CN2031506U - Novel single tube member for insertion piece type heat exchanger - Google Patents
Novel single tube member for insertion piece type heat exchanger Download PDFInfo
- Publication number
- CN2031506U CN2031506U CN 88203552 CN88203552U CN2031506U CN 2031506 U CN2031506 U CN 2031506U CN 88203552 CN88203552 CN 88203552 CN 88203552 U CN88203552 U CN 88203552U CN 2031506 U CN2031506 U CN 2031506U
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- China
- Prior art keywords
- tube member
- single tube
- heat exchanger
- spiral
- insert
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Disclosed is a novel single tube member for insertion piece type heat exchanger. Because a specific shape of a spiral corrugated inner and an outer walls and a port structure are adopted by the tube member, compared with the plane wall type normal single tube structure, the utility model has the advantages of small 'ratio of twisting ' of an inserts, low airflow resistance, small coefficient of local resistance of an inlet and an outlet, high recovery rate of residual heat, easy of clearing fouling, etc. The utility model is an ideal single tube member for waste heat recovering of equipment in industrial furnace process, such as metallurgy heating, forging, heat-treatment, etc.
Description
The utility model is a kind of novel single tube member of insert formula heat exchanger.
External diameter is level and smooth in its pipeline of single tube member of present insert formula heat exchanger, though the pipeline of this structure has improved the heat transfer coefficient in the heat exchanger because of twist shape tablet in managing, increased heat output, but because bigger " the distortion ratio " of the interior insert of pipe strengthened the collateral resistance of air-flow in the pipe.Existing to increase drag losses is that cost is but only strengthened intraductal heat exchange and the heat transfer in the pipe outside do not had the shortcoming of booster action.The waste heat recovery rate is not high, and black dirt is removed inconvenience.
For avoiding above-mentioned deficiency of the prior art, the purpose of this utility model is to provide the less insert of a kind of use the " distortion ratio " can reduce air-flow collateral resistance in the pipeline, reduce the import and export local resistance loss, can strengthen novel single tube member again pipe outside heat exchange.
The concrete measure of realizing the utility model purpose is as follows:
The novel single tube member of insert formula heat exchanger is made up of twist shape tablet in body and the pipe, its body inside and outside wall surface is the helical corrugation shape, the hand of spiral of ripple is consistent with the hand of spiral of insert, and the lift angle of inner wall surface spiral is less than the helical angle of twisted shape insert.
Its concrete measure also has:
The concavo-convex of this body inside and outside wall helical corrugation is that the interior shallow outer dark outer surface spiral degree of depth is 3.5-4mm, and inner surface is 1.5-2mm; The tube wall helical corrugation is deepened to interlude gradually by ports zone.
This utility model also has the end construction of diameter reduced inlet region and enlarged diameter type outlet area.
Fig. 1 is a structural representation of the present utility model.
Novel single tube member is made up of body 1 and twist shape tablet 2, and the left end of pipe is air inlet, and right-hand member is the gas outlet.
Novel single tube member can adopt the metal seamless tube roll extrusion to make, and adopts respectively stainless steel according to the working environment of heat exchanger, alumetized steel or straight carbon steel. Nozzle structure is to reaming-forming after the pipe end local heat.
The advantage that the utility model has compared to existing technology is:
Adopt the heat exchanger of above-mentioned Novel single tube member, because its inside pipe wall screw thread has guide effect with the insert hand of spiral is consistent to air-flow, make the inboard drag losses of air-flow approximately reduce 900-1200Pa. In guaranteeing enhanced tube, on the basis of heat exchange, be beneficial to and select " distortion ratio " little insert.
Experiment shows: the inside pipe wall lead angle also can be eliminated the dead area of swirling eddy effectively less than the insert helical angle, has strengthened ducted radial heat transfer; And manage the concavo-convex of outer wall, and be equivalent to and help wall, strengthened the heat exchange to the pipe outside. Heat transfer rate can improve 10%-15%.
In addition, again because it has the entrance region undergauge, end construction and the screw thread of outlet area hole enlargement are deepened to middle region gradually by two ends, make the turnover oral region coefficient of partial resistance of air-flow be respectively 20% and 50% of common tube. The helicitic texture of tube wall has the effect of loose pipeline external surface area grieshoch in process of expansion and contraction. Be easy to remove.
In sum, it is good that the utility model is that a kind of air gives thermal effect, has the thermal stress compensation and the novel single tube member of snaking ability automatically.
Claims (3)
1, the novel single tube member of insert formula heat exchanger is made up of the twist shape tablet in body and the pipe, it is characterized in that body inside and outside wall surface is the helical corrugation shape, the hand of spiral of ripple is consistent with the hand of spiral of insert, and the lift angle of inner wall surface spiral is less than the helical angle of twisted shape insert.
2, single tube member according to claim 1 is characterized in that the concavo-convex of body inside and outside wall helical corrugation is interior shallow outer dark, and the outer surface spiral degree of depth is 3.5-4mm, and inner surface is 1.5-2mm, and the tube wall helical corrugation is deepened to interlude gradually by ports zone.
3, single tube member according to claim 1 and 2 is characterized in that body has the end construction of diameter reduced inlet region and enlarged diameter type outlet area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88203552 CN2031506U (en) | 1988-02-24 | 1988-02-24 | Novel single tube member for insertion piece type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88203552 CN2031506U (en) | 1988-02-24 | 1988-02-24 | Novel single tube member for insertion piece type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2031506U true CN2031506U (en) | 1989-01-25 |
Family
ID=4838351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88203552 Withdrawn CN2031506U (en) | 1988-02-24 | 1988-02-24 | Novel single tube member for insertion piece type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2031506U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813323A (en) * | 2010-05-14 | 2010-08-25 | 杭州美宝炉窑工程有限公司 | Insert type air preheater with same inlet-outlet temperature difference of heat exchange tubes |
| CN102252340A (en) * | 2011-05-31 | 2011-11-23 | 杭州美宝炉窑工程有限公司 | Jet and insert combined air pre-heater capable of realizing same inlet/outlet temperature difference of gas in heat exchange pipes |
| CN106288538A (en) * | 2016-09-13 | 2017-01-04 | 深圳沃海森科技有限公司 | High-efficient spiral type micro-channel heat exchanger |
-
1988
- 1988-02-24 CN CN 88203552 patent/CN2031506U/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813323A (en) * | 2010-05-14 | 2010-08-25 | 杭州美宝炉窑工程有限公司 | Insert type air preheater with same inlet-outlet temperature difference of heat exchange tubes |
| CN101813323B (en) * | 2010-05-14 | 2011-06-15 | 杭州美宝炉窑工程有限公司 | Insert type air preheater with same inlet-outlet temperature difference of heat exchange tubes |
| CN102252340A (en) * | 2011-05-31 | 2011-11-23 | 杭州美宝炉窑工程有限公司 | Jet and insert combined air pre-heater capable of realizing same inlet/outlet temperature difference of gas in heat exchange pipes |
| CN102252340B (en) * | 2011-05-31 | 2013-02-06 | 杭州美宝炉窑工程有限公司 | Jet and insert combined air pre-heater capable of realizing same inlet/outlet temperature difference of gas in heat exchange pipes |
| CN106288538A (en) * | 2016-09-13 | 2017-01-04 | 深圳沃海森科技有限公司 | High-efficient spiral type micro-channel heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |