An accumulator fluid level regulating system

Abstract

The utility model relates to the technical field of compressor lubricating oil station energy accumulator, specifically is a kind of energy accumulator liquid level regulating system, its system is simple and reliable, and low in use cost, it includes oil tank, oil pump, energy accumulator, the oil tank connects oil pump, the oil pump is connected energy accumulator oil pipe and oil supply pipe by tee joint, the oil supply pipe is used to oil supply to compressor lubricating point, the bottom of energy accumulator oil pipe is connected energy accumulator, it is characterized in that, energy accumulator oil pipe is provided with oil supply hole check valve and oil supply switch valve, the both ends of oil supply switch valve are connected with control bypass, oil filling check valve is provided on the control bypass, the top of energy accumulator is connected with nitrogen filling pipeline, nitrogen filling check valve and nitrogen filling switch valve are provided on nitrogen filling pipeline, and energy accumulator is connected with liquid level transmitter.

Description

Technical Field

[0001] This utility model relates to the field of accumulator technology for compressor lubrication oil stations, specifically to an accumulator liquid level regulation system. Background Technology

[0002] An accumulator is an energy storage device. The core function of an accumulator in a lubrication station is to supply oil to the compressor by storing and releasing oil pressure. When the oil pump operates intermittently or experiences a brief malfunction, the accumulator releases the stored lubricating oil to maintain stable system pressure and prevent damage to the compressor due to sudden pressure drops causing lubrication interruptions.

[0003] In existing technologies, lubrication stations mainly include oil tanks, oil pumps, etc., and accumulators may be configured as needed. However, existing oil circuit systems have complex structures and high operating costs. Summary of the Invention

[0004] To solve the above-mentioned technical problems, this utility model provides an accumulator liquid level regulation system, which is simple, reliable and has low operating costs.

[0005] The technical solution is as follows: an accumulator level regulation system includes an oil tank, an oil pump, and an accumulator. The oil tank is connected to the oil pump, which is connected to the accumulator oil pipe and the oil supply pipe via a three-way connector. The oil supply pipe is used to supply oil to the compressor lubrication point. The accumulator oil pipe is connected to the bottom of the accumulator. The accumulator oil pipe is characterized by having an oil supply check valve with a hole and an oil supply switch valve. Both ends of the oil supply switch valve are connected to a control bypass, and an oil filling check valve is installed on the control bypass. The top of the accumulator is connected to a nitrogen charging pipe, which is equipped with a nitrogen charging check valve and a nitrogen charging switch valve. The accumulator is connected to a level transmitter.

[0006] By adopting this utility model, an oil supply switch valve is installed on the oil supply line and a nitrogen charging switch valve is installed on the nitrogen charging line. The manual control switch valve is selected according to the liquid level in the accumulator to stabilize the oil pressure in the accumulator. The overall system is simple, reliable, and has low operating costs. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of the system of this utility model. Detailed Implementation

[0008] See Figure 1As shown, an accumulator level regulation system includes an oil tank 1, an oil pump 2, and an accumulator 3. The oil tank 1 is connected to the oil pump 2. The oil pump 2 is connected to the accumulator oil pipe 5 and the oil supply pipe 4 through a three-way connector. The oil supply pipe 4 is used to supply oil to the compressor lubrication point. The accumulator oil pipe 5 is connected to the bottom of the accumulator 3. The accumulator oil pipe 5 is equipped with an oil supply check valve 6 with a hole and an oil supply switch valve 7. The two ends of the oil supply switch valve 7 are connected to a control bypass. An oil filling check valve 8 is installed on the control bypass. The top of the accumulator 3 is connected to a nitrogen charging pipe 9. The nitrogen charging pipe 9 is equipped with a nitrogen charging check valve 10 and a nitrogen charging switch valve 11. Nitrogen is charged using a nitrogen gas source. A normally closed hand valve 12 for venting is also installed on the nitrogen charging pipe 9. The accumulator 3 is connected to a level transmitter 13 for detecting the liquid level in the accumulator 3. The hand valve connecting the level transmitter 13 and the accumulator 3 is normally open.

[0009] Working principle: Before starting the oil pump, the nitrogen charging valve 11 needs to be opened to pre-charge the accumulator 3, and then the nitrogen charging valve 11 is closed. During operation, oil is drawn from the oil tank 1 by the oil pump 2 and supplied to the compressor lubrication points. After the oil pump 2 starts, the accumulator 3 must first be charged with oil. When the oil station outlet pressure stabilizes, oil is charged into the accumulator 3 through the small hole on the oil supply check valve 6 and the oil charging check valve 8 until the gas-liquid pressure in the accumulator 3 is balanced and the liquid level reaches the third liquid level L3. The accumulator 3 can compensate for pressure fluctuations in the oil supply system. When an emergency occurs in the system and the oil pump 2 stops working, the oil pressure in the oil supply line decreases, and the lubricating oil in the accumulator 3 continues to supply oil to the compressor lubrication points under the action of pre-charging.

[0010] The level transmitter 13 installed on the accumulator 3 constantly monitors the oil level inside the accumulator 3. The level transmitter 13 can be connected to an alarm, which can be a common buzzer alarm. When the liquid level in the accumulator 3 is too low, reaching the first level L1, an alarm sounds. Based on the liquid level in the accumulator 3, the operator closes the oil supply switch valve 7 to prevent gas from entering the oil pipeline. At this time, the oil pump 2 will again inject oil into the accumulator 3 through the small hole on the oil supply check valve 6 and the filling check valve 8. When the liquid level in the accumulator 3 reaches the second level L2, an alarm sounds. Based on the liquid level in the accumulator 3, the operator opens the oil supply switch valve 7, entering a waiting state for oil supply, ready to supply oil at any time. The system will continue to inject oil into the accumulator 3 until the liquid level reaches the third level L3. The operator can wait on-site or observe periodically. When the liquid level in the accumulator 3 reaches the third level L3, i.e., when oil and gas are balanced, the nitrogen filling switch valve 11 remains closed. When the liquid level reaches the fourth level L4, an alarm will sound, indicating that there is a nitrogen leak and the oil pressure is too high. The staff will then open the nitrogen charging valve 11 to charge the nitrogen.

Claims

1. An accumulator level regulation system, comprising an oil tank, an oil pump, and an accumulator, wherein the oil tank is connected to the oil pump, the oil pump is connected to an accumulator oil pipe and an oil supply pipe via a tee connector, the oil supply pipe is used to supply oil to the compressor lubrication point, and the accumulator oil pipe is connected to the bottom of the accumulator, characterized in that, The accumulator oil pipe is equipped with an oil supply check valve with a hole and an oil supply switch valve. Both ends of the oil supply switch valve are connected to a control bypass. An oil filling check valve is installed on the control bypass. The top of the accumulator is connected to a nitrogen charging pipeline. A nitrogen charging check valve and a nitrogen charging switch valve are installed on the nitrogen charging pipeline. The accumulator is connected to a liquid level transmitter.

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