CN103940228A - High-temperature lifting furnace - Google Patents
High-temperature lifting furnace Download PDFInfo
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- CN103940228A CN103940228A CN201310020056.9A CN201310020056A CN103940228A CN 103940228 A CN103940228 A CN 103940228A CN 201310020056 A CN201310020056 A CN 201310020056A CN 103940228 A CN103940228 A CN 103940228A
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Abstract
The invention discloses a high-temperature lifting furnace. The high-temperature lifting furnace comprises a furnace shell, a heath arranged in the furnace shell, a furnace bottom lifting platform, a temperature measurement thermocouple, heating elements, an air inlet system and an exhaust pipe. The hearth is composed of a furnace top and a square furnace body. The bottom and the top of the furnace body are open. The furnace top is arranged on the top of the furnace body. The upper end of the furnace bottom lifting platform is connected with a furnace door used for closing an inner cavity of the hearth. The heating elements and the temperature measurement thermocouple are arranged in the furnace shell and extend into the inner cavity of the heath. The air inlet system is arranged on the lower portion of the hearth. The air inlet system is composed of an air inlet pipe and a preheater which is connected to the air inlet pipe in series. One end of the air inlet pipe is communicated with the inner cavity of the hearth. The other end of the air inlet pipe penetrates out of the furnace shell and is communicated with the outside. The exhaust pipe is arranged on the upper portion of the hearth. One end of the exhaust pipe is communicated with the inner cavity of the hearth. The other end of the exhaust pipe penetrates out of the furnace shell and is communicated with the outside. The high-temperature lifting furnace is good in sealing performance, uniform in furnace temperature and convenient to move and overhaul.
Description
Technical field
The invention belongs to high temperature furnace technical field, relate in particular to a kind of high temperature elevator furnace.
Background technology
As everyone knows, elevator furnace is mainly used for the high temperature sintering of diamond bit, emery grinding wheel binder, accurate grinding materials and grinding tool, powder metallurgy, various structural ceramics etc.Present stage; known elevator furnace is made up of the burner hearth of fixing and liftable furnace bottom two parts; burner hearth is outward the furnace shell of protection burner hearth; it between burner hearth and furnace shell, is the refractory material of its insulation effect; lower furnace portion opening; furnace bottom is made up of the hard mullite brick on lifting platform and platform; sample to be burnt is placed on hard mullite brick; rise up into burner hearth from lower furnace portion opening part through furnace bottom hoistable platform; Si-Mo rod electrical heating elements and temperature control element thermocouple stretch into burner hearth from furnace shell top, and temperature control adopts PID advanced programmable automatically to control.
Above-mentioned traditional elevator furnace is mainly made up of refractory brick matter burner hearth and ceramic fibre or perlite furnace lining, and the heat absorption of burner hearth furnace lining is many, heat up slow, and furnace temperature inequality, energy consumption is high, comparatively heavy.
Summary of the invention
The problem existing in actual applications in order to overcome traditional elevator furnace, the object of this invention is to provide a kind of good seal, the uniform high temperature elevator furnace of furnace temperature.
In order to realize foregoing invention object, the present invention adopts technical scheme as described below:
A kind of high temperature elevator furnace, comprise furnace shell, be arranged on the burner hearth of furnace shell inside, furnace bottom hoistable platform, temperature thermocouple, heating element heater, gas handling system and blast pipe, burner hearth is made up of furnace roof and square body of heater, the bottom of described body of heater and top are opened wide, furnace roof is arranged on the top of body of heater, the upper end of furnace bottom hoistable platform is connected with the fire door for closed furnace inner chamber, in furnace shell, be provided with the heating element heater and the temperature thermocouple that stretch in burner hearth cavity, lower furnace portion is provided with gas handling system, described gas handling system is made up of air inlet pipe and the preheater being serially connected in air inlet pipe, air inlet pipe one end is communicated with burner hearth cavity, the other end passes furnace shell and is in communication with the outside, the top of burner hearth is provided with blast pipe, and blast pipe one end is communicated with burner hearth cavity, and the other end passes furnace shell and is in communication with the outside.
Further, the body of heater of described burner hearth is the integrative-structure that adopts the ceramic beaverboard splicing composition of wet method vacuum suction filter extrusion forming, and the heatproof of this ceramic beaverboard is 1500 DEG C-1800 DEG C.
Further, the furnace roof of described burner hearth is the overall structure of being built by laying bricks or stones by the ceramic beaverboard that is T-shape, and in this overall structure, is equipped with some high-temperature ceramics.
