CN210198127U - Summer liquid nitrogen atomization spray cooling device for air cooling condenser of thermal power plant - Google Patents
Summer liquid nitrogen atomization spray cooling device for air cooling condenser of thermal power plant Download PDFInfo
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- CN210198127U CN210198127U CN201920739180.3U CN201920739180U CN210198127U CN 210198127 U CN210198127 U CN 210198127U CN 201920739180 U CN201920739180 U CN 201920739180U CN 210198127 U CN210198127 U CN 210198127U
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- liquid nitrogen
- air cooling
- atomization spray
- cooled condenser
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 238000001816 cooling Methods 0.000 title claims abstract description 83
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 title claims abstract description 53
- 239000007921 spray Substances 0.000 title claims abstract description 42
- 238000000889 atomisation Methods 0.000 title claims description 23
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims description 5
- 239000003570 air Substances 0.000 abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 12
- 238000012546 transfer Methods 0.000 abstract description 7
- 239000012080 ambient air Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 238000009692 water atomization Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
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- 238000000034 method Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 208000011580 syndromic disease Diseases 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
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- 231100000252 nontoxic Toxicity 0.000 description 1
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- 238000010248 power generation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- -1 this Chemical compound 0.000 description 1
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Abstract
The utility model discloses a thermal power factory air cooling condenser liquid nitrogen atomizing spray cooling device in summer, including air cooling fan, delivery conduit, liquid nitrogen atomizing spray set and air cooling condenser, the air cooling condenser includes air cooling condenser fin, air cooling fan output and delivery conduit input fixed connection, delivery conduit output and air cooling condenser fixed connection, the delivery conduit output is just setting up air cooling condenser fin. The utility model discloses with liquid nitrogen atomizing blowout, absorb a large amount of heats in the ambient air around, reduce air cooling condenser windward side cooling air temperature rapidly to make lower temperature air and air cooling condenser fin carry out the heat transfer under the upwind effect, reduce air cooling condenser's operation backpressure, improve the unit thermal efficiency, and can guarantee to make air cooling condenser maintain good operation under the higher operating mode of ambient temperature in summer, avoided water spraying system's use, the water conservation effect is showing.
Description
Technical Field
The utility model relates to a thermal power plant technical field specifically is a liquid nitrogen atomizing spray cooling device in air cooling condenser summer of thermal power factory.
Background
At present, in the thermal power plant of our country, it is a widely used technique to adopt the direct air-cooled condenser to carry out exhaust cooling, this technique has saved a large amount of water resources compared with the traditional indirect air-cooled mode that adopts the circulating water to cool, however, the direct air-cooled condenser is influenced by seasonal variation ambient temperature change greatly in operation, especially under the high temperature operating mode in summer, the cooling capacity of the direct air-cooled condenser drops by a wide margin, the unit operation backpressure rises, surpass the operating mode of the highest design backpressure even, make the low pressure jar efficiency of the steam turbine drop by a wide margin, the efficiency of high, medium pressure jar is also influenced, the heat consumption rate of the steam turbine increases greatly, the power generation coal consumption increases, the security and the economic nature greatly reduced of unit operation. To this problem, what present widely adopted is that the windward side of air condensation vapour ware carries out water atomization spray cooling and reduces windward side wind-warm syndrome under the high temperature operating mode in summer, from the actual conditions, can play certain cooling effect, also improves to the backpressure of operation unit, nevertheless still has the problem of water waste.
At present, direct air cooling unit of thermal power factory, adopt demineralized water to carry out water atomization spray cooling to the windward side of air cooling condenser under the high temperature operating mode in summer and reduce windward side wind-warm syndrome, the main problem is the problem of water waste, secondly there is frequent jam of water atomization shower nozzle, or the shower nozzle drops and leads to a large amount of water to leak and cause the problem that below high-voltage electrical equipment and circuit take place the pollution flashover and cause unsafe event, the operation of the safety and stability of giving the unit brings great hidden danger, therefore we make the improvement to this, provide a thermal power factory air cooling condenser liquid nitrogen atomization spray cooling device in summer.
