JP2001247872A - Apparatus and process for waste treatment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus for waste treatment reduced in operating cost and size. SOLUTION: This apparatus is provided with a thermal decomposition apparatus 1, a thermal decomposition gas treater 2, and a waste gas treater 3 connected in series in the given order. The apparatus 1 is constituted so that a thermal decomposition gas may be obtained by heating waste containing organic matter. The treater 2 is constituted so that the thermal decomposition gas may be cooled to separate and recover a condensible higher hydrocarbon gas component therefrom. By separating the condensible component from the thermal decomposition gas by means of the treater 2, it is possible to reduce the amount of the thermal decomposition gas to be treated in the treater 3 and to diminish the quantity of heat of combustion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waste processing apparatus for obtaining a pyrolysis gas by heating a waste containing an organic matter, and more particularly to a pyrolysis gas obtained in such a manner. The present invention relates to a waste treatment apparatus in which the treatment of (1) is improved.

[0002]

2. Description of the Related Art Conventionally, a waste containing organic matter is heated to obtain a pyrolysis gas, and then the pyrolysis gas is burned.
BACKGROUND ART There is known a waste treatment apparatus which generates a clean gas (clean (clean) fuel gas) by performing gas reforming and gas purification.

[0003] In this case, the combustion of the pyrolysis gas is performed by a high-temperature combustion device on the downstream side of the pyrolysis device 1, from which it is discharged as combustion exhaust gas through an exhaust gas treatment device.
Further, gas reforming and gas purification of the pyrolysis gas are performed by the gas reforming device 4 and the gas purifying device on the downstream side of the pyrolysis device 1, respectively.

[0004]

However, in the above-mentioned conventional waste treatment apparatus, while the waste is charged into the pyrolysis apparatus 1, the pyrolysis gas which is continuously generated is processed. It is necessary to always operate the exhaust gas purifying device, the gas reforming device 4 and the gas purifying device. For this reason, not only does the operating cost increase, but it is necessary to use large-sized exhaust gas treatment devices, gas reforming devices 4 and gas purifying devices.

[0005] Further, in the latter case of a waste treatment apparatus for producing clean gas, it is difficult to efficiently operate the waste treatment apparatus flexibly in response to a change in the balance between the amount of waste input and the amount of use of clean gas. For this reason, for example, even when there is no demand for clean gas, there is a problem that a huge amount of clean gas storage equipment is required by continuously generating clean gas.

[0006] The present invention has been made in view of the above points, and provides a waste treatment apparatus and a waste treatment method capable of reducing the operating cost and miniaturizing the apparatus. The main purpose is.

Further, the present invention provides a waste treatment apparatus and a waste treatment method which enable efficient operation flexibly corresponding to a change in the balance between the amount of waste input and the amount of clean gas used. It is also intended to provide.

[0008]

A first means is a pyrolysis means for obtaining a pyrolysis gas by heating a waste containing an organic substance, and a pyrolysis gas obtained by the pyrolysis means. A waste processing apparatus comprising: a pyrolysis gas processing means for cooling and separating and recovering a condensable high-order hydrocarbon component contained in the pyrolysis gas.

According to the first means, the amount of the pyrolysis gas to be treated and the amount of combustion heat are separated and recovered by the pyrolysis gas treatment means by separating and recovering the condensable higher hydrocarbon components contained in the pyrolysis gas. Can be reduced.

The second means is the first means, wherein the high-hydrocarbon component is connected to the pyrolysis means in parallel with the pyrolysis gas treatment means, and by adding an oxidizing gas to the pyrolysis gas. Gas reforming means for obtaining a high-temperature mixed gas containing almost no gas, a gas cooling means for cooling the mixed gas obtained by the gas reforming means, and a mixed gas cooled by the gas cooling means. Gas purification means for purifying dust and harmful components contained therein, and gas pressure adjusting means for adjusting the pressure of the mixed gas purified by the gas purification means to a usable pressure are further provided. It is a thing.

According to the second means, first, the oxidizing gas is added to the pyrolysis gas by the gas reforming means,
Higher hydrocarbon components in pyrolysis gas are converted to lower hydrocarbon components,
It is converted to carbon monoxide, carbon dioxide or hydrogen, and a high-temperature mixed gas containing almost no high-order hydrocarbon components is obtained.
Then, the mixed gas obtained by the gas reforming means is cooled by the gas cooling means, purified by the gas purifying means, and the pressure is adjusted by the gas pressure adjusting means, so that the usable mixed gas (clean gas) is obtained. can get.

In this case, since the pyrolysis gas processing means and the gas reforming means are connected in parallel to the pyrolysis means, when the usage of the clean gas is reduced, excess pyrolysis gas is removed. Processing can be performed by the pyrolysis gas processing means.

The third means is a gas distribution means for adjusting a distribution ratio of the pyrolysis gas obtained by the pyrolysis means to the pyrolysis gas processing means and the gas reforming means in the second means. Is further provided.

According to the third means, in the second means, the above-mentioned distribution ratio is adjusted by the gas distribution means, so that the pyrolysis gas to be processed respectively in the pyrolysis gas processing means and the gas reforming means and thereafter. The amount of gas can be optimally adjusted according to the amount of waste input or the amount of clean gas used.

Fourth means is the third means, wherein the input amount measuring means for measuring the input amount of waste to the pyrolysis means, and the input of the waste measured by the input amount measuring means. Control means for controlling adjustment of the distribution ratio by the gas distribution means according to the amount.

