Two-stage compression superhigh pressure liquid drive compressor

Abstract

The utility model relates to the technical field of compressor, concretely is a kind of two-stage compression ultrahigh pressure liquid drive compressor, including liquid drive compressor host computer, power oil station, high-pressure oil pump, main motor, circulating oil pump, oil circuit system, gas circuit system, water circuit system, pry dress box, control system;Liquid drive compressor host computer adopts horizontal arrangement, middle is provided with hydraulic oil cylinder, two ends are provided with primary cylinder and secondary cylinder respectively, and primary cylinder and secondary cylinder structure are same.This compressor safe and stable, high -efficient energy -conserving operation, and high automation degree and convenient and fast use maintenance.

Description

TECHNICAL FIELD

[0001] The utility model relates to a compressor technical field, concretely is a two-stage compression ultrahigh pressure liquid drive compressor. BACKGROUND

[0002] The ultrahigh pressure liquid drive compressor is a special type of compressor, which uses liquid as the working medium to generate high pressure. The working principle of the ultrahigh pressure liquid drive compressor is based on the high pressure transmission characteristics of liquid. It usually includes the following main parts: liquid supply system: provides high pressure liquid, usually water or other suitable liquid; compression chamber: after the liquid enters the compression chamber, the pressure is increased by mechanical or hydraulic means; pressure release system: high pressure liquid is released through a specific channel or valve to produce the required high pressure output.

[0003] With the rapid development of national metallurgy, electronics, hydrogen energy, aerospace and other industries, the market demand for ultrahigh pressure gas compressors is increasing. Due to the particularity of ultrahigh pressure compressors, there are strict requirements on the design, processing, materials and use and maintenance of the compressors.

[0004] At present, most of the domestic ultrahigh pressure liquid drive compressors still rely on imports, and the domestic compressors are in the exploratory stage. Most of the compressors have the problems of unstable performance and poor service life. SUMMARY

[0005] The purpose of the utility model is to provide a two-stage compression ultrahigh pressure liquid drive compressor to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a two-stage compression ultrahigh pressure liquid drive compressor, characterized by comprising a liquid drive compressor host, a power oil station, a high pressure oil pump, a main motor, a circulating oil pump, an oil circuit system, a gas circuit system, a water circuit system, a skid-mounted box body and a control system. The liquid drive compressor host is arranged horizontally, a hydraulic oil cylinder is arranged in the middle, a first-stage cylinder and a second-stage cylinder are arranged at both ends respectively, and the first-stage cylinder and the second-stage cylinder have the same structure.

[0007] Preferably, the first-stage cylinder and the second-stage cylinder each comprise a cylinder head, a cylinder head, a cylinder piston, a cylinder sleeve and a water jacket, the cylinder head is fixed on the cylinder head by bolts or screws, the cylinder piston is reciprocatingly arranged in the cylinder head, the cylinder sleeve is wrapped outside the cylinder head, the water jacket surrounds the outside of the cylinder head, and the first-stage cylinder, the second-stage cylinder and the bottom of the hydraulic oil cylinder are each provided with a cylinder seat for supporting and fixing.

[0008] Preferably, the hydraulic oil cylinder comprises an oil cylinder and an oil cylinder piston, and an isolation section is arranged between the hydraulic oil cylinder and the first-stage cylinder and the second-stage cylinder, and the oil cylinder piston is reciprocatingly arranged in the oil cylinder.

[0009] Preferably, the power oil station is arranged on one side of the pry-mounted box body, the power oil station is connected with the high-pressure oil pump through an oil line system, the high-pressure oil pump adopts an adjustable flow swash plate type axial plunger pump, the high-pressure oil pump is connected with the hydraulic oil cylinder through the oil line system, the pry-mounted box body is arranged in a box body structure, and the pry-mounted box body is internally provided with a partition plate.

[0010] Preferably, the liquid-driven compressor main machine is arranged on the top of the pry-mounted box body, and the liquid-driven compressor main machine is connected with the high-pressure oil pump through a transmission system.

[0011] Preferably, the circulating oil pump is connected with the power oil station through the oil line system.

[0012] Preferably, the oil line system comprises an oil pipe, a valve and a filter.

[0013] Preferably, the gas line system comprises an air inlet valve, an air outlet valve and a gas pipeline.

[0014] Preferably, the water line system comprises a cooler, a water pump and a water pipe.

[0015] Preferably, the control system adopts PLC automatic control, the control system comprises a sensor, a controller and an actuator, the running state of the compressor is monitored and controlled in real time, and the control system adopts PLC automatic control.

