JP2596648Y2 - Collection device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a pneumatic transport device which sucks or pumps a transport gas such as air or nitrogen gas and uses this force to transport various raw materials (granules) such as plastics and pharmaceuticals. It is used as a collection device for transport destinations or used as a weighing hopper, for example, when separating pneumatically transported materials from dust or transport gas, or when separating dust-containing gas, etc. The present invention relates to a trapping device used for the device.

[0002]

2. Description of the Related Art Conventionally, as this type of trapping apparatus, a trapping apparatus described in Japanese Patent Application Laid-Open No. 55-137055 is known.

[0003] What this Sho 55-137055 JP, and reservoir body, and an outer wall which is provided on the top of the reservoir body, the canopy forming a separation chamber between the outer wall, an outer wall provided in the separation chamber An air flow guide plate (outside exhaust tube) forming a coarse particle passage between the air flow guide plate, a fine particle discharge tube (inside cyclone) vertically provided on the air flow guide plate, and a fine particle exhaust pipe (inside) for separating fine particles from fine particles. Exhaust device).

According to the above-mentioned conventional collecting device, there is an advantage that the material can be classified into coarse particles, fine particles, and fine particles and collected inside the collecting device by using the principle of free vortex centrifugal force. .

[0005]

However, in the above-described conventional collecting device, the coarse particle passage formed by the outer wall and the airflow guide plate (outer exhaust pipe) is an annular space (vacant space).
When swirling a gas containing a material or the like, there is a disadvantage that the flow velocity in the circumferential direction is reduced, and especially the efficiency of collecting coarse particles is reduced. To avoid that, the wind speed had to be increased.

The present invention solves the above-mentioned drawbacks of the prior art, reduces the amount of material adhering to the inside of the collecting device, and provides a collecting device that is easy to maintain.

[0007]

In order to solve the above problems SUMMARY OF THE INVENTION The present invention includes a reservoir body, and an outer wall which is provided on the upper portion of the tank body, the canopy forming a separation chamber between the outer wall, the separation chamber In a collection device comprising an airflow guide plate provided to form a coarse particle passage with an outer wall, a fine particle discharge cylinder vertically provided to the airflow guide plate, and a fine particle exhaust pipe for separating fine particles from fine particles. ,
The coarse-grained passage formed between the outer wall and the airflow guide plate is formed as a through hole of only a part.

A fine-grain discharge tube may be provided vertically below the fine-grain discharge tube so that only the fine particles can flow through the fine-grain discharge tube.

The fine-grain outlet of the fine-grain discharge tube may be opened and closed by a fine-grain discharge valve so that the fine-grain discharge tube is not provided.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. 1 is a longitudinal sectional view of a collecting device according to the present invention, FIG. 2 is a plan view of FIG. 1 is omitted reservoir body. Collecting apparatus according to the invention is made from the collection device main body 10 for providing the upper side of the storage tank 1 and the該貯tank body 1.

[0011] tank body 1, Yes to form a lower and an upper cylindrical portion 2 to the inverted cone portion 3 and the funnel-shaped, to form a separation chamber 12 to be described later to the upper opening 4, the lower end material An outlet 5 is formed. The material outlet 5 is opened and closed by a valve (not shown). The shape of the reservoir body 1 can of course be any not limited to the above shape. In FIG. 1, reference numeral 6 denotes an air source, and the air source 6 in this embodiment uses a suction type such as a blower or a vacuum pump. This suction type air source 6
Instead, a pressurized air source may be used on the material inlet 19 side.

[0012] collecting apparatus main body 10 includes an outer wall 11 that is communicatively connected to the upper opening 4 of the storage tank body 1, a canopy 13 forming a separation chamber 12 between the outer wall 11 is provided in the separation chamber 12 the outer wall 11 fine it is separated from the airflow guide plate 15 to form a coarse passage 14 consisting of penetrations holes of only a portion, a fine grain discharge tube 16 which is vertically to the airflow guide plate 15, and a fine and fine between And an exhaust pipe 17.

[0013] the outer wall 11, although this embodiment is formed integrally with the cylindrical portion 2 of the tank body 1 may be formed separately.
The lower part of the fine-grain exhaust pipe 17 is in the fine-grain discharge tube 16 (the air flow guide plate 1).
5 through the insertion hole 18).

The air flow guide plate 15 is a frusto-conical plate, and has an insertion hole 18 formed at the center thereof for inserting and supporting the fine particle discharge cylinder 16. 1
6, a configuration in which the airflow guide plate 15 and the fine-grain discharge tube 16 are integrally formed, or any other configuration can be adopted.

As shown in FIG. 2, the outer wall 11 of the collection device main body 10 has a spiral shape in plan view, and a material inlet 19 is formed in a tangential direction of a base end thereof. Collection equipment
An insertion hole 13a is formed in the center of the canopy 13 of the installation main body 10, and the fine particle exhaust pipe 17 is inserted into the insertion hole 13a in a detachable manner and fixed. Attached to the fine exhaust pipe 17 canopy 13 integrally with reservoir body 1 can be configured to removably. In addition, the canopy 13 can be detachably attached to the outer wall 11 of the storage tank body 1 with a fastener (not shown) or the like.

Between the outer wall 11 and the air flow guide plate 15, there is formed a coarse particle passage 14 having only a part of a through hole.
A coarse-grain discharge pipe 30 having a coarse-grain outlet 31 is provided below the coarse-grain passage 14 having only a part of the through-hole, and a fine-grain discharge valve is provided below the fine-grain outlet 32 of the fine-grain discharge cylinder 16. The fine-grain discharge valve 33 is configured so that the fine-grain discharge valve 33 is closed when the material is transported, and is opened when the material is discharged to discharge the fine-grain.

The fine-grain discharge valve 33 closes the fine-grain outlet 32 at all times and at the time of material collection (FIG. 1).
When the air source 6 is driven in this valve closed state, the material (solid arrow) introduced into the material inlet 19 by the suction air (dashed arrow) is swirled by the collecting device.
Due to the body 10, an outward centrifugal force acts due to the swirling, and the coarse particles reach the outer wall 11 and rotate while passing through the coarse particle passage 14 from the coarse particle outlet 31 of the coarse particle discharge pipe 30 in the lower part of the storage tank body 1. Descends. The fine particles and the fine particles are transported from the outer wall 11 to the center as a semi-free vortex on the airflow guide plate 15 by the reaction of the airflow toward the center and the outward centrifugal force of the swirl, and are carried to the center. The fine particles and the fine particles are temporarily retained in the inside of the fine particle discharge cylinder 16 and separated in the fine particle discharge cylinder 16. Then by opening as a chain line in FIG. 1 the fine exhaust valve 33, granules while lowering the bottom of the tank body 1 from the fine outlet 32, particulate is through the fine exhaust pipe 17 with the suction air To the air source 6. These fine particles are small enough to enter the air source 6, but a filter may be attached to the intake side of the air source 6.

The coarse particle passage 14 in this embodiment is not formed in an annular shape as in the conventional example, but is formed as a through-hole only in a part thereof, so that there is an advantage that the flow velocity of the material-mixed air in the circumferential direction is improved. is there.

[0019] tank body 1 of the above embodiment, fitted with a metering means such as a load cell (not shown), may work simultaneously as the collecting device of the present invention as a weighing hopper.

A fine-grain discharge pipe is provided vertically below the fine-grain discharge tube 16 and the fine-grain outlet is connected to the material outlet 5.
It can also be seen directly above. The fine-grain discharge tube may be formed separately from the fine-grain discharge tube and connected to each other by a connecting means. Further, the fine-grain discharge pipe, the fine-grain discharge tube 16 and the airflow guide plate 15 may be separately provided so as to be separable from each other.

According to the embodiment of the present invention, the collecting device includes a storage tank , an outer wall provided on the upper portion of the storage tank, a canopy forming a separation chamber with the outer wall, an outer wall provided in the separation chamber. And a fine-grain discharge tube vertically suspended from the air-flow guide plate, and a fine-grain exhaust pipe for separating fine particles from fine particles. By using the principle, the material can be classified into coarse particles, fine particles, and fine particles and collected inside the collection device .

[0022]

According to the present invention, the coarse-grained passage formed between the outer wall and the airflow guide plate has only a part of the through-hole. Thus, the efficiency of collecting coarse particles is improved.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of one embodiment of the present invention.

FIG. 2 is a plan view of FIG. 1 from which a storage tank is omitted.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 storage tank body 6 air source 10 collector body 11 outer wall 13 canopy 14 coarse-grain passage 15 airflow guide plate 16 fine-grain discharge cylinder 17 fine-grain exhaust pipe 19 material inlet 30 coarse-grain discharge pipe 32 fine-grain outlet 33 fine-grain discharge valve

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Haruki Kimura 1-10-4 Nagao Furniture-cho, Hirakata City, Osaka Prefecture Matsui Works R & D Center (72) Inventor Konobu Takino Nagao Furniture, Hirakata City, Osaka Prefecture 1-10-4, Machi-cho, Matsui Manufacturing Co., Ltd. Technology Development Center (72) Inventor Osamu Matsui 6-5-26, Tanimachi, Chuo-ku, Osaka-shi, Osaka (56) References JP-A-55-137055 (JP, A (58) Fields surveyed (Int. Cl. ⁶ , DB name) B01D 45/12 B04C 5/103

Claims (1)

(57) [Scope of request for utility model registration] And 1. A tank body, and an outer wall which is provided on the top of the reservoir body, the canopy forming a separation chamber between the outer wall, the air flow guide forming the coarse passage between the outer wall is provided in the separation chamber A collecting device comprising a plate, a fine-grain discharge tube vertically provided on the airflow guide plate, and a fine-grain exhaust pipe for separating fine particles from the fine particles; a coarse-grain passage formed between the outer wall and the airflow guide plate; Is a trapping device characterized in that only a part of the trapping hole is provided.