SUMMERY OF THE UTILITY MODEL
For solving the defect that prior art exists, the utility model provides a thermal power factory air cooling condenser liquid nitrogen atomizing spray cooling device in summer.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a thermal power factory air cooling condenser liquid nitrogen atomizing spray cooling device in summer, including air cooling fan, delivery conduit, liquid nitrogen atomizing spray device and air cooling condenser, the air cooling condenser includes the air cooling condenser fin, air cooling fan output end and delivery conduit input fixed connection, delivery conduit output end and air cooling condenser fixed connection, the delivery conduit output end just sets up to the air cooling condenser fin, liquid nitrogen atomizing spray device sets up between air cooling fan and air cooling condenser fin, liquid nitrogen atomizing spray device includes liquid nitrogen storage tank, atomizer, isolation valve and pipeline, liquid nitrogen storage tank output end and pipeline input end fixed communication connection, the fixed isolation valve that is equipped with of liquid nitrogen storage tank output end and pipeline input end junction, the pipeline output end and a plurality of atomizer fixed communication connection, a plurality of atomizer pass through the delivery conduit both sides wall and crisscross insert the delivery conduit in, delivery conduit inner wall both sides are fixed crisscross to be provided with a plurality of adjusting device, are equipped with an atomizer between per two adjusting device.
As an optimized technical proposal of the utility model, the medium adopted by the atomization spray cooling device is liquid nitrogen.
As a preferred technical scheme of the utility model, liquid nitrogen atomizing spray cooling device is just setting up to air cooling condenser windward side.
As a preferred technical scheme of the utility model, adjusting device includes arc, extension spring, arc, dead lever and threaded rod, arc one end is articulated with the conveying pipe inner wall, the arc intrados is just setting up air cooling fan output, state the fixed extension spring that is equipped with between arc extrados and the conveying pipe inner wall, the laminating slides on the arc extrados has the arc, arc side end fixedly connected with dead lever, dead lever and threaded rod one end swivelling joint, the threaded rod other end wear out the conveying pipe lateral wall and with conveying pipe lateral wall threaded connection.
As a preferred technical scheme of the utility model, the dead lever internal rotation has the rolling disc, rolling disc and connecting rod fixed connection, dead lever and threaded rod fixed connection are worn out to the connecting rod.
The utility model has the advantages that: this kind of thermal power factory air cooling condenser liquid nitrogen atomizing spray cooling device in summer, atomize the blowout with the liquid nitrogen, absorb a large amount of heats in the ambient air, reduce air cooling condenser windward side cooling wind temperature rapidly, and make the air of lower temperature and air cooling condenser fin carry out the heat transfer under the upwelling air current effect, reduce air cooling condenser's operation backpressure, the thermal efficiency of the unit is improved, and can guarantee to make air cooling condenser maintain good operation under the higher operating mode of summer ambient temperature, the use of water spraying system has been avoided, the water conservation effect is showing, and this device is rational in infrastructure, small investment, big benefits, easy to implement, long service life, and the liquid nitrogen gains easily, nitrogen gas is nontoxic harmless, it is pollution-free to the environment to discharge the atmosphere, have great meaning to thermal power plant's water economy resource, there is fine popularization prospect.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a liquid nitrogen connection structure of a summer liquid nitrogen atomization spray cooling device of an air-cooled condenser of a thermal power plant of the present invention;
FIG. 2 is a schematic structural view of the summer liquid nitrogen atomizing spray cooling device of the air-cooled condenser of the thermal power plant of the present invention;
FIG. 3 is the utility model discloses a thermal power factory air cooling condenser liquid nitrogen atomizing spray cooling device's in summer work flow structure schematic diagram.
In the figure: 1. a liquid nitrogen storage tank; 2. an atomizing spray head; 3. an isolation valve; 4. a delivery conduit; 5. an air cooling fan; 6. a delivery catheter; 7. air cooling condenser fin; 8. an adjustment device; 9. an arc-shaped plate; 10. an extension spring; 11. an arc-shaped block; 12. fixing the rod; 13. a threaded rod.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in figures 1, 2 and 3, the summer liquid nitrogen atomization spray cooling device of the air-cooled condenser of the thermal power plant comprises an air-cooled fan 5, a conveying pipe 6, a liquid nitrogen atomization spray device and an air-cooled condenser, wherein the air-cooled condenser comprises an air-cooled condenser radiating fin 7, the output end of the air-cooled fan 5 is fixedly connected with the input end of the conveying pipe 6, the output end of the conveying pipe 6 is fixedly connected with the air-cooled condenser, the output end of the conveying pipe 6 is arranged right opposite to the air-cooled condenser radiating fin 7, the liquid nitrogen atomization spray device is arranged between the air-cooled fan 5 and the air-cooled condenser radiating fin 7, the liquid nitrogen atomization spray device comprises a liquid nitrogen storage tank 1, an atomization spray head 2, an isolation valve 3 and a conveying pipeline 4, the output end of the liquid nitrogen storage tank 1 is fixedly communicated with the input end of the conveying pipeline, the output end of the conveying pipeline 4 is fixedly communicated and connected with a plurality of atomizing spray heads 2, the plurality of atomizing spray heads 2 are inserted into the conveying conduit 6 in a staggered manner through two side walls of the conveying conduit 6, a plurality of adjusting devices 8 are fixedly and staggered on two sides of the inner wall of the conveying conduit 6, one atomizing spray head 2 is arranged between every two adjusting devices 8, the liquid nitrogen is atomized and sprayed out by the summer liquid nitrogen atomizing spray cooling device of the air-cooled condenser of the thermal power plant to absorb a large amount of heat in the ambient air, the wind temperature of the cooling wind on the windward side of the air-cooled condenser is rapidly reduced, the heat exchange between the air with lower temperature and the cooling fins of the air-cooled condenser is carried out under the action of the ascending airflow, the operation backpressure of the air-cooled condenser is reduced, the heat efficiency of the unit is improved, the air-cooled condenser can be ensured to operate well under the, the device has the advantages of reasonable structure, less investment, large benefit, easy implementation, long service life, easy acquisition of liquid nitrogen, no toxicity and harm of nitrogen, no environmental pollution caused by emission of nitrogen into the atmosphere, great significance for saving water resources of thermal power plants and good popularization prospect.
