CN104833261A - Air rectifying system for high-level water-collecting cooling tower - Google Patents
Air rectifying system for high-level water-collecting cooling tower Download PDFInfo
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- CN104833261A CN104833261A CN201510263616.2A CN201510263616A CN104833261A CN 104833261 A CN104833261 A CN 104833261A CN 201510263616 A CN201510263616 A CN 201510263616A CN 104833261 A CN104833261 A CN 104833261A
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Abstract
The invention discloses an air rectifying system for a high-level water-collecting cooling tower. The air rectifying system for the high-level water-collecting cooling tower comprises a water distributing area and a material filling area which are arranged inside the cooling tower. The non-uniform arrangement and zoning arrangement are adopted by water distributing and material filling inside the water distributing area and the material filling area. The arrangement mode of non-equal height and non-uniform water distributing is adopted in the diameter direction of the high-level water-collecting cooling tower from inside to outside. The radius range of water distributing of each area of the water distributing area corresponds to the radius range of material filling of each area of the material filling area. By adopting the coupled mode of non-uniform water distributing and wind distributing, namely the combined mode of the non-uniform water distributing arrangement of material filling and non-uniform arrangement of water distributing, the gas-water ratio in each area inside the tower can be improved maximally, the cooling performance of the cooling tower can be fully played, and the cooling efficiency of the high-level water-collecting cooling tower is improved.
Description
Technical field
The invention belongs to thermal power plant and nuclear electric power generation field, particularly relating to the air commutation system for improving a kind of non-homogeneous water distribution air distribution coupling that high-order receipts water cooling tower cooling effectiveness adopts.
Background technology
High-order receipts water cooling tower uses at home and day by day increases, and the high-order water distribution blowing system receiving water cooling tower is conventional design at present, and namely filler is evenly arranged in tower, the contour layout in different radii place; Spray density distributes along water distribution face uniform diameter.But cooling tower is bulky, in tower, space is huge, and along being furnished with captation on air inlet, after ambient wind enters from cooling tower bottom air inlet mouth, in tower, velocity flow profile is uneven, destroys air force field distribution in tower, and the cooling capacity of cooling tower is not fully used, gas-water ratio is lower, and cooling tower cooling effectiveness is lower.
One is disclosed in patent [201310132397.5], high-order water collector and comprise the wet cooling tower of this device, this high position is received water cooling tower and is adopted the contour layout of uniform filling, uniform water distribution, in tower, cooling capacity is not fully used, aerodynamic field skewness in tower, gas-water ratio is lower, and cooling effectiveness is lower.
A kind of a kind of arrangement of wet cooling tower filler is disclosed in patent [201210085960.3], this arrangement has carried out nonuniform mutation operator by the heat absorption moisture absorption principle of air to the filler in wet cooling tower, this arrangement is only for wet cooling tower, if receive water cooling tower for a high position to apply this kind of nonuniform mutation operator mode, the high-order cooling effectiveness receiving water cooling tower can be made to reduce further, receive water cooling tower because high-order and there is not rain belt, air enters the process that there is not heat absorption moisture absorption after in tower by air inlet, the filler nonuniform mutation operator principle of high-order receipts water cooling tower and wet cooling tower have difference in essence, high-order water cooling tower of receiving carries out nonuniform mutation operator by the gas-water ratio improving air in tower to inner-tower filling material.
Summary of the invention
The present invention is in order to solve the problem, overcome an existing high position and receive water cooling tower water distribution air distribution Problems existing, provide the high-order one high position receiving the coupled modes of the non-homogeneous water distribution air distribution of water cooling tower and receive water cooling tower air commutation system, aerodynamic field in even tower, improve gas-water ratio in tower, make full use of the cooling capacity in tower, improve the high-order cooling effectiveness receiving water cooling tower.
The technical solution used in the present invention is as follows:
A kind of high-order receipts water cooling tower air commutation system, comprise the water distributing area and packing area that are positioned at cooling tower, water distribution in described water distributing area and packing area and filler all adopt nonuniform mutation operator and subregion to arrange, namely receive along a high position arrangement that the diametric(al) of water cooling tower takes the non-contour layout of a kind of filler, water distribution nonuniform mutation operator from inside to outside, the radius of described water distributing area each district water distribution is corresponding with the scope of each district, packing area filler.
Described water distributing area and the partitioned mode of packing area are: centered by the vertical axis of cooling tower, are outwards divided into three annular sections of different radii successively, i.e. A district, B district and C district.
The pass of the radius filler of described three packing areas is: A district≤B district≤C district.
The pass of the water distribution radius of described three water distributing areas is: A district≤B district≤C district.
The radius filler one_to_one corresponding of the water distribution radius of three water distributing areas and three packing areas, and radius size is equal separately.
The depth of packing of described three packing areas closes and is: A district >=> C district of B district.
The spray density of described three water distributing areas closes and is: >C district of >B district of A district.
The radius filler scope of described three packing areas is:
A district radius filler scope:
b district radius filler scope:
c district radius filler scope:
wherein
for equivalent radius, be this place's radius filler and the ratio of filler zone radius maximum.
The depth of packing scope of described three packing areas is:
A district thickness: hA=δ ~ 1.17 δ, B district thickness: hB=δ, C district thickness: hC=0.8 δ ~ 0.83 δ, wherein δ be uniform filling contour arrange time height.
When ensureing that total spray density amount is constant, the radius of described each district water distribution is corresponding with the scope of each district filler, and the water distribution radius of three water distributing areas is:
A district water distribution radius:
b district water distribution radius:
c district water distribution radius:
wherein
for equivalent radius, be this water distributing area, place radius and the ratio of water distribution zone radius maximum.
The spray density of three water distributing areas is:
A district: 1.05q≤wq≤1.15q; B district: 0.85q≤wq≤q; C district: 0.7q≤wq≤0.8q, spray density when wherein q is uniform water distribution.
Operation principle of the present invention is as follows:
Outside air enters filler region through catchment area after entering high-order receipts water cooling tower, and because the certain guide effect of captation region to air makes high-order receipts water cooling tower central area air velocity maximum, outer peripheral areas air velocity is minimum.Because the maximum and zone line coolant water temperature of zone line air velocity still has gap apart from its cooling limit wet bulb air themperature, namely zone line cooling capacity also has room for promotion, for utilizing its cooling capacity as far as possible, increasing zone line packed height, strengthening zone line spray density simultaneously.Outer peripheral areas is not enough due to air mass flow, affects the cooling of its recirculated water, therefore for increasing its ventilation, improves cooling effectiveness, reduces outer peripheral areas height and outer peripheral areas spray density.
The beneficial effect compared with prior art had is as follows:
The present invention adopts the coupled modes of non-homogeneous water distribution air distribution, i.e. a kind of mode of combining with water distribution nonuniform mutation operator of filler nonuniform mutation operator, the gas-water ratio in each region in tower can be improved to greatest extent, give full play to the cooling performance of cooling tower, improve the high-order cooling effectiveness receiving water cooling tower.
Accompanying drawing explanation
Fig. 1 is high-order receipts water cooling tower air commutation system schematic diagram;
Fig. 2 is the high-order profile receiving water cooling inner-tower filling material part;
Fig. 3 is the high-order top view receiving water cooling inner-tower filling material part;
Fig. 4 is the high-order profile receiving dispensing portion in water cooling tower, represents spray density size with sectional thickness.
In figure 1, high-orderly receive water cooling tower; 2, water distributing area; 3, packing area; 4, captation.
Detailed description of the invention
Be described in more detail for the present invention in conjunction with the embodiments.
As Figure 1-4, a kind of high-order receipts water cooling tower 1 air commutation system, comprise and be positioned at cooling tower and the water distributing area 2 of upper and lower layout, packing area 3 and captation 4 successively, water distribution in water distributing area 2 and packing area 3 and filler all adopt nonuniform mutation operator and subregion to arrange, the radius of water distributing area 2 each district water distribution is corresponding with the scope of each district, packing area 3 filler.
The partitioned mode of water distributing area 2 and packing area 3 is: centered by the vertical axis of cooling tower, is outwards divided into three annular sections of different radii successively, i.e. A district, B district and C district.
The pass of the radius filler of three packing areas 3 is: A district≤B district≤C district.
The pass of the water distribution radius of described three water distributing areas 2 is: A district≤B district≤C district.
The radius filler one_to_one corresponding of the water distribution radius of three water distributing areas 2 and three packing areas, and radius size is equal separately.
The depth of packing of three packing areas 3 closes and is: A district >=> C district of B district.
The spray density of three water distributing areas 2 closes and is: >C district of >B district of A district.
The radius filler scope of three packing areas 3 is:
A district radius filler scope:
b district radius filler scope:
c district radius filler scope:
wherein
for equivalent radius, be this place's radius filler and the ratio of filler zone radius maximum.
The depth of packing scope of described three packing areas is:
A district thickness: hA=δ ~ 1.17 δ, B district thickness: hB=δ, C district thickness: hC=0.8 δ ~ 0.83 δ, wherein δ be uniform filling contour arrange time height.
When ensureing that total spray density amount is constant, the radius of described each district water distribution is corresponding with the scope of each district filler, and the water distribution radius of three water distributing areas is: A district water distribution radius:
b district water distribution radius:
c district water distribution radius:
wherein
for equivalent radius, be this water distributing area, place radius and the ratio of water distribution zone radius maximum.The water distribution density of three water distributing areas is: A district 1.05q≤wq≤1.15q; B district 0.85q≤wq≤q; C district 0.7q≤wq≤0.8q, spray density when wherein q is uniform water distribution, here is two specific embodiments:
Embodiment 1
A district scope:
depth of packing hA=δ, spray density wqA=1.073q;
B district scope:
depth of packing hB=δ, spray density wqB=q;
C district scope:
depth of packing hC=0.8 δ, spray density wqC=0.8q.
Embodiment 2
A district scope:
depth of packing hA=1.2 δ, spray density wqA=1.12q;
B district scope:
depth of packing hB=δ, spray density wqB=0.9q;
C district scope:
depth of packing hC=0.75 δ, spray density wqC=0.75q.
The principle of the work of said apparatus is as follows:
Outside air enters filler region through catchment area after entering high-order receipts water cooling tower, and because the certain guide effect of captation region to air makes high-order receipts water cooling tower central area air velocity maximum, outer peripheral areas air velocity is minimum.Because the maximum and zone line coolant water temperature of zone line air velocity still has gap apart from its cooling limit wet bulb air themperature, namely zone line cooling capacity also has room for promotion, for utilizing its cooling capacity as far as possible, increasing zone line packed height, strengthening zone line spray density simultaneously.Outer peripheral areas is not enough due to air mass flow, affects the cooling of its recirculated water, therefore for increasing its ventilation, improves cooling effectiveness, reduces outer peripheral areas height and outer peripheral areas spray density.
The present invention adopts the coupled modes of non-homogeneous water distribution air distribution, i.e. a kind of mode of combining with water distribution nonuniform mutation operator of filler nonuniform mutation operator, the gas-water ratio in each region in tower can be improved to greatest extent, give full play to the cooling performance of cooling tower, improve the high-order cooling effectiveness receiving water cooling tower.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. a high-order receipts water cooling tower air commutation system, comprise the water distributing area and packing area that are positioned at cooling tower, it is characterized in that: the water distribution in described water distributing area and packing area and filler all adopt nonuniform mutation operator and subregion to arrange, namely receive along a high position arrangement that the diametric(al) of water cooling tower takes the non-contour layout of a kind of filler, water distribution nonuniform mutation operator from inside to outside, the radius of described water distributing area each district water distribution is corresponding with the scope of each district, packing area filler.
2. high-order receipts water cooling tower air commutation system as claimed in claim 1, it is characterized in that, described water distributing area and the partitioned mode of packing area are: centered by the vertical axis of cooling tower, are outwards divided into three annular sections of different radii successively, i.e. A district, B district and C district.
3. high-order receipts water cooling tower air commutation system as claimed in claim 2, it is characterized in that, the pass of the radius filler of three packing areas is: A district≤B district≤C district.
4. high-order receipts water cooling tower air commutation system as claimed in claim 2, it is characterized in that, the pass of the water distribution radius of three water distributing areas is: A district≤B district≤C district, the radius filler one_to_one corresponding of the water distribution radius of three water distributing areas and three packing areas, and radius size is equal separately.
5. high-order receipts water cooling tower air commutation system as claimed in claim 2, it is characterized in that, the depth of packing of three packing areas closes and is: A district >=> C district of B district.
6. high-order receipts water cooling tower air commutation system as claimed in claim 2, it is characterized in that, the spray density of described three water distributing areas closes and is: >C district of >B district of A district.
7. high-order receipts water cooling tower air commutation system as claimed in claim 2, it is characterized in that, the radius filler scope of described three packing areas is:
A district radius filler scope:
b district radius filler scope:
c district radius filler scope:
wherein
for equivalent radius, be this place's radius filler and the ratio of filler zone radius maximum.
8. high-order receipts water cooling tower air commutation system as claimed in claim 2, it is characterized in that, the depth of packing scope of described three packing areas is:
A district thickness: hA=δ ~ 1.17 δ, B district thickness: hB=δ, C district thickness: hC=0.8 δ ~ 0.83 δ, wherein δ be uniform filling contour arrange time height.
9. high-order receipts water cooling tower air commutation system as claimed in claim 2, it is characterized in that, the water distribution radius of three water distributing areas is:
A district water distribution radius:
b district water distribution radius:
c district water distribution radius:
wherein
for equivalent radius, be this water distributing area, place radius and the ratio of water distribution zone radius maximum.
10. high-order receipts water cooling tower air commutation system as claimed in claim 2, it is characterized in that, the spray density of three water distributing areas is: A district: 1.05q≤wq≤1.15q; B district: 0.85q≤wq≤q; C district: 0.7q≤wq≤0.8q, spray density when wherein q is uniform water distribution.
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CN201510263616.2A CN104833261A (en) | 2015-05-18 | 2015-05-18 | Air rectifying system for high-level water-collecting cooling tower |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105332527A (en) * | 2015-11-09 | 2016-02-17 | 中国能源建设集团广东省电力设计研究院有限公司 | Water collection system of high-level water collection tower |
CN105333766A (en) * | 2015-11-09 | 2016-02-17 | 中国能源建设集团广东省电力设计研究院有限公司 | Cooling system of high water collecting tower |
CN105352359A (en) * | 2015-11-09 | 2016-02-24 | 中国能源建设集团广东省电力设计研究院有限公司 | Filler system of high-position water collection tower |
CN105466273A (en) * | 2015-12-30 | 2016-04-06 | 安徽泰达尔能源科技有限公司 | Less-packing arrangement structure and method for natural-ventilation counter-flow wet cooling tower |
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FR2270539A2 (en) * | 1974-03-22 | 1975-12-05 | Hamon Sobelco Sa | Cooling tower with direct and indirect cooling elements - mounted above each other, giving control of outlet air humidity |
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CN102607324A (en) * | 2012-03-28 | 2012-07-25 | 山东大学 | Novel arranging method for filler of wet cooling tower |
CN203687747U (en) * | 2014-01-28 | 2014-07-02 | 北京义通美达节能环保科技有限公司 | Water distribution system for cooling tower |
CN104089497A (en) * | 2014-06-30 | 2014-10-08 | 国电龙源电力技术工程有限责任公司 | Heat exchange device of cooling tower |
CN204612575U (en) * | 2015-05-18 | 2015-09-02 | 山东大学 | A kind of high-order receipts water cooling tower air commutation system |
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2015
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Patent Citations (6)
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FR2270539A2 (en) * | 1974-03-22 | 1975-12-05 | Hamon Sobelco Sa | Cooling tower with direct and indirect cooling elements - mounted above each other, giving control of outlet air humidity |
SU1386836A1 (en) * | 1986-10-14 | 1988-04-07 | Производственно-Техническое Предприятие "Сибэнергочермет" | Water-cooling tower |
CN102607324A (en) * | 2012-03-28 | 2012-07-25 | 山东大学 | Novel arranging method for filler of wet cooling tower |
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CN204612575U (en) * | 2015-05-18 | 2015-09-02 | 山东大学 | A kind of high-order receipts water cooling tower air commutation system |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105332527A (en) * | 2015-11-09 | 2016-02-17 | 中国能源建设集团广东省电力设计研究院有限公司 | Water collection system of high-level water collection tower |
CN105333766A (en) * | 2015-11-09 | 2016-02-17 | 中国能源建设集团广东省电力设计研究院有限公司 | Cooling system of high water collecting tower |
CN105352359A (en) * | 2015-11-09 | 2016-02-24 | 中国能源建设集团广东省电力设计研究院有限公司 | Filler system of high-position water collection tower |
CN105352359B (en) * | 2015-11-09 | 2017-08-04 | 中国能源建设集团广东省电力设计研究院有限公司 | A high position receives the filling system of water tower |
CN105332527B (en) * | 2015-11-09 | 2017-09-22 | 中国能源建设集团广东省电力设计研究院有限公司 | A high position receives the receipts water system of water tower |
CN105466273A (en) * | 2015-12-30 | 2016-04-06 | 安徽泰达尔能源科技有限公司 | Less-packing arrangement structure and method for natural-ventilation counter-flow wet cooling tower |
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Application publication date: 20150812 |