CN201892462U - High-efficiency heat exchange coil production line - Google Patents
High-efficiency heat exchange coil production line Download PDFInfo
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- CN201892462U CN201892462U CN2010206155821U CN201020615582U CN201892462U CN 201892462 U CN201892462 U CN 201892462U CN 2010206155821 U CN2010206155821 U CN 2010206155821U CN 201020615582 U CN201020615582 U CN 201020615582U CN 201892462 U CN201892462 U CN 201892462U
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- embossing
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Abstract
The utility model belongs to the field of exchange equipment. A high-efficiency heat exchange coil production line comprises a coil production facility, wherein the coil production facility comprises an uncoiler, an embosser, a horizontal spiral accumulator, a guide rack, a shaper, a welder, a cooler, a sizer and a cutter, which are sequentially and dynamically connected to form the coil production line. Milled groove structures with different specifications can be formed on the inner and the outer surfaces of steel tubes, milled grooves with different structures can be chosen according to the heat exchange characteristics of different working media, and thereby the convection, condensation or boiling heat transfer coefficient of the heat exchange working medium in a coil can be increased.
Description
Technical field
The utility model belongs to the heat-exchange apparatus field, particularly the machining production line of heat exchange coil.
Background technology
Heat exchanger all is widely used at industrial circles such as oil, chemical industry, electric power and metallurgical manufacturings, especially with the principal mode of pipe type heat transfer equipment as the partition heat transfer process, the efficient heat-exchanging pipe of introducing in the document will have nearly hundred kinds, but intensify heat transfer pipe that can extensive use is less relatively.Especially to the reinforcement of intraductal heat exchange process, not only to consider the raising of heat transfer coefficient, but also will consider the increase of resistance coefficient.To the heat exchanger tube of copper material,, can be processed into enhanced tubes such as various interior little wings, groove pipe, screw thread or node because its quality is softer; Carbon steel and stainless steel tube are mainly with abnormally-structured heat exchange efficiencies that improves such as screwed pipe, bellows tubes.Improve the heat convection efficient in the pipe, adopt usually and reduce boundary layer thickness, improve the turbulent extent under the low flow velocity, change original speed and temperature field distribution situation; And for cold-producing medium evaporation or condensation process, organic vapor in the petrochemical production process or mixed vapour condensation process, micro-rib pipe or fluted tube can improve the coefficient of heat transfer 30～80% in adopting under identical equivalent aera condition.Its strengthening mechanism mainly contains following several respects, and (1) has increased heat exchange area; (2) to the disturbance of flow boundary layer, reduce boundary layer thickness, change the convection heat transfer' heat-transfer by convection thermograde; (3) under surface tension effects, condensate liquid accumulates in the groove, and average condensate film reduced thickness reduces the liquid film thermal conduction resistance; (4) evaporation gasification forms the nucleate boiling temperature difference and reduces, and increases driving force of heat transfer.Because little rib structure mainly acts on the laminar sublayer in boundary layer, and is less relatively to the increase of flow process resistance, so practical application is more.But limited by processing technology, enhanced tube material copper pipe and the aluminum pipes of being confined to more.
Summary of the invention
The purpose of this utility model be overcome stainless steel and carbon steel pipe can't adopt in the not enough problem of micro-rib pipe or fluted tube, a kind of high efficient heat exchanging coil pipe production line is provided, simple in structure, easy operating, tubulation is produced groove simultaneously, for realizing that new production technology provides needs, the product service behaviour significantly improves.
The technical scheme that the utility model is adopted for achieving the above object is: high efficient heat exchanging coil pipe production line, comprise the tubulation production equipment, wherein the tubulation production equipment comprises uncoiler, graining device, horizontal spiral loop storing machine, draws bin, make-up machine, welder, cooling device, diameter-setting equipment and shearing device, and the said equipment dynamically connects and composes the tubulation production line successively.
