CN201740379U - High-temperature reducing furnace - Google Patents
High-temperature reducing furnace Download PDFInfo
- Publication number
- CN201740379U CN201740379U CN2010202124152U CN201020212415U CN201740379U CN 201740379 U CN201740379 U CN 201740379U CN 2010202124152 U CN2010202124152 U CN 2010202124152U CN 201020212415 U CN201020212415 U CN 201020212415U CN 201740379 U CN201740379 U CN 201740379U
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- boiler tube
- high temperature
- heater
- temperature reduction
- reduction stove
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Abstract
The utility model relates to a high-temperature reducing furnace, specifically to a four-tube high-temperature reducing furnace, comprising a furnace body, a feeding device and a discharging device respectively arranged on both ends of the furnace body, wherein a furnace tube is arranged in the furnace body; and the furnace tube is a seamless tube. The high-temperature reducing furnace is high in working temperature and long in service life; furthermore, the high-temperature reducing furnace is hard to deform and crack.
Description
Technical field
The utility model relates to a kind of high temperature reduction stove, relates in particular to a kind of high temperature reduction stove with seamless boiler tube.
Background technology
The high temperature reduction stove is the common reduction apparatus of field of powder metallurgy, is used under the condition of high temperature oxide being reduced.Four pipe reduction furnaces have been widely used in the field of powder metallurgy as a kind of common reduction furnace, be mainly used under the control of temperature in uniform temperature, time, stove, metal oxides such as tungsten oxide, molybdenum oxide are reduced into metal dusts such as tungsten powder, molybdenum powder with hydrogen as reducing gas, it is big that four pipe reduction furnaces have output, system tungsten, molybdenum epigranular are saved hydrogen and low power consumption and other advantages.
The boiler tube of existing high temperature reduction stove is mostly by welding fabrication, be after every boiler tube bends via a rectangular metal plate, connect by welding manner in splicing place, be formed with the reaction compartment of rectangle in the boiler tube after the welding, and be provided with the material boat, this material boat is longitudinal, is used to the metal oxide to be restored of packing into, and can be pushed into the reaction compartment of described boiler tube inside from the feeding end of boiler tube.Because every boiler tube itself has weight, add material boat and the material boat institute storage material put in the boiler tube, make that the gross weight of boiler tube is very big, at high temperature, make the intensity of boiler tube weaken easily, add frequent intensification cooling, boiler tube expands with heat and contract with cold repeatedly, make boiler tube occur bending and deformation easily or produce cracking, service life of not only having reduced boiler tube like this, increase the loss that stop production to overhaul brought, but also greatly influenced the also proper mass and the reduction effect of the oxide powder in the boiler tube.
The utility model content
At the deficiencies in the prior art, the technical problem that the utility model solves provides a kind of high temperature reduction stove, and it can effectively improve the service life of boiler tube.
For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that
A kind of high temperature reduction stove, comprise body of heater and be located at the feed arrangement and the drawing mechanism at body of heater two ends respectively, described body of heater comprises heat-insulation layer and is located at some longitudinal boiler tubes of heat-insulation layer inboard, and described boiler tube is seamless boiler tube, and described feed arrangement comprises the material boat by electrical control.
Further, described feed arrangement also comprises pusher cylinder and feeding rack, and described feeding rack is used to place described material boat between described pusher cylinder and described boiler tube.
Further, be provided with three row's heating bars in the described body of heater, described heating bar comprises the resistance wire insulation protective jacket and is positioned at the resistance wire of described resistance wire insulation protective jacket that described boiler tube is between described adjacent two row's heating bars.
Described heating bar is perpendicular to described boiler tube, and the two ends of heating bar are connected on the two side of described body of heater.
Further, described heat-insulation layer comprises three layers of cryosphere, middle temperature layer and heat zones.
Further, described body of heater further comprises and is provided with a brick of putting that is positioned at described heating bar below.
Further, described body of heater further is provided with the upright brick of wall under the stove that is positioned at described boiler tube below, and the upright brick of wall is a mullite brick under the described stove.
Compared with prior art, high temperature reduction stove of the present utility model is provided with some seamless boiler tubes, makes that boiler tube can be more high temperature resistant at work, and is not easy distortion and cracking.
Description of drawings
Figure 1 shows that the schematic perspective view of the body of heater of the utility model high temperature reduction stove;
Figure 2 shows that the right view of the utility model high temperature reduction stove, and demonstrated the partial interior structure of body of heater;
Figure 3 shows that the schematic diagram of the utility model high temperature reduction stove boiler tube.
The specific embodiment
As shown in Figure 1 to Figure 3, the utility model provides a kind of high temperature reduction stove, and it comprises body of heater 1, is positioned at body of heater two ends and feed arrangement 9 that links to each other with body of heater 1 and drawing mechanism 10.
Be provided with some boiler tubes 2 that are longitudinal in the described body of heater 1, support putting a brick, be located at the heating bar 3 of boiler tube both sides and be located at the heat-preservation cotton 7 at boiler tube 2 tops of boiler tube 2.As depicted in figs. 1 and 2, described heating bar 3 in the vertical directions are three arranges, and heating bar 3 comprises the resistance wire insulation protective jacket and be located at the resistance wire that is used for the high temperature heating in the resistance wire insulation protective jacket that the resistance wire insulation protective jacket shields to resistance wire.Heating bar 3 vertical boiler tubes 2 are provided with and two ends are connected to respectively on body of heater 1 two side, and boiler tube 2 is arranged between adjacent two row's heating bars 3, makes the upper and lower both sides of boiler tube 2 can evenly be subjected to the high temperature heating of resistance wire.
A described brick of putting comprises upper, middle and lower-ranking, it comprise be located at respectively every row generate heat bar 3 the below in order to support described heating bar 3 on put a brick 4, in put a brick 5 and under put a brick 6, a described brick of putting can evenly distribute the heat that resistance wire produced to boiler tube 2, simultaneously, put in a brick 5 and under put 6 pairs of boiler tubes 2 of a brick and play a supporting role.
Described heat-preservation cotton 7 is located at the roof and the side-walls of described body of heater 1 inside and is comprised three layers that are provided with from outside to inside, play the insulation effect of cryosphere, middle temperature layer and heat zone respectively, three layers of heat-preservation cotton 7 are superimposed, and make furnace chamber temperature even, have effectively controlled scattering and disappearing of heat.Bottom in body of heater 1 is provided with the upright brick 8 of wall under the stove that is incubated usefulness, and the upright brick 8 of wall adopts mullite (half silicon) bricks under the described stove.
Be illustrated in figure 2 as the right view of the utility model high temperature reduction stove, body of heater 1 one ends are connected with feed arrangement 9 by the boiler tube connector, and body of heater 1 other end is connected with drawing mechanism 10 by the boiler tube connector.The below of feed arrangement 9 and drawing mechanism 10 is provided with the boiler tube rolling pedestal 11 of supporting role.Feed arrangement 9 comprises pusher cylinder 12, feeding rack 13 and is located on the feeding rack 13 and by the material boat of electrical control, correspondence is overlapped with feed end fire door 14 on the right side of feeding rack 13, feed end fire door 14 is provided with sealing mechanism, and described material boat can enter in the boiler tube 2 by feed end fire door 14; Drawing mechanism 10 comprises discharge end fire door 15 and unloading rack 16, and reduzate can enter unloading rack 16 by discharge end fire door 15.
In the charging course of work, compressed air is pressed into pusher cylinder 12, the headstock gear of feed end fire door 14 is started working, be connected in the stingy cylinder 17 of fire door on the feed end fire door 14 by startup, make feed end fire door 14 begin turning and enter open mode, at this moment, pusher cylinder 12 advances the material boat that fills the reduction material on the feeding rack 13 in the boiler tube 2, after pusher finishes, pusher cylinder 12 retractions, the stingy cylinder of fire door 17 starts, and makes feed end fire door 14 closures, guarantees that hydrogen abundant and material boiler tube 2 in reacts.After reaction finished, discharge end fire door 15 was opened, and reduzate enters unloading rack 16.The implementation process of described charging and discharging realizes by electrical control, has realized the automation of the course of work.
Figure 3 shows that the schematic diagram of the utility model high temperature reduction stove boiler tube, preferably, boiler tube 2 is set to two rows in the utility model, 2 of every rows, the boiler tube of four rectangles altogether.As improvement, the seamless boiler tube that the boiler tube that high temperature reduction stove described in the utility model is adopted is formed in one, so, not only make increase greatly the service life of boiler tube, also improved the also proper mass of reduction reaction in the boiler tube, simultaneously, seamless boiler tube can carry out work under higher temperature, normal operating temperature can reach 1150 ℃, and maximum operating temperature can reach 1250 ℃, be much higher than the operating temperature that boiler tube of the prior art can bear, and seamless boiler tube of the present utility model is not easy to produce distortion and cracking, working life also is greatly improved.
Above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the spirit and scope of technical solutions of the utility model.
Claims (7)
1. high temperature reduction stove, comprise body of heater and be located at the feed arrangement and the drawing mechanism at body of heater two ends respectively, it is characterized in that: described body of heater comprises heat-insulation layer and is located at some longitudinal boiler tubes of heat-insulation layer inboard, described boiler tube is seamless boiler tube, and described feed arrangement comprises the material boat by electrical control.
2. high temperature reduction stove according to claim 1 is characterized in that: described feed arrangement also comprises pusher cylinder and feeding rack, and described feeding rack is used to place described material boat between described pusher cylinder and described boiler tube.
3. high temperature reduction stove according to claim 1; it is characterized in that: be provided with three row's heating bars in the described body of heater; described heating bar comprises the resistance wire insulation protective jacket and is positioned at the resistance wire of described resistance wire insulation protective jacket that described boiler tube is between described adjacent two row's heating bars.
4. high temperature reduction stove according to claim 3 is characterized in that: described heating bar is perpendicular to described boiler tube, and the two ends of heating bar are connected on the two side of described body of heater.
5. high temperature reduction stove according to claim 1 is characterized in that: described heat-insulation layer comprises three layers of cryosphere, middle temperature layer and heat zones.
6. high temperature reduction stove according to claim 3 is characterized in that: described body of heater further comprises and is provided with a brick of putting that is positioned at described heating bar below.
7. high temperature reduction stove according to claim 1 is characterized in that: described body of heater further is provided with the upright brick of wall under the stove that is positioned at described boiler tube below, and the upright brick of wall is a mullite brick under the described stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202124152U CN201740379U (en) | 2010-06-02 | 2010-06-02 | High-temperature reducing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202124152U CN201740379U (en) | 2010-06-02 | 2010-06-02 | High-temperature reducing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201740379U true CN201740379U (en) | 2011-02-09 |
Family
ID=43555654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202124152U Expired - Fee Related CN201740379U (en) | 2010-06-02 | 2010-06-02 | High-temperature reducing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201740379U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567357A (en) * | 2015-01-20 | 2015-04-29 | 苏州市苏丰机械制造有限公司 | Equipment for continuously producing scheelite ore concentrate with microwave method |
| CN106186069A (en) * | 2016-08-22 | 2016-12-07 | 金堆城钼业股份有限公司 | A kind of eliminate molybdenum dioxide drip material method |
| CN107267756A (en) * | 2016-04-07 | 2017-10-20 | 方思傑 | A kind of brand-new horizontal automatic electric hot type retort |
-
2010
- 2010-06-02 CN CN2010202124152U patent/CN201740379U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567357A (en) * | 2015-01-20 | 2015-04-29 | 苏州市苏丰机械制造有限公司 | Equipment for continuously producing scheelite ore concentrate with microwave method |
| CN104567357B (en) * | 2015-01-20 | 2017-04-26 | 苏州苏丰机械科技有限公司 | Equipment for continuously producing scheelite ore concentrate with microwave method |
| CN107267756A (en) * | 2016-04-07 | 2017-10-20 | 方思傑 | A kind of brand-new horizontal automatic electric hot type retort |
| CN107267756B (en) * | 2016-04-07 | 2018-11-13 | 方思傑 | A kind of horizontal automatic electric hot type retort |
| CN106186069A (en) * | 2016-08-22 | 2016-12-07 | 金堆城钼业股份有限公司 | A kind of eliminate molybdenum dioxide drip material method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110209 Termination date: 20120602 |