CN101462131B - Method for manufacturing heat exchanger coil - Google Patents
Method for manufacturing heat exchanger coil Download PDFInfo
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- CN101462131B CN101462131B CN2008101638476A CN200810163847A CN101462131B CN 101462131 B CN101462131 B CN 101462131B CN 2008101638476 A CN2008101638476 A CN 2008101638476A CN 200810163847 A CN200810163847 A CN 200810163847A CN 101462131 B CN101462131 B CN 101462131B
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- coiler
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Abstract
The invention relates to a method for manufacturing a heat exchanger coil, in particular to a method for manufacturing a stainless steel heat exchanger coil. At present, a method which is used for manufacturing the heat exchanger coil and has the advantages of simple process and good manufactured coil quality does not exist. The method sequentially comprises straight pipe cutting, coil shaping and pressure measuring, wherein the working procedure of the coil shaping is completed by coilers with threaded hydraulic shafts, and is characterized in that the coil shaping sequentially comprises a first pass shaping working procedure and a second pass shaping working procedure which are achieved by a No.1 coiler and a No.2 coiler with a threaded hydraulic shaft respectively. The method capable of once manufacturing the shaped heat exchanger coil in a solar energy water heater has the advantages of simple working procedures, high production efficiency, high qualification rate of manufactured products, great reduction of production cost and resource conservation.
Description
Technical field
The present invention relates to a kind of manufacture method of heat exchanger coil, relate in particular to a kind of manufacture method of stainless steel heat exchanger coil pipe, the heat exchanger coil of producing by the present invention is mainly used in the solar water heater water tank, and this heat exchanger coil is mainly used to carry out exchange heat.
Background technology
The every length of heat exchanger coil of making by tuber has only about 6m at present, its production method is earlier pipe to be formed helical form on axle, and the pitch of this helical form pipe is 0, when that is to say that pipe is on axle, be in contact with one another between adjacent two dishes, the distance between dish and the dish is 0.Pipe is after typing on the axle, directly coil pipe is taken off from axle,, and use the pitch of the heat exchanger coil in solar water heater to be 50mm because the pitch of this coil pipe is 0, this will stretch to producing coil pipe, and the pitch of coil pipe is stretched to about 50mm.But because coil pipe generally all forms by the stainless steel manufacturing, when reality stretched, coil pipe was cracked easily, had brought great difficulty to production, even coil pipe adopts other material manufacturings, also can have situation chipping when stretching.And the operation that one stretching arranged in the production of coil pipe, reduced production efficiency, increased production cost, in the practical operation that in the workshop, coil pipe is stretched, three workmans need three days time, and need work 11 hours every day, the coil pipe that could to stretch 110 length as requested be 6m this shows that this procedure that stretches makes that whole operating efficiency is low.
The every length of heat exchanger coil of making has only about 6m at present, and in the solar water heater industry length of used heat exchanger coil generally more than 27m, this just makes and must will could use after the many coil pipe butt joints, and its operation is comparatively complicated, has improved production cost.And because every coil pipe self all is that helical form is coiled to form, if two coil pipes need butt joint, the spiral trend of two coil pipes is complementary, this just must cut coil pipe, and every length is the coil pipe of 6m, just must cut away about 20cm on the termination of its opening, such two coil pipes could be to connecting, and the coil pipe that cuts down just becomes waste product, thereby has caused the significant wastage of resource, and has improved production cost.
Because every length of heat exchanger coil of producing now has only about 6m, splice heat exchanger coil in the long solar water heater of 27m with the long coil pipe of these 6m, just need 4.5 to be that the coil pipe of 6m is welded with length, in practical operation, three welders worked 11 hours every day, need time of 6 days could weld heat exchanger coil in the solar water heater that 110 27m grow, the soldering opening in the heat exchanger coil in every solar water heater is 6.And the solder technology difficulty between the coil pipe is bigger, the situation of rosin joint occurs through regular meeting.This procedure of welding makes the production cost of coil pipe increase, and has reduced operating efficiency, and makes the disqualification rate of product improve, and has certain hidden danger qualitatively by the coil pipe that couples together by welding.
Be used to make spiral coil at present comparatively novel method is also arranged, be in 94100902.5 the Chinese patent as the patent No., the spiral coil manufacture craft that a kind of relay advances horizontal form is disclosed, this technology is by being advanced to straight tube in the molding fetal continuously, and the spiral coil level after the moulding sent, the production efficiency of this technology is lower, need constantly to push the helix tube of moulding, spent power is bigger, production cost is higher, and this technology is had relatively high expectations to the material of spiral coil, is not suitable for large-scale production.
In sum, also there is not a kind of technology simple at present, the measured manufacture method that is used to make heat exchanger coil of produced coil pipe matter.
Summary of the invention
The objective of the invention is to overcome above shortcomings in the prior art, and provide a kind of manufacturing process few, can once produce the manufacture method of heat exchanger coil in the solar water heater of moulding.
The present invention addresses the above problem the technical scheme that is adopted: a kind of manufacture method of heat exchanger coil, comprise straight tube cutting, coil pipe typing and pressure test successively, described straight tube cutting action is stand-by after straight tube is cut down, described coil pipe shaping process is to finish by the coiler that is threaded hydraulic axis, it is characterized in that: the typing of described coil pipe comprises one typing and two roads this two steps operation of finalizing the design successively, and this two steps operation coiler by being threaded hydraulic axis and No. two coilers respectively realizes;
In described one shaping process, earlier threaded hydraulic axis in coiler is full of hydraulic oil with hydraulic pump, the diameter of this hydraulic axis when being full of hydraulic oil is between 480-520mm, and the pitch on this hydraulic axis is between 45-55mm, end with the straight tube of well cutting is fixed on the hydraulic axis of a coiler then, again with straight tube with the speed of 0.9-1.1m/s successively on the screw thread of a coiler hydraulic axis, and make pipe typing on coiler hydraulic axis, become the helical form coil pipe, then the poppet valve on the hydraulic axis in coiler is opened and rushed down pressure, take off stand-by from the hydraulic axis of a coiler helical form coil pipe at last;
In the described two road shaping process, earlier threaded hydraulic axis in No. two coilers is full of hydraulic oil with hydraulic pump, the diameter of this hydraulic axis when being full of hydraulic oil is between 190-210mm, and the pitch on this hydraulic axis is between 45-55mm, end with helical form coil pipe stand-by in one shaping process is fixed on the hydraulic axis of No. two coilers then, again with this helical form coil pipe with the speed of 0.018-0.022m/s successively on the screw thread of No. two coiler hydraulic axis, and make above-mentioned helical form coil pipe typing on No. two coiler hydraulic axis, become the finished product coil pipe, then the poppet valve on the hydraulic axis in No. two coilers is opened and rushed down pressure, at last the finished product coil pipe is taken off from the hydraulic axis of No. two coilers.Make the present invention to produce the one-time formed heat exchanger coil that is used for solar water heater according to actual needs thus, need not to prolong the length of coil pipe by the mode that is welded to each other.
In one shaping process of the present invention, be fixed on the hydraulic axis of a coiler by the end of pressing plate with the straight tube of well cutting; In the described two road shaping process, be fixed on the hydraulic axis of No. two coilers by the end of pressing plate with the helical form coil pipe.
In one shaping process of the present invention, straight tube with the speed of 1m/s successively on the screw thread of a coiler hydraulic axis.
In the two road shaping process of the present invention, the helical form coil pipe with the speed of 0.02m/s successively on the screw thread of No. two coiler hydraulic axis.The spiral coil quality that makes the present invention produce thus is good, the product percent of pass height.
Hydraulic axis pitch in a coiler of the present invention and No. two coilers is 50mm.
The diameter of hydraulic axis is 500mm in the coiler of the present invention, and the diameter of hydraulic axis is 200mm in described No. two coilers.
In the two road shaping process of the present invention, on No. two coiler hydraulic axis, add lubricant.The feasible thus quality that better guarantees product, the qualification rate of raising product.