Wherein, the medium adopted by the atomization spray cooling device is liquid nitrogen.
And the liquid nitrogen atomization spray cooling device is arranged right opposite to the windward side of the air-cooled condenser.
Wherein, adjusting device 8 includes arc 9, extension spring 10, arc piece 11, dead lever 12 and threaded rod 13, 9 one ends of arc are articulated with 6 inner walls of conveying pipe, 9 intrados of arc are just to 5 output settings of air cooling fan, it is fixed extension spring 10 that is equipped with between 9 extrados of arc and the 6 inner walls of conveying pipe to state the arc, the laminating of 9 extrados of arc is slided and is had arc piece 11, 11 side fixedly connected with dead levers 12 of arc piece, dead lever 12 and 13 one end swivelling joint of threaded rod, the 13 other ends of threaded rod wear out conveying pipe 6 lateral walls and with conveying pipe 6 lateral walls threaded connection.
Wherein, the dead lever 12 internal rotation has the rolling disc, rolling disc and connecting rod fixed connection, the connecting rod is worn out dead lever 12 and is fixed connection with threaded rod 13.
When in use, the utility model is used for cleaning the inner wall of the tank,
the utility model discloses what adopt is that atomizer 2 atomizes the blowout with the liquid nitrogen, reduces the heat in the air cooling fan 5 transport conveying pipe 6 air, reduces air cooling condenser windward side cooling air temperature rapidly to make lower temperature air and air cooling condenser fin 7 carry out the heat transfer under the effect of rising the air current, reduce air cooling condenser's operation backpressure, improve the unit thermal efficiency.
Adopted the utility model discloses, can guarantee to make the air cooling condenser maintain good operation under the higher operating mode of ambient temperature in summer, avoid water spraying system's use, the water conservation effect is showing. The scheme has the advantages of reasonable equipment structure, less investment, large benefit, easy implementation, long service life, easy acquisition of liquid nitrogen, no toxicity and harm of nitrogen, no environmental pollution caused by emission of nitrogen into the atmosphere, great significance for saving water resources of thermal power plants and good popularization prospect.
In the use, utilize adjusting device 8, realize that control air cooling fan 5 carries 6 air of delivery duct and can carry out the bounce-back baffling, can change the contact time of air and atomizing liquid nitrogen like this, the cooling effect of air has been guaranteed, when using adjusting device 8, rotate threaded rod 13, make arc piece 11 promote the swing of arc 9, when arc 9 and horizontal plane contained angle diminish, the air bounce-back baffling effect has been improved, the flow rate slows down, heat transfer rate reduces, heat transfer effect improves, when arc 9 and horizontal plane contained angle grow, the air bounce-back baffling effect has been reduced, flow rate accelerates, heat transfer rate improves, the heat transfer effect reduces, can adjust the use according to air temperature in summer like this, make things convenient for whole device to use more.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A summer liquid nitrogen atomization spray cooling device of an air-cooled condenser of a thermal power plant comprises an air-cooled fan (5), a conveying conduit (6), a liquid nitrogen atomization spray device and the air-cooled condenser, wherein the air-cooled condenser comprises air-cooled condenser radiating fins (7), the output end of the air-cooled fan (5) is fixedly connected with the input end of the conveying conduit (6), the output end of the conveying conduit (6) is fixedly connected with the air-cooled condenser, the output end of the conveying conduit (6) is just opposite to the air-cooled condenser radiating fins (7), the summer liquid nitrogen atomization spray cooling device is characterized in that the liquid nitrogen atomization spray device is arranged between the air-cooled fan (5) and the air-cooled condenser radiating fins (7), the liquid nitrogen atomization spray device comprises a liquid nitrogen storage tank (1), an atomization spray head (2), an isolation valve (3) and a conveying pipeline (4), the output end of the liquid nitrogen storage, the liquid nitrogen storage tank (1) output is fixed with isolating valve (3) with pipeline (4) input junction, pipeline (4) output and a plurality of atomizer (2) fixed communicating with each other and be connected, in a plurality of atomizer (2) inserted delivery conduit (6) through delivery conduit (6) both sides wall is crisscross, delivery conduit (6) inner wall both sides are fixed crisscross to be provided with a plurality of adjusting device (8), are equipped with one atomizer (2) between per two adjusting device (8).
2. The thermal power plant air-cooled condenser summer liquid nitrogen atomization spray cooling device of claim 1, wherein a medium adopted by the atomization spray cooling device is liquid nitrogen.
3. The thermal power plant air-cooled condenser summer liquid nitrogen atomization spray cooling device of claim 1, which is characterized in that the liquid nitrogen atomization spray cooling device is arranged right opposite to the windward side of the air-cooled condenser.
4. The thermal power plant air-cooled condenser summer liquid nitrogen atomization spray cooling device of claim 1, it is characterized in that the adjusting device (8) comprises an arc-shaped plate (9), an extension spring (10), an arc-shaped block (11), a fixed rod (12) and a threaded rod (13), one end of the arc-shaped plate (9) is hinged with the inner wall of the conveying conduit (6), the inner arc surface of the arc-shaped plate (9) is arranged right opposite to the output end of the air cooling fan (5), an extension spring (10) is fixedly arranged between the outer cambered surface of the cambered plate (9) and the inner wall of the conveying conduit (6), an arc block (11) is attached to the outer arc surface of the arc plate (9) in a sliding manner, a fixing rod (12) is fixedly connected to the side end of the arc block (11), the fixing rod (12) is rotatably connected with one end of the threaded rod (13), and the other end of the threaded rod (13) penetrates out of the side wall of the conveying guide pipe (6) and is in threaded connection with the side wall of the conveying guide pipe (6).
5. The summer liquid nitrogen atomizing and spraying cooling device for the air-cooled condenser of the thermal power plant as claimed in claim 4, wherein a rotating disc is rotated in the fixing rod (12), the rotating disc is fixedly connected with the connecting rod, and the connecting rod penetrates out of the fixing rod (12) and is fixedly connected with the threaded rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920739180.3U CN210198127U (en) | 2019-05-22 | 2019-05-22 | Summer liquid nitrogen atomization spray cooling device for air cooling condenser of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920739180.3U CN210198127U (en) | 2019-05-22 | 2019-05-22 | Summer liquid nitrogen atomization spray cooling device for air cooling condenser of thermal power plant |
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| Publication Number | Publication Date |
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| CN210198127U true CN210198127U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920739180.3U Active CN210198127U (en) | 2019-05-22 | 2019-05-22 | Summer liquid nitrogen atomization spray cooling device for air cooling condenser of thermal power plant |
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| CN (1) | CN210198127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471835A (en) * | 2022-01-25 | 2022-05-13 | 山东省农业机械科学研究院 | Extrusion roller heat dissipation air box, air cooling heat dissipation device and method |
-
2019
- 2019-05-22 CN CN201920739180.3U patent/CN210198127U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471835A (en) * | 2022-01-25 | 2022-05-13 | 山东省农业机械科学研究院 | Extrusion roller heat dissipation air box, air cooling heat dissipation device and method |
| CN114471835B (en) * | 2022-01-25 | 2023-08-11 | 山东省农业机械科学研究院 | Extrusion roller heat dissipation bellows, air cooling heat dissipation device and method |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200807 Address after: 013750 Basumu Village, Liusumu Township, Liangcheng County, Ulanchabu City, Inner Mongolia Autonomous Region Co-patentee after: Beijing Jingneng Electric Power Co.,Ltd. Patentee after: INNER MONGOLIA DAIHAI ELECTRIC POWER GENERATION Co.,Ltd. Address before: 013700 Basumu Village, Liusumu Township, Liangcheng County, Ulanchabu City, Inner Mongolia Autonomous Region Patentee before: INNER MONGOLIA DAIHAI ELECTRIC POWER GENERATION Co.,Ltd. |
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