A system and method for continuous automatic ultrasonic pretreatment of organic matter

Abstract

The present invention relates to the technical field of organic matter pretreatment and automated control, and proposes a system and method for continuous automatic ultrasonic pretreatment of organic matter. The system and method realize automatic adjustment of input and output materials and reflux, and can also be adjusted according to the concentration of the organic matter, further optimizing the efficiency of the ultrasonic reactor, and can better ensure the expected treatment effect. The system can automatically treat a variety of organic matter and can be widely applied to the pretreatment process of organic matter. The system is more universal and practical, including an ultrasonic device, a feeding device, a discharging device, a reflux device and a control device. The ultrasonic device includes an ultrasonic reaction cylinder and an ultrasonic generator. A plurality of ultrasonic transducers are distributed on the outer surface of the ultrasonic reaction cylinder, and the plurality of ultrasonic transducers are all connected to the ultrasonic generator. The ultrasonic reaction cylinder is equipped with a pH module, a dissolved oxygen module, a temperature module and a sampling port. The ultrasonic generator, the pH module, the dissolved oxygen module and the temperature module are all connected to the control device.

Description

Technical Field

[0001] The present invention relates to the technical field of organic matter pretreatment and automatic control, and in particular to a system and method for continuous automatic ultrasonic pretreatment of organic matter. Background Art

[0002] As is well known, a system and method for continuous automatic ultrasonic pretreatment of organic matter is an auxiliary system used in the organic matter extraction process to pretreat the organic matter by ultrasonic cavitation to improve the extraction rate or biodegradability.

[0003] At present, the most common ultrasonic reactor is a batch reactor. When this type of batch reactor completes ultrasonic treatment of organic matter, the treated organic matter will always remain in the reactor until it is manually discharged to allow the organic matter to leave the reactor. The degree of automation is low and the treatment efficiency is low. On the other hand, when the batch reactor is large, due to the limited coverage of the ultrasonic wave, only the organic matter in the area around the transducer can be treated, and the reaction effect of the organic matter in the middle area is weak, making it difficult to achieve the expected treatment efficiency. Summary of the Invention

[0004] (1) Technical problems solved

[0005] In response to the shortcomings of the existing technology, the present invention provides a system and method for continuous automatic ultrasonic pretreatment of organic matter, which realizes automatic adjustment of input and output materials and reflux, has a high degree of automation, and can also be adjusted according to the concentration of organic matter, further optimizing the efficiency of the ultrasonic reactor, which can better ensure the expected treatment effect, and can automatically process a variety of organic matter at the same time. It can be widely applied to the pretreatment process of organic matter, has good versatility and is more practical.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a system and method for continuous automatic ultrasonic pretreatment of organic matter, comprising an ultrasonic device, a feeding device, a discharging device, a reflux device and a control device, wherein the ultrasonic device comprises an ultrasonic reaction cylinder and an ultrasonic generator, a plurality of ultrasonic transducers are distributed on the outer surface of the ultrasonic reaction cylinder, and the plurality of ultrasonic transducers are connected to the ultrasonic generator, the ultrasonic reaction cylinder is equipped with a pH module, a dissolved oxygen module, a temperature module and a sampling port, the ultrasonic generator, the pH module, the dissolved oxygen module and the temperature module are all connected to the control device, a heating pipe is installed in the ultrasonic reaction cylinder, wherein the feeding device comprises a feeding trough, the feeding trough is equipped with an online concentration meter, the feeding trough is connected to a feeding pump, the feeding pump is connected to a feeding flow meter, and the feeding flow meter is connected to the ultrasonic The reaction cylinder is connected, and a feed solenoid valve is installed between the ultrasonic reaction cylinder and the feed flowmeter. The feed pump and the feed solenoid valve are connected to the control device. The control device can send instructions to adjust the flow rate of the feed pump and the switch of the feed solenoid valve. The feed flowmeter is connected to the control device, wherein the discharging device includes a discharge trough, the discharge trough is connected to the ultrasonic reaction cylinder, and a valve is installed between the ultrasonic reaction cylinder and the discharge trough, a discharge flowmeter is installed between the valve and the discharge trough, and the discharge flowmeter is connected to the control device, wherein the reflux device includes a circulation pump, a circulation flowmeter and a circulation solenoid valve, the ultrasonic reaction cylinder is connected to a reflux pipe, the circulation pump, the circulation flowmeter and the circulation solenoid valve are all installed on the reflux pipe, and the circulation pump, the circulation flowmeter and the circulation solenoid valve are distributed in sequence from left to right, the circulation pump and the circulation solenoid valve are all connected to the control device, and the circulation flowmeter is connected to the control device.

[0008] Based on the above scheme, the control device is installed in the ultrasonic reaction cylinder, and the temperature module in the ultrasonic reaction cylinder can feed back the temperature in the ultrasonic reaction cylinder to the control device in real time. The control device sends instructions to the temperature module according to the system setting value, thereby automatically adjusting the temperature in the ultrasonic reaction cylinder.

[0009] Preferably, based on the above scheme, a cap rack is installed on the feed trough, and the online concentration meter is installed on the cap rack. The online concentration meter passes through the cap rack and extends into the feed trough to provide real-time organic matter concentration information to the control device. The control device can adjust the flow rate of the feed pump according to the organic matter concentration, thereby adjusting the hydraulic retention time.

[0010] Further on the basis of the above solution, the total solid content of organic matter in the feeding trough is between 0% and 40%.

[0011] Further to the above solution, the frequency range of the ultrasonic transducer is between 20kHz-500kHz.

[0012] Further to the above solution, the acoustic energy density in the ultrasonic reaction tank ranges from 0 to 500 W / L.

[0013] As a further embodiment of the above solution, the temperature in the ultrasonic reaction tank is adjusted within a range of -18-100°C.

[0014] As a further improvement of the above solution, the specific shape of the ultrasonic reaction tank depends on the type and solid content of the organic matter.

[0015] A method for operating a system for continuous automatic ultrasonic pretreatment of organic matter comprises the following steps:

[0016] S1, power on, reset each module;

[0017] S2. Input system working parameters and issue working instructions;

[0018] S3, receiving concentration information transmitted by the online concentration meter in the feed trough;

[0019] S4. Adjust the hydraulic retention time to the set value according to the feedback information of the online concentration meter;

[0020] S41. Adjust the flow rate of the feed pump and the circulation pump according to the feedback information of the online concentration meter;

[0021] S42, controlling the switch of the feed solenoid valve and the circulation solenoid valve according to the information of the feed flow meter and the circulation flow meter;

[0022] S43, determining whether the hydraulic retention time reaches the set value, and stopping adjustment after reaching the set value;

[0023] S5, receiving information from the pH module and the dissolved oxygen module in the ultrasonic reaction tank;

[0024] S6. Adjust the acoustic energy density of the ultrasonic reaction tank to a set value according to the pH value and dissolved oxygen value;

[0025] S61, according to the pH value and the dissolved oxygen value, feedback the optimal ultrasonic sound energy density setting value, and adjust the output power of the ultrasonic generator;

[0026] S62, determining whether the sound energy density reaches a set value, and stopping adjustment after reaching the set value;

[0027] S7, receiving information from the temperature module in the ultrasonic reaction tank;

[0028] S8. Adjust the temperature of the ultrasonic reaction tank to the set value according to the temperature module information;

[0029] S81, controlling the temperature module to adjust the temperature in the cylinder according to the temperature setting value;

[0030] S82, determining whether the temperature has reached the set value, and stopping adjustment after reaching the set value;

[0031] S9, end.

[0032] (3) Beneficial effects

[0033] Compared with the prior art, the present invention provides a system and method for continuous automatic ultrasonic pretreatment of organic matter, which has the following beneficial effects:

[0034] 1. In the present invention, by being equipped with a feeding device, a reflux device, a discharging device and a control device, automatic and continuous feeding of organic matter can be achieved, automatic adjustment of the feeding and discharging and reflux are realized, the degree of automation is high, the preparation time in the organic matter treatment process is effectively reduced, and the work efficiency of organic matter pretreatment is improved.

[0035] 2. In the present invention, through the cooperation of the online concentration meter and the control device, adjustments can be made according to the concentration of organic matter, so that automatic pretreatment of organic matter with different concentrations can be achieved, effectively improving the adaptability and stability of the system.

[0036] 3. In the present invention, through the setting of the pH module, dissolved oxygen module and control device, real-time regulation of the acoustic energy density in the ultrasonic reaction tank can be achieved, which helps the organic matter obtain the best ultrasonic reaction conditions, further improves the treatment efficiency of the organic matter, can better ensure the expected treatment effect while also reducing energy consumption costs.

