CN204115529U - A kind of new steel structure tubular heat exchanger - Google Patents
A kind of new steel structure tubular heat exchanger Download PDFInfo
- Publication number
- CN204115529U CN204115529U CN201420470562.8U CN201420470562U CN204115529U CN 204115529 U CN204115529 U CN 204115529U CN 201420470562 U CN201420470562 U CN 201420470562U CN 204115529 U CN204115529 U CN 204115529U
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- Prior art keywords
- perforated plate
- lower perforated
- expansion joint
- heat exchange
- heat exchanger
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Abstract
The utility model relates to a kind of new steel structure tubular heat exchanger, effectively solves that existing horizontal heat exchanger heat-exchanging tube easily blocks, heat exchange is uneven, pipe is due to the easy distortion of heat expansion or come off from tube sheet so that damage the problem of heat exchanger, scheme is, comprise by front, after, left, the heat exchange cavity that right wallboard is formed, heat exchange cavity upper end is provided with left arch cavity and right arch cavity, heat exchange cavity top and bottom are provided with on first from left to right successively, lower perforated plate, on second, on lower perforated plate and the 3rd, lower perforated plate, on first, lower perforated plate, on second on lower perforated plate and the 3rd, the both sides, front and back of lower perforated plate are connected to the wallboard upper end of heat exchange cavity respectively through the first expansion joint, on first, on the left of lower perforated plate and on second, the right side of lower perforated plate is connected on heat exchange cavity through the first expansion joint respectively, on first, lower perforated plate and second connects through the second expansion joint between lower perforated plate, on second, on lower perforated plate and the 3rd, connect through the 3rd expansion joint between lower perforated plate.
Description
Technical field
The utility model relates to heat exchanger, particularly a kind of new steel structure heat exchanger.
Background technology
The high-temperature flue gas produced by hot-blast stove, enter in heat exchanger tube, through radiation, the conduction of tubulation, when cold air is when heat exchanger tube is outer, is heated by tube wall, be exchanged into clean hot blast, for drying grain, medicinal material, tobacco leaf, food etc., thus achieve indirect drying, avoid the pollution of flue gas to material drying, the low-temperature flue gas after exchanging is discharged in air through chimney by air-introduced machine.
At present, commercially there is a lot of horizontal type heat exchanger, this heat exchanger due to heat-transfer pipe and flue be horizontal placement, dust in such flue gas is easily deposited in heat-transfer pipe outer wall and heat exchanger shell diapire, flue gas if things go on like this can be caused obstructed, heat exchanger tube blocks, heat exchanger is easily caused to block, easily burn out heat exchanger, cause Lou fiery phenomenon, and existing horizontal heat exchanger is mostly that front and back only have a tube sheet, when tube wall and the shell wall temperature difference larger time, because both thermal expansions are different, create very large thermal (temperature difference) stress, its stress all focuses between its sidewall and tube sheet and between tube sheet and heat exchanger tube through tube sheet, so that pipe is twisted and warped or is made pipe get loose from tube sheet, even damage heat exchanger.
Utility model content
For above-mentioned situation, for overcoming the defect of prior art, the object of the utility model is just to provide a kind of new steel structure tubular heat exchanger, effectively solves that existing horizontal heat exchanger heat-exchanging tube easily blocks, heat exchange is uneven, pipe is due to the easy distortion of heat expansion or come off from tube sheet so that damage the problem of heat exchanger.
Its solution is, comprises by front, after, left, the heat exchange cavity that right wallboard is formed, heat exchange cavity upper end is provided with left arch cavity and right arch cavity, and heat exchange cavity top and bottom are provided with on first from left to right successively, lower perforated plate, on second, on lower perforated plate and the 3rd, lower perforated plate, on first, lower perforated plate, on second on lower perforated plate and the 3rd, the both sides, front and back of lower perforated plate are connected to the wallboard upper end of heat exchange cavity respectively through the first expansion joint, on first, on the left of lower perforated plate and on second, the right side of lower perforated plate is connected on heat exchange cavity, on first through the first expansion joint respectively, lower perforated plate and second connects, on second through the second expansion joint between lower perforated plate, on lower perforated plate and the 3rd, connect through the 3rd expansion joint between lower perforated plate, left arch cavity is fixed in the first upper perforated plate upper end, and right arch cavity is fixed on the second upper perforated plate and the 3rd upper perforated plate upper end, the first lower perforated plate, second lower perforated plate is connected smoke extraction chamber with the 3rd lower perforated plate lower end, and smoke extraction chamber is provided with air-introduced machine, and air-introduced machine connects chimney, on, be provided with multiple heat exchanger tube between lower perforated plate, left arch cavity and right arch cavity are respectively equipped with into mouth, and two ends, heat exchanging chamber body length direction are respectively equipped with cold wind import and hot-blast outlet.
