CN101210285B - Method for increasing heating speed of material in metal vacuum smelting reduction still and reduction still - Google Patents
Method for increasing heating speed of material in metal vacuum smelting reduction still and reduction still Download PDFInfo
- Publication number
- CN101210285B CN101210285B CN2006102015098A CN200610201509A CN101210285B CN 101210285 B CN101210285 B CN 101210285B CN 2006102015098 A CN2006102015098 A CN 2006102015098A CN 200610201509 A CN200610201509 A CN 200610201509A CN 101210285 B CN101210285 B CN 101210285B
- Authority
- CN
- China
- Prior art keywords
- reduction
- kettle
- radiator tube
- heat conductor
- heating speed
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a method for improving material heating speed in a reduction kettle for vacuum metal smelting, which comprises the following steps of: arranging heat conductors (1) on the wall of a reduction kettle for vacuum metal smelting or on a radiation pipe (2) penetrating in the reduction kettle, thus increasing the contact area between the radiation pipe and a reduction material in the reduction kettle, reducing the heat conduction distance between the radiation pipe and the reduction material and improving the heating speed of the reduction material. By arranging the plurality of heat conductors on the kettle wall and on the radiation pipe connected with the reduction kettle, the invention can increase the contact heat conduction area between the radiation pipe and the reduction material in the reduction kettle for vacuum metal smelting, shorten the heat conduction distance from the reduction material and improve the heating speed of the reduction material, thus improving heat utilization rate, achieving energy saving effect, reducing reduction reaction time and improving the production capacity.
Description
Technical field
The present invention relates to a kind of heat-conducting method of reduction kettle, particularly relate to a kind of method of heating speed of material in metal vacuum smelting reduction still and used reduction kettle of promoting.
Background technology
In metal vacuum smelting is produced, to produce the reduction material through the batching suppression process and send in the reduction jar and carry out reduction reaction, the general requirement reduction reaction temperature is higher than 1100 ℃, and pressure is less than 10Pa～13Pa.Radiator tube through reduction jar in the fuel Heating Reduction Furnace for Tungsten or heating reduction kettle makes the reduction material reach desired temperature value realization reduction reaction.Existing reduction jar is the cannulated structure, be placed on and heat the reduction material in the reduction furnace, heat from the outside of reduction jar to the material transmission; Thermal conductivity is low, and temperature rise is slow, and it is very long to reach the needed time of temperature of reaction; Existing reduction jar is accomplished the required time generally between 8～12 hours basically from being fed to reduction reaction, and throughput is limited, uses reduction kettle through radiator tube heating reduction material; Because charge significantly increases, the heat transfer time is also longer.
Summary of the invention
The objective of the invention is to, a kind of method of heating speed of material in metal vacuum smelting reduction still and used reduction kettle of promoting is provided.This method and the reduction kettle that is provided can improve the heat conductivility in the reduction kettle, and the reduction reaction time is shortened greatly, improve throughput.
Technical scheme of the present invention: the method that promotes heating speed of material in metal vacuum smelting reduction still; It is characterized in that: on the used reduction kettle wall of metal vacuum smelting or run through on the radiator tube (2) in the reduction kettle heat conductor (1) is set; With the contact area of radiator tube in the increase reduction kettle with the reduction material; And the heat conduction distance of reduction radiator tube and reduction material, the rate of heating of raising reduction material.
In the method for above-mentioned lifting heating speed of material in metal vacuum smelting reduction still, described radiator tube 2 can be provided with two side, parallel reduction kettle front and back, also can be horizontally disposed with.
In the method for aforesaid lifting heating speed of material in metal vacuum smelting reduction still; The set-up mode of shape, quantity and the heat conductor of said heat conductor (1) is arbitrarily; Heat conductor shape can be an orthogonal; Also can be circular or oval, or help improving conducting effect and the random shape of being convenient to make; Not influence reduction material and mobile be advisable of reducing slag in reduction kettle; The set-up mode of heat conductor can be the setting of " rice " font on radiator tube, also can the setting of " ten " font, and its arrangement mode can be arranged by ranks, also can be staggered.
In the method for aforesaid lifting heating speed of material in metal vacuum smelting reduction still, between the said heat conductor along radiator tube axial be spaced apart 5-15 centimetre; The length of heat conductor is 3-7 centimetre, and wide is 1-3 centimetre, and height is 4-7 centimetre; The internal diameter of radiator tube is 5-25 centimetre.
