TWI660048B - Treatment method for incineration recycling of stainless steel materials - Google Patents

Abstract

A treatment method for incineration and recycling of stainless steel materials includes shearing operations of stainless steel recovered materials to form the recovered materials into a plurality of primary bodies; providing a chemical etching operation to dissociate (impurity) attachments of the primary bodies; and Rolling operation to form a flat terminal body, which is used to melt the molten steel into the molten steel in the furnace of the steel plant to make a recycled stainless steel product. In essence, after the shearing operation, a knocking operation to strike the primary body is provided, which further cracks or separates the attachments of the primary body, and / or makes the attachments crack, which is beneficial to shorten the subsequent operation time and improve stainless steel. The quality of recycled products.

Description

Treatment method for incineration recycling of stainless steel materials

The invention relates to a treatment method for incineration and recycling of stainless steel materials; in particular, it refers to a technology that further cracks and recycles objects during the stainless steel waste recycling processing operation, in order to shorten the subsequent operation time and improve the quality of recycled products.

Recovering stainless steel waste from garbage incineration plant, applying high temperature melting of stainless steel reclaimed material from steel plant furnaces to form molten steel to make stainless steel recycled products, to achieve recycling and reuse, environmental protection, and economic benefits are already known skills. For example, Taiwan No. 82107709 "Method and device for continuously preheating charge materials", using steel-making raw materials to mix waste incineration fly ash and other substances, and No. 90111315 "reduction of waste incineration fly ash by electric arc furnace The "steel making method" patent case and the like provide typical examples.

Please refer to Figures 1 and 2 for the traditional processing operations of stainless steel materials or waste recycling. Basically, the stainless steel recyclate A (or its surface) recovered from the waste incineration plant will embed or adhere many impurities, chemical residues, dirt or other attachments B; in order to isolate these attachments B, the processing operations include shearing In the cutting operation, the stainless steel recovered material A is cut into a plurality of smaller volumes of primary bodies A1, A2, .... And, the primary bodies A1 and A2 are placed in the acidic agent C, and the acidic agent C erodes the primary bodies A1 and A2 to dissociate part of the attachment B; and, after the cleaning operation and the drying operation, the roller D rolling is performed Work to make the primary body A1 (or A2) into a smaller flat terminal body A10. In practice, the terminal body A10 will be distributed to a steel plant, and will be melted into a molten steel at a high temperature in the furnace to be made of recycled stainless steel.

A subject related to the implementation and operation of this type of stainless steel waste recovery and treatment operations is that in order to dissociate the adherend B from the stainless steel recovered material A (or the primary bodies A1 and A2) as much as possible, the acidic agent C must be made long. The time etch of the primary bodies A1 and A2 significantly increases the time and cost of processing operations.

As those who are familiar with this technology know, the acidic agent C can only dissociate part of the attachment B; therefore, when the terminal body A10 will be distributed to the steel plant, it will be melted into molten steel by the high temperature of the furnace, and more ash The slag and attachment B will be continuously suspended on the molten steel. In order to improve or reduce the molten steel impurities and avoid affecting the quality of recycled stainless steel, personnel must perform multiple slag removal operations; not only is the operation troublesome and time-consuming, but also increases the time and cost of processing operations, which is not our situation As expected.

Typically, these references show design skills related to stainless steel scrap or material recycling operations or disposal methods. If the stainless steel material recycling treatment method is redesigned to make its operation or process different from the user, and consider providing special treatment methods for further dissociation of impurities or attachments, it can be combined with this recycling treatment method, which will change the entire stainless steel The operation mode of the material recovery and processing operation is different from the old method; in fact, it will also significantly improve the processing time of conventional techniques and the quality of recycled stainless steel. These topics have not been taught or specifically disclosed in the above reference materials.

That is, the main purpose of the present invention is to provide a treatment method for incineration and recycling of stainless steel materials, including the cutting operation of the stainless steel recovered material to form the recovered material into a plurality of primary bodies; to provide a chemical etching operation to dissociate the primary body ( Impurities) attachments; and the primary body is rolled to form a flat terminal body for melting in a furnace of a steel plant to form a molten steel to make a recycled stainless steel product. In essence, after the shearing operation, a knocking operation to strike the primary body is provided, which further cracks or separates the attachments of the primary body, and / or makes the attachments crack, which is beneficial to shorten the subsequent operation time and improve stainless steel. The quality of recycled products.

According to the method for treating incinerated recycled stainless steel materials of the present invention, the striking operation is provided with a striking device. The percussion device includes a body, the body defines a cavity and an opening connecting the cavity, and provides a primary body to be inserted into the cavity from the opening; and the body (or cavity) is provided with a movement shaft and a movement shaft disposed on the movement shaft. A plurality of cantilevers. When the motion shaft is operated, the motion shaft drives the cantilever to agitate or hit the primary body, so as to further separate the attached matter.

Please refer to Figs. 3 and 4. The method for treating incinerated and recycled stainless steel materials of the present invention is applied to stainless steel waste recovered from garbage incineration plants, including:

The operation (a) is a shearing operation of the recovered material 10 made of stainless steel; the recovered material 10 having a plurality of attached objects 20 is cut to form a plurality of smaller volumes of primary bodies 11, 12...

Operation (b), providing a percussion operation; the operation beats or hits the primary bodies 11, 12 to lyse or separate (partial) attachments 20 of the primary bodies 11, 12 and / or makes the attachments 20 produces cracks.

In the adopted embodiment, the operation (b) or the striking operation may be provided with a striking device 30. The percussion device 30 includes a main body 31 having a cylindrical structure and a base frame 32 supporting the main body 31. The main body 31 defines a cavity 33 and an opening 34 connecting the cavity 33, and the primary bodies 11, 12 are inserted into the cavity from the opening 34. Inside the chamber 33; and the body 31 (or the chamber 33) is provided with a moving shaft 35 and a plurality of cantilevers 36 provided on the moving shaft 35.

In detail, the motion shaft 35 can be connected to the power source 40 (for example, a motor or the like), so that the motion shaft 35 can be reciprocated or rotated; and the cantilever 36 can be arranged in a regular (arranged) configuration and And / or a fixedly connected motion shaft 35 in an irregular (arranged) configuration.

In a feasible embodiment, the body 31 may be in a horizontal or upright position. According to the direction shown in the figure, the bottom of the body 31 (or the cavity 33) is provided with a plurality of through holes 37. When the movement shaft 35 is operated, the movement shaft 35 drives the cantilever 36 to agitate, hit the primary bodies 11, 12 and cause the primary bodies 11, 12 to hit each other, so that the coarse gray and other attachments 20 attached to the surfaces of the primary bodies 11, 12 Cracks or detachments are generated and separated, and the attached body 20 is discharged from the body 31 through the through hole 37; the operation (b) is beneficial to shorten the subsequent operation time and improve the quality of the stainless steel recycled product.

In operation (c), a chemical etching operation is provided; the primary bodies 11 and 12 after the tapping operation are put into a chemical 50; the chemical 50 may be selected from an acidic chemical, such as a sulfuric acid-containing component or the like. Because the primary bodies 11, 12 already had many attachments 20 falling off or cracked during operation (b), the medicine 50 was more easily dissociated from the (impurity) attachments 20 of the primary bodies 11, 12 and the operation was significantly shortened (c). Time, and get a cleaner primary body 11, (or 12) than the old method.

In practice, after operation (c), a chemical cleaning process of operation (c1) can be provided to remove the 50 parts of the drug remaining on the primary bodies 11, 12; and a drying process of operation (c2), The dried primary bodies 11 and 12 are obtained.

Operation (d), rolling operation is performed; the primary body 11 (or 12) is distributed through the roller 60 to perform the rolling operation, so that the primary body 11 (or 12) forms a flat terminal body 100 with a smaller volume, and the terminal body is allowed 100 is distributed to steel mills, which are used to melt molten steel into molten steel at high temperatures to make recycled stainless steel.

It should be noted that after the above operations (b) and (c), more attachments 20 than the old method are cracked or separated to obtain cleaner primary bodies 11, 12 (or terminal bodies 100), Relatively, the process of melting them into molten steel at the high temperature of the steel plant furnace has significantly reduced the situation where ash and slag 20 are suspended on the molten steel, and has improved the trouble and time-consuming situation of the personnel performing multiple slag removal operations. At the same time, it can reduce the molten steel impurities and improve the quality of stainless steel recycled products.

Representatively, compared with the old method, the treatment method of incineration and recycling of stainless steel materials includes the following advantages and considerations under the conditions of easy operation:

1. The processes (a), (b), (c), (d) and their related operating steps and organizational relationships have been redesigned and considered to make them different from conventional skills. For the old method; and, it changed its operation mode and application situation. For example, the operation (b) and the striking device 30 are provided; or the striking device 30 includes a body 31, a chamber 33, a combined movement shaft 35, a cantilever 36, and the like.

2. It can be understood that the operation (b) of the overall process provides a special treatment method to further cause the primary bodies 11, 12 to crack out more impurities or attachments 20, and significantly shorten the time of subsequent processing operations. And cost, and at the same time, it also has a better effect on the quality of recycled stainless steel than the old method.

Therefore, the present invention provides an effective treatment method for incineration and recycling of stainless steel materials. Its technical characteristics are different from those of the conventional art, and it has unparalleled advantages in the old method. It has shown considerable progress, and it is sufficient. Meet the requirements of invention patents.

However, the above are only feasible embodiments of the present invention, and are not intended to limit the scope of implementation of the present invention, that is, all equivalent changes and modifications made in accordance with the scope of the patent application for the present invention are covered by the scope of the invention patent .

10‧‧‧ Recyclables

11, 12‧‧‧ primary body

20‧‧‧ Attachments

30‧‧‧ Percussion device

31‧‧‧ Ontology

32‧‧‧ base frame

33‧‧‧ chamber

34‧‧‧ opening

35‧‧‧Motion shaft

36‧‧‧ cantilever

37‧‧‧through hole

40‧‧‧ Power source

50‧‧‧ Elixir

60‧‧‧roller

100‧‧‧ terminal body

A‧‧‧ stainless steel recycling

A1, A2‧‧‧ primary body

A10‧‧‧Terminal body

B‧‧‧ Attachment

C‧‧‧ Acidic Pharmacy

D‧‧‧roller

Figure 1 is a schematic diagram of the operation flow of a conventional method for recycling stainless steel materials.

Figure 2 is a schematic diagram of a rolling operation of a conventional method for recycling stainless steel materials.

Figure 3 is a schematic diagram of the working process of the present invention; depicting the situation where the striking device processes the primary body.

Figure 4 is a schematic diagram of the rolling operation of the present invention.

Claims (11)

A processing method for incineration and recycling of stainless steel materials includes: operation (a), cutting operation of stainless steel material recycling material; cutting stainless steel material recycling material with a plurality of attachments to form a plurality of primary bodies; operation (b), providing a The tapping operation strikes the primary body to separate the primary body from at least a part of the attachment; and operation (c) provides a chemical etching operation; placing the primary body after the striking operation into a chemical treatment. The method for treating incineration and recycling of stainless steel materials as described in item 1 of the scope of patent application, wherein after the operation (c), a chemical cleaning process of the operation (c1) and a drying process of the operation (c2) are provided; and In operation (d), a rolling operation is performed; the primary body is distributed through a roller, and the rolling operation is performed to form the primary body into a flat terminal body. The treatment method for incineration and recycling of stainless steel materials as described in the first scope of the patent application, wherein the tapping operation of operation (b) can cause the attachment of the primary body to crack; the operation (b) is provided with a tapping device The tapping device comprises a body, the body defines a cavity and an opening connected to the cavity; and the body cavity is provided with a movement shaft and a plurality of cantilever arms arranged on the movement shaft. The treatment method for incineration and recycling of stainless steel materials as described in the second item of the scope of the patent application, wherein the tapping operation of operation (b) can cause cracks in the attachment of the primary body; the operation (b) is provided with a tapping device The tapping device comprises a body, the body defines a cavity and an opening connected to the cavity; and the body cavity is provided with a movement shaft and a plurality of cantilever arms arranged on the movement shaft. The treatment method for incineration and recycling of stainless steel materials as described in the third item of the scope of the patent application, wherein the body has a cylindrical structure and a base frame supporting the body; the motion shaft can be connected to a power source to make the motion shaft reciprocating Movement type; the cantilevers are fixedly connected to the movement axis in at least one of a regular arrangement configuration and an irregular arrangement configuration. The treatment method of incineration and recycling of stainless steel materials as described in the fourth item of the scope of patent application, wherein the body has a cylindrical structure and a base frame supporting the body; the motion shaft can be connected to a power source to make the motion shaft reciprocating Movement type; the cantilevers are fixedly connected to the movement axis in at least one of a regular arrangement configuration and an irregular arrangement configuration. The treatment method for incineration and recycling of stainless steel materials as described in item 3 or 4 of the scope of the patent application, wherein the body is in one of a horizontal state and an upright state; the bottom of the body is provided with a plurality of through holes. The treatment method for incineration and recycling of stainless steel materials as described in item 5 or 6 of the scope of the patent application, wherein the body is in one of a horizontal state and an upright state; the bottom of the body is provided with a plurality of through holes. The treatment method for incineration and recycling of stainless steel materials according to any one of claims 1 to 6, wherein the agent in operation (c) is an acid agent. The treatment method for incineration and recycling of stainless steel materials as described in item 7 of the scope of patent application, wherein the agent in operation (c) is an acid agent. The treatment method for incineration and recycling of stainless steel materials as described in the item 8 of the scope of the patent application, wherein the agent in operation (c) is an acid agent.