CN103743241B - Novel high-temperature and high-pressure electric heating furnace - Google Patents
Novel high-temperature and high-pressure electric heating furnace Download PDFInfo
- Publication number
- CN103743241B CN103743241B CN201410020404.7A CN201410020404A CN103743241B CN 103743241 B CN103743241 B CN 103743241B CN 201410020404 A CN201410020404 A CN 201410020404A CN 103743241 B CN103743241 B CN 103743241B
- Authority
- CN
- China
- Prior art keywords
- reaction tube
- electric heating
- tube
- pottery
- heating furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Furnace Details (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
A novel high-temperature and high-pressure electric heating furnace comprises a discharging tube, a reaction gas feeding tube, connectors, an Al2O3 ceramic reaction tube, a shell, a furnace lining gas feeding tube, silicon and molybdenum rods, aluminum silicate fiber heat-insulation cotton, a slagging tube and the like, wherein the upper end of the Al2O3 ceramic reaction tube is respectively connected with the discharging tube and the reaction gas feeding tube through the connectors, and connection positions are sealed by using graphite packing; the lower end of the Al2O3 ceramic reaction tube is connected with the slagging tube through a pipe, and a connection position is sealed by using high-temperature glue; the silicon and molybdenum rods are hung perpendicularly and are uniformly arranged around the Al2O3 ceramic reaction tube; a heat-insulation material is filled between the shell and an electric heating element; and inert gas with certain pressure is fed between the shell and the electric heating element. The Al2O3 ceramic reaction tube and the shell can bear the temperature of 1500 DEG C and the pressure of 1.5MPa, so that the novel high-temperature and high-pressure electric heating furnace is applicable to pilot-scale study on pyrolysis, gasification and combustion of solid carbonic fuels under the conditions of high temperature and high pressure, and has the advantages of quick temperature rising and stable pressurization.
Description
Technical field
The present invention relates to a kind of HTHP electric furnace, be particularly useful for solid carbonaceous fuels gasification, pyrogenation and combustion pilot scale research under high pressure-temperature condition, belong to recovery energy field.
Background technology
HTHP electric furnace not only has the feature that furnace temperature is even, heat and mass is fast, and the operating pressure improving heating furnace can make facility compact, reduce compression energy consumption and oxygen consumption.Temperature and pressure is the key parameter affecting chemical reaction rate, such as pyrolysis of coal process, and along with pressure raises, the production rate of gaseous state and solid product increases and the production rate of liquid product declines; Along with temperature raises, gaseous state productive rate substantially linearly increases, and liquid productive rate increases to some extent; In addition furnace temperature improves the problem that can also solve easily coking and slagging in stove.
For middle-size and small-size experimental rig, because inlet amount is few, be difficult to during test meet heat self-balancing, therefore need electrical heating just can reach hot conditions needed for reaction.Can pressure-bearing when common stainless steel tube uses continuously at 800 ~ 1150 DEG C on the market, but when more than 1200 DEG C, compactedization phenomenon can be there is, can not pressure-bearing.If therefore employing stainless steel tube is as reaction tube, directly heats stainless steel tube by electrical heating, can only carry out synthesis under normal pressure, can not carry out compressive reaction in pipe.In view of the foregoing, traditional heating furnace device limits because of material, often be difficult to meet high pressure and high temperature two kinds of conditions, being also difficult on the market to find can the HTHP electric furnace of successive reaction, and the HTHP electric furnace therefore mentioned by the present invention has realistic meaning simultaneously.
Summary of the invention
Goal of the invention: for above-mentioned prior art, provides a kind of structure simple, easy to operate, and can realize can the HTHP electric furnace of continued operation, can meet 1500 DEG C, the experimental condition of 1.5MPa.
Technical scheme: a kind of Novel high-temperature high-pressure electric heating furnace device, comprises tremie pipe, reaction air inlet pipe, upper water collar, some Si-Mo rods, Al
2o
3pottery reaction tube, housing, lower water collar, scum pipe, heat-barrier material; Wherein, described Al
2o
3pottery reaction tube is vertically set on enclosure interior, and described upper water collar and lower water collar are separately positioned on Al
2o
3the end positions of pottery reaction tube, Al
2o
3pottery reaction tube top connects tremie pipe and reaction air inlet pipe, Al
2o
3pottery reaction tube bottom connects scum pipe, and described Si-Mo rod is arranged on Al
2o
3the surrounding of pottery reaction tube, Si-Mo rod and Al
2o
3high-temperature insulation support is provided with between pottery reaction tube; Described heat-barrier material is filled in enclosure interior.
As preferred version of the present invention, described Al
2o
3the top of pottery reaction tube is connected with described tremie pipe and described reaction air inlet pipe respectively by coupling, and one end of described coupling is socketed in Al
2o
3pottery reaction tube is outside, and one end of described tremie pipe is passed coupling and stretches into Al
2o
3pottery reaction tube, described reaction air inlet pipe is arranged on the side of coupling.
As improvement of the present invention, described coupling is by bump joint and Al
2o
3pottery reaction tube is fixedly connected with, and adopts graphite packing_seal.
Improve further as the present invention, described heat-barrier material is double-layer structure, and skin arranges alumina silicate fibre, arranges containing zirconium type 1400 ceramic fibre between described Si-Mo rod and alumina silicate fibre.
As the present invention to further improvement, also comprise the furnace lining air inlet pipe being communicated with enclosure interior, in described furnace lining air inlet pipe, be connected with inert gas.
Improve further as the present invention, described Si-Mo rod is the six roots of sensation, and adopt vertical hanging mode to be evenly arranged, folded by adjacent two Si-Mo rods, central angle is 60 °.
Further improve as the present invention, the adjacent upper water collar of described Si-Mo rod cold junction.
Improve further again as the present invention, described Al
2o
3high-temp glue is adopted to seal between pottery reaction tube and described lower water collar.
Beneficial effect: in (1) HTHP electric furnace of the present invention, Al
2o
3pottery reaction tube can bear 1500 DEG C of high temperature, and electrical heating elements adopts Si-Mo rod, and Si-Mo rod maximum heating temperature can reach 1500 DEG C; Between housing and electrical heating elements, skin is alumina silicate fibre, internal layer adopts containing zirconium type 1400 ceramic fibre, and pass into the inert gas of certain pressure, lower heat conductivility can guarantee that skin temperature is lower than 40 DEG C, far below carbon steel creep temperature, thus the high temperature and high pressure environment of continous-stable can be provided.(2) Al
2o
3pottery reaction tube two ends be equipped with water collar, upper water collar can ensure that fuel is before entering the effective bringing-up section of Si-Mo rod, temperature lower than 50 DEG C, not with reaction gas generation chemical reaction, in order to avoid block at blanking process; The flue-gas temperature produced after fuel reaction is reduced to stainless steel tube creep temperature less than 1200 DEG C by lower water collar, is convenient to follow-up connection scum pipe.(3) because of Al
2o
3phenomenon of expanding with heat and contract with cold is there is, in order to prevent Al in pottery reaction tube and housing in electric furnace running
2o
3in pottery reaction tube, reaction gas crossfire is in housing, described Al
2o
3pottery reaction tube and upper end water-cooled section adopt presses graphite packing mode to solve sealing, described Al
2o
3pottery reaction tube and lower end water-cooled section adopt high-temp glue to seal.
Accompanying drawing explanation
What accompanying drawing 1 showed is body of heater profile in the present invention;
What accompanying drawing 2 showed is body of heater sectional view in the present invention;
What accompanying drawing 3 showed is top seal enlarged drawing in the present invention;
What accompanying drawing 4 showed is lower seal enlarged drawing in the present invention;
Have as shown in the figure: tremie pipe 1; Coupling 2; Reaction air inlet pipe 3; Upper water collar 4; Cooling water inlet pipe 5; Cooling water outlet pipe 6; Si-Mo rod 7; Al
2o
3pottery reaction tube 8; Furnace lining air inlet pipe 9; Housing 10; Lower water collar 11; Cooling water inlet pipe 12; Cooling water outlet pipe 13; Scum pipe 14; Alumina silicate fibre 15; Containing zirconium type 1400 ceramic fibre 16; Graphite packing 17; Pad 18; High-temp glue 19.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, a kind of Novel high-temperature high-pressure electric heating furnace device, comprises tremie pipe 1, coupling 2, reaction air inlet pipe 3, upper water collar 4, upper cooling water inlet pipe 5, upper cooling water outlet pipe 6, some Si-Mo rods 7, Al
2o
3pottery reaction tube 8, furnace lining air inlet pipe 9, housing 10, lower water collar 11, lower cooling water inlet pipe 12, lower cooling water outlet pipe 13, scum pipe 14, alumina silicate fibre 15, containing zirconium type 1400 ceramic fibre 16.As shown in Figure 2, its middle shell 10 is the column structure of carbon steel material, Al
2o
3it is inner that pottery reaction tube 8 is vertically set on housing 10, and Si-Mo rod 7 is the six roots of sensation, adopts vertical hanging mode to be evenly arranged in Al
2o
3the surrounding of pottery reaction tube 8, folded by adjacent two Si-Mo rods, central angle is 60 °, Si-Mo rod 7 and Al
2o
3be provided with high-temperature insulation support between pottery reaction tube 8, such structure guarantees Al
2o
3pottery reaction tube can be heated evenly.At the inner filling with insulation material of housing 10, this heat-barrier material is double-layer structure, and skin arranges alumina silicate fibre 15, arranges containing zirconium type 1400 ceramic fibre 16 between Si-Mo rod 7 and alumina silicate fibre 15.Be provided with furnace lining air inlet pipe 9 at housing 10, in housing 10, pass into certain pressure inert gas by furnace lining air inlet pipe 9.
As shown in Figure 3, upper water collar 4 and lower water collar 11 are separately positioned on Al
2o
3the end positions of pottery reaction tube 8.Wherein, Al
2o
3the top of pottery reaction tube 8 by coupling 2 respectively with tremie pipe 1 with react air inlet pipe 3 and be connected.Coupling 2 is socketed in Al
2o
3pottery reaction tube 8 is outside, and and Al
2o
3pottery reaction tube 8 is fixedly connected with by bump joint; Coupling 2 and Al
2o
3adopt graphite packing 17 to seal between pottery reaction tube 8, graphite packing 17 bottom is provided with support pad 18, prevents it from dropping.。One end of tremie pipe 1 is passed coupling 2 and stretches into Al
2o
3pottery reaction tube 8, tremie pipe 1 stretches into Al
2o
3the part of pottery reaction tube 8 and Al
2o
3space is left between pottery reaction tube 8 tube wall.Reaction air inlet pipe 3 is arranged on the side of coupling 2.
Upper water collar 4 is the column structure be welded by inner core, urceolus, upper head plate, bottom plate, upper cooling water inlet pipe 5, upper cooling water outlet pipe 6.Inner core parcel Al
2o
3pottery reaction tube 8, outer barrel diameter is consistent with housing 10 diameter, and bottom plate is fixedly connected with housing 10.In order to control described Si-Mo rod 7 cold junction temperature, the bottom plate of the adjacent upper water collar 4 of Si-Mo rod 7 cold junction, guarantees that Si-Mo rod 7 wiring cold junction is no more than 200 DEG C.
HTHP electric furnace in the present invention is applicable to the pyrolysis of solid carbonaceous fuels, gasification and combustion pilots research, and the reacting gas that carbonic solid fuels and reaction air inlet pipe 3 input is at Al
2o
3hybrid Heating in pottery reaction tube 8, under HTHP effect, carry out the correlated responses such as the pyrolysis of material, gasification and burning, product discharges fuel and reacting gas by scum pipe 14.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a HTHP electric heating furnace device, is characterized in that: comprise tremie pipe (1), reaction air inlet pipe (3), upper water collar (4), some Si-Mo rods (7), Al
2o
3pottery reaction tube (8), housing (10), lower water collar (11), scum pipe (14), heat-barrier material; Wherein, described Al
2o
3it is inner that pottery reaction tube (8) is vertically set on housing (10), and described upper water collar (4) and lower water collar (11) are separately positioned on Al
2o
3the end positions of pottery reaction tube (8), Al
2o
3pottery reaction tube (8) top connects tremie pipe (1) and reaction air inlet pipe (3), Al
2o
3pottery reaction tube (8) bottom connects scum pipe (14), and described Si-Mo rod (7) is arranged on Al
2o
3the surrounding of pottery reaction tube (8), Si-Mo rod (7) and Al
2o
3high-temperature insulation support is provided with between pottery reaction tube (8); It is inner that described heat-barrier material is filled in housing (10).
2. a kind of HTHP electric heating furnace device according to claim 1, is characterized in that: described Al
2o
3the top of pottery reaction tube (8) is connected with described tremie pipe (1) and described reaction air inlet pipe (3) respectively by coupling (2), and one end of described coupling (2) is socketed in Al
2o
3pottery reaction tube (8) is outside, and one end of described tremie pipe (1) is passed coupling (2) and stretches into Al
2o
3pottery reaction tube (8), described reaction air inlet pipe (3) is arranged on the side of coupling (2).
3. a kind of HTHP electric heating furnace device according to claim 2, is characterized in that: described coupling (2) is by bump joint and Al
2o
3pottery reaction tube (8) is fixedly connected with, and adopts graphite packing (17) to seal.
4. a kind of HTHP electric heating furnace device according to claim 1, it is characterized in that: described heat-barrier material is double-layer structure, skin arranges alumina silicate fibre (15), arranges containing zirconium type 1400 ceramic fibre (16) between described Si-Mo rod (7) and alumina silicate fibre (15).
5. a kind of HTHP electric heating furnace device according to claim 1, is characterized in that: also comprise and be communicated with the inner furnace lining air inlet pipe (9) of housing (10), be connected with inert gas in described furnace lining air inlet pipe (9).
6. a kind of HTHP electric heating furnace device according to claim 1, is characterized in that: described Si-Mo rod (7) is the six roots of sensation, and adopt vertical hanging mode to be evenly arranged, folded by adjacent two Si-Mo rods, central angle is 60 °.
7. a kind of HTHP electric heating furnace device according to claim 1, is characterized in that: the adjacent upper water collar (4) of described Si-Mo rod (7) cold junction.
8. a kind of HTHP electric heating furnace device according to claim 1, is characterized in that: described Al
2o
3high-temp glue (19) is adopted to seal between pottery reaction tube (8) and described lower water collar (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410020404.7A CN103743241B (en) | 2014-01-16 | 2014-01-16 | Novel high-temperature and high-pressure electric heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410020404.7A CN103743241B (en) | 2014-01-16 | 2014-01-16 | Novel high-temperature and high-pressure electric heating furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103743241A CN103743241A (en) | 2014-04-23 |
| CN103743241B true CN103743241B (en) | 2015-04-01 |
Family
ID=50500285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410020404.7A Expired - Fee Related CN103743241B (en) | 2014-01-16 | 2014-01-16 | Novel high-temperature and high-pressure electric heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103743241B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896928B (en) * | 2015-06-17 | 2016-10-05 | 河南屹力新能源科技有限公司 | A kind of air pressure, temperature controlled high temperature sintering furnace |
| CN112391682A (en) * | 2020-11-12 | 2021-02-23 | 湖北鼎晖耐火材料有限公司 | Pressure cooker for polycrystalline mullite fiber spinning |
| CN114636313B (en) * | 2022-02-23 | 2024-04-12 | 大连海事大学 | Heating and heat-preserving equipment for high-temperature pulsating heat pipe and design method thereof |
| CN115149030B (en) * | 2022-08-09 | 2023-05-02 | 广东佛燃科技有限公司 | Gas electric heating device for solid oxide electric pile test |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033108U (en) * | 1988-03-02 | 1989-02-22 | 北京钢铁学院 | High temperature and high-pressure moly filament furnace |
| CN2630773Y (en) * | 2003-07-04 | 2004-08-04 | 河北工业大学 | Melting furnace for melt physical property testing |
| CN201583125U (en) * | 2009-12-22 | 2010-09-15 | 山东宇佳新材料有限公司 | High-temperature pressure nitriding furnace |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59206490A (en) * | 1983-05-11 | 1984-11-22 | Hitachi Ltd | Apparatus for drawing out coal ash slag |
-
2014
- 2014-01-16 CN CN201410020404.7A patent/CN103743241B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033108U (en) * | 1988-03-02 | 1989-02-22 | 北京钢铁学院 | High temperature and high-pressure moly filament furnace |
| CN2630773Y (en) * | 2003-07-04 | 2004-08-04 | 河北工业大学 | Melting furnace for melt physical property testing |
| CN201583125U (en) * | 2009-12-22 | 2010-09-15 | 山东宇佳新材料有限公司 | High-temperature pressure nitriding furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103743241A (en) | 2014-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103743241B (en) | Novel high-temperature and high-pressure electric heating furnace | |
| CN105154118A (en) | Rotary indirect heating type low-rank coal modification and quality improvement equipment | |
| CN102766475A (en) | Method and system for performing drying and dry distillation on fluidized bed pulverized coal based on overheating steam medium | |
| CN101537327B (en) | Fixed bed reactor | |
| CN205244716U (en) | Heat -resisting type non -metallic expansion joint | |
| CN205323269U (en) | Distil in succession reinforced structure of device of anhydrous aluminium trichloride boiling formula | |
| CN206046005U (en) | A kind of use for laboratory quartz material cracking reaction device | |
| CN102188936A (en) | Fixed bed reactor | |
| CN201636848U (en) | Gas conversion stove | |
| CN207581737U (en) | A kind of biomass microwave pyrolysis installation | |
| US11326773B2 (en) | Waste heat recovery boiler in producing glass beads | |
| CN202369540U (en) | Pre-heated coal feeding device of coal pyrolysis furnace | |
| CN209178323U (en) | Short course distillation device is used in a kind of processing of waste mineral oil | |
| CN205346852U (en) | Anhydrous aluminium trichloride boiling formula device that distils in succession | |
| CN101723416A (en) | Pyrolysis reactor for preparing high-purity inorganic oxide | |
| CN109705919A (en) | Gasification furnace waste heat recycles Fei Guo mechanism | |
| CN203756149U (en) | Heavy oil thermal recovery underground simulation experimental device | |
| CN204350333U (en) | Organic working medium high-temperature and pressure pipeline formula electric heater | |
| CN204447966U (en) | Calandria type fixed bed reactor | |
| CN102911712B (en) | Method for settling fluid catalytic cracking slurry by utilizing graphite radiation | |
| CN203196610U (en) | Rosin supply system | |
| CN209370836U (en) | A kind of liquefied natural gas sampling anti-explosion heating gasification installation | |
| CN206291497U (en) | A kind of natural gas explosion-proof heating device | |
| CN209166106U (en) | A kind of yellow phosphorus electric furnace slag iron mouth door structure | |
| CN102330859A (en) | High temperature steam sleeve compensator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20200116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |