CN108518863B - Energy-saving safe and efficient hot blast stove - Google Patents
Energy-saving safe and efficient hot blast stove Download PDFInfo
- Publication number
- CN108518863B CN108518863B CN201810308564.XA CN201810308564A CN108518863B CN 108518863 B CN108518863 B CN 108518863B CN 201810308564 A CN201810308564 A CN 201810308564A CN 108518863 B CN108518863 B CN 108518863B
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- Prior art keywords
- heat conduction
- conduction oil
- pipe
- hot
- heat
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 238000005338 heat storage Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000012774 insulation material Substances 0.000 claims description 2
- 239000011229 interlayer Substances 0.000 claims description 2
- 239000011324 bead Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 238000001035 drying Methods 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Baking, Grill, Roasting (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses an energy-saving safe and efficient hot blast stove, which is characterized in that a combustion furnace is arranged on the left side of a stove body of the hot blast stove, a combustion chamber is arranged at the upper end of the combustion furnace, a discharge flue is arranged at the right upper end of the combustion chamber, a heat conducting oil pipe is arranged on the right side of the stove body, a composite pipe is respectively formed by an inner pipe and an outer pipe, heat conducting oil is arranged in the composite pipe, the upper end and the lower end of the inner pipe are respectively welded and fixed in through holes of an upper metal connecting fixing plate and a lower metal connecting fixing plate to form a heat smoke channel which is communicated and sealed up and down, the upper end and the lower end of the outer pipe are respectively welded and fixed in connecting holes of the upper connecting fixing plate and the lower connecting fixing plate, and the heat smoke channel and the inner pipe are combined into a heat-storing and radiating heat conducting oil pipe.
Description
Technical Field
The invention relates to a device for providing a heat source for drying equipment, in particular to an energy-saving and efficient hot blast stove.
Background
At present, the hot blast stove applied to the drying equipment is mainly a shell and tube heat exchanger hot blast stove, and the traditional hot blast stove has the following defects due to design limitation, namely, the hot blast stove has low heat efficiency and large heat loss of combined parts, wherein the heat loss of a combustion furnace is about 10 percent, and the heat loss of a shell and tube heat exchanger is also more than 25 percent. Secondly, the service life is short, the service life of the tube-in-tube heat exchanger is only about three years, and the tube-in-tube heat exchanger mainly has heat exchange dead angles at the parts of the heat exchanger pipelines, and the dead angle parts are insufficient in heat exchange and are easy to burn out after long-time high-temperature roasting. Thirdly, the pipeline at the dead angle is burnt out and leaks fire, sparks enter the drying equipment along with hot air to cause fire disaster, and the fire disaster and accidents of the drying tower occur every year, so that the drying tower collapses and the personal casualties are caused, and the life and property of people are threatened. Therefore, there is a great demand for an energy-saving, safe and efficient hot blast stove.
Disclosure of Invention
The invention aims to provide an energy-saving, safe and efficient hot blast stove, which solves the defects of high consumption, multiple accidents and short service life of the traditional hot blast stove and ensures the life and property safety of drying operators.
The scheme of the invention consists of a hot blast stove body, a combustion chamber, heat conduction oil pipes and a wind shield, and is structurally characterized in that the left side of the hot blast stove body is provided with the combustion furnace, the lower middle part of the combustion furnace is provided with a grate, the lower end of the grate is provided with an air inlet, the lower end of the air inlet is provided with a dust removing opening, the upper end of the grate is provided with the combustion chamber, the upper right end of the combustion chamber is provided with a discharge flue, the outer side of the periphery of the combustion furnace wall is provided with an outer heat conduction oil duct, heat conduction oil is arranged in the outer heat conduction oil duct, and the right side of the stove body is provided with the heat conduction oil pipes. The heat conduction oil pipe is respectively composed of an inner pipe and an outer pipe to form a composite pipe, heat conduction oil is arranged in the composite pipe, an upper metal connecting fixed plate is arranged at the upper end of the inner pipe, a lower metal connecting fixed plate is arranged at the lower end of the inner pipe, through holes are sequentially formed in the upper metal connecting fixed plate and the lower metal connecting fixed plate, the upper end and the lower end of the inner pipe are respectively welded and fixed in the through holes of the upper metal connecting fixed plate and the lower metal connecting fixed plate, a hot smoke channel which is communicated and sealed up from top to bottom is formed in the through holes of the upper metal connecting fixed plate and the lower metal connecting fixed plate, a hot smoke inlet hole is formed in the upper end and the lower end of the outer pipe, connecting holes are sequentially formed in the upper end and the lower connecting fixed plate, the upper end and the lower end of the outer pipe are respectively welded and fixed in the connecting holes of the upper connecting fixed plate and the lower connecting fixed plate, the heat conduction oil pipe and the inner pipe are combined to form a heat storage and radiating heat conduction oil pipe, the heat conduction oil pipe is sequentially and evenly arranged and fixed in a furnace body, a wind blocking plate is arranged at the lower middle of the heat conduction oil pipe, a hot air discharge channel is arranged at the right end of the heat conduction oil pipe, an exhaust duct is arranged in the through holes, an exhaust duct is arranged on the upper end of the heat pipe, an exhaust hole, a heat conduction oil outlet is arranged, a heat insulating material is arranged on the upper end, and the heat insulating heat pipe, and a heat insulating material.
