Energy conversion target for laser-based wall breaking of spores, wall-breaking device, and combined station

By using the principle of magnetic zero mass jet in the energy conversion target of laser wall-breaking spores, the problem of laminar flow and kinetic energy reduction in material fluid during flow is solved. By changing the working plane direction of the laser emission window, safety hazards for operators are eliminated and more efficient fluid treatment and safety guarantees are achieved.

WO2025066021A1PCT designated stage expired Publication Date: 2025-04-03HUNAN YUANKE LIANZHI ENTERPRISE MANAGEMENT CO LTD +1
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Patent Information

Application Number
PCT/CN2024/078971
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-09-26
Filing Date
2024-02-28
Publication Date
2025-04-03

AI Technical Summary

Technical Problem

In the water curtain process of laser wall-breaking spores or cells, the material fluid of the energy conversion target is prone to laminar flow during the flow process and leads to a reduction in kinetic energy. The horizontally installed energy conversion target has safety risks and the problem of reduced fluid flow rate.

Method used

A controllable turbulent flow field device based on the principle of zero-mass jet of magnetic force is adopted to form an interface area, a slope climbing area and a buffer reservoir area in the input drainage belt of the energy conversion target, and a magnetic stirrer is installed in the transition groove. Through the coordination of the magnetic stirrer and the speed control motor, strong interference is generated to trigger the fluid transition, thereby realizing the generation of the turbulent flow field.

Benefits of technology

By generating a controllable turbulent flow field, it ensures that the material fluid remains turbulent in the energy conversion target, improves the kinetic energy and flow rate of the fluid, solves the laminar flow and deposition problems, and eliminates the safety hazards of the operator by changing the working plane direction of the laser emission window.

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Abstract

An energy conversion target for laser-based wall breaking of spores, a wall-breaking device, and a combined station. The energy conversion target comprise a glass target (13); two sides of the glass target (13) are respectively provided with an input guiding zone (11) and an output guiding zone (16); a connector area (26), a climbing area (27) and a buffer liquid storage area (31) are formed in the input guiding zone (11); a transition recess (30) is fixedly provided on the inner wall of the input guiding zone (11), the transition recess (30) being located in the buffer liquid storage area (31), and a magnetic stirrer (28) being rotatably provided in the transition recess (30). The station formed by connecting in series N laser wall-breaking devices is an independent processing unit in a water curtain laser wall-breaking production line, which is completely modularized and enables industrial full-system automated control to be convenient and feasible. Except the glass target which is a consumable part and needs to be replaced in the case that a quartz glass panel is blurred due to the focal length drifting of a laser, the other parts of the energy conversion target are all selected from mature industrial products as much as possible, and parts needing to be customized are relatively simple. Therefore, the present invention achieves relatively high industrial applicability.
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Description

Energy conversion target, wall-breaking device and combined workstation based on laser-broken spores Technical Field

[0001] The present invention belongs to the technical field of laser wall breaking, and in particular relates to an energy conversion target, a wall breaking device and a combined workstation based on laser wall breaking spores. Background Art

[0002] The water curtain process for laser-breaking spores or cells has entered the R&D production line stage and has achieved certain results. Among the various modules that make up the water curtain process production line, one of the most important modules is the laser processing module. The main equipment of this module, the laser wall-breaking device, is the only device in the entire production line that converts light energy into heat energy through a medium. The energy conversion target, an important component of the laser wall-breaking device, is the place for energy conversion that converts light energy into heat energy.

[0003] The installation method of the energy conversion target is determined by the working plane of the laser emission window. First, the emission window working plane is horizontal. If horizontal light emission is used, the glass target must be installed vertically. Under the action of the peristaltic pump at the workstation, the material fluid is transformed into a water curtain wall flow pattern flowing from bottom to top in the flow channel of the energy conversion target. The flow channel and the glass target are in the same vertical plane. Newton's universal gravitation ensures that the water curtain wall flow pattern is always filled with material fluid in the glass target component of the energy conversion target. The operator can set the laser scanning area at the appropriate position of the glass target to perform laser scanning. The biggest advantage of using a vertical installation of the energy conversion target is that it simplifies the overall structure of the laser wall breaking device, the processing procedure is relatively simple, and the laser wall breaking device is low in cost. However, the disadvantage of the vertical installation method of the energy conversion target is that there is a safety hazard to the operator, and a special optical isolation wall needs to be built.

[0004] The vertical, top-down laser emission window dictates the second energy conversion target installation method, in which the glass target is mounted horizontally. The Z-shaped input and output drainage strips, combined with the glass target, create a constant vertical water surface gradient. This difference in elevation between the input and output drainage strips ensures a constant thin, flat sheet of fluid within the target. A peristaltic pump at the front of the laser wall-breaking device draws fluid from the production line's closed-loop delivery pipeline, maintaining dynamic fluid pressure. This continuous flow of fluid ensures a constant flow of the thin, flat sheet of fluid within the target. The horizontal energy conversion target position directs the laser's emission window toward the ground, eliminating the potential safety hazards for operators who might be directly exposed to the laser's emission window.

[0005] Spores and cells are insoluble ultrafine powders. For example, Ganoderma lucidum spores are only 7 μm in size. During transportation, suspensions of these ultrafine powders will rapidly shift toward laminar flow and inevitably sediment, leading to a rapid decrease in the kinetic energy of the spores or cells within the energy conversion target. Therefore, the energy conversion target urgently needs to address the need for a controllable turbulent flow field during the flow of the material fluid. Horizontally mounted energy conversion targets are constrained by the necessary elevation difference between the material fluid input and output, resulting in the fluid input and output channels being at different levels from the glass target. Furthermore, once the material fluid enters the energy conversion target in a cylindrical pipe, it begins to face changes in the target's flow field shape and size, resulting in a significant decrease in flow velocity. Low-speed flow will more rapidly shift toward laminar flow and media sedimentation. At this point, an external force is required to provide energy to induce a transition within the input channel, triggering a sudden transition from laminar to turbulent flow. Generally, there are three situations for controlling fluid transition. Horizontal energy conversion targets can apply bypass transition, which is caused by strong interference from external input energy. This causes the disturbance of the fluid in the boundary layer to increase algebraically, and the fluid no longer obeys the exponential law but suddenly turns into turbulence. The greater the external interference, the more intense the turbulence in the flow field.

[0006] Summary of the Invention

[0007] The XYZ coordinate system described below is a right-handed XYZ three-axis coordinate system, where the X and Y axes form a horizontal plane, and the Z axis is perpendicular to the horizontal plane. The material fluid referred to below specifically refers to a suspension fluid composed of spores, cells, and pure water that conforms to a Newtonian fluid.

[0008] The horizontal energy conversion target consists of a Z-shaped input drainage belt, a glass target, a Z-shaped output drainage belt and a blackened alloy frame surrounding the glass target.

[0009] Based on the structure of the input drainage zone in a horizontal energy conversion target and utilizing the principle of magnetic zero-mass jets, this invention provides a device capable of generating a controllable turbulent flow field within the input drainage zone of the energy conversion target, thereby achieving a turbulent flow state for the material fluid entering the glass target. According to Coulomb's law, a continuously distributed magnetic field within a certain spatial region is a zero-mass vector field. The strength of the magnetic field is related to the magnetic induction intensity B of the permanent magnet itself and the distance L between the two permanent magnets. Due to the magnetic field induction effect, two permanent magnets separated by a certain distance can transfer power from one permanent magnet to the other through the coupling force of the two permanent magnets without any traditional mechanical components, forming a zero-mass contactless transfer jet mechanism.

[0010] To achieve the above objectives, the present invention provides the following preferred technical solutions for a controllable fluid transition type horizontal energy conversion target.

[0011] The technical solution adopted by the present invention is as follows: an energy conversion target based on laser-broken spores includes a glass target, and an input drainage belt and an output drainage belt are respectively provided on both sides of the glass target; an interface area, a climbing area and a buffer storage area are formed inside the input drainage belt, the interface area is connected to the glass target, the buffer storage area is away from the interface area, and the climbing area is located between the interface area and the buffer storage area; a transition groove is fixedly provided on the inner wall of the input drainage belt, the transition groove is located in the buffer storage area, and a magnetic stirring bar is rotatably provided in the transition groove; a zero-mass magnetic jet generator is provided on one side of the input drainage belt, and the zero-mass magnetic jet generator includes a speed regulating motor, a rotating base is fixedly provided on the output shaft of the speed regulating motor, the rotating base is located on one side of the input drainage belt with the magnetic stirring bar, and an S-pole magnetic disk and an N-pole magnetic disk are fixed on the rotating base.

[0012] As a preferred embodiment of the present invention, the glass target includes an ultraviolet or extreme ultraviolet optical quartz glass panel, a high-transmittance ordinary pure glass back panel and glass longitudinal ribs. A thin flat fluid channel with a hollow space is formed between the panel, the back panel and the longitudinal ribs, and the longitudinal ribs are bonded and fixed to the panel and the back panel by non-toxic glue.

[0013] As a preferred embodiment of the present invention, it further includes an alloy frame, the glass target is arranged in the alloy frame, the glass target and the alloy frame are fixedly connected, and the glass target is respectively communicated with the sides of the input drainage belt and the output drainage belt that are close to each other; a pagoda joint is respectively fixedly provided at one end of the input drainage belt and the output drainage belt that are away from each other, and a defoaming tube is fixedly provided on one side of the output drainage belt.

[0014] As a preferred embodiment of the present invention, it also includes a base, a connecting plate is slidably provided on one side of the base, a first motor is fixedly provided at one end of the base, a first screw rod is fixedly provided on the output shaft of the first motor, a first threaded block is provided on the first screw rod, the first threaded block is threadedly engaged with the first screw rod, the first threaded block is fixedly connected to the connecting plate, a mounting plate is slidably provided on one side of the connecting plate, a second motor is fixedly provided at one end of the connecting plate, a second screw rod is fixedly provided on the output shaft of the second motor, a second threaded block is provided on the second screw rod, the second threaded block is threadedly engaged with the second screw rod, the second threaded block is fixedly connected to the mounting plate, and the alloy frame is mounted on the mounting plate by a second fastening screw.

