CN203401072U - Chute with heat radiation heater - Google Patents
Chute with heat radiation heater Download PDFInfo
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- CN203401072U CN203401072U CN201320497398.5U CN201320497398U CN203401072U CN 203401072 U CN203401072 U CN 203401072U CN 201320497398 U CN201320497398 U CN 201320497398U CN 203401072 U CN203401072 U CN 203401072U
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- chute
- heat radiation
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- radiation generator
- radiation heater
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Abstract
The utility model discloses a chute with a heat radiation heater, and belongs to the metallurgical industry. The chute with the heat radiation heater is composed of a chute body, a heat radiation generator and an adjustable mechanical balance support. The heat radiation generator basically and structurally comprises a mixture air injection device, a buried flame stable combustion device and a heat radiation generator cylinder body. The adjustable mechanical balance support basically and structurally comprises a bearing support, a height adjusting block, a pulley block, a steel wire rope, a counter weight device and a transition support. The chute with the heat radiation heater has the advantages of being high in heating speed and even in temperature distribution, and saving gas. The consumed materials are firm, durable, safe and reliable, the requirements for different heating temperatures can be met, the positioning height and the parallel degree of the adjustable mechanical balance support are both adjustable, the overhauling position and the working position can be adjusted, fixed and regulated, and the operation is convenient. Compared with the traditional heating mode, the heating mode of the chute with the heat radiation heater is environmentally friendly, and the chute with the heat radiation heater has the effects of energy conservation and emission reduction and considerable economic benefits.
Description
Technical field
The utility model discloses a kind of chute with heat radiation heater, belong to metallurgy industry.
Background technology
The metallic solution producing in smelting industry melting production process, from smelting furnace to tundish, to carry out transition by chute, and chute is environment temperature, at metallic solution, cause unexpected cooling down during by chute, easily settable cementitious on chute, so need to carry out heating and thermal insulation (being commonly called as roasting chute) to chute, non-caked on chute to guarantee metallic solution.
The mode of conventional roasting chute is directly to heat with naked light both at home and abroad at present, that mode of heating with flame combustion carries out, for example can be with reference to CN2828059Y, and have different forms, as: adopt the whole chute heating of single burning rifle, burn more rifle piecemeal chute heat simultaneously.This mode of heating is long to the chute heat time, chute is heated inhomogeneous, and heat propagation speed is slow, and thermal energy loss is large, chute heat radiation itself causes temperature after heating difficulty constant, metallic solution still there will be cooling, cooling, be bonded in the phenomenon on chute after solidifying, the metal solid of residue adhesion on chute could continue next round production after need to clearing up, production efficiency is low, waste material produces many, production cost is large, and labor strength is large, and expends a large amount of manpowers.This is the technical barrier that whole smelting industry faces.
The utility model proposes a kind of chute brand-new, that the combustion gas (natural gas, liquefied gas, coal gas etc.) of take is carried out radiation as fuel, its device structure forms and comprises: chute body, thermal radiation generator and adjustable mechanical balancing stand.The utility model is with heat radiation method heating chute, is different from the conventional method of the open firing chute generally using in metallurgy industry at present.Its operation principle is based on kirchhoff thermal radiation law, and flame is converted to infrared radiant energy by heat energy (interior kinetic energy) and by radiation mode towards periphery, carrys out the process of transferring energy.
While adopting heat radiation mode to heat chute, when heating-up temperature is during at low temperature, the effect of heat radiation heating and Convective Heating is present in heating process jointly.When temperature raises, convection heat transfer' heat-transfer by convection reduces rapidly, and radiant heat transfer sharply increases.When temperature reaches 800-1000 ℃ of left and right, photothermal transmission has become the principal mode of heating process.Temperature is higher, and radiation is stronger.
The certain penetration power of this heat radiation tool, rapidly release heat.Its advantage is: there is no flame, do not smolder, be heated chute and be heated evenly, heating-up temperature is high, and heat-energy losses is little, and programming rate is fast.Under heating in heat radiation mode, chute temperature approaches metallic solution temperature substantially, thereby solved metallic solution, meets after cold and is solidificated in the problem boning on chute.
Adopt heat radiation mode to heat chute, abandoned the conventional processes with open firing chute completely.The time of simultaneously having saved cleaning chute, has alleviated workman's labour intensity, completes heating process fast, has shortened the production cycle, has improved production efficiency.
Adopt heat radiation heating chute to meet the production requirement of metallurgical technology, meet the environmental requirement of energy-saving and emission-reduction.
This device can heat chute 800-1000 ℃ of left and right, and heating-up temperature can be controlled as required, is applicable to the chute heating of the various metallurgical type of furnaces such as copper smelting in nonferrous metallurgy industry, plumbous smelting and nickel smelting completely.
Utility model content
The utility model, by the thermal radiation generator of smelting process units with heat radiation heating is set on traditional chute, has improved heating-up temperature and the firing rate of chute, and solution metallic solution is met cold rear cooling and produced settable cementitious phenomenon in chute.
Chute with thermal radiation generator of the present utility model is comprised of chute body, thermal radiation generator and adjustable mechanical balancing stand three parts.
The basic composition structure of thermal radiation generator has: mix air jet system, bury flame smooth combustion apparatus, thermal radiation generator cylinder body.
Adjustable mechanical balancing stand basic composition structure has: support bracket, height adjusting block, assembly pulley, steel wire rope, weight device, transition frame.
The theoretical foundation of thermal radiation generator utility model is kirchhoff thermal radiation law.It is applicable to gaseous fuel (natural gas, liquefied gas, coal gas etc.), has thoroughly overturned and has used the direct-fired mode of naked light in the past.Its operation principle is: thermal radiation generator is that combustion gas and air are evenly blended in thermal radiation generator, bury and complete heat energy (interior kinetic energy) after flame burning and be converted to radiant heat, in heating process, heat radiation energy evenly discharges on micropore radiant panel, and rapid permeability is in heated object, after heated object heats up, whole heating environment is heated up.Temperature is higher, radiation stronger (conclusion of thermal radiation law).Radiation is stronger, heats up faster, has formed a positive feedback pattern in heating process.Heat radiation, by the heating process under this positive feedback pattern, can make radiant heat transferring heat become the main body form of heating process, and heated object is heated up rapidly.When this has just determined employing heat radiation heating chute, heating-up temperature is high, programming rate is fast (radiant heat heat transfer rate is much higher than the radiating rate of chute body), completes in a short period of time heating process.So there is the energy of saving.Here it is core content of the present utility model---thermal radiation generator.
The effect of adjustable mechanical balancing stand is supporting hot radiation generator, this balancing stand can be adjusted according to on-the-spot chute situation the height of thermal radiation generator, and there is angle regulation function, as: the adjustment of Plane Angle, can guarantee that thermal radiation generator contacts with chute level.Position angle is adjusted, and can make the thermal radiation generator different angles of kicking up, and is easy for installation and maintenance.The different requirement for height in the applicable scene of adjustment of height.
Heat radiation heater on chute of the present utility model comprises:
A, mixing air jet system: by forming for Gas Pipe, mixing burner, air flow control plate and conduit coupling; Or by Gas Pipe (1), gas control ball valve (V), mixing burner (2), forces combustion-supporting airduct (P), thermal radiation generator cylinder body (4) and conduit coupling form; The former is for the burning of injection air-feeding type, and the latter is used for forcing air-feeding type burning.
B, connect cylinders form by three, cylinder body outside be exotic material, and inner is the resistant to elevated temperatures flame filler that buries, and bottom is resistant to elevated temperatures hot micropore radiant panel, has uniform gas board above hot micropore honeycomb ceramics radiant panel.
Capable of regulating mechanical balance frame for supporting hot radiation generator comprises: support bracket, height adjusting block ，Mai flame stable burning room, assembly pulley, steel wire rope, weight device, transiting rod and connecting rod.
Support bracket is steel body structure, and available fang bolt is fixed.Thermal radiation generator cylinder body is that high-temperature-resistant thermal-insulation material is built and formed, and has the features such as sturdy and durable, high temperature resistant.Heat radiation plate is that microporous cellular high-temperature material is made, and at high temperature indeformable, radiant heat transfer is fast.
The air of injection type is by the negative pressure of the flow velocity of combustion gas and combustion process formation, air ejection is combustion-supporting to combustion chamber, forcing air-feeding type is directly by air duct air feed, the air that has certain pressure, at air supply system, realize after adjusting, make air mass flow become certain proportionate relationship to send into combustion chamber with gas flow combustion-supporting.It is little that injection type thermal radiation generator is applicable to caloric value power, or heat generating spot is arranged the occasion of dispersion more.Force air-feeding type to be applicable to caloric value power large, or the occasion concentrated, unit scale is larger is installed.
