CN202947314U - Indirect type hot-blast furnace using alcohol-base liquid fuel - Google Patents
Indirect type hot-blast furnace using alcohol-base liquid fuel Download PDFInfo
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- CN202947314U CN202947314U CN 201220691265 CN201220691265U CN202947314U CN 202947314 U CN202947314 U CN 202947314U CN 201220691265 CN201220691265 CN 201220691265 CN 201220691265 U CN201220691265 U CN 201220691265U CN 202947314 U CN202947314 U CN 202947314U
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- liquid fuel
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- heat exchanger
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Abstract
The utility model discloses an indirect type hot-blast furnace using an alcohol-base liquid fuel. The indirect type hot-blast furnace comprises a furnace body, wherein a combustion chamber and a heat exchange chamber are arranged inside the furnace body; an air inlet, an air outlet and a fume outlet are formed in the furnace body; the combustion chamber is internally provided with a collecting-distributing type alcohol-base liquid fuel combustor and a fuel supply device for providing the alcohol-base liquid fuel and a combustion-supporting gas to the collecting-distributing type alcohol-base liquid fuel combustor; the heat exchanger is internally provided with at least two groups heat exchangers which are arranged in parallel along the conduction direction of the hot air flow generated by the combustion chamber; each group of the heat exchangers is provided with hot air inlets and hot air outlets; hot air steering flowing channels for the circulation of the heat exchange air are formed among the hot air outlets and the hot air outlets of two adjacent groups of the heat exchangers; the air inlets are communicated with the hot air inlets of one group of the heat exchangers which are most far away from the combustion chamber; air blowing devices are arranged on the air inlets; and the air outlets are communicated the hot air outlets of one group of the heat exchangers which are most close to the combustion chamber.
Description
Technical field
The utility model belongs to the fluid heater of heat-generating device technical field, and concrete is a kind of indirect hot air stove that uses alcohol radical liquid fuel.
Background technology
Industrial hot-air stove is that the hot blast of having many uses provides equipment, be divided into direct-type hot-blast stove and indirect hot air stove, indirect hot air stove is mainly used in drying and does not allow contaminated material or be applied to the lower heat sensitive material of temperature, as being used for the fields such as food-baking, pharmacy, synthetic resin, fine chemistry industry.
Hot-blast stove is that the heat exchanger by various ways such as fuel combustion or electric energy adds hot-air, and then the fluid heater of hot blast is provided.Because electric energy belongs to secondary energy sources, use cost is high, so widely used traditional fuel that remains of industrial hot-air stove, as coal, diesel oil, combustion gas etc., but due to the fire coal that uses traditional fuel, warm air oil furnace not only at the bottom of the thermal efficiency, and environmental pollution is serious, and its use is subject to more and more restrictions, and slightly smaller when gas pollution, it uses the limitation that is subjected to again feed region.
Traditional coal, diesel combustion can produce a large amount of oxysulfides on the other hand, can cause corrosion to the hardware of heat exchanger, the critical component of indirect hot air stove is exactly heat exchanger, lost efficacy in order to prevent that heat exchanger from being damaged by the flue gas premature corrosion, the thickness of the heat exchanger material in this class hot-blast stove must increase, this must reduce the heat exchange efficiency of heat exchanger, and therefore using the technological development of the new forms of energy that substitute traditional fuel in hot-blast stove is exactly very necessary thing.
Alcohol radical liquid fuel is a kind of liquid fuel of economic environmental protection, can be used as substituting of traditional fuel, and use in hot-blast stove, along with being widely used of alcohol radical liquid fuel, industrial trade is also had higher requirement to combustion technology and the application apparatus of alcohol radical liquid fuel.
In view of this, the utility model is intended to explore a kind of indirect hot air stove that uses alcohol radical liquid fuel, and this indirect hot air stove not only can satisfy the instructions for use of alcohol radical liquid fuel, but also has advantages of that heat exchange efficiency is high and environmental pollution is little.
Summary of the invention
The technical problems to be solved in the utility model is to propose a kind of indirect hot air stove that uses alcohol radical liquid fuel, and this indirect hot air stove not only can satisfy the instructions for use of alcohol radical liquid fuel, but also has advantages of that heat exchange efficiency is high and environmental pollution is little.
