CN219711602U - Steam turbine vacuum device - Google Patents
Steam turbine vacuum device Download PDFInfo
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- CN219711602U CN219711602U CN202321162799.5U CN202321162799U CN219711602U CN 219711602 U CN219711602 U CN 219711602U CN 202321162799 U CN202321162799 U CN 202321162799U CN 219711602 U CN219711602 U CN 219711602U
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- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 32
- 238000000605 extraction Methods 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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Abstract
The utility model provides a steam turbine vacuum device, and belongs to the technical field of steam turbines. This steam turbine vacuum apparatus includes high-pressure structure and drainage structure, high-pressure structure includes high-pressure member and well pressure piece, well pressure piece is fixed Gao Yajian one side, drainage structure includes low pressure member and drainage piece, the low pressure member is fixed well pressure piece one side, the drainage piece includes inlet tube one, inlet tube one is fixed Gao Yajian bottom, inlet tube one end is fixed with the connecting pipe, connecting pipe end is fixed with inlet tube two, inlet tube two is fixed well pressure piece bottom, connecting pipe one side is fixed with the drain pipe, drain pipe one side is fixed with the butterfly valve. According to the utility model, through the action of the butterfly valve, the air pressure can not be leaked during the running of the equipment, and the water in the high-pressure cylinder and the medium-pressure cylinder can be led out by utilizing the first water inlet pipe and the second water inlet pipe, so that the power of the equipment is prevented from being reduced due to accumulated water.
Description
Technical Field
The utility model relates to the technical field of steam turbines, in particular to a steam turbine vacuum device.
Background
The APS one-key start-stop control mode is an automatic control mode of a power plant by utilizing a gas-steam combined cycle unit in a tri-state mode. In the APS one-key start-stop control mode in the prior art, the vacuum value of the extraction condensing turbine is influenced by factors such as design, operation load, long-period operation of the extraction condensing turbine, climate and the like, the vacuum of the extraction condensing turbine cannot meet the production requirement, and the annual average vacuum degree only maintains 91-94KPa; after the extraction condensing steam turbine runs for a long time, a certain amount of condensation beads are stored in the extraction condensing steam turbine, when the equipment is not in use, the condensation beads gradually gather together, so that the condensation beads are accumulated at the bottom of the equipment, and if the condensation beads are not treated for a long time, the power of the steam turbine is caused.
Chinese patent No. CN218717024U provides a device for improving the vacuum of a steam turbine, comprising: the system comprises a steam turbine, a condenser, a first low-pressure heater, an L-shaped pipeline and a first pipeline; the tail end of the steam turbine is connected with the condenser through a pipeline, and the condenser is used for condensing steam into water; the first low-pressure heater is communicated with a first air exhaust hole on the steam turbine through a first air exhaust pipe, one end of a first pipeline is communicated with a pipeline on the front end of the steam turbine, and the other end of the first pipeline is communicated with the first air exhaust pipe; one end of the L-shaped pipeline is communicated with the first exhaust pipe. According to the technical scheme, the temperature of the steam discharge end of the steam turbine is reduced through the arrangement of the steam turbine, the condenser, the first low-pressure heater and the first pipeline, the vacuum degree is increased, and the steam consumption rate of the steam turbine of the unit is reduced.
At present, although the existing steam turbine vacuum device can reduce the steam turbine exhaust temperature, increase the vacuum degree and reduce the steam consumption rate of the unit steam turbine, when the steam turbine continuously runs, steam is adhered to the inner wall of the shell, and the steam is condensed into water drops after long-term use, so that the water drops can drop into the equipment and gather.
Disclosure of Invention
In order to overcome the defects, the utility model provides a steam turbine vacuum device, which aims to improve the problem that water gathers in a shell under normal conditions.
The utility model is realized in the following way:
the utility model provides a steam turbine vacuum device, which comprises a high-pressure structure and a drainage structure.
The high-pressure structure comprises a high-pressure part and a middle-pressure part, the middle-pressure part is fixed on one side of the Gao Yajian, the drainage structure comprises a low-pressure part and a drainage part, the low-pressure part is fixed on one side of the middle-pressure part, the drainage part comprises a first water inlet pipe, the first water inlet pipe is fixed on the bottom of Gao Yajian, a connecting pipe is fixed at one end of the first water inlet pipe, a second water inlet pipe is fixed at one end of the connecting pipe, the second water inlet pipe is fixed on the bottom of the middle-pressure part, a drainage pipe is fixed on one side of the connecting pipe, a butterfly valve is fixed on one side of the drainage pipe, and a driving motor is fixed on one side of the butterfly valve.
In one embodiment of the utility model, the high-pressure member comprises a high-pressure cylinder, a conversion box is fixed on one side of the high-pressure cylinder, an air inlet pipe is fixed on one side of the conversion box, and an adjusting air valve is fixed at the end part of the air inlet pipe.
In one embodiment of the utility model, a first controller is fixed at the end part of the adjusting air valve, and a main air valve is fixed at one side of the adjusting air valve.
In one embodiment of the utility model, a second controller is fixed at the end part of the main air valve, and a coupler is fixed at one side of the conversion box.
In one embodiment of the utility model, the middle pressure part comprises a middle pressure cylinder, the middle pressure cylinder is fixed on one side of the coupler, a gas pipe is fixed on one side of the middle pressure cylinder, a joint gas pipe is fixed at the end part of the gas pipe, and a controller III is fixed at the end part of the joint gas pipe.
In one embodiment of the utility model, a communicating pipe is fixed on one side of the medium pressure cylinder, and a connecting pipe is fixed on one side of the communicating pipe.
In one embodiment of the utility model, the low pressure part comprises a low pressure cylinder, the low pressure cylinder is fixed on one side of the medium pressure cylinder, an air inlet hole is formed in the top of the low pressure cylinder, an air outlet hole is formed in the bottom of the low pressure cylinder, a rotating shaft is rotatably connected inside the low pressure cylinder, and a rotating blade is fixed on one side of the rotating shaft.
The beneficial effects of the utility model are as follows: according to the steam turbine vacuum device obtained through the design, when the steam turbine vacuum device is used, the butterfly valve is opened by the driving motor, so that water accumulated in the first water inlet pipe, the second water inlet pipe and the connecting pipe can be discharged, the situation that the power is retarded due to excessive water in the device is avoided when the device is operated is ensured, and the air pressure in the device is prevented from leaking when the water is not discharged through the butterfly valve.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a steam turbine vacuum apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a high-pressure part of a steam turbine vacuum device according to an embodiment of the utility model;
FIG. 3 is a schematic view of a press in a steam turbine vacuum apparatus according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a low pressure part of a steam turbine vacuum apparatus according to an embodiment of the present utility model;
fig. 5 is a schematic view of a water draining member of a vacuum apparatus of a steam turbine according to an embodiment of the present utility model.
In the figure: 100-high pressure structure; 110-high pressure member; 111-high pressure cylinder; 112-a transfer box; 113-an air inlet pipe; 114-adjusting the air valve; 115-controller one; 116-main air valve; 117-second controller; 118-a coupling; 120-a middle pressing part; 121-a medium pressure cylinder; 122-gas delivery pipe; 123-joint trachea; 124-controller three; 125-communicating pipe; 126-connecting the pipes; 200-drainage structure; 210-low pressure part; 211-a low pressure cylinder; 212-an air inlet hole; 213-vent holes; 214-a spindle; 215-rotating leaves; 220-drainage; 221-first water inlet pipe; 222-connecting pipes; 223-second water inlet pipe; 224-drain; 225-butterfly valve; 226-drive motor.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-5, the present utility model provides a technical solution: the turbine vacuum apparatus includes a high pressure structure 100 and a water discharge structure 200.
Referring to fig. 1 to 3, the high pressure structure 100 includes a high pressure member 110 and a middle pressure member 120, and the middle pressure member 120 is fixed to one side of the high pressure member 110.
The high-pressure part 110 comprises a high-pressure cylinder 111, a conversion box 112 is fixed on one side of the high-pressure cylinder 111, steam can be gathered by the conversion box 112 and then conveyed into the high-pressure cylinder 111, so that a rotary vane 215 in the high-pressure cylinder 111 can be subjected to larger force, an air inlet pipe 113 is fixed on one side of the conversion box 112, an adjusting air valve 114 is fixed at the end part of the air inlet pipe 113, the adjusting air valve 114 can adjust the steam pressure conveyed by a main air valve 116, a first controller 115 is fixed at the end part of the adjusting air valve 114, a first controller 115 controls the adjusting air valve 114, a main air valve 116 is fixed on one side of the adjusting air valve 114, the main air valve 116 is responsible for cutting off and opening the conveying of the steam, a second controller 117 is fixed at the end part of the main air valve 116, the second controller 117 controls the main air valve 116, a coupler 118 is fixed on one side of the conversion box 112, the medium-pressure part 120 comprises a medium-pressure cylinder 121, a medium-pressure cylinder 121 is fixed on one side of the coupler 118, an air pipe 122 is fixed on one side of the medium-pressure cylinder 121, an air pipe 123 is fixed at the end part of the medium-pressure cylinder 122, the air pipe 123 has the same function as the main air valve 116, a third controller 124 is fixed at the end part of the air pipe 123, the medium-pressure pipe is fixed, the end part is responsible for cutting the air pipe, and the medium pressure pipe is fixed on one side 125, and 125 is fixed with a communicating pipe 126.
Referring to fig. 1-fig. 4-fig. 5, the drainage structure 200 includes a low pressure member 210 and a drainage member 220, the low pressure member 210 is fixed on one side of the middle pressure member 120, the drainage member 220 includes a first water inlet pipe 221, the first water inlet pipe 221 is fixed on the bottom of the high pressure member 110, a connecting pipe 222 is fixed on the end of the first water inlet pipe 221, a second water inlet pipe 223 is fixed on the end of the connecting pipe 222, a drain pipe 224 is fixed on one side of the connecting pipe 222, a butterfly valve 225 is fixed on one side of the drain pipe 224, the butterfly valve 225 ensures that no pressure is released when the device is operated, a driving motor 226 is fixed on one side of the butterfly valve 225, and the driving motor 226 can control the state of the butterfly valve 225.
The low pressure part 210 comprises a low pressure cylinder 211, the low pressure cylinder 211 is fixed on one side of the middle pressure cylinder 121, an air inlet hole 212 is formed in the top of the low pressure cylinder 211, an air outlet hole 213 is formed in the bottom of the low pressure cylinder 211, steam can be discharged out of the low pressure cylinder 211 through the air outlet hole 213, a rotating shaft 214 is rotatably connected inside the low pressure cylinder 211, the rotating shaft 214 extends into the middle pressure cylinder 121, a coupler 118 and the high pressure cylinder 111 all the time, a rotating vane 215 is fixed on one side of the rotating shaft 214, and rotating shafts 214 in the high pressure cylinder 111 and the middle pressure cylinder 121 are also fixed with the rotating vane 215, and the volume is smaller than that in the low pressure cylinder 211.
Specifically, the working principle of the steam turbine vacuum device is as follows: during use, high-pressure steam is conveyed into the conversion box 112 through the main air valve 116, then the steam is conveyed into the high-pressure cylinder 111 through the conversion box 112, so that the inner rotary vane 215 of the high-pressure cylinder 111 can drive the rotary shaft 214 to rotate, the steam is released into the middle-pressure cylinder 121 through the combined air pipe 123, the rotary vane 215 in the middle-pressure cylinder 121 can drive the rotary shaft 214 to rotate, the steam in the middle-pressure cylinder 121 can be conveyed into the connecting pipe 126 through the communicating pipe 125, then the steam enters the low-pressure cylinder 211 through the air inlet hole 212, so that the low-pressure steam can drive the rotary shaft 214 to rotate through the rotary vane 215, then the steam is discharged from the air outlet hole 213, and thus the operation work of the steam turbine is completed, after the operation is finished or during continuous operation, water is collected in the high-pressure cylinder 111 and the middle-pressure cylinder 121, so that the butterfly valve 225 is controlled to be opened through the driving motor 226, water accumulated in the first water inlet pipe 221, the connecting pipe 222 and the second water inlet pipe 223 is discharged from the water outlet pipe 224, and then the butterfly valve 225 is closed through the driving motor 226, so that the water discharging work is completed.