According to the fourth means, the adjustment of the distribution ratio by the gas distribution means in the third means can be performed automatically and continuously in accordance with the amount of waste input to the thermal decomposition means. it can.

A fifth means is the third means, wherein the flow rate measuring means for measuring the flow rate of the pyrolysis gas downstream of the pyrolysis means, and the pyrolysis measured by the flow rate measuring means. Control means for controlling the adjustment of the distribution ratio by the gas distribution means according to the gas flow rate.

According to the fifth means, the adjustment of the distribution ratio by the gas distribution means in the third means can be performed automatically and continuously in accordance with the flow rate of the pyrolysis gas.

Sixth means is the third means, wherein the calorie measuring means for measuring the calorific value of the pyrolysis gas downstream of the pyrolyzing means, and the calorific value measured by the calorimetric measuring means are provided. And control means for controlling adjustment of the distribution ratio by the gas distribution means in accordance with the calorific value of the cracked gas.

According to the sixth means, the adjustment of the distribution ratio by the gas distribution means in the third means can be performed automatically and continuously in accordance with the calorific value of the pyrolysis gas.

A seventh means is the third means, wherein the gas utilization means for utilizing the mixed gas the pressure of which has been adjusted by the gas pressure adjusting means, and the usage of the mixed gas in the gas utilization means is measured. And a control means for controlling the adjustment of the distribution ratio by the gas distribution means according to the usage amount of the mixed gas measured by the usage amount measurement means. is there.

According to the seventh means, in the third means, the adjustment of the distribution ratio by the gas distribution means is automatically and continuously performed according to the usage of the mixed gas (clean gas) in the gas utilization means. Can be done.

Eighth means, in any one of the first to seventh means, further comprises a condensed component discharging means for extracting the condensable high-order hydrocarbon component recovered by the pyrolysis gas treatment means. It is provided.

According to the eighth means, in any of the first to seventh means, the condensable high-order hydrocarbon component can be taken out and reused.

A ninth means is the eighth means, further comprising an auxiliary charging means for recharging the condensable higher hydrocarbon component taken out by the condensed component discharging means into the pyrolysis means. It is a thing.

According to the ninth means, in the eighth means, the condensable high-order hydrocarbon component taken out can be reused for obtaining a pyrolysis gas.

A tenth means is the ninth means, further comprising condensed component conveying means for conveying the condensable higher hydrocarbon component between the condensed component discharging means and the auxiliary charging means. It is a thing.

According to the tenth means, in the ninth means, the condensable high-order hydrocarbon component is conveyed from the condensed-component discharge means to the auxiliary charging means, whereby the recycling cycle of the high-order hydrocarbon component is performed. Can be formed.

An eleventh means is the tenth means,
A condensed component storage means interposed between the condensed component conveying means and storing the condensable higher hydrocarbon component,
Further provisions.

According to the eleventh means, in the tenth means, the condensable high-order hydrocarbon component is temporarily stored in the condensed-component storage means, so that the high-order hydrocarbon component can be re-used by the auxiliary charging means. The dosage can be adjusted.

The twelfth means is the input means for measuring the input amount of the waste to the pyrolysis means in the tenth or eleventh means, and the waste amount measured by the input amount measuring means. Control means for controlling the re-feeding amount of the condensable high-order hydrocarbon component by the auxiliary feeding means in accordance with the feeding amount of the substance.

[0032] According to the twelfth means, in the tenth or eleventh means, the re-input amount of the condensable high-order hydrocarbon component by the auxiliary input means depends on the input amount of waste to the pyrolysis means. And can be adjusted automatically and continuously.

The thirteenth means is the flow rate measuring means for measuring the flow rate of the pyrolysis gas downstream of the pyrolysis means in the tenth or eleventh means, and the flow rate is measured by the flow rate measurement means. Control means for controlling a re-input amount of the condensable high-order hydrocarbon component by the auxiliary input means in accordance with a flow rate of the pyrolysis gas is further provided.

[0034] According to the thirteenth means, in the tenth or eleventh means, the re-injection amount of the condensable higher hydrocarbon component by the auxiliary injecting means is automatically and continuously adjusted according to the flow rate of the pyrolysis gas. Can be adjusted.

A fourteenth means is the tenth or eleventh means, wherein the calorie measuring means for measuring the calorific value of the pyrolysis gas downstream of the pyrolysis means, and the calorific value measured by the calorie measuring means. And control means for controlling the re-input amount of the condensable high-order hydrocarbon component by the auxiliary input means in accordance with the calorific value of the pyrolysis gas.

[0036] According to the fourteenth means, in the tenth or eleventh means, the re-input amount of the condensable higher hydrocarbon component by the auxiliary input means is automatically determined according to the heat value of the pyrolysis gas. It can be adjusted continuously.

A fifteenth means is the gas utilization means for utilizing the mixed gas whose pressure has been adjusted by the gas pressure adjusting means in the tenth or eleventh means, and the mixed gas in the gas utilization means. Utilization amount measuring means for measuring the utilization amount, and the re-introduction amount of the condensable higher hydrocarbon component by the auxiliary introduction means according to the utilization amount of the mixed gas measured by the utilization amount measuring means. And control means for controlling.

[0038] According to the fifteenth means, in the tenth or eleventh means, the re-input amount of the condensable higher hydrocarbon component by the auxiliary input means is determined by using the mixed gas (clean gas) in the gas use means. It can be adjusted automatically and continuously according to the quantity.

The sixteenth means is a pyrolysis step of obtaining a pyrolysis gas by heating waste containing organic matter, cooling the pyrolysis gas obtained in the pyrolysis step, and converting the pyrolysis gas into the pyrolysis gas. A pyrolysis gas treatment step of separating and recovering contained condensable high-order hydrocarbon components.

According to the sixteenth means, in the pyrolysis gas treatment step, the condensable higher hydrocarbon components contained in the pyrolysis gas are separated and recovered, so that the amount of the pyrolysis gas to be processed and the heat of combustion Can be reduced.

The seventeenth means is the sixteenth means,
The pyrolysis gas treatment step is performed on a part of the pyrolysis gas obtained in the pyrolysis step, and an oxidizing gas is added to the remaining part of the pyrolysis gas obtained in the pyrolysis step to achieve high carbonization. A gas reforming step for obtaining a high-temperature mixed gas containing almost no hydrogen component, a gas cooling step for cooling the mixed gas obtained in the gas reforming step, and a gas cooling step for cooling the mixed gas obtained in the gas cooling step. The apparatus further includes a gas purification step of purifying the contained dust and harmful components, and a gas pressure adjusting step of adjusting the pressure of the mixed gas purified in the gas purification step to a usable pressure.

According to the seventeenth means, in the sixteenth means, first, in the gas reforming step, an oxidizing gas is added to the pyrolysis gas to thereby convert the higher hydrocarbon component in the pyrolysis gas into the lower hydrocarbon component. Component, carbon monoxide, carbon dioxide or hydrogen to obtain a high temperature mixed gas containing almost no higher hydrocarbon components. Then, the mixed gas obtained in the gas reforming step is cooled in the gas cooling step, purified in the gas purification step, and the pressure is adjusted in the gas pressure adjustment step, so that the available mixed gas (clean gas) is obtained. can get.

In this case, a part of the pyrolysis gas obtained in the pyrolysis step is subjected to the pyrolysis gas treatment step, and the remaining part of the pyrolysis gas obtained in the pyrolysis step is processed in the gas reforming step and thereafter. Since the process is performed, it is possible to treat the excess pyrolysis gas in the pyrolysis gas treatment process when the usage of the clean gas is reduced.

[0044]

Next, an embodiment of the present invention will be described with reference to the drawings. FIGS. 1 to 18 are block diagrams showing first to eighteenth embodiments of a waste disposal apparatus according to the present invention, respectively.

[First Embodiment] First, a first embodiment of the present invention will be described with reference to FIG.

<Structure> In FIG. 1, the waste treatment treatment of the present embodiment includes a pyrolysis apparatus 1, which is sequentially connected in series.
A pyrolysis gas treatment device 2 and an exhaust gas treatment device 3 are provided.

The pyrolysis apparatus 1 is configured to obtain a pyrolysis gas by heating a waste containing organic matter. Specifically, the pyrolysis apparatus 1 generates a pyrolysis gas, which is a gaseous pyrolysis product, and a solid residue by indirectly heating the waste in a state where air is shut off. It is configured to be.

Further, the pyrolysis gas treatment device 2 cools the pyrolysis gas obtained in the pyrolysis device 1 and condensed high-order hydrocarbon components contained in the pyrolysis gas (hereinafter, in the embodiment, "Condensed component"). Examples of such condensed components include flammable components such as oil and tar.

The exhaust gas treatment device 3 is configured to process and discharge the remaining pyrolysis gas from which the condensed components have been separated and recovered by the pyrolysis gas treatment device 2 by combustion or other methods.

<Operation and Effect> Next, the operation and effect of this embodiment having the above-described configuration will be described. According to the present embodiment, the amount of the pyrolysis gas to be processed by the exhaust gas processing device 3 and the amount of combustion heat are reduced by separating and recovering the condensed components contained in the pyrolysis gas by the pyrolysis gas processing device 2. Can be. For this reason, it is possible to reduce the operating cost and the size of the waste treatment device.

[Second Embodiment] Next, a second embodiment of the present invention will be described with reference to FIG. Note that FIG.
In the present embodiment, the same components as those of the first embodiment shown in FIG. 1 are denoted by the same reference numerals, and detailed description thereof will be omitted.

<Structure> As shown in FIG. 2, the waste treatment apparatus according to the present embodiment is different from the first embodiment in addition to the pyrolysis apparatus 1, the pyrolysis gas processing apparatus 2 and the exhaust gas processing apparatus 3. And a gas reforming device 4, a gas cooling device 5, a gas purifying device 6, and a gas pressure adjusting device 7 which are sequentially connected in series.

The gas reformer 4 is connected to the pyrolyzer 1 via the gas flow switching device 8 in parallel with the pyrolysis gas processor 2. The gas flow switching device 8 is configured to switch the flow of the pyrolysis gas from the pyrolysis device 1 to either the pyrolysis gas processing device 2 side or the gas reforming device 4 side.

The gas reformer 4 is configured to obtain a high-temperature mixed gas containing almost no higher hydrocarbon components by adding an oxidizing gas to the pyrolysis gas. Specifically, by adding an oxidizing gas containing oxygen (such as air, oxygen-enriched air or oxygen) to the pyrolysis gas, the higher hydrocarbon component in the pyrolysis gas can be converted to a lower hydrocarbon component, carbon monoxide or the like. , Carbon dioxide or hydrogen.

The gas cooling device 5 includes a gas reforming device 4.
The gas purifier 6 is configured to cool dust and harmful components contained in the mixed gas cooled by the gas cooler 5. Further, the gas pressure adjusting device 7 is configured to adjust the pressure of the mixed gas (clean gas) purified by the gas purifying device 6 to a usable pressure.

