CN112844530A - Bran powder recycling device and method of rice polishing machine - Google Patents
Bran powder recycling device and method of rice polishing machine Download PDFInfo
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- CN112844530A CN112844530A CN202011506052.8A CN202011506052A CN112844530A CN 112844530 A CN112844530 A CN 112844530A CN 202011506052 A CN202011506052 A CN 202011506052A CN 112844530 A CN112844530 A CN 112844530A
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 100
- 235000009566 rice Nutrition 0.000 title claims abstract description 100
- 238000005498 polishing Methods 0.000 title claims abstract description 53
- 238000004064 recycling Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 17
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 99
- 238000011084 recovery Methods 0.000 claims abstract description 65
- 238000005507 spraying Methods 0.000 claims abstract description 19
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- 238000012216 screening Methods 0.000 claims abstract description 4
- 230000009471 action Effects 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 6
- 230000008929 regeneration Effects 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 6
- 238000009825 accumulation Methods 0.000 abstract description 2
- 235000013339 cereals Nutrition 0.000 description 11
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- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 235000019698 starch Nutrition 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B7/00—Auxiliary devices
- B02B7/02—Feeding or discharging devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
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- Adjustment And Processing Of Grains (AREA)
Abstract
The invention discloses a bran powder recycling device and method of a rice polishing machine, which comprises the following steps: the rice polishing machine removes bran powder from the surface of the rice, and the rice and the bran powder are discharged through a primary outlet of a discharge pipeline of the rice polishing machine; the air spraying assembly is used for separating the rice and the bran powder at the position of the primary outlet, and the bran powder is blown to the rotary recovery unit by the air spraying assembly; the paraboloidal collecting plate of the rotary recovery unit rotates in a circulating reciprocating manner, and the bran powder adhered to the inner surface of the paraboloidal collecting plate is shoveled and falls into the collecting box by utilizing the relative motion between the plough shovel plates on the two sides of the bran powder collecting port and the paraboloidal collecting plate of the rotary recovery unit; transferring the bran powder in the collection box to a recovery tank through a transmission pipeline for bran powder recycling, and vertically dropping the rice after bran powder screening to a main outlet of a discharge pipeline; the invention realizes the automatic cleaning work of the bran powder on the inner surface of the paraboloid collecting plate and avoids the accumulation and blockage of the bran powder.
Description
Technical Field
The invention relates to the technical field of rice polishing, in particular to a bran powder recycling device and method of a rice polishing machine.
Background
The surface of rice grains is treated to make the rice grains crystal clear and form a very thin gel film on the surface of the rice grains, and the process is called polishing. The rice polishing machine mainly functions to remove bran powder adhered to the surface of the white rice. The rice surface has a waxy protective layer after being polished, so that the rice can be prevented from adhering to rice bran or falling off from rice flour in production, storage, transportation and sale links, cleanness and sanitation of the rice are guaranteed, the quality and commodity value of finished rice can be improved, the storage of the rice is facilitated, the freshness of the rice is kept, and the edible quality of the rice is improved.
The working process of the rice polishing machine is as follows: the white rice which is milled by the rice mill to reach the standard one-meter precision flows down from the feed inlet to enter the polishing chamber, meanwhile, the heated water (used when the room temperature is lower than 15 ℃) flows to the air-water mixing nozzle through the flow meter by the temperature control type water tank, and then forms water mist through high-pressure air to enter the hollow main shaft water absorption area, under the action of strong negative pressure air suction, the water mist passes through the main shaft and the polishing roller vent hole to enter the surface of the polishing roller to be mixed with rice and attached to the surface of rice grains, so that the surface of the rice grains is moist and softened. Through the rotary motion of the polishing rollers in the polishing chamber, rice grains move continuously in the polishing chamber, and in the moving process, relative motion, relative friction and extrusion are generated among the rice grains, between the rice grains and the polishing rollers and between the rice grains and the rice sieve. This rubbing will remove the bran flour and acne from the surface of the rice on the one hand, due to the moist and soft surface of the rice. On the other hand, a starch layer on the surface of the rice is gelatinized and crystallized in the friction extrusion process to form a bright protective film, so that the surface smoothness is improved, and the storage time of the rice in the later period is prolonged.
