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CN-122016907-A - Freeze thawing cycle machine suitable for biochar freeze thawing cycle experiment

CN122016907ACN 122016907 ACN122016907 ACN 122016907ACN-122016907-A

Abstract

The invention discloses a freeze thawing cycle machine suitable for a biological carbon freeze thawing cycle experiment, which comprises a machine body bearing frame, wherein a circulating freeze thawing structure is arranged in the machine body bearing frame, a transfer structure is arranged at the upper end of the circulating freeze thawing structure, a material storage structure is arranged at the bottom end of the transfer structure, and a bearing base is fixedly connected to the bottom surface of the machine body bearing frame. According to the freeze thawing cycle machine suitable for the biochar freeze thawing cycle experiment, the storage box in the material storage structure is arranged, and the storage box is connected with the telescopic rod of the lifting mechanism through the connecting frame, the connecting seat and the plug-in locking mechanism formed by the plug rod, the plug-in block and the second spring.

Inventors

  • LIU GUANGNA
  • WU LIMING
  • WANG XILONG
  • WANG YUE
  • WANG ZIJIAN
  • ZOU JING
  • WU JIANPING

Assignees

  • 重庆开放大学重庆工商职业学院

Dates

Publication Date
20260512
Application Date
20260202

Claims (8)

  1. 1. The freeze thawing cycle machine suitable for the biochar freeze thawing cycle experiments is characterized by comprising a machine body bearing frame (1), wherein a circulating freeze thawing structure (2) is arranged in the machine body bearing frame (1), a transferring structure (3) is arranged at the upper end of the circulating freeze thawing structure (2), and a material storage structure (4) is arranged at the bottom end of the transferring structure (3); The machine body bearing frame comprises a machine body bearing frame body (1), wherein a bearing base (5) is fixedly connected to the bottom surface of the machine body bearing frame (1), four universal wheels (6) are fixedly connected to the bottom surface of the bearing base (5), a top-mounted guide frame (7) is fixedly connected to the top end of the machine body bearing frame (1), and a transfer structure (3) is arranged inside the top-mounted guide frame (7).
  2. 2. The freeze-thawing cycle machine suitable for biochar freeze-thawing cycle experiments according to claim 1, wherein the circulating freeze-thawing structure (2) comprises a water bath heating box (8) fixedly arranged inside a machine body bearing frame (1), a liquid nitrogen freezing box (9) is fixedly connected inside the machine body bearing frame (1), and the water bath heating box (8) and the liquid nitrogen freezing box (9) are arranged in mirror symmetry with the inside of the machine body bearing frame (1).
  3. 3. The freeze thawing cycle machine suitable for biochar freeze thawing cycle experiments according to claim 2, wherein a top sealing ring (10) is fixedly connected to the inside of the liquid nitrogen freezing box (9), four longitudinal guide rods (11) are fixedly connected to the inside of the liquid nitrogen freezing box (9), a sealing cover (12) is slidably arranged on the surface of the longitudinal guide rods (11), the sealing cover (12) is arranged at the bottom end of the top sealing ring (10), a top limiting block (13) is fixedly connected to the top end of the longitudinal guide rods (11), a first spring (14) is sleeved on the surface of the longitudinal guide rods (11), and two ends of the first spring (14) are fixedly connected with the sealing cover (12) and the top limiting block (13) respectively.
  4. 4. The freeze thawing cycle machine suitable for experiments on charcoal freeze thawing cycles according to claim 3, wherein the transfer structure (3) comprises a transverse guide rod (15) fixedly arranged inside the overhead guide frame (7), one end of the overhead guide frame (7) is fixedly connected with a gear motor (16), a transmission end of the gear motor (16) is rotationally connected with a threaded conveying rod (17), the threaded conveying rod (17) is rotationally arranged inside the overhead guide frame (7), and the threaded conveying rod (17) and the transverse guide rod (15) are arranged in front-back symmetry with the inside of the overhead guide frame (7).
  5. 5. The freeze-thawing cycle machine suitable for the experiment of the freeze-thawing cycle of the biochar according to claim 4, wherein the surface sliding connection of the transverse guide rod (15) is provided with the transverse guide rod (15), the bearing plate (18) is in threaded connection with the threaded conveying rod (17), the top surface of the bearing plate (18) is fixedly connected with the electric push rod (19), the driving end of the electric push rod (19) is provided with the telescopic rod (20), and the telescopic rod (20) is arranged in the bearing plate (18) in a sliding manner.
  6. 6. The freeze thawing cycle machine suitable for biochar freeze thawing cycle experiments according to claim 5, wherein the material storage structure (4) comprises a storage box (21), the storage box (21) is arranged at the bottom end of a telescopic rod (20), water permeable holes (22) are formed in the upper surface and the lower surface of the storage box (21), a baffle rod (23) is fixedly connected to one end of the storage box (21), a storage box (24) is slidably arranged in the storage box (21), and a handle (25) is fixedly connected to one end of the storage box (24).
  7. 7. The freeze-thawing cycle machine suitable for the experiment of the freeze-thawing cycle of the biochar according to claim 6, wherein a connecting seat (26) is fixedly connected to the bottom end of the telescopic rod (20), connecting frames (27) are symmetrically and fixedly connected to the top surface of the storage box (21), the connecting seat (26) is slidably arranged in the connecting frames (27), and one end of each connecting frame (27) is in a closed state.
  8. 8. The freeze thawing cycle machine suitable for the charcoal freeze thawing cycle experiments according to claim 7, wherein one side of the connecting frame (27) is fixedly connected with a sleeve (28), an inserting rod (29) is slidably arranged in the sleeve (28), one end of the inserting rod (29) is fixedly connected with an inserting block (30), a second spring (31) is sleeved on the surface of the inserting rod (29), two ends of the second spring (31) are respectively fixedly connected with the inserting block (30) and the sleeve (28), one end of the inserting rod (29) away from the inserting block (30) is fixedly connected with a pull ring (32), and one surface of the inserting block (30) is an inclined surface.

Description

Freeze thawing cycle machine suitable for biochar freeze thawing cycle experiment Technical Field The invention relates to the technical field of biochar modification equipment, in particular to a freeze-thawing cycle machine suitable for a biochar freeze-thawing cycle experiment. Background The freeze-thawing cycle experiment is a core test method for simulating the periodic change of the natural temperature in a laboratory to evaluate the durability of materials under the repeated freezing and thawing conditions. The basic principle is that the test piece is subjected to a plurality of cyclic processes of water ice expansion and ice melting contraction by precisely controlling the temperature. The freeze-thawing cycle machine suitable for the biochar freeze-thawing cycle experiment is disclosed in Chinese patent publication No. (CN 220063894U), wherein the freeze-thawing cycle machine suitable for the biochar freeze-thawing cycle experiment is recorded, and the problems of high labor intensity, low operation efficiency and potential safety hazard in the modification of the biochar in the prior art are solved. The freeze thawing cycle machine comprises a machine body, a material platform and a water bath heating box and a liquid nitrogen refrigerating box, wherein the translation mechanism capable of performing reciprocating rectilinear motion in the horizontal direction is arranged at the upper part of the machine body, the water bath heating box and the liquid nitrogen refrigerating box capable of performing independent reciprocating rectilinear motion in the vertical direction are arranged at the lower part of the machine body, the material platform is hung below the translation mechanism and moves synchronously with the translation mechanism, biological carbon is contained on the material platform, and when the water bath heating box or the liquid nitrogen refrigerating box is lifted in the vertical direction, the biological carbon on the material platform is immersed in the water bath heating box or the liquid nitrogen refrigerating box. In the whole, the freeze thawing cycle machine disclosed by the utility model is simple in structure and convenient to operate, can greatly lighten the labor intensity of workers, improves the efficiency of biochar treatment, reduces the safety risk and has good practicability. In summary, the prior art has the technical problems that the material container for bearing the biochar is generally and fixedly connected with or detached from the lifting mechanism, and the operation is complicated when the sample is required to be replaced and cleaned or different batches of experiments are carried out, so that the overall operation efficiency is affected; Secondly, when the material container is immersed in or leaves the liquid nitrogen environment with extreme temperature, the opening of the freezing box lacks an effective automatic sealing or buffering mechanism, which may cause the quick volatilization of the refrigerant, thereby not only causing waste but also increasing the safety risk of the laboratory environment. Disclosure of Invention In view of the above, it is necessary to provide a freeze/thaw cycle machine suitable for use in a biochar freeze/thaw cycle experiment in view of the above-described problems in the background art. In order to solve the technical problems, the invention adopts the following technical scheme: a freeze thawing cycle machine suitable for biochar freeze thawing cycle experiments. The freezing and thawing cycle machine body bearing frame suitable for the biological carbon freezing and thawing cycle experiment is characterized in that a circulating freezing and thawing structure is arranged in the machine body bearing frame, a transfer structure is arranged at the upper end of the circulating freezing and thawing structure, and a material storage structure is arranged at the bottom end of the transfer structure; the bottom surface fixedly connected with of organism bears the frame bears the base, the bottom surface fixedly connected with who bears the base four universal wheels, the top fixedly connected with overhead leading truck of organism bears the frame, the transportation structure sets up in the inside of overhead leading truck. As a preferred implementation mode of the freeze-thawing cycle machine suitable for the biochar freeze-thawing cycle experiment, the cycle freeze-thawing structure comprises a water bath heating box fixedly arranged in a machine body bearing frame, wherein a liquid nitrogen freezing box is fixedly connected in the machine body bearing frame, and the water bath heating box, the liquid nitrogen freezing box and the machine body bearing frame are arranged in mirror symmetry. As a preferred implementation mode of the freeze-thawing cycle machine suitable for the biochar freeze-thawing cycle experiment, which is provided by the invention, a top sealing ring is fixedly connected to the inside of the liquid nitr