An ultra-high pressure processing system and method of use thereof

Abstract

The application relates to an ultrahigh-pressure treatment system and a use method thereof, which comprises feeding conveying belts, high-pressure cabin assemblies and discharging conveying belts arranged in sequence from front to back, the high-pressure cabin assemblies comprise two high-pressure cabins arranged left and right, further comprise straight linear guides extending from front to back and hanging trolleys walking on the straight linear guides, the hanging trolleys are provided with grabbing and lifting mechanisms, the grabbing and lifting mechanisms are used for grabbing material racks and lifting the material racks, further comprise a transverse moving frame sliding transversely above the high-pressure cabin assemblies, the transverse moving frame is provided with a cabin cover, a cabin cover oil cylinder driving the cabin cover to lift and transverse moving rails fixed to the transverse moving frame and located on both sides of the cabin cover, the application realizes ultrahigh-pressure treatment through two high-pressure cabins alternately, when one high-pressure cabin performs ultrahigh-pressure treatment, the other high-pressure cabin performs material taking and placing operations, so that the two high-pressure cabins can realize seamless connection, the efficiency of ultrahigh-pressure treatment is improved, and the whole process is automatically completed, and the automation degree is high.

Description

Technical Field

[0001] This invention relates to the field of ultra-high voltage technology, specifically to an ultra-high voltage processing system and its usage method. Background Technology

[0002] High Pressure Processing (HPP) is a sterilization technology that involves sealing packaged food in a high-pressure container (using water as a medium) and maintaining it under static pressure (100MPa-600MPa) and appropriate temperature for several seconds to several minutes. This kills microorganisms in the food, achieving the goals of preservation, sterilization, and storage. It offers the following advantages: 1. Minimal impact on flavor compounds and nutrients; 2. Maximum preservation of the original color and freshness of the ingredients; 3. Adjustment of food structure and texture; 4. Energy saving and reduced pollution from cold sterilization.

[0003] According to the requirements of "NY / T4337-2023 Technical Specification for Ultra-High Pressure Processing of Fruit and Vegetable Juices (Pulps) and Their Beverages", the products to be processed should be compactly stacked in the high-pressure chamber of the ultra-high pressure equipment. The temperature of the pressure-transmitting medium water before entering the high-pressure chamber should not be higher than 10°C. The pressurization and depressurization processes should be completed in the shortest possible time. The pressurization time should be less than 4 minutes, and the processing cycle time should not be greater than 8 minutes.

[0004] Therefore, the pressurization, pressure holding, and pressure reduction operations need to be completed within 8 minutes. In addition, the processed product needs to be taken out of the high-pressure chamber and the product to be processed needs to be put into the high-pressure chamber. As a result, the efficiency of the whole process is low. Summary of the Invention

[0005] This invention addresses the shortcomings of existing technologies by providing an ultra-high pressure processing system and its usage method.

[0006] The present invention is achieved through the following technical solution, providing an ultra-high pressure processing system, including a feeding conveyor belt, a high pressure chamber assembly and a discharging conveyor belt arranged in sequence from front to back. The high pressure chamber assembly includes two high pressure chambers arranged from left to right, as well as linear guide rails extending from front to back and a hanging trolley traveling on the linear guide rails. The hanging trolley is equipped with a gripping and lifting mechanism, which is used to grip the material storage rack and drive the material storage rack to rise and fall. It also includes a transverse sliding frame that slides laterally above the high-pressure chamber assembly, the transverse sliding frame being equipped with a hatch cover and a hatch cover cylinder for driving the hatch cover to rise and fall, the hatch cover being equipped with a fixing mechanism for pressing the hatch cover against the upper opening of the high-pressure chamber; The transverse frame is fixed with transverse guide rails that are symmetrically arranged on both sides of the hatch cover. The linear guide rails have notches, and the transverse guide rails are horizontal curved rails. When the transverse frame moves laterally so that the hatch cover is above one high-pressure chamber, the transverse guide rail on the side of the hatch cover closer to the other high-pressure chamber is above the other high-pressure chamber and is connected to the linear guide rail in the notch.

[0007] As an optimization, the fixing mechanism includes multiple sliding blocks arranged circumferentially along the hatch cover. The sliding blocks slide radially along the hatch cover, and the sliding surface is inclined upward towards the center of the hatch cover. A hook is hinged to the upper end of the sliding block. A protruding edge adapted to the hook is fixed to the side of the high-pressure chamber. The fixing mechanism also includes a central turntable axially connected to the center of the hatch cover and a rotary drive mechanism for driving the central turntable to rotate. The hook is connected to the central turntable through a connecting rod.

[0008] As an optimization, one end of the connecting rod is connected to the hook ball joint, and the other end is connected to the center turntable ball joint.

[0009] As an optimization, the fixing mechanism also includes a spring, one end of which is fixedly connected to the sliding block, and the other end of which is fixedly connected to a spring mounting plate fixedly connected to the hatch cover. The extension direction of the spring is parallel to the sliding direction of the sliding block.

[0010] As an optimization, the central turntable is a gear, and the rotary drive mechanism includes a drive gear meshing with the central turntable and a turntable motor that drives the drive gear to rotate.

[0011] As an optimization, the gripping and lifting mechanism includes two lifting cylinders arranged left and right, which are vertically fixed to the lower end of the trolley. Multiple telescopic electromagnets are fixed to the telescopic shaft of the lifting cylinders, and the side of the material storage rack has a socket adapted to the telescopic shaft of the telescopic electromagnet.

[0012] As an optimization, a connecting rod is fixed between the two lifting cylinders.

[0013] As an optimization, both the linear guide rail and the transverse guide rail are H-beams. The trolley includes a trolley frame and two wheel seat plates fixed to the upper end of the trolley frame. The wheel seat plates are axled with a traveling wheel supported on the lower flange of the H-beam and a guide wheel attached to the web of the H-beam. At least one wheel seat plate is equipped with a traveling motor that drives the traveling wheel to rotate.

[0014] As an optimization, the transverse guide rail is a horizontal arch, and when the middle of the transverse guide rail is above the high-pressure chamber, both ends are connected to the linear guide rail.

[0015] A method for using an ultra-high pressure processing system includes the following steps: a. Materials are placed on the material storage rack. One of the high-pressure chambers contains a material storage rack that has not yet undergone ultra-high pressure treatment. The transverse frame moves so that the cover is above the high-pressure chamber. The cover is then placed on the upper opening of the high-pressure chamber by the cover cylinder. The cover is pressed by the fixing mechanism. The high-pressure chamber is then subjected to ultra-high pressure treatment. At this time, the other high-pressure chamber has completed ultra-high pressure treatment and is set open. The transverse guide rail above the open high-pressure chamber is connected to the linear guide rail. b. The trolley drives the grabbing and lifting mechanism to move along the transverse guide rail to the top of the open high-pressure chamber and lifts out the internal material rack. Then it moves along the linear guide rail to the top of the discharge conveyor belt and places the material after high-pressure treatment onto the discharge conveyor belt. c. The trolley drives the grabbing and lifting mechanism to move along the transverse guide rail and the linear guide rail to the top of the feeding conveyor belt, grabs the material rack on the feeding conveyor belt and lifts it, moves along the transverse guide rail to the top of the empty high pressure chamber and places the material rack in it, and then the trolley moves to the linear guide rail. d. Repeat step ac to allow the two high-pressure chambers to alternately undergo ultra-high-pressure treatment.

[0016] The beneficial effects of the present invention are as follows: The ultra-high pressure processing system and its method of use of the present invention use two high-pressure chambers to perform ultra-high pressure processing alternately. While one high-pressure chamber is performing ultra-high pressure processing, the other high-pressure chamber is performing material loading and unloading operations, so that the two high-pressure chambers can be seamlessly connected, improving the efficiency of ultra-high pressure processing. Moreover, the whole process is completed automatically, with a high degree of automation. Attached Figure Description

[0017] Figure 1 This is a front view of the present invention; Figure 2 This is a top view of the linear guide and transverse guide of the present invention; Figure 3 The hatch cover of this invention is placed on a high-pressure chamber. Figure 1 Sectional view of plane AA; Figure 4 The hatch cover of this invention is placed on another high-pressure chamber. Figure 1 Sectional view of plane AA; Figure 5 For the present invention Figure 3 Enlarged view of the centrally mounted trolley; Figure 6 For the present invention Figure 3 Enlarged view of the lifting mechanism in the middle; Figure 7 For the present invention Figure 3 Enlarged view of the fixed mechanism; Figure 8 For the present invention Figure 7 Top view of the fixed mechanism; Figure 9 For the present invention Figure 7 Enlarged view of section B in the middle; As shown in the figure: 1. Feeding conveyor belt; 2. High-pressure chamber; 3. Discharge conveyor belt; 4. Fixing mechanism; 41. Central turntable; 42. Hook; 43. Protruding edge; 44. Connecting rod; 45. Sliding block; 46. Drive gear; 47. Inclined guide rail; 48. Spring; 5. Suspended trolley; 51. Wheel seat plate; 52. Traveling wheel; 53. Traveling motor; 54. Guide wheel; 55. Trolley frame; 6. Grabbing and lifting mechanism; 61. Lifting cylinder; 62. Connecting rod; 63. Telescopic electromagnet; 7. Linear guide rail; 8. Material storage rack; 9. Chamber cover; 10. Chamber cover cylinder; 11. Top fixing frame; 12. Horizontal movement frame; 13. Horizontal movement guide rail; 14. Horizontal movement cylinder. Detailed Implementation

[0018] To clearly illustrate the technical features of this solution, the following detailed implementation method will be used to explain the solution.

[0019] like Figures 1-9 As shown, an ultra-high pressure processing system of the present invention includes a feeding conveyor belt 1, a high-pressure chamber assembly, and a discharging conveyor belt 3 arranged in sequence. The feeding conveyor belt 1 is used to transport the material storage rack 8 forward to the front of the high-pressure chamber assembly. The material storage rack 8 is filled with material, which facilitates the handling and movement of the stacked material. The material is transported by conveying the material storage rack 8. At the same time, the material storage rack 8 is also transported along with the material during ultra-high pressure processing.

[0020] The high-pressure chamber assembly includes two high-pressure chambers 2 arranged side by side. The center lines of the two high-pressure chambers 2 coincide with the center lines of the feed conveyor belt 1 and the discharge conveyor belt 3 in the width direction. Therefore, as Figure 2 As shown, the material racks on the feeding conveyor belt 1 move the same distance to either the left or right high-pressure chamber 2, and the material racks on either the high-pressure chamber 2 move the same distance to the discharging conveyor belt 3.

[0021] It also includes linear guide rails 7 extending forward and backward, and a trolley 5 that travels on the linear guide rails 7. One end of the linear guide rails 7 is located above the feeding conveyor belt 1, and the other end is located above the discharging conveyor belt 3. The linear guide rails 7 are H-beams with vertically arranged webs, and the upper end is fixed to the top of the building by a bracket.

[0022] like Figure 5As shown, the trolley 5 includes a trolley frame 55 and two wheel base plates 51 fixed to the upper end of the trolley frame 55. The trolley frame 55 is located below the H-beam. The two wheel base plates 51 are vertically arranged and located on both sides of the H-beam. Each wheel base plate 51 has a traveling wheel 52 supported on the lower flange of the H-beam and a guide wheel 54 attached to the web of the H-beam. At least one wheel base plate 51 is equipped with a traveling motor 53 that drives the traveling wheel 52 to rotate. In this embodiment, one wheel base plate 51 is equipped with a traveling motor 53, and the shaft of the traveling motor 53 is connected to the traveling wheel 52 on that wheel base plate 51. This enables the trolley 5 to move on the H-beam.

[0023] The trolley 5 is equipped with a gripping and lifting mechanism 6, which is used to grip the material rack 8 and drive the material rack 8 to rise and fall.

[0024] like Figure 6 As shown, the grabbing and lifting mechanism 6 includes two lifting cylinders 61 arranged left and right and fixedly connected to the lower end of the trolley 5. In order to prevent the lifting cylinders 61 from shaking, a connecting rod 62 is fixedly connected between the two lifting cylinders 61.

[0025] Multiple telescopic electromagnets 63 are fixedly connected to the telescopic shaft of the lifting cylinder 61. Multiple telescopic motors 63 are fixed on the front and rear extending angle steel and arranged in front and rear. The angle steel is welded to the lower end face of the telescopic shaft of the lifting cylinder 61.

[0026] The side of the material storage rack 8 has an insertion hole adapted to the telescopic shaft of the telescopic electromagnet 63. When the material storage rack 8 is gripped, the lifting cylinder 61 extends, causing the telescopic electromagnet 63 to move down to the side of the material storage rack 8. The telescopic electromagnet 63 extends and inserts into the insertion hole on the side of the material storage rack 8, and the lifting cylinder 61 retracts to lift the material storage rack 8.