Realize above-mentioned technical purpose, the utility model uses the indirect hot air stove of alcohol radical liquid fuel, comprises body of heater, is provided with combustion chamber and heat-exchanging chamber in described body of heater, and described body of heater is provided with air intake, air outlet slit and exhanst gas outlet;
Be provided with the collecting and distributing type alcohol group liquid fuel burner in described combustion chamber and be used for providing to described collecting and distributing type alcohol group liquid fuel burner the fuel supply device of alcohol radical liquid fuel, combustion-supporting gas;
be provided with the heat exchanger that thermal current conduction orientation that at least two groups produce along described combustion chamber is set up in parallel in described heat-exchanging chamber, be equipped with hot-wind inlet and hot-blast outlet on the described heat exchanger of each group, and the hot blast that is provided with between the hot-blast outlet of two adjacent groups heat exchanger and hot-wind inlet for the heat exchange air circulation turns to runner, described air intake communicates with the hot-wind inlet of the described combustion chamber of distance one group of heat exchanger farthest, and described air intake is provided with air-blast device, described air outlet slit communicates with the hot-blast outlet of the nearest one group of heat exchanger in the described combustion chamber of distance.
Further, described fuel supply device comprises for the fuel inlet pipe that injects alcohol radical liquid fuel and is positioned at described fuel inlet pipe below and is used for injecting the combustion-supporting gas entry grates of combustion-supporting gas.
Further, described air intake is provided with the entrance Taper Pipe, and the diameter of described entrance Taper Pipe increases gradually along the airflow direction of heat exchange air.
Further, described air outlet slit is provided with exit cone, and the diameter of described exit cone reduces gradually along the airflow direction of heat exchange air.
Further, described heat exchanger comprises heat exchanger tube, and described heat exchanger tube is band fin or the not finned heating resisting metal pipe of the rounded or odd-shaped cross section in cross section.
Further, be provided with heat-insulation layer in described body of heater.
Further, described heat-exchanging chamber is positioned at the top of described combustion chamber, and described heat exchanger is arranged in described heat-exchanging chamber along vertical direction, and described exhanst gas outlet is positioned at the top of described body of heater.
The beneficial effects of the utility model are:
The indirect hot air stove of use alcohol radical liquid fuel of the present utility model by the collecting and distributing type alcohol group liquid fuel burner is set, can be used in the burning alcohol radical liquid fuel in the combustion chamber, and because the alcohol radical liquid fuel combustion product is only H
2O and CO
2, there is no flue dust, do not cause the etchant gas of Heat-exchanger Corrosion, so the wall thickness of the heat exchanger tube of heat exchanger can arrange thinner, can improve heat exchanger effectiveness, both environmental protection and energy saving have extended service life again, and can reduce use cost;
The heat exchanger that the thermal current conduction orientation that produces along the combustion chamber by setting at least two groups in heat-exchanging chamber is set up in parallel, heat exchange air enters from the hot-wind inlet of distance combustion chamber heat exchanger farthest, then turn to runner by each group heat exchanger and hot blast successively, constantly participate in heat exchange, can improve the utilization rate of waste heat of combustion product gases, reduce the temperature of discharging flue gas, improved the efficiency of utilization of fuel.
Indirect hot air stove by use alcohol radical liquid fuel of the present utility model is set to the vertical structure that heat-exchanging chamber is positioned at the top, combustion chamber, can self-assembling formation negative-pressure firing condition, therefore need not when adopting the collecting and distributing type alcohol group liquid fuel burner that air blast is combustion-supporting just can reach completing combustion, owing to there is no unnecessary air distribution, improved efficiency of combustion.
Description of drawings
Fig. 1 is the structural representation that the utility model uses the indirect hot air stove embodiment of alcohol radical liquid fuel.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.
As shown in Figure 1, use the structural representation of the indirect hot air stove embodiment of alcohol radical liquid fuel for the utility model.The present embodiment uses the indirect hot air stove of alcohol radical liquid fuel, comprises body of heater 1, is provided with combustion chamber 2 and heat-exchanging chamber 3 in body of heater 1, and body of heater 1 is provided with air intake 4, air outlet slit 5 and exhanst gas outlet 6.
Be provided with collecting and distributing type alcohol group liquid fuel burner 7 in combustion chamber 2 and be used for providing to collecting and distributing type alcohol group liquid fuel burner 7 fuel supply device of alcohol radical liquid fuel, combustion-supporting gas.The fuel supply device of the present embodiment comprises for the fuel inlet pipe 8 that injects alcohol radical liquid fuel and is positioned at fuel inlet pipe 8 belows and is used for injecting the combustion-supporting gas entry grates 9 of combustion-supporting gas, alcohol radical liquid fuel enters the combustion chamber by fuel inlet pipe 8, combustion-supporting gas enters the combustion chamber by combustion-supporting gas entry grates 9, realizes the abundant burning of alcohol radical liquid fuel.
