CN209934914U - Rice hull crushing and processing system - Google Patents
Rice hull crushing and processing system Download PDFInfo
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- CN209934914U CN209934914U CN201920342185.2U CN201920342185U CN209934914U CN 209934914 U CN209934914 U CN 209934914U CN 201920342185 U CN201920342185 U CN 201920342185U CN 209934914 U CN209934914 U CN 209934914U
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Abstract
The utility model provides a rice husk crushing system belongs to rice by-product processing technology field. The system includes reducing mechanism, dust collector, negative pressure generating device, finished product hoisting device and finished product storage tank, and dust collector connects reducing mechanism, and negative pressure generating device connects dust collector, and dust collector is connected to the feed end of finished product lifting machine, and the discharge end of finished product lifting machine is connected to the finished product storage tank, and dust collector includes a husky dragon dust remover, and negative pressure generating device connects in the inner shell of husky dragon dust remover to inhale the kibbling rice husk powder in the rice husk powder storage cavity husky dragon dust remover. The system utilizes the special structure of the husky dragon dust remover, and the crushed rice hulls are pumped into the husky dragon dust remover through the negative pressure generating device, so that the problems of equipment damage, maintenance cost increase and production continuity deterioration caused by abrasion of blades in the pumping process of the rice hull powder are fundamentally solved. Meanwhile, the method is beneficial to removing dust and the like from the rice hull powder and improving the product quality.
Description
Technical Field
The utility model belongs to the technical field of the processing of rice accessory substance, concretely relates to rice husk garrulous system of processing.
Background
Rice production and processing enterprises can produce a large amount of rice hulls in the process of producing rice. The rice hull is used as a byproduct in the rice processing process and has rich nutrition. One common way of using rice hulls is to use them as animal feed. However, the complete rice hulls are not suitable for being used as an additive feed, and generally the rice hulls need to be crushed and screened in a grading mode to obtain a high additional value.
However, in the prior art, the crushed rice hull powder is generally pumped to the screening device by using a fan, and the coarse rice hull powder is rubbed with blades of the fan, so that the blades of the fan are seriously abraded, equipment is damaged, the production cost is increased, and the continuous production and safety production of enterprises are not facilitated. Meanwhile, the crushed rice hull powder contains rice hull powder fine particles, dust and other substances which are not suitable for being used as feed products, and the substances need to be removed from the rice hull powder products.
Disclosure of Invention
In view of this, the utility model provides a can reduce equipment wearing and tearing, reduce tiny granule and dust content's rice husk crushing processing system in the rice husk powder product.
The utility model provides a technical scheme that its technical problem adopted is:
a rice husk crushing processing system comprises a crushing device, a dust removal device, a negative pressure generation device, a finished product lifting device and a finished product storage tank, wherein the dust removal device is connected with the crushing device, the negative pressure generation device is connected with the dust removal device, the feeding end of the finished product lifting device is connected with the dust removal device, and the finished product storage tank is connected with the discharging end of the finished product lifting device; the crushing device comprises a crusher, a feeding pipe and a rice hull powder storage cavity, wherein one end of the feeding pipe is connected with the feeding end of the crusher, the rice hull powder storage cavity is connected with the discharging end of the crusher, and a storage cavity discharging port is formed in the bottom of the rice hull powder storage cavity; the dust removal device comprises a cyclone dust remover, a rice hull powder feeding pipe is arranged at the upper part of the cyclone dust remover, an air lock is arranged at the lower end of the cyclone dust remover, the rice hull powder feeding pipe is communicated with a discharge hole of the storage cavity, and the air lock is connected to a feeding end of the finished product hoisting machine; the negative pressure generating device is connected to the inner shell of the cyclone dust collector so as to suck the crushed rice hull powder in the rice hull powder storage cavity into the cyclone dust collector.
Preferably, the rice husk crushing processing system still includes rice husk powder grading plant, rice husk powder grading plant includes grading elevator, classifying screen and the hierarchical storage tank of rice husk powder, grading elevator's feed end intercommunication the discharge gate of finished product storage tank, the feed end of classifying screen is connected grading elevator's discharge end, the feed inlet intercommunication of the hierarchical storage tank of rice husk powder the classifying screen.
Preferably, the classifying screen is arranged on the upper part of the rice husk powder classifying storage tank, and a discharge hole of the classifying screen is higher than a feed inlet of the rice husk powder classifying storage tank.
Preferably, the classifying screen comprises a first-stage screen, a second-stage screen and a third-stage screen, wherein the first-stage screen, the second-stage screen and the third-stage screen are sequentially arranged to form four screening spaces; the rice husk powder grading storage tank comprises a first storage tank, a second storage tank, a third storage tank and a fourth storage tank, wherein the first storage tank, the second storage tank, the third storage tank and the fourth storage tank are respectively used for receiving oversize products of the first-stage screen, oversize products of the second-stage screen, oversize products of the third-stage screen and undersize products of the third-stage screen.
Preferably, the rice hull crushing and processing system further comprises a raw material storage device, wherein a discharge port of the raw material storage device is connected with one end, far away from the crusher, of the feeding pipe and is used for storing rice hull raw materials; the raw material storage device is provided with at least one temperature detector and at least one humidity detector which are respectively used for detecting the temperature and the humidity in the raw material storage device.
Preferably, the raw material storage device comprises a raw material storage tank and a plurality of stirrers, wherein the stirrers are arranged at the bottom of the raw material storage tank and used for stirring the rice hull raw materials stored in the raw material storage tank.
Preferably, the finished product storage tank comprises a tank body and a feeding buffer assembly, wherein one end of the feeding buffer assembly is connected with the feeding hole of the tank body, and the other end of the feeding buffer assembly extends into the bottom of the tank body; the blocking buffer assembly comprises a vertical plate, a plurality of left baffle plates and a plurality of right baffle plates, the vertical plate surrounds to form a hollow column cavity with two open ends, one end of the hollow column cavity is fixed at the feed inlet of the tank body, and the other end of the hollow column cavity extends into the bottom of the tank body; one end of each left baffle is connected to the inner wall of the left side of the vertical plate, and one end of each right baffle is connected to the inner wall of the right side of the vertical plate; the left baffle and the right baffle are obliquely arranged, a space is formed between every two adjacent left baffles, a space is formed between every two adjacent right baffles, and one end, far away from the right inner wall of the vertical plate, of each right baffle extends into the space formed by the two adjacent left baffles; one end of the left baffle, which is far away from the inner wall of the left side of the vertical plate, extends into a space formed by two adjacent right baffles.
Preferably, the bottom of the tank body is in an inverted cone shape, and the conical top end is provided with a rice husk powder discharge hole; the finished product storage tank further comprises a discharging auxiliary device, and the discharging auxiliary device is installed on the outer side wall of the bottom of the tank body.
Preferably, the left baffle and the right baffle are arc-shaped plates, one end of the right baffle, which is far away from the right inner wall of the vertical plate, extends into the highest point of the arc surface of the left baffle, and one end of the left baffle, which is far away from the left inner wall of the vertical plate, extends into the highest point of the arc surface of the right baffle.
Preferably, the dust collector further comprises a gas purification mechanism, one end of the gas purification mechanism is connected with the inner shell of the saxolone dust collector, and the other end of the gas purification mechanism is connected with the negative pressure generation device.
According to the above technical scheme, the utility model provides a rice husk garrulous system of processing, its beneficial effect is: utilize the special construction of husky dragon dust remover, through negative pressure generating device provides suction, will smash the rice husk by rice husk powder storage chamber suction extremely in the husky dragon dust remover, avoid using fan pump sending rice husk powder, and then solved the rice husk powder pumping process from essence, blade wearing and tearing lead to equipment damage, cost of maintenance increase, the problem that production continuity worsens. Rice hull powder falls into the inlet of the finished product hoister through the action of the cyclone dust collector and is sent into the finished product storage tank for storage; and micro particles and dust in part of the rice hull powder are removed from the rice hull powder under the negative pressure generated by the negative pressure generating device, so that the quality of the rice hull powder product is improved.
Drawings
FIG. 1 is a schematic structural view of a rice hull crushing processing system.
Fig. 2 is a schematic structural diagram of the dust removing device.
FIG. 3 is a schematic view of the material storage device.
Fig. 4 is a schematic diagram of the finished tank construction.
In the figure: the rice hull crushing and processing system 10, the crushing device 100, the crusher 110, the feeding pipe 120, the rice hull powder storage chamber 130, the dust removal device 200, the shakelong dust remover 210, the gas purification mechanism 220, the rice hull powder feeding pipe 211, the air lock 212, the negative pressure generation device 300, the finished product lifting device 400, the finished product storage tank 500, the tank body 510, the feeding buffer component 520, the vertical plate 521, the left baffle 522, the right baffle 523, the discharging auxiliary device 530, the rice hull powder classification device 600, the classification lifting machine 610, the classification screen 620, the first-stage screen 621, the second-stage screen 622, the third-stage screen 623, the rice hull powder classification storage tank 630, the first storage tank 631, the second storage tank 632, the third storage tank 633, the fourth storage tank 634, the raw material storage device 700, the temperature detector 701, the humidity detector 702, the raw material storage tank 710 and the.
Detailed Description
The following combines the utility model discloses an attached drawing does further elaboration to the technical scheme and the technological effect of utility model embodiment.
Referring to fig. 1, in one embodiment, a rice hull comminution process system 10 is provided for comminution of rice hulls to produce a high value-added rice byproduct. The rice hull crushing processing system 10 comprises a crushing device 100, a dust removal device 200, a negative pressure generation device 300, a finished product lifting device 400 and a finished product storage tank 500, wherein the dust removal device 200 is connected with the crushing device 100, the negative pressure generation device 300 is connected with the dust removal device 200, the feeding end of the finished product lifting device 400 is connected with the dust removal device 200, and the finished product storage tank 500 is connected with the discharging end of the finished product lifting device 400. After being crushed by the crushing device 100, the rice hull powder enters the dust removing device 200 under the action of the negative pressure generating device 300, and after the content of fine particles and dust is reduced, the rice hull powder is conveyed to the finished product storage tank 500 by the finished product lifter 400 for storage.
Referring to fig. 2, specifically, the crushing device 100 includes a crusher 110, a feeding pipe 120 and a rice husk powder storage chamber 130, one end of the feeding pipe 120 is connected to a feeding end of the crusher 110, the rice husk powder storage chamber 130 is connected to a discharging end of the crusher 110, and a storage chamber discharging port is formed at the bottom of the rice husk powder storage chamber 130. The rice hulls enter the pulverizer 110 from the feeding pipe 120 to be pulverized and then fall into the rice hull powder storage chamber 130.
Specifically, dust collector 200 includes a husky dragon dust remover 210, husky dragon dust remover 210 upper portion is provided with rice husk powder inlet pipe 211, and the lower extreme is provided with closes wind ware 212, rice husk powder inlet pipe 211 intercommunication the storage chamber discharge gate, close wind ware 212 connect in finished product lifting machine 400's feed end. The negative pressure generating device 300 is connected to the inner shell of the saxolone dust collector 210 to suck the pulverized rice husk powder in the rice husk powder storage chamber 130 into the saxolone dust collector 210.
Negative pressure generating device 300 is negative pressure fan or vacuum pump, negative pressure generating device 300's inlet tube sealing connection the inner shell of husky dragon dust remover 210 to provide the negative pressure, make the kibbling rice husk powder in the rice husk powder storage chamber 130 is sucked extremely in the husky dragon dust remover 210, the rice husk powder is in it is rotatory downwards to state husky dragon dust remover 210, and wherein the great rice husk powder of granule passes through it falls into to close wind ware 212 on the feed end of finished product lifting machine 400, partial tiny granule and dust rise along with the air current, discharge system to reduce the content of tiny granule and dust in the rice husk powder product, promote the rice husk powder product quality. Meanwhile, the rice hull crushing processing system 10 adopts the negative pressure generating device 300 as a lifting power device for crushed rice hull powder, so that the rice hull powder is prevented from being in direct contact with the lifting power device, and the problems of equipment damage, maintenance cost increase and production continuity deterioration caused by abrasion of blades in the pumping process of the rice hull powder are fundamentally solved.
