CN213711332U - Water ring type vacuum system of thermal power plant - Google Patents
Water ring type vacuum system of thermal power plant Download PDFInfo
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- CN213711332U CN213711332U CN202022861703.7U CN202022861703U CN213711332U CN 213711332 U CN213711332 U CN 213711332U CN 202022861703 U CN202022861703 U CN 202022861703U CN 213711332 U CN213711332 U CN 213711332U
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Abstract
The utility model discloses a water ring formula vacuum system of thermal power plant, including the gas condenser, the upper end of gas condenser is close to the left side and is provided with the side connector, the top of gas condenser is close to the right side and is provided with the steam discharge pipe, the right side of gas condenser is provided with the connecting pipe, be provided with the valve between steam discharge pipe and the connecting pipe, one side of gas condenser is provided with four group's vacuum pump main parts, the right side of vacuum pump main part is provided with catch water. This water ring formula vacuum system of thermal power plant can maintain and reform the interior negative pressure numerical value of steam turbine body system, make the steam that keeps the high-quality in the turbine generator to guarantee the efficiency of steam turbine work, when meetting accident operating mode, can start other vacuum pump main parts and continue to do work, there are multiple distribution method can guarantee system safety operation, can ensure continuous work, the individual less maintenance is convenient, and the cost is low, spare part unit price low energy can reduce user of service's manufacturing cost, convenient to use.
Description
Technical Field
The utility model relates to a water ring formula vacuum field specifically is water ring formula vacuum system of thermal power plant.
Background
In a thermal power plant, a water ring vacuum pump is used for acting to extract an unsaturated steam-water mixture in the steam side of a condenser, so that the vacuum of the condenser reaches a stable state, from the perspective of a steam turbine, the steam side of the condenser is directly connected with a low-pressure cylinder of a turbine generator, the water ring vacuum pump is used for continuously acting to maintain and modify a negative pressure value in a turbine body system, so that high-quality steam is kept in the turbine generator, and the efficiency of the turbine for acting is ensured;
the existing water-ring vacuum system of the thermal power plant is large in vacuum pump, complex in structure, heavy, inconvenient to overhaul, high in manufacturing cost, high in maintenance cost, expensive in unit price of parts, large in energy consumption of the vacuum pump, incapable of reducing the utilization rate of station service power and further improved in cost, and therefore the water-ring vacuum system of the thermal power plant is provided.
Disclosure of Invention
An object of the utility model is to provide a water ring type vacuum system of thermal power plant to vacuum pump is individual great among the current water ring type vacuum system of thermal power plant who proposes in solving above-mentioned background art, and the structure is complicated, and is heavier, overhauls very inconveniently, and the cost is with high costs, the maintenance cost is high, spare part unit price is noble simultaneously, and the energy consumption of vacuum pump is great, can not reduce the rate of utilization of station service power, the problem that the cost further improves.
In order to achieve the above object, the utility model provides a following technical scheme: water ring formula vacuum system of thermal power plant, including the gas condenser, the upper end of gas condenser is close to the left side and is provided with the side connector, the top of gas condenser is close to the right side and is provided with the steam discharge pipe, the right side of gas condenser is provided with the connecting pipe, be provided with the valve between steam discharge pipe and the connecting pipe, one side of gas condenser is provided with four groups of vacuum pump main parts, the right side of vacuum pump main part is provided with catch water, catch water's front end is close to the bottom and is provided with the drain pipe, catch water's upper end evenly is provided with four groups of joint bases, the upper end movable mounting who connects the base has the pipe, catch water's top is close to the rear side and.
Preferably, the four groups of vacuum pump main bodies are linearly arranged on the left side of the steam-water separator, the steam-water separator is communicated with the vacuum pump main body through a connector base matched with a guide pipe, and the gas condenser is communicated with a low-pressure cylinder of the steam turbine generator through a side connector.
Preferably, the upper end of the vacuum pump main body is close to the left side and is provided with an air suction port, the upper end of the vacuum pump main body is close to the right side and is provided with an air outlet, a plurality of groups of connecting seats are arranged on the outer side of the vacuum pump main body, a plurality of groups of fastening nuts are arranged at the front end of the vacuum pump main body, a motor is arranged at the middle position of the front end of the vacuum pump main body, and a mounting bracket is arranged at the.
