CN208968042U - A kind of indirect hot air stove - Google Patents
A kind of indirect hot air stove Download PDFInfo
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- CN208968042U CN208968042U CN201821688726.9U CN201821688726U CN208968042U CN 208968042 U CN208968042 U CN 208968042U CN 201821688726 U CN201821688726 U CN 201821688726U CN 208968042 U CN208968042 U CN 208968042U
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Abstract
The utility model discloses a kind of indirect hot air stoves, belong to hot-blast furnace equipment technical field, including burner and heat-exchanger rig, the burner includes the combustion barrel of outer cylinder and setting in the outer cylinder, the combustion barrel includes multiple horn mouth formula interconnecting pieces gradually amplified and the connecting cylinder being arranged between the interconnecting piece, is uniformly provided with wind distributing hole on the interconnecting piece and the connecting cylinder；One end of the combustion barrel is connected with burner, and the other end is communicated with heat-exchanger rig by hot-blast outlet, and the outer cylinder is equipped with air inlet close to one end of the burner；Heat exchanger is equipped in the heat-exchanger rig, circulating fan is installed on the heat-exchanger rig, the heat-exchanger rig is equipped with circulated air air outlet, and the circulated air air outlet is connected to by circulating fan with the air inlet, and the design can realize making full use of for thermal insulation and thermal energy.
Description
Technical field
The utility model belongs to hot-blast furnace equipment technical field, and in particular to a kind of indirect hot air stove.
Background technique
By prolonged production practices, it is recognized that only could larger using hot wind as medium and carrier
Improve heat utilization efficiency and hot working effect.Traditional electric heat source and steam thermal power can form hot wind and be dried or heated operation.
This process there will naturally be a large amount of waste of energy and cause the shortcomings such as the excessive, complex technical process of auxiliary device.And it is bigger
The problem of be that this heat source needs higher temperature dry that or the requirement of baking operation, then in a helpless situation hopeless.Therefore, make
Start to be widely applied in China the 1970s for the hot-blast stove of thermal power machinery, and has become electric heat source in many industries
With the regeneration product of conventional vapor power heat source.
Hot-blast stove can be divided into direct-type hot-blast stove and indirect hot air stove according to working media situation.Direct-type hot-blast stove is adopted
It is directly burnt with fuel, purified processing forms hot wind, and comes heat drying or baking with material directly contact, and this method has
Fuel consumption is greatly reduced the advantages that high with hot blast temperature, but because contains dust and other harmful gas in flue gas after burning
Body, dried material easy to pollute.Indirect hot air stove mainly heats air by the heat exchanger of diversified forms, for pair
The drying of milk powder, pharmacy, synthetic resin, fine chemistry industry etc. material, is effectively ensured the cleanliness of dried material, through heat exchanger
Air after heat exchange still has certain heat, and direct emission cannot make full use of.And it is resistance to that existing hot-blast stove, which mostly uses liner,
The structure of fiery material, the thermal efficiency is low, cannot realize thermal insulation well.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of indirect hot air stove, it can be achieved that thermal insulation and
Thermal energy makes full use of.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of indirect hot air stove, including burner and heat-exchanger rig, the burner include that outer cylinder and setting exist
Combustion barrel in the outer cylinder, the combustion barrel include multiple horn mouth formula interconnecting pieces gradually amplified and are arranged in the company
Wind distributing hole is uniformly provided on connecting cylinder between socket part, the interconnecting piece and the connecting cylinder；One end of the combustion barrel connects
Have a burner, the other end is communicated with heat-exchanger rig by hot-blast outlet, the outer cylinder close to one end of the burner be equipped with into
Air port；It is equipped with heat exchanger in the heat-exchanger rig, circulating fan is installed on the heat-exchanger rig, the heat-exchanger rig is equipped with
Circulated air air outlet, the circulated air air outlet are connected to by circulating fan with the air inlet.
Further, the air inlet is equipped with the air inlet control valve for controlling intake.
Further, the diameter of the wind distributing hole is 12mm~17mm.
Further, the combustion barrel is made of austenitic chromium nickel stainless steel.
Further, filter screen is installed, the filter screen is equipped with differential manometer at the hot-blast outlet.
Further, the heat exchanger is ceramic heat exchanger.
Further, the outer cylinder is equipped with wind-supplying mouth, is equipped at the wind-supplying mouth for controlling the benefit air control for mending air quantity
Valve processed.
Further, the heat-exchanger rig is equipped with exhaust gas air outlet.
After above-mentioned technical proposal, the beneficial effects of the utility model are:
Since the indirect hot air stove of the utility model includes burner and heat-exchanger rig, burner include outer cylinder and
Combustion barrel in outer cylinder is set, combustion barrel include multiple horn mouth formula interconnecting pieces gradually amplified and setting interconnecting piece it
Between connecting cylinder, be uniformly provided with wind distributing hole on interconnecting piece and connecting cylinder；One end of combustion barrel is connected with burner, and the other end passes through
Hot-blast outlet is communicated with heat-exchanger rig, and outer cylinder is equipped with air inlet close to one end of burner；It is equipped with heat exchanger in heat-exchanger rig, changes
Circulating fan is installed in thermal, heat-exchanger rig is equipped with circulated air air outlet, circulated air air outlet by circulating fan with
Air inlet connection, the lower wind of temperature is entered in the space between outer cylinder and combustion barrel by air inlet, by combustion barrel
Wind distributing hole enter in combustion barrel, guarantee the lower temperature of outer cylinder, realize thermal insulation, while the air after heating is through heat exchanger
Still there is certain heat after heat exchange, can be entered by circulating fan and continue to heat in burner, to realize filling for thermal energy
Divide and utilizes.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model indirect hot air stove；
In figure, 10- burner, 11- outer cylinder, 12- combustion barrel, 121- interconnecting piece, 122- connecting cylinder, 13- wind distributing hole,
14- burner, 15- air inlet, 16- enter the wind control valve, 17- wind-supplying mouth, and 18- mends wind control valve, 19- filter screen, 20- heat exchange dress
It sets, 21- heat exchanger, 22- circulating fan, 23- circulated air air outlet, 24- exhaust gas air outlet.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
The orientation being related in this specification is subject to shown in attached drawing, and relative positional relationship is only represented, and is not represented absolutely
Positional relationship.
As shown in Figure 1, a kind of indirect hot air stove, including burner 10 and heat-exchanger rig 20, burner 10 include
Outer cylinder 11 and the combustion barrel 12 being arranged in outer cylinder 11, combustion barrel 12 include multiple horn mouth formula interconnecting pieces 121 gradually amplified
And the connecting cylinder 122 between interconnecting piece 121 is set, it is uniformly provided with wind distributing hole 14 on interconnecting piece 121 and connecting cylinder 122,
In, there are three interconnecting piece 121 is set, and its diameter is gradually increased.One end of combustion barrel 12 is connected with burner, and the other end passes through heat
Wind outlet has heat-exchanger rig 20, and outer cylinder 11 is equipped with air inlet 15 close to one end of burner, is equipped with and is used at air inlet 15
Control the air inlet control valve 16 of intake.Wherein, the diameter of wind distributing hole 14 is 12mm~17mm, preferred cloth wind in present embodiment
The diameter in hole 14 is 15mm, and the lower wind of temperature is entered in the space between outer cylinder 11 and combustion barrel 12 by air inlet 15,
Entered in combustion barrel 12 by wind distributing hole 14 on combustion barrel 12 so that the fuel in combustion barrel 12 can full combustion, keep away simultaneously
The hot wind outflow in combustion barrel 12 is exempted from, ensure that outer cylinder 11 is on lower temperature always, realize thermal insulation.Combustion barrel
12 are made of the austenitic chromium nickel stainless steel of 10mm thickness, have good inoxidizability and good heat-resisting quantity, have longer
Service life.
As shown in Figure 1, being equipped with heat exchanger 21 in heat-exchanger rig 20, heat exchanger 21 is ceramic heat exchanger 21, is had fabulous
Thermal conductivity and inoxidizability are equipped with circulating fan 22 on heat-exchanger rig 20, and heat-exchanger rig 20 is equipped with circulated air air outlet 23,
Circulated air air outlet 23 is connected to by circulating fan 22 with air inlet 15, and the air after exchanging heat with heat exchanger 21 reenters burning
Heating in device 10, to make full use of thermal energy.Outer cylinder 11 is equipped with wind-supplying mouth 17 and sets at wind-supplying mouth 17 for supplementing cold wind
Have for controlling the benefit wind control valve 18 for mending air quantity, heat-exchanger rig 20 is equipped with exhaust gas air outlet 24, for being discharged in hot-blast stove
Exhaust gas.Wherein, filter screen 19 is installed at hot-blast outlet, filtrating smoke dust can be come out, avoids being deposited on shadow on exchanger 21
Pilot's hot property, filter screen 19 are equipped with differential manometer, are used to indicate filter screen 19 and hold dirt situation, convenient for cleaning in time.
The indirect hot air stove of the utility model includes multiple loudspeakers gradually amplified by setting outer cylinder and in outer cylinder
The combustion barrel of mouth formula interconnecting piece, the lower air of temperature enter combustion barrel by the wind distributing hole on combustion barrel, so that outer cylinder
Temperature is lower, while by circulating fan the air after heat exchange can be reentered in burner and heating, realize
Inside and outside isolation and thermal energy make full use of.
Although the foregoing describe specific embodiment of the present utility model, it should be appreciated by those skilled in the art,
Described embodiment is only a part of the embodiment of the utility model, and instead of all the embodiments, these are only to lift
Example explanation, the protection scope of the utility model is limited by described claims.Those skilled in the art is without departing substantially from this
It, can be to these embodiments under any creative labor of no process under the premise of the principle and essence of utility model
Various changes or modifications are made, but these change and modification each fall within the protection scope of the utility model.
Claims (8)
1. a kind of indirect hot air stove, which is characterized in that including burner and heat-exchanger rig, the burner includes outer cylinder
And the combustion barrel of setting in the outer cylinder, the combustion barrel includes multiple horn mouth formula interconnecting pieces gradually amplified and setting
Wind distributing hole is uniformly provided on connecting cylinder between the interconnecting piece, the interconnecting piece and the connecting cylinder；The combustion barrel
One end is connected with burner, and the other end is communicated with heat-exchanger rig by hot-blast outlet, the outer cylinder close to the burner one
End is equipped with air inlet；It is equipped with heat exchanger in the heat-exchanger rig, circulating fan, the heat exchange dress are installed on the heat-exchanger rig
It sets and is equipped with circulated air air outlet, the circulated air air outlet is connected to by circulating fan with the air inlet.
2. indirect hot air stove according to claim 1, which is characterized in that the air inlet is equipped with for controlling air inlet
The air inlet control valve of amount.
3. indirect hot air stove according to claim 2, which is characterized in that the diameter of the wind distributing hole be 12mm~
17mm。
4. indirect hot air stove according to claim 3, which is characterized in that the combustion barrel is by austenitic chromium nickel stainless steel
It is made.
5. indirect hot air stove according to claim 4, which is characterized in that filter screen is installed at the hot-blast outlet,
The filter screen is equipped with differential manometer.
6. indirect hot air stove according to claim 5, which is characterized in that the heat exchanger is ceramic heat exchanger.
7. indirect hot air stove according to claim 6, which is characterized in that the outer cylinder is equipped with wind-supplying mouth, the benefit
It is equipped at air port for controlling the benefit wind control valve for mending air quantity.
8. indirect hot air stove according to claim 7, which is characterized in that the heat-exchanger rig is equipped with exhaust gas outlet air
Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821688726.9U CN208968042U (en) | 2018-10-17 | 2018-10-17 | A kind of indirect hot air stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821688726.9U CN208968042U (en) | 2018-10-17 | 2018-10-17 | A kind of indirect hot air stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208968042U true CN208968042U (en) | 2019-06-11 |
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ID=66758860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821688726.9U Active CN208968042U (en) | 2018-10-17 | 2018-10-17 | A kind of indirect hot air stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208968042U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059278A (en) * | 2018-10-17 | 2018-12-21 | 山东日科化学股份有限公司 | A kind of indirect hot air stove |
| CN113899192A (en) * | 2021-10-28 | 2022-01-07 | 江苏正昌粮机股份有限公司 | Gas heating system of belt dryer |
-
2018
- 2018-10-17 CN CN201821688726.9U patent/CN208968042U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059278A (en) * | 2018-10-17 | 2018-12-21 | 山东日科化学股份有限公司 | A kind of indirect hot air stove |
| CN113899192A (en) * | 2021-10-28 | 2022-01-07 | 江苏正昌粮机股份有限公司 | Gas heating system of belt dryer |
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