TWI698292B - Volume-reducing device and method for recovering and utilizing volume-reduced derivative gas - Google Patents

Abstract

The present invention discloses a volume reduction device and a method for recycling the volume reduction derived gas, which can process and recycle the derived gas generated by the thermal decomposition of waste. The volume reduction device at least includes a reaction chamber, a first oxygen content sensor, a derivative gas processing module, a second oxygen content sensor, a first electric valve, a controller, a pipeline system, and a circuit system. The volume reduction derived gas recycling processing method is: using the reaction chamber to perform low-temperature fumigation under low oxygen concentration to decompose waste; using the derived gas processing module to perform a derived gas processing procedure on the derived gas discharged from the reaction chamber Output recovered gas; use the controller to control the operating state of the first electric valve connected to the reaction chamber, and then determine the injection volume of the recovered gas into the reaction chamber.

Description

Volume reduction device and recovery and treatment method of volume reduction derived gas

The present invention relates to a volume reduction technology, in particular to a volume reduction device that can process and recycle derived gas generated by thermal decomposition of waste, and a method for recycling the volume reduction derived gas.

In today’s technologically advanced society, it has brought people new, fast and convenient material enjoyment, but it has also led to an increase in the amount of waste every year. In order to load the landfill site without causing its burial capacity to reach full capacity quickly, it must be Waste is reduced in volume, which is called volume reduction.

The general volume reduction technology is nothing more than the use of compression, cutting, grinding, concentration, thermal decomposition and other processing methods to achieve the purpose of waste reduction, and thermal decomposition is the most effective in the above processing methods.

At present, there is a volume reduction device such as Taiwan Invention Patent Publication No. 200602134 and Taiwan Model Patent No. M284831, which use thermal decomposition to perform waste reduction operations; the latter usually has a reaction chamber (also known as Fumigation chamber), the reaction chamber must be filled with oxygen, so that the reaction chamber can perform low-temperature fumigation under low oxygen concentration to decompose waste. The reaction chamber will generate a large amount of waste gas when performing thermal decomposition and volume reduction operations on waste. In the conventional volume reduction device, the generated waste gas will be purified, burned, and filtered. , And then exhaust the gas to meet environmental protection requirements. However, the processed gas actually contains reusable resources such as oxygen, but it is a pity that the conventional technology has not recycled or stored it.

In view of the above-mentioned problems of the prior art, the purpose of the present invention is to provide a volume reduction device and a method for recovering and recycling the volume reduction derived gas that can process and recover the derived gas generated by the thermal decomposition of waste.

According to the objective of the present invention, a volume reduction device is provided, which at least includes: a reaction chamber, a first oxygen content sensor, a derivative gas processing module, a second oxygen content sensor, and a first electric valve , A controller, a piping system and a circuit system; wherein the first oxygen content sensor is arranged inside the reaction chamber, and the controller is electrically connected to the first oxygen content sensor through the circuit system Detector; the derivative gas processing module is connected to the reaction chamber by the pipeline system; the second oxygen content sensor is connected to the derivative gas processing module by the pipeline system, and the controller is connected to the The circuit system is electrically connected to the second oxygen content sensor; one end of the first electric valve is connected to the second oxygen content sensor through the pipeline system, and the other end of the first electric valve is connected to the second oxygen content sensor. A pipeline system is connected to the reaction chamber, and the controller is electrically connected to the first electric valve through the circuit system.

According to the above technical features, the volume reduction device further includes a first fan connected to an inlet end of the reaction chamber through the pipeline system, and the controller is electrically connected to the first fan through the circuit system A fan.

According to the above technical features, the first electric valve is a two-way solenoid valve with an inlet end and an outlet end, the inlet end is connected to the second oxygen content sensor by the pipeline system, and the outlet end is Connect the other inlet end of the reaction chamber with the pipeline system.

According to the above technical features, the volume reduction device further includes a second electric valve and an air supply mechanism; the second electric valve is a two-way solenoid valve, and one end of the second electric valve is connected to the second electric valve by the pipeline system. One end of an electric valve is connected to the reaction chamber, the air supply mechanism is connected to the other end of the second electric valve through the pipeline system, and the second electric valve is electrically connected to the controller through the circuit system.

According to the above technical features, the capacity reduction device further includes a first fan, the controller is electrically connected to the first fan through the circuit system; and the first electric valve is a valve with two inlets and one outlet One end of the three-way solenoid valve of the first electric valve, one of the first end of the first electric valve is one of the two inlet ends, the inlet end is connected to the first fan by the piping system, and the first end of the first electric valve The second end is the other one of the two inlet ends and the second oxygen content sensor is connected by the pipeline system. A third end of the first electric valve is the outlet end and uses the The pipeline system is connected to one of the inlet ends of the reaction chamber.

According to the above technical features, the volume reduction device further includes a first fan and a second fan. The first fan is connected to an inlet end of the reaction chamber by the pipe system, and the second fan is connected by the pipe The circuit system is connected between the reaction chamber and the derived gas processing module, and the controller is electrically connected to the first fan through the circuit system.

