CN203421940U - Novel rail type vacuum furnace for vanadium nitride production - Google Patents
Novel rail type vacuum furnace for vanadium nitride production Download PDFInfo
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- CN203421940U CN203421940U CN201320367306.1U CN201320367306U CN203421940U CN 203421940 U CN203421940 U CN 203421940U CN 201320367306 U CN201320367306 U CN 201320367306U CN 203421940 U CN203421940 U CN 203421940U
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Abstract
The utility model discloses a novel rail type vacuum furnace for vanadium nitride production. The novel rail type vacuum furnace comprises a pressure container barrel body (1), a high temperature sintering heating chamber (2) and an in-furnace skip car (3), outer appurtenances comprise a vacuum pumping unit (9), an in-furnace heating part control cabinet (5), a pressure regulator (6), furnace front skip car rails (7) and a furnace front rail trolley (8), a high temperature high vacuum sintering furnace body is a horizontal cylindrical pressure container barrel body, a barrel wall is of a double-layer jacket type structure, a cooling water jacket is arranged in the middle of the structure, a hydraulic opening type fast door opening structure is arranged in the front of the furnace body, and the high temperature sintering heating chamber (2) and the in-furnace skip car (3) are arranged in the furnace. The novel rail type vacuum furnace is high in heat efficiency, and materials can be placed in the furnace conveniently.
Description
Technical field
The present invention relates to a kind of nitrogenize vacuum smelting furnace, particularly relate to a kind of vacuum drying oven of producing vanadium nitride under vacuum, heated condition.
Background technology
Vanadium nitride is good steel-making additive, can significantly improve the comprehensive mechanical performances such as wearability, rotproofness and thermal fatigue resistance of steel, and make steel have good weldability energy, and play effects such as eliminating field trash extension.At present, in producing the existing technology of vanadium nitride, all adopt nitriding process, by preparation condition, be divided into vacuum method and antivacuum method, the mode of production is divided into continous way and produces and batch production.
Existing antivacuum method production equipment uses the continous way mode of production conventionally, its production equipment generally adopts pushed bat kiln, tunnel cave, in the device such as rotary kiln, carry out antivacuum reduction nitridation reaction, prepare alloy of vanadium nitride, the kiln formula device using, the liner of its kiln, push pedal or go-cart are made by carbonaceous material and refractory material, logical nitrogen protection and nitrogenize in kiln, and nitrogen pressure is conventionally at 1 atmospheric slight positive pressure state, this type of device fabrication vanadium nitride production efficiency is low, production time is long, energy consumption is high, plant maintenance amount is large, and product nitrogen content is low, in production process, product because not carrying out under vacuum state, product is oxidizable, make like this product oxygen content higher, affected the quality of product.
Existing vacuum method is produced vanadium nitride equipment and is generally adopted alloy resistance wire, Elema or Si-Mo rod heater resistance-heated furnace mode of heating, or the mode that adopts eddy-current heating graphite liner to add fever heat solid raw material by graphite liner again heats.Also there is in addition the small scale equipment that adopts heating using microwave.These resistance heating devices conduct heat slow, and thermal losses is high, and material adds few, is not easy to industrialization.
Described in Chinese patent 201020179902.3 " a kind of VN alloy is produced special-purpose high temperature high vacuum sintering furnace ", the VN alloy that its equipment provides is produced special-purpose high temperature high vacuum sintering furnace, comprise control room and high temperature high-vacuum sintering furnace heating chamber, in chamber body, be circumferentially laid with heater, and in be provided with siege assembly, be provided with movably pallet and put material.Although this equipment has been realized and has been produced vanadium nitride product under vacuum state, but the mode of heating in its heating clamber is surrounding heating, in the middle of material and pallet are placed on, heat so fragile pallet, while entering stove, pallet is also inconvenient to put into stove at every turn, need to intersect in stove with plant equipment is unsettled, and such design makes available material space few, be unfavorable for a large amount of production, make per unit area yield energy consumption higher.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, provide a kind of rational in infrastructure, the thermal efficiency is high, and be convenient to material and pack into, and the high track type vacuum resistance stove of production capacity.
