Grain processing residue separating and collecting device and grain processing production line

Abstract

The utility model discloses a grain processing residue separating and collecting device and a grain processing production line, the separating and collecting device comprises a guide pipe, the guide pipe comprises a connecting port located at a low position, the connecting port is used for being connected with a waste discharge end of grain processing equipment, the high position of the guide pipe is connected with a spiral pipe, and the spiral pipe is connected with the waste discharge end of the grain processing equipment. The upper part of the spiral pipe is connected with an exhaust cylinder, and the bottom of the spiral pipe is provided with a settling chamber; the guide pipe is used for guiding processing byproducts discharged from the waste discharge end of the grain processing equipment to flow through the spiral pipe and enabling particles with small flow resistance to be discharged through the exhaust cylinder and particles with large flow resistance to fall into the settling chamber based on the centrifugal force effect generated by rotational flow at the spiral pipe; and the bottom of the spiral pipe is connected with an ash discharging device communicated with the settling chamber.

Description

Technical Field

[0001] The utility model relates to the technical field of grain processing, in particular to a device for separating and collecting grain processing residues. In addition, the utility model also relates to a grain processing production line comprising the device for separating and collecting grain processing residues. Background Art

[0002] In grain processing (indica rice, japonica rice, glutinous rice, steamed rice, rhubarb rice, small yellow rice, highland barley, oats, buckwheat, quinoa, barley, wheat, etc.), the raw grain materials undergo multiple processing techniques and are finally processed into finished products. Each process will produce granular dust-like residues after processing by processing equipment, and the economic added value of the residues produced by equipment processing in different process sections is different.

[0003] Theoretically, for devices that pneumatically convey and dust remove residues (particulate dust), the shorter the air duct pipes are, the better, and they should be as close to the main equipment as possible. However, in reality, due to factors such as environmental protection, factory buildings, and noise, many pneumatic conveying and dust removal systems have long air duct pipes, and the air duct pipes are laid at a high position, resulting in high resistance to pneumatic conveying and high maintenance costs. Especially when processing under extreme climatic conditions or for raw grain materials with high viscosity, it is easy for particulate dust in the air duct system (pipelines, elbows, brakes, pulses) to clump and stick together, affecting the paralysis of the entire pneumatic conveying and dust removal system. The pipes need to be cleaned frequently, which leads to inconvenience in processing and causes economic losses. Utility Model Content

[0004] The utility model provides a grain processing residue separation and collection device and a grain processing production line, which solves the technical problem that the existing grain processing production line air duct pneumatic conveying system has a long pipeline that is easily blocked by oily, viscous and bulky waste materials.

[0005] According to one aspect of the utility model, a grain processing residue separation and collection device is provided, which is used to be arranged at the waste discharge end of the grain processing equipment and connected to the air duct pneumatic conveying system of the grain processing production line; the separation and collection device includes a guide pipe, the guide pipe includes a connecting port at a low position, the connecting port is used to be connected to the waste discharge end of the grain processing equipment, the high position of the guide pipe is connected with a spiral pipe, the upper part of the spiral pipe is connected to an exhaust duct, and the bottom of the spiral pipe is provided with a sedimentation chamber; the guide pipe is used to guide the processing by-products discharged from the waste discharge end of the grain processing equipment to flow through the spiral pipe and based on the centrifugal force generated by the vortex passing through the spiral pipe, the particles with small flow resistance are discharged through the exhaust duct and the particles with large flow resistance fall into the sedimentation chamber; the bottom of the spiral pipe is connected to an ash discharge device connected to the sedimentation chamber.

[0006] As a further improvement of the above technical solution, the exhaust duct is provided with an air regulating mechanism for adjusting the air pressure and / or air volume of the exhaust duct to match the physical properties of the processing by-products.

[0007] As a further improvement of the above technical solution, the ash discharge device is provided with an air shutoff device for opening or closing the communication port between the ash discharge device and the settling chamber.

[0008] As a further improvement of the above technical solution, the guide tube includes a first tube body and a first cover plate, the spiral tube includes a second tube body and a second cover plate, and the first cover plate and the second cover plate are connected; the first tube body is provided with an adjustment lock for installing the first cover plate, and the second tube body is provided with an adjustment lock for installing the second cover plate.