[0037] 4. In the present invention, through the information interaction between the temperature module and the control device, the temperature in the ultrasonic reaction cylinder can be automatically adjusted, a variety of organic matter can be automatically processed, and it can be widely applied to the pretreatment process of organic matter. It has good versatility, expands the treatment range of organic matter, improves applicability, and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a structural diagram of the overall layout of the present invention;

[0039] Figure 2 It is a schematic flow chart of the operation process of the present invention.

[0040] In the figure: 1 feeding device; 11 feeding trough; 12 feeding pump; 13 feeding flowmeter; 14 feeding solenoid valve; 15 online concentration meter; 2 ultrasonic device; 21 ultrasonic reaction cylinder; 22 ultrasonic transducer; 23 ultrasonic generator; 24 pH module; 25 dissolved oxygen module; 26 temperature module; 27 heating tube; 3 discharging device; 31 valve; 32 discharging flowmeter; 33 discharging trough; 4 reflux device; 41 circulation pump; 42 circulation flowmeter; 43 circulation solenoid valve; 5 control device. DETAILED DESCRIPTION

[0041] Example

[0042] See also Figure 1-2A system and method for continuous automatic ultrasonic pretreatment of organic matter includes an ultrasonic device 2, a feeding device 1, a discharging device 3, a reflux device 4, and a control device 5. The feeding device 1, the reflux device 4, the discharging device 3, and the control device 5 enable automatic and continuous feeding of organic matter, automatic adjustment of feeding and discharging, and reflux, with a high degree of automation. This effectively reduces preparation time during organic matter treatment and improves the efficiency of organic matter pretreatment. The ultrasonic device 2 includes an ultrasonic reaction cylinder 21 and an ultrasonic generator 23. The control device 5 is installed in the ultrasonic reaction cylinder 21. A temperature module 26 in the ultrasonic reaction cylinder 21 can feed back the temperature in the ultrasonic reaction cylinder 21 to the control device 5 in real time. The control device 5 sends an instruction to the temperature module 26 according to the system setting value, thereby automatically adjusting the temperature in the ultrasonic reaction cylinder 21. A plurality of ultrasonic transducers 22 are distributed on the outer surface of the ultrasonic reaction cylinder 21. The frequency range of the ultrasonic transducers 22 is between 20kHz and 500kHz. The plurality of ultrasonic transducers 22 are connected to the ultrasonic generator 23. The ultrasonic reaction cylinder 21 is equipped with a pH module 24, a dissolved oxygen module 25, a temperature module 26 and a sampling port. The ultrasonic generator 23, the pH module 24, the dissolved oxygen module 25 and the temperature module 26 are all connected to the control device 5. The ultrasonic generator 23 can adjust the power of the ultrasonic device 2 after receiving the instruction from the control device 5. The pH module 24 and the dissolved oxygen module 25 can adjust the power of the ultrasonic device 2. 5 and the temperature module 26 can provide real-time information about the organic matter in the ultrasonic reaction tank 21 to the control device 5. The control device 5 then feeds back instructions to the ultrasonic generator 23 based on the information about the organic matter to adjust the power of the ultrasonic device 2, thereby automatically adjusting the acoustic energy density in the ultrasonic reaction tank 21. The acoustic energy density in the ultrasonic reaction tank 21 ranges from 0 to 500 W / L. Through the settings of the pH module 24, the dissolved oxygen module 25 and the control device 5, the real-time regulation of the acoustic energy density in the ultrasonic reaction tank 21 can be achieved, which helps the organic matter obtain the best ultrasonic reaction conditions, further improves the treatment efficiency of the organic matter, can better ensure the expected treatment effect while also reducing energy consumption costs, and the sampling port is convenient for extraction at any time For organic samples, a heating tube 27 is installed in the ultrasonic reaction cylinder 21, and the heating tube 27 is controlled by the temperature module 26. Through the information interaction between the temperature module 26 and the control device 5, the temperature in the ultrasonic reaction cylinder 21 can be automatically adjusted, and a variety of organic matter can be automatically processed. It can be widely used in the pretreatment process of organic matter, has good versatility, expands the processing range of organic matter, improves applicability, and is more practical. The temperature adjustment range in the ultrasonic reaction cylinder 21 is between -18-100°C. The specific shape of the ultrasonic reaction cylinder 21 depends on the type and solid content of the organic matter. According to the type and solid content range of the organic matter, the shape of the ultrasonic reaction cylinder 21 can be designed as a trough type or a tube type, etc., to achieve the matching of the ultrasonic reaction cylinder 21.

[0043] It should be further explained that the feeding device 1 includes a feeding trough 11, in which organic matter is provided, and the total solid content of the organic matter in the feeding trough 11 is between 0% and 40%, and the feeding trough 11 is equipped with an online concentration meter 15, and a cap rack is installed on the feeding trough 11, and the online concentration meter 15 is installed on the cap rack, and the online concentration meter 15 passes through the cap rack and extends into the feeding trough 11, providing real-time concentration information of the organic matter to the control device 5, and the control device 5 can adjust the flow rate of the feeding pump 12 according to the concentration of the organic matter, thereby adjusting the hydraulic retention time. Through the cooperation of the online concentration meter 15 and the control device 5, it will be adjusted according to the concentration of the organic matter, and automatic pretreatment of organic matter of different concentrations can be realized, which effectively improves the adaptability and stability of the system. The feeding trough 11 is connected to the feeding pump 12, and the feeding pump 12 is connected to the feeding flow meter 13 The feed flowmeter 13 is connected to the ultrasonic reaction cylinder 21, and a feed solenoid valve 14 is installed between the ultrasonic reaction cylinder 21 and the feed flowmeter 13. The organic slurry in the feed trough 11 is transported to the ultrasonic device 2 through the feed pump 12. The feed pump 12 and the feed solenoid valve 14 are connected to the control device 5. The control device 5 can send instructions to adjust the flow rate of the feed pump 12 and the switch of the feed solenoid valve 14. The feed flowmeter 13 is connected to the control device 5 to provide the control device 5 with feed flow information in real time. The discharge device 3 includes a discharge trough 33, which is connected to the ultrasonic reaction cylinder 21, and a valve 31 is installed between the ultrasonic reaction cylinder 21 and the discharge trough 33. A discharge flowmeter 32 is installed between the valve 31 and the discharge trough 33. The discharge flowmeter 32 is connected to the control device 5 to provide the control device 5 with discharge flow information in real time.

[0044] It should be further explained that the reflux device 4 includes a circulation pump 41, a circulation flow meter 42 and a circulation solenoid valve 43. The ultrasonic reaction cylinder 21 is connected to a reflux pipe. The circulation pump 41, the circulation flow meter 42 and the circulation solenoid valve 43 are all installed on the reflux pipe, and the circulation pump 41, the circulation flow meter 42 and the circulation solenoid valve 43 are distributed in sequence from left to right. The circulation pump 41 and the circulation solenoid valve 43 are both connected to the control device 5. Under the condition of receiving the instruction issued by the control device 5, the circulation pump 41 and the circulation solenoid valve 43 can change the flow rate of the circulation pump 41 and adjust the switch of the circulation solenoid valve 43, thereby controlling the reflux ratio of the reflux device 4 and achieving the set system hydraulic retention time. The circulation flow meter 42 is connected to the control device 5 to provide flow information to the control device 5 in real time.

[0045] In summary, the workflow of the system and method for continuous automatic ultrasonic pretreatment of organic matter is as follows:

[0046] S1, power on, reset each module;

[0047] S2. Input system working parameters and issue working instructions;

[0048] S3, receiving the concentration information transmitted by the online concentration meter 15 in the feed trough 11;

[0049] S4. Adjust the hydraulic retention time to the set value according to the feedback information of the online concentration meter 15;

[0050] S41, adjusting the flow rates of the feed pump 12 and the circulation pump 41 according to the feedback information of the online concentration meter 15;

[0051] S42, according to the information of the feed flow meter 13 and the circulation flow meter 42, control the switch of the feed solenoid valve 14 and the circulation solenoid valve 43;

[0052] S43, determining whether the hydraulic retention time reaches the set value, and stopping adjustment after reaching the set value;

[0053] S5, receiving information from the pH module 24 and the dissolved oxygen module 25 in the ultrasonic reaction tank 21;

[0054] S6. Adjust the acoustic energy density of the ultrasonic reaction tank 21 to a set value according to the pH value and the dissolved oxygen value;

[0055] S61, according to the pH value and the dissolved oxygen value, feedback the optimal ultrasonic sound energy density setting value, and adjust the output power of the ultrasonic generator 23;

[0056] S62, determining whether the sound energy density reaches a set value, and stopping adjustment after reaching the set value;

[0057] S7, receiving information from the temperature module 26 in the ultrasonic reaction tank 21;

[0058] S8, adjusting the temperature of the ultrasonic reaction tank 21 to a set value according to the information of the temperature module 26;

[0059] S81, controlling the temperature module 26 to adjust the temperature in the cylinder according to the temperature setting value;

[0060] S82, determining whether the temperature has reached the set value, and stopping adjustment after reaching the set value;

[0061] S9, end.

[0062] Taking the treatment of organic matter in kitchen waste as an example, the specific work flow is as follows:

[0063] S1. Adding organic matter from kitchen waste with a concentration of less than 10% into the feed trough 11 of the feed device 1. The online concentration meter 15 in the feed trough 11 reads the solid content of the organic matter from the kitchen waste in real time and feeds this information back to the control device 5. After reading the concentration information, the control device 5 starts the feed pump 12 and the feed solenoid valve 14 to continuously feed the material into the ultrasonic device 2. During the feeding process, the feed flow meter 13 transmits the feed flow information of the organic matter from the kitchen waste to the control device 5 in real time.

[0064] S2, the control device 5 controls the circulation solenoid valve 43 in the reflux device 4 to switch, and synchronously controls the flow rate of the circulation pump 41, and the flow rate information of the circulation flow meter 42 is transmitted to the control device 5 in real time;

[0065] S3, the control device 5 controls the feed pump 12 and the circulation pump 41 according to the information of the online concentration meter 15, the feed flow meter 13 and the circulation flow meter 42, and adjusts the hydraulic retention time to reach the set value;

[0066] S4. After the ultrasonic reaction tank 21 of the ultrasonic device 2 receives the organic matter from the kitchen waste, the ultrasonic generator 23 and the ultrasonic transducer 22 enter the working mode under the feedback instruction of the control device 5 to pre-treat the organic matter from the kitchen waste. The operating frequency of the ultrasonic transducer 22 is 28 kHz. At the same time, the pH module 24 and the dissolved oxygen module 25 send data information to the control device 5 in real time. The control device 5 adjusts the output power of the ultrasonic generator 23 according to the pH and dissolved oxygen value information, thereby adjusting the acoustic energy density in the ultrasonic reaction tank 21 to a set value. The temperature module 26 sends the data information to the control device 5 in real time. The control device 5 adjusts the temperature in the ultrasonic reaction tank 21 to the set value by controlling the temperature module 26 in the ultrasonic reaction tank 21.

[0067] S5. The pretreated organic matter from the kitchen waste will enter the discharging device 3. By opening the valve 31, the organic slurry will enter the discharging trough 33. During the discharging process, the discharging flow meter 32 will transmit the discharge flow information of the organic matter from the kitchen waste to the control device 5 in real time to realize the discharge monitoring of the pretreated organic matter from the kitchen waste.

[0068] In general, the system and method for continuous automatic ultrasonic pretreatment of organic matter proposed in the present invention are connected to each device in the feeding device 1, ultrasonic device 2, discharging device 3, reflux device 4 and control device 5 through the control device 5, with high integration, achieving the purpose of automatic and continuous ultrasonic pretreatment of various types of organic matter, and the achievable daily processing capacity is larger than that of traditional equipment, occupies less space, has a high degree of intelligence, and has the advantages of strong adaptability, wide application scenarios, and simplicity and ease of operation.

Claims

1. A continuous automatic ultrasonic pretreatment system for organic matter, comprising an ultrasonic device (2), characterized in that: It also includes a feeding device (1), a discharging device (3), a reflux device (4) and a control device (5), wherein The ultrasonic device (2) comprises an ultrasonic reaction cylinder (21) and an ultrasonic generator (23). A plurality of ultrasonic transducers (22) are distributed on the outer surface of the ultrasonic reaction cylinder (21). The plurality of ultrasonic transducers (22) are all connected to the ultrasonic generator (23). The ultrasonic reaction cylinder (21) is equipped with a pH module (24), a dissolved oxygen module (25), a temperature module (26) and a sampling port. The ultrasonic generator (23), the pH module (24), the dissolved oxygen module (25) and the temperature module (26) are all connected to the control device (5). A heating tube (27) is installed in the ultrasonic reaction cylinder (21). The feeding device (1) comprises a feeding trough (11), wherein the feeding trough (11) is equipped with an online concentration meter (15), the feeding trough (11) is connected to a feeding pump (12), the feeding pump (12) is connected to a feeding flow meter (13), the feeding flow meter (13) is connected to an ultrasonic reaction cylinder (21), and a feeding solenoid valve (14) is installed between the ultrasonic reaction cylinder (21) and the feeding flow meter (13), the feeding pump (12) and the feeding solenoid valve (14) are connected to a control device (5), and the control device (5) can send instructions to adjust the flow rate of the feeding pump (12) and the switch of the feeding solenoid valve (14), and the feeding flow meter (13) is connected to the control device (5), wherein The discharging device (3) includes a discharging trough (33), the discharging trough (33) is communicated with the ultrasonic reaction cylinder (21), and a valve (31) is installed between the ultrasonic reaction cylinder (21) and the discharging trough (33), a discharging flow meter (32) is installed between the valve (31) and the discharging trough (33), and the discharging flow meter (32) is connected to the control device (5), wherein The reflux device (4) comprises a circulation pump (41), a circulation flow meter (42) and a circulation solenoid valve (43); the ultrasonic reaction cylinder (21) is connected to a reflux pipe; the circulation pump (41), the circulation flow meter (42) and the circulation solenoid valve (43) are all installed on the reflux pipe, and the circulation pump (41), the circulation flow meter (42) and the circulation solenoid valve (43) are sequentially distributed from left to right; the circulation pump (41) and the circulation solenoid valve (43) are both connected to the control device (5); and the circulation flow meter (42) is connected to the control device (5).

2. A continuous automatic ultrasonic pretreatment system for organic matter according to claim 1, characterized in that: The control device (5) is installed in the ultrasonic reaction cylinder (21). The temperature module (26) in the ultrasonic reaction cylinder (21) can feed back the temperature in the ultrasonic reaction cylinder (21) to the control device (5) in real time. The control device (5) sends instructions to the temperature module (26) according to the system setting value, thereby realizing automatic adjustment of the temperature in the ultrasonic reaction cylinder (21).

3. The continuous automatic ultrasonic pretreatment system for organic matter according to claim 2, characterized in that: The feed trough (11) is equipped with a cap frame, and the online concentration meter (15) is installed on the cap frame. The online concentration meter (15) passes through the cap frame and extends into the feed trough (11), providing real-time organic matter concentration information to the control device (5). The control device (5) can adjust the flow rate of the feed pump (12) according to the organic matter concentration, thereby adjusting the hydraulic retention time.

4. The continuous automatic ultrasonic pretreatment system for organic matter according to claim 3, characterized in that: The total solid content of organic matter in the feed trough (11) is between 0% and 40%.

5. The system for continuous automatic ultrasonic pretreatment of organic matter according to claim 4, characterized in that: The frequency range of the ultrasonic transducer (22) is between 20kHz and 500kHz, and the acoustic energy density in the ultrasonic reaction tank (21) is between 0 and 500W / L.

6. The continuous automatic ultrasonic pretreatment system for organic matter according to claim 5, characterized in that: The temperature in the ultrasonic reaction tank (21) is adjusted within a range of -18-100°C.

7. The continuous automatic ultrasonic pretreatment system for organic matter according to claim 6, characterized in that: The specific shape of the ultrasonic reaction tank (21) depends on the type and solid content of the organic matter.

8. A method for operating a system for continuous automatic ultrasonic pretreatment of organic matter, characterized in that: A system for continuous automatic ultrasonic pretreatment of organic matter according to any one of claims 1 to 7 is used, comprising the following steps: S1, power on, reset each module; S2. Input system working parameters and issue working instructions; S3, receiving concentration information transmitted by the online concentration meter (15) in the feed trough (11); S4, adjusting the hydraulic retention time to a set value according to the feedback information from the online concentration meter (15); S41, adjusting the flow rates of the feed pump (12) and the circulation pump (41) according to the feedback information from the online concentration meter (15); S42, according to the information of the feed flow meter (13) and the circulation flow meter (42), control the switch of the feed solenoid valve (14) and the circulation solenoid valve (43); S43, determining whether the hydraulic retention time reaches the set value, and stopping adjustment after reaching the set value; S5, receiving information from the pH module (24) and the dissolved oxygen module (25) in the ultrasonic reaction tank (21); S6. Adjust the acoustic energy density of the ultrasonic reaction tank (21) to a set value according to the pH value and the dissolved oxygen value; S61, according to the pH value and the dissolved oxygen value, feedback the optimal ultrasonic sound energy density setting value, and adjust the output power of the ultrasonic generator (23); S62, determining whether the sound energy density reaches a set value, and stopping adjustment after reaching the set value; S7, receiving information from the temperature module (26) in the ultrasonic reaction tank (21); S8, adjusting the temperature of the ultrasonic reaction tank (21) to a set value according to the information of the temperature module (26); S81, controlling the temperature module (26) to adjust the temperature in the cylinder according to the temperature setting value; S82, determining whether the temperature has reached the set value, and stopping adjustment after reaching the set value; S9, end.

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