Further, described fire door is the overall structure of being built by laying bricks or stones by long alumina bubble brick and short alumina bubble brick each interval.
Further, between the body of heater of described burner hearth and furnace shell, be provided with alumina silicate fibre refractory insulating layer.
Further, described fire door is connected with burner hearth is chimeric.
Further, on described fire door, be provided with high-alumina refractory fiber blanket with the chimeric contact-making surface being connected of burner hearth.
Further, described heating element heater is U-shaped Elema or U-shaped Si-Mo rod.
The part of further, stretching out furnace shell on described air inlet pipe and blast pipe is provided with flow control valve.
Owing to adopting technique scheme, the present invention has following superiority:
1, burner hearth of the present invention adopts ceramic beaverboard to construct, and thermal capacitance density is little, electric furnace quick heating, and operating efficiency is high, and energy saving is mobile more light;
2, fire door adopts the overall structure that long and short alumina bubble brick each interval is built by laying bricks or stones, can make material be heated evenly;
3, the layout of air inlet pipeline makes atmosphere can well enrich the every nook and cranny of burner hearth;
4, in the present invention, the setting of preheater can reduce the impact of strong cold air atmosphere to burner hearth heating element heater, increases the life-span of burner hearth and heating element heater.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
In figure: 1-furnace shell; 2-body of heater; 3-heating element heater; 4-furnace roof; 5-temperature thermocouple; 6-blast pipe; 7-air inlet pipe; 8-preheater; 9-fire door; 10-furnace bottom hoistable platform; 11-drop-bottom.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.
As shown in Figure 1, a kind of high temperature elevator furnace, comprise furnace shell 1, be arranged on the burner hearth of furnace shell 1 inside, furnace bottom hoistable platform 10, temperature thermocouple 5, heating element heater 3, gas handling system and blast pipe 6, burner hearth is made up of furnace roof 4 and square body of heater 2, the bottom of described body of heater 2 and top are opened wide, furnace roof 4 is arranged on the top of body of heater 2, and furnace roof 4 and body of heater 2 are tightly connected, the upper end of furnace bottom hoistable platform 10 is connected with the fire door 9 for closed furnace inner chamber, in furnace shell 1, be provided with from furnace roof 4 and stretch into heating element heater 3 and the temperature thermocouple 5 burner hearth cavity, and seal by fiberboard with the contact site of furnace roof 4 at heating element heater 3 and temperature thermocouple 5, on the upper surface of furnace roof 4, lay one deck ceramic fiber paper, be used for burner hearth heat preservation energy-saving, lower furnace portion is provided with gas handling system, described gas handling system is made up of air inlet pipe 7 and the preheater 8 being serially connected in air inlet pipe 7, described preheater 8 enters the gas of burner hearth from air inlet pipe 7 for preheating, impact atmosphere and the material in burner hearth for the cold air that prevents from entering, air inlet pipe 7 one end are communicated with burner hearth cavity, and the other end passes furnace shell 1 and is in communication with the outside, and air inlet pipe 7 passes in the part of furnace shell 1 and be provided with flow control valve, for controlling and measure the amount that enters burner hearth gas, the top of burner hearth is provided with blast pipe 6, and blast pipe 6 one end are communicated with burner hearth cavity, and the other end passes furnace shell 1 and is in communication with the outside, and blast pipe 6 passes in the part of furnace shell 1 and be provided with flow control valve, for combustion gas.
The body of heater 2 of described burner hearth is the integrative-structure that adopts the ceramic beaverboard splicing composition of wet method vacuum suction filter extrusion forming, and the heatproof of this ceramic beaverboard is 1500 DEG C-1800 DEG C, in addition also can be according to real work needs, select the ceramic beaverboard of suitable heatproof to make body of heater 2; And be provided with refractory insulating layer between body of heater 2 surroundings and furnace shell 1, described refractory insulating layer is cellucotton and fibrofelt, for insulation and firm body of heater 2.
The furnace roof 4 of described burner hearth is the overall structure of being built by laying bricks or stones by the ceramic beaverboard that is T-shape, and in this overall structure, is equipped with some high-temperature ceramics, has strengthened the stability of furnace roof 4, prevents that furnace roof 4 from caving in.
Described fire door 9 is the overall structures of being built by laying bricks or stones by long alumina bubble brick and short alumina bubble brick each interval, is provided with the drop-bottom 11 for supporting material on the upper surface of fire door 9; Fire door 9 upper surfaces are scraggly structure, can make all thermally equivalents of even material of furnace temperature, have also ensured material load-bearing.
Between described fire door 9 and burner hearth, adopt the chimeric mode being connected, and be provided with high-alumina refractory fiber felt on fire door 9 with on the chimeric contact-making surface being connected of burner hearth, ensured the sealing of fire door, avoided occurring rigid impact between fire door 9 and burner hearth.
Described temperature thermocouple 5 is connected with PID Programmable Logic Controller, and described heating element heater 3 is U-shaped Si-Mo rod or Elema, and it is connected with transformer.
The course of work of the present invention is: put into material to fire door 9, by fire door 9 sealing of rising, pass into protective atmosphere, set and start heating schedule, implementing process engineering, stops heating, naturally cooling, stops atmosphere input, blow-on door 9, and discharging, closes main power source.
Claims (9)
1. a high temperature elevator furnace, comprise furnace shell (1), be arranged on the burner hearth of furnace shell inside, furnace bottom hoistable platform (10), temperature thermocouple (5), heating element heater (3), gas handling system and blast pipe (6), it is characterized in that: burner hearth is made up of furnace roof (4) and square body of heater (2), the bottom of described body of heater (2) and top are opened wide, furnace roof (4) is arranged on the top of body of heater, the upper end of furnace bottom hoistable platform (10) is connected with the fire door (9) for closed furnace inner chamber, in furnace shell (1), be provided with the heating element heater (3) and the temperature thermocouple (5) that stretch in burner hearth cavity, lower furnace portion is provided with gas handling system, described gas handling system is made up of air inlet pipe (7) and the preheater (8) that is serially connected in air inlet pipe, air inlet pipe one end is communicated with burner hearth cavity, the other end passes furnace shell and is in communication with the outside, the top of burner hearth is provided with blast pipe (6), and blast pipe one end is communicated with burner hearth cavity, and the other end passes furnace shell and is in communication with the outside.
2. high temperature elevator furnace according to claim 1, is characterized in that: the body of heater (2) of described burner hearth is the integrative-structure that adopts the ceramic beaverboard splicing composition of wet method vacuum suction filter extrusion forming, and the heatproof of this ceramic beaverboard is 1500 DEG C-1800 DEG C.
3. high temperature elevator furnace according to claim 1, is characterized in that: the furnace roof (4) of described burner hearth is the overall structure of being built by laying bricks or stones by the ceramic beaverboard that is T-shape, and in this overall structure, is equipped with some high-temperature ceramics.
4. high temperature elevator furnace according to claim 1, is characterized in that: described fire door is the overall structure of being built by laying bricks or stones by long alumina bubble brick and short alumina bubble brick each interval.
5. high temperature elevator furnace according to claim 1, is characterized in that: between the body of heater (2) of described burner hearth and furnace shell (1), be provided with alumina silicate fibre refractory insulating layer.
6. high temperature elevator furnace according to claim 1, is characterized in that: described fire door (9) is connected with burner hearth is chimeric.
7. high temperature elevator furnace according to claim 6, is characterized in that: described fire door (9) is upper is provided with high-alumina refractory fiber blanket with the chimeric contact-making surface being connected of burner hearth.
8. high temperature elevator furnace according to claim 1, is characterized in that: described heating element heater (3) is U-shaped Elema or U-shaped Si-Mo rod.
9. high temperature elevator furnace according to claim 1, is characterized in that: the part of stretching out furnace shell on described air inlet pipe (7) and blast pipe (6) is provided with flow control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310020056.9A CN103940228A (en) | 2013-01-21 | 2013-01-21 | High-temperature lifting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310020056.9A CN103940228A (en) | 2013-01-21 | 2013-01-21 | High-temperature lifting furnace |
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| CN103940228A true CN103940228A (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310020056.9A Pending CN103940228A (en) | 2013-01-21 | 2013-01-21 | High-temperature lifting furnace |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972218A (en) * | 2015-06-11 | 2015-10-14 | 德清县新高凌不锈钢材料有限公司 | Temperature control device of vacuum brazing furnace |
| CN105352325A (en) * | 2015-11-16 | 2016-02-24 | 江苏丰东热技术股份有限公司 | Novel blast furnace sealing structure |
| CN105371648A (en) * | 2015-11-23 | 2016-03-02 | 江苏丰东热技术股份有限公司 | Floor type high-temperature heating furnace |
| CN106596619A (en) * | 2016-12-14 | 2017-04-26 | 中国航空工业集团公司北京航空材料研究院 | Automatic oxidation recycling apparatus |
| CN108322156A (en) * | 2018-02-07 | 2018-07-24 | 王华根 | A kind of mounting bracket on solar panels |
| CN109056253A (en) * | 2018-11-05 | 2018-12-21 | 开平市佰利丰纺织有限公司 | A kind of automatic heat-treating machine |
| CN112501427A (en) * | 2020-11-30 | 2021-03-16 | 中南大学 | Molybdenum concentrate oxidation volatilization purification device |
| CN113513919A (en) * | 2021-04-20 | 2021-10-19 | 烟台奥森制动材料有限公司 | Resin carbonization furnace for densification of C-C material |
| CN115341084A (en) * | 2022-09-16 | 2022-11-15 | 襄阳金耐特机械股份有限公司 | Heat treatment furnace |
| CN115341084B (en) * | 2022-09-16 | 2024-04-12 | 襄阳金耐特机械股份有限公司 | Heat treatment furnace |
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| CN201187942Y (en) * | 2008-04-15 | 2009-01-28 | 武汉理工大学 | Cold top protection controllable atmosphere high temperature elevating furnace |
| CN201273770Y (en) * | 2008-08-29 | 2009-07-15 | 上海焦化有限公司 | High temperature tubular resistor furnace |
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| CN202254811U (en) * | 2011-09-29 | 2012-05-30 | 武汉迈特炉业科技有限公司 | Non-tank type protective atmosphere high-temperature experimental furnace |
| CN202465811U (en) * | 2012-03-15 | 2012-10-03 | 重庆飞达电炉有限公司 | Resistance-heating titanium alloy heat treatment furnace |
| CN203148211U (en) * | 2013-01-21 | 2013-08-21 | 洛阳华旭利尔电炉有限公司 | High-temperature lifting furnace |
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Patent Citations (6)
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| CN201187942Y (en) * | 2008-04-15 | 2009-01-28 | 武汉理工大学 | Cold top protection controllable atmosphere high temperature elevating furnace |
| CN201273770Y (en) * | 2008-08-29 | 2009-07-15 | 上海焦化有限公司 | High temperature tubular resistor furnace |
| JP2010091236A (en) * | 2008-10-10 | 2010-04-22 | Osaka Gas Co Ltd | Furnace pressure control apparatus |
| CN202254811U (en) * | 2011-09-29 | 2012-05-30 | 武汉迈特炉业科技有限公司 | Non-tank type protective atmosphere high-temperature experimental furnace |
| CN202465811U (en) * | 2012-03-15 | 2012-10-03 | 重庆飞达电炉有限公司 | Resistance-heating titanium alloy heat treatment furnace |
| CN203148211U (en) * | 2013-01-21 | 2013-08-21 | 洛阳华旭利尔电炉有限公司 | High-temperature lifting furnace |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972218A (en) * | 2015-06-11 | 2015-10-14 | 德清县新高凌不锈钢材料有限公司 | Temperature control device of vacuum brazing furnace |
| CN104972218B (en) * | 2015-06-11 | 2017-06-06 | 德清县新高凌不锈钢材料有限公司 | Vacuum brazing stove attemperating unit |
| CN105352325A (en) * | 2015-11-16 | 2016-02-24 | 江苏丰东热技术股份有限公司 | Novel blast furnace sealing structure |
| CN105371648A (en) * | 2015-11-23 | 2016-03-02 | 江苏丰东热技术股份有限公司 | Floor type high-temperature heating furnace |
| CN106596619A (en) * | 2016-12-14 | 2017-04-26 | 中国航空工业集团公司北京航空材料研究院 | Automatic oxidation recycling apparatus |
| CN106596619B (en) * | 2016-12-14 | 2019-06-04 | 中国航空工业集团公司北京航空材料研究院 | A kind of autoxidation circulator |
| CN108322156A (en) * | 2018-02-07 | 2018-07-24 | 王华根 | A kind of mounting bracket on solar panels |
| CN109056253A (en) * | 2018-11-05 | 2018-12-21 | 开平市佰利丰纺织有限公司 | A kind of automatic heat-treating machine |
| CN112501427A (en) * | 2020-11-30 | 2021-03-16 | 中南大学 | Molybdenum concentrate oxidation volatilization purification device |
| CN113513919A (en) * | 2021-04-20 | 2021-10-19 | 烟台奥森制动材料有限公司 | Resin carbonization furnace for densification of C-C material |
| CN115341084A (en) * | 2022-09-16 | 2022-11-15 | 襄阳金耐特机械股份有限公司 | Heat treatment furnace |
| CN115341084B (en) * | 2022-09-16 | 2024-04-12 | 襄阳金耐特机械股份有限公司 | Heat treatment furnace |
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Application publication date: 20140723 |
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