CN104132571A - Air-water heat exchange tube with ash accumulation reduction effect - Google Patents
Air-water heat exchange tube with ash accumulation reduction effect Download PDFInfo
- Publication number
- CN104132571A CN104132571A CN201310178909.1A CN201310178909A CN104132571A CN 104132571 A CN104132571 A CN 104132571A CN 201310178909 A CN201310178909 A CN 201310178909A CN 104132571 A CN104132571 A CN 104132571A
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- heat exchanger
- water heat
- exchanger tube
- air water
- heat exchange
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Abstract
The invention relates to heat exchange components, particularly discloses an air-water heat exchange tube with ash accumulation reduction effect and applied to heating surfaces of boilers, aiming to solve the technical problem that flue gas contact surfaces of the heating surfaces of the boilers in the prior art are of polished structures, flue gas forms a laminar state on surfaces of conventional air-water heat exchange tubes to further form large vortex zones when scouring the conventional air-water heat exchange tubes, and the surfaces of the air-water heat exchange tubes in the vortex zones are easy to absorb ash generated during combustion, so that heat exchange efficiency of the boilers and normal running thereof are influenced. According to the technical scheme, on the basis of the conventional air-water heat exchange tubes, the air-water heat exchange tube with the ash accumulation reduction effect is of the structure having continuous convex and concave grooves or dispersive pits on the flue gas contact surface.
Description
Technical field
The present invention relates to heat exchange component, particularly relate to a kind of for reducing the air water heat exchanger tube of dust stratification in boiler heating surface.
Background technology
Air water heat exchanger tube flue gas contact surface in boiler heating surface is light face at present, during sweep of gases air water heat exchanger tube, on air water heat exchanger tube surface, be laminar condition, when what air water heat exchanger tube surface was laminar condition, wash away flue gas to air water heat exchanger tube dorsad during side, start to leave air water heat exchanger tube and form and converge, at air water heat exchanger tube back, form the larger vortex with negative pressure character.At fuel, produce grey in the situation that, cause and be in easily absorption dust of air water heat exchanger tube surface, vortex, affect boiler heat exchange efficiency and boiler and normally move.
Summary of the invention
The technical problem to be solved in the present invention is that the air water heat exchanger tube flue gas contact surface in current boiler heating surface is light face structure, while causing flue gas transversal flow air water heat exchanger tube, on air water heat exchanger tube surface, be laminar condition, form described compared with maelstrom district, at fuel, produce grey in the situation that, cause and be in easily absorption dust of air water heat exchanger tube surface, vortex, affect boiler heat exchange efficiency and boiler and normally move.
For solving the problems of the technologies described above, the technical solution used in the present invention is for providing a kind of for reducing the air water heat exchanger tube of dust stratification, and described air water heat exchanger tube is on existing air water heat exchanger tube basis, at flue gas contact surface, has convex row groove line or disperses pit.
The present invention compared with the prior art, because described air water heat exchanger tube flue gas contact surface has convex row groove line or disperses pit, its beneficial effect is that air water heat exchanger tube in boiler heating surface is when flue gas transversal flow air water heat exchanger tube, under flue gas contact surface emboss pit line or the effect of dispersion pit, on air water heat exchanger tube surface, be turbulent condition, dwindled described vortex, at fuel, produce grey in the situation that and reduce and be in described vortex air water heat exchanger tube adsorption dust, improved boiler heat exchange efficiency, guaranteed that boiler normally moves.
Accompanying drawing explanation
Fig. 1 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be pipe, cross-sectional structure schematic diagram when described emboss pit line is reticulate pattern;
Fig. 2 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be pipe, side-looking structural representation when described emboss pit line is reticulate pattern;
Fig. 3 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be pipe, cross-sectional structure schematic diagram when described emboss pit line is the straight burr parallel with described air water heat exchanger tube axis;
Fig. 4 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be pipe, side-looking structural representation when described emboss pit line is the straight burr parallel with described air water heat exchanger tube axis;
Fig. 5 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be pipe, cross-sectional structure schematic diagram when described pit is cambered surface pit;
Fig. 6 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be pipe, side-looking structural representation when described pit is cambered surface pit;
Fig. 7 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be elliptical tube, cross-sectional structure schematic diagram when described emboss pit line is reticulate pattern;
Fig. 8 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be elliptical tube, side-looking structural representation when described emboss pit line is reticulate pattern;
Fig. 9 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be elliptical tube, cross-sectional structure schematic diagram when described emboss pit line is the straight burr parallel with described air water heat exchanger tube axis;
Figure 10 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be elliptical tube, side-looking structural representation when described emboss pit line is the straight burr parallel with described air water heat exchanger tube axis;
Figure 11 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be elliptical tube, cross-sectional structure schematic diagram when described pit is cambered surface pit;
Figure 12 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be elliptical tube, side-looking structural representation when described pit is cambered surface pit;
Figure 13 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be flat pipe, cross-sectional structure schematic diagram when described emboss pit line is reticulate pattern;
Figure 14 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be flat pipe, side-looking structural representation when described emboss pit line is reticulate pattern;
Figure 15 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be flat pipe, cross-sectional structure schematic diagram when described emboss pit line is the straight burr parallel with described air water heat exchanger tube axis;
Figure 16 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be flat pipe, side-looking structural representation when described emboss pit line is the straight burr parallel with described air water heat exchanger tube axis;
Figure 17 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be flat pipe, cross-sectional structure schematic diagram when described pit is cambered surface pit;
Figure 18 be a kind of for reducing the air water heat exchanger tube of dust stratification, at described heat exchanger tube, be flat pipe, side-looking structural representation when described pit is cambered surface pit;
Figure 19 is a kind of for reducing the air water heat exchanger tube of dust stratification, smoke gas flow state and distribution schematic diagram during flue gas transversal flow air water heat exchanger tube in using shown in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, provide the preferred embodiment of the present invention: in the embodiment being provided by Fig. 1, Fig. 2, a kind of described heat exchanger tube is pipe 1 for reducing the air water heat exchanger tube of dust stratification, and described emboss pit line 2,3 is reticulate pattern, and groove line 3 cross sections are arc; In the embodiment being provided by Fig. 3, Fig. 4, a kind of for reducing the air water heat exchanger tube of dust stratification, described heat exchanger tube is pipe 1, and described emboss pit line 2,3 is the straight burr parallel with described air water heat exchanger tube axis, and groove line 3 cross sections are arc; In the embodiment being provided by Fig. 5, Fig. 6, a kind of for reducing the air water heat exchanger tube of dust stratification, described heat exchanger tube is pipe 1, and described pit is cambered surface pit 4; In the embodiment being provided by Fig. 7, Fig. 8, a kind of for reducing the air water heat exchanger tube of dust stratification, described heat exchanger tube is elliptical tube 5, and described emboss pit line 2,3 is reticulate pattern, and groove line 3 cross sections are arc; In the embodiment being provided by Fig. 9, Figure 10, a kind of for reducing the air water heat exchanger tube of dust stratification, described heat exchanger tube is elliptical tube 5, and described emboss pit line 2,3 is the straight burr parallel with described air water heat exchanger tube axis, and groove line 3 cross sections are arc; In the embodiment being provided by Figure 11, Figure 12, a kind of for reducing the air water heat exchanger tube of dust stratification, described heat exchanger tube is elliptical tube 5, and described pit is cambered surface pit 4; In the embodiment being provided by Figure 13, Figure 14, a kind of for reducing the air water heat exchanger tube of dust stratification, described heat exchanger tube is flat pipe 6, and described emboss pit line 2,3 is reticulate pattern, and groove line 3 cross sections are arc; In the embodiment being provided by Figure 15, Figure 16, a kind of for reducing the air water heat exchanger tube of dust stratification, described heat exchanger tube is flat pipe 6, and described emboss pit line 2,3 is the straight burr parallel with described air water heat exchanger tube axis, and groove line 3 cross sections are arc; In the embodiment being provided by Figure 17, Figure 18, a kind of for reducing the air water heat exchanger tube of dust stratification, described heat exchanger tube is flat pipe 6, and described pit is cambered surface pit 4.During use, the embodiment being provided by Fig. 1, Fig. 2 of take is example, and in conjunction with Figure 19, be arranged on stream in the pipe 1 in boiler heating surface and have working-medium water, during horizontal sweep of gases air water heat exchanger tube pipe 1, under surperficial emboss pit line 2,3 effects of air water heat exchanger tube pipe 1, on air water heat exchanger tube pipe 1 surface, be turbulent flow 7,8 states, with chain-dotted line, provide its distribution, compared with the prior art, when pipe 1 flue gas contact-making surface is light face, air water heat exchanger tube surface is laminar flow 10,11 states, with dotted line, provides its distribution, has dwindled vortex 9.The embodiment that all the other accompanying drawings provide is similar therewith in use.
Claims (7)
1. for reducing an air water heat exchanger tube for dust stratification, it is characterized in that: described air water heat exchanger tube flue gas contact surface has convex row groove line or disperses pit.
2. according to claim 1 for reducing the air water heat exchanger tube of dust stratification, it is characterized in that: described emboss pit line is reticulate pattern, groove line cross section is arc.
3. according to claim 1 for reducing the air water heat exchanger tube of dust stratification, it is characterized in that: described emboss pit line is the straight burr parallel with described air water heat exchanger tube axis, and groove line cross section is arc.
4. according to claim 1 for reducing the air water heat exchanger tube of dust stratification, it is characterized in that: described pit is cambered surface pit.
According to described in claim 1,2,3 or 4 for reducing the air water heat exchanger tube of dust stratification, it is characterized in that: described heat exchanger tube is pipe.
According to described in claim 1,2,3 or 4 for reducing the air water heat exchanger tube of dust stratification, it is characterized in that: described heat exchanger tube is elliptical tube.
According to described in claim 1,2,3 or 4 for reducing the air water heat exchanger tube of dust stratification, it is characterized in that: described heat exchanger tube is flat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310178909.1A CN104132571A (en) | 2013-04-30 | 2013-04-30 | Air-water heat exchange tube with ash accumulation reduction effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310178909.1A CN104132571A (en) | 2013-04-30 | 2013-04-30 | Air-water heat exchange tube with ash accumulation reduction effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104132571A true CN104132571A (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310178909.1A Pending CN104132571A (en) | 2013-04-30 | 2013-04-30 | Air-water heat exchange tube with ash accumulation reduction effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104132571A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288871A (en) * | 2016-08-31 | 2017-01-04 | 江阴德尔热能机械有限公司 | A kind of recirculating fluidized bed is with built-in anti-adhesion heat exchanger |
| JP2020134088A (en) * | 2019-02-25 | 2020-08-31 | 富士電機株式会社 | Fin tube heat exchanger |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201034435Y (en) * | 2007-03-23 | 2008-03-12 | 江苏中圣高科技产业有限公司 | Low pressure-reduction highly effective heat transfer tube |
| CN201429358Y (en) * | 2009-06-29 | 2010-03-24 | 江阴市电力设备冷却器有限公司 | Left-and-right spiral rhombus heat exchange tube |
| CN201819603U (en) * | 2010-09-08 | 2011-05-04 | 北京广厦环能科技有限公司 | High-flux heat exchange tube with outer longitudinal grooves and inner porous surface |
| CN202442625U (en) * | 2012-02-18 | 2012-09-19 | 董斌 | Energy-saving self-cleaning pipe |
-
2013
- 2013-04-30 CN CN201310178909.1A patent/CN104132571A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201034435Y (en) * | 2007-03-23 | 2008-03-12 | 江苏中圣高科技产业有限公司 | Low pressure-reduction highly effective heat transfer tube |
| CN201429358Y (en) * | 2009-06-29 | 2010-03-24 | 江阴市电力设备冷却器有限公司 | Left-and-right spiral rhombus heat exchange tube |
| CN201819603U (en) * | 2010-09-08 | 2011-05-04 | 北京广厦环能科技有限公司 | High-flux heat exchange tube with outer longitudinal grooves and inner porous surface |
| CN202442625U (en) * | 2012-02-18 | 2012-09-19 | 董斌 | Energy-saving self-cleaning pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288871A (en) * | 2016-08-31 | 2017-01-04 | 江阴德尔热能机械有限公司 | A kind of recirculating fluidized bed is with built-in anti-adhesion heat exchanger |
| JP2020134088A (en) * | 2019-02-25 | 2020-08-31 | 富士電機株式会社 | Fin tube heat exchanger |
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| PB01 | Publication | ||
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Application publication date: 20141105 |