JP2007160205A - Apparatus for making water to be treated usable in waste disposal plant - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus for making water to be treated coming out of a waste disposal plant effectively usable in the waste disposal plant by making use of organic waste contained in the waste to be disposed in the waste disposal plant. <P>SOLUTION: The apparatus for making water to be treated usable in a waste disposal plant comprises a carbonization device 14 for carbonizing organic waste 10 contained in waste 2 collected in a waste disposal plant 1 to generate combustible gas 17, a distillation device 20 for distilling water 19 to be treated coming out of the waste disposal plant 1 by burning the combustible gas 17 to produce distilled water 22, and a distilled water supplier 24 for supplying the waste disposal plant 1 with the distilled water 22 as utility water 23. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention uses the combustible gas generated by dry distillation of organic waste (biomass) among the waste collected in the waste treatment facility, and generates the waste to be treated from the waste treatment facility. The present invention relates to an apparatus for using water to be treated in a waste treatment facility that can use treated water as water for the waste treatment facility.

  Conventionally, there is a waste treatment facility disclosed in Patent Document 1 below. According to this publication, a carbonization device for carbonizing the wood resources as the organic waste to produce combustible gas and carbide, and steam generated by the combustion heat of the combustible gas, And a power generation device for generating power.

That is, according to the waste treatment facility, wood resources that are waste are effectively used, and electric power can be obtained by the power generation device.
2004-239162

  By the way, in general, in the final disposal site in the waste treatment facility, an open-pit-like recess that extends greatly over a vast land is constructed. A water shielding sheet is laid on the bottom surface of the recess, and waste is stored in the recess. In this case, a large amount of water, which is mainly rainwater, naturally accumulates at the bottom of the recess, which is not preferable. Therefore, conventionally, the above-mentioned water is purified as a water to be treated, that is, treated water by a water treatment device such as an activated sludge method, and after being filtered by a water treatment device using activated carbon, as a fresh water as a general river. Has been released.

  On the other hand, in the waste treatment facility, a large amount of water is used for cooling an incinerator or a roasting furnace, and these waters are procured mainly by pumping up ground water.

  Therefore, as described above, in the conventional technique, among the wastes in the waste treatment facility, the organic waste is useful for power generation. On the other hand, in the above waste treatment facility, although a large amount of water is procured mainly by pumping up groundwater, the treated water generated from this waste treatment facility is not used at all and is complicated. It is discharged to the outside of the waste treatment facility through the water treatment work. For this reason, there is room for improvement in using the water to be treated more effectively in the waste treatment facility.

  The present invention has been made paying attention to the above-described circumstances, and the object of the present invention is to use organic waste, which is waste in the waste treatment facility, to produce the waste generated from the waste treatment facility. The treatment water is used effectively inside the waste treatment facility.

  The invention according to claim 1 includes a carbonization device 14 for carbonizing organic waste 10 out of the waste 2 collected in the waste treatment facility 1 to generate a combustible gas 17, and combustion of the combustible gas 17. The distillation apparatus 20 which distills the to-be-processed water 19 produced from the said waste treatment facility 1 and produces | generates the distilled water 22 and the distilled water supply apparatus which supplies the said distilled water 22 to the said waste treatment facility 1 as the water 23 24.

  According to a second aspect of the present invention, in addition to the first aspect of the invention, the waste treatment facility 1 includes at least one of an incinerator 3 and a roasting furnace 6 for the waste 2, and this furnace On the other hand, the distilled water 22 is supplied by the distilled water supply device 24 as the cooling water 23.

  In addition to the invention of claim 1, the invention of claim 3 is driven by the boiler 30 that generates steam 29 by heating the water 28 for power generation by the combustion heat of the combustible gas 17 and the steam 29. A steam turbine generator 31 is provided.

  According to a fourth aspect of the invention, in addition to the third aspect of the invention, the distilled water 22 is used as the water 28 for power generation.

  In this section, the reference numerals appended to the above terms are not to be construed as limiting the technical scope of the present invention to the section “Example” described later or the contents of the drawings.

  The effects of the present invention are as follows.

  The invention according to claim 1 is a method of producing a combustible gas by dry distillation of organic waste from waste collected in a waste treatment facility, and the waste treatment by combustion of the combustible gas. A distillation apparatus that produces distilled water by distilling the water to be treated generated from the facility; and a distilled water supply apparatus that supplies the distilled water as water to the waste treatment facility.

  That is, combustible gas is generated from organic waste that is waste in the waste treatment facility, and the water to be treated generated from the waste treatment facility is distilled water by the combustion heat of the combustible gas. Distilled water is used as various water in the waste treatment facility. For this reason, by using the organic waste in the waste treatment facility, the water to be treated generated from the waste treatment facility is effectively used inside the waste treatment facility. As a result, firstly, the complicated work of, for example, pumping up ground water for the water used in the waste treatment facility is more certainly unnecessary, and secondly, the water to be treated is disposed of in this wastewater. Since it does not have to be discharged to the outside of the waste treatment facility, it is beneficial to prevent the environment around the waste treatment facility from being burdened.

  According to a second aspect of the present invention, the waste treatment facility includes at least one of a waste incinerator and a roasting furnace, and the distilled water is supplied as cooling water to the furnace. The distilled water is supplied by an apparatus.

  That is, the distilled water is used as water for at least one of the incinerator and the roasting furnace. For this reason, for example, the complicated work of pumping up ground water for the cooling water is more reliably unnecessary and beneficial.

  The invention of claim 3 includes a boiler that generates steam by heating water for power generation by the combustion heat of the combustible gas, and a steam turbine generator driven by the steam.

  For this reason, the combustible gas is also used for power generation, and thus the waste in the waste treatment facility is effectively used.

  The invention of claim 4 uses the distilled water as the water for power generation.

  That is, the distilled water is used for power generation. Therefore, for the above-mentioned water for power generation, for example, the troublesome work of pumping up groundwater is more reliably unnecessary and beneficial.

  Regarding the apparatus for using water to be treated in the waste treatment facility of the present invention, by using the organic waste that is the waste in the waste treatment facility, the water to be treated generated from the waste treatment facility is converted into the waste treatment facility. The best mode for carrying out the present invention is as follows in order to realize the purpose of being effectively used inside the computer.

  That is, the treated water utilization device includes a carbonization device that produces organic combustible gas from the waste collected in the waste treatment facility to generate combustible gas, and combustion of the combustible gas. A distillation apparatus that distills water to be treated generated from the waste treatment facility to generate distilled water; and a distilled water supply device that supplies the distilled water as water to the waste treatment facility.

  In order to explain the present invention in more detail, an embodiment thereof will be described with reference to the accompanying drawings.

  Reference numeral 1 in the figure denotes a waste treatment facility. The waste 2 collected in the waste treatment facility 1 is general waste and industrial waste, which includes waste plastic, waste tires, and wood waste, such as building waste wood, thinned wood, and wood waste. Is included.

  The waste treatment facility 1 includes an incinerator 3 that incinerates the waste 2, a roasting furnace 6 that burns a burned shell 4 discharged from the incinerator 3, and a fired product 5, and the waste A water treatment apparatus 7 of a closed circuit system in the treatment facility 1 is provided. In the case where the burning shell 4 is fired, when it is heated to 1200 to 1300 ° C., it is melted into a glass. Then, it heats to 1000-1100 degreeC immediately before that, Preferably, it heats to about 1050 degreeC and bakes.

  The waste 2 used in the to-be-treated water utilization apparatus 7 is an organic waste 10 called biomass, and more specifically a wood waste. The treated water utilization device 7 includes a crusher 12 that crushes the organic waste 10 into wood chips 11 and a carbonization device 14 that carbonizes the wood chips 11 fed by the conveyor 13 at 600-650 ° C. ing. This carbonization apparatus 14 is a pyrolysis gasification furnace (indirect heating kiln). The carbonization device 14 generates harmless carbide 16 and combustible gas 17 from the wood chip 11. The said carbide | carbonized_material 16 is utilized as a structural material of a building material, for example.

  The treated water utilization device 7 includes a distillation device 20 that distills about 300 Ton / D treated water 19 generated from the waste treatment facility 1 through the water treatment device by the combustion heat of a part of the combustible gas 17. ing. The distillation apparatus 20 generates a harmless salt 21 and distilled water 22 by distillation of the water to be treated 19. The salt 21 is used as a snow melting material, for example.

  A distilled water supply device 24 for supplying a part of the distilled water 22 to the incinerator 3 and the roasting furnace 6 of the waste treatment facility 1 as cooling water 23 is provided. The distilled water supply device 24 includes a water pump 26 that supplies the distilled water 22 generated by the distillation device 20 to the incinerator 3 and the roasting furnace 6 through a filter 25. The water 23 after cooling the incinerator 3 and the roasting furnace 6 is sent to the distillation apparatus 20 as part of the water to be treated 19 generated from the waste treatment facility 1 and distilled again. The distilled water 22 may be supplied to only one of the incinerator 3 and the roasting furnace 6.

  The treated water utilization device 7 includes a boiler 30 for generating steam 29 by heating the water 28 for power generation by the combustion heat of the other part of the combustible gas 17, and about 1400 kw / H driven by the steam 29. A steam turbine generator 31 is provided. The other portion of the distilled water 22 is used as the water 28. The other part of the distilled water 22 is supplied to the boiler 30 by the distilled water supply device 24. At least a part of the electric power generated by the generator 31 is consumed in each device of the waste treatment facility 1.

  According to the above configuration, among the waste 2 collected in the waste treatment facility 1, the organic distillation waste 10 is subjected to dry distillation to generate the combustible gas 17, and the combustion of the combustible gas 17 is performed. A distillation apparatus 20 that distills the water to be treated 19 generated from the waste treatment facility 1 to generate distilled water 22, and a distilled water supply device 24 that supplies the distilled water 22 to the waste treatment facility 1 as water 23. And.

  That is, the combustible gas 17 is generated from the organic waste 10 that is the waste 2 in the waste treatment facility 1, and the treated water 19 generated from the waste treatment facility 1 is the combustion heat of the combustible gas 17. The distilled water 22 is used as various waters 23 in the waste treatment facility 1. For this reason, by using the organic waste 10 in the waste treatment facility 1, the water to be treated 19 generated from the waste treatment facility 1 is effectively used inside the waste treatment facility 1. As a result, first, for example, the troublesome work of pumping up ground water for the waters 23 and 28 in the waste treatment facility 1 becomes unnecessary, and secondly, the treated water. 19 is not required to be discharged to the outside of the waste treatment facility 1, so that it is possible to prevent the environment around the waste treatment facility 1 from being burdened.

  In addition, as described above, the waste treatment facility 1 includes at least one of the incinerator 3 and the roasting furnace 6 for the waste 2, and the cooling water 23 is provided to the furnace. The distilled water 22 is supplied by the distilled water supply device 24.

  That is, the distilled water 22 is used as water 23 for at least one of the incinerator 3 and the roasting furnace 6. For this reason, for example, the troublesome work of pumping up ground water for the cooling water 23 is more reliably unnecessary and beneficial.

  Further, as described above, the power generation water 28 is heated by the combustion heat of the combustible gas 17 to generate the steam 29 and the steam turbine generator 31 driven by the steam 29 is provided. .

  For this reason, the combustible gas 17 is also used for power generation, and thus the waste 2 in the waste treatment facility 1 is effectively used.

  Further, as described above, the distilled water 22 is used as the water 28 for power generation.

  That is, the distilled water 22 is used for power generation. Therefore, for the power generation water 28, for example, the complicated work of pumping up groundwater is more reliably unnecessary and beneficial.

  In addition, although the above is based on the example of illustration, since the carbide | carbonized_material 16 and the salt 21 are harmless, this may be landfilled simply in a final disposal site.

1 is an overall simplified diagram of a waste treatment facility.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Waste disposal equipment 2 Waste 3 Incinerator 4 Burning husk 5 Burned product 6 Roasting furnace 7 Equipment to be treated 10 Organic waste 14 Carbonization equipment 16 Carbide 17 Combustible gas 19 Treated water 20 Distillation equipment 21 Salt 22 Distilled water 23 Water 24 Distilled water supply device 28 Water 29 Steam 30 Boiler 31 Generator

Claims (4)

  Among the wastes collected in the waste treatment facility, a dry distillation device for producing a combustible gas by carbonizing organic waste, and water to be treated generated from the waste treatment facility by the combustion of the combustible gas. An apparatus for using water to be treated in a waste treatment facility, comprising: a distillation device that produces distilled water by distillation; and a distilled water supply device that supplies the distilled water as water to the waste treatment facility.   The waste treatment facility includes at least one of a waste incinerator and a roasting furnace, and the distilled water is supplied to the furnace by the distilled water supply device as cooling water. The apparatus for using water to be treated in the waste treatment facility according to claim 1, wherein:   The waste according to claim 1, comprising a boiler that generates steam by heating water for power generation using combustion heat of the combustible gas, and a steam turbine generator driven by the steam. Equipment for using treated water in treatment facilities.   The apparatus for using treated water in a waste treatment facility according to claim 3, wherein the distilled water is used as the water for power generation.

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