CN203144511U - Pyrolysis furnace for preparing nickel rod by chemical vapour deposition method - Google Patents
Pyrolysis furnace for preparing nickel rod by chemical vapour deposition method Download PDFInfo
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- CN203144511U CN203144511U CN 201320118512 CN201320118512U CN203144511U CN 203144511 U CN203144511 U CN 203144511U CN 201320118512 CN201320118512 CN 201320118512 CN 201320118512 U CN201320118512 U CN 201320118512U CN 203144511 U CN203144511 U CN 203144511U
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Abstract
The utility model discloses a pyrolysis furnace for preparing a nickel rod by a chemical vapour deposition method. The pyrolysis furnace comprises a furnace body, a furnace body cooling system, a nickel tube, an air inlet, a tail gas outlet and an oil heating system, wherein the furnace body cooling system is arranged on the wall of the furnace body; the air inlet is formed in the middle of the bottom of the furnace body; the heat-conducting oil inlet and the heat-conducting oil outlet of the oil heating system are symmetrically formed; the tail gas outlet is formed in the side of the bottom of the furnace body; and the nickel tube is communicated with the heat-conducting oil inlet and the heat-conducting oil outlet, and the middle of the nickel tube is located just above the air inlet. The furnace body cooling system is a water-cooling system having a rated working temperature of 50-60 DEG C; the heat source of the oil heating system and the furnace body are separately arranged; and an external pump provides a circulating power and has a working temperature of 150-350 DEG C. The pyrolysis furnace disclosed by the utility model is used for producing the nickel rod by virtue of nickel carbonyl, as well as is simple in structure, less in investment and high in production efficiency; nickel carbonyl is heated and then decomposed to obtain metal nickel and CO; and relative to the traditional electrolytic nickel production, the pyrolysis furnace has the advantages of being short in process flow, high in automation degree, less in pollution, less in metal loss during a smelting process, and the like.
Description
Technical field
The utility model relates to a kind of metal melting equipment, specifically relates to the pyrolysis oven that a kind of chemical vapor deposition legal system is equipped with the nickel rod.
Background technology
The pure metallic nickel bar can be used as fields such as steel-making, chemical materials.Both at home and abroad enterprise utilizes electrolytic nickel to do main raw material, adds necessary subsidiary material, smelts, forging, rolling and drawing preparation.To be electrolytic nickel smelt, the cast bar, strip off the skin, heats forged, square billet, rolling, annealing, pickling, butt welding, drawing, repeat to be annealed to complex process such as drawing process and just can obtain metal wire or bar through non-vacuum induction furnace in technical process.This technical process length, complicated operation, energy consumption height, production cost height.
Nickle carbonoxide heating back decomposition obtains metallic nickel and CO, utilizes this characteristic of pyrolysis to produce metallic nickel and has advantages such as technical process is short, level of automation is high, it is little to pollute, the smelting process metal loss is few with respect to traditional electrolytic nickel production process.But the production technique and the equipment that utilize nickle carbonoxide to decompose preparation pure metallic nickel rod are not at home and abroad also used, and utilize the product of nickle carbonoxide production to have only three kinds of nickel powder, ferronickel powder and nickel rondelles at present.
The utility model content
The purpose of this utility model is to design the pyrolysis oven that a kind of chemical vapor deposition legal system is equipped with the nickel rod, utilizes the nickle carbonoxide pyrolysis to produce the nickel rod, has simple in structure, less investment, production efficiency advantages of higher.
For reaching above-mentioned technique effect, the utility model adopts following technical scheme: the pyrolysis oven that a kind of chemical vapor deposition legal system is equipped with the nickel rod comprises: body of heater, body of heater cooling system, nickel pipe, inlet mouth, tail gas outlet and heating system for oil, furnace body wall is provided with the body of heater cooling system, inlet mouth is arranged in the middle of the bottom of furnace body, the heat conductive oil inlet of heating system for oil and thermal oil outlet are symmetrical arranged along inlet mouth, the tail gas outlet is arranged at the bottom of furnace body side, the nickel pipe is communicated with heat conductive oil inlet and thermal oil outlet, and nickel pipe middle part is positioned at directly over the inlet mouth.
