CN220434866U - Damping tool for upper flue of high-temperature gas cooled reactor diesel generator - Google Patents
Damping tool for upper flue of high-temperature gas cooled reactor diesel generator Download PDFInfo
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- CN220434866U CN220434866U CN202322183043.5U CN202322183043U CN220434866U CN 220434866 U CN220434866 U CN 220434866U CN 202322183043 U CN202322183043 U CN 202322183043U CN 220434866 U CN220434866 U CN 220434866U
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- expansion joint
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- 238000013016 damping Methods 0.000 title claims abstract description 11
- 230000035939 shock Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 235000019504 cigarettes Nutrition 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a damping tool for an upper flue of a high-temperature gas cooled reactor diesel generator, which comprises a diesel generator body, an exhaust pipe, an upper flue, a fixed bracket and an expansion joint, wherein the upper flue is provided with a lower flue; the first end of the exhaust pipe is connected with the diesel generator body, and the second end of the exhaust pipe is connected with the upper flue; the exhaust of the diesel generator body is converged to the upper flue through the exhaust pipe; the upper flue is provided with an expansion joint extending along the axial direction of the upper flue, the first end of the fixing support is fixed on the diesel generator body, the second end of the fixing support is fixed on the upper flue, and the fixing support is close to the expansion joint. The utility model has the technical effects that the design is reasonable, the upper flue can be well supported, the axial vibration of the upper flue can be reduced, and the service life of the upper flue is prolonged.
Description
Technical Field
The utility model belongs to the technical field of high-temperature gas cooled reactor diesel generators, and particularly relates to a damping tool for an upper flue of a high-temperature gas cooled reactor diesel generator.
Background
The high-temperature gas cooled reactor emergency diesel generator set is arranged into two independent safe power supply sequences according to the division of two emergency shutdown and a special safety facility load group of each reactor. The power supply requirements of low-voltage equipment of other systems such as low-voltage power consumption of a main control room, partial illumination power consumption, power consumption of a reactor factory accident negative pressure ventilation system and the like can be met, and the phenomenon that the low-voltage equipment of the main control room, the illumination, the reactor factory accident negative pressure ventilation system and the like is unavailable due to power failure of a normal alternating current external power supply system is prevented.
The emergency diesel generator set requires that the set should start power supply within a specified time when the normal power supply outside the plant is completely lost, and provides electric energy for process system loads which are shared by two stacks and are safe auxiliary loads and necessary unsafe loads and are allowed to be interrupted for a certain time and are specified on an emergency bus according to the requirements of a load program.
The diesel generator will generate large vibrations during normal operation, which will affect some of the pipes, including the flue pipe. The upper flue pipeline of the high-temperature gas cooled reactor diesel generator is not supported, but is supported by the expansion joints at the two ends under the stress. When the diesel generator runs with 10% load, the exhaust manifold behind the diesel engine cylinder cover is found to smoke, the black liquid flows out at the sealing position of the expansion joint and the flue after stopping inspection, and the expansion joint is inspected, so that cracks are found on the surface of the expansion joint.
The expansion joint has the function of reducing the damage of axial vibration to a flue pipeline, has no hard supporting function, and the upper flue of the existing diesel generator is supported by a supporting component for a long time to bear the stress in the operation process, so that the joint of the expansion joint and the flue is broken by the stress to leak smoke, and the service life of the expansion joint is greatly reduced.
Disclosure of Invention
The utility model aims at solving at least one of the technical problems existing in the prior art and provides a novel technical scheme of a damping tool for an upper flue of a high-temperature gas cooled reactor diesel generator.
According to one aspect of the present application there is provided a damping tool for an upper stack of a high temperature gas cooled reactor diesel generator comprising:
the diesel generator comprises a diesel generator body, an exhaust pipe and an upper flue, wherein the first end of the exhaust pipe is connected with the diesel generator body, and the second end of the exhaust pipe is connected with the upper flue; the exhaust of the diesel generator body is converged to the upper flue through the exhaust pipe;
the diesel generator comprises a fixed bracket and an expansion joint, wherein the expansion joint axially extending along the upper flue is arranged on the upper flue, the first end of the fixed bracket is fixed on the diesel generator body, the second end of the fixed bracket is fixed on the upper flue, and the fixed bracket is close to the expansion joint.
Optionally, the diesel generator body is provided with a bolt, and the first end of the fixing support is fixed on the diesel generator body through the bolt.
Optionally, the upper flue is fixed to the second end of the fixing bracket by a clip.
Optionally, the clamp includes U-shaped joint spare and connecting plate, the connecting plate is located the second end of fixed bolster, U-shaped joint spare cover is located upper portion flue, U-shaped joint spare and connecting plate detachably link together, so that will the second end of fixed bolster is fixed in upper portion flue.
Optionally, a first expansion joint and a second expansion joint are respectively arranged at two ends of the upper flue;
two supporting points are formed on the upper flue, one supporting point is positioned on one side of the first expansion joint, which is close to the second expansion joint, and the other supporting point is positioned on one side of the second expansion joint, which is close to the first expansion joint;
the second ends of the two fixing brackets are respectively fixed at two supporting points.
Optionally, a plurality of exhaust pipes are connected between the diesel generator body and the upper flue.
Optionally, the damping tool for the upper flue of the high-temperature gas cooled reactor diesel generator further comprises an air inlet pipeline, wherein the air inlet pipeline is connected with the diesel generator body so as to input gas into the diesel generator body.
Optionally, an air inlet is formed at one end of the air inlet pipeline far away from the diesel generator body, and a supercharger compressor is arranged at the position of the air inlet pipeline close to the air inlet; an air outlet is formed at one end of the upper flue, which is far away from the diesel generator body, and a supercharger exhaust turbine is arranged at the position of the upper flue, which is close to the air outlet.
Optionally, an air filter is disposed on the air inlet pipe, and the air filter is located between the supercharger compressor and the air inlet.
Optionally, a low-temperature cooler is arranged on the air inlet pipeline, and the low-temperature cooler is located between the diesel generator body and the supercharger compressor.
One technical effect of the present application is:
in this application embodiment, be provided with the expansion joint that extends along upper portion flue axial on the upper portion flue, the first end of fixed bolster is fixed in the diesel generator body, and the second end is fixed in the upper portion flue, and the fixed bolster is close to the expansion joint. The fixed bolster can provide stable rigid support for diesel generator's upper portion flue, reduces the vibration when diesel generator operates to upper portion flue's influence, and the axial vibration that upper portion flue produced because of the diesel generator vibration when operating can be reduced better to the inflation simultaneously, has prolonged upper portion flue's life to reduce upper portion flue's possibility of leaking the cigarette.
Drawings
FIG. 1 is a schematic view of a shock absorbing tool for an upper flue of a high temperature gas cooled reactor diesel generator according to an embodiment of the present utility model;
fig. 2 is a schematic structural view of a clamp of a damping tool for an upper flue of a high temperature gas cooled reactor diesel generator according to an embodiment of the present utility model.
In the figure: 1. a diesel generator body; 2. an exhaust pipe; 3. an upper flue; 4. a fixed bracket; 51. a first expansion joint; 52. a second expansion joint; 6. a clamp; 61. a U-shaped clamping piece; 62. a connecting plate; 7. an air intake duct; 8. a cryocooler; 9. a booster compressor; 10. a supercharger exhaust turbine; 11. an air cleaner.
Detailed Description
Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise.
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The features of the terms "first", "second", and the like in the description and in the claims of this application may be used for descriptive or implicit inclusion of one or more such features. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
According to one aspect of the present application, referring to fig. 1, there is provided a damping tool for an upper stack of a high temperature gas cooled reactor diesel generator, comprising:
the diesel generator comprises a diesel generator body 1, an exhaust pipe 2 and an upper flue 3, wherein a first end of the exhaust pipe 2 is connected with the diesel generator body 1, and a second end of the exhaust pipe is connected with the upper flue 3; the exhaust gas of the diesel generator body 1 is converged to the upper flue 3 through the exhaust pipe 2;
the diesel generator comprises a fixed support 4 and an expansion joint, wherein the expansion joint axially extending along the upper flue 3 is arranged on the upper flue 3, the first end of the fixed support 4 is fixed on the diesel generator body 1, the second end of the fixed support is fixed on the upper flue 3, and the fixed support 4 is close to the expansion joint.
