CN1161892A - Method for mfg. of ventilating heat-exchanging component - Google Patents
Method for mfg. of ventilating heat-exchanging component Download PDFInfo
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- CN1161892A CN1161892A CN 97100252 CN97100252A CN1161892A CN 1161892 A CN1161892 A CN 1161892A CN 97100252 CN97100252 CN 97100252 CN 97100252 A CN97100252 A CN 97100252A CN 1161892 A CN1161892 A CN 1161892A
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Abstract
The present invention relates to a method for manufacturing aeration heat-exchange element, which includes the following steps: compactly filling mould with filling particles which are high-temp. resistant and solved in water; pressing molten metal in the mould and injecting the molten metal into gaps between filled particles; after the molten metal is hardened, using water to dissolve and flush out the filled particles, then forming alternative and continuous through channels by means of gaps to increase contacted surface area between conductive media so as to attain the goal of raising heat-exchange efficiency.
Description
A kind of manufacture method of aeration heat exchange elements belongs to general heat exchange class.
Existing heat exchange elements manufacture method mostly is metal and squeezes type, sintering, casting or fin coil pipe structure, wherein the crowded type of metal, sintering and casting are with motlten metal and inject mould, generation one is the shape heat exchange elements fixedly, for strengthening the surface area that contacts with transmitting medium, how to be provided with plural groove on the heat exchange elements surface, to increase its surface area, because groove only is distributed in the heat exchange elements surface, increasable contact area is limited, and groove distributes complicated more, and it is also high more to produce difficult more cost; Fin coil pipe structure is the pipeline that Cooling and Heat Source flows, all sides are provided with plural fin shape exchange component, though heat exchange effect is better, but tie with linear welding bead weldering between each fin and pipeline, hot conducting pathway stands quite big restriction, complex structure makes whole processing difficulties, and particularly fin weldering knot personnel want long-term cultivation, the equipment of freezing is accurate utensil, manufacturing cost is also higher, generally heat exchange is required not harsh, need not this structure, and this element is suitable on the form restricted, this pipeline body directly exposes, vulnerable to pollution or stained, and reduce service life.
The manufacture method that the purpose of this invention is to provide a kind of aeration heat exchange elements, before the element moulding, in mould, tamp high temperature resistant and water-soluble particle, stand-by high pressure is pressed into mould with motlten metal, after the cooled and solidified, particle filled composite is removed in the water dissolving, the particle space forms continuous hole at the metal forming body, with increase with transmitting medium (as air, water etc.) contact surface is long-pending, promote the function of heat exchange, for adapting to different occasion needs, the size of selecting particle, arranging density changes, as metal forming body amount of metal and the long-pending foundation that changes of transmitting medium contact surface, control heat exchange amount.In addition, after metallic solution solidifies, form a tight tactility thermosphere at retaining space, the heat exchange layers that cooperates all the other that the gap is arranged becomes the heat exchange elements of hold concurrently pedestal or framework.
Purpose of the present invention can realize by following measure: the step of sold stowing filling particle be with closely knit filling in die casting can the forming metal of anti-the desire dissolving high temperature and water-soluble filling particle; It is that the motlten metal high pressure is injected mould that high pressure injects the motlten metal step, make molten metal infiltration be filled in filling particle week side clearance after, make the metal cooling forming; The water-soluble flushing filling particle step of separating is to separate towards Xian the metal forming body and function is water-soluble, water-soluble filling particle dissolving is flowed out remove, and makes in the body of metal forming and forms staggered and continuous through hole, to increase the surface area that contacts with heat-conduction medium.The also available following measures of purpose of the present invention realize that the filling particle is approximate granular size after screening, so that keep stable circulation of air; Can borrow change filling particle granular size and arranging density to reach the effect of change element weight and heat exchanger effectiveness; In the step of particle filled composite, the filling particle is kept casting molten metal under the state that do not fill up of the suitable degree of depth in mould, make the die part of not filling up form solid metal base portion fully; Also can in mould, be furnished with pipeline in advance, clog particle then, make heat exchange elements with internal duct.
Superiority of the present invention is: the particle space that water-soluble Xie Chong is left over except that the filling particle makes and forms staggered continuous hole in the metal forming body, long-pending to increase with the contact surface of transmitting medium, increase the heat exchange effect, with the size and the arranging density that change the filling particle, variable duct size reaches the purpose that changes the different heat exchanger effectiveness of heat exchange elements with density; Can improve than existing coil pipe fin type heat exchanger effectiveness producing the comprehensive engagement conduction around the pipeline.
