CN102168932A - Preparation method for indirect devaporizer - Google Patents
Preparation method for indirect devaporizer Download PDFInfo
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- CN102168932A CN102168932A CN 201110091895 CN201110091895A CN102168932A CN 102168932 A CN102168932 A CN 102168932A CN 201110091895 CN201110091895 CN 201110091895 CN 201110091895 A CN201110091895 A CN 201110091895A CN 102168932 A CN102168932 A CN 102168932A
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Abstract
The invention discloses a preparation method for an indirect devaporizer, comprising the following steps: firstly, superficial treatment is carried out on metal aluminum plates; the metal aluminum plates after the superficial treatment are processed into a lampwick structure; then the metal aluminum plates are processed into a corrugated shape or a tubular shape; a plurality of corrugated metal plates are vertically arranged in parallel to form a heat exchanging plate set; a plurality of tubular metal plates are arranged in parallel in a plurality of rows to form a heat exchanging tube set; the upper part of the heat exchanging plate set or the upper part of the heat exchanging tube set is provided with a water distributor; the water distributor is connected with a water circulating pump and a trough through a pipeline to respectively form a plate fin type indirect devaporizer or a tubular type indirect devaporizer. In the preparation method, the lampwick structure formed by the surfaces of the metal aluminum plates is adopted to improve the structure of a heat exchanging surface, the wicking action is used to enhance the hydrophilicity of the heat exchanging wall surfaces of aluminum plates, the heat transferring medium of a secondary air side runner of the indirect devaporizer is strengthened, and the efficiency, the energy saving performance and the water saving performance of the indirect devaporizer are improved.
Description
Technical field
The invention belongs to caloic switching technology field, be specifically related to the preparation method of indirect evaporation cooler.
Background technology
Primary air and auxiliary air are separated by heat exchange element in the indirect evaporation cooler, form water membrane by spray recirculated water at the heat exchange wall in the auxiliary air side, auxiliary air directly contacts with water and carries out the wet exchange of heat, the temperature maintenance of moisture film is at the wet-bulb temperature of auxiliary air, primary air with the heat transferred auxiliary air, is realized the purpose of cooling by heat exchange element, moisture film.The hydrophily of heat exchange wall is one of key factor that influences the indirect evaporation cooler heat exchange efficiency in this process.
Indirect evaporation cooler heat exchange wall flooring generally adopts metal aluminum foil, and the metal aluminum foil wall is non-hydrophilic surface, and water is at the skewness of wall, has problem such as do, and has restricted the efficient of indirect evaporation cooler.For heat and mass transfer enhancement, mainly be to adopt method of chemical treatment and coating water-absorbent material (fibre sleeving) method to indirect evaporation cooler heat exchange wall hydrophily processing method at present.The former all is suitable for tubular type, plate-fin and heat pipe-type indirect evaporation cooler, but the complex process of handling, cost is higher; The latter only is applicable to tubular type and heat pipe-type, is not suitable for plate fin type indirect evaporative cooler, and the technological requirement height, and long-time running is rotted easily, and service life is limited, changes complicated.
Summary of the invention
The preparation method who the purpose of this invention is to provide a kind of indirect evaporation cooler, by indirect evaporation cooler heat exchange wall is carried out hot functional processing, strengthen the hydrophily of heat exchange surface, heat and mass transfer enhancement, the efficiency of damp and hot exchanging of raising indirect evaporation cooler.
The technical solution adopted in the present invention is, the preparation method of indirect evaporation cooler carries out according to the following steps,
1) at first metal aluminum sheet is cleaned oven dry, the processing of deoiling that eliminates rust is cleaned with bronsted lowry acids and bases bronsted lowry liquid in its surface;
2) metal aluminum sheet after the surface treatment is processed into wick structure;
3) metal aluminum sheet that step 3 is processed into is processed into corrugation shape or tubulose;
4) a plurality of metallic plates that step 3 are processed into the corrugation shape are vertically placed, are arranged in parallel, form plate package, top in plate package is provided with water-locator, and water-locator is connected with tank with water circulating pump by pipeline, constitutes plate fin type indirect evaporative cooler;
The a plurality of metal tubes that step 3 are processed into tubulose are arranged the parallel placement of multiple row more, form set of heat exchange tubes, on the top of set of heat exchange tubes water-locator are set, and water-locator is connected with tank with water circulating pump by pipeline, constitute tube type indirect evaporative cooler.