Design of the present utility model has taken into full account the service condition under various varying environments.One, on-the-spot mechanical device ascending, descending operation can realize manual or electronic control operation.Its two, the combustion process of fuel gas can realize forces air feed burning or the burning of injection type air feed.Its three, the configuration design of thermal radiation generator can change wide, narrow, long and short size according to the structure of on-the-spot chute size, can flexible design be square and circular.
Chute with heat radiation heater of the present utility model has advantages of that programming rate is fast, uniformity of temperature profile, saving combustion gas, and material therefor is sturdy and durable, safe and reliable, the needs of applicable different heating temperature, capable of regulating mechanical balance frame positioning height and the depth of parallelism are all adjustable, maintenance position and operating position, handled easily can be fixed and regulate to capable of regulating; Applicable to the chute of different shape, on-the-spot installation simply, easy to operate, easily maintenance, traditional heating mode environmental protection relatively, has the effect of energy-saving and emission-reduction and considerable economic benefit.
Accompanying drawing explanation
Fig. 1 is that structure of the present utility model is always schemed;
Fig. 2 is the utility model heat radiation burner stereogram
Fig. 3 is the front view of the utility model heat radiation burner;
Fig. 4 is the cutaway view of Fig. 3;
Fig. 5 injection air flow control plate partial enlarged drawing;
Fig. 6 thermal radiation generator connection layout;
Fig. 7 forces the front view of air feed thermal radiation generator;
Fig. 8 forces the side view of air feed thermal radiation generator.
Description of reference numerals in Fig. 1-8:
1-Gas Pipe, 2-mixing burner, 3-air flow control plate, 4-thermal radiation generator cylinder body, 5-buries flame combustion chamber, 6-uniform gas board, 7-micropore honeycomb ceramics heat radiation plate, 8-balanced adjustment nut, the 9-elevation angle is adjusted spacing, 10-transition frame, 11-steel wire rope, 12-fixed pulley, 13-support bracket, 14-elevation angle rotating shaft, 15-height adjusting block, 16-balance hold-down nut, 17-weight device; V-gas control ball valve, P-forces combustion-supporting airduct.
Profile of the present utility model is not subject to the restriction of this figure, and only profile change also belongs to protection domain of the present utility model.
The specific embodiment
In conjunction with the accompanying drawings and embodiments the utility model is described further.
Embodiment 1
With the chute of thermal radiation generator, comprise chute body, thermal radiation generator and adjustable mechanical balancing stand.
Thermal radiation generator comprises mixing air jet system, bury flame smooth combustion apparatus and induction apparatus, wherein mixing air jet system consists of Gas Pipe 1, mixing burner 2, air flow control plate 3 and conduit coupling, burying flame smooth combustion apparatus consists of three cylinder bodies, cylinder body surrounding is that exotic material cast forms, inner is the resistant to elevated temperatures flame filler that buries, and bottom is resistant to elevated temperatures micropore honeycomb ceramics heat radiation plate 7, and there is uniform gas board 6 top of micropore honeycomb ceramics heat radiation plate 7; By air and combustion gas mixing, burn, in burying flame filler, produce radiant heat, and radiant heat is evenly distributed in cylinder body.The micropore honeycomb ceramics heat radiation plate of radiant heat by bottom passes to chute chute heated, and chute is heated to 800-1000 ℃.
Capable of regulating mechanical balance frame comprises support bracket 13, height adjusting block 15, assembly pulley, steel wire rope 11, weight device 17, transition frame 10, assembly pulley is comprised of a fixed pulley and the first movable pulley, capable of regulating mechanical balance frame can complete three kinds of adjustment: elevation angle adjustment, horizontal adjusting and the height adjustment of thermal radiation generator, wherein:
The elevation angle is adjusted into: the fixed pulley 12 of assembly pulley is positioned at the top of support bracket 13, movable pulley is positioned in transition frame, steel wire rope 11, fixed pulley 12, weight device 17, and the aperture in height adjusting block 15 connects into elevation angle adjustment group, make thermal radiation generator to rotate 90 ° by the vertical direction, so that heat radiation heater switches between operating position and maintenance position.Method of operating is: first open the elevation angle and adjust spacingly 9, pull steel wire rope 11, make thermal radiation generator around rotating shaft 14 rotations, reaching needs to lock the elevation angle behind position and adjust spacing 9.
Height adjustment is: height adjusting block 15 is fixedly attached on support bracket 13, and can move up and down at support bracket 13, so that thermal radiation generator is adjusted to the height adapting with chute, and accurately contact.
Horizontal adjusting is: chute body has certain gradient, the surface of thermal radiation generator must with the parallel contact in chute surface, thermal radiation generator can the 7.5 ° of adjustment in left and right within the scope of 15 °.Adjustment process: see in Fig. 6, open balance hold-down nut 16, adjust balanced adjustment nut 8, make thermal radiation generator contact parallel with chute, then lock balance hold-down nut.
The control operation of thermal radiation generator: control valve and flowmeter are set for controlling and regulate the temperature of chute in Gas Pipe, pressure transmitter is set for detection of gaseous-pressure, stop valve is set and guarantees safety, gaseous-pressure, flow, chute heating-up temperature are by the operated from a distance of PLC control system and monitoring.
The combustion gas of using in Gas Pipe can be a kind of in natural gas, liquefied petroleum gas, coal gas, device in Gas.
Thermal radiation generator starts chute to heat before chute is by metallic solution, be heated to the 800-1000 ℃ of left and right metallic solution that goes into circulation, now the temperature of metallic solution adds that thermal-radiating temperature rises chute temperature, temperature is higher, radiation is stronger, therefore at this moment can close thermal radiation generator, can guarantee that chute temperature is 800-1000 ℃ of left and right, also can realize and add thermal control and then realize temperature and control by control valve during this time, after metallic solution has flowed, heater can be adjusted to maintenance position.
During use, first installation and debugging, are arranged on thermal radiation generator above chute, then natural gas are controlled to export pipeline and are connected for Gas Pipe 1, adjust the position of air flow control plate 3, guarantee the supply of air mass flow.Its operation principle is: utilize the velocity of liquid assets of combustion gas that air is introduced in mixing burner 2, and in mixing burner 2 and combustion gas mixing, guarantee that combustion gas has air-breathing in combustion process.When air flow control plate 3 adjusts upward, ventilation area strengthens, and air capacity is large.When air flow control plate is adjusted downwards, ventilation area reduces, and air capacity is little.
Igniting manually, incendiary source is placed in outside micropore honeycomb ceramics heat radiation plate 7, natural gas is introduced to 5 li of Mai Yan stable burning room and light natural gas, flame is burying burning between uniform gas board 6 in flame device and micropore honeycomb ceramics heat radiation plate 7, now natural gas is burying in flame combustion chamber burning to burying the heating of flame filler, heating produces heat radiation, observe temperature rising and drive gesture, by controlling, strengthen gradually gas discharge, the heat radiation that burning produces is evenly distributed on micropore honeycomb ceramics heat radiation plate heat by uniform gas board, micropore honeycomb ceramics heat radiation plate heats chute by heat radiation mode.Here it is, and thermal radiation generator heats the course of work of chute.
With the chute of thermal radiation generator, comprise chute body, thermal radiation generator and adjustable mechanical balancing stand.
Thermal radiation generator comprises mixing air jet system, bury flame smooth combustion apparatus and induction apparatus, wherein mix air jet system by Gas Pipe (1), gas control ball valve (V), mixing burner (2), force combustion-supporting airduct (P), thermal radiation generator cylinder body (4) and conduit coupling form, burying flame smooth combustion apparatus consists of three cylinder bodies, cylinder body surrounding is that exotic material cast forms, inner is the resistant to elevated temperatures flame filler that buries, bottom is resistant to elevated temperatures micropore honeycomb ceramics heat radiation plate 7, and there is uniform gas board 6 top of micropore honeycomb ceramics heat radiation plate 7; By air and combustion gas mixing, burn, in burying flame filler, produce radiant heat, and radiant heat is evenly distributed in cylinder body.The micropore honeycomb ceramics heat radiation plate of radiant heat by bottom passes to chute chute heated, and chute is heated to 800-1000 ℃.
