CN201803459U - High-temperature hot air furnace - Google Patents
High-temperature hot air furnace Download PDFInfo
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- CN201803459U CN201803459U CN2010201791591U CN201020179159U CN201803459U CN 201803459 U CN201803459 U CN 201803459U CN 2010201791591 U CN2010201791591 U CN 2010201791591U CN 201020179159 U CN201020179159 U CN 201020179159U CN 201803459 U CN201803459 U CN 201803459U
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Abstract
The utility model discloses a high-temperature hot blast furnace, and particularly discloses a high-temperature hot air furnace applied in the field of thermotechnical technology. The high-temperature hot air furnace comprises a furnace body, a heating working chamber, an air inlet pipeline, an air outlet pipeline, an air outlet pipeline flange, a heating element and heat insulating material, wherein the heating element is arranged inside the heating working chamber, an air passage is arranged between the heating operating chamber and the heating element and is filled with solid particles, and certain gaps are kept among the solid particles.
Description
Technical field
The utility model relates to a kind of high temperature hot-blast furnace, relates in particular to the high temperature hot-blast furnace of using in the thermal technology field.
Background technology
The high temperature hot-blast furnace of prior art is the high temperature hot-blast furnace of CN2383009Y as the license notification number, and it comprises body of heater and stove seat, there is air blanketing the periphery of body of heater, and be provided with air-vent and air outlet, and being provided with heat pipe in the burner hearth of body of heater, the two ends of heat pipe communicate with air blanketing, the general volume of described hot-blast stove is bigger, complex structure, the cost height, furthermore output temperature is low, heat loss is big, the fault rate height.
The utility model content
Technical problem to be solved in the utility model is, a kind of high temperature hot-blast furnace is provided, and it can enlarge the heating element heater heat exchange area, reduce heat transfer temperature difference, reduces the heating furnace volume simultaneously, reduces cost.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
As a kind of high temperature hot-blast furnace of the present utility model, comprise body of heater and heating work chamber, the wind pipe flange, wind pipe, insulation material, sealing flange, connecting bolt, the hot-blast stove housing, intake stack, the intake stack flange, furnace body overcoat, air flow channel, furnace body inner housing, heating element heater, solid particle and screen pack, heating element heater places the heating work chamber, between heating work chamber and the heating element heater air duct is arranged, fill solid particle in the air duct between this heating work chamber and heating element heater, keep certain slit between the solid particle, air enters body of heater from intake stack, the air flow channel of flowing through afterwards, enter the high-temperature hot-air furnace main body through screen pack from air flow channel, when heating element heater heats, heat is by the conduction solid particles, solid particle is heated, air flows through solid particle and heating element heater is heated, air after the heating is output by the form of wind pipe with hot-air, and insulation material is used for furnace insulation, to reduce heat loss.
Wherein the mode of heating of high temperature hot-blast furnace of the present utility model comprises heating in medium frequency and electrical heating, and high temperature hot-blast furnace becomes intermediate frequency furnace and electrothermal furnace accordingly.
Described elevated temperature heat steam stove, the material of the solid particle of filling are the mixing of carborundum, silicon nitride, aluminium oxide or above material particle.
Described elevated temperature heat steam stove, the size of the solid particle of filling are that several 4 orders of order are to 100 orders.
Described elevated temperature heat steam stove coats air flow channel around body of heater, air is flowed through and entered the heating work chamber behind the body of heater surface.
Described heating element heater is divided in three groups of furnace body inner housings that are distributed in the hot blast body of heater, wherein every group of heating element heater is made up of some corundum sandpipes, in corundum sandpipe inside electrical heating wire is housed, the electrical heating wire in every group link together and with 380 volts of three-phase alternating currents in one group be connected.
The beneficial effects of the utility model are:
It is little that the utility model high temperature hot-blast furnace has a volume, and characteristics such as simple in structure the more important thing is that its heat transfer temperature difference is little, and heat loss is little, the output temperature height.
Description of drawings
Fig. 1 looks cutaway view for the master of the utility model high temperature hot-blast furnace
Fig. 2 is the left view of the utility model high temperature hot-blast furnace
Fig. 3 is the vertical view cutaway drawing of the utility model high temperature hot-blast furnace
Among the figure:
1: wind pipe flange 2: wind pipe
3: insulation material 4: sealing flange
5: connecting bolt 6: the hot-blast stove housing
7: intake stack 8: the intake stack flange
9: furnace body overcoat 10: air flow channel
11: furnace body inner housing 12: heating element heater
13: solid particle 14: screen pack.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model high temperature hot-blast furnace is described in further detail:
As shown in Figure 1, the top of the furnace body overcoat 9 of high temperature hot-blast furnace is being provided with sealing flange 4, and sealing flange 4 is fixed by connecting bolt 5, and the first half of body of heater is wrapped in the hot-blast stove housing 6.The body of heater both sides are extended intake stack 7 and wind pipe 2 respectively, the outer rim of wind pipe 2 is provided with wind pipe flange 1, the outer rim of intake stack 7 is provided with intake stack flange 8, wind pipe flange 1 is guaranteed firmly to be connected between wind pipe 2 and the outside hot gas output channel, and intake stack flange 8 is connected on the air supply device securely by bolt.The high-temperature hot-air furnace main body comprises furnace body overcoat 9 and furnace body inner housing 11, form the heating work chamber in the furnace body inner housing 11, the heating 12 of energising heating places the heating work chamber, be air flow channel 10 between furnace body overcoat 9 and the furnace body inner housing 11, some heating element heaters 12 are arranged in the heating work chamber, fill solid particle 13 between the heating element heater 12, the hot-blast stove lower body part is provided with screen pack 14, maintain a certain distance between screen pack 14 and hot-blast stove main body inside bottom surface, external air can enter in the hot-blast stove main body by screen pack, and airborne impurity will be retained in the inside bottom surface of hot-blast stove main body.
Coat air flow channel around body of heater, air is flowed through through intake stack and is entered the heating work chamber behind the air flow channel.
Air without heating enters body of heater from intake stack 7, enters air flow channel 10 afterwards, enters the high-temperature hot-air furnace main body through screen pack 14 from air flow channel 10.When heating element heater 12 heating, heat is conducted solid particles 13 by the corundum sandpipe, and after solid particle 13 was heated, air just was heated when flowing through solid particle 13 with heating element heater 12, and the air after the heating is by wind pipe 2 heat outputting air.Insulation material 3 is given furnace insulation, lowers heat loss.
As shown in Figure 2, wind pipe 2 is positioned at the top of high temperature hot-blast furnace, be surrounded by insulation material 3 in wind pipe 2 outsides, can prevent that heat runs off, insulation material 3 also is packed among the hot-blast stove housing 6, intake stack flange 8 can be connected with external pipe, and connected mode is that bolt connects, and is sealed by sealing ring between intake stack flange 8 and external pipe.
In like manner, the operation principle of intake stack 7 is identical with wind pipe 2, does not repeat them here.
As shown in Figure 3, described heating element heater 12 is divided into three groups and is distributed in the hot blast body of heater, wherein every group of heating element heater 12 is made up of some corundum sandpipes, in corundum sandpipe inside electrical heating wire is housed, and the electrical heating wire in every group links together and is connected with a group of 380 volts of three-phase electricity.
The mode of heating of high temperature hot-blast furnace of the present utility model comprises heating in medium frequency and electrical heating heating, and high temperature hot-blast furnace becomes intermediate frequency furnace, electrothermal furnace accordingly.
In sum, it only is most preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
It is little that the utility model high temperature hot-blast furnace has a volume, the characteristics such as simple in structure, the more important thing is that its heat transfer temperature difference is little, heat loss is little, the output temperature height, general 50 to 300 degree of heat transfer temperature difference, heat loss is 15% to 25%, and output temperature is at 500 ℃ to 1200 ℃, and traditional hot-blast stove temperature difference is generally at 250 to 800 degree, heat loss is 25% to 60%, the failure rate is low of this high temperature hot-blast furnace, energy-conservation and environmental protection, with short production cycle, flexible configuration, most suitable aspect thermal technology and Experiment of Thermophysics flexible Application.
Claims (3)
1. elevated temperature heat steam stove, comprise body of heater and heating work chamber, intake stack, wind pipe flange, wind pipe, heating element heater, insulation material, heating element heater places the heating work chamber, between heating work chamber and the heating element heater air duct is arranged, it is characterized in that: fill solid particle (13) in the air duct between described heating work chamber and heating element heater, keep certain slit between the solid particle (13).
2. elevated temperature heat steam stove according to claim 1 is characterized in that: the size of the solid particle of filling (13) is that required heat exchange area is a purpose when reaching the setting air temperature to satisfy, and the order number is that 4 orders are to 100 orders.
3. elevated temperature heat steam stove according to claim 1 is characterized in that: coat air flow channel (10) around body of heater, air is flowed through through intake stack (7) again and is entered the heating work chamber behind the air flow channel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201791591U CN201803459U (en) | 2010-05-05 | 2010-05-05 | High-temperature hot air furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201791591U CN201803459U (en) | 2010-05-05 | 2010-05-05 | High-temperature hot air furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201803459U true CN201803459U (en) | 2011-04-20 |
Family
ID=43872957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201791591U Expired - Fee Related CN201803459U (en) | 2010-05-05 | 2010-05-05 | High-temperature hot air furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201803459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358320A (en) * | 2020-11-10 | 2021-02-12 | 中国科学院电工研究所 | Electrical heating solid particle system |
-
2010
- 2010-05-05 CN CN2010201791591U patent/CN201803459U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358320A (en) * | 2020-11-10 | 2021-02-12 | 中国科学院电工研究所 | Electrical heating solid particle system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20120505 |