CN219869204U - Flow-guiding and anti-freezing equipment for direct air cooling island of power plant - Google Patents
Flow-guiding and anti-freezing equipment for direct air cooling island of power plant Download PDFInfo
- Publication number
- CN219869204U CN219869204U CN202321066223.9U CN202321066223U CN219869204U CN 219869204 U CN219869204 U CN 219869204U CN 202321066223 U CN202321066223 U CN 202321066223U CN 219869204 U CN219869204 U CN 219869204U
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- Prior art keywords
- pipe
- air cooling
- diversion
- cooling island
- fan
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- 238000001816 cooling Methods 0.000 title claims abstract description 46
- 238000007710 freezing Methods 0.000 title claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 208000001034 Frostbite Diseases 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000005336 cracking Methods 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 34
- 239000012080 ambient air Substances 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a diversion and anti-freezing device for a direct air cooling island of a power plant, which is characterized in that a diversion plate is fixedly arranged at the outer edge of a supporting bottom plate, a circulating heat conduction pipe is arranged above the supporting bottom plate, a heat conduction plate is transversely embedded in the circulating heat conduction pipe, a layer of exhaust grille is welded right in front of the circulating heat conduction pipe, an air cooling island connecting pipe is connected with the direct air cooling island of the power plant through a pipeline, in order to prevent the direct air cooling island device of the power plant from generating frost cracking and causing accidents, a heating electric plug is connected with a power supply and is heated through a heating pipe, the heating pipe is heated to heat the heat conduction plate, hot gas flows in the heating and anti-freezing process, a fan motor generates things to drive a rotating shaft to rotate, the rotation of the rotating shaft drives a hot gas diversion fan to rotate, hot gas in the circulating heat conduction pipe is circularly flowed into the pipeline of the air cooling island through wind power generated by a fan blade, and the hot gas is conveyed through a gas conveying pipe to effectively heat in a circulating way, and the equipment is prevented from being frozen.
Description
Technical Field
The utility model relates to the field of anti-freezing equipment, in particular to diversion anti-freezing equipment for a direct air cooling island of a power plant.
Background
Compared with the traditional wet-cooling thermal power unit, the direct air cooling mode of the air cooling island can save water consumption, and the problems of plant site and capacity scale and the like are not existed, so that the water-cooling thermal power unit becomes the main stream in northern water-deficient areas of China; the direct air cooling mode takes ambient air as a cooling medium of steam turbine exhaust, the ambient air is directly heated after passing through a condenser of an air cooling island, and as a negative pressure area is formed at the inlet of the bottom of the air cooling island when a fan works, part of the heated ambient air can be sucked to the inlet of the fan to form a hot air reflux phenomenon, so that the heat exchange efficiency of a unit is reduced, even the back pressure of the steam turbine is quickly increased, and the safe operation of the unit is threatened; at present, wind shielding walls are generally built around an air cooling platform by adopting prevention and treatment measures in all power plants, so that obvious effects are achieved.
However, the existing air cooling island diversion antifreezing equipment has some defects in the use process, namely that the existing air cooling power station is mostly built in areas with cold climate and large temperature difference all the year round and day and night. In northern winter, the low temperature can cause large-area freezing and even frost cracking of the condenser to cause accidents, and the existing freezing prevention effect by building the wind shielding wall around is relatively poor, so that improvement is made by the method, and the direct air cooling island diversion freezing prevention equipment of the power plant is provided.
Disclosure of Invention
The utility model aims at: aiming at the problems of the prior art. In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a power plant's direct air cooling island water conservancy diversion freeze-proof equipment, includes the supporting baseplate and set up in the air cooling room flange of supporting baseplate plate body surface, the outside department fixed mounting of supporting baseplate has the guide plate, the circulation heat pipe has been placed to the top of supporting baseplate, the inside horizontal embedding of circulation heat pipe has the heat-conducting plate, the welding one deck exhaust grid in the place ahead of circulation heat pipe.
As a preferable technical scheme of the utility model, the two guide plates are arranged on the outer edge of the supporting bottom plate, and the two guide plates are symmetrical to each other, wherein the circulating heat conduction pipe is arranged between the guide plates.
As the preferable technical scheme of the utility model, an outer frame is welded on a welding gun above the circulating heat conduction pipe, a fan cover is embedded on the inner frame of the outer frame, a fan motor is fixed on the inner top surface of the fan cover through bolts, a power output end of the fan motor is connected with a rotating shaft, and a fan rotor is rotatably arranged on one side of the rotating shaft.
As the preferable technical scheme of the utility model, the two fan covers are embedded in the inner frame part of the outer frame and are symmetrical, and the fan motor, the rotating shaft and the fan rotor are arranged in each fan cover.