The present invention compared with prior art, have the following advantages and effect: be applied in heat exchanger coil in the solar water heater by what the present invention produced, be a continuous integral body, need not to prolong the length of heat exchanger coil by being welded to each other, that is to say that the present invention can make according to the required physical length of heat exchanger coil, realize one-shot forming, need not welding and stretching process.Operation of the present invention is simple, the production efficiency height, and produced product percent of pass height greatly reduces production cost, has saved resource.
The present invention is in one shaping process, straight tube with the speed of 0.9-1.1m/s successively on the screw thread of a coiler hydraulic axis, the purpose of one shaping process is to obtain the helical form coil pipe, be that two road shaping process are prepared, because employed hydraulic axis caliber is bigger in one shaping process, so with the speed of 0.9-1.1m/s with straight tube on hydraulic axis, both improved operating efficiency, the requirement that product is met.And the purpose of two road shaping process is to obtain the finished product coil pipe, so hydraulic axis caliber used in two road shaping process is less, and the helical form coil pipe is between the 0.018-0.022m/s around the speed on the hydraulic axis, this mainly is a pipe when coiling into the less coil pipe of caliber, if the excessive velocities of dish, pipe is just cracked easily, in order to ensure the quality of producing and improving product, so the helical form coil pipe is controlled between the 0.018-0.022m/s around the speed on the hydraulic axis, this speed can be good at meeting the production needs.
During the heat exchanger coil of the present invention in making solar water heater, significantly reduced workload, and energy-conserving and environment-protective, help making full use of of resource.
Description of drawings
Fig. 1 is an embodiment of the invention process flow diagram.
Fig. 2 is the structural representation that is threaded hydraulic axis, pressing plate and locating shaft in the embodiment of the invention in the used coiler.
Fig. 3 is a structural representation of making the helical form coil pipe in the embodiment of the invention with a threaded hydraulic axis on coiler.
Fig. 4 is a structural representation of making the finished product coil pipe in the embodiment of the invention with threaded No. two hydraulic axis on No. two coilers.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and by embodiment.
Embodiment:
Referring to Fig. 1-Fig. 4, the present invention comprises straight tube cutting, coil pipe typing and pressure test successively, wherein coil pipe typing comprises one typing and two roads this two steps operation of finalizing the design successively, and this two steps operation coiler by being threaded hydraulic axis and No. two coilers respectively realizes.
An employed coiler and No. two coilers that are threaded hydraulic axis all belong to the coiler that is threaded hydraulic axis among the present invention, and No. one coiler structurally is identical with No. two coilers.Coiler among the present invention comprises screwed hydraulic axis 1, hydraulic pump, pressing plate 2 and locating shaft 3, porose on its center platen 2, pressing plate 2 is through on the locating shaft 3 by the hole, make pressing plate 2 on locating shaft 3, to move, the bottom of pressing plate 2 is arc, and this arc just in time with hydraulic axis 1 on radian be complementary, hydraulic pump is connected with hydraulic axis 1 by pipe.The coiler that is threaded hydraulic axis 1 used among the present invention is structurally with existing identical or close.When the coiler that is threaded hydraulic axis 1 among the present invention is started working, elder generation's primer fluid press pump, by hydraulic pump hydraulic oil is injected in the hydraulic axis 1, along with the continuous injection of hydraulic oil, the caliber of hydraulic axis 1 constantly increases, when the caliber of hydraulic axis 1 reaches maximum, be full of hydraulic oil in the hydraulic axis 1, at this moment, hydraulic pump just stops delivery hydraulic pressure oil in hydraulic axis 1, and the pressure increase step in the hydraulic axis 1 is finished; When whole coil pipe completes among the present invention, because coil pipe is to be set on the screw thread, so the caliber of hydraulic axis 1 need be diminished, coil pipe could take off from hydraulic axis 1, so need open the poppet valve on the hydraulic axis 1, a part of hydraulic oil in the hydraulic axis 1 is turned back in the hydraulic pump, hydraulic axis that Here it is 1 rush down the pressure step, hydraulic axis 1 is by after rushing down pressure, the caliber of hydraulic axis 1 diminishes, and hydraulic axis 1 is accordingly also with regard to deliquescing, so, coil pipe just with hydraulic axis on screw thread throw off, make coil pipe to take off from hydraulic axis 1 smoothly.The operation principle of hydraulic axis 1 is a prior art, so locate no longer to describe in detail, the structure of hydraulic axis 1 is with existing identical.