Be provided with at least two groups heat exchanger 10 that the 2 thermal current conduction orientation that produce are set up in parallel along the combustion chamber in heat-exchanging chamber 3, be equipped with hot-wind inlet 10a and hot-blast outlet 10b on each group heat exchanger 10, and the hot blast that is provided with between the hot-blast outlet 10b of two adjacent groups heat exchanger 10 and hot-wind inlet 10a for the heat exchange air circulation turns to runner 11, realizes the circulation of heat exchange air between each group heat exchanger 10.Air intake 4 communicates with hot-wind inlet 10a apart from combustion chamber 2 one group of heat exchanger 10 farthest, and air intake 4 is provided with air-blast device 12, air outlet slit 5 communicates with the hot-blast outlet 10b of one group of heat exchanger 10 nearest apart from combustion chamber 2, under the effect of air-blast device 12, realize the circulation of heat exchange air.
The indirect hot air stove of the use alcohol radical liquid fuel of the present embodiment by the 2 interior collecting and distributing type alcohol group liquid fuel burners 7 that arrange in the combustion chamber, can be used in the burning alcohol radical liquid fuel, and because the alcohol radical liquid fuel combustion product is only H
2O and CO
2, there is no flue dust, do not cause the etchant gas of heat exchanger 10 corrosion, so the wall thickness of the heat exchanger tube of heat exchanger 10 can arrange thinner, can improve heat exchanger effectiveness, both environmental protection and energy saving have extended service life again, and can reduce use cost;
By at interior setting at least two groups of heat-exchanging chamber 3 heat exchanger 10 that the 2 thermal current conduction orientation that produce are set up in parallel along the combustion chamber, 2 farthest the hot-wind inlet 10a of heat exchanger 10 enter heat exchange air from the distance combustion chamber, then turn to runner 11 by each group heat exchanger 10 and hot blast successively, constantly participate in heat exchange, can improve the utilization rate of waste heat of combustion product gases, reduce the temperature of discharging flue gas, improved the efficiency of utilization of fuel.
Further, air intake 4 is provided with entrance Taper Pipe 13, the diameter of entrance Taper Pipe 13 increases gradually along the airflow direction of heat exchange air, the diameter that is entrance Taper Pipe 13 increases gradually in the direction that air intake 4 points to the hot-wind inlet 10a of the heat exchanger 10 corresponding with air intake 4, and heat exchange air is entered in heat exchanger 10 equably.Air outlet slit 5 is provided with exit cone 14, the diameter of exit cone 14 reduces gradually along the airflow direction of heat exchange air, the diameter that is exit cone 14 reduces on the direction of the hot-blast outlet 10b of the heat exchanger corresponding with air outlet slit 5 10 sensing air outlet slit 5 gradually, can effectively increase output pressure and the speed of heat exchange air.
Further, heat exchanger 10 comprises heat exchanger tube 10c, heat exchanger tube 10c is band fin or the not finned heating resisting metal pipe of the rounded or odd-shaped cross section in cross section, and the heat exchanger tube 10c of the present embodiment is the rounded and finned heating resisting metal pipe in cross section, can effectively improve heat exchange efficiency.
Further, be provided with heat-insulation layer 15 in body of heater 1, can effectively completely cut off body of heater 1 and outside air, prevent the heat leak in body of heater 1.
Further, the present embodiment uses the indirect hot air stove of alcohol radical liquid fuel to adopt heat-exchanging chamber 3 to be positioned at the vertical structure of 2 tops, combustion chamber, and namely heat exchanger 10 is arranged in heat-exchanging chamber 3 along vertical direction, and exhanst gas outlet 6 is positioned at the top of body of heater 1.It is one and between the hot-wind inlet 10a of the hot-blast outlet 10b of upper strata heat exchanger 10 and lower floor's heat exchanger 10 that two groups of being set to be set up in parallel up and down along vertical direction of the heat exchanger 10 of the present embodiment, hot blast turn to runner 11.The indirect hot air stove of the use alcohol radical liquid fuel by the present embodiment is set to the vertical structure that heat-exchanging chamber 3 is positioned at 4 tops, combustion chamber, can self-assembling formation negative-pressure firing condition, therefore need not when adopting collecting and distributing type alcohol group liquid fuel burner 7 that air blast is combustion-supporting just can reach completing combustion, owing to there is no unnecessary air distribution, improved efficiency of combustion.
