CN201187942Y - Cold top protection controllable atmosphere high temperature elevating furnace - Google Patents
Cold top protection controllable atmosphere high temperature elevating furnace Download PDFInfo
- Publication number
- CN201187942Y CN201187942Y CNU2008200664835U CN200820066483U CN201187942Y CN 201187942 Y CN201187942 Y CN 201187942Y CN U2008200664835 U CNU2008200664835 U CN U2008200664835U CN 200820066483 U CN200820066483 U CN 200820066483U CN 201187942 Y CN201187942 Y CN 201187942Y
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- furnace
- high temperature
- burner hearth
- controlled atmosphere
- cold top
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Abstract
The utility model relates to a cooled head protection controlled atmosphere high temperature elevator furnace which comprises a temperature thermocouple (1), a si-mo bar electric heating element (2), a furnace mantle (3), a hearth (4), an elevating gear and, an air inlet system and an air outlet system. The upper part of the furnace mantle is installed with a cooled head which is formed by a cooled sealing water jacket (27), and a layer of high temperature resistant sealing gasket (26) is lined between the furnace mantle and the cooled head. Parts of the si-mo bar electric heating element and the temperature thermocouple which extend out the hearth are sealed in a cavity which is formed by the cooled sealing water jacket and a furnace body refractory fiber layer (25), and a furnace door sealing brick (15) on a furnace bottom lift platform (16) is added with a circle of arenous seal groove (18) and a circle of high temperature resistant sealing gasket (17). The cooled head protection controlled atmosphere high temperature elevator furnace has the advantages that the leak tightness is good, a plurality of mixed gases can be passed through, the use is convenient, the energy is saved, the environment protectived, and the like, and is especially applied to high sintering, melting and preparation of metal, pottery and porcelain and glass materials which have the requirement of atmosphere.
Description
Technical field
The utility model relates to resistance furnace, relates to a kind of controlled atmosphere high temperature lift resistance furnace that has the protection of cold top specifically, is specially adapted to high temperature sintering, fusing and the preparation of metal, pottery and the glass material of atmosphere requirement.
Background technology
Known a kind of elevator furnace is made up of fixing burner hearth and liftable furnace bottom two parts.Burner hearth is outward the furnace shell of protection burner hearth, has been the refractory material of insulation effect between burner hearth and the furnace shell.The lower furnace portion opening, furnace bottom is made up of the hard mullite brick on liftable platform and the platform, and sample to be burnt is placed on the hard mullite brick, rises up in the burner hearth through the lower openings of furnace bottom hoistable platform from burner hearth.Si-Mo rod electrical heating elements and temperature control element thermocouple stretch into the burner hearth from furnace shell top.Temperature control adopts the PID advanced programmable to control automatically.
Above-mentioned elevator furnace has that programming rate is fast, energy-conservation, heatproof is high and advantage such as the life-span is long; and have functions such as automatic current limiting, overcurrent protection, overtemperature prote; sintering procedure that can strict control product; can satisfy the sintering of kinds of processes curve, be very suitable for the small lot batch manufacture and the trial-production of factory and R﹠D institution.But this elevator furnace sealing is relatively poor, and ventilation atmosphere function is seldom arranged, and can't satisfy many experiments ventilation atmosphere and furnace atmosphere in the stove are initiatively extracted out requirement with continuous detecting.In addition, waste gas in air, also can cause to a certain degree pollution to air by Si-Mo rod and the direct loss of thermocouple jack in the stove.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of controlled atmosphere high temperature elevator furnace that has the protection of cold top, to overcome that existing elevator furnace sealing is relatively poor, the scope of application is limited and to be unfavorable for the shortcoming of environmental protection.
The technical scheme that its technical problem that solves the utility model adopts is: comprise temperature thermocouple, Si-Mo rod electrical heating elements, furnace shell, burner hearth, lowering or hoisting gear and turnover gas system.Install one additional by the formed cold top of coolant seal water jacket on furnace shell top, be lined with one deck refractory seals packing ring between furnace shell and the cold top.The part that Si-Mo rod electrical heating elements and temperature thermocouple stretch out burner hearth is sealed in by in coolant seal water jacket and the formed cavity of body of heater refractory fiber floor.Fire door sealing brick on the furnace bottom hoistable platform adds a circle chiltern seal groove and a circle refractory seals packing ring.
The utility model compared with prior art has following major advantage:
One. have furnace atmosphere and initiatively extract out and continuous detection apparatus, can realize feeding the adjusting in proportion and the control of atmosphere, can also recycle effectively, therefore have advantages such as use is wide, energy-conserving and environment-protective the waste gas that burner hearth is discharged.
They are two years old. the burner hearth good sealing effect, be convenient to the active extraction and the continuous detecting of furnace atmosphere, and the maintenance and the adjusting of gas concentration in the burner hearth.
They are three years old. and three kinds of different gases can be fed simultaneously, and steam can be fed.
They are four years old. owing to one cooling jacket is arranged in furnace roof heater link upper design, therefore the cooling effect by cooling water, top temperature is controlled at below 60 ℃, can prevent the high-temperature oxydation of link electric elements thus, strengthened the security of equipment, its equipment can at high temperature be used for a long time.
In a word, the utlity model has good airproof performance, can lead to various mixed gases, advantage such as easy to use, energy-conserving and environment-protective, be specially adapted to high temperature sintering, the fusing of metal, pottery and glass material that atmosphere requires and prepare.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structure enlarged diagram of the utility model coolant seal water jacket 27.
Among the figure: 1. temperature thermocouple; 2. Si-Mo rod electrical heating elements; 3. furnace shell; 4. burner hearth; 5. inlet channel; 6. flow control valve; 7. air inlet; 8. flow control valve; 9. air inlet; 10. flow control valve; 11. flow control valve; 12. air inlet; 13. furnace body support and hoistable platform guide rail; 14. sample carrying brick; 15. fire door sealing brick; 16. hoistable platform; 17. refractory seals packing ring; 18. chiltern seal groove; 19. lifting shaft; 20. gas outlet; The valve 21. give vent to anger; The valve 22. give vent to anger; 23. gas outlet; 24. outlet passageway; 25. body of heater refractory fiber floor; 26. refractory seals packing ring; 27. coolant seal water jacket; 28. screw; 29. cooling water flowing water Valve; 30. cooling water inlet valve.
The specific embodiment
Below in conjunction with accompanying drawing and example the utility model is further specified.
The cold top protection controlled atmosphere high temperature elevator furnace that the utility model provides, as depicted in figs. 1 and 2: comprise temperature thermocouple 1, Si-Mo rod electrical heating elements 2, furnace shell 3, burner hearth 4, lowering or hoisting gear and turnover gas system.Install one additional by coolant seal water jacket 27 formed cold tops on furnace shell top, be lined with one deck refractory seals packing ring 26 between furnace shell and the cold top, and with screw 28 furnace shell and coolant seal water jacket 27 are closely linked, to guarantee the sealing between coolant seal water jacket 27 and the furnace shell 3.Temperature thermocouple 1 and Si-Mo rod electrical heating elements 2 penetrate the burner hearth 4 from the top of furnace shell 3, the part that they stretch out burner hearth is sealed in by in coolant seal water jacket 27 and the body of heater refractory fiber floor 25 formed cavitys, overflows from temperature thermocouple 1 and Si-Mo rod electrical heating elements 2 jacks to prevent furnace gas.Simultaneously, the fire door sealing brick 15 on the hoistable platform 16 of furnace bottom adds a circle chiltern seal groove 18 and a circle refractory seals packing ring 17, with the air-tightness of assurance fire door, thereby realizes the higher air-tightness of burner hearth.
Described temperature thermocouple 1 links to each other with PID advanced programmable temperature controller.Si-Mo rod electrical heating elements 2 is the U type, and it links to each other with transformer.Refractory seals packing ring 17 can adopt ceramic fibre quality high-temperature seal washer.Body of heater refractory fiber floor 25 is a light-weight mullite body of heater refractory fibre heat-insulation layer.
Described burner hearth 4, its underpart is provided with inlet channel 5, can be made up of high temperature resistant corundum pipe.Inlet channel 5 stretches out the outer part of furnace shell and is provided with flow control valve 6 (being intake valve), is used for controlling and measuring the amount that enters burner hearth 4 gases; Flow control valve 6 is connected with air inlet 7,9,12 simultaneously, and inlet channel and air inlet are formed gas handling system; Air inlet 7,9,12 is equipped with flow control valve 8,10,11 respectively, to be used for the controlling amount that enters burner hearth 4 certain gases from air inlet 7,9,12 respectively, regulate these valves, three kinds of different gases can be mixed with the ratio of technological requirement feed in the burner hearth; Some experiment need feed steam outside burner hearth, meet the condensation knot in order to prevent steam, in three air inlets, will lean on into that the mouth of pipe of an air inlet 12 of burner hearth connects water vapor generation device down, so that steam feeds in the stove as soon as possible.The top of burner hearth 4 is provided with outlet passageway 24, outlet passageway stretches out the outer part of furnace shell and is connected with gas outlet 20,23, wherein, gas outlet 20 is used to connect vavuum pump so that burner hearth gas is carried out active extracts out, gas outlet 23 is used to connect condensing unit so that the waste gas that burner hearth is overflowed recycles and realize the continuous detecting of furnace gas, and two gas outlets are equipped with flow control valve (valve of promptly giving vent to anger) 21,22 respectively; The system of giving vent to anger is formed in outlet passageway and gas outlet.
The opening that described burner hearth is 4 down, sample is placed on the hard mullite sample carrying brick 14 in the furnace bottom jacking system, rises hoistable platforms 16 by lifting shaft 19, is entered in the burner hearth 4 by the opening part of burner hearth 4.In the chiltern seal groove 18 outside the hoistable platform upper furnace door sealing brick 15 quartz sand is housed, can realize the complete closed of burner hearth opening together with refractory seals packing ring 17, so that the active extraction and the continuous detecting of furnace gas, realize the stable of the interior atmosphere of burner hearth, also can prevent the waste gas process fire door loss contaminated environment in air in the burner hearth.Among Fig. 1, sequence number 13 is furnace body support and hoistable platform guide rail.
Described coolant seal water jacket 27 can be fixed on the furnace shell 3 by screw 28 by the steel manufacturing, is convenient to dismounting, and is convenient to the replacing of temperature thermocouple 1, Si-Mo rod electrical heating elements 2.
The course of work of the present utility model is: before the stove heating, open cooling water flowing water Valve 29 and cooling water inlet valve 30, feed cooling water in coolant seal water jacket 27; Rise the furnace bottom closed furnace door, close the flow control valve 6 and the valve 22 of giving vent to anger, open the valve 21 of giving vent to anger, start vavuum pump, make to form certain negative pressure in the burner hearth, so that the entering of gas.Open in the flow control valve 8,10,11 one or several according to the experiment needs, can in burner hearth, feed certain density one pack system or multicomponent gas.After furnace atmosphere is stable, close the valve 21 of giving vent to anger, gas outlet 23 is connected into condensing unit, in stove heating process, open the valve 22 of giving vent to anger, can recycle the burner hearth escaping gas.
Gas handling system of the present utility model and the system of giving vent to anger can transpositions, to adapt to the needs of different experiments to the different atmosphere environment.
Claims (6)
1. controlled atmosphere high temperature elevator furnace is protected on a cold top, comprise temperature thermocouple (1), Si-Mo rod electrical heating elements (2), furnace shell (3), burner hearth (4), lowering or hoisting gear and turnover gas system, it is characterized in that: install one additional on furnace shell top by the formed cold top of coolant seal water jacket (27), be lined with one deck refractory seals packing ring (26) between furnace shell and the cold top; The part that Si-Mo rod electrical heating elements and temperature thermocouple stretch out burner hearth is sealed in by in coolant seal water jacket and the formed cavity of body of heater refractory fiber floor (25); Fire door sealing brick (15) on furnace bottom hoistable platform (16) adds a circle chiltern seal groove (18) and circle refractory seals packing rings (17).
2. cold top protection controlled atmosphere high temperature elevator furnace according to claim 1, it is characterized in that: burner hearth (4) bottom is provided with inlet channel (5), and inlet channel stretches out the outer part of furnace shell and connects three air inlets composition gas handling systems; Burner hearth (4) top is provided with outlet passageway (24), and outlet passageway stretches out the outer part of furnace shell and is connected with two gas outlets and forms the system of giving vent to anger, and two gas outlets connect condensing unit, vavuum pump respectively.
3. cold top protection controlled atmosphere high temperature elevator furnace according to claim 2, it is characterized in that: in three air inlets, will leaning on into, the mouth of pipe of an air inlet (12) of burner hearth connects water vapor generation device down.
4. cold top protection controlled atmosphere high temperature elevator furnace according to claim 2, it is characterized in that: inlet channel (5) stretches out the outer part of furnace shell and is connected simultaneously with three air inlets by flow control valve (6), and each air inlet is equipped with flow control valve respectively.
5. cold top protection controlled atmosphere high temperature elevator furnace according to claim 2, it is characterized in that: two gas outlets of outlet passageway (24) are equipped with flow control valve respectively.
6. cold top protection controlled atmosphere high temperature elevator furnace according to claim 1, it is characterized in that: coolant seal water jacket (27) is fixed on the furnace shell (3) by the screw (28) of limit portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200664835U CN201187942Y (en) | 2008-04-15 | 2008-04-15 | Cold top protection controllable atmosphere high temperature elevating furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200664835U CN201187942Y (en) | 2008-04-15 | 2008-04-15 | Cold top protection controllable atmosphere high temperature elevating furnace |
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| CN201187942Y true CN201187942Y (en) | 2009-01-28 |
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| CNU2008200664835U Expired - Fee Related CN201187942Y (en) | 2008-04-15 | 2008-04-15 | Cold top protection controllable atmosphere high temperature elevating furnace |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101487745B (en) * | 2009-02-18 | 2011-04-20 | 中冶赛迪工程技术股份有限公司 | Radiant panel thermometer detection apparatus and method for continuous annealing furnace |
| CN102226720A (en) * | 2011-02-12 | 2011-10-26 | 中冶南方（新余）冷轧新材料技术有限公司 | Measurement anti-interference device for radiant panel thermometers |
| CN102809287A (en) * | 2012-08-18 | 2012-12-05 | 合肥荣业新材料设备有限公司 | Vacuum atmosphere furnace with shared hood |
| CN103411427A (en) * | 2013-08-09 | 2013-11-27 | 刘和义 | Efficient energy-saving high-temperature electric furnace with lifting furnace door and full-fiber hearth |
| CN103411428A (en) * | 2013-09-02 | 2013-11-27 | 湖南阳东微波科技有限公司 | Art ceramics microwave sintering furnace |
| CN103453145A (en) * | 2013-08-07 | 2013-12-18 | 长兴三重窑炉科技有限公司 | Hearth sealing device of high-temperature atmosphere furnace |
| CN103574619A (en) * | 2012-07-27 | 2014-02-12 | 苏州工业园区杰士通真空技术有限公司 | High-temperature combustion furnace |
| CN103940228A (en) * | 2013-01-21 | 2014-07-23 | 洛阳华旭利尔电炉有限公司 | High-temperature lifting furnace |
| CN104110963A (en) * | 2014-07-21 | 2014-10-22 | 洛阳市西格马炉业有限公司 | High-temperature gas-pressure sintering furnace |
| CN104110965A (en) * | 2014-07-14 | 2014-10-22 | 洛阳市西格马炉业有限公司 | High-temperature air pressure sintering furnace |
| CN104976892A (en) * | 2014-04-11 | 2015-10-14 | 上海宝钢化工有限公司 | High-temperature lifting furnace |
| CN105067657A (en) * | 2015-08-27 | 2015-11-18 | 马鞍山钢铁股份有限公司 | Iron ore sintering high-temperature characteristic detection device and detection method thereof |
| CN106197012A (en) * | 2016-07-12 | 2016-12-07 | 淄博科浩热能工程有限公司 | Brand-new muffle burn batch-type kiln furnace structure |
| CN106322985A (en) * | 2015-07-10 | 2017-01-11 | 四川中豪科技有限公司 | Inverted high-efficiency automatic electric heating furnace |
| CN106705658A (en) * | 2016-12-27 | 2017-05-24 | 山东昊华太阳能有限公司 | Well type lifting sintering furnace with balance weights, for solar water heater enamel liners |
| CN107246796A (en) * | 2017-07-28 | 2017-10-13 | 河南诺巴迪材料科技有限公司 | The electric kiln and pottery method for cooking sintered for pottery |
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| CN112588861A (en) * | 2020-11-23 | 2021-04-02 | 江西联创光电超导应用有限公司 | Bracket structure for feeding and discharging component and operation method |
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2008
- 2008-04-15 CN CNU2008200664835U patent/CN201187942Y/en not_active Expired - Fee Related
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101487745B (en) * | 2009-02-18 | 2011-04-20 | 中冶赛迪工程技术股份有限公司 | Radiant panel thermometer detection apparatus and method for continuous annealing furnace |
| CN102226720A (en) * | 2011-02-12 | 2011-10-26 | 中冶南方（新余）冷轧新材料技术有限公司 | Measurement anti-interference device for radiant panel thermometers |
| CN102226720B (en) * | 2011-02-12 | 2012-09-05 | 中冶南方（新余）冷轧新材料技术有限公司 | Measurement anti-interference device for radiant panel thermometers |
| CN103574619A (en) * | 2012-07-27 | 2014-02-12 | 苏州工业园区杰士通真空技术有限公司 | High-temperature combustion furnace |
| CN102809287A (en) * | 2012-08-18 | 2012-12-05 | 合肥荣业新材料设备有限公司 | Vacuum atmosphere furnace with shared hood |
| CN103940228A (en) * | 2013-01-21 | 2014-07-23 | 洛阳华旭利尔电炉有限公司 | High-temperature lifting furnace |
| CN103453145B (en) * | 2013-08-07 | 2015-08-19 | 长兴三重窑炉科技有限公司 | A kind of seal arrangement of high-temperature atmosphere furnace burner hearth |
| CN103453145A (en) * | 2013-08-07 | 2013-12-18 | 长兴三重窑炉科技有限公司 | Hearth sealing device of high-temperature atmosphere furnace |
| CN103411427B (en) * | 2013-08-09 | 2014-11-05 | 刘和义 | Efficient energy-saving high-temperature electric furnace with lifting furnace door and full-fiber hearth |
| CN103411427A (en) * | 2013-08-09 | 2013-11-27 | 刘和义 | Efficient energy-saving high-temperature electric furnace with lifting furnace door and full-fiber hearth |
| CN103411428B (en) * | 2013-09-02 | 2016-01-27 | 湖南阳东微波科技有限公司 | A kind of art pottery microwave agglomerating furnace |
| CN103411428A (en) * | 2013-09-02 | 2013-11-27 | 湖南阳东微波科技有限公司 | Art ceramics microwave sintering furnace |
| CN104976892A (en) * | 2014-04-11 | 2015-10-14 | 上海宝钢化工有限公司 | High-temperature lifting furnace |
| CN104976892B (en) * | 2014-04-11 | 2017-05-24 | 上海宝钢化工有限公司 | High-temperature lifting furnace |
| CN104110965A (en) * | 2014-07-14 | 2014-10-22 | 洛阳市西格马炉业有限公司 | High-temperature air pressure sintering furnace |
| CN104110965B (en) * | 2014-07-14 | 2016-08-24 | 洛阳西格马炉业股份有限公司 | A kind of high temperature air pressure sintering furnace |
| CN104110963A (en) * | 2014-07-21 | 2014-10-22 | 洛阳市西格马炉业有限公司 | High-temperature gas-pressure sintering furnace |
| CN104110963B (en) * | 2014-07-21 | 2016-08-24 | 洛阳西格马炉业股份有限公司 | A kind of high temperature air pressure sintering furnace |
| CN106322985A (en) * | 2015-07-10 | 2017-01-11 | 四川中豪科技有限公司 | Inverted high-efficiency automatic electric heating furnace |
| CN105067657A (en) * | 2015-08-27 | 2015-11-18 | 马鞍山钢铁股份有限公司 | Iron ore sintering high-temperature characteristic detection device and detection method thereof |
| CN106197012A (en) * | 2016-07-12 | 2016-12-07 | 淄博科浩热能工程有限公司 | Brand-new muffle burn batch-type kiln furnace structure |
| CN106705658A (en) * | 2016-12-27 | 2017-05-24 | 山东昊华太阳能有限公司 | Well type lifting sintering furnace with balance weights, for solar water heater enamel liners |
| CN107246796A (en) * | 2017-07-28 | 2017-10-13 | 河南诺巴迪材料科技有限公司 | The electric kiln and pottery method for cooking sintered for pottery |
| CN107726849A (en) * | 2017-11-03 | 2018-02-23 | 上海电力学院 | A kind of cabinet-type electric furnace Temperature-controlled appliance |
| CN112588861A (en) * | 2020-11-23 | 2021-04-02 | 江西联创光电超导应用有限公司 | Bracket structure for feeding and discharging component and operation method |
| CN112588861B (en) * | 2020-11-23 | 2023-06-06 | 江西联创光电超导应用有限公司 | Bracket structure for feeding and discharging parts and operation method |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20090128 Termination date: 20140415 |