CN214999507U - High-pressure temperature and pressure reducing valve with safety valve function - Google Patents
High-pressure temperature and pressure reducing valve with safety valve function Download PDFInfo
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- CN214999507U CN214999507U CN202120463969.8U CN202120463969U CN214999507U CN 214999507 U CN214999507 U CN 214999507U CN 202120463969 U CN202120463969 U CN 202120463969U CN 214999507 U CN214999507 U CN 214999507U
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Abstract
The utility model provides a high pressure temperature and pressure reducing valve with relief valve function, belongs to valve high pressure decompression technical field, including valve body, valve gap, valve cage, disk seat, valve plug, go up four and close the ring, four close the ring down, circle tray, screw, supplementary steam channel, its characterized in that: the improved steam-water boiler is characterized in that a valve cover is inserted into the circle center of the upper top end surface of the valve body, a valve cage is arranged below the valve body, a valve seat is arranged at the circle center of the lower edge of the interior of the valve body, a valve plug is inserted into the lower portion of the interior of the valve seat, four upper closed rings are inserted into the periphery of the top end surface of the interior of the valve body, four lower closed rings are evenly distributed in the periphery of the middle of the top end surface of the interior of the valve body, a circular tray is arranged at the circle center of the lower top end surface of the four lower closed rings, a plurality of screws are evenly distributed at the periphery of the top end surface of the circular tray, a plurality of auxiliary steam channels are evenly distributed at the periphery of the upper top end surface of the valve body, an instruction of opening the valve is received, the valve is opened instantly, boiler pressure is reduced, and a safety valve is achieved.
Description
The technical field is as follows:
the utility model belongs to the technical field of high-pressure steam cooling pressure-reducing valve apparatus, concretely relates to high pressure temperature-reducing relief pressure valve with relief valve function.
Background art:
in long-term working practice, in a power plant, superheated steam generated by a boiler needs to work at a steam turbine, then the steam turbine drives a generator to generate electricity, and energy conversion is completed, wherein in the operation process of equipment, if the steam turbine or the generator breaks down, at the moment, the steam generated by the boiler cannot enter the steam turbine any more, the steam is immediately led to bypass, and the temperature-reducing and pressure-reducing valve plays a role of bypassing.
The utility model has the following contents:
the utility model aims at: in order to solve the unit when getting rid of the load, open this temperature and pressure reduction valve fast, with high temperature high pressure steam decompression, desuperheat, simultaneously, eliminate easy vibration of inferior equipment, phenomenon such as noise is big, its technical scheme as follows:
the utility model provides a high pressure temperature and pressure reduction valve with relief valve function, it includes valve body 1, valve gap 2, valve cage 3, disk seat 4, valve plug 5, goes up four and closes ring 6, four lower ring 7, circle tray 8, screw 9, supplementary steam channel 10, its characterized in that: a valve cover 2 is inserted into the center of the circle of the upper top surface of the valve body 1, a valve cage 3 is inserted into the center of the circle of the lower bottom surface of the valve body 1, a valve seat 4 is inserted into the center of the circle of the lower bottom edge of the interior of the valve body 1, a valve plug 5 is inserted into the center of the circle of the lower bottom surface of the interior of the valve body 4, upper four-ring rings 6 are inserted into the periphery of the top surface of the interior of the valve body 1 in an evenly distributed manner, lower four-ring rings 7 are inserted into the periphery of the top surface of the interior of the valve body 1 in an evenly distributed manner, a circular tray 8 is arranged at the center of the circle of the lower top surface of the lower four-ring 7, a plurality of screws 9 are inserted into the periphery of the top surface of the circular tray 8 in an evenly distributed manner, a plurality of auxiliary steam channels 10 are arranged on the periphery of the upper top surface of the valve plug 5 in an evenly distributed manner, the valve cage 3 comprises an inner pipe 3-1, an outer pipe 3-2 and a through hole 3-3, a through hole 3 is inserted into the lower portion of the top surface of the outer pipe 3-2, the valve is characterized in that a plurality of through holes 3-3 are formed in the lower edge of the top end surface of the inner pipe 3-1 and the outer pipe 3-2, the valve plug 5 is inserted in the center of the inner circle of the inner pipe 3-1, the upper four-way ring 6 is composed of four quarter-circle rings, the four rings are evenly distributed on the side surface of the inner part of the valve body 1, and the lower four-way ring 7 and the upper four-way ring 6 are identical in shape.
The utility model has the advantages that: when the steam in the boiler is in overpressure, the command of opening the valve is received, the valve is opened instantly to reduce the pressure of the boiler, the function of a safety valve is achieved, and meanwhile, the discharged steam is subjected to pressure reduction and temperature reduction in sequence and is recycled, so that waste of working media is avoided.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the valve cage 3 of the present invention;
the specific implementation mode is as follows:
referring to fig. 1 and 2, the high-pressure temperature and pressure reducing valve with the safety valve function comprises a valve body 1, a valve cover 2, a valve cage 3, a valve seat 4, a valve plug 5, an upper four-ring 6, a lower four-ring 7, a circular tray 8, a screw 9 and an auxiliary steam channel 10, and is characterized in that: a valve cover 2 is inserted into the center of the circle of the upper top surface of the valve body 1, a valve cage 3 is inserted into the center of the circle of the lower bottom surface of the valve body 1, a valve seat 4 is inserted into the center of the circle of the lower bottom edge of the interior of the valve body 1, a valve plug 5 is inserted into the center of the circle of the lower bottom surface of the interior of the valve body 4, upper four-ring rings 6 are inserted into the periphery of the top surface of the interior of the valve body 1 in an evenly distributed manner, lower four-ring rings 7 are inserted into the periphery of the top surface of the interior of the valve body 1 in an evenly distributed manner, a circular tray 8 is arranged at the center of the circle of the lower top surface of the lower four-ring 7, a plurality of screws 9 are inserted into the periphery of the top surface of the circular tray 8 in an evenly distributed manner, a plurality of auxiliary steam channels 10 are arranged on the periphery of the upper top surface of the valve plug 5 in an evenly distributed manner, the valve cage 3 comprises an inner pipe 3-1, an outer pipe 3-2 and a through hole 3-3, a through hole 3 is inserted into the lower portion of the top surface of the outer pipe 3-2, the valve is characterized in that a plurality of through holes 3-3 are formed in the lower edge of the top end surface of the inner pipe 3-1 and the outer pipe 3-2, the valve plug 5 is inserted in the center of the inner circle of the inner pipe 3-1, the upper four-way ring 6 is composed of four quarter-circle rings, the four rings are evenly distributed on the side surface of the inner part of the valve body 1, and the lower four-way ring 7 and the upper four-way ring 6 are identical in shape.
During the use, at first go up four and close ring 6 and can fasten at any time and dismantle valve gap 2, four lower ring 7 that close can fasten at any time and dismantle valve cage 3, high pressure can prevent that disk seat 4 from shifting up when getting into in the valve body 1 to steam gets into inside the valve body 1 when valve plug 5 lifts up, and steps down through-hole 3-3 and the step-down board on the valve cage 3, and a small amount of steam forms the water smoke through the cooperation of supplementary steam channel 10 entering cooling nozzle in with cooling water and cools down simultaneously.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (3)
1. The utility model provides a high pressure temperature and pressure reduction valve with relief valve function, includes valve body (1), valve gap (2), valve cage (3), disk seat (4), valve plug (5), goes up four and closes ring (6), four lower ring (7), circle tray (8), screw (9), supplementary steam channel (10), its characterized in that: a valve cover (2) is inserted in the center of the circle on the surface of the upper top end of the valve body (1), a valve cage (3) is inserted in the center of the circle below the interior of the valve body (1), a valve seat (4) is inserted at the circle center of the lower edge inside the valve body (1), a valve plug (5) is inserted at the circle center of the lower part inside the valve seat (4), four upper closed rings (6) are evenly distributed and inserted on the periphery of the top end surface of the inner side of the valve body (1), the periphery of the middle part of the top end surface of the inner side of the valve body (1) is evenly distributed and inserted with a lower four-ring (7), a circular tray (8) is arranged at the circle center of the surface of the lower top end of the lower four-closed ring (7), a plurality of screws (9) are evenly distributed and inserted at the edge of the periphery of the surface of the upper top end of the round tray (8), the periphery of the upper top end surface of the valve plug (5) is evenly provided with a plurality of auxiliary steam channels (10).
2. A high-pressure temperature-reducing and pressure-reducing valve with a safety valve function according to claim 1, characterized in that: the valve cage (3) comprises an inner pipe (3-1), an outer pipe (3-2) and through holes (3-3), the outer pipe (3-2) is inserted below the top end surface of the outer side of the inner pipe (3-1), a plurality of through holes (3-3) are formed in the lower edge positions of the top end surfaces of the inner pipe (3-1) and the outer pipe (3-2), and the valve plug (5) is inserted in the center of a circle inside the inner pipe (3-1).
3. A high-pressure temperature-reducing and pressure-reducing valve with a safety valve function according to claim 1, characterized in that: the upper four-closed ring (6) is composed of four quarter circular rings, the four circular rings are evenly distributed on the inner side surface of the valve body (1), and the lower four-closed ring (7) is the same as the upper four-closed ring (6) in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120463969.8U CN214999507U (en) | 2021-03-03 | 2021-03-03 | High-pressure temperature and pressure reducing valve with safety valve function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120463969.8U CN214999507U (en) | 2021-03-03 | 2021-03-03 | High-pressure temperature and pressure reducing valve with safety valve function |
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| Publication Number | Publication Date |
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| CN214999507U true CN214999507U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120463969.8U Active CN214999507U (en) | 2021-03-03 | 2021-03-03 | High-pressure temperature and pressure reducing valve with safety valve function |
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| CN (1) | CN214999507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508595A (en) * | 2022-02-28 | 2022-05-17 | 武汉锅炉集团阀门有限责任公司 | Pressure-regulating and temperature-regulating steam valve |
-
2021
- 2021-03-03 CN CN202120463969.8U patent/CN214999507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508595A (en) * | 2022-02-28 | 2022-05-17 | 武汉锅炉集团阀门有限责任公司 | Pressure-regulating and temperature-regulating steam valve |
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