The used coiler that is threaded hydraulic axis is divided into a coiler and No. two coilers among the present invention, wherein the structure of a coiler and No. two coilers all is identical, and hydraulic axis pitch is 50mm in coiler and No. two coilers, different is coiler is different with the diameter of hydraulic axis in No. two coilers, the diameter of a hydraulic axis 11 is 500mm in coiler, and the diameter of No. two hydraulic axis 12 is 200mm in No. two coilers, certainly, here the diameter of indication is the caliber of hydraulic axis when being full of hydraulic oil, the diameter of a hydraulic axis 11 can be between 480-520mm on coiler among the present invention, the diameter of No. two hydraulic axis 12 can be between 190-210mm in No. two coilers, and the pitch on the hydraulic axis can be between 45-55mm in coiler and No. two coilers.
During heat exchanger coil in making solar water heater, use automatic gas cutting machine that straight tube is cut earlier, this straight tube that is cut is a stainless steel, by obtaining the straight tube that length is 27m after the actual requirement cutting, this straight tube that cuts down is stand-by, also can use the cutting machine of other types to cut straight tube among the present invention, and can also cut straight tube according to the length of actual needs among the present invention, not necessarily straight tube being cut into length is 27m's, also can use the straight tube of other materials, but used straight tube must have the capacity of heat transmission preferably.
After the straight tube cutting action is finished, just enter shaping process one, one shaping process is to realize by a coiler that is threaded hydraulic axis, and coiler comprises a screwed hydraulic axis 11, a hydraulic pump, a pressing plate 21 and a locating shaft 31.In one shaping process, earlier in a hydraulic axis 11, be full of hydraulic oil by a hydraulic pump, make the caliber of a hydraulic axis 11 reach maximum, and will to cut down stand-by length be that straight tube one end of 27m is placed on the screw thread of hydraulic axis 11 1 ends, then a pressing plate 21 is pressed on the port of straight tube, need to press oil to hydraulic axis 11 internal-filling liquids earlier herein, make hydraulic axis 11 interior pressure arrive certain force value, hydraulic axis 11 hardening this moment, and the screw thread on this hydraulic axis 11 has also been finalized the design, and then straight tube is fixed on the hydraulic axis by a pressing plate 21.Since the bottom of a pressing plate 21 arc just in time with hydraulic axis 11 on radian be complementary, make pressing plate 21 can push down the port of straight tube, the port that prevents straight tube breaks away from the screw thread on the hydraulic axis 11 No. one, and when a pressing plate 21 was pushed down the straight tube port, No. one hydraulic axis 11 can also be rotated freely.After a pressing plate 21 is pressed on the straight tube port, start No. one coiler, this moment, a hydraulic axis 11 began rotation, and No. one hydraulic axis 11 begins to move forward, with straight tube with the speed of 1m/s successively on the screw thread of a hydraulic axis 11, until the long straight tube of 27m all around on hydraulic axis 11, when a hydraulic axis 11 when moving forward, a pressing plate 21 that is pressed on the straight tube also moves forward on a locating shaft 31 synchronously, but a pressing plate 21 is pressed in the port of straight tube on the screw thread of a hydraulic axis 11 all the time.Straight tube can be with the speed between the 0.9-1.1m/s successively on the screw thread of a hydraulic axis 11 among the present invention.