[0016] Compared with the prior art, the beneficial effects of the utility model are that through the arrangement design of the chassis, it is guaranteed that each part can be fixed through fasteners or supports after assembly, and the requirements of stable operation, electrostatic grounding and convenient on-site installation of the labyrinth compressor are fully ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is the flow chart of the two-stage compression superhigh-pressure liquid-driven piston compressor of the utility model.

[0018] Fig. 2 is the structural schematic view of the two-stage compression superhigh-pressure liquid-driven piston compressor of the utility model.

[0019] Fig. 3 is the structural schematic view of the liquid-driven compressor main machine of the utility model.

[0020] Among them: cylinder cover 1, cylinder head 2, cylinder piston 3, cylinder sleeve 4, water jacket 5, isolation section 6, cylinder seat 7, oil cylinder piston 8, oil cylinder 9, exhaust valve 10, air inlet valve 11, liquid-driven compressor main machine 20, power oil station 30, high-pressure oil pump 40, main motor 50, circulating oil pump 60, oil line system 70, gas line system 80, water line system 90, pry-mounted box body 100. DETAILED DESCRIPTION

[0021] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other in the case of no conflict.

[0022] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0023] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0024] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0025] Please refer to Figs. 1-3 A two-stage compression ultrahigh pressure liquid drive compressor, comprising a liquid drive compressor main machine 20, a power oil station 30, a high pressure oil pump 40, a main motor 50, a circulating oil pump 60, an oil circuit system 70, a gas circuit system 80, a water circuit system 90, a pry container 100, a control system.

[0026] The main machine 20 of the hydraulic drive compressor adopts a horizontal arrangement, is provided with a hydraulic oil cylinder in the middle, and is provided with a first-stage cylinder and a second-stage cylinder at two ends respectively. The first-stage cylinder and the second-stage cylinder are of the same structure and each comprises a cylinder cover 1, a cylinder head 2, a cylinder piston 3, a cylinder sleeve 4 and a water jacket 5. The cylinder cover 1 is fixed on the cylinder head 2 by bolts or screws and is mainly used for closing the cylinder to prevent gas leakage. The cylinder piston 3 is arranged inside the cylinder head 2 and moves reciprocatingly. The cylinder sleeve 4 is wrapped outside the cylinder head and is used for improving the protection intensity of the cylinder. The water jacket 5 surrounds the outside of the cylinder head 2, and circulating cooling water is arranged in the water jacket 5 and is used for absorbing and dissipating heat to prevent the cylinder from overheating.

[0027] The first-stage cylinder, the second-stage cylinder and the hydraulic oil cylinder are each provided with a cylinder seat 7 for support and fixation.

[0028] The hydraulic oil cylinder comprises an oil cylinder 9 and an oil cylinder piston 8. The hydraulic oil cylinder is provided with an isolation section 6 between the first-stage cylinder and the second-stage cylinder. The oil cylinder piston 8 is arranged inside the oil cylinder 9 and moves reciprocatingly.

[0029] The second-stage cylinder is provided with an exhaust valve 10 and an intake valve 11 on the upper side and the lower side of the end portion respectively. Periodic oil supply to both sides of the oil cylinder 9 in a bidirectional manner is realized, the reciprocating movement of the oil cylinder piston 8 and the piston rod in the oil cylinder 9 is realized, and the cylinder piston 3 in the first-stage cylinder and the second-stage cylinder at two ends is driven to work, so that the processes of gas suction, compression and exhaust of the cylinder are realized.

[0030] The power oil station 30 is arranged on one side of the pry-mounted box body 100 and provides power oil. The power oil station 30 is connected with the high-pressure oil pump 40 through the oil circuit system 70, so as to ensure the stable supply of high-pressure hydraulic oil.

[0031] The high-pressure oil pump 40 adopts an adjustable-flow swash plate type axial piston pump and realizes stepless adjustment of the gas volume of the compressor. The high-pressure oil pump 40 is connected with the hydraulic oil cylinder through the oil circuit system 70, so as to deliver high-pressure hydraulic oil into the hydraulic oil cylinder.

[0032] The hydraulic drive compressor main machine 20 is arranged at the top of the pry-mounted box body 100 and is used for providing power for the compressor.

[0033] The hydraulic drive compressor main machine 20 is connected with the high-pressure oil pump 40 through a transmission system and drives the high-pressure oil pump 40 to work.

[0034] The circulating oil pump 60 is used for circulating oil in the oil circuit system. The circulating oil pump 60 is connected with the power oil station 30 through the oil circuit system 70, so as to ensure the circulating flow of oil in the oil circuit system.

[0035] The oil circuit system 70 is responsible for the delivery and circulation of hydraulic oil. The oil circuit system 70 comprises oil pipes, valves and filters and ensures the cleanliness and pressure stability of hydraulic oil.

[0036] The gas circuit system 80 manages the suction, compression and discharge of gas, and includes the gas inlet valve 10, the gas outlet valve 11 and gas pipes to ensure smooth flow and pressure control of the gas.

[0037] The water circuit system 90 is used for cooling and lubrication, and includes a cooler, a water pump and water pipes to ensure cooling and lubrication of the components of the compressor.

[0038] The skid-mounted box 100 is provided in a box structure, which is compact and beautiful.

[0039] The skid-mounted box 100 is internally provided with a partition to separate the components such as the power oil station 30, the high-pressure oil pump 40 and the circulating oil pump 60, facilitating maintenance and operation.

[0040] The control system is automatically controlled by PLC, realizing unattended operation, safety and stability, and high automation.

[0041] The control system includes sensors, controllers and actuators, and monitors and controls the running state of the compressor in real time. The control system is automatically controlled by PLC, and detects a series of running parameters such as temperature, pressure and flow rate of each measuring point of the compressor, and performs a series of complex controls such as transmission, display, recording, alarm and interlocking of the running parameters. The alarm and interlocking are set according to the calculation and analysis of each working condition during the design of the compressor, and the corresponding alarm and interlocking values are set, so that the equipment can automatically judge whether it is running normally, and the instrument and electric control system can alarm the abnormal running condition and perform corresponding automatic interlocking control, so that the equipment can respond in the first time, thereby ensuring safe and stable operation of the equipment.

[0042] The preferred embodiments of the present application are described in detail above, but the present application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A two-stage compression ultra-high pressure hydraulically driven compressor, characterized in that, It includes a hydraulic compressor main unit (20), a power oil station (30), a high-pressure oil pump (40), a main motor (50), a circulating oil pump (60), an oil circuit system (70), an air circuit system (80), a water circuit system (90), a skid-mounted housing (100), and a control system; the hydraulic compressor main unit (20) is arranged horizontally, with a hydraulic cylinder in the middle and a primary cylinder and a secondary cylinder at both ends, and the primary cylinder and the secondary cylinder have the same structure; The power oil station (30) is located on one side of the skid-mounted housing (100). The power oil station (30) is connected to the high-pressure oil pump (40) through the oil circuit system (70). The high-pressure oil pump (40) is an adjustable flow swashplate axial piston pump. The high-pressure oil pump (40) is connected to the hydraulic cylinder through the oil circuit system (70). The skid-mounted housing (100) is set as a box-type structure. The skid-mounted housing (100) is equipped with a partition inside. The liquid-driven compressor main unit (20) is located on the top of the skid-mounted housing (100), and the liquid-driven compressor main unit (20) is connected to the high-pressure oil pump (40) through a transmission system; The circulating oil pump (60) is connected to the power oil station (30) through the oil circuit system (70).

2. The two-stage compression ultra-high pressure hydraulically driven compressor according to claim 1, characterized in that, Both the primary cylinder and the secondary cylinder include a cylinder head (1), a cylinder head (2), a cylinder piston (3), a cylinder liner (4), and a water jacket (5). The cylinder head (1) is fixed to the cylinder head (2) by bolts or screws. The cylinder piston (3) moves back and forth inside the cylinder head (2). The cylinder liner (4) wraps around the outside of the cylinder head. The water jacket (5) surrounds the outside of the cylinder head (2). The primary cylinder, the secondary cylinder, and the hydraulic cylinder are all supported and fixed by cylinder seats (7) at the bottom.

3. The two-stage compression ultra-high pressure hydraulically driven compressor according to claim 2, characterized in that, The hydraulic cylinder includes a cylinder (9) and a piston (8). An isolation section (6) is provided between the hydraulic cylinder and the first-stage cylinder and the second-stage cylinder. The piston (8) is placed inside the cylinder (9) and moves back and forth.

4. A two-stage compression ultra-high pressure hydraulically driven compressor according to claim 3, characterized in that, The oil circuit system (70) includes oil pipes, valves and filters.

5. A two-stage compression ultra-high pressure hydraulically driven compressor according to claim 4, characterized in that, The gas system (80) includes an intake valve (10), an exhaust valve (11), and a gas pipeline.

6. A two-stage compression ultra-high pressure hydraulically driven compressor according to claim 5, characterized in that, The water system (90) includes a cooler, a water pump, and water pipes.

7. A two-stage compression ultra-high pressure hydraulically driven compressor according to claim 6, characterized in that, The control system adopts PLC automatic control. The control system includes sensors, controllers and actuators, and monitors and controls the operating status of the compressor in real time.

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