CN217210239U - Maintenance device applied to power plant water vapor system - Google Patents
Maintenance device applied to power plant water vapor system Download PDFInfo
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- CN217210239U CN217210239U CN202221182531.3U CN202221182531U CN217210239U CN 217210239 U CN217210239 U CN 217210239U CN 202221182531 U CN202221182531 U CN 202221182531U CN 217210239 U CN217210239 U CN 217210239U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model provides a maintenance device applied to a power plant water vapor system, which comprises a compressed air main pipe, a maintenance main pipe, a first valve, a heater, an exhaust pipe and a humidity sensor; one end of the maintenance main pipe is communicated with the compressed air main pipe, and the other end of the maintenance main pipe is communicated with a power plant water vapor system; the first valve is arranged on the maintenance main pipe, and the heater is arranged on the maintenance main pipe, is positioned on one side of the first valve, which is far away from the compressed air main pipe, and is used for heating the compressed air in the maintenance main pipe; the exhaust pipe and the exhaust valve are communicated with the power plant water vapor system and used for exhausting; the humidity sensor is arranged on the exhaust pipe. The utility model discloses a technological effect lies in, and structural design is reasonable, can make the steam system of power plant drop into the maintenance fast, and the maintenance is effectual, consume lowly.
Description
Technical Field
The utility model belongs to the technical field of the power plant is maintained, concretely relates to be applied to maintenance device of power plant's steam system.
Background
The debugging period of nuclear power units and thermal power units is long, and a water vapor system of a power plant needs to be maintained for a long time. Compared with maintenance methods such as a nitrogen filling method, a vapor phase corrosion inhibitor method, medicine adding wet maintenance and the like, the dry air drying method has the advantages of good maintenance effect, long protection period, easiness in maintenance, low energy consumption and the like, and has good feasibility and economy. As shown in fig. 1, from the graph of the corrosion rate of metal in the atmosphere versus the relative humidity, when the humidity in the power plant steam system is less than 60%, the corrosion rate is significantly reduced and can be further reduced with the reduction of the humidity. When the humidity drops below 35%, corrosion substantially no longer occurs.
The conventional dry air drying method for maintaining a water vapor system of a power plant at present comprises the following steps: use hot air drier to dehumidify the back with the air, produce dry air and let in the steam system of power plant and maintain in, reduce the inside humidity of steam system of power plant in order to prevent to form the water film on equipment surface to it corrodes to restrain the inside oxygen that receives of steam system of power plant. However, the above maintenance method still has the following problems:
after a water vapor system of a power plant is shut down, residual water vapor in the system needs to be dried by dry air before maintenance so as to reduce the humidity in the system, and because the capacity of preparing the dry air by a hot dry air blower is limited, the outlet flow is low, the humidity in the system can be reduced to below 50 percent in a long time. In addition, in the process of reducing the humidity, the corrosion of the water vapor system of the power plant is accelerated due to the fact that the humidity in the water vapor system of the power plant is high, and therefore the maintenance of the water vapor system of the power plant is not facilitated. On the other hand, the outlet pressure of the hot dry air blower is low (about 300 pa), and when the system is maintained and recovered, the check valve in the system needs to be disassembled and assembled, so that the workload is large, and the sealing of the check valve is easy to be poor.
Therefore, the existing maintenance method of the power plant water vapor system is unreasonable in design and poor in maintenance effect of the power plant water vapor system.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, provide a new technical scheme who is applied to the maintenance device of power plant's steam system.
According to a first aspect of the application, a maintenance device applied to a steam system of a power plant is provided, comprising:
the compressed air main pipe is used for providing compressed air;
one end of the maintenance main pipe is communicated with the compressed air main pipe, and the other end of the maintenance main pipe is communicated with a power plant water vapor system;
the first valve is arranged on the maintenance main pipe and used for controlling the maintenance main pipe to be opened or closed; the heater is arranged on the maintenance main pipe, is positioned on one side of the first valve, which is far away from the compressed air main pipe, and is used for heating the compressed air in the maintenance main pipe;
the exhaust pipe is communicated with the power plant water vapor system and used for exhausting; the humidity sensor is arranged in the exhaust pipe and used for monitoring the humidity in the exhaust pipe.
