CN215930594U

CN215930594U - Coal-fired unit condenser for power station

Info

Publication number: CN215930594U
Application number: CN202121419584.8U
Authority: CN
Inventors: 吕蒙; 徐德勤; 王海彬; 王莺歌; 林森; 赵罡; 宋文波; 王霄
Original assignee: Dalian Power Plant of Huaneng International Power Co Ltd
Current assignee: Dalian Power Plant of Huaneng International Power Co Ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-03-01
Anticipated expiration: 2031-06-24

Abstract

The utility model provides a coal-fired unit condenser for a power station, which comprises a frame, wherein the frame comprises a support rod and an adjusting component, the edge of the top surface of the frame is symmetrically provided with the support rod, the support rod is arranged in a conical shape, the top end of the support rod is provided with a steam distribution pipe, the inner walls of two sides of the steam distribution pipe, which are close to the support rod, are parallel and symmetrically provided with exhaust ports, the outer surface of one side of the steam distribution pipe, which is close to the exhaust ports, is provided with a radiating pipe bundle, the bottom of the radiating pipe bundle is connected with a water return pipe, the inner wall of the bottom surface of the water return pipe is provided with the adjusting component, the adjusting component comprises a water discharge pipe, the inner wall of the bottom surface of the water return pipe is provided with a water discharge pipe, the outer wall of the periphery of the water discharge pipe, which is close to the water return pipe, is provided with a first water discharge port, a movable block is arranged in the water discharge pipe, the movable block is in sliding connection with the inner wall of the water discharge pipe, the top surface of the movable block is provided with a connecting rod, a floating block is arranged far away from the movable block, a water level adjusting device is arranged in the condenser, the phenomenon that the water level of the condensed water is too high or too low can be avoided, and the service life of the condenser is prolonged.

Description

Coal-fired unit condenser for power station

Technical Field

The utility model mainly relates to the technical field of power generation equipment, in particular to a coal-fired unit condenser for a power station.

Background

The condenser is a heat exchanger with steam turbine exhaust condensation water, and condenser on the existing market lacks to the comdenstion water level regulation facility, and the comdenstion water level is too high or low all can cause the damage to the condenser, reduces the life of condenser.

According to the patent document application number (CN201010551368.9), the optimization method of the spray humidification system of the direct air-cooling condenser is used for improving the vacuum degree of the condenser and ensuring the safe and economic operation of a generator set. The technical scheme is as follows: the method is characterized in that the working performance of the air-cooled condenser under the existing spray humidification system is numerically simulated, and the influence of the distance between a nozzle and a heat transfer surface, the installation height of the nozzle and the spray direction angle on the pressure of the air-cooled condenser is analyzed, so that the optimal value range of the parameters is obtained, and the optimal arrangement mode of the atomizing nozzles is determined. The utility model simulates the working performance of the air-cooled condenser under the existing spray humidification system through numerical value, optimizes the distance between the nozzle and the heat transfer surface, the nozzle installation height and the spray direction angle, thereby obtaining the optimal value range of the parameters, determines the optimal arrangement mode of the atomizing nozzles, improves the vacuum degree of the condenser to the maximum extent, ensures the safe and economic operation of the generator set, and the device of the utility model lacks a condensed water level adjusting facility, and can damage the condenser when the condensed water level is too high or too low, thereby reducing the service life of the condenser

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a coal-fired unit condenser for a power station, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a coal-fired unit condenser for a power station comprises a frame, the frame comprises supporting rods and adjusting components, the edges of the top surface of the frame are provided with the supporting rods which are parallel and symmetrically arranged, the support rod is arranged in a conical shape, the top end of the support rod is provided with a steam distribution pipe, the inner walls of the two sides of the steam distribution pipe, which are close to the support rod, are provided with exhaust ports in parallel and symmetrically, the outer surface of one side of the steam distribution pipe, which is close to the exhaust port, is provided with a radiating pipe bundle, the bottom of the radiating pipe bundle is connected with a water return pipe, the inner wall of the bottom surface of the water return pipe is provided with an adjusting component which comprises a drain pipe, the inner wall of the bottom surface of the water return pipe is provided with a drain pipe, the outer wall of the periphery of the water discharge pipe close to the water return pipe is provided with a first water discharge port, a movable block is arranged in the water discharge pipe, the movable block is connected with the inner wall of the drain pipe in a sliding mode, a connecting rod is arranged on the top face of the movable block, and a floating block is arranged on the connecting rod far away from the movable block.

Preferably, the inner wall of the bottom surface of the water return pipe is parallelly provided with a plurality of adjusting components, and the effect of quickly adjusting the amount of condensed water can be achieved through the plurality of adjusting components.

Preferably, the connecting rod is close to the inside one side surface of drainpipe and cup joints elastic component, elastic component both ends difference fixed connection drainpipe top surface inner wall and movable block top surface can play the effect of the quick activity piece that kick-backs when the water level is lower through elastic component, avoids the comdenstion water level to run off at the excessive speed when the water level is lower.

Preferably, the outer surface all around of movable block is equipped with the second outlet, the second outlet bore is less than first outlet, is less than first outlet through the second outlet bore can play the effect that reduces condensate water flow when the water level is less.

Preferably, a sealing adhesive layer is arranged on the periphery of the outer wall of the movable block, and the sealing adhesive layer can play a role in plugging the first drainage port.

Preferably, the frame outer wall upper end all around is equipped with the collector pipe, drain pipe bottom fixed connection collector pipe top surface can play the effect of gathering the comdenstion water through the collector pipe.

Preferably, the frame top surface is equipped with the air cooling subassembly, the air cooling subassembly includes the mounting groove, the frame top surface is equipped with the mounting groove, mounting groove bottom surface inner wall center department is equipped with the air cooling fan, the mounting groove is close to the bottom surface inner wall of air cooling fan and is equipped with the air intake, can play the effect to steam rapid cooling through the device.

Compared with the prior art, the utility model has the beneficial effects that:

the steam distribution pipe, the exhaust port, the heat dissipation pipe bundle, the mounting groove, the air cooling fan and the air inlet can be used for quickly cooling steam; the phenomenon that the water level of condensed water is too high or too low can be avoided through the drain pipe, the first drain port, the second drain port, the movable block, the connecting rod and the floating block, and the service life of the condenser is prolonged; the movable block can be rebounded quickly when the water level is low through the elastic assembly, so that the phenomenon that the water level of condensed water is lost too quickly when the water level is low is avoided; can avoid the comdenstion water to flow through first drain hole when the water level is lower to first drain hole shutoff through sealing glue layer.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is an enlarged schematic view of a region B in fig. 2.

In the figure: 1. a frame; 11. a support bar; 12. an adjustment assembly; 121. a drain pipe; 122. a first drain port; 123. a movable block; 1231. a second water discharge port; 1232. sealing the adhesive layer; 124. a connecting rod; 1241. an elastic component; 125. floating blocks; 13. a steam distribution pipe; 14. an exhaust port; 15. a heat dissipation tube bundle; 16. a water return pipe; 17. a water collection pipe; 18. an air cooling module; 181. mounting grooves; 182. an air cooling fan; 183. and an air inlet.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4, a coal-fired unit condenser for a power station includes a frame 1, the frame 1 includes a support rod 11 and an adjusting component 12, the edge of the top surface of the frame 1 is provided with the support rod 11 in parallel and symmetrically, the support rod 11 is arranged in a conical shape, the top end of the support rod 11 is provided with a steam distribution pipe 13, the inner walls of the steam distribution pipe 13 near the two sides of the support rod 11 are provided with exhaust ports 14 in parallel and symmetrically, the outer surface of the steam distribution pipe 13 near the exhaust port 14 is provided with a heat dissipation pipe bundle 15, the bottom of the heat dissipation pipe bundle 15 is connected with a return pipe 16, the inner wall of the bottom of the return pipe 16 is provided with a plurality of adjusting components 12 in parallel, the adjusting component 12 can play a role of quickly adjusting the amount of condensed water, the adjusting component 12 includes a drain pipe 121, the inner wall of the return pipe 16 is provided with a drain pipe 121, the condenser is characterized in that a first drainage port 122 is formed in the outer wall of the periphery of the drainage pipe 121 close to the water return pipe 16, a movable block 123 is arranged in the drainage pipe 121, the movable block 123 is slidably connected with the inner wall of the drainage pipe 121, a connecting rod 124 is arranged on the top surface of the movable block 123, a floating block 125 is arranged at one end, far away from the movable block 123, of the connecting rod 124, an elastic component 1241 is sleeved on the outer surface of one side, close to the interior of the drainage pipe 121, of the connecting rod 124, two ends of the elastic component 1241 are respectively and fixedly connected with the inner wall of the top surface of the drainage pipe 121 and the top surface of the movable block 123, the elastic component 1241 can play a role in quickly rebounding the movable block 123 when the water level is low, and avoids the phenomenon that the water level of condensed water runs off too fast when the water level is low.

Referring to fig. 2 and 4 again, the outer surface of the periphery of the movable block 123 is provided with a second water outlet 1231, the aperture of the second water outlet 1231 is smaller than that of the first water outlet 122, and the second water outlet 1231 is smaller than that of the first water outlet 122, so that the flow of condensed water can be reduced when the water level is low.

Please refer to fig. 2 and 4 again, a sealant layer 1232 is disposed around the outer wall of the movable block 123, and the sealant layer 1232 can block the first drainage opening 122.

