CN103375984A - Muffle furnace special for tungsten-molybdenum alloy - Google Patents
Muffle furnace special for tungsten-molybdenum alloy Download PDFInfo
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- CN103375984A CN103375984A CN2012101086481A CN201210108648A CN103375984A CN 103375984 A CN103375984 A CN 103375984A CN 2012101086481 A CN2012101086481 A CN 2012101086481A CN 201210108648 A CN201210108648 A CN 201210108648A CN 103375984 A CN103375984 A CN 103375984A
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Abstract
The invention relates to a muffle furnace special for tungsten-molybdenum alloy. The muffle furnace comprises a support, a furnace body and a control device. One end of the furnace body is provided with a feed mechanism. The other end of the furnace body is provided with a discharge mechanism. The furnace body comprises a housing, an insulating layer and a hearth. A heating pipe and longitudinally and continuously arranged carrier molybdenum boats are disposed in the hearth. The feed mechanism comprises a furnace door and a propulsion mechanism. The propulsion mechanism comprises a motor, a reducer and a worm-gear device. The discharge mechanism comprises a discharge passage, a water cooler and a discharge door. Both the furnace door and the discharge door are 45 degrees angled to the horizontal plane. The muffle furnace has the advantages that a mechanical automatic feeder is used for feeding, so that automation level is high; the furnace door is automatically reset through gravity and a spring, so that possible 'blasting', which hurts people, caused by the traditional furnace door connected with the furnace body through screws is avoided; the molybdenum boats are in drawer structure, so that the molybdenum boat rows can move unidirectionally for continuous sintering of tungsten-molybdenum alloy through the automatic feeder; the muffle furnace allows for continuous feeding and discharging and is high in operating efficiency and safe and reliable to use.
Description
Technical field
The present invention relates to Muffle furnace, especially a kind of special-purpose Muffle furnace for the processing tungsten-molybdenum alloy.
Background technology
Non-ferrous metal tungsten, molybdenum all belong to refractory metal, and the production of tungsten-molybdenum alloy generally is to process by powder metallurgy sintered method, and its high temperature process process is normally carried out in Muffle furnace, adopt hydrogen as protective gas in the sintering process.At present, the Muffle furnace of existing processing tungsten-molybdenum alloy is the single-door structure normally, charging or discharging all need the operation of opening the door, can not process continuously, automaticity is lower, and operating personnel often need by hand the tungsten-molybdenum alloy semi-finished product to be delivered in the Muffle furnace, and not only production efficiency is lower, and having leakage and the hyperthermia radiation of inflammable and explosive hydrogen, working environment is relatively poor.
The fire door of existing Muffle furnace generally is straight mouth structure, be perpendicular to horizontal plane after fire door is closed, fire door generally adopts the screw fastening mode to be connected with body of heater, mix owing to there being oxygen to enter in the stove and with hydrogen when charging or discharging switch gate, thereby can produce " blowing out " phenomenon, sometimes even can hurt sb.'s feelings because of " blowing out ", cause the security of Muffle furnace not high.
Summary of the invention
For the deficiency of above existing Muffle furnace, the purpose of this invention is to provide that a kind of security is higher, operating efficiency is higher, realize the special-purpose Muffle furnace of tungsten-molybdenum alloy of Automatic continuous charging.
The objective of the invention is by realizing by the following technical solutions:
The special-purpose Muffle furnace of tungsten-molybdenum alloy, comprise support, body of heater and control device, body of heater one end is provided with feeding mechanism, the other end is provided with discharging mechanism, body of heater is comprised of shell, thermal insulation layer and burner hearth, be provided with heating tube in the described burner hearth and be used for place the molybdenum boat of tungsten-molybdenum alloy material, the molybdenum boat quantity in the burner hearth be more than two and mutually vertically continuous arrangement form formation; Described feeding mechanism comprises fire door and propulsive mechanism, and propulsive mechanism comprises motor, reductor and Worm-gear worm propulsion unit, and Worm-gear worm propulsion unit is connected with an end in contact of described molybdenum boat formation; Described discharging mechanism comprises tapping channel, water-cooling apparatus and discharge door, and tapping channel one end is connected with the discharging opening of described burner hearth, and the other end is provided with discharge door, is provided with water-cooling apparatus around the tapping channel.
As the preferred technical solution of the present invention, when described fire door is closed and horizontal plane form angle, this angle greater than 5 degree less than 60 degree.
As the preferred technical solution of the present invention, when described discharge door is closed and horizontal plane form angle, this angle greater than 5 degree less than 60 degree.
As the preferred technical solution of the present invention, be provided with extension spring between described fire door and the support.
As the preferred technical solution of the present invention, described heating tube comprises corundum furnace tube, is wound with the molybdenum resistance wire on the corundum furnace tube.
As the preferred technical solution of the present invention, described thermal insulation layer comprises fire brick layer, is equipped with refractory brick around the burner hearth, also is provided with the end socket brick between described corundum furnace tube and the fire brick layer.
As the preferred technical solution of the present invention, an end of described body of heater shell is provided with the hydrogen gas pipe, is provided with the hydrogen escape pipe below the body of heater shell, and the end of described feeding mechanism is provided with the combustion of hydrogen mouth.
As the preferred technical solution of the present invention, be provided with water inlet pipe below the described discharging mechanism, be provided with outlet pipe above the discharging mechanism.
As the preferred technical solution of the present invention, described control device comprises frequency converter and control panel.
As the preferred technical solution of the present invention, described support is provided with terminal box, and gauge tap is installed on the terminal box.
The invention has the beneficial effects as follows: with respect to prior art, feeding manner of the present invention adopts the mechanical type auto-feeder, automaticity is higher, fire door utilizes gravity to add extension spring and automatically resets, " blowing out " of having avoided traditional fire door and body of heater to be connected by screw may occurring phenomenon of hurting sb.'s feelings.The material containing molybdenum boat is made as drawer-type structure, and the vertical continuous arrangement of a plurality of molybdenum boats forms the charging formation, by the mechanical type auto-feeder, makes molybdenum boat formation single-way moving realize the continuous sintering processing of tungsten-molybdenum alloy.The present invention realizes continuous feed and discharging, high efficiency, and safe and reliable, working environment is better.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing and specific embodiment:
Fig. 1 is structural representation of the present invention.
The specific embodiment
As shown in Figure 1, the special-purpose Muffle furnace of tungsten-molybdenum alloy, comprise support 1, body of heater and control device, body of heater one end is provided with feeding mechanism 8, the other end is provided with discharging mechanism 9, body of heater is comprised of shell 2, thermal insulation layer 5 and burner hearth, be provided with heating tube in the described burner hearth and be used for place the molybdenum boat 7 of tungsten-molybdenum alloy material, in the burner hearth quantity of molybdenum boat 7 be more than two and mutually vertically continuous arrangement form formation.Feeding mechanism 8 comprises fire door 10 and propulsive mechanism, and propulsive mechanism comprises motor 14, reductor 23 and Worm-gear worm propulsion unit 12, and Worm-gear worm propulsion unit 12 is connected with an end in contact of molybdenum boat 7 formations.Described discharging mechanism 9 comprises tapping channel, water-cooling apparatus and discharge door 21, and tapping channel one end is connected with the discharging opening of burner hearth, and the other end is provided with discharge door 21, is provided with water-cooling apparatus around the tapping channel.
