JPS61150937A - Conveying and replenishing device for fine pulverulent body - Google Patents

Abstract

PURPOSE:To enable replenishment of a fine powdery body to every corner in an airtight receptacle, by forming the discharge outlet of outlet portion of a duct of an air-forced conveying device rotative. CONSTITUTION:When containing a fine powdery body into an airtight receptacle (rulley) 3 with forced pressure, make the lower and of an air induction mechanism 4 attach tightly to the opening end of a press-in hole 3a, and also penetratingly insert the discharge outlet 6 of an outlet portion of duct 1c into the opening of the press-in hole 3a of the airtight receptacle 3. Then, conveying a fine powdery body into the airtight receptacle 3 with an air-forced conveying device 1, send the powdery dust air produced in the airtight receptacle 3 to a dust collector 5 with the air induction mechanism 4. At the same time, when any unreplenished spaces exist in the airtight receptacle 3, direct and turn the discharge outlet 6 to the spaces through a connecting portion 9 with handle control, change the discharge direction of the fine powdery body, and replenish the spaces with the powdery body as necessary.

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention is a method for conveying and pumping fine powder such as dry coke powder generated when producing coke in a coke oven or cement powder produced in a cement factory. This invention relates to a device for filling movable closed containers such as molds and containers.

(Prior art) As a means for transferring dry fine powder from one place to another, for example, in the case of transfer in a relatively close place such as within the same factory (or pneumatic conveying device). In addition, a movable closed container such as a pressure-feeding type or a container is used for transportation to IC locations far apart from each other.

These forced air conveyance devices and movable compact rJ1 containers are
Since they themselves are made airtight, when these methods are used to transfer dry fine powders, the fine powders will not scatter outside and cause pollution problems. The problem is how to fill the above-mentioned fine powder into a closed container that can be moved from the forced air conveyance device.

Conventionally, the methods of conveying and filling dry fine powder during pressure feeding or into movable closed containers such as containers are:
The fine powder is carried into a silo installed at a high location, and is allowed to fall naturally into a sealed container.

[Problem that the invention seeks to solve]

However, this dry fine powder is difficult to handle because it easily scatters around when handled, and does not cause pollution problems.Furthermore, when it is filled into a closed container due to natural fall, it is difficult to handle. The air inside the sealed container comes into contact with the falling fine powder, which not only generates dust but also inhibits the natural fall of the fine powder and slows down the filling speed.

For this reason, when filling, it is necessary to provide some form of dust collection mechanism to prevent dust from being generated. In order to fill the entire interior with fine powder, it is necessary to provide multiple charging ports at the top of the sealed container and move the drop position of the fine powder several times for filling. and moving it to the loading port. Therefore, there was a problem that the work was complicated and dust was generated during movement.

Moreover, when filling by gravity, it is necessary to transport the fine powder to a silo installed at a high position, and because the silo needs to be installed at a high position, it requires more space than necessary and the corresponding amount of foundation work and piles. In addition, there are problems in that additional construction costs are required, and in addition, specialized equipment must be prepared depending on the type of movable airtight container.

[Means and effects for solving the problems] The present invention has the following features:
It was developed with this in mind, and is capable of transporting dry fine powder such as dry coke powder recovered from coke manufacturing equipment and cement powder manufactured at cement plants in an airtight state, while also being able to transport many types of powder. The present invention provides an apparatus that can quickly fill a movable closed container without causing dust pollution.

That is, the present invention provides a fine powder conveying/filling device for forcibly conveying dry fine powder and filling it into a movable closed container. The discharge direction of the discharge port is oriented in a substantially horizontal direction, and the discharge port is formed so as to be rotatable as required. is connected to the dust collector, and an air intake mechanism is provided whose lower end is in close contact with the opening edge of the press-fit hole formed in the upper part of the airtight container. The lower end of the conduit is brought into close contact with the edge of the press-fit hole opening, and the outlet of the conduit outlet is inserted into the press-fit hole opening of the closed container. 1
The dust air generated in the container is sent to the dust collector by the intake mechanism, and if there is an unfilled space in the sealed container, the above-mentioned discharge port is rotated to the space as necessary to discharge the fine powder. This is a fine powder conveying and filling device that changes direction.

The fine powder that can be used with the device of the present invention may be any powder as long as it is dry and can be transported by a forced air transport device, such as coke dry extinguishing equipment, coke ovens, and dust collectors around them. Examples include dry coke powder recovered from cement factories, cement powder produced at cement factories, and slaked lime.

These fine powders are preferably once stored in a storage tank,
It is transported to a predetermined position by a forced air transport device that is connected to the storage tank, and is filled therein into a movable closed container.

The purpose of the storage tank used for this purpose is to transport the fine powder that is forcibly transported by air to a sealed container that can be moved at a constant speed and temporarily store it in order to fill it. It is fine as long as you have it.

In addition, the forced air conveyance device used in the present invention includes:
For example, any device may be used as long as it is equipped with a blower such as a Roots blower and a conduit that carries the fine powder in the flow of air and guides it to a predetermined stomach.

At the outlet of the conduit of this forced air conveyance device,
A discharge port is provided which directs the discharge direction in a substantially horizontal direction and is rotatable as required so as to change the discharge direction of the fine powder.

Here, regarding the discharge direction of the discharge port provided at the outlet of the conduit, depending on the properties and weight of the fine powder to be transported and filled, it may be slightly upward from the horizontal direction, horizontally, or slightly above the horizontal direction. It is best to adjust it by pointing it slightly downward.

If the airtight container is a lorry, etc., insert the outlet of the conduit into the press-fitting inlet at the end, and align the discharge port of the outlet approximately horizontally in the direction of the larger space of the airtight container. For this purpose, it is best to fill the closed container so that the fine powder discharged from the outlet collides with the inner wall of the closed container, and the filling can be done in a short time and in one operation. In addition,
Depending on the insertion position of the conduit outlet, a space may remain in the closed container; in such a case, the discharge port is rotated to fill the space.

The means for rotatably mounting the discharge port is not particularly limited, and any conventionally known means may be employed. For example, the means for rotating the discharge port may be a manual type equipped with a handle or the like, and is not particularly limited.

Furthermore, the conduit outlet part is surrounded by a predetermined gap, and the upper end is connected to the dust collector, and the lower end is connected to the opening edge of the press-fit hole formed in the upper part of the sealed container. A suction mechanism that fits tightly is provided, and when forcibly press-fitting fine powder into a sealed container, the lower end of the suction mechanism is brought into close contact with the opening edge of the press-fit hole, and the outlet of the conduit outlet is placed in close contact with the opening edge of the press-fit hole. It is inserted into the pressure/inlet opening, and while the fine powder is carried into the sealed container by the forced air conveyance device, the dust air generated in the sealed container is sent to the dust collector by the suction mechanism. This conduit outlet portion is formed to be expandable and retractable in the vertical direction, and is inserted through the press-fit hole opening of the closed container so as to be located at the center of the press-fit hole opening.

The intake mechanism is provided with a connecting mechanism at its lower end for connecting to the edge of the press-fit hole opening of the closed container, and is brought into airtight contact with the edge of the press-fit hole opening by this connecting mechanism. Examples of such intake mechanisms include rigid cylindrical ones, bellows-shaped ones, and other arbitrary shapes, all of which can be expanded and contracted in the vertical direction. In addition, the above-mentioned coupling mechanism may be, for example, a 7-lunge-shaped mechanism that is attracted to the edge of the press-fit hole opening using a magnet, a lid-shaped mechanism that tightly fits inside the edge of the press-fit hole opening, or a lid-shaped mechanism that is tightly attached to the edge of the press-fit hole opening. There are lid-like items that cover the edges.

Furthermore, the air that has been replaced with fine powder in the airtight container and drawn out by the intake mechanism is transferred to the air outlet connected to the air intake mechanism.
It is sent into a machine, purified, and then discharged outside. Collection g used for this purpose! The machine may be any conventionally known machine as long as it can collect dry fine powder, such as a dust collector equipped with a bag filter.

In the apparatus of the present invention, a centrifugal sieve device such as a trommel that serves both air conveyance and particle size adjustment can be incorporated in the middle of the conduit of the forced air conveyance device or at the outlet of this conduit. In this way, when a centrifugal sieve device is incorporated into a forced air conveyance device, the fine powder can be sized and simultaneously transported and filled into a movable closed container. can.

Further, the closed container to which the device of the present invention is applied may be any container for transporting powder and equipped with a press-fit hole. Examples include freight cars and joinery.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS The conveying and filling apparatus of the present invention will be specifically described below according to embodiments shown in the accompanying drawings.

1 and 2, a conveying and filling apparatus according to an embodiment of the present invention is shown. This conveying and filling device consists of a Roots-type blower (1a), a conduit (1b), etc., and uses dry coke collected from coke dry extinguishing equipment, coke ovens, and dust collection equipment around the coke oven and stored in a storage tank (2). A forced air conveyance device (1) for air conveying coke powder and a conduit outlet portion 9<1c) connected to the tip of the conduit (1b) of this forced air conveyance device (1) are rotatable as necessary. A pressure-feeding type, which is equipped with a discharge port (6) that is attached and formed so that the discharge direction is oriented in a substantially horizontal direction, and a press-fit hole (3a) in the upper part through which the discharge 0 (6) is inserted. The lower end of the lorry 1 (3) is connected to the opening edge of the press-fit hole (3a) in the lorry middle (3), and the intake air surrounds the conduit outlet portion (1c) with a predetermined gap maintained. mechanism(
4) and an intake mechanism (5) connected to the upper end of the intake mechanism (4).

In this Example IIIi, the intake air 1 m1 #1 (4) is connected to the upper end connecting portion (4a) connected to the intake port (5a) of the dust collector (5) located at the upper end, and this upper end connecting portion (4).
an intermediate elastic part (4b) which is attached to the lower end of a) and is formed in a bellows shape and can be expanded and contracted in the vertical direction; and the upper end connecting part (4b).
a) a guide part (4C) that is attached to the lower end and guides the direction of expansion and contraction of the intermediate expansion and contraction part (4b);
4b) and a magnetic lower end connecting part (4d) which is provided at the lower end of the lorry wheel (3) and is airtightly adsorbed and connected to the opening edge of the press-fit hole (3a) of the lorry wheel (3). .

In addition, the pipe outlet portion (1) of the forced air conveyance device (1) is
C) is the upper end connecting portion (4a) 11 of the intake mechanism (4).
11 A right-angled elbow (7) that airtightly penetrates the wall, and a vertically extendable member that is formed in a snake shape and is connected to the lower end of the right-angled elbow (7) and extends downward from approximately the center of the intermediate extendable portion (4b). It consists of a telescopic part (8) and a connecting part (9) connected to the lower end of the telescopic part (8) for rotatably attaching the discharge port (6).

The connecting portion (9) allows the outlet port (6) to rotate 360 degrees by means of a handle (not shown) as needed, but the conduit outlet portion (1C) can be rotated at either end. When Q is inserted into the press-fit hole (3a), the discharge port (6
) If the direction of the space is fixed in the direction of the larger space, the fine powder can be efficiently filled in a single operation.

Note that the lower end connecting portion (4d) has a diameter of 7 mm to improve adsorption and airtightness between the lower end connecting portion (4d) and the opening edge of the press-fit hole (3a).
It is formed in a flange shape, and a portion of the flange is inserted into the press-fit hole (3a) along the inner wall of the opening. Also,
At the lower end of the storage tank (2), there is a rotary feeder (2a) that cuts out a fixed amount of dry coke powder stored in the storage tank (2) and feeds it into the conduit (1b) of the forced air conveyance device (1). ) is provided.

〔Effect of the invention〕

According to the present invention, dry fine powder can be transported in an airtight state, and at the same time, it can be filled into many types of movable closed containers quickly and without causing dust pollution. There is no need to transport the fine powder to a silo installed at a high position, and there is no need for increased installation space or construction costs.Furthermore, it is easily compatible with many types of movable closed containers such as pressure-feeding types and containers. There is no need to prepare dedicated filling equipment for each type of sealed container.

Moreover, according to the present invention, the discharge port provided at the outlet of the conduit of the forced air conveyance device is formed to be rotatable as required, and the discharge direction is oriented substantially horizontally. When the fine powder is transported and filled into the closed container, the discharge direction of the fine powder can be changed as necessary to fill every corner of the closed container. Therefore, there is a problem in the filling operation that conventionally, the fine powder must be filled by changing the falling position several times using multiple charging ports provided at the top of the closed container such as a lorry. Therefore, the transport and filling work of fine powder can be carried out efficiently and quickly without generating dust.

[Brief explanation of drawings]

FIG. 1 is a flow sheet showing a conveying and filling device according to an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing an enlarged view of the intake mechanism in FIG. 1. (1)... Forced air conveyance device (1b)... Conduit (IC)... Conduit outlet portion (3)... Lorry vehicle (movable sealed container) (3
a)...Press-fit hole (4)...Intake (1 structure (5)...Dust collector (6)...Outlet

Claims (1)

[Claims] In a fine powder conveying/filling device that transports dry fine powder by forced air and fills it into a movable closed container, the discharge direction of the discharge port provided at the outlet of the conduit of the forced air conveying device that conveys the fine powder. is oriented in a substantially horizontal direction, and this discharge port is formed so as to be rotatable as required, and the conduit outlet part is surrounded by a predetermined gap while maintaining a predetermined gap, and the upper end is connected to the dust collector in communication. , a suction mechanism is provided whose lower end is in close contact with the opening edge of the press-fit hole formed in the upper part of the sealed container, and when the fine powder is forcibly press-fitted into the closed container, the lower end of the suction mechanism is placed in close contact with the opening edge of the press-fit hole formed in the upper part of the closed container. At the same time, the discharge port of the outlet of the conduit is inserted into the press-fit hole opening of the closed container, and while the fine powder is carried into the closed container by the forced air conveyance device, the dust air generated in the closed container is removed. is fed into the dust collector by the suction mechanism, and if there is an unfilled space in the sealed container, the discharge port is rotated to the space as necessary to change the discharge direction of the fine powder. Transport and filling equipment for fine powder.