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CN-224218957-U - Straw pulverizer utilizing air kinetic energy to assist in material lifting

CN224218957UCN 224218957 UCN224218957 UCN 224218957UCN-224218957-U

Abstract

The utility model relates to a straw pulverizer utilizing air kinetic energy to assist in material lifting, which comprises a feeding cavity, a slip flow cavity, a material lifting cavity and a flash tank in a machine body, wherein the bottom of the feeding cavity is communicated with the bottom of the material lifting cavity through the slip flow cavity, the slip flow cavity is obliquely arranged, the upper part of the material lifting cavity is communicated with the feeding cavity through the flash tank, the flash tank is obliquely arranged, a pulverizing cutter disc is arranged in the bottom of the feeding cavity, a material outlet is arranged at the bottom wall of the slip flow cavity, a screen is arranged at the material outlet, a packing auger penetrating through the length direction of the material lifting cavity is rotationally connected in the material lifting cavity, and an air driving mechanism used for enabling straw materials to be separated from the packing auger or the inner wall of the material lifting cavity is arranged in the material lifting cavity. After the straw materials are primarily crushed and screened, air flow is generated through an air driving mechanism in the material lifting cavity, the crushed straw materials with uneven particle size and lighter weight are lifted by utilizing an air flow auxiliary material lifting mechanism, and the straw materials with smaller particles or flaky shapes are prevented from being clamped between the material lifting mechanism and the pipe wall of the material lifting mechanism.

Inventors

  • SU HUIBIN
  • HU MING
  • WANG RONGTAO
  • SHAO KE
  • ZAN HAIFENG

Assignees

  • 光大绿色环保技术服务(江苏)有限公司

Dates

Publication Date
20260512
Application Date
20250428

Claims (8)

  1. 1. The straw pulverizer utilizing the air kinetic energy to assist in material lifting comprises a machine body (1), and is characterized in that a feeding cavity (2), a slip flow cavity (3), a material lifting cavity (4) and a material overflow groove (5) are formed in the machine body (1), the material lifting cavity (4) is obliquely and vertically arranged, the bottom of the feeding cavity (2) is communicated with the bottom of the material lifting cavity (4) through the slip flow cavity (3), the slip flow cavity (3) is obliquely arranged, the lower end of the slip flow cavity is positioned at one side of the material lifting cavity (4), the upper part of the material lifting cavity (4) is communicated with the feeding cavity (2) through the material overflow groove (5), and the lower end of the material overflow groove (5) is obliquely arranged at one side of the feeding cavity (2); The feeding device is characterized in that a crushing cutter head (201) is arranged at the inner bottom of the feeding cavity (2), a discharge hole is formed in the bottom wall of the slip flow cavity (3), a screen (301) is arranged at the discharge hole, a packing auger (401) penetrating through the length direction of the material lifting cavity (4) is rotationally connected in the material lifting cavity (4), and an air driving mechanism used for enabling straw materials to be separated from the packing auger (401) or the inner wall of the material lifting cavity (4) is arranged in the material lifting cavity (4).
  2. 2. A straw pulverizer using aerodynamic energy for assisting in lifting according to claim 1, characterized in that the air driving mechanism comprises a first fan (601) fixedly mounted at the top end of the lifting cavity (4), the first fan (601) having a blowing mode towards the inside of the lifting cavity (4) and an air extracting mode towards the outside of the lifting cavity (4).
  3. 3. A straw pulverizer using air kinetic energy for assisting in lifting according to claim 1, wherein the air driving mechanism comprises a second fan (602) fixedly mounted on the side edge of the bottom of the lifting cavity (4), and the second fan (602) has a blowing mode facing the auger (401).
  4. 4. A straw pulverizer using aerodynamic energy for assisting in lifting according to claim 1, characterized in that the air driving mechanism comprises a first fan (601) fixedly mounted at the top end of the lifting cavity (4) and a second fan (602) fixedly mounted at the side edge of the bottom of the lifting cavity (4), the first fan (601) has a blowing mode facing the inside of the lifting cavity (4) and a suction mode facing the outside of the lifting cavity (4), and the second fan (602) has a blowing mode facing the auger (401).
  5. 5. Straw pulverizer using air kinetic energy for assisting in lifting according to claim 1, characterized in that the surface of the machine body (1) is provided with a control unit (603) for controlling the working state of the air drive mechanism.
  6. 6. Straw pulverizer using aerodynamic energy for auxiliary material lifting according to claim 1, characterized in that the bottom wall of the feeding chamber (2), the bottom wall of the material lifting chamber (4) and the screen (301) are inclined to the same extent and are in the same plane.
  7. 7. The straw pulverizer utilizing air kinetic energy to assist in material lifting according to claim 1, wherein a pulverizing motor (202) for driving the pulverizing cutter head (201) to rotate is embedded below the feeding cavity (2) in the machine body (1), and a transmission output end of the pulverizing motor (202) is fixedly connected with the pulverizing cutter head (201).
  8. 8. The straw pulverizer utilizing air kinetic energy to assist in material lifting according to claim 1, wherein a material lifting motor (402) for driving the auger (401) to rotate is embedded below the material lifting cavity (4) in the machine body (1), and a transmission output end of the material lifting motor (402) is fixedly connected with the auger (401).

Description

Straw pulverizer utilizing air kinetic energy to assist in material lifting Technical Field The utility model relates to the technical field of straw processing equipment, in particular to a straw pulverizer utilizing air kinetic energy to assist in material lifting. Background Straw fermentation is a straw treatment method for improving the nutritive value of crop straw, and is also called as straw microorganism fermentation storage technology. Before the straw is fermented, the straw is usually required to be pretreated, such as crushing, so that the straw can be crushed into fine particles or fragments, the treatment mode is beneficial to accelerating the decomposition speed of the straw, the surface area of the straw can be enlarged due to crushing, microorganisms can decompose organic matters in the straw more easily under the condition of larger surface area, the crushed straw can be mixed with other organic materials more easily to form a better organic fertilizer pile, and for enterprises which need straw or straw product production, the crushed straw not only can improve the production efficiency, but also can be more convenient in processing and forming. In the prior art, after the straw materials enter the pretreatment device for pretreatment and crushing operation, the crushed straw materials are subjected to primary screening by means of a screen, and the straw materials which do not pass through the screen and cannot be crushed in place are subjected to secondary crushing treatment by means of secondary lifting, so that the crushing effect of the pretreatment device on the straw materials is ensured. However, during the process of lifting and conveying the straw materials with uneven particle size and lighter weight after the primary crushing by a single mechanical lifting mechanism (such as a screw), the straw materials with smaller particles or sheet shapes are easy to be clamped between the lifting mechanism and the pipe wall, so that abrasion or sliding is caused, and the lifting effect is not ideal. Disclosure of utility model Aiming at the problem that small particles or sheet materials are easy to clamp into equipment gaps during mechanical material lifting caused by uneven particles and light weight of crushed straws in the prior art, the utility model provides a straw crusher which utilizes air kinetic energy to assist material lifting, comprising a machine body, wherein a feeding cavity, a slip flow cavity, a material lifting cavity and a material overflow groove are formed in the machine body; The feeding device comprises a feeding cavity, a crushing cutter disc, a discharging hole, a screen, an auger, an air driving mechanism and a straw lifting cavity, wherein the crushing cutter disc is arranged at the bottom of the feeding cavity, the discharging hole is formed in the bottom wall of the sliding flow cavity, the screen is arranged at the discharging hole, the auger penetrating through the length direction of the lifting cavity is connected in a rotating mode in the lifting cavity, and the air driving mechanism is arranged in the lifting cavity and used for enabling straw materials to be separated from the auger or the inner wall of the lifting cavity. Further, the air driving mechanism comprises a first fan fixedly installed at the top end of the lifting cavity, and the first fan is provided with a blowing mode facing the inside of the lifting cavity and an air draft mode facing the outside of the lifting cavity. Further, the air driving mechanism comprises a second fan fixedly installed on the side edge of the bottom of the lifting cavity, and the second fan is provided with a blowing mode facing the auger. Further, the air driving mechanism comprises a first fan fixedly installed at the top end of the lifting cavity and a second fan fixedly installed at the side edge of the bottom of the lifting cavity, the first fan is provided with a blowing mode facing the inside of the lifting cavity and an air draft mode facing the outside of the lifting cavity, and the second fan is provided with a blowing mode facing the auger. Further, a control unit for controlling the working state of the air driving mechanism is arranged on the surface of the machine body. Further, the bottom wall of the feeding cavity, the bottom wall of the lifting cavity and the inclination degree of the screen are the same, and the bottom wall, the bottom wall and the inclination degree of the screen are in the same plane. Further, a crushing motor for driving the crushing cutter disc to rotate is embedded below the feeding cavity in the machine body, and the transmission output end of the crushing motor is fixedly connected with the crushing cutter disc. Further, a lifting motor for driving the auger to rotate is embedded below the lifting cavity in the machine body, and a transmission output end of the lifting motor is fixedly connected with the auger. Compared with the prior art, the utility model has the foll