CN218722543U

CN218722543U - Cooling device for operating equipment of thermal power plant

Info

Publication number: CN218722543U
Application number: CN202221943386.6U
Authority: CN
Inventors: 陈才程; 符平; 云昌锋; 苏湘瑜; 杜欣
Original assignee: Huaneng Yangpu Thermal Power Co Ltd
Current assignee: Huaneng Yangpu Thermal Power Co Ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2023-03-24
Anticipated expiration: 2032-07-26

Abstract

The utility model provides a thermal power plant operating equipment cooling device, include: the refrigerator is fixedly connected to the outer side wall of the operating device, the top end of the operating device is fixedly connected with a water tank, a steam regulating and controlling assembly is arranged at the top end of the water tank, one end of a backflow assembly is arranged on the side wall of the water tank, and the other end of the backflow assembly is fixedly connected to the side wall of the steam regulating and controlling assembly; the steam regulating and controlling assembly is suitable for conveying water vapor generated in the water tank to the backflow assembly, and the backflow assembly is suitable for condensing the water vapor into liquid water and then enabling the liquid water to flow back into the water tank; the opening of the refrigerator is controlled through the coordinated work of the evaporation speed of the liquid water in the water tank and the steam regulation and control assembly, so that the refrigeration effect can be regulated according to the surface temperature of the operating equipment, and the energy waste is reduced.

Description

Cooling device for operating equipment of thermal power plant

Technical Field

The utility model relates to a cooling arrangement technical field, concretely relates to thermal power plant operating equipment cooling device.

Background

With the development of the times, the electric energy consumed by people for production and life is increasingly increased, the demand of the electric energy is also increasingly high, a thermal power plant is a common place for producing the electric energy, and the thermal power plant can convert the heat energy into the electric energy; and when generating electricity, the heat is supplied to users by using the extraction steam or the exhaust steam of the steam turbine.

Thermal power plant's operating equipment is because heat energy influence temperature is higher, often needs cooling device reduce temperature, avoids scalding operating personnel, operating equipment cooling device on the present market, and cooling device circular telegram is refrigerated and is cooled down to operating equipment, can't adjust the refrigeration effect according to operating equipment's surface temperature at the refrigeration in-process to cause the waste of the energy.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model is the defect that the regulation that cooling device can't carry out the refrigeration effect according to operating device's surface temperature leads to the energy extravagant to a steam power plant operating device cooling device is provided.

In order to solve the above problem, the utility model provides a thermal power plant operating equipment cooling device, include: the refrigerator is fixedly connected to the outer side wall of the operating device, the top end of the operating device is fixedly connected with a water tank, a steam regulating and controlling assembly is arranged at the top end of the water tank, one end of a backflow assembly is arranged on the side wall of the water tank, and the other end of the backflow assembly is fixedly connected to the side wall of the steam regulating and controlling assembly;

the steam regulating and controlling assembly is suitable for conveying water vapor generated in the water tank to the backflow assembly, and the backflow assembly is suitable for condensing the water vapor into liquid water and then enabling the water vapor to flow back into the water tank.

Preferably, the steam conditioning assembly comprises: the pneumatic tube, the pneumatic tube runs through the setting and is in the upper end of water tank, sliding connection has first piston in the inner chamber of pneumatic tube, first piston deviates from fixedly connected with ejector pin on the terminal surface of a side of water tank, the ejector pin slides and runs through the pneumatic tube, the outer wall nestification of ejector pin is provided with the pressure spring, the one end fixed connection of pressure spring is in first piston deviates from on the terminal surface of a side of water tank, the other end fixed connection of pressure spring is in the interior roof department of pneumatic tube.

Preferably, a rack plate is fixedly connected to one end, away from the first piston, of the ejector rod, a gear is meshed and connected to one end of the rack plate, a connecting shaft is fixedly connected to the axis of the gear, a supporting frame is rotatably connected to one end, away from the gear, of the connecting shaft, and one end, away from the connecting shaft, of the supporting frame is fixedly connected to the upper end of the water tank;

one end of the gear, which deviates from the support frame, is fixedly connected with a knob.

Preferably, the knob is electrically connected to the refrigerator.

Preferably, one end of the backflow component is arranged on one side wall of the air pressure pipe.

Preferably, the reflow assembly includes: the condenser pipe is characterized in that one end of the condenser pipe is fixedly connected to the side wall of the pneumatic pipe, the other end of the condenser pipe is fixedly connected with a vertical pipe end of a return pipe, the return pipe consists of a vertical pipe and a horizontal pipe, the horizontal pipe end of the return pipe is fixedly connected to the side wall of the water tank, the inner wall of the return pipe is connected with a second piston in a sliding mode, one end, deviating from the condenser pipe, of the second piston is fixedly connected with one end of a guide rod, and the other end of the guide rod is fixedly connected with a cake block;

the second piston deviates from the one end fixedly connected with movable bin of condenser pipe, movable bin fixed connection be in the bottom of the standpipe of back flow, movable bin with the junction fixed mounting of back flow has the baffle, the guide bar runs through the baffle, the outer wall nestification of guide bar is provided with the pipe that resets, the one end fixed connection of pipe that resets is in on the lower terminal surface of second piston, the other end fixed connection of pipe that resets is in on the up end of baffle.

Preferably, the inner wall of the movable bin is fixedly connected with a rubber ring, and the round cake block is in contact connection with the rubber ring.

Preferably, the condensation pipe is of a hollow spiral structure.

Preferably, the elastic rigidity of the reset tube is greater than that of the compression spring.

Preferably, the condensation duct is adapted to introduce water vapour into the return duct.

The utility model has the advantages of it is following:

1. be provided with the backward flow subassembly through the side at the water tank, the water tank preferentially utilizes inside water to cool down, along with the continuous evaporation of water absorption heat, vapor utilizes the condenser pipe condensation to be liquid water, flows into the back flow afterwards, and the backward flow gets into the water tank once more, adopts above-mentioned structure, when operating equipment's surface temperature is not high, can utilize liquid water to absorb the heat on operating equipment surface and cool down to the energy waste that cooling device caused has been reduced.

2. Through setting up steam regulation and control subassembly at the top of water tank, operating equipment utilizes the backward flow subassembly at first to carry out temperature regulation, and when water condensing speed was slower than the evaporation rate, vapor lasted to release first piston and drove the ejector pin and promote rack plate and make the gear rotatory, and the gear rotation drives the knob and rotates and make the refrigerator work to cooling device's cooling regulation is carried out according to operating equipment's surface temperature.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a sectional view of the pneumatic tube structure of the present invention;

fig. 3 is a sectional view of the structure of the return pipe of the present invention.

Description of reference numerals: 1. operating the equipment; 2. a refrigerator; 3. a water tank; 4. a steam conditioning assembly; 401. a pneumatic tube; 402. a first piston; 403. a pressure spring; 404. a top rod; 405. a rack plate; 406. a gear; 407. a support frame; 408. a knob; 5. a reflow assembly; 501. a condenser tube; 502. a return pipe; 503. a second piston; 504. a reset tube; 505. a partition plate; 506. a movable bin; 507. a guide bar; 508. cake blocks; 509. a rubber ring.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed 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.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

In one embodiment, referring to fig. 1, 2 and 3, the present invention provides a cooling device for operating equipment of a thermal power plant, comprising: the refrigerator comprises an operating device 1, a refrigerator 2 is fixedly connected to the outer side wall of the operating device 1, a water tank 3 is fixedly connected to the top end of the operating device 1, a steam regulating component 4 is arranged at the top end of the water tank 3, one end of a backflow component 5 is arranged on the side wall of the water tank 3, and the other end of the backflow component 5 is fixedly connected to the side wall of the steam regulating component 4;

the steam conditioning assembly 4 is adapted to deliver steam generated in the water tank 3 to the return assembly 5, and the return assembly 5 is adapted to condense the steam into liquid water and return the condensed water to the water tank 3.

Specifically, the material that the preferred heat conductivity of water tank 3 is good is made, be provided with the better liquid of heat conductivity in the inner chamber of water tank 3, the preferred can be liquid water, liquid water heat conductivity is good, and the price is comparatively cheap, it is provided with heat conduction filler material to fill between operating equipment 1 and the water tank 3, thereby avoid producing the space and make 3 heat conductivities variation of water tank, water tank 3 and steam regulation and control subassembly 4, be sealing connection between the backward flow subassembly 5, thereby avoid comdenstion water or vapor to flow and produce the damage to operating equipment 1.

Optionally, the steam conditioning assembly 4 comprises: pneumatic tube 401, pneumatic tube 401 runs through the upper end that sets up at water tank 3, sliding connection has first piston 402 in pneumatic tube 401's the inner chamber, fixedly connected with ejector pin 404 on the side end face that first piston 402 deviates from water tank 3, ejector pin 404 slides and runs through pneumatic tube 401, the outer wall nestification of ejector pin 404 is provided with pressure spring 403, the one end fixed connection of pressure spring 403 is on the side end face that first piston 402 deviates from water tank 3, the other end fixed connection of pressure spring 403 is in the interior roof department of pneumatic tube 401.

Optionally, a rack plate 405 is fixedly connected to one end of the push rod 404, which is away from the first piston 402, a gear 406 is engaged and connected to one end of the rack plate 405, a connecting shaft is fixedly connected to the axis of the gear 406, a supporting frame 407 is rotatably connected to one end of the connecting shaft, which is away from the gear 406, and one end of the supporting frame 407, which is away from the connecting shaft, is fixedly connected to the upper end of the water tank 3;

a knob 408 is fixedly connected to an end of the gear 406 facing away from the support frame 407.

Optionally, knob 408 is electrically connected to refrigerator 2.

Specifically, a sealing gasket is arranged at the joint of the ejector rod 404 and the air pressure pipe 401, so that water vapor can be prevented from leaking; the contact surface between the pneumatic tube 401 and the first piston 402 has good sealing performance, and can prevent the water vapor from entering the upper part of the first piston 402 to cause the sealing performance damage of the pneumatic tube 401 (when the pressure above the pneumatic tube 401 is higher, the first piston 402 can not slide upwards to cause the system damage).

The knob 408 reaches a predetermined rotation speed to start the refrigerator 2 to perform a cooling operation.

Optionally, one end of the backflow component 5 is arranged on one side wall of the air pressure pipe 401.

Optionally, the reflow assembly 5 includes: one end of the condensation pipe 501 is fixedly connected to the side wall of the pneumatic pipe 401, the other end of the condensation pipe 501 is fixedly connected with the vertical pipe end of the return pipe 502, the return pipe 502 consists of a vertical pipe and a horizontal pipe, the horizontal pipe end of the return pipe 502 is fixedly connected to the side wall of the water tank 3, the inner wall of the return pipe 502 is connected with a second piston 503 in a sliding mode, one end, away from the condensation pipe 501, of the second piston 503 is fixedly connected with one end of a guide rod 507, and the other end of the guide rod 507 is fixedly connected with a cake block 508;

one end of the second piston 503, which is away from the condenser pipe 501, is fixedly connected with a movable bin 506, the movable bin 506 is fixedly connected to the bottom end of a vertical pipe of the return pipe 502, a partition plate 505 is fixedly installed at the joint of the movable bin 506 and the return pipe 502, a guide rod 507 penetrates through the partition plate 505, a reset pipe 504 is nested on the outer wall of the guide rod 507, one end of the reset pipe 504 is fixedly connected to the lower end face of the second piston 503, and the other end of the reset pipe 504 is fixedly connected to the upper end face of the partition plate 505.

Optionally, a rubber ring 509 is fixedly connected to the inner wall of the movable bin 506, and the cake block 508 is in contact with the rubber ring 509.

Optionally, the condensation pipe 501 is a hollow spiral structure.

Specifically, the connecting position of the condensation pipe 501 and the air pressure pipe 401 is higher than the connecting position of the condensation pipe 501 and the return pipe 502, so that the condensation pipe 501 is arranged obliquely towards the lower left, the spiral arrangement of the condensation pipe 501 can increase the contact area with water vapor, and the cooling effect is improved.

Optionally, the elastic stiffness of the return tube 504 is greater than the elastic stiffness of the compression spring 403.

Specifically, considering that the temperature rising speed of the operation device 1 is fast, the water vapor generating speed in the water tank 3 is faster than the condensed water vapor of the return flow component 5 to become liquid water, so the elastic rigidity of the return pipe 504 is required to be large, and the situation that the temperature of the operation device 1 rises too fast due to the fact that the condensing and cooling speed of the return flow component 5 is not too fast to cool the operation device 1 and the refrigerator 2 is not started in the process of fast temperature rise is prevented.

Optionally, the condenser 501 is adapted to introduce water vapor into the return line 502.

Wherein, the water tank 3 is installed at the upper end of the operation device 1, the water tank 3 is a hollow sealing structure, and liquid water is contained inside, specifically, the operation device 1 generates heat during starting or working, when the operation device 1 and the water tank 3 have a temperature difference, the liquid water in the water tank 3 absorbs the heat and is gasified into steam, the steam enters the air pressure pipe 401 in the steam control assembly 4 upwards, and then pushes the first piston 402 to slide upwards along the inner wall of the air pressure pipe 401, in an initial state, the first piston 402 is kept at an initial position, at this time, the first piston 402 can block the communication between the air pressure pipe 401 and the backflow assembly 5, when the first piston 402 slides upwards slowly, the air pressure pipe 401 and the backflow assembly 5 are communicated, the steam enters the condensation pipe 501 in the backflow assembly 5 through the air pressure pipe 401 to be condensed into liquid water, the liquid water can flow into the standpipe end of the backflow pipe 502 under the action of gravity, because the condensation pipe 501 inclines towards the lower left, condensed water can automatically flow into the return pipe 502, because the horizontal tube height of the return pipe 502 is flush with the second piston 503, the bottom of the return pipe 502 is supported by the reset pipe 504, and the rubber ring 509 supports the cake block 508, condensed water cannot immediately flow into the water tank 3 from the horizontal tube, when the weight of the condensed water in the vertical tube part of the return pipe 502 can make the downward force of the cake block 508 larger than the resistance of the rubber ring 509 to the cake block 508, the second piston 503 moves downwards to compress the reset pipe 504, the accumulated liquid water can downwards press the second piston 503 under the action of gravity, so that the second piston 503 slides downwards along the vertical tube end of the return pipe 502, in the initial state, the second piston 503 is kept at the initial position, at this time, the second piston 503 can prevent the vertical tube end of the return pipe 502 from communicating with the horizontal tube end of the return pipe 502, when the second piston 503 slowly slides downwards, the vertical pipe end of the return pipe 502 and the horizontal pipe end of the return pipe 502 can be communicated, the condensed water can flow into the water tank 3 through the horizontal pipe end of the return pipe 502, the liquid water in the vertical pipe of the return pipe 502 completely flows out, then the return pipe 504 resets the second piston 503, the round cake block 508 clamps the rubber ring 509 again, the accumulated water quantity is prevented from being continuously added with a small amount of water, cooling can not be carried out, the structure is adopted, and the condensation after water heat absorption and evaporation is used for cooling the operating equipment again.

Specifically, the connecting end of the condenser pipe 501 and the air pressure pipe 401 is higher than the connecting end of the condenser pipe 501 and the return pipe 502, and the inclined arrangement can facilitate the condensed water to flow into the vertical pipe of the return pipe 502 under the action of gravity; the transverse pipe end of the return pipe 502 is arranged at the upper end of the water tank 3, and the arrangement at the upper end of the water tank 3 can reduce the flow of water in the water tank 3 into the transverse pipe end of the return pipe 502, so that the return efficiency of condensed water is improved; the joint of the condensation pipe 501 and the air pressure pipe 401 is subjected to leakage prevention treatment, and the joint of the return pipe 502 and the water tank 3 is subjected to leakage prevention treatment; the joint of the condensation pipe 501 and the return pipe 502 is processed for leakage prevention.

In an alternative embodiment, the material of the condensation pipe 501 is not limited, and only the thermal conductivity is good, and the condensation pipe 501 is spirally wound, so that the condensation effect can be improved by increasing the contact area between the condensation pipe 501 and the water vapor.

Example 2

In one embodiment, referring to fig. 1 and 2, when the water condensation speed is slower than the evaporation speed, the liquid water in the water tank 3 will accelerate to generate steam to move upwards, and since the elastic stiffness of the return tube 504 is greater than that of the compression spring 403, the steam will make the first piston 402 move upwards and compress the compression spring 403, so as to push the first piston 402 to move upwards along the air tube 401, the ejector rod 404 will be pushed out during the upwards sliding of the first piston 402, the upward movement of the ejector rod 404 will drive the rack plate 405 to move upwards, so as to drive the engaged gear 406 to rotate, during the rotation of the gear 406, the knob 408 rotates to make the refrigerator 2 work, and can adjust the cooling temperature according to the internal steam amount, the refrigerator 2 makes the operating device 1 cool down, and when the thrust generated by the steam becomes small, the compression spring 403 will push the first piston 402 to move downwards along the air tube 401, so as to power off the refrigerator 2.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A cooling apparatus for operating equipment of a thermal power plant, comprising: the refrigerator comprises an operating device (1), a refrigerator (2) is fixedly connected to the outer side wall of the operating device (1), a water tank (3) is fixedly connected to the top end of the operating device (1), a steam regulating and controlling component (4) is arranged at the top end of the water tank (3), one end of a backflow component (5) is arranged on the side wall of the water tank (3), and the other end of the backflow component (5) is fixedly connected to the side wall of the steam regulating and controlling component (4);

the steam regulating and controlling assembly (4) is suitable for conveying water vapor generated in the water tank (3) to the backflow assembly (5), and the backflow assembly (5) is suitable for enabling the water vapor to be condensed into liquid water and then to flow back into the water tank (3).

2. The cooling apparatus for the operating device of the thermal power plant according to claim 1, comprising: the steam conditioning assembly (4) comprises: pneumatic tube (401), pneumatic tube (401) runs through the setting and is in the upper end of water tank (3), sliding connection has first piston (402) in the inner chamber of pneumatic tube (401), first piston (402) deviates from fixedly connected with ejector pin (404) on the side end face of water tank (3), ejector pin (404) slide and run through pneumatic tube (401), the outer wall nestification of ejector pin (404) is provided with pressure spring (403), the one end fixed connection of pressure spring (403) is in first piston (402) deviates from on the side end face of water tank (3), the other end fixed connection of pressure spring (403) is in the interior roof department of pneumatic tube (401).

3. A cooling apparatus for operating equipment of a thermal power plant according to claim 2, comprising: a rack plate (405) is fixedly connected to one end, away from the first piston (402), of the ejector rod (404), a gear (406) is connected to one end of the rack plate (405) in a meshed mode, a connecting shaft is fixedly connected to the axis of the gear (406), a supporting frame (407) is rotatably connected to one end, away from the gear (406), of the connecting shaft, and one end, away from the connecting shaft, of the supporting frame (407) is fixedly connected to the upper end of the water tank (3);

one end of the gear (406) departing from the support frame (407) is fixedly connected with a knob (408).

4. A cooling apparatus for operating equipment of a thermal power plant according to claim 3, comprising: the knob (408) is electrically connected to the refrigerator (2).

5. A cooling apparatus for operating equipment of a thermal power plant according to claim 2, comprising: one end of the backflow component (5) is arranged on the side wall of one side of the air pressure pipe (401).

6. A cooling apparatus for operating equipment of a thermal power plant according to claim 2, comprising: the reflow assembly (5) includes: the condenser pipe (501), one end of the condenser pipe (501) is fixedly connected to the side wall of the pneumatic pipe (401), the other end of the condenser pipe (501) is fixedly connected with the vertical pipe end of the return pipe (502), the return pipe (502) is composed of a vertical pipe and a horizontal pipe, the horizontal pipe end of the return pipe (502) is fixedly connected to the side wall of the water tank (3), the inner wall of the return pipe (502) is slidably connected with a second piston (503), one end, away from the condenser pipe (501), of the second piston (503) is fixedly connected with one end of a guide rod (507), and the other end of the guide rod (507) is fixedly connected with a cake block (508);

the second piston (503) deviates from one end fixedly connected with movable bin (506) of condenser pipe (501), movable bin (506) fixed connection be in the bottom of the standpipe of back flow pipe (502), movable bin (506) with the junction fixed mounting of back flow pipe (502) has baffle (505), guide bar (507) run through baffle (505), the outer wall nestification of guide bar (507) is provided with reset tube (504), the one end fixed connection of reset tube (504) is in on the lower terminal surface of second piston (503), the other end fixed connection of reset tube (504) is in on the up end of baffle (505).

7. The cooling apparatus for the operating device of the thermal power plant according to claim 6, comprising: the inner wall of the movable bin (506) is fixedly connected with a rubber ring (509), and the round cake block (508) is in contact connection with the rubber ring (509).

8. The cooling apparatus for the operating device of the thermal power plant according to claim 6, comprising: the condensation pipe (501) is of a hollow spiral structure.

9. The cooling apparatus for the operating device of the thermal power plant according to claim 6, comprising: the elastic rigidity of the reset tube (504) is larger than that of the compression spring (403).

10. The cooling apparatus for the operating device of the thermal power plant according to claim 6, comprising: the condensation duct (501) is adapted to lead water vapour to a return duct (502).