Liquefied petroleum gas evaporation self-control system

Abstract

A liquefied petroleum gas evaporation automatic control system, including a plurality of liquefied petroleum gas tanks, the plurality of liquefied petroleum gas tanks are connected to the liquefied petroleum gas delivery pipe, the liquefied petroleum gas delivery pipe is provided with a liquefied petroleum gas control valve, the liquefied petroleum gas delivery pipe It is connected with the heat exchange pipe of the coil, and the outlet of the heat exchanger of the coil is connected with a gaseous petroleum gas delivery pipe, and a pressure transmitter is arranged on the gaseous petroleum gas delivery pipe. A hot water high level tank is arranged above the hot water tank, and a hot water electric heater is arranged in the hot water high level tank. The water outlets are connected, the outlet of the hot water tank is connected to the hot water circulation pipe, the middle section of the hot water circulation pipe is provided with a hot water circulation pump, and the outlet of the hot water circulation pipe is connected to the water inlet of the hot water high level tank. The hot water circulation pump, liquefied petroleum gas control valve, hot water electric heater, hot water regulating valve, and pressure transmitter are all connected to the automatic control device. The system of the present invention has stable gas use, precise control, convenient operation, energy saving and consumption reduction.

Description

technical field [0001] The invention relates to a liquefied petroleum gas evaporation automatic control system, which relates to the field of using liquefied petroleum gas in food processing. Background technique [0002] Liquefied petroleum gas is widely used in life, public buildings, industry, agriculture and animal husbandry, etc. In terms of life, there are cooking, hot water heating, heating, air conditioning, etc.; in industry, there are boiler heat treatment, ceramic drying, glass and plastic processing, baking in the food industry, etc. It is widely used in various industries. Generally, there are two situations in the process of use by users: one is a cylinder with natural gasification; the other is a cylinder with a forced gasification device. Natural gasification refers to the process in which the liquefied petroleum gas in the steel cylinder is gasified by relying on its own sensible heat and absorbing the heat of the external environment. Forced gasification...

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Problems solved by technology

Generally, hot water and heat exchange tubes are used for vaporization and pressurization, and the liquefied petroleum gas is sent to gas equipment. Due to the difference in the quality of liquefied petroleum gas batches and the frequent changes in gas consumption, the gasification and pressurization device often cannot work stably. , the pressure and volume of the liquefied petroleum gas sent out fluctuate greatly, which affects the efficiency of gas-consuming equipment, and even production stops

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