KR20150134907A

KR20150134907A - raw material transfer and loading system

Info

Publication number: KR20150134907A
Application number: KR1020140062335A
Authority: KR
Inventors: 황종덕
Original assignee: 우민기술(주)
Priority date: 2014-05-23
Filing date: 2014-05-23
Publication date: 2015-12-02
Also published as: KR101603525B1

Abstract

The present invention relates to a raw material transferring and loading system. The raw material transferring and loading system includes: a main silo in which a fixed quantity feeder is installed; one or more transfer tanks connected to the main silo and discharging a raw material using an air pressure; a direction switching valve connected to an outlet of the transfer tank and including an inlet and multiple outlets; a sub silo connected to the each outlet of the direction switching valve through a transfer pipe; a control unit controlling operation of the fixed quantity feeder, an air tank supplying air to the transfer tank, and the direction switching valve; and a tornado pump installed between the transfer tank and the direction switching valve and rotating the raw material discharged from the transfer tank in a vortex form. The raw material discharged from the transfer tank of the main silo is rotated and transferred in the vortex form so that the raw material is smoothly transferred to and loaded on the sub silo.

Description

[0002] RAW MATERIAL TRANSFER AND LOADING SYSTEM [0003]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a raw material transferring and loading system, and more particularly, to transferring and loading a granular raw material filled in a main silo into a plurality of sub-silos through a transfer tank, a supply switching valve,

Generally, particulate raw materials such as powdery powders of small particulates are loaded into a main silo after being transported by a transportation means such as a vehicle, and the raw materials of the main silo are transported to a plurality of sub-silos remotely located and loaded.

The raw material transferring and loading system for transferring the raw materials of the main silo to the remote sub-silo as described above uses a transfer tank for transferring raw materials mainly using air pressure.

The following Patent Document 1 discloses an apparatus for continuously measuring input raw materials by weight and continuously feeding by air pressure. In the following Patent Document 2, there is disclosed an apparatus for feeding a granular material such as grain or synthetic resin fillet A rotary feeder apparatus for a rotary feeder is disclosed.

The raw material feed device of Patent Document 1 or the rotary feeder device of Patent Document 2 feeds the raw material of grain or other particulate material through the pressure of air.

Korean Patent Publication No. 10-2004-0105708 (published on December 16, 2004) Korean Patent Publication No. 10-1999-0073304 (published on October 5, 1999)

However, in the material conveying and loading system according to the prior art including the patent documents 1 and 2, there is a problem that the material to be discharged from the transfer tank is conveyed in a linear direction parallel to the conveying pipe, so that the conveyance of the raw material is not smooth.

In addition, in the feedstock transporting and stacking system according to the related art, there is a problem that the feedstock is not smoothly conveyed or the feedstock is stopped because the feedstock is stagnated and stagnated in the feedstock pipe during the feedstock transferring process.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems of the prior art, and it is an object of the present invention to provide an apparatus and a method for efficiently transporting granular materials filled in a main silo to a plurality of sub silos located remotely through a transfer tank using air pressure And to provide a feedstock transfer and loading system.

In order to accomplish the above object, a feedstock transfer and loading system according to the present invention comprises a main silo furnished with a quantitative feeder; At least one transfer tank connected to the main silo and discharging the raw material using the pressure of air; A direction switching valve connected to a discharge port of the transfer tank and having one inlet and a plurality of discharge ports; A sub-silo connected to each discharge port of the directional control valve through a transfer pipe; An air tank for supplying air to the transfer tank, and a control unit for controlling the operation of the directional switching valve.

The raw material transfer and loading system according to the present invention is characterized by including a tornado pump installed between the transfer tank and the direction switching valve and rotating the raw material discharged from the transfer tank in a swirl mode.

The raw material conveying and loading system according to the present invention is characterized by including a plug generator connected to each discharge port of the supply switching valve and additionally providing a strong air pressure periodically to the conveyed raw material.

The raw material transfer and loading system according to the present invention is characterized in that the raw material transferring and connecting system in which the tornado pump is connected to the transfer tank and the air supply pipe through a connection flange provided on the outer periphery; An air injection ring which is formed on an outer periphery of a discharge side of the raw material feed pipe and in which a plurality of slanted slits are radially arranged; An air supply pipe connected to the raw material feed pipe and the vortex generation pipe through connection flanges provided on both sides of the outer periphery and having an air supply hole formed at the center of the outer periphery; And a vortex generation pipe connected to the air supply pipe and the supply switching valve through connection flanges provided on both outer circumferences.

The raw material transfer and loading system according to the present invention is characterized in that the raw material supply pipe is provided with a connection flange in which the plug generator is connected to the supply switching valve on the outer side on the inflow side and the discharge side is inserted into the air supply pipe; An air charging part having an air inlet hole on the outer periphery of the air supply pipe of the plug generator and an inner diameter larger than an outer diameter of the material supply pipe; A raw material feeder having an inner diameter equal to an inner diameter of the feed pipe; And an inclined portion provided between the air charging portion and the raw material conveying portion.

Since the raw material discharged through the transfer tank of the main silo is rotationally transferred by the tornado pump into the vortex type, the raw material can be transferred to the sub silo more efficiently and can be loaded quickly .

Further, according to the material transfer and loading system of the present invention, by providing the additional air pressure periodically to the material transferred through the plug generator connected to the discharge port of the supply switching valve, the material is smoothly transferred .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a configuration diagram of a raw material transfer and loading system according to a preferred embodiment of the present invention;
FIG. 2 is a control block diagram of the material transfer and loading system according to the preferred embodiment.
3 is a block diagram of a raw material conveying and loading system according to the preferred embodiment,
4 is an exploded longitudinal cross-sectional view of a tornado pump of the feedstock transfer and loading system according to the preferred embodiment,
FIG. 5 is an engaging longitudinal section of a tornado pump of the raw material transfer and loading system according to the presently preferred embodiment,
FIG. 6 is a front view of the air injection ring of the tornado pump of the raw material transfer and loading system according to the presently preferred embodiment,
7 is an enlarged exploded view of the air injection ring of the tornado pump of the raw material transfer and loading system according to the presently preferred embodiment,
8 is an exploded longitudinal sectional view of the plug generator of the material transfer and loading system according to the preferred embodiment,
Fig. 9 is an assembled longitudinal cross-sectional view of a plug generator of the material transfer and loading system according to the preferred embodiment; Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a raw material transfer and loading system according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In the following, the terms "upward", "downward", "forward" and "rearward" and other directional terms are defined with reference to the states shown in the drawings.

FIG. 1 is a schematic structural view of a raw material transfer and loading system according to a preferred embodiment of the present invention, and FIG. 2 is a control configuration diagram of a raw material transfer and loading system according to the preferred embodiment of the present invention.

1, a raw material transfer and loading system 100 according to a preferred embodiment of the present invention includes a main silo 110, a transfer tank 120, a direction switching valve 130, a sub silo 140, a control unit 150 ).

The main silo 110 is provided with a quantitative feeder 220 for supplying a certain amount of raw material to the transfer tank 120 by filling the granular raw material to be fed to each sub-silo 140.

The main silo 110 may include a plurality of main silos 110, and the main silos 110 may be filled with different raw materials.

The transfer tank 120 mixes a predetermined amount of raw material supplied from the main silo 110 with air and discharges the raw silo to the sub silo 140. A plurality of the transfer silo 110 are installed in the main silo 110.

The silo transfer tank 120 and the quantitative feeder 220 are publicly known in the technical field of the present invention, so that detailed description of the technical structure and operation thereof will be omitted.

The directional control valve 130 is connected to the discharging portion of the transfer tank 120 so as to switch the supply direction of the raw material.

The supply switching valve 130 has one inlet and a plurality of outlets to supply the raw material to one of the plurality of sub-silos 140 selected.

When the supply switching valve 130 is a three-way valve having one inlet and two outlets, two sub-silos 140 can be connected to one transfer tank 120, and one inlet and three outlets Three branch silos 140 can be connected to one transfer tank 120 in the case of a four-way valve.

The sub silo 140 is connected to the discharge port of the supply switching valve 130 through a transfer pipe 160 in which the raw material supplied from the main silo 110 is loaded.

The control unit 150 includes a quantitative feeder 210 attached to the main silo 110, an air tank 220 for supplying air to the transfer tank 120 and the like, a direction switching valve 130, Control operation.

The control unit 150 receives detection signals from the main silo 110 and the load sensors 111 and 141 installed in the respective sub silos 140.

FIG. 3 is a block diagram of a raw material transfer and loading system according to the preferred embodiment of the present invention.

A raw material transfer and loading system 100 according to a preferred embodiment of the present invention includes a tornado pump 310 and a plug generator 320. [

The tornado pump 310 rotates the raw material discharged from the transfer tank 120 in a swirl type and is installed between the transfer tank 120 and the supply switching valve 130.

FIG. 4 is an exploded longitudinal sectional view of the tornado pump of the raw material transfer and loading system according to the present preferred embodiment, and FIG. 5 is a combined longitudinal sectional view of the tornado pump of the raw material transfer and loading system according to the present preferred embodiment.

4 and 5, the tornado pump 310 includes a raw material transfer pipe 311, an air injection ring 312, an air supply pipe 313, and a vortex generation pipe 314.

The raw material transfer pipe 311 of the tornado pump 310 transfers the raw material discharged from the transfer tank 120 and is inserted into the air supply pipe 313 to be described later.

The raw material conveyance pipe 311 is connected to the transfer tank 120 and an air supply pipe 313 to be described later through a connection flange 311a provided on the outer periphery of one side.

The air injection ring 312 of the tornado pump 310 injects air supplied through the air supply pipe 313 toward the vortex generation pipe 314 and is integrally formed on the discharge side of the raw material transfer pipe 311.

FIG. 6 is a front view of the air injection ring of the tornado pump of the raw material transfer apparatus according to the present preferred embodiment, and FIG. 7 is a partially enlarged development view of the air injection ring of the tornado pump of the raw material transfer apparatus according to the present preferred embodiment.

6 and 7, a plurality of inclined slits 312a are radially arranged in the air injection ring 312 so that the air passing through each inclined slit 312a of the air injection ring 312 is inclined And is discharged in an oblique direction of the slit 312a.

The air supply pipe 313 of the tornado pump 310 injects the air supplied from the air tank 220 toward the vortex generation pipe 314 and is connected to the raw material transfer pipe 311 through the connection flange 313a provided on both sides of the outer circumference. And is connected to the vortex generation pipe 314.

An air supply hole 313b and a cleaning hole 313c are formed on the outer circumference of the air supply pipe 313 and the cleaning hole 313c is always kept in an airtight state except for cleaning the inside of the air supply pipe 313 .

An air filling space 313d is formed between the inner circumferential surface of the air supply pipe 313 and the outer circumferential surface of the raw material supply pipe 311. The air supply pipe 313 is formed with a diameter larger than that of the raw material supply pipe 311, do.

The air injected into the air filling space 313d through the air supply hole 313b of the air supply pipe 313 flows into the vortex generation pipe 314 through the inclined slits 312a of the air injection ring 312 And is discharged.

The vortex generation pipe 314 of the tornado pump 310 mixes the air supplied through the air supply pipe 313 and the air injection ring 312 to the raw material supplied from the raw material supply pipe 311 to supply the straight- .

The vortex generation pipe 314 is connected to the air supply pipe 313 and the supply switching valve 130 through a connection flange 314a provided on both outer circumferences.

The inner diameter of the vortex generation pipe 314 corresponds to the inner diameter of the raw material supply pipe 311 and the inner diameter of the supply side of the supply switching valve 130 is smaller than the inner diameter of the raw material supply pipe 311 And the discharge pressure is higher than the inflow pressure.

FIG. 8 is an exploded longitudinal sectional view of the plug generator of the raw material conveying apparatus according to the presently preferred embodiment, and FIG. 9 is a joining longitudinal sectional view of the plug generator of the raw material conveying apparatus according to the presently preferred embodiment.

The plug generator 320 is connected to each discharge port of the supply switching valve 130 by additionally providing strong air pressure periodically to the material to be transported.

The plug generator 320 includes a raw material supply pipe 321 and an air supply pipe 322.

The raw material supply pipe 321 of the plug generator 320 is provided with a connection flange 321a which is connected to the supply switching valve 130 on the outer circumferential side on the inflow side as the raw material supplied from the supply switching valve 130 is transferred.

The raw material supply pipe 321 has a discharge side inserted into the air supply pipe 322 and an inclined surface 321b formed on the outer periphery of the discharge side.

The air supply pipe 322 of the plug generator 320 provides additional air pressure to the raw material discharged from the raw material supply pipe 321 and the discharge side is connected to the transfer pipe 160 through the flexible pipe 180.

The air supply pipe 322 of the plug generator 320 includes an air charging portion 322a having an inner diameter larger than the outer diameter of the raw material supply pipe 321; A raw material transfer section 322c having the same inner diameter as the inside diameter of the raw material supply pipe 321; And an inclined portion 322b provided between the air charging portion 322a and the raw material transfer portion 322c.

An air injection hole 322d and a cleaning hole 322e are provided on the outer periphery of the air charging portion 322a of the air supply pipe 322 of the plug generator 320. A connection flange 322f ).

The air injected into the air charging portion 322a through the air injection hole 322d of the air charging portion 322a of the air supply pipe 322 of the plug generator 320 is supplied to the inclined portion 322b and the raw material supply pipe inclined surface 321b To the raw material transfer section 322c.

The cleaning hole 322e of the air supply pipe 322 of the plug generator 320 is always kept in an airtight state except when cleaning the inside of the air supply pipe 322. [

In the reference numerals, reference numeral 170 denotes a booster.

The raw material transfer and loading system 100 according to the preferred embodiment of the present invention can transfer the raw materials charged in the main silo 110 to the remote sub silo 140 and load them.

That is, the raw material charged in the main silo 110 is supplied to the transfer tank 120 through the quantitative feeder 210 attached thereto, and the transfer tank 120 uses the pressure of the air supplied from the air tank 220 Thereby discharging the raw material to the sub-silo 140 side.

The raw material discharged from the transfer tank 120 is transferred through the tornado pump 310, the direction switching valve 130, the plug generator 320 and the transfer pipe 160, (140) connected to an outlet through which the raw material is discharged.

The linear raw material discharged from the transfer tank 120 in the transferring and loading process of the raw material is rotationally transferred through the tornado pump 310 installed between the transfer tank 120 and the directional control valve 130 .

That is, the raw material mixed with the air having the predetermined pressure in the transfer tank 120 is discharged to the direction switching valve 130 through the raw material supply pipe 311 and the vortex generation pipe 314 of the tornado pump 310.

High pressure air is injected into the air supply pipe 313 of the tornado pump 310 and air injected into the air supply pipe 313 flows through the air injection ring 312 And is supplied to the vortex generating tube 314 through a plurality of inclined slits 312a provided in the vortex generating tube 314.

Air radially sloped and ejected through the plurality of inclined slits 312a of the air injection ring 312 is mixed with the raw material fed straight from the raw material supply pipe 311 toward the vortex generation pipe 314 to feed the raw material into the vortex So that the granular raw material obtains rotational acceleration and can be transported more smoothly.

In the raw material conveying and loading system according to the preferred embodiment of the present invention, the raw material rotatably conveyed through the tornado pump 310 is conveyed to the sub silo 140 via the supply switching valve 130.

The raw material discharged from one of the plurality of discharge ports of the supply switching valve 130 is discharged through the raw material supply pipe 321 of the plug generator 320 installed in the discharge port and the raw material transfer portion 322c of the air supply pipe 322 And is conveyed to the conveying pipe 160 side.

The plug generator 320 periodically pressurizes the raw material supplied to the transfer pipe 160 to prevent the raw material from being stagnated inside the transfer pipe 160 by further supplying strong air.

The air periodically injected into the air charging portion 322a of the air supply pipe 322 of the plug generator 320 is discharged to the raw material transfer portion 322c through the gap between the inclined portion 322b and the raw material supply pipe inclined surface 321b The raw material passing through the raw material transfer portion 322c is strongly pushed.

When a plurality of main silos 110 are formed in the material transfer and loading system 100 of the present invention, different raw materials can be charged in the main silos 110, and one sub silo 140 The main silo 110 may be connected to the sub-silo 140 so that either one of the two kinds of raw materials can be selectively loaded or the two kinds of raw materials can be mixed and loaded at the same time.

Although the present invention has been described in detail with reference to the above embodiments, it is needless to say that the present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the spirit of the present invention.

100: Material transfer and loading system
110: main silo
120: Transfer tank
130: Supply switching valve
140: Sub-silo
150: control unit
160: transfer pipe
310: Tornado pump
320: Plug generator

Claims

A main silo 110 in which a quantitative feeder 220 is installed;
One or more transfer tanks (120) connected to the main silo (110) for discharging the raw material using the pressure of air;
A direction switching valve (130) connected to a discharge port of the transfer tank (120) and having one inlet and a plurality of discharge ports;
A sub-silo 140 connected to each discharge port of the directional control valve 130 through a transfer pipe 160;
An air tank 220 for supplying air to the transfer tank 120 and a control unit 150 for controlling the operation of the directional control valve 130. [ Loading system.

The method according to claim 1,
And a tornado pump (310) installed between the transfer tank (120) and the directional control valve (130) for rotating the raw material discharged from the transfer tank (120) in a swirl mode. Loading system.

3. The method according to claim 1 or 2,
And a plug generator (320) connected to each discharge port of the supply switching valve (130) and additionally providing a strong air pressure periodically to the conveyed raw material.

3. The method of claim 2,
The tornado pump 310
A raw material transfer pipe 311 connected to the transfer tank 120 and the air supply pipe 313 through a connection flange 311a provided on the outer periphery;
An air injection ring 312 formed on the discharge-side outer periphery of the raw material feed pipe 311 and having a plurality of slanted slits 312a radially arranged;
An air supply pipe 313 connected to the raw material transfer pipe 312 and the vortex generation pipe 314 through connection flanges 313a provided on both outer sides and having an air supply hole 313b at the center of the outer periphery;
And a vortex generation pipe (314) connected to the air supply pipe (313) and the supply switching valve (130) through a connection flange (314a) provided on both outer circumferences.

The method of claim 3,
The plug generator 320 is
A raw material supply pipe 141 provided with a connection flange 321a connected to the supply switching valve 130 on the inflow side outer periphery and having the discharge side inserted into the air supply pipe 322;
And a connection air supply pipe (322) to which the discharge side is connected to the transfer pipe (160)
The air supply pipe 322 of the plug generator 320
An air charging portion 322a provided with an air injection hole 324d on the outer periphery and having an inner diameter larger than the outer diameter of the raw material supply pipe 321;
A raw material transfer section 322c having the same inner diameter as the inside diameter of the raw material supply pipe 321;
And an inclined part (322b) provided between the air charging part (322a) and the raw material transfer part (322c).