Search

CN-121988431-A - Energy-saving garbage landfill humus soil nutrient soil raw material crushing device

CN121988431ACN 121988431 ACN121988431 ACN 121988431ACN-121988431-A

Abstract

The invention belongs to the field of soil raw material processing, in particular to an energy-saving type garbage landfill humus soil nutrition soil raw material crushing device which comprises a crushing box, a crushing heat generating mechanism, a composite gear transmission structure, a first blade revolution and a second blade rotation in the opposite direction to form a multidimensional shearing space, and a guide plate and square blocks are matched for assisting in crushing humus soil and nutrition soil ingredients to achieve uniform particle size, material winding or stacking dead angles can be avoided, meanwhile, passive friction heat generation and heat flow direction are innovatively fused, bidirectional heat convection is constructed by means of fan blades and spiral guide grooves, the material temperature is uniformly maintained, and the problem of temperature layering of external heat cooling in traditional equipment is solved.

Inventors

  • Chen Jiete
  • ZENG XINZE
  • CHEN JIAHUI
  • LI QIRUI
  • QIN SIYUAN

Assignees

  • 中兰环保科技股份有限公司
  • 深圳市下坪环境园

Dates

Publication Date
20260508
Application Date
20251229

Claims (10)

  1. 1. An energy-saving garbage landfill humus soil nutrient soil raw material crushing device, which is characterized by comprising: the crushing box (100) is characterized in that a feeding hopper is arranged at the top of the crushing box (100), and a discharge port is arranged at the bottom of the crushing box; A pulverizing and heating mechanism (200) mounted on and inside the pulverizing box (100) for pulverizing a raw material of soil and generating heat during the pulverizing process to equalize the temperature of the material, the pulverizing and heating mechanism (200) including a driving assembly including a fixing plate (201) fixedly connected to the outside of the pulverizing box (100) and a motor (202) mounted thereon, a pulverizing assembly including a main shaft directly driven by an output shaft of the motor (202), a plurality of first blades (203) fitted around the main shaft, and a plurality of second blades (204) rotatably connected between every two of the first blades (203) through bearings; The inner wall of the crushing box (100) is rotationally connected with a first gear (101) through a bearing, an inner ring of one second blade (204) is provided with an inner gear (205) meshed with the first gear (101), a plurality of second blades (204) are sleeved with connecting rods (206), and an outer ring of an output shaft of the motor (202) is also sleeved with a second gear (207) meshed with the first gear (101); And a reflux purification mechanism (300) which is arranged in the crushing box (100) and is used for collecting and purifying gas and heat generated in the crushing process and refluxing the dried gas and heat into the crushing box (100).
  2. 2. The device for pulverizing the humus soil nutrient soil raw materials in the energy-saving type refuse landfill according to claim 1, wherein the driving assembly of the pulverizing and heating mechanism (200) further comprises two cross bars (208) which are in transmission connection with the inner wall of the fixed plate (201), one cross bar (208) is in transmission connection with the output shaft of the motor (202) through a first synchronous pulley (209) and a first belt (210), and the two cross bars (208) are in transmission connection through a second synchronous pulley (211) and a second belt (212).
  3. 3. The device for crushing the humus soil nutrient soil raw materials in the energy-saving type refuse landfill is characterized in that the heat generating component of the crushing heat generating mechanism (200) comprises a heat generating disc (213) rotatably connected to the top of the crushing box (100) through a bearing and guide cones (214) fixedly connected to two sides of the inner wall of the crushing box (100), a first conical tooth (215) and a second conical tooth (216) which are meshed with each other are fixedly connected to the top of the heat generating disc (213) and one side of a corresponding cross rod (208) respectively, grooves are formed in the periphery of the bottom of the heat generating disc (213), fan blades (217) are fixedly connected to the outer ring of the heat generating disc (213), and a plurality of heat generating pieces (218) intermittently contacted with the bottom surface of the heat generating disc (213) are fixedly connected to the top of the guide cones (214).
  4. 4. The energy-saving garbage landfill humus soil nutrient soil raw material crushing device according to claim 3, wherein anti-slip protrusions are arranged on the contact surface of the heat generating pieces (218) and the heat generating disc (213), flow guide grooves (219) are formed in the top of the flow guide cone (214), four flow guide grooves (219) forming diagonal angles on the two flow guide cones (214) are spiral, the heat generating pieces (218) and the heat generating disc (213) are made of tungsten steel, and the diameter of the bottom end of the flow guide cone (214) is larger than the diameter of the circumference formed by rotation of the fan blades (217).
  5. 5. The energy-saving garbage landfill humus soil nutrient soil raw material crushing device according to claim 1, wherein guide plates (102) are fixedly connected to the inner wall of the crushing box (100), square blocks (103) are fixedly connected to one sides of the two guide plates (102), and one end, which is not connected with the guide plates (102), of each square block (103) is located between every two second blades (204).
  6. 6. The energy-saving garbage landfill humus soil nutrient soil raw material crushing device according to claim 1, wherein an annular cavity (104) is formed in the top of the crushing box (100), an air outlet nozzle (106) communicated with the annular cavity (104) is arranged on the periphery of the inner wall of the crushing box, a sealing ring (105) used for sealing is arranged on the top of the annular cavity (104), and the reflux purification mechanism (300) comprises a centrifugal air heater (301), and the air outlet end of the reflux purification mechanism is communicated with the annular cavity (104) through a connecting pipe (302) and an air supply pipe (303).
  7. 7. The energy-saving garbage landfill humus soil nutrient soil raw material crushing device according to claim 6, wherein the backflow purification mechanism (300) further comprises an activated carbon purification box (305) connected with the air suction end of the centrifugal air heater (301) through an air suction pipe (304), and a cyclone dust collector (307) communicated with the activated carbon purification box (305) through an L-shaped pipe (306), an air inlet of the cyclone dust collector (307) is connected with an air collection cover (309) through a special-shaped pipe (308), and a filter screen (310) is arranged at the bottom of the air collection cover (309).
  8. 8. The device for crushing the humus soil nutrient soil raw materials of the energy-saving type refuse landfill according to claim 1, wherein an L-shaped shielding plate (107) is fixedly connected to the bottom of the inner cavity of the crushing box (100) and is used for protecting the components of the reflux purification mechanism (300), and the top of the L-shaped shielding plate (107) is in an inclined plane shape.
  9. 9. The device for crushing the humus soil and the nutrient soil raw materials of the energy-saving refuse landfill according to claim 1, wherein the first blade (203) is connected with the main shaft by adopting a flat key, the second blade (204) is in clearance fit with the connecting rod (206), and the rotating speed of the second blade (204) is opposite to that of the first blade (203).
  10. 10. The device for crushing the humus soil nutrient soil raw materials in the energy-saving type refuse landfill according to claim 1, wherein a diversion inclined plate is arranged at a discharge hole at the bottom of the crushing box (100), and is matched with the inclined surface of the L-shaped shielding plate (107) to guide crushed materials to be concentrated towards the discharge hole.

Description

Energy-saving garbage landfill humus soil nutrient soil raw material crushing device Technical Field The invention relates to the field of soil raw material processing, in particular to an energy-saving garbage landfill humus soil nutrient soil raw material crushing device. Background The recycling utilization of soil-based raw materials such as humus soil, inorganic aggregate and the like of the garbage under-screen objects of the garbage landfill has become a key path for disposing the under-screen objects of the ecological restoration of the landfill. The soil-based raw material is rich in organic matters, nitrogen, phosphorus, potassium and other nutrient elements, can be converted into nutrient soil, cultivation matrix or ecological restoration material after standard pretreatment, realizes green transformation from waste to resources, and has important significance for relieving the shortage of cultivated land resources and improving the soil barren condition. On one hand, the traditional crushing equipment has the problems of single function and poor synergy, and on the one hand, the crushing effect is poor and the pretreatment homogeneity is insufficient. Traditional crushing apparatus design is simple, adopts single rotary blade or hammering formula structure more, and not only crushing efficiency is low, is difficult to be high with the moisture content, the serious humus raw materials of caking is broken to even particle diameter, still easily appears the material winding blade, pile up at cavity corner scheduling problem, leads to ejection of compact particle diameter deviation great, influences the homogeneity of follow-up fermentation. On the other hand, the temperature control unbalance in the crushing process affects the starting and efficiency of the subsequent fermentation after the material crushing is completed. The heat generation mechanism in the traditional equipment crushing process lacks effective management and control, and the friction heat generation among blade and material, material and material is the unordered state of passive for smash the regional local overheat of chamber core, and marginal region and the cold material temperature that continuously drops into are lower, form apparent interior hot outer cold temperature layering. In order to make up for the defect, the prior art is mostly adjusted by adding independent preheating equipment or prolonging the ageing time, but the additional preheating equipment not only increases the equipment purchase and operation cost, but also causes the interruption of process connection, reduces the continuity of the recycling process, and further reduces the production efficiency and the site occupation cost by prolonging the ageing time. Disclosure of Invention In order to solve the problem of uneven overall temperature of materials in the prior art, the invention provides an energy-saving type garbage landfill humus soil nutrient soil raw material crushing device. The technical scheme adopted by the invention for solving the technical problems is that the energy-saving garbage landfill humus nutrient soil raw material crushing device comprises: The crushing box is provided with a feeding hopper at the top and a discharge hole at the bottom; The crushing and heating mechanism is arranged on the crushing box and positioned in the crushing box and is used for crushing the soil raw material and generating heat in the crushing process so as to balance the temperature of the material, the crushing and heating mechanism comprises a driving assembly, a crushing assembly and a heating assembly, the driving assembly comprises a fixed plate fixedly connected to the outside of the crushing box and a motor arranged on the fixed plate, and the crushing assembly comprises a main shaft directly driven by an output shaft of the motor, a plurality of first blades sleeved on the main shaft and a plurality of second blades rotatably connected between every two first blades through bearings; The inner wall of the crushing box is rotationally connected with a first gear through a bearing, an inner ring of one second blade is provided with an inner gear meshed with the first gear, a plurality of second blades are sleeved with connecting rods, and an outer ring of an output shaft of the motor is also sleeved with a second gear meshed with the first gear; And the reflux purification mechanism is arranged in the crushing box and is used for collecting and purifying gas and heat generated in the crushing process and refluxing the gas and heat into the crushing box after drying the gas and heat. Preferably, the driving assembly of the crushing and heating mechanism further comprises two cross bars which are in transmission connection with the inner wall of the fixed plate, wherein one cross bar is in transmission connection with the motor output shaft through a first synchronous pulley and a first belt, and the two cross bars are in transmission connection thro