Preferably, an impeller is arranged in the vacuum pump main body and close to the middle, blades are arranged on the outer side of the impeller, and a liquid ring is arranged in the vacuum pump main body.
Preferably, the air outlet is communicated with the connecting pipe through a conduit, the air suction port is communicated with the connecting pipe through a pipeline, and the motor is movably mounted on the vacuum pump main body through a fastening nut.
Preferably, the distance between the circle center of the impeller and the circle center of the vacuum pump main body is two centimeters, the impeller is located inside the vacuum pump main body and close to the lower side, the blades rotate in the vacuum pump main body through the impeller, and the impeller is fixedly connected with a transmission shaft of the motor.
Compared with the prior art, the beneficial effects of the utility model are that: the integrity is good: in the water ring type vacuum system of the thermal power plant, each vacuum pump main body is an independent body, the air outlet of each vacuum pump main body is respectively communicated with a steam-water separator through a guide pipe, the air suction ports of the vacuum pump main bodies are respectively communicated with a connecting pipe, when the vacuum pump main bodies work, an electric motor can drive an impeller to rotate at high speed, so that blades on the impeller synchronously rotate, further the blades can rotate in a liquid ring, the generated centrifugal force can discharge unsaturated steam-water mixture in a condenser from a steam discharge pipe, so that the negative pressure value in the steam turbine main body system can be maintained, high-quality steam in a steam turbine generator can be kept, the work efficiency of the steam turbine can be ensured, when one group of vacuum pump main bodies is damaged, other vacuum pump main bodies can be started to continue working, and various distribution methods can ensure the safe operation of the system, can ensure continuous work.
This water ring type vacuum system of thermal power plant is provided with the miniature vacuum pump main part of four groups, traditional vacuum pump main part is individual great, the structure is complicated, it is relatively heavy, it is very inconvenient to overhaul, this vacuum pump main part is similar to the single-pole centrifugal pump, moreover, the steam generator is simple in structure, the user can dismantle motor and vacuum pump main part through anticlockwise rotation fastening nut, convenient maintenance, simultaneously through dismantling the screw in the connecting seat, can restore vacuum pump main part inside, the individual less convenience of maintaining, and the cost is low, spare part unit price can reduce user's manufacturing cost, and convenient use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the main structure of the vacuum pump of the present invention;
fig. 3 is a cross-sectional view of the vacuum pump main body of the present invention.
In the figure: 1. a gas condenser; 2. a side connection port; 3. a steam discharge pipe; 4. a drain pipe; 5. a valve; 6. a connecting pipe; 7. a joint base; 8. a conduit; 9. a steam-water separator; 10. an exhaust pipe; 11. a vacuum pump main body; 12. an impeller; 13. a blade; 14. a liquid ring; 15. an air suction port; 16. a connecting seat; 17. an air outlet; 18. an electric motor; 19. mounting a bracket; 20. and (5) tightening the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: water ring formula vacuum system of thermal power plant, including gas condenser 1, the upper end of gas condenser 1 is close to the left side and is provided with side connector 2, the top of gas condenser 1 is close to the right side and is provided with steam discharge pipe 3, the right side of gas condenser 1 is provided with connecting pipe 6, be provided with valve 5 between steam discharge pipe 3 and the connecting pipe 6, one side of gas condenser 1 is provided with four groups of vacuum pump main parts 11, the right side of vacuum pump main part 11 is provided with catch water 9, catch water 9's front end is close to the bottom and is provided with drain pipe 4, catch water 9's upper end evenly is provided with four groups of joint base 7, the upper end movable mounting who connects base 7 has pipe 8, catch water 9's top is close to the rear.
Four sets of vacuum pump main parts 11 are the linear arrangement and set up in the left side of catch water 9, and catch water 9 is linked together with vacuum pump main part 11 through connecting 7 cooperation pipes 8 of base, condenser 1 is linked together with turbo generator low pressure cylinder through side connector 2, induction port 15 has been seted up near the left side to the upper end of vacuum pump main part 11, gas outlet 17 has been seted up near the right side to the upper end of vacuum pump main part 11, the outside of vacuum pump main part 11 is provided with a plurality of groups of connecting seats 16, the front end portion of vacuum pump main part 11 is provided with a plurality of groups of fastening nut 20, the front end intermediate position of vacuum pump main part 11 is provided with motor 18, motor 18.
Through the technical scheme: this water ring formula vacuum system of thermal power plant is provided with four miniature vacuum pump main parts 11 of group, 11 individualities of traditional vacuum pump main part are great, the structure is complicated, it is heavier, it is very inconvenient to overhaul, this vacuum pump main part 11 is similar to the single-pole centrifugal pump, moreover, the steam generator is simple in structure, the user of service can dismantle motor 18 and vacuum pump main part 11 through anticlockwise rotation fastening nut 20, convenient maintenance, simultaneously through dismantling the screw in the connecting seat 16, can restore vacuum pump main part 11 is inside, the individuality is less convenient to maintain, and the cost is low, spare part unit price can reduce user of service's manufacturing cost, and convenient to use.
An impeller 12 is arranged in the vacuum pump main body 11 close to the middle position, a blade 13 is arranged outside the impeller 12, a liquid ring 14 is arranged in the vacuum pump main body 11, an air outlet 17 is communicated with a connecting pipe 6 through a conduit 8, an air inlet 15 is communicated with the connecting pipe 6 through a pipeline, a motor 18 is movably arranged on the vacuum pump main body 11 through a fastening nut 20, the distance between the circle center of the impeller 12 and the circle center of the vacuum pump main body 11 is two centimeters and is positioned in the vacuum pump main body 11 close to the lower side position, the blade 13 rotates in the vacuum pump main body 11 through the impeller 12, the impeller 12 is fixedly connected with a transmission shaft of the motor 18, in the water ring type vacuum system of the thermal power plant, each vacuum pump main body 11 is an independent individual, the air outlet 17 of the vacuum pump main body 11 is respectively communicated with a steam-water separator 9 through a conduit 8, when the vacuum pump main body 11 works, the motor 18 can drive the impeller 12 to rotate at a high speed, so that the blades 13 on the impeller 12 synchronously rotate, further the blades 13 can rotate in the liquid ring 14, the generated centrifugal force can discharge unsaturated steam-water mixture in the condenser 1 from the steam discharge pipe 3, and negative pressure numerical value in the steam turbine main body system can be maintained and reformed, so that high-quality steam is kept in the steam turbine generator, and the work efficiency of a steam turbine is ensured.
The working principle is as follows: for the water ring type vacuum system of the thermal power plant, firstly, in the water ring type vacuum system of the thermal power plant, each vacuum pump main body 11 is an independent individual, the air outlet 17 of each vacuum pump main body 11 is respectively communicated with the steam-water separator 9 through the conduit 8 in a matching way with the joint base 7, meanwhile, the air suction port 15 of each vacuum pump main body 11 is respectively communicated with the connecting pipe 6, when the vacuum pump main body 11 works, the motor 18 can drive the impeller 12 to rotate at high speed, so that the blades 13 on the impeller 12 rotate synchronously, further the blades 13 can rotate in the liquid ring 14, the generated centrifugal force can discharge the unsaturated steam-water mixture in the condenser 1 from the steam discharge pipe 3, thereby maintaining and improving the negative pressure value in the steam turbine body system, keeping high-quality steam in the steam turbine communicated with the side connecting port 2, and ensuring the work efficiency of the steam turbine, meanwhile, the valve 5 can block the steam discharge pipe 3 and the connecting pipe 6, when an accident condition occurs, and one group of vacuum pump main bodies 11 are damaged, other vacuum pump main bodies 11 can be started to continue working, various distribution methods can ensure safe operation of the system, continuous work can be guaranteed, steam in the steam-water separator 9 can be discharged into the atmosphere from the exhaust pipe 10, and liquid can be discharged from the drain pipe 4, the water ring type vacuum system of the thermal power plant is provided with the four groups of small vacuum pump main bodies 11, the traditional vacuum pump main body 11 is large in size, complex in structure, heavy and inconvenient to maintain, the vacuum pump main body 11 is similar to a single-pole centrifugal pump, the structure is simple, a user can disassemble the motor 18 and the vacuum pump main bodies 11 by rotating the fastening nut 20 anticlockwise, maintenance is convenient, and screws in the connecting seat 16 are disassembled, can repair vacuum pump main part 11 is inside, and individual less maintenance is convenient, and the cost is low, spare part unit price can reduce user of service's manufacturing cost, convenient to use, can install motor 18 through installing support 19 simultaneously.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Water ring formula vacuum system of thermal power plant, including gas condenser (1), its characterized in that: a side connecting port (2) is arranged at the upper end of the gas condenser (1) close to the left side, a steam discharging pipe (3) is arranged at the top end of the gas condenser (1) close to the right side, a connecting pipe (6) is arranged at the right side of the gas condenser (1), a valve (5) is arranged between the steam discharge pipe (3) and the connecting pipe (6), four groups of vacuum pump main bodies (11) are arranged on one side of the gas condenser (1), a steam-water separator (9) is arranged on the right side of the vacuum pump main body (11), a drain pipe (4) is arranged at the front end of the steam-water separator (9) close to the bottom, four groups of joint bases (7) are uniformly arranged at the upper end of the steam-water separator (9), the upper end of the joint base (7) is movably provided with a guide pipe (8), and the top end of the steam-water separator (9) is provided with an exhaust pipe (10) close to the rear side.
2. The thermal power plant water ring vacuum system as claimed in claim 1, wherein: the four groups of vacuum pump main bodies (11) are arranged on the left side of the steam-water separator (9) in a linear mode, the steam-water separator (9) is communicated with the vacuum pump main bodies (11) through a connector base (7) and a matching guide pipe (8), and the gas condenser (1) is communicated with a low-pressure cylinder of a steam turbine generator through a side connector (2).
3. The thermal power plant water ring vacuum system as claimed in claim 1, wherein: the utility model discloses a vacuum pump, including vacuum pump main part (11), gas outlet (17), the outside of vacuum pump main part (11) is provided with a plurality of groups connecting seat (16), the front end portion of vacuum pump main part (11) is provided with a plurality of groups fastening nut (20), the front end intermediate position of vacuum pump main part (11) is provided with motor (18), the bottom of motor (18) is provided with installing support (19).
4. The thermal power plant water ring vacuum system as claimed in claim 1, wherein: an impeller (12) is arranged in the vacuum pump main body (11) close to the middle, blades (13) are arranged on the outer side of the impeller (12), and a liquid ring (14) is arranged in the vacuum pump main body (11).
5. The thermal power plant water ring vacuum system of claim 3, wherein: the air outlet (17) is communicated with the connecting pipe (6) through a conduit (8), the air suction port (15) is communicated with the connecting pipe (6) through a pipeline, and the motor (18) is movably mounted on the vacuum pump main body (11) through a fastening nut (20).
6. The thermal power plant water ring vacuum system as claimed in claim 4, wherein: the distance between the circle center of the impeller (12) and the circle center of the vacuum pump main body (11) is two centimeters, the impeller is located inside the vacuum pump main body (11) and close to the lower side, the blades (13) rotate in the vacuum pump main body (11) through the impeller (12), and the impeller (12) is fixedly connected with a transmission shaft of the motor (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022861703.7U CN213711332U (en) | 2020-12-03 | 2020-12-03 | Water ring type vacuum system of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022861703.7U CN213711332U (en) | 2020-12-03 | 2020-12-03 | Water ring type vacuum system of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213711332U true CN213711332U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022861703.7U Active CN213711332U (en) | 2020-12-03 | 2020-12-03 | Water ring type vacuum system of thermal power plant |
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| Country | Link |
|---|---|
| CN (1) | CN213711332U (en) |
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- 2020-12-03 CN CN202022861703.7U patent/CN213711332U/en active Active
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