KR101603524B1

KR101603524B1 - Raw material transfer apparatus using aero-flow transfer tank

Info

Publication number: KR101603524B1
Application number: KR1020140062339A
Authority: KR
Inventors: 황종덕
Original assignee: 우민기술(주)
Priority date: 2014-05-23
Filing date: 2014-05-23
Publication date: 2016-03-15
Also published as: KR20150134910A

Abstract

The present invention relates to a raw material transfer apparatus,
A transfer tank which mixes the raw material introduced into the inside with air and discharges the raw material into a silo or other raw material loading space; A tornado pump installed on the discharge side of the transfer tank for rotating the raw material discharged from the transfer tank in a vortex type; And a supply switching valve connected to the discharge side of the vortex generating tube of the tornado pump and capable of switching the supply direction of the raw material to a selected silo or other raw material loading space
The raw material discharged from the transfer tank is rotationally transferred to the vortex type so that the raw material can be smoothly transferred to the silo or other material loading space.

Description

RAW MATERIAL TRANSFER APPARATUS USING AERO-FLOW TRANSFER TANK

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a raw material transfer apparatus, and more particularly to transferring a raw material to a silo or other material loading space through a transfer tank and a transfer pipe for transferring a raw material using air pressure.

Generally, raw materials such as powdery powders in small particles are loaded and unloaded, and there are many examples in which raw material transfer devices using air pressure are used when transferring the raw materials to silos, a raw material loading tank, or other loading places.

The raw material conveying device includes a transfer tank for mixing and discharging a predetermined amount of raw material introduced into the inside thereof with air, and a conveyance pipe for conveying the raw material discharged from the transfer tank to a silo or other material loading space.

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

In addition, the raw material conveying apparatus according to the prior art has a problem in that the raw material is stuck and stagnated in the conveying pipe during the conveying of the raw material, whereby the conveying of the raw material is not smooth or the conveyance of the raw material is stopped.

An object of the present invention is to provide a raw material transfer apparatus which can more smoothly transfer a raw material discharged from a transfer tank to a silo or other material loading space.

Another object of the present invention is to provide a feedstock feeding device that allows a feedstock to be smoothly conveyed without being stagnated in a feed pipe connected to the feed-back switching valve.

In order to accomplish the above object, a raw material transfer apparatus according to the present invention comprises a transfer tank for mixing a raw material introduced into an inside thereof with air and discharging the raw material into a silo or other raw material loading space; A tornado pump installed on the discharge side of the transfer tank for rotating the raw material discharged from the transfer tank in a vortex type; And a supply switching valve connected to a discharging side of the vortex generating tube of the tornado pump and capable of switching the supply direction of the raw material to a selected silo or other raw material loading space.

The raw material feeder according to the present invention is characterized by including a plug generator connected to the discharge side of the feed switching valve and additionally providing a strong air pressure periodically to the raw material to be fed.

The raw material transferring apparatus according to the present invention is characterized in that the raw material transfer pipe is connected to the transfer tank and the air supply pipe through a connection flange provided on the outer periphery of the tornado pump; 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 transferring apparatus according to the present invention is characterized in that the vortex generation pipe has a tapered shape in which the inner diameter of the raw material supply pipe connection side corresponds to the inner diameter of the raw material supply pipe and the inner diameter of the supply side connection valve connection side is smaller than the inner diameter of the raw material supply pipe connection side do.

The raw material feeder according to the present invention is characterized in that the raw material feed pipe is provided with a connection flange connected to the supply switching valve on the outer periphery of the inlet side of the plug generator and inserted into the air supply pipe at the discharge side; And an air supply pipe to which the discharge side is connected to the transfer pipe.

The raw material conveying device according to the present invention is characterized in that the air supply pipe of the plug generator is provided with an air injection hole on the outer periphery thereof and has an inner diameter larger than the outer diameter of the raw 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.

According to the raw material transferring apparatus of the present invention, the raw material discharged from the transfer tank is rotatably transferred through the tornado pump into the vortex type, so that the particulate raw material can be transferred more smoothly.

Further, according to the raw material conveying apparatus of the present invention, strong air pressure is periodically additionally supplied to the raw material discharged to the discharge port of the supply switching valve through the plug generator, so that the raw material is not stagnated inside the conveying pipe, .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a configuration diagram of a raw material transfer apparatus according to a preferred embodiment of the present invention;
FIG. 2 is an exploded longitudinal sectional view of the tornado pump of the raw material conveying device according to the presently preferred embodiment,
FIG. 3 is a longitudinal sectional view of the tornado pump of the raw material transfer apparatus according to the present invention,
4 is a front view of the air injection ring of the tornado pump of the raw material transfer apparatus according to the presently preferred embodiment,
FIG. 5 is a partially enlarged exploded view of the air injection ring of the tornado pump of the raw material transfer apparatus according to the presently preferred embodiment,
6 is an exploded vertical cross-sectional view of the plug generator of the material conveying apparatus according to the preferred embodiment,
7 is a joining longitudinal sectional view of the plug generator of the material conveyance device according to the preferred embodiment.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a raw material feeder 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.

1 is a configuration diagram of a raw material transfer apparatus according to a preferred embodiment of the present invention.

1, a raw material transfer apparatus 100 according to a preferred embodiment of the present invention includes a transfer tank 110, a tornado pump 120, a supply switching valve 130, a plug generator 140, a transfer pipe 150, .

The transfer tank 110 mixes a predetermined amount of raw material introduced into the inside of the transfer tank 110 with air and discharges the raw material to the silo or other material loading space.

Since the transfer tank 110 is a well-known technique widely known in the technical field of the present invention, detailed description of its technical structure and operation will be omitted.

The tornado pump 120 rotates the raw material discharged from the transfer tank 110 in a swirl type, and is installed on the discharge side of the transfer tank 110.

FIG. 2 is an exploded longitudinal sectional view of the tornado pump of the raw material conveying apparatus according to the present preferred embodiment, and FIG. 3 is a coupled longitudinal sectional view of the tornado pump of the raw material conveying apparatus according to the presently preferred embodiment.

2 and 3, the tornado pump 120 includes a raw material transfer pipe 121, an air injection ring 122, an air supply pipe 123, and a vortex generation pipe 124.

The raw material transfer pipe 121 of the tornado pump 120 transfers the raw material discharged from the transfer tank 110 and is inserted into the air supply pipe 123 to be described later.

The raw material conveyance pipe 121 is connected to the raw material discharge pipe 111 of the transfer tank 110 and an air supply pipe 123 to be described later via a connection flange 121a provided on the outer periphery of one side.

The air injection ring 122 of the tornado pump 120 injects air supplied through the air supply pipe 123 toward the vortex generation pipe 124 and is integrally formed on the discharge side of the raw material transfer pipe 121.

FIG. 4 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. 5 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.

4 and 5, a plurality of inclined slits 122a are radially arranged in the air injection ring 122 so that the air passing through each inclined slit 122a of the air injection ring 122 is inclined And is discharged in an oblique direction of the slit 122a.

The air supply pipe 123 of the tornado pump 120 injects the air supplied from an air tank (not shown) toward the vortex generation pipe 124 and supplies the air to the raw material transfer pipe 121 through the connection flange 123a provided on both sides of the outer circumference. And the vortex generation pipe 124.

An air supply hole 123b and a cleaning hole 123c are formed on the outer circumference of the air supply pipe 123 and the cleaning hole 123c is always kept in an airtight state except for cleaning the inside of the air supply pipe 123 .

An air filling space 123d is formed between the inner circumferential surface of the air supply pipe 123 and the outer circumferential surface of the raw material supply pipe 121, do.

The air injected into the air filling space 123d through the air supply hole 123b of the air supply pipe 123 flows through the inclined slit 122a of the air injection ring 122 into the vortex generation pipe 124 And is discharged.

The vortex generation pipe 124 of the tornado pump 120 mixes the air supplied through the air supply pipe 123 and the air injection ring 122 to the raw material supplied from the raw material supply pipe 121 to supply the straight- .

The vortex generation pipe 124 is connected to the air supply pipe 123 and the supply switching valve 130 via a connection flange 124a provided on both outer circumferences.

The vortex generation pipe 124 has an inner diameter at the connection side of the raw material supply pipe 121 and an inner diameter of the raw material supply pipe 121. The inner diameter at the connection side of the supply switching valve 130 is smaller than the inner diameter at the connection side of the raw material supply pipe 121 And the discharge pressure is higher than the inflow pressure.

The supply switching valve 130 is connected to the discharge side of the vortex generation pipe 124 of the tornado pump 120 so as to switch the supply direction of the raw material.

The supply switching valve 130 is provided with a plurality of outlets through which one inlet connected to the tornado pump 120 and a plug generator 140 to be described later are connected to each other, So that the raw material can be supplied to the place.

The supply switching valve 130 may be a three-way valve having one inlet and two outlets, or a four-way valve having one inlet and three outlets, and its detailed construction will be obvious to those skilled in the art and will not be described.

FIG. 6 is an exploded longitudinal sectional view of the plug generator of the raw material conveying apparatus according to the present preferred embodiment, and FIG. 7 is a coupled longitudinal sectional view of the plug generator of the raw material conveying apparatus according to the preferred embodiment.

The plug generator 140 is connected to the discharge side of the supply switching valve 130 by additionally providing strong air pressure periodically to the material to be transported.

The plug generator 140 includes a raw material supply pipe 141 and an air supply pipe 142.

The raw material supply pipe 141 of the plug generator 140 is provided with a connection flange 141a which is connected to the supply switching valve 130 on the outer periphery of the inflow side by the raw material supplied from the supply switching valve 130 being transferred.

The raw material supply pipe 141 has a discharge side inserted into the air supply pipe 142 and an inclined side 141b formed on the outer periphery of the discharge side.

The air supply pipe 142 of the plug generator 140 provides additional air pressure to the raw material discharged from the raw material supply pipe 141 and the discharge side is connected to the transfer pipe 150 through the flexible pipe 160.

The air supply pipe 142 of the plug generator 140 has an air charging portion 142a having an inner diameter larger than the outer diameter of the material supply pipe 141; A raw material transfer section 142c having the same inner diameter as the inside diameter of the raw material supply pipe 141; And an inclined portion 142b provided between the air charging portion 142a and the raw material transfer portion 142c.

An air injection hole 142d and a cleaning hole 142e are provided on the outer periphery of the air charging portion 142a of the air supply pipe 142 of the plug generator 140 and a connection flange 142f is formed on the discharge side of the raw material transfer portion 142c ).

The air injected into the air charging portion 142a through the air injection hole 142d of the air charging portion 142a of the air supply pipe 142 of the plug generator 140 passes through the inclined portion 142b and the raw material supply pipe slope 141b To the raw material transfer section 142c.

It is a matter of course that the cleaning hole 142e of the air supply pipe 142 of the plug generator 140 is always kept in an airtight condition except for cleaning the inside of the air supply pipe 142. [

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

The raw material transfer apparatus 100 according to the preferred embodiment of the present invention rotates the raw material supplied from the transfer tank 110 through the tornado pump 120 in a swirl mode and transfers the raw material to a silo or other material loading space.

The raw material mixed with the air having the predetermined pressure in the transfer tank 110 in the raw material transfer apparatus 100 according to the preferred embodiment of the present invention is discharged through the raw material discharge pipe 111 of the transfer tank 110 to the tornado pump 120 The raw material supply pipe 121, and the vortex generation pipe 124, respectively.

High pressure air is injected into the air supply pipe 123 of the tornado pump 120 and air injected into the air supply pipe 123 flows through the air injection ring 122 And is supplied to the vortex generation tube 124 through a plurality of inclined slits 122a provided in the vortex generation tube 124a.

Air radially sloping and blown out through the plurality of inclined slits 122a of the air injection ring 122 is mixed with the raw material fed straight from the raw material supply pipe 121 toward the vortex generation pipe 124 to transfer the raw material into the vortex So that the granular raw material obtains rotational acceleration and can be transported more smoothly.

On the other hand, the raw material, which is rotated in a swirl mode through the tornado pump 120, is transferred to a silo or other material loading space via a supply switching valve 130. The raw material discharged from the supply switching valve 130 is supplied to a plug generator The raw material feed pipe 141 of the feed pipe 140 and the raw material feed unit 142c of the air feed pipe 142 to the transfer pipe 150.

The plug generator 140 periodically supplies air with a strong pressure so that the raw material supplied to the transfer pipe 150 is not stagnated inside the transfer pipe 150.

The air periodically injected into the air charging portion 142a of the air supply pipe 142 of the plug generator 140 is discharged to the raw material transfer portion 142c through a gap between the inclined portion 142b and the raw material supply pipe inclined surface 141b The raw material passing through the raw material transfer portion 142c is strongly pushed.

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: Feed conveying device
110: Transfer tank
120: Tornado pump
130: Supply switching valve
140: Plug generator
150: Transfer pipe

Claims

A transfer tank 110 which mixes the raw material charged into the inside with air and discharges the raw material into a silo or other raw material loading space;
A tornado pump 120 installed on the discharge side of the transfer tank 110 for rotating the raw material discharged from the transfer tank 110 in a swirl mode;
A supply switching valve 130 connected to the discharge side of the vortex generation pipe 124 of the tornado pump 120 and capable of switching the supply direction of the raw material to a selected silo or other material loading space;
And a plug generator (140) connected to the discharge side of the supply switching valve (130) and additionally providing a strong air pressure periodically to the conveyed raw material,
The tornado pump (120)
A raw material transfer pipe 121 connected to the transfer tank 110 and the air supply pipe 123 through a connection flange 121a provided on the outer periphery;
An air injection ring 122 formed on the discharge-side outer periphery of the raw material feed pipe 121 and having a plurality of slanted slits 122a radially arranged;
An air supply pipe 123 connected to the raw material feed pipe 121 and the vortex generation pipe 124 via connection flanges 123a provided on both outer sides and having an air supply hole 123b formed at the center of the outer periphery;
The inner diameter of the connection side of the raw material supply pipe 121 corresponds to the inside diameter of the raw material supply pipe 121 and the supply side of the supply changeover valve 130 is connected to the air supply pipe 123 via the connection flange 124a, And a vortex generation pipe (124) having a tapered shape in which an inner diameter of a connection side of the valve (130) is smaller than an inner diameter of a connection side of the raw material supply pipe (121)
The plug generator 140 is
A raw material supply pipe 141 provided with a connection flange 141a connected to the supply switching valve 130 at the inflow side outer periphery and having the discharge side inserted into the air supply pipe 142;
And an air supply pipe (142) whose discharge side is connected to the transfer pipe (150)
The air supply pipe 142 of the plug generator 140
An air charging portion 142a provided with an air injection hole 142d in its outer periphery and an inner diameter larger than the outer diameter of the material supply pipe 141;
An inclined portion 142b provided between the air charging portion 142a and the raw material transfer portion 142c;
A raw material transfer portion 142c having the same inner diameter as the inside diameter of the raw material supply pipe 141;
An air injection hole 142d provided on the outer periphery of the air charging portion 142a;
And a connection flange 142d provided on the discharge side outer periphery of the raw material transfer section 142c,
A cleaning hole 123c is formed at the outer periphery of the air supply pipe 123 of the tornado pump 120 so as to be always closed except for cleaning the inside of the air supply pipe 123,
The diameter of the air supply pipe 123 is larger than the diameter of the raw material transfer pipe 121 so that an air filling space 123d is formed between the inner circumferential surface of the air supply pipe 123 and the outer circumferential surface of the raw material transfer pipe 121,
Wherein a cleaning hole (142e) is formed at the outer periphery of the air charging part (142a) of the plug generator (140), except when cleaning the inside of the air supply pipe (142).

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