Anti-grading device capable of suppressing dust and reducing breakage

Abstract

The utility model discloses an anti-grading device capable of suppressing dust and reducing breakage. The anti-grading device comprises a central material distributing hopper, a plurality of material distribution grooves communicated with the central material distribution hopper are obliquely and uniformly distributed in the side wall of the central material distribution hopper in the circumferential direction, and a first control valve assembly used for controlling connection and disconnection of the material distribution hopper and the central material distribution hopper is arranged at the communication position of the central material distribution hopper and the material distribution grooves; the bottom of the center material distributing hopper and the bottom of the material distributing groove communicate with first discharging mechanisms with the dust suppression function, and the multiple first discharging mechanisms at the bottom of the material distributing groove are evenly distributed in the length direction of the material distributing groove. By designing a combined structure of the central material distributing hopper and the plurality of material distributing grooves and arranging the first discharging mechanism and the second discharging mechanism which have the dust suppression function, not only can the grading phenomenon of grains be effectively improved, but also dust generated in the grain warehousing process is reduced, the dust suppression effect is remarkably improved, and the grain warehousing efficiency is improved. The working environment is improved, the health of operators is protected, and the risk of dust explosion is reduced to a great extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to grain storage equipment technical field especially is related to a dust suppression and broken anti -classification device of preventing. BACKGROUND

[0002] In the grain storage equipment technical field, at present, the method of putting grain into the warehouse mostly adopts conveying machinery to carry out the warehousing operation of grain from the top of the warehouse, and the following problems will be caused in the warehousing process:

[0003] 1. automatic classification of grain;

[0004] 2. broken problem caused by impact and splashing of grain;

[0005] 3. a large amount of dust in the warehouse.

[0006] Because of the classification and broken problem in the process of putting grain into the warehouse, the quality classification, impurity aggregation and poor permeability of grain in the warehouse are caused, and further, the problems such as grain hardening, local temperature rise and shortening of safe storage period are caused; because of the dust problem in the process of putting grain into the warehouse, the monitoring in the process in the warehouse does not work, and the monitoring in the warehouse can be carried out only after 1-2 days of standing after the process of putting grain into the warehouse is completed, in addition, the high concentration and closed dust environment in the process of putting grain into the warehouse is the necessary condition for causing dust explosion. For a long time, the above three problems are the problems that the grain storage system urgently needs to solve.

[0007] Therefore, it is necessary to design a dust suppression and broken anti-classification device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0008] The utility model aims at the deficiencies of prior art, and provides a dust suppression and broken anti-classification device

[0009] The technical scheme of the utility model is: a dust suppression and broken anti-classification device, which comprises a center distribution hopper; the side wall of the center distribution hopper is inclined along the circumference and is uniformly provided with a plurality of distribution grooves in communication with the center distribution hopper, and a first control valve assembly for controlling the on-off of the distribution hopper and the center distribution hopper is arranged at the communication position of the center distribution hopper and the distribution groove; the bottom of the center distribution hopper and the bottom of the distribution groove are both communicated with a first discharging mechanism with dust suppression function, and a plurality of first discharging mechanisms are uniformly distributed along the length direction of the distribution groove; a second control valve assembly for controlling the on-off of the first discharging mechanism and the distribution groove is arranged at the communication position of the distribution groove and the first discharging mechanism; and the end of the distribution groove is further communicated with a second discharging mechanism with dust suppression function.

[0010] The outlets of the first discharging mechanism and the second discharging mechanism are all on the same horizontal plane.

[0011] The first control valve assembly includes a baffle hinged to the connection between the distributing hopper and the distributing trough; a first drive cylinder is hinged to the top of the distributing hopper; a connecting rod is fixed on the baffle; and the other end of the connecting rod is hinged to the movable end of the first drive cylinder.

[0012] The second control valve assembly includes a second drive cylinder and a tilting plate mounted on a rotating shaft at the junction of the material distribution trough and the first feeding mechanism; a swing arm is fixed on the rotating shaft; the cylinder body of the second drive cylinder is hinged to the side wall of the material distribution trough, and the movable end is hinged to the end of the swing arm.

[0013] The first feeding mechanism includes a feeding pipe arranged in a vertical direction; the bottom of the feeding pipe is provided with a straight-through dust suppression hopper that communicates with the feeding pipe.

[0014] The second feeding mechanism is a Y-shaped dust suppression hopper.

[0015] The central distribution hopper has a regular hexagonal cross-section; the central distribution hopper is respectively located on the six faces of the central distribution hopper.

[0016] By adopting the above technical solution, the present invention has the following beneficial effects: (1) The present invention, by designing a combination structure of a central hopper and multiple troughs, and equipping a first feeding mechanism and a second feeding mechanism with dust suppression function, can not only effectively improve the grading of grain, but also reduce the dust generated during the grain loading process, significantly improve the dust suppression effect, help improve the working environment, protect the health of operators, and greatly reduce the risk of dust explosion.

[0017] (2) The uniform distribution design of the central feeding hopper and feeding trough of this utility model enables the material to be evenly distributed to each feeding trough, avoiding the impact and breakage caused by the concentrated falling of the material at a single feeding point; at the same time, the reasonable layout and dust suppression design of the first feeding mechanism and the second feeding mechanism further reduce the breakage of the material during the falling process and ensure the quality of the material.

[0018] (3) This utility model achieves flexible adjustment of material feeding speed and flow rate by precisely controlling the opening and closing of the first control valve assembly and the second control valve assembly. This design not only helps to optimize the material handling process and improve production efficiency, but also allows for adjustment of material distribution and discharge according to actual needs, meeting different production requirements.

[0019] (4) The first control valve assembly and the second control valve assembly of this utility model adopt mechanical structures such as drive cylinder and tilting plate to realize precise control of material flow and cut-off, while ensuring the stability and durability of the device. In addition, the inclined design of the central hopper and the trough, as well as the reasonable layout of the feeding mechanism, also help to reduce the retention and blockage of materials in the device, and improve the reliability and service life of the device.

[0020] (5) The first and second discharging mechanisms of the utility model both reduce the discharging height of the grain, so that the discharging height is reduced to the lowest position, and the grain breakage is effectively reduced.

[0021] (6) The first and second discharging mechanisms of the utility model are arranged, so that the grain is always in the plumb state, the phenomenon that the grain flow impacts the shallow silo sidewall during the parabolic falling process is effectively avoided, and the grain breakage is maximally reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to make the content of the utility model more easily and clearly understood, the utility model will be further described in detail below according to specific embodiments and in combination with the drawings.

[0023] Figure 1 The figure is a structural schematic view of the utility model.

[0024] Figure 2 The figure is a top view of the utility model.

[0025] Figure 3 The figure is a structural schematic view of the central distribution hopper of the utility model.

[0026] Figure 4 The figure is a structural schematic view of the powder tank of the utility model.

[0027] Figure 5 The figure is a structural schematic view of the first discharging mechanism of the utility model.

[0028] Figure 6 The figure is a structural schematic view of the second discharging mechanism of the utility model.

[0029] The numbers in the drawings are:

[0030] Central distribution hopper 1, distribution tank 2, first control valve assembly 3, baffle 3-1, first driving cylinder 3-2, connecting rod 3-3, first discharging mechanism 4, discharging pipe 4-1, straight-through type dust suppression hopper 4-2, second control valve assembly 5, second driving cylinder 5-1, rotating shaft 5-2, turnover plate 5-3, swing arm 5-4, second discharging mechanism 6. DETAILED DESCRIPTION

[0031] (Example 1)

[0032] See Figures 1 to 6The dust suppression and crushing prevention grading device of the embodiment comprises a center distribution hopper 1; the side wall of the center distribution hopper 1 is circumferentially inclined and uniformly distributed with a plurality of distribution grooves 2 in communication with the center distribution hopper 1, and the center distribution hopper 1 is provided with a first control valve assembly 3 for controlling the on-off of the distribution hopper and the center distribution hopper 1 at the communication position of the center distribution hopper 1 and the distribution groove 2; the bottom of the center distribution hopper 1 and the bottom of the distribution groove 2 are both communicated with a first discharging mechanism 4 with dust suppression function, and the first discharging mechanism 4 at the bottom of the distribution groove 2 is uniformly distributed along the length direction of the distribution groove 2; the communication position of the distribution groove 2 and the first discharging mechanism 4 is provided with a second control valve assembly 5 for controlling the on-off of the first discharging mechanism 4 and the distribution groove 2; and the end of the distribution groove 2 is further communicated with a second discharging mechanism 6 with dust suppression function.

[0033] Further, the outlets of the first discharging mechanism 4 and the second discharging mechanism 6 are all on the same horizontal plane, and the outlets of the first discharging mechanism 4 and the second discharging mechanism 6 can be set on the grain loading line according to the actual grain loading height, so as to reduce the grain discharging height, so that the grain discharging height is reduced to the lowest position, and the grain crushing is effectively reduced.

[0034] Further, in order to facilitate the control of the material flow in the distribution groove 2, the first control valve assembly 3 comprises a baffle 3-1 hinged at the communication position of the distribution hopper and the distribution groove 2; the top of the distribution hopper is hinged with a first driving air cylinder 3-2; the baffle 3-1 is fixed with a connecting rod 3-3; and the other end of the connecting rod 3-3 is hinged with the movable end of the first driving air cylinder 3-2.

[0035] Further, in order to facilitate the control of the flow of the second discharging mechanism 6, the second control valve assembly 5 comprises a second driving air cylinder 5-1 and a turnover plate 5-3 installed at the communication position of the distribution groove 2 and the first discharging mechanism 4 through a rotating shaft 5-2; the rotating shaft 5-2 is fixed with a swing arm 5-4; and the cylinder body end of the second driving air cylinder 5-1 is hinged on the side wall of the distribution groove 2, and the movable end is hinged with the end of the swing arm 5-4.

[0036] Further, the first discharging mechanism 4 comprises a discharging pipe 4-1 arranged in the vertical direction; and the bottom of the discharging pipe 4-1 is provided with a straight-through type dust suppression hopper 4-2 in communication with the discharging pipe 4-1.

[0037] Further, the second discharging mechanism 6 is a Y-shaped dust suppression hopper.

[0038] Further, the cross section of the center distribution hopper 1 is a regular hexagon; the center distribution hopper 1 is respectively arranged on the six faces of the center distribution hopper 1; and the bottom of the distribution groove 2 is provided with two discharging mechanisms, so that the device has 19 evenly distributed falling points, effectively avoiding the grain grading phenomenon.

[0039] The dust-suppression and breakage-reduction anti-classification device of the embodiment can well solve the problem of dust drifting in the process of grain entering the warehouse, and greatly reduce the risk of dust explosion.

[0040] Because the whole process of grain entering the warehouse is clean and dust-free, the central control personnel can monitor the grain entering state in the warehouse in real time, and can control artificially in the first time when an emergency occurs, and greatly improve the scanning and detection accuracy of the matching material level device, radar and various components in the warehouse.

[0041] In addition, the dust-suppression and breakage-reduction anti-classification device of the embodiment can prevent material impact on the sidewall of the shallow silo, effectively reduce grain breakage; at the same time, the 19 dropping points are all located at the grain loading line position, and the dropping height is all lowered to the lowest position, further reducing the grain breakage; during the grain entering process, the grain column is compact, further avoiding the breakage problem in the grain flow drifting process; the grain flow always presents a plumb state, effectively avoiding the phenomenon of grain flow impacting the sidewall of the shallow silo during the parabolic falling process, and greatly reducing the grain breakage.

[0042] In summary, the dust-suppression and breakage-reduction anti-classification device of the embodiment has significant advantages in dust suppression effect, material breakage rate, processing efficiency, stability and durability, etc., and provides an efficient, environmentally friendly and reliable solution for the grain entering process.

[0043] The above specific embodiments further illustrate the purpose, technical solutions and advantages of the utility model, and it should be understood that the above description is only for specific embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A de-dusting and de-fragmenting anti-classifier device, characterized by: The application relates to a center distribution hopper (1); the side wall of the center distribution hopper (1) is circumferentially inclined and uniformly distributed with a plurality of distribution grooves (2) communicated with the center distribution hopper (1), and a first control valve assembly (3) for controlling the on-off of the distribution hopper and the center distribution hopper (1) is arranged at the communication position of the center distribution hopper (1) and the distribution groove (2); the bottom of the center distribution hopper (1) and the bottom of the distribution groove (2) are communicated with a first discharging mechanism (4) with dust suppression function, and a plurality of first discharging mechanisms (4) with dust suppression function are uniformly distributed along the length direction of the distribution groove (2); a second control valve assembly (5) for controlling the on-off of the first discharging mechanism (4) and the distribution groove (2) is arranged at the communication position of the distribution groove (2) and the first discharging mechanism (4); the end of the distribution groove (2) is further communicated with a second discharging mechanism (6) with dust suppression function.

2. A de-dusting and de-fragmenting anti-classifier device according to claim 1, characterized in that: The outlet of the first discharging mechanism (4) and the second discharging mechanism (6) is on the same horizontal plane.

3. A de-dusting and de-fragmenting anti-classifier device according to claim 1, wherein: The first control valve assembly (3) comprises a baffle (3-1) hinged at the communication position of the distribution hopper and the distribution groove (2); the top of the distribution hopper is hinged with a first driving cylinder (3-2); the baffle (3-1) is fixed with a connecting rod (3-3); the other end of the connecting rod (3-3) is hinged with the movable end of the first driving cylinder (3-2).

4. A de-dusting and de-fragmenting anti-classifier device according to claim 1, wherein: The second control valve assembly (5) comprises a second driving cylinder (5-1) and a turnover plate (5-3) installed at the communication position of the distribution groove (2) and the first discharging mechanism (4) through a rotating shaft (5-2); the rotating shaft (5-2) is fixed with a swing arm (5-4); the cylinder body end of the second driving cylinder (5-1) is hinged on the side wall of the distribution groove (2), and the movable end is hinged with the end of the swing arm (5-4).

5. A dust suppressing and breakage reducing anti-ratholing device according to claim 1, wherein: The first discharging mechanism (4) comprises a discharging pipe (4-1) arranged in the vertical direction; the bottom of the discharging pipe (4-1) is provided with a straight-through type dust suppression hopper (4-2) communicated with the discharging pipe (4-1).

6. A dust suppressing and breakage reducing anti-ratholing device according to claim 1, wherein: The second discharging mechanism (6) is a Y-shaped dust suppression hopper.

7. A dust suppressing and breakage reducing anti-ratholing device according to claim 1, characterized in that: The cross section of the center distribution hopper (1) is a regular hexagon; the center distribution hopper (1) is arranged on the six faces of the center distribution hopper (1) respectively.

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