With after the speed of 1m/s is on hydraulic axis 11, straight tube just has been fixed to helical form with the whole piece straight tube, and just to become diameter be that 500mm, pitch are the helical form coil pipe 4 of 50mm to straight tube.Because helical form coil pipe 4 is to be embedded on the screw thread of a hydraulic axis 11, so the caliber of a hydraulic axis 11 need be diminished, helical form coil pipe 4 could take off from a hydraulic axis 11, so the poppet valve on hydraulic axis 11 is opened, a part of hydraulic oil in hydraulic axis 11 are turned back in hydraulic pump, to reduce the caliber of a hydraulic axis 11, make hydraulic axis 11 deliquescing, helical form coil pipe 4 just can have been taken off from a hydraulic axis 11 smoothly like this, takes off stand-by from a hydraulic axis 11 helical form coil pipe 4 at last.Helical form coil pipe 4 is made, and one shaping process just is through with.
After one shaping process finishes, just enter two road shaping process, two road shaping process are to realize by No. two coilers that are threaded hydraulic axis, and No. two coilers also comprise screwed No. two hydraulic axis 12, No. two hydraulic pumps, No. two pressing plates 22 and No. two locating shafts 32.In two road shaping process, earlier in No. two hydraulic axis 12, be full of hydraulic oil by No. two hydraulic pumps, make the caliber of No. two hydraulic axis 12 reach maximum, and the port of the stand-by helical form coil pipe 4 made in one shaping process is placed on the screw thread of No. two hydraulic axis 12 ports, then No. two pressing plates 22 are pressed on the port of stand-by helical form coil pipe 4.Same, since the bottom of No. two pressing plates 22 arc just in time with No. two hydraulic axis 12 on radian be complementary, make No. two pressing plates 22 can push down the port of this helical form coil pipe 4, the port that prevents helical form coil pipe 4 breaks away from the screw thread on the hydraulic axis 12 No. two, and when No. two pressing plates 22 were pushed down helical form coil pipe 4 ports, No. two hydraulic axis 12 can also be rotated freely.After No. two pressing plates 22 are pressed on helical form coil pipe 4 ports, start No. two coiler, this moment, No. two hydraulic axis 12 began rotation, and No. two hydraulic axis 12 begins to move forward, with helical form coil pipe 4 with the speed of 0.02m/s successively on the screw thread of No. two hydraulic axis 12, until the long helical form coil pipe 4 of 27m all around on No. two hydraulic axis 12, at helical form coil pipe 4 in the process on No. two hydraulic axis 12, on No. two hydraulic axis 12, add lubricant, with the quality of better assurance product, improve the qualification rate of product.When No. two hydraulic axis 12 when moving forward, No. two pressing plates 22 that are pressed on the helical form coil pipe 4 also move forward on No. two locating shafts 32 synchronously, but No. two pressing plates 22 are pressed in the port of helical form coil pipe 4 on the screw thread of hydraulic axis all the time.Helical form coil pipe 4 can be with the speed of 0.018-0.022m/s successively on the screw thread of No. two hydraulic axis 12 among the present invention.
With after the speed of 0.02m/s is on No. two hydraulic axis 12, helical form coil pipe 4 just is fixed to finished product coil pipe 5 with whole helical form coil pipe 4, and becoming diameter is that 200mm, pitch are the finished product coil pipe 5 of 50mm.Then the poppet valve on No. two hydraulic axis 12 is opened, a part of hydraulic oil in No. two hydraulic axis 12 are turned back in No. two hydraulic pumps,, at last finished product coil pipe 5 is taken off from No. two hydraulic axis 12 to reduce the caliber of No. two hydraulic axis 12.Finished product coil pipe 5 is made, and two road shaping process just are through with.
Finalize the design in this two steps operation in above-mentioned together typing and two roads, the step of required process is all identical, and the caliber of used hydraulic axis in two operations that different is is big or small, and speed on hydraulic axis the time is different with pipe.In one shaping process, used is a bigger hydraulic axis 11 of caliber, and straight tube is also bigger around the speed on hydraulic axis 11, can be between 0.9-1.1m/s, the purpose of one shaping process is to obtain helical form coil pipe 4, is that two road shaping process are prepared.And the purpose of two road shaping process is to obtain finished product coil pipe 5, so No. two used in two road shaping process hydraulic axis 12 calibers are less, and helical form coil pipe 4 is also less around the speed on No. two hydraulic axis 12, this speed is controlled between the 0.018-0.022m/s, this mainly is the stainless steel pipe when coiling into the less coil pipe of caliber, there is cracked possibility in the stainless steel pipe, in order to improve the quality of products, so helical form coil pipe 4 is controlled between the 0.018-0.022m/s around the speed on No. two hydraulic axis 12, and this speed also can be used to make other heat conductivility preferred metal material coil pipes.Certainly, the present invention only is provided with one typing and two road shaping process, and the present invention also can be provided with the multiple tracks shaping process according to actual needs.
After two road shaping process are finished, just represent that coil pipe this whole procedure of finalizing the design finished, just enter this operation of pressure test then, in the pressure test operation, two ends and pressure testing machine with finished product coil pipe 5 connects earlier, with pressure testing machine running water is injected in the finished product coil pipe then, thus the purpose of realization pressure test.Pressure test operation among the present invention is with of the prior art identical, so no longer describe in detail herein.
After finished product coil pipe 5 had passed through the pressure test operation, long just the manufacturing for heat exchanger coil product 27m, continuous, one-time formed, that need not to weld of pipe had been finished.The present invention can make the heat exchanger coil of different length after the same method according to different needs.The present invention need not to stretch and welding sequence, does not have coil pipe easy cracked disadvantage when stretching, and occurs rosin joint and the big predicament of welding difficulty when also not having the coil pipe welding, can be according to actual needs, and one-shot forming brings great convenience to production.
Energy-conserving and environment-protective of the present invention, operation is simple, the production efficiency height, produced product percent of pass height greatly reduces production cost, has saved resource.
In addition, need to prove, allly conceive equivalence or the simple change that described structure, feature and principle are done, be included in the protection domain of patent of the present invention according to patent of the present invention.
Claims (7)
1. the manufacture method of a heat exchanger coil, comprise straight tube cutting, coil pipe typing and pressure test successively, described straight tube cutting action is stand-by after straight tube is cut down, described coil pipe shaping process is to finish by the coiler that is threaded hydraulic axis, it is characterized in that: the typing of described coil pipe comprises one typing and two roads this two steps operation of finalizing the design successively, and this two steps operation coiler by being threaded hydraulic axis and No. two coilers respectively realizes;
In described one shaping process, earlier threaded hydraulic axis in coiler is full of hydraulic oil with hydraulic pump, the diameter of this hydraulic axis when being full of hydraulic oil is between 480-520mm, and the pitch on this hydraulic axis is between 45-55mm, end with the straight tube of well cutting is fixed on the hydraulic axis of a coiler then, again with straight tube with the speed of 0.9-1.1m/s successively on the screw thread of a coiler hydraulic axis, and make pipe typing on coiler hydraulic axis, become the helical form coil pipe, then the poppet valve on the hydraulic axis in coiler is opened and rushed down pressure, take off stand-by from the hydraulic axis of a coiler helical form coil pipe at last;
In the described two road shaping process, earlier threaded hydraulic axis in No. two coilers is full of hydraulic oil with hydraulic pump, the diameter of this hydraulic axis when being full of hydraulic oil is between 190-210mm, and the pitch on this hydraulic axis is between 45-55mm, end with helical form coil pipe stand-by in one shaping process is fixed on the hydraulic axis of No. two coilers then, again with this helical form coil pipe with the speed of 0.018-0.022m/s successively on the screw thread of No. two coiler hydraulic axis, and make above-mentioned helical form coil pipe typing on No. two coiler hydraulic axis, become the finished product coil pipe, then the poppet valve on the hydraulic axis in No. two coilers is opened and rushed down pressure, at last the finished product coil pipe is taken off from the hydraulic axis of No. two coilers.
2. the manufacture method of heat exchanger coil according to claim 1 is characterized in that: in described one shaping process, be fixed on the hydraulic axis of a coiler by the end of pressing plate with the straight tube of well cutting; In the described two road shaping process, be fixed on the hydraulic axis of No. two coilers by the end of pressing plate with the helical form coil pipe.
3. the manufacture method of heat exchanger coil according to claim 1 and 2 is characterized in that: in described one shaping process, straight tube with the speed of 1m/s successively on the screw thread of a coiler hydraulic axis.
4. the manufacture method of heat exchanger coil according to claim 1 and 2 is characterized in that: in the described two road shaping process, the helical form coil pipe with the speed of 0.02m/s successively on the screw thread of No. two coiler hydraulic axis.
5. the manufacture method of heat exchanger coil according to claim 1 and 2 is characterized in that: the hydraulic axis pitch in a described coiler and No. two coilers is 50mm.
6. the manufacture method of heat exchanger coil according to claim 1 and 2, it is characterized in that: the diameter of hydraulic axis when being full of hydraulic oil is 500mm in the described coiler, and the diameter of hydraulic axis when being full of hydraulic oil is 200mm in described No. two coilers.
7. the manufacture method of heat exchanger coil according to claim 1 and 2 is characterized in that: in the described two road shaping process, add lubricant on No. two coiler hydraulic axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101638476A CN101462131B (en) | 2008-12-25 | 2008-12-25 | Method for manufacturing heat exchanger coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101638476A CN101462131B (en) | 2008-12-25 | 2008-12-25 | Method for manufacturing heat exchanger coil |
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| Publication Number | Publication Date |
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| CN101462131A CN101462131A (en) | 2009-06-24 |
| CN101462131B true CN101462131B (en) | 2010-09-29 |
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| CN2008101638476A Expired - Fee Related CN101462131B (en) | 2008-12-25 | 2008-12-25 | Method for manufacturing heat exchanger coil |
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| CN (1) | CN101462131B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658341A (en) * | 2012-04-28 | 2012-09-12 | 江苏贝德莱特太阳能科技有限公司 | Spiral coil pipe pull-open tool |
| CN105703581B (en) * | 2016-02-24 | 2020-02-07 | 哈尔滨电气动力装备有限公司 | Large-scale wet winding motor stator base excircle double-coil pipe coiling process |
| CN106238609B (en) * | 2016-08-31 | 2018-08-03 | 广东诺科冷暖设备有限公司 | A kind of manufacturing method of flat spiral coil pipe |
| CN108097743A (en) * | 2017-12-31 | 2018-06-01 | 玉田县建华机械制造有限责任公司 | A kind of peeling derusting device |
| CN112779528A (en) * | 2020-12-02 | 2021-05-11 | 山东锦恒环保设备有限公司 | Processing and manufacturing process of vacuum superconducting tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3893324A (en) * | 1973-08-13 | 1975-07-08 | Emerson Electric Co | Spiral winding apparatus |
| US5069382A (en) * | 1990-11-16 | 1991-12-03 | Solar Turbines Incorporated | Apparatus and method for producing a pressure vessel from metal tubing |
| CN2090743U (en) * | 1990-06-06 | 1991-12-18 | 赵凌 | Cold-bending shaper for helix tube |
| CN1105915A (en) * | 1994-01-27 | 1995-08-02 | 杨大水 | Manufacturing method and equipment of spirally coiled pipe |
| CN2499146Y (en) * | 2001-08-21 | 2002-07-10 | 上海交通大学 | Equipment special for forming fixed pitch heat exchanger spiral coil pipe |
-
2008
- 2008-12-25 CN CN2008101638476A patent/CN101462131B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3893324A (en) * | 1973-08-13 | 1975-07-08 | Emerson Electric Co | Spiral winding apparatus |
| CN2090743U (en) * | 1990-06-06 | 1991-12-18 | 赵凌 | Cold-bending shaper for helix tube |
| US5069382A (en) * | 1990-11-16 | 1991-12-03 | Solar Turbines Incorporated | Apparatus and method for producing a pressure vessel from metal tubing |
| CN1105915A (en) * | 1994-01-27 | 1995-08-02 | 杨大水 | Manufacturing method and equipment of spirally coiled pipe |
| CN2499146Y (en) * | 2001-08-21 | 2002-07-10 | 上海交通大学 | Equipment special for forming fixed pitch heat exchanger spiral coil pipe |
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| CN101462131A (en) | 2009-06-24 |
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