CN105737631A - Heat tube type water-saving device used for cross-flow cooling tower - Google Patents
Heat tube type water-saving device used for cross-flow cooling tower Download PDFInfo
- Publication number
- CN105737631A CN105737631A CN201610101744.1A CN201610101744A CN105737631A CN 105737631 A CN105737631 A CN 105737631A CN 201610101744 A CN201610101744 A CN 201610101744A CN 105737631 A CN105737631 A CN 105737631A
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- China
- Prior art keywords
- heat pipe
- type water
- tower body
- tower
- cooling tower
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/08—Arrangements for recovering heat from exhaust steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a heat tube type water-saving device used for a cross-flow cooling tower. The heat tube type water-saving device comprises a tower body (13), wherein the two sides of the tower body (13) are provided with air inlets; fillers (14) are separately arranged at the inner sides of the air inlets at the two sides of the tower body; cooling water flows in from the upward sides of the fillers (4); heat tube arrays (11) are separately mounted at the inner sides of the fillers (4); each heat tube of the heat tube arrays (11) is formed by connecting a heat tube evaporation section (11-2) arranged on the inner cavity of the tower body (13) and a heat tube condensing section (11-1) arranged above the tower body (13). According to the heat tube type water-saving device, heat tubes are utilized to exchange heat for cooling and condensing statured wet air in the inner cavity of the cross-flow cooling tower, so that the purpose of recycling vapor in the saturated wet air is realized, and evaporation loss of the cooling tower is reduced; the characteristic that the space of the inner cavity of the wet type cross-flow cooling tower is relatively great is sufficiently utilized, so that only heat tube arrays are needed to be additionally arranged in a current wet type cross-flow cooling tower, and therefore, the heat tube type water-saving device is simple in structure and has relatively good water-saving effect.
Description
Technical field
The present invention relates to a kind of chiller, be specifically a kind of heat pipe-type water saving fixtures for crossflow cooling tower.
Background technology
The water resource of per capita of China only has 2300 cubic metres, only the 1/4 of world average level, is one of whole world country that water resource is the poorest per capita, and using water wisely is paid attention to by increasing people, and country is the most increasing to support and the input of water-saving project.Cooling tower is as a kind of gas-liquid heat-exchanger rig, it is widely used in the commercial production such as electric power, refrigeration air-conditioner, but cooling tower is also the equipment that a kind of water consumption is the most serious simultaneously, water saving potential is huge, carry out the water saving development of cooling tower, exploitation water-saving cooling tower, will be the important directions of cooling tower development.
Cooling tower can be divided into reverse-flow, cross-flow type and mixed-flow by the flow direction of hot water and air.Wherein crossflow cooling tower is that a kind of current fall from tower upper vertical, and air bottom horizontal flow sheet passes through packing, the cooling tower that air-flow is orthogonal with current.Comparing counter-flow cooling tower, crossflow cooling tower hydraulic head is less, and air drag is the least, and energy consumption is relatively low, and water distribution ratio is more uniform, easy to maintenance, and the application in middle-size and small-size tower will increase increasingly.
In cooling tower, the water yield is scattered and disappeared and is mainly entered in air because evaporative heat loss makes some aqueous phase become water vapour, simultaneously because hot and humid area is insufficient, and makes unnecessary water droplet enter in air.Measures of Saving Water currently mainly has: add water collection device in cooling tower, high static motorized receives water, Water wheel rotary water-dispensing device eliminates water phenomenon of wafing etc. and receives water measure, but these are to reclaim the water droplet carried in air mostly, it is also the little water droplet that collection cut size is less than 200～300 um that high static motorized receives water, is placed in the saturated moist air in air and still contains large quantity of moisture.Also scholar is had to propose to add pre-cooler, recirculated cooling water is made to carry out pre-cooling before entering cooling tower, reduce cooling tower load thus reduce the water yield of evaporation loss in cooling procedure, but owing to adding pre-cooler on cooling water pipeline, make to add on pipeline resistance elements, the flow resistance of cooling water will be increased.Consider in the air after carrying out hot and humid area still with relatively juicy, if able to use suitable method that the humid air of this part is reprocessed, the moisture in humid air is made to be condensed into liquid further and reclaim, can will effectively reduce the water loss amount of wet type crossflow cooling tower, also can alleviate wet cooling tower goes out tower saliva mist phenomenon simultaneously.Notice that cooling tower inner chamber humid air is bigger with the tower outer air temperature difference, and heat pipe is a kind of heat transfer element with high thermal conductivity energy relying on therein hydraulic fluid phase transformation to realize heat transfer, utilize heat pipe that the heat of cooling tower inner chamber humid air is delivered in tower outer air, in can making tower, High Temperature Moist Air is condensed into liquid, reaches purpose of economizing on water.