It should be noted that, the specific model specification of the driving motor 226 needs to be determined by selecting a model according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so that detailed description is omitted.
The power supply of the drive motor 226 and its principles are apparent to those skilled in the art and will not be described in detail herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A steam turbine vacuum apparatus, comprising
A high-pressure structure (100), wherein the high-pressure structure (100) comprises a high-pressure piece (110) and a middle-pressure piece (120), and the middle-pressure piece (120) is fixed on one side of the Gao Yajian (110);
drainage structure (200), drainage structure (200) include low pressure piece (210) and drainage spare (220), low pressure piece (210) are fixed well casting die (120) one side, drainage spare (220) are including inlet tube one (221), inlet tube one (221) are fixed Gao Yajian (110) bottom, inlet tube one (221) tip is fixed with connecting pipe (222), connecting pipe (222) tip is fixed with inlet tube two (223), inlet tube two (223) are fixed well casting die (120) bottom, connecting pipe (222) one side is fixed with drain pipe (224), drain pipe (224) one side is fixed with butterfly valve (225), butterfly valve (225) one side is fixed with driving motor (226).
2. The steam turbine vacuum apparatus as claimed in claim 1, wherein the Gao Yajian (110) comprises a high pressure cylinder (111), a conversion box (112) is fixed on one side of the high pressure cylinder (111), an air inlet pipe (113) is fixed on one side of the conversion box (112), and an adjusting air valve (114) is fixed at an end of the air inlet pipe (113).
3. The steam turbine vacuum apparatus as claimed in claim 2, wherein a first controller (115) is fixed to an end of the regulating valve (114), and a main valve (116) is fixed to one side of the regulating valve (114).
4. A turbine vacuum apparatus according to claim 3, wherein a second controller (117) is fixed to an end of the main air valve (116), and a coupling (118) is fixed to one side of the transfer box (112).
5. The steam turbine vacuum apparatus as claimed in claim 4, wherein the intermediate pressure member (120) comprises an intermediate pressure cylinder (121), the intermediate pressure cylinder (121) is fixed on one side of the coupling (118), a gas pipe (122) is fixed on one side of the intermediate pressure cylinder (121), a joint gas pipe (123) is fixed at an end of the gas pipe (122), and a controller III (124) is fixed at an end of the joint gas pipe (123).
6. The steam turbine vacuum apparatus as claimed in claim 5, wherein a communication pipe (125) is fixed to one side of the intermediate pressure cylinder (121), and a connection pipe (126) is fixed to one side of the communication pipe (125).
7. The steam turbine vacuum device according to claim 5, wherein the low pressure part (210) comprises a low pressure cylinder (211), the low pressure cylinder (211) is fixed on one side of the medium pressure cylinder (121), an air inlet hole (212) is formed in the top of the low pressure cylinder (211), an air outlet hole (213) is formed in the bottom of the low pressure cylinder (211), a rotating shaft (214) is rotatably connected inside the low pressure cylinder (211), and a rotating blade (215) is fixed on one side of the rotating shaft (214).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321162799.5U CN219711602U (en) | 2023-05-15 | 2023-05-15 | Steam turbine vacuum device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321162799.5U CN219711602U (en) | 2023-05-15 | 2023-05-15 | Steam turbine vacuum device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711602U true CN219711602U (en) | 2023-09-19 |
Family
ID=87998773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321162799.5U Active CN219711602U (en) | 2023-05-15 | 2023-05-15 | Steam turbine vacuum device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711602U (en) |
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2023
- 2023-05-15 CN CN202321162799.5U patent/CN219711602U/en active Active
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