CN103697752B - A kind of cooling water water-locator for dull and stereotyped moisture film heat exchange - Google Patents
A kind of cooling water water-locator for dull and stereotyped moisture film heat exchange Download PDFInfo
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- CN103697752B CN103697752B CN201310741486.XA CN201310741486A CN103697752B CN 103697752 B CN103697752 B CN 103697752B CN 201310741486 A CN201310741486 A CN 201310741486A CN 103697752 B CN103697752 B CN 103697752B
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- cooling water
- cooling
- water inlet
- bottom panel
- interface
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Abstract
The invention discloses a kind of cooling water water-locator for dull and stereotyped moisture film heat exchange, it comprises casing, and described casing comprises: plane bottom panel, and described bottom panel is suitable for contacting with cooling interface flat board; Side, cooling water inlet, the panel of side, described cooling water inlet is provided with at least one cooling water inlet interface; And coolant outlet side, described coolant outlet side comprises the side plane plate tilted relative to described bottom panel, described side plane plate is provided with many row's cooling water drainages and portals, and portalling via described cooling water drainage to allow cooling water flows on the flat board of described cooling interface.It is even that the present invention can realize cooling water water distribution, and the cooling water under meeting different flow is evenly arranged, and effectively improves the moisture film coverage effect on cooling medium flat board, obtain comparatively uniform and stable dull and stereotyped liquid film, strengthen liquid film exchange capability of heat.
Description
Technical field
The present invention relates to a kind of cooling water water-locator for dull and stereotyped moisture film heat exchange, can be used on field of dynamic engineering especially.
Background technology
In field of dynamic engineering, such as nuclear power station, heat exchanger is a kind of common heat transmission and conversion equipment.In heat exchanger, moisture film heat exchange is a kind of heat exchange mode wherein.Moisture film heat exchange has the advantages that heat exchange efficiency is high, technical difficulty is low and the scope of application is wide, is widely used by numerous occasion.Moisture film heat exchange is the surface by cooling water being distributed to cooling interface, form cooling water moisture film, this cooling water moisture film absorbs heat via cooling interface from needing the equipment of cooling, thus this equipment is cooled, himself is then heated to higher temperature because attracting heat, is transported to outside heat transmission equipment again, to remove the heat absorbed by cooling water by the cooling water after heating, namely cooling water is re-cooled, to start new circulation.
Moisture film covering and form are the key features of moisture film heat exchange.Moisture film covers the performance directly determining moisture film heat exchange with form.Cooling water, as the working medium of exchange heat and heat-carrying, is delivered to external refrigeration heat transmission equipment by from the heat needing the equipment of cooling or parts to absorb, thus realizes the cooling of described equipment.And cooling water distribution is more even, cooling water with to cool interracial contact more abundant, and then be delivered to the heat of cooling water by moisture film will be more, the effect of final moisture film heat exchange will be better.
Arrange to realize cooling water moisture film, existing cooling water water-locator generally adopts the configuration of single coolant outlet and spray header.The moisture film that this tubulose spray mode produces is comparatively coarse, such as poor in the thickness of liquid film uniformity of cooling interface surface formation, cooling water forms strand after contact flat board, particularly in the place near coolant outlet, liquid film coverage is very little, and liquid film heat transfer effect is very poor.
In addition, prior art adopts and directly accesses cooling water pipe supply, because cooling water supply exists certain flowed fluctuation, particularly in output large discharge cooling water situation, flowed fluctuation can produce certain impact to moisture film formation, and then affect uniformity and the continuity of moisture film, be difficult to the alleviation effectiveness playing impact flow.Finally make moisture film form and heat transfer process more severe, reduce the effect of moisture film heat exchange and heat exchange cooler.
Therefore, a kind of cooling water water-locator of desired design, it can meet the requirement that moisture film is formed and covers, and namely moisture film covering surfaces as far as possible evenly, and as far as possible comprehensively moisture film form cover, and meets the requirement compared with high coverage rate.
Summary of the invention
In order to solve problem existing in above-mentioned prior art, the invention provides a kind of cooling water water-locator for dull and stereotyped moisture film heat exchange.This cooling water water-locator adopts such technical scheme, and it comprises casing, and described casing comprises: plane bottom panel, and described bottom panel is suitable for contacting with cooling interface flat board; Side, cooling water inlet, the panel of side, described cooling water inlet is provided with at least one cooling water inlet interface; And coolant outlet side, described coolant outlet side comprises the side plane plate tilted relative to described bottom panel, described side plane plate is provided with many row's cooling water drainages and portals, and portalling via described cooling water drainage to allow cooling water flows on the flat board of described cooling interface.