The invention provides a kind of novel vanadium nitride production track type vacuum stove, comprise pressure container cylinder (1), truck (3) in high temperature sintering heating clamber (2) and stove, external attached parts vacuumize unit (9), stove internal heat generation part switch board (5), pressure regulator (6), ladle addition Car Track (7), stokehold guide rail dolly (8), it is characterized by: high temperature high-vacuum sintering furnace body is a Horizontal cylinder shape pressure container cylinder, the highest pressure-bearing pressure is 0.4Mpa, barrel is Double-layer clamp shell type structure, centre is cooling water jecket, before be hydraulic pressure opening formula quick opening structure, stove endosome is placed with truck (3) in high temperature sintering heating clamber (2) and stove, body of heater rear portion is connected to pipeline (4) and the inflated with nitrogen pipe vacuumizing, after vacuum line, be to vacuumize unit (9), unit is composed in series by Lodz pump (10) and slide valve pump (11), and wherein slide valve pump is three parallel connections, and the vacuum that unit energy reaches is 20Pa.
The high temperature sintering heating clamber (2) of placing in described body of heater is a horizontal cuboid, it has a left side, right, upper three faces, its below is open, castor (13) is laid in heating clamber below, pass through castor, heating clamber is placed on the supporting track (14) being comprised of two channel-section steels in body of heater, and can when maintenance, pull out body of heater, chamber body is comprised of double-deck heat-resisting steel sheet and plate, in interlayer, be high temperature resistant corundum insulating brick and one deck ceramic fibre heat-preservation cotton, above chamber body, there is a semicircular U-steel frame (15), it can keep heating clamber can not be out of shape when high temperature, the inner circumferential of three faces of chamber body is laid with heater (16), heater is refractory metal nickel chromium triangle band metal molybdenum band, during heating metal strip work, by body of heater switch board, pressure regulator, carry out automation control, its heating-up temperature can reach 1500 ℃, in chamber body, be provided with the thermocouple (17) extending in chamber body, sintering furnace uses three temperature thermocouple temperature controls, and temperature-controlled precision is 3 ℃ of scholars.
The beneficial effect of patent of the present invention: 1, the thermal efficiency is high, is convenient to material and packs into; 2, production efficiency is high.
Accompanying drawing explanation
Fig. 1 is body of heater of the present invention and appurtenances floor plan.
Fig. 2 is body of heater of the present invention and appurtenances facade layout drawing.
Fig. 3 is heating clamber and truck front view in stove of the present invention.
The specific embodiment
Now by reference to the accompanying drawings summary of the invention is described further.
The high temperature sintering heating clamber (2) of placing in body of heater is a horizontal cuboid, it has left and right, upper three faces, its below is open, castor (13) is laid in heating clamber below, pass through castor, heating clamber is placed on the supporting track (14) being comprised of two channel-section steels in body of heater, and can when maintenance, pull out body of heater, chamber body is comprised of double-deck heat-resisting steel sheet and plate, in interlayer, be high temperature resistant corundum insulating brick and one deck ceramic fibre heat-preservation cotton, above chamber body, have a semicircular U-steel frame (15), it can keep heating clamber can not be out of shape when high temperature.The inner circumferential of three faces of chamber body is laid with heater (16), heater is refractory metal nickel chromium triangle band metal molybdenum band, during heating metal strip work, by body of heater switch board, pressure regulator, carry out automation control, its heating-up temperature can reach 1500 ℃, in chamber body, be provided with the thermocouple (17) extending in chamber body, sintering furnace uses three temperature thermocouple temperature controls, and temperature-controlled precision is 3 ℃ of scholars.
In high temperature high-vacuum sintering furnace body, below parallel longitudinal is equipped with two one steel rails (18), and materials vehicle (3) just can push away and put into stove, and when body of heater is installed, two one steel rails should be just on horizon, workshop.Dolly bottom is four castors (13) and axle, bearings assembly, top is a rectangular material frame, and size can be decided to be 1.5m*1.5m conventionally, in order to loaded material, the quantity of dolly can be determined according to body of heater length, conventionally can take 3 cars of a stove or 4 cars.
