CN213984634U - Waste heat recovery device for preheating furnace - Google Patents
Waste heat recovery device for preheating furnace Download PDFInfo
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- CN213984634U CN213984634U CN202023345614.3U CN202023345614U CN213984634U CN 213984634 U CN213984634 U CN 213984634U CN 202023345614 U CN202023345614 U CN 202023345614U CN 213984634 U CN213984634 U CN 213984634U
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- waste heat
- preheating furnace
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
The utility model relates to the technical field of preheating furnaces, in particular to a waste heat recovery device for a preheating furnace, which comprises a swing mechanism, a dust removal mechanism, a heat exchange mechanism and a control mechanism; the swing mechanism is rotatably arranged in the smoke exhaust pipe and is in transmission connection with the power mechanism; the dust removing mechanism is wound on the rotating mechanism; the negative pressure mechanism is detachably connected with the smoke exhaust pipe; the heat exchange mechanism is closely attached to the outer wall of the smoke exhaust pipe. The utility model discloses an aspect is through setting up power unit, rotation mechanism, dust removal mechanism and heat transfer mechanism, can in time get rid of the smoke and dust particulate matter that adheres to on the inner wall of exhaust pipe, and thus avoid the smoke and dust to gather the phenomenon that leads to heat conduction to reduce, and then improved the waste heat recovery efficiency of preheater to a great extent; on the other hand, the arrangement of the negative pressure mechanism and the control mechanism enables the smoke and dust particles removed by the dust removal mechanism to be timely cleaned and collected, so that the phenomenon of secondary dust deposition is avoided, and the waste heat recovery efficiency of the preheating furnace is further improved.
Description
Technical Field
The utility model relates to a preheater technical field especially relates to a preheater is with waste heat recovery device.
Background
The flue gas is the main way of wasting energy of general energy consumption equipment, and flue gas waste heat recovery is mainly through some kind of heat transfer mode with the heat conversion that the flue gas carried to the heat that can utilize. However, in the prior art, the smoke dust in the flue of the preheating furnace adheres to the equipment for recovering the waste heat of the preheating furnace, so that the heat transfer efficiency is greatly reduced, the waste of heat energy is caused, and the effect of recovering the waste heat is not ideal.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a pair of waste heat recovery device for preheater to solve the equipment that is used for preheater waste heat recovery who exists among the prior art because the smoke and dust in the preheater flue adheres to, make heat transfer efficiency reduce by a wide margin, cause the waste of heat energy, thereby lead to the unsatisfactory problem of waste heat recovery effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a waste heat recovery device for a preheating furnace, which comprises a smoke exhaust pipe, a power mechanism, a swing mechanism, a dust removal mechanism, a negative pressure mechanism, a heat exchange mechanism and a control mechanism; the power mechanism is detachably arranged outside the smoke exhaust pipe; the swing mechanism is rotatably arranged in the smoke exhaust pipe and is in transmission connection with the power mechanism; the dust removing mechanism is rotatably arranged in the smoke exhaust pipe through the slewing mechanism, the dust removing mechanism is wound on the slewing mechanism, and the dust removing mechanism is in contact with the inner wall surface of the smoke exhaust pipe; the negative pressure mechanism is detachably connected with the smoke exhaust pipe; the heat exchange mechanism is sleeved on the smoke exhaust pipe, and the heat exchange mechanism is arranged in close contact with the outer wall of the smoke exhaust pipe; the control mechanism is electrically connected with the power mechanism, the negative pressure mechanism and the heat exchange mechanism.
The utility model provides a waste heat recovery device for a preheating furnace, further, the dust removal mechanism comprises a spiral dust removal body and a metal wire brush; the spiral dust removing body and the metal wire brush are rotatably arranged in the smoke exhaust pipe through the rotating mechanism; the spiral dust removing body is of a spiral sheet structure and is wound on the rotary mechanism; the metal wire brush is fixedly arranged on the outer edge of the spiral dust removing body and is in contact with the inner wall of the smoke exhaust pipe.
