Powder fluidization nozzle

Abstract

The utility model relates to a powder fluidization nozzle which comprises a nozzle body, a microwell plate and a fixing ring. A sinking groove is formed in the position, on the periphery of the air outlet channel, of an air outlet end opening of the nozzle body. The microporous plate is arranged in the sinking groove and just covers an air outlet of the air outlet channel, the microporous plate is of a conical structure or one end, close to the outer end face, of the microporous plate is of a conical structure, so that the diameter of the outer end face of the microporous plate is smaller than that of the inner end face of the microporous plate, and an annular assembly groove is formed between the microporous plate and the sinking groove; the fixing ring is arranged in the annular assembling groove, the inner side wall of the fixing ring makes contact with the microwell plate, the outer side wall of the fixing ring is fixedly connected with the nozzle body, and the microwell plate is pressed and fixed in the sinking groove through the fixing ring; and the outer end surfaces of the fixing ring, the microporous plate and the sinking groove are positioned on the same horizontal plane. According to the nozzle, powder can be prevented from entering the nozzle, meanwhile, due to the design of the horizontal end face, the powder cannot be located at the end opening of the nozzle, and the quality of each batch of powder is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of metal powder processing device, concretely relates to a powder fluidization nozzle. BACKGROUND

[0002] In the production process of the rare earth permanent magnet industry, the airflow mill equipment plays a vital role. The nozzle is provided on the airflow mill equipment, and high-speed airflow is introduced into the equipment through the nozzle to crush and grind the rare earth permanent magnet material. The gas outlet port of the existing nozzle is directly communicated with the inside of the equipment. After the equipment is stopped, part of the dust will enter the nozzle through the nozzle port. If it is not cleaned in time, the powder accumulated in the nozzle will mix into the next batch of powder, affecting the product quality.

[0003] Chinese patent CN 110234435 B discloses "a nozzle with a filter, a gasification composite power generation device, and a method for dismounting the filter in the nozzle with the filter", which sets a filter at the nozzle. However, the nozzle with the filter is not suitable for the powder fluidization equipment because the filter protrudes from the nozzle and has a groove at the filter port, which is easy to accumulate powder. SUMMARY

[0004] To solve the above technical problems, the utility model provides a powder fluidization nozzle, which is provided with a microporous plate horizontal to the end face of the nozzle at the gas outlet port. The microporous plate is used to filter the powder, which can prevent the powder from entering the nozzle and ensure the quality of each batch of powder.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A powder fluidization nozzle comprises a nozzle body, a microporous plate, and a fixing ring. The gas outlet port of the nozzle body is provided with a sink groove around the gas outlet channel. The microporous plate is arranged in the sink groove and covers the gas outlet of the gas outlet channel. The microporous plate is in a conical structure or the end close to the outer end face of the microporous plate is in a conical structure, so that the diameter of the outer end face of the microporous plate is smaller than the diameter of the inner end face of the microporous plate. An annular assembly groove is arranged between the microporous plate and the sink groove. The fixing ring is arranged in the annular assembly groove, the inner side wall of the fixing ring is in contact with the microporous plate, and the outer side wall of the fixing ring is fixedly connected with the nozzle body. The microporous plate is press-fitted and fixed in the sink groove through the fixing ring. The outer end face of the fixing ring, the microporous plate, and the sink groove are in the same horizontal plane.

[0007] As a preferred embodiment of the utility model, the diameter of the microporous plate is smaller than the inner diameter of the sink groove.

[0008] As a preferred embodiment of the utility model, the fixing ring is fixed on the nozzle body by welding.

[0009] As the preferred of the utility model, the nozzle body is a straight nozzle, that is, the air inlet and the air outlet of the air outlet channel are on the same straight line.

[0010] As the preferred of the utility model, the nozzle body is a elbow nozzle, that is, the air inlet and the air outlet of the air outlet channel are not on the same straight line, the included angle between the axis of the air inlet and the axis of the air outlet is obtuse, and the air outlet faces downward.

[0011] The utility model has the advantages and beneficial effects of:

[0012] (1) the nozzle provided by the utility model is provided with a microporous plate horizontal to the nozzle end face at the air outlet port, powder is filtered by the microporous plate, powder can be avoided from entering the nozzle, and the horizontal end face design also avoids powder accumulation at the port of the nozzle, thereby ensuring the quality of each batch of powder.

[0013] (2) the utility model designs two kinds of nozzles, namely a straight nozzle and an elbow nozzle, and the two kinds of nozzles can meet the needs of different equipment, and the elbow nozzle is particularly suitable for equipment with a cleaning system, and the setting of the elbow type can avoid liquid from entering the nozzle interior when the equipment is cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiments will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art; in the drawings:

[0015] Figure 1 It is the plane schematic view of the elbow nozzle of the utility model;

[0016] Figure 2 It is the axonometric view of the elbow nozzle of the utility model;

[0017] Figure 3 It is the sectional view of A-A in the utility model; Figure 1

[0018] Figure 4 It is the plane schematic view of the straight nozzle of the utility model;

[0019] Figure 5 It is the axonometric view of the straight nozzle of the utility model;

[0020] Figure 6 It is the sectional view of B-B in the utility model; Figure 4

[0021] ​​Label: nozzle body 1, micro-hole plate 2, fixed ring 3, air outlet channel 101, sink 102. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0023] In the description of the present application, it should be further explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "connection" should be understood broadly, for example, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, directly connected, or indirectly connected through an intermediate medium, or connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] As shown in Figures 1 to 6 , the powder fluidization nozzle provided by the embodiment includes a nozzle body 1, a micro-hole plate 2, and a fixed ring 3. The air outlet port of the nozzle body 1 is provided with a sink 102 around the air outlet channel 101. The micro-hole plate 2 is arranged in the sink 102 and covers the air outlet port a of the air outlet channel 101. The micro-hole plate 2 is a conical structure or the end close to the outer end face of the micro-hole plate 2 is a conical structure, so that the diameter of the outer end face of the micro-hole plate 2 is smaller than the diameter of the inner end face of the micro-hole plate 2. An annular assembly groove (not labeled) is arranged between the micro-hole plate 2 and the sink 102. The fixed ring 3 is arranged in the annular assembly groove, the inner side wall of the fixed ring 3 is in contact with the micro-hole plate 2, and the outer side wall of the fixed ring 3 is fixedly connected with the nozzle body 1. The micro-hole plate 2 is press-fitted and fixed in the sink 102 through the fixed ring 3. The outer end faces of the fixed ring 3, the micro-hole plate 2, and the sink 102 are in the same horizontal plane.

[0025] Further, in the embodiment, the diameter of the micro-hole plate 2 is smaller than the inner diameter of the sink 102. The fixed ring 3 is fixed on the nozzle body 1 by welding.

[0026] Further, as shown in Figures 1 to 3 , in the embodiment, the nozzle body 1 is an elbow type nozzle, that is, the air inlet port b and the air outlet port a of the air outlet channel 101 are not on the same straight line. The included angle between the axis of the air inlet port b and the axis of the air outlet port a is obtuse, and the air outlet port b faces downward.

[0027] Further, as shown in Figures 4 to 6 , in the embodiment, the nozzle body 1 is a straight nozzle, that is, the air inlet port b and the air outlet port a of the air outlet channel 101 are on the same straight line.

[0028] The two nozzle structures can meet the requirements of different equipment, and the elbow type nozzle is particularly suitable for equipment with a cleaning system.

[0029] The above is the specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A powder fluidization nozzle characterized by, The nozzle body, the microwell plate and the fixing ring are included, wherein the gas outlet port of the nozzle body is provided with a sink in the circumference of the gas outlet channel; the microwell plate is arranged in the sink and covers the gas outlet port of the gas outlet channel, the microwell plate is a conical structure or the end close to the outer end face of the microwell plate is a conical structure, so that the diameter of the outer end face of the microwell plate is smaller than the diameter of the inner end face of the microwell plate, and an annular assembly groove is arranged between the microwell plate and the sink; the fixing ring is arranged in the annular assembly groove, the inner side wall of the fixing ring is in contact with the microwell plate, and the outer side wall of the fixing ring is fixedly connected with the nozzle body, so that the microwell plate is press-fitted and fixed in the sink through the fixing ring; the outer end face of the fixing ring, the microwell plate and the sink are in the same horizontal plane.

2. A powder fluidization nozzle according to claim 1, characterized in that The diameter of the microwell plate is smaller than the inner diameter of the sink.

3. A powder fluidization nozzle according to claim 1, wherein The fixing ring is fixed on the nozzle body by welding.

4. A powder fluidization nozzle according to claim 1, wherein The nozzle body is a straight nozzle, that is, the gas inlet port and the gas outlet port of the gas outlet channel are on the same straight line.

5. A powder fluidization nozzle according to claim 1, wherein The nozzle body is a elbow nozzle, that is, the gas inlet port and the gas outlet port of the gas outlet channel are not on the same straight line, the included angle between the axis of the gas inlet port and the axis of the gas outlet port is an obtuse angle, and the gas outlet port faces downward.

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