CN102563861A - Indirect straw hot blast heater - Google Patents
Indirect straw hot blast heater Download PDFInfo
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- CN102563861A CN102563861A CN2012100399008A CN201210039900A CN102563861A CN 102563861 A CN102563861 A CN 102563861A CN 2012100399008 A CN2012100399008 A CN 2012100399008A CN 201210039900 A CN201210039900 A CN 201210039900A CN 102563861 A CN102563861 A CN 102563861A
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- heat
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- heat room
- burner hearth
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Abstract
The invention relates to heat conduction equipment, and particularly discloses an indirect straw hot blast heater, which is used for indirectly realizing heat conduction and providing pure hot airflow for a grain dryer to dry grains and comprises a shell, an air preheating channel, an underframe, a hearth, a heat transfer chamber, a heat exchange chamber, a plurality of super-heat-conductivity pipes, a main flue, a smoke exhaust pipeline, a flue induced draft fan and a hot air induced draft fan. The heat transfer chamber is arranged on the upper portion of the hearth, a heat transfer chamber flow guide plate is disposed in the middle of the heat transfer chamber, a hot flue gas inlet of the heat transfer chamber is connected with a hot flue gas outlet of the hearth by the main flue, one end of the smoke exhaust pipeline is connected with a cold flue gas outlet, the other end of the smoke exhaust pipeline is connected with the flue induced draft fan, the heat exchange chamber is arranged on the heat transfer chamber, the super-heat-conductivity pipes are mounted on the heat exchange chamber, lower portions of the super-heat-conductivity pipes are directly inserted into the heat transfer chamber, the hot air induced draft fan is mounted at an outlet of a hot air channel, the air preheating channel is communicated with an air inlet hole, and the heat exchange chamber is communicated with the air preheating channel.
Description
Technical field
What indirect type stalk hot-blast stove of the present invention related to is a kind of heat transfer equipment, specifically is used for the indirect heat that provides and conducts, and offers the pure thermal current of foodstuff drying device as oven dry grain.
Background technology
In existing application, the indirect type hot-blast stove adopts heat exchanger usually at present, and the soot amount of stalk is big, can cause ash attached in the heat exchange pipeline in the long-time use, finally causes pipeline breaking.And need the device of interpolation picogram dragon dedusting in addition, and actual dust removing effects is also barely satisfactory.When present indirect type hot-blast stove fed in raw material, cold air directly got into burner hearth, caused the hot blast temperature range of decrease of output bigger, had influence on the utilization rate of heat exchange effect and heat energy, had prolonged the grain heat-drying time.
Summary of the invention
The objective of the invention is provides a kind of indirect type stalk hot-blast stove to the appeal weak point, produces reliable and stable pure hot blast and dries grain to foodstuff drying device, can improve the utilization rate of heat, thereby the device that can save the picogram dragon is again saved raw material.
Indirect type stalk hot-blast stove takes following technical scheme to realize:
Indirect type stalk hot-blast stove comprises furnace shell, air preheat passage, underframe, burner hearth, Heat Room, heat-exchanging chamber, super heat-conductive pipe, flue collector, smoke discharging pipe, chimney meatus draught fan and hot blast air-introduced machine.
Said furnace shell is installed in underframe top; Burner hearth is arranged on the underframe, and Heat Room is arranged on upper furnace, and the Heat Room middle part is provided with the Heat Room deflector; The Heat Room deflector has changed the flow direction of hot flue gas in Heat Room, has prolonged the time of staying of hot flue gas at Heat Room.The Heat Room side plate of Heat Room deflector one side is provided with hot smoke inlet, and the Heat Room side plate of Heat Room deflector opposite side is provided with the cold flue gas outlet.The hot smoke inlet of Heat Room is connected with the hot exhanst gas outlet of burner hearth through flue collector.One end of smoke discharging pipe links to each other with the cold flue gas outlet, and the other end of smoke discharging pipe links to each other with chimney meatus draught fan.Described Heat Room bottom is provided with oblique shape base plate, is convenient to ash discharge.
Be provided with heat-exchanging chamber on Heat Room top; Through thermal insulation board some super heat-conductive pipes are installed in the heat-exchanging chamber; The bottom of super heat-conductive pipe is directly inserted in the Heat Room; The top of super heat-conductive pipe has fin and partly is installed in the heat-exchanging chamber, is provided with hot-air channel in a side of heat-exchanging chamber, and the outlet of hot-air channel is equipped with the hot blast air-introduced machine.
The furnace shell of flue collector one side is provided with fresh air inlet, between Heat Room side plate and furnace shell, is provided with the air preheat passage, and the air preheat passage is connected with fresh air inlet.Heat-exchanging chamber is connected with the air preheat passage.
Said burner hearth both sides are equipped with refractory brick, and roof of the furnace is equipped with the burner hearth thermal insulation board, and burner hearth bottom is equipped with fire grate, and the burner hearth outside is equipped with fire door.
Both sides at Heat Room are provided with ash hole, and ash hole is equipped with the ash discharge flap.
Dispose touch control cabinet in furnace shell one side, be used to control flue blower fan and the work of hot blast air-introduced machine, and can monitor the hot blast temperature of seeing off.
Said super heat-conductive pipe is equipped with 50 at least.
Said Heat Room bottom is provided with oblique shape base plate, is convenient to ash discharge.
Said chimney meatus draught fan adopts commercially available air-introduced machine.The hot blast air-introduced machine adopts commercially available air-introduced machine.Said super heat-conductive pipe adopts commercially available finned heat pipe.
Operation principle
When indirect type stalk hot-blast stove uses; Stalk, rice husk, stalk piece are put into the burner hearth ignition, and the control cabinet with configuration configures the hot blast temperature that needs output then, presses the start button on the control cabinet again; Chimney meatus draught fan; The hot blast air-introduced machine is started working, and the hot flue gas that produces in the burner hearth is introduced Heat Room through flue collector, absorbs the heat of hot flue gas the inside again through the super heat-conductive pipe in the Heat Room; Be delivered to the super heat-conductive pipe top of heat-exchanging chamber, chimney meatus draught fan is transported to cold flue gas outdoor through smoke discharging pipe.Open the ash discharge flap and can say that the cigarette ash in the heat-exchanging chamber passes through oblique shape base plate discharge.The hot blast air-introduced machine is incorporated into clean air in the preheating channel through fresh air inlet; After carrying out preheating outside the smoke discharging pipe in the preheating channel, flue collector, the burner hearth outside, the Heat Room; Enter into heat-exchanging chamber; The super heat-conductive pipe of air after the preheating in heat-exchanging chamber carried out further heat exchange, great amount of heat is conducted to air, make air themperature reach 65 ℃-100 ℃ of setting values.Be transported on the foodstuff drying device through hot air duct, hot blast air-introduced machine, grain is dried processing.
Indirect type stalk hot blast stove design of the present invention is reasonable, and compact conformation is easy to use, quick heating, and service life of equipment is long, and volume is little, can utilize stalk, the rice husk of waste gas.The hot blast that can export cleaning is transported on the foodstuff drying device, and grain is dried processing, and the grain quality of oven dry is high, energy-conserving and environment-protective.The indirect type stalk hot-blast stove thermal efficiency of the present invention is high, can reach more than 65～80%.
Description of drawings
Below will combine accompanying drawing that the present invention is further specified:
Fig. 1 is an indirect type stalk hot-blast stove structural representation.
Fig. 2 is Fig. 1 indirect type stalk hot-blast stove A-A cutaway view.
The specific embodiment
With reference to accompanying drawing 1-2, indirect type stalk hot-blast stove comprises furnace shell 5, air preheat passage 9, underframe 1, burner hearth 3, Heat Room 8, heat-exchanging chamber 10, super heat-conductive pipe 11, flue collector 20, smoke discharging pipe 21, chimney meatus draught fan 19 and hot blast air-introduced machine 14.
Said furnace shell 5 is installed in underframe 1 top; Burner hearth 3 is arranged on the underframe 1, and Heat Room 8 is arranged on burner hearth 3 tops, and Heat Room 8 middle parts are provided with Heat Room deflector 7; Heat Room deflector 7 has changed the flow direction of hot flue gas in Heat Room 8, has prolonged the time of staying of hot flue gas at Heat Room 8.Be provided with ash hole 6 in the both sides of Heat Room 8, ash hole 6 is equipped with the ash discharge flap.The Heat Room side plate 17 of Heat Room deflector 7 one sides is provided with hot smoke inlet 26, and the Heat Room side plate 17 of Heat Room deflector 7 opposite sides is provided with cold flue gas outlet 25.The hot smoke inlet 26 of Heat Room is connected with the hot exhanst gas outlet 23 of burner hearth through flue collector 20.One end of smoke discharging pipe 21 links to each other with cold flue gas outlet 25, and the other end of smoke discharging pipe 21 links to each other with chimney meatus draught fan 19.
Be provided with heat-exchanging chamber 10 on Heat Room 8 tops; Through thermal insulation board 13 some super heat-conductive pipes 11 are installed in the heat-exchanging chamber 10; The bottom 16 of super heat-conductive pipe 11 is directly inserted in the Heat Room 8; Super heat-conductive pipe top has fin 12 parts and is installed in the heat-exchanging chamber 10, is provided with hot-air channel 22 in a side of heat-exchanging chamber 10, and hot-air channel outlet 15 is equipped with hot blast air-introduced machine 14.
The furnace shell 5 of flue collector 20 1 sides is provided with fresh air inlet 18, between Heat Room side plate 17 and furnace shell 5, is provided with air preheat passage 9, and air preheat passage 9 is connected with fresh air inlet 18.Heat-exchanging chamber 10 is connected with air preheat passage 9.
Said burner hearth 3 both sides are equipped with refractory brick 4, and burner hearth 3 tops are equipped with burner hearth thermal insulation board 24, and burner hearth 3 bottoms are equipped with fire grate 29, and burner hearth 3 outsides are equipped with fire door 2.
Be provided with ash hole 6 in the both sides of Heat Room 8, ash hole 6 is equipped with the ash discharge flap.
Said Heat Room 8 bottoms are provided with oblique shape base plate 28, are convenient to ash discharge.
Dispose touch control cabinet 27 in furnace shell 5 one sides, be used to control chimney meatus draught fan 19 and 14 work of hot blast air-introduced machine, and can monitor the hot blast temperature of seeing off.
Said chimney meatus draught fan 19 adopts commercially available air-introduced machine, and hot blast air-introduced machine 14 adopts commercially available air-introduced machine.Said super heat-conductive pipe 11 adopts commercially available finned heat pipe.
Said super heat-conductive pipe 11 is equipped with 50 at least.
Claims (7)
1. an indirect type stalk hot-blast stove is characterized in that: comprise furnace shell, air preheat passage, underframe, burner hearth, Heat Room, heat-exchanging chamber, super heat-conductive pipe, flue collector, smoke discharging pipe, chimney meatus draught fan and hot blast air-introduced machine;
Said furnace shell is installed in underframe top; Burner hearth is arranged on the underframe; Heat Room is arranged on upper furnace, and the Heat Room middle part is provided with the Heat Room deflector, and the Heat Room side plate of Heat Room deflector one side is provided with hot smoke inlet; The Heat Room side plate of Heat Room deflector opposite side is provided with the cold flue gas outlet; The hot smoke inlet of Heat Room is connected with the hot exhanst gas outlet of burner hearth through flue collector, and an end of smoke discharging pipe links to each other with the cold flue gas outlet, and the other end of smoke discharging pipe links to each other with chimney meatus draught fan;
Be provided with heat-exchanging chamber on Heat Room top; Through thermal insulation board some super heat-conductive pipes are installed in the heat-exchanging chamber; The bottom of super heat-conductive pipe is directly inserted in the Heat Room; The top of super heat-conductive pipe has fin and partly is installed in the heat-exchanging chamber, is provided with hot-air channel in a side of heat-exchanging chamber, and the outlet of hot-air channel is equipped with the hot blast air-introduced machine;
The furnace shell of flue collector one side is provided with fresh air inlet, between Heat Room side plate and furnace shell, is provided with the air preheat passage, and the air preheat passage is connected with fresh air inlet, and heat-exchanging chamber is connected with the air preheat passage.
2. indirect type stalk hot-blast stove according to claim 1 is characterized in that: said burner hearth both sides are equipped with refractory brick, and roof of the furnace is equipped with the burner hearth thermal insulation board, and burner hearth bottom is equipped with fire grate, and the burner hearth outside is equipped with fire door.
3. indirect type stalk hot-blast stove according to claim 1 is characterized in that: dispose touch control cabinet in furnace shell one side, be used to control flue blower fan and the work of hot blast air-introduced machine, and can monitor the hot blast temperature of seeing off.
4. indirect type stalk hot-blast stove according to claim 1, it is characterized in that: said super heat-conductive pipe adopts finned heat pipe.
5. indirect type stalk hot-blast stove according to claim 1, it is characterized in that: the both sides at Heat Room are provided with ash hole, and ash hole is equipped with the ash discharge flap.
6. indirect type stalk hot-blast stove according to claim 1 is characterized in that: said Heat Room bottom is provided with oblique shape base plate, is convenient to ash discharge.
7. indirect type stalk hot-blast stove according to claim 1 is characterized in that: said super heat-conductive pipe is equipped with 50 at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210039900.8A CN102563861B (en) | 2012-02-22 | 2012-02-22 | Indirect straw hot blast heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210039900.8A CN102563861B (en) | 2012-02-22 | 2012-02-22 | Indirect straw hot blast heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102563861A true CN102563861A (en) | 2012-07-11 |
| CN102563861B CN102563861B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210039900.8A Active CN102563861B (en) | 2012-02-22 | 2012-02-22 | Indirect straw hot blast heater |
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| CN (1) | CN102563861B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712337A (en) * | 2014-01-26 | 2014-04-09 | 裴登明 | Biomass fuel blast stove |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233167Y (en) * | 2008-06-13 | 2009-05-06 | 国家粮食储备局郑州科学研究设计院 | Stalk combustion furnace |
| CN202485205U (en) * | 2012-02-22 | 2012-10-10 | 无锡市久川机械设备有限公司 | Indirect type straw air heating furnace |
-
2012
- 2012-02-22 CN CN201210039900.8A patent/CN102563861B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233167Y (en) * | 2008-06-13 | 2009-05-06 | 国家粮食储备局郑州科学研究设计院 | Stalk combustion furnace |
| CN202485205U (en) * | 2012-02-22 | 2012-10-10 | 无锡市久川机械设备有限公司 | Indirect type straw air heating furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712337A (en) * | 2014-01-26 | 2014-04-09 | 裴登明 | Biomass fuel blast stove |
| CN103712337B (en) * | 2014-01-26 | 2016-08-24 | 裴登明 | A kind of biomass fuel hot air stove |
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| Publication number | Publication date |
|---|---|
| CN102563861B (en) | 2014-04-02 |
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