阅读说明：本技术 一种新型的压力能回收装置 (Novel pressure energy recovery device ) 是由 冯炳泉 缪俊 于 2020-06-01 设计创作，主要内容包括：本发明公开一种新型的压力能回收装置,包括曲轴箱体、曲轴组件、润滑油盘、五个液压缸、旋转销、配液盘本体、配液盘、配液盘压盖、接液盘和输入液低压泵组,曲轴组件设置在曲轴箱体内,润滑油盘固定在曲轴箱体上,五个液压缸都固定在曲轴箱体的外表面上,活塞杆端部铰接曲轴组件；旋转销下端插入曲轴顶部,配液盘本体套在旋转销外部并转动连接；配液盘卡合旋转销的上端；配液盘压盖罩在配液盘上与配液盘本体固定,接液盘套在旋转销上,输入液低压泵组连接五个液压缸的输入液进出口。优点,本装置,可以连续、高效、平稳地将排出流体作为动力源,实现对输入液增压的功能,不需要再使用电机泵组增压,达到节能降耗的目的,经济效益、环境效益显著。(The invention discloses a novel pressure energy recovery device, which comprises a crankshaft box body, a crankshaft assembly, a lubricating oil disc, five hydraulic cylinders, a rotary pin, a liquid distribution disc body, a liquid distribution disc pressing cover, a liquid receiving disc and an input liquid low-pressure pump set, wherein the crankshaft assembly is arranged in the crankshaft box body; the lower end of the rotating pin is inserted into the top of the crankshaft, and the liquid distribution disc body is sleeved outside the rotating pin and is in rotating connection with the rotating pin; the liquid distribution disc is clamped at the upper end of the rotating pin; the liquid distribution plate pressure cover is fixed with the liquid distribution plate body on the liquid distribution plate, the liquid receiving plate is sleeved on the rotating pin, and the input liquid low-pressure pump set is connected with the input liquid inlet and outlet of the five hydraulic cylinders. The device has the advantages that the device can continuously, efficiently and stably use the discharged fluid as a power source, realizes the function of pressurizing the input liquid, does not need to use a motor pump set for pressurization, achieves the purposes of energy conservation and consumption reduction, and has remarkable economic and environmental benefits.)

1. A novel pressure energy recovery device is characterized by comprising a crankcase body,

the crankshaft assembly (13) is arranged in the crankshaft box body; the crankshaft assembly (13) comprises a crankshaft (13-2), rollers (13-3), a crankshaft disc (13-7) and five lug rings (13-12), the crankshaft (13-2) is provided with an eccentric part, the crankshaft (13-2) is arranged in a crankshaft box body, two ends of the crankshaft (13-2) are rotatably supported on a box body plate of the crankshaft box body, the rollers (13-3) are sleeved on the periphery of the eccentric part of the crankshaft (13-2), and the crankshaft disc (13-7) is sleeved on the periphery of the rollers (13-3) and movably connected with the five lug rings (13-12) and is uniformly arranged on the periphery of the crankshaft disc (13-7);

the lubricating oil disc (14) is fixed on the crankcase body and communicated with the bottom of the crankshaft (13-2);

the cylinder bodies of all the hydraulic cylinders (1) are fixed on the outer surface of the crankcase body, and the end parts of all the piston rods are respectively hinged with five earrings (13-12); the hydraulic cylinder (1) comprises a cylinder body (1-1), a piston rod (1-2), a discharged liquid piston (1-3) and an input liquid piston (1-4), the inner cavity of the cylinder body (1-1) is divided into two independent inner cavities, the piston rod (1-2) simultaneously penetrates through the two inner cavities, the discharged liquid piston (1-3) and the input liquid piston (1-4) are respectively positioned in the two inner cavities, and the discharged liquid piston (1-3) and the input liquid piston (1-4) are vertically connected with the piston rod (1-2); the inner cavity is divided into a rodless cavity (1-5) and a first isolation cavity (1-7) by a liquid discharge piston (1-3), the inner cavity is divided into a rod cavity (1-6) and a second isolation cavity (1-8) by a liquid input piston (1-4), a liquid discharge inlet and outlet (1-9) is formed in the rodless cavity (1-5), a liquid input inlet and outlet (1-10) is formed in the rod cavity (1-6), and cavity drain openings (1-11) are formed in the first isolation cavity (1-7) and the second isolation cavity (1-8);

the upper end and the lower end of the rotating pin (10) are provided with a section of square shaft, and the square shaft at the lower end is inserted into the square groove at the top of the crankshaft (13-2);

the liquid distribution disc body (12) is sleeved outside the rotating pin (10) and is in rotating connection, and the liquid distribution disc body (12) is arranged on the crankcase body;

the liquid distribution disc (9) is clamped with the upper square shaft of the rotating pin (10) and is positioned outside the liquid distribution disc body (12); two waist-shaped cavities, namely a high-pressure liquid cavity (9-1) and a discharge liquid cavity (9-2), are symmetrically arranged on the liquid distribution plate (9);

the liquid distribution plate is covered with a liquid distribution plate gland (11), the liquid distribution plate gland (11) is fixed with a liquid distribution plate body (12), a high-pressure liquid inlet (11-1) is formed in the top of the liquid distribution plate gland (11), and when the high-pressure liquid inlet (11-1) is communicated with the high-pressure cavity (9-1), high-pressure discharge liquid of an external high-pressure discharge liquid reaction kettle (19) enters the high-pressure cavity (9-1); a discharge liquid outlet (11-2) is formed in the liquid distribution plate gland (11), and discharge liquid can be discharged when the discharge liquid outlet (11-2) is communicated with the discharge liquid cavity (9-2);

the liquid receiving disc (8) is positioned right below the liquid distribution disc (9) and sleeved on the rotating pin (10), and the liquid distribution disc body (12) and the liquid distribution disc gland (11) clamp the liquid receiving disc (8) simultaneously; five circular hole connectors (8-1) are arranged on the body of the liquid receiving disc (8), five channels are respectively formed on the liquid distribution disc body (12) corresponding to the five circular hole connectors (8-1), and the five circular hole connectors (8-1) are respectively connected with the discharge liquid inlet and outlet (1-9) of the five hydraulic cylinders (1) through pipelines and channels;

the input liquid low-pressure pump set (20) is connected with input liquid inlets and outlets (1-10) of the five hydraulic cylinders (1) through a pipeline (17) and a second one-way valve (16) and is used for filling low-pressure input liquid into rod cavities (1-6) of the five hydraulic cylinders (1); meanwhile, input liquid inlets and outlets (1-10) of the five hydraulic cylinders (1) are communicated with an external input liquid reaction kettle (2) through a first one-way valve (15) arranged on a pipeline (17).

2. The new pressure energy recovery device according to claim 1, characterized in that the crankshaft disk (13-7) and the roller (13-3) are connected by an inner and outer retainer ring (13-4), an inner ring inner retainer ring (13-5) and a first elastic retainer ring (13-6) are axially limited, the inner ring inner retainer ring (13-5) is of a half sleeve type, the inner ring inner retainer ring (13-5) is sleeved on the periphery of a roller (13-3) and is partially inserted into an annular groove on the inner side surface of a crankshaft disc (13-7), an inner ring outer retainer ring (13-4) is of an integral type, the inner ring outer retainer ring (13-4) is sleeved on the inner ring inner retainer ring (13-5), the first elastic retainer ring (13-6) is arranged in a first retainer ring groove on the inner side surface of the crankshaft disc (13-7), and the first elastic retainer ring (13-6) limits the inner ring outer retainer ring (13-4).