With continued reference to fig. 1, in a preferred embodiment, the rice hull crushing and processing system 10 further includes a rice hull powder grading device 600, the rice hull powder grading device 600 includes a grading elevator 610, a grading sieve 620 and a rice hull powder grading storage tank 630, a feeding end of the grading elevator 610 is communicated with a discharge port of the finished product storage tank 500, a feeding end of the grading sieve 620 is connected with a discharge end of the grading elevator 610, and a feeding port of the rice hull powder grading storage tank 630 is communicated with the grading sieve 620. The rice hull powder after the preliminary grinding is conveyed to the grading sieve 620 by the grading elevator 610, the grading sieve 620 realizes grading the rice hull powder according to the use requirement and according to the particle size, the rice hull powder after grading is respectively stored in the grading storage tank 630 so as to further process the rice hull powder, meet the feeding requirements of animals of different types and different growth stages and further improve the added value of rice byproducts.
Further, in order to reduce equipment investment, save energy and reduce consumption, the classifying screen 620 is arranged at the upper part of the rice husk powder classifying storage tank 630, and a discharge hole of the classifying screen 620 is higher than a feed inlet of the rice husk powder classifying storage tank 630. The rice husk powder after the grading sieve 620 finishes screening falls into the rice husk powder grading storage tank 630 by means of self gravity, secondary lifting is avoided, and equipment investment is reduced.
In a specific embodiment, the classifying screen 620 includes a first screen 621, a second screen 622 and a third screen 623, and the first screen 621, the second screen 622 and the third screen 623 are sequentially disposed to form four screening spaces; the rice husk powder classifying storage tank 630 includes a first storage tank 631, a second storage tank 632, a third storage tank 633 and a fourth storage tank 634, wherein the first storage tank 631, the second storage tank 632, the third storage tank 633 and the fourth storage tank 634 are respectively used for receiving oversize products of the first-stage screen 621, oversize products of the second-stage screen 622, oversize products of the third-stage screen 623 and undersize products of the third-stage screen 623. The rice hull powder is sequentially screened by the first-stage screen 621, the second-stage screen 622 and the third-stage screen 623 to form four rice hull powder products with different particle sizes, so that the requirements of different feeding enterprises on the rice hull powder at different stages are met.
In another embodiment, the outlet of the first storage tank 631 is connected to the inlet of the pulverizer 110, so that the rice hull powder with larger particle size stored in the first storage tank 631 can be processed by pulverizing again, thereby further improving the added value of the rice byproduct.
In another embodiment, the discharge port of the fourth storage tank 634 is connected to the rice husk powder feeding pipe 211 of the saxolone dust collector 210, so that the rice husk powder with smaller particle size stored in the fourth storage tank 631 enters the dust collector again, thereby further removing the tiny particles and dust in the rice husk powder stored in the fourth storage tank 631, and improving the quality of the rice husk powder product.
Referring to fig. 1 and 3, in another preferred embodiment, in order to monitor the quality of the rice hull material in real time and prevent the rice hull material from mildewing during storage, the rice hull crushing processing system 10 further includes a material storage device 700, wherein a discharge port of the material storage device 700 is connected to one end of the feeding pipe 120 away from the crusher 110 and is used for storing the rice hull material; the raw material storage device 700 is provided with at least one temperature detector 701 and at least one humidity detector 702, which are respectively used for detecting the temperature and humidity in the raw material storage device 700.
Further, the raw material storage device 700 includes a raw material storage tank 710 and a plurality of stirrers 720, and the stirrers 720 are disposed at the bottom of the raw material storage tank 710 and are used for stirring the rice hull raw material stored in the raw material storage tank 710. Temperature and humidity in the raw material storage tank 710 are monitored in real time, a dry storage environment is kept, the temperature of the center of the rice hull raw material is found to rise, the stirrer 720 is started, the rice hulls in the raw material storage tank 710 are turned over, and long-time storage is prevented, so that the rice hulls are prevented from mildewing and affecting the product quality.
Referring to fig. 1 and 4, in another preferred embodiment, the finished storage tank 500 includes a tank 510 and a feeding buffer assembly 520, wherein one end of the feeding buffer assembly 520 is connected to the feeding port of the tank 510, and the other end of the feeding buffer assembly extends into the bottom of the tank 510; the blocking buffer component 520 comprises a vertical plate 521, a plurality of left baffle plates 522 and a plurality of right baffle plates 523, the vertical plate 521 surrounds to form a hollow cylindrical cavity with two open ends, one end of the hollow cylindrical cavity is fixed at the feed inlet of the tank body 510, and the other end of the hollow cylindrical cavity extends into the bottom of the tank body 510; one end of each of the left baffles 522 is connected to the inner wall of the left side of the vertical plate 521, and one end of each of the right baffles 523 is connected to the inner wall of the right side of the vertical plate 521; the left baffle 522 and the right baffle 523 are both obliquely arranged, a gap is formed between every two adjacent left baffles 522, a gap is formed between every two adjacent right baffles 523, and one end, far away from the right inner wall of the vertical plate 521, of each right baffle 523 extends into the gap formed by every two adjacent left baffles 522; one end of the left baffle 522, which is far away from the left inner wall of the vertical plate 521, extends into the space formed by the two adjacent right baffles 523.
The rice husk powder passes through in proper order at the feeding process from top to bottom left baffle 522 reaches right baffle 523 guide reduces feed speed, reduces the rice husk powder with the direct impact at the tank bottoms of jar body 510, and then reduces rice husk dust concentration and electrostatic charge in jar body 510, realizes the safe rice husk powder of storing. Secondly, the rice husk powder is in from top to bottom feeding process, through left baffle 522 reaches right baffle 523 guide, constantly change the direction of feeding for tiny granule and dust are followed the rice husk powder and are separated out, and discharge with the form of dust the jar body 510 has further improved the quality of rice husk powder.
In order to smoothly discharge the finished product storage tank 500, in a specific embodiment, the bottom of the tank body 510 is an inverted cone, and the conical top end is provided with a rice hull powder discharge hole; the finished product storage tank 500 further comprises a discharge auxiliary device 530, wherein the discharge auxiliary device 530 is installed on the outer side wall of the bottom of the tank body 510. The discharge auxiliary equipment 530 may be at least one of a bin wall vibrator, a bin bottom stirrer or a metal hose.
In a best embodiment, the left baffle 522 and the right baffle 523 are arc-shaped plates, one end of the right baffle 523, which is far away from the right inner wall of the vertical plate 521, extends to the highest point of the arc surface of the left baffle 522, and one end of the left baffle 522, which is far away from the left inner wall of the vertical plate 521, extends to the highest point of the arc surface of the right baffle 523. In the feeding process of rice husk powder from top to bottom left baffle 522 with under the impact blocking effect and the centrifugal force effect of right baffle 523, fine particle and dust further separate, and the exclusion finished product storage tank 500, and then the content of fine particle and dust in the reduction rice husk powder finished product has further improved the quality of rice husk powder product.
In another preferred embodiment, the dust removing device 200 further comprises a gas purifying mechanism 220, one end of the gas purifying mechanism 220 is connected to the inner shell of the saxolone dust remover 210, and the other end is connected to the negative pressure generating device 300. Body purification mechanism 220 can be at least one kind in filtering type dust removal mechanism, electrostatic precipitator mechanism or the wet dedusting mechanism to the messenger by fine particle and dust that the dispersion of shakelong dust remover 210 was come out subsides, avoids its loss, causes environmental pollution, harms personnel's health, leads to the safety in production accident even.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A rice husk crushing processing system is characterized by comprising a crushing device, a dust removal device, a negative pressure generation device, a finished product lifting device and a finished product storage tank, wherein the dust removal device is connected with the crushing device, the negative pressure generation device is connected with the dust removal device, the feeding end of the finished product lifting device is connected with the dust removal device, and the finished product storage tank is connected with the discharging end of the finished product lifting device;
the crushing device comprises a crusher, a feeding pipe and a rice hull powder storage cavity, wherein one end of the feeding pipe is connected with the feeding end of the crusher, the rice hull powder storage cavity is connected with the discharging end of the crusher, and a storage cavity discharging port is formed in the bottom of the rice hull powder storage cavity;
the dust removal device comprises a cyclone dust remover, a rice hull powder feeding pipe is arranged at the upper part of the cyclone dust remover, an air lock is arranged at the lower end of the cyclone dust remover, the rice hull powder feeding pipe is communicated with a discharge hole of the storage cavity, and the air lock is connected to a feeding end of the finished product lifting device;
the negative pressure generating device is connected to the inner shell of the cyclone dust collector so as to suck the crushed rice hull powder in the rice hull powder storage cavity into the cyclone dust collector.
2. A rice hull crushing processing system according to claim 1 further comprising a rice hull powder grading device, wherein the rice hull powder grading device comprises a grading elevator, a grading sieve and a rice hull powder grading storage tank, a feed end of the grading elevator is communicated with a discharge port of the finished product storage tank, a feed end of the grading sieve is connected with a discharge end of the grading elevator, and a feed port of the rice hull powder grading storage tank is communicated with the grading sieve.
3. A rice hull crushing processing system according to claim 2 wherein said classifying screen is disposed at an upper portion of said rice hull powder classifying storage tank, and a discharge port of said classifying screen is higher than a feed port of said rice hull powder classifying storage tank.
4. A rice hull crushing processing system according to claim 2 or 3 wherein said classifying screen comprises a first stage screen, a second stage screen and a third stage screen, said first stage screen, said second stage screen and said third stage screen being arranged in sequence to form four screening spaces; the rice husk powder grading storage tank comprises a first storage tank, a second storage tank, a third storage tank and a fourth storage tank, wherein the first storage tank, the second storage tank, the third storage tank and the fourth storage tank are respectively used for receiving oversize products of the first-stage screen, oversize products of the second-stage screen, oversize products of the third-stage screen and undersize products of the third-stage screen.
5. A rice hull comminution process system as claimed in claim 1 further including a feedstock storage means having a discharge outlet connected to an end of said feed pipe remote from said comminutor for storing rice hull feedstock; the raw material storage device is provided with at least one temperature detector and at least one humidity detector which are respectively used for detecting the temperature and the humidity in the raw material storage device.
6. A rice hull comminution process system as claimed in claim 5 in which said source material storage means includes a source material storage tank and a plurality of agitators disposed at the bottom of said source material storage tank for agitating the rice hull material stored in said source material storage tank.
7. A rice hull crushing processing system according to claim 1 wherein said finished product storage tank includes a tank body and a feed buffer assembly, one end of said feed buffer assembly being connected to the feed inlet of said tank body and the other end extending into the bottom of said tank body;
the feeding buffer assembly comprises a vertical plate, a plurality of left baffle plates and a plurality of right baffle plates, the vertical plate surrounds to form a hollow column cavity with two open ends, one end of the vertical plate is fixed at the feeding hole of the tank body, and the other end of the vertical plate extends into the bottom of the tank body; one end of each left baffle is connected to the inner wall of the left side of the vertical plate, and one end of each right baffle is connected to the inner wall of the right side of the vertical plate; the left baffle and the right baffle are obliquely arranged, a space is formed between every two adjacent left baffles, a space is formed between every two adjacent right baffles, and one end, far away from the right inner wall of the vertical plate, of each right baffle extends into the space formed by the two adjacent left baffles; one end of the left baffle, which is far away from the inner wall of the left side of the vertical plate, extends into a space formed by two adjacent right baffles.
8. The rice hull crushing processing system according to claim 7 wherein the bottom of the tank body is in an inverted cone shape, and the conical top end is provided with a rice hull powder outlet; the finished product storage tank further comprises a discharging auxiliary device, and the discharging auxiliary device is installed on the outer side wall of the bottom of the tank body.
9. A rice hull crushing and processing system as claimed in claim 7 or 8 wherein said left baffle and said right baffle are arc shaped plates, one end of said right baffle, far from the right inner wall of said vertical plate, extends to the highest point of the arc surface of said left baffle, and one end of said left baffle, far from the left inner wall of said vertical plate, extends to the highest point of the arc surface of said right baffle.
10. A rice hull crushing and processing system according to any one of claims 1 to 3 or 5 to 8 wherein said dust removing means further comprises a gas purifying means, one end of said gas purifying means being connected to an inner casing of said shakelong dust remover and the other end being connected to said negative pressure generating means.
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| CN201920342185.2U CN209934914U (en) | 2019-03-18 | 2019-03-18 | Rice hull crushing and processing system |
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| CN201920342185.2U CN209934914U (en) | 2019-03-18 | 2019-03-18 | Rice hull crushing and processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894245A (en) * | 2019-03-18 | 2019-06-18 | 宁夏黄河谣农产品综合开发有限公司 | Rice husk grinding machining system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894245A (en) * | 2019-03-18 | 2019-06-18 | 宁夏黄河谣农产品综合开发有限公司 | Rice husk grinding machining system |
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