Summary of the invention
It is an object of the invention to provide a kind of heat pipe-type water saving fixtures for crossflow cooling tower.The present invention can make the saturated moist air in wet type crossflow cooling tower tower be condensed into liquid before being discharged tower and be outer, and solution wet type crossflow cooling tower water loss is big, go out the problems such as tower saliva mist is many, and the present invention combines the utilization of heat pipe, has preferably except mist, water-saving result.
Technical scheme
:
A kind of heat pipe-type water saving fixtures for crossflow cooling tower, including tower body, described tower body both sides are air inlet, are respectively arranged with filler inside air inlet described in both sides；Cooling water flows into above described filler；The cold air entered from described air inlet forms High Temperature Moist Air with the cooling water vertical heat exchange in described filler flowed into above described filler and enters the cooling tower inner chamber inside described filler；It is characterized in that, be separately installed with heat pipe array inside described filler, the heat pipe of described heat pipe array is by being arranged on the heat pipe evaporator section of described tower body inner chamber and being arranged in the heat pipe condenser section above described tower body and be formed by connecting；It is provided with working solution in described heat pipe；Described working solution is in described heat pipe evaporator section and described High Temperature Moist Air heat exchange and flashes to working solution steam and rises to described heat pipe condenser section, and described High Temperature Moist Air is condensed into liquid；Described working solution steam after evaporation is condensed into liquid in the outer cold air heat exchange of described heat pipe condenser section and tower and flows back to described heat pipe evaporator section.
The angle of inclination of described heat pipe evaporator section is identical with the filler angle of inclination in described tower body.
Described heat pipe condenser section is arranged vertically on above described tower body.
Described heat pipe condenser section is finned tube, and described heat pipe evaporator section is light pipe.
It is evenly arranged with Round fin at described heat pipe condenser section.
The bottom of the heat pipe of described heat pipe array is higher than the high level in described tower body underdrain pond.
The heat pipe of described heat pipe array is gravity-type heat pipe.
The heat pipe of described heat pipe array includes the shell shut at two ends and is filled in the working solution in described shell.
Described working solution is acetone, and described heat pipe package case material is copper.
Beneficial effect:The present invention compared with prior art, has the advantage that
(1) utilize heat pipe heat exchanging, the saturated moist air of crossflow cooling tower inner chamber is carried out cooling condensation, thus realizes reclaiming the purpose of the steam in saturated moist air, reduce cooling tower evaporation loss, there is preferable water-saving result.
(2) this device utilizes heat pipe heat exchanging, makes full use of the feature that wet type crossflow cooling tower intracavity space is bigger, only need to add heat pipe array, simple in construction in existing wet type crossflow cooling tower, and just can reach water saving purpose without consuming additional electrical energy.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is heat pipe structure schematic diagram in the present invention.
Wherein, 1 is cooling water inlet, and 2 is water distributor, and 3 is water-locator, 4 is filler, and 5 is collecting-tank, and 6 is CWR, 7 is filter, and 8 is coolant outlet, and 9 is acclivitous air intake water conservancy diversion BAIYE, 10 is downward-sloping air-out water conservancy diversion BAIYE, and 11 is heat pipe array, and 11-1 is heat pipe condenser section, 11-2 is heat pipe evaporator section, and 12 is blower fan, and 13 is tower body, 14 is filling pipe, and 15 is tapping pipe, and 16 is condensation segment fin.
