CN110788341A

CN110788341A - Rectifying device for recycling metal powder by gravity method

Info

Publication number: CN110788341A
Application number: CN201911205250.8A
Authority: CN
Inventors: 程敬卿; 王蓉蓉
Original assignee: WUHU DINGHENG MATERIALS TECHNOLOGY Co Ltd
Current assignee: WUHU DINGHENG MATERIALS TECHNOLOGY Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-02-14

Abstract

The invention relates to a rectifying device for recovering metal powder by a gravity method, which comprises a spray disk, wherein a plurality of oblique ventilation channels are formed in the spray disk and are used for forming vortex-shaped whirlwind, a ceramic leakage nozzle for feeding metal stock solution penetrates through the interior of the spray disk, and the whirlwind formed by the spray disk atomizes the metal stock solution to form metal powder which is sprayed into a subsequent screening bin to be screened by the gravity method. According to the invention, the first air outlet pipe and the second air outlet pipe which are obliquely arranged and are arranged towards the axis are annularly arranged near the central axis of the inner parts of the first disc and the second disc, and the first air outlet pipe and the second air outlet pipe are used for injecting oblique nitrogen, so that the nitrogen forms vortex-shaped whirlwind near the outlets of the ceramic discharge spouts in the centers of the first disc and the second disc, and metal stock solution sprayed out of the ceramic nozzles is atomized into metal powder and sprayed out by the vortex-shaped whirlwind, so that the spraying effect of the spraying disc is increased, and the problem that the original metal stock solution cannot be sprayed out after being cooled is solved.

Description

Rectifying device for recycling metal powder by gravity method

Technical Field

The invention relates to the field of metal powder processing, in particular to a rectifying device for recovering metal powder by a gravity method.

Background

Sieving metal powder by a gravity method: the traditional method adopts metal ore to smelt into corresponding metal stock solution, and then the metal stock solution is atomized by a high-pressure spraying device to form metal powder, and the metal powder is sprayed into a screening bin along with the metal powder to screen the particle grade.

High-pressure injection apparatus is because inside spout the straight hole of dish and set up unreasonablely, can't carry out accurate atomizing and spout away to metal stoste in ceramic tip exit, leads to metal stoste to be unable near ceramic tip to spray and go out to block up ceramic tip, can't accomplish the screening.

Disclosure of Invention

The invention provides a rectifying device for recycling metal powder by a gravity method, aiming at meeting the requirements of a high-pressure spraying device of a screening bin for accurately and efficiently atomizing a metal stock solution into metal powder and spraying the metal powder.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

the utility model provides a gravity method is retrieved fairing for metal powder, includes that inside sets up the dish that spouts that a plurality of slant ventilation passageway is used for forming the vortex whirlwind, should spout the inside of dish and run through the ceramic tip that is used for the feeding of metal stoste, and the whirlwind that should spout the dish formation atomizes metal stoste and forms metal powder and sprays into in subsequent screening storehouse through the gravity method screening.

The spraying plate comprises a first plate and a second plate, the first plate and the second plate are mutually overlapped and fixed through bolts, and the first plate is fixed on the screening bin through bolts.

First dish is including the first air-supply line that the surface was seted up, first air-supply line passes through the first communicating channel intercommunication that first dish inside was seted up has the first play tuber pipe that a plurality of slant set up, a plurality of first play tuber pipe is oblique side direction setting and to the axis of first dish is drawn close.

The second dish is including the second air-supply line that the surface was seted up, the second air-supply line passes through the inside second intercommunication passageway intercommunication of seting up of second dish has the second play tuber pipe that a plurality of slant set up, a plurality of the second goes out the tuber pipe and is oblique side direction setting and to the axis of second dish is drawn close.

And the centers of the first disc and the second disc are respectively provided with a first central hole and a second central hole, and the first central hole and the second central hole are penetrated by the ceramic discharge spout.

A plurality of mounting holes are formed in the surface of the first disc and used for fixing the first disc on the surface of the screening bin through bolts.

The first disc and the second disc are respectively provided with a first aligning hole and a second aligning hole on the surfaces, and the first aligning hole and the second aligning hole are fixed with each other through bolts.

The invention has the beneficial effects that:

according to the invention, the first air outlet pipe and the second air outlet pipe which are obliquely arranged and are arranged towards the axis are annularly arranged near the central axis of the inner parts of the first disc and the second disc, and the first air outlet pipe and the second air outlet pipe are used for injecting oblique nitrogen, so that the nitrogen forms vortex-shaped whirlwind near the outlets of the ceramic discharge spouts in the centers of the first disc and the second disc, and metal stock solution sprayed out of the ceramic nozzles is atomized into metal powder and sprayed out by the vortex-shaped whirlwind, so that the spraying effect of the spraying disc is increased, and the problem that the original metal stock solution cannot be sprayed out after being cooled is solved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a first disk of the present invention;

FIG. 3 is a second schematic view of the present invention;

FIG. 4 is a first schematic cross-sectional view of the present invention;

FIG. 5 is a schematic cross-sectional view of the present invention.

In the figure: 1. a first disk; 11. a first central aperture; 12. a first air inlet pipe; 13. a first communicating channel 14 and a first air outlet pipe; 15. mounting holes; 16. a first mating hole; 2. a second disc; 21. a second central aperture; 22. a second air inlet pipe; 23. a second communicating channel 24 and a second air outlet pipe; 25. a second docking hole; 3. ceramic discharge spout.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be described more clearly and more completely with reference to the drawings in the following embodiments, and it is understood that the described embodiments are only a part of the present invention, rather than all of the present invention, and based on the embodiments, other embodiments obtained by those skilled in the art without inventive exercise are within the protection scope of the present invention.

As shown in fig. 1 to 5, a rectifying device for recovering metal powder by a gravity method comprises a spray disk, wherein a plurality of oblique ventilation channels are formed in the spray disk for forming vortex-shaped whirlwind, a ceramic discharge spout 3 for feeding metal stock solution penetrates through the interior of the spray disk, and the whirlwind formed by the spray disk atomizes the metal stock solution to form metal powder which is sprayed into a subsequent screening bin for screening by the gravity method.

Spout the dish and include first dish 1 and second dish 2, first dish 1 and second dish 2 superpose each other and pass through bolt fastening, and first dish 1 passes through bolt fastening on the screening storehouse.

The first dish 1 includes first air-supply line 12 that the surface was seted up, and first air-supply line 12 has the first play tuber pipe 14 that a plurality of slant set up through the inside first intercommunication passageway 13 intercommunication that sets up of first dish 1, and the first play tuber pipe 14 of a plurality of is the slant side direction setting and draws close to the axis of first dish 1. A plurality of first air outlet pipes 14 are annularly distributed near the first central hole 11, nitrogen is led into the first air inlet pipe 12 through a nitrogen pipe, is guided to the first air outlet pipe 14 through a first communication channel 13 and is sprayed out from the first air outlet pipes 14, and the nitrogen is sprayed out along the oblique side direction because the inside of the first air outlet pipe 14 is obliquely arranged, and finally is converged at the ceramic discharge spout 3 to form a vortex cyclone

The second dish 2 includes the second air-supply line 22 that the surface was seted up, and second air-supply line 22 has the second play tuber pipe 24 that a plurality of slant set up through the inside second intercommunication passageway 23 intercommunication that sets up of second dish 2, and a plurality of second play tuber pipe 24 is oblique side direction setting and draws close to the axis of second dish 2. Like last a plurality of second play tuber pipe 24 annular distribution near second centre bore 21, nitrogen gas leads to the inside of second air-supply line 22 through the nitrogen pipe to through second intercommunication passageway 23 direction second play tuber pipe 24, spout from a plurality of second play tuber pipe 24, because the inside skew side setting that is of second play tuber pipe 24, thereby nitrogen gas is along the blowout of skew side, finally joins at ceramic nozzle 3 department and forms the vortex form whirlwind.

The centers of the first disc 1 and the second disc 2 are respectively provided with a first central hole 11 and a second central hole 21, and the first central hole 11 and the second central hole 21 are penetrated by the ceramic discharge spout 3. The first central hole 11 and the second central hole 21 are arranged for the penetration of the ceramic discharge spout 3, and the metal stock solution is introduced on the central axis of the spray disk, atomized by the vortex-shaped cyclone formed by the nitrogen gas which is obliquely positioned at the periphery of the central axis and sprayed out.

A plurality of mounting hole 15 has been seted up on the surface of first dish 1, and mounting hole 15 is used for the bolt to fix first dish 1 on screening storehouse surface. The mounting holes 15 are provided for fixing the first disc 1 to a mounting disc of the screening chamber, thereby fixing the spray disc to the screening chamber.

The first and second coupling holes 16 and 25 are respectively opened on the surfaces of the first and second disks 1 and 2, and the first and second disks 1 and 2 are fixed by bolts between the first and second coupling holes 16 and 25. First dish 1 and second dish 2 are fixed to when guaranteeing to let in nitrogen gas, first centre bore 11 and second centre bore 21 align between first dish 1 and the second dish 2, also guarantee simultaneously when first dish 1 is fixed on the mounting disc in screening storehouse, second dish 2 is also fixed on the screening storehouse, avoids the possibility that second dish 2 dropped.

During installation, the first butt joint hole 16 and the second butt joint hole 25 of the first disc 1 and the second disc 2 are penetrated through and screwed through bolts, so that the first disc 1 and the second disc 2 are fixed, then the second disc 2 faces the screening bin direction, the bolt penetrates through the installation hole 15 of the first disc 1 and is screwed with the side face of the screening bin, the first disc 1 and the screening bin clamp the second disc 2 in the middle, so that the first disc 1 and the second disc 2 are both installed on the screening bin, the assembly of the spray disc is completed, then the first air inlet pipe 12 and the second air inlet pipe 22 of the first disc 1 and the second disc 2 are butted through the guide pipes which uniformly penetrate through nitrogen, so that the nitrogen is injected into the guide pipes, and the installation of the spray disc on the screening bin is completed.

When in use, firstly, the ceramic discharge spout 3 is inserted into the first central hole 11 and the second central hole 21 in the centers of the first disk 1 and the second disk 2, the ceramic discharge spout 3 is butted with the ceramic discharge spout 3 on the mounting disk of the screening bin, the butting of the two ensures the smoothness of the inner through hole, then the smelted metal stock solution is led into the ceramic discharge spout 3, and is injected into the screening bin through the ceramic discharge spout 3, nitrogen is started, the nitrogen is injected into the first air inlet pipe 12 of the first disk 1 and the second air inlet pipe 22 of the second disk 2 through a conduit, and is obliquely sprayed out from the first air outlet pipe 14 along the first air inlet pipe 12 of the first disk 1 through the first communicating channel 13, meanwhile, part of the nitrogen is obliquely sprayed out from the second air outlet pipe 24 along the second air inlet pipe 22 of the second disk 2 through the second communicating channel 23, a plurality of groups of obliquely sprayed nitrogen are converged on the outer wall of the ceramic discharge spout 3 to form vortex-shaped cyclone, and drives the metal stock solution sprayed out of the ceramic discharge spout 3 to be atomized, and simultaneously sends the atomized metal stock solution into a screening bin to be screened.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A rectifying device for recovering metal powder by a gravity method is characterized in that: including inside offer a plurality of slant ventilation passageway be used for forming the dish that spouts of vortex form whirlwind, should spout the inside ceramic tip (3) that are used for the feeding of metal stoste that runs through of dish, the whirlwind that should spout the dish formation cools off the metal stoste and forms metal powder and sprays into in subsequent screening storehouse through the gravity method screening.

2. The rectifying device for gravitationally recycling metal powder according to claim 1, wherein: spout the dish and include first dish (1) and second dish (2), first dish (1) with second dish (2) superpose each other and pass through the bolt fastening, first dish (1) pass through the bolt fastening on the screening storehouse.

3. The rectifying device for gravitationally recycling metal powder according to claim 2, wherein: first dish (1) is including first air-supply line (12) that the surface was seted up, first air-supply line (12) are passed through first intercommunication passageway (13) intercommunication that first dish (1) inside was seted up have first play tuber pipe (14), a plurality of that a plurality of slant set up first play tuber pipe (14) are oblique side direction setting and to the axis of first dish (1) is drawn close.

4. The rectifying device for gravitationally recycling metal powder according to claim 2, wherein: second dish (2) are including second air-supply line (22) that the surface was seted up, second air-supply line (22) pass through second intercommunication passageway (23) intercommunication that second dish (2) inside was seted up have second play tuber pipe (24) that a plurality of slant set up, a plurality of second play tuber pipe (24) are oblique side direction setting and to the axis of second dish (2) is drawn close.

5. The rectifying device for gravitationally recycling metal powder according to claim 2, wherein: the center of the first disc (1) and the center of the second disc (2) are respectively provided with a first center hole (11) and a second center hole (21), and the first center hole (11) and the second center hole (21) are penetrated by the ceramic discharge spout (3).

6. The rectifying device for gravitationally recycling metal powder according to claim 2, wherein: a plurality of mounting holes (15) are formed in the surface of the first disc (1), and the mounting holes (15) are used for fixing the first disc (1) on the surface of the screening bin through bolts.

7. The rectifying device for gravitationally recycling metal powder according to claim 2, wherein: first butt joint hole (16) and second butt joint hole (25) have been seted up respectively to the surface of first dish (1) and second dish (2), pass through the bolt between first butt joint hole (16) and second butt joint hole (25) with first dish (1) with second dish (2) are fixed mutually.