3. The novel pressure energy recovery device as claimed in claim 1, wherein one end of the ear ring (13-12) is tightly attached to the outer surface of the crank disk (13-7), and the ear ring (13-12) is limited to move axially and radially by the second elastic check ring (13-8), the outer ring inner check ring (13-9) and the outer ring outer check ring (13-10) arranged between the crank disk (13-7) and the connecting ear ring (13-12);

one end of the lug ring (13-12) clinging to the outer surface of the crankshaft disc (13-7) is provided with a limit convex ring, an outer ring inner check ring (13-9) is of a half sleeve type, the outer ring inner check ring (13-9) is sleeved on the lug ring (13-12), one end of the outer ring inner check ring (13-9) is inserted into an annular groove on the outer side surface of the crankshaft disc (13-7), and the other end of the outer ring inner check ring is pulled to be closed to the limit convex ring; an outer ring outer retainer ring (13-10) is sleeved on the outer ring inner retainer ring (13-9) and the ear rings (13-12), a second elastic retainer ring (13-8) is arranged in a second retainer ring groove on the outer side surface of the crankshaft disc (13-7), and the second elastic retainer ring (13-8) limits the outer ring outer retainer ring (13-10).

4. The novel pressure energy recovery device according to claim 1, characterized in that the end of the piston rod (1-2) of the hydraulic cylinder (1) is provided with a joint bearing (13-11), the end of the piston rod (1-2) is inserted into a shifting fork head arranged on the ear ring (13-12), and a pin shaft is inserted between the shifting fork head and the joint bearing (13-11).

5. The novel pressure energy recovery device according to claim 1, wherein the crankcase body is composed of a lower casing cover (3), an intermediate casing body (4) and an upper casing cover (5), and the lower casing cover (3), the intermediate casing body (4) and the upper casing cover (5) are fixed through bolts; two ends of the crankshaft (13-2) are respectively rotatably supported on the lower box cover (3) and the upper box cover (5), cylindrical roller bearings (13-1) are arranged between the crankshaft (13-2) and the lower box cover (3) and the upper box cover (5), and the cylinder body of the hydraulic cylinder (1) is fixed with the middle box body (4).

Technical Field

The invention relates to a novel pressure energy recovery device.

Background

In the industries of petroleum, chemical industry, seawater desalination and the like, in a chemical reaction kettle system, a fluid (input liquid) needs to be changed into a high-pressure fluid through a high-pressure motor pump set, the high-pressure fluid is input into a reaction kettle, and the high-pressure fluid is discharged by the system after chemical reaction in the reaction kettle. The discharged high-pressure fluid is required to be discharged into a discharge liquid system after being reduced in pressure by a pressure reducing valve. In the process, input liquid is changed into high-pressure fluid, a pump set needs to consume a large amount of electric energy, high-pressure discharge liquid is changed into low-pressure fluid, a pressure reducing valve is needed, and a large amount of heat energy is generated.

An energy recovery device is needed at present, and pressure energy of discharged liquid discharged from a reaction kettle is recovered and is provided for pressurizing input liquid for use; this reduces the pressure relief valve and reduces the amount of power consumed by the input hydro-motor pump set.

Disclosure of Invention

The invention aims to provide a novel pressure energy recovery device, which can continuously, efficiently and stably use the discharged fluid as a power source, realize the function of pressurizing input liquid, does not need to use a motor pump set for pressurization, achieves the purposes of saving energy and reducing consumption, and has obvious economic benefit and environmental benefit.

The technical scheme is as follows:

a novel pressure energy recovery device, which comprises a crankcase body,

the crankshaft assembly is arranged in the crankshaft box body; the crankshaft assembly comprises a crankshaft, rollers, a crankshaft disc and five earrings, the crankshaft is provided with an eccentric part, the crankshaft is arranged in a crankshaft box body, two ends of the crankshaft are rotatably supported on a box body plate of the crankshaft box body, the rollers are sleeved on the periphery of the eccentric part of the crankshaft, and the crankshaft disc is sleeved on the periphery of the rollers and movably connected with the five earrings and evenly arranged on the periphery of the crankshaft disc;

the lubricating oil disc is fixed on the crankcase body and communicated with the bottom of the crankshaft;

