CN210107993U - High-efficient drying furnace - Google Patents
High-efficient drying furnace Download PDFInfo
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- CN210107993U CN210107993U CN201920939981.4U CN201920939981U CN210107993U CN 210107993 U CN210107993 U CN 210107993U CN 201920939981 U CN201920939981 U CN 201920939981U CN 210107993 U CN210107993 U CN 210107993U
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Abstract
The utility model discloses a high-efficient drying furnace, including furnace body, return air duct, circulation wind channel, combustor and circulating fan, the combustor setting is used for heating the flue gas in circulation wind channel, through circulating fan's suction, makes the flue gas in the kiln chamber pass through return air duct, circulating fan and circulation wind channel in proper order, reenters in the kiln chamber. Compared with the prior art, the utility model discloses a drying furnace is equipped with the combustor, and the flue gas in the kiln chamber does not directly discharge to the external world after getting into the return air duct, but takes out through circulating fan and puts the circulation wind channel and heat and form hot-blastly and flow back again in the kiln chamber to this circulation, because flue gas itself has the heat, consequently, can effectively improve the combustion efficiency of combustor, reduce the fuel loss, and reduce atmospheric pollutants's emission.
Description
Technical Field
The utility model relates to a drying furnace technical field, concretely relates to high-efficient drying furnace.
Background
With the rapid development of various industries, new materials are continuously developed. Refractory materials, which are novel materials, are indispensable in most fields, and have been increasingly used in industrial production such as machinery, metallurgy, petroleum and chemical industry. The material is required to be dried in the production process because of the characteristics of poor heat conductivity and low expansion coefficient in production and processing, and higher technical requirements are provided for refractory material drying equipment. These devices rely on heat sources, conduction, etc. to raise the surface temperature of the object, and heat conduction gradually raises the internal temperature. The poor heating nature of fire-proof material and the heat source a large amount of losses of energy in the conduction process lead to in the heating process energy loss great, the heating is inhomogeneous, and raw and other materials consume the aggravation, and the utilization ratio is lower and then lead to the cost to improve greatly. Among them, hot air drying has a series of advantages, and thus is widely used. The existing method for drying the refractory materials at low temperature by hot air drying equipment adopts a traditional mode, namely, the refractory materials are combusted by an independent combustion chamber and then introduced into a drying room for drying, the technology of the method is laggard, smoke is directly discharged through a centralized smoke outlet, and the temperature is still high; this approach is not energy efficient and the atmospheric pollutant emissions (nitrogen oxides, carbon dioxide, etc.) are high.
Accordingly, the existing drying equipment applied to low-temperature drying of refractory materials needs to be further improved so as to meet the requirements of users on energy conservation and environmental protection.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a high-efficiency drying furnace, which achieves better energy-saving and environment-friendly effects through structural improvement.
In order to realize the purpose, the utility model adopts the following technical proposal:
high-efficient drying furnace, the induction cooker comprises a cooker bod, the return air duct, the circulation wind channel, combustor and circulating fan, be equipped with the kiln room in the furnace body, the air inlet and the kiln room intercommunication of return air duct, the gas vent of return air duct and circulating fan's induction port intercommunication, circulating fan's gas vent and circulation wind channel's air inlet intercommunication, circulation wind channel's gas vent and kiln room intercommunication, the combustor setting is used for heating the flue gas in circulation wind channel, suction through circulating fan, make the flue gas in the kiln room pass through the return air duct in proper order, circulating fan and circulation wind channel, reentrant in the kiln room.
Compared with the prior art, the utility model discloses a drying furnace is equipped with the combustor, and the flue gas in the kiln chamber does not directly discharge to the external world after getting into the return air duct, but takes out through circulating fan and puts the circulation wind channel and heat and form hot-blastly and flow back again in the kiln chamber to this circulation, because flue gas itself has the heat, consequently, can effectively improve the combustion efficiency of combustor, reduce the fuel loss, and reduce atmospheric pollutants's emission.
In order to prevent hot air supplemented into the kiln chamber from being sucked into the return air duct, the air inlet of the return air duct is arranged at the top of the kiln chamber, and the air outlet of the circulating air duct is lower than the air inlet of the return air duct.
One preferable scheme of the circulating air duct is as follows: including main circulation tuber pipe, branch wind pipeline and a plurality of exhaust duct, main circulation tuber pipe sets up in the furnace body outside, divides wind pipeline and exhaust duct setting on the lateral wall of kiln room, divides wind pipeline intercommunication main circulation tuber pipe and exhaust duct, and the air inlet of main circulation tuber pipe is connected with circulating fan's gas vent, and exhaust duct is equipped with a plurality of hot-blast gas vents, hot-blast gas vent and kiln room intercommunication. The air distributing pipeline and the exhaust pipeline are arranged in the furnace body, so that heat loss of hot air in the air distributing pipeline and the exhaust pipeline in the backflow process can be effectively reduced, in addition, heat exchange between the air distributing pipeline and the kiln chamber and heat loss of the circulating air duct and the kiln chamber can be reduced simultaneously, and the heat loss of the drying furnace is reduced.
Another preferred scheme of the circulating air duct is as follows: the air inlet of the main circulating air pipe is connected with the air outlet of the circulating fan, the air outlet pipeline is provided with a plurality of hot air outlets, and the hot air outlets are communicated with the kiln chamber. Compare above-mentioned scheme, this scheme is favorable to simplifying the convenience of furnace body assembly.
According to a further development of the two preferred solutions described above: the exhaust pipe top-down vertically sets up on the kiln room lateral wall, and hot-blast gas vent is equipped with a plurality of along exhaust pipe's length direction, rotationally installs adjustable flashboard on the hot-blast gas vent, and adjustable flashboard is used for adjusting the switching degree of hot-blast gas vent. The scheme is favorable for the smoke of the air distribution pipeline to continuously and uniformly flow into the kiln chamber, so that all areas of the kiln chamber are uniformly heated.
Still further, the exhaust duct is equipped with two at least to set gradually along kiln chamber length direction.
Preferably, the cross-sectional area of the exhaust duct is gradually reduced from top to bottom. The scheme is favorable for discharging hot air from the air distribution pipeline more quickly and returning the hot air to the kiln chamber.
In order to improve the combustion efficiency and save fuel, the combustor is a pipeline type linear combustor.
Drawings
FIG. 1 is a cross-sectional view of a high efficiency kiln;
FIG. 2 is a side view of a high efficiency drying oven.
Description of reference numerals:
the high-efficiency drying furnace comprises a high-efficiency drying furnace 1, a furnace body 2, a kiln chamber 3, an air return pipe 4, a circulating air duct 5, a main circulating air pipe 501, an air distribution pipeline 502, an exhaust pipeline 503, a combustor 6, a hot air exhaust port 302, an adjustable gate board 3021, a circulating fan 7, an air suction port 701 and an exhaust port 702 of the circulating fan.
Detailed Description
The technical scheme of the utility model is further explained according to the attached drawings as follows:
in the description of the present invention, it should be understood that the directions or positional relationships indicated by the above-mentioned "upper", "lower", "front", "rear", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, the utility model discloses a high-efficient drying furnace 1, the induction cooker comprises a cooker bod 2, return air pipe 4, circulation wind channel 5, combustor 6 and circulating fan 7, be equipped with kiln room 3 in the furnace body 2, return air pipe 4's air inlet and kiln room 3 intercommunication, return air pipe 4's gas vent and circulating fan 7's induction port 701 intercommunication, circulating fan 7's gas vent 702 and circulation wind channel 5's air inlet intercommunication, circulation wind channel 5's gas vent and kiln room 3 intercommunication, combustor 6 sets up and is used for heating circulation wind channel 5's flue gas in circulation wind channel 5, suction through circulating fan 7, make the flue gas in the kiln room 3 through return air pipe 4 in proper order, circulating fan 7 and circulation wind channel 5, reentrant kiln is indoor 3. In order to improve combustion efficiency and save fuel, the burner 6 is a pipe type linear burner 6.
In order to prevent the hot air supplemented into the kiln chamber 3 from being sucked into the return air duct 4, the air inlet of the return air duct 4 is arranged at the top of the kiln chamber 3, and the air outlet of the circulating air duct 5 is lower than the air inlet of the return air duct 4.
One preferable scheme of the above circulating air duct 5: the kiln furnace comprises a main circulating air pipe 501, an air distribution pipeline 502 and a plurality of exhaust pipelines 503, wherein the main circulating air pipe 501 is arranged on the outer side of the furnace body 2, the air distribution pipeline 502 and the exhaust pipelines 503 are arranged on the side wall of the kiln chamber 3, the air distribution pipeline 502 is communicated with the main circulating air pipe 501 and the exhaust pipelines 503, an air inlet of the main circulating air pipe 501 is connected with an air outlet 702 of the circulating fan 7, the exhaust pipelines 503 are provided with a plurality of hot air exhaust ports 302, and the hot air exhaust ports 302 are communicated with the kiln chamber 3. The air distribution pipeline 502 and the exhaust pipeline 503 of the scheme are arranged in the furnace body 2, so that the heat loss of hot air in the air distribution pipeline 502 and the exhaust pipeline 503 can be effectively avoided, in addition, the heat of the air distribution pipeline 502 and the exhaust pipeline 503 is exchanged with the heat of the kiln chamber 3, the heat loss of the circulating air duct 5 and the heat loss of the kiln chamber 3 can be reduced simultaneously, and the heat loss of the drying furnace is reduced.
Another preferred embodiment of the above-mentioned circulating air duct 5: the kiln furnace comprises a main circulating air pipe 501, an air distribution pipeline 502 and a plurality of air exhaust pipelines 503, wherein the main circulating air pipe 501 and the air distribution pipeline 502 are arranged on the outer side of the furnace body 2, the air exhaust pipelines 503 are arranged on the side wall of the kiln chamber 3, the air distribution pipeline 502 is communicated with the main circulating air pipe 501 and the air exhaust pipelines 503, an air inlet of the main circulating air pipe 501 is connected with an air outlet 702 of the circulating fan 7, the air exhaust pipelines 503 are provided with a plurality of hot air exhaust ports 302, and the hot air exhaust ports 302 are communicated with the kiln chamber 3.
According to a further development of the two preferred solutions described above: the exhaust duct 503 is longitudinally arranged on the side wall of the kiln chamber 3 from top to bottom, the hot air exhaust port 302 is provided with a plurality of exhaust ducts 503 along the length direction, an adjustable gate 3021 is rotatably arranged on the hot air exhaust port 302, and the adjustable gate 3021 is used for adjusting the opening and closing degree of the hot air exhaust port 302. The scheme is favorable for the smoke of the air distribution pipeline to continuously and uniformly flow into the kiln chamber 3, so that all areas of the kiln chamber 3 are uniformly heated. Furthermore, at least two exhaust ducts 503 are arranged and are arranged in sequence along the length direction of the kiln chamber 3; the exhaust duct 503 has a cross-sectional area gradually decreasing from top to bottom.
Compared with the prior art, the utility model discloses a drying furnace is equipped with combustor 6, and the flue gas in the kiln chamber 3 does not directly discharge to the external world after getting into return air duct 4, but draws through circulating fan 7 and puts circulating duct 5 and heat and form hot-blast and flow back again in kiln chamber 3 to this circulation, because flue gas itself has the heat, consequently, can effectively improve the combustion efficiency of combustor 6, reduce the fuel loss, and reduce the emission of atmospheric pollutants.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (8)
1. The utility model provides a high-efficient drying furnace which characterized in that: including furnace body, return air duct, circulation wind channel, combustor and circulating fan, be equipped with the kiln room in the furnace body, the air inlet of return air duct with kiln room intercommunication, the gas vent of return air duct with circulating fan's induction port intercommunication, circulating fan's gas vent with circulation wind channel's air inlet intercommunication, circulation wind channel's gas vent and kiln room intercommunication, the combustor sets up and is used for heating circulation wind channel's flue gas in circulation wind channel, through circulating fan's suction makes the flue gas in the kiln room pass through in proper order return air duct, circulating fan with circulation wind channel gets into again in the kiln room.
2. The high efficiency drying oven of claim 1, wherein: and the air inlet of the return air duct is arranged at the top of the kiln chamber, and the air outlet of the circulating air duct is lower than the air inlet of the return air duct.
3. The high efficiency drying oven of claim 1, wherein: the circulating air duct comprises a main circulating air pipe, an air distribution pipeline and a plurality of exhaust pipelines, the main circulating air pipe is arranged on the outer side of the furnace body, the air distribution pipeline and the exhaust pipelines are arranged on the side wall of the kiln chamber, the air distribution pipeline is communicated with the main circulating air pipe and the exhaust pipelines, an air inlet of the main circulating air pipe is connected with an air outlet of the circulating fan, the exhaust pipelines are provided with a plurality of hot air exhaust ports, and the hot air exhaust ports are communicated with the kiln chamber.
4. The high efficiency drying oven of claim 1, wherein: the circulating air duct comprises a main circulating air pipe, an air distribution pipeline and a plurality of exhaust pipelines, the main circulating air pipe and the air distribution pipeline are arranged on the outer side of the furnace body, the exhaust pipelines are arranged on the side wall of the kiln chamber, the air distribution pipeline is communicated with the main circulating air pipe and the exhaust pipelines, an air inlet of the main circulating air pipe is connected with an air outlet of the circulating fan, the exhaust pipelines are provided with a plurality of hot air exhaust ports, and the hot air exhaust ports are communicated with the kiln chamber.
5. The high efficiency drying oven of claim 3 or 4, wherein: exhaust pipe top-down vertically sets up on the kiln room lateral wall, hot-blast gas vent follows exhaust pipe's length direction is equipped with a plurality of, rotationally install adjustable flashboard on the hot-blast gas vent, adjustable flashboard is used for adjusting hot-blast gas vent's switching degree.
6. The high efficiency drying oven of claim 3 or 4, wherein: the exhaust ducts are at least two and are sequentially arranged along the length direction of the kiln chamber.
7. The high efficiency drying oven of claim 3 or 4, wherein: the cross-sectional area of the exhaust pipeline is gradually reduced from top to bottom.
8. The high efficiency drying oven of claim 1, wherein: the combustor is a pipeline type linear combustor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920939981.4U CN210107993U (en) | 2019-06-20 | 2019-06-20 | High-efficient drying furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920939981.4U CN210107993U (en) | 2019-06-20 | 2019-06-20 | High-efficient drying furnace |
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| CN210107993U true CN210107993U (en) | 2020-02-21 |
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| CN201920939981.4U Active CN210107993U (en) | 2019-06-20 | 2019-06-20 | High-efficient drying furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137850A (en) * | 2021-05-20 | 2021-07-20 | 河南浩森生物材料有限公司 | Energy-saving sodium acetate rapid drying equipment |
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2019
- 2019-06-20 CN CN201920939981.4U patent/CN210107993U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137850A (en) * | 2021-05-20 | 2021-07-20 | 河南浩森生物材料有限公司 | Energy-saving sodium acetate rapid drying equipment |
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