CN220828562U - High-pressure main steam regulating valve bushing - Google Patents
High-pressure main steam regulating valve bushing Download PDFInfo
- Publication number
- CN220828562U CN220828562U CN202321529148.5U CN202321529148U CN220828562U CN 220828562 U CN220828562 U CN 220828562U CN 202321529148 U CN202321529148 U CN 202321529148U CN 220828562 U CN220828562 U CN 220828562U
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- Prior art keywords
- joint
- regulating valve
- valve bushing
- bushing
- connecting thread
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 38
- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 4
- 239000010962 carbon steel Substances 0.000 claims abstract description 4
- 230000008719 thickening Effects 0.000 claims description 8
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 1
- 239000003245 coal Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model provides a high-pressure main steam regulating valve bushing, which relates to the technical field of regulating valve bushings and comprises a regulating valve bushing, an upper joint and a lower joint; the upper part of the inner part of the regulating valve bushing is provided with an upper joint which is of a disassembly structure, the lower part of the inner part of the regulating valve bushing is provided with a lower joint which is of a disassembly structure, and the upper joint and the lower joint are vertically symmetrical relative to the central line of the regulating valve bushing; the adjusting valve bushing, the upper joint and the lower joint are made of carbon steel, and are hollow; the upper portion of the inner side wall of the adjusting valve bushing is provided with an upper connecting thread, the outer surface of the lower portion of the upper joint is provided with a first outer connecting thread, and the upper joint is twisted at the upper connecting thread through the first outer connecting thread. The bushing structure is firm, wear-resistant, durable, and tight and reliable in assembly, so that gap leakage is avoided, and the bushing is safe and reliable to use.
Description
Technical Field
The utility model relates to the technical field of regulating valve bushings, in particular to a high-pressure main steam regulating valve bushing.
Background
The pulverized coal flow can be regulated to a certain extent by changing the pulverized coal conveying pressure difference or the conveying air quantity, but the regulation mode is not flexible enough and the regulation range is limited. At present, on the entrained-flow pulverized coal gasification device running in China, an inlet or domestic pulverized coal flow angular travel regulating valve with a special structure is mostly adopted to regulate and control the pulverized coal flow, and the valve becomes one of key valves on the pulverized coal gasification device.
In the specification of the reference "CN211852937U bushing unit and angle adjusting valve" it is mentioned that the bushing unit comprises an inlet bushing structure and an outlet bushing detachably connected to the inlet bushing structure, the inlet bushing structure comprises an inlet bushing for being mounted at a position close to the inlet of the angle adjusting valve and a valve seat provided at one end of the inlet bushing close to the outlet bushing, the outlet bushing is for being mounted at a position corresponding to the outlet of the angle adjusting valve and is provided with an outlet flow opening for communicating with the outlet of the valve, but the bushing unit in the reference is not tightly and firmly mounted, the connection is easy to be a gap, the mounted valve may leak, and the use is not safe and reliable.
Disclosure of utility model
In order to overcome the defects existing in the prior art, a high-pressure main steam regulating valve bushing is provided, so that the problems that the bushing unit in a comparison document is not tightly and firmly installed, gaps are easy to occur in connection, the installed valve is likely to leak, and the use is not safe and reliable are solved.
In order to achieve the above purpose, a high-pressure main steam regulating valve bushing is provided, which comprises a regulating valve bushing, an upper joint and a lower joint; the upper joint is installed on upper portion in the governing valve bush, and the upper joint is the dismantlement structure, the lower part is installed to the lower part in the governing valve bush, and the lower joint is the dismantlement structure, upper joint and lower joint are the upper and lower symmetry about the central line of governing valve bush, and the structural setting of upper joint and lower joint is the same.
Furthermore, the regulating valve bushing, the upper joint and the lower joint are all made of carbon steel, and the regulating valve bushing, the upper joint and the lower joint are all hollow.
Further, the upper portion of the inner side wall of the adjusting valve bushing is provided with an upper connecting thread, the outer surface of the lower portion of the upper joint is provided with a first outer connecting thread, and the upper joint is twisted at the upper connecting thread through the first outer connecting thread.
Further, the outside of governing valve bush is provided with outer wearing layer, and outer wearing layer adopts carborundum material, and the middle part is provided with interior thickening layer in the governing valve bush.
Further, the lower portion of the inner side wall of the adjusting valve bushing is provided with lower connecting threads, the outer surface of the upper portion of the lower joint is provided with second outer connecting threads, and the lower joint is twisted at the lower connecting threads through the second outer connecting threads.
Further, the upper portion of top connection is provided with the opening, is provided with the upper washer between top connection and the internal thickening layer, and the lower part of lower joint is provided with the opening down, is provided with down the packing ring between lower joint and the internal thickening layer to upper washer and lower packing ring all adopt the silicone rubber material.
The utility model has the beneficial effects that:
1. The adjusting valve bushing, the upper joint and the lower joint are made of solid and durable materials, are more corrosion-resistant and wear-resistant, and have longer service life.
2. The upper joint, the lower joint and the regulating valve bushing are assembled or disassembled in a mean square manner, so that the on-site installation is convenient, the disassembly and the replacement are convenient, and the use is flexible and convenient.
3. In the utility model, the upper joint and the inner thickened layer in the regulating valve bushing are separated by the upper gasket, and the lower joint and the inner thickened layer in the regulating valve bushing are separated by the lower gasket, so that the upper joint, the lower joint and the regulating valve bushing are tightly and firmly connected, the gap between the upper joint and the lower joint is reduced, and the upper joint and the lower joint are more stable and firm in use, so that leakage is avoided.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 3 is a schematic diagram illustrating the structural disassembly of an embodiment of the present utility model;
FIG. 4 is an expanded schematic view of the interior of a regulator valve bushing according to an embodiment of the present utility model.
In the figure: 1. a regulator valve bushing; 10. an outer wear layer; 11. an inner thickening layer; 12. connecting threads are arranged on the upper part; 13. a lower connecting thread; 2. an upper joint; 20. a first external connection thread; 21. an upper through opening; 3. an upper gasket; 4. a lower gasket; 5. a lower joint; 50. a second external connection thread; 51. and a lower through hole.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clearly apparent, the present utility model is further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are offered by way of illustration only and not as limitations of the utility model, and specific details such as particular system architectures, techniques, etc. may be set forth in order to provide a more thorough understanding of the embodiments of the utility model. The described embodiments are some, but not all, embodiments of the present disclosure. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.
Specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.
Fig. 1 is a front view schematically showing an embodiment of the present utility model, fig. 2 is a cross-sectional view schematically showing an embodiment of the present utility model, fig. 3 is a structural exploded view schematically showing an embodiment of the present utility model, and fig. 4 is an internal development view schematically showing an adjusting valve bushing according to an embodiment of the present utility model.
Referring to fig. 1 to 4, the present utility model provides a high pressure main steam regulating valve bushing, comprising a regulating valve bushing 1, an upper joint 2 and a lower joint 5; the upper joint 2 is installed to the upper portion in the regulator valve bush 1, and the upper joint 2 is the dismantlement structure, and the lower part is installed to the lower part in the regulator valve bush 1, and the lower joint 5 is the dismantlement structure, and upper joint 2 and lower joint 5 are the upper and lower symmetry about the central line of regulator valve bush 1, and the structural setting of upper joint 2 and lower joint 5 is the same.
In the embodiment, the adjusting valve bushing 1, the upper joint 2 and the lower joint 5 are made of carbon steel, and the adjusting valve bushing 1, the upper joint 2 and the lower joint 5 are hollow; the outside of regulator valve bush 1 is provided with outer wearing layer 10, and outer wearing layer 10 adopts the carborundum material, and the middle part is provided with inner thickening layer 11 in the regulator valve bush 1.
As a preferred embodiment, the adjusting valve bushing 1, the upper joint 2 and the lower joint 5 are made of solid and durable materials, and are more corrosion-resistant and wear-resistant, so that the service life of the adjusting valve bushing is longer.
In the embodiment, the upper part of the inner side wall of the regulating valve bushing 1 is provided with an upper connecting thread 12, the outer surface of the lower part of the upper joint 2 is provided with a first outer connecting thread 20, and the upper joint 2 is twisted at the upper connecting thread 12 through the first outer connecting thread 20; the lower portion of the inner side wall of the regulator valve bush 1 is provided with a lower connecting thread 13, and the upper outer surface of the lower joint 5 is provided with a second external connecting thread 50, and the lower joint 5 is twisted at the lower connecting thread 13 by the second external connecting thread 50.
As a preferred embodiment, the upper joint 2, the lower joint 5 and the regulating valve bushing 1 are convenient to assemble or disassemble, so that the on-site installation is convenient, the disassembly and the replacement are convenient, and the use is flexible and convenient.
In this embodiment, an upper through hole 21 is provided at the upper portion of the upper joint 2, an upper gasket 3 is provided between the upper joint 2 and the inner thickened layer 11, a lower through hole 51 is provided at the lower portion of the lower joint 5, a lower gasket 4 is provided between the lower joint 5 and the inner thickened layer 11, and both the upper gasket 3 and the lower gasket 4 are made of silicone rubber.
As a preferred embodiment, the upper joint 2 and the inner thickening layer 11 in the regulating valve bush 1 are separated by the upper gasket 3, the lower joint 5 and the inner thickening layer 11 in the regulating valve bush 1 are separated by the lower gasket 4, so that the upper joint 2, the lower joint 5 and the regulating valve bush 1 are tightly and firmly connected, gaps among the upper joint 2, the lower joint 5 and the regulating valve bush 1 are reduced, and the upper joint is more stable and firm in use so as not to leak.
The utility model can effectively solve the problems that the installation of the bushing units in the comparison document is not tight and stable, the connection is easy to generate gaps, the installed valve is likely to leak, and the use is not safe and reliable.
The above-described embodiments are intended to illustrate the present utility model, not to limit it, and any modifications and variations made to the present utility model within the spirit of the utility model and the scope of the claims should be included in the scope of the present utility model.
Claims (1)
1. The high-pressure main steam regulating valve bushing is characterized by comprising a regulating valve bushing (1), an upper joint (2) and a lower joint (5); an upper joint (2) is arranged at the inner upper part of the regulating valve bushing (1), the upper joint (2) is of a disassembly structure, a lower joint (5) is arranged at the inner lower part of the regulating valve bushing (1), the lower joint (5) is of a disassembly structure, the upper joint (2) and the lower joint (5) are vertically symmetrical relative to the central line of the regulating valve bushing (1), and the upper joint (2) and the lower joint (5) are of the same structure;
The adjusting valve bushing (1), the upper joint (2) and the lower joint (5) are made of carbon steel, and the adjusting valve bushing (1), the upper joint (2) and the lower joint (5) are hollow;
An upper connecting thread (12) is arranged on the upper part of the inner side wall of the regulating valve bushing (1), a first external connecting thread (20) is arranged on the outer surface of the lower part of the upper joint (2), and the upper joint (2) is twisted at the upper connecting thread (12) through the first external connecting thread (20);
An outer wear-resistant layer (10) is arranged outside the regulating valve bushing (1), the outer wear-resistant layer (10) is made of silicon carbide, and an inner thickening layer (11) is arranged in the middle of the regulating valve bushing (1);
the lower part of the inner side wall of the regulating valve bushing (1) is provided with a lower connecting thread (13), the outer surface of the upper part of the lower joint (5) is provided with a second external connecting thread (50), and the lower joint (5) is twisted at the lower connecting thread (13) through the second external connecting thread (50);
The upper part of the upper joint (2) is provided with an upper through hole (21), an upper gasket (3) is arranged between the upper joint (2) and the inner thickened layer (11), the lower part of the lower joint (5) is provided with a lower through hole (51), a lower gasket (4) is arranged between the lower joint (5) and the inner thickened layer (11), and the upper gasket (3) and the lower gasket (4) are made of silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321529148.5U CN220828562U (en) | 2023-06-15 | 2023-06-15 | High-pressure main steam regulating valve bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321529148.5U CN220828562U (en) | 2023-06-15 | 2023-06-15 | High-pressure main steam regulating valve bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220828562U true CN220828562U (en) | 2024-04-23 |
Family
ID=90727927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321529148.5U Active CN220828562U (en) | 2023-06-15 | 2023-06-15 | High-pressure main steam regulating valve bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220828562U (en) |
-
2023
- 2023-06-15 CN CN202321529148.5U patent/CN220828562U/en active Active
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