CN208154941U - A kind of more backhaul hot air circulation combustion type hot air furnace heating plants - Google Patents
A kind of more backhaul hot air circulation combustion type hot air furnace heating plants Download PDFInfo
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- CN208154941U CN208154941U CN201820067846.0U CN201820067846U CN208154941U CN 208154941 U CN208154941 U CN 208154941U CN 201820067846 U CN201820067846 U CN 201820067846U CN 208154941 U CN208154941 U CN 208154941U
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Abstract
The utility model discloses a kind of more backhaul hot air circulation combustion type hot air furnace heating plants, belongs to processing of farm products equipment technical field.Including heat supply cabinet, hot-blast stove, hot air circulating pipe, chimney, exhaust fan and air-heater, hot-blast stove, hot air circulating pipe, air-heater are placed in heat supply cabinet, and air-heater is set to heat supply box back surface or top；Hot air circulating pipe is three backhaul hot air circulating pipe structure of double-row vertical, is made of upper circular tube road, lower circulating line, horizontal cyclic pipeline and smoke evacuation circulating line；Upper circular tube road is distributed in right above hearth of hot-blast stove and communicates with burner hearth, and upper circular tube road is connected to through horizontal cyclic pipeline with lower circulating line, and lower circulating line connects chimney through smoke evacuation circulating line.The external end head of horizontal cyclic pipeline is provided with upper cleaning door by the tank wall of heat supply cabinet, and one end of circulating line of discharging fume is provided with lower deashing hole by the side wall of heat supply cabinet.Has many advantages, such as heating efficiency height, no dead angle deashing, at low cost, structure are simple and convenient to operate.
Description
Technical field
The utility model relates to a kind of heating plant, especially a kind of more backhaul hot air circulation combustion type hot air furnaces are for hot charging
It sets, belongs to processing of farm products equipment technical field.
Background technique
Drying（It is dry）Processing is one of the important process process of agricultural product production and processing industry, and drying equipment is agriculture life
Fresh product is able to the important leverage being processed in time, to have warehouse logistics and remote terms of trade.
Drying equipment for product after crop harvesting both at home and abroad, it is most of that product is realized using hot-air drying technology
Drying processing, also has in special circumstances using drying process such as infra-red drying, microwave drying, vacuum drying.Using heated-air drying
When technique, the composition of drying equipment is relatively succinct, and cost is relatively low for device fabrication and dry processing, has to most of crops
Well adapting to property, thus hot-air drying technology is widely used in the dry processing of the fresh product of agricultural.
Drying equipment based on hot-air drying technology first has to the supply for solving the problems, such as hot wind.It is applied to drying at present to set
Standby hot air supply device mainly has the hot air apparatus such as combustion type hot air device, electric-heating heat wind apparatus, solar energy and heat pump,
Wherein combustion type hot air device is relatively high due to integrating sexual valence, and adaptability is stronger, with most in existing agricultural product drying field
Be it is extensive, be particularly suitable for rural area family with small-sized fruit and vegetable drying equipment.
The core of combustion type hot air furnace heating plant is hot-blast stove.By hot-blast stove, fuel can be passed through（Coal-fired, wood
Bavin, biomass granule fuel, fuel oil, methanol, natural gas etc.）Burning obtain energy heats air to obtain for drying object
The hot wind of material.Since the burning of fuel and the heating of hot wind are a complicated processes, the hot working efficiency of air heating device is not
The fuel combustion conditions only determined by the structure of right material characteristic and hot-blast stove are influenced, also with the heat exchanger of hot air apparatus with
The heat exchange conditions that circulating fan type selecting is determined are related, and the hot working efficiency of hot air apparatus is that influence hot-air drying device is whole
An important factor for body performance indicator.Therefore, for the fuel combustion conditions and heat exchange conditions of combustion type hot air furnace heating plant
Improvement and equipment cost performance promotion the problems such as research be one long-term, complicated and arduous Integration ofTechnology and innovation work
Make.
In recent years, with the progress of the relevant technologies and agricultural production is intensive, development of scale, combustion type hot air furnace is supplied
Thermal thermal property being continuously improved and being promoted as energy-saving, upgrading synergy the important way of realization drying processing
Diameter is taken seriously, and content is related to combustion technology, thermal technology principle, automatic control, utilization of new energy resources and energy-saving, Advanced Equipment
The innovations of technologies such as manufacture and integrated application are especially improving device efficiency, improve economic and technical norms and are expanding product adaptation
Property etc. makes great progress.However, the research and development, production of the talents for agri-mechanization in China are still in primary rank at present
Section, existing combustion type hot air heating plant in the prevalence of fuel burning it is insufficient, heat transfer effect is bad the problems such as, often lead
Cause hot working efficiency is not high, energy waste is prominent, and using effect is poor, often results in the deficiency and life of baking process heating load
Produce the increase of cost.
Summary of the invention
The technical problems to be solved in the utility model is for existing combustion type hot air furnace heating apparatus burns effect is poor, changes
The problems such as thermal efficiency is low, equipment manufacturing costs are high, deashing is not thorough provides a kind of more backhaul hot air circulation combustion type hot air furnace confessions
Thermal increases heat exchange area using more backhaul heat exchange structures and multi-faceted deashing mouth structure, improves heat exchange efficiency, realizes nothing
Dead angle deashing.
In order to solve the above technical problems, the utility model proposes a kind of more backhaul hot air circulation combustion type hot air furnaces for hot charging
It sets, including heat supply cabinet 10, hot-blast stove 3, hot air circulating pipe 5, chimney 8, exhaust fan 7 and air-heater 9, hot-blast stove 3, hot air circulation
Pipe 5, air-heater 9 are placed in heat supply cabinet 10, and loaded on chimney 8, the feed opening 2 and cleaning door 1 of hot-blast stove 3 are set to exhaust fan 7
10 front of heat supply cabinet, air-heater 9 are set to 10 back side of heat supply cabinet or top；Hot air circulating pipe 5 is three backhaul of double-row vertical
Hot air circulating pipe structure, every thermal wind exhausting circulating line is by two upper circular tube road 5-1, lower circulating line 5-3, horizontal cyclic pipe
Road 5-2 and smoke evacuation circulating line 5-4 are constituted, and each upper circular tube road 5-1 is uniformly distributed in right above 3 burner hearth of hot-blast stove, upper circulation
The lower end of pipeline 5-1 is communicated with the burner hearth of hot-blast stove 3, and upper circular tube road 5-1 is through horizontal cyclic pipeline 5-2 and lower circulating line 5-
3 connections, the lower lower end circulating line 5-3 connection smoke evacuation circulating line 5-4, circulating line 5-4 connection chimney 8 of discharging fume.Using double
Vertical three backhauls hot air circulating pipe structure, especially with the further heat exchange of smoke evacuation circulating line 5-4, so that hot-blast stove produces
Raw flue gas can sufficiently carry out heat exchange, maximally utilise the heat of flue gas, substantially increase the thermal effect of hot-blast stove
Rate makes the energy consumption of whole device decline to a great extent.
The external end head of the horizontal cyclic pipeline 5-2 is provided with upper cleaning door 6, upper cleaning door by the tank wall of heat supply cabinet 10
6 are externally provided with deashing lid；Smoke evacuation mono- end circulating line 5-4 is provided with lower deashing hole 4 by the side wall of heat supply cabinet 10, lower clear
Grey mouth 4 is externally provided with lower deashing hole lid.The setting of upper and lower cleaning door, so that not having to the deashing of the hot air circulating pipe of hot-blast stove 3
Dead angle can be convenient, effectively remove cigarette ash in hot air circulating pipe, guarantees the normal work and fuel combustion for hot cell
Efficiency, and reduce energy consumption.
Preferably, the furnace height of the hot-blast stove 3 is 580-820mm, furnace diameter 380-650mm, specific root
Factually border it needs to be determined that.
Preferably, the proportionate relationship of the exhaust air rate of the exhaust fan 7 and hot-blast stove rated power is every 10,000 kilocalories of 100-
300m3/h is determined with specific reference to actual needs.
Preferably, the proportionate relationship of the air quantity of the air-heater 9 and hot-blast stove rated power is every 10,000 kilocalories of 1500-
4000 m3/h are determined with specific reference to actual needs.
Preferably, the proportionate relationship of the heat exchange area of the heating plant and hot-blast stove rated power is 0.8-1.5 ㎡,
It is determined with specific reference to actual needs.
The heat exchange area of the heating plant is the outer wall and the sum of outer wall area of hot air circulating pipe 5 of hot-blast stove 3, other
Heat exchange area is ignored.