The fine rice bran that produces among the polishing process and the fine fillings are screened out from the rice of polishing mostly through the mode of blowing, and utilize the curtain to collect the bran powder and concentrate secondary recycle from pipe-line conveying, but need manual handling to the bran powder of adhesion on the curtain, the bran powder is piled up the back for a long time and is formed hard piece and can't be from the scattering of going, blocks up the pipeline easily.
Disclosure of Invention
The invention aims to provide a bran powder recycling device and method of a rice polishing machine, and aims to solve the technical problems that in the prior art, bran powder adhered to a curtain needs manual treatment, forms hard blocks after being accumulated for a long time, cannot be automatically scattered, and is easy to block a pipeline.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a bran powder recycling device of a rice polishing machine comprises a rotary recovery unit arranged on a discharge pipeline of the rice polishing machine and an air spraying assembly arranged on the opposite surface of the rotary recovery unit, wherein the air spraying assembly is used for blowing bran powder in polished rice into the rotary recovery unit by using a set stable air speed, and the rice without the bran powder continuously falls to a main outlet of the discharge pipeline along the discharge pipeline;
the rotary recovery unit comprises a parabolic collecting plate movably mounted on the discharge pipeline and a concentration pool arranged at the lower end of the parabolic collecting plate, the parabolic collecting plate movably rotates along the discharge pipeline under the action of a power assembly, the air injection assembly blows bran powder in polished rice to the inner surface of the parabolic collecting plate which movably rotates so that the bran powder is uniformly accumulated on the inner surface of the parabolic collecting plate, and the parabolic collecting plate utilizes the relative rotation of the parabolic collecting plate and the discharge pipeline when rotating around the discharge pipeline so as to clean the bran powder on the inner surface of the parabolic collecting plate.
As a preferable scheme of the invention, the rotation recovery unit further comprises a waist drum arc surface section arranged at a position of the discharge pipeline corresponding to the parabolic collection plate, double-ring rails are arranged at the upper end and the lower end of the waist drum arc surface section, the center of the parabolic collection plate is the same as the center of the waist drum arc surface section, a bran powder recovery branch port is arranged on the surface of the waist drum arc surface section facing the parabolic collection plate, the parabolic collection plate rotates along the double-ring rails and the outer surface of the waist drum arc surface section under the action of a power assembly, and bran powder adhered to the inner surface of the parabolic collection plate is scraped through the bran powder recovery branch port when the parabolic collection plate rotates around the waist drum arc surface section.
As a preferable scheme of the invention, the double-ring track comprises a first ring track fixedly mounted on the outer surface of the discharge pipeline at the upper end of the waist drum arc surface section and a second ring track fixedly mounted on the outer surface of the discharge pipeline at the lower end of the waist drum arc surface section, a plurality of uniformly distributed support rods are arranged between the first ring track and the second ring track at positions close to the air spraying assembly, the outer surfaces of the upper end and the lower end of the parabolic collecting plate respectively slide along the first ring track and the second ring track through a plurality of uniformly distributed arc-shaped strips, and the track circle centers of the first ring track and the second ring track are the same as the circle center positions of the arc-shaped strips.
As a preferable scheme of the invention, the lower end of the parabolic collecting plate is provided with a linear slideway with the same length as the cambered surface of the parabolic collecting plate, an arc-shaped collecting box which can move freely and is always kept inside the bran powder recovering branch port is installed in the linear slideway, the upper surface of the arc-shaped collecting box is provided with an opening, two sides of the center position of the lower surface of the arc-shaped collecting box are provided with slope plates which incline upwards, the center position of the lower surface of the arc-shaped collecting box is provided with a ripple conveying pipe connected with the concentration tank, two vertical edges of the bran powder recovering branch port are provided with plough shovels above the arc-shaped collecting box for shoveling bran powder on the inner surface of the parabolic collecting plate, the length of the arc-shaped collecting box is greater than the distance between the two plough shovels, when the power assembly drives the parabolic collecting plate to rotate, the plough shovel plate continuously cleans the bran powder on the inner surface of the paraboloid collecting plate into the arc collecting box, and the bran powder in the arc collecting box is transferred into the collecting tank through the ripple transmission pipe for bran powder recycling.
As a preferable scheme of the invention, the length of the outer surface of the parabolic collecting plate is equal to twice the length of the bran powder recovery branch port, the outer surface of the plough shovel plate is tightly attached to the inner surface of the parabolic collecting plate, two vertical edges of the bran powder recovery branch port are provided with arc surfaces connected with the plough shovel plate, and the plough shovel plate shovels bran powder on the parabolic collecting plate and automatically falls into the arc collecting box when the parabolic collecting plate rotates in a circulating reciprocating manner.
As a preferable scheme of the present invention, a plurality of racks are uniformly distributed in a vertical direction on an outer surface of the parabolic collecting plate, the power assembly includes a motor base and a servo motor mounted on the motor base, a driving gear is mounted on an output shaft of the servo motor, all the racks and the parabolic collecting plate form a driven gear integrally, and the driving gear drives the parabolic collecting plate to movably rotate along the first annular track and the second annular track through engagement with the racks.
As a preferable scheme of the present invention, the maximum angular span of the reciprocating rotation of the parabolic collection plate driven by the servo motor is twice the angle of the sector where the bran powder recovery branch port is located, the single rotation angle of the parabolic collection plate is half of the angle of the sector where the bran powder recovery branch port is located, and the track lengths of the first annular track and the second annular track are twice the angle of the sector where the bran powder recovery branch port is located.
In order to solve the above technical problems, the present invention further provides the following technical solutions: a recycling method of a bran powder recycling device of a rice polishing machine comprises the following steps:
step 100, starting a rice polishing machine, an air spraying assembly and a bran powder rotation recovery unit, wherein the rice polishing machine is used for removing bran powder on the surface of rice, and the rice and the bran powder are discharged through a primary outlet of a discharge pipeline of the rice polishing machine;
step 200, separating rice and bran powder at the position of the primary outlet by the air spraying assembly, enabling the rice to continuously fall, and blowing the bran powder to the rotary recovery unit by the air spraying assembly;
300, circularly reciprocating rotation is carried out on the paraboloidal collecting plate of the rotary recovery unit, and the bran powder adhered to the inner surface of the paraboloidal collecting plate is shoveled and falls into a collecting box by utilizing the relative motion between the plough shovel plates on the two sides of the bran powder collecting port and the paraboloidal collecting plate of the rotary recovery unit;
and 400, transferring the bran powder in the collection box to a recovery tank through a transmission pipeline for bran powder recycling, and vertically dropping the rice after bran powder screening to a main outlet of the discharge pipeline.
As a preferable aspect of the present invention, in step 300, the rotation angles of the parabolic collecting plates in the forward and reverse directions are the same, and the single rotation angle of the parabolic collecting plate is equal to half of the sector angle of the bran powder collecting port, and when the parabolic collecting plate is driven by the power assembly to rotate in a reciprocating manner, the bran powder on the inner surface of the parabolic collecting plate is scooped up by using the relative movement between the vertical edge of the bran powder collecting port and the parabolic collecting plate.
As a preferable aspect of the present invention, when the parabolic collection plate is driven by the power assembly to perform a cyclic reciprocating rotation, the collection box is locked in the bran powder collection port, and the collection box slides along the linear track on the inner surface of the parabolic collection plate to ensure a normal rotation of the parabolic collection plate.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the bran powder is adhered to the parabolic collecting plate, the parabolic collecting plate can rotate under the action of the power assembly, and the bran powder on the inner surface of the parabolic collecting plate is automatically cleaned by utilizing the relative rotation of the parabolic collecting plate and the discharge pipeline when the parabolic collecting plate rotates, so that the later cleaning is convenient, the long-time accumulation of the bran powder on the inner surface of the parabolic collecting plate is avoided, and the timely recovery of the bran powder is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic view of an installation structure of a rotation recovery unit according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a driving structure of a power assembly according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an internal longitudinal cutting surface of a waist drum arc surface section provided by an embodiment of the invention;
fig. 4 is a schematic flow chart of a bran powder recycling method provided by an embodiment of the invention.
The reference numerals in the drawings denote the following, respectively:
1-a discharge pipeline; 2-a rotation recovery unit; 3-a wind spraying component; 4-a main outlet; 5-a linear slide; 6-an arc-shaped collection box; 7-a slope panel; 8-corrugated conveying pipes; 9-a plough blade; 10-arc surface; 11-a rack;
201-parabolic collection plate; 202-a centralized pool; 203-a power assembly; 204-waist drum arc surface section; 205-double ring track; 206-bran powder recovery branch port; 207-arc-shaped strips;
2031 — motor base; 2032-servo motor; 2033-a drive gear;
2051-a first circular track; 2052-second circular track; 2053-support bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1, the invention provides a bran powder recycling device of a rice polishing machine, which comprises a rotary recovery unit 2 arranged on a discharge pipeline 1 of the rice polishing machine, and an air injection assembly 3 arranged on the opposite surface of the rotary recovery unit 2, wherein the air injection assembly 3 blows bran powder in polished rice into the rotary recovery unit 2 by using a set stable air speed, and the rice without the bran powder continuously falls to a main outlet 4 of the discharge pipeline 1 along the discharge pipeline 1.
The rice polishing machine generally comprises a spraying water part, a polishing part, a water supply system and an air spraying mechanism, wherein a feeding device and a discharging device are also important devices of various types of rice polishing machines, polishing is one of key processes of clean rice processing, bran powder on the surfaces of rice grains can be removed through polishing, and proper polishing can gelatinize starch on the surfaces of the rice grains and show certain brightness.
After polishing, when the material is discharged, the air injection assembly 3 and the rotary recovery unit 2 are needed to be utilized to separate the rice and the bran powder, and the bran powder is recycled to prepare feed and other purposes.
The rotary recovery unit 2 comprises a parabolic collecting plate 201 movably mounted on the discharge pipeline 1 and a concentration pool 202 arranged at the lower end of the parabolic collecting plate 201, the parabolic collecting plate 201 movably rotates along the discharge pipeline 1 under the action of a power assembly 203, the air injection assembly 3 blows bran powder in polished rice to the inner surface of the parabolic collecting plate 201 which movably rotates so that the bran powder is uniformly accumulated on the inner surface of the parabolic collecting plate 201, and the parabolic collecting plate 201 utilizes the relative rotation of the parabolic collecting plate 201 and the discharge pipeline 1 to clean the bran powder on the inner surface of the parabolic collecting plate 201 when rotating around the discharge pipeline 1.
Among the prior art, sieve out from the rice of polishing through the mode of blowing most with the bran powder, and utilize the curtain to collect the bran powder and concentrate secondary recycle from pipe-line transportation, but need manual handling to the bran powder of adhesion on the curtain, the bran powder is piled up the back for a long time and is formed hard piece and unable from the scattering of going, blocks up the pipeline easily.
And this embodiment is in order to solve above-mentioned problem, utilize parabolic collecting plate 201 adhesion bran powder, and parabolic collecting plate 201 can rotate under power component 203's effect, parabolic collecting plate 201 utilizes parabolic collecting plate 201 and ejection of compact pipeline 1's relative rotation when rotatory around ejection of compact pipeline 1, realize automatic cleaning work to the bran powder of parabolic collecting plate 201 internal surface, thereby avoid the bran powder to pile up in parabolic collecting plate 201 internal surface for a long time, realize the timely recovery to the bran powder, make things convenient for the clearance in later stage.
The rotary recovery unit 2 further comprises a waist drum arc section 204 arranged at the position, corresponding to the parabolic collection plate 201, of the discharge pipeline 1, double-ring rails 205 are arranged at the upper end and the lower end of the waist drum arc section 204, the center of the sphere of the parabolic collection plate 201 is the same as that of the waist drum arc section 204, a bran powder recovery branch port 206 is arranged on the surface, facing the parabolic collection plate 201, of the waist drum arc section 204, the parabolic collection plate 201 rotates along the outer surfaces of the double-ring rails 205 and the waist drum arc section 204 under the action of a power component, and bran powder adhered to the inner surface of the parabolic collection plate 201 is scraped through the bran powder recovery branch port 206 when the parabolic collection plate 201 rotates around the waist drum arc section 204.
The inner surface of the parabolic collection plate 201 is tightly attached to the outer surface of the waist drum arc-shaped section 204, and the parabolic collection plate 201 rotates around the outer surface of the waist drum arc-shaped section 204 under the action of the power assembly 203, so that the bran powder on the inner surface of the parabolic collection plate 201 can be scraped by the two side edges of the bran powder recovery branch port 206, and the automatic cleaning work of the parabolic collection plate 201 is realized.
As shown in fig. 2, the principle of the power assembly 203 driving the parabolic collection plate 201 to rotate actively is as follows: the outer surface of the parabolic collection plate 201 is provided with a plurality of vertically and uniformly distributed racks 11, all the racks 11 and the parabolic collection plate 201 form a whole body to form a driven gear, the power assembly 203 comprises a motor base 2031 and a servo motor 2032 mounted on the motor base 2031, an output shaft of the servo motor 2032 is provided with a driving gear 2033, and the driving gear 2033 drives the parabolic collection plate 201 to movably rotate along a first annular track 2051 and a second annular track 2052 of the double-ring track 205 through meshing with the racks 11.
The maximum angle of the reciprocating rotation of the parabolic collection plate 201 driven by the servo motor 2032 is equal to the angle of the sector of the bran powder recovery branch port 206.
That is, in the initial state, the surface length of the parabolic collection plate 201 is slightly equal to the opening length twice of the bran powder recovery branch opening 206, and the center line of the parabolic collection plate 201 is opposite to the bran powder recovery branch opening 206, so that the rotation of the parabolic collection plate 201 driven by the driving gear 2033 is: the parabolic collecting plate 201 deviates from the half angle of the fan surface of the bran powder recovery branch port 206; the paraboloidal collection plate 201 is reset to the central line which is opposite to the bran powder recovery branch port 206; the parabolic collecting plate 201 is reversely deviated from the half angle of the fan surface of the bran powder recovery branch port 206.
Therefore, the parabolic collection plate 201 is driven by the servo motor 2032, the maximum angular span of the positive and negative deviations is the sector angle of the bran powder recovery branch port 206, and the comprehensive and automatic bran powder cleaning operation on the parabolic collection plate 201 is realized.
The double-ring track 205 comprises a first ring-shaped track 2051 fixedly arranged on the outer surface of the discharge pipeline 1 at the upper end of the waist drum arc-shaped section 204, and a second ring-shaped track 2052 fixedly arranged on the outer surface of the discharge pipeline 1 at the lower end of the waist drum arc-shaped section 204, a plurality of uniformly distributed support rods 2053 are arranged between the first ring-shaped track 2051 and the second ring-shaped track 2052 at positions close to the air-jet assembly 3, the outer surfaces at the upper end and the lower end of the parabolic collection plate 201 slide along the first ring-shaped track 2051 and the second ring-shaped track 2052 through a plurality of uniformly distributed arc-shaped strips 207 respectively, the track circle centers of the first ring-shaped track 2051 and the second ring-shaped track 2052 are the same as the circle center positions of the arc-shaped strips 207, and the track length angles of the first ring-shaped track 2051 and the second.
As shown in fig. 1 and 3, the parabolic collection plate 201 slides in the first annular track 2051 and the second annular track 2052 through the arc-shaped strip 207, so that the vertical installation stability of the parabolic collection plate 201 can be ensured, the parabolic collection plate 201 slides in the first annular track 2051 and the second annular track 2052 under the driving of the servo motor 2032 and the driving gear 2033, so that the inner surface of the parabolic collection plate 201 is always tightly attached to the outer surface of the waist drum arc-shaped section 204, and the cleanness of the bran powder of the parabolic collection plate 201 in the rotation process is effectively ensured.
