Bamboo dietary fiber cyclic crushing method based on feed

Abstract

The invention provides a bamboo dietary fiber cyclic crushing method based on feed. The method comprises the following steps that bamboo chips or excess materials are placed on a feeding conveying belt and enter a crusher; the crushed materials enter a coarse crushing elevator after being preliminarily crushed by the crusher; the coarse crushing elevator shears and crushes the crushed materials, the crushed materials fall into the grinding machine to be ground into powder, and the powder falls into the discharging box and the grinding elevator; the grinding elevator lifts the powder in the discharging box into the sorting machine, and the powder is subjected to multi-stage sorting through the sorting machine; qualified fine powder falls out from a powder outlet of the sorting machine and is collected uniformly, and coarse powder falls onto the sorting elevator from a coarse material outlet and is conveyed into the grinding feed hopper again through the sorting elevator to be circularly crushed. After the scheme is adopted, the structure is reasonable, and the using effect is good.

Description

Technical Field

[0001] The invention relates to the technical field of food processing technology, in particular to a recycling crushing method of bamboo dietary fiber used as feed. Background Art

[0002] During the production and processing of bamboo, a large amount of waste (bamboo chips, tails, short materials, etc.) will be generated. These raw materials can be crushed to form bamboo fiber raw materials. Bamboo fiber raw materials are rich in protein and a variety of essential amino acids for animals. At the same time, they do not contain saturated fatty acids and have a low fat content. Therefore, they are suitable for the production and breeding of animal meat. Its nutrients are easily digested and absorbed by animals, and have a good promoting effect on the growth and development of animals. At the same time, it does not contain pollutants and harmful substances, which can reduce the burden on animal viscera and ensure the health of animals. Bamboo fiber raw materials can be used as a source of nutrition for animal growth and development, and are one of the best feed raw materials. Now the waste materials of bamboo products enterprises are directly collected and sent to feed factories, and crushed together with other raw materials. However, because the waste materials are hard, it is often difficult to crush them when mixed with other raw materials, resulting in uneven fineness of the powder, affecting animal digestion and absorption, and causing adverse effects on feeding. At the same time, the powder is easy to agglomerate after grinding, affecting the screening effect. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a cyclic pulverizing method for bamboo dietary fiber for feed, which integrates crushing, grinding and screening and effectively prevents powder from agglomerating.

[0004] To achieve the above object, the method comprises the following steps: Step 1: Place bamboo chips or leftovers on the feed conveyor belt and drive them into the crusher through the feed conveyor belt; The second step: the crushed materials are initially crushed by the pulverizer and then enter the coarse crushing elevator; The third step: the coarse crushing elevator shears and crushes the crushed materials into fine materials; Step 4: The fine material falls into the grinder for grinding to form powder, and the powder falls into the discharge box, and then falls into the grinding elevator through the discharge box; Step 5: The grinding elevator lifts the powder in the discharge box to the sorting machine, and the sorting machine performs multi-level sorting; Step 6: Qualified fine powder falls out from the powder outlet of the sorting machine and is collected uniformly, and the coarse powder falls from the coarse outlet to the sorting elevator, and is sent to the grinding feed hopper again through the sorting elevator for cyclic crushing.

[0005] The discharge box of the fourth step and the lighter powder in the grinding elevator are collected by a cyclone dust collector. During the fifth step of the separator, the powder enters from the powder inlet and falls onto the scattering plate. After being scattered by the scattering plate, it falls onto the vibrating screen plate. The vibrating screen plate vibrates under the drive of the vibrator, and the scattering powder is screened from coarse to fine. After screening, the powder falls out from the corresponding powder outlet.

[0006] After the above scheme is adopted in the present invention, the bamboo fiber raw material (broken bamboo pieces) is placed on the feed conveyor belt, driven by the feed conveyor belt into the pulverizer for preliminary crushing, the crushed pieces after preliminary crushing fall into the coarse crushing feed hopper, enter the lifting cylinder through the coarse crushing feed hopper for grinding, fall into the grinding feed hopper after grinding, enter the grinder for grinding to form powder, fall into the grinding elevator through the discharge box, and be lifted to the sorting machine by the grinding elevator for screening, qualified fine powder falls out from the powder outlet of the sorting screen and is uniformly collected, and coarser coarse powder falls from the coarse material outlet to the sorting elevator, is lifted into the grinding feed hopper for cyclic crushing; the structure after adopting this scheme is reasonable and the use effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0008] Figure 2 It is a schematic diagram of a coarse crushing elevator of the present invention.

[0009] Figure 3 It is a schematic diagram of the sorting component and the disintegrating component of the present invention.

[0010] Figure 4 It is a schematic diagram of a breaking up shaft of the present invention. DETAILED DESCRIPTION

[0011] The present invention will be further described below in conjunction with all the accompanying drawings. The preferred embodiments of the present invention are as follows: Figure 1 To Attachment Figure 4 The device of the bamboo dietary fiber circulation crushing method described in this embodiment includes a crusher 1, a grinder 2, a coarse crushing elevator 4, and a grinding elevator 7. A feed conveyor belt 3 is installed at the input end of the crusher 1, and the outlet of the crusher 1 is connected to the coarse crushing feed hopper of the coarse crushing elevator 4. A grinding feed hopper 5 is installed on the top of the grinder 2, and the outlet of the coarse crushing elevator 4 is located above the grinding feed hopper 5. A discharge box 6 is provided on one side of the lower part of the grinder 2, and one end of the grinding elevator 7 is connected to the discharge box 6, and the other end of the grinding elevator 7 extends to the top of the sorting machine 15. A sorting elevator 8 is provided at the outlet of the sorting machine 15, and the outlet of the sorting elevator 8 is located above the grinding feed hopper 5. The discharge box 6 and the grinding elevator 7 are both connected with a powder suction pipe 9, and the powder suction pipe 9 is connected to a cyclone dust collector 10.

[0012] The coarse crushing elevator 4 includes an inclined lifting cylinder 11, in which a grinding shaft 12 is installed through a bearing, and the axis of the grinding shaft 12 is located on the same straight line as the axis of the lifting cylinder 11. The inner cavity of the lifting cylinder 11 is conical, and its larger end is located at the bottom of the coarse crushing feed hopper. A coarse crushing motor is installed on the top of the lifting cylinder 11, and a driving wheel is installed on the transmission shaft of the coarse crushing motor. One end of the grinding shaft 12 passes through the bearing and is connected to the driven wheel, and the driven wheel and the driving wheel are connected by a transmission belt. The grinding shaft 12 is a straight shaft, and a spiral grinding rib 13 is provided on the surface of the grinding shaft 12. An annular or toothed grinding protrusion 14 is provided on the inner cavity wall of the lifting cylinder 11, and a grinding area is formed between the grinding protrusion 14 and the grinding rib 13.

[0013] The classifier 15 includes a dispersion cylinder 21 and a limiting cylinder 24. A fixed plate 22 is fixed to the lower part of the inner cavity of the dispersion cylinder 21. A cylinder cover 23 is installed on the top of the dispersion cylinder 21, and a powder inlet is provided on the cylinder cover 23. A bearing is provided at the center of the fixed plate 22. The bottom of the limiting cylinder 24 passes through the bearing downward and is connected to the driven bevel gear 25. A gear box 27 is installed at the bottom of the fixed plate 22. The gear box 27 is driven by a corresponding motor. An active bevel gear 28 is installed on the output shaft of the gear box 27, and the active bevel gear 28 is meshed with the driven bevel gear 25. A scrambling shaft 212 is movably sleeved in the limiting cylinder 24, and a scrambling assembly is installed on the scrambling shaft 212. A sorting assembly is installed on the outer side of the limiting cylinder 24.

[0014] The sorting component includes a vibrating cylinder 29 and a vibrating screen plate 210, wherein the vibrating cylinder 29 is movably mounted on the outside of the limiting cylinder 24, and there are multiple vibrating screen plates 210, which are installed on the outer peripheral surface of the vibrating cylinder 29 from top to bottom. A limiting support rod 211 is horizontally fixed on one side of the bottom of the vibrating cylinder 29, and a limiting hole is provided on the limiting support rod 211 which passes through the upper and lower parts. A limiting shaft 212 is vertically fixed on the fixed plate 22, and the limiting hole is fitted with the limiting shaft 212. The other side of the bottom of the vibrating cylinder 29 is connected to a vibrator 213 installed on the fixed plate 22. A powder outlet is provided on the dispersion cylinder 21, and a powder outlet guide plate is provided at the lower end of the vibrating screen plate 210, and the powder outlet guide plate passes through the powder outlet to form a powder outlet end.

[0015] The scattering assembly includes a scattering disc 214 and a lever 26, wherein the top of the scattering shaft 212 passes upward through the limit tube 24 and is connected to the center of the bottom of the scattering disc 214, a return spring 215 is sleeved on the scattering shaft 212 between the limit tube 24 and the scattering disc 214, the bottom of the return spring 215 abuts against the top of the limit tube 24, the top of the return spring 215 abuts against the bottom of the scattering disc 214, a pointed cone-shaped scattering surface is provided on the top surface of the scattering disc 214, and raised scattering thorns 216 are distributed on the scattering surface; the bottom of the scattering shaft 212 passes downward through the limit tube 24 and the driven bevel gear 25 and is connected to the lever 26. The cross section of the scattering shaft 212 is square, and the cross section of the inner cavity of the limit tube 24 matches the cross section of the scattering shaft 212. The lever 26 is L-shaped, and the top of its vertical arm is connected to the bottom of the breaking shaft 212. An inclined lever guide surface is provided on the horizontal arm of the lever 26. A "7"-shaped fixed rod 217 is fixed to the gear box 27 below the active bevel gear 28. The horizontal plane of the bottom of the lever guide surface is lower than the horizontal plane of the bottom of the vertical arm of the fixed rod 217, and the horizontal plane of the top of the lever guide surface is higher than the horizontal plane of the bottom of the vertical arm of the fixed rod 217.

[0016] After the above device is used, the bamboo fiber raw material (broken bamboo pieces) is placed on the feed conveyor belt, and driven by the feed conveyor belt into the crusher for preliminary crushing. The crushed pieces after preliminary crushing fall into the coarse crushing feed hopper, and enter the coarse crushing elevator through the coarse crushing feed hopper; The grinding shaft is driven by the coarse crushing motor to rotate, and the crushed materials are transported upward by the grinding ribs, while the crushed materials are ground by the grinding protrusions; The conical grinding area can squeeze the crushed materials during the rising process, making it easier for the grinding ribs and grinding protrusions to shear and crush the crushed materials. The fine material sheared by the coarse crushing elevator falls into the grinding feed hopper, enters the grinder for grinding to form powder, and the powder falls into the discharge box, and then falls into the grinding elevator through the discharge box; It is lifted into the sorting machine by the grinding elevator. The limiting shaft adopts a square shaft and can rotate synchronously with the limiting cylinder. The surface of the limiting cylinder is a cylinder. When it rotates, it does not drive the vibration cylinder to move. The vibration cylinder is driven by the vibrator (vertical linear vibrator) to vibrate up and down; The gearbox is driven by the corresponding motor, the output shaft of the gearbox drives the active bevel gear to rotate, the active bevel gear drives the driven bevel gear to rotate, the driven bevel gear drives the limit cylinder to rotate, the limit cylinder synchronously drives the limit shaft to rotate, and the limit shaft drives the breaking disc to rotate; The powder to be dispersed enters from the powder inlet and falls onto the dispersion disc. Under the action of the rotating centrifugal force and the inclined surface of the dispersion disc, the powder moves outward along the inclined surface of the dispersion disc and hits the dispersion thorns during the movement, and the powder is dispersed by the dispersion thorns. While impacting and breaking up, when the lever at the bottom of the limiting shaft hits the bottom of the vertical arm of the fixed rod during rotation, the lever drives the breaking up shaft downward under the limiting action of the bottom of the vertical arm of the fixed rod, and the breaking up shaft drives the breaking up disk downward synchronously (the return spring is compressed by force). When the lever leaves the bottom of the vertical arm of the fixed rod, the return spring loses its force and expands, driving the breaking up disk upward, so that the powder is scattered on the surface of the breaking up disk, greatly increasing the breaking up effect of the powder. The powder after being broken up falls onto the vibrating screen plate, which vibrates under the drive of the vibrator, and screens the powder from coarse to fine (from top to bottom). After screening, the powder falls out from the corresponding powder outlet, and the coarser powder falls onto the sorting elevator from the coarse material outlet; It is lifted again by the sorting elevator and enters the grinding feed hopper for cyclic crushing. When the powder falls into the discharge box and is lifted by the grinding elevator, the lighter floating material (fine powder) is absorbed by the cyclone dust collector and the powder suction pipe, and is processed and collected by the cyclone dust collector. This solution can integrate crushing, grinding and screening into one, and effectively prevent the powder from agglomerating. It has a reasonable structure and good use effect.

[0017] The embodiments described above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, all changes made according to the shape and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for recycling and pulverizing bamboo dietary fiber for feed, characterized in that: The method comprises the following steps: Step 1: Place bamboo chips or leftovers on the feed conveyor belt and drive them into the crusher through the feed conveyor belt; The second step: the crushed materials are initially crushed by the pulverizer and then enter the coarse crushing elevator; The third step: the coarse crushing elevator shears and crushes the crushed materials into fine materials; Step 4: The fine material falls into the grinder for grinding to form powder, and the powder falls into the discharge box, and then falls into the grinding elevator through the discharge box; Step 5: The grinding elevator lifts the powder in the discharge box to the sorting machine, and the sorting machine performs multi-level sorting; Step 6: Qualified fine powder falls out from the powder outlet of the sorting machine and is collected uniformly, and the coarse powder falls from the coarse outlet to the sorting elevator, and is sent to the grinding feed hopper again through the sorting elevator for cyclic crushing.

2. The method for recycling and pulverizing bamboo dietary fiber for feed according to claim 1, characterized in that: The discharge box of the fourth step and the lighter powder in the grinding elevator are collected by a cyclone dust collector.

3. The method for recycling and pulverizing bamboo dietary fiber for feed according to claim 1, characterized in that: In the fifth step, when the classifier is sorting, the powder enters from the powder inlet and falls onto the scattering plate. After being scattered by the scattering plate, it falls onto the vibrating screen plate. The vibrating screen plate vibrates under the drive of the vibrator, and the scattered powder is screened from coarse to fine. After screening, the powder falls out from the corresponding powder outlet.

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