Novel steam powder machine

Abstract

The utility model relates to a novel steam mill, and belongs to the technical field of milling equipment. A novel steam powder machine comprises a circular powder grinding cavity and a cover plate arranged on the upper end face of the powder grinding cavity. A feeding pipe and a discharging opening are arranged on the cover plate; wear-resistant lining plates are arranged on the inner bottom surface and the inner side arc surface of the grinding cavity; the wear-resistant lining plate is tightly pressed and fixed by using a wear-resistant pressing block; a gas pressure-equalizing chamber is arranged at the outer circle position of the grinding cavity, a plurality of nozzles are arranged on the inner side face of the gas pressure-equalizing chamber, and a grinding gas inlet is formed in the outer side face of the gas pressure-equalizing chamber. The durability of the steam powder machine is improved, and parts are not prone to being damaged.

Description

Technical Field

[0001] The utility model relates to a novel steam pulverizer, belonging to the technical field of pulverizing equipment. Background Art

[0002] Steam pulverizer, whose full name is steam flow pulverizer, or it can also be called steam flow mill, jet mill or fluid energy mill, is a device that uses the energy of high-speed air flow or superheated steam to make particles impact, collide and rub against each other to achieve ultra-fine grinding or deagglomeration.

[0003] Airflow grinding principle: superheated steam is accelerated into supersonic airflow through the injection pipe. The high-speed jet drives the material into the grinding chamber. A liner for grinding is set in the grinding chamber. During the high-speed movement, the material collides to achieve the effect of grinding.

[0004] We found that the nozzle of the current grinding mill is installed as a fixed structure, which is more prone to damage during use. Utility Model Content

[0005] The utility model aims to provide a novel steam-powder machine, which solves the above technical problems by changing the installation mode of the nozzle.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A novel steam pulverizer comprises a circular grinding chamber and a cover plate arranged on the upper end surface of the grinding chamber; a feed pipe and a discharge port are arranged on the cover plate, and wear-resistant lining plates are arranged on the inner bottom surface and inner curved surface of the grinding chamber; the outer circumferential position of the grinding chamber is a gas equalizing chamber, a plurality of nozzles are arranged on the inner side surface of the gas equalizing chamber, and a grinding gas inlet is arranged on the outer side surface of the gas equalizing chamber.

[0008] A further improvement of the technical solution of the utility model is that: the gas pressure equalizing chamber is provided with a mounting tube for mounting the nozzle; the nozzle is mounted in the mounting tube with the gas outlet facing inwards.

[0009] The further improvement of the technical solution of the utility model is that: a preload spring is arranged at one end of the nozzle; after the nozzle is installed facing inward, the outer end surface of the installation tube is fixed by a baffle, and the preload spring is connected to the baffle.

[0010] Due to the adoption of the above technical solution, the technical effects achieved by the utility model are:

[0011] The utility model is an improved steam powder machine, which is provided with a pre-tightening spring for the nozzle. When installing, the air outlet of the nozzle faces the inside of the grinding chamber, and the other end of the nozzle is pre-tightened by the pre-tightening spring. Since the nozzle is installed in a movable manner, it is not easy to be damaged and maintenance is more convenient.

[0012] The utility model has reasonable structure and good comprehensive use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the grinding chamber of the utility model;

[0015] Figure 3 It is a schematic diagram of the nozzle of the utility model;

[0016] Among them, 1. grinding chamber, 2. cover plate, 3. feed pipe, 4. discharge port, 5. wear-resistant lining, 6. preload spring, 7. gas equalizing chamber, 8. nozzle, 9. grinding gas inlet, 10. installation pipe, 11. baffle. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0018] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0019] The utility model is a novel steam-powder machine, which is suitable for grinding powder materials. The utility model improves the steam-powder machine and is based on the existing steam-powder machine.

[0020] The gas mill mainly comprises a circular grinding chamber 1 and a cover plate 2 arranged on the upper end surface of the grinding chamber 1. The cover plate 2 seals the grinding chamber 1. Grinding is performed in the grinding chamber 1. A feed pipe 3 and a discharge port 4 are arranged on the cover plate 2, and the material to be ground is transported into the grinding chamber 1 through the feed pipe 3. After the processing is completed, the fine powder is discharged from the discharge port 4.

[0021] A wear-resistant lining plate 5 is arranged on the inner bottom surface of the grinding chamber 1 and the inner arc surface of the grinding chamber 1. The wear-resistant lining plate 5 is a detachable installation structure and can be disassembled and replaced after being worn out after long-term use.

[0022] A gas equalizing chamber 7 is arranged on the side wall of the outer circle of the grinding chamber 1, and a grinding gas inlet 9 is arranged on the outer side of the gas equalizing chamber 7. At the same time, a plurality of nozzles 8 are arranged on the inner side of the gas equalizing chamber 7. The air inlet part of the nozzle 8 is located in the gas equalizing chamber 7, and the air outlet is located in the grinding chamber 1. The machine is provided with a plurality of nozzles 8, and the nozzles 8 are evenly distributed at the same angle around the center of the grinding chamber 1. The blowing direction of the nozzles 8 is not toward the center, but the blowing directions of all the nozzles 8 are offset by a certain angle relative to the radius, so that the air flow can flow in a clockwise or counterclockwise direction, thereby promoting the flow of materials.

[0023] like Figure 1 , Figure 2 As shown, a mounting pipe 10 for mounting a nozzle 8 is provided in the gas pressure equalization chamber 7. The nozzle 8 is mounted in the mounting pipe 10, and the gas outlet of the nozzle 8 faces the inside of the grinding chamber 1.

[0024] In a specific implementation, preferably, a preload spring 6 is provided for the nozzle 8. The preload spring 6 is provided at one end of the nozzle 8, and the other end of the nozzle 8 is an air outlet. After the nozzle 8 is installed inwardly, the air outlet of the nozzle 8 faces the inside of the grinding chamber 1. The outer end surface of the mounting tube 10 is fixed with a baffle 11, and the preload spring 6 is connected to the baffle.

[0025] The utility model realizes the installation of the nozzle in a pre-tightened manner by arranging a pre-tightening spring for the nozzle. Since the nozzle is installed in a movable manner, it is not easy to be damaged and maintenance is more convenient.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A novel steam pulverizer, comprising a circular grinding chamber (1) and a cover plate (2) arranged on the upper end surface of the grinding chamber (1); a feed pipe (3) and a discharge port (4) are arranged on the cover plate (2), wherein the invention is characterized in that: A wear-resistant lining plate (5) is provided on the inner bottom surface and inner arc surface of the grinding chamber (1); the outer circumference of the grinding chamber (1) is a gas equalizing chamber (7); a plurality of nozzles (8) are provided on the inner side surface of the gas equalizing chamber (7); and a grinding gas inlet (9) is provided on the outer side surface of the gas equalizing chamber (7); the gas equalizing chamber (7) is provided with a mounting tube (10) for mounting the nozzle (8); the nozzle (8) is mounted inwardly in the mounting tube (10); a preload spring (6) is provided at one end of the nozzle (8); after the nozzle (8) is mounted inwardly, the outer end surface of the mounting tube (10) is fixed by a baffle (11), and the preload spring (6) is connected to the baffle.

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