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Temperature control industrial refrigerating device for hydraulic bypass with piston type pressure release valve

An industrial refrigeration and pressure relief valve technology, applied in the direction of fluid pressure actuation devices, fluid pressure actuation system components, mechanical equipment, etc., can solve the problems of unbalanced flow, increased pressure, small liquid storage, etc. High-grade, not easy to damage effect

Active Publication Date: 2016-09-28
江苏金荣森制冷科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has a small liquid storage capacity and no buffer. In the case of large temperature difference, low temperature environment, unbalanced flow, liquid with a certain viscosity, and fluid with impact force, the pressure inside the heat dissipation channel of the radiator will also increase. , especially in the case of impact force and relatively high viscosity fluid, due to the resistance of the fluid inside the channel, the fluid cannot quickly pass through the inside of the radiator channel, so that the pressure increases, exceeding the maximum operating pressure of the radiator, and the radiator is very Easily damaged and scrapped

Method used

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  • Temperature control industrial refrigerating device for hydraulic bypass with piston type pressure release valve
  • Temperature control industrial refrigerating device for hydraulic bypass with piston type pressure release valve
  • Temperature control industrial refrigerating device for hydraulic bypass with piston type pressure release valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] Example 1. When the liquid flows from left to right and the main hydraulic circuit is blocked, the pressure at the left end of the piston relief valve is greater than the pressure at the right end, because the pressure in the fluid channel of the piston on the left side of the diaphragm is greater than that of the piston on the right side of the diaphragm The pressure in the fluid channel, the fluid pushes the diaphragm to move to the right, so that the piston also moves to the right. The piston fluid channel flows out through the fluid hole to a fluid channel half cavity on the right, and then flows into the right piston fluid channel, so as to achieve the purpose of pressure relief. At this time, the spring on the left is in a stretched state. The spring on the right is in a compressed state until the pressure on the left and right sides of the diaphragm is equal, the piston returns to its original position, and the main hydraulic circuit returns unobstructed.

Embodiment 2

[0085] Example 2. When the liquid flows from left to right and the main hydraulic circuit is blocked, the pressure at the right end of the piston relief valve is greater than the pressure at the left end, because the pressure in the fluid channel of the piston on the right side of the diaphragm is greater than that of the piston on the left side of the diaphragm The pressure in the fluid channel, the fluid pushes the diaphragm to move to the left, so that the piston also moves to the left. The piston fluid channel flows out through the fluid hole to a fluid channel half cavity on the left, and then flows into the left piston fluid channel, so as to achieve the purpose of pressure relief. At this time, the spring on the right is in a stretched state. The spring on the left is in a compressed state until the pressure on the left and right sides of the diaphragm is equal, the piston returns to its original position, and the main hydraulic circuit returns unobstructed.

[0086] Th...

Embodiment A

[0088] The accumulator tube is built in. When the liquid inlet and outlet of the anti-impact energy storage radiator are located on the top of the first liquid collection tank 501 and the second liquid collection tank 502, the energy storage tube 500 is installed in the first liquid collection tank 501 and the second liquid collection tank 502. The inside of the second liquid collection tank 502 is enough.

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PUM

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Abstract

The invention relates to a temperature control industrial refrigerating device for a hydraulic bypass with a piston type pressure release valve. The temperature control industrial refrigerating device comprises a hydraulic oil conveying pipeline. A hydraulic oil conveying pipeline conveying pump, a radiator, a pipe type heater and a heat exchange device are sequentially arranged on the hydraulic oil conveying pipeline from a hydraulic oil inlet to a hydraulic oil outlet. A cooling fan is arranged on one side of the radiator. A gas-liquid separator, a compressor, a condenser, a liquid storage device, a drying filter, a cooling pipeline electromagnetic valve and a throttling device are sequentially arranged on a cooling pipeline between a cooling outlet and a cooling inlet of the heat exchange device. A cooling pipeline bypass valve is arranged between a cooling pipeline between the compressor and the condenser and a cooling pipeline between the throttling device and the heat exchange device. The piston type pressure release valve is arranged on oil ways at the two ends of the radiator in parallel. The temperature control industrial refrigerating device has the beneficial effects of being high in reliability, not likely to be damaged and capable of ensuring stable running of a system.

Description

technical field [0001] The invention relates to a temperature-controlled industrial refrigeration device with a hydraulic bypass of a piston pressure relief valve. Background technique [0002] As we all know, the best oil temperature of the hydraulic system is between 35 and 55 degrees Celsius. Once the temperature rises above 60 degrees Celsius, the system of the hydraulic system will drop significantly, and equipment failures will continue to occur, resulting in a serious decline in the stability of the equipment. The proper functioning of the machine equipment cannot be guaranteed. Especially in the midsummer season, the oil temperature is too high, and even the machinery and equipment are often shut down. [0003] Therefore, the stability of the industrial refrigeration device directly affects the working status of the machinery and equipment. When the liquid pressure in the traditional industrial refrigeration device is too high, it will directly lead to excessive pre...

Claims

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Application Information

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IPC IPC(8): F15B21/04
CPCF15B21/042
Inventor 黄晓军
Owner 江苏金荣森制冷科技有限公司