Characteristics of the present invention also are,
Wherein in the step 2 metal aluminum sheet after the surface treatment is processed into wick structure, be on metal aluminum sheet, to apply the layer of metal powder bed, concrete grammar is as follows: utilize flame gun under fuel gas and oxygen mix burning, mix under the negative pressure state that produces in the runner ejection of the metal material in the flame gun powder bucket is entered flame, carry out heat fusing, the metal dust of heat fusing is ejected on the metallic aluminium sheet material surface, the liquid powder of fusion coheres on the metal aluminum sheet surface, after the cooling, metal dust is solidificated in the metal aluminum sheet surface, forms fine and close powder bed on metal aluminum sheet.
Metal material in the spray gun powder bucket can be metal dust or Fe-Cr-Al, NI-Cr, Mo, Ni wire-shaped material, or Al
2O
3, TiO
2, ZrO
2The composite materials of club-shaped material and pottery or pottery and metal.
Wherein in the step 2 metal aluminum sheet after the surface treatment is processed into wick structure, be that a plurality of micropores are set on metal aluminum sheet, concrete grammar is as follows: utilize sand-blasting machine that the material spray of drying is formed the spray of high velocity jet bundle under pressure and hit the metal aluminum sheet surface, under brute force impact and shear action, on metal aluminum sheet, form micropore.
Wherein in the step 2 metal aluminum sheet after the surface treatment is processed into wick structure, be that the even spaced apart eyed structure of convex-concave is set on metal aluminum sheet, concrete grammar is as follows: utilize the pinch roller that is hubbed on relatively together that metal aluminum sheet is rolled, form the even spaced apart eyed structure of convex-concave by the rolling metal aluminum sheet surface that makes.
Wherein in the step 2 metal aluminum sheet after the surface treatment is processed into wick structure, be that even spaced apart groove is set on metal aluminum sheet, concrete grammar is as follows: tractive force effect under, drive multiple tooth broaching tool by pull bar and advance, utilize the cutting edge plow on the metal aluminum sheet surface on the cutter to go out groove along metal aluminum sheet horizontal fixed direction.
Wherein in the step 2 metal aluminum sheet after the surface treatment is processed into wick structure, it is the palpus shape structure that fixed-direction is set on metal aluminum sheet, concrete grammar is as follows: under the effect of tractive force, drive steel brush brush thorn and advance along metal aluminum sheet horizontal fixed direction, forming on the metal aluminum sheet surface must the shape structure.
Method of the present invention is handled the formation wick structure by indirect evaporation cooler is carried out coating, micropore, mesh, groove or palpus shape etc. with metal aluminum sheet material heat exchange wall, improve the hot functional of heat exchange surface, utilize capillarity to strengthen the hydrophily of aluminium sheet heat exchange wall, thereby make to adopt and handle the indirect evaporation cooler auxiliary air side runner wall surface formation layer of even moisture film that the back aluminium sheet is processed into, improve auxiliary air side runner efficiency of damp and hot exchanging, realize that indirect evaporation cooler is efficient, energy-conservation, the effect of water saving.
Innovative point of the present invention has:
(1) by the method for metallizing coating, micropore, mesh, groove or palpus shape indirect evaporation cooler being carried out wick structure with the aluminium sheet material handles, improve the structure of heat exchange surface, utilize capillarity to strengthen the hydrophily of aluminium sheet heat exchange wall, strengthened indirect evaporation cooler auxiliary air side runner heat and mass;
(2) by the method for metallizing coating, micropore, mesh, groove or palpus shape indirect evaporation cooler being carried out wick structure with the aluminium sheet material handles, because the improvement of auxiliary air side runner heat exchange surface structure, the auxiliary air Turbulence Flow strengthens, and has strengthened indirect evaporation cooler auxiliary air side runner heat and mass;
(3) by the method for metallizing coating, micropore, mesh, groove or palpus shape indirect evaporation cooler being carried out wick structure with the aluminium sheet material handles, strengthened the hydrophily of heat exchange wall, moisture film is more evenly distributed thinner at wall, the long-pending water consumption of unit wall surface reduces, thereby has saved the power of indirect evaporation cooler water consumption and water circulating pump;
(4) by the method for metallizing coating, micropore, mesh, groove or palpus shape indirect evaporation cooler being carried out wick structure with the aluminium sheet material handles; be easy to realize; processing cost is lower; be suitable for large-scale production; with the indirect evaporation cooler efficient height of the aluminium sheet processing after handling, long service life.
Description of drawings
Fig. 1 is the structural representation of the plate fin type indirect evaporative cooler made of the inventive method;
Fig. 2 is the structural representation of the tube type indirect evaporative cooler made of the inventive method;
Fig. 3 is the structural representation of the heat exchanger plates made of the inventive method;
Fig. 4 is the structural representation of the heat exchanger tube made of the inventive method;
Fig. 5 is the structural representation of the metal aluminum sheet that applying coating is handled in the inventive method;
Fig. 6 is the structural representation of the metal aluminum sheet that micropore is handled in the inventive method;
Fig. 7 is the structural representation of the metal aluminum sheet that mesh is handled in the inventive method;
Fig. 8 is the structural representation of the metal aluminum sheet of the inventive method further groove processing;
Fig. 9 is the structural representation of the metal aluminum sheet that the palpus shape is handled in the inventive method.
Among the figure, 1. water-locator, 2. water circulating pump, 3. heat exchanger plates, 4. heat exchanger tube, 5. metallic aluminium clad plate, 6. metallic aluminium microwell plate, 7. metallic aluminium mesh plate, 8. metallic aluminium concave-board, 9. metallic aluminium must the shape plate.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
The preparation method of indirect evaporation cooler of the present invention,
At first metal aluminum sheet is cleaned oven dry, the processing of deoiling that eliminates rust is cleaned with bronsted lowry acids and bases bronsted lowry liquid in its surface;
Metal aluminum sheet after the surface treatment is processed into wick structure;
The metal aluminum sheet that step 3 is processed into is processed into corrugation shape or tubulose, the corrugation shape as shown in Figure 3, tubulose is pipe or elliptical tube, structure as shown in Figure 4.Moisture film on auxiliary air and heat exchanger plates 3 and heat exchanger tube 4 walls carries out the wet exchange of heat and realizes evaporative cooling, and primary air and auxiliary air carry out exchange heat by heat exchanger plates 3 and heat exchanger tube 4 metal aluminium walls again, realize the primary air cooling purpose.
The a plurality of metallic plates 3 that step 3 are processed into the corrugation shape are vertically placed, are arranged in parallel, form plate package, water-locator 1 is set, water-locator 1 is connected with tank with water circulating pump 2 by pipeline on the top of plate package, constitute plate fin type indirect evaporative cooler, its structure such as Fig. 1; Or the parallel placement of a plurality of metal tubes more than 4 row's multiple rows of step 3 being processed into tubulose, form set of heat exchange tubes, water-locator 1 is set, water-locator 1 is connected with tank with water circulating pump 2 by pipeline on the top of set of heat exchange tubes, constitute tube type indirect evaporative cooler, its structure such as Fig. 2.
In the inventive method metal aluminum sheet is processed into wick structure, has adopted following several concrete grammars:
1) in the step 2 metal aluminum sheet after the surface treatment is processed into wick structure, be on metal aluminum sheet, to apply the layer of metal powder bed, concrete grammar is as follows: utilize flame gun under fuel gas and oxygen mix burning, under the negative pressure state that produces in the mixing runner ejection of the metal material in the flame gun powder bucket is entered flame and carry out heat fusing, metal material in the spray gun powder bucket can be metal dust or Fe-Cr-Al, NI-Cr, Mo, Ni wire-shaped material, or Al
2O
3, TiO
2, ZrO
2The composite materials of club-shaped material and pottery or pottery and metal.The metal dust of heat fusing is ejected on the metallic aluminium sheet material surface, and the liquid powder of fusion coheres on the metal aluminum sheet surface, and after the cooling, metal dust is solidificated in the metal aluminum sheet surface, forms metallic aluminium clad plate 5, and structure as shown in Figure 5.