<Operation and Effect> Next, the operation and effect of the present embodiment having the above-described configuration will be described. According to the present embodiment, first, the oxidizing gas is added to the pyrolysis gas by the gas reforming device 4 to obtain a high-temperature mixed gas containing almost no high-order hydrocarbon components. Then, the mixed gas obtained by the gas reforming device 4 is cooled by the gas cooling device 5,
The mixed gas (clean gas) that can be used by purifying with the gas purifying device 6 and adjusting the pressure with the gas pressure adjusting device 7
Is obtained.

In this case, the flow of the pyrolysis gas from the pyrolysis device 1 is switched by the gas flow switching device 8 so that the processing of the pyrolysis gas can be performed according to the input amount of waste and the usage amount of the clean gas. Of the thermal decomposition gas processing apparatus 2 or the gas reforming apparatus 4 can be selected. Thus, for example, when the usage amount of the clean gas is reduced, it becomes possible to process the excess pyrolysis gas in the pyrolysis gas processing device 2. For this reason, efficient operation that can flexibly cope with changes in the balance between the amount of waste input and the amount of clean gas usage can be enabled.

[Third Embodiment] Next, a third embodiment of the present invention will be described with reference to FIG.

<Structure> This embodiment differs from the second embodiment in that a gas distribution device 9 is provided in place of the gas flow switching device 8 as shown in FIG. Is the same as in the second embodiment shown in FIG. The gas distribution device 9 shown in FIG. 3 is configured such that the distribution ratio of the pyrolysis gas obtained by the pyrolysis device 1 to the pyrolysis gas treatment device 2 and the gas reforming device 4 can be adjusted.

<Effects> According to the present embodiment, by adjusting the distribution ratio by the gas distribution device 9, the pyrolysis gas to be processed in the pyrolysis gas treatment device 2 and the gas reforming device 4 and thereafter can be obtained. Can be optimally adjusted according to the amount of waste input and the amount of clean gas used. For this reason, it is possible to flexibly cope with a change in the balance between the input amount of the waste and the usage amount of the clean gas, thereby enabling more efficient operation.

[Fourth Embodiment] Next, a fourth embodiment of the present invention will be described with reference to FIG.

<Structure> The present embodiment is different from the third embodiment in that an input amount measuring device 10 and a control device 11 connected to the upstream side of the thermal decomposition device 1 are further provided as shown in FIG. Unlike the third embodiment, other configurations are the same as those of the third embodiment shown in FIG.
This is the same as the embodiment.

The input amount measuring device 10 shown in FIG. 4 is configured to measure the input amount of waste to the pyrolysis device 1. The control device 11 is configured to control the adjustment of the distribution ratio by the gas distribution device 9 according to the input amount of waste measured by the input amount measurement device 10.

<Effects> According to the present embodiment, in the third embodiment, the adjustment of the distribution ratio by the gas distribution device 9 is automatically performed according to the amount of waste input to the pyrolysis device 1. Can be performed continuously.

[Fifth Embodiment] Next, a fifth embodiment of the present invention will be described with reference to FIG.

<Structure> In this embodiment, as shown in FIG. 5, a flow meter (flow rate measuring means) 12 provided between the gas distribution device 9 and the gas reforming device 4 and a control device 11 are provided. The third embodiment is different from the third embodiment in that the third embodiment is further provided with the same configuration as the third embodiment shown in FIG.

The flow meter 12 shown in FIG.
It is configured to measure the flow rate of the pyrolysis gas introduced to the side. In addition, the control device 11 of the present embodiment, according to the flow rate of the pyrolysis gas measured by the flow meter 12,
The gas distribution device 9 is configured to control the adjustment of the distribution ratio.

<Effects> According to this embodiment, in the third embodiment, the distribution ratio of the gas distribution device 9 is adjusted according to the flow rate of the pyrolysis gas introduced into the gas reforming device 4. Can be performed automatically and continuously.

[Sixth Embodiment] Next, a sixth embodiment of the present invention will be described with reference to FIG.

<Structure> In this embodiment, as shown in FIG. 6, a calorimeter (calorimetric measuring means) 13 provided between the gas distribution device 9 and the gas reforming device 4, The third embodiment is different from the third embodiment in that the third embodiment is further provided with the same configuration as the third embodiment shown in FIG.

The calorimeter 13 shown in FIG.
The calorific value of the pyrolysis gas introduced into the side is measured. Further, the control device 11 of the present embodiment is configured to control the adjustment of the distribution ratio by the gas distribution device 9 according to the calorific value of the pyrolysis gas measured by the calorimeter 13.

<Effects> According to the present embodiment, in the third embodiment, the adjustment of the distribution ratio by the gas distribution device 9 is applied to the calorific value of the pyrolysis gas introduced into the gas reforming device 4. It can be done automatically and continuously in response.

[Seventh Embodiment] Next, a seventh embodiment of the present invention will be described with reference to the drawings.

<Configuration> As shown in FIG. 7, the third embodiment is different from the third embodiment in that a gas utilization device 14 connected downstream of the gas pressure adjusting device 7 and a control device 11 are further provided.
Unlike the third embodiment, the other configuration is the same as that of the third embodiment shown in FIG.

The gas utilization device 14 shown in FIG. 7 is configured to utilize a mixed gas (clean gas) whose pressure has been adjusted by the gas pressure adjustment device 7. Further, in the gas utilization device 14, a utilization amount measuring device (not shown) for measuring the utilization amount (consumption amount) of the clean gas in the gas utilization device 14 is provided. The control device 11 of the present embodiment is configured to control the adjustment of the distribution ratio by the gas distribution device 9 according to the clean gas usage measured by the usage measurement device.

<Effects> According to the present embodiment, in the third embodiment, the adjustment of the distribution ratio by the gas distribution device 9 is performed according to the usage amount (consumption amount) of the clean gas in the gas utilization device 14. It can be done automatically and continuously.

[Eighth Embodiment] Next, an eighth embodiment of the present invention will be described with reference to FIG. FIG.
In the present embodiment, the same components as those of the first embodiment shown in FIG. 1 are denoted by the same reference numerals, and detailed description thereof will be omitted.

<Structure> As shown in FIG. 8, the waste treatment apparatus of this embodiment is different from the pyrolysis apparatus 1, the pyrolysis gas treatment apparatus 2 and the exhaust gas treatment apparatus 3 of the first embodiment. , A condensed component discharging device 15, an auxiliary charging device 16, a condensed component conveying device 17, and a condensed component storage device 18.

Among these, the condensed component discharging device 15 is configured to take out the condensed component recovered in the pyrolysis gas treatment device 2, and the auxiliary charging device 16 is connected to the condensed component discharging device 1.
The condensed component taken out by 5 is re-input to the pyrolysis apparatus 1. The condensed component conveying device 17 is configured to convey the condensed component between the condensed component discharging device 15 and the auxiliary charging device 16.

The condensed component storage device 18 is interposed between the condensed component conveying devices 17 and is configured to store the condensed components. The condensed component storage device 1
One or more 8 may be provided at an arbitrary position between the condensed component conveying devices 17.

<Operation and Effect> Next, the operation and effect of the present embodiment having the above configuration will be described. According to this embodiment, the condensed component taken out by the condensed component discharging device 15 is conveyed to the auxiliary charging device 16 by the condensed component conveying device 17, and is re-input to the pyrolysis device 1 by the auxiliary charging device 16.

This not only allows the condensed components to be reused simply to obtain the pyrolysis gas, but also allows the transport device 17
Thus, a recycling cycle of the condensed components can be formed. In addition, by temporarily storing the condensed component in the condensed component storage device 18, the amount of the condensed component re-input by the auxiliary input device 16 can be adjusted.

[Ninth Embodiment] Next, a ninth embodiment of the present invention will be described with reference to the drawings.

The present embodiment is a combination of the second embodiment and the eighth embodiment, as shown in FIG. That is, in the present embodiment, in addition to the configuration of the second embodiment shown in FIG. 2, the condensed component discharging device 15, the auxiliary charging device 16, and the condensed component conveying device 17 of the eighth embodiment shown in FIG. And a condensed component storage device 18.

[Tenth Embodiment] Next, a tenth embodiment of the present invention will be described with reference to FIG.

The present embodiment is a combination of the third embodiment and the eighth embodiment, as shown in FIG. That is, in the present embodiment, in addition to the configuration of the third embodiment shown in FIG. 3, the condensed component discharging device 15, the auxiliary charging device 16, and the condensing component discharging device 16 of the eighth embodiment shown in FIG.
The apparatus further includes a condensed component conveying device 17 and a condensed component storage device 18. Note that this embodiment corresponds to the ninth embodiment.
It can be said that a gas distribution device 9 according to the third embodiment is provided in place of the gas flow switching device 8 of the third embodiment.

[Eleventh Embodiment] Next, an eleventh embodiment of the present invention will be described with reference to the drawings.

<Configuration> As shown in FIG. 11, the present embodiment is different from the eighth embodiment in that an input amount measuring device 10 connected to the upstream side of the thermal decomposition device 1 and a control device 11 are further provided.
The other configuration is the same as that of the eighth embodiment shown in FIG.

FIG. 11 shows an injection amount measuring apparatus 10 according to the present invention.
Is configured to measure the input amount of waste to the pyrolysis device 1 as in the input amount measuring device 10 of the fourth embodiment shown in FIG. Further, the control device 11 of the present embodiment includes:
The re-input amount of condensed components by the auxiliary input device 16 is controlled in accordance with the input amount of waste measured by the input amount measuring device 10.

<Effects> According to the present embodiment, in the eighth embodiment, the re-input amount of the condensed component by the auxiliary input device 16 is automatically set in accordance with the input amount of the waste to the pyrolysis device 1. The target can be adjusted continuously.

[Twelfth Embodiment] Next, a twelfth embodiment of the present invention will be described with reference to FIG.

<Structure> In this embodiment, as shown in FIG. 12, a flow meter (flow rate measuring means) 12 provided between a pyrolysis apparatus 1 and a pyrolysis gas processing apparatus 2 and a control apparatus 11
This embodiment is different from the above-described eighth embodiment in that the above-described configuration is further provided, and the other configuration is the same as the above-described eighth embodiment shown in FIG.

The flow meter 12 shown in FIG. 12 is configured to measure the flow rate of the pyrolysis gas introduced into the pyrolysis gas processing device 2. Further, the control device 11 of the present embodiment
Is configured to control the amount of condensed component re-input by the auxiliary input device 16 in accordance with the flow rate of the pyrolysis gas measured by the flow meter 12.

<Effects> According to the present embodiment, in the eighth embodiment, the re-input amount of the condensed component by the auxiliary input device 16 is determined by the flow rate of the pyrolysis gas introduced into the pyrolysis gas treatment device 2. Can be adjusted automatically and continuously.

[Thirteenth Embodiment] Next, a thirteenth embodiment of the present invention will be described with reference to FIG.

<Structure> In this embodiment, as shown in FIG. 13, a calorimeter (calorific value measuring means) 12 provided between a pyrolysis apparatus 1 and a pyrolysis gas treatment apparatus 2 and a control apparatus 11
This embodiment is different from the above-described eighth embodiment in that the above-described configuration is further provided, and the other configuration is the same as the above-described eighth embodiment shown in FIG.

The calorimeter 13 shown in FIG. 13 is configured to measure the calorific value of the pyrolysis gas introduced into the pyrolysis gas treatment device 2. Further, the control device 11 of the present embodiment
Is configured to control the amount of re-injection of condensed components by the auxiliary injection device 16 according to the calorific value of the pyrolysis gas measured by the calorimeter 13.

<Effects> According to the present embodiment, in the eighth embodiment, the amount of re-injection of condensed components by the auxiliary injection device 16 is determined by the amount of heat generated by the pyrolysis gas introduced into the pyrolysis gas treatment device 2. It can be adjusted automatically and continuously according to the quantity.

[Fourteenth Embodiment] Next, a fourteenth embodiment of the present invention will be described with reference to FIG.

As shown in FIG. 14, the present embodiment comprises an input measuring device 10 connected to the upstream side of the pyrolysis device 1,
The third embodiment is different from the tenth embodiment in further including a control device 11, and the other configuration is the same as that of the tenth embodiment shown in FIG.

FIG. 14 shows an injection amount measuring apparatus 10 according to the present invention.
1, is configured to measure the amount of waste input to the pyrolysis device 1 as in the input amount measurement device 10 of the eleventh embodiment shown in FIG. Further, the control device 11 of the present embodiment
Also, as in the eleventh embodiment, the input amount measuring device 10
The re-input amount of the condensed components by the auxiliary input device 16 is controlled in accordance with the input amount of the waste measured by the above.

<Effects> According to the present embodiment, in the tenth embodiment, the re-input amount of the condensed component by the auxiliary input device 16 is automatically determined in accordance with the input amount of the waste to the pyrolysis device 1. The target can be adjusted continuously.

[Fifteenth Embodiment] Next, a fifteenth embodiment of the present invention will be described with reference to FIG.

As shown in FIG. 15, the present embodiment further includes a flow meter (flow rate measuring means) 12 provided between the gas distribution device 9 and the gas reforming device 4, and a control device 11. The difference from the tenth embodiment is that the other configuration is the same as that of the tenth embodiment shown in FIG.

The flow meter 12 shown in FIG. 15 is similar to the flow meter 12 of the fifth embodiment shown in FIG.
It is configured to measure the flow rate of the pyrolysis gas introduced to the side. Further, the control device 11 of the present embodiment controls the re-input amount of the condensed component by the auxiliary input device 16 according to the flow rate of the pyrolysis gas measured by the flow meter 12, as in the twelfth embodiment. It is configured to be.

<Effect> According to the present embodiment, in the tenth embodiment, the re-input amount of the condensed component by the auxiliary input device 16 is determined by the flow rate of the pyrolysis gas introduced into the pyrolysis gas treatment device 2. Can be adjusted automatically and continuously.

[Sixteenth Embodiment] Next, a sixteenth embodiment of the present invention will be described with reference to the drawings.

As shown in FIG. 16, the present embodiment further comprises a calorimeter (calorific value measuring means) 13 provided between the gas distribution device 9 and the gas reforming device 4, and a control device 11. The difference from the tenth embodiment is that the other configuration is the same as that of the tenth embodiment shown in FIG.

A calorimeter 13 shown in FIG. 16 is similar to the calorimeter 13 of the sixth embodiment shown in FIG.
The calorific value of the pyrolysis gas introduced into the side is measured. Further, the control device 11 of the present embodiment controls the auxiliary charging device 1 according to the calorific value of the pyrolysis gas measured by the calorimeter 13 similarly to the thirteenth embodiment.
6 is configured to control the re-input amount of the condensed component.

<Effects> According to the present embodiment, in the tenth embodiment, the amount of condensed components re-injected by the auxiliary injection device 16 is reduced by the heat generated by the pyrolysis gas introduced into the pyrolysis gas treatment device 2. It can be adjusted automatically and continuously according to the quantity.

[Seventeenth Embodiment] Next, a seventeenth embodiment of the present invention will be described with reference to FIG.

<Structure> This embodiment is different from the tenth embodiment in that a gas utilization device 14 connected downstream of the gas pressure adjusting device 7 and a control device 11 are further provided as shown in FIG. In other respects, the configuration is the same as that of the tenth embodiment shown in FIG.

The gas utilization device 14 shown in FIG. 17 utilizes a mixed gas (clean gas) whose pressure has been adjusted by the gas pressure adjustment device 7, similarly to the gas utilization device 14 of the seventh embodiment shown in FIG. It is configured to be. Similarly, the gas utilization device 14 includes the gas utilization device 1.
4 is provided with a usage measuring device (not shown) for measuring the usage (consumption) of the clean gas.

The control device 11 of the present embodiment is configured to control the amount of condensed components re-introduced by the auxiliary injection device 16 in accordance with the amount of clean gas usage measured by the usage amount measuring device. ing.

<Effects> According to the present embodiment, in the tenth embodiment, the amount of re-injection of the condensed component by the auxiliary injection device 16 is changed to the usage amount of the mixed gas (clean gas) in the gas usage device 14. It can be adjusted automatically and continuously accordingly.

[Eighteenth Embodiment] Next, an eighteenth embodiment of the present invention will be described with reference to FIG.