Detailed description of the invention
Below in conjunction with the accompanying drawings technical scheme is described in detail:
A kind of heat pipe-type water saving fixtures for crossflow cooling tower that the present invention provides, as shown in Figure 1, it includes wet type crossflow cooling tower, this crossflow cooling tower includes that tower body 13, tower body 13 are sequentially provided with blower fan 12, water distributor 2, filler 4, collecting-tank 5, CWR 6 from top to bottom and are installed in the heat pipe array 11 of cooling tower inner chamber.Space is all left between water distributor 2, filler 4, collecting-tank 5；Water distributor 2 connects cooling water inlet 1, is uniformly arranged water-locator 3 below water distributor 2, so that cooling water is uniformly sprayed on filler 4；Tower body 13 both sides are air inlet, and filler 4 is arranged on inside the both sides air inlet of cooling tower, are provided with acclivitous air intake water conservancy diversion BAIYE 9 outside filler 4, cold air can be made even into filler, and ensure that the globule being sprayed on filler will not spatter outward；It is provided with downward-sloping air-out water conservancy diversion BAIYE 10 inside filler, to avoid droplet upwards to be blown away, reduces the liquid that wafts.
Inside crossflow cooling tower, there is bigger cavity, have sufficient space that heat pipe array 11 can be installed.Heat pipe array 11 is the both sides of close filler 4 in being arranged in cooling tower；Heat pipe is divided into evaporator section 11-2 and condensation segment 11-1 two parts, by cooling tower tower body 13 top divides.Wherein, heat pipe evaporator section 11-2 is arranged on cooling tower inner chamber, and its angle of inclination is identical with the angle of inclination of filler 4, and condensation segment 11-1 is connected with evaporator section 11-2, is arranged vertically, and reaches cooling tower overhead.Heat pipe bottom is slightly above the high level of collecting-tank 5, to ensure in the water that heat pipe is immersed in collecting-tank 5 at no time.Collecting-tank 5 side is provided with the filling pipe 14 of ball-cock assembly, can be with moisturizing when cooling tower water shortage, and guaranteed water level is less than setting value；It is provided with tapping pipe 15 bottom collecting-tank 5, is used for changing water or washing cooling tower.Connect below collecting-tank 5 and have CWR 6, connect at CWR 6 and be provided with filter at collecting-tank 5, to prevent CWR 6 from blocking；CWR 6 is connected with coolant outlet 8.
Heat pipe mainly has two kinds, a kind of is the heat pipe of band wick, this heat pipe opposite heat tube evaporator section, the position not requirement of heat pipe condenser section, heat pipe condenser section also can be placed on below heat pipe evaporator section, in this case, the working solution of heat pipe condenser section can return to heat pipe evaporator section by the effect of wick capillary force after being condensed into liquid, but this heat pipe manufacturing cost is higher.In the present invention, described heat pipe is gravity-type heat pipe, the gravity-type heat pipe relying on gravity to make condensed fluid reflux, and does not has wick, it is desirable to heat pipe condenser section must be positioned on heat pipe evaporator section, simple in construction in this heating pipe, and cost is relatively cheap.
Heat pipe used by the present invention is gravity-type heat pipe, as in figure 2 it is shown, wherein A-A is heat pipe profile.The heat pipe of the present invention includes shell and the working solution being filled in pipe, and shell two ends are shut, evacuation in first managing before shutting, and pours into appropriate working solution.Owing to the outdoor lowest temperature is up to-30 DEG C, and the temperature of cooling tower hot water may be up to 50 DEG C, so in operating temperature range, select heat-pipe working medium acetone (acetone operating temperature range is 0 ~ 120 DEG C), the existing good hot property of acetone, again without too high saturated vapor pressure, it it is a kind of preferably working solution.And acetone and copper can be the most compatible, therefore in the present invention, selection acetone is working solution, and selecting copper is shell case material.Heat pipe evaporator section 11-2 is light pipe；For strengthening the heat exchange area of heat pipe condenser section, strengthening the heat transfer effect of heat pipe condenser section 11-1 and tower outer air, heat pipe condenser section 11-1 uses finned tube, and fin is Round fin, and fin 16 is evenly arranged on condensation segment 11-1.
