Automatic heating device and automatic heating method for seawater seedling culture pond

Abstract

The invention relates to an automatic heating device and an automatic heating method for a seawater seedling culture pond. A temperature relay is installed between the middle of a water inlet pipe and the seedling culture pond. A magnetic control valve is installed above a tee joint. A controllable electric heater for heating a water receiver is installed under the water receiver, a temperature control type safety valve, a temperature sensor and a water level controller are installed on the side of the water receiver, and a magnetic water injection valve is installed at the top of the water receiver. The operation method comprises that the temperature control type safety valve detects water temperature of the water receiver; the temperature sensor sends a signal to the controllable electric heater when the water temperature of the water receiver is lower than 50 DEG C; the water level controller at the lower portion of the water receiver controls the height of hot water in the water receiver; the magnetic water injection valve begins to work when receiving an instruction sent by the temperature relay; a pressure hot water delivery pump always works when the magnetic control valve is closed. The automatic heating device has the advantages of being simple in structure, high in automation degree and safe and convenient to use, reducing energy consumption and the like.

Description

technical field [0001] The invention relates to a heating device, in particular to an automatic heating device and an automatic heating method for seawater nursery ponds. Background technique [0002] At present, domestic seedling manufacturers will heat the seawater in the nursery pool when they are raising seedlings, and the control of the seawater temperature in the nursery pool directly affects the survival rate of the seedlings. At present, almost all the seawater in the domestic nursery pool is heated by the steam of the steam boiler. The flow in the pipe is heated by the heat conduction of the pipe wall. At the same time, the hot water after heat exchange is directly discharged into the atmosphere (open cycle), which firstly causes waste of fresh water, and secondly greatly increases energy consumption. Thirdly, the use of boiler heating requires professional operators. Both are unfavorable. The most critical factor is that when the high-temperature steam of the boil...

AI Technical Summary

Problems solved by technology

At the same time, the hot water after heat exchange is directly discharged into the atmosphere (open cycle), which firstly causes waste of fresh water, and secondly greatly increases energy consumption. Thirdly, the use of boiler heating requires professional operators. Both are unfavorable. The most critical factor is that when the high-temperature steam of the boiler (temperature greater than 100°C) exchanges heat with the seawater in the nursery pond through the tube wall, the temperature difference between the exchange area and the non-exchange area is too large, resulting in the survival of the seedlings. rate dropped significantly

At the same time, the current heating methods are almost all manual management, which increases the operating cost of the enterprise, and the operator's misoperation or omission occurs from time to time, which has a great impact on the survival rate of seedlings

Images