The utility model is sufficiently carrying out the same of heat exchange using more backhaul hot air circulating pipes and smoke evacuation circulating line structure
When, also a part of flue is placed in inside heating plant and is utilized as heat exchange pipeline, so as to maximally utilise furnace
The thermal energy of sub- flue gas, greatly improves the thermal efficiency.Simultaneously as opening up upper and lower cleaning door in appropriate position, it is dead to avoid deashing
Angle.Compared with prior art, the utility model is high with heating efficiency, manufacturing cost is low, structure is simple and convenient to operate, without clear
The advantages that grey dead angle.
Detailed description of the invention
Fig. 1 is the utility model schematic front view.
Fig. 2 is the utility model left view schematic diagram.
Fig. 3 is the utility model schematic top plan view.
In figure：1- cleaning door, 2- feed opening, 3- hot-blast stove, 4- lower deashing hole, 5- hot air circulating pipe, 5-1- upper circular tube
Road, 5-2- horizontal cyclic pipeline, circulating line under 5-3-, 5-4- discharge fume circulating line, the upper cleaning door of 6-, 7- exhaust fan, 8- cigarette
Chimney, 9- air-heater, 10- heat supply cabinet.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is further described in detail.It is not infused in embodiment
The conventional products that bright technology or product is the prior art or can be obtained by purchase.
Embodiment 1：As shown in Figure 1-3, this more backhaul hot air circulation combustion type hot air furnace heating plant includes heat supply cabinet
10, hot-blast stove 3, hot air circulating pipe 5, chimney 8, exhaust fan 7 and air-heater 9, hot-blast stove 3, hot air circulating pipe 5, air-heater 9 are placed in
In heat supply cabinet 10, for exhaust fan 7 loaded on chimney 8, the feed opening 2 and cleaning door 1 of hot-blast stove 3 are set to 10 front of heat supply cabinet,
Air-heater 9 is set to 10 back side of heat supply cabinet；Hot air circulating pipe 5 is three backhaul hot air circulating pipe structure of double-row vertical, every heat extraction
Wind circulating line is by two upper circular tube road 5-1, lower circulating line 5-3, horizontal cyclic pipeline 5-2 and smoke evacuation circulating line 5-4
It constitutes, each upper circular tube road 5-1 is uniformly distributed in right above 3 burner hearth of hot-blast stove, the lower end of upper circular tube road 5-1 and hot-blast stove 3
Burner hearth communicate, upper circular tube road 5-1 is connected to through horizontal cyclic pipeline 5-2 with lower circulating line 5-3, under lower circulating line 5-3
End connection smoke evacuation circulating line 5-4, circulating line 5-4 connection chimney 8 of discharging fume.The external end head of horizontal cyclic pipeline 5-2 passes through confession
The tank wall of hot tank body 10 is provided with cleaning door 6, and upper cleaning door 6 is externally provided with deashing lid；Smoke evacuation mono- end circulating line 5-4 is logical
The side wall for crossing heat supply cabinet 10 is provided with lower deashing hole 4, and lower deashing hole 4 is externally provided with lower deashing hole lid.
In the present embodiment, the furnace height of hot-blast stove 3 is 580mm, furnace diameter 380mm.The exhaust air rate of exhaust fan 7
Proportionate relationship with hot-blast stove rated power is every 10,000 kilocalories of 100m3/h.The air quantity of air-heater 9 and hot-blast stove rated power
Proportionate relationship is every 10,000 kilocalorie of 1500 m3/h.The heat exchange area of heating plant and the proportionate relationship of hot-blast stove rated power are
0.8㎡.The heat exchange area of heating plant is the sum of outer wall and outer wall area of hot air circulating pipe 5 of hot-blast stove 3, other heat-transfer surfaces
Product is ignored.
Embodiment 2：As shown in Figure 1-3, this more backhaul hot air circulation combustion type hot air furnace heating plant includes heat supply cabinet
10, hot-blast stove 3, hot air circulating pipe 5, chimney 8, exhaust fan 7 and air-heater 9, hot-blast stove 3, hot air circulating pipe 5, air-heater 9 are placed in
In heat supply cabinet 10, for exhaust fan 7 loaded on chimney 8, the feed opening 2 and cleaning door 1 of hot-blast stove 3 are set to 10 front of heat supply cabinet,
Air-heater 9 is set to 10 back side of heat supply cabinet；Hot air circulating pipe 5 is three backhaul hot air circulating pipe structure of double-row vertical, every heat extraction
Wind circulating line is by two upper circular tube road 5-1, lower circulating line 5-3, horizontal cyclic pipeline 5-2 and smoke evacuation circulating line 5-4
It constitutes, each upper circular tube road 5-1 is uniformly distributed in right above 3 burner hearth of hot-blast stove, the lower end of upper circular tube road 5-1 and hot-blast stove 3
Burner hearth communicate, upper circular tube road 5-1 is connected to through horizontal cyclic pipeline 5-2 with lower circulating line 5-3, under lower circulating line 5-3
End connection smoke evacuation circulating line 5-4, circulating line 5-4 connection chimney 8 of discharging fume.The external end head of horizontal cyclic pipeline 5-2 passes through confession
The tank wall of hot tank body 10 is provided with cleaning door 6, and upper cleaning door 6 is externally provided with deashing lid；Smoke evacuation mono- end circulating line 5-4 is logical
The side wall for crossing heat supply cabinet 10 is provided with lower deashing hole 4, and lower deashing hole 4 is externally provided with lower deashing hole lid.
In the present embodiment, the furnace height of hot-blast stove 3 is 700mm, furnace diameter 500mm.The exhaust air rate of exhaust fan 7
Proportionate relationship with hot-blast stove rated power is every 10,000 kilocalories of 200m3/h.The air quantity of air-heater 9 and hot-blast stove rated power
Proportionate relationship is every 10,000 kilocalorie of 2500 m3/h.The heat exchange area of heating plant and the proportionate relationship of hot-blast stove rated power are
1.0㎡.The heat exchange area of heating plant is the sum of outer wall and outer wall area of hot air circulating pipe 5 of hot-blast stove 3, other heat-transfer surfaces
Product is ignored.
Embodiment 3：As shown in Figure 1-3, this more backhaul hot air circulation combustion type hot air furnace heating plant includes heat supply cabinet
10, hot-blast stove 3, hot air circulating pipe 5, chimney 8, exhaust fan 7 and air-heater 9, hot-blast stove 3, hot air circulating pipe 5, air-heater 9 are placed in
In heat supply cabinet 10, for exhaust fan 7 loaded on chimney 8, the feed opening 2 and cleaning door 1 of hot-blast stove 3 are set to 10 front of heat supply cabinet,
Air-heater 9 is set to the top of heat supply cabinet 10；Hot air circulating pipe 5 is three backhaul hot air circulating pipe structure of double-row vertical, every row
Hot air circulating pipe is by two upper circular tube road 5-1, lower circulating line 5-3, horizontal cyclic pipeline 5-2 and smoke evacuation circulating line 5-
4 are constituted, and each upper circular tube road 5-1 is uniformly distributed in right above 3 burner hearth of hot-blast stove, the lower end of upper circular tube road 5-1 and hot-blast stove 3
Burner hearth communicate, upper circular tube road 5-1 is connected to through horizontal cyclic pipeline 5-2 with lower circulating line 5-3, under lower circulating line 5-3
End connection smoke evacuation circulating line 5-4, circulating line 5-4 connection chimney 8 of discharging fume.The external end head of horizontal cyclic pipeline 5-2 passes through confession
The tank wall of hot tank body 10 is provided with cleaning door 6, and upper cleaning door 6 is externally provided with deashing lid；Smoke evacuation mono- end circulating line 5-4 is logical
The side wall for crossing heat supply cabinet 10 is provided with lower deashing hole 4, and lower deashing hole 4 is externally provided with lower deashing hole lid.
In the present embodiment, the furnace height of hot-blast stove 3 is 820mm, furnace diameter 650mm.The exhaust air rate of exhaust fan 7
Proportionate relationship with hot-blast stove rated power is every 10,000 kilocalories of 300m3/h.The air quantity of air-heater 9 and hot-blast stove rated power
Proportionate relationship is every 10,000 kilocalorie of 4000 m3/h.The heat exchange area of heating plant and the proportionate relationship of hot-blast stove rated power are
1.5㎡.The heat exchange area of heating plant is the sum of outer wall and outer wall area of hot air circulating pipe 5 of hot-blast stove 3, other heat-transfer surfaces
Product is ignored.
It is described above in conjunction with technology contents of the attached drawing to the utility model, but the protection scope of the utility model is not
It is limited to the content, it within the knowledge of one of ordinary skill in the art, can also be not depart from this practical new
The technology contents of the utility model are made a variety of changes under the premise of type objective, it is all the spirit and principles of the utility model it
Any modification, equivalent substitution, improvement and etc. that are interior, being done, should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of more backhaul hot air circulation combustion type hot air furnace heating plants, it is characterised in that：The hot-blast stove heating plant by
Heat supply cabinet（10）, hot-blast stove（3）, hot air circulating pipe（5）, chimney（8）, exhaust fan（7）And air-heater（9）Composition, hot-blast stove
（3）, hot air circulating pipe（5）, air-heater（9）It is placed in heat supply cabinet（10）It is interior, exhaust fan（7）Loaded on chimney（8）On, hot-blast stove
（3）Feed opening（2）And cleaning door（1）Set on heat supply cabinet（10）Front, air-heater（9）Set on heat supply cabinet（10）The back side or
Person top；Hot air circulating pipe（5）For three backhaul hot air circulating pipe structure of double-row vertical, every thermal wind exhausting circulating line is by two
Circulating line（5-1）, lower circulating line（5-3）, horizontal cyclic pipeline（5-2）With smoke evacuation circulating line（5-4）Constitute, it is each on follow
Endless tube road（5-1）It is uniformly distributed in hot-blast stove（3）Right above burner hearth, upper circular tube road（5-1）Lower end and hot-blast stove（3）Furnace
Thorax communicates, upper circular tube road（5-1）Through horizontal cyclic pipeline（5-2）With lower circulating line（5-3）Connection, lower circulating line（5-
3）Lower end connection smoke evacuation circulating line（5-4）, circulating line of discharging fume（5-4）Connect chimney（8）.
2. more backhaul hot air circulation combustion type hot air furnace heating plants according to claim 1, it is characterised in that：The water
Flat circulating line（5-2）External end head pass through heat supply cabinet（10）Tank wall be provided with cleaning door（6）, upper cleaning door（6）Peripheral hardware
There is upper deashing lid；Smoke evacuation circulating line（5-4）One end passes through heat supply cabinet（10）Side wall be provided with lower deashing hole（4）, under
Cleaning door（4）It is externally provided with lower deashing hole lid.
3. more backhaul hot air circulation combustion type hot air furnace heating plants according to claim 1 or 2, it is characterised in that：Institute
State hot-blast stove（3）Furnace height be 580-820mm, furnace diameter 380-650mm.
4. more backhaul hot air circulation combustion type hot air furnace heating plants according to claim 1 or 2, it is characterised in that：Institute
State exhaust fan（7）Exhaust air rate and hot-blast stove rated power proportionate relationship be every 10,000 kilocalories of 100-300m3/h.
5. more backhaul hot air circulation combustion type hot air furnace heating plants according to claim 1 or 2, it is characterised in that：Institute
State air-heater（9）Air quantity and hot-blast stove rated power proportionate relationship be every 10,000 kilocalories of 1500-4000 m3/h.
6. -2 described in any item more backhaul hot air circulation combustion type hot air furnace heating plants, feature exist according to claim 1
In：The heat exchange area of the heating plant and the proportionate relationship of hot-blast stove rated power are 0.8-1.5 ㎡.
7. more backhaul hot air circulation combustion type hot air furnace heating plants according to claim 6, it is characterised in that：The confession
The heat exchange area of thermal is hot-blast stove（3）Outer wall and hot air circulating pipe（5）The sum of outer wall area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067846.0U CN208154941U (en) | 2018-01-16 | 2018-01-16 | A kind of more backhaul hot air circulation combustion type hot air furnace heating plants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067846.0U CN208154941U (en) | 2018-01-16 | 2018-01-16 | A kind of more backhaul hot air circulation combustion type hot air furnace heating plants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208154941U true CN208154941U (en) | 2018-11-27 |
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ID=64413640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820067846.0U Active CN208154941U (en) | 2018-01-16 | 2018-01-16 | A kind of more backhaul hot air circulation combustion type hot air furnace heating plants |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208154941U (en) |
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2018
- 2018-01-16 CN CN201820067846.0U patent/CN208154941U/en active Active
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