Waste heat recovery switching valve control system and control method of compressor
A waste heat recovery and control system technology, applied in the field of compressor manufacturing, can solve the problems that the temperature cannot be clearly specified and controlled, restricting the promotion and development of compressor waste heat recovery, etc., and achieves a multi-directional connection layout, a simple structure, and enhanced scalability. sexual effect
Active Publication Date: 2014-06-04
SHANGHAI UNITED COMPRESSOR
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Problems solved by technology
[0007] The existing waste heat recovery scheme cannot clearly specify and control the temperature, which restricts the promotion and development of compressor waste heat recovery
Method used
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[0034] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0035] see Figure 1 to Figure 4 , The present invention provides a compressor waste heat recovery switching valve control system, wherein the switching valve is mainly composed of a valve body 1, a valve stem 2, a sealing flange 4, a sealing ring 3, a bypass flange 5 and a gasket 6.
[0036] The valve rod 2 is pierced through the longitudinal through hole inside the valve body 1 . The upper part of the valve body 1 is provided with two waste heat recovery ports, which are the waste heat recovery inlet C port and the waste heat recovery outlet D port, or the C port can be set as the waste heat recovery outlet, and the D port can be set as the waste heat recovery inlet. The side of the valve body 1 is provided with an oil inlet port A, or the A port is set as an oil outlet. The bottom of the valve body 1 is provided with an oil outlet B port, or the ...
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The invention relates to a waste heat recovery switching valve control system and control method of a compressor. A valve rod is vertically arranged through the valve body of the switching valve. A waste heat recovery inlet and a waste heat recovery outlet are arranged on the upper part of the valve body. An oil inlet is arranged on the side of the valve body, and an oil outlet is arranged at the bottom of the valve body. The valve rod is a cylinder in the middle. Wafers are respectively spaced through central rods of the cylinder on both sides. A sealing flange is installed on a valve body installation opening installed into the valve rod, and a system air source inlet is arranged in the middle of the sealing flange. Bypass flanges are installed on two waste heat recovery ports on the upper part of the valve body. Cooling oil circulates in the valve body. When waste heat is recovered, heated cooling oil passes through a waste heater recover cooler by the switching valve, and waste heat recover is realized by heat exchange of circulating water in a water storage tank with the cooling oil. The system and method provided by the invention are simple in structure and strong in relevance, and multi-azimuth connecting layout can be realized. An air source system is driven to pick up automatically without outer connection. The expandability of a waste heat recovery project of the screw air compressor is enhanced.
Description
technical field [0001] The present invention relates to the manufacturing of compressors, and to the heat exchange process switching technology of compressor waste heat recovery, in particular to a compressor waste heat recovery switching valve control system and control method, which can be used to realize the heat exchange between the cooling system of the compressor system body and the waste heat recovery system Automatic and semi-automatic switching; it can also realize the function of controlling the waste heat recovery temperature by specifying the temperature. Background technique [0002] When the screw compressor is working, the compressor generates heat and needs to be cooled with lubricating oil. During the work of the compressor, most of the electric energy is converted into heat, which is passed through the air-cooled cooler or water-cooled cooler in the compressor system body. Discharged into the atmosphere or cooling water, it is completely lost. [0003] The...
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IPC IPC(8): F16K11/07F16K31/12F04B39/06
Inventor 冯江松肖旭徐健谢日生
Owner SHANGHAI UNITED COMPRESSOR