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CN-122006849-A - Raw material crushing equipment for low-GI rice flour production and crushing method thereof

CN122006849ACN 122006849 ACN122006849 ACN 122006849ACN-122006849-A

Abstract

The invention discloses raw material crushing equipment for producing low GI rice flour and a crushing method thereof, and relates to the technical field of low GI rice flour production, the raw material crushing equipment comprises a hopper, wherein the hopper is a raw material feeding port of the device, a coarse powder machine is arranged at the bottom of the hopper and is used for roughly crushing raw materials, one end of the coarse powder machine is connected with a feeder, one end of the feeder is connected with a feeding air pipe, the other end of the feeder is connected with a crushing disc, the crushing disc is used for finely crushing the raw materials through collision of air flow driving, a material screening device is connected to the crushing disc and is used for screening the raw materials which are subjected to fine crushing, and the screened raw materials with coarse particles can be fed back into the crushing disc by the material screening device for secondary crushing; the device is through setting up feeder and sieve material ware to control raw materials crushing efficiency and effect, simultaneously through adjusting feeder and sieve material ware, and then can adjust the particle diameter of the device raw materials after crushing.

Inventors

  • TAN SHUGUANG

Assignees

  • 苍溪县金农粮油有限责任公司

Dates

Publication Date
20260512
Application Date
20260112

Claims (9)

  1. 1. The raw material crushing equipment for producing the low GI rice flour comprises a hopper (10), a feeding air pipe (101) and a high-pressure air pipe (102), and is characterized in that the hopper (10) is a raw material feeding port of the device, a coarse powder machine (20) is arranged at the bottom of the hopper (10) and used for coarse crushing of raw materials, one end of the coarse powder machine (20) is connected with a feeder (30), one end of the feeder (30) is connected with the feeding air pipe (101), the other end of the feeder (30) is connected with a crushing disc (40), the crushing disc (40) is connected with the high-pressure air pipe (102), the high-pressure air pipe (102) is used for inputting high-speed air flow into the crushing disc (40), the crushing disc (40) drives the raw materials to collide mutually for fine crushing, a material screening device (50) is connected to screen the raw materials which pass through the fine crushing device, the screened coarse particles can be fed back into the crushing disc (40) for secondary crushing, one end of the screened raw materials is connected with the crushing device (50), a powder separating system (60) is connected with one end of the crushing device (50), a gas separating system (60) is arranged at the bottom of the crushing disc (60) for separating the raw materials, a material collecting system (60) is arranged at the bottom of the crushing disc (60), one side of the gas-powder separation system (60) is provided with a gas treatment and discharge system (80) for treating the gas flow, and the gas flow flows out of the device after being treated by the gas treatment and discharge system (80).
  2. 2. The raw material crushing equipment for producing low-GI rice flour according to claim 1, wherein the feeder (30) comprises a feeder case (301), one end of the feeder case (301) is connected with a feeding air pipe (101), the other end of the feeder case (301) is connected with a crushing disc (40), an upper semicircular block (305) is rotatably arranged in the feeder case (301) near one end of the feeding air pipe (101), the upper semicircular block (305) is symmetrically arranged in the feeder case (301), the upper semicircular block (305) is semicircular, and the two upper semicircular blocks (305) form a horn-shaped through hole in the feeder case (301); One end, far away from a feeding air pipe (101), in the feeding machine box (301) is rotatably provided with a lower semicircular block (310), the lower semicircular block (310) is symmetrically arranged in the feeding machine box (301), the lower semicircular block (310) is semicircular, and two lower semicircular blocks (310) form a horn-shaped through hole in the feeding machine box (301).
  3. 3. The raw material crushing equipment for producing low GI rice flour according to claim 2, wherein the outer wall of the upper semicircular block (305) is fixedly provided with an upper pressing rod (306), the feeder case (301) is internally provided with an auxiliary sliding plate (307), the auxiliary sliding plate (307) is symmetrically arranged in the feeder case (301), and the upper pressing rod (306) on the upper semicircular block (305) is clamped on the auxiliary sliding plate (307); a lower pressing rod (309) is fixedly arranged on the outer wall of the lower semicircular block (310), the lower pressing rod (309) is clamped in the main sliding plate (308), and the lower pressing rod (309) is used for driving the main sliding plate (308) to slide in the feeder cabinet (301); An upper gear (304) is fixedly arranged at one end of the upper semicircular block (305), the upper gear (304) is arranged on the outer wall of the feeder case (301), the two upper gears (304) on the outer wall of the feeder case (301) are symmetrically arranged and meshed with each other, and an angle scale mark is further arranged on the outer wall of the feeder case (301) around the upper gear (304) for marking the rotating angle of the upper semicircular block (305) in the feeder case (301), so that a user can conveniently adjust the horn mouth shape formed by the two upper semicircular blocks (305).
  4. 4. The raw material crushing equipment for producing low GI rice flour according to claim 3, wherein one end of the lower semicircular block (310) is fixedly provided with a lower gear (311), the lower gear (311) is arranged on the outer wall of the feeding machine case (301), the two lower gears (311) on the outer wall of the feeding machine case (301) are symmetrically arranged and meshed with each other, and the outer wall of the feeding machine case (301) is further provided with an angle scale mark around the lower gear (311) for marking the rotation angle of the lower semicircular block (310) in the feeding machine case (301), so that a user can conveniently adjust the horn mouth shape formed by the two lower semicircular blocks (310).
  5. 5. The raw material crushing equipment for producing low GI rice flour according to claim 1, wherein the material screening device (50) comprises a material separating box (501), one end of the material separating box (501) is provided with a material separating pipe (504), one end of the material separating pipe (504) is connected with the material screening device (50) to enable the crushed materials carried by the air flow to enter the material separating box (501), one end of the material separating box (501) is fixedly provided with a discharging pipe (505), and the other end of the discharging pipe (505) is connected with a gas-powder separation system (60); The material blocking plates (502) are rotatably arranged in the material distribution box (501), the material blocking plates (502) are obliquely arranged in the material distribution box (501) and used for guiding the airflow flowing direction, the material blocking plates (502) are uniformly distributed in a stepped mode, the material blocking plates (502) are used for slowing down the airflow flowing speed in the material distribution box (501), and meanwhile guiding the airflow flowing direction, so that particles with larger mass carried in the airflow fall to the bottom of the material distribution box (501) through gravity.
  6. 6. The raw material crushing equipment for producing low-GI rice flour according to claim 5, wherein a return material rotating plate (506) is rotatably arranged at the lowest part of the bottom of the material separating box (501), the return material rotating plate (506) is used for conveying larger-mass particles in the material separating box (501) out of the material separating box (501), the return material rotating plate (506) can also prevent the air flow in the crushing disc (40) from directly channeling into the material separating box (501), a material separating return pipe (507) is fixedly arranged at one end of the material separating box (501) provided with the return material rotating plate (506), and the material separating return pipe (507) is connected with the crushing disc (40) so as to enable the larger-mass particles to return into the crushing disc (40).
  7. 7. The raw material crushing equipment for producing low-GI rice flour according to claim 1, wherein the coarse powder machine (20) comprises an outer machine shell (201) and a coarse material cylinder (203), the outer machine shell (201) is fixedly connected with the hopper (10), a plurality of powder material rollers (204) are arranged in the coarse powder machine (20) and used for carrying out coarse crushing on raw materials, a screen (205) is arranged in the outer machine shell (201), the screen (205) is used for screening the size of particles passing through the powder material rollers (204), and a feeding screw (206) is rotatably arranged in the coarse material cylinder (203).
  8. 8. The apparatus of claim 1, wherein the pulverizing disc (40) comprises an outer cover (401), an upper cover (402) and a lower cover (406), the upper cover (402) and the lower cover (406) form a pulverizing chamber, the lower cover (406) and the upper cover (402) are fixed and restricted by the outer cover (401), a locking screw (405) is disposed on the outer cover (401) for fastening, a feed pipe (403) is disposed on the upper cover (402) for guiding materials into the pulverizing chamber, the feed pipe (403) is connected with one end of a feeder (30), a feed back pipe (404) is further disposed on the upper cover (402) for guiding larger particles in the feeder (50) into the pulverizing chamber, an air flow distributing chamber is formed between the lower cover (406) and the lower cover (406), a plurality of air flow guide holes are disposed on the upper cover (407) and inclined air flow guide holes are disposed on the air flow guide plate (407), a vortex (408) is disposed on one end of the air guide pipe (102) and connected with the air guide pipe (407) for fixing the upper vortex (408), the other end of the air inlet pipe (408) is arranged in the air flow distribution chamber.
  9. 9. The pulverizing method using a raw material pulverizing apparatus for producing low GI rice flour according to any one of claims 1 to 8, comprising the steps of: s1, coarse crushing of raw materials is carried out through a powder roller (204) in a coarse powder machine (20), screening is carried out through a screen (205), the raw materials after coarse crushing are conveyed into a feeder (30) through a feeding screw (206), and air flow in the feeder (30) carries the raw materials after coarse crushing into a crushing cavity in a crushing disc (40) uniformly; s2, high-pressure gas in the crushing cavity enters into the crushing cavity to form vortex so as to drive raw materials to collide, and the raw materials enter into the crushing cavity and collide with each other so as to achieve the crushing effect; s3, the crushed particles are driven by air flow to enter a material distribution box (501) through a material distribution pipe (504), and the air flow speed is reduced by a material blocking plate (502) in the material distribution box (501) so as to enable the particles with larger mass to fall to the bottom of the material distribution box (501); s4, conveying the particles with larger mass at the bottom of the material distribution box (501) back to the crushing chamber through the material return rotating plate (506) again for secondary crushing; S5, enabling the air flow and raw materials passing through the material separating box (501) to enter a gas-powder separation system (60) for collection; s6, collecting materials collected in the gas-powder separation system (60) in the collecting barrel (70) for temporary storage, and discharging the air flow out of the device after being processed by the gas processing and discharging system (80).

Description

Raw material crushing equipment for low-GI rice flour production and crushing method thereof Technical Field The invention relates to the technical field of low GI rice flour production, in particular to raw material crushing equipment for low GI rice flour production and a crushing method thereof. Background With the increasing attention of consumers to healthy diet, low-GI (glycemic index) food gradually becomes a research hot spot of the food industry due to the advantages of the low-GI food in terms of controlling blood sugar, maintaining energy balance and the like, and the market demand of the low-GI rice flour as an important food of low-GI staple food is continuously growing. In the production process of the low GI rice flour, the raw material treatment used in the production has strict requirements, and in the process of treating and crushing the raw material, a micron-sized crushing method is adopted, so that the cell wall structure of the raw material can be destroyed by crushing the raw material into micron-sized particles, further, the components such as dietary fiber, resistant starch and the like in the coarse cereal are fully released, in addition, the hydration characteristic and the solubility of the coarse cereal powder can be obviously improved, and meanwhile, part of beta starch can be converted into alpha starch, and the digestion rate and other beneficial modes are reduced. However, the traditional raw material crushing equipment faces the following technical bottlenecks in low GI rice flour production, the existing crushing equipment is difficult to realize accurate regulation and control of the particle size of raw material particles, the particle size is uneven after crushing, the gelatinization degree and digestion rate of starch in subsequent processing are affected, the GI value of a product is further fluctuated, and the strict standard of low GI food is difficult to meet. Disclosure of Invention Aiming at the technical problems, the invention provides the following technical scheme: The utility model provides a raw materials crushing apparatus is used in production of low GI ground rice, includes hopper, pay-off trachea, high-pressure trachea, the hopper is this device raw materials feed inlet, the hopper bottom is provided with the coarse powder machine and is used for carrying out crude crushing to the raw materials, the one end of coarse powder machine is connected with the feeder, the one end and the pay-off trachea of feeder are connected, the other end of feeder is connected with crushing dish, crushing dish and high-pressure trachea are connected, and the high-pressure trachea is used for inputting the high-pressure high-speed air current for crushing in the dish, crushing dish collides each other through the air current and carries out meticulous crushing, be connected with the sieve ware on the crushing dish and be used for sieving through meticulous crushed raw materials, the sieve ware can also be sent back to the crushing dish with the raw materials of comparatively coarse granule that is selected and carry out secondary crushing, the one end of sieve ware is connected with gas-powder separation system, gas-powder separation system is used for separating the material after crushing with the air current, gas-powder separation system bottom is provided with the collecting drum and is used for collecting the raw materials after smashing, one side of gas-powder separation system is provided with gas treatment exhaust system, gas stream is used for discharging after the gas treatment system through gas treatment stream and discharges this device. Further, the feeder is inclined in the device and is arranged at an angle of a crushing disc, the setting angle of the feeder in the device is forty degrees relative to the horizontal position, the feeder comprises a feeder case, one end of the feeder case is connected with a feeding air pipe, the other end of the feeder case is connected with the crushing disc, an upper semicircular block is rotatably arranged at one end, close to the feeding air pipe, of the feeder case, the upper semicircular block is symmetrically arranged in the feeder case, the upper semicircular blocks are semicircular, two upper semicircular blocks form a trumpet-shaped through hole in the feeder case, the upper semicircular blocks can synchronously rotate in the feeder case to adjust the airflow velocity in the feeding air pipe, when the symmetrically arranged upper semicircular blocks form a trumpet-shaped structure, and the large mouth end of the trumpet-shaped structure faces the feeding air pipe, the upper semicircular block can improve the airflow velocity passing through the upper semicircular block, and vice versa. Further, the one end that the pay-off trachea was kept away from to the feeder box rotates and installs the semicircle piece down, semicircle piece sets up at feeder box symmetry down, semicircle piece is semicircular down, and two se