The utility model provides a waste heat recovery device for a preheating furnace, further, the heat exchange mechanism comprises a heat exchange main body, a cold medium inlet and a cold medium outlet; the heat exchange main body is sleeved on the smoke exhaust pipe, and the heat exchange main body is tightly attached to the outer wall of the smoke exhaust pipe; the cold medium inlet is fixedly arranged on the heat exchange main body and communicated with the heat exchange main body; the cold medium outlet is fixedly arranged on the heat exchange main body, and is communicated with the heat exchange main body.
The utility model provides a waste heat recovery device for preheating furnace, furtherly, the heat transfer main part is plate-fin heat transfer core.
The utility model provides a waste heat recovery device for a preheating furnace, further, the heat exchange mechanism also comprises a pressure release valve; the pressure relief valve is detachably arranged on the heat exchange main body.
The utility model provides a waste heat recovery device for a preheating furnace, further, the heat exchange mechanism also comprises a drain outlet; the heat exchange main body is provided with the sewage draining outlet.
The utility model provides a waste heat recovery device for a preheating furnace, further, the swing mechanism comprises a first rotating shaft, a first gear, a second gear and a second rotating shaft; one end of the first rotating shaft is in transmission connection with the power mechanism; the first gear is in transmission connection with the first rotating shaft; the second gear is in transmission connection with the first gear; the second rotating shaft is rotatably arranged in the smoke exhaust pipe, the second rotating shaft is in transmission connection with the second gear, and the dust removal mechanism is wound on the second rotating shaft.
The utility model provides a waste heat recovery device for a preheating furnace, further, the power mechanism comprises a motor and a speed reducer; the motor and the speed reducer are detachably arranged outside the smoke exhaust pipe, the power output end of the motor is in transmission connection with the speed reducer, and the speed reducer is in transmission connection with the swing mechanism.
The technical scheme has the following advantages or beneficial effects:
the utility model provides a waste heat recovery device for a preheating furnace, which comprises a smoke exhaust pipe, a power mechanism, a swing mechanism, a dust removal mechanism, a negative pressure mechanism, a heat exchange mechanism and a control mechanism; the power mechanism is detachably arranged outside the smoke exhaust pipe; the swing mechanism is rotatably arranged in the smoke exhaust pipe and is in transmission connection with the power mechanism; the dust removing mechanism is rotatably arranged in the smoke exhaust pipe through the rotating mechanism, is wound on the rotating mechanism and is in contact with the inner wall surface of the smoke exhaust pipe; the negative pressure mechanism is detachably connected with the smoke exhaust pipe; the heat exchange mechanism is sleeved on the smoke exhaust pipe and is arranged in a manner of being clung to the outer wall of the smoke exhaust pipe; the control mechanism is electrically connected with the power mechanism, the negative pressure mechanism and the heat exchange mechanism. The utility model discloses an aspect is through setting up power unit, rotation mechanism, dust removal mechanism and heat transfer mechanism, can in time get rid of the smoke and dust particulate matter that adheres to on the inner wall of exhaust pipe, and thus avoid the smoke and dust to gather the phenomenon that leads to heat conduction to reduce, and then improved the waste heat recovery efficiency of preheater to a great extent; on the other hand, the arrangement of the negative pressure mechanism and the control mechanism enables the smoke and dust particles removed by the dust removal mechanism to be timely cleaned and collected, so that the phenomenon of secondary dust deposition is avoided, and the waste heat recovery efficiency of the preheating furnace is further improved.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a schematic diagram of a partial structure of a waste heat recovery device for a preheating furnace according to embodiment 1 of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientation or positional relationship is based on that shown in the drawings, merely for convenience in describing the invention and simplifying the description, and does not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
the flue gas is the main way of wasting energy of general energy consumption equipment, and flue gas waste heat recovery is mainly through some kind of heat transfer mode with the heat conversion that the flue gas carried to the heat that can utilize. However, in the prior art, the smoke dust in the flue of the preheating furnace adheres to the equipment for recovering the waste heat of the preheating furnace, so that the heat transfer efficiency is greatly reduced, the waste of heat energy is caused, and the effect of recovering the waste heat is not ideal.
In order to solve the technical problem, an embodiment 1 of the present invention provides a waste heat recovery device 1 for a preheating furnace, as shown in fig. 1, including a smoke exhaust pipe 11, a power mechanism 12, a rotation mechanism 13, a dust removal mechanism 14, a negative pressure mechanism, a heat exchange mechanism 15, and a control mechanism; the power mechanism 12 is detachably arranged outside the smoke exhaust pipe 11; the rotating mechanism 13 is rotatably arranged in the smoke exhaust pipe 11, and the rotating mechanism 13 is in transmission connection with the power mechanism 12; the dust removing mechanism 14 is rotatably arranged in the smoke exhaust pipe 11 through the rotating mechanism 13, the dust removing mechanism 14 is wound on the rotating mechanism 13, and the dust removing mechanism 14 is in contact with the inner wall surface of the smoke exhaust pipe 11; the negative pressure mechanism is detachably connected with the smoke exhaust pipe 11; the heat exchange mechanism 15 is sleeved on the smoke exhaust pipe 11, and the heat exchange mechanism 15 is tightly attached to the outer wall of the smoke exhaust pipe 11; the control mechanism is electrically connected with the power mechanism 12, the negative pressure mechanism and the heat exchange mechanism 15. The utility model provides a waste heat recovery device 1 for preheating furnace, during the use, power unit 12 work drives rotation mechanism 13 and is rotary motion in discharging fume pipe 11, and dust removal mechanism 14 then will discharge fume on 11 inner walls of pipe adnexed smoke and dust particulate matter strike off to by entrapment to outside centralized processing under negative pressure mechanism's effect, at this in-process, heat exchange mechanism 15 carries out the heat exchange and recycles the heat that the interior smoke and dust of pipe 11 produced of will discharging fume. On one hand, the utility model can remove the smoke particles attached to the inner wall of the smoke exhaust pipe 11 in time by arranging the power mechanism 12, the swing mechanism 13, the dust removing mechanism 14 and the heat exchanging mechanism 15, thereby avoiding the phenomenon of heat conduction reduction caused by smoke accumulation and further improving the waste heat recovery efficiency of the preheating furnace to a greater extent; on the other hand, the arrangement of the negative pressure mechanism and the control mechanism enables the smoke and dust particles removed by the dust removal mechanism 14 to be cleaned and collected in time, so that the phenomenon of secondary dust deposition is avoided, and the waste heat recovery efficiency of the preheating furnace is further improved. It can be seen that the utility model provides a waste heat recovery device 1 for preheater, its structure sets up rationally, has higher use value, has solved the equipment that is used for preheater waste heat recovery who exists among the prior art because the smoke and dust in the preheater flue adheres to for heat transfer efficiency reduces by a wide margin, causes the waste of heat energy, thereby leads to the unsatisfactory problem of waste heat recovery effect.
In order to further improve the dust removal efficiency of the dust removal mechanism 14, in the waste heat recovery device 1 for the preheating furnace provided in this embodiment, further, the dust removal mechanism 14 includes a spiral dust removal body 141 and a wire brush 142; the spiral dust removing body 141 and the metal wire brush 142 are rotatably arranged in the smoke exhaust pipe 11 through the rotating mechanism 13; the spiral dust removing body 141 is in a spiral sheet structure, and the spiral dust removing body 141 is wound on the rotating mechanism 13; the wire brush 142 is fixedly arranged on the outer edge of the spiral dust removing body 141, and the wire brush 142 is in contact with the inner wall of the smoke exhaust pipe 11. Through the arrangement of the spiral dust removing body 141 and the metal wire brush 142, when the spiral dust removing body 141 and the metal wire brush 142 rotate under the rotation action of the rotating mechanism 13, the metal wire brush 142 rotates and is in contact friction with the inner wall of the smoke exhaust pipe 11, so that accumulated dust on the inner wall of the smoke exhaust pipe 11 is scraped off, and meanwhile, the accumulated dust forms a slight dust raising phenomenon under the rotation action of the accumulated dust, so that the dust removing device is more beneficial to catching and cleaning the accumulated dust by a negative pressure mechanism, and the waste heat recovery efficiency of the preheating furnace is further improved.
In order to further improve the working reliability of the waste heat recovery device, in the waste heat recovery device 1 for the preheating furnace provided in this embodiment, the heat exchange mechanism 15 further includes a heat exchange main body 151, a cold medium inlet 152 and a cold medium outlet 153; the heat exchange main body 151 is sleeved on the smoke exhaust pipe 11, and the heat exchange main body 151 is tightly attached to the outer wall of the smoke exhaust pipe 11; the cold medium inlet 152 is fixedly arranged on the heat exchange main body 151, and the cold medium inlet 152 is communicated with the heat exchange main body 151; the refrigerant outlet 153 is fixedly disposed on the heat exchange body 151, and the refrigerant outlet 153 is communicated with the heat exchange body 151. Wherein, the heat exchange body 151 is a plate-fin heat exchange core. Further, the heat exchange mechanism 15 further comprises a pressure relief valve 154; the relief valve 154 is detachably provided on the heat exchange body 151. Further, the heat exchange mechanism 15 further comprises a sewage draining outlet 155; the heat exchange main body 151 is provided with a sewage draining outlet 155. By arranging the heat exchange main body 151, the cold medium inlet 152 and the cold medium outlet 153 of the plate-fin heat exchange core body with high-efficiency heat exchange performance, cooling medium flows in from the cold medium inlet 152 and flows out from the cold medium outlet 153, so that high-efficiency recovery and reutilization of heat are realized; the pressure relief valve 154 can effectively ensure that the pressure between the cooling medium in the heat exchange main body 151 and the heat exchange main body 151 is in a normal state, so that the working reliability of the heat exchange mechanism 15 is further improved; in addition, the arrangement of the sewage draining outlet 155 can timely treat the dirt formed by the cooling medium in the heat exchange main body 151, so that the phenomenon that the heat conductivity of the heat exchange main body 151 is reduced due to the accumulation of the dirt is avoided, and the waste heat recovery efficiency of the preheating furnace is further improved.
In order to further improve the working reliability of the waste heat recovery device, in the waste heat recovery device 1 for the preheating furnace provided in this embodiment, the power mechanism 12 further includes a motor 121 and a speed reducer 122; the motor 121 and the speed reducer 122 are detachably arranged outside the smoke exhaust pipe 11, the power output end of the motor 121 is in transmission connection with the speed reducer 122, and the speed reducer 122 is in transmission connection with the swing mechanism 13. Further, the swing mechanism 13 includes a first rotating shaft 131, a first gear 132, a second gear 133, and a second rotating shaft 134; one end of the first rotating shaft 131 is in transmission connection with the power mechanism 12; the first gear 132 is in transmission connection with the first rotating shaft 131; the second gear 133 is in transmission connection with the first gear 132; the second rotating shaft 134 is rotatably disposed in the smoke exhaust pipe 11, the second rotating shaft 134 is in transmission connection with the second gear 133, and the dust removing mechanism 14 is wound on the second rotating shaft 134. Through the above arrangement, when the power mechanism 12 and the revolving mechanism 13 work, that is, the motor 121 and the speed reducer 122 work to drive the first rotating shaft 131 to rotate, the first rotating shaft 131 drives the first gear 132 to rotate, the first gear 132 drives the second gear 133 to rotate, wherein the first gear 132 and the second gear 133 are both mutually matched bevel gears, and then the second gear 133 drives the second rotating shaft 134 to rotate, and finally the dust removing mechanism 14 is driven to continuously rotate in the smoke exhaust pipe 11, thereby realizing the cleaning of the accumulated dust. Due to the space limitation in the smoke exhaust pipe 11, certain requirements are met for the arrangement of the rotary mechanism 13, the arrangement of the whole structure is simple and reasonable, the whole structures of the power mechanism 12 and the rotary mechanism 13 are simplified to a greater extent, the difficulty of overhauling and maintenance of operators is reduced, and meanwhile, the working reliability of the waste heat recovery device is further improved.
To sum up, the utility model provides a waste heat recovery device for a preheating furnace, on one hand, through setting up power unit, rotation mechanism, dust removal mechanism and heat transfer mechanism, can in time get rid of the smoke and dust particulate matter that adheres to the inner wall of the exhaust pipe, thus avoid the smoke and dust to gather and lead to the phenomenon that heat conduction reduces, and then improved the waste heat recovery efficiency of preheating furnace to a great extent; on the other hand, the arrangement of the negative pressure mechanism and the control mechanism enables the smoke and dust particles removed by the dust removal mechanism to be timely cleaned and collected, so that the phenomenon of secondary dust deposition is avoided, and the waste heat recovery efficiency of the preheating furnace is further improved.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (8)
1. A waste heat recovery device for a preheating furnace is characterized by comprising a smoke exhaust pipe, a power mechanism, a swing mechanism, a dust removal mechanism, a negative pressure mechanism, a heat exchange mechanism and a control mechanism;
the power mechanism is detachably arranged outside the smoke exhaust pipe; the swing mechanism is rotatably arranged in the smoke exhaust pipe and is in transmission connection with the power mechanism; the dust removing mechanism is rotatably arranged in the smoke exhaust pipe through the slewing mechanism, the dust removing mechanism is wound on the slewing mechanism, and the dust removing mechanism is in contact with the inner wall surface of the smoke exhaust pipe; the negative pressure mechanism is detachably connected with the smoke exhaust pipe; the heat exchange mechanism is sleeved on the smoke exhaust pipe, and the heat exchange mechanism is arranged in close contact with the outer wall of the smoke exhaust pipe; the control mechanism is electrically connected with the power mechanism, the negative pressure mechanism and the heat exchange mechanism.
2. The waste heat recovery device for the preheating furnace according to claim 1, wherein the dust removing mechanism comprises a spiral dust removing body and a wire brush; the spiral dust removing body and the metal wire brush are rotatably arranged in the smoke exhaust pipe through the rotating mechanism; the spiral dust removing body is of a spiral sheet structure and is wound on the rotary mechanism; the metal wire brush is fixedly arranged on the outer edge of the spiral dust removing body and is in contact with the inner wall of the smoke exhaust pipe.
3. The waste heat recovery device for the preheating furnace according to claim 1, wherein the heat exchange mechanism comprises a heat exchange main body, a cold medium inlet and a cold medium outlet; the heat exchange main body is sleeved on the smoke exhaust pipe, and the heat exchange main body is tightly attached to the outer wall of the smoke exhaust pipe; the cold medium inlet is fixedly arranged on the heat exchange main body and communicated with the heat exchange main body; the cold medium outlet is fixedly arranged on the heat exchange main body, and is communicated with the heat exchange main body.
4. The waste heat recovery device for the preheating furnace according to claim 3, wherein the heat exchange body is a plate-fin heat exchange core body.
5. The waste heat recovery device for the preheating furnace according to claim 3, wherein the heat exchange mechanism further comprises a pressure relief valve; the pressure relief valve is detachably arranged on the heat exchange main body.
6. The waste heat recovery device for the preheating furnace according to claim 3, wherein the heat exchange mechanism further comprises a sewage draining outlet; the heat exchange main body is provided with the sewage draining outlet.
7. The waste heat recovery device for the preheating furnace as recited in claim 1, wherein the swing mechanism comprises a first rotating shaft, a first gear, a second gear and a second rotating shaft; one end of the first rotating shaft is in transmission connection with the power mechanism; the first gear is in transmission connection with the first rotating shaft; the second gear is in transmission connection with the first gear; the second rotating shaft is rotatably arranged in the smoke exhaust pipe, the second rotating shaft is in transmission connection with the second gear, and the dust removal mechanism is wound on the second rotating shaft.
8. The waste heat recovery device for the preheating furnace according to claim 1, wherein the power mechanism comprises a motor and a speed reducer; the motor and the speed reducer are detachably arranged outside the smoke exhaust pipe, the power output end of the motor is in transmission connection with the speed reducer, and the speed reducer is in transmission connection with the swing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023345614.3U CN213984634U (en) | 2020-12-31 | 2020-12-31 | Waste heat recovery device for preheating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023345614.3U CN213984634U (en) | 2020-12-31 | 2020-12-31 | Waste heat recovery device for preheating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213984634U true CN213984634U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023345614.3U Active CN213984634U (en) | 2020-12-31 | 2020-12-31 | Waste heat recovery device for preheating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213984634U (en) |
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2020
- 2020-12-31 CN CN202023345614.3U patent/CN213984634U/en active Active
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