Capable of regulating mechanical balance frame comprises support bracket 13, height adjusting block 15, assembly pulley, steel wire rope 11, weight device 17, transition frame 10, assembly pulley is comprised of a fixed pulley and the first movable pulley, capable of regulating mechanical balance frame can complete three kinds of adjustment: elevation angle adjustment, horizontal adjusting and the height adjustment of thermal radiation generator, wherein:
The elevation angle is adjusted into: the fixed pulley 12 of assembly pulley is positioned at the top of support bracket 13, movable pulley is positioned in transition frame, steel wire rope 11, fixed pulley 12, weight device 17, and the aperture in height adjusting block 15 connects into elevation angle adjustment group, make thermal radiation generator to rotate 90 ° by the vertical direction, so that heat radiation heater switches between operating position and maintenance position.Method of operating is: first open the elevation angle and adjust spacingly 9, pull steel wire rope 11, make thermal radiation generator around rotating shaft 14 rotations, reaching needs to lock the elevation angle behind position and adjust spacing 9.
Height adjustment is: height adjusting block 15 is fixedly attached on support bracket 13, and can move up and down at support bracket 13, so that thermal radiation generator is adjusted to the height adapting with chute, and accurately contact.
Horizontal adjusting is: chute body has certain gradient, the surface of thermal radiation generator must with the parallel contact in chute surface, thermal radiation generator can the 7.5 ° of adjustment in left and right within the scope of 15 °.Adjustment process: see in Fig. 6, open balance hold-down nut 16, adjust balanced adjustment nut 8, make thermal radiation generator contact parallel with chute, then lock balance hold-down nut.
The control operation of thermal radiation generator: control valve and flowmeter are set for controlling and regulate the temperature of chute in Gas Pipe, pressure transmitter is set for detection of gaseous-pressure, stop valve is set and guarantees safety, gaseous-pressure, flow, chute heating-up temperature are by the operated from a distance of PLC control system and monitoring.
The combustion gas of using in Gas Pipe can be a kind of in natural gas, liquefied petroleum gas, coal gas, device in Gas.
Thermal radiation generator starts chute to heat before chute is by metallic solution, be heated to the 800-1000 ℃ of left and right metallic solution that goes into circulation, now the temperature of metallic solution adds that thermal-radiating temperature rises chute temperature, temperature is higher, radiation is stronger, therefore at this moment can close thermal radiation generator, can guarantee that chute temperature is 800-1000 ℃ of left and right, during also can lead to
Overregulate valve realization and add thermal control and then realize temperature and control, after metallic solution has flowed, heater can be adjusted to maintenance position.
During use, first installation and debugging, thermal radiation generator is arranged on above chute, then natural gas is controlled to export pipeline and be connected for Gas Pipe 1, by controlling air duct, introduce the air with certain pressure, by regulating gas, control ball valve and make combustion gas and air form suitable proportionate relationship to enter fuel chamber and burn.
Igniting manually, incendiary source is placed in outside micropore honeycomb ceramics heat radiation plate 7, natural gas is introduced to 5 li of Mai Yan stable burning room and light natural gas, flame is burying burning between uniform gas board 6 in flame device and micropore honeycomb ceramics heat radiation plate 7, now natural gas is burying in flame combustion chamber burning to burying the heating of flame filler, heating produces heat radiation, observe temperature rising and drive gesture, by controlling, strengthen gradually gas discharge, the heat radiation that burning produces is evenly distributed on micropore honeycomb ceramics heat radiation plate heat by uniform gas board, micropore honeycomb ceramics heat radiation plate heats chute by heat radiation mode.Here it is, and thermal radiation generator heats the course of work of chute.
In embodiment 1 and 2 the course of work, parameters is as follows:
1, (combustion gas) natural gas:
Calorific value: 8400Kcal/m
3pressure: 0.4MPa flow: three conjoined structure 2m
3/ h
(while using liquefied gas, coal gas for fuel can according to calorific value reduced discharge)
2, chute heating-up temperature:
800-1000℃
3, mechanical balance frame:
Highly: 1600mm, width: 1000mm weight: 200Kg
4, generator cylinder body:
Highly: 300mm width: 600mm thickness: 390mm weight: 30Kg.
Claims (8)
1. the chute with heat radiation heater, comprise chute body, thermal radiation generator and capable of regulating mechanical balance frame, described thermal radiation generator is connected with capable of regulating mechanical balance frame, thereby regulate and can be positioned at chute top by capable of regulating mechanical balance frame, it is characterized in that, described heat radiation heater comprises :-mixing air jet system;-bury flame smooth combustion apparatus, it consists of three cylinder bodies, and cylinder body outside is high-temperature-resistant thermal-insulation material, and inner is the resistant to elevated temperatures flame filler that buries, bottom is resistant to elevated temperatures micropore honeycomb ceramics heat radiation plate (7), and micropore honeycomb ceramics heat radiation plate (7) top has uniform gas board (6);
Combustion gas mixes in mixing burner with air, in thermal radiation generator cylinder body (4) burning, by radiant panel by radiant heat transfer to heated object chute.
2. the chute with heat radiation heater according to claim 1, is characterized in that, mixes air jet system by forming for Gas Pipe (1), mixing burner (2), air flow control plate (3) and conduit coupling.
3. the chute with heat radiation heater according to claim 1, it is characterized in that, mix air jet system by Gas Pipe (1), gas control ball valve (V), mixing burner (2), force combustion-supporting airduct (P), thermal radiation generator cylinder body (4) and conduit coupling form.
4. according to the chute with heat radiation heater described in claim 2 or 3, it is characterized in that, described capable of regulating mechanical balance frame comprises support bracket (13), height adjusting block (15), assembly pulley, steel wire rope (11), weight device (17), transition frame (10); Assembly pulley comprises a fixed pulley (12) and a movable pulley, fixed pulley (12) is positioned at the top of support bracket, movable pulley is positioned in transition frame (10), aperture in steel wire rope (11), movable pulley, fixed pulley (12), weight device (17) and height adjusting block (15) connects into elevation angle adjustment group, make thermal radiation generator to rotate 90 ° by the vertical direction, so that heat radiation heater switches between operating position and maintenance position; Height adjusting block (15) is fixedly attached to support bracket (13) above and can moves up and down in support bracket (13); In transition frame (10), be provided with balanced adjustment nut (8) and balance hold-down nut (16), these two nuts are connected with thermal radiation generator for realizing the horizontal adjusting of thermal radiation generator, make the surface of thermal radiation generator adapt to the gradient of chute body and contact parallel with chute, adjusting range is 15 °, each 7.5 ° up and down.
5. according to the chute with heat radiation heater one of claim 1-3 Suo Shu, it is characterized in that, control valve and flowmeter are set for controlling and regulate the temperature of chute in described Gas Pipe (1), pressure transmitter are set for detection of gaseous-pressure, stop valve is set and guarantees safety.
6. according to the chute with heat radiation heater described in claim 2 or 3, it is characterized in that support bracket (13) is steel body structure, available fang bolt is fixed.
7. according to the chute with heat radiation heater described in claim 2 or 3, it is characterized in that, the combustion gas of using in described Gas Pipe can be one or more in natural gas, liquefied petroleum gas, coal gas, device in Gas.
8. according to the chute with heat radiation heater described in claim 2 or 3, gaseous-pressure, flow, chute heating-up temperature are by the operated from a distance of PLC control system and monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320497398.5U CN203401072U (en) | 2013-08-15 | 2013-08-15 | Chute with heat radiation heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320497398.5U CN203401072U (en) | 2013-08-15 | 2013-08-15 | Chute with heat radiation heater |
Publications (1)
| Publication Number | Publication Date |
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| CN203401072U true CN203401072U (en) | 2014-01-22 |
Family
ID=49937015
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320497398.5U Expired - Lifetime CN203401072U (en) | 2013-08-15 | 2013-08-15 | Chute with heat radiation heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN203401072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394657A (en) * | 2013-08-15 | 2013-11-20 | 王立臣 | Chute provided with thermal radiation heater and application method thereof |
| CN103878355A (en) * | 2014-03-12 | 2014-06-25 | 江苏永钢集团有限公司 | Interlocking device for lifting and limiting of ladle cover of vertical heating device and using method thereof |
-
2013
- 2013-08-15 CN CN201320497398.5U patent/CN203401072U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394657A (en) * | 2013-08-15 | 2013-11-20 | 王立臣 | Chute provided with thermal radiation heater and application method thereof |
| CN103394657B (en) * | 2013-08-15 | 2015-05-13 | 王立臣 | Chute provided with thermal radiation heater and application method thereof |
| CN103878355A (en) * | 2014-03-12 | 2014-06-25 | 江苏永钢集团有限公司 | Interlocking device for lifting and limiting of ladle cover of vertical heating device and using method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |