Continuous vacuum refining equipment for improving metal purity

Abstract

The utility model relates to the technical field of metal refining equipment, in particular to continuous vacuum refining equipment for improving metal purity, which comprises a stock bin, a spiral feeder arranged at the bottom of the stock bin, a feed hopper fixedly mounted at the discharge end of the spiral feeder, a feeding pipe fixedly mounted at the bottom end of the feed hopper, and a vacuum pump fixedly mounted at the bottom end of the feeding pipe. A second valve is fixedly installed on the feeding pipe, a refining furnace is fixedly installed at the bottom end of the feeding pipe, an internal temperature control heating rod is fixedly installed on the inner wall of the refining furnace, a second vacuum pump is arranged on one side of the refining furnace, the suction end of the second vacuum pump communicates with the refining furnace through a second suction pipe, and a vertical pipe is fixedly installed at the bottom end of the refining furnace; a third valve is fixedly installed on the vertical pipe, a fluid pipe is further fixedly installed on the vertical pipe, a particle filter screen arranged on a pipe body at the end of the fluid pipe in a sleeving mode is fixedly installed on the inner wall of the vertical pipe, and a storage cylinder is fixedly installed at the tail end of the fluid pipe. The vacuum refining device facilitates vacuum refining operation and facilitates improvement of metal purity.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal refining equipment technical field, specifically, related to continuous vacuum refining equipment of promoting metal purity. BACKGROUND

[0002] As a rare alkali metal, rubidium plays an irreplaceable role in aerospace, electronic information, energy storage and other frontier fields due to its excellent photoelectric performance and chemical activity. With the rapid development of science and technology, these fields have put forward extremely strict requirements on the purity of rubidium and cesium metals. Vacuum refining technology, as a key means to improve metal purity, can effectively remove volatile impurities and gases in metals, greatly improving the physical and chemical properties of metals. However, the existing vacuum refining equipment for rubidium and cesium metals gradually exposes many limitations when facing high-precision and large-scale production demands.

[0003] The feeding system of traditional rubidium and cesium metal vacuum refining equipment usually lacks continuity and sealing. Some equipment uses manual intermittent feeding method, which not only has low efficiency, but also easily mixes air into the refining environment during feeding, causing rubidium and cesium metals to be oxidized, which seriously affects product quality.

[0004] In terms of impurity separation and collection, traditional equipment lacks effective filtering and collecting mechanism. Since rubidium and cesium metals become liquid at temperatures above 40 degrees, direct unloading using traditional pipelines will cause impurities and liquid rubidium and cesium metals to mix together. Without components that can filter and block impurities, the purity of the subsequently prepared rubidium metal will be affected. In view of this, we propose a continuous vacuum refining equipment for improving metal purity. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a continuous vacuum refining equipment for improving metal purity to solve the defects proposed in the background technology.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a continuous vacuum refining equipment of lifting metal purity, including bin, the bottom of bin is provided with screw feeder, the discharge end of screw feeder is fixedly installed with feed hopper, the bottom of feed hopper is fixedly installed with feeding pipe, fixedly installed with second valve on feeding pipe, the bottom of feeding pipe is fixedly installed with refining furnace, fixedly installed with inner temperature control heating rod on the inner wall of refining furnace, one side of refining furnace is provided with second vacuum pump, the suction end of second vacuum pump is linked with refining furnace through second suction pipe, the bottom of refining furnace is fixedly installed with vertical pipe, fixedly installed with third valve on vertical pipe, also fixedly installed with fluid pipe on vertical pipe, fluid pipe is located the top of third valve, fixedly installed with granule screen on the inner wall of vertical pipe and is encased in the end of fluid pipe pipe body, the end of fluid pipe is fixedly installed with storage cylinder.

[0008] Preferably, the top plate of the bin is provided with a feed hole, and a sealing door for sealing the feed hole is hinged to the top surface of the bin.

[0009] Preferably, a first vacuum pump is fixedly installed on the top plate of the bin, and the suction end of the first vacuum pump is communicated with the bin through a first suction pipe.

[0010] Preferably, a feed pipe is fixedly installed at the bottom end of the bin and fixedly installed at the feed end of the screw feeder.

[0011] Preferably, a first valve is fixedly installed on the feed pipe, and two mutually symmetrical support beams are fixedly installed on the refining furnace.

[0012] Preferably, an exhaust pipe is fixedly installed on the storage cylinder, and a fourth valve is fixedly installed on the exhaust pipe.

[0013] Preferably, a stirring motor is arranged above the refining furnace, the output shaft of the stirring motor is fixedly installed with a stirring shaft arranged vertically, the stirring shaft is fixedly installed with stirring blades, the stirring shaft penetrates through the top plate of the refining furnace and is rotatably connected with the top plate of the refining furnace, and the stirring blades are arranged in the refining furnace.

[0014] Preferably, a beam plate is arranged above the refining furnace, the stirring motor is fixedly installed on the beam plate, and a mechanical seal is arranged between the top plate of the refining furnace and the stirring shaft.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The utility model discloses a material bin, sealing door, first vacuum pump and matched feed pipe and screw feeder are set up, realized batch storage of material, stable delivery to maintain the vacuum environment in the material bin, can carry out continuous vacuum refining operation in one processing flow, avoid the oxidation pollution of material in the early link, reach the effect of providing pure raw material for subsequent refining.

[0017] 2. The utility model discloses the internal temperature control heating rod in the refining furnace, stirring motor and stirring device, collocating second vacuum pump, realized the uniform heating of the material in the furnace, sufficient stirring and the stable vacuum refining environment creation of the furnace, accelerate the impurity escape and separation, reach the effect of improving refining efficiency and metal purity.

[0018] 3. The utility model discloses the discharge system that utilizes vertical pipe, particle filter screen, fluid pipe and storage cylinder, cooperates with the corresponding valve of external exhaust pipe, realized the effective separation of refined metal and impurity, the storage collection of pure metal and the use on demand, reached the effect of optimizing the discharge flow, convenient subsequent production uses. DRAWINGS

[0019] Figure 1 It is the whole structure schematic view of the utility model;

[0020] Figure 2 It is one of partial structure schematic view of the utility model;

[0021] Figure 3 It is the second of partial structure schematic view of the utility model;

[0022] Figure 4 It is the sectional view of vertical pipe, fluid pipe and particle filter screen of the utility model;

[0023] The meaning of each reference numeral in the drawing is as follows:

[0024] 1, material bin;10, feed hole;11, sealing door;12, first vacuum pump;121, first suction pipe;13, feed pipe;131, first valve;14, screw feeder;

[0025] 2, feed hopper;20, feeding pipe;201, second valve;21, refining furnace;22, support beam;221, second vacuum pump;222, second suction pipe;23, mechanical seal;24, internal temperature control heating rod;25, vertical pipe;251, third valve;252, particle filter screen;26, fluid pipe;27, storage cylinder;271, external exhaust pipe;272, fourth valve;28, beam plate;29, stirring motor;291, stirring shaft;292, stirring blade. DETAILED DESCRIPTION

[0026] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0027] Please refer to Figures 1-4 The present application provides a technical solution: a continuous vacuum refining equipment for improving metal purity, which comprises a stock bin 1, which can realize batch storage of raw materials; the bottom of the stock bin 1 is provided with a spiral feeder 14, the discharge end of the spiral feeder 14 is fixedly installed with a feed hopper 2, and the spiral feeder 14 can stably convey the materials in the stock bin 1 into the feed hopper 2; the bottom end of the stock bin 1 is fixedly installed with a feed pipe 13, and the feed pipe 13 is fixedly installed at the feed end of the spiral feeder 14; the feed pipe 13 is fixedly installed with a first valve 131, which can control the materials to enter the spiral feeder 14; the top plate of the stock bin 1 is provided with a feed hole 10, and the top surface of the stock bin 1 is hingedly connected with a sealing door 11 for sealing the feed hole 10, so that the raw materials can be conveniently added, and the sealing door 11 can maintain the sealing property of the inside of the stock bin 1 after being closed; the top plate of the stock bin 1 is fixedly installed with a first vacuum pump 12, the suction end of the first vacuum pump 12 is connected with the stock bin 1 through a first suction pipe 121, and the first vacuum pump 12 can vacuumize the stock bin 1 through the first suction pipe 121, so as to avoid the oxidation of the materials during storage and conveying and ensure the purity of the materials entering the refining link.

[0028] In the present embodiment, the bottom end of the feed hopper 2 is fixedly installed with a feeding pipe 20, the feeding pipe 20 is fixedly installed with a second valve 201, the second valve 201 can control the timing of the materials entering the refining furnace 21; the bottom end of the feeding pipe 20 is fixedly installed with the refining furnace 21, the inner wall of the refining furnace 21 is fixedly installed with an internal temperature control heating rod 24, which can realize accurate heating of the materials in the furnace, ensure uniform temperature, and promote effective separation of impurities; one side of the refining furnace 21 is provided with a second vacuum pump 221, the suction end of the second vacuum pump 221 is connected with the refining furnace 21 through a second suction pipe 222, and the second vacuum pump 221 can vacuumize the refining furnace 21 through the second suction pipe 222, so as to create a vacuum refining environment and accelerate the discharge of volatile impurities.

[0029] Specifically, the upper part of the refining furnace 21 is provided with a stirring motor 29, the output shaft end of the stirring motor 29 is fixedly installed with a stirring shaft 291 arranged vertically, the stirring shaft 291 is fixedly installed with stirring blades 292, the stirring shaft 291 penetrates through the top plate of the refining furnace 21 and is rotatably connected with the top plate of the refining furnace 21, the stirring blades 292 are located in the refining furnace 21, the output shaft of the stirring motor 29 drives the stirring shaft 291 and the stirring blades 292 to rotate, the materials in the furnace are stirred, the materials are heated more uniformly, the impurities are escaped, and the refining efficiency and purity are improved; the upper part of the refining furnace 21 is provided with a beam plate 28, the stirring motor 29 is fixedly installed on the beam plate 28, which has the effect of stably supporting the stirring motor 29; the mechanical seal 23 is arranged between the top plate of the refining furnace 21 and the stirring shaft 291, the mechanical seal 23 is arranged to prevent external air from entering the refining furnace 21 and maintain the stability of the vacuum environment in the furnace.

[0030] Further, the bottom end of the refining furnace 21 is fixedly installed with a vertical pipe 25, the vertical pipe 25 is fixedly installed with a third valve 251, the vertical pipe 25 at the bottom end of the refining furnace 21 is used for discharging the waste materials after refining; the vertical pipe 25 is also fixedly installed with a fluid pipe 26, the fluid pipe 26 is located above the third valve 251, the inner wall of the vertical pipe 25 is fixedly installed with a particle filter screen 252 sleeved on the end pipe body of the fluid pipe 26, the end of the fluid pipe 26 is fixedly installed with a storage cylinder 27, the particle filter screen 252 can filter the particle impurities in the materials to ensure that the materials entering the fluid pipe 26 are pure and improve the purity of the metal, and the filtered materials are transported to the storage cylinder 27 for storage.

[0031] In addition, the refining furnace 21 is fixedly installed with two upper and lower symmetrical support beams 22, the support beams 22 are installed on the refining furnace 21 to stabilize the refining furnace 21 and ensure the safe operation of the equipment.

[0032] It is worth noting that the storage cylinder 27 is fixedly installed with an external discharge pipe 271, the external discharge pipe 271 is fixedly installed with a fourth valve 272, which facilitates the taking out of the stored pure metal according to the needs for subsequent production links.

[0033] It is worth noting that in one production process, the continuous feeding can be realized by using the screw feeder 14, the raw materials enter the refining furnace 21 for continuous reaction, the liquid rubidium metal after reaction enters the storage cylinder 27 through the particle filter screen 252, the impurities are blocked on the particle filter screen 252, and the second vacuum pump 221 is used for suction to realize the discharge of the gas and volatile impurities in the production process, realize the continuous vacuum refining operation, when one process is completed, the third valve 251 is opened, and the impurities in the internal are discharged outward along the vertical pipe 25.

[0034] Finally, it needs to be explained that the spiral feeder 14, the first vacuum pump 12, the second vacuum pump 221, the stirring motor 29 and the internal temperature control heating rod 24 and other components involved in the utility model are all general standard components or components known to those skilled in the art, the structure and principle of which can be known by the technical personnel through the technical manual or through the conventional experimental method, at the idle place of the device, all the electrical components described above, the power elements, electrical components and the adapted controller and power supply are connected through the wire, the specific connection means should refer to the working principle in the utility model, the electrical components are connected according to the working order, and the detailed connection means are all the known technology in the art.

[0035] The continuous vacuum refining equipment for improving the purity of metal in the utility model is used, first, the sealing door 11 at the top of the stock bin 1 is opened, the raw materials are added into the stock bin 1 in batches through the feeding hole 10, then the sealing door 11 is closed, the first vacuum pump 12 is started, the stock bin 1 is pumped through the first suction pipe 121, and the material is prevented from being oxidized.

[0036] The material enters the refining furnace 21 under the control of the second valve 201 from the feeding hopper 2 through the feeding pipe 20, the internal temperature control heating rod 24 is started to heat the material accurately, and the second vacuum pump 221 is pumped through the second suction pipe 222 to create a vacuum environment, the stirring motor 29 drives the stirring shaft 291 and the stirring blade 292 to rotate, and the impurities are accelerated to escape.

[0037] The refined liquid metal passes through the particle filter screen 252 in the vertical pipe 25 and enters the storage cylinder 27 for storage through the fluid pipe 26, the impurities are intercepted at the filter screen, when a production process is finished, the third valve 251 is opened, the remaining impurities in the refining furnace 21 are discharged through the vertical pipe 25, and the subsequent pure metal in the storage cylinder 27 can be taken out from the outer discharge pipe 271 according to the need.

[0038] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, the above examples and descriptions in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A continuous vacuum refining plant for improving the purity of a metal, comprising a vessel (1), characterised in that: The bottom of the bunker (1) is provided with a spiral feeder (14), the discharge end of the spiral feeder (14) is fixedly installed with a feeding hopper (2), the bottom end of the feeding hopper (2) is fixedly installed with a feeding pipe (20), the feeding pipe (20) is fixedly installed with a second valve (201), the bottom end of the feeding pipe (20) is fixedly installed with a refining furnace (21), the inner wall of the refining furnace (21) is fixedly installed with an inner control temperature heating rod (24), one side of the refining furnace (21) is provided with a second vacuum pump (221), the suction end of the second vacuum pump (221) and the refining furnace (21) are communicated through a second suction pipe (222), the bottom end of the refining furnace (21) is fixedly installed with a vertical pipe (25), the vertical pipe (25) is fixedly installed with a third valve (251), the vertical pipe (25) is also fixedly installed with a fluid pipe (26), the fluid pipe (26) is located above the third valve (251), the inner wall of the vertical pipe (25) is fixedly installed with a particle filter screen (252) sleeved on the end pipe body of the fluid pipe (26), the distal end of the fluid pipe (26) is fixedly installed with a storage cylinder (27).

2. The continuous vacuum refining apparatus for upgrading metal purity according to claim 1, characterized by: The top plate of the bunker (1) is provided with a feeding hole (10), and the top surface of the bunker (1) is hinged with a sealing door (11) for sealing the feeding hole (10).

3. The continuous vacuum refining apparatus for upgrading metal purity according to claim 1, characterized by: The top plate of the bunker (1) is fixedly installed with a first vacuum pump (12), and the suction end of the first vacuum pump (12) and the bunker (1) are communicated through a first suction pipe (121).

4. The continuous vacuum refining apparatus for upgrading metal purity according to claim 1, characterized by: The bottom end of the bunker (1) is fixedly installed with a feeding pipe (13), and the feeding pipe (13) is fixedly installed at the feeding end of the spiral feeder (14).

5. The continuous vacuum refining apparatus for upgrading metal purity according to claim 4, characterized by: The feeding pipe (13) is fixedly installed with a first valve (131), and the refining furnace (21) is fixedly installed with two upper and lower symmetrical support beams (22).

6. The continuous vacuum refining apparatus for upgrading metal purity according to claim 1, characterized by: The storage cylinder (27) is fixedly installed with an external discharge pipe (271), and the external discharge pipe (271) is fixedly installed with a fourth valve (272).

7. The continuous vacuum refining apparatus for upgrading metal purity according to claim 1, characterized by: The top of the refining furnace (21) is provided with a stirring motor (29), the output shaft distal end of the stirring motor (29) is fixedly installed with a stirring shaft (291) arranged vertically, the stirring shaft (291) is fixedly installed with stirring blades (292), the stirring shaft (291) penetrates through the top plate of the refining furnace (21) and is rotatably connected between the top plate of the refining furnace (21), and the stirring blades (292) are located in the refining furnace (21).

8. The continuous vacuum refining apparatus for upgrading metal purity according to claim 7, characterized by: The top of the refining furnace (21) is provided with a beam plate (28), the stirring motor (29) is fixedly installed on the beam plate (28), and a mechanical seal (23) is arranged between the top plate of the refining furnace (21) and the stirring shaft (291).

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