Described high efficient heat exchanging coil pipe production line is continuous tubulation production line, also comprise the bend pipe production equipment, the bend pipe production equipment is directly imported in the discharging of tubulation production equipment, the bend pipe production equipment comprises blanking slideway, bending platform, CNC tube bending machine and length measuring device, dynamically connects and composes the bend pipe production line successively.
Described graining device adopts electricity to drive the embossing roller, and it is adjustable that the embossing roller is applied to the pressure and the distance between the embossing roller of steel strip surface, and embossing roll row cloth is parallel or cross-like.
The steel band tipping arrangement of adjusting embossing face direction is installed between described graining device and the horizontal spiral loop storing machine.
The utility model Design of Production Line is reasonable, effectively realize the tubulation technological requirement of embossing simultaneously, adding part embossing process equipment in the tubulation line continuously, realized a kind of process at carbon steel or stainless steel pipe inner surface or outer surface system groove, do not influence every performance of tube-making process and product, but but effectively overcome the deficiency that carbon steel and stainless steel tube can't online system grooves, the system architecture compactness has characteristics such as easy to process, that operation is efficient, production cost is low.The interior embossing fluted tube of being produced can be widely used in the technologies such as evaporation, condensation or heat convection, heat transfer characteristic according to different working medium, select the embossing of different structure, improve convection current, condensation or the boiling heat transfer coefficient of heat-exchange working medium in pipe, the product heat exchange efficiency significantly improves.
Description of drawings
Fig. 1 is the utility model production line structural representation.
Fig. 2 is the continuous tubulation production line of a utility model structural representation.
Fig. 3 is the utility model steel band structural representation behind embossing, reserves the surface of 1～2mm width shown in the figure at weld edge, and remainder can be according to the parallel groove structure of the rolling different size of heat exchange demand.
Fig. 4 is an embossing tubular construction schematic diagram in the utility model.
The specific embodiment
Below in conjunction with specific embodiment the utility model is described in further detail, but the utility model is not limited to specific embodiment.
Embodiment 1
High efficient heat exchanging coil pipe production line as shown in Figure 1, comprise the tubulation production equipment, wherein the tubulation production equipment comprises uncoiler 1, graining device 18, shears butt welding equipment 2, horizontal spiral loop storing machine 4, draws bin 3, make-up machine 5, welder 6, sander 7, cooling device 8, diameter-setting equipment 9, eddy current inspection 10, alignment unit 11 and shearing device 12, and the said equipment dynamically connects and composes the tubulation production line successively.
Adopt above-mentioned production line, steel band to produce tubulation for the raw material on-line continuous, carry out on-line continuous embossing after the steel band uncoiling earlier, make steel band before the rounding that curls, form surface with groove, steel band behind the roll forming again leveling to the requirement of tubulation flatness, by entering the moulding of moulding prebending machine behind the kink storing, onlinely after the moulding axially weld, online cooling back polishing is removed burr and is made shell, cooling after sizing, scale make single in the embossing stainless steel tube.
Embodiment 2
High efficient heat exchanging coil pipe production line as shown in Figure 2 is continuous tubulation production line, comprise tubulation production equipment and bend pipe production equipment, the tubulation production equipment is identical with embodiment 1, the discharging of tubulation production equipment is directly imported the bend pipe production equipment through transmission equipment 13, the bend pipe production equipment comprises blanking slideway 14, bending platform 15, CNC tube bending machine 16 and length measuring device 17, dynamically connects and composes the bend pipe production line successively.
Adopt above-mentioned production line steel band to be that the raw material on-line continuous produces tubulation, comprise tubulation, bend pipe and cut for three steps, continuous on-line machining is adopted in tubulation, bend pipe and cutting, wherein
First step tubulation: material loading after the uncoiling of raw material steel band, carry out on-line continuous embossing behind the material loading earlier, make steel band 19 before the rounding that curls, form surface,, cross and enter the moulding of moulding prebending machine after the tubulation flatness requires via carrying out leveling behind the kink storing with groove 20, onlinely after the moulding axially weld, after the online cooling, carry out online polishing at weld and remove burr and make shell, cooling is after sizing, scale, align again the finished product stainless steel tube, standby behind the fixed ruler cutting;
Wherein regulate the embossing roller during embossing and be applied to the pressure of steel strip surface and the distance between the embossing roller, make steel strip surface form V-type or trapezoidal groove through the continuous rolling mould, groove 20 can parallel or different directions arranged crosswise, make that the degree of depth of groove 20 is 0.2～0.5mm, width is 1～2mm, the control spacing between the groove be 2～10mm(as shown in Figure 3).
The second step bend pipe: the steel pipe feeding behind the tubulation is to the bending machine feeding mouth, steel pipe is sent to first automatically by bending machine and treats pipe bent position, carry out accurate sizing, bending machine carries out bend pipe by imposing a condition, and is sent to second automatically and treats pipe bent position, turns over pipe and accurate sizing again, bending machine carries out bend pipe by imposing a condition, and transmit bend pipe to the next one automatically and treat that pipe bent position carries out bend pipe, finish until bend pipe, be the continuous bend pipe of monolithic;
The cutting of the 3rd step: the continuous bend pipe of the monolithic that bend pipe finishes, through excision tube head clout behind the scale, 15 ~ 133 meters no longitudinal reams of monolithic coil pipe single tube length that make, interior embossing trapezoidal groove size: width is 1mm, and the degree of depth is 0.3mm, and groove is spaced apart 3mm.
The high efficient heat exchanging coil pipe that makes can be used for evaporative condenser and fluid cooler, its evaporative condenser is used for the refrigeration system of freon refrigeration working medium, working medium is the bottom horizontal flow sheet direction in the coil pipe, condensate liquid is under surface tension effects, a part is along flowing to the heat exchanger tube bottom in the groove, since attenuate the condensate film thickness of slot wedge, reduced the average thermal resistance of condensate film, improved the in-tube condensation heat transfer coefficient.
Embodiment 3: adopt embodiment 2 production lines, the steel band tipping arrangement of adjusting embossing face direction is installed between graining device and horizontal spiral loop storing machine, steel band upset behind the embossing, through the welding of curling, making the high efficient heat exchanging coil pipe is outer embossing carbon steel pipe, V-arrangement embossing groove 20, degree of depth 0.2mm, groove is 5mm at interval, and groove is for being arranged in parallel, and slanted angle is 15 °.
The high efficient heat exchanging coil pipe that makes is used for flooded evaporator, and the refrigeration system of freon refrigeration working medium, trench portions can increase heat exchange surface working medium gasification core, reduces the gasification temperature difference of liquid film, has improved the outer boiling heat transfer coefficient of pipe.
Embodiment 4: adopt the production line of embodiment 2, making the high efficient heat exchanging coil pipe is interior embossing stainless steel tube (as shown in Figure 4), the specification of embossing groove: wide is 0.8mm, and gash depth is 0.3mm, and groove pitch is 2mm.
The high efficient heat exchanging coil pipe that makes can be used for evaporative condenser and fluid cooler, its evaporative condenser contains the methanol vapor condenser system of fixed gas, condensate film flows to the horizontal tube bottom along groove, reduced by the main cryosurface thickness of liquid film of flow velocity shearing force effect inner surface, and because coarse groove plays the flow-disturbing effect to the gaseous mixture laminar sublayer, quickened the convective mass transfer process of methanol gas in the boundary layer, the caloic transmission of whole system has been had obvious invigoration effect.
Claims (4)
1. high efficient heat exchanging coil pipe production line, comprise the tubulation production equipment, it is characterized in that: wherein the tubulation production equipment comprises uncoiler, graining device, horizontal spiral loop storing machine, draws bin, make-up machine, welder, cooling device, diameter-setting equipment and shearing device, and the said equipment dynamically connects and composes the tubulation production line successively.
2. high efficient heat exchanging coil pipe production line according to claim 1, it is characterized in that: it is continuous tubulation production line, also comprise the bend pipe production equipment, the bend pipe production equipment is directly imported in the discharging of tubulation production equipment, the bend pipe production equipment comprises blanking slideway, bending platform, CNC tube bending machine and length measuring device, dynamically connects and composes the bend pipe production line successively.
3. high efficient heat exchanging coil pipe production line according to claim 1 and 2 is characterized in that: graining device adopts electricity to drive the embossing roller, and it is adjustable that the embossing roller is applied to the pressure and the distance between the embossing roller of steel strip surface, and embossing roll row cloth is parallel or cross-like.
4. high efficient heat exchanging coil pipe production line according to claim 1 and 2, it is characterized in that: the steel band tipping arrangement of adjusting embossing face direction is installed between graining device and the horizontal spiral loop storing machine, and steel band dynamically connects graining device, steel band tipping arrangement and horizontal spiral loop storing machine successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206155821U CN201892462U (en) | 2010-11-19 | 2010-11-19 | High-efficiency heat exchange coil production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206155821U CN201892462U (en) | 2010-11-19 | 2010-11-19 | High-efficiency heat exchange coil production line |
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| CN201892462U true CN201892462U (en) | 2011-07-06 |
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| CN2010206155821U Expired - Lifetime CN201892462U (en) | 2010-11-19 | 2010-11-19 | High-efficiency heat exchange coil production line |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059530A (en) * | 2010-11-19 | 2011-05-18 | Bac大连有限公司 | Method for efficiently manufacturing heat exchange pipes, and production line |
| CN102837184A (en) * | 2011-08-11 | 2012-12-26 | 南通天华和睿科技创业有限公司 | One-step molding device of large-caliber flat tube |
| CN103522028A (en) * | 2013-09-26 | 2014-01-22 | 青岛盛嘉信息科技有限公司 | Technology for machining copper radiating tube of auto radiator |
| CN104880112A (en) * | 2015-04-16 | 2015-09-02 | 无锡锡能锅炉有限公司 | Few-end spiral coil and method for assembling large multi-end spiral coil by few-end spiral coils |
| CN106269983A (en) * | 2016-08-30 | 2017-01-04 | 广东昌华海利科技有限公司 | A kind of rustless steel tubulation production line |
| CN109514267A (en) * | 2018-10-10 | 2019-03-26 | 钢控股集团有限公司 | Stainless steel tube and its processing unit (plant) and processing method |
-
2010
- 2010-11-19 CN CN2010206155821U patent/CN201892462U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059530A (en) * | 2010-11-19 | 2011-05-18 | Bac大连有限公司 | Method for efficiently manufacturing heat exchange pipes, and production line |
| CN102837184A (en) * | 2011-08-11 | 2012-12-26 | 南通天华和睿科技创业有限公司 | One-step molding device of large-caliber flat tube |
| CN103522028A (en) * | 2013-09-26 | 2014-01-22 | 青岛盛嘉信息科技有限公司 | Technology for machining copper radiating tube of auto radiator |
| CN104880112A (en) * | 2015-04-16 | 2015-09-02 | 无锡锡能锅炉有限公司 | Few-end spiral coil and method for assembling large multi-end spiral coil by few-end spiral coils |
| CN106269983A (en) * | 2016-08-30 | 2017-01-04 | 广东昌华海利科技有限公司 | A kind of rustless steel tubulation production line |
| CN109514267A (en) * | 2018-10-10 | 2019-03-26 | 钢控股集团有限公司 | Stainless steel tube and its processing unit (plant) and processing method |
| CN109514267B (en) * | 2018-10-10 | 2019-11-08 | 钢一控股集团有限公司 | Stainless steel tube and its processing unit (plant) and processing method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20110706 |