the valve plate (4) is 16, and the rib plates are arranged in a 4 x 4 manner.
3. The flue gas valve plate for turbine waste heat flue conditioning as claimed in claim 1, wherein the valve stem (1) is round steel.
4. The flue gas valve plate for turbine waste heat flue conditioning as claimed in claim 1, wherein the valve plate connecting sleeve (2) is a seamless steel pipe.
5. The flue gas valve plate for turbine waste heat flue regulation according to claim 1, wherein the rib plate (5) is a steel plate with a length and width of 50mm and a thickness of 10 mm.
6. The flue gas valve plate for turbine waste heat flue conditioning as set forth in claim 1, wherein the fastening bolt plate (3) is a bolt for single-headed reaming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011544940.9A CN112628414A (en) | 2020-12-23 | 2020-12-23 | Be used for turbine waste heat flue to adjust flue gas valve plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011544940.9A CN112628414A (en) | 2020-12-23 | 2020-12-23 | Be used for turbine waste heat flue to adjust flue gas valve plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112628414A true CN112628414A (en) | 2021-04-09 |
Family
ID=75322073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011544940.9A Withdrawn CN112628414A (en) | 2020-12-23 | 2020-12-23 | Be used for turbine waste heat flue to adjust flue gas valve plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112628414A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202302015U (en) * | 2011-09-20 | 2012-07-04 | 铜陵祥云消防科技有限责任公司 | Valve plate with high strength |
| CN202812385U (en) * | 2012-09-02 | 2013-03-20 | 浙江科海仪表有限公司 | Butt-welded anti-blockage gas flue butterfly valve |
| CN203162187U (en) * | 2013-04-26 | 2013-08-28 | 何建慧 | Reinforcing rib structure for valve plate of butterfly valve |
| US20190277408A1 (en) * | 2016-07-20 | 2019-09-12 | Asahi Yukizai Corporation | Butterfly valve |
| CN214367795U (en) * | 2020-12-23 | 2021-10-08 | 中海油能源发展股份有限公司 | Be used for turbine waste heat flue to adjust flue gas valve plate |
-
2020
- 2020-12-23 CN CN202011544940.9A patent/CN112628414A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202302015U (en) * | 2011-09-20 | 2012-07-04 | 铜陵祥云消防科技有限责任公司 | Valve plate with high strength |
| CN202812385U (en) * | 2012-09-02 | 2013-03-20 | 浙江科海仪表有限公司 | Butt-welded anti-blockage gas flue butterfly valve |
| CN203162187U (en) * | 2013-04-26 | 2013-08-28 | 何建慧 | Reinforcing rib structure for valve plate of butterfly valve |
| US20190277408A1 (en) * | 2016-07-20 | 2019-09-12 | Asahi Yukizai Corporation | Butterfly valve |
| CN214367795U (en) * | 2020-12-23 | 2021-10-08 | 中海油能源发展股份有限公司 | Be used for turbine waste heat flue to adjust flue gas valve plate |
Non-Patent Citations (1)
| Title |
|---|
| 杨天郁等: "透平废热烟道气动蝶阀结构优化方案研究", 《机械工程师》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210409 |