In the present embodiment, as shown in FIG.
This is a combination of the tenth embodiment shown in FIG. 0 with the fourth to seventh embodiments shown in FIGS.
That is, in this embodiment, in addition to the configuration of the tenth embodiment shown in FIG. 10, the input amount measuring device 10, the flow meter 12, the calorimeter 13, and the gas utilization device of the fourth to seventh embodiments are used. 14 and control means 11.

The control device 11 of the present embodiment controls the input amount of waste, which is measured by the input amount measuring device 10, the flow meter 12, the calorimeter 13, and the usage amount measuring device (of the gas utilization device 14), respectively. In addition, the control of the distribution ratio by the gas distribution device 9 is controlled in accordance with the flow rate and the amount of heat of the pyrolysis gas and the usage amount of the clean gas.

<Effects> According to the present embodiment, in the tenth embodiment, the adjustment of the distribution ratio by the gas distribution device 9 is performed by adjusting the input amount of waste, the flow rate and calorie of the pyrolysis gas, and the clean gas. It can be performed automatically and continuously according to the amount of use.

[Other Embodiments] In the above-described embodiments, a configuration in which specific embodiments are combined with each other is also included. It is good also as a structure which combined.

The above flow meter 12 and calorimeter 13
May be provided on the downstream side of the pyrolysis means 1,
The position is not limited to the position provided in the above embodiment.

[0122]

According to the first aspect of the present invention, the amount of the pyrolysis gas to be processed is separated by separating and recovering the condensable high hydrocarbon components contained in the pyrolysis gas by the pyrolysis gas processing means. And the amount of combustion heat can be reduced. For this reason, it is possible to reduce the operating cost and the size of the waste treatment device.

According to the second aspect of the present invention, the pyrolysis gas processing means and the gas reforming means are connected in parallel to the pyrolysis means, so that when the usage of clean gas is reduced, etc. In addition, it becomes possible to treat the excess pyrolysis gas by the pyrolysis gas processing means. For this reason, efficient operation that can flexibly cope with changes in the balance between the amount of waste input and the amount of clean gas usage can be enabled.

According to the sixteenth aspect of the present invention, in the pyrolysis gas treatment step, the amount of the pyrolysis gas to be processed and the amount of combustion can be increased by separating and recovering the condensable higher hydrocarbon components contained in the pyrolysis gas. The amount of heat can be reduced. For this reason, it is possible to reduce the operating cost and the size of the apparatus for performing such a waste disposal method.

According to the seventeenth aspect of the present invention, a part of the pyrolysis gas obtained in the pyrolysis step is subjected to the pyrolysis gas treatment step, and the remaining portion of the pyrolysis gas obtained in the pyrolysis step is removed. As the process after the gas reforming process is performed, when the usage of clean gas decreases,
Excess pyrolysis gas can be processed in the pyrolysis gas processing step. For this reason, efficient operation that can flexibly cope with changes in the balance between the amount of waste input and the amount of clean gas usage can be enabled.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a first embodiment of a waste disposal apparatus according to the present invention.

FIG. 2 is a block diagram showing a second embodiment of the waste disposal apparatus according to the present invention.

FIG. 3 is a block diagram showing a third embodiment of the waste disposal apparatus according to the present invention.

FIG. 4 is a block diagram showing a fourth embodiment of the waste disposal apparatus according to the present invention.

FIG. 5 is a block diagram illustrating a waste disposal apparatus according to a fifth embodiment of the present invention.

FIG. 6 is a block diagram showing a waste disposal apparatus according to a sixth embodiment of the present invention.

FIG. 7 is a block diagram showing a waste disposal apparatus according to a seventh embodiment of the present invention.

FIG. 8 is a block diagram showing an eighth embodiment of the waste disposal apparatus according to the present invention.

FIG. 9 is a block diagram showing a ninth embodiment of a waste disposal apparatus according to the present invention.

FIG. 10 is a block diagram showing a waste treatment apparatus according to a tenth embodiment of the present invention.

FIG. 11 is a block diagram showing an eleventh embodiment of a waste disposal apparatus according to the present invention.

FIG. 12 is a block diagram showing a twelfth embodiment of the waste treatment apparatus according to the present invention.

FIG. 13 is a block diagram showing a waste disposal apparatus according to a thirteenth embodiment of the present invention.

FIG. 14 is a block diagram showing a fourteenth embodiment of the waste disposal apparatus according to the present invention.

FIG. 15 is a block diagram showing a fifteenth embodiment of the waste disposal apparatus according to the present invention.

FIG. 16 is a block diagram showing a waste disposal apparatus according to a sixteenth embodiment of the present invention.

FIG. 17 is a block diagram showing a seventeenth embodiment of the waste disposal apparatus according to the present invention.

FIG. 18 is a block diagram showing an eighteenth embodiment of the waste disposal apparatus according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pyrolysis apparatus 2 Pyrolysis gas processing apparatus 3 Exhaust gas processing apparatus 4 Gas reforming apparatus 5 Gas cooling apparatus 6 Gas purification apparatus 7 Gas pressure adjustment apparatus 8 Gas flow path switching apparatus 9 Gas distribution apparatus 10 Input amount measurement apparatus 11 Control apparatus DESCRIPTION OF SYMBOLS 12 Flow meter 13 Calorimeter 14 Gas utilization device 15 Condensed component discharge device 16 Auxiliary charging device 17 Condensed component transport device 18 Condensed component storage device

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) C10J 3/00 B09B 3/00 ZAB

Claims (17)

[Claims] 1. A pyrolysis means for obtaining a pyrolysis gas by heating a waste containing an organic substance, and a pyrolysis gas obtained by the pyrolysis means is cooled to be contained in the pyrolysis gas. Separates high condensable hydrocarbon components
A waste treatment apparatus comprising: a pyrolysis gas treatment means for collecting. 2. A high-temperature mixed gas substantially free of high-order hydrocarbon components is obtained by adding an oxidizing gas to the pyrolysis gas and connecting the pyrolysis gas processing means in parallel with the pyrolysis means. Gas cooling means for cooling the mixed gas obtained by the gas reforming means, and dust and harmful components contained in the mixed gas cooled by the gas cooling means. 2. The gas purifying apparatus according to claim 1, further comprising: a gas purifying unit configured to perform the treatment, and a gas pressure adjusting unit configured to regulate a pressure of the mixed gas purified by the gas purifying unit to a usable pressure. Waste treatment equipment. 3. A gas distribution means for adjusting a distribution ratio of the pyrolysis gas obtained by the pyrolysis means to the pyrolysis gas treatment means and the gas reforming means. The waste disposal device according to claim 2. 4. An input amount measuring means for measuring an input amount of waste to said pyrolysis means, and said gas distribution means according to an input amount of waste measured by said input amount measuring means. The waste disposal apparatus according to claim 3, further comprising control means for controlling adjustment of the distribution ratio. 5. A flow rate measuring means for measuring a flow rate of said pyrolysis gas at a downstream side of said pyrolysis means, and said gas distribution means according to a flow rate of said pyrolysis gas measured by said flow rate measuring means. The waste treatment apparatus according to claim 3, further comprising control means for controlling adjustment of the distribution ratio by means. 6. A calorie measuring means for measuring a calorific value of the pyrolysis gas on a downstream side of the pyrolysis means, and the calorific value of the pyrolysis gas measured by the calorie measuring means, The waste disposal apparatus according to claim 3, further comprising control means for controlling adjustment of the distribution ratio by gas distribution means. 7. A gas utilization means for utilizing the mixed gas whose pressure has been adjusted by said gas pressure adjusting means, a utilization measuring means for measuring the utilization of said mixed gas in said gas utilization means, 4. The disposal according to claim 3, further comprising control means for controlling adjustment of the distribution ratio by the gas distribution means in accordance with the usage amount of the mixed gas measured by the usage amount measurement means. Object processing equipment. 8. The apparatus according to claim 1, further comprising a condensed component discharging means for extracting the condensable high-order hydrocarbon component recovered by the pyrolysis gas processing means. A waste treatment device as described in the above. 9. An auxiliary charging means for re-charging the condensable high-order hydrocarbon component taken out by the condensed component discharging means to the pyrolysis means. Waste treatment equipment. 10. A condensed component conveying means for conveying said condensable high-order hydrocarbon component between said condensed component discharging means and said auxiliary charging means, further comprising: condensed component conveying means. Waste treatment equipment. 11. Interposed between said condensed component conveying means,
2. A condensed component storage means for storing the condensable high-order hydrocarbon component, further comprising:
The waste disposal apparatus according to Item 0. 12. An input amount measuring means for measuring an input amount of waste to said thermal decomposition means, and said auxiliary input means according to the input amount of waste measured by said input amount measuring means. The waste treatment apparatus according to claim 10, further comprising a control unit configured to control a re-input amount of the condensable high-order hydrocarbon component. 13. A flow rate measuring means for measuring a flow rate of said pyrolysis gas at a downstream side of said pyrolysis means, and said auxiliary charging means according to a flow rate of said pyrolysis gas measured by said flow rate measuring means. 12. The waste treatment apparatus according to claim 10, further comprising control means for controlling a re-input amount of the condensable high-order hydrocarbon component by means. 14. A calorie measuring means for measuring a calorific value of the pyrolysis gas on a downstream side of the pyrolysis means, and the calorific value of the pyrolysis gas measured by the calorie measuring means. 12. A control unit for controlling a re-injection amount of the condensable high-order hydrocarbon component by an auxiliary injection unit, further comprising a control unit.
A waste treatment device as described in the above. 15. Gas utilization means for utilizing the mixed gas whose pressure has been adjusted by said gas pressure adjusting means, utilization amount measuring means for measuring the utilization amount of said mixed gas in said gas utilization means, Control means for controlling the re-input amount of the condensable high-order hydrocarbon component by the auxiliary input means according to the usage amount of the mixed gas measured by the usage amount measurement means. A feature according to claim 10 or claim 11.
A waste treatment device as described in the above. 16. A pyrolysis step of obtaining a pyrolysis gas by heating a waste containing an organic substance, and cooling the pyrolysis gas obtained in the pyrolysis step to obtain a condensable substance contained in the pyrolysis gas. High-order hydrocarbon components
And a pyrolysis gas treatment step of recovering the waste gas. 17. A pyrolysis gas treatment step is performed on a part of the pyrolysis gas obtained in the pyrolysis step, and an oxidizing gas is added to the remaining pyrolysis gas obtained in the pyrolysis step. A gas reforming step for obtaining a high-temperature mixed gas containing almost no high-order hydrocarbon components by adding the gas, a gas cooling step for cooling the mixed gas obtained in the gas reforming step, and a gas cooling step for cooling in the gas cooling step A gas purification step of purifying dust and harmful components contained in the mixed gas; and a gas pressure adjusting step of adjusting the pressure of the mixed gas purified in the gas purification step to a usable pressure. 17. The waste disposal method according to claim 16, wherein: