CN103111818A - Air cooler and machining technology thereof - Google Patents
Air cooler and machining technology thereof Download PDFInfo
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- CN103111818A CN103111818A CN 201310040800 CN201310040800A CN103111818A CN 103111818 A CN103111818 A CN 103111818A CN 201310040800 CN201310040800 CN 201310040800 CN 201310040800 A CN201310040800 A CN 201310040800A CN 103111818 A CN103111818 A CN 103111818A
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Abstract
The invention belongs to the technical field of heat dissipation devices, particularly relates to an air cooler and machining technology of the air cooler and solves the technical problems of existing technology such as design which is not reasonable enough. The machining technology of the air cooler comprises the following steps: A. preparing a steel aluminum composite plate; B. preparing an aluminum finned tube; C. welding the aluminum finned tube and the steel aluminum composite plate. Compared with the prior art, the air cooler and the machining technology of the air cooler have the advantages of being simple in machining technology, easy to operate and good in production quality. The aluminum finned tube is simple in structure, small in overall weight, convenient to convey and install, not prone to corrosion, long in service life and good in heat dissipation effect. A steel aluminum composite tube plate is small in quality and convenient to convey. The installation process is convenient to conduct, the heat dissipation effect is good, and the overall air cooling effect can be improved.
Description
Technical field
The invention belongs to the heat abstractor technical field, especially relate to a kind of air cooler and processing technology thereof.
Background technology
Aerial cooler be with surrounding air as cooling medium, horizontal plunderring outside finned tube makes that in pipe, the high-temperature technology fluid obtains the equipment of cooling or condensation, is called for short by " air cooler ", also claims by " air-cooled type heat exchanger ".Air cooler is a set of equipment independently, and floor space is little, can place indoor or outdoors by customer requirements, can also can use steel pipe with flexible pipe with equipment connection.In order to increase exchange rate, generally can utilize blower fan to strengthen the mobility of air, cooling due to it, heat-sinking capability is strong, saving water resource, thereby be widely used in the fields such as oil, chemical industry, the energy, metallurgy, Aero-Space.
In prior art, the design of finned tube and composite plate is reasonable not, and syndeton intensity between the two is not high.Aluminium base pipe is that cover in steel tube surface the steel combined with aluminum pipe that one deck aluminium forms in fact be exactly steel pipe, and aluminium-coating surface is in order to fix with solder technology with the aluminium fin.This parent tube is because be steel, so overall weight is heavy, transportation is installed inconvenient, easily is corroded, and the life-span is low and the air cooling effect is relatively poor.On the other hand, the whole steel construction that adopts of existing composite plate is steel plate, and weight is large, causes installing inconvenience, and because the radiating effect of steel is poor, causes the radiating effect of whole air cooler poor.And the moulding process of present composite adopts explosive forming or welding overlaying method, electro-plating method etc. more.Explosive forming needs the special-purpose place of safer relative closure, and blast requires active area large, could use after the marginal portion that blast is not applied to exists the gap to cut, and causes cost to rise.Overlaying method is owing to adopting large electric current to carry out, and welding easily causes tube plate deformation, will increase plate thickness for avoiding distortion, and also will carry out machining after built-up welding, so cost rises and the cycle in man-hour is long.The horizontal difficulty of clad tubesheet material technology of electroplating is large, and the cycle is long, and cost is high.
Summary of the invention
The objective of the invention is for the problems referred to above, provide a kind of easy to implement, bonding strength is high, lower-cost air cooler processing technology.
Another object of the present invention is to provide a kind of reasonable in design, and is simple in structure, and overall weight is light, easy transportation and installation, uncorruptible air cooler.