During work: need cooled recirculated cooling water to first pass through cooling water population 1 and enter water distributor 2, then uniformly it is sprayed on filler 4 by water-locator 3, with the vertical heat exchange of cold air being blown into from air intake water conservancy diversion BAIYE 9 in filler 4, cooled cooling water enters collecting-tank 5, enter CWR 6 through filter 7 afterwards, eventually pass back to coolant outlet 8；Simultaneously, the cold air being blown into from air intake water conservancy diversion BAIYE 9 and cooling water are after filler 4 heat exchange becomes high temperature saturated moist air, by air-out water conservancy diversion BAIYE 10, flow through heat pipe array 11, high temperature saturated moist air transfers heat to the heat pipe working solution in heat pipe evaporator section 11-2, and it is condensed into liquid at heat pipe evaporator section 11-2 outer surface, it is flowed into collecting-tank 5；Evaporate after the heat of the working solution absorption high temperature saturated moist air in heat pipe evaporator section 11-2, steam therein rises arrival heat pipe condenser section 11-1, cold air heat exchange outer with tower is condensed into liquid, condensation water flows down along inwall under gravity, come back to heat pipe evaporator section 11-2, circulate and so forth, the heat constantly high temperature saturated moist air in tower is transferred to tower outer air, realize the Continuous Heat Transfer between two kinds of fluids, and High Temperature Moist Air constantly condenses in making tower, reclaim the moisture in humid air and reach the purpose of water saving.During Gai, the heat that the heat that in heat pipe evaporator section 11-2, hydraulic fluid absorbs from High Temperature Moist Air is put in environment with working substance steam in heat pipe condenser section 11-1 be equal, i.e. the energy balance.
In addition to the implementation, the present invention can also have other embodiments.The technical scheme that all employing equivalents or equivalent transformation are formed, all falls within the protection domain of application claims.
Claims (9)
1., for heat pipe-type water saving fixtures for crossflow cooling tower, including tower body (13), described tower body (13) both sides are air inlet, are respectively arranged with filler (4) inside air inlet described in both sides；Cooling water flows into from described filler (4) top；The cold air entered from described air inlet forms High Temperature Moist Air with the cooling water vertical heat exchange in described filler (4) flowed into from described filler (4) top and enters the cooling tower inner chamber of described filler (4) inner side；It is characterized in that, described filler (4) inner side be separately installed with heat pipe array (11), the heat pipe of described heat pipe array (11) by be arranged on described tower body (13) inner chamber heat pipe evaporator section (11-2) and be arranged in described tower body (13) top heat pipe condenser section (11-1) be formed by connecting；It is provided with working solution in described heat pipe；Described working solution is in described heat pipe evaporator section (11-2) and described High Temperature Moist Air heat exchange and flashes to working solution steam and rises to described heat pipe condenser section (11-1), and described High Temperature Moist Air is condensed into liquid；Described working solution steam after evaporation is condensed into liquid in the outer cold air heat exchange of described heat pipe condenser section (11-1) and tower and flows back to described heat pipe evaporator section (11-2).
Heat pipe-type water saving fixtures the most according to claim 1, it is characterised in that the angle of inclination of described heat pipe evaporator section (11-2) is identical with filler (4) angle of inclination in described tower body (13).
Heat pipe-type water saving fixtures the most according to claim 1, it is characterised in that described heat pipe condenser section (11-1) is arranged vertically on described tower body (13) top.
Heat pipe-type water saving fixtures the most according to claim 1, it is characterised in that described heat pipe condenser section (11-1) is finned tube, described heat pipe evaporator section (11-2) is light pipe.
Heat pipe-type water saving fixtures the most according to claim 4, it is characterised in that be evenly arranged with Round fin at described heat pipe condenser section (11-1).
Heat pipe-type water saving fixtures the most according to claim 1, it is characterised in that the bottom of the heat pipe of described heat pipe array (11) is higher than the high level in described tower body (13) underdrain pond (5).
Heat pipe-type water saving fixtures the most according to claim 1, it is characterised in that the heat pipe of described heat pipe array (11) is gravity-type heat pipe.
Heat pipe-type water saving fixtures the most according to claim 1, it is characterised in that the heat pipe of described heat pipe array (11) includes the shell shut at two ends and is filled in the working solution in described shell.