the cylinder bodies of all the hydraulic cylinders are fixed on the outer surface of the crankcase body, and the end parts of all the piston rods are respectively hinged with five earrings; the hydraulic cylinder comprises a cylinder body, a piston rod, a discharge liquid piston and an input liquid piston, wherein the inner cavity of the cylinder body is divided into two independent inner cavities, the piston rod simultaneously penetrates through the two inner cavities, the discharge liquid piston and the input liquid piston are respectively positioned in the two inner cavities, and the discharge liquid piston and the input liquid piston are vertically connected with the piston rod; the discharge liquid piston divides the inner cavity into a rodless cavity and a first isolation cavity, the input liquid piston divides the inner cavity into a rod cavity and a second isolation cavity, the rodless cavity is provided with a discharge liquid inlet and a discharge liquid outlet, the rod cavity is provided with an input liquid inlet and a discharge liquid outlet, and the first isolation cavity and the second isolation cavity are provided with cavity drain outlets;

the upper end and the lower end of the rotating pin are provided with a section of square shaft, and the square shaft at the lower end is inserted into the square groove at the top of the crankshaft;

the liquid distribution disc body is sleeved outside the rotating pin and is connected with the rotating pin in a rotating mode, and the liquid distribution disc body is arranged on the crankcase body;

the liquid distribution disc is clamped with the upper square shaft of the rotating pin and is positioned outside the liquid distribution disc body; two waist-shaped cavities are symmetrically arranged on the liquid distribution plate and respectively form a high-pressure liquid cavity and a liquid discharge cavity;

the liquid distribution plate gland covers the liquid distribution plate, the liquid distribution plate gland is fixed with the liquid distribution plate body, the top of the liquid distribution plate gland is provided with a high-pressure liquid inlet, and when the high-pressure liquid inlet is communicated with the high-pressure cavity, high-pressure discharge liquid of an external high-pressure discharge liquid reaction kettle enters the high-pressure cavity; the liquid distribution plate gland is provided with a liquid discharge outlet, and when the liquid discharge outlet is communicated with the liquid discharge cavity, the liquid discharge outlet can discharge liquid discharge;

the liquid receiving plate is positioned right below the liquid distribution plate and sleeved on the rotating pin, and the liquid distribution plate body and the liquid distribution plate gland clamp the liquid receiving plate simultaneously; the body of the liquid receiving disc is provided with five circular hole interfaces, five channels are respectively formed on the body of the liquid distribution disc corresponding to the five circular hole interfaces, and the five circular hole interfaces are respectively connected with the discharge liquid inlet and outlet of the five hydraulic cylinders through pipelines and channels;

the input hydraulic low-pressure pump set is connected with input hydraulic inlets and outlets of the five hydraulic cylinders through a pipeline and a second one-way valve, and low-pressure input liquid is filled into the rod cavities of the five hydraulic cylinders; meanwhile, the input liquid inlets and outlets of the five hydraulic cylinders are communicated with an external input liquid reaction kettle through first one-way valves arranged on pipelines (17).

Preferably, the crankshaft disc and the roller are axially limited by an inner ring outer retainer ring, an inner ring inner retainer ring and a first elastic retainer ring, wherein the inner ring inner retainer ring is of a half-shell type, the inner ring inner retainer ring is sleeved on the periphery of the roller and is partially inserted into an annular groove on the inner side surface of the crankshaft disc, the inner ring outer retainer ring is of an integral type, the inner ring outer retainer ring is sleeved on the inner ring inner retainer ring, the first elastic retainer ring is arranged in a first retainer ring groove on the inner side surface of the crankshaft disc, and the first elastic retainer ring limits the inner ring outer retainer ring. The inner retainer ring of the inner ring is of a two-half structure, so that the ear ring is prevented from moving up and down; the inner ring outer retainer ring is of an integral structure, the inner ring inner retainer ring is prevented from being disengaged, and the first elastic retainer ring prevents the inner ring outer retainer ring from moving outwards.