[0027] It also includes a transverse sliding frame 12 that slides laterally above the high-pressure chamber assembly, such as Figure 3 , 4 As shown, the transverse frame 12 is a horizontal rectangular frame that is slidably connected to the bottom of the top fixed frame. Specifically, multiple circular guide rails extending to the left and right are fixedly connected to the bottom of the top fixed frame 11. Guide blocks that are slidably connected to the circular guide rails are welded onto the transverse frame 12, thereby realizing the guidance of the transverse frame 12. The transverse frame 12 is driven to move laterally by a transverse hydraulic cylinder.

[0028] The transverse frame 12 is equipped with a hatch cover 9 and a hatch cover cylinder 10 for driving the hatch cover 9 to rise and fall. In this application, the two high-pressure chambers 2 share a hatch cover 9. Therefore, the high-pressure chamber 2 with the hatch cover 9 is used for ultra-high pressure treatment, while the other open high-pressure chamber 2 is used for material removal and placement. This allows the two high-pressure chambers 2 to work alternately.

[0029] The hatch cover cylinder 10 is vertically positioned and fixed in the middle of the horizontal moving frame 12. The telescopic shaft of the hatch cover cylinder 10 faces downward and is connected to the hatch cover 9, thereby realizing the lifting and lowering of the hatch cover 9, that is, the opening and closing operation.

[0030] The transverse frame 12 is fixedly connected to transverse guide rails 13 symmetrically arranged on both sides of the hatch 9. The linear guide rail 7 has a notch, allowing one of the two transverse guide rails 13 to align with the linear guide rail 7 by moving the transverse frame 12, thus filling the notch. Both the linear guide rail 7 and the transverse guide rail 13 are H-beams, enabling the hoisting trolley 5 to move between the transverse guide rail 13 and the linear guide rail 7.

[0031] like Figure 2 As shown in the top view, the transverse guide rail 13 is a horizontal curved rail, and the transverse guide rail 13 is a horizontal arch. When the middle of the transverse guide rail 13 is above the high-pressure chamber 2, both ends are connected to the linear guide rail 7. Specifically, as... Figure 3 As shown, the middle of the upper transverse guide rail 13 is located directly above the upper high-pressure chamber 2, and the transverse guide rail 13 is connected to the linear guide rail. When the transverse frame 12 moves towards... Figure 2 When the upper part moves, it will drive the two horizontal guide rails 13 to move upward in the figure, so that the middle part of the lower horizontal guide rail 13 is directly above the lower high pressure chamber 2 and the horizontal guide rail 13 is connected to the linear guide rail.

[0032] By moving the aforementioned transverse frame, when the transverse frame 12 moves laterally so that the hatch cover 9 is above one high-pressure chamber 2, the transverse guide rail 13 on the side of the hatch cover 9 closest to the other high-pressure chamber 2 is positioned above the other high-pressure chamber 2 and engages with the linear guide rail 7 within the notch. This allows the hoisting trolley 5 to perform material removal and placement operations on the high-pressure chamber 2 without the hatch cover 9, positioned between the transverse guide rail 13 and the linear guide rail 7.

[0033] The hatch cover 9 is equipped with a fixing mechanism 4 that presses the hatch cover 9 tightly against the upper opening of the high-pressure chamber 2. For example... Figure 7-9 As shown, the fixing mechanism 4 includes a plurality of sliding blocks 45 arranged around the circumference of the hatch cover 9. In this embodiment, the hatch cover 9 is rectangular, so there are four sliding blocks 45 in this embodiment, which are respectively located at the midpoint of the four sides of the hatch cover 9.

[0034] The sliding block 45 slides radially along the hatch cover 9, and the sliding surface is inclined upward towards the center of the hatch cover 9, such as... Figure 9 As shown, an inclined guide rail 47 is fixed to the hatch 9. The sliding block 45 slides on the inclined guide rail 47 through a slider, so that the height of the sliding block 45 gradually increases as it moves toward the center of the hatch 9.

[0035] The fixing mechanism 4 also includes a spring 48, one end of which is fixedly connected to the sliding block 45, and the other end is fixedly connected to a spring mounting plate fixedly connected to the hatch cover 9. The extension direction of the spring 48 is parallel to the sliding direction of the sliding block 45. This ensures that the sliding block 45 experiences resistance from the spring 48 when sliding in both inward and outward directions.

[0036] The upper end of the sliding block 45 is hinged with a hook 42, and the side of the high-pressure chamber 2 is fixed with a protruding edge 43 that is adapted to the hook 42. The lower end of the hook 42 can be hooked under the protruding edge 43.

[0037] The fixing mechanism 4 also includes a central turntable 41 pivotally connected to the center of the hatch 9 and a rotary drive mechanism for driving the central turntable 41 to rotate. The hook 42 is connected to the central turntable 41 via a connecting rod 44. One end of the connecting rod 44 is ball-jointed to the hook 42, and the other end is ball-jointed to the central turntable 41. Therefore, when the central turntable 41 rotates, the connecting rod 44 moves inward and outward. The connecting rod 44 passes through the sliding block 45, and the diameter of the through hole is much larger than that of the connecting rod 44, thus not affecting the swing of the connecting rod 44.

[0038] The central turntable 41 is a gear, and the rotary drive mechanism includes a drive gear 46 meshing with the central turntable 41 and a turntable motor that drives the drive gear 46 to rotate. The diameter of the drive gear 46 is smaller than the diameter of the central turntable 41, thereby increasing the driving force.

[0039] When the hatch cover 9 is not covering the high-pressure chamber 2, the rotation of the central turntable 41 drives the connecting rod 44 to move outward. Under the resistance of the spring 48, the hook 42 swings outward relative to the sliding block 45, thus not affecting the hatch cover 9 covering the high-pressure chamber 2.

[0040] After the hatch cover 9 is placed on the high-pressure chamber 2, the central turntable 41 rotates to drive the connecting rod 44 to move inward, causing the hook 42 to swing inward relative to the sliding block 45 and hook under the convex edge 43. At this time, the connecting rod 44 continues to move inward, which will drive the sliding block 45 to move inward, thereby raising the height of the sliding block 45 and causing the hook 42 to hook the convex edge 43 upward, thus pressing the hatch cover 9 tightly against the upper opening of the high-pressure chamber 2 to ensure the ultra-high pressure sealing inside.

[0041] A method for using an ultra-high pressure processing system includes the following steps: a. Material is placed on the material rack 8. One of the high-pressure chambers 2 contains a material rack 8 that has not yet undergone ultra-high pressure treatment. The transverse frame 12 moves so that the cover 9 is above the high-pressure chamber 2. The cover 9 is placed on the upper opening of the high-pressure chamber 2 by the cover cylinder 10. The cover is pressed by the fixing mechanism 4. The high-pressure chamber 2 is working to carry out ultra-high pressure treatment. At this time, the other high-pressure chamber 2 has completed ultra-high pressure treatment and is open. The transverse guide rail 13 above the open high-pressure chamber 2 is connected to the linear guide rail 7. b. The trolley 5 drives the grabbing and lifting mechanism 6 to move along the transverse guide rail 13 to the top of the open high pressure chamber 2 and lifts out the internal material rack 8. Then it moves along the linear guide rail 7 to the top of the discharge conveyor belt 3 and places the material after high pressure treatment onto the discharge conveyor belt 3. c. The trolley 5 drives the grabbing and lifting mechanism 6 to move along the transverse guide rail 13 and the linear guide rail 7 to the top of the feeding conveyor belt 1, grabs the material rack 8 on the feeding conveyor belt 1 and lifts it, moves along the transverse guide rail 13 to the top of the empty high pressure chamber 2 and places the material rack 8 in it, and then the trolley 5 moves to the linear guide rail 7. d. Repeat step ac to allow the two high-pressure chambers 2 to alternately undergo ultra-high pressure treatment.

[0042] Of course, the above description is not limited to the examples above. Technical features not described in this invention can be implemented by or using existing technology, and will not be repeated here. The above embodiments and drawings are only used to illustrate the technical solutions of this invention and are not intended to limit this invention. This invention has been described in detail with reference to preferred embodiments. Those skilled in the art should understand that any changes, modifications, additions or substitutions made by those skilled in the art within the scope of this invention do not depart from the spirit of this invention and should also fall within the scope of protection of the claims of this invention.

Claims

1. An ultra-high pressure processing system, characterized in that: It includes a feeding conveyor belt, a high-pressure chamber assembly, and a discharging conveyor belt arranged in sequence. The high-pressure chamber assembly includes two high-pressure chambers arranged in the left and right, as well as linear guide rails extending in the front and rear and a hanging trolley that travels on the linear guide rails. The hanging trolley is equipped with a gripping and lifting mechanism, which is used to grip the material rack and drive the material rack to rise and fall. It also includes a transverse sliding frame that slides laterally above the high-pressure chamber assembly, the transverse sliding frame being equipped with a hatch cover and a hatch cover cylinder for driving the hatch cover to rise and fall, the hatch cover being equipped with a fixing mechanism for pressing the hatch cover against the upper opening of the high-pressure chamber; The transverse frame is fixed with transverse guide rails that are symmetrically arranged on both sides of the hatch cover. The linear guide rails have notches, and the transverse guide rails are horizontal curved rails. When the transverse frame moves laterally so that the hatch cover is above one high-pressure chamber, the transverse guide rail on the side of the hatch cover closer to the other high-pressure chamber is above the other high-pressure chamber and is connected to the linear guide rail in the notch. The fixing mechanism includes multiple sliding blocks arranged circumferentially along the hatch cover. The sliding blocks slide radially along the hatch cover, and the sliding surface is inclined upward towards the center of the hatch cover. A hook is hinged to the upper end of the sliding block. A protruding edge adapted to the hook is fixed to the side of the high-pressure chamber. The fixing mechanism also includes a central turntable axially connected to the center of the hatch cover and a rotary drive mechanism for driving the central turntable to rotate. The hook is connected to the central turntable through a connecting rod. One end of the connecting rod is connected to the hook ball joint, and the other end is connected to the center turntable ball joint; The fixing mechanism also includes a spring, one end of which is fixedly connected to the sliding block, and the other end of which is fixedly connected to a spring mounting plate fixedly connected to the hatch cover. The extension direction of the spring is parallel to the sliding direction of the sliding block.

2. The ultra-high pressure processing system according to claim 1, characterized in that: The central turntable is a gear, and the rotary drive mechanism includes a drive gear meshing with the central turntable and a turntable motor that drives the drive gear to rotate.

3. The ultra-high pressure processing system according to claim 1, characterized in that: The grabbing and lifting mechanism includes two lifting cylinders arranged left and right, which are vertically fixed to the lower end of the trolley. Multiple telescopic electromagnets are fixed to the telescopic shaft of the lifting cylinders. The side of the material storage rack has a socket that is compatible with the telescopic shaft of the telescopic electromagnet.

4. The ultra-high pressure processing system according to claim 3, characterized in that: A connecting rod is fixed between the two lifting cylinders.

5. The ultra-high pressure processing system according to claim 1, characterized in that: Both the linear guide rail and the transverse guide rail are H-beams. The trolley includes a trolley frame and two wheel seat plates fixed to the upper end of the trolley frame. The wheel seat plates are axled with a traveling wheel supported on the lower flange of the H-beam and a guide wheel attached to the web of the H-beam. At least one wheel seat plate is equipped with a traveling motor that drives the traveling wheel to rotate.

6. The ultra-high pressure processing system according to claim 1, characterized in that: The transverse guide rail is a horizontal arch, and when the middle of the transverse guide rail is above the high-pressure chamber, both ends are connected to the linear guide rail.

7. A method of using the ultra-high pressure processing system according to claim 1, characterized in that, Includes the following steps: a. Materials are placed on the material storage rack. One of the high-pressure chambers contains a material storage rack that has not yet undergone ultra-high pressure treatment. The transverse frame moves so that the cover is above the high-pressure chamber. The cover is then placed on the upper opening of the high-pressure chamber by the cover cylinder. The cover is pressed by the fixing mechanism. The high-pressure chamber is then subjected to ultra-high pressure treatment. At this time, the other high-pressure chamber has completed ultra-high pressure treatment and is set open. The transverse guide rail above the open high-pressure chamber is connected to the linear guide rail. b. The trolley drives the grabbing and lifting mechanism to move along the transverse guide rail to the top of the open high-pressure chamber and lifts out the internal material rack. Then it moves along the linear guide rail to the top of the discharge conveyor belt and places the material after high-pressure treatment onto the discharge conveyor belt. c. The trolley drives the grabbing and lifting mechanism to move along the transverse guide rail and the linear guide rail to the top of the feeding conveyor belt, grabs the material rack on the feeding conveyor belt and lifts it, moves along the transverse guide rail to the top of the empty high pressure chamber and places the material rack in it, and then the trolley moves to the linear guide rail. d. Repeat step ac to allow the two high-pressure chambers to alternately undergo ultra-high-pressure treatment.

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