In the method for aforesaid lifting heating speed of material in metal vacuum smelting reduction still, said radiator tube 2 can be made with refractory metal material or the high non-metallic material of heat conductivility with heat conductor 1.
In the method for aforesaid lifting heating speed of material in metal vacuum smelting reduction still, said radiator tube and heat conductor are made with silit.
According to the used reduction kettle of the method for aforesaid lifting heating speed of material in metal vacuum smelting reduction still; Reduction kettle (3) is rectangle or round shape wedged bottom body structure; The bottom is the 30-60 degree and is obliquely installed, and the top is flat-top or ramp-roof structure, and the side kettle of reduction kettle bottom valley is provided with slag-drip opening (5); Reduction kettle top vertex is provided with charging bole (4), and the reduction kettle top lateral kettle of vertex is provided with metallic vapor vacuum pumping opening (6).
In the above-mentioned reduction kettle, the bottom of said reduction kettle and top are the 35-50 degree and are obliquely installed, or the bottom angled setting, the top, horizontal setting.The bottom is the transition face of the conical surface or arc surface.
Compared with prior art; Because the present invention adopts the reduction kettle body structure; And with radiator tube that reduction kettle is connected on many heat conductors are set; Increase the heat-conducting area that inner radiator tube of metal vacuum smelting reduction kettle and reduction material contact, the heat conduction distance of shortening and reduction material improves the rate of heating to the reduction material.HU is high, and good energy-conserving effect has reduced the reduction reaction time, has improved throughput.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is layout synoptic diagram of heat conductor on radiator tube and the radiator tube among the present invention;
Accompanying drawing 3 is reduction kettle radiator tube layout n.s in reduction kettle when being rectangular configuration;
Accompanying drawing 4 is reduction kettle radiator tube layout n.s in reduction kettle when being circular configuration;
Accompanying drawing 5 is reduction kettle structural representations in reduction furnace;
Being labeled as in the accompanying drawing: 1-heat conductor, 2-radiator tube, 3-reduction kettle, 4-charging bole, 5-slag-drip opening, 6-metallic vapor vacuum pumping opening, 7-combustion chamber.
Embodiment
Embodiment.Promote the method for heating speed of material in metal vacuum smelting reduction still; As shown in Figure 1; The reduction kettle that metal vacuum smelting is used is placed in the reduction furnace 8, is provided with by arrayed in the reduction kettle and runs through one group of radiator tube in the reduction kettle, and the two ends of radiator tube are communicated with the combustion chamber 9 in the reduction furnace.Described radiator tube 2 can vertically be provided with, and also can be horizontally disposed with.As shown in Figure 2, on radiator tube or still wall, heat conductor is set, increasing the contact area of radiator tube and reduction material in the reduction kettle, and reduce the heat conduction distance of radiator tube and reduction material, improve the rate of heating of reduction material.The set-up mode of the shape of said heat conductor 1, quantity and heat conductor is arbitrarily, and is as shown in Figure 2, and heat conductor shape can be an orthogonal, also can be circular or oval, or helps improving conducting effect and the random shape of being convenient to make; The quantity of heat conductor can as far as possible be provided with more, is advisable not influence the mobile smooth discharge with slag of reduction material in reduction kettle; The set-up mode of heat conductor can be the setting of " rice " font on radiator tube, also can the setting of " ten " font, and its arrangement mode can be arranged by ranks, also can be staggered.Between the said heat conductor along radiator tube axial be spaced apart 5-15 centimetre; The length of heat conductor is 3-7 centimetre, and wide is 1-3 centimetre, and height is 4-7 centimetre; The internal diameter of radiator tube is 5-25 centimetre.Said radiator tube 2 can be made with refractory metal material or the high non-metallic material of heat conductivility with heat conductor 1.Said radiator tube and heat conductor are made with silit.
According to the used reduction kettle of the method for aforesaid lifting heating speed of material in metal vacuum smelting reduction still; Like Fig. 3, Fig. 4, shown in Figure 5; Reduction kettle 3 is rectangle or circular wedged bottom body structure, and is the 30-60 degree and is obliquely installed, and the bottom of reduction kettle and top are the transition face of the conical surface or arc surface; The side kettle of reduction kettle bottom valley is provided with slag-drip opening 5; The kettle of reduction kettle bottom vertex and slag-drip opening opposite position is provided with auxiliary slag-drip opening 7, and reduction kettle top vertex is provided with charging bole 4, and the reduction kettle top lateral kettle of vertex is provided with metallic vapor vacuum pumping opening 6.The bottom of said reduction kettle and top preferably are the 35-50 degree and are obliquely installed, or the bottom angled setting, the top, horizontal setting.
Promote the method for heating speed of material in metal vacuum smelting reduction still; Be definite shape and distribution heat conductor to be set through the radiator tube that on the metal vacuum smelting reduction kettle body, connects; Increase the heat-conducting area that the inner radiator tube of metal vacuum smelting reduction kettle contacts with the reduction material; The heat conduction distance of shortening and reduction material improves the rate of heating to the reduction material.
Like the rectangle reduction kettle among Fig. 1, adopt refractory metal to make reduction kettle, opening for feed is connected with the top of reduction kettle; Slag notch is connected with the reduction kettle bottom; Radiator tube adopts high temperature resistant gold to make, and is distributed with the metal heat-conducting body on the radiator tube, and every radiator tube is connected with the heat conductor with rice word or cross or other distribution of shapes vertically in the position that highly differs 10 centimetres; Be cross-distribution between the neighbouring heat conductor; Make relatively the staggering of each little heat conductor to make heat conductor be evenly distributed on the inside of reduction kettle, guarantee best heat-conducting effect.Radiator tube passes reaction kettle; Be connected with top, the bottom of reduction kettle and communicate with the combustion chamber, the high temperature hot gas that fuel combustion produces adds thermal material through radiator tube, takes different shapes according to the distribution of the horizontal direction of the different radiator tubes of reduction kettle bottom and top shape; It is even to reach radiator tube and the heat conductor spatial distribution in reduction kettle; Distribute like rectangular array, concentric(al) circles distributes, the oval distribution.Radiator tube and heat conductor also can adopt silit (SiC) integral manufacturing according to the distribution situation of the radiator tube of heat conductor on radiator tube.Consider and be arranged in reduction kettle that heat conductor can be to the whereabouts of material and the influence of deslagging on the radiator tube; The size of heat conductor is 3～7 centimetres in length, and is wide 1～3 centimetre, between high 4～7 centimetres; Edges and corners adopt circular arc to seamlessly transit, and material produces particle and hinders deslagging with collision when avoiding reinforced.The interior diameter of radiator tube is according to the material diameter of reality, and heat conductor shape and distribution situation are between 5～25 centimetres.
The other forms of reduction kettle that heats with the radiator tube mode that the inventive method can be used for internal heat type improves rate of heating, as: round shape reaction kettle, ellipse; Conical reaction kettle and bottom are flat; Wedged bottom, tapered bottom is at the bottom of the circular arc and other forms of reaction kettle; Size according to the shape of concrete reaction kettle, charge, material is come the distribution of radiation pipe, chooses heat conductor shape, size and distribution.
Claims (5)
1. promote the method for heating speed of material in metal vacuum smelting reduction still; It is characterized in that: heat conductor (1) is set in used the running through on the radiator tube (2) in the reduction kettle of metal vacuum smelting; With the contact area of radiator tube in the increase reduction kettle with the reduction material; And the heat conduction distance of reduction radiator tube and reduction material, the rate of heating of raising reduction material; The two side is provided with before and after the parallel reduction kettle of described radiator tube (2), or is horizontally disposed with; The set-up mode of heat conductor is the setting of " rice " font on radiator tube, or the setting of " ten " font, and its arrangement mode is pressed ranks and arranged, or is staggered; Between the said heat conductor along radiator tube axial be spaced apart 5-15 centimetre; The length of heat conductor is 3-7 centimetre, and wide is 1-3 centimetre, and height is 4-7 centimetre; The internal diameter of radiator tube is 5-25 centimetre.
2. the method for lifting heating speed of material in metal vacuum smelting reduction still according to claim 1 is characterized in that: said radiator tube and heat conductor are made with refractory metal material or the high non-metallic material of heat conductivility.
3. the method for lifting heating speed of material in metal vacuum smelting reduction still according to claim 2 is characterized in that: said radiator tube and heat conductor are made with silit.
4. according to the used reduction kettle of method of claim 1,2 or 3 described lifting heating speed of material in metal vacuum smelting reduction still; It is characterized in that: reduction kettle (3) is rectangle or round shape wedged bottom body structure; The bottom is the 30-60 degree and is obliquely installed; The top is flat-top or ramp-roof structure; The side kettle of reduction kettle bottom valley is provided with slag-drip opening (5), and reduction kettle top vertex is provided with charging bole (4), and the reduction kettle top lateral kettle of vertex is provided with metallic vapor vacuum pumping opening (6).
5. reduction kettle according to claim 4 is characterized in that: the bottom of said reduction kettle and top are the 35-50 degree and are obliquely installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006102015098A CN101210285B (en) | 2006-12-31 | 2006-12-31 | Method for increasing heating speed of material in metal vacuum smelting reduction still and reduction still |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006102015098A CN101210285B (en) | 2006-12-31 | 2006-12-31 | Method for increasing heating speed of material in metal vacuum smelting reduction still and reduction still |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101210285A CN101210285A (en) | 2008-07-02 |
| CN101210285B true CN101210285B (en) | 2012-07-18 |
Family
ID=39610539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006102015098A Expired - Fee Related CN101210285B (en) | 2006-12-31 | 2006-12-31 | Method for increasing heating speed of material in metal vacuum smelting reduction still and reduction still |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101210285B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238928B (en) * | 2015-11-18 | 2017-05-24 | 东北大学 | Internal-heating light metal extracting device with automatic material lifting function and internal-heating light metal extracting method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2443004Y (en) * | 2000-09-30 | 2001-08-15 | 于洪喜 | Internal heating magnesium smelting furnace |
| US6364658B1 (en) * | 2001-03-12 | 2002-04-02 | Ram Ganeshan | Partially studded radiant tubes |
| CN1704489A (en) * | 2004-05-31 | 2005-12-07 | 刘伟杰 | Pijiang metal refining method and device |
| CN201032362Y (en) * | 2007-03-20 | 2008-03-05 | 贵州世纪天元矿业有限公司 | Reduction kettle capable of improving reduction material heating rate |
-
2006
- 2006-12-31 CN CN2006102015098A patent/CN101210285B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2443004Y (en) * | 2000-09-30 | 2001-08-15 | 于洪喜 | Internal heating magnesium smelting furnace |
| US6364658B1 (en) * | 2001-03-12 | 2002-04-02 | Ram Ganeshan | Partially studded radiant tubes |
| CN1704489A (en) * | 2004-05-31 | 2005-12-07 | 刘伟杰 | Pijiang metal refining method and device |
| CN201032362Y (en) * | 2007-03-20 | 2008-03-05 | 贵州世纪天元矿业有限公司 | Reduction kettle capable of improving reduction material heating rate |
Non-Patent Citations (1)
| Title |
|---|
| JP昭62-139836A 1987.06.23 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101210285A (en) | 2008-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101857383B (en) | Beam limekiln | |
| CN102249241A (en) | Polycrystalline silicon reduction furnace | |
| CN104190327A (en) | Novel formaldehyde oxidation reaction device | |
| CN101210285B (en) | Method for increasing heating speed of material in metal vacuum smelting reduction still and reduction still | |
| CN102530923A (en) | High-temperature electric calcining system and method of carbon raw material | |
| CN101619012A (en) | One-way radiating furnace tube ethane cracking furnace | |
| CN201032362Y (en) | Reduction kettle capable of improving reduction material heating rate | |
| CN103194273B (en) | Two-stage coal gas generating device | |
| CN102605196B (en) | Magnesium smelting device using vertical tank | |
| CN101982524B (en) | Delayed coking furnace | |
| CN109373757B (en) | Cylindrical tube type heating furnace | |
| CN100338182C (en) | Cracking furnace of boiler tube with one-way reducing diameter | |
| CN202350534U (en) | Heating element and testing smelting furnace adopting same | |
| CN201890866U (en) | Step-type double-side radiation delayed coking furnace | |
| CN101210283A (en) | Vacuum metal smelting heat accumulation reducing furnace system | |
| CN202254761U (en) | Bidirectional-flow gas radiation heating kiln | |
| CN203432279U (en) | Electric arc furnace cover with cooling system | |
| CN201762236U (en) | Heating furnace for glass tempering | |
| CN101520096A (en) | High temperature valve | |
| CN216716991U (en) | Novel propane dehydrogenation heating furnace | |
| CN211084825U (en) | High-efficiency radiation chamber with corrugated wall with top row of tubes | |
| CN201136889Y (en) | Reduction kettle with the bottom of the kettle declining | |
| CN202747632U (en) | Internal heat transferring structure of coal-fired molten salt furnace | |
| CN203109232U (en) | Continuous type multi-tube furnace for pre-sintering molypiece | |
| CN107805517A (en) | A kind of radiant tube of no heat carrier rapid pyrolysis stove |
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: 20120718 Termination date: 20141231 |
|
| EXPY | Termination of patent right or utility model |