[0015] As a preferred embodiment of the present invention, the front projection of the input drainage belt is Z-shaped, the climbing area has an angle with the horizontal plane, the top projection of the transition trough is circular, and the input drainage belt forms a defoaming space on the upper side of the transition trough.

[0016] As a preferred embodiment of the present invention, the zero-mass magnetic jet generator corresponds to the liquid storage buffer zone of the input drainage belt, the zero-mass magnetic jet generator is located below the transition groove, and the installation distance between the zero-mass magnetic jet generator and the transition groove is adjustable.

[0017] A device for breaking plant spores and cells based on laser wall breaking comprises the energy conversion target and a carrying plate, wherein a support is fixedly provided on the carrying plate, and an end of the support away from the carrying plate is fixedly connected to the base, a mounting frame is provided on one side of the support, and the mounting frame is fixedly connected to the carrying plate, a laser emitter is fixed on the mounting frame, and the laser emitter is located on the side of the glass target away from the carrying plate; a bracket is provided on one side of the bracket, and the bracket is fixedly connected to the carrying plate, and the speed regulating motor is fixedly connected to the bracket.

[0018] A combined workstation of a wall-breaking device for breaking plant spores and cells based on laser wall breaking comprises a plurality of said wall-breaking devices, the number of said wall-breaking devices being set according to the number of wall shell layers and the wall shell material of the spores, the plurality of said wall-breaking devices being connected in series, two adjacent said wall-breaking devices being connected by a connecting pipe, the two ends of said connecting pipe being respectively connected to the input drainage belt and the output drainage belt of the two said wall-breaking devices.

[0019] As a preferred embodiment of the present invention, the material fluid flows through the energy conversion target of the first wall-breaking device of the combined workstation, and is laser scanned to break the wall to obtain a semi-finished material fluid. The semi-finished material fluid flows from the output drainage belt of the first wall-breaking device through the connecting pipe into the input drainage belt of the second wall-breaking device in series at a low flow rate, and is again wall-broken by the energy conversion target of the second wall-breaking device. And so on, the material fluid passes through all the wall-breaking devices of the combined workstation to obtain a finished material fluid.

[0020] As a preferred embodiment of the present invention, the input area of ​​the energy conversion target of the first wall-breaking device draws the input material from the pipeline through the workstation peristaltic pump, and the material fluid flowing inside the second and subsequent wall-breaking devices all depends on the output of the first wall-breaking device, and the flow rate of the material fluid in the multiple wall-breaking devices in the combined workstation is the same.

[0021] The beneficial effects of the present invention are:

[0022] 1) Due to the change in the working plane direction of the laser emission window, any possibility of the operator being directly exposed to the laser is completely eliminated. This helps the water curtain method of laser spore breaking to go global and overcome the strict labor protection laws of foreign countries.

[0023] 2) The workstation composed of N laser wall breaking devices connected in series is an independent processing unit in the water curtain laser wall breaking process production line, which fully realizes modularization, making the automatic control of the entire industrial system convenient and feasible.

[0024] 3) In the event of an unexpected failure of the energy conversion target of the laser wall breaking device in a workstation on the production line, including failure of the associated laser, the production line can simply withdraw the workstation from the production line without affecting the production of other workstations, thus ensuring the possibility of continuous production of the production line.

[0025] 4) Except for the glass target component of the energy conversion target, which is a consumable part and needs to be replaced after the laser focal length drifts and scratches the quartz glass panel, other components are selected as mature industrial products as much as possible. The components that need to be customized are relatively simple and have strong industrial applicability.

[0026] 5) Through various deformation designs of the energy conversion target, the user's requirements for the wall breaking technology of spores or cells of various sizes are met. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0028] FIG1 is a schematic structural diagram of a wall-breaking device according to the present invention;

[0029] FIG2 is a schematic diagram of the structure of the glass target portion of FIG1 of the present invention;

[0030] FIG3 is a schematic side view (partial perspective) of the structure of the input drainage belt of FIG2 of the present invention;

[0031] FIG4 is a schematic diagram of the structure of the input drainage belt of FIG2 in a top view (partial perspective view);

[0032] FIG5 is a schematic diagram of the position of the magnetic stirring bar in FIG3 of the present invention in the transition tank;

[0033] FIG6 is a schematic diagram of the internal flow channel of the input drainage belt of FIG5 of the present invention (top view of the transition groove);

[0034] FIG7 is a schematic diagram of the internal flow channel of the input drainage belt of FIG5 of the present invention (side view of the transition groove);

[0035] FIG8 is a schematic diagram of the structure of the glass target and the alloy frame of FIG1 of the present invention;

[0036] FIG9 is a front view schematic diagram of the structure of FIG8 of the present invention;

[0037] FIG10 is a schematic diagram of the installation of the rotating base of the zero-mass magnetic jet generator of FIG1 of the present invention;

[0038] FIG11 is a schematic top view of the rotating base of FIG10 of the present invention;

[0039] FIG12 is a schematic diagram of a combination of multiple wall-breaking device stations of FIG1 of the present invention;

[0040] FIG13 is a schematic structural diagram of a vertical energy conversion target for passively controlling turbulence according to the present invention;

[0041] FIG14 is a schematic structural diagram of a vertical energy conversion target for actively controlling turbulence according to the present invention. DETAILED DESCRIPTION

[0042] The following describes a specific embodiment of the present invention with reference to Figures 1-14. The XYZ coordinate system described below is a right-handed XYZ three-axis coordinate system, where the X-axis and Y-axis form a horizontal plane, and the Z-axis is perpendicular to the horizontal plane. The material fluid referred to below specifically refers to a suspension fluid composed of spores, cells, and pure water that conforms to a Newtonian fluid.

[0043] Based on the structure of the input drainage belt 11 in a horizontal energy conversion target and utilizing the principle of magnetic zero-mass jets, the present invention provides a device capable of generating a controllable turbulent flow field within the input drainage belt 11 of the energy conversion target, thereby achieving a turbulent flow state for the material fluid entering the glass target 13. According to Coulomb's law, a continuously distributed magnetic field within a certain spatial region is a zero-mass vector field. The strength of the magnetic field is related to the magnetic induction intensity B of the permanent magnet itself and the distance L between the two permanent magnets. Due to the magnetic field induction effect, two permanent magnets separated by a certain distance can transfer power from one permanent magnet to the other through the coupling force of the two permanent magnets without any traditional mechanical components, forming a zero-mass contactless transfer jet mechanism.

[0044] To achieve the above objectives, the present invention provides the following preferred technical solutions for a controllable fluid transition horizontal energy conversion target:

[0045] The energy conversion target based on laser-broken spores includes a glass target 13, and an input drainage belt 11 and an output drainage belt 16 are respectively provided on both sides of the glass target 13; an interface area 26, a climbing area 27 and a buffer storage area 31 are formed inside the input drainage belt 11, the interface area 26 is connected to the glass target 13, the buffer storage area 31 is far away from the interface area 26, the climbing area 27 is located between the interface area 26 and the buffer storage area 31, a transition groove 30 is fixed on the inner wall of the input drainage belt 11, and the transition A tank 30 is located within the buffer storage area 31. A magnetic stirrer 28 is rotatably mounted within the transition tank 30. A massless magnetic jet generator 54 is mounted on one side of the input drainage belt 11. The massless magnetic jet generator 54 includes a speed-regulating motor 37. A rotating base 36 is fixed to the output shaft of the speed-regulating motor 37. The rotating base 36 is located on the side of the input drainage belt 11 where the magnetic stirrer 28 is located. An S-pole magnetic disk 40 and an N-pole magnetic disk 41 are fixed to the rotating base 36 via a first fastening screw 39. Referring to FIG. 11 , the massless magnetic jet generator 54 comprises a PLC speed regulator; a low-voltage DC micro-reduction motor, i.e., the speed-regulating motor 37; a rotating base 36; a coupling; and a shock-absorbing mechanism. The rotating base 36 is mounted with two appropriately sized NdFeB magnetic disks. After the jet generator is started, the magnetic poles at both ends of the rotating base 36, the S-pole magnetic disk 40 and the N-pole magnetic disk 41 rotate and drive the magnetic stirring bar 27 in the transition tank 30 to rotate.

[0046] Advantageously, the glass target 13 comprises a UV / EUV optical quartz glass panel, a high-transmittance ordinary pure glass backplane, and glass longitudinal ribs. A thin, flat fluid channel with hollow spaces is formed between the panel, backplane, and longitudinal ribs. The longitudinal ribs are bonded to the panel and backplane using non-toxic glue. The glass target 13 is formed by combining the UV / EUV optical quartz glass panel, the high-transmittance ordinary pure glass backplane, and the glass longitudinal ribs to form a thin, flat fluid channel with hollow spaces. The width of the longitudinal ribs is determined by the required strength of the glass target, while the height of the longitudinal ribs determines the distance between the hollow spaces in the glass target 13. The longitudinal ribs are bonded to the panel and backplane using non-toxic glue.

[0047] Advantageously, an alloy frame 14 is further included, wherein the glass target 13 is disposed within the alloy frame 14. The alloy frame 14 is a blackened alloy frame. The glass target 13 and the alloy frame 14 are fixed by a second fastening screw 35. The glass target 13 is respectively connected to the sides of the input drainage belt 11 and the output drainage belt 16 that are close to each other. A pagoda joint 25 is fixed to each end of the input drainage belt 11 and the output drainage belt 16 that are away from each other. A defoaming tube 15 is fixed to one side of the output drainage belt 16. Referring to Figures 8-9, after the energy conversion target is assembled, the glass target 13 is tightly surrounded by the blackened alloy frame 14. To prevent the glass target 13 from being squeezed and damaged, an elastic silicone sheet can be padded around the alloy frame 14. The functions of the alloy frame 14 are, firstly, to form the energy conversion target formed by the combination of the input drainage belt 11, the output drainage belt 16, and the glass target 13 into a single component. Secondly, the energy conversion target is fixed to the laser wall-breaking device 44 as a whole by the second fastening screw 35. Since the glass target 13 of the energy conversion target is a consumable item, the energy conversion target can be easily disassembled by fixing it with screws.

[0048] Advantageously, it further includes a base 21, a connecting plate 22 being slidably provided on one side of the base 21, a first motor 17 being fixedly provided at one end of the base 21, a first screw rod 24 being fixedly provided on the output shaft of the first motor 17, a first threaded block 23 being provided on the first threaded block 23, the first threaded block 23 being threadedly engaged with the first threaded rod 24, the first threaded block 23 being fixedly connected to the connecting plate 22, a mounting plate 18 being slidably provided on one side of the connecting plate 22, a second motor 12 being fixedly provided at one end of the connecting plate 22, a second screw rod 19 being fixedly provided on the output shaft of the second motor 12, a second threaded block 20 being provided on the second threaded block 20, the second threaded block 20 being threadedly engaged with the second screw rod 19, the second threaded block 20 being fixedly connected to the mounting plate 18, and the alloy frame 14 being mounted on the mounting plate 18 by a second fastening screw 35.

[0049] Advantageously, the input drainage belt 11 has a Z-shaped frontal projection, the ramp 27 forms an angle with the horizontal plane, and the transition trough 30 has a circular top-down projection. The input drainage belt 11 forms a defoaming space 55 above the transition trough 30. Referring to Figures 3-4 , the fluid transition input drainage belt has a Z-shaped, thin strip-like appearance when viewed from the side, divided into four functional zones. The fluid input zone is connected to the external material delivery pipeline connector, i.e., the pagoda connector 25. The input zone is connected to the external material delivery pipeline via the circular pagoda connector 25 and the external pipeline connector. The input zone is connected to the special-shaped buffer storage zone 31, which houses the fluid transition trough 30. The buffer storage zone 31 is connected to the ramp 27, the other end of which is connected to the glass target interface zone 26. The other end of the interface zone 26 is a port for inserting the glass target 13, the outer diameter of which is identical in shape and size to the inner diameter of the port.

[0050] Advantageously, the zero-mass magnetic jet generator 54 corresponds to the liquid storage buffer 31 of the input drainage belt 11 and is located below the transition trough 30. The installation spacing between the zero-mass magnetic jet generator 54 and the transition trough 30 is adjustable. Referring to Figure 1, except for the low-voltage DC micro-reduction motor and rotating base 36, which need to be installed 30 meters below the transition trough, the remaining jet generator components should be installed as far away from the laser wall-breaking device 44 as possible.

[0051] A device for breaking plant spores and cells based on laser wall breaking includes the energy conversion target and a carrying plate 43. A support 29 is fixedly provided on the carrying plate 43. The end of the support 29 away from the carrying plate 43 is fixedly connected to the base 21. A mounting frame 56 is provided on one side of the support 29. The mounting frame 56 is fixedly connected to the carrying plate 43. A laser emitter 42 is fixed on the mounting frame 56. The laser emitter 42 is located on the side of the glass target 13 away from the carrying plate 43; a bracket 38 is provided on one side of the bracket 29. The bracket 38 is fixedly connected to the carrying plate 43, and the speed regulating motor 37 is fixedly connected to the bracket 38. Referring to FIG10 , the massless magnetic jet generator 54 provides a clockwise rotational mechanism for the magnetic stirrer 28 within the transition tank 30. The rotating base of the device is positioned directly below the transition tank 30, with the inlet and outlet 11 and the buffer reservoir 31. The installation distance from the transition tank 30 is no more than 1 cm, and the spacing is adjustable. The laser wall-breaking device 44 is a wall-breaking device equipped with a laser emitter 42.

[0052] A combined workstation based on a laser-based wall-breaking device for breaking plant spores and cells includes multiple wall-breaking devices, the number of which is determined based on the number of spore wall layers and the wall shell material. Multiple wall-breaking devices are connected in series, with two adjacent wall-breaking devices connected by a connecting pipe 45. The ends of the connecting pipe 45 are respectively connected to the input drainage belt 11 and the output drainage belt 16 of the two wall-breaking devices. Referring to FIG12 , because the laser wall-breaking device 44 is only a component of one workstation in a production line, a production line, based on the designed production capacity, consists of M workstations connected in parallel on the production line's closed-loop material conveying piping system. Depending on the number of spore wall layers and the wall shell material, a single workstation can be connected in series with multiple laser wall-breaking devices 44 via an internal flexible conduit, namely the connecting pipe 45. After the material fluid flows through the energy conversion target of the first laser wall-breaking device 44 in the workstation and is broken by laser scanning, it may only burn and break the spore shell. The semi-finished material fluid flows from the output drainage belt of the first laser wall-breaking device 44 through a soft pipe at a low flow rate into the input drainage belt of the second laser wall-breaking device 44 in series, and is broken again by the energy conversion target of the second laser wall-breaking device 44, and so on to the Nth laser wall-breaking device until the ideal wall-breaking effect is achieved.

[0053] Beneficially, the material fluid flows through the energy conversion target of the first wall-breaking device of the combined workstation, and is laser-scanned to become a semi-finished material fluid after the wall is broken. The semi-finished material fluid enters the input drainage belt 11 of the second wall-breaking device in series through the connecting pipe 45 from the output drainage belt 16 of the first wall-breaking device at a low flow rate, and is wall-broken again by the energy conversion target of the second wall-breaking device. And so on, the material fluid passes through all the wall-breaking devices of the combined workstation to obtain the finished material fluid.

[0054] Advantageously, the input area of ​​the energy conversion target of the first wall-breaking device draws the input material from the pipeline through the workstation peristaltic pump, and the material fluid flowing inside the second and subsequent wall-breaking devices all depends on the output of the first wall-breaking device, and the flow rate of the material fluid in the multiple wall-breaking devices in the combined workstation is the same.

[0055] Because the material flow rate within the flexible pipes of each laser wall-breaking device 44 connected in series within a station must be consistent, the material input from the input area of ​​the energy conversion target of the first laser wall-breaking device 44 is extracted from the pipe by the station peristaltic pump. The material flow within the second and subsequent laser wall-breaking devices 44 all depends on the output of the first laser wall-breaking device 44, ensuring that the material flow rate of each laser wall-breaking device 44 within the station is completely consistent.

[0056] A vertical energy conversion target for laser-mediated plant spore and cell disruption includes a passive turbulence-controlled vertical energy conversion target and an active turbulence-controlled vertical energy conversion target. The passive turbulence-controlled vertical energy conversion target comprises a fixedly connected first frame 46 and a second frame 48, with a passive target area 47 disposed between them. The active turbulence-controlled vertical energy conversion target comprises a fixedly connected third frame 49 and a fourth frame 51, with an active target area 50 disposed between them. A drive device 52 is mounted on the side of the fourth frame 51 facing away from the third frame 49. As a core component of a water curtain production line, the energy conversion target requires selecting the most suitable energy conversion target for spore and cell disruption, based on the type, particle size, number of shell layers, shell material, and shell color of the spores and cells to be disrupted. This means that various variations of the energy conversion target exist.

[0057] Working principle of the present invention:

[0058] Referring to Figure 1, the peristaltic pump installed at the laser wall breaking device 44 station continuously extracts material fluid from the closed-loop material conveying pipeline of the production line and conveys it through a soft pipe to the pagoda joint 25 in the input area of ​​the input drainage belt 11 to enter the buffer liquid storage area 31. The flow channel width and volume of the buffer liquid storage area 31 are dozens of times larger than the diameter of the circular material fluid conveyed into it. After the material fluid enters the buffer liquid storage area 31, its flow rate will drop sharply. If the spores or cells are ultrafine powders of several microns, they will definitely settle in the buffer liquid storage area 31. The boundary of the buffer liquid storage area 31 connected to the input area is designed to be an arc-shaped boundary, which ensures that the material fluid will not have a first-order discontinuity, that is, it ensures that spores or cells will not accumulate and block the input area to cause a flow dead zone.

[0059] The top of the fluid transition trough 30, which is located in the buffer storage area 31, is a circular trough. The fluid transition trough 30 is a place where the magnetic stirrer 28 rotates in a circular motion to induce fluid transition. The transition trough 30 protrudes below the buffer storage area 31 of the input drainage belt 11. A protruding defoaming space 55 is provided above the buffer storage area 31, corresponding to the transition trough 30. The space has the same shape as the transition trough 30 and provides a natural defoaming area for bubbles released by dissolved gases that may appear during fluid transition. During the flow of the material fluid in the buffer storage area 31 through the climbing area 27 and the interface area 26 into the glass target 13, the strong interference in the transition trough 30 will inevitably cause the material fluid to experience severe turbulence, causing the material fluid to transition to turbulent flow.

[0060] The climbing area 27, which is at an angle to the Z-axis coordinate, is used to guide the fluid after transition to climb up and then enter the glass target 13 of the energy conversion target through the interface area. The design of the angle depends on the particle size of the spores or cells. For example, the angle of the climbing area of ​​rapeseed pollen spores with a broken particle size of about 25 μm can be smaller than the angle of the climbing area of ​​Ganoderma lucidum spores with a broken particle size of about 7 μm. The principle of designing the angle of the climbing area is that there should be no dead zone of material fluid flow when the fluid climbs up, so as to prevent spores or cells from silting and clogging in the climbing area.

[0061] The interface area 26 connected to the glass target 13 only serves to connect the glass target 13 of the energy conversion target and the climbing area 27 of the input drainage belt 11. The appearance size of the interface area 26 must ensure that the inner diameter of the interface area 26 is completely consistent with the inner diameter of the glass target 13 to ensure the bonding strength. When bonding, an anti-leakage rubber ring or non-toxic glue can be used to prevent leakage and seepage.

[0062] The inside of the input drainage belt 11 is actually a special-shaped channel for the flow of material fluid. After the circular material fluid input from the pagoda joint 25 of the input area enters the buffer liquid storage area 31, the rapid change of the flow field causes the flow state of the material fluid to change rapidly, and the fluid is deformed from a cylindrical shape to a flat plate shape.

[0063] The transition trough 30 is a circular trough, and the circular bottom needs to be bonded with an extremely thin pad of high-hardness and high-strength non-toxic circular glass. The area size of the circular glass is the same as the area size of the transition trough bottom. This is because when the magnetic stirring rod 28 is coupled with the magnetic zero-mass jet to perform high-speed circular rotation in the trough, the trough bottom made of ordinary non-toxic plastic material is difficult to withstand wear. The size of the transition trough 30 depends on the size of the input drainage belt.

[0064] Referring to Figure 5 , the diameter of the magnetic stirrer 28 must be at least 1.2 times the inner diameter of the input window 34 in the ramp section 27 to prevent the magnetic stirrer 28 from getting stuck in the input window 34 in the ramp section 28. The length of the magnetic stirrer 28 is approximately 1 / 3 to 1 / 2 the diameter of the transition tank 30 and is coated with polytetrafluoroethylene.

[0065] Referring to Figures 6-7, there is centrifugal force in the material fluid that is driven by the magnetic stirrer 28 to perform clockwise high-speed circular motion in the transition groove 30. The flow state of the material thrown from the transition groove 30 into the input window 34 of the rectangular climbing area 27 is along the circumferential tangential motion. The design of the input window 34 of the climbing area 27 needs to consider that when the circumferential tangential motion direction of the material fluid is basically equal to the input window, the head position of the material fluid needs to be pressed back to the transition groove 30, that is, to ensure that the flow state of the material fluid entering the climbing area 27 is kept as a single-phase downstream flow state as possible; the tangential and output window 34 are at the same position 32 in the figure, and the tangential flow state 33.

[0066] Since the input window 34 of the ramp 27 is designed for the clockwise rotation of the magnetic stirrer 28, the rotation direction of the zero-mass magnetic jet generator 54 must be controlled to maintain this operating condition. The rotation speed of the rotating base 36 can be adjusted based on the type of spores in the fluid. Generally, smaller spores or cells can rotate faster.

[0067] When custom-making the non-toxic plastic input drainage belt 11, it is divided into two workpieces for processing. The precision of the mold is 0.2. It is necessary to conventionally arrange the guide pillars of the two workpiece joint surfaces; concave and convex grooves; positioning pins; anti-leakage rubber rings and other combining means to prevent leakage and seepage.

[0068] Besides directing flow, the output drainage belt 16 primarily functions by cooperating with the input drainage belt 11 to create an elevation difference within the glass target 13, a component of the energy conversion target. This, combined with the buffering and liquid storage function of the input drainage belt 11, ensures that the glass target 13 is always fully filled with material. Other functions include: first, securing the forcibly inserted discharge end of the glass target 13 to prevent leakage; second, providing an outlet for foam debris, namely the defoaming pipe 15, which utilizes a food-grade plastic through-plate pagoda-shaped hose connector for siphoning out; and third, pushing out thin, flat material fluids to the circular conveying pipe.

[0069] The requirements for custom processing of the output drainage belt 16 are the same as those for the input drainage belt 11.

[0070] The PLC speed regulator is equipped with an RS232 or RS485 communication interface. The speed can be programmed and controlled on the speed regulator itself. Alternatively, the communication interface of the speed regulator can be connected to the communication interface of an industrial computer. The industrial computer can then implement remote real-time control and the operating system of the industrial computer can be used for system expansion, thus achieving flexible starting and controllable operation of the motor.

[0071] Referring to Figures 13-14, for example, Ganoderma lucidum spores with a broken wall size of approximately 7 μm should be targeted with an actively controlled turbulent energy conversion target. However, for rapeseed pollen spores with a broken wall size of approximately 25 μm, since the spores are slightly larger and their kinetic energy is retained for a relatively long time, depending on available funds, an actively controlled turbulent energy conversion target or a relatively inexpensive passively controlled turbulent energy conversion target can be selected. If a passively controlled turbulent energy conversion target is chosen, an inexpensive turbulent generator must be added in series with the material input of each laser wall-breaking device in the workstation to maintain a turbulent, pulsating flow field within the glass target of each laser wall-breaking device.

[0072] If a dedicated optical isolation wall is built in the laser wall-breaking workshop, and the laser is used to break spores or cells with relatively large particle sizes, a vertical energy conversion target can be selected because the kinetic energy of these large-sized spores or cells is also relatively large after being subjected to force. For example, a vertical energy conversion target can be used to break pine pollen spores with a particle size of approximately 60un. The vertical energy conversion target makes the structure of the laser wall-breaking device very simple. The input flow channel of the laser wall-breaking device and the glass target of the energy conversion target are in the same vertical plane. Laser wall-breaking devices using vertically mounted energy conversion targets also have two types: passive control type and active control type.

[0073] The above content is merely an example and explanation of the structure of the present invention. Those skilled in the art may make various modifications or additions to the described specific embodiments or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the scope of protection of the present invention.

Claims

1. Energy conversion target based on laser spore breaking, characterized by: The invention comprises a glass target, wherein an input drainage belt and an output drainage belt are respectively arranged on both sides of the glass target; an interface area, a climbing area and a buffer liquid storage area are formed inside the input drainage belt, wherein the interface area is connected to the glass target, the buffer liquid storage area is far away from the interface area, and the climbing area is located between the interface area and the buffer liquid storage area; a transition groove is fixedly arranged on the inner wall of the input drainage belt, the transition groove is located in the buffer liquid storage area, and a magnetic stirring bar is rotatably arranged in the transition groove; a zero-mass magnetic jet generator is arranged on one side of the input drainage belt, and the zero-mass magnetic jet generator comprises a speed regulating motor, a rotating base is fixedly arranged on the output shaft of the speed regulating motor, the rotating base is located on one side of the input drainage belt with the magnetic stirring bar, and an S-pole magnetic disk and an N-pole magnetic disk are arranged on the rotating base.

2. The energy conversion target based on laser-broken spores according to claim 1, characterized in that: The glass target includes an ultraviolet and extreme ultraviolet optical quartz glass panel, a high-transmittance ordinary pure glass back panel and glass longitudinal ribs. A thin flat fluid channel with a hollow interval is formed between the panel, the back panel and the longitudinal ribs. The longitudinal ribs are bonded and fixed to the panel and the back panel by non-toxic glue.

3. The energy conversion target based on laser-broken spores according to claim 1, characterized in that: It also includes an alloy frame, the glass target is arranged in the alloy frame, the glass target and the alloy frame are fixedly connected, and the glass target is respectively connected with the sides of the input drainage belt and the output drainage belt that are close to each other; a pagoda joint is fixedly provided at one end of the input drainage belt and the output drainage belt that are far away from each other, and a defoaming tube is fixedly provided on one side of the output drainage belt.

4. The energy conversion target based on laser-broken spores according to claim 3, characterized in that: It also includes a base, a connecting plate is slidably provided on one side of the base, a first motor is fixedly provided at one end of the base, a first screw rod is fixedly provided on the output shaft of the first motor, a first threaded block is provided on the first screw rod, the first threaded block is threadedly matched with the first screw rod, the first threaded block is fixedly connected to the connecting plate, a mounting plate is slidably provided on one side of the connecting plate, a second motor is fixedly provided at one end of the connecting plate, a second screw rod is fixedly provided on the output shaft of the second motor, a second threaded block is provided on the second screw rod, the second threaded block is threadedly matched with the second screw rod, the second threaded block is fixedly connected to the mounting plate, and the alloy frame is mounted on the mounting plate by a second fastening screw.

5. The energy conversion target based on laser-broken spores according to claim 4, characterized in that: The front projection of the input drainage belt is Z-shaped, the climbing area has an angle with the horizontal plane, the top projection of the transition trough is circular, and the input drainage belt forms a defoaming space on the upper side of the transition trough.

6. The energy conversion target based on laser-broken spores according to claim 2, characterized in that: The massless magnetic jet generator corresponds to the liquid storage buffer zone of the input drainage belt, the massless magnetic jet generator is located below the transition groove, and the installation distance between the massless magnetic jet generator and the transition groove is adjustable.

7. A device for breaking plant spores and cells based on laser, comprising an energy conversion target based on laser spore breaking according to any one of claims 1 to 6, characterized in that: It also includes a carrying plate, on which a support is fixedly provided, and one end of the support away from the carrying plate is fixedly connected to the base, a mounting frame is provided on one side of the support, and the mounting frame is fixedly connected to the carrying plate, and a laser emitter is fixedly provided on the mounting frame, and the laser emitter is located on a side of the glass target away from the carrying plate; a bracket is provided on one side of the support, and the bracket is fixedly connected to the carrying plate, and the speed regulating motor is fixedly connected to the bracket.

8. A combined station of a device for breaking plant spores and cells based on laser, comprising a plurality of devices for breaking plant spores and cells based on laser as claimed in claim 7, characterized in that: The number of the wall-breaking devices is set according to the number of wall shell layers and the wall shell material of the spores. Multiple wall-breaking devices are connected in series, and two adjacent wall-breaking devices are connected by a connecting pipe. The two ends of the connecting pipe are respectively connected to the input drainage belt and the output drainage belt of the two wall-breaking devices.

9. The combined station of the laser-based plant spore and cell breaking device according to claim 8, characterized in that: The material fluid flows through the energy conversion target of the first wall-breaking device in the combined workstation, and is wall-broken by laser scanning to obtain a semi-finished material fluid. The semi-finished material fluid enters the input drainage belt of the second wall-breaking device in series through the connecting pipe from the output drainage belt of the first wall-breaking device at a low flow rate, and is wall-broken again by the energy conversion target of the second wall-breaking device, and so on, so that the material fluid passes through all the wall-breaking devices in the combined workstation to obtain a finished material fluid.

10. A combined station of a laser-based plant spore and cell breaking device according to claim 9, characterized in that: The input area of ​​the energy conversion target of the first wall breaking device draws input material from the pipeline through the workstation peristaltic pump, and the material fluid flowing inside the second and subsequent wall breaking devices all depends on the output of the first wall breaking device, and the flow rate of the material fluid in multiple wall breaking devices in the combined workstation is the same.

Citation Information

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