JPH10339414A - Power generation apparatus using refuse solidified fuel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure effective use of an apparatus, and miniaturization and saving of a plant. SOLUTION: The present power generation apparatus using a refuse solidified fuel is adapted such that a refuse solidified fuel is produced using as a medium as molten plastics binder that is produced by melting plastics in refuse, and the refuse solidified fuel is ground by a grinder to produce a refuse powder fuel C16, which fuel C16 is then combusted using a combustion gas producing furnace 14 to produce combustion gas C17. After the combustion gas C17 is produced, the combustion gas C17 is supplied to an engine 17 to drive the same for high speed rotation of a power generator 19. Thus, the refuse powder fuel is combusted without producing noxious gas, and combustion gas produced with the combustion is effectively and advantageously utilized for power generation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power generator using solidified solid fuel.

[0002]

2. Description of the Related Art As is well known, in order to eliminate harmful gases (dioxin and the like) generated in the combustion of waste, a configuration in which the waste is used as a solidified fuel, and the use of solidified fuel has been spotlighted. An apparatus or method has been proposed. Many of them have reached practical use, and are making their way to solidified waste fuels. However, there is some problem in the post-treatment of solidified fuel produced by such a device. In other words, an example in which this kind of solidified fuel is burned and utilized as a combustion raw material for various kinds of power is described.A complicated and expensive dedicated boiler for combustion is required for such combustion and the like. Problem. Therefore, at present, the solidified waste fuel is not fully utilized. Further, the solidified solid fuel device and the power generation device are individually arranged. In other words, there is a problem in avoiding the generation of the harmful gas.

[0003] In view of the above, the present applicant intends to efficiently use the solidified waste fuel while efficiently and surely solidifying the solid waste, and intend to generate electric power (generate power).

[0004] In addition, as a power generating apparatus for generating power and using combustion gas, there are disclosed a method of generating a gas turbine with a refuse incinerator disclosed in Japanese Patent Application Laid-Open No. H5-222952 and a gas turbine power plant described in Japanese Patent Application Laid-Open No. H5-214956. , Etc.

[0005]

There are some problems in reusing the solidified solid fuel produced by this type of solidified solid fuel device as a resource, and for beneficial use. is there. In addition, as described above, the solidified solid fuel device and the power generation device are individually arranged, so that the effective use of the devices cannot be achieved, the size of the plant cannot be reduced, and labor saving cannot be achieved. There are issues.

According to the invention disclosed in Japanese Patent Application Laid-Open No. H5-222952, when gas turbine power is generated, the discharge air of an air compressor attached to the gas turbine is cooled by a water supply preheater, and then the high-pressure air is incinerated. Reheated by waste heat in the furnace, and the feedwater heated by the feedwater preheater is heated by the exhaust of the gas turbine to generate steam, and the steam is reheated by the refuse incinerator to the high-pressure air. After mixing, it is configured to be introduced into a combustor associated with the gas turbine.The steam is reheated in a refuse incinerator, then mixed with high-pressure air, and the high-pressure air mixed with the steam is introduced into the combustor. Features. Although the present invention is configured to perform gas turbine power generation, the present invention does not intend to generate power using combustion gas generated by incineration of refuse-solidified fuel.

[0007]

SUMMARY OF THE INVENTION According to the present invention, a refuse-solidified fuel is pulverized into a refuse powdered fuel, and then burned to produce a combustion gas. The combustion gas is supplied to a gas turbine engine. The gas turbine engine and the generator are driven to generate power, and the refuse powder fuel is burned without generating harmful gas, and the combustion gas generated by this combustion can be effectively and beneficially used.

According to the present invention, a plastic contained in refuse is melted to produce a molten plastic binder,
A crusher for crushing the refuse-solidified fuel generated by the refuse-solidifying fuel device for solidifying the refuse using a molten plastic binder as a medium, and burning the refuse powder fuel generated by the crusher. A combustion gas generation furnace that generates combustion gas by combustion, an engine to which combustion gas generated by the combustion gas generation furnace is supplied, and a generator driven by the engine;
This is a power generator using the solidified solid fuel.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Waste is crushed using a crusher to generate crushed fuel. Metals are collected from the crushed fuel using a magnetic separator, and are mainly classified into combustible crushed fuel and plastics. The combustible waste crushed fuel and plastics are charged into a molding machine, and slaked lime is charged from the viewpoint of suppressing the generation of chlorine gas generated during combustion described later. During this molding,
Mainly thermoplastic plastics are heated and melted,
A molten plastic binder is generated, and this molten plastic binder functions as an adhesive and also serves as a coating material on the outer peripheral surface of the molded solidified fuel. There is a feature that is useful for producing shaped fuel.

[0010] The solidified solid fuel is then pulverized by using a pulverizer to produce a dust powder fuel. The particle size of the refuse powder fuel is desirably as small as possible, but there is no specific numerical value. This refuse powdered fuel is supplied to a combustion gas generating furnace via a conveying means, and in the furnace, the supply of oxygen is suppressed to eliminate the generation of carbon monoxide. In other words, it is intended to be used at all to prevent pollution. The combustion gas generated in the combustion gas generating furnace is supplied from a carburetor to a gas turbine engine via a pipe, and outside air is taken in at the time of the supply to ensure reliable combustion in the gas turbine engine. Run the engine at high speed. This rotation is transmitted to the generator via the rotating shaft, and the generator is driven to generate power with high efficiency.

[0011]

An embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show a solidified fuel system A, FIG.
Indicates a power generator B, respectively.

The solidified solid fuel device A will be described in detail. There is a pit 1 for storing the refuse C. The refuse C taken out from the pit 1 is crushed by a crusher 2 that crushes to a predetermined size and can be burned. The crushed fuel C12 is generated. The crushed fuel C12 is separated into metals C11 and crushed fuel C12 or plastics C13 using the magnetic separator 3. The internal refuse crushed fuel C12 and the plastics C13 are sequentially supplied to the drying device 5 using the quantitative supply device 4, and are dried by the hot air from the hot air generator 6 supplied to the drying device 5. Dried crushed fuel C12 and plastics C
13 is further sorted by the vibrating wind separator 7 where the residual metals C111 are removed. The sorted crushed fuel C12 and plastics C13 are introduced into the stirrer 8 and mixed with the slaked lime C14 introduced into the stirrer 8 by stirring. 9 denotes a slaked lime tank, 10 denotes a dust collector, and 11 denotes a deodorizer. The agitated and mixed refuse crushed fuel C12 and plastics C13 are then pressed into the molding machine 12 and heated, and the plastics C13 are melted to form a molten plastic binder C131. The binder C131 functions not only as an adhesive, but also as a coating material on the outer peripheral surface of the solidified solid fuel C15 to be molded, and is useful for forming a fixed and stable solid solidified fuel C15. .
Through the above steps (one example), the solidified solid fuel C15
Is generated. The number of molding machines 12 is free.

The solidified solid fuel C15 is supplied to the pulverizer 1
By pulverizing to a predetermined particle size in step 3, dust powder fuel C16 is generated.

The power generator B in FIG. 3 will be described in detail. The refuse powdered fuel C16 generated by the crusher 13 is supplied to a combustion gas generating furnace 14 and is ignited by an ignition burner 141 provided in the combustion gas generating furnace 14. The fuel is ignited and burned, and is efficiently burnt to produce combustion gas C17. The combustion gas C17 is sent to the carburetor 16 via the pipe 15, and the carburetor 1
6 and is supplied to the gas turbine engine 17 while taking in the outside air C18, and the gas turbine engine 17 is rotated at a high speed. This rotation is performed by the generator 1 via the rotating shaft 18.
9 to drive the generator 19. The configuration is such that power is efficiently generated through the driving of the generator 19. Reference numeral 20 denotes a switchboard.

[0016]

According to the present invention, a solidified fuel is produced by using a molten plastic binder produced by melting plastics in waste as a medium, and the solidified fuel is pulverized by a pulverizer. After generating the refuse powder fuel and burning the refuse powder fuel by using a combustion gas generating furnace to generate a combustion gas, the combustion gas is supplied to an engine and the engine is driven to generate a generator. This is a power generator using high-speed rotating refuse-solidified fuel. Therefore, after solidifying the refuse-solidified fuel, turning it into refuse powder fuel, burning it to produce combustion gas, and supplying this combustion gas to the gas turbine engine,
It is configured to generate power using a generator, and has the characteristics that it burns refuse powder fuel without generating harmful gas and that the combustion gas generated by this combustion can be used effectively and beneficially.
Further, the present invention has a structure suitable for practical use, in which the apparatus is simple, operation is easy, cost is low, running cost is low, and the like.

[Brief description of the drawings]

FIG. 1 is a flow chart showing a first half of a solidified solid fuel device.

FIG. 2 is a flowchart illustrating a rear half of the solidified solid fuel device.

FIG. 3 is a flowchart illustrating a power generator.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pit 2 Crusher 3 Magnetic separator 4 Quantitative feeder 5 Drying device 6 Hot air generator 7 Vibrating wind separator 8 Stirrer 9 Slaked lime tank 10 Dust collector 11 Deodorizer 12 Molding machine 13 Crusher 14 Combustion gas generation furnace 141 Ignition burner 15 Piping 16 Carburetor 17 Gas turbine engine 18 Rotating shaft 19 Generator 20 Switchboard A Waste solidification fuel system B Power generator C Waste C11 Metals C111 Residual metals C12 Waste crushed fuel C13 Plastics C131 Molten plastic binder C14 Slaked lime C15 Waste Solidified fuel C16 Waste powder fuel C17 Combustion gas C18 Outside air

Continued on the front page (51) Int.Cl. ⁶ Identification code FI F23G 5/00 ZAB F23G 5/00 ZAB 115 115Z 5/033 ZAB 5/033 ZABA 7/12 ZAB 7/12 ZABZ

Claims (2)

[Claims] 1. A refuse-solidified fuel device that melts plastics contained in refuse to produce a molten plastics binder and solidifies the refuse using the molten plastics binder as a medium. A crusher for crushing the shaped fuel, a combustion gas generator for burning the refuse powder fuel generated by the crusher to generate a combustion gas, and a combustion gas generated by the combustion gas generator. And a generator driven by this engine, and a generator using refuse-solidified fuel. 2. The power generator using refuse-solidified fuel according to claim 1, wherein the engine is a reciprocating engine, and the combustion gas is supplied through a carburetor.