[0009] As a further improvement of the above technical solution, the guide tube includes multiple sections of first tube bodies, and both ends of each first tube body are respectively provided with connecting flanges.

[0010] As a further improvement of the above technical solution, an observation window is provided on the side wall of the spiral tube away from the grain processing equipment at a position corresponding to the sedimentation chamber.

[0011] As a further improvement of the above technical solution, the grain processing equipment includes a horizontal rice milling machine or a vertical rice milling machine or a polishing machine.

[0012] As a further improvement of the above technical solution, the spiral tube includes a first curved plate connected to the guide tube and a second curved plate arranged in the spiral tube and connected to the guide tube, and a spiral channel is formed between the first curved plate and the second curved plate.

[0013] As a further improvement of the above technical solution, the inlet end of the exhaust duct matches the axial position of the second curved plate, and the second curved plate is arranged in a preset arc to limit the processing by-products that can enter the exhaust duct.

[0014] According to another aspect of the present invention, a grain processing production line is also provided, which includes the above-mentioned grain processing residue separation and collection device.

[0015] The utility model has the following beneficial effects:

[0016] This device is arranged at the waste discharge end of the grain processing equipment and is connected to the original air duct pneumatic conveying system of the grain processing production line. Based on the negative pressure provided by the air duct pneumatic conveying system, the processing by-products are guided to flow rapidly to the spiral tube through the guide tube and a vortex is generated in the spiral tube. Based on the centrifugal force generated by it, the particles with small flow resistance are discharged through the exhaust pipe located at a high position and the particles with large flow resistance fall into the sedimentation chamber. The oily, sticky dust particles and large particles are collected at the main machine end and discharged through the dust discharge device, thereby avoiding the blockage of the air duct pneumatic conveying system caused by heavy oil, high viscosity and large particles, effectively reducing the cleaning and maintenance costs, reducing the resistance of the rear section of the air duct pneumatic conveying system, and effectively improving the separation and dust removal efficiency.

[0017] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a front view of a preferred embodiment of the utility model;

[0020] Figure 2 It is a side view of a preferred embodiment of the utility model;

[0021] Figure 3 It is a structural diagram of a preferred embodiment of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the second tube body in a preferred embodiment of the utility model;

[0023] Figure 5 It is a partial structural diagram of a preferred embodiment of the utility model;

[0024] Figure 6 It is a partial structural diagram of a grain processing production line according to a preferred embodiment of the present invention.

[0025] Legend:

[0026] 1. Guide pipe 11, connecting port 12, first tube body 13, first cover plate 14, connecting flange 2, spiral tube 21, settling chamber 22, first curved plate 23, second curved plate 24, second tube body 25, second cover plate 26, observation window 3, exhaust duct 31, air adjustment mechanism 4, ash discharge device 41, air lock 5, grain processing equipment 6, dust collector 7, centrifugal fan 8, adjustment lock. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in a variety of different ways as defined and covered below.

[0028] Figure 1 It is a front view of a preferred embodiment of the utility model; Figure 2 It is a side view of a preferred embodiment of the utility model; Figure 3 It is a structural diagram of a preferred embodiment of the utility model; Figure 4 This is a schematic diagram of the internal structure of the second tube body in a preferred embodiment of the utility model; Figure 5 It is a partial structural diagram of a preferred embodiment of the utility model; Figure 6 It is a partial structural diagram of a grain processing production line according to a preferred embodiment of the present invention.

[0029] like Figures 1 to 5 As shown, the grain processing residue separation and collection device of this embodiment is used to be arranged at the waste discharge end of the grain processing equipment 5 and connected to the air duct pneumatic conveying system of the grain processing production line; the separation and collection device includes a guide pipe 1, the guide pipe 1 includes a connecting port 11 at a low position, the connecting port 11 is used to be connected to the waste discharge end of the grain processing equipment 5, the high position of the guide pipe 1 is connected with a spiral pipe 2, the upper part of the spiral pipe 2 is connected with an exhaust duct 3, and the bottom of the spiral pipe 2 is provided with a sedimentation chamber 21; the guide pipe 1 is used to guide the processing by-products discharged from the waste discharge end of the grain processing equipment 5 to flow through the spiral pipe 2 and based on the centrifugal force generated by the vortex passing through the spiral pipe 2, the particles with small flow resistance are discharged through the exhaust duct 3 and the particles with large flow resistance fall into the sedimentation chamber 21; the bottom of the spiral pipe 2 is connected with an ash discharge device 4 connected to the sedimentation chamber 21.