The explanation of accompanying drawing drawing:
Fig. 1 is a manufacturing flow chart of the present invention
Fig. 2 is a feasible enforcement processing operation schematic diagram of the present invention.Wherein:
2A is the situation of filling particle in mould
2B is the situation of pressurization sold stowing particle
2C is the state of filling molten metal bath to each particle gap
2D is the situation of the demoulding behind the cooling curing
2E makes body for solidifying, and water dashes except that the structural representation behind the water soluble particle
A kind of heat exchange elements schematic perspective view of Fig. 3 for making with the present invention
Fig. 4 is another embodiment of the present invention schematic diagram
Below the contrast accompanying drawing is described in detail the present invention:
(Fig. 1) elder generation concluding before the present invention produces through " whether be used to has the conduit type heat-exchange system " 8, judge that it is with general heat-exchange system or with coiling conduit system, if the catheter fever exchange system is arranged then through one " laying conduit ", 9 steps, if non-coiling conduit system or this " laying conduit " finish, just enter next step " closely knit filling filling particle 3 in the mould 2 " 10, (Fig. 2, Fig. 3, Fig. 4) this filling particle 10 is for high temperature resistant (can bear the melt temperature of institute's die-cast metal at least) and be that water soluble particle is (as salt, borax, sodium sulphate etc.), and can be after screening and the particle of similar big small size, when filling filling particle is in mould, according to the requirement of using, its filling operation can be with expiring the form that does not clog in the space in filling and the vacant part mould; And then with " motlten metal 4 high pressure pourings 5 are in mould 2 " 11, utilize high pressure that motlten metal 4 infiltrations are filled in the space of 3 on each filling particle, again after " cooling " 12 solidified motlten metal 4, with " washing dissolving filling particle 3 " 13 filling particle 3 water-soluble backs being got rid of runs off, make metal 4 formed bodys form an integral body, appearance and inner evenly the distribution have the heat exchange elements 6 of the continuous through hole 1 that interlocks, after " drying " 14, judge " whether needing secondary operations " 15 again, if desired, can make " secondary operations " 16, as if not needing, then finish to process is finished product; The made heat exchange elements form of form in space in the above-mentioned filling particle underfill unitary mould just can partly form the metal base 7 (Fig. 4) that does not have the duct entirely, the feasible embodiment of another kind of form that Here it is at filling particle not.The present invention can also change the size of filling particle and the mode of arranging density, changes the size and the density in each duct effectively, reaches the purpose that changes the different heat exchanger effectiveness of heat exchange elements.The outer heat exchange elements of the made pipeline of the present invention can be to producing comprehensive contact conduction around the pipeline, than the heat exchanger effectiveness of traditional coil pipe fin type more obvious raising is arranged; That the present invention makes is simple and easy, heat exchanger effectiveness good, than existing any heat exchange elements low cost of manufacture.Also can control the different heat exchanger effectiveness of element according to different needs.
Claims (5)
1, a kind of manufacture method of aeration heat exchange elements is characterized in that: comprise closely knit filling filling particle step, will be in die casting closely knit filling can the forming metal of anti-the desire dissolving high temperature and water-soluble filling particle; High pressure injects the motlten metal step, is about to the motlten metal high pressure and injects mould, and molten metal infiltration is clogged behind all side clearances of filling particle, makes the metal cooling forming; The water-soluble flushing filling particle step of separating is about to that the metal forming body and function is water-soluble separates flushing and water-soluble filling particle dissolving is flowed out remove, and makes in the body of metal forming and forms staggered and continuous through hole, to increase the surface area that contacts with heat-conduction medium.
2, the manufacture method of aeration heat exchange elements according to claim 1 is characterized in that: the filling particle is approximate granular size after screening, so that keep stable circulation of air.
3, the manufacture method of aeration heat exchange elements according to claim 1 is characterized in that: can borrow to change filling particle granular size and arranging density, reach the effect of change element weight and heat exchanger effectiveness.
4, the manufacture method of aeration heat exchange elements according to claim 1, it is characterized in that: in the step of particle filled composite, the filling particle is kept casting molten metal under the state that do not fill up of the suitable degree of depth in mould, make the die part of not filling up form solid metal base portion fully.
5, the manufacture method of aeration heat exchange elements according to claim 1 is characterized in that: be furnished with pipeline in advance in mould, clog particle then, make the heat exchange elements with internal duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97100252A CN1080610C (en) | 1997-01-14 | 1997-01-14 | Method for mfg. of ventilating heat-exchanging component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97100252A CN1080610C (en) | 1997-01-14 | 1997-01-14 | Method for mfg. of ventilating heat-exchanging component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1161892A true CN1161892A (en) | 1997-10-15 |
| CN1080610C CN1080610C (en) | 2002-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97100252A Expired - Fee Related CN1080610C (en) | 1997-01-14 | 1997-01-14 | Method for mfg. of ventilating heat-exchanging component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1080610C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110678248A (en) * | 2017-03-24 | 2020-01-10 | 马西莫·维琴蒂尼 | Apparatus and method for producing water |
| CN112062087A (en) * | 2019-09-17 | 2020-12-11 | 河北氢联新能源科技有限公司 | Reactor and manufacturing method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1006284B (en) * | 1987-02-28 | 1990-01-03 | 航空工业部第六○七研究所 | Technique of water-soluble sintering core for aluminum alloy casting |
| CN1004055B (en) * | 1987-03-17 | 1989-05-03 | 哈尔滨工业大学 | Water soluble core for cast-steel piece |
| CN1040851C (en) * | 1992-12-18 | 1998-11-25 | 胡小弟 | Porous ceramic shaping method |
| CN1105303A (en) * | 1994-01-15 | 1995-07-19 | 曲绵坚 | Production of hard alloy parts with complex internal cavity using soluble core |
-
1997
- 1997-01-14 CN CN97100252A patent/CN1080610C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110678248A (en) * | 2017-03-24 | 2020-01-10 | 马西莫·维琴蒂尼 | Apparatus and method for producing water |
| CN110678248B (en) * | 2017-03-24 | 2022-05-13 | 荣达高科技有限公司 | Apparatus and method for producing water |
| CN112062087A (en) * | 2019-09-17 | 2020-12-11 | 河北氢联新能源科技有限公司 | Reactor and manufacturing method thereof |
| CN112062087B (en) * | 2019-09-17 | 2021-09-03 | 河北氢联新能源科技有限公司 | Reactor and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1080610C (en) | 2002-03-13 |
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