CN212645309U - Electric arc furnace for continuously producing nano powder - Google Patents

Abstract

The utility model discloses an electric arc furnace for continuously producing nano-powder, which comprises a furnace body, a cathode rod, a cathode compensation mechanism, an anode rod, a primary emptying valve, a transition collector, a secondary emptying valve, a terminal collector, a first evacuation valve, a first air inlet valve, a vacuum pump, a second evacuation valve, a third evacuation valve, a feed valve, an anode compensation mechanism, a charging box, a second air inlet valve, a water-cooling powder scraper, a charging box cover and a third air inlet valve, wherein the center of two sides of the furnace body is vertically embedded with the cathode compensation mechanism and the anode compensation mechanism, the output ends of the cathode compensation mechanism and the anode compensation mechanism are respectively and fixedly provided with the cathode rod and the anode rod, the center of the bottom of the furnace body is provided with a discharge port, and the discharge port is provided with the primary emptying valve, the electric arc furnace realizes that the atmosphere environment in the furnace body is unchanged in the charging and discharging processes, and can not cause furnace shutdown because of charging and discharging, the continuous production is really realized, the automation degree is high, the efficiency is improved, and the labor intensity is saved.

Description

Electric arc furnace for continuously producing nano powder

Technical Field

The utility model relates to a nanometer powder production facility technical field specifically is an electric arc furnace of continuous production nanometer powder.

Background

The nano powder is also called as ultra-fine particles, and refers to a metastable intermediate substance with extremely small particle size (1-100 nm) between solid and molecule. It can be divided into metal, semiconductor, polymer, ceramic superfine powder, etc. The nano powder is difficult to be prepared by the traditional mechanical method, so the electric arc furnace has wide application. However, in the charging and discharging processes of the existing electric arc furnace, in order to avoid the efficiency reduction caused by the change of the atmosphere inside the furnace body, the equipment is generally shut down, so that the production working hours are increased, the production cost is increased, and the production is not facilitated, so that the design of the electric arc furnace for continuously producing the nano powder is very necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric arc furnace of continuous production nanometer powder to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: an electric arc furnace for continuously producing nano-powder comprises a furnace body, a cathode bar, a cathode compensation mechanism, an anode bar, a primary emptying valve, a transition collector, a secondary emptying valve, a terminal collector, a first vacuumizing valve, a first air inlet valve, a vacuum pump, a second vacuumizing valve, a third vacuumizing valve, a feed valve, an anode compensation mechanism, a charging box, a second air inlet valve, a water-cooling powder scraping device, a material box cover and a third air inlet valve, wherein the center of the two sides of the furnace body is vertically embedded with the cathode compensation mechanism and the anode compensation mechanism, the output ends of the cathode compensation mechanism and the anode compensation mechanism are respectively and fixedly provided with the cathode bar and the anode bar, the center of the bottom of the furnace body is provided with a discharge port, the discharge port is provided with the primary emptying valve, the bottom of the primary emptying valve is also connected with the transition collector, and the bottom of the transition collector is communicated with the terminal collector through the secondary emptying valve, one side of the transition collector is communicated with a vacuum pump through a first vacuumizing valve and a pipeline, the vacuum pump is communicated with the furnace body and the charging box through the pipeline, a second vacuumizing valve and a third vacuumizing valve are installed on the pipeline respectively, a charging box cover is arranged at the top of the charging box, and a plurality of pre-installed anode rods are horizontally stacked in the charging box.

Furthermore, a water-cooling powder scraper is arranged in the center of the interior of the charging box.

Furthermore, the top of the furnace body is communicated with a process gas storage tank through a third air inlet valve and a pipeline, and the process gas storage tank is further communicated with a transition collector and a charging box through a first air inlet valve, a second air inlet valve and a pipeline respectively.

Furthermore, the cathode compensation mechanism and the anode compensation mechanism are both horizontally arranged electric push rods, and the output ends of the electric push rods are fixedly connected with the cathode bar and the anode bar through bolt sleeves.

Furthermore, the anode compensation mechanism is vertically embedded into one side of the charging box and located on one side far away from the furnace body, a feeding valve is installed on one side, close to the furnace body, of the charging box, and the axis of the output end of the anode compensation mechanism and the axes of the cathode compensation mechanism and the feeding valve are on the same horizontal line.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the electric arc furnace for continuously producing the nano powder realizes the invariance of the atmosphere environment in the furnace body in the charging and discharging processes, can not cause furnace shutdown because of charging and discharging, really realizes continuous production, improves the automation degree, improves the efficiency and simultaneously saves the labor intensity.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

in the figure: 1. a furnace body; 2. a cathode bar; 3. a cathode compensation mechanism; 4. an anode rod; 5. a primary discharge valve; 6. a transition collector; 7. a secondary discharge valve; 8. a terminal collector; 9. a first vacuum-pumping valve; 10. a first intake valve; 11. a vacuum pump; 12. a second vacuum valve; 13. a third vacuum-pumping valve; 14. a feed valve; 15. an anode compensation mechanism; 16. a charging box; 17. a second intake valve; 18. a water-cooled powder scraper; 19. a magazine cover; 20. and a third air inlet valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: an electric arc furnace for continuously producing nano powder comprises a furnace body 1, a cathode rod 2, a cathode compensation mechanism 3, an anode rod 4, a primary discharge valve 5, a transition collector 6, a secondary discharge valve 7, a terminal collector 8, a first vacuumizing valve 9, a first air inlet valve 10, a vacuum pump 11, a second vacuumizing valve 12, a third vacuumizing valve 13, a feed valve 14, an anode compensation mechanism 15, a charging box 16, a second air inlet valve 17, a water-cooling powder scraper 18, a charging box cover 19 and a third air inlet valve 20, wherein the center inside of the charging box 16 is provided with the water-cooling powder scraper 18 for scraping powder, the top of the furnace body 1 is communicated with a process gas storage tank through the third air inlet valve 20 and a pipeline, the process gas storage tank is also respectively communicated with the transition collector 6 and the charging box 16 through the first air inlet valve 10 and the second air inlet valve 17, and the pipeline respectively for introducing process gas, the central part of the two sides of the furnace body 1 is vertically embedded with a cathode compensation mechanism 3 and an anode compensation mechanism 15, the output ends of the cathode compensation mechanism 3 and the anode compensation mechanism 15 are respectively and fixedly provided with a cathode bar 2 and an anode bar 4, the cathode compensation mechanism 3 and the anode compensation mechanism 15 are both horizontally arranged electric push rods, the output ends of the electric push rods are respectively and fixedly connected with the cathode bar 2 and the anode bar 4 through bolt sleeves, so that the cathode bar 2 and the anode bar 4 can be conveniently moved, the anode compensation mechanism 15 is also vertically embedded and arranged at one side of a charging box 16 and is positioned at one side far away from the furnace body 1, one side of the charging box 16 close to the furnace body 1 is provided with a feed valve 14, the axis of the output end of the anode compensation mechanism 15 and the axes of the cathode compensation mechanism 3 and the feed valve 14 are all on the same horizontal line, the stability of the working process is ensured, a first-stage discharge valve 5 is arranged at the discharge port, the bottom of the first-stage discharge valve 5 is also connected with a transition collector 6, the bottom of the transition collector 6 is communicated with a terminal collector 8 through a second-stage discharge valve 7, one side of the transition collector 6 is also communicated with a vacuum pump 11 through a first vacuum-pumping valve 9 and a pipeline, the vacuum pump 11 is respectively communicated with the furnace body 1 and a charging box 16 through a pipeline, a second vacuum-pumping valve 12 and a third vacuum-pumping valve 13 are respectively arranged on the pipeline, a charging box cover 19 is arranged at the top of the charging box 16, and a plurality of pre-installed anode rods are horizontally stacked in the charging box 16; when the utility model is used, the material box cover 19 is opened to place the anode bar 4 which is pre-installed in the material box 16; starting a vacuum pump 11, respectively opening a first vacuumizing valve 9, a second vacuumizing valve 12 and a third vacuumizing valve 13, and exhausting air in the furnace body 1, the transition collector 6 and the charging box 16; closing the first vacuumizing valve 9, the second vacuumizing valve 12 and the third vacuumizing valve 13, opening the first air inlet valve 10, the second air inlet valve 17 and the third air inlet valve 20, and filling process gas into the furnace body 1, the transition collector 6 and the charging box 16; the feeding valve 14 is opened, and the anode compensation mechanism 15 sends the pre-assembled anode rod 4 to the position of the anode rod 4 to generate a discharge arc with the cathode rod 2; the cathode compensation mechanism 3 is used for compensating the distance generated by the loss of the cathode rods 2; the nano powder generated by the electric arc is deposited when meeting the water-cooled powder scraper 18 and is scraped to the bottom of the furnace body 1; opening a primary discharge valve 5, and allowing the nano powder to fall into a transition collector 6; closing the primary discharge valve 5, opening the secondary discharge valve 7, and allowing the nano powder to fall into a terminal collector 8; and closing the secondary discharge valve 7, and taking down the terminal collector 8 to obtain the nano powder.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides an electric arc furnace of continuous production nanometer powder, includes furnace body (1), cathode bar (2), negative pole compensation mechanism (3), anode bar (4), one-level baiting valve (5), transition collector (6), second grade baiting valve (7), terminal collector (8), first evacuation valve (9), first admission valve (10), vacuum pump (11), second evacuation valve (12), third evacuation valve (13), feed valve (14), positive pole compensation mechanism (15), feed box (16), second admission valve (17), powder ware (18) are scraped to water-cooling, feed box lid (19) and third admission valve (20), its characterized in that: the central authorities of both sides of furnace body (1) are embedded perpendicularly and are installed cathode compensation mechanism (3) and positive pole compensation mechanism (15), and the output of cathode compensation mechanism (3) and positive pole compensation mechanism (15) respectively fixed mounting have cathode stick (2) and positive pole stick (4), the bottom central authorities of furnace body (1) have seted up the discharge gate, and discharge gate department is provided with one-level baiting valve (5), the bottom of one-level baiting valve (5) still is connected with transition collector (6), and the bottom of transition collector (6) communicates with terminal collector (8) through second grade baiting valve (7), one side of transition collector (6) still communicates with vacuum pump (11) through first evacuation valve (9) and pipeline, vacuum pump (11) communicate with furnace body (1) and feed box (16) respectively through the pipeline, and install second evacuation valve (12) and third evacuation valve (13) on the pipeline respectively, the top of the charging box (16) is provided with a charging box cover (19), and a plurality of pre-installed anode rods (4) are horizontally stacked in the charging box (16).

2. The electric arc furnace for continuously producing nano-powder according to claim 1, wherein: and a water-cooling powder scraper (18) is arranged in the center of the interior of the material loading box (16).

3. The electric arc furnace for continuously producing nano-powder according to claim 1, wherein: the top of the furnace body (1) is communicated with a process gas storage tank through a third air inlet valve (20) and a pipeline, and the process gas storage tank is further communicated with a transition collector (6) and a charging box (16) through a first air inlet valve (10) and a second air inlet valve (17) respectively and the pipeline.

4. The electric arc furnace for continuously producing nano-powder according to claim 1, wherein: the cathode compensation mechanism (3) and the anode compensation mechanism (15) are electric push rods which are horizontally arranged, and the output ends of the electric push rods are fixedly connected with the cathode bar (2) and the anode bar (4) through bolt sleeves.

5. The electric arc furnace for continuously producing nano-powder according to claim 1, wherein: the anode compensation mechanism (15) is also vertically embedded in one side of the material loading box (16) and located in one side far away from the furnace body (1), the material loading box (16) is provided with the feed valve (14) in one side close to the furnace body (1), and the axis of the output end of the anode compensation mechanism (15) and the axes of the cathode compensation mechanism (3) and the feed valve (14) are all on the same horizontal line.

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