This cooling water water-locator utilizes the cooling water drainage in matrix on the side panel that is arranged in and tilts relative to bottom panel (therefore relative to cooling interface dull and stereotyped) to portal, under gravity cooling water is evenly discharged, then cooling water is first dispersed into planar in point-like, until cover the entire area at cooling interface, thus formed from coolant outlet to the effective uniform water film of the whole process of far-end, so just can effectively improve moisture film heat exchange efficiency, strengthen cooling heat exchanger effect.
Further develop as of the present invention, cooling water water-locator also comprises at least one cushioning fender, and described cushioning fender is arranged near side, described cooling water inlet in described casing, forms cooling water baffling district at described box house.The cushioning fender being arranged in water-locator box house can effective baffling cooling water, makes it form the liquid level type of flow, effectively alleviates the flow attack caused because incoming flow is uneven and the impact on moisture film uniform form thereof.
Preferably, described cushioning fender has multiple, on the top panel vertically and with the spacing distance of setting being alternately arranged in described casing and bottom panel.
More preferably, described cushioning fender is differing from each other at the height of vertical direction, makes described multiple cushioning fender form interlaced arrangement.
Preferably, described many row's cooling water drainages portal for the cooling water drainage arranging different size portals more, and wherein, described cooling water drainage portals less apart from the nearlyer size of described bottom panel.
More preferably, often arrange cooling water drainage to portal to portal with the cooling water drainage of adjacent row and arrange with offseting one from another.
Described cooling water drainage portals and adopts centrosymmetric shape, is selected from any one in following shape: circular, oval, rhombus and square.
Described side plane plate forms the angle of 30 degree to 60 degree relative to described bottom panel.
Exemplarily, at least one cooling water inlet interface described comprises 3 cooling water inlet interfaces, wherein, a cooling water inlet interface arrangement is at the center of the panel of side, described cooling water inlet, and all the other two cooling water inlet interfaces are arranged in the both sides of the described cooling water inlet interface being positioned at center symmetrically.
Described casing is welded by stainless steel faceplate and is formed.
Below with reference to the accompanying drawings more detailed explanation is done to the present invention.
Accompanying drawing explanation
Fig. 1 is the front view of a preferred embodiment according to the cooling water water-locator for dull and stereotyped moisture film heat exchange of the present invention;
Fig. 2 is the top view of the water-locator of cooling water shown in Fig. 1; And
Fig. 3 is the left view of the water-locator of cooling water shown in Fig. 2.
Detailed description of the invention
Refer now to Fig. 1-Fig. 3 and describe the preferred embodiment of the present invention for the cooling water water-locator of dull and stereotyped moisture film heat exchange.
Cooling water water-locator shown in Fig. 1 can be applicable to and requires that dull and stereotyped cooling moisture film keeps on the cooling device of uniform fold, such as steel containment vessel of nuclear power station outer surface.
As shown in Figure 1, cooling water water-locator 1 is provided with the panel 21 of side, cooling water inlet 12, bottom panel 11, top panel 15, the panel 31 of coolant outlet side 13.These panels are all made up of corrosion resistant plate, such as the corrosion resistant plate of 2mm thickness, and concrete thickness can be determined according to actual needs.These panels are welded together to form the casing 1 of cooling water water-locator, and in the view shown in Fig. 1, whole casing presents funnel-form.
The bottom panel 11 of casing is plane, and is arranged horizontally, and is suitable for contacting with cooling interface flat board.
The panel 21 of side, cooling water inlet is provided with cooling water inlet interface 211, and it is arranged in the top of casing 1.As shown in Figure 2, in the ongoing illustrated embodiment, cooling water inlet interface 211 has 3, is positioned at the interface 211'' of cooling water inlet side panel 21 horizontal centre, is arranged symmetrically in the interface 211' of this interface 211'' both sides, 211'''.Interface 211' and 211''' can be respectively 100mm by the distance interface 211'' that is positioned at center.Such as, but in other embodiments, the number of cooling water inlet interface can be more or less, 1, and 2,4 etc., this can determine according to embody rule.