During operation, hot flue gas rising from the combustion chamber flows through the exhaust flue to enter the heat conduction oil pipe inner pipe, high-temperature heat energy carried by the hot flue gas is quickly absorbed by heat conduction oil through the heat conduction oil pipe inner pipe, the heat conduction oil after temperature rising heats air through the heat conduction oil pipe outer pipe, cold air from the cold air inlet flows inwards through a channel at the inner side of the wind shield from the bottom end of the wind shield and then upwards enters the upper end of the wind shield, the heated air flows enter the exhaust duct through the heat conduction oil pipe, the heated air flows continue to heat through the heat conduction oil ducts around the combustion furnace, and finally the heated air is discharged to the drying equipment through the hot air outlet for heat supply.
The invention has the advantages of simple structure, reasonable design, convenient processing and production, safe use, energy conservation, high efficiency and long service life.
Further details are described below with reference to the drawings.
Drawings
FIG. 1 is a schematic diagram of a hot blast stove;
fig. 2 is a schematic top view of the stove.
Detailed Description
The left side of the hot-blast stove body 19 shown in fig. 1-2 is provided with a combustion furnace 6, the lower middle part of the combustion furnace is provided with a grate 3, the lower end of the grate is provided with an air inlet 2, the lower end of the air inlet is provided with a dust cleaning opening 1, the upper end of the grate is provided with a combustion chamber 7, the upper right end of the combustion chamber is provided with a discharge flue 10, the outer side of the periphery of the combustion furnace wall is provided with an outer heat conduction oil duct 8, heat conduction oil 9 is arranged in the outer heat conduction oil duct, and the right side of the stove body is provided with a heat conduction oil pipe 28. The heat conduction oil pipe is respectively composed of an inner pipe 13 and an outer pipe 14 to form a composite pipe, heat conduction oil 9 is arranged in the composite pipe, an upper metal connecting and fixing plate 11 is arranged at the upper end of the inner pipe, a lower metal connecting and fixing plate 27 is arranged at the lower end of the inner pipe, through holes are sequentially formed in the upper metal connecting and fixing plate and the lower metal connecting and fixing plate, the upper end and the lower end of the inner pipe 13 are respectively welded and fixed in the through holes of the upper metal connecting and fixing plate and the lower metal connecting and fixing plate to form a hot smoke channel which is communicated and sealed up and down, a hot smoke air inlet hole 15 is formed at the upper end of the hot smoke channel, an upper connecting and fixing plate 12 and a lower connecting and fixing plate 26 are respectively arranged at the upper end and the lower end of the outer pipe 14, connecting holes are sequentially formed in the upper connecting and lower connecting and fixing plates respectively welded and fixing the upper end and the lower end of the outer pipe 14, the heat storage and radiating heat conduction oil pipe is combined with the inner pipe, the heat conduction oil pipe is sequentially and evenly arranged and fixed in the furnace body, the wind shield 21 is arranged at the lower middle part of the heat conduction oil pipe, the hot air discharge channel 20 is arranged on the right side of the heat conduction oil pipe, the exhaust channel 16 is arranged at the upper end of the hot air discharge channel, the hot air outlet 4 is arranged on the furnace body on the left side of the exhaust channel, the induced draft fan 5 is arranged on the hot air outlet, the cold air inlet 22 is arranged on the right side of the furnace body, the exhaust flue 24 is arranged at the lower end of the heat conduction oil pipe, the smoke exhaust fan 25 is arranged on the right side of the exhaust flue, the heat insulation material 17 is arranged in the interlayer of the furnace body, the heat conduction oil pipe is provided with the heat conduction oil filling port 18, and the oil drain hole 23 is arranged at the lower end.
Claims (3)
1. The utility model provides an energy-conserving safe efficient hot-blast furnace, comprises hot-blast furnace body, combustion chamber, heat conduction oil pipe and deep bead, its characterized in that: the left side of the hot-blast stove body (19) is provided with a combustion furnace (6), the lower middle part of the combustion furnace is provided with a grate (3), the lower end of the grate is provided with an air inlet (2), the lower end of the air inlet is provided with an ash cleaning opening (1), the upper end of the grate is provided with a combustion chamber (7), the right upper end of the combustion chamber is provided with an upper discharge flue (10), the peripheral outer side of the combustion furnace wall is provided with an outer heat conduction oil duct (8), heat conduction oil (9) is arranged in the outer heat conduction oil duct, the right side of the stove body is provided with a heat conduction oil pipe (28), the heat conduction oil pipes are respectively combined into a composite pipe by an inner pipe (13) and an outer pipe (14), the upper end of the inner pipe is provided with an upper metal connecting and fixing plate (11), and the lower end is provided with a lower metal connecting and fixing plate (27), the upper and lower metal connection fixed plates are sequentially provided with through holes, the upper and lower ends of the inner tube (13) are respectively welded and fixed in the through holes of the upper and lower metal connection fixed plates to form a hot smoke channel which is communicated and sealed up and down, the upper end of the hot smoke channel is provided with a hot smoke air inlet hole (15), the upper and lower ends of the outer tube (14) are respectively provided with an upper connection fixed plate (12) and a lower connection fixed plate (26), the upper and lower connection fixed plates are sequentially provided with connecting holes, the upper and lower ends of the outer tube (14) are respectively welded and fixed in the connecting holes of the upper and lower connection fixed plates, the inner tube and the inner tube are combined into a heat storage and radiation heat conduction oil tube, the heat conduction oil tube is sequentially and evenly arranged and fixed in the furnace body, the lower middle part of the heat conduction oil tube is provided with a wind shield (21), the heat conduction oil pipe
Is provided with a hot air discharge channel (20), the upper end of the hot air discharge channel is provided with an exhaust channel (16), the left furnace body of the exhaust channel is provided with a hot air outlet (4), the right side of the furnace body is provided with a cold air inlet (22), the lower end of the heat conduction oil pipe is provided with a lower exhaust flue (24), and the right side of the lower exhaust flue is provided with a smoke exhaust fan (25).
2. The energy-saving safe and efficient hot blast stove according to claim 1, characterized in that: and the hot air outlet is provided with an induced draft fan (5).
3. The energy-saving safe and efficient hot blast stove according to claim 1, characterized in that: the interlayer of the furnace body is internally provided with a heat insulation material (17), the upper end of the heat conduction oil pipe is provided with a heat conduction oil filling port (18), and the lower end of the heat conduction oil pipe is provided with an oil drain hole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810308564.XA CN108518863B (en) | 2018-04-09 | 2018-04-09 | Energy-saving safe and efficient hot blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810308564.XA CN108518863B (en) | 2018-04-09 | 2018-04-09 | Energy-saving safe and efficient hot blast stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108518863A CN108518863A (en) | 2018-09-11 |
| CN108518863B true CN108518863B (en) | 2023-11-28 |
Family
ID=63430727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810308564.XA Active CN108518863B (en) | 2018-04-09 | 2018-04-09 | Energy-saving safe and efficient hot blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518863B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709982A (en) * | 2021-02-01 | 2021-04-27 | 赤峰红山圣火生物质能科技开发有限公司 | High-efficiency energy-saving gasification combustion hot-blast stove |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940081A (en) * | 2014-04-29 | 2014-07-23 | 徐州市佳谷环保科技有限公司 | Biomass hot blast stove |
| KR101465069B1 (en) * | 2013-12-24 | 2014-11-25 | 오재진 | a hot blast heater and boiler using heat transfering oil |
| CN204329319U (en) * | 2014-11-11 | 2015-05-13 | 郑州职业技术学院 | Biomass Briquette Hot-blast Stove |
| CN107642770A (en) * | 2017-11-02 | 2018-01-30 | 桂林市宏远环保设备制造有限公司 | A kind of boiler of dual heat transfer |
| CN206959340U (en) * | 2017-06-15 | 2018-02-02 | 天津滨海新区大港圣益油脂有限公司 | A kind of heat conducting oil boiler for lifting heat utilization efficiency |
-
2018
- 2018-04-09 CN CN201810308564.XA patent/CN108518863B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101465069B1 (en) * | 2013-12-24 | 2014-11-25 | 오재진 | a hot blast heater and boiler using heat transfering oil |
| CN103940081A (en) * | 2014-04-29 | 2014-07-23 | 徐州市佳谷环保科技有限公司 | Biomass hot blast stove |
| CN204329319U (en) * | 2014-11-11 | 2015-05-13 | 郑州职业技术学院 | Biomass Briquette Hot-blast Stove |
| CN206959340U (en) * | 2017-06-15 | 2018-02-02 | 天津滨海新区大港圣益油脂有限公司 | A kind of heat conducting oil boiler for lifting heat utilization efficiency |
| CN107642770A (en) * | 2017-11-02 | 2018-01-30 | 桂林市宏远环保设备制造有限公司 | A kind of boiler of dual heat transfer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108518863A (en) | 2018-09-11 |
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