As the preferable technical scheme of the utility model, the outer shaft part of the rotating shaft is nested with two hot air guide fans, the outer ring of each hot air guide fan is embedded with fan blades, the number of the fan blades is six, twelve in total, and one side of the outer frame is electrically provided with a heating electric plug.
As the preferable technical scheme of the utility model, an arc-shaped pipe cover is arranged above the outer frame, a gas pipe is arranged between the outer frame and the arc-shaped pipe cover, one end of the gas pipe is embedded into the pipe cover, the other end of the gas pipe is connected with a C-shaped connecting pipe, and a heating pipe is arranged between the C-shaped connecting pipe and the heating electric plug.
As a preferable technical scheme of the utility model, the center end of the top of the arc-shaped pipe cover is embedded with an air cooling island connecting pipe.
Compared with the prior art, the utility model has the beneficial effects that: in the scheme of the utility model: through carrying out pipe connection with air cooling island connecting pipe and the direct air cooling island of power plant, in order to prevent that the frost crack from appearing in the direct air cooling island equipment of power plant from causing the accident, be connected with the power through heating electric plug, and heat the heat conduction board through the heating of heating pipe, make steam produce the flow at the in-process that the heating was freeze-proof, produce the thing through the fan motor and drive the axis of rotation and rotate, drive steam water conservancy diversion fan through the rotation of axis of rotation and rotate, produce the wind-force through the fan flabellum and circulate the steam in the heat pipe and circulate and flow to the pipeline of air cooling island, carry the steam through the gas-supply pipe, effectively circulate the heating, prevent equipment frost crack.
Description of the drawings:
FIG. 1 is a schematic diagram of a structure provided by the present utility model;
FIG. 2 is a schematic view of an exhaust grille structure according to the present utility model;
FIG. 3 is a schematic view of a fan rotor according to the present utility model;
fig. 4 is a schematic diagram of a fan blade according to the present utility model.
The figures indicate:
1. a support base plate; 2. an air cooling room connecting flange; 3. a deflector; 4. a circulating heat pipe; 5. a heat conductive plate; 6. an exhaust grille; 7. an outer frame; 8. a fan cover; 9. a fan motor; 10. a rotating shaft; 11. a fan rotor; 12. a hot gas diversion fan; 13. fan blades; 14. heating the electrical plug; 15. an arc tube cover; 16. a gas pipe; 17. a C-shaped connecting pipe; 18. heating pipes; 19. and (5) an air cooling island connecting pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.
Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments obtained by those skilled in the art without making any creative effort based on the embodiments of the present utility model are within the protection scope of the present utility model, and it should be noted that the embodiments of the present utility model and features and technical solutions of the embodiments of the present utility model may be combined with each other without collision: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1: referring to fig. 1-4, a diversion and anti-freezing device for a direct air cooling island of a power plant comprises a supporting bottom plate 1 and an air cooling room connecting flange 2 arranged on the surface of a plate body of the supporting bottom plate 1, wherein a diversion plate 3 is fixedly arranged at the outer edge of the supporting bottom plate 1, a circulating heat-conducting pipe 4 is arranged above the supporting bottom plate 1, a heat-conducting plate 5 is transversely embedded into the circulating heat-conducting pipe 4, an exhaust grid 6 is welded right in front of the circulating heat-conducting pipe 4, two diversion plates 3 are arranged and are respectively arranged on the outer edge of the supporting bottom plate 1, the two plates are mutually symmetrical, and the circulating heat-conducting pipe 4 is arranged between the diversion plates 3.
The welding gun above the circulating heat conduction pipe 4 is welded with an outer frame 7, a fan cover 8 is embedded on the inner frame of the outer frame 7, a fan motor 9 is fixed on the inner top surface of the fan cover 8 through bolts, the power output end of the fan motor 9 is connected with a rotating shaft 10, and a fan rotor 11 is rotatably arranged on one side of the rotating shaft 10. The fan covers 8 are provided with two fan motor 9 and rotating shaft 10 and fan rotor 11, which are embedded in the inner frame part of the outer frame 7 and are symmetrical with each other.
The outer shaft part of the rotating shaft 10 is nested with two hot air guide fans 12, the outer ring of each hot air guide fan 12 is embedded with fan blades 13, the number of the fan blades 13 is six, twelve in total, and one side of the outer frame 7 is electrically provided with a heating electric plug 14. An arc-shaped pipe cover 15 is arranged above the outer frame 7, a gas pipe 16 is arranged between the outer frame 7 and the arc-shaped pipe cover 15, one end of the gas pipe 16 is embedded into the pipe cover, the other end of the gas pipe 16 is connected with a C-shaped connecting pipe 17, and a heating pipe 18 is arranged between the C-shaped connecting pipe 17 and the heating electric plug 14. The top center end of the arc-shaped pipe cover 15 is embedded with an air cooling island connecting pipe 19.
In the using process, in order to realize the cyclic heating of the direct air cooling island of the power plant and prevent the equipment from being frozen out, an air cooling island connecting pipe 19 is connected with the direct air cooling island of the power plant in a pipeline way, in order to prevent the equipment of the direct air cooling island of the power plant from being frozen out and causing accidents, the direct air cooling island is connected with a power supply through a heating electric plug 14 and heated through a heating pipe 18, a heat conducting plate 5 is heated through the heating pipe 18, hot gas flows in the heating and anti-freezing process, a fan motor 9 generates things to drive a rotating shaft 10 to rotate, a hot gas diversion fan 12 is driven to rotate through the rotation of the rotating shaft 10, the hot gas in the cyclic heat conducting pipe 4 is circularly flowed into the pipeline of the air cooling island through wind power generated by a fan blade 13, and the hot gas is conveyed through a gas conveying pipe 16, so that the cyclic heating is effectively carried out and the equipment is prevented from being frozen out.
The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.
Claims (7)
1. The utility model provides a direct air cooling island water conservancy diversion equipment that prevents frostbite of power plant, includes supporting baseplate (1) and set up in air cooling room flange (2) on supporting baseplate (1) plate body surface, a serial communication port, supporting baseplate (1) outside department fixed mounting has guide plate (3), circulating heat pipe (4) have been placed to the top of supporting baseplate (1), the inside transverse embedding of circulating heat pipe (4) has heat conducting plate (5), welding one deck grid (6) of airing exhaust directly in front of circulating heat pipe (4).
2. The direct air cooling island diversion freezing-proof equipment of a power plant according to claim 1, characterized in that two diversion plates (3) are arranged on the outer edge of the supporting bottom plate (1), the two plates are symmetrical with each other, and the circulating heat conduction pipe (4) is arranged between the diversion plates (3).
3. The diversion and anti-freezing equipment for the direct air cooling island of the power plant according to claim 2 is characterized in that an outer frame (7) is welded on a welding gun above the circulating heat conduction pipe (4), a fan cover (8) is inlaid on an inner frame of the outer frame (7), a fan motor (9) is fixedly arranged on the inner top surface of the fan cover (8) through bolts, a power output end of the fan motor (9) is connected with a rotating shaft (10), and a fan rotor (11) is rotatably arranged on one side of the rotating shaft (10).
4. A plant direct air cooling island diversion freezing-proof equipment according to claim 3, characterized in that the fan covers (8) are provided with two, are embedded in the inner frame part of the outer frame (7) and are symmetrical with each other, and the inside of each fan cover (8) is provided with one fan motor (9) and one rotating shaft (10) and the fan rotor (11).
5. The direct air cooling island diversion freezing-proof equipment for a power plant according to claim 4, wherein the outer shaft part of the rotating shaft (10) is nested with two hot air diversion fans (12), the outer ring of each hot air diversion fan (12) is embedded with fan blades (13), the number of the fan blades (13) is six, twelve in total, and one side of the outer frame (7) is electrically provided with a heating electric plug (14).
6. The direct air cooling island diversion freezing-proof equipment for the power plant according to claim 5, wherein an arc-shaped pipe cover (15) is arranged above the outer frame (7), a gas pipe (16) is arranged between the outer frame (7) and the arc-shaped pipe cover (15), one end of the gas pipe (16) is embedded into the pipe cover, the other end of the gas pipe (16) is connected with a C-shaped connecting pipe (17), and a heating pipe (18) is arranged between the C-shaped connecting pipe (17) and the heating electric plug (14).
7. The direct air cooling island diversion freezing-proof equipment of a power plant according to claim 6, wherein an air cooling island connecting pipe (19) is embedded at the top center end of the arc-shaped pipe cover (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066223.9U CN219869204U (en) | 2023-05-06 | 2023-05-06 | Flow-guiding and anti-freezing equipment for direct air cooling island of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066223.9U CN219869204U (en) | 2023-05-06 | 2023-05-06 | Flow-guiding and anti-freezing equipment for direct air cooling island of power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219869204U true CN219869204U (en) | 2023-10-20 |
Family
ID=88325869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321066223.9U Active CN219869204U (en) | 2023-05-06 | 2023-05-06 | Flow-guiding and anti-freezing equipment for direct air cooling island of power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219869204U (en) |
-
2023
- 2023-05-06 CN CN202321066223.9U patent/CN219869204U/en active Active
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