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Energy-saving large casting cooling device

A technology for cooling devices and large castings, applied in the field of energy-saving cooling devices, can solve the problems of large compressed air flow, high operating costs, and large motor power of air storage tanks, and achieve the effect of saving compressed air and reducing operating costs.

Inactive Publication Date: 2015-04-29
NINGXIA JIAXIANG AUTOMATIC CONTROL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The required compressed air flow rate is large, the matching air storage tank and motor power are large, the energy consumption is large, and the operating cost is high

Method used

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  • Energy-saving large casting cooling device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Example 1 Composition and function of an energy-saving cooling device for large castings:

[0010] An energy-saving cooling device for large castings includes an air compressor 1, a freeze dryer 2, a compressed air pipeline 3, an air storage tank 4, a venturi fan 5, a pressure regulating valve 6, a pneumatic control valve 7, a temperature transmitter 8, It is composed of an electrical control system 9, which is characterized in that a large flow of airflow is generated by a venturi fan 5 to cool large castings. The air compressor 1 is used to provide an air source. The air storage tank 4 is used to store compressed air. The inlet pipe of the venturi fan 5 is connected to the compressed air pipe 3, and the other end leads to the atmosphere. The pressure regulating valve 6 and the pneumatic control valve 7 are installed on the compressed air pipeline 3 connected to the inlet of the venturi fan 5 . The electrical control system 9 includes a PLC programmable control sy...

Embodiment 2

[0011] Example 2 Working process of an energy-saving cooling device for large castings:

[0012] The electrical control system 9 opens the pressure regulating valve 6 on the compressed air pipeline 3 according to the temperature value prompted by the test feedback of the temperature transmitter 8. When the pressure reaches the set pressure value, the pneumatic control valve 7 is opened, and the inlet of the venturi fan 5 is opened. Connect to high-pressure compressed air, and begin to generate a large amount of air flow to become a cooling medium.

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Abstract

The invention relates to an energy-saving large casting cooling device comprising an air compressor 1, a cooling dryer 2, a compressed air pipeline 3, an air storage tank 4, a venturi blower 5, a pressure adjusting valve 6, a pneumatic control valve 7, a temperature transmitter 8 and an electric control system 9. The device is characterized in that the venturi blower 5 produces large air flow to cool large castings. The device has the advantages that the relevant component action relevance of the system controlling process is implemented, and actions are executed automatically; the venturi blower serves as a cooling device, compressed air is saved greatly, and operation cost is reduced.

Description

technical field [0001] The invention relates to an energy-saving cooling device for large castings, and belongs to the technical field of ventilation and cooling. Background technique [0002] Too-shaped castings play an important role in the equipment manufacturing industry and are of great significance to the construction and development of the national economy. With the rapid development of the national economy and the continuous improvement of the level of science and technology, the quality requirements of large tonnage and large castings and forgings in the fields of metallurgy, power generation, mining, chemical industry, shipbuilding and wind power generation are getting higher and higher. The forced cooling technology of large castings came into being under such social background. Forced cooling technology has been developed for many years. The more cooling media used in the forced cooling technology of large castings include water, air, water mist, and liquid nit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D30/00
CPCB22D30/00
Inventor 李黎
Owner NINGXIA JIAXIANG AUTOMATIC CONTROL TECH
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