According to the above technical features, the volume reduction device further includes a heat exchanger, the heat exchanger is connected to the derived gas processing module through the pipeline system, and the second oxygen content sensor is connected to the pipeline system through the pipeline system. Heat exchanger.

According to the above technical features, the controller sets a reaction oxygen content threshold.

According to the above technical characteristics, the oxygen content threshold of the reaction is between 12% and 18%.

According to the purpose of the present invention, a method for the recovery and utilization of volume reduction derived gas is provided, which is suitable for a volume reduction device as described above. The method for recovery and utilization of volume reduction derived gas includes the following steps: using the reaction chamber in a A low-temperature fumigation is performed under low oxygen concentration to decompose a waste. The low-oxygen concentration means that the oxygen concentration is equal to or less than 18% by volume. The low-temperature fumigation means that the temperature is lower than 300 degrees Celsius; use the derived gas The processing module performs a derivative gas processing procedure on the derivative gas discharged from the reaction chamber to output a recovered gas; the controller detects that one of the reaction chambers contains oxygen according to the first oxygen content sensor The oxygen content of one of the recovered gases detected by the second oxygen content sensor is processed and calculated by the controller, and the controller controls the first electric valve connected to the reaction chamber The operating state determines the amount of the recycled gas injected into the reaction chamber.

According to the above-mentioned technical features, the method for recycling and utilizing the reduced-volume derived gas further includes the following steps: using the controller to detect the oxygen content of the reaction chamber and the second oxygen content of the reaction chamber according to the first oxygen content sensor. The oxygen content of the recovered gas in the recovered gas detected by the oxygen content sensor is processed and calculated by the controller, and the controller controls the operating state of a first fan connected to the reaction chamber to determine the The first fan delivers a delivery amount of a first oxygen-containing gas to the reaction chamber.

According to the above technical features, the derivative gas processing program sequentially includes a gas processing mechanism for a purification operation, a combustion chamber for a combustion operation, and a filter for a filtration operation.

Based on the above, the main function of the present invention is to be able to recover the derived gas generated during the thermal decomposition and volume reduction operation of the waste in the reaction chamber. The processing methods include purification, combustion, and filtration in order to produce Utilization value and can circulate the oxygen-containing recovered gas injected into the reaction chamber. Furthermore, another function of the present invention is that the first oxygen content sensor can be used to monitor the oxygen content in the reaction chamber, and the second oxygen content sensor can be used to monitor the oxygen content of the recovered gas, and the control can be further utilized According to the data measured by the first oxygen content sensor and the second oxygen content sensor, the device controls the injection volume of the external gas and the recovered gas respectively into the reaction chamber. As a result, the reaction chamber is configured in the gas source Fumigation can be carried out within a predetermined oxygen concentration range under control to obtain the best thermal decomposition reaction efficiency and achieve a more volume reduction effect.

In order to help your examiners understand the technical features, content and advantages of the present invention and the effects that can be achieved, the present invention is described in detail with the accompanying drawings and in the form of embodiment expressions, and the drawings used therein are: The subject matter is only for the purpose of illustration and auxiliary description, and may not be the true proportions and precise configuration after the implementation of the present invention. Therefore, the proportion and configuration relationship of the attached drawings should not be interpreted as to limit the scope of rights of the present invention in actual implementation. Hexian stated.

The volume reduction device and the volume reduction derived gas recovery treatment method of the present invention can mainly process and recycle the derived gas produced by thermal decomposition of waste, and can control the oxygen concentration during thermal decomposition operation to achieve the best Capacity reduction efficiency and cost control. Please refer to Figure 1, which is a schematic diagram of the first embodiment of the volume reduction device of the present invention. As shown in the figure, the volume reduction device includes: a first fan 10, a reaction chamber 20, and a first oxygen-containing The quantity sensor 30, a temperature sensor 40, a height sensor 50, at least one second fan 60, a derived gas processing module 70, a heat exchanger 80, a second oxygen content sensor 90, A first electric valve 100 and a controller 200. In particular, for the completeness of the description, the embodiment of the present invention uses an example in which the capacity reduction device includes a plurality of the second fans 60 for ease of description.

In the first embodiment, the first fan 10 is connected to one of the inlet ends of the reaction chamber 20 through a pipeline system P, and the controller 200 is electrically connected to the first fan 10 through a circuit system E , The first fan 10 can be controlled by the controller 200 to start the operation of the first fan 10 to deliver a first oxygen-containing gas to the reaction chamber 20, or the first fan 10 can be controlled by the controller 200 The operation of the first fan 10 is turned off to stop the delivery of the first oxygen-containing gas to the reaction chamber 20. The first oxygen-containing gas conveyed by the first fan 10 may be air in the atmosphere. Generally speaking, the volume percentage of air on the earth mainly consists of nitrogen (about 78.09%), oxygen (about 20.95%), and argon ( About 0.93%), carbon dioxide (about 0.03%) and other trace gases. The first oxygen-containing gas delivered by the first fan 10 may also be the first oxygen-containing gas provided by a commercially available oxygen cylinder or an oxygen generator, and generally contains more oxygen by volume than air. The first oxygen-containing gas delivered by the first fan 10 has a first oxygen-containing concentration. The first oxygen-containing concentration refers to the oxygen concentration (volume percentage) in the first oxygen-containing gas. The first oxygen concentration is greater than or equal to the oxygen concentration of air (about 20.95%). Considering the cost, it is best that the first oxygen-containing gas delivered by the first fan 10 is air in the atmosphere, so the first oxygen concentration is equal to the oxygen concentration of the air.

