JP2000177793A - Movable powder and granular substance conveyer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a conveyer which can transport a coagulable powder and granular substance in a tank while transportation of a powder and granular substance, particularly a cohesive powder and granular substance in a tank may cause a problem that the substance might aggregate during transportation so that it is normally transported in bags. SOLUTION: A main ribbon screw 3 having a stirring and disintegrating mechanism is incorporated in a powder and granular substance storage tank 2 to be loaded on a moving-type tank lorry so as to relax and eliminate tapping solidification of the substance which is highly cohesive and adhesive by rotation of the screw during transportation. In addition, a compressed air feed nozzle 6 for conveying is attached, wherein after reaching a destination, the substance is scraped to a discharge port by the rotation of the screw ribbon and also is forcibly fed by pneumatic pressure.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile granular material transferring apparatus, and in particular, to a granular material having coagulability, for example, sugar (trihydrosugar,
The present invention relates to a transfer device mainly composed of a powdery and granular material storage tank loaded on a tank lorry for transporting white sugar and the like.

[0002]

2. Description of the Related Art The above-mentioned powdery particles have a property of being solidified by vibration or the like when transported. For this reason, for example, when transported by a tank truck, it is difficult to take out and solidify in a tank by vibration (hereinafter referred to as tapping solidification). For this reason,
Ordinarily, a means for carrying as a bag is adopted.

[0003]

However, the bag filling requires a considerable amount of work, and the bag opening also requires a great deal of work. Therefore, bagging is not a problem for small orders, but there is a problem that the bagging and unpacking operations are extremely troublesome when transporting large quantities to a confectionery factory or the like. In view of the above, an object of the present invention is to provide a transfer device capable of transporting the above-described solidified powder or granular material in a tank.

[0004]

According to a first aspect of the present invention, there is provided a powder storage container mounted on a movable tank lorry, in which a main ribbon screw having a stirring and crushing mechanism is built in, and transported. During the rotation of the screw, the tapping and solidification of the powdery material having high cohesiveness and adhesiveness is moderated and eliminated, and a pressure air supply nozzle for pressure feeding is attached. It is characterized in that it is scraped out to the discharge port by the rotation of, and is fed by air pressure.

According to the present invention having the above-described structure, a main ribbon screw is incorporated in a powder storage tank, and the main ribbon screw is rotated during transport to obtain a powder or powder having high cohesion and adhesion during transport. Again, the tapping solidification is prevented. When discharging, pressurized air is supplied into the tank and discharged by air pressure.

According to a second aspect of the present invention, a vertically mounted discharge screw having a front end facing the discharge port is mounted in the powder storage tank.
It is characterized in that it is attached at an appropriate inclination to the rotation axis of the horizontal main ribbon screw.

In the present invention having the above-described structure, the discharge of the granular material can be reliably performed by appropriately attaching the discharge ribbon screw to the rotation axis of the horizontal main ribbon screw.

According to a third aspect of the present invention, a pressure air jet nozzle for fluidizing and accelerating the discharged granules is disposed at a discharge port of the tank.

According to the present invention having the above-described structure, by disposing the pressurized air jet nozzle at the discharge port of the tank, the discharged particulate can be fluidized by the transport air flow, accelerated and transported.

A fourth aspect of the present invention is characterized in that the granular material storage tank is provided with a tilting means, and tilts with the discharge port facing downward.

According to the present invention having the above-described structure, the powder and granular material to be stored can be reliably discharged by inclining the powder and granular material storage tank with the discharge port facing downward.

A fifth aspect of the present invention is characterized in that the granular material storage tank is capable of recovering a cleaning liquid, has a cleaning liquid injection hole, and discharges a cleaning liquid or steam and discharges pressurized air for drying. I do.

According to the present invention having the above-described structure, the cleaning liquid can be recovered in addition to the transport of the granular material, and the cleaning and steam jetting and drying air jetting nozzles are provided. It is possible to clean the inside of the tank after discharging the cleaning liquid.

A sixth invention is characterized in that the tank is provided with a jacket for circulating cold or hot water.

According to the present invention having the above-described structure, the stored material changes its properties such as melting or solidification due to the temperature rise or cooling of the tank during the transfer. By providing the tank with a jacket for circulating cold water or hot water, the above-mentioned drawbacks can be prevented.

[0016]

Embodiments of the present invention will be described below with reference to the drawings. In the figure, a movable powder / particle transfer apparatus 1 includes a powder / particle storage tank 2 loaded on a movable tank lorry (not shown), and a main ribbon screw stored in the tank 2 and mounted in the axial direction of the tank. 3 and a discharge screw 5 disposed opposite to the discharge port 4 of the tank 2. The tank 2 is provided with an intake port 6 for compressed air and a powder material inlet 7, and a tilting mechanism 8 such as a hydraulic cylinder that tilts the tank 2 up and down at a predetermined angle (for example, 45 degrees) with the discharge port 4 below. . Z indicates the rotation position.

The ribbon screw 5 has a size as close as possible to the inside of the tank wall so as to prevent the powder and particles from adhering to the inside of the wall of the tank 2 while being stirred, and is attached to the rotating shaft 10. , The rotating shaft 10 is sealed at both ends.
1, 12 and one end is connected to the drive motor M1. The rotating shaft 10 is a hollow shaft, and the other end is connected to a pressure air supply source P (see FIG. 4) via a rotary joint 13. Reference numeral 14 denotes a pressure air ejection hole formed in the rotating shaft 10.

The discharge screw 5 is mounted obliquely with respect to the rotation axis 10 of the main ribbon screw 3. The discharge screw 5 has a stirring blade 15 attached to the tip thereof along the inclined surface of the discharge port 4. M2 denotes a drive motor for the discharge screw 5. In addition, this screw 5
May be a ribbon screw.

The discharge port 4 is provided with an ejector nozzle 20 at the end of the discharge port 4 in order to reliably discharge the powdery and granular materials.
Is provided. The nozzle 20 is provided between the tip of the discharge port 4 and the outer cylinder 21.
A throat portion 22 is formed between the throat portion 22 and the outlet of the tank 2 by the ejector effect by the ejecting force of the pressurized air ejected from the throat portion 22 of the pressurized air introduced from the pressurized air introducing pipe 23, ie, from the tank 2 by the ejector effect. The particles can be pulled out and mixed with the jet stream to ensure fluidization. A delivery pipe 24 is attached to the end of the delivery pipe 24,
At 4, a pressure air jet nozzle 25 for transportation is attached. Reference numeral 16 denotes an on-off valve attached to the discharge port.

If necessary, a jacket 26 for circulating cold or hot water is attached to the outer periphery of the tank 2. Reference numeral 27 denotes a cleaning liquid injection nozzle for cleaning the inside of the tank.

FIG. 4 shows a procedure for transporting the granular material transported by the granular material storage tank 2 to the receiving silo S at the transport destination.
1 is attached and detachably connected to a delivery pipe 24 connected to the discharge port 4 of the tank 2. The transport pipe 30 is provided with a booster 32 for jetting compressed air at an appropriate position. In the figure,
A indicates a pressure air supply pipe.

In the above-mentioned structure, when the granular material is conveyed, the tank 2 is set in a substantially horizontal state, the granular material is introduced from the charging port 7, and the ribbon screw 3 is rotated at a predetermined slow speed to remove the tank truck. To run. As a result, the powder can be conveyed without coagulation and sticking to the inner surface of the tank. At this time, if necessary, cooling water or hot water is supplied to the jacket 26 to prevent the tank 26 from rising due to the outside air temperature or being excessively cooled.

After arriving at a predetermined place, the delivery pipe 2
4, a flexible tube 31 is attached, the pressure air inlet 6, the rotation axis 10 of the ribbon screw are connected to the pressure air supply source P, the tank 2 is tilted by the tilting mechanism 8, and the ribbon screw 3 is rotated at high speed. (4) The on-off valve 16 is opened, and pressurized air is jetted into the tank 2 from the pressurized air inlet 6 and the pressurized air jet hole 14 of the rotary shaft 10, and the powder is discharged by the air pressure. The discharged granules are sequentially transferred to the silo side by the injection of pressurized air from the booster 32 in the transport pipe 30.

However, depending on the receiving side, the transport pipe 3
In some cases, the sheet may be conveyed to a predetermined location by a conveyor (not shown) or the like instead of 0.

After the discharge of the granular material, it may be required to collect a washing liquid such as a silo at the transport destination, if necessary. In particular, when the powdery granule is the sugar, discharging the cleaning liquid has a problem of environmental pollution, and it is preferable to recover the same. In this case, the tank 2 is returned to a horizontal position, and the washing liquid is stored in the tank by appropriate means and brought back. Then, the cleaning liquid is injected from the cleaning liquid injection nozzle 27, and after a lapse of time, pressurized air is blown from the pressure air intake port 6 and the pressure air injection hole 14 of the rotating shaft 10, and the cleaning liquid is discharged and collected. Further, if necessary, the heating steam is injected from the cleaning liquid injection nozzle 27 or the pressure air injection hole 14 of the rotating shaft 10 to dissolve and discharge the powdery particles fixed in the tank.

[0026]

As described above, according to the present invention, a main ribbon screw having a stirring and crushing mechanism is built in a powdery material storage tank loaded on a tank truck, and this is rotated during transportation. It is also possible to prevent condensation and solidification of highly cohesive and adherent powders.
After reaching the transport destination, the rotation of the ribbon screw,
Since the granular material is squeezed to the discharge port by pressurizing high-pressure air into the tank, the granular material has high cohesion,
Even if it is adhesive, it enables a large amount of powder to be transported in a tank. According to the second aspect of the present invention, a discharge screw is mounted in the tank together with the ribbon screw in the tank axis direction, and the screw is attached at an appropriate inclination to the rotation axis of the main ribbon screw. Thereby, the discharge screw can be rotated without being influenced by the main ribbon screw, and the discharge of the granular material can be reliably performed. According to the third aspect of the present invention, the ejector nozzle is provided with an ejector nozzle for fluidizing the discharged granular material and a pressurized air jet nozzle for acceleration, so that the granular material is fluidized and the powder is discharged. It can be done smoothly. Further, according to the fourth aspect, the granular material storage tank is provided with a tilting means, and the granular material in the tank can be easily discharged by tilting the discharge port downward. According to the fifth aspect of the present invention, the granular material storage tank enables the collection of the cleaning liquid, and the tank is provided with nozzles for cleaning the inside of the tank, jetting the steam, and jetting the drying air. The cleaning of the inside of the tank after the discharge of water can be performed effectively. Still further, according to the sixth aspect, the tank is provided with a jacket for circulating cold or hot water, thereby preventing deterioration of the powder or granules due to a temperature change of the tank due to the outside air temperature during transportation. it can.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a mobile powder and granular material transfer device of the present invention.

FIG. 2 is a sectional view taken along line XX in FIG.

FIG. 3 is an explanatory longitudinal sectional view of a tank outlet.

FIG. 4 is an explanatory view of a supply procedure of a granular material at a destination.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Movable granular material transfer apparatus 2 Tank 3 Main ribbon screw 4 Discharge port 5 Discharge screw 6 Pressure air supply nozzle 20 Ejector nozzle 25 Transport pressure air ejection nozzle 26 Jacket

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Yoshinori Hoshikawa 3rd, Tamatsuura-cho, Hekinan-shi, Aichi Pref. Itochu Sugar Co., Ltd. (72) Inventor Satoshi Taniguchi 2-12-24 Nagaoka, Nagaokakyo-shi, Kyoto F-term (reference) 3E070 AA07 AB11 EA11 FA05 FA10 GA04 GA20 VA15

Claims (6)

[Claims] 1. A main particle screw having a stirring and crushing mechanism is built in a powdery material storage tank loaded on a movable tank truck, and the powdery particles having high cohesiveness and adhesion due to rotation of the screw during transportation. Along with eliminating and eliminating tapping solidification of the body, a pressure air supply nozzle for pressure feeding is installed, and after reaching the transport destination, the powder and granular material is scraped out to the discharge port by rotation of the ribbon screw, and is pressure-fed by air pressure. Mobile powder transfer equipment. 2. A powder screw is mounted in the powder storage tank in a vertically mounted manner, with the tip facing the discharge port, and the discharge screw is rotated with respect to the rotation axis of the horizontal main ribbon screw. 2. The movable powder and granular material transfer device according to claim 1, wherein the device is mounted at an appropriate inclination. 3. The apparatus according to claim 1, wherein a pressure air jet nozzle for fluidizing and accelerating the discharged granules is disposed at the discharge port. 4. The powder storage container is provided with a tilting means,
2. The tilting mechanism according to claim 1, wherein the outlet is tilted downward.
20. The mobile powder and granular material transfer device according to claim 20. 5. The granular material storage tank is capable of collecting a cleaning liquid, has a cleaning liquid injection hole, and discharges the cleaning liquid or steam,
2. The method according to claim 1, wherein the drying pressure air is ejected.
20. The mobile powder and granular material transfer device according to claim 20. 6. The apparatus according to claim 1, wherein the tank is provided with a jacket for circulating cold water or hot water.