Preferably, described body of heater cooling system is water-cooling system, and heat exchange portion is the cooling jacket that arranges along furnace body wall, and body of heater cooling system water-in is arranged at the sidewall of the furnace body bottom, water outlet is arranged at sidewall of the furnace body top, and the nominal operation temperature of cooling system is 50 ~ 60 ℃.
Preferably, the thermal source of described heating system for oil separates setting with body of heater, is communicated with by transition pipeline, provides circulation power by external pump, and the thermal source working temperature is 150 ℃～350 ℃.
Preferably, described tail gas exit is provided with pumped vacuum systems, and nominal operation air pressure is 0.01～0.25MPa.
Preferably, described nickel pipe is inverted u-shaped or for the rectangle that lacks the base or for lacking the rectangle on base.
The beneficial effects of the utility model:
The disclosed a kind of chemical vapor deposition legal system of the utility model is equipped with the pyrolysis oven of nickel rod, utilizes the nickle carbonoxide pyrolysis to produce the nickel rod, has simple in structure, less investment, production efficiency advantages of higher.Nickle carbonoxide heating back decomposition obtains metallic nickel and CO, utilizes this characteristic of pyrolysis to produce metallic nickel and has advantages such as technical process is short, level of automation is high, it is little to pollute, the smelting process metal loss is few with respect to traditional electrolytic nickel production process.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Wherein: 1-body of heater; 2-nickel pipe; 3-inlet mouth; 4-water-in; 5-water outlet; The outlet of 6-tail gas; 7-heat conductive oil inlet; The outlet of 8-thermal oil; 9-cooling jacket; 10-thermal source; 11-pump.
Embodiment
As shown in Figure 1, the pyrolysis oven that a kind of chemical vapor deposition legal system is equipped with the nickel rod comprises: body of heater 1, the body of heater cooling system, nickel pipe 2, inlet mouth 3, tail gas outlet 6 and heating system for oil, furnace body wall is provided with the body of heater cooling system, the body of heater cooling system is water-cooling system, heat exchange portion is the cooling jacket 9 that arranges along furnace body wall, body of heater cooling system water-in 4 is arranged at the sidewall of the furnace body bottom, water outlet 5 is arranged at sidewall of the furnace body top, inlet mouth 3 is arranged in the middle of body of heater 1 bottom, the heat conductive oil inlet 7 of heating system for oil and thermal oil outlet 8 is symmetrical arranged along inlet mouth 3, the thermal source 10 of heating system for oil separates setting with body of heater 1, be communicated with by transition pipeline, provide circulation power by external pump 11, tail gas outlet 6 is arranged at body of heater 1 bottom side, nickel pipe 2 is communicated with heat conductive oil inlet 7 and thermal oil outlet 8, and nickel pipe 2 middle parts are positioned at directly over the inlet mouth 3.
Further be to set up pumped vacuum systems in the tail gas exit, guarantee rated operating pressure of the present utility model in the scope of 0.01～0.25MPa, pyrolysis tail gas (being mainly carbon monoxide) is drawn from pyrolysis oven bottom tail gas outlet 6; The nickel pipe is processed as inverted u-shaped, can also be the rectangle that lacks the base or the rectangle that lacks the base.
Heating system for oil of the present utility model and nickel pipe internal recycle thermal oil; provide circulation power by pump; temperature is 150 ℃～350 ℃; cooling system guarantees that furnace body temperature is about 55 ℃; be nickel and CO gas when nickle carbonoxide runs into nickel pipe decomposes when inlet mouth enters in the body of heater like this; nickel pipe outer wall metal refining nickel is constantly grown up; finally obtaining diameter is the nickel rod of 800mm-1200mm;, its pyrolysis tail gas is mainly carbon monoxide; draw from the tail gas air outlet of pyrolysis oven bottom; the pumped vacuum systems of outer setting, thoroughly emptying equipment and ducted harmful survival gas reach the protection to human and environment.
Heat-conducting oil system of the present utility model can be such recycle system, thermal oil is injected into behind the thermal oil storage tank to be heated to by electric heater needs temperature, be pumped in the nickel pipe in the pyrolysis oven, through with pyrolysis oven in the nickel carbonyl gas heat-shift after, be back in the storage tank again and deliver to the stove internal recycle after the heating.
The disclosed a kind of chemical vapor deposition legal system of the utility model is equipped with the pyrolysis oven of nickel rod, utilizes the nickle carbonoxide pyrolysis to produce the nickel rod, has simple in structure, less investment, production efficiency advantages of higher.Nickle carbonoxide heating back decomposition obtains metallic nickel and CO, utilizes this characteristic of pyrolysis to produce metallic nickel and has advantages such as technical process is short, level of automation is high, it is little to pollute, the smelting process metal loss is few with respect to traditional electrolytic nickel production process.
Above-described only is preferred embodiment of the present utility model.Should be understood that for the person of ordinary skill of the art, under technology enlightenment provided by the utility model, as the common practise of this area, can also make other equivalent modifications and improvement, also should be considered as protection domain of the present utility model.
Claims (5)
1. a chemical vapor deposition legal system is equipped with the pyrolysis oven of nickel rod, comprise: body of heater, body of heater cooling system, nickel pipe, inlet mouth, tail gas outlet and heating system for oil, it is characterized in that: furnace body wall is provided with the body of heater cooling system, inlet mouth is arranged in the middle of the bottom of furnace body, the heat conductive oil inlet of heating system for oil and thermal oil outlet are symmetrical arranged along inlet mouth, the tail gas outlet is arranged at the bottom of furnace body side, and the nickel pipe is communicated with heat conductive oil inlet and thermal oil outlet, and nickel pipe middle part is positioned at directly over the inlet mouth.
2. the pyrolysis oven that is equipped with the nickel rod according to the described a kind of chemical vapor deposition legal system of claim 1, it is characterized in that: described body of heater cooling system is water-cooling system, heat exchange portion is the cooling jacket that arranges along furnace body wall, body of heater cooling system water-in is arranged at the sidewall of the furnace body bottom, water outlet is arranged at sidewall of the furnace body top, and the nominal operation temperature of cooling system is 50 ~ 60 ℃.
3. the pyrolysis oven that is equipped with the nickel rod according to claim 1 or 2 described a kind of chemical vapor deposition legal systems, it is characterized in that: the thermal source of described heating system for oil separates setting with body of heater, be communicated with by transition pipeline, provide circulation power by external pump, the thermal source working temperature is 150 ℃～350 ℃.
4. be equipped with the pyrolysis oven of nickel rod according to the described a kind of chemical vapor deposition legal system of claim 3, it is characterized in that: described tail gas exit is provided with pumped vacuum systems, and nominal operation air pressure is 0.01～0.25MPa.
5. be equipped with the pyrolysis oven of nickel rod according to the described a kind of chemical vapor deposition legal system of claim 3, it is characterized in that: described nickel pipe is inverted u-shaped or for the rectangle that lacks the base or for lacking the rectangle on base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320118512 CN203144511U (en) | 2013-03-15 | 2013-03-15 | Pyrolysis furnace for preparing nickel rod by chemical vapour deposition method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320118512 CN203144511U (en) | 2013-03-15 | 2013-03-15 | Pyrolysis furnace for preparing nickel rod by chemical vapour deposition method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203144511U true CN203144511U (en) | 2013-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320118512 Expired - Fee Related CN203144511U (en) | 2013-03-15 | 2013-03-15 | Pyrolysis furnace for preparing nickel rod by chemical vapour deposition method |
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| Country | Link |
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| CN (1) | CN203144511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146935A (en) * | 2013-03-15 | 2013-06-12 | 金川集团股份有限公司 | Pyrolyzing furnace for preparing nickel rod through chemical vapor deposition method and method for preparing nickel rod |
| CN110976850A (en) * | 2019-12-06 | 2020-04-10 | 成都核八五七新材料有限公司 | Method for preparing nickel-coated powder by carbonyl vapor deposition |
-
2013
- 2013-03-15 CN CN 201320118512 patent/CN203144511U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146935A (en) * | 2013-03-15 | 2013-06-12 | 金川集团股份有限公司 | Pyrolyzing furnace for preparing nickel rod through chemical vapor deposition method and method for preparing nickel rod |
| CN110976850A (en) * | 2019-12-06 | 2020-04-10 | 成都核八五七新材料有限公司 | Method for preparing nickel-coated powder by carbonyl vapor deposition |
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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: 20130821 Termination date: 20190315 |