The utility model thermal efficiency is high, and security performance is good, and the life-span is long, and flue gas is unimpeded not easily to be blocked.
Accompanying drawing explanation
Fig. 1 is the main TV structure figure of the utility model.
Fig. 2 is the utility model left view.
Fig. 3 is A portion enlarged drawing in Fig. 1.
Fig. 4 is B portion enlarged drawing in Fig. 1.
Fig. 5 is C portion enlarged drawing in Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Provided by Fig. 1 to Fig. 5, the utility model comprises by front, after, left, the heat exchange cavity 1 that right wallboard is formed, heat exchange cavity 1 upper end is provided with left arch cavity 2 and right arch cavity 3, and heat exchange cavity 1 top and bottom are provided with on first from left to right successively, lower perforated plate 4a4b, on second, on lower perforated plate 5a5b and the 3rd, lower perforated plate 6a6b, on first, lower perforated plate 4a4b, on second on lower perforated plate 5a5b and the 3rd, the both sides, front and back of lower perforated plate 6a6b are connected to the wallboard upper end of heat exchange cavity 1 respectively through the first expansion joint 7, on first, on the left of lower perforated plate 4a4b and on second, the right side of lower perforated plate 5a5b is connected on heat exchange cavity 1, on first through the first expansion joint 7 respectively, lower perforated plate 4a4b and second connects, on second through the second expansion joint 8 between lower perforated plate 5a5b, on lower perforated plate 5a5b and the 3rd, connect through the 3rd expansion joint 9 between lower perforated plate 6a6b, left arch cavity 2 is fixed in the first upper perforated plate 4a upper end, and right arch cavity 3 is fixed on the second upper perforated plate 5a and the 3rd upper perforated plate 6a upper end, the first lower perforated plate 4b, second lower perforated plate 5b is connected smoke extraction chamber 10 with the 3rd lower perforated plate 6b lower end, and smoke extraction chamber 10 is provided with air-introduced machine 11, and air-introduced machine 11 connects chimney, on, be provided with multiple heat exchanger tube 12 between lower perforated plate, left arch cavity 2 and right arch cavity 3 are respectively equipped with into mouth 13, and heat exchange cavity 1 length direction two ends are respectively equipped with cold wind import 14 and hot-blast outlet 15.
Described first expansion joint 7 is " factory " font expansion joint, and it in swinging to placement, is that forward is placed when upper perforated plate is connected with the wallboard of heat exchange cavity 1 when lower perforated plate is connected with the wallboard of heat exchange cavity 1.
Described second expansion joint 8 is provided with the V-type expansion joint of flanging for two ends.
Described 3rd expansion joint 9 is Ω type expansion joint.
Described smoke extraction chamber is provided with shoot door.
The end, both sides of described V-type expansion joint is provided with horizontal flanging, and V-type expansion joint links together through flanging and tube sheet.
Affixed by welding manner between upper and lower tube sheet and the first expansion joint 7 in the utility model, add band by bolt between first expansion joint 7 and wallboard to connect, connected by bolt and band 16 between arch cavity and upper perforated plate, connect through bolt and band between upper perforated plate and smoke extraction chamber 10, ensure its sealing.
When the utility model uses, flue gas enters left arch chamber 2 and right arch chamber 3 from entering mouth 13, then enter in heat exchanger tube 12, enter in smoke extraction chamber 10 again, then discharged through chimney by the air-introduced machine 11 be connected with smoke extraction chamber 10, cold wind enters from cold wind import 14, middle through multiple heat exchanger tube 12, carry out heat exchange with the flue gas in heat exchanger tube 12, be heated into hot blast and flow out from hot-blast outlet 15.
Heat exchanger tube 12 of the present utility model is vertically arranged, its cigarette ash can be fallen in smoke extraction chamber 10, avoid the shortcoming of traditional horizontal heat exchanger tube flue blockage, it is provided with three tube sheets, and connect through expansion joint between three tube sheets, free expanding degree is high, avoids tube sheet excessive expansion damage equipment and pipe twist and warping or pipe is got loose from tube sheet, even damage heat exchanger to be provided with two and to enter mouth, make into cigarette more even.
The utility model thermal efficiency is high, and security performance is good, and the life-span is long, and flue gas is unimpeded not easily to be blocked.
Claims (4)
1. a new steel structure heat exchanger, comprise by front, after, left, the heat exchange cavity (1) that right wallboard is formed, it is characterized in that, heat exchange cavity (1) upper end is provided with left arch cavity (2) and right arch cavity (3), heat exchange cavity (1) top and bottom are provided with on first from left to right successively, lower perforated plate (4a) (4b), on second, on lower perforated plate (5a) (5b) and the 3rd, lower perforated plate (6a) (6b), on first, lower perforated plate (4a) (4b), on second on lower perforated plate (5a) (5b) and the 3rd, the both sides, front and back of lower perforated plate (6a) (6b) are connected to the wallboard upper end of heat exchange cavity (1) respectively through the first expansion joint (7), on first, on lower perforated plate (4a) (4b) left side and second, the right side of lower perforated plate (5a) (5b) is connected on heat exchange cavity (1) through the first expansion joint (7) respectively, on first, lower perforated plate (4a) (4b) and second connects through the second expansion joint (8) between lower perforated plate (5a) (5b), on second, on lower perforated plate (5a) (5b) and the 3rd, connect through the 3rd expansion joint (9) between lower perforated plate (6a) (6b), left arch cavity (2) is fixed in first upper perforated plate (4a) upper end, right arch cavity (3) is fixed on the second upper perforated plate (5a) and the 3rd upper perforated plate (6a) upper end, first lower perforated plate (4b), second lower perforated plate (5b) is connected smoke extraction chamber (10) with the 3rd lower perforated plate (6b) lower end, smoke extraction chamber (10) is provided with air-introduced machine (11), air-introduced machine (11) connects chimney, on, multiple heat exchanger tube (12) is provided with between lower perforated plate, left arch cavity (2) and right arch cavity (3) are respectively equipped with into mouth (13), heat exchange cavity (1) length direction two ends are respectively equipped with cold wind import (14) and hot-blast outlet (15).
2. a kind of new steel structure heat exchanger according to claim 1, it is characterized in that, described first expansion joint (7) is " factory " font expansion joint, it in swinging to placement, is that forward is placed when upper perforated plate is connected with the wallboard of heat exchange cavity (1) when lower perforated plate is connected with the wallboard of heat exchange cavity (1).
3. a kind of new steel structure heat exchanger according to claim 1, is characterized in that, described second expansion joint (8) is provided with the V-type expansion joint of flanging for two ends.
4. a kind of new steel structure heat exchanger according to claim 1, is characterized in that, described 3rd expansion joint (9) is Ω type expansion joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420470562.8U CN204115529U (en) | 2014-08-20 | 2014-08-20 | A kind of new steel structure tubular heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420470562.8U CN204115529U (en) | 2014-08-20 | 2014-08-20 | A kind of new steel structure tubular heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204115529U true CN204115529U (en) | 2015-01-21 |
Family
ID=52332830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420470562.8U Expired - Fee Related CN204115529U (en) | 2014-08-20 | 2014-08-20 | A kind of new steel structure tubular heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204115529U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104667833A (en) * | 2015-03-24 | 2015-06-03 | 江苏凯茂石化科技有限公司 | Large-span high-yield formaldehyde oxidizer |
| CN104689766A (en) * | 2015-03-24 | 2015-06-10 | 江苏凯茂石化科技有限公司 | Dry-burning preventing and long-service-life formaldehyde oxygenizer |
| CN104772080A (en) * | 2015-03-24 | 2015-07-15 | 江苏凯茂石化科技有限公司 | Over 120000 ton level long-life formaldehyde oxidation device |
-
2014
- 2014-08-20 CN CN201420470562.8U patent/CN204115529U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104667833A (en) * | 2015-03-24 | 2015-06-03 | 江苏凯茂石化科技有限公司 | Large-span high-yield formaldehyde oxidizer |
| CN104689766A (en) * | 2015-03-24 | 2015-06-10 | 江苏凯茂石化科技有限公司 | Dry-burning preventing and long-service-life formaldehyde oxygenizer |
| CN104772080A (en) * | 2015-03-24 | 2015-07-15 | 江苏凯茂石化科技有限公司 | Over 120000 ton level long-life formaldehyde oxidation device |
| CN104772080B (en) * | 2015-03-24 | 2017-10-31 | 江苏凯茂石化科技有限公司 | A kind of oxidation of formaldehyde device |
| CN104689766B (en) * | 2015-03-24 | 2017-10-31 | 江苏凯茂石化科技有限公司 | A kind of dry-combustion-proof long-life oxidation of formaldehyde device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20190820 |