For achieving the above object, the present invention has adopted following technical proposal: this air cooler processing technology, it is characterized in that, and this technique comprises the steps:
A, preparation Steel-aluminium composite board:
1., processing groove: process some grooves on steel substrate, and each groove distributes evenly;
2., surface treatment: the groove inwall is carried out surface treatment, make its roughness be no more than the Sa2.5 level, then do the interface transition processing at the groove inwall;
3., aluminium casting: in mould, the aluminium water of melting is cast in and make steel substrate and aluminium compound on above-mentioned steel substrate, obtain to have the Steel-aluminium composite board for the bar hole of installation aluminum finned tube;
4., post processing: preservative treatment is carried out on the surface of Steel-aluminium composite board;
B, preparation aluminum finned tube:
1., aluminium base pipe is processed: the aluminium base pipe that will be flat type carries out surface clean, removes the greasy dirt of aluminium base tube-surface, guarantees the cleaning of aluminium base tube-surface, then aluminium base pipe is carried out the dry tack free processing, and brushing melting welding agent on the aluminium base pipe of dry tack free;
2., lay the aluminium fin: the aluminium fin for preparing is laid on the outer surface up and down of aluminium base pipe, then with fixture, aluminium fin and aluminium base pipe is compressed;
3., welding: the contact site of aluminium fin and aluminium base pipe is welded, thereby obtain aluminum finned tube;
C, welding of aluminum finned tube and Steel-aluminium composite board:
1., location: the aluminium base tube end of aluminum finned tube is cleaned, then position in the bar hole with aluminium base tube end insertion steel combined with aluminum tube sheet, more aluminium base pipe is passed the bar hole Partial Resection;
2., cleaning: blow clean pore and the steel combined with aluminum tube sheet of aluminum finned tube with compressed air, guarantee cleaning between the bar hole of the aluminium base tube end of aluminum finned tube and steel combined with aluminum tube sheet, without greasy dirt;
3., welding: the bar hole of the aluminium base tube end of aluminum finned tube and steel combined with aluminum tube sheet is integrally welded;
4., post processing: welding is done penetration inspection after completing, and carries out pressure check after penetrating inspection is qualified, and pressure check is qualified namely completes being connected and installed of aluminum finned tube and Steel-aluminium composite board.
In above-mentioned air cooler processing technology, during the processing groove, process at least one step in described groove, have some preformed holes that run through step on described step, the outer end of each preformed hole is respectively equipped with chamfered bore; During surface treatment, above-mentioned preformed hole and chamfered bore inwall are carried out above-mentioned surface treatment; During the aluminium casting, formation aluminium casting matrix and this aluminium casting matrix have the boss that coordinates with step in groove, form connector in preformed hole, form head in chamfered bore, and described aluminium casting matrix, connector and head are connected as a single entity structure.
In above-mentioned air cooler processing technology, described interface transition processing is included in the groove inwall and the preformed hole inwall arranges the metallic particles material of fusing point between steel and aluminium.
In above-mentioned air cooler processing technology, implement the subregion welding in described welding process, and place division board in welding process, prevent that the convection current air is in enforcement welding region process; Pressure testing time during pressure check is 100-150 minute.
A kind of air cooler, it is characterized in that, this air cooler comprises some aluminum finned tubes that are arranged in parallel and two Steel-aluminium composite boards, described Steel-aluminium composite board is arranged on the two ends of aluminum finned tube, described aluminum finned tube comprises the aluminium base pipe that is flat type, is welded with respectively the aluminium fin at the outer surface up and down of aluminium base pipe; Described Steel-aluminium composite board comprises steel substrate, be provided with some equally distributed grooves on steel substrate, be provided with the aluminium casting matrix that is formed by the aluminium casting in described groove, some bar holes that are used for installing aluminum finned tube that are arranged in parallel are set on described aluminium casting matrix; Described aluminium base tube end inserts in described bar hole and both shapes are complementary, and described aluminium base pipe is fixed in bar hole by welding manner.
In above-mentioned air cooler, described groove inwall is provided with at least one step, and described aluminium casting matrix is provided with and the step boss of corresponding setting one by one, and described step and boss coincide mutually; Have some preformed holes that run through step on described step, be provided with the connector that the aluminium casting forms in described preformed hole, described connector and aluminium casting matrix are connected as a single entity structure.
In above-mentioned air cooler, the outer end of described preformed hole is provided with chamfered bore, is provided with the head that is complementary with chamfered bore in described chamfered bore, and described head and connector are connected as a single entity structure.
In above-mentioned air cooler, this air cooler is the Direct Air-Cooled device, be arranged in row about described groove, and the bar hole on each aluminium casting matrix is arranged on same straight line.
In above-mentioned air cooler, this air cooler is the indirect air cooling device, and described groove has two and be arranged in parallel up and down, and described groove is rectangle.
In above-mentioned air cooler, be provided with two curb girders that be arranged in parallel the Steel-aluminium composite board at air cooler two ends is added, between described curb girder and curb girder, frame has some crossbeams, be provided with pull bar arranged in a crossed manner between described crossbeam and crossbeam, one end of two crossbeams is provided with unsteady bobbin carriage, and the other end is provided with fixedly bobbin carriage.
Compared with prior art, the advantage of this air cooler and processing technology thereof is: processing technology is simple, and is easy to implement, superior product quality.Aluminium finned tube structure is simple, and overall weight is light, and easy transportation and installation are not perishable, long service life, good heat dissipation effect.Steel combined with aluminum tube sheet quality is light in transportation, makes installation process convenient, and good heat dissipation effect can improve whole air cooling effect.
Description of drawings
Fig. 1 is aluminum finned tube provided by the invention and structural representation after Steel-aluminium composite board is connected.
Fig. 2 is air cooler aluminium finned tube structure schematic diagram provided by the invention.
Fig. 3 is Steel-aluminium composite board structural representation provided by the invention.
Fig. 4 is the A-A cutaway view that amplifies along the line in Fig. 3.
Fig. 5 is the B-B cutaway view that amplifies along the line in Fig. 3.
Fig. 6 is the C-C cutaway view that amplifies along the line in Fig. 3.
Fig. 7 is part-structure schematic diagram provided by the invention.
In figure, Steel-aluminium composite board 1, groove 3, steel substrate 4, aluminum finned tube 5, bar hole 6, Steel-aluminium composite board 7, aluminium base pipe 8, aluminium fin 9, step 11, preformed hole 12, chamfered bore 13, aluminium casting matrix 14, boss 15, connector 16, head 17, curb girder 18, crossbeam 19, pull bar 20, the bobbin carriage 21 that floats, fixing bobbin carriage 22.
The specific embodiment
Embodiment 1:
As shown in Fig. 1-6, this air cooler processing technology comprises the steps:
A, preparation Steel-aluminium composite board 1:
1., processing groove: process some grooves 3 on steel substrate 4, and each groove 3 distributes evenly;
2., surface treatment: groove 3 inwalls are carried out surface treatment, make its roughness be no more than the Sa2.5 level, then do the interface transition processing at groove 3 inwalls;
3., aluminium casting: in mould, the aluminium water of melting is cast in and make steel substrate 4 and aluminium compound on above-mentioned steel substrate 4, obtain to have the Steel-aluminium composite board 7 for the bar hole 6 that aluminum finned tube 5 is installed;
4., post processing: preservative treatment is carried out on the surface of Steel-aluminium composite board 7.
B, preparation aluminum finned tube 5:
1., aluminium base pipe is processed: the aluminium base pipe 8 that will be flat type carries out surface clean, removes the greasy dirt on aluminium base pipe 8 surfaces, guarantees the cleaning on aluminium base pipe 8 surfaces, then aluminium base pipe 8 is carried out the dry tack free processing, and brushing melting welding agent on the aluminium base pipe 8 of dry tack free;
2., lay the aluminium fin: the aluminium fin 9 for preparing is laid on the outer surface up and down of aluminium base pipe 8, then with fixture, aluminium fin 9 and aluminium base pipe 8 is compressed;
3., welding: the contact site of aluminium fin 9 and aluminium base pipe 8 is welded, thereby obtain aluminum finned tube 5.
C, welding of aluminum finned tube 5 and Steel-aluminium composite board 1:
1., location: aluminium base pipe 8 ends of aluminum finned tube 5 are cleaned, then aluminium base pipe 8 ends are inserted in the bar hole 6 of steel combined with aluminum tube sheets 1 and position, more aluminium base pipe 8 is passed bar hole 6 Partial Resections;
2., cleaning: blow clean pore and the steel combined with aluminum tube sheet 1 of aluminum finned tube 5 with compressed air, guarantee cleaning between the bar hole 6 of aluminium base pipe 8 ends of aluminum finned tube 5 and steel combined with aluminum tube sheet 1, without greasy dirt;
3., welding: the bar hole 6 of aluminium base pipe 8 ends of aluminum finned tube 5 and steel combined with aluminum tube sheet 1 is integrally welded;
4., post processing: welding is done penetration inspection after completing, and carries out pressure check after penetrating inspection is qualified, and pressure check is qualified namely completes being connected and installed of aluminum finned tube 5 and Steel-aluminium composite board 1.
In the present invention, during processing groove 3, process at least one step 11 in groove 3, have some preformed holes 12 that run through step on step 11, the outer end of each preformed hole 12 is respectively equipped with chamfered bore 13; During surface treatment, above-mentioned preformed hole 12 and chamfered bore 13 inwalls are carried out above-mentioned surface treatment; During the aluminium casting, have at the interior formation aluminium of groove 3 casting matrix 14 and this aluminium casting matrix 14 boss 15 that coordinates with step 11, at the interior formation connector 16 of preformed hole 12, at the interior formation head 17 of chamfered bore 13, described aluminium casting matrix 14, connector 16 and head 17 are connected as a single entity structure.
The interface transition processing is included in groove 3 inwalls and preformed hole 12 inwalls arrange the metallic particles material of fusing point between steel and aluminium.Implement the subregion welding in welding process, and place division board in welding process, prevent that the convection current air is in enforcement welding region process; Pressure testing time during pressure check is 100-150 minute.
Air cooler comprises some aluminum finned tubes that are arranged in parallel 5 and two Steel-aluminium composite boards 1, and Steel-aluminium composite board 1 is arranged on the two ends of aluminum finned tube 5, and aluminum finned tube 5 comprises the aluminium base pipe 8 that is flat type, is welded with respectively aluminium fin 9 at the outer surface up and down of aluminium base pipe 8; Steel-aluminium composite board 1 comprises steel substrate 4, is provided with some equally distributed grooves 3 on steel substrate 4, is provided with the aluminium casting matrix 14 that is formed by the aluminium casting in groove 3, and some bar holes 6 that are used for installing aluminum finned tube 5 that are arranged in parallel are set on aluminium casting matrix 14; Aluminium base pipe 8 ends are inserted in described bar hole 6 and both shapes are complementary, and aluminium base pipe 8 is fixed in bar hole 6 by welding manner.
Embodiment 2:
In the present embodiment, air cooler is the indirect air cooling device, and groove 3 has two and be arranged in parallel up and down, and groove 3 is rectangle.As shown in Figure 7, be provided with two curb girders that be arranged in parallel 18 the Steel-aluminium composite board 1 at air cooler two ends is added, between described curb girder 18 and curb girder 18, frame has some crossbeams 19, be provided with pull bar arranged in a crossed manner 20 between described crossbeam 19 and crossbeam 19, one end of two crossbeams 19 is provided with the bobbin carriage 21 that floats, and the other end is provided with fixedly bobbin carriage 22.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used Steel-aluminium composite board 1, groove 3, steel substrate 4, aluminum finned tube 5, bar hole 6, Steel-aluminium composite board 7, aluminium base pipe 8, aluminium fin 9, step 11, preformed hole 12, chamfered bore 13, aluminium casting matrix 14, boss 15, connector 16, head 17, curb girder 18, crossbeam 19, pull bar 20, the bobbin carriage 21 that floats, the fixing term such as bobbin carriage 22, do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (10)
1. an air cooler processing technology, is characterized in that, this technique comprises the steps:
A, preparation Steel-aluminium composite board (1):
1., processing groove: at the upper processing of steel substrate (4) some grooves (3), and each groove (3) evenly distributes;
2., surface treatment: groove (3) inwall is carried out surface treatment, make its roughness be no more than the Sa2.5 level, then do the interface transition processing at groove (3) inwall;
3., aluminium casting: in mould, the aluminium water of melting is cast in and make steel substrate (4) and aluminium compound on above-mentioned steel substrate (4), obtain to have the Steel-aluminium composite board (7) for the bar hole (6) that aluminum finned tube (5) is installed;
4., post processing: preservative treatment is carried out on the surface of Steel-aluminium composite board (7);
B, preparation aluminum finned tube (5):
1., aluminium base pipe is processed: the aluminium base pipe (8) that will be flat type carries out surface clean, remove the greasy dirt on aluminium base pipe (8) surface, guarantee the cleaning on aluminium base pipe (8) surface, then aluminium base pipe (8) is carried out dry tack free and process, and in the upper brushing melting welding agent of the aluminium base pipe (8) of dry tack free;
2., lay the aluminium fin: the aluminium fin (9) for preparing is laid on the outer surface up and down of aluminium base pipe (8), then with fixture, aluminium fin (9) and aluminium base pipe (8) is compressed;
3., welding: the contact site of aluminium fin (9) and aluminium base pipe (8) is welded, thereby obtain aluminum finned tube (5);
C, welding of aluminum finned tube (5) and Steel-aluminium composite board (1):
1., location: aluminium base pipe (8) end of aluminum finned tube (5) is cleaned, then aluminium base pipe (8) end is inserted in the bar hole (6) of steel combined with aluminum tube sheet (1) and position, more aluminium base pipe (8) is passed bar hole (6) Partial Resection;
2., cleaning: blow clean pore and the steel combined with aluminum tube sheet (1) of aluminum finned tube (5) with compressed air, guarantee cleaning between the bar hole (6) of aluminium base pipe (8) end of aluminum finned tube (5) and steel combined with aluminum tube sheet (1), without greasy dirt;
3., welding: the bar hole (6) of aluminium base pipe (8) end of aluminum finned tube (5) and steel combined with aluminum tube sheet (1) is integrally welded;
4., post processing: welding is done penetration inspection after completing, and carries out pressure check after penetrating inspection is qualified, and pressure check is qualified namely completes being connected and installed of aluminum finned tube (5) and Steel-aluminium composite board (1).
2. air cooler processing technology according to claim 1, it is characterized in that, during processing groove (3), process at least one step (11) in described groove (3), have some preformed holes (12) that run through step on described step (11), the outer end of each preformed hole (12) is respectively equipped with chamfered bore (13); During surface treatment, above-mentioned preformed hole (12) and chamfered bore (13) inwall are carried out above-mentioned surface treatment; During the aluminium casting, formation aluminium casting matrix (14) and this aluminium casting matrix (14) have the boss (15) that coordinates with step (11) in groove (3), form connector (16) in preformed hole (12), form head (17) in chamfered bore (13), described aluminium casting matrix (14), connector (16) and head (17) are connected as a single entity structure.
3. air cooler processing technology according to claim 1 and 2, is characterized in that, described interface transition processing is included in groove (3) inwall and preformed hole (12) inwall arranges the metallic particles material of fusing point between steel and aluminium.
4. air cooler processing technology according to claim 1 and 2, is characterized in that, implements the subregion welding in described welding process, and place division board in welding process, prevents that the convection current air is in enforcement welding region process; Pressure testing time during pressure check is 100-150 minute.
5. air cooler, it is characterized in that, this air cooler comprises some aluminum finned tubes that are arranged in parallel (5) and two Steel-aluminium composite boards (1), described Steel-aluminium composite board (1) is arranged on the two ends of aluminum finned tube (5), described aluminum finned tube (5) comprises the aluminium base pipe (8) that is flat type, is welded with respectively aluminium fin (9) at the outer surface up and down of aluminium base pipe (8); Described Steel-aluminium composite board (1) comprises steel substrate (4), be provided with some equally distributed grooves (3) on steel substrate (4), be provided with the aluminium casting matrix (14) that is formed by the aluminium casting in described groove (3), some bar holes (6) that are used for installing aluminum finned tube (5) that are arranged in parallel are set on described aluminium casting matrix (14); Described aluminium base pipe (8) end is inserted in described bar hole (6) and both shapes are complementary, and described aluminium base pipe (8) is fixed in bar hole (6) by welding manner.
6. air cooler according to claim 5, it is characterized in that, described groove (3) inwall is provided with at least one step (11), described aluminium casting matrix (14) is provided with and step (11) boss of corresponding setting (15) one by one, and described step (11) and boss (15) coincide mutually; Have some preformed holes (12) that run through step (11) on described step (11), be provided with the connector (16) that the aluminium casting forms in described preformed hole (12), described connector (16) is connected as a single entity structure with aluminium casting matrix (14).
7. air cooler according to claim 6, it is characterized in that, the outer end of described preformed hole (12) is provided with chamfered bore (13), be provided with the head (17) that is complementary with chamfered bore (13) in described chamfered bore (13), described head (17) is connected as a single entity structure with connector (16).
8. according to claim 5 or 6 or 7 described air coolers, is characterized in that, this air cooler is the Direct Air-Cooled device, be arranged in row about described groove (3), and the bar hole (6) on each aluminium casting matrix (14) is arranged on same straight line.
9. according to claim 5 or 6 or 7 described air cooler steel combined with aluminum tube sheets, is characterized in that, this air cooler is the indirect air cooling device, and described groove (3) has two and be arranged in parallel up and down, and described groove (3) is rectangle.
10. air cooler according to claim 9, it is characterized in that, this air cooler is the indirect air cooling device, at added two curb girders that be arranged in parallel (18) that are provided with of the Steel-aluminium composite board (1) at air cooler two ends, between described curb girder (18) and curb girder (18), frame has some crossbeams (19), be provided with pull bar arranged in a crossed manner (20) between described crossbeam (19) and crossbeam (19), an end of two crossbeams (19) is provided with unsteady bobbin carriage (21), and the other end is provided with fixedly bobbin carriage (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310040800 CN103111818A (en) | 2013-02-03 | 2013-02-03 | Air cooler and machining technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310040800 CN103111818A (en) | 2013-02-03 | 2013-02-03 | Air cooler and machining technology thereof |
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| Publication Number | Publication Date |
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| CN103111818A true CN103111818A (en) | 2013-05-22 |
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| CN 201310040800 Pending CN103111818A (en) | 2013-02-03 | 2013-02-03 | Air cooler and machining technology thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766396A (en) * | 2017-01-18 | 2017-05-31 | 上海冰鑫科技有限公司 | A kind of brazing sheet boxlike evaporator and preparation method thereof |
| CN112621142A (en) * | 2020-12-01 | 2021-04-09 | 胡伟 | Heat exchanger fin forming processing method |
-
2013
- 2013-02-03 CN CN 201310040800 patent/CN103111818A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766396A (en) * | 2017-01-18 | 2017-05-31 | 上海冰鑫科技有限公司 | A kind of brazing sheet boxlike evaporator and preparation method thereof |
| WO2018133735A1 (en) * | 2017-01-18 | 2018-07-26 | 上海冰鑫科技有限公司 | Brazed plate-and-shell type evaporator and manufacturing method thereof |
| CN106766396B (en) * | 2017-01-18 | 2024-04-02 | 上海冰鑫科技有限公司 | Brazing sheet box type evaporator and manufacturing method thereof |
| CN112621142A (en) * | 2020-12-01 | 2021-04-09 | 胡伟 | Heat exchanger fin forming processing method |
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Application publication date: 20130522 |