But the supersonic speed ultra micro air-flow disintegrating apparatus of preliminary election powder
The utility model relates to superfine communication technique, but especially a kind of supersonic speed ultra micro air-flow disintegrating apparatus of the preliminary election powder that uses when materials such as metal, ore, food and plant are carried out ultramicro grinding.
Existing supersonic speed ultra micro air-flow disintegrating apparatus (being produced by high speed portion of Chinese air force technology development center) generally comprises air supply system, micronizer, grader, gatherer, deduster, exhaust blower, muffler, and pipe-line system.The maximum characteristics of this equipment are that micronizer has made full use of the aerodynamic experiment technology, and can obtain average grain diameter is the following ultra tiny materials of 10 μ.Be a kind of advanced ultramicro grinding equipment.But not enough is, and this equipment carries out ultramicro grinding adds man-hour, and the material of required pulverizing must enter pulverizer by hopper through (1); (2) material quickens with the supersonic airstream that the jet pipe of flowing through produces; (3) clash into pulverizing at the volley mutually, and hit the target head, further pulverize in moment with flank speed; (4) enter grader by the road by discharging opening and carry out classification, after will pulverizing on the one hand, grader meets the requirements of that material is sent into gatherer and deduster and must required material, the material that will not reach requirement is on the other hand sent into pulverizer once more and is pulverized, until all materials such process that all meets the requirements.In fact, the required material of ultramicro grinding that carries out is generally all through processing in early stage, this material through processing in early stage generally contains 10%~30% qualified material, if this material is still processed by aforementioned process, obviously lose more than gain, and the material of required processing is big more in batches, and the waste that is caused is then big more.
The purpose of the utility model, it is the deficiency that exists at above-mentioned supersonic speed ultra micro air-flow disintegrating apparatus, provide a kind of and can carry out the preliminary election powder initial material, energy savings can cut the waste, can on the basis of the material of pulverizing equal amount, prolong equipment life, the supersonic speed ultra micro air-flow disintegrating apparatus that its operating efficiency is higher.
The utility model purpose can realize like this: but a kind of supersonic speed ultra micro air-flow disintegrating apparatus of preliminary election powder, comprise air supply system, pulverizer, grader, gatherer, deduster, exhaust blower, muffler, the pipeline that air supply system is connected with the pulverizer lance system, the pipeline that the pulverizer discharging opening is connected with grader, and with grader, gatherer, deduster, exhaust blower and muffler be the pipe-line system that is communicated with of order respectively, but it is characterized in that the middle and lower part of grader of the supersonic speed micro jet equipment of described preliminary election powder also comprises a preliminary election powder feed arrangement that can be connected with this grader inside.
Described preliminary election powder feed arrangement can comprise a cylindrical shell, have in the cylindrical shell along this tubular axis setting material is evenly pushed the screw propulsion rod of described grader, there is the feed hopper that communicates with this inner barrel the cylindrical shell top, the cylindrical shell left side has with described screw propulsion rod and links to each other to drive the buncher of this screw propulsion rod, there is the sieve plate that is connected with described grader inside the cylindrical shell right side, and described cylindrical shell also comprises the screw of its device on grader.
The essence of described scheme is to have increased an automatic feeder on the grader of existing supersonic speed ultra micro air-flow disintegrating apparatus.The advantage that increases automatic feeder is self-evident, and at first, it can become equipment the system that selects materials, thereby initial material is carried out that powder is selected in pre-classification and directly obtains to satisfy the qualified ultrafine powder material of technical indicator; The second, because pre-classification initial material pulverizer of access arrangement not when selecting powder not only can reduce the wearing and tearing of consumable accessory in the pulverizer greatly, improve the service life of machine, and can cut down the consumption of energy; The 3rd, the batch of the initial material of required pulverizing is big more, and the effect of its energy-saving effect and raising equipment yield is obvious more, in actual applications, can improve at least more than work efficiency 2-3 times.The 4th, the assembling of described automatic feeder and remove very conveniently when the powder working result is selected in pre-classification, can restore to the original state grader easily, thereby by the aforementioned course of work required material be processed.
In sum, the utility model has reached aforementioned goal of the invention fully.
The utility model has following accompanying drawing, and accompanying drawing has provided an instantiation of the present utility model.
Fig. 1 is the utility model structural representation;
Fig. 2 is the enlarged drawing of preliminary election powder feed arrangement (automatic feeder) among Fig. 1.
Now the utility model is described (referring to Fig. 1, Fig. 2) in conjunction with example,
Air supply system 9 links to each other by the lance system (not drawing among the figure) of pipeline 98 and pulverizer 80, pulverizer 80 links to each other with grader 6 by pipeline 86, grader 6 links to each other with gatherer 5 by pipeline 65, gatherer 5 links to each other with deduster 4 by pipeline 54, deduster device 4 links to each other with exhaust blower 2 by pipeline 42, and 1 is muffler, and 8 is the hopper of pulverizer 80,7 is the blow-off valve of gatherer 5 and deduster 4, and they are known technology.3 are the feed arrangement of selecting materials in advance, are positioned at grader 6 middle and lower parts, and it comprises cylindrical shell 40, and cylindrical shell 40 tops are feed hopper 10, are screw propulsion material 20 in it, and left end is a buncher 30, and the right side is that sieve plate 50,60 is a screw.
The example preliminary election powder course of work, open air supply system 9, the need sorting material is slowly inserted the feed hopper 10 of the feed arrangement 3 of selecting materials in advance, according to selected material ratio reselection procedure buncher 30 rotating speeds, by screw propulsion rod 20 material is advanced in grader 6, because the compressed air that this moment, air supply system 9 provided is through the pulverizer grader 6 that enters after 80s, in the grader 6 is negative pressure, material enters grader automatically and evenly and carries out classification, qualified material 65 enters gatherer 5 by the road by grader 6, be removed by blow-off valve 7 then, thinner material enters deduster 4 by pipeline 54 and is removed by blow-off valve 7 ...
During practical operation, should establish the pipeline material that sorting is remaining at grader 6 lower end discharging openings and collect, enter pulverizer 80 to avoid its hopper that falls into pulverizer 80 8.
After the work of selecting materials is finished in advance, take off preliminary election feed arrangement 3 and with the inlet seal on the grader 6.Then can carry out supersonic speed ultra micro air-flow and pulverize, make it become qualified particle the material after the preliminary election.Because this process belongs to known technology, is omitted here.