CN217080580U - Ice plug processing device for steam turbine generator unit - Google Patents
Ice plug processing device for steam turbine generator unit Download PDFInfo
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- CN217080580U CN217080580U CN202123361771.8U CN202123361771U CN217080580U CN 217080580 U CN217080580 U CN 217080580U CN 202123361771 U CN202123361771 U CN 202123361771U CN 217080580 U CN217080580 U CN 217080580U
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- jacket
- water pipeline
- clamp
- steam turbine
- turbine generator
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- Expired - Fee Related
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- 238000012545 processing Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 91
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 90
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 44
- 238000002347 injection Methods 0.000 claims abstract description 38
- 239000007924 injection Substances 0.000 claims abstract description 38
- AEEAZFQPYUMBPY-UHFFFAOYSA-N [I].[W] Chemical compound [I].[W] AEEAZFQPYUMBPY-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 27
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005057 refrigeration Methods 0.000 abstract description 4
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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Abstract
The utility model provides an ice plug processing apparatus for turbo generator set relates to turbo generator cooling technical field. The ice plug processing device is arranged on a water pipeline of a stator cooler and comprises a clamp and a cooling component heating component; the clamp comprises two jackets which are detachably butted into a hollow structure, the two jackets clamp the water pipeline, a sealed liquid injection cavity is formed between the clamp and the outer wall of the water pipeline, and a liquid injection valve and a liquid discharge valve are arranged in the jackets in a penetrating way; the cooling assembly is arranged on a liquid nitrogen conveying pipe of the clamp, and the liquid nitrogen conveying pipe penetrates through the liquid injection cavity; the heating assembly comprises a connecting rod arranged on the jacket, and the connecting rod is provided with a tungsten iodine lamp for heating. The utility model has the advantages that on one hand, the liquid nitrogen refrigeration saturated saline solution is used for cooling the water pipeline, the protection effect is provided for the water pipeline, and the low-temperature damage of the water pipeline is avoided; on the other hand, the iodine-tungsten lamp is arranged on the jacket, so that the saturated saline in the jacket can be indirectly heated.
Description
Technical Field
The utility model relates to a turbo generator cooling technical field particularly, relates to an ice plug processing apparatus for turbo generator set.
Background
The steam turbine generator is a generator matched with a steam turbine, and the generator mainly comprises a stator, a rotor, an end cover, an electric brush, a base, a bearing and the like.
The cooling mode of the turbonator is water hydrogen cooling, namely: the stator winding is cooled in water, the rotor shaft neck is cooled in hydrogen, the stator main wire is cooled in hydrogen, the stator core is cooled in hydrogen in the axial direction, the rotor winding, the phase connecting wire and the wire outlet sleeve are directly cooled by the hydrogen, a cooling water source of the stator cooling water cooler is connected to an open water system, and the pipeline is made of common carbon steel.
In the process of inspecting pipelines of the stator cooling water cooler, the inlet and outlet valves are comprehensively inspected, the cooling water inlet and outlet valves are respectively closed, the leakage condition of the inlet and outlet pressure gauges is observed, and the condition that the cooling water outlet electric door fails to open due to failure is judged according to historical trend analysis, so that the running safety of a unit is seriously threatened, and therefore an ice plug processing technology is generally adopted for inspection.
The ice plug technology is to freeze the medium in the pipeline into an ice column by using a special device, taking a liquid nitrogen method as an example, the low temperature of-196 ℃ is obtained under normal pressure, generally, the ice plug is frozen from the inner wall surface of the metal pipeline and gradually formed into an ice plug with the size 2-3 times as long as the diameter of the pipeline so as to bear certain pressure difference, thereby realizing the isolation function of a process system, but the following defects exist in the ice plug treatment technical process:
first, in the ice plug treatment technique, since the cooling temperature of liquid nitrogen is very low, a pipeline made of carbon steel is easily damaged.
Secondly, in the unfreezing process of ice plug treatment, the heating of the pipeline is not easy to realize.
In summary, we propose an apparatus for treating an ice plug of a steam turbine generator unit to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an ice plug processing device for a turbo generator set, which realizes the cooling of a water pipeline by refrigerating saturated saline solution through liquid nitrogen, has a protection effect on the water pipeline and avoids the low-temperature damage of the water pipeline; on the other hand, the iodine-tungsten lamp is arranged on the jacket, so that the saturated saline in the jacket can be indirectly heated.
The embodiment of the utility model is realized like this:
the embodiment of the application provides an ice plug processing device for a steam turbine generator unit, which is arranged on a water pipeline of a stator cooler and comprises a clamp and a cooling component heating component;
the clamp comprises two jackets which are detachably butted to form a hollow structure, the two jackets are used for clamping the water pipeline, a sealed liquid injection cavity is formed between the clamp and the outer wall of the water pipeline, and a liquid injection valve and a liquid discharge valve are arranged in the jackets in a penetrating way;
the cooling assembly is arranged on a liquid nitrogen conveying pipe of the clamp, and the liquid nitrogen conveying pipe penetrates through the liquid injection cavity;
the heating assembly comprises a connecting rod arranged on the jacket, and the connecting rod is provided with a tungsten iodine lamp for heating.
In some embodiments of the present invention, the clamping sleeve is semi-cylindrical, the clamping sleeve is provided with a liquid injection groove on the plane side, the clamping sleeve is provided with a connecting plate at both ends in the circumferential direction, the connecting plate is provided with a connecting hole in a penetrating manner, and the two connecting holes of the clamping sleeve are connected by a bolt.
In some embodiments of the present invention, the sealing gasket is disposed between two of the clamping sleeves.
In some embodiments of the present invention, the liquid nitrogen delivery pipe is a pipe with a shape of a Chinese character 'hui'.
In some embodiments of the present invention, the inner diameter of the outlet end of the liquid nitrogen conveying pipe is larger than the inner diameter of the pipe body of the liquid nitrogen conveying pipe.
In some embodiments of the present invention, the lamp further comprises a telescopic rod, the connecting rod and the jacket are connected through the telescopic rod, and the iodine-tungsten lamp is disposed at the outer end of the connecting rod.
In some embodiments of the present invention, the outer end of the connecting rod is provided with a semi-cylindrical bearing member, and the plane side of the bearing member is disposed toward the jacket, the plane side of the bearing member is provided with a semicircular placing groove, and the iodine-tungsten lamp is disposed in the placing groove.
In some embodiments of the present invention, the above-mentioned placing groove is provided with a light-gathering plate.
In some embodiments of the present invention, the jacket is provided with a mounting groove along a circumferential direction thereof, and the mounting groove is embedded with the perspective plate.
In some embodiments of the present invention, the mounting groove is provided with a sealing strip, and the see-through plate is disposed on the sealing strip.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
an ice plug processing device for a steam turbine generator unit is arranged on a water pipeline of a stator cooler and comprises a clamp and a cooling assembly heating assembly;
the clamp comprises two jackets which are detachably butted to form a hollow structure, the two jackets are used for clamping the water pipeline, a sealed liquid injection cavity is formed between the clamp and the outer wall of the water pipeline, and a liquid injection valve and a liquid discharge valve are arranged in the jackets in a penetrating way;
the cooling assembly is arranged on a liquid nitrogen conveying pipe of the clamp, and the liquid nitrogen conveying pipe penetrates through the liquid injection cavity;
the heating assembly comprises a connecting rod arranged on the jacket, and the connecting rod is provided with a tungsten iodine lamp for heating.
When the utility model is used, the two jackets are connected and clamped on the water pipeline of the stator cooler, the clamp formed by the two jackets forms a sealing clamp for the water pipeline, and a liquid injection cavity is formed between the clamp and the water pipeline; closing the liquid discharge valve, opening the liquid injection valve, injecting saturated saline water into the liquid injection cavity through the liquid injection valve, and closing the liquid injection valve after the saturated saline water is injected; and liquid nitrogen is injected into the liquid nitrogen delivery pipe, the liquid nitrogen cools saturated saline water, and the saturated saline water cools the water pipeline until fluid in the water pipeline is cooled to form an ice plug. The saturated saline water is used as the intermediate medium to be used as the cooling of the water pipeline, so that the direct action of liquid nitrogen is avoided, and the water pipeline is protected. The critical temperature of the saturated saline is-20 ℃, and the saturated saline is prevented from being solidified by heating through an iodine tungsten lamp. The utility model has the advantages that on one hand, the liquid nitrogen refrigeration saturated saline solution is used for cooling the water pipeline, the protection effect is provided for the water pipeline, and the low-temperature damage of the water pipeline is avoided; on the other hand, the iodine-tungsten lamp is arranged on the jacket, so that the saturated saline in the jacket can be indirectly heated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is an isometric view of an ice plug processing device for a steam turbine generator unit according to an embodiment of the present invention;
fig. 2 is a sectional view of a side view of an ice plug processing device for a steam turbine generator unit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the connection between the connecting rod and the supporting member according to the embodiment of the present invention;
FIG. 4 is a side view of FIG. 3;
fig. 5 is a cross-sectional view of fig. 3.
Icon: 1-liquid nitrogen conveying pipe, 2-jacket, 3-sealing strip, 4-transparent plate, 5-liquid injection valve, 6-connecting plate, 7-liquid injection cavity, 8-telescopic rod, 9-connecting rod, 10-liquid discharge valve, 11-bearing piece, 12-light-gathering plate and 13-iodine tungsten lamp.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
Referring to fig. 1 to 5, the present embodiment provides an ice plug processing apparatus for a steam turbine generator unit, which is installed in a water pipeline of a stator cooler, and includes a clamp and a cooling module heating assembly;
the clamp comprises two jackets 2 which are detachably butted to form a hollow structure, the two jackets 2 clamp the water pipeline, a sealed liquid injection cavity 7 is formed between the clamp and the outer wall of the water pipeline, and a liquid injection valve 5 and a liquid discharge valve 10 are arranged on each jacket 2 in a penetrating way;
the cooling assembly is arranged on the liquid nitrogen conveying pipe 1 of the clamp, and the liquid nitrogen conveying pipe 1 penetrates through the liquid injection cavity 7;
the heating assembly comprises a connecting rod 9 arranged on the jacket 2, and the connecting rod 9 is provided with a tungsten-iodine lamp 13 for heating.
When the utility model is used, the two jackets 2 are connected and clamped on the water pipeline of the stator cooler, the clamp formed by the two jackets 2 forms a sealing clamp for the water pipeline, and a liquid injection cavity 7 is formed between the clamp and the water pipeline; closing the liquid discharge valve 10, opening the liquid injection valve 5, injecting saturated saline water into the liquid injection cavity 7 through the liquid injection valve 5, and closing the liquid injection valve 5 after the saturated saline water is injected; liquid nitrogen is injected into the liquid nitrogen delivery pipe 1, the liquid nitrogen cools saturated saline water, and the saturated saline water cools the water pipeline until fluid in the water pipeline is cooled to form an ice plug. The saturated saline water is used as the intermediate medium to be used as the cooling of the water pipeline, so that the direct action of liquid nitrogen is avoided, and the water pipeline is protected. The critical temperature of the saturated brine for solidification is-20 ℃, and the saturated brine is prevented from solidifying by heating through the iodine-tungsten lamp 13. The utility model has the advantages that on one hand, the liquid nitrogen refrigeration saturated saline solution is used for cooling the water pipeline, the protection effect is provided for the water pipeline, and the low-temperature damage of the water pipeline is avoided; on the other hand, the heating of saturated brine in the jacket 2 can be indirectly realized by arranging the iodine tungsten lamp 13 in the jacket 2.
In some embodiments of the present invention, the clamping sleeve 2 is semi-cylindrical, the liquid injection groove is provided on the plane side of the clamping sleeve 2, the connecting plates 6 are provided at both ends of the clamping sleeve 2 in the circumferential direction, the connecting plates 6 are provided with connecting holes in a penetrating manner, and two of the connecting holes of the clamping sleeve 2 are connected by bolts.
In the above embodiment, the connecting plate 6 is provided with a plurality of connecting holes along the axial direction of the jacket 2, the plurality of connecting holes of the connecting plate 6 opposite to the two jackets 2 are arranged in one-to-one correspondence, and the stable connection of the two jackets 2 can be realized by providing the plurality of connecting holes and bolts.
In some embodiments of the present invention, the sealing device further comprises a sealing gasket, and the sealing gasket is disposed between the two clamping sleeves 2.
In the above embodiment, the sealing gasket further improves the sealing performance of the connection between the two jackets 2, and avoids the leakage of the saturated brine in the liquid injection chamber 7.
