CN204787931U - Compound heat exchanger fin of board pipe - Google Patents
Compound heat exchanger fin of board pipe Download PDFInfo
- Publication number
- CN204787931U CN204787931U CN201520062374.6U CN201520062374U CN204787931U CN 204787931 U CN204787931 U CN 204787931U CN 201520062374 U CN201520062374 U CN 201520062374U CN 204787931 U CN204787931 U CN 204787931U
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- coil pipe
- heat
- mounting groove
- plate
- pipe
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Abstract
The utility model discloses a compound heat exchanger fin of board pipe, include the coil pipe that forms by heat exchange tube processing, still include the heat transfer slab, the heat transfer slab is equipped with the mounting groove, and the shape of this mounting groove is mated with the shape of coil pipe, the coil pipe is laid in the mounting groove, and the gap filling within a definite time between coil pipe and the mounting groove has the heat conduction bond line. The utility model discloses a compound heat exchanger fin of board pipe compares with prior art, and the heat conduction bond line makes heat transfer slab and coil pipe fully contact for the coil pipe can produce rib effect, increase effective heat exchange area through the heat transfer slab, the heat transfer slab can form continuous rivers face by the drainage cooling water simultaneously, and increase cooling water evaporation area is long -pending, increase effective heat exchange area and cooling water evaporation area had both improved heat exchange efficiency, were favorable to reducing simultaneously the condenser volume again.
Description
Technical field
The utility model relates to heat-exchange apparatus field, is specifically related to the heat exchanger fin of a kind of plate-sheet-type, coiled compound.
Background technology
On current market, evaporative condenser adopts bending coil pipe to form heat exchanger usually, cools at heat exchanger outer surface shower water, and utilizes the shower water evaporator strip of circulation to walk heat.But this coil exchanger heat exchange pipe external surface is generally smooth surface, and heat exchange efficiency is low.Meanwhile, cooling water evaporation heat transfer sheet area is little, and the spacing of coil pipe need widen the heat-exchange time increasing cooling water and air, causes whole heat exchanger volume huge.On the other hand, flowing, when cooling water lands from top to bottom without medium guide cooling water between pipe up and down due to coil pipe, vertically-supplying air to traction under, cooling water is unordered to wave easily to produce and flies water, and on coil pipe, water distribution is uneven, easily deposit and do, reduce exchange capability of heat and there is fouling risk.
The notification number of applicant's earlier application is in the patent of CN202836298U, discloses the heat exchange section of jurisdiction of a kind of filler coupling coil pipe evaporative condenser, between coil pipe, installs packing sheet additional, guides shower water to form moisture film, solves that cooling water is unordered flies water problem.Multi-disc packing sheet is installed on coil pipe by modes such as buckles, install, dismounting comparatively loaded down with trivial details; Such mounting means, can install tight, can meet the needs guiding shower water to form moisture film, but can not meet the needs with coil pipe direct heat transfer between packing sheet and coil pipe, and packing sheet neither heat exchange material, cannot with coil heat exchange.Although thus this utility model patent improves heat exchange efficiency to a certain extent, owing to being only improve heat exchange efficiency by the utilization rate of raising cooling water, heat exchange efficiency fails to obtain the raising compared with limits.
Utility model content
Not enough for above-mentioned prior art, the technical problems to be solved in the utility model is the heat exchange structure by changing coil pipe, improves heat exchange efficiency to a greater extent.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is, plate pipe composite heat-exchange sheet, comprises the coil pipe processed by heat exchanger tube, also comprise heat transferring plate; Described heat transferring plate is provided with mounting groove, the shape of this mounting groove and the form fit of coil pipe; Coil pipe is placed in mounting groove, and the gap-fill between coil pipe and mounting groove has thermoconductive adhesive layer.Heat transferring plate can guide spraying cooling water to flow to lower floor's heat exchanger tube from upper strata heat exchanger tube, improves the utilization rate of cooling water; Simultaneously because thermoconductive adhesive layer fills the gap between dishful pipe and heat transferring plate, coil pipe is fully contacted with heat transferring plate, heat transferring plate thus become the fin of coil pipe, the effective heat exchange area of increase coil pipe.
