Constant low-temperature cooling oil-free vortex air compressor

Abstract

The invention relates to a permanent low-temperature cooling oil-free vortex air compressor. The technical problem to be solved is to provide an oil-free vortex air compressor, the complete machine of which is under the working condition of nearly permanent low-temperature; a dynamic disc and a static disc are almost not affected by the metal heat expansion in the compression work, the compression ratio of the vortex compressor is bigger, the height of vortex lines are increased exponentially, and the rotational speed of the vortex compressor can be enhanced largely. The technical proposal to solve the problem is that: the dynamic disc is provided with a dynamic disc embedded cooling coil, and the static disc is provided with a static disc embedded cooling coil, the dynamic disc embedded cooling coil is communicated with an external cooling drier system by a connecting piece, the static disc embedded cooling coil is communicated with the external cooling drier system by a static disc cooling discharge connection arranged on the static disc, cooling channels of the dynamic disc and the static disc are serially connected into a whole by serial pipes, an eccentric axis is provided with high-pressure shaft seals at two ends. The air compressor of the invention can be used in the large-scale, medium-scale and small-scale gas compressor manufacturing fields.

Description

technical field [0001] The invention relates to an oil-free scroll air compressor, in particular to a constant-low temperature cooling oil-free scroll air compressor. It is suitable for the manufacture of large, medium and small gas compressors. Background technique [0002] At present, the displacement of scroll air compressors is relatively small, and the maximum displacement of a single head of commercial oil-free scroll air compressors is less than 1M 3 / min; the maximum displacement of a single head of an oil-injected or water-injected scroll air compressor is about 3M 3 / min, this is why the compressor industry around the world believes that scroll compressors are difficult to replace other high-energy consumption and high-noise compressors. Scroll air compressors with displacements exceeding the above are composed of several units. [0003] The structure of the scroll compressor determines that during the compression process, the thermal expansion of the metal of th...

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Problems solved by technology

[0003] The structure of the scroll compressor determines that during the compression process, the thermal expansion of the metal of the compressor parts caused by the heat is not allowed to be too large, usually within 0.05mm, otherwise, during the compression movement, there will be a gap between the scroll fixed plate Will seriously interfere with wear until it is seized and destroyed

This also causes the scroll profile of the scroll air compressor to not be high, which greatly restricts the displacement of the scroll compressor, especially the oil-free scroll compressor cannot overcome the limitation of displacement. As a result, the advantages of low noise, high reliability, and low energy consumption of oil-free scroll compressors cannot play a good role in the application field of compressors

This is not only a pity for the compressor industry, but also a disappointment for the majority of compressor users.

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