A diaphragm head pressure relief assembly for a diaphragm compressor

Abstract

The utility model relates to a diaphragm head pressure relief assembly for diaphragm compressor, the diaphragm head pressure relief assembly for diaphragm compressor, including the pressure regulating valve and first joint of hydraulic oil cavity connection respectively with compressor, the outlet of pressure regulating valve is connected with the hydraulic oil cavity of crankcase through second joint, first pipeline, three -way joint A, second pipeline and third joint and its connection in proper order, the outlet of first joint is connected with the hydraulic oil cavity of crankcase through fourth joint, third pipeline, fifth joint, pneumatic ball valve, fourth pipeline, three -way joint B and fifth pipeline and its connection in proper order, three -way joint A and three -way joint B are communicated through sixth pipeline, and second pipeline adopts transparent hose. The diaphragm head pressure relief assembly, through adjusting valve, pneumatic ball valve and each pipeline optimal design, not only realized the automatic pressure relief and loading of membrane head, and the pressure relief process is relatively stable, solved the risk of oil circuit leakage and burst pipe, makes the work of diaphragm compressor membrane head more safe and reliable.

Description

Technical Field

[0001] This utility model relates to the field of compressors, and in particular to a diaphragm head pressure relief assembly for a diaphragm compressor. Background Technology

[0002] To maintain hydraulic pressure in the diaphragm compressor's diaphragm head, oil needs to be replenished during operation. When the pressure in the oil chamber rises to the compressor's set value, the diaphragm head pressure relief assembly activates. Traditional pressure relief structures suffer from significant manual pressure relief response delays, and due to the high operating pressure of the pressure relief assembly, oil leaks or pipe bursts frequently occur during operation. Traditional glass sight glasses used to observe oil return effects also frequently rupture. Furthermore, the sight glasses themselves are not only difficult to install but also expensive, significantly increasing the compressor's operating costs. These drawbacks make traditional pressure relief structures unsuitable for applications in industries with explosion-proof requirements, such as hydrogen energy. Utility Model Content

[0003] To overcome the shortcomings of existing technologies, this utility model provides a diaphragm head pressure relief assembly for diaphragm compressors. Through the optimized design of regulating valves, pneumatic ball valves, and various pipelines, it not only achieves automatic pressure relief and loading of the diaphragm head, but also ensures a relatively stable pressure relief process, thus eliminating the risks of oil leakage and pipe bursts, making the operation of the diaphragm compressor diaphragm head safer and more reliable.

[0004] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:

[0005] A diaphragm head pressure relief assembly for a diaphragm compressor includes a pressure regulating valve and a first connector respectively connected to the hydraulic oil chamber of the compressor. The outlet of the pressure regulating valve is connected to the hydraulic oil chamber of the crankcase via a second connector, a first pipe, a tee connector A, a second pipe, and a third connector connected thereto in sequence. The outlet of the first connector is connected to the hydraulic oil chamber of the crankcase via a fourth connector, a third pipe, a fifth connector, a pneumatic ball valve, a fourth pipe, a tee connector B, and a fifth pipe connected thereto in sequence. The tee connector A and the tee connector B are connected by a sixth pipe. The second pipe is a transparent flexible hose.

[0006] Furthermore, a hand valve is connected between the second connector and the third pipe.

[0007] Furthermore, the third pipe is a CT threaded pipe, the fourth connector is a CT threaded elbow, the first, fourth, fifth, and sixth pipes are all compression fittings, the tee connectors A and B are compression tee connectors, and the second, third, fourth, and fifth connectors are all straight connectors.

[0008] Furthermore, the second conduit is a transparent resin hose.

[0009] The advantages of this utility model using the above technical solution are:

[0010] 1. The diaphragm head pressure relief assembly for this diaphragm compressor, through the optimized design of the regulating valve, pneumatic ball valve, and various pipelines, not only achieves automatic pressure relief and loading of the diaphragm head, but also ensures a relatively stable pressure relief process, thus eliminating the risks of oil leakage and pipe bursting. This makes the operation of the diaphragm compressor diaphragm head safer and more reliable, and can be well used in many industries such as hydrogen energy that require explosion-proof oil.

[0011] 2. The use of transparent resin hoses not only allows for monitoring of oil return during mechanical operation or normal operation, but also reduces stress between various pipeline components, significantly lowering the risk of oil leakage.

[0012] 3. The CT threaded straight connector, CT threaded pipe, and CT threaded elbow are high-pressure oil circuits. The above structure not only ensures the pressure resistance and reliability of the pipeline, but also effectively utilizes the pipeline space, making the overall structure more compact.

[0013] 4. The manual needle valve and the pneumatic ball valve are used in series to realize manual and automatic diaphragm head pressure relief of the compressor, which is more flexible. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] In the diagram, 1. Pressure regulating valve; 2. First connector; 3. Second connector; 4. First pipe; 5. T-connector A; 6. Second pipe; 7. Third connector; 8. Fourth connector; 9. Third pipe; 10. Fifth connector; 11. Pneumatic ball valve; 12. Fourth pipe; 13. T-connector B; 14. Fifth pipe; 15. Sixth pipe; 16. Hand valve. Detailed Implementation

[0016] To clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application; however, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0017] like Figure 1As shown, in this embodiment, the diaphragm compressor uses a diaphragm head pressure relief assembly, which includes a pressure regulating valve 1 and a first connector 2 connected to the hydraulic oil chamber of the compressor. The outlet of the pressure regulating valve 1 is connected to the hydraulic oil chamber of the crankcase via a second connector 3, a first pipe 4, a three-way connector A5, a second pipe 6, and a third connector 7 connected to it in sequence. The outlet of the first connector 2 is connected to the hydraulic oil chamber of the crankcase via a fourth connector 8, a third pipe 9, a fifth connector 10, a pneumatic ball valve 11, a fourth pipe 12, a three-way connector B13, and a fifth pipe 14 connected to it in sequence. The three-way connector A5 and the three-way connector B13 are connected by a sixth pipe 15. The second pipe 6 is a transparent flexible hose, specifically a transparent resin flexible hose.

[0018] Furthermore, a hand valve 16, which can be a needle valve, is connected between the second connector 3 and the third pipe 9, and is connected to the third pipe 9 via a straight connector. The third pipe 9 is a CT threaded pipe, and the fourth connector 8 is a CT threaded elbow. The first pipe 4, the fourth pipe 12, the fifth pipe 14, and the sixth pipe 15 are all compression fittings, the tee connectors A5 and B13 are compression tee connectors, and the second connector 3, the third connector 7, the fourth connector 8, and the fifth connector 10 are all straight connectors.

[0019] The diaphragm compressor uses a diaphragm head pressure relief assembly with three operating states.

[0020] Operating State 1: Before starting the equipment, hand valve 16 and pneumatic ball valve 11 are opened. The hydraulic oil in the diaphragm compressor's hydraulic oil chamber is connected to the hydraulic oil in the crankcase through fourth connector 8, third pipe 9, fifth connector 10, pneumatic ball valve 11, fourth pipe 12, and tee connector B13. Simultaneously, when passing through tee connector B13, the hydraulic oil is diverted through sixth pipe 15, tee connector A5, transparent hose, and third connector 7 to connect to the hydraulic oil in the crankcase. At this time, no pressure will be built up inside the diaphragm compressor's hydraulic oil chamber. Starting the diaphragm compressor can be considered as the mechanical operation process of the diaphragm compressor.

[0021] Operating State 2: During machine operation, manually close hand valve 16. The diaphragm compressor can then operate normally. During compression, the hydraulic oil pressure in the compressor diaphragm chamber gradually increases. When the diaphragm compressor enters the exhaust process, the hydraulic oil pressure reaches its maximum value. At this point, excess hydraulic oil in the diaphragm head hydraulic oil chamber overflows through pressure regulating valve 1. The overflowing hydraulic oil flows in the direction shown by the arrow in the diagram. After passing through tee connector A5, it splits into two paths: one part enters the crankcase via a transparent resin hose and a straight connector, and the other part sequentially enters the crankcase via the sixth pipe, tee connector B, and the fifth pipe, thus completing the pressure relief process. During machine operation, the oil return effect can be observed at any time through the transparent resin hose. Furthermore, the transparent resin hose reduces stress between various pipe components, significantly lowering the risk of oil leakage.

[0022] Operating State 3: When the machine is running, the pneumatic ball valve closes when the hydraulic oil pressure in the diaphragm head reaches the set value. At this time, the diaphragm compressor can work normally. During the compression process, the hydraulic oil pressure in the diaphragm cavity gradually increases. When the diaphragm compressor enters the exhaust process, the hydraulic oil pressure of the diaphragm compressor reaches its maximum value. At this time, the excess hydraulic oil in the hydraulic oil cavity of the diaphragm head overflows through the pressure regulating valve. The overflowing hydraulic oil flows in the direction shown by the arrow in the figure. When it passes through the three-way connector A, it splits into two paths. One part enters the crankcase through the transparent resin hose and the straight connector, and the other part enters the crankcase in sequence through the sixth pipe, the three-way connector B, and the fifth pipe, thus completing the pressure relief process.

[0023] It should be noted that in practical applications, the diaphragm head pressure relief assembly of this application will be connected between the compressor and the crankcase. The pneumatic ball valve within it will also be connected to a controller. When the hydraulic oil pressure inside the compressor reaches the set upper limit, the pneumatic ball valve can be closed to initiate working state 3. In case of a problem with the pneumatic ball valve or in special circumstances, working state 2 can also be initiated by closing the hand valve 16, making it more flexible in use.

[0024] The above specific embodiments should not be construed as limiting the scope of protection of this utility model. For those skilled in the art, any alternative improvements or modifications made to the embodiments of this utility model shall fall within the scope of protection of this utility model.

[0025] Any aspects of this utility model not described in detail are known to those skilled in the art.

Claims

1. A diaphragm head pressure relief assembly for a diaphragm compressor, characterized in that, The device includes a pressure regulating valve and a first connector connected to the hydraulic oil chamber of the compressor. The outlet of the pressure regulating valve is connected to the hydraulic oil chamber of the crankcase via a second connector, a first pipe, a tee connector A, a second pipe, and a third connector connected thereto in sequence. The outlet of the first connector is connected to the hydraulic oil chamber of the crankcase via a fourth connector, a third pipe, a fifth connector, a pneumatic ball valve, a fourth pipe, a tee connector B, and a fifth pipe connected thereto in sequence. The tee connector A and the tee connector B are connected by a sixth pipe. The second pipe is a transparent flexible hose.

2. The diaphragm head pressure relief assembly for a diaphragm compressor according to claim 1, characterized in that, A hand valve is connected between the second connector and the third pipe.

3. The diaphragm head pressure relief assembly for a diaphragm compressor according to claim 2, characterized in that, The third pipe uses a CT threaded pipe, the fourth connector uses a CT threaded elbow, the first, fourth, fifth, and sixth pipes all use compression fittings, the tee connectors A and B are compression fitting tee connectors, and the second, third, fourth, and fifth connectors are all straight connectors.

4. The diaphragm head pressure relief assembly for a diaphragm compressor according to claim 1, characterized in that, The second conduit is a transparent resin hose.

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