CN217653837U - Boiler flue gas preheats recycle device - Google Patents
Boiler flue gas preheats recycle device Download PDFInfo
- Publication number
- CN217653837U CN217653837U CN202220121179.6U CN202220121179U CN217653837U CN 217653837 U CN217653837 U CN 217653837U CN 202220121179 U CN202220121179 U CN 202220121179U CN 217653837 U CN217653837 U CN 217653837U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- heat
- exchange tube
- flue gas
- boiler flue
- Prior art date
- 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.)
- Expired - Fee Related
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000003546 flue gas Substances 0.000 title claims abstract description 37
- 239000000428 dust Substances 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000004064 recycling Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000779 smoke Substances 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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- Air Supply (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model belongs to the technical field of indirect heating equipment, especially, be a boiler flue gas preheats recycle device, the power distribution box comprises a box body, be equipped with heat exchange assembly in the box, heat exchange assembly is including the heat exchange tube that coils, the both ends of heat exchange tube are the heat exchange tube, and two heat exchange tubes all extend to outside the box, the non-department of buckling of heat exchange tube rotates the cover and is equipped with the clean subassembly of heat conduction of a plurality of increases and flue gas area of contact, the pivoted the clean subassembly of heat conduction can strike off the dust on heat exchange tube surface. The utility model discloses the smoke and dust of behaviour and being convenient for to heat exchange tube surface is clear away, ensures that the heat conduction effect of heat exchange tube can not receive the influence of smoke and dust, ensures to possess the heat conduction effect of preferred all the time at long-time heat transfer in-process.
Description
Technical Field
The utility model relates to a indirect heating equipment technical field especially relates to a boiler flue gas preheats recycle device.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy.
The heat exchange device for preheating and recycling boiler flue gas at present has the advantages that high-temperature flue gas is in contact with the heat exchange tube for a long time, thick flue gas is easily wrapped on the heat exchange tube, heat of the high-temperature flue gas cannot be completely transferred to the heat exchange tube due to the obstruction of the flue gas, so that the heat recycling efficiency is reduced, and therefore, the heat exchange device for preheating and recycling boiler flue gas is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a boiler flue gas preheating and recycling device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a boiler flue gas preheats recycle device, includes the box, be equipped with heat exchange assembly in the box, heat exchange assembly is including the heat exchange tube that coils, the both ends of heat exchange tube are the heat exchange tube, and two heat exchange tubes all extend to outside the box, the non-department of buckling of heat exchange tube rotates the heat conduction clean subassembly that the cover was equipped with a plurality of increases and flue gas area of contact, and is pivoted the clean subassembly of heat conduction can strike off the dust on heat exchange tube surface.
Preferably, the two water pipes are fixedly provided with high-temperature-resistant sealing rings, and the high-temperature-resistant sealing rings penetrate through the box body and are fixedly connected with the box body.
Preferably, the heat-conducting cleaning assembly comprises a heat-conducting cleaning strip which is rotatably sleeved on the heat exchange tube, paddles are fixedly mounted at two ends of the heat-conducting cleaning strip, and the two paddles are rotatably sleeved on the paddles.
Preferably, the thermally conductive cleaning strip is spirally wound.
Preferably, the heat-conducting cleaning strip is uniformly coated with a heat-conducting coating.
Preferably, the outer edge of the heat conducting cleaning strip is fixedly provided with a spiral scraper, and the scraper and the heat exchange tube are connected together in a sliding manner.
Preferably, the top and the bottom of the box body are respectively provided with an air inlet pipe and an air outlet pipe.
Compared with the prior art, the beneficial effects of the utility model are that: when the device is used, one of the heat exchange tubes is connected with the water inlet, the other heat exchange tube is connected into the boiler, high-temperature flue gas generated by the boiler is connected into the air inlet tube, in the process that the inlet water enters the boiler through the coiled heat exchange tubes, the high-temperature flue gas is in contact with the heat exchange tubes in the box body, the inlet water in the heat exchange tubes is heated, the temperature of the inlet water in the boiler is increased, the heating time of the water in the boiler is shortened, the temperature-reduced flue gas is finally discharged from the air outlet tube, when the heat exchange tubes are covered with excessive smoke dust to influence the heat exchange effect, the blades can be blown from one side through the high-pressure air gun, the blades rotate along with high-pressure air flow and drive the heat-conducting cleaning strips to rotate on the heat exchange tubes, the heat-conducting cleaning strips can scrape off the smoke dust wrapped on the heat exchange tubes, and the heat-conducting effect of the heat exchange tubes is not influenced.
The utility model discloses the smoke and dust of behaviour and being convenient for to heat exchange tube surface is clear away, ensures that the heat conduction effect of heat exchange tube can not receive the influence of smoke and dust, ensures to possess the heat conduction effect of preferred all the time at long-time heat transfer in-process.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the heat exchange assembly and a plurality of heat-conducting cleaning assemblies of the present invention;
FIG. 3 is a schematic structural view of the heat conducting cleaning assembly and the heat exchange tube of the present invention;
fig. 4 is a schematic structural view of the middle heat-conducting cleaning strip of the present invention.
In the figure: 1. a box body; 11. an air inlet pipe; 12. an air outlet pipe; 2. a heat exchange assembly; 21. a heat exchange pipe; 22. a water delivery pipe; 3. a thermally conductive cleaning assembly; 31. a paddle; 32. a thermally conductive cleaning strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a boiler flue gas preheats recycle device, includes box 1, is equipped with heat exchange assembly 2 in the box 1, and heat exchange assembly 2 is including the heat exchange tube 21 that coils, and the both ends of heat exchange tube 21 are heat exchange tube 21, and outside two heat exchange tubes 21 all extended to box 1, the non-department of buckling of heat exchange tube 21 rotated the cover and is equipped with the clean subassembly 3 of heat conduction of a plurality of increases and flue gas area of contact, and the clean subassembly 3 of pivoted heat conduction can strike off the dust on heat exchange tube 21 surface.
The two water pipes 22 are fixedly provided with high temperature resistant sealing rings which penetrate through the box body 1 and are fixedly connected with the box body 1.
Further, through setting up high temperature resistant sealing washer can strengthen the sealing performance of being connected between raceway 22 and the box 1, ensure that the high temperature flue gas can not flow from the joint line between raceway 22 and the box 1.
The heat conducting cleaning assembly 3 comprises a heat conducting cleaning strip 32 which is rotatably sleeved on the heat exchange tube 21, paddles 31 are fixedly mounted at two ends of the heat conducting cleaning strip 32, and the two paddles 31 are rotatably sleeved on the paddles 31.
The thermally conductive cleaning strips 32 are in the form of a spiral coil.
Further, since the heat conductive cleaning strips 32 are spirally wound, the heat conductive cleaning strips 32 can be rotated more smoothly when the paddle 31 is rotated.
The thermally conductive cleaning strips 32 are uniformly coated with a thermally conductive coating.
Further, the heat of the heat conducting cleaning strips 32 can be transferred to the heat exchange tube 21 through the heat conducting coating, so that the contact area between the heat exchange tube 21 and high-temperature flue gas can be increased, and the heat exchange effect of the heat exchange tube 21 is improved.
The outer edge of the heat conducting cleaning strip 32 is fixedly provided with a spiral scraper which is connected with the heat exchange tube 21 in a sliding way.
Further, the spiral scraper can rotate along with the heat conducting cleaning strip 32 to scrape off the smoke on the surface of the heat exchange tube 21, so that the heat conducting effect of the heat exchange tube 21 is not affected by the smoke.
The top and the bottom of the box body 1 are respectively provided with an air inlet pipe 11 and an air outlet pipe 12.
Further, through setting up the intake pipe 11 in the top of outlet duct 12, in high temperature flue gas passed through intake pipe 11 and got into box 1, high temperature flue gas at first floated in the inner wall top of box 1, and also can wrap up coiled heat exchange tube 21 completely along with high temperature flue gas fills up box 1 completely, and later the lower flue gas of temperature is discharged from outlet duct 12 of below again, has improved the dwell time of high temperature flue gas in box 1.
The working principle is as follows: when the device is used, one of the heat exchange tubes 21 is connected with a water inlet, the other heat exchange tube 21 is connected into a boiler, high-temperature flue gas generated by the boiler is connected into the air inlet tube 11, when water enters the boiler through the coiled heat exchange tube 21, the high-temperature flue gas contacts with the heat exchange tube 21 in the box body 1, so that the water entering the heat exchange tube 21 is heated, the temperature of the water entering the boiler can be increased, the heating time of the water in the boiler is shortened, then the flue gas with the decreased temperature is finally discharged from the air outlet tube 12, when the heat exchange tube 21 is covered with excessive smoke dust to influence the heat exchange effect, the blades 31 can be blown from one side through the high-pressure air gun, the blades 31 rotate along with high-pressure air flow and drive the heat-conducting cleaning strips 32 to rotate on the heat exchange tubes 21, the heat-conducting cleaning strips 32 can scrape off the smoke dust wrapped on the heat exchange tubes 21, and the heat-conducting effect of the heat exchange tubes 21 is not influenced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a boiler flue gas preheats recycle device, includes box (1), its characterized in that: be equipped with heat exchange assemblies (2) in box (1), heat exchange assemblies (2) are including heat exchange tube (21) that coil, the both ends of heat exchange tube (21) are heat exchange tube (21), and outside two heat exchange tubes (21) all extended to box (1), the non-of buckling department of heat exchange tube (21) rotates the heat conduction clean subassembly (3) that the cover was equipped with a plurality of increases and flue gas area of contact, the pivoted the dust on heat conduction clean subassembly (3) can strike off heat exchange tube (21) surface.
2. The boiler flue gas preheating and recycling device according to claim 1, characterized in that: and the two water pipes (22) are fixedly provided with high-temperature-resistant sealing rings which penetrate through the box body (1) and are fixedly connected with the box body (1).
3. The boiler flue gas preheating and recycling device according to claim 1, characterized in that: clean subassembly (3) of heat conduction establish heat conduction clean strip (32) on heat exchange tube (21) including rotating the cover, the equal fixed mounting in both ends of heat conduction clean strip (32) has paddle (31), and two paddle (31) all rotate the cover and establish on paddle (31).
4. The boiler flue gas preheating and recycling device according to claim 3, characterized in that: the heat-conducting cleaning strip (32) is spirally coiled.
5. The boiler flue gas preheating and recycling device according to claim 3, characterized in that: the heat-conducting cleaning strips (32) are uniformly coated with heat-conducting coatings.
6. The boiler flue gas preheating and recycling device according to claim 3, characterized in that: the outer edge of the heat conduction cleaning strip (32) is fixedly provided with a spiral scraper, and the scraper is connected with the heat exchange tube (21) in a sliding manner.
7. The boiler flue gas preheating and recycling device according to claim 1, characterized in that: the top and the bottom of the box body (1) are respectively provided with an air inlet pipe (11) and an air outlet pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220121179.6U CN217653837U (en) | 2022-01-18 | 2022-01-18 | Boiler flue gas preheats recycle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220121179.6U CN217653837U (en) | 2022-01-18 | 2022-01-18 | Boiler flue gas preheats recycle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217653837U true CN217653837U (en) | 2022-10-25 |
Family
ID=83659910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220121179.6U Expired - Fee Related CN217653837U (en) | 2022-01-18 | 2022-01-18 | Boiler flue gas preheats recycle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217653837U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231993A (en) * | 2023-11-01 | 2023-12-15 | 江苏大信环境科技有限公司 | Anti-corrosion anti-blocking RTO system for fine chemical tail gas |
| CN117231993B (en) * | 2023-11-01 | 2024-06-07 | 江苏大信环境科技有限公司 | Anti-corrosion anti-blocking RTO system for fine chemical tail gas |
-
2022
- 2022-01-18 CN CN202220121179.6U patent/CN217653837U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231993A (en) * | 2023-11-01 | 2023-12-15 | 江苏大信环境科技有限公司 | Anti-corrosion anti-blocking RTO system for fine chemical tail gas |
| CN117231993B (en) * | 2023-11-01 | 2024-06-07 | 江苏大信环境科技有限公司 | Anti-corrosion anti-blocking RTO system for fine chemical tail gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20221025 |