2) in the step 2 metal aluminum sheet after the surface treatment is processed into wick structure, be that a plurality of micropores are set on metal aluminum sheet, concrete grammar is as follows: utilize sand-blasting machine that the material spray of drying is formed the spray of high velocity jet bundle under pressure and hit the metal aluminum sheet surface, under brute force impact and shear action, on metal aluminum sheet, form micropore, form metallic aluminium microwell plate 6, structure as shown in Figure 6.
3) in the step 2 metal aluminum sheet after the surface treatment is processed into wick structure, be that the even spaced apart eyed structure of convex-concave is set on metal aluminum sheet, concrete grammar is as follows: utilize the pinch roller that is hubbed on relatively together that metal aluminum sheet is rolled, form the even spaced apart eyed structure of convex-concave by the rolling metal aluminum sheet surface that makes, form metallic aluminium mesh plate 7, structure as shown in Figure 7.
4) in the step 2 metal aluminum sheet after the surface treatment is processed into wick structure, be that even spaced apart groove is set on metal aluminum sheet, concrete grammar is as follows: tractive force effect under, driving multiple tooth broaching tool by pull bar advances along metal aluminum sheet horizontal fixed direction, utilize the cutting edge plow on the metal aluminum sheet surface on the cutter to go out groove, form metallic aluminium concave-board 8, structure as shown in Figure 8.
5) in the step 2 metal aluminum sheet after the surface treatment is processed into wick structure, it is the palpus shape structure that fixed-direction is set on metal aluminum sheet, concrete grammar is as follows: under the effect of tractive force, driving steel brush brush thorn advances along metal aluminum sheet horizontal fixed direction, on the metal aluminum sheet surface, form palpus shape structure, form metallic aluminium palpus shape plate 9, structure as shown in Figure 9.
The preparation method of indirect evaporation cooler of the present invention, utilize the processing of exchange hot plate applying coating, micropore, mesh, groove or palpus shape, improved the hot functional of heat exchange surface, strengthened the hydrophily on metal aluminum sheet surface, changed the air current composition of air flow channel, reduced the water consumption of per surface area, realized that indirect evaporation cooler is efficient, energy-conservation, the effect of water saving.
Claims (7)
1. the preparation method of indirect evaporation cooler is characterized in that, carry out according to the following steps,
1) at first metal aluminum sheet is cleaned oven dry, the processing of deoiling that eliminates rust is cleaned with bronsted lowry acids and bases bronsted lowry liquid in its surface;
2) metal aluminum sheet after the surface treatment is processed into wick structure;
3) metal aluminum sheet that step 3 is processed into is processed into corrugation shape or tubulose;
4) a plurality of metallic plates (3) that step 3 are processed into the corrugation shape are vertically placed, are arranged in parallel, form plate package, water-locator (1) is set on the top of plate package, water-locator (1) is connected with tank with water circulating pump (2) by pipeline, constitutes plate fin type indirect evaporative cooler;
Step 3 is processed into the parallel placement of a plurality of metal tubes (4) many rows multiple row of tubulose, form set of heat exchange tubes, water-locator (1) is set on the top of set of heat exchange tubes, water-locator (1) is connected with tank with water circulating pump (2) by pipeline, constitute tube type indirect evaporative cooler.
2. according to the preparation method of the described indirect evaporation cooler of claim 1, it is characterized in that, in the described step 2 metal aluminum sheet after the surface treatment is processed into wick structure, is to apply the layer of metal powder bed on metal aluminum sheet, and concrete grammar is as follows:
Utilize flame gun under fuel gas and oxygen mix burning, under the negative pressure state that produces in the mixing runner ejection of the metal material in the flame gun powder bucket is entered flame and carry out heat fusing, the metal dust of heat fusing is ejected on the metallic aluminium sheet material surface, the liquid powder of fusion coheres on the metal aluminum sheet surface, after the cooling, metal dust is solidificated in the metal aluminum sheet surface, forms fine and close powder bed on metal aluminum sheet.
3. according to the preparation method of the described indirect evaporation cooler of claim 2, it is characterized in that the metal material in the described spray gun powder bucket can be metal dust or Fe-Cr-Al, NI-Cr, Mo, Ni wire-shaped material, or Al
2O
3, TiO
2, ZrO
2The composite materials of club-shaped material and pottery or pottery and metal.
4. according to the preparation method of the described indirect evaporation cooler of claim 1, it is characterized in that, in the described step 2 metal aluminum sheet after the surface treatment is processed into wick structure, is that a plurality of micropores are set on metal aluminum sheet, and concrete grammar is as follows:
Utilize sand-blasting machine that the material spray of drying is formed the spray of high velocity jet bundle under pressure and hit the metal aluminum sheet surface, brute force impact and shear action under, on metal aluminum sheet, form micropore.
5. according to the preparation method of the described indirect evaporation cooler of claim 1, it is characterized in that, in the described step 2 metal aluminum sheet after the surface treatment being processed into wick structure, is that the even spaced apart eyed structure of convex-concave is set on metal aluminum sheet, and concrete grammar is as follows:
Utilize the pinch roller that is hubbed on relatively together that metal aluminum sheet is rolled, form the even spaced apart eyed structure of convex-concave by the rolling metal aluminum sheet surface that makes.
6. according to the preparation method of the described indirect evaporation cooler of claim 1, it is characterized in that, in the described step 2 metal aluminum sheet after the surface treatment is processed into wick structure, is that even spaced apart groove is set on metal aluminum sheet, and concrete grammar is as follows:
Tractive force effect under, drive multiple tooth broaching tool by pull bar and advance along metal aluminum sheet horizontal fixed direction, utilize the cutting edge plow on the metal aluminum sheet surface on the cutter to go out groove.
7. according to the preparation method of the described indirect evaporation cooler of claim 1, it is characterized in that, in the described step 2 metal aluminum sheet after the surface treatment is processed into wick structure, is the palpus shape structure that fixed-direction is set on metal aluminum sheet, and concrete grammar is as follows:
Under the effect of tractive force, drive steel brush brush thorn and advance along metal aluminum sheet horizontal fixed direction, forming on the metal aluminum sheet surface must the shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110091895 CN102168932B (en) | 2011-04-13 | 2011-04-13 | Preparation method for indirect devaporizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110091895 CN102168932B (en) | 2011-04-13 | 2011-04-13 | Preparation method for indirect devaporizer |
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| CN102168932A true CN102168932A (en) | 2011-08-31 |
| CN102168932B CN102168932B (en) | 2013-01-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224077A (en) * | 2016-08-29 | 2016-12-14 | 江苏嘉和热***股份有限公司 | A kind of radiator core body for vehicle |
| CN106545989A (en) * | 2016-10-27 | 2017-03-29 | 苏州市凯业金属制品有限公司 | A kind of waste water evaporation air-conditioning support |
| CN114264173A (en) * | 2020-12-28 | 2022-04-01 | 中山市福维环境科技有限公司 | Heat exchange body |
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2011
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|---|---|---|---|---|
| CN87217208U (en) * | 1987-12-31 | 1988-10-05 | 华南工学院 | Rib tunnel mechanical working surface multiple hole pipe |
| CN1052908A (en) * | 1989-12-18 | 1991-07-10 | 运载器有限公司 | Make the method on efficient heat transfer surface and the surface of manufacturing |
| CN1089535A (en) * | 1993-12-22 | 1994-07-20 | 天津大学 | The composite mesh on two surfaces intensify heat transfer pipe of Titanium and the manufacture method of heat transfer plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106224077A (en) * | 2016-08-29 | 2016-12-14 | 江苏嘉和热***股份有限公司 | A kind of radiator core body for vehicle |
| CN106545989A (en) * | 2016-10-27 | 2017-03-29 | 苏州市凯业金属制品有限公司 | A kind of waste water evaporation air-conditioning support |
| CN114264173A (en) * | 2020-12-28 | 2022-04-01 | 中山市福维环境科技有限公司 | Heat exchange body |
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| CN102168932B (en) | 2013-01-30 |
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