The lower extreme of parabolic collecting plate 201 is equipped with the same linear slide 5 with the cambered surface length of parabolic collecting plate 201, and install the arc collection box 6 that freely removes and keep inside branch mouth 206 is retrieved to the bran powder all the time in the linear slide 5, the upper surface of box 6 is collected to the arc has the opening, and the lower surface central point of box 6 is collected to the arc puts both sides and is equipped with slope board 7 that inclines upwards, and the lower surface central point of box 6 is collected to the arc puts and is equipped with the ripple transmission pipe 8 of being connected with concentrated pond 202.
Two vertical edges of branch mouth 206 are equipped with the plough board 9 that is used for shoveling the bran powder of parabolic collection board 201 internal surface above the box 6 is collected to the arc in the bran powder recovery, the length of box 6 is greater than the distance between two plough boards 9 in the arc, when power component 203 drive rotatory parabolic collection board 201, plough board 9 continuously clears up the bran powder on the parabolic collection board 201 internal surface to the box 6 is collected to the arc in, and the bran powder in the box 6 is collected to the arc shifts to concentrated pond 202 through ripple transmission pipe 8 and carries out bran powder regeneration.
Wherein, the length of the outer surface of the paraboloidal collecting plate 201 is equal to twice the length of the bran powder recovering branch port 206, the outer surface of the plough shovel plate 9 is tightly attached to the inner surface of the paraboloidal collecting plate 201, the two vertical edges of the bran powder recovering branch port 206 are provided with arc-shaped surfaces 10 connected with the plough shovel plate 9, and the plough shovel plate 9 shovels the bran powder on the paraboloidal collecting plate 201 and automatically falls into the arc-shaped collecting box 6 when the paraboloidal collecting plate 201 rotates in a circulating reciprocating manner.
In addition, as shown in fig. 4, the invention also provides a recycling method of the bran powder recycling device of the rice polishing machine, which comprises the following steps:
step 100, starting a rice polishing machine, an air spraying assembly and a bran powder rotation recovery unit, wherein the rice polishing machine is used for removing bran powder on the surface of rice, and the rice and the bran powder are discharged through a primary outlet of a discharge pipeline of the rice polishing machine;
step 200, the air spraying assembly performs separation operation on the rice and the bran powder at the position of the primary outlet, the rice and the bran powder are continuously output downwards, and the bran powder is blown to the rotary recovery unit by the air spraying assembly;
300, circularly reciprocating rotation is carried out on the paraboloidal collecting plate of the rotary recovery unit, and the bran powder adhered to the inner surface of the paraboloidal collecting plate is shoveled and falls into a collecting box by utilizing the relative motion between the plough shovel plates on the two sides of the bran powder collecting port and the paraboloidal collecting plate of the rotary recovery unit;
and 400, transferring the bran powder in the collection box to a recovery tank through a transmission pipeline for bran powder recycling, and vertically dropping the rice after bran powder screening to a main outlet of the discharge pipeline.
In step 300, the rotation angles of the parabolic collecting plates in the forward and reverse directions are the same, and the single rotation angle of the parabolic collecting plate is equal to half of the sector angle of the bran powder collecting port, and when the parabolic collecting plate is driven by the power assembly to rotate in a reciprocating manner, the bran powder on the inner surface of the parabolic collecting plate is shoveled by the relative motion between the vertical edge of the bran powder collecting port and the parabolic collecting plate.
When the parabolic collecting plate is driven by the power assembly to rotate in a circulating reciprocating mode, the collecting box is clamped in the bran powder collecting port and slides along the linear track on the inner surface of the parabolic collecting plate, so that the normal rotation of the parabolic collecting plate is guaranteed, and the automatic bran powder cleaning work is realized.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (10)
1. The utility model provides a rice polishing machine's chaff powder regeneration device which characterized in that: the rice polishing machine comprises a rotary recovery unit (2) arranged on a discharge pipeline (1) of the rice polishing machine and an air spraying assembly (3) arranged on the opposite surface of the rotary recovery unit (2), wherein the air spraying assembly (3) is used for blowing bran powder in polished rice into the rotary recovery unit (2) by using a set stable air speed, and the rice without the bran powder continuously falls to a main outlet (4) of the discharge pipeline (1) along the discharge pipeline (1);
the rotary recovery unit (2) comprises a parabolic collecting plate (201) movably mounted on the discharge pipeline (1) and a concentration pool (202) arranged at the lower end of the parabolic collecting plate (201), the parabolic collecting plate (201) movably rotates along the discharge pipeline (1) under the action of a power assembly (203), the air injection assembly (3) blows bran powder in polished rice to the inner surface of the movably rotating parabolic collecting plate (201) so that the bran powder is uniformly accumulated on the inner surface of the parabolic collecting plate (201), and the parabolic collecting plate (201) utilizes the relative rotation of the parabolic collecting plate (201) and the discharge pipeline (1) when rotating around the discharge pipeline (1) to clean the bran powder on the inner surface of the parabolic collecting plate (201).
2. The rice polishing machine bran powder recycling device according to claim 1, wherein: the rotary recovery unit (2) also comprises a waist drum cambered surface section (204) which is arranged at the position of the discharge pipeline (1) corresponding to the parabolic collecting plate (201), the upper end and the lower end of the waist drum cambered surface section (204) are provided with double-ring tracks (205), the spherical center of the parabolic collecting plate (201) is the same as that of the waist drum cambered surface section (204), the surface of the waist drum cambered surface section (204) facing the paraboloid collecting plate (201) is provided with a bran powder recovery branch opening (206), the parabolic collecting plate (201) rotates along the double-ring track (205) and the outer surface of the waist drum arc-shaped section (204) under the action of a power assembly, and the bran powder adhered to the inner surface of the parabolic collecting plate (201) is scraped through the bran powder recovery branch port (206) when the parabolic collecting plate (201) rotates around the waist drum cambered surface section (204).
3. The rice polishing machine bran powder recycling device according to claim 2, wherein: the double-ring track (205) comprises a first annular track (2051) fixedly arranged on the outer surface of the discharge pipeline (1) at the upper end of the waist drum arc-shaped section (204), and a second annular rail (2052) fixedly arranged on the outer surface of the discharge pipeline (1) at the lower end of the waist drum cambered surface section (204), a plurality of supporting rods (2053) which are uniformly distributed are arranged between the first annular track (2051) and the second annular track (2052) at the position close to the air injection component (3), the outer surfaces of the upper end and the lower end of the paraboloid collecting plate (201) respectively slide along the first annular track (2051) and the second annular track (2052) through a plurality of arc-shaped strips (207) which are uniformly distributed, the circle centers of the first annular track (2051) and the second annular track (2052) are the same as the circle center of the arc-shaped strip (207).
4. The rice polishing machine bran powder recycling device according to claim 3, wherein: the lower end of the paraboloid collecting plate (201) is provided with a linear slide way (5) which is the same as the arc surface length of the paraboloid collecting plate (201), an arc collecting box (6) which can move freely and is always kept inside the bran powder recovering branch port (206) is arranged in the linear slide way (5), the upper surface of the arc collecting box (6) is provided with an opening, two sides of the center position of the lower surface of the arc collecting box (6) are provided with slope panels (7) which incline upwards, the center position of the lower surface of the arc collecting box (6) is provided with a ripple conveying pipe (8) which is connected with the concentration pool (202), two vertical edges of the bran powder recovering branch port (206) are provided with a plough plate (9) which is used for shoveling bran powder on the inner surface of the paraboloid collecting plate (201) above the arc collecting box (6), and the length of the arc collecting box (6) is greater than the distance between the two plough plates (9), when the power assembly (203) drives the paraboloid collecting plate (201) to rotate, the plough shovel plate (9) continuously cleans bran powder on the inner surface of the paraboloid collecting plate (201) into the arc-shaped collecting box (6), and the bran powder in the arc-shaped collecting box (6) is transferred into the concentration pool (202) through the corrugated conveying pipe (8) for bran powder recycling.
5. The rice polishing machine bran powder recycling device according to claim 4, wherein: the length of the outer surface of the parabolic collecting plate (201) is equal to twice the length of the bran powder recovery branch port (206), the outer surface of the plough shovel plate (9) is tightly attached to the inner surface of the parabolic collecting plate (201), two vertical edges of the bran powder recovery branch port (206) are provided with arc-shaped surfaces (10) connected with the plough shovel plate (9), and the plough shovel plate (9) shovels bran powder on the parabolic collecting plate (201) and automatically falls into the arc-shaped collecting box (6) when the parabolic collecting plate (201) rotates in a circulating reciprocating mode.
6. The rice polishing machine bran powder recycling device according to claim 3, wherein: the outer surface of the parabolic collection plate (201) is provided with a plurality of vertically and uniformly distributed racks (11), the power assembly (203) comprises a motor base (2031) and a servo motor (2032) mounted on the motor base (2031), a driving gear (2033) is mounted on an output shaft of the servo motor (2032), all the racks (11) and the parabolic collection plate (201) form a driven gear integrally, and the driving gear (2033) drives the parabolic collection plate (201) to movably rotate along the first annular track (2051) and the second annular track (2052) through meshing with the racks (11).
7. The rice polishing machine bran powder recycling device according to claim 6, wherein: the maximum angle span of the reciprocating rotation of the parabolic collection plate (201) driven by the servo motor (2032) is twice of the angle of the sector where the bran powder recovery branch port (206) is located, the single rotation angle of the parabolic collection plate (201) is half of the angle of the sector where the bran powder recovery branch port (206) is located, and the angles of the track lengths of the first annular track (2051) and the second annular track (2052) are three times of the angle of the sector where the bran powder recovery branch port (206) is located.
8. A recycling method of bran powder recycling device of a rice polishing machine based on any one of claims 1 to 7 is characterized by comprising the following steps:
step 100, starting a rice polishing machine, an air spraying assembly and a bran powder rotation recovery unit, wherein the rice polishing machine is used for removing bran powder on the surface of rice, and the rice and the bran powder are discharged through a primary outlet of a discharge pipeline of the rice polishing machine;
step 200, separating rice and bran powder at the position of the primary outlet by the air spraying assembly, enabling the rice to continuously fall, and blowing the bran powder to the rotary recovery unit by the air spraying assembly;
300, circularly reciprocating rotation is carried out on the paraboloidal collecting plate of the rotary recovery unit, and the bran powder adhered to the inner surface of the paraboloidal collecting plate is shoveled and falls into a collecting box by utilizing the relative motion between the plough shovel plates on the two sides of the bran powder collecting port and the paraboloidal collecting plate of the rotary recovery unit;
and 400, transferring the bran powder in the collection box to a recovery tank through a transmission pipeline for bran powder recycling, and vertically dropping the rice after bran powder screening to a main outlet of the discharge pipeline.
9. The method of claim 8, wherein in step 300, the parabolic collection plate rotates at the same angle in both directions, and the single rotation angle of the parabolic collection plate is equal to half of the sector angle of the bran powder collection port, and the parabolic collection plate rotates in a reciprocating manner under the power of the power assembly to scoop the bran powder from the inner surface of the parabolic collection plate by the relative movement between the vertical edge of the bran powder collection port and the parabolic collection plate.
10. The method for recycling bran powder from a rice polishing machine as claimed in claim 8, wherein the collection box is locked in the bran powder collection port and slides along the linear track of the inner surface of the parabolic collection plate when the parabolic collection plate is driven by the power assembly to rotate in a reciprocating manner, so as to ensure the normal rotation of the parabolic collection plate.
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| CN112844530B (en) | 2023-11-24 |
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Effective date of registration: 20231027 Address after: 232200 west side of sidian village committee, anfengtang Town, Shouxian County, Huainan City, Anhui Province Applicant after: Shouxian Shaoyi Rice Industry Co.,Ltd. Address before: 232200 Jiangou Town Industrial Park, Shou county, Huainan City, Anhui Province Applicant before: Shouxian Yuwang Food Co.,Ltd. |
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Denomination of invention: A device and method for the regeneration and utilization of bran powder in a rice polishing machine Granted publication date: 20231124 Pledgee: Anhui Shouxian United Village Bank Co.,Ltd. Yankou Branch Pledgor: Shouxian Shaoyi Rice Industry Co.,Ltd. Registration number: Y2024980016995 |
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