WO2020078023A1 - Compresseur d'air à piston liquide - Google Patents

Compresseur d'air à piston liquide Download PDF

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Publication number
WO2020078023A1
WO2020078023A1 PCT/CN2019/091553 CN2019091553W WO2020078023A1 WO 2020078023 A1 WO2020078023 A1 WO 2020078023A1 CN 2019091553 W CN2019091553 W CN 2019091553W WO 2020078023 A1 WO2020078023 A1 WO 2020078023A1
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WO
WIPO (PCT)
Prior art keywords
rotor
chamber
liquid
air compressor
blocking plate
Prior art date
Application number
PCT/CN2019/091553
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English (en)
Chinese (zh)
Inventor
孔祥真
Original Assignee
山东青耕电气有限公司
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Filing date
Publication date
Application filed by 山东青耕电气有限公司 filed Critical 山东青耕电气有限公司
Publication of WO2020078023A1 publication Critical patent/WO2020078023A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C19/00—Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C19/00—Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
    • F04C19/004—Details concerning the operating liquid, e.g. nature, separation, cooling, cleaning, control of the supply

Definitions

  • the invention relates to a liquid piston device, which is a liquid piston air compressor.
  • the reversing valve Since the research of the existing liquid piston air pressure devices mostly uses the directional valve as the core component of the liquid reversing mechanism, when the liquid is frequently reversed, the reversing valve is frequently opened and closed, which makes the electrical part extremely vulnerable to damage. The use of the valve The life is short, and it is difficult to maintain the normal operation of the entire system.
  • the design of the existing liquid piston air compressor using a reversing valve the pipeline connection is complicated, the use of a large number of reversing valves, resulting in high cost; at the same time, the reversing valve intermittent or pulsed work, so that the pipeline The liquid in the system frequently pulsates, causing strong vibration of the equipment, causing the equipment to have high operating noise, high failure rate and overall efficiency.
  • the current liquid piston air compressor is limited to the theoretical research stage and cannot be put into real physical operation. .
  • the invention provides a liquid piston air compressor, which can solve the shortcomings of the prior art, and uses a mechanical liquid continuous reversing device to avoid the shortcomings in the design of the existing liquid piston air compressor. Like a mechanical crankshaft, it can be continuous The reciprocating movement of the liquid piston is realized at a high frequency, so that the liquid piston air compressor is applied to industrial production with its characteristics of high efficiency, low consumption and high stability.
  • a liquid piston air compressor including an air compressor supporting part and a liquid circulation pipeline, a water pump inlet of the air compressor and a return chamber of a mechanical liquid continuous reversing device The opening is connected, and the water pump outlet of the air compressor is connected to the water supply cavity of the mechanical liquid continuous reversing device.
  • the mechanical liquid continuous reversing device is provided with a stator and a rotor, and more than two through holes are opened on the peripheral wall of the stator.
  • the stator cavity is equipped with a rotor, the rotor is provided with chambers, the upper and lower ends of the chamber are opened, the rotor peripheral wall is provided with two through holes, and the rotor chamber is provided with an isolation component which separates the rotor cavity into water supply Cavity and return water cavity, and close one end of the water supply cavity and the return water cavity, the water supply cavity and the return water cavity respectively correspond to the through holes in the peripheral wall of the rotor to form a supply and return liquid channel, and the isolation component is connected with the transmission shaft connection as The main shaft of the water pump cooperates with the mechanical liquid continuous reversing device to enable the water pump to drive the rotor to rotate.
  • Each pipe joint on the stator passes through the pipe and the respective Cylinder connection.
  • the partition plate of the isolating component is a straight plate or a slant plate. One end of the partition plate is connected to the first blocking plate, and the other end of the partition plate is connected to the second blocking plate.
  • the second blocking plate is parallel to the first blocking plate.
  • the isolation member is an inclined plate, and the two ends in the height direction of the inclined plate are respectively located at the inner walls of the upper and lower ends of the rotor chamber, and are connected to the rotor to divide the rotor chamber into a water supply chamber and a return water chamber.
  • the partition plate, the second blocking plate and the first blocking plate are of an integrated or split structure, and each connection is curved toward the inner wall side of the chamber.
  • the isolation component is a structure in which the partition is connected to the first blocking plate and the flow guide, the partition is a straight plate, one end in the height direction of the partition is connected to the first blocking plate, and the upper surface of the first blocking plate is connected to the first flow guide; The other end of the plate height direction is connected to the second blocking plate, the lower end surface of the second blocking plate is connected to the second flow guide, the first blocking plate is connected to the first flow guide, the second blocking plate is connected to the second flow guide, the first The one side of the flow guide and the second side flow guide facing the inner wall of the rotor chamber are both curved surfaces.
  • a first cylinder and a second cylinder are respectively installed at both ends of the rotor in the height direction.
  • the diameters of the inner walls of the first cylinder and the second cylinder are equal to the diameter of the rotor.
  • the first fluid guide is provided in the first cylinder.
  • One end of the flow guide is connected to one end of the isolation member, the other end of the first flow guide is connected to the inner wall of the first ring; a second flow guide is provided in the second cylinder, and one end of the second flow guide is connected to the other end of the isolation section The other end is connected to the inner wall of the second cylinder; after the first flow guide, the second flow guide and the isolation member are connected, the rotor, the first cylinder and the second cylinder are separated into a water supply chamber and a return water chamber.
  • a liquid buoyancy propulsion bearing is installed on the axial end of the rotor of the water pump or the mechanical liquid continuous reversing device.
  • the liquid buoyancy propulsion bearing is ring-shaped, and several grooves are formed on one end surface of the ring.
  • the ring is evenly distributed in the center.
  • the radial cross-section of the groove is arc-shaped, and the connection between the arc-shaped line and the ring-shaped bearing surface is rounded.
  • the main shaft of the water pump and the rotor of the mechanical continuous liquid commutation device are driven to rotate by an electric motor, or the main shaft of the water pump and the rotor of the mechanical liquid continuous commutation device are respectively driven to rotate.
  • the rotor of the mechanical liquid continuous reversing device and the turbine connected to the rotor are integrated to drive rotation.
  • the advantage of the present invention is that it completely solves the various shortcomings of the existing liquid piston air compressor design using the reversing valve as the liquid reversing mechanism.
  • the liquid piston air compressor of the present invention uses a mechanical liquid continuous reversing device. Like a mechanical crankshaft, it can continuously realize the reciprocating movement of the liquid piston at high frequency, making the liquid piston air compressor from theoretical research to reality. Really become a product, become the norm of industrial production.
  • the liquid piston air compressor of the present invention runs smoothly without strong vibration due to liquid pulsation, the air compressor has low operating noise, low failure rate, no oil lubrication, high efficiency and environmental protection.
  • the invention also has the advantages of greatly reducing the amount of maintenance and greatly reducing the manufacturing cost.
  • FIG. 1 is a schematic diagram of the structure of the invention
  • Figure 2 is a schematic diagram of the side structure of Figure 1
  • Figure 3 is a schematic diagram of the NN sectional structure of Figure 2
  • Figure 4 is a schematic diagram of one embodiment of the invention, mainly showing machinery In the liquid continuous commutation device, the motor driving the rotor and the motor driving the pump are separated from each other.
  • FIG. 5 is a schematic side view of FIG. 4
  • FIG. 6 is a schematic sectional view of PP in FIG. 5;
  • FIG. 7 It is the second structural schematic diagram of the embodiment of the present invention, which mainly shows that the rotor in the mechanical liquid continuous commutation device is driven by the impeller connected to it, and the impeller's power is derived from the flow kinetic energy of the circulating liquid;
  • Figure 8 is the Q direction in Figure 7 Schematic structural diagram;
  • Fig. 9 is a schematic sectional view of SS in Fig. 8;
  • Fig. 10 is a schematic diagram of the third embodiment of the present invention, mainly illustrating the structure in which the rotor and the water pump turbine are integrated into a mechanical liquid continuous reversing device;
  • 11 is a schematic diagram of the W direction structure in FIG. 10;
  • FIG. 12 is a schematic diagram of the NN cross-sectional structure in FIG. 11;
  • FIG. 13 is a manner in which the circulating water pipeline of the present invention is divided into multiple pipelines in parallel, this structure is beneficial to circulating liquid Heat dissipation;
  • Fig. 14 is a schematic diagram of the Y-direction structure in Fig. 13;
  • Fig. 15 is a schematic diagram of the mechanical liquid continuous reversing device of the present invention;
  • Fig. 16 is a schematic view of the axonometric structure of Fig. 15;
  • Fig. 17 is the side of Fig. 15
  • FIG. 18 is a schematic diagram of the DD sectional structure of FIG. 17;
  • FIG. 19 is a diagram of the structure of the rotor 2 in FIG. 15;
  • FIG. 20 is a diagram of the axonometric structure of FIG. 19;
  • FIG. 21 is a diagram of FIG. 20 Schematic structural view from the side;
  • FIG. 22 is a schematic sectional view taken along the line AA in FIG. 21;
  • FIG. 23 is a structural schematic view of one embodiment of the rotor;
  • FIG. 24 is a schematic structural view of FIG. 23;
  • FIG. 25 is a schematic view of FIG. Side view structure diagram;
  • FIG. 26 is a BB sectional structure diagram in FIG. 25;
  • FIG. 27 is a structure diagram of the second embodiment of the rotor in FIG. 15;
  • FIG. 28 is an axonometric structure diagram in FIG. 27;
  • FIG. 29 is 28 is a schematic diagram of the side structure;
  • FIG. 30 is a schematic diagram of the BB cross-sectional structure in FIG. 29;
  • FIG. 30 is a schematic diagram of the BB cross-sectional structure in FIG. 29;
  • FIG. 30 is a schematic diagram of the BB cross-sectional structure in FIG. 29;
  • FIG. 30 is
  • FIG. 31 is a schematic diagram of the stator structure in FIG. 15;
  • FIG. 32 is a schematic diagram of the axonometric structure in FIG. Schematic diagram of the side view of the structure;
  • Figure 34 is a schematic diagram of the CC cross-sectional structure in Figure 33;
  • Figure 35 One of the structural schematic diagrams of an embodiment that uses a mechanical structure to drive the rotor to rotate;
  • FIG. 36 is a schematic diagram of the axonometric structure of FIG. 35;
  • FIG. 37 is a schematic diagram of the side structure of FIG. 35;
  • FIG. 38 is a schematic diagram of the EE sectional structure of FIG.
  • Figure 39 is a schematic structural view of the second embodiment of a turbine driven rotor;
  • Figure 40 is a schematic view of the axonometric structure of Figure 39;
  • Figure 41 is a schematic side view of the structure of Figure 39;
  • Figure 42 is the FF in Figure 41 Schematic structural view in cross section;
  • Fig. 43 is the third structural schematic view of the embodiment in which the pump and the rotor are integrated;
  • Fig. 44 is the schematic structural view in axonometric view of Fig. 43;
  • Fig. 45 is the schematic structural view in plan view of Fig. 43; HH structural diagram in 45;
  • Fig. 47 is the fourth structural diagram of the embodiment of the centrifugal turbo pump rotor;
  • Fig. 48 is the axonometric structural diagram of Fig.
  • FIG. 47; Fig. 49 is the side structural diagram of Fig. 47; 50 is a schematic cross-sectional view of II in FIG. 49;
  • FIG. 51 is a schematic structural view of an embodiment of the key connection assembly rotor of the present invention;
  • FIG. 52 is a schematic structural view of FIG. 51;
  • FIG. 53 is a side view of FIG. 52 Schematic structure;
  • Figure 54 is J in Figure 53 -J sectional structure diagram;
  • FIG. 55 is a structure diagram of a floating thrust bearing used in an embodiment of the present invention;
  • FIG. 56 is a shaft side structure diagram of FIG. 55;
  • FIG. 57 is a side structure diagram of FIG. 55;
  • 58 is a schematic diagram of the structure of KK in FIG. 57.
  • the liquid piston air compressor of the present invention includes an air compressor support member and a liquid circulation pipe.
  • the water pump inlet of the air compressor is connected to the opening of the return chamber of the mechanical liquid continuous reversing device, and the water pump of the air compressor
  • the water outlet is connected to the water supply cavity of the mechanical liquid continuous reversing device.
  • the mechanical liquid continuous reversing device is provided with a stator and a rotor. More than two through holes are opened on the peripheral wall of the stator, and the through holes are connected to the corresponding pipe joints; the stator
  • the rotor is installed in the inner cavity, and the rotor is provided with chambers, the upper and lower ends of the chamber are opened, and two through holes are opened in the rotor peripheral wall.
  • the rotor chamber is provided with an isolation component, which separates the rotor chamber into a water supply chamber and a return water chamber One end of the water supply chamber and the return water chamber is closed.
  • the water supply chamber and the return water chamber respectively correspond to the through holes in the peripheral wall of the rotor, forming a supply and return liquid channel, the isolation component is connected with the transmission shaft connection piece, and the main shaft of the water pump is mechanical
  • the liquid continuous reversing device cooperates to enable the water pump to drive the rotor to rotate, and each pipe joint on the stator is connected to the respective cylinder through the pipe.
  • the partition plate 3 of the isolation member is a straight plate or a slant plate, one end of the partition plate 3 is connected to the first blocking plate 4, the other end of the partition plate 3 is connected to the second blocking plate 33, and the second blocking plate 33 and the first blocking plate 4
  • the rotor chamber is divided into a water supply chamber and a return water chamber, respectively, and one end of the water supply chamber and the return water chamber is closed.
  • the isolation member is an inclined plate, and the two ends in the height direction of the inclined plate are respectively located at the inner walls of the upper and lower ends of the rotor chamber, and are connected to the rotor to divide the rotor chamber into a water supply chamber and a return water chamber.
  • the partition plate 3, the second blocking plate 33 and the first blocking plate 4 are of an integrated or split structure, and each connection is curved toward the inner wall side of the chamber.
  • the isolation member is a structure in which the partition 3 is connected to the first blocking plate 4 and the flow guide.
  • the partition 3 is a straight plate.
  • One end of the partition 3 in the height direction is connected to the first blocking plate 4, and the upper end surface of the first blocking plate 4 is connected to the first A fluid guide 31 is connected;
  • the other end of the partition plate 3 in the height direction is connected to the second blocking plate 33, the lower end surface of the second blocking plate 33 is connected to the second conductive plate 32, and the first blocking plate 4 is connected to the first conductive plate 31,
  • the second blocking plate 33 is connected to the second fluid guide 32, the sides of the first fluid guide 31 and the second fluid guide 32 facing the inner wall of the rotor chamber are curved surfaces.
  • a first cylinder 5 and a second cylinder 6 are respectively installed at both ends of the rotor in the height direction.
  • the diameters of the inner walls of the first cylinder 5 and the second cylinder 6 are equal to the diameters of the inner walls of the rotor.
  • Conductor 31, one end of the first conductive member 31 is connected to one end of the isolation member, the other end of the first conductive member 31 is connected to the inner wall of the first ring 5; the second conductive member 32 is provided in the second cylinder 6, the second conductive member 32 One end is connected to the other end of the isolation member, and the other end of the second flow guide 32 is connected to the inner wall of the second cylinder 6.
  • a liquid buoyancy propulsion bearing 16 is installed on the axial end of the rotor of the water pump main shaft or the rotor 2 of the mechanical liquid continuous reversing device.
  • the liquid buoyancy propulsion bearing is annular, and a plurality of grooves 20 are provided on one end surface of the ring.
  • the grooves 20 are evenly distributed in a radial shape with the ring as the center.
  • the radial cross section of the groove 20 is arc-shaped, and the connection between the arc line and the force-bearing surface of the ring is rounded.
  • the main shaft of the water pump and the rotor of the mechanical continuous liquid commutation device are driven to rotate by an electric motor, or the main shaft of the water pump and the rotor of the mechanical liquid continuous commutation device are respectively driven to rotate.
  • the rotor of the mechanical liquid continuous reversing device and the turbine connected to the rotor are integrated to drive rotation.
  • the air cylinders of the air compressor according to the present invention are respectively connected to the openings on the peripheral wall of the stator of the mechanical continuous reversing device through pipes.
  • the openings of the peripheral wall of the stator are shown as four, as shown in the figure.
  • Intake pipe an intake check valve is installed between the respective intake pipe and the intake port of the cylinder, so that the gas can not enter or exit.
  • the intake end of each intake pipe is connected to the main intake pipe, and the intake port of the intake pipe faces Motor or motor heat dissipation device is convenient for motor heat dissipation.
  • An air outlet check valve is connected between each air outlet pipe and the air outlet of the cylinder, so that the gas cannot only enter or exit, and the air outlet end of each air outlet pipe is connected to the general air outlet main pipe.
  • the lowest part of the circulating water main pipeline of the air compressor of the present invention is provided with an external pipe and a valve for water replenishment and sewage discharge.
  • the circulating water main pipeline, the cylinder connecting pipe and other components located at the lower part of the air compressor are connected to the bracket and the base.
  • the drawings show several embodiments of the air compressor of the present invention.
  • the source structure is different.
  • the motor driving the rotor and the pump motor are the same motor 49.
  • the opening of the rotor's liquid supply chamber is connected to the water outlet of the water pump 37.
  • the opening of the rotor's liquid return chamber is connected to the water inlet of the water pump 37 through the circulating water main pipe 51.
  • the main shaft 53 of the water pump impeller 54 is connected to the rotor by extending or adding a connecting shaft to realize the water pump
  • the impeller 54 and the rotor are driven by the same motor 49 to rotate.
  • the stator in the mechanical liquid continuous reversing device of this embodiment has four through holes. Each through hole is connected to the corresponding cylinder through a pipe joint and a pipe. The opening at the top of each cylinder is connected to the air outlet pipe and the air inlet pipe, the one-way valve and the
  • the other structures are as shown in the position in the figure and are the same as the structures described in the present invention.
  • FIGS. 4-6 mainly show that the rotor in the mechanical liquid continuous reversing device is driven by the first motor 55, and the water pump is driven by the second motor 49.
  • the first motor 55 is mounted on the bracket.
  • the first motor 55 is connected to the rotor 2 through a connecting shaft 53.
  • One end of the connecting shaft 53 is located at the axial center of the rotor 2.
  • One end of the water pump connecting shaft 56 is connected to the second motor 49, and the check valve and other structures are the same as those described in the present invention.
  • the liquid supply chamber of the mechanical liquid continuous reversing device is connected to the water outlet of the water pump 37 through a pipeline, and the liquid return chamber of the mechanical liquid continuous reversing device is connected to the water inlet of the water pump 37 through a pipeline.