Please refer to fig. 1 and 2 again, the upper end of the peripheral outer wall of the frame 1 is provided with a water collecting pipe 17, the bottom end of the water discharging pipe 121 is fixedly connected to the top surface of the water collecting pipe 17, and the water collecting pipe 17 can collect condensed water.

Please refer to fig. 1 and 2 again, the top surface of the frame 1 is provided with the air cooling module 18, the air cooling module 18 includes a mounting groove 181, the top surface of the frame 1 is provided with the mounting groove 181, the center of the inner wall of the bottom surface of the mounting groove 181 is provided with the air cooling fan 182, the inner wall of the bottom surface of the mounting groove 181 close to the air cooling fan 182 is provided with an air inlet 183, and the device can perform the function of rapidly cooling the steam.

The specific operation mode of the utility model is as follows:

first, steam may enter the interior of the heat dissipation pipe bundle 15 through the steam distribution pipe 13 and the air outlet 14, and at the same time, the air cooling module 18 may blow cold air to the heat dissipation pipe bundle 15 through the air cooling fan 182 inside the mounting groove 181 through the air inlet 183, the steam of the heat dissipation pipe bundle 15 is condensed into water and drops into the interior of the water return pipe 16, when the water level inside the water return pipe 16 is too high, the buoyancy of the floating block 125 of the adjustment module 12 increases, the floating block 125 may pull the movable block 123 to move upwards through the connecting rod 124, the condensed water may enter the interior of the water collection pipe 17 through the first water outlet 122 and the water outlet pipe 121, when the water level inside the water return pipe 16 is low, the elastic module 1241 may push the movable block 123 to move back, the movable block 123 may block the first water outlet 122 through the sealant 1232, and the condensed water may enter the interior of the water collection pipe 17 through the second water outlet 1231 and the water outlet 121.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. A coal-fired unit condenser for a power station comprises a rack (1) and is characterized in that the rack (1) comprises a support rod (11) and an adjusting component (12), the support rod (11) is arranged on the edge of the top surface of the rack (1) in a parallel and symmetrical mode, the support rod (11) is arranged in a conical mode, a steam distribution pipe (13) is arranged at the top end of the support rod (11), exhaust ports (14) are arranged on the inner walls, close to the two sides of the support rod (11), of the steam distribution pipe (13) in a parallel and symmetrical mode, a heat dissipation pipe bundle (15) is arranged on the outer surface of one side, close to the exhaust ports (14), of the steam distribution pipe (13), the bottom of the heat dissipation pipe bundle (15) is connected with a water return pipe (16), the adjusting component (12) is arranged on the inner wall of the bottom surface of the water return pipe (16), the adjusting component (12) comprises a drain pipe (121), and a drain pipe (121) is arranged on the inner wall of the bottom surface of the water return pipe (16), the utility model discloses a water return pipe (16) is connected to drain pipe (121), drain pipe (121) are close to outer wall all around of wet return pipe (16) and are equipped with first drain opening (122), drain pipe (121) inside is equipped with movable block (124), movable block (124) sliding connection drain pipe (121) inner wall, movable block (124) top surface is equipped with connecting rod (125), movable block (124) are kept away from in connecting rod (125) are equipped with kicking block (126).

2. The coal-fired unit condenser for a power station as set forth in claim 1, characterized in that a plurality of adjusting components (12) are provided in parallel on the inner wall of the bottom surface of the return pipe (16).

3. The coal-fired unit condenser for the power station as claimed in claim 1, wherein an elastic component (1251) is sleeved on the outer surface of one side of the connecting rod (125) close to the inside of the drain pipe (121), and two ends of the elastic component (1251) are respectively and fixedly connected with the inner wall of the top surface of the drain pipe (121) and the top surface of the movable block (124).

4. The coal-fired unit condenser for the power station as claimed in claim 1, wherein the peripheral outer surface of the movable block (124) is provided with a second water outlet (1241), and the caliber of the second water outlet (1241) is smaller than that of the first water outlet (122).

5. The coal-fired unit condenser for a power station as set forth in claim 1, characterized in that a sealant layer (1242) is provided around the outer wall of the movable block (124).

6. The coal-fired unit condenser for the power station as claimed in claim 1, wherein the upper end of the peripheral outer wall of the frame (1) is provided with a water collecting pipe (17), and the bottom end of the drain pipe (121) is fixedly connected with the top surface of the water collecting pipe (17).

7. The coal-fired unit condenser for the power station as claimed in claim 1, wherein the top surface of the frame (1) is provided with an air cooling module (18), the air cooling module (18) comprises a mounting groove (181), the top surface of the frame (1) is provided with the mounting groove (181), the center of the inner wall of the bottom surface of the mounting groove (181) is provided with an air cooling fan (182), and the inner wall of the bottom surface of the mounting groove (181) close to the air cooling fan (182) is provided with an air inlet (183).