As shown in Figure 1, the panel 31 of coolant outlet side 13 is tilt relative to bottom panel 11, thus has the effect (under inclination conditions, ripples area of section is forced to from childhood to large expansion) of restriction cooling water flow outflow.Such as, panel 31 forms the angle of minimum 30 degree to maximum 60 degree relative to bottom panel 11.The rounded angle, position that panel 31 is being connected with bottom panel 11, so that form continuous print moisture film.
As shown in Figure 2, the cooling water drainage that the panel 31 of coolant outlet side is provided with four row's different sizes portals 311.These tap is circle.In other embodiments, tap also can be centrosymmetric ellipse, rhombus or square etc.This four rows cooling water drainage portals and is numbered 311' respectively, 311'', 311''', and 311'''', and it is such as 1mm, 2mm, 4mm and 8mm respectively that diameter arrives greatly from childhood; In each row, the distance of center circle in hole is such as 7mm; Distance is between row and row such as 3mm, 5mm and 7mm respectively.As shown in the figure, the tap of each row and the tap of adjacent row are all arrange with offseting one from another.
When cooling water flow is less, cooling water is flowed out by the less tap in downside closer to bottom panel, and when cooling water flow is larger, cooling water is then simultaneously by the less tap in downside and upside comparatively macropore outflow.This some holes is arranged to uniform matrix, makes the position of tap, shape, size effectively can mate different flow and moisture film width.
Additionally or alternatively, as shown in Figure 1, be also provided with cushioning fender 14 in casing 1, it can have equally is made up of stainless steel material, and thickness is such as 2mm.In the embodiment shown in fig. 1, cushioning fender 14 has 4, and the spacing between adjacent screen is respectively such as 6mm, 8mm and 10mm.In these 4 cushioning fenders, 2 cushioning fenders are fixedly connected with top panel 15 vertically, and all the other 2 cushioning fenders are fixedly connected with bottom panel 11 vertically.As shown in Figure 1, the height of these 4 cushioning fender in the vertical directions is different from each other, and is alternately arranged on top panel 15 and bottom panel 11, forms interlaced arrangement, thus forms cooling water baffling district near side, cooling water inlet in casing 1.First cooling water enters cooling water baffling district after entering in casing 1, thus relaxes the fluctuation impact produced by flow of cooling water.
In other embodiments, the number of cushioning fender can be more or less, such as, 1,2,3 or more, thickness can be selected equally as required.
Cooling water water-locator of the present invention in the application, is connected with cooling water feeding pipe via cooling water inlet interface.Cooling water flows into water-locator casing through ingress interface, first enters baffling district.Inner in baffling district, cooling water, through the baffling of cushioning fender and buffering, collects the bottom flowing into water-locator, subsequently along bottom panel and outlet side panel, flows out to dull and stereotyped heat exchange interface from the hole of matrix type.When cooling water flow is less, cooling water is by downside comparatively aperture outflow, and when cooling water flow is larger, cooling water is by downside comparatively aperture and upside comparatively macropore outflow.So just can realize cooling water water distribution even, and the cooling water under meeting different flow is evenly arranged, effectively improves the moisture film coverage effect on cooling medium flat board, obtain comparatively uniform and stable dull and stereotyped liquid film, strengthen liquid film exchange capability of heat.
Although invention form disclosed herein is made up of presently preferred embodiment, other forms many are also possible.Be not intended to herein mention all possible equivalents of the present invention or derivative.Should be understood that term used herein is only descriptive, and nonrestrictive, and various change can be made when not running counter to the spirit and scope of the present invention.
Claims (10)
1. for a cooling water water-locator for dull and stereotyped moisture film heat exchange, it comprises casing, it is characterized in that, described casing comprises:
Plane bottom panel, described bottom panel is suitable for contacting with cooling interface flat board;
Side, cooling water inlet, the panel of side, described cooling water inlet is provided with at least one cooling water inlet interface; And
Coolant outlet side, described coolant outlet side comprises the side plane plate tilted relative to described bottom panel, and described side plane plate is provided with many row's cooling water drainages and portals, and portalling via described cooling water drainage to allow cooling water flows on the flat board of described cooling interface.
2. cooling water water-locator according to claim 1, characterized by further comprising at least one cushioning fender, and described cushioning fender is arranged near side, described cooling water inlet in described casing, forms cooling water baffling district at described box house.
3. cooling water water-locator according to claim 2, is characterized in that, described cushioning fender has multiple, on the top panel vertically and with the spacing distance of setting being alternately arranged in described casing and bottom panel.
4. cooling water water-locator according to claim 3, is characterized in that, described cushioning fender is differing from each other at the height of vertical direction, makes described multiple cushioning fender form interlaced arrangement.
5. cooling water water-locator according to claim 1 and 2, is characterized in that, described many row's cooling water drainages portal for the cooling water drainage arranging different size portals more, and wherein, described cooling water drainage portals less apart from the nearlyer size of described bottom panel.
6. cooling water water-locator according to claim 1 and 2, is characterized in that, often arranges cooling water drainage and portals to portal with the cooling water drainage of adjacent row and arrange with offseting one from another.
7. cooling water water-locator according to claim 1 and 2, is characterized in that, described cooling water drainage portals and adopts centrosymmetric shape, is selected from any one in following shape: circular, oval, rhombus and square.
8. cooling water water-locator according to claim 1 and 2, is characterized in that, described side plane plate forms the angle of 30 degree to 60 degree relative to described bottom panel.
9. cooling water water-locator according to claim 1 and 2, it is characterized in that, at least one cooling water inlet interface described is 3 cooling water inlet interfaces, wherein, a cooling water inlet interface arrangement is at the center of the panel of side, described cooling water inlet, and all the other two cooling water inlet interfaces are arranged in the both sides of the described cooling water inlet interface being positioned at center symmetrically.
10. cooling water water-locator according to claim 1 and 2, is characterized in that, described casing is welded by stainless steel faceplate and formed.
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CN103697752B true CN103697752B (en) | 2016-04-06 |
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Families Citing this family (5)
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CN103940063B (en) * | 2014-04-04 | 2016-05-18 | 澳蓝(福建)实业有限公司 | A kind of water distributor for solution temperature and humidity adjustment unit and preparation method thereof |
CN104729561B (en) * | 2015-02-02 | 2017-08-01 | 上海交通大学 | Moving station for measuring the adjustable hang plate moisture film parameter of hydraulic pressure |
CN104900277B (en) * | 2015-04-13 | 2017-10-31 | 上海交通大学 | Rotatable planar surface study of water film distribution device and application method |
CN105202844B (en) * | 2015-10-20 | 2017-06-16 | 中国电子科技集团公司第四十四研究所 | High efficiency water cooling box |
CN106710646B (en) * | 2015-11-12 | 2020-04-17 | 国核华清(北京)核电技术研发中心有限公司 | Pressure-bearing test equipment |
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CN200968816Y (en) * | 2006-10-18 | 2007-10-31 | 湖南元亨科技发展有限公司 | Water distribution apparatus of cooling column . |
CN102052860A (en) * | 2009-10-30 | 2011-05-11 | 上海金发科技发展有限公司 | Cooling trough |
CN201837303U (en) * | 2010-07-06 | 2011-05-18 | 自贡奥翔节能科技有限公司 | High-efficiency spraying and atomizing spray head of cooling tower |
CN202255076U (en) * | 2011-09-29 | 2012-05-30 | 无锡永信能源科技有限公司 | Uniform water distributing device capable of realizing variable flow of reverse-flow cooling tower |
CN203249520U (en) * | 2013-04-07 | 2013-10-23 | 嵊州市金雪制冷设备有限公司 | Tube arrayed type cooler |
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2013
- 2013-12-30 CN CN201310741486.XA patent/CN103697752B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN200968816Y (en) * | 2006-10-18 | 2007-10-31 | 湖南元亨科技发展有限公司 | Water distribution apparatus of cooling column . |
CN102052860A (en) * | 2009-10-30 | 2011-05-11 | 上海金发科技发展有限公司 | Cooling trough |
CN201837303U (en) * | 2010-07-06 | 2011-05-18 | 自贡奥翔节能科技有限公司 | High-efficiency spraying and atomizing spray head of cooling tower |
CN202255076U (en) * | 2011-09-29 | 2012-05-30 | 无锡永信能源科技有限公司 | Uniform water distributing device capable of realizing variable flow of reverse-flow cooling tower |
CN203249520U (en) * | 2013-04-07 | 2013-10-23 | 嵊州市金雪制冷设备有限公司 | Tube arrayed type cooler |
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