A laboratory direct aeration aeration equipment

Abstract

The invention belongs to the technical field of experimental equipment and relates to direct aerating type aerating equipment for a laboratory. The upper end and the lower end of a cylindrical rotary shaft are a shaft joint and an enclosed impeller joint in thread structures, respectively; a motor shaft of a stirrer is connected with the rotary shaft through the shaft joint, and the rotary shaft is detachably connected with an enclosed impeller through the enclosed impeller joint; a shaft sleeve gas inlet pipe in a hollow tubular structure is arranged outside the rotary shaft in a sleeving manner, and a connector composed of a shaft sleeve pipe clamp, a guide sheet and a motor clamp is arranged at the upper end of the shaft sleeve gas inlet pipe, so that connection and fixation of the shaft sleeve gas inlet pipe and the stirrer are realized; and a water absorbing gap is formed between the bottom end of the shaft sleeve gas inlet pipe and the enclosed impeller which is connected with the lower end of the rotary shaft; during the use of the equipment, air in the shaft sleeve gas inlet pipe and the water body in the water adsorbing gap are inhaled at the same time due to the vacuum caused by direct contact of the rotating enclosed impeller and water. The equipment is simple in structure, small in size, simple to assemble, convenient to move, easy to maintain, adjustable in air quantity, low in noise and low in power consumption.

Description

Technical field: [0001] The invention belongs to the technical field of experimental equipment, and in particular relates to a laboratory direct aeration aeration equipment, which is connected with a single-stage single-suction pump-type impeller on the basis of a laboratory mixer, capable of circulating oxygenation and mixing muddy water role, easy to use under laboratory conditions. Background technique: [0002] At present, there are many aeration methods for aerobic treatment of sewage, and there are also many types of aeration equipment involved. Common ones include blast aeration equipment, surface aeration equipment, underwater aeration equipment and oxygen aeration equipment, etc. , but none of the above-mentioned equipment can be applied in the laboratory to study and verify the biodegradability of wastewater. For the research on the biodegradability of various types of wastewater under laboratory conditions, most of them require organic wastewater aerobic treatmen...

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Problems solved by technology

[0002] At present, there are many aeration methods for aerobic treatment of sewage, and there are also many types of aeration equipment involved. Common ones include blast aeration equipment, surface aeration equipment, underwater aeration equipment and oxygen aeration equipment, etc. , but none of the above equipment can be applied in the laboratory to study and verify the biodegradability of wastewater

For the research on the biodegradability of various types of wastewater under laboratory conditions, most of them require organic wastewater aerobic treatment aeration equipment suitable for small water samples. In practice, small-scale laboratory blast aerators are often used. The aerator needs to be equipped with an aeration head and an aeration pipeline. Relatively speaking, the structure is cumbersome and complicated, the floor space is large, it is easy to be damaged, and the noise is harsh when used. For example, a dry room disclosed in Chinese patents 201410785447.4 and 201420803026.5 Submersible blower aerator, a high-efficiency integrated aeration device for sewage treatment disclosed in Chinese patents 201310231495.4 and 201320338058.8, an anaerobic, anoxic, aerobic and biomodel reactor disclosed in Chinese patent 201120337595.1 A combination device for floating boat aeration, an integrated Aubert oxidation ditch combined aeration system disclosed in Chinese patent 201010617876.2, etc.; for the small-scale aeration and direct aeration method in the laboratory, especially the experimental research on water bodies with the size of a beaker It is even more blank, so the present invention researches and designs a kind of laboratory direct aeration aeration equipment, on the basis of the laboratory mixer, connects the single-stage single-suction pump-type impeller through the motor shaft connecting rod, and the suction port of the pump-type impeller Upward, so that it can absorb air through the shaft sleeve under the action of negative pressure. The aeration equipment can play the role of circulating oxygenation, and can play the effect of mixing mud and water during the oxygenation process, which has good practical value and promotion benefits

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