JP3002517U - Internal structure of melting furnace - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention relates to the internal structure of a melt container in a melting furnace for melting and treating incineration ash and the like in order to reduce the volume, eliminate pollution, and recycle. The purpose is to obtain an economical internal structure of the melt container, which enables quick and easy replacement and repair of refractory materials for containers such as incineration ash in the melting furnace. is there. [Structure] In a melting furnace that melts incinerated ash, etc., the inside of the container of the melt is composed of a replaceable cartridge type refractory material that is corrosion resistant to the melt, and the melt is batch type The melt container to be treated in a continuous manner or in a continuous manner is constituted by an outer wall surface, a fireproof heat insulating material, a flexible fireproof heat insulating material, and a replaceable cartridge type fireproof material from the outside.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to the internal structure of a melt container in a melting furnace that melts and treats incinerated ash and the like in order to reduce the volume, eliminate pollution, and recycle.

[0002]

[Prior art]

 Here, the ash obtained by burning waste containing organic matter and melting the ash, or the ash obtained by adjusting the composition of the incineration ash obtained by burning the waste, or the granular material prepared by adjusting the composition of powdered inorganic waste is incinerated. It is called ashes. Conventionally, since the internal refractory material of the furnace that melts the incinerated ash has a severe erosion property of the molten material, as shown in FIG. 5, a high aluminum quality refractory material a is used as the refractory material a in direct contact with the molten material. Construction using a refractory material, silicon carbide-based refractory material, etc., and forming a water cooling jacket c having a cooling water inlet d and an outlet e between it and the casing b to cool the refractory material, and at the same time self The lining protects the refractory material a.

[0003]

[Problems to be solved by the device]

 However, the refractory a in the furnace is cracked by repeated operation and stoppage of melting work of incineration ash, etc., and molten slag penetrates into it to damage the refractory, and the thickness of the refractory a is reduced, resulting in heat insulation. The effect is reduced and the amount of heat radiation is increased. For this reason, for example, 80 mm refractory material must be repaired in about 3 months, and the repair work requires a great deal of time and labor to chip and place the damaged refractory material and replace it. It was also bulky and not economical. Therefore, the present invention has been made in view of the above-mentioned problems of the prior art and has been made in order to solve the problems, and it is possible to easily replace and repair the refractory material for containers such as incineration ash in a melting furnace in a short time. The purpose is to obtain an economical internal structure of the melt container that can be operated and has good operating efficiency.

[0004]

[Means for Solving the Problems]

 As a means to solve this problem, the present invention relates to a melting furnace for melting incineration ash, etc., in which the inside of the melt container is composed of a replaceable cartridge type refractory material that is corrosion resistant to the melt. In addition, a melt container that processes the melt batchwise or continuously is composed of an outer wall surface, a fire insulation material, a flexible fire insulation material, and a replaceable cartridge-type refractory material. is there.

[0005]

【Example】

 A concrete configuration of the present invention will be described in detail below with reference to an embodiment shown in the drawings. 1 to 3 show a first embodiment in which the present invention is applied to a batch type melt container. A melting furnace 1 for melting incineration ash or the like has a casing 2 protected by a refractory material 3 and a slag thereof. The melt container 5 of the present invention is connected to the outlet 4 via a flange 6. In the melt container 5, a brick or castable refractory heat-insulating material 8 made of castable refractory material is coated and fixed on the inner wall surface of the casing 7, and a flexible fire-resistant heat insulating material 9 made of ceramic fiber or rock wool is lined on the inner surface side. Then, the cartridge type refractory material 10 is disposed on the inner surface so as to be replaceable. This cartridge-type refractory material 10 is made of a plastic refractory material such as a high-alumina material or a silicon carbide-based material that is corrosion resistant to a melt, and has a side plate 11 and a bottom plate 12 with a thickness of 5 mm to 50 mm. The side plate 11 and the side plate 11 and the bottom plate 12 are jointed with the same plastic castable refractory material. The shape of the product after cooling the melt 13 stored therein can be determined by the inner wall shape of the side plate 11 and the bottom plate 12. In FIG. 2, the batch type melt container 5 for producing a cubic product is used, but a cylindrical product can be obtained by changing the shapes of the side plate 11 and the bottom plate 12 into a cylindrical shape as shown in FIG.

With this structure, while the incinerator ash and the like are being melted in the melting furnace 1, cracks are generated in the cartridge type refractory material 10 and the molten slag penetrates and is damaged. Therefore, the melting furnace 1 is stopped and repair work is performed. In this repair work, only the damaged cartridge-type refractory material 10 in the melt container 4 is taken out, and a new cartridge-type refractory material 10 is fitted and the joint work is carried out. At that time, since the cartridge type refractory material 10 is lined with the flexible refractory insulation material 9 between the refractory insulation material 8 on the inner wall surface of the casing 7, the flexible refractory insulation material 9 is used. Thus, the old and new cartridge type refractory material 10 can be fitted and removed very smoothly, and the replacement work can be performed easily in a short time. Further, if a new cartridge type refractory material 10 is assembled in advance in a cubic shape or a cylindrical shape according to the shape of the melt container 5 prior to this replacement work, the replacement can be carried out more quickly.

FIG. 4 shows a second embodiment in which the present invention is applied to a continuous type melt container, in which a melt is formed on a side wall surface of a casing 23 of a melt container 22 integrally connected to a continuous melting furnace 21. An outlet nozzle 24 is attached, and the casing 23 and the melt outlet nozzle 24 are covered with a refractory heat insulating material 8 made of brick or castable refractory material on the inner wall surfaces thereof, as in the first embodiment. A flexible refractory heat insulating material 9 made of fiber or rock wool is lined, and a cartridge type refractory material 10 made of high alumina or a plastic refractory material such as silicon carbide is replaceably arranged on the inner surface. ing. Also in the second embodiment, the repair work for the melt container 22 may be performed by replacing only the cartridge type refractory material 10 with a new cartridge type refractory material 10 as in the first embodiment.

[0008]

[Effect of device]

 As described above in detail with reference to the embodiments, the present invention is an easily replaceable cartridge type refractory that is corrosion resistant to the melt applied to the inner wall surface of the melt container of the furnace for melting incineration ash and the like. It is a replacement work of old and new cartridge type refractory materials that only needs to be taken out, new cartridge type refractory material is fitted and joints are applied, so repair work can be performed in a short time and extremely easily. Is. In addition, the flexible refractory insulation is lined between the refractory insulation on the inner wall surface of the melt container and the cartridge refractory, so it is extremely easy to insert and remove the old and new cartridge refractory. The cartridge type refractory that is replaced by the thermal insulation effect of this flexible refractory insulation is one-fourth the thickness of the conventional cartridge refractory. Therefore, it is lightweight and easy to replace, and the cost can be reduced to about one third. Also, when the melt is cooled or crystallized into resources, it can absorb the shrinkage force of the product and suppress the occurrence of cracks in the product, and it can be mounted securely and robustly against external force such as vibration and impact. Etc. have excellent effects.

[Submission date] April 18, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] 0002

[Correction method] Change

[Correction content]

[0002]

[Prior art]

Here, called ash waste was combustion containing organic substances, or the waste was composition adjusted baked却灰burned ash, or particulate inorganic waste composition adjusted granular material and incineration ash ing. Conventionally, since the internal refractory material of the furnace that melts the incinerated ash has a severe erosion property of the molten material, as shown in FIG. Construction using a refractory material, silicon carbide refractory material, etc., and forming a water cooling jacket c having a cooling water inlet d and an outlet e with the casing b to cool the refractory material and at the same time self The lining protects the refractory material a.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view of a batch type melt container according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a cartridge type refractory material of the melt container.

FIG. 3 is a perspective view of another usage example of the cartridge-type refractory material.

FIG. 4 is a vertical sectional side view of a continuous type melt container which is a second embodiment of the present invention.

FIG. 5 is a perspective view of a conventional melt container such as incinerated ash.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Melting furnace 5 batch type melt container 7 Casing 8 Fireproof heat insulating material 9 Flexible fireproof heat insulating material 10 Cartridge type fireproof material 11 Side plate 12 Bottom plate 21 Melting furnace 22 Continuous melt container 24 Melt outlet nozzle

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Creator Kenji Suzuki 2-17-15 Tsukushima, Chuo-ku, Tokyo Tsukishima Kikai Co., Ltd.

Claims (3)

[Scope of utility model registration request] 1. A melting furnace for melting incineration ash or the like, characterized in that the inside of the container of the melting material is constituted by a replaceable cartridge type refractory material having corrosion resistance to the melting material. Internal structure of the container. 2. The melt container according to claim 1, wherein the melt container is a batch-type container for processing the melt, and the container is arranged from the outside to the outer wall surface.
An internal structure of a melt container characterized in that it comprises a refractory insulation material, a flexible refractory insulation material, and a replaceable cartridge-type refractory material in this order. 3. The melt container according to claim 1, wherein the melt container is a container for continuously processing the melt, various nozzles are attached to the container, the outer wall surface, the fireproof heat insulating material, the flexible fireproof heat insulating material, and a replacement Internal structure of a melt container, characterized in that it is composed of possible cartridge type refractory materials in order.