Adjustable gas-solid injector
An injector and adjustable technology, applied in the direction of conveyor, transportation and packaging, conveying bulk materials, etc., can solve the problems of conveying blockage and low conveying efficiency, and achieve the effect of improving efficiency
Inactive Publication Date: 2016-07-20
SOUTHEAST UNIV +1
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Problems solved by technology
[0006]Technical problem: The purpose of this invention is to provide a simple structure for the above-mentioned prior art, which can conveniently adjust the distance from the outlet of the nozzle to the inlet of the mixing chamber, and solve the problem of traditional gas-solid The problem of low conveying efficiency of the ejector when it conforms to the change; adding a discharge hopper under the receiving chamber can discharge the materials trapped in the receiving chamber from the ejector in time, and solve the problem of conveying blockage caused by material retention
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[0022] Below in conjunction with accompanying drawing, the present invention is described in detail:
[0023] Such as figure 1 As shown, an adjustable gas-solid ejector, its structure includes a hopper 1, a frequency conversion motor 2, a receiving chamber 3, a mixing chamber 4, a diffusion chamber 5, a delivery pipeline 6, a discharge hopper 7, a ball valve 8, and a compressed air inlet pipe 9. Adjusting knob 10, spring 11, housing 12, nozzle 13, star feeder 14 and movable mechanism 15; spring 11 and movable mechanism 15 are installed inside the housing, and adjusting knob 10 is located at the tail of the housing 12 , the compressed air intake pipe 9 enters the air delivery pipe at the front part of the nozzle 13 through the housing 12 . The movable mechanism 15 is that two small balls fixed on the air pipe and axially slidable are respectively arranged symmetrically in the cavity between the air pipe at the front of the nozzle and the housing on the two sealing surfaces of...
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The invention discloses an adjustable gas-solid injector which comprises a shell with a receiving chamber, a mixing cavity, a diffusion cavity and a conveying pipeline, wherein a material inlet, a material outlet and a gas inlet are further formed in the shell; the material inlet and the material outlet are positioned in the receiving chamber; the gas inlet is positioned in the front end of the receiving chamber and is communicated with a nozzle arranged in the shell. The adjustable gas-solid injector is characterized in that the nozzle is arranged in the shell in a sliding manner; an elastic device for automatically adjusting a distance S between an outlet of the nozzle and an inlet of the mixing cavity under the action of gas pressure is arranged at the bottom of the nozzle. The adjustable gas-solid injector improves the injector efficiency by changing the distance between the outlet of the nozzle and the inlet of the mixing cavity via adjusting an adjustment button and the pressure of conveyed gas. In case of blocked conveying, a ball valve at the lower part of an ash discharging bucket is opened to discharge materials left in the receiving chamber, so that the problem of blocking can be quickly solved. The adjustable gas-solid injector is simple in structure, convenient to operate and low in production cost.
Description
technical field [0001] The invention relates to a solid powder pneumatic conveying and spraying device, in particular to a pneumatic conveying and spraying device with an adjustable distance between a nozzle outlet and a mixing chamber inlet. Background technique [0002] Coal burning and waste incineration will produce Hg, SO 3 , Dioxins and other harmful substances, they pollute the atmospheric environment through the emission of flue gas and endanger human health. Therefore, how to deal with them economically and effectively has become an urgent problem to be solved all over the world. [0003] At present, one of the commonly used treatment methods for purifying flue gas is the adsorbent adsorption method, and the generally used device is a gas-solid injector. By means of pneumatic conveying, the adsorbent is sprayed into the flowing flue gas, so that the adsorbent can contact and adsorb harmful substances to remove them, and finally remove them through the dust removal ...
Claims
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IPC IPC(8): B65G53/16B65G53/58B65G53/46
CPCB65G53/16B65G53/4625B65G53/58
Inventor 黄亚继杨钊关正文李睦周军谢江坤王健
Owner SOUTHEAST UNIV