The utility model uses the indirect hot air stove of alcohol radical liquid fuel can also be horizontal type structure, and it is identical with above-mentioned embodiment that it implements principle, is not repeated.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (7)
1. an indirect hot air stove that uses alcohol radical liquid fuel, comprise body of heater, is provided with combustion chamber and heat-exchanging chamber in described body of heater, and described body of heater is provided with air intake, air outlet slit and exhanst gas outlet, it is characterized in that:
Be provided with the collecting and distributing type alcohol group liquid fuel burner in described combustion chamber and be used for providing to described collecting and distributing type alcohol group liquid fuel burner the fuel supply device of alcohol radical liquid fuel, combustion-supporting gas;
be provided with the heat exchanger that thermal current conduction orientation that at least two groups produce along described combustion chamber is set up in parallel in described heat-exchanging chamber, be equipped with hot-wind inlet and hot-blast outlet on the described heat exchanger of each group, and the hot blast that is provided with between the hot-blast outlet of two adjacent groups heat exchanger and hot-wind inlet for the heat exchange air circulation turns to runner, described air intake communicates with the hot-wind inlet of the described combustion chamber of distance one group of heat exchanger farthest, and described air intake is provided with air-blast device, described air outlet slit communicates with the hot-blast outlet of the nearest one group of heat exchanger in the described combustion chamber of distance.
2. use according to claim 1 the indirect hot air stove of alcohol radical liquid fuel, it is characterized in that: described fuel supply device comprises for the fuel inlet pipe that injects alcohol radical liquid fuel and is positioned at described fuel inlet pipe below and is used for injecting the combustion-supporting gas entry grates of combustion-supporting gas.
3. use according to claim 2 the indirect hot air stove of alcohol radical liquid fuel, it is characterized in that: described air intake is provided with the entrance Taper Pipe, and the diameter of described entrance Taper Pipe increases gradually along the airflow direction of heat exchange air.
4. use according to claim 3 the indirect hot air stove of alcohol radical liquid fuel, it is characterized in that: described air outlet slit is provided with exit cone, and the diameter of described exit cone reduces gradually along the airflow direction of heat exchange air.
5. use according to claim 1 the indirect hot air stove of alcohol radical liquid fuel, it is characterized in that: described heat exchanger comprises heat exchanger tube, and described heat exchanger tube is band fin or the not finned heating resisting metal pipe of the rounded or odd-shaped cross section in cross section.
6. use according to claim 1 the indirect hot air stove of alcohol radical liquid fuel, it is characterized in that: be provided with heat-insulation layer in described body of heater.
7. the indirect hot air stove of according to claim 1-6 described use alcohol radical liquid fuels of any one, it is characterized in that: described heat-exchanging chamber is positioned at the top of described combustion chamber, described heat exchanger is arranged in described heat-exchanging chamber along vertical direction, and described exhanst gas outlet is positioned at the top of described body of heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220691265 CN202947314U (en) | 2012-12-14 | 2012-12-14 | Indirect type hot-blast furnace using alcohol-base liquid fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220691265 CN202947314U (en) | 2012-12-14 | 2012-12-14 | Indirect type hot-blast furnace using alcohol-base liquid fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202947314U true CN202947314U (en) | 2013-05-22 |
Family
ID=48423011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220691265 Expired - Fee Related CN202947314U (en) | 2012-12-14 | 2012-12-14 | Indirect type hot-blast furnace using alcohol-base liquid fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202947314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967048A (en) * | 2012-12-14 | 2013-03-13 | 重庆市大为能源有限公司 | Indirect hot-air furnace using alcohol base liquid fuels |
-
2012
- 2012-12-14 CN CN 201220691265 patent/CN202947314U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967048A (en) * | 2012-12-14 | 2013-03-13 | 重庆市大为能源有限公司 | Indirect hot-air furnace using alcohol base liquid fuels |
| CN102967048B (en) * | 2012-12-14 | 2015-06-03 | 福建大为能源有限公司 | Indirect hot-air furnace using alcohol base liquid fuels |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Indirect hot-air furnace using alcohol base liquid fuels Effective date of registration: 20151028 Granted publication date: 20130522 Pledgee: Xinhua trust Limited by Share Ltd Pledgor: Chongqing Dawei Energy Chemical Co., Ltd. Registration number: 2015500000015 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20171214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |