CN210585875U

CN210585875U - Mushroom powder airflow grader

Info

Publication number: CN210585875U
Application number: CN201921138602.8U
Authority: CN
Inventors: 温永昌
Original assignee: Xiangyang Zhengronghe Agricultural Technology Co Ltd
Current assignee: Xiangyang Zhengronghe Agricultural Technology Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-05-22
Anticipated expiration: 2029-07-19

Abstract

The utility model relates to a mushroom processing equipment technical field discloses a mushroom powder airflow grader, including hierarchical section of thick bamboo, connect the cone type section of thick bamboo in hierarchical section of thick bamboo below, be provided with baffle one, baffle two in the cone type section of thick bamboo, form the diffusion zone between baffle one and the baffle two, form the secondary classification district below the baffle two, the diffusion zone is provided with the air-supply line, with the perpendicular inlet pipe of being connected of air-supply line, the secondary classification district is provided with overgrate air import, the bottom is provided with middlings discharging device. The utility model has the advantages of it is following and effect: the mushroom powder entering the airflow classifier is dispersed through the high-pressure fan and the air inlet pipe, so that the classification of the mushroom powder is facilitated; the first baffle and the second baffle can intercept large particles in the mushroom powder and further sieve the mushroom powder; the air flows of the diffusion area and the secondary grading area are both upwards spirally, so that the air flow in the air flow grading machine is stable, and the consistency of product quality is ensured.

Description

Mushroom powder airflow grader

Technical Field

The utility model relates to a mushroom processing equipment technical field, in particular to mushroom powder airflow grader.

Background

The mushroom powder can be used as a seasoning and a natural food additive and is widely applied to the food processing industry, the mushroom powder is formed by crushing dry mushrooms, and mushroom powder with a specific granularity needs to be screened out from a mushroom powder finished product, so that the consistency of the products is ensured. The mushroom powder is usually screened by an airflow classifier, materials move to a classification area from a feeding port at the lower end of the classifier along with ascending airflow at high speed under the suction action of a fan, under the powerful centrifugal action generated by a classification turbine rotating at high speed, coarse and fine materials are separated, fine particles meeting the particle size requirement enter a cyclone separator or a dust remover through blade gaps of the classification wheel to be collected, the speed of the coarse particles carried with part of the fine particles disappears after the fine particles collide with a wall, the coarse particles descend to a secondary air port along a cylinder wall, the coarse and fine particles are separated through the strong elutriation action of secondary air, the fine particles ascend to the classification area for secondary classification, and the coarse particles descend to a discharge port to be discharged. According to the air classifier with the structure, raw materials are brought to the upper end classifying area from the lower end under the action of wind power, and large wind power is needed, so that the energy consumption is high; more fine particles at the secondary air position are easy to fall along with the coarse particles, and the grading efficiency is low.

The invention discloses an airflow classifier which comprises a classifying impeller driven by a power device, wherein a cyclone cylinder for passing classified airflow is sleeved on the periphery of the classifying impeller, a feed inlet corresponding to the classifying impeller is formed in the top of the cyclone cylinder, an air inlet is formed in the cyclone cylinder, a classifying cavity for classifying materials is formed between the cyclone cylinder and the classifying impeller, an inner cylinder is arranged below the classifying impeller, a sealing device is arranged between the inner cylinder and the classifying impeller, a fine powder discharge port is formed in the bottom of the inner cylinder, an outer cylinder surrounding the inner cylinder is connected below the cyclone cylinder in a sealing mode, and a coarse powder discharge port is formed in the bottom of the outer cylinder. The scheme only adopts one cyclone and the grading wheel to realize the separation of coarse powder and fine powder, the energy consumption is low, but the grading efficiency is not obviously improved compared with the traditional scheme.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mushroom powder airflow grader has simple structure, the energy consumption is low, effect that classification efficiency is high.