[0030] Among them, the grain processing equipment 5 includes a horizontal rice mill or a vertical rice mill or a polishing machine;

[0031] It can be understood that this device is arranged at the waste discharge end of the grain processing equipment 5 and is connected to the original duct pneumatic conveying system of the grain processing production line. Based on the negative pressure provided by the duct pneumatic conveying system, the processing by-products are guided to flow quickly to the spiral tube 2 through the guide tube 1 and a vortex is generated in the spiral tube 2. Based on the centrifugal force generated by it, the particles with small flow resistance are discharged through the exhaust pipe 3 located at a high position and the particles with large flow resistance fall into the sedimentation chamber 21. The oily, sticky dust particles and large particles are collected at the main machine end and discharged through the dust discharge device 4, avoiding the blockage of the duct pneumatic conveying system caused by heavy oil, high viscosity, large particles, etc., effectively reducing the cleaning and maintenance costs, reducing the system resistance of the rear section of the duct pneumatic conveying system, and effectively improving the separation and dust removal efficiency.

[0032] In one embodiment, the exhaust duct 3 is provided with an air regulating mechanism 31 for adjusting the air pressure and / or air volume of the exhaust duct 3 to match the physical properties of the processed by-products. The air regulating mechanism 31 is an air regulating door provided in the exhaust duct 3, which can adjust the opening of the internal passage of the exhaust duct 3 to adjust the air volume and air pressure. This limits the physical properties of the particles that can pass through, so that small particles with light oiliness, low viscosity, low flow resistance, and low adhesion to the pipe wall can pass through the exhaust duct 3 to the existing air duct pneumatic conveying system of the grain processing production line.

[0033] Furthermore, the spiral tube 2 includes a first curved plate 22 connected to the guide tube 1 and a second curved plate 23 disposed inside the spiral tube 2 and connected to the guide tube 1. A spiral channel is formed between the first curved plate 22 and the second curved plate 23. The first curved plate 22 is part of the outer shell of the spiral tube 2, and the second curved plate 23 is disposed inside the spiral tube 2. The purpose of controlling the grading capacity can be achieved by controlling the curvature / length of the second curved plate 23.

[0034] Among them, the inlet end of the exhaust duct 3 matches the axial position of the second curved plate 23. The second curved plate 23 is set to a preset arc to limit the processing by-products that can enter the exhaust duct 3. Dust particles with light oiliness and low viscosity and small particles can enter the exhaust duct 3 after the swirl bypasses the second curved plate 23, while dust particles with heavy oiliness and strong viscosity and large particles fall into the sedimentation chamber 21; the effect of controlling and screening processing by-products is achieved through the structural design of the second curved plate 23 and the control of the wind speed by the air regulating mechanism 31.

[0035] In one embodiment, the dust discharge device 4 is provided with an air lock 41 for opening or closing the communication port between the dust discharge device 4 and the sedimentation chamber 21. When the air lock 41 is closed, the classified dust particles are settled in the sedimentation chamber 21. When the air lock 41 is opened, the dust particles can be discharged through the dust discharge device 4.

[0036] In one embodiment, the guide tube 1 includes a first tube body 12 and a first cover plate 13, and the spiral tube 2 includes a second tube body 24 and a second cover plate 25, and the first cover plate 13 and the second cover plate 25 are connected; the first tube body 12 is provided with an adjustment lock buckle 8 for installing the first cover plate 13, and the second tube body 24 is provided with an adjustment lock buckle 8 for installing the second cover plate 25; each cover plate and the tube body are connected in a quick-release manner, which can be disassembled and assembled more flexibly so that the interior of the device can be cleaned in time. The first cover plate 13 of the device is set to multiple pieces, so that the first cover plate 13 at the corresponding position can be disassembled and assembled according to actual needs.

[0037] In one embodiment, the guide tube 1 includes multiple sections of first tube bodies 12 , each of which is provided with a connecting flange 14 at both ends. The first tube body 12 is provided with a multi-section structure, which is easier to disassemble and transport.

[0038] In one embodiment, an observation window 26 is provided on the side wall of the spiral tube 2 away from the grain processing equipment 5 at a position corresponding to the sedimentation chamber 21, so that the collection of particles in the sedimentation chamber 21 can be observed through the observation window 26, and then the opening and closing of the air shutter 41 can be controlled to discharge dust according to the collection situation.

[0039] On the other hand, reference Figure 6 , also provides a grain processing production line, which includes the above-mentioned grain processing residue separation and collection device, and the air duct pneumatic conveying system of the grain processing production line includes a centrifugal fan 7 and a dust collector 6. In order to improve the dust removal effect, two groups of dust collectors 6 can be set to separate medium-oil, medium-viscosity, medium-sized dust particles and low-oil, low-viscosity, small dust particles.

[0040] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A device for separating and collecting grain processing residues, characterized in that: The invention is used to be arranged at the waste discharge end of the grain processing equipment (5) and connected to the air duct pneumatic conveying system of the grain processing production line; the separation and collection device comprises a guide pipe (1), the guide pipe (1) comprises a connection port (11) at a low position, the connection port (11) is used to be connected to the waste discharge end of the grain processing equipment (5), the guide pipe (1) is connected to a spiral pipe (2) at a high position, the upper part of the spiral pipe (2) is connected to an exhaust pipe (3), and the bottom of the spiral pipe (2) is provided with a sedimentation chamber (21); the guide pipe (1) is used to guide the processing by-products discharged from the waste discharge end of the grain processing equipment (5) to flow through the spiral pipe (2) and based on the centrifugal force generated by the vortex passing through the spiral pipe (2), the particles with small flow resistance are discharged through the exhaust pipe (3) and the particles with large flow resistance fall into the sedimentation chamber (21); the bottom of the spiral pipe (2) is connected to an ash discharge device (4) communicated with the sedimentation chamber (21).

2. The food processing residue separation and collection device according to claim 1, characterized in that: The exhaust duct (3) is provided with an air regulating mechanism (31) for regulating the air pressure and / or air volume of the exhaust duct (3) to match the physical properties of the processed by-products.

3. The food processing residue separation and collection device according to claim 1, characterized in that: The ash discharge device (4) is provided with an air shutoff device (41) for opening or closing the communication port between the ash discharge device (4) and the settling chamber (21).

4. The food processing residue separation and collection device according to claim 1, characterized in that: The guide tube (1) comprises a first tube body (12) and a first cover plate (13); the spiral tube (2) comprises a second tube body (24) and a second cover plate (25); the first cover plate (13) and the second cover plate (25) are connected; an adjusting lock buckle (8) for mounting the first cover plate (13) is provided on the first tube body (12); and an adjusting lock buckle (8) for mounting the second cover plate (25) is provided on the second tube body (24).

5. The food processing residue separation and collection device according to claim 4, characterized in that: The guide pipe (1) comprises a plurality of first pipe bodies (12), and both ends of each first pipe body (12) are respectively provided with a connecting flange (14).

6. The device for separating and collecting grain processing residues according to claim 1, characterized in that: An observation window (26) is provided on the side wall of the spiral tube (2) away from the grain processing equipment (5) at a position corresponding to the sedimentation chamber (21).

7. The device for separating and collecting grain processing residues according to any one of claims 1 to 6, characterized in that: The grain processing equipment (5) comprises a horizontal rice milling machine, a vertical rice milling machine or a polishing machine.

8. The device for separating and collecting grain processing residues according to any one of claims 1 to 6, characterized in that: The spiral tube (2) comprises a first curved plate (22) connected to the guide tube (1) and a second curved plate (23) arranged in the spiral tube (2) and connected to the guide tube (1), wherein a spiral channel is formed between the first curved plate (22) and the second curved plate (23).

9. The food processing residue separation and collection device according to claim 8, characterized in that: The inlet end of the exhaust duct (3) matches the axial position of the second curved plate (23), and the second curved plate (23) is arranged in a preset arc to limit the processing by-products that can enter the exhaust duct (3).

10. A grain processing production line, characterized in that: The invention relates to a grain processing residue separation and collection device according to any one of claims 1 to 9.

Images