Before body of heater on ground along being also covered with the track the same with the rail of stove inner support truck on the extended line of two one steel rails in stove, tremble like this car (12) and be first placed on this rail entering stokehold, and install raw material.Before body of heater, there is a pitting, in hole, there are two rail of laterally laying, on rail, be placed with a guide rail dolly (8), on guide rail dolly, equally also there are two rail of laterally laying, guide rail dolly can vertically move by the rail in hole, also the hydraulic stem that can install by self regulates the get on the right track height of plane of car body, after oven door opening, guide rail dolly (8) moves to the position that can dock with body of heater rail, and regulate height of the carbody, three kinds of rail are docked completely, and truck just can enter body of heater by guide rail dolly from the track on ground and (1) like this.
Claims (2)
1. a novel vanadium nitride is produced and is used track type vacuum stove, comprise pressure container cylinder (1), truck (3) in high temperature sintering heating clamber (2) and stove, external attached parts vacuumize unit (9), stove internal heat generation part switch board (5), pressure regulator (6), ladle addition Car Track (7), stokehold guide rail dolly (8), it is characterized by: high temperature high-vacuum sintering furnace body is a Horizontal cylinder shape pressure container cylinder, barrel is Double-layer clamp shell type structure, centre is cooling water jecket, before be hydraulic pressure opening formula quick opening structure, stove endosome is placed with truck (3) in high temperature sintering heating clamber (2) and stove, body of heater rear portion is connected to pipeline (4) and the inflated with nitrogen pipe vacuumizing, and is to vacuumize unit (9) after vacuum line, and unit is composed in series by Lodz pump (10) and slide valve pump (11), and wherein slide valve pump is three parallel connections.
2. a kind of novel vanadium nitride according to claim 1 is produced and is used track type vacuum stove, it is characterized by: the high temperature sintering heating clamber (2) of placing in described body of heater is a horizontal cuboid, it has a left side, right, upper three faces, its below is open, castor (13) is laid in heating clamber below, pass through castor, heating clamber is placed on the supporting track (14) being comprised of two channel-section steels in body of heater, chamber body is comprised of double-deck heat-resisting steel sheet and plate, in interlayer, be high temperature resistant corundum insulating brick and one deck ceramic fibre heat-preservation cotton, above chamber body, there is a semicircular U-steel frame (15), the inner circumferential of three faces of chamber body is laid with heater (16), heater is refractory metal nickel chromium triangle band metal molybdenum band, during heating metal strip work, by body of heater switch board (5), pressure regulator (6), carry out automation control, in chamber body, be provided with the thermocouple (17) extending in chamber body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320367306.1U CN203421940U (en) | 2013-06-25 | 2013-06-25 | Novel rail type vacuum furnace for vanadium nitride production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320367306.1U CN203421940U (en) | 2013-06-25 | 2013-06-25 | Novel rail type vacuum furnace for vanadium nitride production |
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| Publication Number | Publication Date |
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| CN203421940U true CN203421940U (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320367306.1U Expired - Fee Related CN203421940U (en) | 2013-06-25 | 2013-06-25 | Novel rail type vacuum furnace for vanadium nitride production |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307870A (en) * | 2013-06-25 | 2013-09-18 | 湘西自治州丰达合金科技有限公司 | Rail-type vacuum furnace for vanadium nitride production |
| CN104388720A (en) * | 2014-10-30 | 2015-03-04 | 太仓市锦立得粉末冶金有限公司 | Sintering technique of powder metallurgy product nickel-containing raw material |
| CN107498040A (en) * | 2017-09-11 | 2017-12-22 | 重庆市九瑞粉末冶金有限责任公司 | A kind of sintering furnace for field of powder metallurgy |
-
2013
- 2013-06-25 CN CN201320367306.1U patent/CN203421940U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307870A (en) * | 2013-06-25 | 2013-09-18 | 湘西自治州丰达合金科技有限公司 | Rail-type vacuum furnace for vanadium nitride production |
| CN104388720A (en) * | 2014-10-30 | 2015-03-04 | 太仓市锦立得粉末冶金有限公司 | Sintering technique of powder metallurgy product nickel-containing raw material |
| CN107498040A (en) * | 2017-09-11 | 2017-12-22 | 重庆市九瑞粉末冶金有限责任公司 | A kind of sintering furnace for field of powder metallurgy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20200625 |