In this embodiment, be provided with the expansion joint that extends along upper portion flue 3 axial on the upper portion flue 3, the first end of fixed bolster 4 is fixed in diesel generator body 1, and the second end is fixed in upper portion flue 3, and fixed bolster 4 is close to the expansion joint. The fixed support 4 can provide stable and hard support for the upper flue 3 of the diesel generator, so that the influence of vibration on the upper flue 3 when the diesel generator operates is reduced; meanwhile, the expansion energy can well reduce the axial vibration of the upper flue 3 caused by the vibration of the diesel generator during operation, prolong the service life of the upper flue 3 and reduce the possibility of smoke leakage of the upper flue 3.
Optionally, a bolt is provided on the diesel generator body 1, and the first end of the fixing bracket 4 is fixed on the diesel generator body 1 through the bolt. The diesel generator body 1 and the fixed support 4 are connected in a simple mode, and operation is convenient.
Optionally, the upper flue 3 is fixed to the second end of the fixing bracket 4 by a clip 6. This helps to firmly fix the upper flue 3 to the second end of the fixing bracket 4, effectively reducing axial vibration of the upper flue 3 due to vibration when the diesel generator is operated.
Optionally, referring to fig. 2, the clip 6 includes a U-shaped clamping member 61 and a connecting plate 62, the connecting plate 62 is located at the second end of the fixing bracket 4, the U-shaped clamping member 61 is sleeved on the upper flue 3, and the U-shaped clamping member 61 and the connecting plate 62 are detachably connected together to fix the second end of the fixing bracket 4 to the upper flue 3. This makes the structure of the collar 6 reasonable, facilitating a fast and secure fixing of the upper flue 3 to the second end of the fixing bracket 4.
Alternatively, the two ends of the upper flue 3 are respectively provided with a first expansion joint 51 and a second expansion joint 52;
two supporting points are formed on the upper flue 3, one of the supporting points is positioned on one side of the first expansion joint 51, which is close to the second expansion joint 52, and the other supporting point is positioned on one side of the second expansion joint 52, which is close to the first expansion joint 51;
the second ends of the two fixing brackets 4 are respectively fixed at two supporting points.
In the above embodiment, the upper flue 3 is supported by the two fixing brackets 4, so that the stability of the structure is better; each fixing bracket 4 corresponds to one expansion joint, so that the influence of the axial vibration force of the upper flue 3 on the service life of the upper flue 3 is reduced.
Optionally, a plurality of exhaust pipes 2 are connected between the diesel generator body 1 and the upper flue 3. The exhaust of the diesel generator body 1 can be preferably realized by the plurality of exhaust pipes 2.
Optionally, the damping tool for the upper flue of the high-temperature gas cooled reactor diesel generator further comprises an air inlet pipeline 7, wherein the air inlet pipeline 7 is connected with the diesel generator body 1 so as to input gas into the diesel generator body 1. The air inlet of the diesel generator body 1 can be well ensured through the air inlet pipeline 7, so that the stability of the working performance of the diesel generator body 1 is ensured.
Optionally, an air inlet is formed at one end of the air inlet pipeline 7 far away from the diesel generator body 1, and a supercharger compressor 9 is arranged at a position of the air inlet pipeline 7 near the air inlet; an air outlet is formed at one end of the upper flue 3 far away from the diesel generator body 1, and a supercharger exhaust turbine 10 is arranged at the position of the upper flue 3 close to the air outlet.
In the above embodiment, fresh air enters the booster compressor 9 to pass through the high-speed running impeller, the air pressure is increased under the function of the diffusion area and enters the diesel generator body 1, and the air temperature is increased; the supercharger exhaust turbine 10 is mainly constituted by a turbine, a compressor, and the like. The exhaust gas discharged from the diesel generator body 1 is introduced into the turbine, and the turbine is driven to rotate by the energy of the exhaust gas, thereby driving the compressor coaxial with the turbine to realize supercharging.
Optionally, an air filter 11 is provided on the air intake duct 7, and the air filter 11 is located between the supercharger compressor 9 and the air intake. The air filter 11 can effectively filter the air entering the diesel generator body 1, and the stability of the working performance of the diesel generator body 1 is well ensured.
Optionally, a cryocooler 8 is provided on the air intake duct 7, the cryocooler 8 being located between the diesel generator body 1 and the supercharger compressor 9. The cryocooler 8 can cool the raised air, and the cooled air enters the diesel generator body 1 to realize the air inlet flow of the diesel generator body 1.
In this application embodiment, after reforming transform the upper portion flue 3 of high temperature gas cooled reactor diesel generator, carry out periodic start test, carry out vibration test to the pipeline of upper portion flue 3, vibration result is qualified, after a period of operation, upper portion flue 3 no longer takes place the cigarette accident, reform transform the effect obviously to can prove that this a shock attenuation instrument for high temperature gas cooled reactor diesel generator upper portion flue has better shock attenuation effect, help prolonging the life of upper portion flue 3, and reduce the possibility that upper portion flue 3 leaks cigarette.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (10)
1. A shock absorbing tool for an upper flue of a high temperature gas cooled reactor diesel generator, comprising:
the diesel generator comprises a diesel generator body, an exhaust pipe and an upper flue, wherein the first end of the exhaust pipe is connected with the diesel generator body, and the second end of the exhaust pipe is connected with the upper flue; the exhaust of the diesel generator body is converged to the upper flue through the exhaust pipe;
the diesel generator comprises a fixed bracket and an expansion joint, wherein the expansion joint axially extending along the upper flue is arranged on the upper flue, the first end of the fixed bracket is fixed on the diesel generator body, the second end of the fixed bracket is fixed on the upper flue, and the fixed bracket is close to the expansion joint.
2. The shock absorbing tool for an upper flue of a high temperature gas cooled reactor diesel generator according to claim 1, wherein a bolt is provided on the diesel generator body, and the first end of the fixing bracket is fixed to the diesel generator body by the bolt.
3. The shock absorbing tool for an upper flue of a high temperature gas cooled reactor diesel generator of claim 1, wherein the upper flue is secured to the second end of the stationary bracket by a clip.
4. The shock absorbing tool for an upper flue of a high temperature gas cooled reactor diesel generator of claim 3, wherein the clamp includes a U-shaped clamp and a connecting plate, the connecting plate is located at the second end of the fixed bracket, the U-shaped clamp is sleeved on the upper flue, and the U-shaped clamp and the connecting plate are detachably connected together to fix the second end of the fixed bracket to the upper flue.
5. The damping tool for an upper flue of a high-temperature gas cooled reactor diesel generator according to claim 1, wherein a first expansion joint and a second expansion joint are respectively arranged at two ends of the upper flue;
two supporting points are formed on the upper flue, one supporting point is positioned on one side of the first expansion joint, which is close to the second expansion joint, and the other supporting point is positioned on one side of the second expansion joint, which is close to the first expansion joint;
the second ends of the two fixing brackets are respectively fixed at two supporting points.
6. The shock absorbing tool for an upper flue of a high temperature gas cooled reactor diesel generator of claim 1, wherein a plurality of exhaust pipes are connected between the diesel generator body and the upper flue.
7. The shock absorbing tool for an upper stack of a high temperature gas cooled reactor diesel generator according to claim 1, further comprising an air intake duct connected to the diesel generator body to input gas into the diesel generator body.
8. The vibration absorbing tool for the upper flue of the high-temperature gas cooled reactor diesel generator according to claim 7, wherein an air inlet is formed at one end of the air inlet pipe away from the diesel generator body, and a supercharger compressor is arranged at a position of the air inlet pipe close to the air inlet; an air outlet is formed at one end of the upper flue, which is far away from the diesel generator body, and a supercharger exhaust turbine is arranged at the position of the upper flue, which is close to the air outlet.
9. The shock absorbing tool for an upper stack of a high temperature gas cooled reactor diesel generator of claim 8, wherein an air filter is provided on the air intake conduit and the air filter is located between a booster compressor and the air intake.
10. The shock absorbing tool for the upper stack of a high temperature gas cooled reactor diesel generator according to claim 9, wherein a cryocooler is provided on the intake conduit, the cryocooler being located between the diesel generator body and the booster compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322183043.5U CN220434866U (en) | 2023-08-14 | 2023-08-14 | Damping tool for upper flue of high-temperature gas cooled reactor diesel generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322183043.5U CN220434866U (en) | 2023-08-14 | 2023-08-14 | Damping tool for upper flue of high-temperature gas cooled reactor diesel generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220434866U true CN220434866U (en) | 2024-02-02 |
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ID=89689303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322183043.5U Active CN220434866U (en) | 2023-08-14 | 2023-08-14 | Damping tool for upper flue of high-temperature gas cooled reactor diesel generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220434866U (en) |
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2023
- 2023-08-14 CN CN202322183043.5U patent/CN220434866U/en active Active
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