Wheat cleaning device for flour production

By introducing the design of cage rotation cleaning, centrifugal drainage and circulating water utilization in the wheat cleaning device, the problem of high water resource consumption of existing equipment is solved, the recycling of water resources and equipment automation are realized, and production costs are reduced.

CN223440567UActive Publication Date: 2025-10-17DUNHUANG MOGAO NOODLES CO LTD
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Patent Information

Application Number
CN202422834149.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-10-17
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Existing wheat cleaning equipment consumes a large amount of water resources before producing flour. It is necessary to design a cleaning device that can recycle water resources to save water resources.

Method used

A device including a cleaning box, a mesh cage, a sedimentation box and a driving mechanism was designed. The recycling of water resources was achieved through rotary cleaning, centrifugal drainage and circulating water utilization in the mesh cage, combined with the automatic control of the liquid level meter and controller.

Benefits of technology

The water consumption in the wheat cleaning process is reduced, the automation level of the equipment is improved, the labor intensity of the operators is reduced, and the blockage of components is prevented, thereby reducing production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of wheat processing, and particularly discloses a wheat cleaning device for flour production, which comprises a base and a cleaning box, the cleaning box is fixedly connected with the base, a liquid discharge pipeline is arranged at the bottom of the cleaning box, a liquid inlet pipeline is arranged at the top of the cleaning box, a net cage is arranged in the cleaning box, and a driving rod is arranged in the net cage and connected with a driving mechanism. A sewage pump is arranged on the lower side of the settling box, a recycling pipeline is arranged on the upper side of the settling box, a water tank is connected to the top of the settling box, a water supply pump is arranged on the top of the water tank, and the output end of the water supply pump is fixedly connected with the liquid inlet pipeline. According to the wheat cleaning device, the rotatable net cage is arranged in the cleaning box, the cleaning box is communicated with the settling box, wheat to be cleaned is added into the net cage, after the wheat is cleaned, cleaning water in the cleaning box is discharged into the settling box to precipitate impurities and then is recycled, and therefore the amount of water resources consumed when the wheat is cleaned can be reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of wheat processing, specifically is a wheat cleaning device for flour production. BACKGROUND

[0002] Flour is the wheat flour that is ground and processed with wheat, after the maturity of wheat is harvested, the wheat grain is selected after the impurity is removed and is stored in the granary, is produced into flour by the flour production plant in turn. Before the wheat is ground into flour, the wheat needs to be cleaned, the dust and soil attached to the surface of the wheat grain are removed, the impurities in the flour production are reduced, so that the cleanliness of the produced flour is ensured. The existing wheat production equipment consumes a large amount of water resources when cleaning the wheat grain, therefore, a wheat cleaning device for flour production is needed, which can recycle water resources and save water resources. SUMMARY

[0003] In view of the above technical problems, the utility model provides a wheat cleaning device for flour production, which can recycle water resources and save water resources, to solve the problem of water consumption in the wheat cleaning process.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: a wheat cleaning device for flour production, which comprises a base and a cleaning tank, the cleaning tank is fixedly connected with the base through support legs at the bottom, a liquid discharge pipeline is fixedly connected at the bottom of the cleaning tank, and a liquid inlet pipeline is fixedly connected at the top of the cleaning tank, a net box is arranged in the cleaning tank, a plurality of water draining through holes are formed in the side wall and the bottom wall of the net box, a driving rod is fixedly connected at the central axis position in the net box and arranged vertically, the upper end of the driving rod extends out of the net box and is fixedly connected with a driving mechanism, two symmetrical charging ports are fixedly connected at the top of the net box, a discharging pipe is fixedly connected at the bottom of the net box, the discharging pipe is rotatably connected with the bottom of the cleaning tank, the lower end of the discharging pipe extends out of the cleaning tank, a discharging valve is installed on the discharging pipe, a liquid discharge valve and a liquid transfer pump are installed on the liquid discharge pipeline in sequence, a sedimentation tank is connected to the other end of the liquid discharge pipeline, the sedimentation tank is fixedly connected with the base at the bottom, a sewage pump is fixedly connected to the lower side of the sedimentation tank, and a recovery pipeline is fixedly connected to the upper side of the sedimentation tank, a filter screen is arranged on the position of the recovery pipeline in the sedimentation tank, a water tank is fixedly connected to the top of the sedimentation tank, a water supply pump is fixedly connected to the top of the water tank, the output end of the water supply pump is fixedly connected with the liquid inlet pipeline, the input end of the water supply pump is connected with the recovery pipeline and a water supply pipeline through a three-way joint, the other end of the water supply pipeline extends into the water tank, and a recovery valve and a water supply valve are respectively installed on the recovery pipeline and the water supply pipeline.

[0005] Further, the driving mechanism comprises a variable frequency motor and a mounting rack, the mounting rack is in the shape of a Chinese character "door", the bottom of the mounting rack is fixedly connected with the base, the top of the mounting rack is located above the cleaning tank, the variable frequency motor is fixedly connected with the top of the mounting rack, and the output end of the variable frequency motor penetrates downward through the mounting rack and is fixedly connected with the upper end of the driving rod.

[0006] Further, one side of the cleaning tank is provided with a liquid level meter, the liquid level meter is in communication connection with a controller, the water supply pump and the liquid conveying pump are controlled by the controller, the liquid discharge valve is an electromagnetic valve, and the liquid discharge valve is controlled by the controller.

[0007] Further, one side of the settling tank is provided with a transparent liquid level observation window, and the top of the settling tank is provided with a balance air valve.

[0008] Further, the bottom of the cleaning tank is fixedly connected with a cleaning pipeline, corresponding valves are arranged on the cleaning pipeline, and a filter screen is arranged on the cleaning tank and covers the liquid discharge pipeline.

[0009] Compared with the prior art, the utility model has the following advantages:

[0010] 1. The utility model discloses a cleaning tank is connected to the settling tank, and the wheat to be cleaned is added to the mesh box, after the cleaning of the wheat is completed, the cleaning water in the cleaning tank is discharged into the settling tank to deposit impurities and is recycled, the water resource consumption during the cleaning of the wheat is reduced, the rotation speed of the mesh box is further increased, the centrifugal force is utilized to drain the cleaned wheat in the mesh box, the wheat is unloaded from the mesh box after the draining is completed, the water carried by the wheat when leaving the cleaning tank is reduced, the water resource consumption during the cleaning of the wheat is further reduced, and the cost of producing flour from the wheat is reduced.

[0011] 2. The utility model discloses a liquid level meter is installed in the cleaning tank, the liquid level meter is connected to the controller, the water supply pump, the liquid conveying pump and the liquid discharge valve are controlled to be closed according to the liquid level in the cleaning tank through the controller, manual closing is replaced, the automation level of the equipment is improved, and the labor intensity of the operator is reduced, the liquid level observation window is arranged on one side of the settling tank, the deposition of the sand and other impurities in the recycled cleaning water in the settling tank is observed by the operator, the filter screen is arranged on the liquid discharge pipeline at the bottom of the cleaning tank, the small wheat particles passing through the draining through hole of the mesh box are prevented from entering the liquid discharge pipeline, and the subsequent components are prevented from being blocked or damaged. DRAWINGS

[0012] Fig. 1 It is a structural schematic view of the utility model.

[0013] Fig. 2The utility model discloses a cleaning tank's overhead structure schematic diagram.

[0014] In the drawing: 1, base, 2, cleaning tank, 3, support leg, 4, liquid discharge pipeline, 5, liquid inlet pipeline, 6, net box, 7, drive rod, 8, charging port, 9, discharge pipe, 10, liquid discharge valve, 11, liquid transfer pump, 12, settling tank, 13, sewage pump, 14, recovery pipeline, 15, filter screen, 16, water tank, 17, water supply pump, 18, water supply pipeline, 19, recovery valve, 20, water supply valve, 21, variable frequency motor, 22, mounting frame, 23, liquid level meter, 24, liquid level observation window, 25, balance air valve, 26, cleaning pipeline. DETAILED DESCRIPTION

[0015] The utility model will be further explained below with the drawings.

[0016] As Figs. 1-2The wheat cleaning device for flour production shown in the figure includes a base 1 and a cleaning box 2. A water baffle for increasing turbulence is fixedly connected to the inner wall of the cleaning box 2 to increase the cleaning effect. The bottom of the cleaning box 2 is fixedly connected to the base 1 through a supporting leg 3. A drainage pipe 4 is fixedly connected to the bottom of the cleaning box 2, and a liquid inlet pipe 5 is fixedly connected to the top. A net box 6 is arranged in the cleaning box 2. The bottom of the net box 6 is hemispherical. A plurality of drainage holes are opened on the side walls and the bottom wall of the net box 6. The aperture of the drainage hole is smaller than the minimum particle size of the wheat grains. The net box 6 is fixed at the central axis position. The driving rod 7 is fixedly connected to the inner wall of the net box 6 by four connecting rods to increase the connection strength between the two. The upper end of the driving rod 7 extends out of the net box 6 and is fixedly connected to the driving mechanism. The top of the net box 6 is fixedly connected to two symmetrically arranged feeding ports 8. The feeding ports 8 are equipped with adapted sealed covers. The bottom of the net box 6 is fixedly connected to a discharge pipe 9. The discharge pipe 9 is rotatably connected to the bottom of the cleaning box 2 through a bearing. A sealing ring is installed on the bearing to ensure airtightness. The lower end of the discharge pipe 9 extends out of the cleaning box 2. A discharge valve is provided, and a butterfly valve is preferably used as the type of discharge valve. A discharge valve 10 and an infusion pump 11 are sequentially installed on the discharge pipe 4. The other end of the discharge pipe 4 is connected to a sedimentation tank 12. The bottom of the sedimentation tank 12 is fixedly connected to the base 1. A sewage pump 13 is fixedly connected to the lower side of the sedimentation tank 12 and a recovery pipe 14 is fixedly connected to the upper side. The sewage pump 13 sucks and discharges impurities such as sludge deposited at the bottom of the sedimentation tank 12 to the outside of the sedimentation tank 12. A filter screen 15 is provided at the position of the recovery pipe 14 in the sedimentation tank 12, and the outside of the filter screen 15 is covered with a dust filter. To prevent sediment from entering the recovery pipe 14, a water tank 16 is fixedly connected to the top of the sedimentation tank 12, and a water injection pipe is fixedly connected to the upper side of the water tank 16. The water injection pipe is connected to the water source, and a water supply pump 17 is fixedly connected to the top of the water tank 16. The output end of the water supply pump 17 is fixedly connected to the liquid inlet pipe 5, and the input end of the water supply pump 17 is respectively connected to the recovery pipe 14 and the water supply pipe 18 through a three-way joint. The other end of the water supply pipe 18 extends into the water tank 16. Corresponding recovery valves 19 and water supply valves 20 are respectively installed on the recovery pipe 14 and the water supply pipe 18.

[0017] In order to drive the driving rod 7 to rotate, thereby driving the mesh box 6 to rotate, the driving mechanism includes a variable frequency motor 21 and a mounting frame 22. The mounting frame 22 is in the shape of a "door". The bottom of the mounting frame 22 is fixedly connected to the base 1, and the top of the mounting frame 22 is located above the cleaning box 2. The variable frequency motor 21 is fixedly connected to the top of the mounting frame 22. The output end of the variable frequency motor 21 extends downward through the mounting frame 22 and is fixedly connected to the upper end of the driving rod 7. The variable frequency motor 21 is connected to the frequency converter adapted thereto to adjust the speed of the variable frequency motor 21.

[0018] In order to automate the washing tank 2 in the water and drainage operation, the washing tank 2 side is equipped with a liquid level meter 23, the liquid level meter 23 adopts the input type static pressure liquid level transmitter, the liquid level meter 23 is connected with controller communication, water pump 17, liquid pump 11 are controlled by controller, and the liquid valve 10 adopts solenoid valve, and the liquid valve 10 is also controlled by the controller.

[0019] In order to facilitate the observation of the liquid in the sedimentation tank 12 in the sedimentation of sand and dust and other impurities, the sedimentation tank 12 side is equipped with a transparent liquid level observation window 24, in order to realize the pressure balance between the inside and outside of the sedimentation tank 12, the sedimentation tank 12 top is equipped with a balance air valve 25, the balance air valve 25 adopts a breather valve.

[0020] In order to clean the small wheat particles in the washing tank 2, the washing tank 2 bottom is fixedly connected with a cleaning pipeline 26, the cleaning pipeline 26 is equipped with a corresponding valve, and the washing tank 2 is equipped with a filter screen at the liquid discharge pipeline 4, the filter screen can avoid the small wheat particles passing through the drain hole of the net box 6 into the liquid discharge pipeline 4, to prevent the subsequent components from being blocked or damaged.

[0021] The specific working process of the utility model is as follows:

[0022] The wheat to be cleaned is added into the mesh box 6 through the feeding port 8, and after the addition is completed, the sealing cover of the feeding port 8 is closed, at the same time, the water supply pump 17 is started by the controller, the water supply valve 20 is adjusted to be opened, and the recovery valve 19 is adjusted to be closed, at this time, the water entering the water supply pump 17 comes from the water tank 16, the water injection into the cleaning tank 2 is started, and the liquid level meter 23 monitors the liquid level in the cleaning tank 2 in real time, when the liquid level reaches the set height, the liquid level meter 23 sends a signal to the controller, the controller controls the water supply pump 17 to be closed, and the water injection is completed; the variable frequency motor 21 is started and the rotating speed is adjusted to rotate slowly, which drives the driving rod 7 to rotate, thereby driving the mesh box 6 to rotate, and the dust and silt attached to the wheat in the mesh box 6 are cleaned, the dust and silt are cleaned into the water, after the cleaning is completed, the liquid discharge valve 10 and the liquid conveying pump 11 are opened at the same time by the controller, the cleaned water is discharged from the liquid discharge pipeline 4 and is pumped into the sedimentation tank 12, in this process, the liquid level meter 23 monitors the liquid level in the cleaning tank 2 in real time, when the liquid level drops to the bottom, the liquid level meter 23 sends a signal to the controller, the controller controls the liquid discharge valve 10 and the liquid conveying pump 11 to be closed, and the water discharge is completed; the rotating speed of the variable frequency motor is adjusted by the frequency converter connected with the variable frequency motor 21, so as to speed up the rotating speed of the mesh box 6, and the centrifugal force generated by the rotation is used to dewater the wheat in the mesh box 6, after the dewatering is completed, the dewatering valve on the unloading pipe 9 is opened, the dewatered wheat is unloaded from the mesh box 6 and is conveyed to the next drying process through the conveying belt; the next batch of wheat to be cleaned is added into the mesh box 6 again, at the same time, the water supply pump 17 is started by the controller, at this time, the water supply valve 20 is adjusted to be closed, and the recovery valve 19 is adjusted to be opened, the water entering the water supply pump 17 is adjusted to be the clarified water in the upper part recovered from the sedimentation tank 16, the liquid level meter 23 continues to control the water supply pump 17 to be closed according to the above process, the variable frequency motor 21 is started again, and the wheat in this batch is cleaned, at this time, the operator can start the sewage pump 13 to remove the sludge and impurities at the bottom of the sedimentation tank 12, after the wheat cleaning is completed, the above process is repeated to continue the wheat cleaning work.