Preferably, one end of the lug is tightly attached to the outer surface of the crankshaft disc, and the axial and radial movement of the lug is limited by the second elastic check ring, the outer ring inner check ring and the outer ring outer check ring arranged between the crankshaft disc and the connecting lug;

one end of the lug ring, which is tightly attached to the outer surface of the crankshaft disc, is provided with a limiting convex ring, an outer ring inner check ring is of a half sleeve type, the outer ring inner check ring is sleeved on the lug ring, one end of the outer ring inner check ring is inserted into an annular groove on the outer side surface of the crankshaft disc, and the other end of the outer ring inner check ring is pulled to close the limiting convex ring; the outer ring outer retainer ring is sleeved on the outer ring inner retainer ring and the ear ring, the second elastic retainer ring is arranged in a second retainer ring groove on the outer side surface of the crankshaft disc, and the second elastic retainer ring limits the outer ring outer retainer ring. The inner retainer ring of the outer ring is of a two-half structure, so that the ear ring is prevented from moving up and down; the outer retaining ring of the outer ring is of an integral structure, the inner retaining ring of the outer ring is prevented from being disengaged, and the second elastic retaining ring is used for preventing the outer retaining ring of the inner ring from moving outwards.

Preferably, the end part of a piston rod of the hydraulic cylinder is provided with a joint bearing, the end part of the piston rod is inserted into a shifting fork head arranged on an ear ring, and a pin shaft is inserted between the shifting fork head and the joint bearing.

Preferably, the crankcase body is composed of a lower cover, an intermediate body and an upper cover, and the lower cover, the intermediate body and the upper cover are fixed through bolts; the two ends of the crankshaft are respectively rotatably supported on the lower cover and the upper cover of the box body, cylindrical roller bearings are arranged between the crankshaft and the lower cover and between the crankshaft and the upper cover of the box body, and the cylinder body of the hydraulic cylinder is fixed with the intermediate body of the box body. The split mounting type structure of the crankcase body aims to be easy to assemble.

The input liquid low-pressure pump set, the input liquid reaction kettle and the high-pressure discharge liquid reaction kettle mentioned in the technical scheme of the invention are known in the technical field.

Compared with the prior art, the invention has the beneficial effects that:

1. the novel pressure energy recovery device can continuously, efficiently and stably use the discharged fluid as a power source, realize the function of pressurizing the input liquid, and does not need to use a motor pump set for pressurization. The purposes of energy saving and consumption reduction are achieved, and the economic benefit and the environmental benefit are obvious.

2. According to the novel pressure energy recovery device, the structure of the liquid distribution disc and the structural design of the crankshaft mechanism enable the five hydraulic cylinders to keep stable output under the linkage action of the crankshaft.

3. According to the novel pressure energy recovery device, in order to ensure that the discharged liquid and the input liquid in the cylinder body are separated, the isolation cavity is added in the hydraulic cylinder structure, so that the discharged liquid and the input liquid cannot be mixed together even if the hydraulic cylinder leaks.

Drawings

Fig. 1 is a schematic structural view of the novel pressure energy recovery device of the present embodiment.

FIG. 2 is a schematic diagram of the input liquid reactor of FIG. 1 with the piping, check valves, input liquid low pressure pump set and input liquid removed.

FIG. 3 is a top view of the structure of the hydraulic cylinder assembled with the crankshaft assembly.

FIG. 4 is a schematic view of the structure of the crankshaft assembly.

Fig. 5 is a schematic structural view of the hydraulic cylinder.

Fig. 6 is a liquid flow direction block diagram of the present embodiment.

Fig. 7 is a schematic structural view of the liquid distribution plate.

FIG. 8 is a schematic structural view of the liquid receiving tray.

Fig. 9 is a diagram of the matching working state of the liquid distribution plate and the liquid receiving plate (the high-pressure liquid cavity is communicated with the first round hole interface).

Fig. 10 is an operation state diagram (the discharge liquid chamber communicates with the first circular orifice port) after the liquid distribution plate in fig. 9 is rotated by 180 °.

Detailed Description

The technical solution of the present invention is described in detail below, but the scope of the present invention is not limited to the embodiments.

In order to make the disclosure of the present invention more comprehensible, the following description is further made in conjunction with fig. 1 to 10 and the detailed description.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.