Heat pipe-type water saving fixtures the most according to claim 8, it is characterised in that described working solution is acetone, described heat pipe package case material is copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610101744.1A CN105737631A (en) | 2016-02-25 | 2016-02-25 | Heat tube type water-saving device used for cross-flow cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610101744.1A CN105737631A (en) | 2016-02-25 | 2016-02-25 | Heat tube type water-saving device used for cross-flow cooling tower |
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|---|---|
| CN105737631A true CN105737631A (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610101744.1A Pending CN105737631A (en) | 2016-02-25 | 2016-02-25 | Heat tube type water-saving device used for cross-flow cooling tower |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225507A (en) * | 2016-07-30 | 2016-12-14 | 山东蓝想环境科技股份有限公司 | Extraction condensing type fog dispersal water saving fixtures |
| CN106766995A (en) * | 2016-12-30 | 2017-05-31 | 天津市布加迪环保科技发展有限公司 | A kind of heat pipe bundled tube cooling device |
| CN108151551A (en) * | 2018-02-09 | 2018-06-12 | 广州览讯科技开发有限公司 | A kind of centrifugation air blast cross flow cooling tower using disjunctor water distributing tray |
| CN108310895A (en) * | 2018-03-08 | 2018-07-24 | 洪霞 | Emission reduction water-saving system for air contaminant treatment |
| CN108680044A (en) * | 2018-06-08 | 2018-10-19 | 南京师范大学 | A kind of water-saving cooling tower systems of original position self-cleaning |
| CN108871008A (en) * | 2018-08-15 | 2018-11-23 | 陈碧建 | A kind of multi-joint cascade heat exchanger |
| CN110988017A (en) * | 2019-12-20 | 2020-04-10 | 江苏方露检测科技服务有限公司 | Method for rapidly detecting aldehyde ketone compounds in ambient air |
| CN113280647A (en) * | 2021-06-29 | 2021-08-20 | 山东大学 | Water-saving structure of wet cooling tower |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56138689A (en) * | 1980-03-31 | 1981-10-29 | Shinko Fuaudoraa Kk | Dry-wet type cooling tower by using heat pipe |
| JPS5714177A (en) * | 1980-06-27 | 1982-01-25 | Shinko Fuaudoraa Kk | Water cooling tower with fresh water recovery device |
| CN2577217Y (en) * | 2002-10-15 | 2003-10-01 | 财团法人工业技术研究院 | Heat-tube tightly-closed cooling water-tower |
| CN201218574Y (en) * | 2008-06-04 | 2009-04-08 | 西安工程大学 | Heat pipe cold recovery type evaporation-cooling high temperature water chilling unit |
-
2016
- 2016-02-25 CN CN201610101744.1A patent/CN105737631A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56138689A (en) * | 1980-03-31 | 1981-10-29 | Shinko Fuaudoraa Kk | Dry-wet type cooling tower by using heat pipe |
| JPS5714177A (en) * | 1980-06-27 | 1982-01-25 | Shinko Fuaudoraa Kk | Water cooling tower with fresh water recovery device |
| CN2577217Y (en) * | 2002-10-15 | 2003-10-01 | 财团法人工业技术研究院 | Heat-tube tightly-closed cooling water-tower |
| CN201218574Y (en) * | 2008-06-04 | 2009-04-08 | 西安工程大学 | Heat pipe cold recovery type evaporation-cooling high temperature water chilling unit |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225507A (en) * | 2016-07-30 | 2016-12-14 | 山东蓝想环境科技股份有限公司 | Extraction condensing type fog dispersal water saving fixtures |
| CN106225507B (en) * | 2016-07-30 | 2018-11-20 | 山东蓝想环境科技股份有限公司 | Extraction condensing type fog dispersal water saving fixtures |
| CN106766995A (en) * | 2016-12-30 | 2017-05-31 | 天津市布加迪环保科技发展有限公司 | A kind of heat pipe bundled tube cooling device |
| CN108151551A (en) * | 2018-02-09 | 2018-06-12 | 广州览讯科技开发有限公司 | A kind of centrifugation air blast cross flow cooling tower using disjunctor water distributing tray |
| CN108310895A (en) * | 2018-03-08 | 2018-07-24 | 洪霞 | Emission reduction water-saving system for air contaminant treatment |
| CN108680044A (en) * | 2018-06-08 | 2018-10-19 | 南京师范大学 | A kind of water-saving cooling tower systems of original position self-cleaning |
| CN108871008A (en) * | 2018-08-15 | 2018-11-23 | 陈碧建 | A kind of multi-joint cascade heat exchanger |
| CN110988017A (en) * | 2019-12-20 | 2020-04-10 | 江苏方露检测科技服务有限公司 | Method for rapidly detecting aldehyde ketone compounds in ambient air |
| CN113280647A (en) * | 2021-06-29 | 2021-08-20 | 山东大学 | Water-saving structure of wet cooling tower |
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Application publication date: 20160706 |