In some embodiments of the present invention, the liquid nitrogen delivery pipe 1 is a pipe with a shape of a Chinese character hui.
In the above embodiment, the liquid nitrogen delivery pipe 1 in the liquid injection chamber 7 is in a shape of a square, which increases the contact area between the liquid nitrogen delivery pipe 1 and the saturated brine, and improves the cooling effect of the saturated brine.
In some embodiments of the present invention, the inner diameter of the outlet end of the liquid nitrogen conveying pipe 1 is larger than the inner diameter of the pipe body of the liquid nitrogen conveying pipe 1.
In the above embodiment, since the liquid nitrogen is heated to become nitrogen gas after being injected into the infusion tube, the volume of the infusion tube is increased, and the inner diameter of the outlet end of the liquid nitrogen delivery tube 1 is larger than the inner diameter of the tube body of the liquid nitrogen delivery tube 1, thereby facilitating the discharge of the nitrogen gas and preventing the jacket 2 from bearing pressure and bursting.
In some embodiments of the present invention, the device further comprises a telescopic rod 8, the connecting rod 9 and the jacket 2 are connected through the telescopic rod 8, and the iodine-tungsten lamp 13 is disposed at the outer end of the connecting rod 9.
In the above embodiment, the design of the telescopic rod 8 is convenient for adjusting the distance between the iodine-tungsten lamp 13 and the jacket 2, and the telescopic rod 8 here adopts the manual telescopic rod 8, so that the telescopic rod has the advantage of low cost. Connecting rod 9 is provided with distance sensor, and distance sensor and iodine tungsten lamp 13 are in on the same straight line, and distance sensor is used for detecting, is convenient for realize the accurate regulation of iodine tungsten lamp 13 distance.
Optionally, the one end that connecting rod 9 was kept away from to telescopic link 8 is provided with the butt joint board, and the butt joint board sets up the butt joint hole, and the butt joint hole overlaps with the connecting hole and sets up, further fixes the butt joint board through the bolt of connecting two connecting plates promptly, has realized dismantling of telescopic link 8.
In some embodiments of the present invention, the outer end of the connecting rod 9 is provided with a semi-cylindrical supporting member 11, and the plane side of the supporting member 11 is disposed toward the jacket 2, the plane side of the supporting member 11 is provided with a semicircular placing groove, and the iodine tungsten lamp 13 is disposed in the placing groove.
In the above embodiment, the placement groove is provided along the axial direction of the jacket 2, and the iodine tungsten lamp 13 is provided along the axial direction of the jacket 2, so that the heating area of the iodine tungsten lamp 13 is made larger, which is convenient for heating the saturated brine inside the jacket 2.
In some embodiments of the present invention, the light-gathering plate 12 is disposed on the placing groove.
In the above embodiment, the light-condensing plate 12 is designed to condense light emitted from the iodine tungsten lamp 13 and irradiate the light to the jacket 2.
In some embodiments of the present invention, the jacket 2 is provided with a mounting groove along a circumferential direction thereof, and the mounting groove is embedded with the perspective plate.
In the above embodiment, the perspective plate is designed so that the state of the saturated saline in the liquid injection chamber 7 can be observed through the perspective plate, thereby facilitating the regulation and control of the state of the saturated saline.
In some embodiments of the present invention, the mounting groove is provided with a sealing strip 3, and the above-mentioned perspective plate is disposed on the above-mentioned sealing strip 3.
In the above embodiment, the sealing strip 3 is designed to realize the connection between the mounting groove and the see-through plate and to improve the sealing performance of the see-through plate.
