CN111994544A - Mechanized bulk grain multi-layer warehouse and bulk grain warehousing and discharging method - Google Patents

Abstract

The invention belongs to the technical field of bulk grain storage equipment, and particularly relates to a mechanical bulk grain multi-layer warehouse and a bulk grain warehousing and delivering method, wherein the multi-layer warehouse comprises a multi-layer warehouse body, a warehouse bottom, a warehouse top and a multi-layer inter-warehouse floor slab arranged between the warehouse bottom and the warehouse top; the multi-point discharging conveyor comprises an in-bin multi-point discharging conveyor and a bin top multi-point discharging conveyor, wherein the in-bin multi-point discharging conveyor is arranged below a floor slab between bins of each layer of bins and the bin top, and the bin top multi-point discharging conveyor is arranged above the bin top; and the vertical conveyor is arranged outside the multi-layer cabin body. The multi-layer bin can store packing materials and bulk materials, realizes dual purposes of bulk bag and bulk bag, can realize mechanical grain feeding and discharging during bulk material storage, does not need personnel to be on duty in the bin during the feeding and discharging stages, greatly improves the operation environment, simultaneously realizes 'multi-point feeding and multi-hole discharging', reduces the operation amount of leveling and clearing the bin, and improves the working efficiency.

Description

Mechanized bulk grain multi-layer warehouse and bulk grain warehousing and discharging method

Technical Field

The invention belongs to the technical field of bulk grain storage equipment, and particularly relates to a mechanical bulk grain multi-layer warehouse and a bulk grain warehousing and discharging method.

Background

The multi-layer bin has the advantages of large bin capacity, small floor area, strong applicability, low investment, simple construction and the like, and is a common bin type in the food industry of China. At present, the multi-layer warehouse is mostly used for storing finished packaged grains or other packaged goods and materials due to the limitation of the operating space of the multi-layer warehouse, and the multi-layer warehouse can be used for entering and exiting the warehouse through equipment such as an elevator, a forklift and the like. In recent years, part of multi-layer warehouses begin to store bulk grains, but the operating efficiency is low due to low mechanization degree, the work load of leveling and cleaning the warehouses is large, the labor consumption is high, personnel are required to carry out the on-duty operation in the warehouses when entering and leaving the warehouses, the dust concentration in the warehouses is high, the operating environment is poor, the human health is harmed, and the dust explosion risk exists. Therefore, the development of a multi-layer bin with high mechanization degree and high operation efficiency is urgently needed by the industry.

Disclosure of Invention

The invention aims to provide a mechanized bulk grain multi-layer silo and a bulk grain warehousing and delivery method, aiming at the problems that the existing multi-layer silo is low in mechanization degree, so that the operation efficiency is low, the labor consumption is high, the warehousing and the delivery of the multi-layer silo need personnel to operate on duty in the silo, the concentration of dust in the silo is high, the operation environment is poor, the human health is harmed, the risk of dust explosion exists and the like.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a mechanized bulk grain multi-layer silo, which comprises:

the multi-layer bin body comprises a bin bottom, a bin top and a multi-layer inter-bin floor slab arranged between the bin bottom and the bin top;

the multi-point discharging conveyor comprises an in-bin multi-point discharging conveyor and a bin top multi-point discharging conveyor, wherein the in-bin multi-point discharging conveyor is arranged below a floor slab between bins of each layer of bins and the bin top, and the bin top multi-point discharging conveyor is arranged above the bin top;

the vertical conveyor is arranged outside the multi-layer cabin body;

the discharge port of the bin top multipoint discharging conveyor is connected with the in-bin multipoint discharging conveyor of each layer of bin.

Further, the multi-layer bin further comprises a ventilation ground cage, wherein the ventilation ground cage is arranged on a floor between the bin bottom and the bin and is connected with a ventilation opening outside the bin.

Furthermore, the multi-point discharging conveyor in the bin is provided with an outer bin feeding hole and a plurality of inner bin discharging holes; the bin outer feeding port is connected with a discharge port of the bin top multi-point discharging conveyor through a pipeline and a gate, and is arranged outside the bin and used for receiving materials; the discharging holes in the bins are uniformly distributed at the bottom of the multipoint discharging conveyor in the bins, and the discharging holes in the bins are arranged in the bins and used for feeding and distributing grains.

Furthermore, the multi-layer silo body also comprises a column, a silo door and a silo wall, each layer of silo is divided into four cavities, a multi-point discharging conveyor in the silo is arranged in each cavity, and a plurality of grain discharging holes are arranged on a floor plate between the silos in each cavity.

Furthermore, the multi-point discharging conveyor in the bin is provided with bin feed inlets with the same number of grain outlet holes on the floor between the bins of each time, and the bin feed inlets are correspondingly connected with the grain outlet holes of the floor between the bins above through pipelines and gates one by one and used for receiving the materials in the bin of the previous layer.

Furthermore, the multi-point discharging conveyor in the bin is also provided with a discharge hole outside the bin for discharging grains.

Furthermore, a feed inlet is formed in the lower portion of the vertical conveyor, materials enter through the feed inlet and are lifted to the bin top, flow out through a discharge outlet in the upper portion, and enter the feed inlet of the bin top multi-point discharging conveyor through the chute.

Further, the multi-point discharging conveyor at the top of the bin is a scraper conveyor, the multi-point discharging conveyor in the bin is a pipe chain conveyor, and the vertical conveyor is a bucket elevator.

Further, the multi-point discharging conveyor in the bin comprises a driving device, and the driving device is arranged outside the bin.

The invention also provides a bulk grain warehousing and discharging method utilizing the mechanical bulk grain multi-layer warehouse, which comprises the following steps:

when the materials are fed into the bin, the materials enter a feeding hole of the vertical conveyor, and after being lifted, the materials reach a discharge hole at the upper part and enter a feeding hole of the multi-point discharging conveyor at the top of the bin through the chute;

the materials enter a bin outer feeding hole of the multipoint discharging conveyor in the bin from a discharging hole of the multipoint discharging conveyor at the top of the bin through a pipeline and are conveyed into the bin;

the materials flow out of a plurality of bin discharge ports and enter the bins for distribution;

when discharging, the materials flow out through a plurality of grain outlet holes on the floor slab between the bins, enter the bin feed inlet of the bin multipoint discharging conveyor positioned below, and are conveyed out of the bins through the bin multipoint discharging conveyor;

flows out of a discharge port outside the bin, is conveyed to a first layer through a chute and is loaded into a bulk grain vehicle through a dust suppression hopper.

Compared with the prior art, the invention has the following advantages:

the mechanized bulk grain multi-layer storehouse comprises a multi-layer storehouse body for storing bulk grains, a multi-point discharging conveyor in the storehouse, a multi-point discharging conveyor on the top of the storehouse, a vertical conveyor, a matched pipeline, a gate and the like for realizing mechanized grain inlet and outlet of the multi-layer storehouse, can realize mechanized grain inlet and outlet, does not need personnel to be operated on duty in the storehouse in most of the time of the grain inlet and outlet stages, greatly improves the operating environment, simultaneously realizes 'multi-point feeding and multi-hole discharging', is more uniform in grain inlet and outlet, reduces the operation amount of flattening and clearing the storehouse, and improves the working efficiency. And the driving device and key components of the mechanical equipment used in the multilayer bin are arranged outside the bin, so that the influence of dust in the bin and gas-conditioned or fumigated gas is avoided, the system stability is greatly improved, the overhaul and maintenance are convenient, and the dust explosion danger is avoided.

Drawings

In order to more clearly illustrate the technical solutions of 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 for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a one-level plan view of a mechanized bulk grain multi-silo of an embodiment of the present invention;

FIG. 2 is a plan view of a multi-discharge conveyor in a mechanized bulk grain multi-silo of an embodiment of the present invention;

FIG. 3 is a plan view of two or three levels of a mechanized bulk grain multi-tiered silo according to an embodiment of the present invention;

FIG. 4 is a top plan view of a mechanized bulk grain multi-tiered silo of an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line 1-1 of FIG. 1;

3 FIG. 3 6 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3

Fig. 7 is a schematic structural view of a mechanized bulk grain multi-deck silo of an embodiment of the present invention.

The reference numbers in the figures denote:

1. the device comprises a column, 2, a bin door, 3, a bin wall, 4, a bin bottom, 5, a floor between the bins, 6, a bin top, 7, a ventilation ground cage, 8, a ventilation opening, 9, a grain outlet, 10, a pipe chain machine, 11, a scraper machine, 12, a bucket elevator, 13, a chute, 14, a three-way valve, 15, an external bin feed inlet, 16, an internal bin discharge outlet, 17, a grain loading line, 18, an internal bin feed inlet, 19, an external bin discharge outlet, 20, a dust suppression hopper, 21, a grain scattering vehicle, 22, residual grain, 23, a feed inlet of the bucket elevator, 24, a discharge outlet of the bucket elevator, 25, a feed inlet of the scraper machine, 26, a discharge outlet of the scraper machine and 27, and a driving device.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments.

As shown in fig. 1 to 7, the mechanized bulk grain multi-layer silo of the present embodiment is a three-layer rectangular multi-layer silo, each of which is divided into four compartments, and includes a multi-layer silo body for storing bulk grains, a multi-point discharging conveyor for realizing mechanized grain feeding and discharging of the multi-layer silo, a vertical conveyor, and a pipeline, a gate and the like; the multi-layer bin body comprises a column 1, a bin door 2, a bin wall 3, a bin bottom 4, a bin top 6 and a floor 5 between two layers of bins, wherein the floor is arranged between the bin bottom 4 and the bin top 6; the multi-point discharging conveyor comprises an in-bin multi-point discharging conveyor and a bin top multi-point discharging conveyor, and all comprises a driving device 27, a feeding port, a discharging port and the like, wherein the in-bin multi-point discharging conveyor is installed below a floor 5 and a bin top 6 between bins of each layer of bin, the driving device 27 of the in-bin multi-point discharging conveyor is arranged outside the bin and cannot be influenced by dust in the bin and air-conditioned or fumigated gas, the multi-point discharging conveyor is convenient to overhaul and maintain, the feeding port and the discharging port are partially arranged in the bin and partially arranged outside the bin, the bin top multi-point discharging conveyor is installed above the bin top 6, and the vertical conveyor is arranged outside the bins of the multiple layers of bins. As shown in fig. 1 and 3, the ventilation ground cage 7 is installed on the bottom 4 of the silo and the floor 5 between the silos and is connected with a ventilation opening 8 outside the silo, a multi-point discharging conveyor in the silo is arranged in each silo, and 10 grain outlet holes 9 are arranged on the floor 5 between the silos in each silo. In the preferred embodiment, the multi-point discharging conveyor at the top of the bin is a scraper conveyor 11, the multi-point discharging conveyor in the bin is a pipe chain conveyor 10, and the vertical conveyor is a bucket elevator 12.

As shown in fig. 4, the discharge port 24 of the bucket elevator is connected with the feed port 25 of the scraper via a pipeline, the material enters from the feed port 23 of the bucket elevator and is lifted to the top 6 of the bin, flows out from the discharge port 24 of the bucket elevator, passes through the chute 13 and enters the feed port 25 of the scraper, the number of the discharge ports 26 of the scraper is 4, and the discharge ports correspond to four scraper chain conveyors 10 in each layer.

As shown in fig. 2, each pipe chain machine 10 has 1 out-of-bin feed port 15, 8 in- bin discharge ports 16, 10 in-bin feed ports 18, and 1 out-of-bin discharge port 19; feed inlet 15 outside the storehouse is connected with scraper blade's discharge gate 26 through pipeline and gate for receive the material, discharge gate 16 evenly distributed is in the bottom of pipe chain machine 10 in 8 storehouses, be used for feeding the grain cloth at this layer, feed inlet 18 equals with the grain hole 9 quantity of going out on the floor 5 between every car between the storehouse in the storehouse 18, feed inlet 18 is connected through the grain hole 9 one-to-one of floor 5 between pipeline and gate and the storehouse of top in the storehouse, be used for receiving the material in the one deck storehouse, discharge gate 19 is used for going out the grain outside the storehouse.

The working principle is as follows:

as shown in fig. 5 and 7, when grain is fed into a multi-layer bin, the material enters through a feed inlet 23 of a bucket elevator, is lifted to a bin top 6, flows out through a discharge outlet 24 of the bucket elevator, enters through a chute 13 to a feed inlet 25 of a scraper, flows out from a specified discharge outlet 26 of the scraper as required, enters through a three-way valve 14 and the chute 13 to an out-bin feed inlet 15 of a pipe chain machine 10, the pipe chain machine 10 conveys the material into the bin, the material is distributed in the bin through an in-bin discharge outlet 16, 8 in-bin discharge outlets 16 are arranged between every two adjacent rows of the pipe chain machine 10, the grain in the bin is uniformly distributed by controlling the opening and closing of the in-bin discharge outlets 16, finally, the grain in the bin is shown as a grain loading line 17, and the grain is fed into the bin by workers for.

When discharging grains, the grains automatically slide through the grain discharging holes 9 to enter the in-bin feeding holes 18 of the pipe chain machine 10 arranged below the floor 5 between the layers of bins, are conveyed to the outside of the bins through the pipe chain machine 10, flow out of the out-bin discharging holes 19, are conveyed to one layer through the chute 13, and are loaded into the grain scattering vehicle 21 through the dust suppression hopper 20. A small amount of residual grains 22 in the grain self-sliding grain-discharging rear bin are collected to the grain discharging holes 9 through manual work or other mechanical equipment, and finally, all grains are discharged. And the multi-layer bin one layer is provided with a bin door 2 for the mobile equipment and the loader to enter and exit, and the materials can be directly discharged into the bin by the mobile equipment.

The embodiment also provides a bulk grain warehousing and discharging method utilizing the mechanical bulk grain multi-layer warehouse, which specifically comprises the following steps:

when the materials enter the bin, the materials enter a feeding hole 23 of a bucket elevator, are lifted to reach a discharging hole at the upper part and enter a feeding hole 25 of a scraper conveyor through a chute 13;

enters the feed inlet 15 outside the bin of the pipe chain machine 10 from the discharge hole 26 of the scraper machine through a pipeline and is conveyed into the bin;

the materials flow out of a plurality of bin inner discharge ports 16 of the pipe chain machine 10 and enter the bin, so that the purpose of feeding and distributing the materials is achieved.

When discharging, the materials flow out through a plurality of grain outlet holes 9 on the floor 5 between the warehouses, enter a warehouse inlet 18 of a pipe chain machine 10 positioned below, and are conveyed to the outside of the warehouse through the pipe chain machine 10;

the materials flow out from a discharge port 19 outside the bin and are conveyed to a layer through the chute 13 for loading or other distribution, so as to achieve the purpose of delivery. The materials in the first layer of bin can be directly discharged from the bin by using a loader.

Of course, the invention is not limited to the above form, and the size, the time-consuming number and the number of layers of the multi-layer bin, the number of the bin top and the multi-point discharging conveyors in the bin, the number and the size of the material inlet and the material outlet, and whether the fumigation (air conditioning) pipeline, the side wall distribution device and the refrigeration equipment are equipped or not can be set according to the needs. The pipe chain machine can also be a scraper machine or other multi-point unloading equipment, the bin top scraper machine can also be a pipe chain machine or other multi-point unloading equipment, if other conveying equipment directly conveys materials to the bin top multi-point unloading conveyor, a bucket elevator can also not be arranged, and the bucket elevator can also be a vertically arranged pipe chain machine.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. A mechanized bulk grain multi-silo, comprising:

the multi-layer bin body comprises a bin bottom, a bin top and a multi-layer inter-bin floor slab arranged between the bin bottom and the bin top;

the multi-point discharging conveyor comprises an in-bin multi-point discharging conveyor and a bin top multi-point discharging conveyor, wherein the in-bin multi-point discharging conveyor is arranged below a floor slab between bins of each layer of bins and the bin top, and the bin top multi-point discharging conveyor is arranged above the bin top;

the vertical conveyor is arranged outside the multi-layer cabin body;

the discharge port of the bin top multipoint discharging conveyor is connected with the in-bin multipoint discharging conveyor of each layer of bin.

2. The mechanized bulk grain multi-storey bunker of claim 1, further comprising a ventilation ground cage disposed on the bottom of the bunker and on the floor between the bunkers and connected to the ventilation opening outside the bunker.

3. The mechanized bulk grain multi-tiered bunker of claim 1 wherein the in-bunker multi-discharge conveyor is provided with an out-bunker feed inlet and a plurality of in-bunker discharge outlets; the bin outer feeding port is connected with a discharge port of the bin top multi-point discharging conveyor through a pipeline and a gate, and is arranged outside the bin and used for receiving materials; the discharging holes in the bins are uniformly distributed at the bottom of the multipoint discharging conveyor in the bins, and the discharging holes in the bins are arranged in the bins and used for feeding and distributing grains.

4. The mechanized bulk grain multi-storey silo of claim 1, wherein the multi-storey silo body further comprises columns, silo doors and silo walls, each silo is divided into four bays, each bay is provided with an in-silo multi-point discharge conveyor, and a plurality of grain outlets are arranged on the floor of each bay.

5. The mechanized bulk grain multi-layer silo according to claim 4, wherein the multi-point discharging conveyor in the silo is provided with the same number of silo feeding holes as the grain discharging holes on the silo floor between each nest, and the silo feeding holes are correspondingly connected with the grain discharging holes on the upper silo floor between the nests one by one through pipelines and gates and used for receiving the material in the silo of the previous layer.

6. The mechanized bulk grain multi-layer silo of claim 5, wherein the in-silo multi-point discharge conveyor is further provided with an out-silo discharge port for discharging grain.

7. The mechanized bulk grain multi-storey silo of claim 1, wherein the vertical conveyor has a feed inlet at a lower portion thereof through which material enters and rises to the top of the silo, exits through an upper discharge outlet, and enters the feed inlet of the multi-point discharge conveyor at the top of the silo through the chute.

8. The mechanized bulk grain multi-tiered bunker of claim 1 wherein the top multi-discharge conveyor is a scraper conveyor, the in-bunker multi-discharge conveyor is a pipe chain conveyor, and the vertical conveyor is a bucket elevator.

9. The mechanized bulk grain multi-deck bin of claim 1, wherein the in-bin multi-discharge conveyor comprises a drive device disposed outside the bin.

10. A bulk warehousing and discharging method using the mechanized bulk multi-layer silos of any of claims 1 to 9, comprising the steps of:

when the materials are fed into the bin, the materials enter a feeding hole of the vertical conveyor, and after being lifted, the materials reach a discharge hole at the upper part and enter a feeding hole of the multi-point discharging conveyor at the top of the bin through the chute;

the materials enter a bin outer feeding hole of the multipoint discharging conveyor in the bin from a discharging hole of the multipoint discharging conveyor at the top of the bin through a pipeline and are conveyed into the bin;

the materials flow out of a plurality of bin discharge ports and enter the bins for distribution;

when discharging, the materials flow out through a plurality of grain outlet holes on the floor slab between the bins, enter the bin feed inlet of the bin multipoint discharging conveyor positioned below, and are conveyed out of the bins through the bin multipoint discharging conveyor;

flows out of a discharge port outside the bin, is conveyed to a first layer through a chute and is loaded into a bulk grain vehicle through a dust suppression hopper.

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