CN205279802U - Strenghthened type spiral pipe high -efficiency heat exchanger - Google Patents

Strenghthened type spiral pipe high -efficiency heat exchanger Download PDF

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Publication number
CN205279802U
CN205279802U CN201521054724.0U CN201521054724U CN205279802U CN 205279802 U CN205279802 U CN 205279802U CN 201521054724 U CN201521054724 U CN 201521054724U CN 205279802 U CN205279802 U CN 205279802U
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heat exchanger
tube
outer tube
spiral
pipe
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CN201521054724.0U
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金子洋
蒋志武
方真健
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Zhejiang Intech Technology Co., Ltd
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Extek Energy Equipment Zhejiang Ltd
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Abstract

The utility model relates to a strenghthened type spiral pipe high -efficiency heat exchanger. It includes that outer tube and cover locate the inside inner tube of outer tube, and the inner tube includes both ends and set up the multi -screw section body between both ends, and the inner tube both ends are as the first fluid access & exit, and the outer tube both ends are as the second fluid access & exit, the inside first fluid passageway that forms of inner tube, and second fluid passageway for having many the wavy unsmooth alternate helical coiled passage constitutions that encircle between outer tube and inner tube, the spiral orbit is pressed evenly around the first fluid passageway to the second fluid passageway. The utility model discloses a be processed into the wavy unsmooth alternate bar curved surface that encircles extends formation according to same spiral orbit spiral structure with the multi -screw section body of inner tube to the outer wall or the inner wall of multi -screw section body have the fin structure, have improved heat transfer efficiency, make the high -efficient coefficient of heat transfer of multi -screw body can stabilize with continuous, thereby have effectively just increased the heat transfer area of inner tube surface evidently, have improved the heat transfer ability of heat exchanger effectively.

Description

A kind of reinforced spiral-tube high efficient heat exchanger
Technical field
This utility model relates to a kind of heat-exchange device, particularly relates to the reinforced spiral-tube high efficient heat exchanger of one of water source/source, ground, Teat pump boiler.
Background technology
A kind of reinforced spiral-tube high efficient heat exchanger has excellent heat exchange property, is the wide variety of common apparatus in field such as refrigeration air-conditioner, chemical industry, power. The double pipe heat exchanger adopted in the market, simple in construction, easy to process, but unit are heat exchange material consumption quantity is big, and manufacturing cost is higher, and heat exchange is insufficient, inefficient, therefore, effectively reduce unit are material consumption quantity, improve heat exchange area and efficiency, become a key technology of heat exchanger.
It addition, heat exchanger is also the critical piece affecting air conditioning system efficiency. Improve efficiency of heat exchanger, will can significantly improve the energy efficiency of system. Therefore from energy-conservation angle, in order to reduce the volume of heat exchanger further, alleviate weight and metal consumption, reduce the power that heat exchanger consumes, and enable heat exchanger to work under relatively Low Temperature Difference, it is necessary to strengthen the heat transfer efficiency of heat exchanger by various ways.
Utility model content
Therefore, it is bad that the technical problems to be solved in the utility model is in that to overcome in prior art the heat transfer effect of heat exchanger, complex forming technology and the narrower technical problem of range of application, thus providing a kind of reinforced spiral-tube high efficient heat exchanger.
The technical scheme that this utility model solves the problems referred to above is as follows:
A kind of reinforced spiral-tube high efficient heat exchanger, including outer tube and the interior pipe being sheathed on outer tube, interior pipe includes both ends and the multi-head spiral section body being arranged between both ends, interior pipe two ends are as first fluid gateway, outer tube two ends are as second fluid gateway, interior pipe be internally formed first fluid passage, for having the second fluid passage of a plurality of wavy concavo-convex alternate helical duct composition surrounded between outer tube and interior pipe, second fluid passage presses helical trajectory uniform ring around first fluid passage.
As preferably, said inner tube is arranged with outer coaxial tube; Interior pipe also includes being positioned at the changeover portion one at multi-head spiral section body two ends, changeover portion two, and connects changeover portion one, the reducing pipeline section one of changeover portion two and reducing pipeline section two respectively; Reducing pipeline section one is first fluid outlet, and reducing pipeline section two is first fluid entrance.
As preferably, the two ends of described outer tube are provided with mouthpiece one and mouthpiece two; Mouthpiece one is second fluid entrance, and mouthpiece two is second fluid outlet.
As preferably, the external diameter of described multi-head spiral section body is less than the internal diameter of outer tube, and the gap between multi-head spiral section body and outer tube is 0.1 ~ 1mm.
As preferably, described multi-head spiral section body adopts 3 ~ 8 helical ducts.
As preferably, the inwall of described multi-head spiral section body and/or outer wall having fin structure, the pattern of described fin structure is the matrix of fin and multi-head spiral section body is an entirety, and described fin comprises in-line arrangement, staggered or hybrid-type ring fin.
As preferably, described heat exchanger also comprises the transition connecting pipe one and transition connecting pipe two that are respectively sleeved at outer tube two ends, and the inner side of transition connecting pipe one and transition connecting pipe two and the outside of outer tube closely cooperate; Described transition connecting pipe one is provided with described mouthpiece one, and described transition connecting pipe two is provided with described mouthpiece two.
As preferably, described heat exchanger is spiral fashion population structure, adopts spring, vortex, double-screw type, racetrack, snakelike formula or multi-joint fabricated structure.
As preferably, described heat exchanger also comprises mounting plate, and this mounting plate is arranged on the bottom of heat exchanger.
As preferably, described outer tube is steel pipe, copper pipe, aluminum pipe or engineering plastics pipe; Said inner tube is copper pipe, titanium pipe, stainless steel tube or Copper-nickel alloy tube.
This utility model has the advantages that
1, the reinforced spiral-tube high efficient heat exchanger of one that this utility model provides, by the multi-head spiral section body of interior pipe being processed into the structure that the wavy concavo-convex alternate bar shaped curved surface surrounded is formed by same helical trajectory spiral extension, the outer surface making multi-head spiral body defines a plurality of wavy concavo-convex alternate helical duct surrounded, fluid is in pipe or when flowing outside pipe, pipe surfaces externally and internally defines periodically variable spiral type Wave crest and wave trough, fluid is made to form one and another whirlpool, due to being continually changing of flow area and flow velocity direction, cause that fluid produces additional disturbance at crest place, change the flow condition being detained boundary region of fluid, add turbulence intensity and turbulent flow near near-wall to heat energy power, laminar flow and transition flow is made to reach turbulent heat transfer. when turbulent flow is about to disappear, fluid flows through again next crest, constantly produces axial disturbance, remains stable for continuous print invigoration effect, thus improve heat transfer efficiency, makes the efficient heat transfer coefficient of multi-head spiral body be stabilized and continuously. thus effectively and significantly increasing the heat exchange area of inner tube outer surface, it is effectively improved the exchange capability of heat of heat exchanger.
2, the reinforced spiral-tube high efficient heat exchanger of one that this utility model provides, gap between outer tube and interior pipe is by concavo-convex alternate spiral type bar shaped curved-surface structure even partition, flow media is made to be uniformly distributed, be conducive to improving heat exchange area and keep during as vaporizer good oil return characteristic, the a plurality of wavy concavo-convex alternate helical duct surrounded on interior pipe, increase the heat exchange area between fluid, improve heat exchange efficiency, decrease unit heat exchange area material consumption simultaneously, save production cost, the adverse current of two kinds of fluids makes to produce the maximum temperature difference between two kinds of fluids, enhance heat exchange property, to ensure that heat exchanger carries out sufficient heat exchange.
3, the inwall of said inner tube multi-head spiral section body and/or outer wall has fin structure. The pattern of described fin structure is fin is holistic new and effective pipe with matrix, with common heat exchanger tube the difference is that it is not only simply increase heat exchange area. Technique is prepared this pipe and is had in-line arrangement or staggered or a hybrid-type ring fin, condensation fluid layer through time be divided into very thin fluid layer, excellent heat transfer properties, increase augmentation of heat transfer area, more preferably promote heat transfer effect.
4, the reinforced spiral-tube high efficient heat exchanger of one that this utility model provides, when being used as condenser, due to multi-head spiral body structure, the a plurality of wavy concavo-convex alternate helical channel structure surrounded makes the liquid condensed be prone to discharge from helical duct under capillary effect, by strengthening fluency thus enhanced heat exchange effect, therefore this kind of reinforced spiral-tube high efficient heat exchanger can function well as vaporizer and can function well as again condenser, and application scenario is more extensive.
5, the reinforced spiral-tube high efficient heat exchanger of one that this utility model provides, for having the multi-start helical tubes of a plurality of wavy concavo-convex alternate helical channel structure surrounded, adopting 3 to 8 helical ducts, such structural design can so that heat exchange surface fluid be uniformly distributed, and heat exchange is abundant.
6, the reinforced spiral-tube high efficient heat exchanger of one that this utility model provides, by said inner tube and described outer tube are integrally bent to coil arrangement, for spiral fashion population structure, adopt spring structure or vortex structure or double-screw type structure or racetrack structure or Serpentis form structure or multi-joint fabricated structure. So can be effectively saved space so that compact conformation, make when exchange capability of heat is identical the volume of heat exchanger can be made smaller, and one-body molded processing is got up convenient, efficient.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of reinforced spiral-tube high efficient heat exchanger that this utility model provides;
Fig. 2 is the inner tube structure schematic diagram of a kind of reinforced spiral-tube high efficient heat exchanger that this utility model provides;
Fig. 3 is the interior pipe cross sectional representation of a kind of reinforced spiral-tube high efficient heat exchanger that this utility model provides;
Fig. 4 be this utility model provide a kind of reinforced spiral-tube high efficient heat exchanger interior pipe outer tube assembling after cross sectional representation;
Fig. 5 is the internal structure schematic diagram of a kind of reinforced spiral-tube high efficient heat exchanger that this utility model provides;
Fig. 6 be this utility model provide a kind of reinforced spiral-tube high efficient heat exchanger interior pipe outer tube assembling after longitudinal sectional drawing;
Fig. 7 be this utility model provide a kind of reinforced spiral-tube high efficient heat exchanger interior pipe outer tube assembling after structural representation;
Fig. 8 is the spring contour structures schematic diagram of a kind of reinforced spiral-tube high efficient heat exchanger that this utility model provides;
Fig. 9 is the vortex contour structures schematic diagram of a kind of reinforced spiral-tube high efficient heat exchanger that this utility model provides;
Figure 10 is the double-screw type contour structures schematic diagram of a kind of reinforced spiral-tube high efficient heat exchanger that this utility model provides;
Figure 11 is the racetrack contour structures schematic diagram of a kind of reinforced spiral-tube high efficient heat exchanger that this utility model provides;
Figure 12 is the snakelike formula contour structures schematic diagram of a kind of reinforced spiral-tube high efficient heat exchanger that this utility model provides;
Figure 13 is the multi-joint combination type contour structures schematic diagram of a kind of reinforced spiral-tube high efficient heat exchanger that this utility model provides.
In figure, 1-outer tube, pipe in 2-; 3-reducing pipeline section one, 4-mouthpiece one, 5-mouthpiece two, 6-reducing pipeline section two, 7-mounting plate; 10a-transition connecting pipe one, 10b-transition connecting pipe two, 17a-changeover portion one, 17b-changeover portion two.
Detailed description of the invention
Below according to Fig. 1��Figure 13, illustrate and of the present utility model preferably implement example:
As it is shown in figure 1, be a kind of reinforced spiral-tube high efficient heat exchanger, it comprises outer tube 1 and interior pipe 2.
Outer tube 1; Be provided with mouthpiece 1 and mouthpiece 25 at the two ends of described outer tube 1, mouthpiece 1 is second fluid entrance, and mouthpiece 25 is second fluid outlet.
Interior pipe 2; Being set in outer tube 1 internal, this interior pipe 2 is coaxially disposed with outer tube 1.
As in figure 2 it is shown, described interior pipe 2 comprises multi-head spiral section body 18, lays respectively at changeover portion one 17a and changeover portion two 17b at multi-head spiral section body 18 two ends, the reducing pipeline section 1 connecting changeover portion one 17a and changeover portion two 17b respectively and reducing pipeline section 26. The external diameter of this multi-head spiral section body 18 is less than the internal diameter of outer tube 1, and this multi-head spiral section body 18 closely cooperates with outer tube 1, and fit clearance is 0.1 ~ 1mm. Reducing pipeline section 1 is first fluid outlet, and reducing pipeline section 26 is first fluid entrance.
As it is shown on figure 3, the multi-head spiral section body 18 in the middle of said inner tube 2 is the multi-start helical tubes with a plurality of wavy concavo-convex alternate helical channel structure surrounded, adopt 3 to 8 helical ducts.
As shown in Figure 4, the reinforced spiral-tube high efficient heat exchanger of one that this utility model provides, gap between outer tube 1 and interior pipe 2 is by concavo-convex alternate spiral type bar shaped curved-surface structure even partition, flow media is made to be uniformly distributed, be conducive to improving heat exchange area and keep during as vaporizer good oil return characteristic, the a plurality of wavy concavo-convex alternate helical duct surrounded on interior pipe, increase the heat exchange area between fluid, improve heat exchange efficiency, decrease unit heat exchange area material consumption simultaneously, save production cost, the adverse current of two kinds of fluids makes to produce the maximum temperature difference between two kinds of fluids, enhance heat exchange property, to ensure that heat exchanger carries out sufficient heat exchange.
As it is shown in figure 5, the reinforced spiral-tube high efficient heat exchanger of described one, also comprise transition connecting pipe one 10a being set in outer tube 1 two ends and transition connecting pipe two 10b. The inner side of transition connecting pipe one 10a and transition connecting pipe two 10b and the outside of outer tube 1 closely cooperate. Described transition connecting pipe one 10a is provided with described mouthpiece 1, and described transition connecting pipe two 10b is provided with described mouthpiece 25. Mouthpiece 1 is second fluid entrance, and mouthpiece 25 is second fluid outlet.
As shown in Figure 4 and Figure 6, the inwall of the multi-head spiral section body 18 of said inner tube and/or outer wall has fin structure. The pattern of described fin structure is fin is holistic new and effective pipe with matrix, with common heat exchanger tube the difference is that it is not only simply increase heat exchange area. Technique is prepared this pipe and is had in-line arrangement or staggered or a hybrid-type ring fin, condensation fluid layer through time be divided into very thin fluid layer, excellent heat transfer properties, increase augmentation of heat transfer area, more preferably promote heat transfer effect.
As it is shown in figure 1, this reinforced spiral-tube high efficient heat exchanger also comprises mounting plate 7, this mounting plate 7 is arranged on the bottom of heat exchanger.
As shown in Figure 1 and Figure 5, first fluid flows into from reducing pipeline section 26, through first fluid passage, flows out from reducing pipeline section 1; Second fluid flows into from mouthpiece 1, through second fluid passage, flows out from mouthpiece 25. Two kinds of reverse fluid flow, carry out heat exchange by the tube wall of interior pipe 2, and adverse current makes to produce the maximum temperature difference between two kinds of fluids, enhances exchange capability of heat, to ensure that heat exchanger carries out sufficient heat exchange.
As shown in Figure 4 and Figure 5, the fin that described interior pipe 2 is the necking forming of a designated length and wall thickness is efficiently managed, and two ends form changeover portion one 17a, changeover portion two 17b through reducing and connect changeover portion one 17a, the reducing pipeline section 1 of changeover portion two 17b, reducing pipeline section 26 respectively. Interior pipe 2 is sized to and penetrates in outer tube 1 suitably, the multi-head spiral section body 18 of interior pipe 2 is processed on helical forming device, form the reinforced serpentine pipe with a plurality of wavy concavo-convex alternate helical duct surrounded, increase the heat exchange area between fluid, improve heat exchange efficiency, decrease unit heat exchange area material consumption simultaneously, save production cost.
The reinforced spiral-tube high efficient heat exchanger of described one is spiral fashion population structure, it is possible to reduce heat exchanger volume, makes compact conformation reasonable, easy for installation simply.
As shown in Figure 8, for spring structure;
As it is shown in figure 9, be vortex structure;
As shown in Figure 10, for double-screw type structure;
As shown in figure 11, for racetrack structure;
As shown in figure 12, for Serpentis form structure;
As shown in figure 13, for multi-joint fabricated structure.
Described first fluid and second fluid medium can be water, or other coolant.
Described outer tube 1 is steel pipe, copper pipe, aluminum pipe or engineering plastics pipe etc.
Described interior pipe 2 is copper pipe, titanium pipe, stainless steel tube or Copper-nickel alloy tube etc.
When interior pipe 2 material adopts titanium, copper-nickel alloy, rustless steel or nickel plating alloy, the reinforced spiral-tube high efficient heat exchanger of one that this utility model provides is usable in the air conditioning systems such as marine ship, warship, marine drilling platform and swimming pool, it is also possible in medicine, food and some other special industry.
The reinforced spiral-tube high efficient heat exchanger of one that this utility model provides as heat regenerator, can also produce hot water for life, improve Energy Efficiency Ratio and the economy of system simultaneously while system works. The unique heat transfer property of this utility model ensure that high efficiency when it is applied to condenser, vaporizer, refrigeration unit, gas chiller, heating/refrigerating device and other heat-exchange devices.
Although content of the present utility model has been made to be discussed in detail already by the above-mentioned example that is preferable to carry out, but it should be appreciated that the description above is not considered as restriction of the present utility model. After those skilled in the art have read foregoing, multiple amendment of the present utility model and replacement all be will be apparent from. Therefore, protection domain of the present utility model should be limited to the appended claims.

Claims (9)

1. a reinforced spiral-tube high efficient heat exchanger, including outer tube (1) and the interior pipe (2) being sheathed on outer tube, it is characterized in that: interior pipe (2) includes both ends and multi-head spiral section body (18) being arranged between both ends, interior pipe (2) two ends are as first fluid gateway, outer tube (1) two ends are as second fluid gateway, interior pipe (2) be internally formed first fluid passage, for having the second fluid passage of a plurality of wavy concavo-convex alternate helical duct composition surrounded between outer tube (1) and interior pipe (2), second fluid passage presses helical trajectory uniform ring around first fluid passage, the inwall of described multi-head spiral section body (18) and/or outer wall has fin structure, the pattern of described fin structure is the matrix of fin and multi-head spiral section body (18) is an entirety, and described fin comprises in-line arrangement, staggered or hybrid-type ring fin.
2. the reinforced spiral-tube high efficient heat exchanger of one according to claim 1, it is characterised in that: said inner tube (2) and outer tube (1) are coaxially disposed; Interior pipe (2) also includes being positioned at the changeover portion one (17a) at multi-head spiral section body (18) two ends, changeover portion two (17b), and connects changeover portion one (17a), the reducing pipeline section one (3) of changeover portion two (17b) and reducing pipeline section two (6) respectively; Reducing pipeline section one (3) is first fluid outlet, and reducing pipeline section two (6) is first fluid entrance.
3. the reinforced spiral-tube high efficient heat exchanger of one according to claim 2, it is characterised in that: the two ends of described outer tube (1) are provided with mouthpiece one (4) and mouthpiece two (5); Mouthpiece one (4) is second fluid entrance, and mouthpiece two (5) is second fluid outlet.
4. the reinforced spiral-tube high efficient heat exchanger of one according to claim 1, it is characterized in that: the external diameter of described multi-head spiral section body (18) is less than the internal diameter of outer tube (1), and the gap between multi-head spiral section body (18) and outer tube (1) is 0.1��1mm.
5. the reinforced spiral-tube high efficient heat exchanger of one according to claim 1, it is characterised in that: described multi-head spiral section body (18) adopts 3��8 helical ducts.
6. the reinforced spiral-tube high efficient heat exchanger of one according to claim 3, it is characterized in that: described heat exchanger also comprises the outside of the transition connecting pipe one (10a) and transition connecting pipe two (10b) that are respectively sleeved at outer tube (1) two ends, the inner side of transition connecting pipe one (10a) and transition connecting pipe two (10b) and outer tube (1) and closely cooperates; Described transition connecting pipe one (10a) is provided with described mouthpiece one (4), and described transition connecting pipe two (10b) is provided with described mouthpiece two (5).
7. the reinforced spiral-tube high efficient heat exchanger of one according to claim 1, it is characterised in that: described heat exchanger is spiral fashion population structure, adopts spring, vortex, double-screw type, racetrack, snakelike formula or multi-joint fabricated structure.
8. the reinforced spiral-tube high efficient heat exchanger of one according to claim 1, it is characterised in that: described heat exchanger also comprises mounting plate (7), and this mounting plate (7) is arranged on the bottom of heat exchanger.
9. the reinforced spiral-tube high efficient heat exchanger of one according to claim 1, it is characterised in that: described outer tube (1) is steel pipe, copper pipe, aluminum pipe or engineering plastics pipe; Said inner tube (2) is copper pipe, titanium pipe, stainless steel tube or Copper-nickel alloy tube.
CN201521054724.0U 2015-12-17 2015-12-17 Strenghthened type spiral pipe high -efficiency heat exchanger Active CN205279802U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105387736A (en) * 2015-12-17 2016-03-09 英特换热设备(浙江)有限公司 Efficient heat exchanger employing reinforced spiral pipe
CN107462088A (en) * 2017-08-08 2017-12-12 上海悠太节能科技中心(有限合伙) Efficient freeze proof heat exchange coil and its manufacture method
WO2018223296A1 (en) * 2017-06-07 2018-12-13 南京工业大学 Pipe-type mixer
CN110388837A (en) * 2019-07-29 2019-10-29 珠海格力电器股份有限公司 The control method of heat exchanger, outdoor machine of air-conditioner, air conditioner and heat exchanger

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105387736A (en) * 2015-12-17 2016-03-09 英特换热设备(浙江)有限公司 Efficient heat exchanger employing reinforced spiral pipe
WO2017101235A1 (en) * 2015-12-17 2017-06-22 英特换热设备(浙江)有限公司 Enhanced high-efficiency spiral tube heat exchanger
WO2018223296A1 (en) * 2017-06-07 2018-12-13 南京工业大学 Pipe-type mixer
CN107462088A (en) * 2017-08-08 2017-12-12 上海悠太节能科技中心(有限合伙) Efficient freeze proof heat exchange coil and its manufacture method
CN110388837A (en) * 2019-07-29 2019-10-29 珠海格力电器股份有限公司 The control method of heat exchanger, outdoor machine of air-conditioner, air conditioner and heat exchanger

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C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 313000, Zhejiang Anji Economic Development Zone, Huzhou Pu Industrial Park, the three inter platform heat exchange equipment (Zhejiang) Co., Ltd.

Patentee after: Zhejiang Intech Technology Co., Ltd

Address before: 313000, Zhejiang Anji Economic Development Zone, Huzhou Pu Industrial Park, the three inter platform heat exchange equipment (Zhejiang) Co., Ltd.

Patentee before: EXTEK ENERGY EQUIPMENT (ZHEJIANG) Ltd.

CP01 Change in the name or title of a patent holder