In the present embodiment, when described fire door 10 is closed and horizontal plane form angle, less than 60 degree, preferred value is got 45 degree to this angle, and handle 11 is installed on the fire door 10 greater than 5 degree.When described discharge door 21 is closed and horizontal plane form angle, less than 60 degree, preferred value is got 45 degree to this angle greater than 5 degree, discharge door 21 is connected with mount pad 24 by movable connecting rod 22 and fixes.As preferred embodiment, also be provided with the extension spring (not shown) between fire door 10 and the support 1, like this, fire door can utilize the gravity of himself and the pulling force of extension spring to automatically reset, the phenomenon thereby " blowing out " of avoiding traditional fire door and body of heater to be connected by screw may occurring hurts sb.'s feelings.
In the present embodiment, described heating tube comprises corundum furnace tube 3, is wound with molybdenum resistance wire 4 on the corundum furnace tube 3.Described thermal insulation layer 5 comprises fire brick layer, is equipped with refractory brick around the burner hearth, also is provided with end socket brick 6 between corundum furnace tube 3 and the fire brick layer.One end of described body of heater shell 2 is provided with hydrogen gas pipe 18, is provided with hydrogen escape pipe 17 below the body of heater shell 2, and the end of feeding mechanism 8 is provided with combustion of hydrogen mouth 16.Be provided with water inlet pipe 19 below the described discharging mechanism 9, be provided with outlet pipe 20 above the discharging mechanism 9.The present embodiment control device comprises frequency converter 13 and control panel, and described support 1 is provided with terminal box 15, on the terminal box 15 gauge tap is installed.
Claims (10)
1. the special-purpose Muffle furnace of a tungsten-molybdenum alloy, comprise support, body of heater and control device, body of heater one end is provided with feeding mechanism, the other end is provided with discharging mechanism, body of heater is comprised of shell, thermal insulation layer and burner hearth, it is characterized in that: be provided with heating tube in the described burner hearth and be used for place the molybdenum boat of tungsten-molybdenum alloy material, the molybdenum boat quantity in the burner hearth be more than two and mutually vertically continuous arrangement form formation; Described feeding mechanism comprises fire door and propulsive mechanism, and propulsive mechanism comprises motor, reductor and Worm-gear worm propulsion unit, and Worm-gear worm propulsion unit is connected with an end in contact of described molybdenum boat formation; Described discharging mechanism comprises tapping channel, water-cooling apparatus and discharge door, and tapping channel one end is connected with the discharging opening of described burner hearth, and the other end is provided with discharge door, is provided with water-cooling apparatus around the tapping channel.
2. the special-purpose Muffle furnace of tungsten-molybdenum alloy according to claim 1, it is characterized in that: form angle with horizontal plane when described fire door is closed, this angle is spent less than 60 greater than 5 degree.
3. the special-purpose Muffle furnace of tungsten-molybdenum alloy according to claim 1, it is characterized in that: form angle with horizontal plane when described discharge door is closed, this angle is spent less than 60 greater than 5 degree.
4. the special-purpose Muffle furnace of tungsten-molybdenum alloy according to claim 2 is characterized in that: be provided with extension spring between described fire door and the support.
5. the special-purpose Muffle furnace of tungsten-molybdenum alloy according to claim 1, it is characterized in that: described heating tube comprises corundum furnace tube, is wound with the molybdenum resistance wire on the corundum furnace tube.
6. the special-purpose Muffle furnace of tungsten-molybdenum alloy according to claim 5, it is characterized in that: described thermal insulation layer comprises fire brick layer, is equipped with refractory brick around the burner hearth, also is provided with the end socket brick between described corundum furnace tube and the fire brick layer.
7. the special-purpose Muffle furnace of tungsten-molybdenum alloy according to claim 1, it is characterized in that: an end of described body of heater shell is provided with the hydrogen gas pipe, is provided with the hydrogen escape pipe below the body of heater shell, and the end of described feeding mechanism is provided with the combustion of hydrogen mouth.
8. the special-purpose Muffle furnace of tungsten-molybdenum alloy according to claim 1 is characterized in that: be provided with water inlet pipe below the described discharging mechanism, be provided with outlet pipe above the discharging mechanism.
