CN204063937U - The reduction furnace of simulation rotary hearth furnace - Google Patents
The reduction furnace of simulation rotary hearth furnace Download PDFInfo
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- CN204063937U CN204063937U CN201420396688.5U CN201420396688U CN204063937U CN 204063937 U CN204063937 U CN 204063937U CN 201420396688 U CN201420396688 U CN 201420396688U CN 204063937 U CN204063937 U CN 204063937U
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Abstract
The utility model discloses a kind of reduction furnace of simulating rotary hearth furnace, it comprises body of heater, described body of heater is provided with charging fire door and discharging door, it is characterized in that, the burner hearth of described body of heater is divided into multiple room, each room is separated by liftable partition wall, and each room is provided with air inlet, smoke evacuation system and heating element heater.Burner hearth is divided into multiple independently room by reduction furnace of the present utility model, can carry out Region control, effectively can simulate rotary hearth furnace to in-furnace temperature and atmosphere.
Description
Technical field
The utility model relates to a kind of reduction furnace, particularly relates to a kind of reduction furnace of simulating rotary hearth furnace.
Background technology
In recent years, direct reduction processes of Iron ores development is swift and violent, and wherein coal-based rotary hearth furnace direct reduction processes of Iron ores also high speed development, advances process of industrialization.The manageable mineral of rotary hearth furnace are enriched, and utilizable resource category is various.The reduction system of different mineral in rotary hearth furnace is not identical yet, needs to determine its technological parameter by the research of a large amount of basic tests, and this finds with regard to being badly in need of the experiment Muffle furnace can simulating rotary hearth furnace in laboratory.Therefore how to simulate rotary hearth furnace carry out basic test research become problem demanding prompt solution, annoying insider always.
The Muffle furnace simulation rotary hearth furnace that adopts carries out basic test research more now, but the Muffle furnace in correlation technique all can not meet simulation rotary hearth furnace carries out heat reduction technological requirement to mineral, there are the needs improved.
Chinese utility model patent CN2676123Y discloses a kind of high temperature Muffle furnace, comprise a body of heater, and be arranged on the heat-insulation layer in shown body of heater, many group Si-Mo rod electrical-heating sources and program temperature controller, it is characterized in that: described Si-Mo rod comprises a cold junction and a hot junction.The loss of heat can be prevented, avoid vertical to run away more drawback, quick heating, obvious energy conservation.Chinese utility model patent CN201561635U discloses the Muffle furnace that a kind of laboratory uses, and comprise Muffle furnace body, Muffle furnace body upper part is provided with fume extractor, and smog can be avoided the pollution of laboratory environment, increases the precision that test is measured.There is following shortcoming in above-mentioned patent: (1) existing heating muffle stove is because heating element heater is in stove both sides, and the method for operation of rotary hearth furnace is the bottom of material at thermal source, and existing Muffle furnace well can not simulate the mode of heating of rotary hearth furnace.(2) stove is divided into the regions such as preheating zone, middle warm area, high-temperature region, cooling zone by rotary hearth furnace, and quantity and the ability of control combustion device are passed through in each region, can realize the different temperature of regional and furnace atmosphere.And the temperature that existing Muffle furnace well can not simulate rotary hearth furnace regional controls.
Chinese utility model patent 201320621109.8 discloses the Muffle furnace of a kind of heating element heater at top, comprises air inlet, air hatch, exhaust opening, in order to simulate rotary hearth furnace reduction.Heating element heater is located at stove top by this Muffle furnace, the radiation heat transfer system of rotary hearth furnace can be simulated, but rotary hearth furnace is made up of multiple subregion, the temperature in each region is different with atmosphere, and this Muffle furnace only has a burner hearth, although temperature can regulate and control according to heating curve, but rotary hearth furnace preheating zone, middle warm area and cooling zone angle less, within the time that reduction temperature is shorter, be assigned to preheating zone, the time of middle warm area and cooling zone is just shorter, general stove can not heat up in the short period of time, this just extends the time of whole reduction, well can not simulate the temperature schedule of rotary hearth furnace.And this Muffle furnace only has a burner hearth, corresponding subregion atmosphere can not be collected, also just well can not investigate the reducing degree of material in each region.
Utility model content
In order to solve the problem, the utility model provides a kind of reduction furnace of simulating rotary hearth furnace, and it comprises body of heater, and described body of heater is provided with charging fire door and discharging door, it is characterized in that:
The burner hearth of described body of heater is divided into multiple room, and each room is separated by liftable partition wall; Each room is provided with independently air inlet, smoke evacuation system and heating element heater.
The reduction partitioning scenario of the utility model simulation rotary hearth furnace, reduction furnace can be divided into 2 or more rooms as required, such as, 4 rooms, each room is separated by liftable partition wall, and the adjustable height of liftable partition wall is adjustable.
The hoisting way of liftable partition wall can manually and Electronic control, can be selected according to stove size and needs.
Each room is provided with air inlet and smoke evacuation system, can control separately the atmosphere in stove, can carry out independent acquisition to the flue gas of each room.
Each room is provided with heating element heater, realizes subregion temperature and control in reduction furnace, the temperature of burner hearth can be regulated in the scope of room temperature to 1600 DEG C, the heating element heater different according to the different choice of temperature.
Heating element heater can be Si-Mo rod, carbon-point or other heating element heaters.In order to better simulate rotary hearth furnace, heating element heater is fixed on furnace roof, according to the heating element heater quantity of each room of temperature required setting.
Reduction furnace of the present utility model also comprises sealing device, and furnace roof adopts sand seal to seal stove; At lifting partition wall place, available refractory fiber cotton seals.
The refractory material of body of heater can select suitable refractory material according to the furnace temperature of design.
Fix at the bottom of reduction furnace.Whole reduction furnace adopts control and Non-follow control automatically to combine, and controls separately each room.
Reduction furnace of the present utility model can according to stove size and increase in demand automatic feeder and drawing mechanism.
Each room of reduction furnace of the present utility model can independently use.If desired, also can rise partition wall, use as a large Muffle furnace.
Beneficial effect
(1) reduction furnace simulation rotary hearth furnace reduction partitioning scenario of the present utility model, burner hearth is divided into multiple independently room, Discrete control can be carried out, effectively simulation rotary hearth furnace reduction system, for rotary hearth furnace suitability for industrialized production provides effective data supporting to in-furnace temperature and atmosphere;
(2) each independently room of reduction furnace is provided with independently smoke evacuation system, can analyze flue gas, understands the smoke components in each stage of material reduction, grasps the reducing degree of material in regional in stove according to smoke components.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A direction view of Fig. 1.
Detailed description of the invention
Below with reference to accompanying drawings reduction furnace of the present utility model is described in detail.
With reference to Fig. 1, the reduction furnace according to an embodiment of the present utility model comprises: electrical control cubicles 1, charging fire door 2, heating element heater 3, scalable partition wall 4, and discharging door 5.
Fig. 2 is the A direction view of Fig. 1, there is shown air inlet 6, sealing device 7, smoke evacuation system 8, and cabinet 9.
In one embodiment, according to pilot scale rotary hearth furnace partitioning scenario, devise the simulation reduction furnace that is divided into Room 4, the total effective dimensions of burner hearth is 1500 × 300 × 300mm (length×width×height), first room entered from charging aperture is preheating zone, and serviceability temperature is from room temperature to 1300 DEG C; Second room is middle warm area, and serviceability temperature is from room temperature to 1500 DEG C; 3rd room is high-temperature region, and serviceability temperature is from room temperature to 1600 DEG C; 4th room is cooling zone, and serviceability temperature is from room temperature to 1300 DEG C.Heating element heater is Si-Mo rod.To the mode that the control in four regions adopts independent automatic control and Non-follow control to combine, temperature and atmosphere can control separately.Each zone furnace temperature control precision ± 2 DEG C, controling of the pressure of the oven micro-pressure operation.Side, each region is provided with nitrogen blow valve port, and the atmosphere such as CO or N2 pass into mouth, and often kind of gas access arranges flowmeter, adjustable gas flow, controls furnace atmosphere.Adopt hand-operated lifting partition wall, the lifting of partition wall is divided into third gear, and complete shut-down, half closes and standard-sized sheet, can regulate according to the needs of test.Adopt the mode of hand feed.
Claims (7)
1. simulate a reduction furnace for rotary hearth furnace, it comprises body of heater, and described body of heater is provided with charging fire door and discharging door, it is characterized in that,
The burner hearth of described body of heater is divided into multiple room, and each room is separated by liftable partition wall, and each room is provided with air inlet, smoke evacuation system and heating element heater.
2. reduction furnace according to claim 1, is characterized in that, described heating element heater is fixed on furnace roof.
3. reduction furnace according to claim 1, is characterized in that, according to the heating element heater quantity of each room of temperature required setting.
4. the reduction furnace according to any one of claim 1-3, is characterized in that, described heating element heater is Si-Mo rod or carbon-point.
5. reduction furnace according to claim 1, is characterized in that, described reduction furnace also comprises sealing device.
6. reduction furnace according to claim 5, is characterized in that, furnace roof adopts sand seal to seal stove.
7. reduction furnace according to claim 1, is characterized in that, fixes at the bottom of described reduction furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420396688.5U CN204063937U (en) | 2014-07-17 | 2014-07-17 | The reduction furnace of simulation rotary hearth furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420396688.5U CN204063937U (en) | 2014-07-17 | 2014-07-17 | The reduction furnace of simulation rotary hearth furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204063937U true CN204063937U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420396688.5U Expired - Fee Related CN204063937U (en) | 2014-07-17 | 2014-07-17 | The reduction furnace of simulation rotary hearth furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862480A (en) * | 2015-05-15 | 2015-08-26 | 北京神雾环境能源科技集团股份有限公司 | Rotary hearth furnace and metal smelting method using rotary hearth furnace |
| CN105510168A (en) * | 2015-08-26 | 2016-04-20 | 常州大学 | Eschka sulphur meter with function of filter paper ashing |
| CN106198850A (en) * | 2016-06-24 | 2016-12-07 | 长沙开元仪器股份有限公司 | A kind of crucible blow device and combustion furnace |
-
2014
- 2014-07-17 CN CN201420396688.5U patent/CN204063937U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862480A (en) * | 2015-05-15 | 2015-08-26 | 北京神雾环境能源科技集团股份有限公司 | Rotary hearth furnace and metal smelting method using rotary hearth furnace |
| CN104862480B (en) * | 2015-05-15 | 2018-04-20 | 神雾科技集团股份有限公司 | Rotary hearth furnace and the method using the rotary hearth furnace metal smelting ore deposit |
| CN105510168A (en) * | 2015-08-26 | 2016-04-20 | 常州大学 | Eschka sulphur meter with function of filter paper ashing |
| CN106198850A (en) * | 2016-06-24 | 2016-12-07 | 长沙开元仪器股份有限公司 | A kind of crucible blow device and combustion furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Reduction furnace of simulated rotary hearth furnace Effective date of registration: 20180322 Granted publication date: 20141231 Pledgee: The Bank of Beijing Limited by Share Ltd. Anwar Road Branch Pledgor: Shenwu Technology Group Co.,Ltd. Registration number: 2018990000210 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20141231 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220921 Granted publication date: 20141231 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |