JPH06195B2 - High-mix low-volume production system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention automatically manufactures a small amount of various products by processing a small number of main raw materials and a large number of auxiliary raw materials with process equipment such as a reactor. The present invention relates to a production system for high-mix low-volume products to be obtained.

[Prior Art] Conventionally, in a chemical plant of high-mix low-volume production, main raw materials and auxiliary raw materials are put into a reactor through pipes, and manufactured products or semi-finished products are transferred through pipes. Every time the product is switched, the reactor, piping, etc. must be cleaned for the entire plant, which has a great influence on the production efficiency.

On the other hand, chemical plants for high-mix low-volume production often use new raw materials because of the diversification of products. However, due to the existing equipment and the like, it is difficult to add piping every time a new raw material is adopted, and it is almost always the case that the new raw material has to be manually input. As a result, automation of chemical plants for high-mix low-volume production has been delayed.

[Problems to be Solved by the Invention]

The present invention has been made to solve such conventional problems, and an object of the present invention is to provide a production system for a high-mix low-volume product that does not require cleaning of the entire plant and can be automated. Especially.

[Means for Solving the Problems]

That is, a production system for a high-mix low-volume product that can achieve the above object is a production system for a high-mix low-volume product in which at least a main raw material and an auxiliary raw material are processed by a process equipment to produce a product or a semi-finished product. In, while supplying the main raw material through a pipe and supplying the auxiliary raw material by a transfer tank, after storing the semi-finished product of the product and the semi-finished product manufactured by the process equipment in an intermediate tank, again to the process equipment. It is characterized by being supplied.

Here, the auxiliary raw material means a solid main raw material in addition to the auxiliary raw material.

In this way, to the process equipment, the main raw material is supplied through the pipe and the auxiliary raw material is supplied by the transfer tank, and in the process equipment, after storing the semi-finished product of the manufactured product and the semi-finished product in the intermediate tank, again, By supplying to the process equipment, cleaning of the entire plant becomes unnecessary, production efficiency is improved, and the entire factory can be automated.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

In FIG. 1, 7 is a three-dimensional warehouse for raw materials, 8 is a three-dimensional warehouse for products and semi-finished products, and these two warehouses 7, 8
A process area 9 is provided between them. The process area 9 has two floors, and the reactor 1 is on the second floor.
Process equipment such as 0 or secondary processing machine 10A is installed. A control room 11 and a transfer area 12 are provided on the first floor.

The control room 11 is provided on the side of the raw material three-dimensional warehouse 7 so that the operator can immediately rush to the site when trouble occurs. On the other hand, the transfer area 12
Is provided on the side of the three-dimensional warehouse 8 for products or semi-finished products.
Further, the raw material three-dimensional warehouse 7 is provided with a raw material storage gate 25 and a raw material output gate 19, and the product and semi-finished product three-dimensional warehouse 8 is provided with a product and semi-finished product storage gate and a semi-finished product output gate. 28 is provided.

As shown in FIG. 2, a main raw material area 13 is provided adjacent to the above-mentioned process area 9 on the raw material three-dimensional warehouse 7 side.
Is provided. The liquid main raw material stored in the tank or drum 13A of the main raw material area 13 is supplied from these tanks or drums 13A to a reactor 10 which is a process device through a dedicated pipe 17. . Therefore, it is not necessary to clean these pipes 17 every time the production or the semi-finished product is switched.

Further, as shown in FIG. 2, a utility area 14 is provided on the side of the three-dimensional warehouse 8 for products or semi-finished products. This utility area 14 is used for the reactors 10 and 2
The main raw material, auxiliary raw material,
A heating source (steam, heat medium, etc.) necessary to obtain so-called process conditions that process semi-finished products and cause chemical changes, physical changes, etc. necessary to achieve preset composition properties. ) And a cold heat source (cooling water, brine, etc.), and these heat sources and cold heat sources are supplied to the process equipment by obtaining the utility pipe 17A. Therefore, it is not necessary to wash the utility area 14 and the utility pipe 17A each time the production or the semi-finished product is switched.

Further, the main raw material area 1 is sandwiched across the process area 9
A cleaning area 15 is arranged on the opposite side of the cleaning area 3 and the utility area 14. The side of the raw material three-dimensional warehouse 7 of the cleaning area 15 is a maintenance area 16.

On the other hand, an auxiliary raw material (referred to as an auxiliary raw material and a solid main raw material) stored in the raw material three-dimensional warehouse 7 is weighed by a weighing device 19 and then suspended in a dedicated raw material lift 18 (moving tank). ) 18A, and is introduced into the reactor 10 in which the main raw material has already been introduced. The product manufactured in the reactor 10 is weighed and packed by the transfer device 22 with the weighing device 19A, and then stored in the three-dimensional warehouse 8 for products and semi-finished products by the transfer device 22. The transport path R of the transport device 22 has a loop shape as shown in FIG. The above products may be immediately transported by a transport vehicle such as a truck without being stored in the warehouse 8.

By the way, the semi-finished products manufactured by the reactor 10 are put into intermediate tanks (not shown) by a predetermined amount, and then temporarily stored in the three-dimensional warehouse 8 for products and semi-finished products.

The semi-finished product hoist 21
Then, the intermediate tank 21A is lifted up together with the intermediate tank 21A, and as shown in FIG. Then, the product manufactured by the reactor 10 or the secondary processing machine 10A is weighed and packed by the transfer device 22 with the weighing device 19A, and then stored in the three-dimensional warehouse 8 for products and semi-finished products. On the other hand, the semi-finished products are put into intermediate tanks (not shown) by a predetermined amount, and then stored again in the three-dimensional warehouse 8 for products and semi-finished products.

Then, the empty intermediate tank 21A is transferred to the cleaning area 15 by the cleaning hoist 24, cleaned there, and then stored as an empty container 20 in the three-dimensional warehouse 8 for products and semi-products (see FIG. 4). ).

By using the above-mentioned raw material lift 18, semi-finished product hoist 21 and transfer device 22 with a weighing machine of automatic type, and by using the raw material three-dimensional warehouse 7 and the product or semi-finished product three-dimensional warehouse 8, the whole factory Can be automated.

In FIG. 2, 29 is a raw material receiving gate, 30 is a product shipping gate, 31 is a spare parts storage space, and 40 is a ceiling mounting rail for the raw material lift 18 and the semi-finished product hoist 21.

〔The invention's effect〕

As described above, the present invention supplies the main raw material to the process equipment through the pipe and the auxiliary raw material by the moving tank, and the semi-finished product among the products and semi-finished products produced by the process equipment is transferred to the intermediate tank. After the storage, the process equipment is supplied again, so that the cleaning of the entire plant is not required and the production efficiency is remarkably improved. In addition, the entire factory can now be automated.

[Brief description of drawings]

FIG. 1 is a side view showing an arrangement of equipment for implementing a production system for a large variety of small quantity products according to the present invention, and FIG. 2 is an arrangement of equipment for implementing a production system for a large variety of small quantity products according to the present invention. FIG. 3 is a plan view showing the flow of raw materials and products, and FIG. 4 is a plan view showing a transport path of the transport device. 18A ... dedicated bucket (moving tank), 21A ... intermediate tank.

Claims (1)

[Claims] In a production system for a high-mix low-volume product in which at least a main raw material and an auxiliary raw material are processed by a process equipment to produce a product or a semi-finished product, the main raw material is supplied to the process equipment via a pipe and the auxiliary raw material is moved. Supplied by a tank,
A production system for a high-mix low-volume product, wherein half-finished products among the products and semi-finished products manufactured by the process equipment are stored in an intermediate tank and then supplied again to the process equipment.