CN103398608A - Countercurrent multistage rotating heat pipe hot blast stove - Google Patents
Countercurrent multistage rotating heat pipe hot blast stove Download PDFInfo
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- CN103398608A CN103398608A CN2013103375550A CN201310337555A CN103398608A CN 103398608 A CN103398608 A CN 103398608A CN 2013103375550 A CN2013103375550 A CN 2013103375550A CN 201310337555 A CN201310337555 A CN 201310337555A CN 103398608 A CN103398608 A CN 103398608A
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Abstract
The invention discloses a countercurrent multistage rotating heat pipe hot blast stove. The countercurrent multistage rotating heat pipe hot blast stove which is composed of a cold air inlet, a hot air outlet, a high-temperature smoke inlet, a smoke outlet, a transmission device, a riding wheel device, a heat holding cover and heat exchanging cylinders. The multistage heat exchanging cylinders are composed of at least one rotating heat exchanging cylinder and one or more static heat exchanging cylinders. A smoke channel enables the rotating heat exchanging cylinder and the static heat exchanging cylinders to be connected in series, so that a multistage heat exchanging system is formed. Cold air and hot smoke conduct heat exchange stage by stage, so that the number of the procedures of heat exchange is increased and the time of heat exchange is prolonged. The rotating hot air cylinder enables heated airflow to form turbulent flow when the heated airflow passes through heat pipes, so that the number of the procedures of heat exchange is further increased and the time of heat exchange is further prolonged. Therefore, heat exchange is more sufficient, the heat exchange efficiency is improved, heat loss is reduced, energy consumption is reduced, the structure is simple, cost is low, and popularization and application are convenient.
Description
Technical field
The present invention relates to a kind of air-heater, specifically, is a kind of adverse current Multi-stage rotary heat pipe hot-blast stove.
Background technology
hot-blast stove is widely used in the equipment such as oven dry or heating in China as a kind of thermal power machinery, and hot-blast stove generally is divided into direct-type hot-blast stove and indirect hot air stove, the direct-type hot-blast stove is exactly the hot flue gas that utilizes fuel directly to burn and form, after certain purified treatment, directly with material, contact the heating, drying material, the hot flue gas that this hot-blast stove has directly utilized burning to form, material is carried out drying or oven dry, compare with indirect hot air stove, need not through the second heat exchange, therefore, the thermal efficiency ratio indirect hot air stove is high, but because flue dust impurity in the hot flue gas of burning formation is more, it is inadaptable for the higher oven dry of product quality requirement, indirect hot air stove is mainly used in the material that is dried and does not allow contaminated or be applied to the drying of the lower heat sensitive material of temperature, as food, medicine, the product that fine chemical product and synthetic resin and some high-purities require etc., this indirect hot air stove, be with high-temperature flue gas, steams etc. are made carrier, heat exchanger by various ways adds hot-air, make air reach the temperature of baking needed, then with hot-air, material is dried, hence one can see that, the effect of indirect hot air stove depends on the heat exchange effect of heat exchanger, theoretically, heat exchange area is larger, heat exchanger time is longer, heat exchanger effectiveness is just higher, the thermal efficiency of hot-blast stove and energy-saving effect are just better, at present, indirect hot air stove adopts tubing heat exchanger more, it is Hot Blast Furnace With Heat Pipes, existing Hot Blast Furnace With Heat Pipes, the heat pipe that no matter is arranged in parallel or the heat pipe of other arranged in form, all static type designs, its heat pipe design is above burner hearth, and heat pipe is densely distributed, the space less, it is too smooth and easy when cold wind is flowed through heat pipe, there is no flow-disturbing, make the flow process of heat exchange short, time is few, heat exchange is insufficient, the flue duct heat pipe energy runs off large, the exhaust opening exit gas temperature is high, so, the ubiquity thermal efficiency is low, energy consumption is high, the problem that energy waste is serious.
Summary of the invention
The objective of the invention is the problem that exists for existing Hot Blast Furnace With Heat Pipes, designed a kind of adverse current Multi-stage rotary heat pipe hot-blast stove, produce flow-disturbing while making cold wind flow through heat pipe, adopt simultaneously the Multi-stage heat exchanged form, increase flow process and the time of heat exchange, make the heat exchange fully of cold wind and heat pipe, improve heat exchanger effectiveness, reduce heat-energy losses, reduce energy consumption.