After the reaction chamber 20 is provided with the first oxygen-containing gas injection, it can perform low-temperature fumigation at a low oxygen concentration to reduce the volume of waste through thermal decomposition. In particular, the aforementioned hypoxia Concentration means at least lower than the first oxygen concentration, and the aforementioned low temperature means lower than 300 degrees Celsius. Preferably, the aforementioned low oxygen concentration refers to an oxygen concentration equal to or less than 18% (volume percentage).

The first oxygen content sensor 30 is disposed inside the reaction chamber 20, and can be used to detect the oxygen content of one of the reaction chambers 20. The oxygen content of the reaction chamber refers to the gas in the reaction chamber 20 The oxygen concentration (volume percentage) of the environment, the controller 200 is electrically connected to the first oxygen content sensor 30 through the circuit system E, and the first oxygen content sensor 30 measures the measured reaction chamber The oxygen content data is sent to the controller 200 for subsequent processing and calculation. The temperature sensor 40 is disposed in the reaction chamber 20 and can be used to detect the temperature of a reaction chamber inside the reaction chamber 20. The controller 200 is electrically connected to the temperature sensor 40 through the circuit system E. The temperature sensor 40 transmits the measured data of the reaction chamber temperature to the controller 200 for subsequent processing and calculation. The height sensor 50 is installed in the reaction chamber 20, and can be used to sense a volume reduction height of the waste placed in the reaction chamber 20. The volume reduction height refers to the waste volume during the current volume reduction operation. The controller 200 is electrically connected to the height sensor 50 through the circuit system E, and the height sensor 50 transmits the measured data of the volume reduction height to the controller 200 for subsequent Processing and calculation.

During the volume reduction operation, a reaction oxygen content threshold and a reaction temperature threshold can be set in the controller 200; the reaction oxygen content threshold refers to the preset oxygen in the gas environment in the reaction chamber 20 The concentration, for example, the oxygen content threshold of the reaction is between 12% and 18%; the reaction temperature threshold refers to the preset fumigation temperature in the reaction chamber 20, for example, the reaction temperature threshold is less than 300 Celsius degree. In further applications, the reaction chamber 20 may further include a buffer zone 21, the second fan 60 is connected between the reaction chamber 20 and the buffer zone 21 by the pipeline system P, and the buffer zone 21 is connected to The derivative gas processing modules 70 are connected by the pipeline system P, the controller 200 is electrically connected to the second fan 60 through the circuit system E; the second fan 60 is controlled by the controller 200 The second fan 60 is turned on to pump air to the reaction chamber 20, or the second fan 60 can be turned off to stop the reaction chamber 20 from pumping air through the control system of the controller 200. When the oxygen content of the reaction chamber 20 is too high during the volume reduction operation, for example, the controller 200 compares the oxygen content of the reaction chamber from the first oxygen content sensor 30 and finds that the reaction chamber contains oxygen. The amount exceeds the upper limit (18%) of the oxygen content threshold of the reaction; or, if the temperature of the reaction chamber 20 is too high during the volume reduction operation, for example, the controller 200 compares data from the temperature sensor 40 and it is found that the temperature of the reaction chamber exceeds the upper limit of the reaction temperature threshold (300 degrees Celsius); especially, when the reaction chamber 20 generates open flame combustion and a large amount of gas, the second fan 60 is controlled The control of the device 200 is to turn on the second fan 60 to quickly extract the gas in the reaction chamber 20 to the buffer zone 21, so that the buffer zone 21 can provide the aforementioned exhausted gas discharge and retention, thereby reducing the reaction The oxygen content of the gas in the chamber 20 is until the open flame is extinguished. The buffer zone 21 and the derived gas processing module 70 can be communicated by the pipeline system P, and the gas extracted from the buffer zone 21 can be sent to the pipeline system P through the pipeline system P The derived gas processing module 70 is used for processing and recycling.

In addition, the second fan 60 can also be directly connected between the reaction chamber 20 and the derived gas processing module 70 through the pipeline system P, and the second fan 60 is controlled by the pipeline system P. The second fan 60 is turned on under the control of the device 200, so that the derivative gas generated by the thermal decomposition of waste in the reaction chamber 20 can be discharged and sent to the derivative gas processing module 70; wherein, the second fan 60 is The reaction chamber 20 has a ventilation function, so that a negative pressure can be formed inside the reaction chamber 20. The formation of a negative pressure inside the reaction chamber 20 facilitates the delivery of the first oxygen-containing gas to the reaction chamber 20 so as to save energy consumption during the operation of the first fan 10.

The derivative gas processing module 70 can be used to perform purification, combustion, and filtering operations on the derivative gas discharged from the reaction chamber 20. The derivative gas processing module 70 is connected to the reaction chamber 20 by the pipeline system P. In detail, the derivative gas processing module 70 includes a gas processing mechanism 71, a combustion chamber 72, and a filter 73. The gas processing mechanism 71 is connected to the second fan 60 through the pipeline system P. The combustion chamber 72 is connected to the gas processing mechanism 71 by the pipeline system P in sequence, and the filter 73 is connected to the combustion chamber 72 by the pipeline system P in sequence. The gas processing mechanism 71 can be an inertial settling tank, a scrubbing tower or a spray tower, and its function is to purify the derived gas of the reaction chamber 20. The derived gas discharged from the reaction chamber 20 includes nitrogen oxides, carbon monoxide, hydrocarbons, Oxygen, dust particles and other generally described exhaust gas or volatile organic compounds (Volatile Organic Compounds, VOCs); wherein, when the second fan 60 sends the derived gas from the reaction chamber 20 to the gas processing mechanism 71, it can be used first A washing unit 711 of the gas processing mechanism 71 washes off the dust particles derived from the gas, and the dust particles that cannot be washed off by the washing unit 711 can be used for electrostatic dust removal by one of the gas processing mechanism 71 located above the washing unit 711 The unit 712 performs adsorption, as shown in Figure 2. The gas processed by the gas processing mechanism 71 can be injected into the combustion chamber 72. As shown in Fig. 3, the combustion chamber 72 can be ignited by fuels such as gas, natural gas or kerosene and burned by an open flame to remove the residues in the derived gas. The combustible gas (the gas derived from the derived gas discharged from the reaction chamber 20 and processed by the gas processing mechanism 71, such as nitrogen oxide, carbon monoxide, and hydrocarbon). As shown in Figure 4, the gas processed by the combustion chamber 72 can pass through the filter 73. The filter 73 contains glass wool 731, a microporous breathable film 732, and an activated carbon cotton cloth 733 in sequence. In this way, the completely combusted derived gas (including nitrogen, carbon dioxide, oxygen and moisture) and a very small amount of dust generated after the combustion in the combustion chamber 72 can be filtered. In other words, the derived gas originally discharged from the reaction chamber 20 contains nitrogen oxides, carbon monoxide, hydrocarbons, oxygen, dust particles and other general exhaust gas or volatile organic compounds (Volatile Organic Compounds, VOCs). After the gas processing module 70 is processed, the filter 73 exhausts nitrogen, carbon dioxide, oxygen, and moisture.

As shown in Figure 5, the heat exchanger 80 is connected to the filter 73 of the derived gas processing module 70 through the pipe system P, and the outer wall of the pipe system P is in the heat exchanger 80 It is covered by water, so the heat exchanger 80 can be used to cool the nitrogen, carbon dioxide, oxygen and water vapor discharged from the filter 73 to condense the water vapor into liquid water to remove the water vapor, and then convert the output to a recovery Gas, where the recovered gas may include nitrogen, carbon dioxide and oxygen.

In particular, the heat exchanger 80 is not necessary in the volume reduction device of the present invention. For example, the second oxygen content sensor 90 can be connected to the derivative gas processing module 70 through the pipeline system P The filter 73 does not need the heat exchanger 80. At this time, the filter 73 discharges nitrogen, carbon dioxide, oxygen, and moisture, which is the recovered gas.

Please refer to Figure 1 again. The second oxygen content sensor 90 is connected to the output end of the heat exchanger 80 through the pipeline system P. It can be used to detect the oxygen content of one of the recovered gases. The oxygen content of the recovered gas refers to the oxygen concentration (volume percentage) of the recovered gas. The controller 200 is electrically connected to the second oxygen content sensor 90 through the circuit system E, and the second oxygen content sensor 90 The data of the measured oxygen content of the recovered gas is transmitted to the controller 200 for subsequent processing and calculation. In the first embodiment, the first electric valve 100 is a two-way solenoid valve (having an inlet end and an outlet end), one end (inlet end) of which is connected to the second oxygen content sensor via the pipeline system P In the detector 90, the other end (outlet end) of the first electric valve 100 is connected to the other inlet end of the reaction chamber 20 through the pipeline system P, and the controller 200 is electrically connected through the circuit system E The first electric valve 100 can be controlled by the controller 200 to open the first electric valve 100 to allow the recovered gas to be transported into the reaction chamber 20, or the first electric valve 100 may be The controller 200 controls the system to close the first electric valve 100 to prevent the recovered gas from being delivered to the reaction chamber 20.

To further illustrate, the controller 200 is electrically connected to the first fan 10, the first oxygen content sensor 30, the second oxygen content sensor 90, and the first electric valve 100. The controller 200 can According to the first oxygen concentration of the first oxygen-containing gas delivered by the first fan 10, the oxygen content of the reaction chamber in the reaction chamber 20 detected by the first oxygen content sensor 30, and the The oxygen content of the recovered gas in the recovered gas detected by the second oxygen content sensor 90 is processed and calculated by the controller 200 to control the operation status of the first fan 10 and the first electric valve 100, In this way, the amount of gas that the first oxygen-containing gas enters into the reaction chamber 20 through the first fan 10 and the amount of gas that the recovered gas is injected into the reaction chamber 20 through the first electric valve 100 can be individually affected. The control allows the reaction chamber 20 to be maintained within a predetermined oxygen content range (that is, the aforementioned reaction oxygen content threshold) to perform thermal decomposition operations to achieve the best volume reduction efficiency.

For example, after testing, it is found that the optimal volume reduction efficiency is when the oxygen content threshold of the reaction is between 12% and 18%. In this embodiment, the first oxygen-containing gas conveyed by the first fan 10 is air in the atmosphere, and the first oxygen-containing concentration is equal to the oxygen concentration of air 20.95% as an example, and the first oxygen-containing gas The concentration (20.95%) data has been sent to the controller 200. During the volume reduction operation, when the first oxygen content sensor 30 detects that the oxygen content of the reaction chamber of the reaction chamber 20 is 10% and transmits the data of the oxygen content of the reaction chamber to the controller 200. When the second oxygen content sensor 90 detects that the oxygen content of the recovered gas is 2% and transmits the oxygen content data of the recovered gas to the controller 200. The controller 200 knows through comparison and calculation that the oxygen content of the reaction chamber is 10% which is lower than the lower limit (12%) of the oxygen content threshold of the reaction. Then the controller 200 processes and calculates and then the controller 200 controls The first electric valve 100 is continuously opened so that the recovered gas can pass through the first electric valve 100 and be continuously injected into the reaction chamber 20. At this time, the derived gas generated by the thermal decomposition of the waste is processed and recovered The purpose of recycling; and at the same time, the controller 200 controls to turn on the first fan 10 to deliver the first oxygen-containing gas to the reaction chamber 20 until the oxygen content of the reaction chamber of the reaction chamber 20 is supplemented to Meet the oxygen content threshold of the reaction (between 12% and 18%), while maintaining the best volume reduction efficiency.

Please also refer to FIG. 6, which is a schematic diagram of the second embodiment of the volume reduction device of the present invention, and please refer to FIGS. 7 and 8 together. Compared with the first embodiment, the difference of the volume reduction device in the second embodiment is that in the second embodiment, the volume reduction device further includes a second electric valve 300 and an air supply mechanism 400. The second electric valve 300 is a two-way solenoid valve (having an inlet end and an outlet end), and one end (outlet end) of the second electric valve 300 is connected to the first electric valve 100 through the pipeline system P One end is connected to the reaction chamber 20, and the second electric valve 300 is electrically connected to the controller 200 through the circuit system E. The air supply mechanism 400 is connected to the other end (inlet end) of the second electric valve 300 by the pipeline system P. The air supply mechanism 400 can supply oxygen containing greater than or equal to air when the second electric valve 300 is opened. A first oxygen-containing gas with a concentration (20.95%) to the reaction chamber 20. The second oxygen-containing gas delivered by the gas supply mechanism 400 has a second oxygen-containing concentration, and the second oxygen-containing concentration refers to the oxygen concentration (volume percentage) in the second oxygen-containing gas. The second oxygen concentration is greater than or equal to the oxygen concentration of air (about 20.95%). The controller 200 can detect the content of the reaction chamber in the reaction chamber 20 according to the first oxygen concentration of the first oxygen-containing gas delivered by the first fan 10, and the first oxygen content sensor 30. Oxygen content, the oxygen content of the recovered gas in the recovered gas detected by the second oxygen content sensor 90, and the second oxygen content of the second oxygen-containing gas delivered by the gas supply mechanism 400, After processing and calculation by the controller 200, the operating states of the first fan 10, the first electric valve 100 and the second electric valve 300 are controlled. In this way, the first oxygen-containing gas passes through the first fan 10 The amount of gas that enters the reaction chamber 20, the amount of gas that the recovered gas is injected into the reaction chamber 20 through the first electric valve 100, and the amount of gas that the second oxygen-containing gas enters into the reaction chamber 20 through the gas supply mechanism 400 The amount can be individually controlled to achieve the purpose of processing and recycling the derived gas generated by the thermal decomposition of the waste, and the reaction conditions of the reaction chamber 20 can be maintained at the reaction oxygen content threshold ( Between 12% and 18%) to maintain the best capacity reduction efficiency. In particular, the air supply mechanism 400 can be a commercially available oxygen cylinder, an oxygen generator or a fan similar to the first fan 10, but is not limited to this.

Please also refer to Figure 9, which is a schematic diagram of the third embodiment of the volume reduction device of the present invention. The structure of the volume reduction device of the third embodiment is similar to that of the first embodiment. The difference is that the first electric valve 100 is a three-way solenoid valve (combining valve with two inlet ports and one outlet port). A first end 101 (an inlet end) of the first electric valve 100 is connected to the first fan 10 by the pipeline system P, and a second end 102 (another inlet end) of the first electric valve 100 is connected by The pipeline system P is connected to the second oxygen content sensor 90, and a third end 103 (outlet end) of the first electric valve 100 is connected to an inlet end of the reaction chamber 20) by the pipeline system P . The controller 200 can detect the content of the reaction chamber in the reaction chamber 20 according to the first oxygen concentration of the first oxygen-containing gas delivered by the first fan 10, and the first oxygen content sensor 30. The oxygen content and the oxygen content of the recovered gas in the recovered gas detected by the second oxygen content sensor 90 are processed and calculated by the controller 200 to control the first fan 10 and the first electric valve The operating state of 100, in this way, the first oxygen-containing gas enters the first fan 10, the first end 101 of the first electric valve 100, and the third end 103 of the first electric valve 100. The amount of gas in the reaction chamber 20 can be controlled, and the amount of recovered gas entering the reaction chamber 20 through the second end 102 of the first electric valve 100 and the third end 103 of the first electric valve 100 can be Being controlled, the reaction chamber 20 can be maintained within a predetermined oxygen content range (that is, the aforementioned reaction oxygen content threshold) to perform thermal decomposition operations to achieve the best volume reduction efficiency. For example, the controller 200 can control the first end 101 to open one-quarter, the second end 102 open one-half, and the third end 103 fully open, so that the recovered gas and the first contained The oxygen gas is mixed inside the first electric valve 100 and then injected into the reaction chamber 20 from the third end 103.

Please refer to Fig. 10, which is a flow chart of the first embodiment of the method for recovery and utilization of reduced-volume derived gas according to the present invention. The volume-reducing device can be used to perform the method for recovery and utilization of reduced-volume derived gas. The volume reduction derived gas recycling treatment method mainly includes the following processes.

Volume reduction step S1: Use the reaction chamber 20 to perform a low-temperature fumigation under a low oxygen concentration to decompose a waste. The low oxygen concentration refers to an oxygen concentration equal to or less than 18% (volume percentage), and the low-temperature fumigation refers to a temperature below 300 degrees Celsius.

Derivative gas processing step S2: using the derivative gas processing module 70 to perform a derivative gas processing procedure on the derivative gas discharged from the reaction chamber 20 to convert and output the recovered gas. The derivative gas processing procedure sequentially includes performing a purification operation by the gas processing mechanism 71, performing a combustion operation by the combustion chamber 72, and performing a filtering operation by the filter 73.

Reclaimed gas injection step S4: using the controller 200 to detect the oxygen content of the reaction chamber in the reaction chamber 20 according to the first oxygen content sensor 30 and the second oxygen content sensor 90 After the oxygen content of the recovered gas in the recovered gas is processed and calculated by the controller 200, the controller 200 controls the operating state of the first electric valve 100 connected to the reaction chamber 20 to determine that the recovered gas enters The injection volume of the reaction chamber 20.

Alternatively, please refer to Fig. 11, which is a flowchart of the second embodiment of the method for the recovery and utilization of volume-reduced derivative gas of the present invention. The method for recovery and utilization of volume-reduced derivative gas mainly includes the following processes.

Volume reduction step S1': using the reaction chamber 20 to perform a low-temperature fumigation at a low oxygen concentration to decompose a waste; the low-oxygen concentration means that the oxygen concentration is equal to or less than 18% (volume percentage), and the low-temperature fumigation Burning refers to temperatures below 300 degrees Celsius.

Derivative gas processing step S2': using the derivative gas processing module 70 to perform a derivative gas processing procedure on the derivative gas discharged from the reaction chamber 20; the derivative gas processing procedure sequentially includes performing a purification by the gas processing mechanism 71 Operation, a combustion operation is performed by the combustion chamber 72 and a filtering operation is performed by the filter 73.

Heat exchange step S3': Use the heat exchanger 80 to cool the gas processed by the derived gas processing program of the derived gas processing module 70 to remove moisture contained in the gas, and then convert and output the recovered gas.

Reclaimed gas injection step S4': using the controller 200 to detect the oxygen content of the reaction chamber in the reaction chamber 20 according to the first oxygen content sensor 30 and the second oxygen content sensor 90 The oxygen content of the recovered gas in the recovered gas is measured, and after processing and calculation by the controller 200, the controller 200 controls the operating state of the first electric valve 100 connected to the reaction chamber 20 to determine the recovered gas The amount of injection into the reaction chamber 20.

In one of the embodiments, the aforementioned method for the recovery and utilization of the reduced-volume derived gas may further include the following steps: using the controller 200 according to the first oxygen content sensor 30 and the second oxygen content sensor 90 The oxygen content of the reaction chamber and the oxygen content of the recovered gas are respectively detected to control the operating state of the first fan 10 connected to the reaction chamber 20, and then determine the first fan 10 to deliver the first oxygen-containing gas The delivery volume to the reaction chamber 20. Furthermore, the controller 200 can also be used to control the oxygen content of the reaction chamber and the oxygen content of the recovered gas respectively detected by the first oxygen content sensor 30 and the second oxygen content sensor 90 The operating state of the second electric valve 300 connected to the output end of the first electric valve 100 determines the delivery of the second oxygen-containing gas to the reaction chamber 20 by the gas supply mechanism 400 through the second electric valve 300 the amount.

In another embodiment, the aforementioned method for recovering and utilizing the reduced-volume derived gas further includes the following steps: using the controller 200 according to the first oxygen content sensor 30 and the second oxygen content sensor 90 respectively The oxygen content of the reaction chamber and the oxygen content of the recovered gas are detected to control the operating state of the first fan 10 connected to the first electric valve 100, and then determine that the first fan 10 passes the first electric valve 100 is the delivery amount of the first oxygen-containing gas to the reaction chamber 20.

Specifically, the volume reduction device and the volume reduction derived gas recovery and treatment method of the present invention mainly have the following characteristics:

1. It can recover and treat the derived gas generated during the thermal decomposition and volume reduction of waste in the reaction chamber, and its treatment methods include purification, combustion, filtration and water condensation in order, so as to produce reusable value and can be recycled and injected The recovery gas containing oxygen in the reaction chamber.

2. The first oxygen content sensor can be used to monitor the oxygen content in the reaction chamber, and the second oxygen content sensor can be used to monitor the oxygen content of the recovered gas, and the controller can be further used according to the first oxygen content sensor And the data measured by the second oxygen content sensor to control the amount of external gas (the first oxygen-containing gas, the second oxygen-containing gas) and the recovery gas injected into the reaction chamber respectively, whereby the reaction chamber is in the gas The source can be fumigated within a predetermined oxygen concentration range under the control of the source, to obtain the best thermal decomposition and volume reduction efficiency, and to ensure that the appropriate amount of gas enters the reaction chamber, which can avoid unnecessary waste.

Looking at the above, it can be seen that the present invention has indeed achieved the desired enhancement effect under the breakthrough of the previous technology, and it is not easy to think of those who are familiar with the art. Moreover, the present invention has not been disclosed before the application, and it has Progressiveness and practicability show that it has met the requirements for patent application. I filed a patent application in accordance with the law. I sincerely request that your office approve this invention patent application to encourage invention, and it is convenient.

The above-mentioned embodiments are only to illustrate the technical ideas and features of the present invention. Their purpose is to enable those who are familiar with the art to understand the content of the present invention and implement them accordingly. When they cannot be used to limit the patent scope of the present invention, That is, all equal changes or modifications made in accordance with the spirit of the present invention should still be covered by the patent scope of the present invention.

10: The first fan

20: reaction chamber

21: Buffer

30: The first oxygen content sensor

40: temperature sensor

50: height sensor

60: Second fan

70: Derivative gas processing module

71: Gas Processing Agency

711: Washing unit

712: Electrostatic dust removal unit

72: Combustion chamber

73: filter

731: Glass wool

732: Microporous breathable membrane

733: activated carbon cotton cloth

80: heat exchanger

90: The second oxygen content sensor

100: The first electric valve

101: first end

102: second end

103: third end

200: Controller

300: The second electric valve

400: Air supply mechanism

E: Circuit system

P: Piping system

S1, S1’: Capacity reduction steps

S2, S2’: Derivative gas processing steps

S3: heat exchange step

S4, S4’: Recovery gas injection step

Figure 1 is a schematic diagram of the first embodiment of the volume reduction device of the present invention. Figure 2 is a schematic diagram of the gas processing mechanism of the derivative gas processing module of the volume reduction device of the present invention. Figure 3 is a schematic diagram of the combustion chamber of the derivative gas processing module of the volume reduction device of the present invention. Figure 4 is a schematic diagram of the filter of the derivative gas processing module of the volume reduction device of the present invention. Figure 5 is a schematic diagram of the heat exchanger of the capacity reduction device of the present invention. Figure 6 is a schematic diagram of the second embodiment of the capacity reduction device of the present invention. Figure 7 is a schematic diagram of a partial structure of the second embodiment of the capacity reduction device of the present invention. Figure 8 is a schematic diagram of the second electric valve and air supply mechanism of the capacity reduction device of the present invention. Figure 9 is a schematic diagram of the third embodiment of the capacity reduction device of the present invention. Fig. 10 is a flowchart of the first embodiment of the method for recovery and utilization of volume reduction derived gas according to the present invention. Figure 11 is a flow chart of the second embodiment of the method for recovery and utilization of volume-reducing derived gas according to the present invention.

10: The first fan

20: reaction chamber

21: Buffer

30: The first oxygen content sensor

40: temperature sensor

50: height sensor

60: Second fan

70: Derivative gas processing module

71: Gas Processing Agency

72: Combustion chamber

73: filter

80: heat exchanger

90: The second oxygen content sensor

100: The first electric valve

200: Controller

E: Circuit system

P: Piping system

Claims (10)

A volume reduction device, which at least comprises: a reaction chamber (20), a first oxygen content sensor (30), a derivative gas processing module (70), a second oxygen content sensor (90), A first electric valve (100), a controller (200), a piping system (P) and a circuit system (E); wherein, the first oxygen content sensor (30) is set in the reaction Inside the chamber (20), the controller (200) is electrically connected to the first oxygen content sensor (30) through the circuit system (E); the derived gas processing module (70) is connected to the pipeline The system (P) is connected to the reaction chamber (20); the second oxygen content sensor (90) is connected to the derivative gas processing module (70) through the pipeline system (P), and the controller (200) The circuit system (E) is electrically connected to the second oxygen content sensor (90); one end of the first electric valve (100) is connected to the second oxygen content sensor through the pipeline system (P) Detector (90), the other end of the first electric valve (100) is connected to the reaction chamber (20) by the pipeline system (P), and the controller (200) is electrically connected to the circuit system (E) The first electric valve (100) is sexually connected; the controller (200) sets a reaction oxygen content threshold; wherein the reaction oxygen content threshold is between 12% and 18%. The volume reduction device according to claim 1, wherein the volume reduction device further comprises a first fan (10), and the first fan (10) is connected to the reaction chamber (20) by the pipeline system (P) At an air intake end, the controller (200) is electrically connected to the first fan (10) through the circuit system (E). The volume reduction device according to claim 2, wherein the first electric valve (100) is a two-way solenoid valve with an inlet end and an outlet end, and the inlet end is connected by the pipeline system (P) The first The second oxygen content sensor (90), the outlet end is connected to the other inlet end of the reaction chamber (20) by the pipeline system (P). The volume reduction device according to claim 3, wherein the volume reduction device further comprises a second electric valve (300) and an air supply mechanism (400); the second electric valve (300) is a two-way solenoid valve, One end of the second electric valve (300) is connected to one end of the first electric valve (100) connected to the reaction chamber (20) by the pipeline system (P), and the air supply mechanism (400) is connected to the The pipeline system (P) is connected to the other end of the second electric valve (300), and the second electric valve (300) is electrically connected to the controller (200) through the circuit system (E). The capacity reduction device according to claim 1, wherein the capacity reduction device further comprises a first fan (10), and the controller (200) is electrically connected to the first fan (10) through the circuit system (E) And, the first electric valve (100) is a three-way solenoid valve with two inlet ends and an outlet end, and one of the first ends (101) of the first electric valve (100) is two of the One of the inlet ends is connected to the first fan (10) by the piping system (P), and a second end (102) of the first electric valve (100) is two of the inlet ends. The other of the inlet end is connected to the second oxygen content sensor (90) by the pipeline system (P), and a third end (103) of the first electric valve (100) is the outlet port and The piping system (P) is connected to an inlet end of the reaction chamber (20). The capacity reduction device according to claim 1, wherein the capacity reduction device further comprises a first fan (10) and a second fan (60), and the first fan (10) is connected to the pipeline system (P) Connected to an inlet end of the reaction chamber (20), the second fan (60) is connected between the reaction chamber (20) and the derivative gas processing module (70) by the pipeline system (P) The controller (200) is electrically connected to the first fan (10) through the circuit system (E). The volume reduction device according to claim 1, wherein the volume reduction device further comprises a heat exchanger (80), and the heat exchanger (80) is connected to the derivative gas processing module ( 70), the second oxygen content sensor (90) is connected to the heat exchanger (80) through the pipeline system (P). A method for the recovery and utilization of volume reduction derived gas is suitable for a volume reduction device as described in claim 1. The method for recovery and utilization of volume reduction derived gas includes the following steps: using the reaction chamber (20) in a low oxygen concentration Next, perform a low-temperature fumigation to decompose a waste. The low-oxygen concentration means that the oxygen concentration is equal to or less than 18% by volume. The low-temperature fumigation means that the temperature is lower than 300 degrees Celsius; the derived gas processing module is used (70) Performing a derivative gas processing program on the derivative gas discharged from the reaction chamber (20) to output a recovered gas; the controller (200) detects the derivative gas according to the first oxygen content sensor (30) The oxygen content of one of the reaction chambers (20) and the oxygen content of one of the recovered gases detected by the second oxygen content sensor (90) are processed by the controller (200) and After calculation, the controller (200) controls the operating state of the first electric valve (100) connected to the reaction chamber (20), and then determines the injection volume of the recovered gas into the reaction chamber (20); wherein the control The device (200) is set with a reaction oxygen content threshold; wherein the reaction oxygen content threshold is between 12% and 18%. The method for recovery and utilization of reduced-volume derived gas according to claim 8, wherein the method for recovery and utilization of reduced-volume derived gas further comprises the following steps: using the controller (200) according to the first oxygen content sensor (30) The oxygen content of the reaction chamber detected by the reaction chamber (20) and the oxygen content of the recovered gas detected by the second oxygen content sensor (90) are passed through the controller (200 ) After processing and calculation, the controller (200) controls a first fan connected to the reaction chamber (20) The operating state of (10) determines the delivery volume of the first oxygen-containing gas to the reaction chamber (20) by the first fan (10). The method for recovery and utilization of the reduced-volume derived gas according to claim 8, wherein the derived gas processing procedure sequentially includes a gas processing mechanism (71) for a purification operation, and a combustion chamber (72) for a combustion operation And a filter (73) is used to perform a filtering operation.

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