[0023] When the cleaning water recovered from the sedimentation tank 12 is insufficient to add the liquid level in the cleaning tank 2 to the set height, the operator timely adjusts the water supply valve 20 to be opened and the recovery valve 19 to be closed, and the water entering the water supply pump 17 is changed to the water supply from the water tank 16 again.

Claims

1. A wheat cleaning device for flour production, comprising a base (1) and a cleaning box (2), wherein the bottom of the cleaning box (2) is fixedly connected to the base (1) via supporting legs (3), the bottom of the cleaning box (2) is fixedly connected to a drainage pipe (4), and the top of the cleaning box (2) is fixedly connected to a liquid inlet pipe (5), characterized in that: A mesh box (6) is provided in the cleaning box (2), and a plurality of drainage holes are provided on the side walls and the bottom wall of the mesh box (6). A vertically arranged driving rod (7) is fixedly connected to the central axis position in the mesh box (6), and the upper end of the driving rod (7) extends out of the mesh box (6) and is fixedly connected to the driving mechanism. Two symmetrically arranged feeding ports (8) are fixedly connected to the top of the mesh box (6). A discharge pipe (9) is fixedly connected to the bottom of the mesh box (6), and the discharge pipe (9) is rotatably connected to the bottom of the cleaning box (2). The lower end of the discharge pipe (9) extends through the cleaning box (2). A discharge valve is installed on the discharge pipe (9). A discharge valve (10) and an infusion pump (11) are installed on the drainage pipe (4) in sequence. The other end of the drainage pipe (4) is connected to a sedimentation box (12). The sedimentation box (12) The bottom is fixedly connected to the base (1); the lower side of the sedimentation box (12) is fixedly connected to a sewage pump (13); the upper side is fixedly connected to a recovery pipe (14); a filter screen (15) is provided in the sedimentation box (12) at the position of the recovery pipe (14); the top of the sedimentation box (12) is fixedly connected to a water tank (16); the top of the water tank (16) is fixedly connected to a water supply pump (17); the output end of the water supply pump (17) is fixedly connected to the liquid inlet pipe (5); the input end of the water supply pump (17) is connected to the recovery pipe (14) and the water supply pipe (18) respectively through a three-way joint; the other end of the water supply pipe (18) extends into the interior of the water tank (16); the recovery pipe (14) and the water supply pipe (18) are respectively installed with corresponding recovery valves (19) and water supply valves (20).

2. The wheat cleaning device for flour production according to claim 1, characterized in that: The driving mechanism comprises a variable frequency motor (21) and a mounting frame (22). The mounting frame (22) is in the shape of a "door". The bottom of the mounting frame (22) is fixedly connected to the base (1). The top of the mounting frame (22) is located above the cleaning box (2). The variable frequency motor (21) is fixedly connected to the top of the mounting frame (22). The output end of the variable frequency motor (21) extends downward through the mounting frame (22) and is fixedly connected to the upper end of the driving rod (7).

3. The wheat cleaning device for flour production according to claim 1, characterized in that: A liquid level meter (23) is installed on one side of the cleaning box (2), and the liquid level meter (23) is in communication with a controller. The water supply pump (17) and the infusion pump (11) are both controlled by the controller. The discharge valve (10) adopts a solenoid valve, and the discharge valve (10) is controlled by the controller.

4. The wheat cleaning device for flour production according to claim 1, characterized in that: A transparent liquid level observation window (24) is installed on one side of the sedimentation box (12), and a balancing air valve (25) is installed on the top of the sedimentation box (12).

5. The wheat cleaning device for flour production according to claim 1, characterized in that: A cleaning pipe (26) is fixedly connected to the bottom of the cleaning box (2), and a corresponding valve is installed on the cleaning pipe (26). A filter is provided in the cleaning box (2) at the drainage pipe (4).