Nozzle structure for jet mill
A jet mill and nozzle technology, applied in grain processing and other directions, can solve the problems of poor spray effect, short service life, unreasonable nozzle structure design, etc., and achieve the effect of reducing force, improving spray effect, and increasing rigidity
Active Publication Date: 2016-04-13
TONGLING QIANYI CHEM EQUIP
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Problems solved by technology
[0002] The nozzle of jet pulverizer is the key part of the whole equipment. The existing nozzle structure design is unreasonable. The nozzle provides stable pressure, the injection effect is poor, and the rigidity of the internal structure of the nozzle is high; the service life is generally short
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[0011] Referring to the accompanying drawings, the nozzle structure of the jet mill includes a first spray pipe 1 and a second spray pipe 2. The first spray pipe 1 is provided with an internal air ring branch pipe 3, and the front end of the internal air ring branch pipe 3 is fixedly connected. The inner air duct 4, the second spray pipe 2 is provided with an outer air ring branch pipe 5, and the front end of the outer air ring branch pipe 5 is fixedly connected to the outer air pipe 6, and the front end of the inner air pipe 4 is connected to the second material spray pipe 2. The rear ends are connected by flanges, and the pipe heads of the first material spraying pipe 1 and the second material spraying pipe 2 are welded with helical blades 7, and the taper of the helical blades is the same as that of the inner air pipe and the outer air pipe. These helical blades evenly arranged at the head of the nozzle are evenly separated, and are spirally sent to the next section of the s...
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A disclosed jet pipe structure for a jet mill comprises a first jet pipe and a second jet pipe; the first jet pipe is provided with an inner wind ring branch pipe, and the front end of the inner wind ring branch pipe is fixedly connected with an inner wind pipe; the second jet pipe is provided with an outer wind ring branch pipe, and the front end of the outer wind ring branch pipe is fixedly connected with an outer wind pipe; and the front end of the inner wind pipe and the rear end of the second jet pipe are in flange connection. According to the jet pipe, spiral blades uniformly distributed at a jet pipe head are uniformly separated, enter a sequential jet pipe along the inner wall, and also give play to effects of supporting the inner wind pipe and the jet pipe, so that the stress of single welding parts of the ring branch pipe is reduced, the rigidity of the whole part is increased, the jet effect of the jet pipe is improved and the service life is long.
Description
technical field [0001] The invention relates to the technical field of pipe fittings for material crushing equipment, in particular to a nozzle structure for a jet mill. Background technique [0002] The nozzle of jet pulverizer is the key part of the whole equipment. The existing nozzle structure design is unreasonable. The nozzle provides stable pressure, the injection effect is poor, and the rigidity of the internal structure of the nozzle is high; generally, the service life is short. Contents of the invention [0003] The object of the present invention is to provide a nozzle structure for jet pulverizer, the nozzle is evenly separated by the helical blades evenly arranged at the nozzle head, and is spirally sent into the next section of the spray pipe along the inner wall, and at the same time, it also plays a role Supporting the role of the inner air duct and the spray pipe, thereby reducing the stress on the welding part of the simple ring branch pipe, increasing ...
Claims
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IPC IPC(8): B02C19/06
Inventor 周加兵
Owner TONGLING QIANYI CHEM EQUIP