To sum up, the embodiment of the utility model provides an ice plug processing apparatus for turbo generator set, its at least following technological effect:
when the utility model is used, the two jackets 2 are connected and clamped on the water pipeline of the stator cooler, the clamp formed by the two jackets 2 forms a sealing clamp for the water pipeline, and a liquid injection cavity 7 is formed between the clamp and the water pipeline; closing the liquid discharge valve 10, opening the liquid injection valve 5, injecting saturated saline water into the liquid injection cavity 7 through the liquid injection valve 5, and closing the liquid injection valve 5 after the saturated saline water is injected; and liquid nitrogen is injected into the liquid nitrogen delivery pipe 1, the liquid nitrogen cools saturated saline water, and the saturated saline water cools the water pipeline until fluid in the water pipeline is cooled to form an ice plug. The saturated saline water is used as the intermediate medium to be used as the cooling of the water pipeline, so that the direct action of liquid nitrogen is avoided, and the water pipeline is protected. The critical temperature of the saturated brine for solidification is-20 ℃, and the saturated brine is prevented from solidifying by heating through the iodine-tungsten lamp 13. The utility model has the advantages that on one hand, the liquid nitrogen refrigeration saturated saline solution is used for cooling the water pipeline, the protection effect is provided for the water pipeline, and the low-temperature damage of the water pipeline is avoided; on the other hand, the heating of saturated brine in the jacket 2 can be indirectly realized by arranging the iodine-tungsten lamp in the jacket 2.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An ice plug processing device for a steam turbine generator unit is arranged on a water pipeline of a stator cooler and is characterized by comprising a clamp and a cooling assembly heating assembly;
the clamp comprises two jackets which are detachably butted to form a hollow structure, the two jackets clamp the water pipeline, a sealed liquid injection cavity is formed between the clamp and the outer wall of the water pipeline, and a liquid injection valve and a liquid discharge valve are arranged in the jackets in a penetrating way;
the cooling assembly is arranged on a liquid nitrogen conveying pipe of the clamp, and the liquid nitrogen conveying pipe penetrates through the liquid injection cavity;
the heating assembly comprises a connecting rod arranged on the jacket, and the connecting rod is provided with a tungsten iodine lamp for heating.
2. The device for treating the ice plugs of the turbo generator set according to claim 1, wherein the jacket is semi-cylindrical, the liquid injection groove is arranged on the plane side of the jacket, connecting plates are arranged at both ends of the jacket in the circumferential direction, the connecting plates are provided with connecting holes in a penetrating manner, and the connecting holes of the two jackets are connected through bolts.
3. The device for treating the ice plug of the steam turbine generator unit as claimed in claim 2, further comprising a sealing gasket, wherein the sealing gasket is arranged between the two jackets.
4. An ice plug handling device for a steam turbine generator unit according to claim 1, wherein the liquid nitrogen delivery pipe is a return pipe.
5. The apparatus for treating the ice plug of the steam turbine generator unit as claimed in claim 1, wherein the outlet end of the liquid nitrogen conveying pipe has an inner diameter larger than an inner diameter of a pipe body of the liquid nitrogen conveying pipe.
6. The device for treating the ice plugs of the steam turbine generator unit as claimed in claim 2, further comprising a telescopic rod, wherein the connecting rod is connected with the jacket through the telescopic rod, and the iodine-tungsten lamp is arranged at an outer end of the connecting rod.
7. The device for treating the ice plugs of the steam turbine generator unit as claimed in claim 6, wherein the outer ends of the connecting rods are provided with semi-cylindrical bearing members, the plane sides of the bearing members are arranged towards the jacket, the plane sides of the bearing members are provided with semi-circular placing grooves, and the iodine tungsten lamp is arranged in the placing grooves.
8. An ice plug handling device for a steam turbine generator unit according to claim 7, wherein the placement tank is provided with a light collecting plate.
9. The ice plug processing device for the steam turbine generator unit as claimed in claim 1, wherein the jacket is provided with an installation groove along a circumferential direction thereof, and the installation groove is embedded with a perspective plate.
10. The ice plug processing device for the steam turbine generator unit as claimed in claim 9, wherein the mounting groove is provided with a sealing strip, and the see-through plate is provided with the sealing strip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202123361771.8U CN217080580U (en) | 2021-12-27 | 2021-12-27 | Ice plug processing device for steam turbine generator unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202123361771.8U CN217080580U (en) | 2021-12-27 | 2021-12-27 | Ice plug processing device for steam turbine generator unit |
Publications (1)
Publication Number | Publication Date |
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CN217080580U true CN217080580U (en) | 2022-07-29 |
Family
ID=82540070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202123361771.8U Expired - Fee Related CN217080580U (en) | 2021-12-27 | 2021-12-27 | Ice plug processing device for steam turbine generator unit |
Country Status (1)
Country | Link |
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CN (1) | CN217080580U (en) |
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2021
- 2021-12-27 CN CN202123361771.8U patent/CN217080580U/en not_active Expired - Fee Related
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Granted publication date: 20220729 |