The objective of the invention is to be realized by following technical scheme: a kind of adverse current Multi-stage rotary heat pipe hot-blast stove, comprise that inlet of cold air, hot air outlet, high-temperature flue gas import, exhanst gas outlet, transmission device, riding wheel apparatus and Multi-stage heat switching cylinder form, and is characterized in that: said heat exchange cylinder is combined by at least one rotation heat exchange cylinder and one and above static heat switching cylinder; Said rotation heat exchange cylinder by the flange at a stationary cylinder and some heat-exchange tubes, two ends, lead smoke pipe and form, said heat-exchange tube is arranged in stationary cylinder, and be distributed in the hole of flange at two ends, leading smoke pipe is the round platform tubular construction, leading the smoke pipe stub end is fixed on flange, and with heat-exchange tube, be communicated with, leading smoke pipe microcephaly two ends arranged outside has riding wheel apparatus and a side to be provided with transmission device, and rotation heat exchange cylinder is rotated in stationary cylinder; Said static heat switching cylinder is to establish the cylinder of some heat-exchange tubes in one, and the cylinder both sides are provided with flange, and heat-exchange tube is distributed in flange hole; Exhaust gases passes will rotate heat exchange cylinder and the series connection of static heat switching cylinder successively, form the Multi-stage heat exchange system; Inlet of cold air and flue gas discharge opening are arranged on the end of last static heat switching cylinder, and are respectively equipped with air blast and smoke extractor; Hot air outlet is arranged on the end of the stationary cylinder of rotation heat exchange cylinder near the high-temperature flue gas import; Be provided with air duct between rotation heat exchange cylinder and static heat switching cylinder, and make air-flow direction and flow of flue gas opposite direction.
Compare with original technology, a kind of adverse current Multi-stage rotary of the present invention heat pipe hot-blast stove, owing to having adopted the Multi-stage heat switching cylinder, cold air carries out heat exchange with hot flue gas step by step, increases flow process and the time of heat exchange, the rotation thermal chimney forms flow-disturbing while making heated air flow through heat pipe, further extend flow process and the time of heat exchange, make heat exchange more abundant, improved heat exchanger effectiveness, reduce heat-energy losses, reduce energy consumption.
Description of drawings
Fig. 1 is a kind of adverse current Multi-stage rotary of the present invention heat pipe hot-blast stove structural representation.
Fig. 2 is that a kind of adverse current Multi-stage rotary of the present invention heat pipe hot-blast stove A-A is to cutaway view.
Fig. 3 is the another kind of structural representation of a kind of adverse current Multi-stage rotary of the present invention heat pipe hot-blast stove.
In Fig. 1, Fig. 2, Fig. 3: 1, static heat switching cylinder, 2, inlet of cold air, 3, flue gas discharge opening, 4, exhaust gases passes, 5, support roller, 6, transmission mechanism, 7, rotation heat exchange cylinder, 8, heat-exchange tube, 9, stationary cylinder, 10, hot air outlet, 11, flange, 12, lead smoke pipe, 13, the high-temperature flue gas import, 14, air duct.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1, a kind of adverse current Multi-stage rotary of the present invention heat pipe hot-blast stove shown in Figure 2, comprise that inlet of cold air 2, flue gas discharge opening 3, hot air outlet 10, transmission device 6, riding wheel apparatus 5, stay-warm case 15 and Multi-stage heat switching cylinder form, said Multi-stage heat switching cylinder is combined according to the L-type structural arrangement by a rotation heat exchange cylinder 7 and two static heat switching cylinders 1, laterally is fixed in the bracing frame at two ends; Said rotation heat exchange cylinder 7 by a stationary cylinder 9 and more than 9 rotatable heat-exchange tube 8, two ends flange 11, lead smoke pipe 12 and form, rotatable heat-exchange tube 8 is arranged in stationary cylinder 9, and be in the hole of the radial flange 11 that is distributed on two ends, lead smoke pipe 12 and be the round platform tubular construction, leading the smoke pipe stub end is fixed on flange 11, and with heat-exchange tube 8, be communicated with, led smoke pipe 12 two ends arranged outside support roller 5 and transmission device 6, can make rotation heat exchange cylinder 7 rotate in stationary cylinder 9; Static heat switching cylinder 1 is oval cartridge type, and both sides are provided with flange 11, in establish 9 above heat-exchange tubes 8, heat-exchange tube 8 is distributed in the hole of flange 11; Exhaust gases passes 4 will rotate heat exchange cylinder 7 and 1 series connection of static heat switching cylinder successively, form the Multi-stage heat exchange system; Inlet of cold air 2 and flue gas discharge opening 3 are arranged on the end of last static heat switching cylinder 1, and are respectively equipped with air blast and smoke extractor (not shown); Hot air outlet 10 is arranged on the end of the stationary cylinder 9 of rotation heat exchange cylinder 7 near high-temperature flue gas import 13; Be provided with air duct 14 between rotation heat exchange cylinder 7 and static heat switching cylinder 1, its setting can make air-flow direction and flow of flue gas opposite direction; A stay-warm case is set outside whole hot-blast stove, to reduce dissipation of heat and dust.
According to the actual needs, a kind of adverse current Multi-stage rotary of the present invention heat pipe hot-blast stove, can arrange 1 rotation heat exchange cylinder 7 and 3-4 static heat switching cylinders 1 and be arranged in a combination; 2 rotation heat exchange cylinders 7 and 2-4 static heat switching cylinders 1 can also be set to be arranged in a combination.
In order further to increase heat exchange area and time, can fin in axial direction be set on heat-exchange tube 8 surfaces,, simultaneously at the interior wind deflector that arranges of static heat switching cylinder 1, make the mobile formation convolution of air in static heat switching cylinder 1 is interior.
That shown in Figure 3 is the embodiment of the another kind of version of a kind of adverse current Multi-stage rotary of the present invention heat pipe hot-blast stove, and the Multi-stage heat switching cylinder of the present embodiment is only combined by a rotation heat exchange cylinder 7 and 2 to 4 static heat switching cylinders 1; Said static heat switching cylinder 1 is the different long cylinder of diameter, and the long cylinder that diameter is little is enclosed within outside the stationary cylinder 9 of rotation heat exchange cylinder 7, and the long cylinder that diameter is large is enclosed within outside the little long cylinder of diameter; Be provided with several heat-exchange tubes 8 between long cylinder and stationary cylinder 9 and big or small long cylinder, both sides are provided with flange 11, and heat-exchange tube 8 is distributed in flange 11 holes; Exhaust gases passes 4 will rotate heat exchange cylinder 7 and 1 series connection of static heat switching cylinder successively, form Multi-stage heat exchange system from inside to outside; Inlet of cold air 2 and flue gas discharge opening 3 are arranged on the end of a static heat switching cylinder 1 of outermost, and are respectively equipped with air blast and smoke extractor; Hot air outlet 10 is arranged on the end of the stationary cylinder 9 of rotation heat exchange cylinder 7 near high-temperature flue gas import 13; Be provided with air duct between rotation heat exchange cylinder 7 and static heat switching cylinder 1, and make air-flow direction and flow of flue gas opposite direction.
in sum, adopt a kind of adverse current Multi-stage rotary of the present invention heat pipe hot-blast stove, owing to being provided with rotation heat exchange cylinder 7 and multistage static heat switching cylinder 1, form flow-disturbing while making heated air flow through rotation heat exchange cylinder 7 heat-exchange tube 8, strengthened heat exchange, heat exchange process and time have been extended, heated air is one by one by the Multi-stage heat switching cylinder time, existing flowing along heat-exchange tube 8 axial directions, there is again convolution to flow, heat exchange is more abundant, heated gradually, temperature progressively improves, discharge at the end near high-temperature flue gas import 13 finally, maximally utilised heat energy, has the thermal efficiency high, the advantage that heat-energy losses is few, and simple in structure, cost is low, easy to utilize.
It needs to be noted, above-mentioned drawings and embodiments only limit to describe embodiment, but the present invention is confined to aforesaid way incessantly, and those skilled in the art can modify accordingly easily in not departing from the scope of the present invention, and therefore scope of the present invention should comprise disclosed principle and the maximum magnitude of new feature.
Claims (9)
1. adverse current Multi-stage rotary heat pipe hot-blast stove, comprise that inlet of cold air (2), hot air outlet (10), high-temperature flue gas import (13), flue gas discharge opening (3), transmission device (6), riding wheel apparatus (5), stay-warm case (15) and Multi-stage heat switching cylinder form, and is characterized in that: said Multi-stage heat switching cylinder is combined by at least one rotation heat exchange cylinder (7) and one and above static heat switching cylinder (1), said rotation heat exchange cylinder (7) is by a stationary cylinder (9) and some heat-exchange tubes (8), the flange at two ends (11), leading smoke pipe (12) forms, said heat-exchange tube (8) is arranged in stationary cylinder (9), and be distributed in the hole of flange (11) at two ends, leading smoke pipe (12) is the round platform tubular construction, leading smoke pipe (12) stub end is fixed on flange (11), and with heat-exchange tube (8), be communicated with, leading smoke pipe (12) microcephaly two ends arranged outside has riding wheel apparatus (5) and a side to be provided with transmission device (6), rotation heat exchange cylinder (7) is rotated in stationary cylinder (9), said static heat switching cylinder (1) is to establish the cylinder of some heat-exchange tubes (8) in one, and the cylinder both sides are provided with flange (11), and heat-exchange tube (8) is distributed in flange (11) hole, exhaust gases passes (4) will rotate heat exchange cylinder (7) and static heat switching cylinder (1) series connection successively, form the Multi-stage heat exchange system, inlet of cold air (2) and flue gas discharge opening (3) are arranged on the end of last static heat switching cylinder (1), hot air outlet (10) is arranged on the end of the stationary cylinder (9) of rotation heat exchange cylinder (7) near high-temperature flue gas import (13), be provided with air duct (14) between rotation heat exchange cylinder (7) and static heat switching cylinder (1), and make air-flow direction and flow of flue gas opposite direction.
2. said a kind of adverse current Multi-stage rotary heat pipe hot-blast stove according to claim 1, it is characterized in that: said Multi-stage heat switching cylinder is combined according to the L-type structural arrangement by a rotation heat exchange cylinder (7) and two static heat switching cylinders (1).
3. said a kind of adverse current Multi-stage rotary heat pipe hot-blast stove according to claim 1, it is characterized in that: said Multi-stage heat switching cylinder can be arranged in a combination by 1 rotation heat exchange cylinder (7) and 3-4 static heat switching cylinders (1).
4. said a kind of adverse current Multi-stage rotary heat pipe hot-blast stove according to claim 1, it is characterized in that: said Multi-stage heat switching cylinder can also be arranged in a combination by 2 rotation heat exchange cylinders (7) and 2-4 static heat switching cylinders (1).
5. said a kind of adverse current Multi-stage rotary heat pipe hot-blast stove according to claim 1, is characterized in that: can fin in axial direction be set on heat-exchange tube (8) surface.
6. said a kind of adverse current Multi-stage rotary heat pipe hot-blast stove according to claim 1, is characterized in that: in static heat switching cylinder (1), wind deflector is set, makes the mobile formation convolution of air in static heat switching cylinder 1 is interior.
7. said a kind of adverse current Multi-stage rotary heat pipe hot-blast stove according to claim 1, it is characterized in that: said static heat switching cylinder (1) is the different long cylinder of diameter, the long cylinder that diameter is little is enclosed within outside the stationary cylinder (9) of rotation heat exchange cylinder (7), and the long cylinder that diameter is large is enclosed within outside the little long cylinder of diameter; Be provided with several heat-exchange tubes (8) between long cylinder and stationary cylinder (9) and big or small long cylinder, both sides are provided with flange (11), and heat-exchange tube (8) is distributed in flange (11) hole; Exhaust gases passes (4) will rotate heat exchange cylinder (7) and static heat exchange (1) series connection successively, form Multi-stage heat exchange system from inside to outside.
8. said a kind of adverse current Multi-stage rotary heat pipe hot-blast stove according to claim 7, it is characterized in that: said static heat switching cylinder (1) is combined by 2 to 4 the different long cylinders of diameter.
9. said a kind of adverse current Multi-stage rotary heat pipe hot-blast stove according to claim 1, is characterized in that: a stay-warm case is set outside whole hot-blast stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310337555.0A CN103398608B (en) | 2013-08-06 | 2013-08-06 | Countercurrent multistage rotating heat pipe hot blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310337555.0A CN103398608B (en) | 2013-08-06 | 2013-08-06 | Countercurrent multistage rotating heat pipe hot blast stove |
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| Publication Number | Publication Date |
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| CN103398608A true CN103398608A (en) | 2013-11-20 |
| CN103398608B CN103398608B (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310337555.0A Expired - Fee Related CN103398608B (en) | 2013-08-06 | 2013-08-06 | Countercurrent multistage rotating heat pipe hot blast stove |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615918A (en) * | 2013-11-29 | 2014-03-05 | 浙江九兴节能科技有限公司 | Energy-saving thermal oil furnace |
| CN105526815A (en) * | 2016-02-01 | 2016-04-27 | 黑龙江八一农垦大学 | Gas-phase rotary heat exchanger matched with grain drying machine |
| CN109608013A (en) * | 2018-11-14 | 2019-04-12 | 杭州职业技术学院 | A kind of cow dung biogas residue drying equipment |
| CN110542206A (en) * | 2019-09-27 | 2019-12-06 | 河北工业大学 | Indirect hot-blast stove |
| CN111964498A (en) * | 2020-08-21 | 2020-11-20 | 庄红梅 | Efficient circulating equipment for reducing energy consumption of gas power generation waste gas transmission |
| CN113328375A (en) * | 2021-04-21 | 2021-08-31 | 云南电网有限责任公司昭通供电局 | Method and device for maintaining outdoor power equipment |
| CN113418296A (en) * | 2021-05-20 | 2021-09-21 | 安徽益禾机械有限公司 | Hot-blast furnace that programming rate is fast |
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| JPS5595086A (en) * | 1979-01-10 | 1980-07-18 | Gadelius Kk | Rotary type heat pipe heat-exchanger |
| GB2422003A (en) * | 2005-01-06 | 2006-07-12 | Ford Global Tech Llc | Combined fan and heat exchanger |
| CN101929812A (en) * | 2010-08-19 | 2010-12-29 | 臧宝华 | Fan realizing converse heat exchange by utilizing hollow blades |
| CN202101528U (en) * | 2011-05-24 | 2012-01-04 | 季明樟 | Hot air furnace |
| CN203464815U (en) * | 2013-08-06 | 2014-03-05 | 浙江九兴节能科技有限公司 | Counter-current multistage rotary heat pipe hot blast stove |
-
2013
- 2013-08-06 CN CN201310337555.0A patent/CN103398608B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5595086A (en) * | 1979-01-10 | 1980-07-18 | Gadelius Kk | Rotary type heat pipe heat-exchanger |
| GB2422003A (en) * | 2005-01-06 | 2006-07-12 | Ford Global Tech Llc | Combined fan and heat exchanger |
| CN101929812A (en) * | 2010-08-19 | 2010-12-29 | 臧宝华 | Fan realizing converse heat exchange by utilizing hollow blades |
| CN202101528U (en) * | 2011-05-24 | 2012-01-04 | 季明樟 | Hot air furnace |
| CN203464815U (en) * | 2013-08-06 | 2014-03-05 | 浙江九兴节能科技有限公司 | Counter-current multistage rotary heat pipe hot blast stove |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615918A (en) * | 2013-11-29 | 2014-03-05 | 浙江九兴节能科技有限公司 | Energy-saving thermal oil furnace |
| CN105526815A (en) * | 2016-02-01 | 2016-04-27 | 黑龙江八一农垦大学 | Gas-phase rotary heat exchanger matched with grain drying machine |
| CN109608013A (en) * | 2018-11-14 | 2019-04-12 | 杭州职业技术学院 | A kind of cow dung biogas residue drying equipment |
| CN109608013B (en) * | 2018-11-14 | 2021-11-30 | 杭州职业技术学院 | Cow dung biogas residue drying equipment |
| CN110542206A (en) * | 2019-09-27 | 2019-12-06 | 河北工业大学 | Indirect hot-blast stove |
| CN111964498A (en) * | 2020-08-21 | 2020-11-20 | 庄红梅 | Efficient circulating equipment for reducing energy consumption of gas power generation waste gas transmission |
| CN113328375A (en) * | 2021-04-21 | 2021-08-31 | 云南电网有限责任公司昭通供电局 | Method and device for maintaining outdoor power equipment |
| CN113328375B (en) * | 2021-04-21 | 2022-05-27 | 云南电网有限责任公司昭通供电局 | Method and device for maintaining outdoor power equipment |
| CN113418296A (en) * | 2021-05-20 | 2021-09-21 | 安徽益禾机械有限公司 | Hot-blast furnace that programming rate is fast |
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| CN103398608B (en) | 2014-12-31 |
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