As preferably, described thermoconductive adhesive layer is metallic filler layers.The mode that such structure can adopt immersion liquid metal to cool again realizes, and thermoconductive adhesive layer can be filled in gap fully, and the good heat conductivity of metal, and the rib improving heat transferring plate further turns use into.
More preferably, the gap between described coil pipe and mounting groove is less than 10 millimeters.Such structure interval is little, when carrying out liquid metal and soaking, due to the stickiness of liquid metal, can capillarity be there is in liquid metals, behind the inside infiltrating into heat transferring plate and coil pipe contact surface, the uniform thin filler of one deck can be formed in contact surface, not only make heat transferring plate and coil pipe fuse completely as a whole, and the very thin thus thermal contact resistance decreased between heat transferring plate and coil pipe of packed layer.
More preferably, described heat transferring plate also punching press have some stopper slots and/or tack weld.Such structure can ensure that the gap between coil pipe and heat transferring plate can ensure enough little when soaking liquid metal.
As preferably, described metallic filler layers is one or more in zinc, tin, aluminium, copper.This several melting point metal is low, low price, soaks, have high cost performance for liquid metal.
Preferred embodiment can also be, described thermoconductive adhesive layer is heat conduction viscose glue.Direct use heat conduction viscose glue makes processing easier.
Preferably, described heat transferring plate is provided with one or more in perforate, ripple, bending, guiding gutter, dovetail groove or reinforcement.
More preferably, described mounting groove is also provided with some through holes.
Plate pipe composite heat-exchange sheet of the present utility model, compared with prior art, has following beneficial effect:
1) thermoconductive adhesive layer makes heat transferring plate fully contact with coil pipe, makes coil pipe produce rib effect by heat exchange plate, increases effective heat exchange area;
2) heat exchange plate can form continuous print flow plane by drainage cooling water simultaneously, increases cooling water evaporation surface area;
3) increase effective heat exchange area and cooling water evaporation area, both improved heat exchange efficiency, be conducive to again reducing condensation vessel volume simultaneously.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to technological means of the present utility model can be better understood, and can be implemented according to the content of description, and can become apparent to allow above and other object of the present utility model, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model plate pipe composite heat-exchange sheet.
Fig. 2 is the heat transferring plate structural representation of the utility model plate pipe composite heat-exchange sheet.
Fig. 3 is the profile of Fig. 1 along A-A line.
Detailed description of the invention
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to detailed description of the invention of the present utility model, structure, feature and effect thereof, be described in detail as follows:
As depicted in figs. 1 and 2, plate pipe composite heat-exchange sheet of the present utility model, (described processing can for bend to coil pipe to long heat exchanger tube to comprise the coil pipe 1 processed by heat exchanger tube, also can be the heat exchanger tube of the heat exchanger tube of curved segment and straight section is welded together become coil pipe), also comprise heat transferring plate 2.In the present embodiment, coil pipe 1 forms by heat exchanger tube continuous S-shaped is bending, and wherein the straightway of heat exchanger tube is roughly substantially parallel, also can be not parallel, other shape that this coil pipe 1 also can adopt other to be applicable in evaporative condenser.The heat exchanger tube of coil pipe 1 can adopt copper pipe, stainless steel tube or coating steel pipe etc., and the cross sectional shape of its inner flow passage can be the shapes such as circle, ellipse, spirality, corrugated or olive shape.Be understandable that as those skilled in the art, coil pipe 1 surfaces externally and internally can adopt smooth surface, preferably adopts the enhanced heat transfer surfaces being provided with internal and external screw thread, and described coil pipe 1 outer surface also can be provided with hydrophilic or corrosion-inhibiting coating simultaneously.This coil pipe 1 is provided with entrance and the outlet of runner.The material of heat transferring plate 2 can be carbon steel sheet, corrosion resistant plate, aluminium flake, copper sheet etc.
As shown in Figures 2 and 3, described heat transferring plate 2 be provided with mounting groove 21, in the present embodiment, this mounting groove 21, by realizing the mode that heat transferring plate 2 carries out punching press, also can be the straight forming when producing heat transferring plate 2; The shape of this mounting groove 21 and the form fit of coil pipe 1.Coil pipe 1 is placed in mounting groove 21, and the gap-fill between coil pipe 1 and mounting groove 21 has thermoconductive adhesive layer 3.In the present embodiment, described thermoconductive adhesive layer 3 is metallic filler layers zinc.Concrete way can be, heat transferring plate 2, coil pipe 1 are soaked in the liquid Zn of high temperature, liquid zinc is made to flow to coil pipe 1 with the gap of mounting groove 21, gap is filled up, the stickiness of liquid metal makes both cling, and when liquid metal cooled and solidified is solid-state, becomes thermoconductive adhesive layer 3, be filled between coil pipe 1 and mounting groove 21, both are fixed.Except zinc, can also select metal or its metallic combinations such as tin, aluminium, copper, they all have low, the low-cost feature of fusing point, and cost performance is high.
Further, in the present embodiment, gap between described coil pipe 1 and mounting groove 21 is less than 10 millimeters, when carrying out liquid metal and soaking, due to the stickiness of liquid metal, can capillarity be there is in liquid metals, behind the contact surface inside infiltrating into heat transferring plate 2 and coil pipe 1, to make in the gap of contact the thermoconductive adhesive layer 3 that formed evenly and thickness is thin, heat transferring plate 2 and coil pipe 1 is not only made to fuse as a whole completely, and due to the thickness of thermoconductive adhesive layer 3 thin, effectively reduce the thermal contact resistance between heat transferring plate 2 and coil pipe 1.Gap between coil pipe 1 and mounting groove 21 is less, and the capillarity of liquid metal infiltration is more obvious, and the thermoconductive adhesive layer 3 of formation can be more even, and relatively cost and difficulty of processing are larger; The gap width of 10 millimeters is that Optimum cost is selected, and the gap width of 5 millimeters is best price/performance ratio selection, is even results optimal selection within 3 millimeters.Further, during for ensureing to soak high temperature fluent metal, spacing between coil pipe 1 and heat transferring plate 2 can be enough little, some stopper slots and/or tack weld (scheming not shown) can be stamped out at heat transferring plate 2, before immersion, by stopper slot limit mounting or the welding of tack weld part, first realize pre-fixing to coil pipe 1.Also the mode of fixture can be adopted to make both first pre-fix, but operation is more complicated.
The heat of coil pipe 1 conducts to heat transferring plate 2 by thermoconductive adhesive layer 3, and heat transferring plate 2 becomes the fin of coil pipe 1, greatly increases heat exchange area, directly strengthens the heat transfer effect of coil pipe 1; Simultaneously heat transferring plate 2 has again the effect of guide cooling water, makes cooling water form solid stream of water on the surface of heat transferring plate 2, avoids that cooling water is unordered flies water, improves cooling water utilization rate.In addition, because heat transferring plate 2 is as a whole, the cooling water at the place that can avoid being coupled with coil pipe 1 is staggered flow, guarantee water distribution rate.
On the other hand, described thermoconductive adhesive layer 3 can adopt heat conduction viscose glue to replace; Only need mounting groove 21 place of heat conduction viscose glue uniform application at heat transferring plate 2, directly coil pipe 1 being laid can bond (for the heat conduction viscose glue partly needing to combinationally use in mounting groove 21 again, the heat conduction viscose glue of cooperation then also need be smeared on coil pipe 1), simple installation, technique are simple.But existing heat conduction viscose glue, such as organosilicon heat-conducting glue, epoxide resin AB glue, polyurethane guide hot glue etc., it is strong that its capacity of heat transmission is all not so good as the metal such as zinc, aluminium, and easily non-uniform phenomenon is there is in cloth glue process, Heat Insulation of Air Layer phenomenon may be there is when causing coil pipe 1 to be adhered in mounting groove 21, affect heat exchange efficiency.
In addition, the structures such as perforate, ripple, bending, guiding gutter, dovetail groove, reinforcement can also be set on heat transferring plate 2, to realize increasing water distribution effect, to prevent from flying water and strengthening the effects such as robustness.Further, the through hole (scheming not shown) of some elongate holes, circular hole or other shapes can be offered at mounting groove 21 place, when coil pipe 1 is placed in mounting groove 21 time, can some be exposed to outside mounting groove 21, can directly contact with condensed water, the direct contact surface that this kind of way can increase coil pipe and water amasss, and tapping has the effect of disturbance to strengthen copper tube heat exchange to water flow due to out-of-flatness simultaneously, but the rib weakening heat transferring plate to a certain extent turns use into.
Above-mentioned embodiment is only preferred embodiment of the present utility model; can not limit the scope of the utility model protection with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present utility model all belong to the utility model scope required for protection.
Claims (8)
1. plate pipe composite heat-exchange sheet, comprises the coil pipe processed by heat exchanger tube, it is characterized in that: also comprise heat transferring plate; Described heat transferring plate is provided with mounting groove, the shape of this mounting groove and the form fit of coil pipe; Coil pipe is placed in mounting groove, and the gap-fill between coil pipe and mounting groove has thermoconductive adhesive layer.
2. plate pipe composite heat-exchange sheet according to claim 1, is characterized in that: described thermoconductive adhesive layer is metallic filler layers.
3. plate pipe composite heat-exchange sheet according to claim 2, is characterized in that: the gap between described coil pipe and mounting groove is less than 10 millimeters.
4. plate pipe composite heat-exchange sheet according to claim 3, is characterized in that: described heat transferring plate also punching press has some stopper slots and/or tack weld.
5. plate pipe composite heat-exchange sheet according to claim 2, is characterized in that: described metallic filler layers is the one in zinc, tin, aluminium, copper.
6. plate pipe composite heat-exchange sheet according to claim 1, is characterized in that: described thermoconductive adhesive layer is heat conduction viscose glue.
7. plate pipe composite heat-exchange sheet according to claim 1, is characterized in that: described heat transferring plate be provided with in perforate, ripple, bending, guiding gutter, dovetail groove or reinforcement one or more.
8. plate pipe composite heat-exchange sheet according to claim 1, is characterized in that: described mounting groove is also provided with some through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062374.6U CN204787931U (en) | 2015-01-28 | 2015-01-28 | Compound heat exchanger fin of board pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062374.6U CN204787931U (en) | 2015-01-28 | 2015-01-28 | Compound heat exchanger fin of board pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204787931U true CN204787931U (en) | 2015-11-18 |
Family
ID=54527956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520062374.6U Withdrawn - After Issue CN204787931U (en) | 2015-01-28 | 2015-01-28 | Compound heat exchanger fin of board pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204787931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987623A (en) * | 2015-01-28 | 2016-10-05 | 广州市华德工业有限公司 | Plate-pipe composite heat-exchange fin and manufacturing method thereof |
| CN106196667A (en) * | 2016-08-30 | 2016-12-07 | 广州市华德工业有限公司 | A kind of natural cooling source unit |
-
2015
- 2015-01-28 CN CN201520062374.6U patent/CN204787931U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987623A (en) * | 2015-01-28 | 2016-10-05 | 广州市华德工业有限公司 | Plate-pipe composite heat-exchange fin and manufacturing method thereof |
| CN105987623B (en) * | 2015-01-28 | 2018-11-16 | 广州市华德工业有限公司 | Plate pipe composite heat-exchange piece and preparation method thereof |
| CN106196667A (en) * | 2016-08-30 | 2016-12-07 | 广州市华德工业有限公司 | A kind of natural cooling source unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20181116 |