The above technical purpose of the present invention can be achieved by the following technical solutions: the device comprises a grading cylinder, a grading wheel arranged in the grading cylinder, a first motor for driving the grading wheel to rotate, a fine powder outlet connected with the grading wheel, and a conical cylinder connected below the grading cylinder; the hierarchical section of thick bamboo with a tapered section of thick bamboo department of meeting is provided with a plurality of baffles one, is located a plurality of baffles two of baffle below, baffle one with form the diffusion zone between the baffle two, baffle two below forms secondary classification district, the diffusion zone be provided with the air-supply line, be used for to the high pressure positive blower of air-supply line air supply, with the inlet pipe that the air-supply line is perpendicular to be connected, secondary classification district is provided with the overgrate air import, the bottom is provided with middlings discharging device.

By adopting the technical scheme, in the mushroom powder grading process, mushroom powder enters the diffusion zone in the airflow grading machine from the feeding pipe vertically connected with the air inlet pipe, the high-pressure fan supplies air into the diffusion zone through the air inlet pipe, and the mushroom powder is dispersed under the action of wind power in the air inlet pipe after entering the air inlet pipe, so that the subsequent mushroom powder grading is facilitated; the first baffle is arranged at the joint of the conical cylinder and the grading cylinder, the dispersed mushroom powder collides with the first baffle in the process of entering the grading cylinder under the action of air flow generated by the grading wheel, large-particle mushroom powder is intercepted by the baffle and falls downwards, and small-particle mushroom powder enters the grading cylinder upwards from a gap between adjacent baffles; the mushroom powder falling into the secondary grading area downwards is elutriated under the action of secondary air, part of large particles fall into the bottom coarse powder discharging device, part of mushroom powder is collided with the baffle plate II in the process of being carried by secondary air upwards, the large particles in the part of mushroom powder are intercepted and fall into the coarse powder discharging device, and the small particles enter from the fine powder outlet through the grading cylinder to finish grading of the mushroom powder.

The utility model discloses a further set up to: the air inlet pipe is tangent to the side wall of the conical cylinder, and the airflow generated by the high-pressure fan spirally rises along the inner wall of the conical cylinder.

The utility model discloses a further set up to: the first baffle is arc-shaped, the first baffle is uniformly distributed along the circumferential direction of the inner wall of the conical cylinder, and the airflow in the diffusion area spirally enters the grading cylinder along a gap between the first baffles.

The utility model discloses a further set up to: the second baffle plate and the second baffle plate have the same structure, and the airflow in the secondary classification area spirally enters the diffusion area along a gap between the second baffle plates.

By adopting the technical scheme, the air inlet pipe is tangent to the side wall of the diffusion area, the diffusion area is conical, airflow generated by the high-pressure fan enters the diffusion area along the tangential direction and then spirally rises along the inner wall of the conical cylinder, the first baffle plates are arc-shaped and uniformly distributed along the circumferential direction of the inner wall of the conical cylinder, the airflow in the diffusion area enters the grading cylinder along gaps between the adjacent first baffle plates, and dust carried by the airflow is further screened through the first baffle plates; the second baffle plate has the same structure as the first baffle plate, and the shiitake powder in the two pairs of secondary grading areas of the second baffle plate is further screened.

The utility model discloses a further set up to: the coarse powder discharging device comprises an impeller positioned at the lower end of the conical cylinder, a motor II for driving the impeller to rotate and a coarse powder outlet positioned below the impeller.

Through adopting above-mentioned technical scheme, dial out the air current grader with the middlings when the impeller rotates, avoid the air to upwards get into the air current grader from the middlings export, influence the middlings ejection of compact.

The utility model discloses a further set up to: the secondary air inlet is tangent to the conical cylinder, and the secondary air inlet is connected with the air outlet of the high-pressure fan.

The utility model has the advantages that: the mushroom powder entering the airflow classifier is dispersed through the high-pressure fan and the air inlet pipe, so that the classification of the mushroom powder is facilitated; the first baffle and the second baffle can intercept large particles in the mushroom powder, the mushroom powder is further screened, and the mushroom powder grading efficiency is improved; the air flows of the diffusion area and the secondary grading area are both upwards spirally, so that the air flow in the air flow grading machine is stable, and the consistency of product quality is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic view of the internal structure of the present embodiment.

FIG. 3 is a schematic view of a coarse powder discharging device

In the figure, 1, a grading cylinder; 2. a grading wheel; 3. a first motor; 4. a fine powder outlet; 5. a tapered cylinder; 6. a first baffle plate; 7. a second baffle plate; 8. a diffusion region; 9. a secondary classification zone; 10. an air inlet pipe; 11. a secondary air inlet; 12. a feed pipe; 13. a coarse powder discharging device; 131. an impeller; 132. a second motor; 133. and (5) a coarse powder outlet.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b): a shiitake powder airflow classifier is shown in figures 1 and 2 and comprises a classifying barrel 1, a classifying wheel 2 arranged in the classifying barrel 1, a motor I3 used for driving the classifying wheel 2 to rotate, a fine powder outlet 4 connected with the classifying wheel 2 and a conical barrel 5 connected below the classifying barrel 1; a plurality of first baffle plates 6 located in the conical cylinder 5 are arranged at the joint of the grading cylinder 1 and the conical cylinder 5, a plurality of second baffle plates 7 are arranged below the first baffle plates 6, a diffusion area 8 is formed between the first baffle plates 6 and the second baffle plates 7, a secondary grading area 9 is formed below the second baffle plates 7, an air inlet pipe 10 is arranged on the side wall of the diffusion area 8, a secondary air inlet 11 is arranged on the side wall of the secondary grading area 9, a feeding pipe 12 is vertically connected onto the air inlet pipe 10, and a coarse powder discharging device 13 is arranged at the bottom of the conical cylinder 5. The mushroom powder enters the air inlet pipe 10 from the feeding pipe 12, is conveyed to the diffusion area 8 under the action of high-pressure airflow generated by a high-pressure fan, is scattered to facilitate subsequent screening, the mushroom powder in the diffusion area 8 enters the grading cylinder 1 through gaps between the first baffles 6 under the action of airflow generated by the grading wheel 2, is screened in the grading cylinder 1, screened fine powder is separated from the fine powder outlet 4, the remaining mushroom powder falls into the secondary grading area 9 for further screening, and screened coarse powder is separated from the coarse powder discharging device 13.

As shown in fig. 1 and 2, the air inlet pipe 10 is tangent to the side wall of the conical cylinder 5 of the diffusion area 8, the secondary air inlet 11 is tangent to the side wall of the conical cylinder 5 of the secondary classification area 9, both the air inlet pipe 10 and the secondary air inlet 11 are connected with the air outlet of the high-pressure fan, and the air flow passing through the air inlet pipe 10 and the secondary air inlet 11 spirally upwards along the inner wall of the conical cylinder 5 drives the small-particle shiitake mushroom powder in the conical cylinder 5 to upwards flow, and the large-particle shiitake mushroom powder falls downwards under the action of gravity. The baffle plates 6 are arc-shaped, the baffle plates 6 are uniformly distributed along the inner wall of the conical cylinder 5 along the circumferential direction, airflow of the diffusion area 8 enters the grading cylinder 1 along a gap between every two adjacent baffle plates 6, mushroom powder carried in the airflow collides with the baffle plates, the inertial acting force borne by large-particle mushroom powder is large, the large-particle mushroom powder is intercepted by the baffle plates 6 and falls into the secondary grading area 9, and small-particle mushroom powder continues to move upwards under the action of the airflow; the second baffle 7 and the first baffle 6 are identical in structure, airflow of the secondary classification area 9 enters the diffusion area 8 along the gap between the second adjacent baffles 7 in a spiral mode, and large-particle lentinus edodes powder is intercepted by the second baffle 7 and falls into the coarse powder discharging device 13.