  • the connecting pipeline between the water pump and the mechanical liquid continuous reversing device is called the circulating water main pipeline (referred to as the main pipeline).
  • the main pipeline is provided with a water supply pipe.
  • the rotor is connected to the shaft of the rotor motor 55 through a connecting shaft 53 inserted into its central connecting shaft hole and penetrating the outer wall of the main pipe and a coupling.
  • the four openings on the side wall of the stator are respectively connected to corresponding cylinders (or hydraulic tanks) through pipes, and the top of the cylinders is connected to the intake pipe and the exhaust pipe, respectively.
  • Each intake pipe has an intake check valve
  • each exhaust pipe has an exhaust check valve.
  • the intake pipe is connected to a unified intake main pipe on the intake side of the check valve.
  • the exhaust pipe is connected with a unified exhaust main pipe on the outlet side of the check valve.
  • the water supply pipe valve When the air compressor is turned on for the first time, the water supply pipe valve is first opened to fill the air compressor with water, and the water supply pipe valve is closed when the water level reaches the intermediate liquid level of the cylinder. At this time, the rotor motor and the pump motor are started simultaneously. The water in the main pipe starts to circulate and the rotor starts to rotate.
  • the stator side wall nozzles are named D1, D2, D3, D4 in the clockwise direction of the stator circumference.
  • the corresponding cylinders air pressure tanks
  • stator side wall port D1 corresponds to the central opening of the rotor water supply cavity, it communicates with the main pipe water supply, and the cylinder Q1 connected to D1 begins to enter the water. At this time, the gas in the cylinder Q1 is compressed and discharged from the exhaust pipe. At the same time, the nozzle D3 opposite the stator side wall nozzle D1 corresponds to the central opening of the rotor return water chamber, which communicates with the return water main pipe, and the connected cylinder Q3 starts to return water. At this time, the cylinder Q3 starts to suck through the intake pipe gas. The rotor has been rotating continuously.
  • the stator nozzle D1 When the central opening of the rotor return water chamber turns to the position of the stator nozzle D1, the stator nozzle D1 communicates with the main pipe return water port, and the cylinder Q1 corresponding to D1 begins to return water. At this time, the cylinder Q1 draws air through the intake pipe; The opening in the middle of the sub-water supply chamber corresponds to the inlet water of the main pipe, and the cylinder Q3 starts to enter the water. At this time, the gas in the cylinder Q3 is compressed and exhausted through the exhaust pipe.
  • the cylinders Q2, Q4 also repeat the process of Q1, Q3. In this way, the four cylinders of the air compressor repeatedly supply and return water, simultaneously inhale and exhaust, and the two pairs of cylinders relay each other, continuously working, providing compressed gas or continuous air supply for the gas load. .
  • the rotor motor and the water pump motor do not interfere with each other, work cooperatively, and are individually controlled.
  • the shaped product water pump can be used, which is beneficial to the rapid mass supply of the water pump and has certain benefits for improving production efficiency and quality control.
  • FIGS. 7-9 mainly shows that the power of the rotor and the impeller 15 in the mechanical liquid continuous commutation device comes from the kinetic energy of the circulating liquid.
  • the liquid is generated by the rotation of the water pump, and the rotor speed is determined by the impeller parameters and the circulating water. The parameters are determined together. That is: the rotation of the rotor does not require external power, and the rotation of the rotor is driven by the water flow.
  • This structure is a kind of cooperation mode in which the main shaft of the water pump is not directly connected to the rotor of the mechanical liquid continuous reversing device, and the structure and the positional relationship of each component are not changed.
  • the opening of the return chamber of the mechanical liquid continuous reversing device of this embodiment is connected to the water inlet of the pump body 58 of the pump, and the opening of the liquid supply chamber of the mechanical liquid continuous reversing device is connected to the pump body 58 of the pump through the circulating water main pipe 51
  • the water outlet is connected, and four through holes are opened on the stator wall of the mechanical liquid continuous reversing device.
  • the through holes are respectively connected to the corresponding cylinders through pipes.
  • the openings at the top of each cylinder are connected to the air outlet pipe and the air inlet pipe respectively.
  • the air intake check valves are connected between the air intake ports, and the intake side intake pipe of each air intake check valve is connected to the air intake main pipe.
  • the air intake port of the air intake main pipe faces the motor 44 or the heat sink of the motor, which is convenient for the motor to dissipate heat;
  • An air outlet check valve is connected between the air outlet pipe and the cylinder air outlet, and the air outlet pipe of the air outlet side of each air outlet check valve is connected to the air outlet main pipe.
  • a turbine 15 and a thrust bearing 16 are installed on a shaft integrally connected to the rotor, and a thrust bearing 16 is installed at the water outlet end of the rotor.
  • the other structure is the same as the structure described in the present invention.
  • the operating principle of the air compressor of this embodiment is the same as that of the above embodiment.
  • the pipeline connection is the same as the operating principle.
  • the mechanical liquid continuous reversing device driven by the turbine is used, and the rotor rotates by its own turbine. It is powered by the impulse of circulating water in the main pipeline, and there is no special motor, nor directly driven by the pump motor.
  • the advantage of this is that the overall structure is compact, and the pump can be purchased in batches with fixed products; the disadvantage is that the rotor speed is determined by the pump flow rate pressure flow and multiple parameters of the turbine blade, and the rotor geometry and cylinder capacity are more cumbersome in design.
  • 10-12 are another embodiment of the present invention.
  • This embodiment is characterized in that the rotor of the mechanical liquid continuous reversing device and the structure of the water pump turbine are integrated.
  • the rotor is connected with the shaft as one, the turbine is installed at both ends of the shaft, and the thrust bearing 16 is installed at the water inlet of the rotor.
  • the rotation of the rotor is driven by the electric motor, and other structures are the same as those described in the present invention.
  • the operating principle of the air compressor of this embodiment is the same as the above embodiment. It is just that the mechanical liquid continuous reversing device completely integrates the water pump turbine and the rotor, adopts the same electric motor to drive, and has the most compact structure, and the rotor speed is synchronized with the turbine speed.
  • the circulating water main pipe of the air compressor adopting this structure can adopt a single thick main pipe like the above-mentioned air compressors, or can divide multiple pipe ports at the water supply port and the water pump outlet of the mechanical liquid continuous reversing device, and Multiple pipes are connected in parallel to facilitate the heat dissipation of the liquid.
  • the structure in which the circulating water is connected in parallel and distributed uniformly is more conducive to the balance of the center of gravity of the equipment and reduces the vibration.
  • each through hole is evenly distributed on the circumference, and each through hole is connected to a corresponding connecting pipe.
  • the stator is cylindrical, and flanges are installed on the upper and lower ends of the cylinder to connect it with other components.
  • Figures 31-34 show the structure of one of the embodiments of the stator.
  • the stator 1 includes a cylinder 9, four connecting pipes on the cylinder 9 communicate with the four through holes on the cylinder 9, the cylinder 9 A ring 10 is installed at one end of the ring, the outer diameter of the ring 10 is the same as the outer diameter of the cylinder 9, and the inner diameter of the ring 10 is the same as the inner diameter of the opening of the rotor 2 end.
  • Fig. 31, 11-2 is an external flange.
  • FIGS. 19-22, 23-26, and 27-30 The structure of the rotor according to the present invention is shown in FIGS. 19-22, 23-26, and 27-30. These structures are different embodiments of the rotor 2.
  • the basic structure of the rotor 2 is shown in FIGS. 27-30, and the rotor is a cylinder. There are three embodiments of the rotor, and the invention is not limited to these three methods.
  • Embodiment 1 A cavity is provided on the inner wall of the rotor 2, two through holes are formed on the peripheral wall of the rotor 2, and a partition 3 is provided in the cavity of the rotor.
  • the partition 3 divides the cavity of the rotor 2 into two independent small chambers, namely :
  • the water supply chamber and the return water chamber can be called a first independent small chamber 34 and a second independent small chamber 35.
  • the volumes of two independent small chambers are equal, and in special cases, different volumes of independent small chambers can be set according to actual needs.
  • Each independent small chamber according to the present invention communicates with a corresponding through hole, the first independent small chamber 34 corresponds to the first through hole 37, and the second independent small chamber 35 corresponds to the second through hole 36 Connected.
  • a plugging plate is used to close one end of the independent small cavity.
  • the second blocking plate 33 closes one end of the first independent small chamber 34 and the other end of the first independent small chamber 34 is open; the first blocking plate 4 closes one end of the second independent small chamber 35 and the second independent small The other end of the chamber 35 is open.
  • the second blocking plate 33 and the lower port of the rotor 2 are in the same plane, the first blocking plate 4 and the upper port of the rotor 2 are in the same plane, and the partition plate 3 is connected to the second blocking plate 33 and the first blocking plate 4 as a whole
  • the partition 3 can also be manufactured separately from the second blocking plate 33 and the first blocking plate 4 and then installed separately.
  • Two through holes are formed in the peripheral wall of the rotor 2, and the two through holes are symmetrically distributed on the peripheral wall of the rotor.
  • the two through holes are square holes, and the two square holes are symmetrically distributed on the circumferential wall of the rotor with the central axis as the center.
  • the square hole can be square or rectangular.
  • the through holes in the rotor peripheral wall may also be elliptical or circular holes.
  • the two independent small chambers on the rotor 2 are the return water chamber and the water supply chamber, respectively.
  • the two through holes formed on the peripheral wall of the rotor 2 are located at the middle of the height of the rotor 2 and are the same in height as the through holes of the stator peripheral wall.
  • the net distance between the two through holes in the outer arc of the rotor is greater than or equal to the arc length of the stator peripheral wall through holes in the inner circumference of the stator peripheral wall. It is preferred to prevent the supply and return water from forming a series flow at a certain stator nozzle, causing energy loss.
  • Figures 19-22 show a second structural schematic of the rotor embodiment.
  • the isolating component in the rotor chamber is a ternary streamline gradual structure. It can be an inclined plate.
  • the inclined plate is mainly used to directly divide the rotor chamber into two. Independent small chambers. As shown in the figure, the thickness of the two ends of the inclined plate is large, which acts as a blocking plate and isolates the liquid from the rotor chamber into two independent small chambers.
  • the two independent small chambers of the rotor are symmetrically distributed on its circumference. When used, the two independent small chambers form a return water chamber and a water supply chamber. This structure can make the liquid flow in and out more smoothly, and the fluid resistance is further reduced.
  • Figures 23-26 show that the rotor is the third embodiment.
  • the first ring 5 and the second ring 6 are installed at both ends of the rotor 2 in the height direction.
  • the second ring 6 can be made integrally with the rotor, or can be made separately, and installed separately.
  • the addition of two rings can increase the volume of the chamber at the upper and lower ends of the rotor, which is suitable for the installation of a variety of devices using the commutation device of the present invention.
  • the height of the increased ring is set according to the requirements of use.
  • the chamber above the ring is connected by a ternary streamline gradual flow guide, a baffle plate, and a blocking plate to reduce the fluid resistance of the liquid supply and the return channel.
  • the second flow guide 32 is connected to the second blocking plate 33.
  • the structure, shape and function of the second flow guide 32 are the same as those of the first flow guide 31. In the embodiment shown in FIG.
  • the first flow guide 31, the first blocking plate 4, the partition plate 3, the second blocking plate 33, and the second flow guide 32 can be integrated into one body.
  • the chamber is divided into two independent small chambers, and the through hole formed in the peripheral wall of the rotor forms a liquid supply and return channel, and the liquid flow resistance is further reduced, and at the same time, it is easy to install various forms of transmission components.
  • the flow guide, the partition plate and the blocking plate are combined into components, install each component one by one according to its function.
  • the curved shapes of the first flow guide 31 and the second flow guide 32 shown in FIG. 24 of the present invention are one of the preferred solutions.
  • the isolating part in the structure of the present invention can be connected with transmission shafts of various structures.
  • the middle shaft 13 is installed in the middle of the structure shown in Figs. 35-38.
  • the middle shaft 13 is a hollow shaft connected with the isolating component.
  • One end of the middle shaft 13 is provided with a head 14 and the other end is open for connecting an external drive shaft. .
  • This structure can realize the mechanical drag operation of the commutation device of the present invention.
  • connection mode of the isolation component and the transmission component in the structure of the present invention may also be the structure described in FIGS. 39-42.
  • the isolating member is integrally connected with the turbine shaft 34, and the first turbine 15 and the second turbine 35 are respectively installed at both ends of the turbine shaft 34, and the thrust bearing 16 is preferably used in this structure.
  • FIG. 43-46 Another embodiment is shown in Figs. 43-46.
  • the rotor and the pump turbine are integrated.
  • a third turbine 17 or a fourth turbine 36 is installed at one or both ends of the central shaft connecting hole tube 18, the maximum diameter of the turbine is the same as the outer diameter of the rotor 2, the turbines 17 and 36 are connected to the rotor, and the turbines 17 and 36 are connected to the axial center of the rotor
  • the central shaft connecting hole tube 18 and the shaft hole keyway are respectively provided.
  • One end of the middle shaft connecting hole tube 18 is inserted into or passed through the middle shaft is open, the other end is closed by a plug 19, and the outer end of the plug 19 is rounded.
  • a thrust bearing 16 is provided between the liquid inlet end of the rotor 2 and the turbine and the inner wall of the stator.
  • the rotor 2 is connected to the motor through the middle shaft. This allows the water pump and the mechanical liquid continuous reversing device of the present invention to be completely integrated into one body for synchronous rotation.
  • FIGS. 47-50 The structure of the rotor externally connected to the centrifugal turbine in the mechanical liquid continuous reversing device according to the present invention is shown in FIGS. 47-50, wherein the connection mode of the centrifugal turbine 17-2 or the turbine and the rotor may be one-time casting molding, or It is a separate assembly welding, or the key connection is shown in Figures 51-54.
  • the key connection form is to open a key hole at the junction of the basic structure of the rotor, the outer wall of the turbine and the central shaft, and provide the first connection key 21 and the second connection key 22 to form an integral rotor in an assembled form.
  • the thrust bearing 16 selected in the present invention has two structures, one is a mechanical thrust bearing, and the other is a liquid floating thrust bearing.
  • This liquid floating thrust bearing is circular.
  • On the ring of the thrust bearing ring a number of grooves are evenly distributed in a radial shape with the center of the ring as the center. 20.
  • the radial cross section of the groove 20 is arc-shaped, and the connection point between the arc line and the edge of the ring's stress surface is rounded.
  • the liquid will form a liquid film lubrication and liquid film support between the bearing surface of the liquid floating bearing and the opposite bearing surface.
  • the groove 20 can also be formed on the upper and lower surfaces of the floating bearing ring, which can realize the axial bidirectional positioning of the rotor.
  • the matching gap between the rotor and the stator preferably forms a liquid film between the matching surfaces of the rotor and the stator with a reasonable liquid flow path.
  • “Supply” or “return” in the "water supply chamber” and “return water chamber” described in the present invention is not determined by itself, but depends on whether the height of the chamber is connected to the open pipe and is connected to the outlet or inlet of the pump . If the opening of the chamber is connected to the outlet of the water pump, the chamber is called the “water supply chamber”, and the inlet of the other chamber to the water pump is called the “return water chamber”; vice versa.
  • the pump body of the embodiment of the present invention is conventionally referred to as a "water pump", the description of the rotor structure in this article has the title of “water supply chamber” or “return water chamber”; “water” here represents all that can be used for the work of the present invention
  • the liquid is not limited to "water”.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne un compresseur d'air à piston liquide, comprenant un élément de support de compresseur d'air et une conduite de circulation de liquide. Une entrée d'eau d'une pompe à eau (37) du compresseur d'air est reliée à une ouverture d'une cavité de retour d'eau d'un dispositif mécanique de commutation continue de liquide, et une sortie d'eau de la pompe à eau (37) du compresseur d'air est reliée à une cavité d'alimentation en eau du dispositif mécanique de commutation continue de liquide. Le dispositif mécanique de commutation continue de liquide est pourvu d'un stator (1) et d'un rotor (2). Un arbre principal de la pompe à eau (37) coopère avec le dispositif mécanique de commutation continue de liquide pour permettre à la pompe à eau (37) d'entraîner le rotor (2) en rotation. Chaque joint de conduite sur le stator (1) est relié à un cylindre respectif au moyen d'une conduite.
PCT/CN2019/091553 2018-10-16 2019-06-17 Compresseur d'air à piston liquide WO2020078023A1 (fr)

Applications Claiming Priority (4)

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CN201811205932 2018-10-16
CN201811205932.4 2018-10-16
CN201811328000.9A CN109356849B (zh) 2018-10-16 2018-11-08 一种液体活塞空压机
CN201811328000.9 2018-11-08

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WO2020078023A1 true WO2020078023A1 (fr) 2020-04-23

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Publication number Priority date Publication date Assignee Title
CN109356849B (zh) * 2018-10-16 2019-12-06 山东青耕电气有限公司 一种液体活塞空压机
CN111237177B (zh) * 2019-11-21 2023-09-26 宿州市信拓重型装备制造有限公司 一种改进型机械式液体连续换向装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US883696A (en) * 1907-11-01 1908-04-07 George P Carroll Hydraulic air and gas compressor.
CN102953955A (zh) * 2011-08-22 2013-03-06 时剑 一种液体活塞压缩机
CN103195684A (zh) * 2012-01-09 2013-07-10 时剑 一种液体活塞压缩机
US20180100385A1 (en) * 2016-10-11 2018-04-12 Encline Artificial Lift Technologies LLC Liquid Piston Compressor System
CN109356849A (zh) * 2018-10-16 2019-02-19 孔祥真 一种液体活塞空压机

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2277977A (en) * 1940-01-27 1942-03-31 Louis H Hesse Heat transfer system
US5073090A (en) * 1990-02-12 1991-12-17 Cassidy Joseph C Fluid piston compressor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US883696A (en) * 1907-11-01 1908-04-07 George P Carroll Hydraulic air and gas compressor.
CN102953955A (zh) * 2011-08-22 2013-03-06 时剑 一种液体活塞压缩机
CN103195684A (zh) * 2012-01-09 2013-07-10 时剑 一种液体活塞压缩机
US20180100385A1 (en) * 2016-10-11 2018-04-12 Encline Artificial Lift Technologies LLC Liquid Piston Compressor System
CN109356849A (zh) * 2018-10-16 2019-02-19 孔祥真 一种液体活塞空压机

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