A CO 2 Biodegradable tank system with detection function

Abstract

The present invention discloses a biodegradable tank system with a CO2 detection function, comprising: an air intake component, an exhaust component, a detection component, a control device and a plurality of degradation reaction tanks, wherein the degradation reaction tank is provided with an air inlet and an air outlet, the air intake component comprises an air intake device, a humidifier, an air intake pipeline and a plurality of air intake control valves, the air intake device is used to deliver compressed air to the air intake pipeline, the air intake pipeline is respectively connected to the air inlets of the plurality of degradation reaction tanks through the air intake control valves, the humidifier is used to change the air humidity in the air intake pipeline, and the detection component comprises a concentration detection module and an air path purification device. The present invention has the advantages of reducing cost, reducing occupied space, eliminating the interference of residual gas in each detection, and improving the detection accuracy.

Description

Technical Field

[0001] The invention relates to the technical field of biodegradation, and in particular to a biodegradable tank system with a CO2 detection function. Background Art

[0002] With the continuous progress of society, people's demand for plastics is getting higher and higher, and their dependence on plastics is getting stronger and stronger. However, with the widespread use of plastic products, the problem of white pollution has also been brought about. At the same time, with the increasing awareness of environmental protection, my country's environmental protection efforts have gradually increased, and degradable plastics have become one of the important means and methods to solve this problem. Biodegradation testing is an important means and method to judge degradable plastics. The biodegradation performance test of plastics is to test the biodegradation rate of different plastics under certain temperature, humidity, and feeding conditions, so as to judge the biodegradability of different degradable plastics.

[0003] However, in order to ensure the consistency of external influencing factors and to ensure that the degradation processes of each group of plastics do not interfere with each other, multiple sets of detection devices are required for testing, which takes up a lot of space and is inconvenient to use. In addition, due to the different states of different detection devices during the testing process, it is difficult to ensure the accuracy of the test. Summary of the invention

[0004] The purpose of the present invention is to provide a composting degradation tank system with a CO2 detection function, which has the advantages of being able to complete the detection of the reaction conditions of all degradation reaction tanks through a set of detection components, reducing costs, reducing occupied space, and eliminating the interference of residual gas in each detection, thereby improving the detection accuracy.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions:

[0006] A biodegradable tank system with a CO2 detection function, characterized in that it comprises: an air intake component, an exhaust component, a detection component, a control device and a plurality of degradation reaction tanks, wherein the degradation reaction tanks are provided with an air inlet and an air outlet.

[0007] The air intake assembly includes an air intake device, a humidifier, an air intake pipeline and a plurality of air intake control valves. The air intake device is used to deliver compressed air to the air intake pipeline. The air intake pipeline is connected to the air inlets of the plurality of degradation reaction tanks through the air intake control valves and the air intake flow is controlled by the air intake control valves. The humidifier is used to change the air humidity in the air intake pipeline.

[0008] The exhaust assembly includes a detection pipeline, a purification control valve, a vacuum device and multiple groups of exhaust structures, and the multiple groups of exhaust structures correspond to a number of degradation reaction tanks one by one. The exhaust structure includes an exhaust condensation device and an exhaust control valve. The exhaust condensation device includes a condensation inlet and a condensation outlet. The condensation inlet of the exhaust condensation device is connected to the gas outlet of the degradation reaction tank, and the condensation outlet is connected to the exhaust control valve; the exhaust control valve is a three-way control valve, specifically including an air inlet end and two air outlet ends, the air inlet end is connected to the condensation outlet, one of the air outlet ends is connected to an exhaust pipeline for exhausting gas, and the other air outlet end is connected to the detection pipeline; each condensation outlet is connected to the detection assembly through the exhaust control valve and the detection pipeline; the vacuum device is connected to the detection pipeline through the purification control valve, and when the purification control valve is opened, the vacuum device is used to extract the gas in the detection pipeline;

[0009] The detection component includes a data detection module and a detection control valve, the data detection module is connected to the detection pipeline through the detection control valve, and the data detection module is used to detect the concentration, flow rate, and temperature of the detection gas and send the concentration information, flow rate information, and temperature information to the control device;

[0010] The air intake assembly, the exhaust assembly and the detection assembly are all electrically connected to the control device.

[0011] Further configuration: the data detection module includes a concentration detection unit, a flow detection unit and a temperature detection unit, and the concentration detection unit, the flow detection unit and the temperature detection unit are respectively connected to the detection pipeline through detection control valves, the concentration detection unit is used to detect the gas concentration to obtain concentration information, the flow detection unit is used to detect the flow information in the detection pipeline, and the temperature detection unit is used to detect the temperature information in the detection pipeline.

[0012] Further configuration: the detection control valve is a two-way control valve, the air inlet end of the detection control valve is connected to the detection pipeline, the air outlet end of the detection control valve is connected in series with the concentration detection unit and the flow detection unit to synchronously detect the flow information and concentration information of the gas, and the temperature detection unit is used to synchronously detect the temperature of the gas at that location when the flow detection unit detects the flow information of the gas.

[0013] Further configuration: the detection control valve is a three-way control valve, the air inlet end of the detection control valve is connected to the detection pipeline, the two air outlet ends of the detection control valve are respectively a normally open end and a normally closed end, the normally open end is connected to a concentration detection unit, and the normally closed end is connected to a flow detection unit, the control device switches the outflow direction of the measured gas by controlling the switches of the normally open end and the normally closed end to detect the flow information and concentration information respectively, and the temperature detection unit is used to synchronously detect the temperature of the gas at that location when the flow detection unit detects the flow information of the gas.

[0014] Further configuration: the air intake device includes a compressed air source, an air intake buffer tank and a filter assembly, the compressed air source is connected to the air intake buffer tank, the air intake buffer tank is connected to the air intake pipeline through the filter assembly, and the filter assembly is used to filter the compressed air source.

[0015] It is further configured that a cooling and dehumidifying device is provided between the concentration detection unit and the detection control valve, and the cooling and dehumidifying device is used to dehumidify the gas entering the concentration detection unit and the flow detection unit.

[0016] Further settings: Configuration has control steps:

[0017] Step 1: Before the test, close all exhaust control valves, and control the air inlet ends of the exhaust control valves to be connected to the exhaust pipes;

[0018] Step 2: Open the purge control valve, operate the vacuum device to evacuate the inside of the detection pipeline, and then close the purge control valve. Then, control the air inlet end of the exhaust control valve corresponding to one of the undetected degradation reactors to be connected to the detection pipeline. The gas in the detection pipeline is controlled to flow to the concentration detection unit and the flow detection unit through the detection control valve, and the concentration information and flow information obtained by the detection are sent to the control device. While performing the flow detection, the temperature detection unit synchronously detects the gas temperature in the detection pipeline and sends the detected temperature information to the control device. Control the air inlet end of the corresponding exhaust control valve to be connected to the exhaust pipeline, open the purge control valve, evacuate the inside of the detection pipeline to a vacuum, and then close the purge control valve.

[0019] Step 3: The control device receives and stores the concentration information, flow information, and temperature information, and repeats the above step 2 until the concentration information, flow information, and temperature information corresponding to each degradation reaction tank are obtained.

[0020] Further configuration: a plurality of the degradation reaction tanks are placed in the same closed device provided with a temperature regulating device or in different closed devices with the same temperature conditions, and the temperature regulating device is electrically connected to the control device.

[0021] It is further configured that: the control device controls the humidification amount of the air intake pipe by the humidifier according to the received flow information, and the control device controls the opening of the air intake control valve according to the received flow information.

[0022] Further configuration: the degradation reaction tank includes a tank body, a tank cover and a porous partition, the porous partition is placed at the bottom of the tank body, the air inlet is located at the bottom of the tank body and below the porous partition, the tank cover is provided with a stirring device and an exhaust port, the stirring device also includes an independent stirring drive and a stirring paddle extending into the tank body, the stirring paddle is one to multiple layers of paddles, the stirring device is electrically connected to the control device, the tank body and the tank cover are physically connected together and sealed by a sealing member.

[0023] In summary, the present invention has the following beneficial effects: it can continuously supply air with a certain humidity to the degradation reaction tank, and the water content in the degradation reaction tank can be maintained by refluxing the condensed water in the exhaust condensation device, and the water can be evenly distributed by stirring with the stirring device, thereby maintaining stable degradation reaction conditions, facilitating the degradation reaction, and reducing manual operations. The gas and other substances in the detection pipeline can be extracted by the vacuum device, thereby avoiding cross-influence when detecting the exhaust of different degradation reaction tanks, and preventing the condensed water in the pipeline from having an adverse effect on the detection component. The concentration, flow rate, and temperature of the exhaust of the degradation reaction tank are automatically detected, thereby improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the embodiment.

[0025] In the figure, 1. degradation reaction tank; 2. air intake device; 3. humidifier; 4. air intake pipe; 5. air intake control valve; 6. exhaust condensation device; 7. stirring device; 8. porous partition; 9. exhaust control valve; 10. exhaust pipe; 11. detection pipe; 12. cooling and dehumidification device; 13. detection control valve; 14. concentration detection unit; 15. flow detection unit; 16. purification control valve; 17. vacuum device. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0027] Example:

[0028] like Figure 1 As shown, a biodegradable tank system with a CO2 detection function is characterized in that it includes: an air intake component, an exhaust component, a detection component, a control device and a plurality of degradation reaction tanks, wherein the degradation reaction tanks are provided with an air inlet and an air outlet.

[0029] The air intake assembly includes an air intake device, a humidifier, an air intake pipeline and a plurality of air intake control valves. The air intake device is used to deliver compressed air to the air intake pipeline. The air intake pipeline is connected to the air inlets of the plurality of degradation reaction tanks through the air intake control valves and the air intake flow is controlled by the air intake control valves. The humidifier is used to change the air humidity in the air intake pipeline.

[0030] The exhaust assembly includes a detection pipeline, a purification control valve, a vacuum device and multiple groups of exhaust structures, and the multiple groups of exhaust structures correspond to a number of degradation reaction tanks one by one. The exhaust structure includes an exhaust condensation device and an exhaust control valve. The exhaust condensation device includes a condensation inlet and a condensation outlet. The condensation inlet of the exhaust condensation device is connected to the gas outlet of the degradation reaction tank, and the condensation outlet is connected to the exhaust control valve; the exhaust control valve is a three-way control valve, specifically including an air inlet end and two air outlet ends, the air inlet end is connected to the condensation outlet, one of the air outlet ends is connected to an exhaust pipeline for exhausting gas, and the other air outlet end is connected to the detection pipeline; each condensation outlet is connected to the detection assembly through the exhaust control valve and the detection pipeline; the vacuum device is connected to the detection pipeline through the purification control valve, and when the purification control valve is opened, the vacuum device is used to extract the gas in the detection pipeline;

[0031] The detection component includes a data detection module and a detection control valve, the data detection module is connected to the detection pipeline through the detection control valve, and the data detection module is used to detect the concentration, flow rate, and temperature of the detection gas and send the concentration information, flow rate information, and temperature information to the control device;

[0032] The air intake assembly, the exhaust assembly and the detection assembly are all electrically connected to the control device.

[0033] The data detection module includes a concentration detection unit, a flow detection unit and a temperature detection unit. The concentration detection unit, the flow detection unit and the temperature detection unit are respectively connected to the detection pipeline through detection control valves. The concentration detection unit is used to detect the gas concentration to obtain concentration information, the flow detection unit is used to detect the flow information in the detection pipeline, and the temperature detection unit is used to detect the temperature information in the detection pipeline.

[0034] The detection control valve is a two-way control valve, the air inlet end of the detection control valve is connected to the detection pipeline, the air outlet end of the detection control valve is connected in series with the concentration detection unit and the flow detection unit to synchronously detect the flow information and concentration information of the gas, and the temperature detection unit is used to synchronously detect the temperature of the gas at that location when the flow detection unit detects the flow information of the gas.

[0035] The detection control valve is a three-way control valve, the air inlet end of the detection control valve is connected to the detection pipeline, the two air outlet ends of the detection control valve are respectively a normally open end and a normally closed end, the normally open end is connected to a concentration detection unit, and the normally closed end is connected to a flow detection unit. The control device switches the outflow direction of the measured gas by controlling the switches of the normally open end and the normally closed end to detect the flow information and concentration information respectively, and the temperature detection unit is used to synchronously detect the temperature of the gas at that location when the flow detection unit detects the flow information of the gas.

[0036] The air intake device includes a compressed air source, an air intake buffer tank and a filter assembly. The compressed air source is connected to the air intake buffer tank, and the air intake buffer tank is connected to the air intake pipeline through the filter assembly. The filter assembly is used to filter the compressed air source.

[0037] A cooling and dehumidifying device is also provided between the concentration detection unit and the detection control valve, and the cooling and dehumidifying device is used to dehumidify the gas entering the concentration detection unit and the flow detection unit.

[0038] The control device is equipped with control steps:

[0039] Step 1: Before the test, close all exhaust control valves, and control the air inlet ends of the exhaust control valves to be connected to the exhaust pipes;

[0040] Step 2: Open the purge control valve, operate the vacuum device to evacuate the inside of the detection pipeline, and then close the purge control valve. Then, control the air inlet end of the exhaust control valve corresponding to one of the undetected degradation reactors to be connected to the detection pipeline. The gas in the detection pipeline is controlled to flow to the concentration detection unit and the flow detection unit through the detection control valve, and the concentration information and flow information obtained by the detection are sent to the control device. While performing the flow detection, the temperature detection unit synchronously detects the gas temperature in the detection pipeline and sends the detected temperature information to the control device. Control the air inlet end of the corresponding exhaust control valve to be connected to the exhaust pipeline, open the purge control valve, evacuate the inside of the detection pipeline to a vacuum, and then close the purge control valve.

[0041] Step 3: The control device receives and stores the concentration information, flow information, and temperature information, and repeats the above step 2 until the concentration information, flow information, and temperature information corresponding to each degradation reaction tank are obtained.

[0042] The plurality of degradation reaction tanks are all placed in the same sealed device provided with a temperature regulating device or in different sealed devices with the same temperature conditions, and the temperature regulating device is electrically connected to the control device.

[0043] The control device controls the humidification amount of the air intake pipe by the humidifier according to the received flow information, and the control device controls the opening of the air intake control valve according to the received flow information.

[0044] The degradation reaction tank includes a tank body, a tank cover and a porous partition, wherein the porous partition is placed at the bottom of the tank body, the air inlet is located at the bottom of the tank body and below the porous partition, the tank cover is provided with a stirring device and an exhaust port, the stirring device also includes an independent stirring drive and a stirring paddle extending into the tank body, the stirring paddle is one or more layers of paddles, the stirring device is electrically connected to the control device, and the tank body and the tank cover are physically connected together and sealed by a sealing member.

[0045] In summary, the present invention has the following beneficial effects: it can continuously supply air with a certain humidity to the degradation reaction tank, and the water content in the degradation reaction tank can be maintained by refluxing the condensed water in the exhaust condenser, and the water can be evenly distributed by stirring with a stirring device, thereby maintaining stable degradation reaction conditions, facilitating the degradation reaction, and reducing manual operations. The gas and other substances in the detection pipeline can be extracted by a vacuum device, thereby avoiding cross-influence when detecting the exhaust of different degradation reaction tanks, and preventing the condensed water in the pipeline from having an adverse effect on the detection component. The concentration, flow rate, and temperature of the exhaust of the degradation reaction tank are automatically detected, thereby improving the detection efficiency.

[0046] The above-described implementation methods do not constitute a limitation on the protection scope of the technical solution. Any modification, equivalent replacement and improvement made within the spirit and principle of the above-described implementation methods shall be included in the protection scope of the technical solution.

Claims

1. A biodegradable tank system with CO2 detection function, characterized in that: include: An air intake component, an exhaust component, a detection component, a control device and a plurality of degradation reaction tanks, wherein the degradation reaction tank is provided with an air inlet and an air outlet. The air intake assembly includes an air intake device, a humidifier, an air intake pipeline and a plurality of air intake control valves. The air intake device is used to deliver compressed air to the air intake pipeline. The air intake pipeline is connected to the air inlets of the plurality of degradation reaction tanks through the air intake control valves and the air intake flow is controlled by the air intake control valves. The humidifier is used to change the air humidity in the air intake pipeline. The exhaust assembly includes a detection pipeline, a purification control valve, a vacuum device and multiple groups of exhaust structures, and the multiple groups of exhaust structures correspond to a number of degradation reaction tanks one by one. The exhaust structure includes an exhaust condensation device and an exhaust control valve. The exhaust condensation device includes a condensation inlet and a condensation outlet. The condensation inlet of the exhaust condensation device is connected to the gas outlet of the degradation reaction tank, and the condensation outlet is connected to the exhaust control valve; the exhaust control valve is a three-way control valve, specifically including an air inlet end and two air outlet ends, the air inlet end is connected to the condensation outlet, one of the air outlet ends is connected to an exhaust pipeline for exhausting gas, and the other air outlet end is connected to the detection pipeline; each condensation outlet is connected to the detection assembly through the exhaust control valve and the detection pipeline; the vacuum device is connected to the detection pipeline through the purification control valve, and when the purification control valve is opened, the vacuum device is used to extract the gas in the detection pipeline; The detection component includes a data detection module and a detection control valve, the data detection module is connected to the detection pipeline through the detection control valve, and the data detection module is used to detect gas concentration, flow rate, and temperature and send concentration information, flow rate information, and temperature information to the control device; The air intake assembly, the exhaust assembly and the detection assembly are all electrically connected to the control device.

2. A biodegradable tank system with CO2 detection function according to claim 1, characterized in that: The data detection module includes a concentration detection unit, a flow detection unit and a temperature detection unit. The concentration detection unit, the flow detection unit and the temperature detection unit are respectively connected to the detection pipeline through detection control valves. The concentration detection unit is used to detect the gas concentration to obtain concentration information, the flow detection unit is used to detect the flow information in the detection pipeline, and the temperature detection unit is used to detect the temperature information in the detection pipeline.

3. A biodegradable tank system with CO2 detection function according to claim 2, characterized in that: The detection control valve is a two-way control valve, the air inlet end of the detection control valve is connected to the detection pipeline, the air outlet end of the detection control valve is connected in series with the concentration detection unit and the flow detection unit to synchronously detect the flow information and concentration information of the gas, and the temperature detection unit is used to synchronously detect the temperature of the gas at that location when the flow detection unit detects the flow information of the gas.

4. The biodegradable tank system with CO2 detection function according to claim 2, characterized in that: The detection control valve is a three-way control valve, the air inlet end of the detection control valve is connected to the detection pipeline, the two air outlet ends of the detection control valve are respectively a normally open end and a normally closed end, the normally open end is connected to a concentration detection unit, and the normally closed end is connected to a flow detection unit. The control device switches the outflow direction of the measured gas by controlling the switches of the normally open end and the normally closed end to detect the flow information and concentration information respectively, and the temperature detection unit is used to synchronously detect the temperature of the gas at that location when the flow detection unit detects the flow information of the gas.

5. The biodegradable tank system with CO2 detection function according to claim 1, characterized in that: The air intake device includes a compressed air source, an air intake buffer tank and a filter assembly. The compressed air source is connected to the air intake buffer tank, and the air intake buffer tank is connected to the air intake pipeline through the filter assembly. The filter assembly is used to filter the compressed air source.

6. The biodegradable tank system with CO2 detection function according to claim 2, characterized in that: A cooling and dehumidifying device is also provided between the concentration detection unit and the detection control valve, and the cooling and dehumidifying device is used to dehumidify the gas entering the concentration detection unit and the flow detection unit.

7. The biodegradable tank system with CO2 detection function according to claim 2, characterized in that: The configuration has control steps: Step 1: Before the test, close all exhaust control valves, and control the air inlet ends of the exhaust control valves to be connected to the exhaust pipes; Step 2: Open the purge control valve, operate the vacuum device to evacuate the inside of the detection pipeline, and then close the purge control valve. Then, control the air inlet end of the exhaust control valve corresponding to one of the undetected degradation reactors to be connected to the detection pipeline. The gas in the detection pipeline is controlled to flow to the concentration detection unit and the flow detection unit through the detection control valve, and the concentration information and flow information obtained by the detection are sent to the control device. While performing the flow detection, the temperature detection unit synchronously detects the gas temperature in the detection pipeline and sends the detected temperature information to the control device. Control the air inlet end of the corresponding exhaust control valve to be connected to the exhaust pipeline, open the purge control valve, evacuate the inside of the detection pipeline to a vacuum, and then close the purge control valve. Step 3: The control device receives and stores the concentration information, flow information, and temperature information, and repeats the above step 2 until the concentration information, flow information, and temperature information corresponding to each degradation reaction tank are obtained.

8. The biodegradable tank system with CO2 detection function according to claim 4, characterized in that: The plurality of degradation reaction tanks are all placed in the same sealed device provided with a temperature regulating device or in different sealed devices with the same temperature conditions, and the temperature regulating device is electrically connected to the control device.

9. The biodegradable tank system with CO2 detection function according to claim 1, characterized in that: The control device controls the humidification amount of the air intake pipe by the humidifier according to the received flow information, and the control device controls the opening of the air intake control valve according to the received flow information.

10. The biodegradable tank system with CO2 detection function according to claim 1, characterized in that: The degradation reaction tank includes a tank body, a tank cover and a porous partition, wherein the porous partition is placed at the bottom of the tank body, the air inlet is located at the bottom of the tank body and below the porous partition, the tank cover is provided with a stirring device and an exhaust port, the stirring device also includes an independent stirring drive and a stirring paddle extending into the tank body, the stirring paddle is one or more layers of paddles, the stirring device is electrically connected to the control device, and the tank body and the tank cover are physically connected together and sealed by a sealing member.

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