As shown in fig. 3, the coarse powder discharging device 13 includes an impeller 131 located at the lower end of the conical cylinder 5, a second motor 132 for driving the impeller 131 to rotate, and a coarse powder outlet 133 located below the impeller 131, wherein the coarse powder is pulled out from the coarse powder outlet 133 when the impeller 131 rotates, so that air is prevented from entering the conical cylinder 5 from the coarse powder outlet 133.

A mushroom powder airflow grader working principle: in the classification process of the mushroom powder, the mushroom powder enters a diffusion area 8 in an airflow classifier from a feeding pipe 12 vertically connected with an air inlet pipe 10, a high-pressure fan supplies air into the diffusion area 8 through the air inlet pipe 10, and the mushroom powder is dispersed under the action of wind power in the air inlet pipe 10, so that the subsequent classification of the mushroom powder is facilitated; a first baffle 6 is arranged at the joint of the conical cylinder 5 and the grading cylinder 1, the dispersed mushroom powder collides with the first baffle 6 in the process of entering the grading cylinder 1 under the action of air flow generated by the grading wheel 2, large-particle mushroom powder is subjected to larger inertia force and is intercepted by the baffles to fall downwards, and small-particle mushroom powder enters the grading cylinder 1 upwards from a gap between adjacent baffles; the mushroom powder falling into the secondary classification area 9 downwards is elutriated under the action of secondary air, part of large particles fall into the bottom coarse powder discharging device 13, part of mushroom powder is collided with the baffle II 7 in the process of being carried by secondary air upwards, the large particles in the mushroom powder are intercepted and fall into the coarse powder discharging device 13, and small particles enter the fine powder outlet 4 through the classification cylinder 1 to finish classification of the mushroom powder.

Claims

1. The utility model provides a mushroom powder air current grader which characterized in that: the device comprises a grading cylinder (1), a grading wheel (2) arranged in the grading cylinder (1), a motor I (3) for driving the grading wheel (2) to rotate, a fine powder outlet (4) connected with the grading wheel (2), and a conical cylinder (5) connected below the grading cylinder (1);

hierarchical section of thick bamboo (1) with a conical section of thick bamboo (5) meet the department and be provided with a plurality of baffles (6), be located a plurality of baffles two (7) of baffle (6) below, baffle one (6) with form diffusion zone (8) between baffle two (7), baffle two (7) below forms secondary classification district (9), diffusion zone (8) be provided with air-supply line (10), be used for to the high pressure positive blower of air-supply line (10) air supply, with inlet pipe (12) that air-supply line (10) are connected perpendicularly, secondary classification district (9) are provided with secondary air intake, the bottom is provided with middlings discharging device (13).

2. The shiitake powder airflow classifier according to claim 1, wherein: the air inlet pipe (10) is tangent to the side wall of the conical cylinder (5), and air flow generated by the high-pressure fan spirally rises along the inner wall of the conical cylinder (5).

3. The shiitake powder airflow classifier according to claim 1, wherein: baffle (6) are the arc type, baffle (6) are followed taper type section of thick bamboo (5) inner wall circumferencial direction evenly distributed, diffusion zone (8) air current is along adjacent gap spiral between baffle (6) gets into hierarchical section of thick bamboo (1).

4. The shiitake powder airflow classifier according to claim 3, wherein: baffle two (7) are the arc, baffle two (7) are followed taper type section of thick bamboo (5) inner wall circumferencial direction evenly distributed, secondary classification district (9) air current is along adjacent gap spiral between baffle two (7) gets into diffusion zone (8).

5. The shiitake powder airflow classifier according to claim 1, wherein: the coarse powder discharging device (13) comprises an impeller (131) positioned at the lower end of the conical cylinder (5), a second motor (132) driving the impeller (131) to rotate, and a coarse powder outlet (133) positioned below the impeller (131).

6. The shiitake powder airflow classifier according to claim 1, wherein: the secondary air inlet (11) is tangent to the conical cylinder (5), and the secondary air inlet (11) is connected with the air outlet of the high-pressure fan.