9. the special-purpose Muffle furnace of tungsten-molybdenum alloy according to claim 1, it is characterized in that: described control device comprises frequency converter and control panel.
10. the special-purpose Muffle furnace of tungsten-molybdenum alloy according to claim 1, it is characterized in that: described support is provided with terminal box, and gauge tap is installed on the terminal box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210108648.1A CN103375984B (en) | 2012-04-15 | 2012-04-15 | Muffle furnace special for tungsten-molybdenum alloy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210108648.1A CN103375984B (en) | 2012-04-15 | 2012-04-15 | Muffle furnace special for tungsten-molybdenum alloy |
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| CN103375984A true CN103375984A (en) | 2013-10-30 |
| CN103375984B CN103375984B (en) | 2015-07-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101207A (en) * | 2014-07-03 | 2014-10-15 | 国家黄金钻石制品质量监督检验中心 | Device for taking and placing muffle furnace sample |
| CN109850901A (en) * | 2019-03-28 | 2019-06-07 | 湖南信之材料工程技术有限责任公司 | It is a kind of for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3836325A (en) * | 1973-12-11 | 1974-09-17 | Nippon Steel Corp | Apparatus for charging materials into vertical heating furnace |
| CN200949994Y (en) * | 2006-07-18 | 2007-09-19 | 张吉堂 | Quartz continuous sintering furnace |
| CN201359434Y (en) * | 2009-02-23 | 2009-12-09 | 南京寒锐钴业有限公司 | Boat-pushing type two-tube reducing furnace |
| CN102374775A (en) * | 2010-08-25 | 2012-03-14 | 无锡市新科表面工程材料有限公司 | Heating furnace |
| CN202660886U (en) * | 2012-04-15 | 2013-01-09 | 徐文进 | Muffle furnace special for tungsten-molybdenum alloy |
-
2012
- 2012-04-15 CN CN201210108648.1A patent/CN103375984B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3836325A (en) * | 1973-12-11 | 1974-09-17 | Nippon Steel Corp | Apparatus for charging materials into vertical heating furnace |
| CN200949994Y (en) * | 2006-07-18 | 2007-09-19 | 张吉堂 | Quartz continuous sintering furnace |
| CN201359434Y (en) * | 2009-02-23 | 2009-12-09 | 南京寒锐钴业有限公司 | Boat-pushing type two-tube reducing furnace |
| CN102374775A (en) * | 2010-08-25 | 2012-03-14 | 无锡市新科表面工程材料有限公司 | Heating furnace |
| CN202660886U (en) * | 2012-04-15 | 2013-01-09 | 徐文进 | Muffle furnace special for tungsten-molybdenum alloy |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101207A (en) * | 2014-07-03 | 2014-10-15 | 国家黄金钻石制品质量监督检验中心 | Device for taking and placing muffle furnace sample |
| CN104101207B (en) * | 2014-07-03 | 2015-08-26 | 国家黄金钻石制品质量监督检验中心 | A kind of device for picking and placeing Muffle furnace sample |
| CN109850901A (en) * | 2019-03-28 | 2019-06-07 | 湖南信之材料工程技术有限责任公司 | It is a kind of for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide |
| CN109850901B (en) * | 2019-03-28 | 2023-10-20 | 湖南信之材料工程技术有限责任公司 | Full-automatic push boat type carbonization furnace for producing superfine tungsten carbide powder |
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| CN103375984B (en) | 2015-07-29 |
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Effective date of registration: 20160808 Address after: 225509, Jiangsu, Jiangyan District, Taizhou Province Yu town industrial concentration area Patentee after: TAIZHOU HUACHENG TUNGSTEN & MOLYBDENUM MANUFACTURE CO., LTD. Address before: 225509 Jiangsu city of Taizhou province Jiangyan city Yuduo Town Industrial Park Jiangyan Huacheng tungsten and molybdenum products Co. Ltd. Patentee before: Xu Wenjin |