CN220437204U - Automatic ash-cleaning heat exchanger - Google Patents
Automatic ash-cleaning heat exchanger Download PDFInfo
- Publication number
- CN220437204U CN220437204U CN202321088723.2U CN202321088723U CN220437204U CN 220437204 U CN220437204 U CN 220437204U CN 202321088723 U CN202321088723 U CN 202321088723U CN 220437204 U CN220437204 U CN 220437204U
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- Prior art keywords
- heat exchanger
- wall
- outer box
- box body
- plate
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- 238000004140 cleaning Methods 0.000 title description 7
- 238000007790 scraping Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 6
- 125000004122 cyclic group Chemical group 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an automatic ash-removing heat exchanger, which comprises a heat exchanger outer box body and an ash-removing mechanism arranged in the heat exchanger outer box body, wherein the ash-removing mechanism comprises a working assembly, a connecting assembly and an ash-removing assembly; the working assembly comprises a cylinder, a telescopic plate and a connecting plate, wherein the outer wall of the outer box body of the heat exchanger is fixedly connected with the cylinder, the output end of the cylinder is provided with the telescopic plate which is in sliding connection with the outer wall of the outer box body of the heat exchanger, and the outer wall of the telescopic plate is fixedly connected with the connecting plate which is in sliding connection with the inner wall of the outer box body of the heat exchanger; according to the utility model, the scraping plates are arranged, the expansion plate slides to drive the connecting plates to synchronously slide, the expansion plate slides to drive the pull ropes to move through the first connecting lugs, the scraping plates at one end of the second connecting lugs are driven by the pull ropes to slide along the inner walls of the finned tubes through the eye bolts, and the spiral scraping plates reciprocate, so that the dust and putty accumulated on the inner walls of the finned tubes are removed.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to an automatic ash-removing heat exchanger.
Background
The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, also called heat exchanger, which plays an important role in chemical industry, petroleum, power, food and other industrial production, and can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry.
However, when the existing heat exchanger is used, impurities such as dust and putty are often contained in hot air, and after the heat exchanger works for a period of time, the impurities can be accumulated in the fin tube, so that heat loss is caused, the gas to be preheated cannot be effectively heated, the use requirements of people are not met, and the automatic ash removal heat exchanger is needed.
Disclosure of Invention
In order to solve the defect of the prior art that the inside of the finned tube is piled with putty, the utility model provides an automatic ash-removing heat exchanger.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model discloses an automatic ash-removing heat exchanger, which comprises a heat exchanger outer box body and an ash-removing mechanism arranged in the heat exchanger outer box body, wherein the ash-removing mechanism comprises a working assembly, a connecting assembly and an ash-removing assembly;
the working assembly comprises a cylinder, a telescopic plate and a connecting plate, wherein the outer wall of the outer box body of the heat exchanger is fixedly connected with the cylinder, the output end of the cylinder is provided with the telescopic plate which is in sliding connection with the outer wall of the outer box body of the heat exchanger, and the outer wall of the telescopic plate is fixedly connected with the connecting plate which is in sliding connection with the inner wall of the outer box body of the heat exchanger;
the connecting assembly comprises a first connecting lug, a pull rope, an eye bolt and a second connecting lug, wherein the first connecting lug is fixedly connected to the outer wall of the connecting plate, the pull rope is arranged on the outer wall of the first connecting lug, the eye bolt fixedly connected with the inner wall of the outer box body of the heat exchanger is arranged on the outer wall of the pull rope, and the second connecting lug is fixedly connected to one end of the pull rope;
the ash removal assembly comprises a scraping plate, a finned tube and an air baffle plate, wherein one end of the second connecting lug is fixedly connected with the scraping plate, the finned tube is sleeved outside the scraping plate, and the air baffle plate fixedly connected with the inner wall of the outer box body of the heat exchanger is fixedly connected to the outer wall of the finned tube.
As a preferable technical scheme of the utility model, an air inlet is formed in one side of the outer wall of the heat exchanger outer box body, which is positioned on the fin tube, an air outlet is formed in the outer wall of the heat exchanger outer box body, which is far away from the air inlet, a hot air inlet is formed in one end of the heat exchanger outer box body, and a hot air outlet is formed in one end of the heat exchanger outer box body, which is far away from the hot air inlet.
As a preferable technical scheme of the utility model, two groups of connecting plates are arranged, and the position relationship of the two groups of connecting plates is centrosymmetric relative to the outer box body of the heat exchanger.
As a preferable technical scheme of the utility model, the shape of the connecting plate and the shape of the air baffle are in a hole shape, and the holes of the connecting plate and the holes of the air baffle are in one-to-one correspondence.
As a preferable technical scheme of the utility model, the outer wall of the scraping plate is spiral, and the outer wall of the fin tube is provided with annular cooling fins which are distributed at equal intervals.
As a preferable technical scheme of the utility model, the scraping plate forms a sliding structure with the fin tube through the connecting plate and the pull rope.
As a preferable technical scheme of the utility model, the central axes of the hot air inlet and the hot air outlet are parallel to the central axis of the outer wall hole of the connecting plate.
The utility model has the following beneficial effects:
1. through the arrangement of the finned tube, hot air enters the outer box body of the heat exchanger through the hot air inlet, then the hot air enters the finned tube, heat in the hot air is transferred to the annular cooling fins on the outer wall of the finned tube, and meanwhile, preheated gas enters the outer box body of the heat exchanger through the air inlet to exchange heat with the heat in the annular cooling fins, so that heat exchange operation of the hot air is realized;
2. through setting up the scraper blade, the expansion plate slides and drives connecting plate synchronous slip, and the expansion plate slides and drives the stay cord motion through first engaging lug, and the stay cord motion drives the scraper blade of second engaging lug one end through eye bolt and slides along the inner wall of finned tube, through heliciform scraper blade reciprocating motion to reach the effect of clearing up the piled up dust putty of finned tube inner wall.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
FIG. 1 is a schematic diagram of the overall structure of an automatic ash removal heat exchanger of the present utility model;
FIG. 2 is a schematic diagram of the overall cross-sectional structure of the automatic ash removal heat exchanger of the present utility model;
FIG. 3 is a schematic view of the structure of a part of the inner part of the outer box of the heat exchanger of the automatic ash-cleaning heat exchanger of the utility model;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is a schematic view of the scraper and finned tube configuration of the automatic ash removal heat exchanger of the present utility model.
In the figure: 1. an outer case of the heat exchanger; 2. a cylinder; 3. a telescoping plate; 4. a connecting plate; 5. a first connection lug; 6. a pull rope; 7. an eye bolt; 8. a second connecting ear; 9. a scraper; 10. a fin tube; 11. a wind shielding plate; 12. an air inlet; 13. an air outlet; 14. a hot air inlet; 15. and a hot air outlet.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Example 1
As shown in fig. 1-5, the automatic ash-cleaning heat exchanger provided by the utility model comprises a heat exchanger outer box body 1 and an ash-cleaning mechanism arranged in the heat exchanger outer box body 1, wherein the ash-cleaning mechanism comprises a working assembly, a connecting assembly and an ash-cleaning assembly;
the working assembly comprises a cylinder 2, a telescopic plate 3 and a connecting plate 4, wherein the cylinder 2 is fixedly connected to the outer wall of the heat exchanger outer box 1, the telescopic plate 3 which is in sliding connection with the outer wall of the heat exchanger outer box 1 is installed at the output end of the cylinder 2, and the connecting plate 4 which is in sliding connection with the inner wall of the heat exchanger outer box 1 is fixedly connected to the outer wall of the telescopic plate 3;
the connecting assembly comprises a first connecting lug 5, a pull rope 6, an eye bolt 7 and a second connecting lug 8, the first connecting lug 5 is fixedly connected to the outer wall of the connecting plate 4, the pull rope 6 is arranged on the outer wall of the first connecting lug 5, the eye bolt 7 fixedly connected with the inner wall of the outer box body 1 of the heat exchanger is arranged on the outer wall of the pull rope 6, and the second connecting lug 8 is fixedly connected to one end of the pull rope 6;
the ash removal subassembly includes scraper blade 9, finned tube 10 and air baffle 11, and the one end fixedly connected with scraper blade 9 of second engaging lug 8, and finned tube 10 has been cup jointed to the outside of scraper blade 9, and the outer wall fixedly connected with of finned tube 10 and air baffle 11 of heat exchanger outer box 1 inner wall fixed connection.
Wherein, connecting plate 4 is provided with two sets of, and the positional relationship of two sets of connecting plates 4 is central symmetry about heat exchanger outer box 1, and during operation is favorable to realizing helical scraper 9 reciprocating motion's control operation through setting up two sets of connecting plates 4.
Wherein, the shape of the connecting plate 4 and the shape of the air baffle 11 are in a hole shape, the holes of the connecting plate 4 correspond to the holes of the air baffle 11 one by one, and when in operation, the holes of the connecting plate 4 and the holes of the air baffle 11 are arranged, thereby facilitating the smooth entry of hot air into the finned tube 10,
wherein, the outer wall of scraper blade 9 is the heliciform, and the outer wall of finned tube 10 is provided with the cyclic annular fin that the equidistance distributes, and during operation is through heliciform scraper blade 9 reciprocating motion to reach the effect of cleaing away to the dust putty that the finned tube 10 inner wall piled up, through setting up the cyclic annular fin of finned tube 10 outer wall, be favorable to the heat transfer in the hot-blast to the cyclic annular fin of finned tube 10 outer wall on, simultaneously, preheat gas through air intake 12 entering heat exchanger outer box 1 in with the heat in the cyclic annular fin carries out the heat exchange.
Wherein, scraper blade 9 passes through the connection plate 4 and constitutes sliding construction between stay cord 6 and the finned tube 10, and during operation, expansion plate 3 slides and drives stay cord 6 motion through first connecting lug 5, and stay cord 6 motion drives the scraper blade 9 of second connecting lug 8 one end through eye bolt 7 and slides along the inner wall of finned tube 10, realizes the gliding control operation of scraper blade 9.
Example 2
As shown in fig. 1-2, in comparison with the embodiment 1, as another embodiment of the present utility model, an air inlet 12 is formed on one side of the outer wall of the outer heat exchanger case 1, which is located on the outer wall of the finned tube 10, an air outlet 13 is formed on the outer wall of the outer heat exchanger case 1, which is far away from the air inlet 12, a hot air inlet 14 is formed on one end of the outer heat exchanger case 1, which is far away from the hot air inlet 14, a hot air outlet 15 is formed on one end of the outer heat exchanger case 1, which is far away from the hot air inlet 14, in operation, hot air enters the finned tube 10 through the hot air inlet 14, heat in the hot air is transferred to the annular fins on the outer wall of the finned tube 10, meanwhile, preheating gas enters the outer heat exchanger case 1 through the air inlet 12 to exchange heat with the heat in the annular fins, then the preheating gas is discharged from the air outlet 13, and the hot air is discharged from the hot air outlet 15, so as to realize heat exchange operation on the hot air.
The central axes of the hot air inlet 14 and the hot air outlet 15 are parallel to the central axis of the outer wall hole of the connecting plate 4, and hot air is facilitated to enter the outer box 1 of the heat exchanger through the hot air inlet 14 when the heat exchanger works, and then the hot air directly enters the finned tube 10.
When the heat exchanger is in operation, firstly, hot air enters the outer box body 1 of the heat exchanger through the hot air inlet 14, then, the hot air enters the finned tube 10, heat in the hot air is transferred to the annular radiating fins on the outer wall of the finned tube 10, meanwhile, preheated gas enters the outer box body 1 of the heat exchanger through the air inlet 12 and exchanges heat with the heat in the annular radiating fins, then, the preheated gas is discharged from the air outlet 13, and the hot air is discharged from the hot air outlet 15, so that the heat exchange operation of the hot air is realized.
Finally, as dust, putty and other impurities are always present in hot air, after the heat exchanger works for a period of time, the heat exchanger can be stacked in the finned tube 10, the cylinder 2 works to drive the expansion plate 3 to slide along the outer wall of the heat exchanger outer box 1, the expansion plate 3 slides to drive the connecting plate 4 to synchronously slide, the expansion plate 3 slides to drive the pull rope 6 to move through the first connecting lug 5, the pull rope 6 moves to drive the scraping plate 9 at one end of the second connecting lug 8 to slide along the inner wall of the finned tube 10 through the lifting bolt 7, and the spiral scraping plate 9 reciprocates, so that the dust putty accumulated on the inner wall of the finned tube 10 is removed.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides an automatic deashing heat exchanger, includes heat exchanger outer box (1) and sets up at the inside deashing mechanism of heat exchanger outer box (1), its characterized in that: the ash removing mechanism comprises a working assembly, a connecting assembly and an ash removing assembly;
the working assembly comprises a cylinder (2), a telescopic plate (3) and a connecting plate (4), wherein the cylinder (2) is fixedly connected to the outer wall of the heat exchanger outer box (1), the telescopic plate (3) which is in sliding connection with the outer wall of the heat exchanger outer box (1) is installed at the output end of the cylinder (2), and the connecting plate (4) which is in sliding connection with the inner wall of the heat exchanger outer box (1) is fixedly connected to the outer wall of the telescopic plate (3);
the connecting assembly comprises a first connecting lug (5), a pull rope (6), an eye bolt (7) and a second connecting lug (8), wherein the first connecting lug (5) is fixedly connected with the outer wall of the connecting plate (4), the pull rope (6) is arranged on the outer wall of the first connecting lug (5), the eye bolt (7) fixedly connected with the inner wall of the outer box body (1) of the heat exchanger is arranged on the outer wall of the pull rope (6), and the second connecting lug (8) is fixedly connected with one end of the pull rope (6);
the ash removal assembly comprises a scraping plate (9), a finned tube (10) and an air baffle (11), wherein one end of the second connecting lug (8) is fixedly connected with the scraping plate (9), the finned tube (10) is sleeved outside the scraping plate (9), and the air baffle (11) fixedly connected with the inner wall of the outer box body (1) of the heat exchanger is fixedly connected with the outer wall of the finned tube (10).
2. The automatic ash removal heat exchanger according to claim 1, wherein: an air inlet (12) is formed in one side, located on the fin tube (10), of the outer wall of the heat exchanger outer box body (1), an air outlet (13) is formed in the outer wall, away from the air inlet (12), of the heat exchanger outer box body (1), a hot air inlet (14) is formed in one end, away from the hot air inlet (14), of the heat exchanger outer box body (1), and a hot air outlet (15) is formed in one end, away from the hot air inlet (14), of the heat exchanger outer box body (1).
3. The automatic ash removal heat exchanger according to claim 1, wherein: the two groups of connecting plates (4) are arranged, and the position relationship of the two groups of connecting plates (4) is centrosymmetric relative to the outer box body (1) of the heat exchanger.
4. The automatic ash removal heat exchanger according to claim 1, wherein: the appearance of connecting plate (4) and the appearance of air baffle (11) are the hole form, the hole of connecting plate (4) and the hole of air baffle (11) correspond one by one.
5. The automatic ash removal heat exchanger according to claim 1, wherein: the outer wall of the scraping plate (9) is spiral, and annular cooling fins distributed at equal intervals are arranged on the outer wall of the fin tube (10).
6. The automatic ash removal heat exchanger according to claim 1, wherein: the scraping plate (9) forms a sliding structure with the fin tube (10) through the connecting plate (4) and the pull rope (6).
7. The automatic ash removal heat exchanger according to claim 2, wherein: the central axes of the hot air inlet (14) and the hot air outlet (15) are parallel to the central axis of the outer wall hole of the connecting plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321088723.2U CN220437204U (en) | 2023-05-08 | 2023-05-08 | Automatic ash-cleaning heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321088723.2U CN220437204U (en) | 2023-05-08 | 2023-05-08 | Automatic ash-cleaning heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220437204U true CN220437204U (en) | 2024-02-02 |
Family
ID=89703861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321088723.2U Active CN220437204U (en) | 2023-05-08 | 2023-05-08 | Automatic ash-cleaning heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220437204U (en) |
-
2023
- 2023-05-08 CN CN202321088723.2U patent/CN220437204U/en active Active
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