Optionally, the maintenance kit applied to the power plant steam system further comprises:
the branch main pipe is communicated with the maintenance main pipe;
the maintenance branch pipe, it is a plurality of the maintenance branch pipe respectively with branch mother's pipe intercommunication, and every keeping away from of maintenance branch pipe the one end of branch mother's pipe all is connected with one the steam system of power plant.
Optionally, the maintenance device applied to the power plant steam system further comprises:
and each maintenance branch pipe is provided with a second valve for controlling the opening or closing of the maintenance branch pipe.
Optionally, the maintenance device applied to the power plant steam system further comprises:
and the second valve is detachably connected with the connecting flange.
Optionally, when the second valve is detached from the connecting flange, the connecting flange is configured to be connected to a nitrogen service hose through which nitrogen service is put into the power plant steam system.
Optionally, the maintenance device applied to the power plant steam system further comprises:
and the exhaust valve is connected with one steam system of the power plant, and one exhaust pipe is arranged on each exhaust pipe.
Optionally, each exhaust pipe is provided with one humidity sensor.
Optionally, the humidity sensor is disposed at an end of the exhaust pipe remote from the power plant steam system.
Optionally, the maintenance device applied to the power plant steam system further comprises:
the humidity sensor, the second valve and the heater are respectively electrically connected with the control system;
when the humidity sensor monitors that the exhaust humidity in the exhaust pipe is smaller than a preset value, the control system controls the heater to be closed and controls the opening of the second valve to adjust the flow of compressed air entering a water vapor system of the power plant.
Optionally, the preset value is 35%.
One technical effect of this application lies in:
in the application, one end of the maintenance main pipe is communicated with the compressed air main pipe, and the other end of the maintenance main pipe is communicated with a water vapor system of the power plant; the first valve is arranged on the maintenance main pipe, and the heater is arranged on the maintenance main pipe. Meanwhile, the exhaust pipe is communicated with a water vapor system of the power plant, and the humidity sensor is arranged on the exhaust pipe. Consequently, carry out the maintenance in letting in power plant's steam system with the female intraductal compressed air of compressed air, through opening or closing of the main pipe of first valve control maintenance, it is very convenient to operate, is convenient for realize the maintenance to power plant's steam system fast. Meanwhile, the humidity in the exhaust pipe is monitored in real time through the humidity sensor, and the humidity exceeding of a steam system of the power plant is avoided.
In addition, this be applied to maintenance device of power plant's steam system structural design is reasonable, and after power plant's steam system or water system outage, the large-traffic compressed air after making the heating gets into power plant's steam system to can weather remaining steam in the power plant's steam system, make power plant's steam system get into dry maintenance state fast, reduced the harm of high humid environment equipment in to the power plant's steam system.
The compressed air that lets in the steam system of power plant is high, and when maintenance and system resume, need not dismouting check valve in the steam system of power plant, work load is little, has avoided the damage of the sealed face of check valve.
Drawings
FIG. 1 is a graphical representation of the corrosion rate of a conventional carbon steel versus the relative humidity of air;
fig. 2 is a schematic structural view of a maintenance device applied to a steam system of a power plant according to an embodiment of the present invention.
In the figure: 1. a compressed air main pipe; 2. maintaining a main pipe; 3. a power plant steam system; 4. a first valve; 5. a heater 6, an exhaust pipe; 7. a humidity sensor; 8. a branch main pipe; 9. maintaining the branch pipe; 10. a second valve; 11. a connecting flange; 12. and (4) exhausting the valve.
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, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 2, the embodiment of the present application provides a maintenance device applied to a steam system of a power plant, which is used for maintaining equipment of the steam system of the power plant, and has a good maintenance effect.
Specifically, the maintenance device applied to the power plant water vapor system comprises a compressed air main pipe 1, a maintenance main pipe 2, a first valve 4, a heater 5, an exhaust pipe 6 and a humidity sensor 7. Wherein, the compressed air main pipe 1 is used for providing compressed air.
One end of the main maintenance pipe 2 is communicated with the main compressed air pipe 1, and the other end of the main maintenance pipe is communicated with the power plant water vapor system 3. Compressed air can be in proper order through the female pipe of compressed air 1, the maintenance is responsible for 2 and is got into power plant's steam system 3 to each equipment to power plant's steam system 3 maintains.
The first valve 4 is arranged on the main maintenance pipe 2 and used for controlling the opening or closing of the main maintenance pipe 2; the heater 5 is arranged on the maintenance main pipe 2 and is positioned on one side, far away from the compressed air main pipe 1, of the first valve 4, and is used for heating the compressed air in the maintenance main pipe 2. The heater 5 heats the compressed air, and the speed of drying the residual water vapor in the water vapor system 3 of the power plant by the compressed air can be increased, so that the water vapor system 3 of the power plant can quickly enter a drying maintenance state, and the harm of a high-humidity environment to equipment in the water vapor system 3 of the power plant can be effectively avoided.
The exhaust pipe 6 is communicated with the power plant water vapor system 3 and is used for exhausting gas; the humidity sensor 7 is disposed in the exhaust pipe 6, and is configured to monitor humidity in the exhaust pipe 6. The humidity in the power plant water vapor system 3 can be effectively monitored in real time through the humidity sensor 7, and then the humidity in the power plant water vapor system 3 is rapidly adjusted according to a monitoring result, so that the humidity of the power plant water vapor system 3 is better prevented from exceeding the standard.
In the application, one end of a maintenance main pipe 2 is communicated with a compressed air main pipe 1, and the other end is communicated with a power plant water vapor system 3; the first valve 4 is provided on the maintenance main pipe 2, and the heater 5 is provided on the maintenance main pipe 2. Meanwhile, the exhaust pipe 6 is communicated with the power plant water vapor system 3, and the humidity sensor 7 is arranged on the exhaust pipe 6. Consequently, let in the compressed air of power plant steam system 3 in with the female pipe 1 of compressed air and carry out the maintenance, be responsible for opening or closing of 2 through first valve 4 control maintenance, it is very convenient to operate, is convenient for realize the maintenance to power plant steam system 3 fast. Meanwhile, the humidity in the exhaust pipe 6 is monitored in real time through the humidity sensor 7, and the humidity of the power plant water vapor system 3 is prevented from exceeding the standard.
In addition, this be applied to maintenance device of power plant's steam system structural design is reasonable, and after power plant's steam system or water system outage, the large-traffic compressed air after making the heating gets into power plant's steam system 3 to can weather remaining steam in the power plant's steam system 3, make power plant's steam system 3 get into dry maintenance state fast, reduced the harm of high humid environment to equipment in the power plant's steam system 3.
The compressed air that lets in the steam system of power plant is high, and when maintenance and system resume, need not dismouting check valve in the steam system of power plant, work load is little, has avoided the damage of the sealed face of check valve.
Optionally, the maintenance kit applied to the power plant steam system further comprises:
a branch main pipe 8, wherein the branch main pipe 8 is communicated with the maintenance main pipe 2;
maintenance branch pipe 9, it is a plurality of maintenance branch pipe 9 respectively with the female pipe 8 intercommunication of branch, and every keeping away from of maintenance branch pipe 9 the one end of the female pipe 8 of branch all is connected with one power plant steam system 3.
In the above-mentioned embodiment, be responsible for 2 intercommunications through branch female pipe 8 and maintenance, a plurality of maintenance branch pipes 9 of rethread respectively with branch female pipe 8 intercommunication for compressed air gets into power plant steam system 3 and maintains the equipment of power plant steam system 3 through compressed air female pipe 1, maintenance person in charge 2, branch female pipe 8, maintenance branch pipe 9 in proper order. The cooperation of branch female pipe 8, a plurality of maintenance branch pipes 9 makes compressed air can get into a plurality of different power plant steam systems 3 simultaneously and maintain, and maintenance efficiency is higher. Of course, the corresponding power plant water vapor system 3 can be selected according to actual needs for maintenance, the pertinence is good, and the maintenance effect of the power plant water vapor system 3 is guaranteed.
Optionally, the maintenance device applied to the power plant steam system further comprises:
and a second valve 10, wherein each service branch pipe 9 is provided with the second valve 10 for controlling the opening or closing of the service branch pipe 9.
In the above embodiment, whether the power plant steam system 3 connected with the maintenance branch pipe 9 is maintained or not can be effectively controlled through the second valve 10, the operation is simple, maintenance is convenient for simultaneously to the power plant steam systems 3 of a plurality of differences, and the maintenance efficiency is high.
Optionally, the maintenance device applied to the power plant steam system further comprises:
and the connection flanges 11 are arranged on the maintenance branch pipes 9, and the second valve 10 is detachably connected with the connection flanges 11.
In the above embodiment, the second valve 10 is detachably connected to the service branch pipe 9 through the connecting flange 11, so that the connection relationship is relatively simple, the operation is convenient, and the installation and the detachment of the second valve 10 can be quickly realized.
Optionally, when the second valve 10 is detached from the connecting flange 11, the connecting flange 11 is configured to be connected to a nitrogen service hose, through which nitrogen service is put into the plant steam system 3. Moreover, the nitrogen maintenance hose is simple to disassemble and assemble, and the joint is not easy to disengage.
In the above embodiment, through this maintenance device can drop into nitrogen gas in order to realize filling nitrogen maintenance to power plant's steam system 3 in power plant's steam system 3, can satisfy the diversified maintenance demand of power plant's steam system 3 better.
Optionally, the maintenance device applied to the power plant steam system further comprises:
and the exhaust valves 12 are arranged, and each power plant water vapor system 3 is connected with one exhaust pipe 6 and each exhaust pipe 6 is provided with one exhaust valve 12. The exhaust valve 12 controls the displacement of compressed air in the power plant steam system 3, and increases the displacement when the humidity in the power plant steam system 3 is high, and reduces the displacement when the humidity is low. The stability and the high efficiency of the whole maintenance device in the maintenance process of the power plant water vapor system 3 are ensured.
Optionally, each exhaust pipe 6 is provided with one humidity sensor 7. Humidity transducer 7 can monitor the humidity in the blast pipe 6 that corresponds, also, every power plant steam system 3 all has corresponding humidity transducer 7 to can accurately monitor every power plant steam system 3's humidity, avoid power plant steam system 3's humidity to exceed standard betterly, thereby can protect power plant steam system 3 better.
Optionally, the humidity sensor 7 is disposed at an end of the exhaust pipe 6 away from the power plant steam system 3. This enables the humidity sensor 7 to accurately monitor the humidity in the exhaust pipe 6. Furthermore, the humidity sensor 7 is located on the side of the second valve 10 away from the power plant steam system 3, which not only facilitates the installation of the humidity sensor 7, but also enables the humidity in the exhaust pipe 6 to be quickly monitored by the humidity sensor 7 when the second valve 10 is opened.
Optionally, the maintenance device applied to the power plant steam system further comprises:
the humidity sensor 7, the second valve 10 and the heater 5 are respectively electrically connected with the control system;
when the humidity sensor 7 monitors that the exhaust humidity in the exhaust pipe 6 is smaller than a preset value, the control system controls the heater 5 to be closed and controls the opening of the second valve 10, so that the flow of compressed air entering the steam system 3 of the power plant is adjusted and controlled, the whole maintenance device is favorably kept to have proper humidity, and the corrosion of equipment in the steam system 3 of the power plant is effectively avoided.
In the above embodiment, the humidity sensor 7, the second valve 10 and the heater 5 can be automatically controlled by the control system, so that the control effect is good, and the power plant steam system 3 is favorably kept to have proper humidity, so that the power plant steam system 3 is better protected.
Optionally, the preset value is 35%. The method can better protect the water vapor system 3 of the power plant and effectively avoid the damage of the high-humidity environment to the equipment in the water vapor system 3 of the power plant.
In a specific embodiment, a main maintenance pipe 2 is led out from a compressed air main pipe 1 of a power plant, a first valve 4 and a heater 5 are arranged on the main maintenance pipe 2, and the outlet end of the main maintenance pipe 2 is connected with a branch main pipe 8; the main pipe 8 of branch connects out corresponding maintenance branch pipe 9 according to the maintenance demand of power plant steam system 3, and every maintenance branch pipe 9 is connected to the original flange 11 that fills nitrogen port department of power plant through second valve 10, and power plant steam system 3 connects blast pipe 6, and blast pipe 6 sets up humidity transducer 7, and the humidity of the gas vent of each blast pipe 6 of all humidity transducer 7 real-time supervision to with data transmission to the control system (DCS system) of main control room.
For example, after the steam system 3 of a certain power plant is shut down, the steam or water in the steam system 3 of the power plant is exhausted, the first valve 4, the corresponding second valve 10 and the corresponding exhaust valve 12 are opened, the heater 5 is started, the large flow of heated compressed air is introduced into the steam system 3 of the power plant, and the residual steam in the system is dried quickly. When the exhaust humidity monitored by the humidity sensor 7 is less than 35%, the heater 5 can be closed, the opening degree of the exhaust valve 12 is reduced, and meanwhile, the second valve 10 is controlled to reduce the introduction amount of compressed air, so that the consumption of the compressed air for maintaining the steam system of the power plant is reduced, and the energy consumption for maintaining the steam system of the power plant is reduced.
It should be noted that, during the maintenance of the steam system 3 of power plant, each humidity transducer 7 real-time supervision each gas vent humidity and with data transmission to control system (DCS system), when the gas vent humidity of a certain steam system 3 of power plant exceeded 50%, can trigger the DCS warning, the maintenance of this steam system 3 of power plant did not reach the effect, at this moment, the operating personnel need increase the aperture of discharge valve 12 on the spot, adjust the 10 apertures of second valve, increase the maintenance flow of this steam system 3 of power plant, make the humidity of this steam system 3 of power plant gas vent fall to below 50% as early as possible. If the effect is not good, the steam in the steam system 3 of other power plants is shown to enter the steam system 3 of the power plant, the heater 5 can be started, the steam in the steam system 3 of the power plant is dried quickly, the steam system 3 of the power plant is in a dry state as soon as possible, and the corrosion of equipment is reduced.
If a certain power plant's steam system 3 need drop into nitrogen gas maintenance, the second valve 10 that can remove to correspond is connected to original nitrogen filling mouth flange with nitrogen gas maintenance hose, satisfies the diversified maintenance demand of power plant's steam system 3.
This be applied to maintenance device of power plant steam system has following advantage:
1. after the steam or water system of the power plant is shut down, the heated high-flow compressed air enters the power plant water vapor system 3 to blow dry the residual water vapor, so that the power plant water vapor system 3 can enter a drying maintenance state quickly, and the harm of a high-humidity environment to the equipment of the power plant water vapor system 3 is reduced.
2. And each exhaust pipe 6 is provided with a humidity sensor 7, and the monitoring result is transmitted to the control system in real time. When the humidity exceeds the standard, the staff intervenes in time, so that untimely manual inspection and exceeding of the humidity in the water vapor system 3 of the power plant are avoided.
3. The same heater 5 that can share during the maintenance of a plurality of power plant steam systems 3 can weathered a certain power plant steam system 3 alone, also can weathers a plurality of power plant steam systems 3 simultaneously, and maintenance efficiency is higher.
4. This maintenance device is connected to the original maintenance pipeline of filling nitrogen of power plant through the carbon steel pipeline, and bearing capacity is strong, and compressed air pressure can reach 0.8MPa, need not demolish the check valve during power plant's steam system maintenance and can form the passageway, and convenient operation can drop into compressed air maintenance as required fast.
5. The second valve 10 can adjust the amount of compressed air entering each power plant water vapor system 3 according to the maintenance condition of each power plant water vapor system 3, and the control is flexible.
6. The original compressed air system and the nitrogen filling maintenance system of the power plant are fully utilized, the equipment needing to be increased in modification is less, and the cost is low.
7. The compressed air of the power plant is easy to prepare in large quantity, has extremely low water content (the relative humidity is below 1 percent), and has good maintenance effect and low consumption.
8. When thermal state equipment in the power plant water vapor system needs to be overhauled, large-flow compressed air can be introduced through the maintenance port, and the temperature of 3 equipment in the power plant water vapor system is rapidly reduced, so that the equipment can meet the overhauling condition as soon as possible.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A maintenance device for a steam system of a power plant, comprising:
the compressed air main pipe is used for providing compressed air;
one end of the maintenance main pipe is communicated with the compressed air main pipe, and the other end of the maintenance main pipe is communicated with a power plant water vapor system;
the first valve is arranged on the maintenance main pipe and used for controlling the maintenance main pipe to be opened or closed; the heater is arranged on the maintenance main pipe, is positioned on one side of the first valve, which is far away from the compressed air main pipe, and is used for heating the compressed air in the maintenance main pipe;
the exhaust pipe is communicated with the power plant water vapor system and used for exhausting; the humidity sensor is arranged in the exhaust pipe and used for monitoring the humidity in the exhaust pipe.
2. The maintenance device of claim 1, further comprising:
the branch main pipe is communicated with the maintenance main pipe;
the maintenance branch pipe, it is a plurality of the maintenance branch pipe respectively with the female pipe intercommunication of branch, and every keeping away from of maintenance branch pipe the one end of the female pipe of branch all is connected with one the power plant steam system.
3. The maintenance device of claim 2, further comprising:
and each maintenance branch pipe is provided with a second valve for controlling the opening or closing of the maintenance branch pipe.
4. The maintenance device of claim 3, further comprising:
and the second valve is detachably connected with the connecting flange.
5. The power plant steam system of claim 4, wherein the flange is configured to couple to a nitrogen service hose when the second valve is removed from the flange, the nitrogen service hose being configured to deliver nitrogen service to the power plant steam system.
6. The maintenance device applied to a power plant steam system of claim 2, further comprising:
and the exhaust valve is connected with one steam system of the power plant, and one exhaust pipe is arranged on each exhaust pipe.
7. The maintenance device applied to a power plant steam system of claim 6, wherein each exhaust pipe is provided with one of the humidity sensors.
8. The maintenance device of claim 7, wherein the humidity sensor is disposed at an end of the exhaust pipe away from the steam system of the power plant.
9. The maintenance device of claim 3, further comprising:
the humidity sensor, the second valve and the heater are respectively and electrically connected with the control system;
when the humidity sensor monitors that the exhaust humidity in the exhaust pipe is smaller than a preset value, the control system controls the heater to be closed and controls the opening of the second valve to adjust the flow of compressed air entering a water vapor system of the power plant.
10. The power plant steam system maintenance device of claim 9, wherein the predetermined value is 35%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221182531.3U CN217210239U (en) | 2022-05-17 | 2022-05-17 | Maintenance device applied to power plant water vapor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221182531.3U CN217210239U (en) | 2022-05-17 | 2022-05-17 | Maintenance device applied to power plant water vapor system |
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| Publication Number | Publication Date |
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| CN217210239U true CN217210239U (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221182531.3U Active CN217210239U (en) | 2022-05-17 | 2022-05-17 | Maintenance device applied to power plant water vapor system |
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| CN (1) | CN217210239U (en) |
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2022
- 2022-05-17 CN CN202221182531.3U patent/CN217210239U/en active Active
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