CN216244915U - Waste heat recovery device of natural gas hot blast stove - Google Patents
Waste heat recovery device of natural gas hot blast stove Download PDFInfo
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- CN216244915U CN216244915U CN202122877504.XU CN202122877504U CN216244915U CN 216244915 U CN216244915 U CN 216244915U CN 202122877504 U CN202122877504 U CN 202122877504U CN 216244915 U CN216244915 U CN 216244915U
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Abstract
The utility model discloses a waste heat recovery device of a natural gas hot blast stove, which comprises a shell, wherein the center of the side wall of the shell is fixedly connected with an air inlet for being connected with an air outlet of the hot blast stove, the center of the side wall of the shell, which is far away from the air inlet, is fixedly connected with an air outlet for recycling the treated waste heat, the center of the top of the shell is in bolted connection with a sealing plate for sealing the waste heat inside, and the inner wall of the shell is fixedly connected with a heat preservation layer for facilitating the heat preservation of the waste heat inside the shell. According to the utility model, the filtering device is arranged in the recovery device, so that impurities in waste heat discharged by the hot blast stove are filtered, and the air port adjusting device is arranged at the bottom of the recovery device, so that the waste heat can be controlled in temperature when used, and therefore, the waste heat can be conveniently and directly used, the later-stage processing is reduced, and the use efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of hot blast stove waste heat recovery application, in particular to a natural gas hot blast stove waste heat recovery device.
Background
The hot blast stove is a heat power machine, is widely applied in China at the end of the 70 th 20 th century, becomes an upgrading product of an electric heat source and a traditional steam power heat source in many industries, has multiple varieties and complete series, is divided into a hand-burning mode and a machine-burning mode by a coal feeding mode, is divided into a coal furnace, an oil furnace, a gas furnace and the like by fuel types, and has the effect of saving energy because energy conservation and emission reduction are advocated at present.
When the natural gas hot blast stove is used, a large amount of heat is lost, the resources of the natural gas hot blast stove are wasted in long-time use, the use cost of the hot blast stove is increased, and meanwhile, the waste heat is required to be further processed after being recovered, so that the processing cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a waste heat recovery device of a natural gas hot blast stove, wherein a filtering device is arranged in the recovery device, so that impurities in waste heat discharged by the hot blast stove are filtered, and an air port adjusting device is arranged at the bottom of the recovery device, so that the waste heat can be controlled in temperature when used, and therefore, the waste heat can be directly used, the later-stage processing is reduced, and the use efficiency is improved.
In order to solve the technical problems, the utility model adopts a technical scheme that: the waste heat recovery device of the natural gas hot blast stove comprises a shell, wherein an air inlet is fixedly connected to the center of the side wall of the shell and used for being connected with an air outlet of the hot blast stove, an air outlet is fixedly connected to the center of the side wall of the shell, which is far away from the air inlet, and used for recycling the processed waste heat, a sealing plate is connected to the center of the top of the shell through a bolt and used for sealing the internal waste heat, a heat preservation layer is fixedly connected to the inner wall of the shell, so that the heat preservation of the internal waste heat of the shell is facilitated, and an air exhaust assembly is arranged on the inner wall of the shell, which is close to the air outlet;
the exhaust assembly comprises a guide shell, an exhaust fan is fixedly connected inside the guide shell, and the rotation of the exhaust fan drives the flow of internal air, so that the utilization efficiency of waste heat is improved;
the inner bottom of the shell is provided with a heat exchange core close to the middle part for mixing and adjusting hot air and cold air, a fixing frame is attached to the position, close to the side wall of the heat exchange core, of the inner bottom of the shell, cold air can enter the shell conveniently, the hot air and the cold air can be mixed conveniently, a clamping frame is attached to the side wall, close to the fixing frame, of the inner bottom of the shell and used for fixing the position of the filtering frame, the filtering frame is connected to the inner wall of the clamping frame in a clamping mode and used for filtering impurities in the hot air, and a collecting box is connected to the side wall, close to the clamping frame, of the inner bottom of the shell in a clamping mode and used for storing filtered particle dust and cleaning the particle dust conveniently;
the bottom of the shell is provided with a slotted hole close to the side wall, so that the adjusting plate can slide conveniently, and the inner wall of the slotted hole is connected with the adjusting plate in a sliding manner and used for adjusting the caliber of the slotted hole.
Preferably, the lateral wall of casing is close to top position symmetry fixedly connected with installation piece, and is a plurality of the mounting hole has all been seted up to the center department of installation piece, is convenient for carry out the installation of position fixedly to whole recovery unit.
Preferably, the positions, close to the side walls, of the sealing plates are symmetrically provided with grooves, so that the sealing plates can be conveniently mounted and dismounted.
Preferably, the heat preservation layer is a glass wool board material and is used for preserving heat of the interior of the recovery device.
Preferably, the air outlet port of the guide shell extends to the inside of the air outlet, so that the recovered waste heat can be completely led out.
Preferably, the mount has a plurality of baffles to constitute, and all is cavity setting, a plurality of wind holes have been seted up to the lateral wall of mount, and hot-blast and cold wind of being convenient for mix to reduce the temperature of used heat.
Preferably, the inner wall of the slot hole is fixedly connected with a dust screen, so that dust can be conveniently filtered from outside air.
The utility model has the following beneficial effects:
1. the waste heat recovery device of the natural gas hot blast stove is connected to the waste heat discharge port of the hot blast stove, so that the waste heat recovery device can be used, and the waste of resources is reduced;
2. according to the waste heat recovery device for the natural gas hot blast stove, the filtering device is arranged in the recovery device, so that the exhausted waste heat is filtered, the waste heat is fully utilized, meanwhile, the air flowing speed in the waste heat recovery device is accelerated by using the worm wheel, and the utilization rate is improved;
3. according to the waste heat recovery device of the natural gas hot blast stove, the temperature adjusting device is arranged at the bottom of the recovery device, so that waste heat can be adjusted according to the use temperature when used, and meanwhile, the heat insulation layer is arranged on the inner wall of the shell, so that the entering waste heat is not easy to cool.
Drawings
FIG. 1 is a schematic structural diagram of a waste heat recovery device of a natural gas hot blast stove according to the present invention;
FIG. 2 is a cross-sectional view of a natural gas hot blast stove waste heat recovery device of the present invention;
FIG. 3 is a bottom view of a natural gas hot blast stove waste heat recovery device of the present invention;
fig. 4 is a structural diagram of a fixing frame in the waste heat recovery device of the natural gas hot blast stove.
In the figure: 1. a housing; 11. an air inlet; 12. an air outlet; 13. mounting blocks; 2. a sealing plate; 21. a groove; 3. a heat-insulating layer; 4. a guide housing; 41. an exhaust fan; 5. a heat exchange core; 6. a fixed mount; 61. a wind hole; 7. a clamping frame; 71. a filter frame; 8. a collection box; 9. a slot; 91. a dust screen; 10. an adjusting plate.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
Please refer to fig. 1, a waste heat recovery device for a natural gas hot blast stove, which comprises a housing 1, wherein the side wall of the housing 1 is close to the top symmetrical and fixedly connected with mounting blocks 13, the center of the mounting blocks 13 is provided with a mounting hole, the whole recovery device is convenient to install and fix, the center of the side wall of the housing 1 is fixedly connected with an air inlet 11 for connecting with an air outlet of the hot blast stove, the center of the side wall of the housing 1 is far away from the air inlet 11 is fixedly connected with an air outlet 12 for recycling the processed waste heat, the top center of the housing 1 is connected with a sealing plate 2 by a bolt, the internal waste heat is sealed, the sealing plate 2 is close to the side wall symmetrical and provided with a groove 21, and the sealing plate 2 is convenient to install and disassemble.
As shown in fig. 2 and 4, the inner wall of the casing 1 is fixedly connected with a heat insulating layer 3, so that waste heat in the casing 1 can be conveniently insulated, the heat insulating layer 3 is made of glass wool board and is used for insulating the interior of the recovery device, and an exhaust assembly is arranged on the inner wall of the casing 1 near the air outlet 12;
the exhaust assembly comprises a guide shell 4, an air outlet port of the guide shell 4 extends to the inside of the air outlet 12, so that the recovered waste heat can be conveniently and completely led out, an exhaust fan 41 is fixedly connected to the inside of the guide shell 4, and the rotation of the exhaust fan 41 drives the flow of the internal air, so that the utilization efficiency of the waste heat is improved;
the position of the inner bottom of the shell 1, which is close to the middle part, is provided with a heat exchange core 5 for mixing and adjusting hot air and cold air, the position of the inner bottom of the shell 1, which is close to the side wall of the heat exchange core 5, is provided with a fixing frame 6 in a fitting way, so that the cold air can enter the shell and the hot air can be mixed conveniently, the fixing frame 6 is composed of a plurality of baffles, and are all arranged in a hollow way, the side wall of the fixed frame 6 is provided with a plurality of air holes 61 which are convenient for mixing hot air and cold air, thereby reducing the temperature of waste heat, the clamping frame 7 is arranged at the inner bottom of the shell 1 close to the side wall of the fixed frame 6 in an attaching way, used for fixing the position of the filter frame 71, the inner wall of the clamping frame 7 is connected with the filter frame 71 in a clamping way, a lateral wall block that is arranged in filtering the impurity in the hot-blast, and the interior bottom of casing 1 is close to card frame 7 is connected with and collects box 8 for deposit the granule dust after filtering, conveniently clear up it.
As shown in fig. 3, a slot 9 is formed at a position of the bottom of the casing 1 near the side wall for facilitating sliding of the adjusting plate 10, a dust screen 91 is fixedly connected to an inner wall of the slot 9 for facilitating dust filtration of external wind, and the adjusting plate 10 is slidably connected to an inner wall of the slot 9 for adjusting the aperture of the slot 9.
When the natural gas hot blast stove is used, firstly, the whole shell 1 is fixed in position through the mounting block 13, then the air inlet 11 is connected with the exhaust position of the hot blast stove, then the air outlet 12 is connected with a required device, then the air flow rate inside the shell is increased through the rotation of the exhaust fan 41, so that waste heat enters the shell, the waste heat is filtered through the filter frame 71, the filtered particles and dust fall into the collecting box 8, then the slotted hole 9 is adjusted through the adjusting plate 10, at the moment, outside cold air enters the fixing frame 6 through the dustproof net 91 and then enters the heat exchange core 5 together with the waste heat, so that the temperature of the waste heat is adjusted, meanwhile, the temperature inside the heat insulation layer 3 cannot be slowly reduced, and finally the waste heat can be discharged from the air outlet 12 through the guide shell 4, therefore, the waste heat recovery device of the natural gas hot blast stove provided by the utility model not only is convenient for recovering and utilizing the waste heat, it can also be regulated at different temperatures.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a natural gas hot-blast furnace waste heat recovery device, includes casing (1), its characterized in that: an air inlet (11) is fixedly connected to the center of the side wall of the shell (1), an air outlet (12) is fixedly connected to the center of the side wall of the shell (1) far away from the air inlet (11), a sealing plate (2) is connected to the center of the top of the shell (1) through a bolt, a heat insulation layer (3) is fixedly connected to the inner wall of the shell (1), and an air exhaust assembly is arranged on the inner wall of the shell (1) close to the air outlet (12);
the air exhaust assembly comprises a guide shell (4), and an exhaust fan (41) is fixedly connected inside the guide shell (4);
a heat exchange core (5) is arranged at the position, close to the middle, of the inner bottom of the shell (1), a fixing frame (6) is attached to the position, close to the side wall of the heat exchange core (5), of the inner bottom of the shell (1), a clamping frame (7) is attached to the position, close to the side wall of the fixing frame (6), of the inner bottom of the shell (1), a filtering frame (71) is connected to the inner wall of the clamping frame in a clamping mode, and a collecting box (8) is connected to the side wall, close to the clamping frame (7), of the inner bottom of the shell (1) in a clamping mode;
the bottom of the shell (1) is provided with a slotted hole (9) close to the side wall, and the inner wall of the slotted hole (9) is connected with an adjusting plate (10) in a sliding manner.
2. The waste heat recovery device of the natural gas hot blast stove according to claim 1, characterized in that: the lateral wall of casing (1) is close to top position symmetry fixedly connected with installation piece (13), and is a plurality of the mounting hole has all been seted up in the center department of installation piece (13).
3. The waste heat recovery device of the natural gas hot blast stove according to claim 1, characterized in that: the positions, close to the side walls, of the sealing plates (2) are symmetrically provided with grooves (21).
4. The waste heat recovery device of the natural gas hot blast stove according to claim 1, characterized in that: the heat preservation layer (3) is made of glass wool board.
5. The waste heat recovery device of the natural gas hot blast stove according to claim 1, characterized in that: the air outlet port of the guide shell (4) extends to the inside of the air outlet (12).
6. The waste heat recovery device of the natural gas hot blast stove according to claim 1, characterized in that: the fixing frame (6) is provided with a plurality of baffles which are arranged in a hollow mode, and a plurality of air holes (61) are formed in the side wall of the fixing frame (6).
7. The waste heat recovery device of the natural gas hot blast stove according to claim 1, characterized in that: the inner wall of the slotted hole (9) is fixedly connected with a dust screen (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122877504.XU CN216244915U (en) | 2021-11-23 | 2021-11-23 | Waste heat recovery device of natural gas hot blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122877504.XU CN216244915U (en) | 2021-11-23 | 2021-11-23 | Waste heat recovery device of natural gas hot blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216244915U true CN216244915U (en) | 2022-04-08 |
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ID=80955571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122877504.XU Active CN216244915U (en) | 2021-11-23 | 2021-11-23 | Waste heat recovery device of natural gas hot blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216244915U (en) |
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2021
- 2021-11-23 CN CN202122877504.XU patent/CN216244915U/en active Active
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