Urine pretreatment equipment and urinal

Abstract

The invention relates to the technical field of radioactivity detection, and provides urine pretreatment equipment and a urinal, and the urine pretreatment equipment comprises a heating reaction tank, an oxidant storage device, a distillation cooler, a cleaning device and a control device. A reaction cavity and a urine injection port are formed in the heating reaction tank, and the heating reaction tank is used for heating the reaction cavity; the oxidant storage device is communicated with the reaction cavity for adding an oxidant into the reaction cavity; the distillation cooler is communicated with the reaction cavity, and a collecting opening is formed in the distillation cooler; the distillation cooler can cool the gas to form a liquid to be measured; the cleaning device is used for cleaning the reaction cavity; the control device is in communication connection with the heating reaction tank, the oxidizing agent storage device and the cleaning device, and the control device can control the heating temperature of the heating reaction tank, the adding amount and the oxidation time of the oxidizing agent and the cleaning device to clean the reaction cavity based on the reaction process of reactants in the reaction cavity. According to the urine pretreatment equipment and the urinal, the treatment efficiency can be improved.

Description

Technical Field

[0001] This application relates to the field of radioactive detection technology, and in particular to a urine pretreatment device and a urinal. Background Technology

[0002] The urine oxidation-distillation pretreatment device, a key component in the preliminary steps of urine testing, has demonstrated significant application value across multiple fields. This device effectively removes complex matrix interferences from urine samples through oxidation and distillation, while retaining or transforming the target analytes, significantly improving the accuracy and sensitivity of subsequent analyses. In radiation protection research, this device helps to elucidate and track the exposure levels and metabolic transformation patterns of radionuclides within organisms. In clinical medicine, it is widely used for the precise detection of drug metabolites and hormone level disease biomarkers.

[0003] In related technologies, using a glass round-bottom flask for urine pretreatment has low processing efficiency. Summary of the Invention

[0004] This application provides a urine pretreatment device and a urinal, which can improve treatment efficiency.

[0005] The technical solution of this application embodiment is implemented as follows: One embodiment of this application provides a urine pretreatment device, including: A heating reaction vessel is provided, which has a reaction chamber and a urine inlet communicating with the reaction chamber. The heating reaction vessel is used to heat the reaction chamber. An oxidant reservoir, connected to the reaction chamber, is used to add oxidant to the reaction chamber; A distillation cooler is connected to the reaction chamber and has a collection port. The distillation cooler can cool the gas generated by heating the heating reaction vessel to form the liquid to be measured, and the liquid to be measured can flow out from the collection port. A cleaning device is used to clean the reaction chamber; The control device is communicatively connected to the heating reaction vessel, the oxidant storage vessel, and the cleaning device, respectively. The control device can control the heating temperature of the heating reaction vessel, the amount of oxidant added and the oxidation time, and the cleaning device cleaning the reaction chamber based on the reaction progress of the reactants in the reaction chamber.

[0006] In one embodiment, the cleaning device includes a cleaning pipe and an ultrasonic transducer. The ultrasonic transducer is disposed in the heated reaction vessel and is communicatively connected to the control device. The heated reaction vessel has a cleaning port communicating with the reaction chamber. The cleaning pipe is connected to the cleaning port, and cleaning fluid can be injected into the reaction chamber through the cleaning pipe.

[0007] In one embodiment, the cleaning device further includes a nozzle disposed in the reaction chamber and communicating with the cleaning pipe; and / or, the cleaning device includes a cleaning agent reservoir communicating with the reaction chamber for adding an enzyme-containing cleaning agent to the reaction chamber.

[0008] In one embodiment, the distillation cooler has a cooling water inlet, which is connected to the cleaning pipe via a cooling pipe.

[0009] In one embodiment, the urine pretreatment device includes a switch valve assembly and a sample injection pipeline. The sample injection pipeline is connected to the urine injection port for adding urine into the reaction chamber. The heating reaction tank also has a drain port connected to the reaction chamber. The switch valve assembly is communicatively connected to the control device. The switch valve assembly includes multiple valves. The sample injection pipeline, the pipeline between the oxidant storage tank and the heating reaction tank, the pipeline between the distillation cooler and the heating reaction tank, the cooling pipeline, the cleaning port, the collection port, and the drain port are all equipped with the valves. The control device is used to control the opening and closing of each of the valves.

[0010] In one embodiment, the urine pretreatment device includes a liquid level sensor disposed in the reaction chamber, the liquid level sensor being communicatively connected to the control device, and the control device controlling the opening and closing of the valve in the sample injection pipeline based on the liquid level detected by the liquid level sensor.

[0011] In one embodiment, the urine pretreatment device includes a detection element that is communicatively connected to the control device. The detection element is used to detect the concentration of reactants in the reaction chamber, and the control device is able to obtain the reaction progress of the reactants based on the concentration of the reactants.

[0012] In one embodiment, the detection device includes a supplemental lighting system and an ultraviolet-visible spectral probe or color sensor.

[0013] In one embodiment, the reaction chamber is provided with zeolite; and / or, The urine pretreatment device also includes a temperature sensor disposed in the reaction chamber. The temperature sensor is communicatively connected to the control device, which can control the heating temperature of the heating reaction vessel based on the temperature detected by the temperature sensor.

[0014] Another aspect of this application provides a urinal, including the urine pretreatment device in any of the above embodiments.

[0015] The urine pretreatment equipment and urinal provided in this application integrate urine oxidation and distillation functions with cleaning functions in a single reaction chamber by setting up a heating reaction tank, an oxidant storage tank, a distillation cooler, and a cleaning device. This not only improves the urine treatment efficiency but also reduces the space occupied by the urine pretreatment equipment, making it suitable for confined environments. Furthermore, by setting up a control device, the heating temperature of the heating reaction tank, the amount of oxidant added, and the oxidation time can be controlled based on the reaction progress of the reactants in the reaction chamber. At the end or during the reaction process, the cleaning device can be controlled to clean residual urine scale, crystals, and reaction byproducts from the walls of the reaction chamber. This further improves the urine treatment efficiency. On the other hand, the automatic cleaning of the reaction chamber by the control device effectively maintains the long-term stable heat transfer efficiency and distillation purity of the reaction chamber, reduces cross-contamination caused by dirt accumulation, and reduces the intensity of manual maintenance. This allows the urine pretreatment equipment to operate efficiently, automatically, with low energy consumption, and for a long lifespan throughout its entire life cycle, making it suitable for applications with stringent hygiene standards and continuous operation requirements. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a urinal provided in an embodiment of this application; Figure 2 This is a schematic diagram of the structure of a urine pretreatment device provided in another embodiment of this application.

[0017] Explanation of reference numerals in the attached figures 100. Urinal; 1. Urine pretreatment equipment; 11. Heating reaction vessel; 11a. Drain outlet; 12. Oxidant storage container; 13. Distillation cooler; 13a. Collection port; 13b. Cooling pipe; 13c. Exhaust pipe; 13d. Cooling water outlet; 14. Cleaning device; 141. Cleaning pipe; 142. Ultrasonic transducer; 15. Control device; 16. Sample injection pipe; 17. Addition pipe; 2. Outer shell; 2a. Urinal trough; 3. Urine collector; 4. Information collector. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this application clearer, the application will be further described in detail below with reference to the accompanying drawings. The described embodiments should not be regarded as limitations on this application. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0019] In the following description, references are made to “some embodiments,” which describe a subset of all possible embodiments. However, it is understood that “some embodiments” may be the same subset or different subsets of all possible embodiments and may be combined with each other without conflict.

[0020] In related technologies, glass round-bottom flasks are used for urine pretreatment, which is not only complex to operate, but the samples are also prone to causing discomfort to operators, making it difficult to guarantee operational efficiency. In addition, manual operation is also subject to the risks of fatigue and oversight, posing safety hazards.

[0021] In view of this, one embodiment of this application provides a urine pretreatment device 1, please refer to... Figure 1 and Figure 2 The urine pretreatment device 1 includes a heating reaction vessel 11, an oxidant storage tank 12, a distillation cooler 13, a cleaning device 14, and a control device 15. The heating reaction vessel 11 has a reaction chamber and a urine inlet communicating with the reaction chamber; the heating reaction vessel 11 is used to heat the reaction chamber. The oxidant storage tank 12 is communicating with the reaction chamber and is used to add oxidant to the reaction chamber. The distillation cooler 13 is communicating with the reaction chamber and has a collection port 13a. The distillation cooler 13 can cool the gas generated by heating the heating reaction vessel 11 to form the liquid to be measured, which can flow out from the collection port 13a. The cleaning device 14 is used to clean the reaction chamber. The control device 15 is communicatively connected to the heating reaction vessel 11, the oxidant storage tank 12, and the cleaning device 14, respectively. The control device 15 can control the heating temperature of the heating reaction vessel 11, the amount of oxidant added, the oxidation time, and the cleaning of the reaction chamber by the cleaning device 14 based on the reaction progress of the reactants in the reaction chamber.

[0022] The heating reaction vessel 11 refers to a structure used for heating urine samples with an oxidant and providing a site for the reaction between the urine sample and the oxidant.

[0023] The heating reaction vessel 11 heating reaction chamber refers to a vessel with a heating function, such as an electric heating function, which can electrically heat the mixture of urine and oxidant through a resistance wire.

[0024] Oxidation time refers to the reaction time of urine and oxidant at a preset temperature, that is, the heating time of urine and oxidant at the preset temperature. In this way, the reaction time of urine and oxidant can be controlled by adjusting the temperature. For example, at the oxidation temperature, the reaction time of urine and oxidant is set. After the reaction time is reached, the temperature can be adjusted to the distillation temperature to distill the products generated by the reaction.

[0025] The shape of the heating reaction vessel 11 is not limited; for example, it can be cylindrical.

[0026] Oxidant reservoir 12 refers to a structure used for storing oxidant. Its shape is not limited; for example, it can be cylindrical.

[0027] It should be noted that the oxidant can convert tritium in the bound state in urine into distillable tritized water, and can also eliminate organic matrix in urine to eliminate distillation interference, thereby improving the quantitative accuracy and recovery rate of tritium detection.

[0028] The distillation cooler 13 is used to cool the gas (such as tritium water) generated by the oxidant and urine in the reaction chamber at the distillation temperature to form the liquid to be measured. The liquid to be measured can flow out through the collection port 13a and then be measured for tritium by subsequent detection equipment. The shape of the distillation cooler 13 is not limited; for example, it can be cylindrical.

[0029] The cleaning device 14 refers to the device used to clean the reaction chamber.

[0030] The control device 15 refers to the device that can control the heating reaction vessel 11, the oxidant storage tank 12 and the cleaning device 14.

[0031] The reaction process of the reactants in the reaction chamber can be obtained visually or through other detection devices.

[0032] Communication connections can include wired connections, Wi-Fi, or Bluetooth, etc.

[0033] It should be noted that urine may contain metabolic waste and crystalline salts. If not cleaned thoroughly, these contaminants will continuously precipitate onto the walls of the reaction chamber, causing equipment contamination and affecting the oxidation reaction of subsequent samples, resulting in inaccurate measurement results.

[0034] The urine pretreatment device 1 provided in this application integrates urine oxidation and distillation functions with cleaning functions in a single reaction chamber by setting up a heating reaction tank 11, an oxidant storage tank 12, a distillation cooler 13, and a cleaning device 14. This not only improves the processing efficiency of urine but also reduces the space occupied by the urine pretreatment device 1 to a certain extent, making it suitable for confined environments. Furthermore, by setting up a control device 15, the heating temperature of the heating reaction tank 11, the amount of oxidant added, the oxidation time, and the reaction process can be controlled based on the reaction progress of the reactants in the reaction chamber. During the process, the cleaning device 14 cleans the residual urine residue, crystals, and reaction byproducts on the walls of the reaction chamber. This not only further improves the efficiency of urine treatment, but also allows the cleaning device 14 to automatically clean the reaction chamber, effectively maintaining the long-term stable heat transfer efficiency and distillation purity of the reaction chamber, reducing cross-contamination caused by dirt accumulation, and reducing the intensity of manual maintenance. This enables the urine pretreatment equipment 1 to operate efficiently, automatically, with low energy consumption and long lifespan throughout its entire life cycle, making it suitable for application scenarios with stringent hygiene standards and continuous operation requirements.

[0035] In one embodiment, please refer to Figure 2 The cleaning device 14 includes a cleaning pipe 141 and an ultrasonic transducer 142. The ultrasonic transducer 142 is installed in the heating reaction tank 11 and is connected to the control device 15. The heating reaction tank 11 has a cleaning port that communicates with the reaction chamber. The cleaning pipe 141 is connected to the cleaning port, and the cleaning liquid can be injected into the reaction chamber through the cleaning pipe 141.

[0036] It should be noted that the ultrasonic transducer 142 can generate high-frequency vibrations to form countless tiny cavitation bubbles in the cleaning fluid. When the bubbles burst, they generate strong local shock waves and microjets to flush the reaction chamber.

[0037] For example, the ultrasonic transducer 142 may be disposed on the outside of the heated reaction vessel 11.

[0038] For example, the cleaning fluid can be water.

[0039] Here, when the reaction chamber needs to be cleaned, the cleaning fluid can be injected into the reaction chamber through the cleaning pipe 141, and then the ultrasonic transducer 142 can be activated by the control device 15 to clean the reaction chamber using the local shock wave and micro-jet generated by the bursting of bubbles, which can improve the cleaning effect.

[0040] As an example, in one embodiment, please refer to Figure 2 The control device 15 can be integrated with the ultrasonic transducer 142, which can not only further reduce the space occupied by the urine pretreatment device 1, but also reduce the time delay.

[0041] For example, in one embodiment, a water pump can be installed at one end of the cleaning pipe 141. Driven by the water pump, the injection efficiency of the cleaning fluid can be adjusted. The water pump can also be communicatively connected to the control device 15 to control the pumping volume of the cleaning fluid, resulting in a high degree of automation.

[0042] In one embodiment, the cleaning device 14 further includes a nozzle disposed in the reaction chamber and connected to the cleaning pipe 141.

[0043] Here, by setting a nozzle at one end of the cleaning pipe 141 in the reaction chamber, the spray pressure of the cleaning fluid can be increased by utilizing the constriction structure of the nozzle, thereby further improving the cleaning effect on the reaction chamber.

[0044] For example, in one embodiment, the nozzle can adopt a conical constriction inlet and an omnidirectional fan-shaped design, i.e., lotus-shaped. In addition to having spray holes on the side facing away from the cleaning pipe 141, it also has spray holes on the circumferential arc-shaped surface close to the cleaning pipe 141. The nozzle can be fixedly installed on the cleaning pipe 141, which can further increase the spray pressure of the cleaning fluid.

[0045] In one embodiment, the cleaning device 14 includes a cleaning agent reservoir connected to the reaction chamber for adding an enzyme-containing cleaning agent to the reaction chamber.

[0046] For example, please refer to Figure 2 The pipe between the cleaning agent reservoir and the reaction chamber is the addition pipe 17. Here, by using enzyme-containing cleaners, the enzymes can break down proteins and uric acid in urine to eliminate odors and solve the problem of easy scaling. This not only further improves the cleaning effect but also reduces the use of chemical cleaning agents.

[0047] In one embodiment, please refer to Figure 2 The distillation cooler 13 has a cooling water inlet, which is connected to the cleaning pipe 141 through the cooling pipe 13b.

[0048] For example, the distillation cooler 13 has a double-layer structure, with the outer layer communicating with the cooling water inlet for supplying cooling water flow, and the inner layer communicating with the reaction chamber for cooling the gas into the liquid to be measured.

[0049] Here, when it is necessary to cool the gas generated in the reaction chamber into the liquid to be measured by the distillation cooler 13, the cleaning liquid can be transported to the cooling pipe 13b through the cleaning pipe 141 and then delivered to the cooling water inlet to cool the gas. In this way, by using the cleaning pipe 141 and the cleaning liquid of the cleaning device 14 to cool the gas, the utilization rate of the cleaning pipe 141 and the cleaning liquid can be improved, and the space occupied by the urine pretreatment equipment 1 can be reduced.

[0050] In one embodiment, please refer to Figure 2 The urine pretreatment device 1 includes a switch valve assembly and a sample injection pipe 16. The sample injection pipe 16 is connected to the urine injection port and is used to add urine into the reaction chamber. The heating reaction tank 11 also has a drain port 11a connected to the reaction chamber. The switch valve assembly is communicatively connected to the control device 15. The switch valve assembly includes multiple valves. Valves are provided in the sample injection pipe 16, the pipe between the oxidant storage tank 12 and the heating reaction tank 11, the pipe between the distillation cooler 13 and the heating reaction tank 11, the cooling pipe 13b, the cleaning port, the collection port 13a, and the drain port 11a. The control device 15 is used to control the opening and closing of each valve.

[0051] For example, the valve can be a solenoid valve, which can be controlled to open and close by sending an electrical signal. The pipe between the distillation cooler 13 and the heating reaction vessel 11 can be an exhaust pipe 13c, which connects the reaction chamber to the inner space of the distillation cooler 13.

[0052] Here, valves are installed in the sample injection pipe 16, the pipe between the oxidant storage tank 12 and the heating reaction vessel 11, the pipe between the distillation cooler 13 and the heating reaction vessel 11, the cooling pipe 13b, the cleaning port, the collection port 13a, and the drain port 11a. The opening and closing of each valve is precisely controlled by the control device 15, which can guide the urine and cleaning solution to circulate in the corresponding pipes, and control the amount of oxidant added and the amount of waste liquid discharged. This allows the urine pretreatment equipment 1 to maintain the accuracy of sampling under complex environmental conditions such as multiple samples, with a high degree of automation and fast urine sample processing efficiency.

[0053] For example, in one embodiment, a valve may also be provided on the addition pipe 17, so that the control device 15 can control the amount of enzyme-containing cleaning agent added by controlling the opening and closing of its valve.

[0054] As an example, in one embodiment, please refer to Figure 2 The drain outlet 11a is located at the bottom of the heating reaction tank 11. In this way, the cleaning waste liquid can be discharged from the drain outlet 11a by its own gravity, reducing the need for related pipelines and pumping equipment, which is economical.

[0055] As an example, in one embodiment, please refer toFigure 2 The distillation cooler 13 has a cooling water outlet 13d that communicates with its outer space. The cooling water outlet 13d is higher than the cooling water inlet along the height direction of the urine pretreatment device 1. In this way, the cooling water can enter from the lower cooling water inlet and then be discharged from the higher cooling water outlet 13d to fully exchange heat with the gas and improve the distillation effect.

[0056] In one embodiment, the urine pretreatment device 1 includes a liquid level sensor disposed in the reaction chamber. The liquid level sensor is communicatively connected to a control device 15. The control device 15 controls the opening and closing of the valve of the sample injection pipeline 16 based on the liquid level detected by the liquid level sensor.

[0057] Here, by setting a liquid level sensor in the reaction chamber, when it is necessary to pre-process the urine sample, the valve of the sample injection pipe 16 can be opened by the control device 15, and the urine can be injected into the reaction chamber through the sample injection pipe 16. When the liquid level sensor detects that the current liquid level of the urine has reached the preset liquid level, it will send a position signal to the control device 15. After receiving the position signal, the control device 15 will control the valve of the sample injection pipe 16 to close, realizing real-time liquid level feedback and a high degree of automation.

[0058] In one embodiment, the urine pretreatment device 1 includes a detection element that is communicatively connected to a control device 15. The detection element is used to detect the concentration of reactants in the reaction chamber, and the control device 15 can obtain the reaction progress of the reactants based on the concentration of the reactants.

[0059] A detection device is a device that can directly or indirectly detect the concentration of reactants in a reaction chamber.

[0060] Here, the concentration of each reactant obtained by the detection device can be sent to the control device 15. The control device 15 can obtain the reaction progress based on the concentration information of the reactants. Finally, based on the reaction progress of the reactants, it controls the heating temperature of the heating reaction vessel 11, the amount of oxidant added and the oxidation time, and the cleaning device 14 to clean the reaction chamber, so as to realize real-time monitoring of the reaction process and automatic cleaning of the reaction chamber, with a high degree of automation.

[0061] In one exemplary embodiment, the detection element may be a concentration sensor to measure the concentration of the reactant.

[0062] In one embodiment, the detection element includes a supplemental lighting system and an ultraviolet-visible spectral probe or color sensor.

[0063] For example, the detection device may include a supplemental lighting system and an ultraviolet-visible spectral probe, or it may include a supplemental lighting system and a color sensor.

[0064] Here, by utilizing a supplemental lighting system and an ultraviolet-visible spectral probe or color sensor, changes in absorbance or color of the reactants at specific wavelengths can be detected, enabling non-contact, real-time acquisition of the reactant concentration in the reaction chamber. This reduces contamination of urine samples, improves the purity of the liquid to be measured, and enhances the reliability of subsequent measurement results.

[0065] In one embodiment, the reaction chamber is provided with zeolite.

[0066] This reduces the risk of bumping of reactants at distillation temperatures, thereby reducing detection errors, sample damage, and safety risks caused by bumping.

[0067] For example, in one embodiment, the heating reaction vessel 11 includes a vessel body and a cover. The vessel body forms a reaction chamber and an installation port. The cover is detachably installed at the installation port. Zeolite can be added to the reaction chamber through the installation port by opening the cover. When it needs to be replaced, the zeolite can be removed by opening the cover and using tweezers.

[0068] In one embodiment, the urine pretreatment device 1 further includes a temperature sensor disposed in the reaction chamber. The temperature sensor is communicatively connected to the control device 15, and the control device 15 can control the heating temperature of the heating reaction vessel 11 based on the temperature detected by the temperature sensor.

[0069] Here, by setting a temperature sensor, the temperature of the reaction chamber can be monitored in real time. When it is necessary to distill the reaction products, the heating function of the reaction heating tank can be turned on by the control device 15. When the temperature sensor detects that the real-time temperature of the reaction chamber is lower or higher than the preset temperature, it can send a temperature adjustment signal to the control device 15. The control device 15 can adjust the heating temperature of the reaction heating tank based on the feedback of the temperature adjustment signal to keep the real-time temperature at the preset temperature. In this way, the distillation effect of the liquid to be measured can be improved.

[0070] Another embodiment of this application provides a urinal 100, please refer to... Figure 1 This includes the urine pretreatment device 1 in any of the above embodiments.

[0071] For example, the urinal 100 also includes a housing 2, a urine collector 3, and an information collector 4. The housing 2 forms a urinal trough 2a. The urine collector 3 can be installed in the urinal trough 2a. The urine pretreatment device 1 and the information collector 4 can both be installed in the housing 2 and are electrically connected. The urine collector 3 is connected to the urine injection port of the heating reaction vessel 11 through a sample injection pipe 16, and the urine collected by the urine collector 3 can be injected into the urine injection port through the sample injection pipe 16. The information collector 4 is used to collect personal information of personnel and bind the QR code of the disposable sample collection tube. The collection tube can be placed at the collection port 13a.

[0072] The urinal 100 provided in this application, based on the advantages of the urine pretreatment device 1 in the above embodiments, has the characteristics of fast processing efficiency and high purity of the liquid to be measured.

[0073] For example, in one embodiment, a drive pump is provided inside the urine collector 3, and the injection efficiency of urine can be adjusted by the drive pump.

[0074] In another aspect, this application provides a specific working method based on a urinal: S1. Connect the cooling pipe 13b to the storage container of the cleaning fluid to ensure that the cleaning fluid in the cleaning pipe 141 flows normally. S2. Start the control device 15 to ensure that it communicates normally with each valve, heating reaction vessel 11, water pump and each sensor, and then control all valves of the switch valve group to open and enter the sampling mode. S3. Control the oxidant storage tank 12 to add sufficient oxidant to the reaction chamber through the control device 15, set the amount of oxidant added at one time, control the reaction heating tank to preheat the reaction chamber, and add zeolite to the reaction chamber. S4. The person to be tested enters the site, fills in their personal information through the information collector 4, binds the QR code of the sample collection tube, and places the collection tube at the collection port 13a. S5. Start sampling. The control device 15 starts the sampling mode, controls the valves of the collection port 13a and the cleaning port to close, controls the valve of the sample injection pipe 16 to open, and starts the urine collector 3. The urine can be filtered by the urine collector 3 and then enter the reaction chamber through the sample injection pipe 16. S6. The control device 15 can automatically add oxidant and set oxidation time according to the signal results of the ultraviolet-visible light probe or color sensor. When the liquid level sensor detects that the volume of urine injected into the reaction chamber is 1 / 3, the control device 15 controls the water pump and the valve of the sample injection pipeline 16 to close, and controls the heating reaction vessel 11 to adjust the heating temperature to the required oxidation temperature. S7. The timer in the control device 15 is used to keep track of the time. After the oxidation time is set, the control device 15 controls the heating reaction vessel 11 to adjust the heating temperature to the distillation temperature and opens the valves of the cooling pipe 13b, the exhaust pipe 13c and the collection port 13a. The first sample is discarded and the middle sample discharged from the collection port 13a is collected until the amount of sample produced meets the dosage measurement requirements. S8. The heating function of the control heating reaction vessel 11 is turned off, and the valves of the drain port 11a, the cleaning port and the addition pipe 17 are opened. The cleaning liquid is sprayed from the nozzle to the reaction chamber through the cleaning pipe 141. The cleaning waste liquid is discharged through the drain port 11a. The cleaning ends after the timer counts for 15 seconds, and the urinal 100 returns to the sampling state. S9. The person to be tested takes out their personal sample collection tube and hands it over to the staff for tritium measurement; S10. When all sampling is completed, close the valves of the urine collector 3, control device 15, sample injection pipeline 16, cleaning port valve, and water pump, etc., open the valve of collection port 13a, and disconnect the power supply to the urinal 100. S11. Inspect the urinal 100, perform necessary maintenance, upkeep and cleaning in preparation for the next use.

[0075] The above description is merely an embodiment of this application and is not intended to limit the scope of protection of this application. Any modifications, equivalent substitutions, and improvements made within the spirit and scope of this application are included within the scope of protection of this application.

Claims

1. A urine pretreatment device, characterized in that, include: A heating reaction vessel is provided, which has a reaction chamber and a urine inlet communicating with the reaction chamber. The heating reaction vessel is used to heat the reaction chamber. An oxidant reservoir, connected to the reaction chamber, is used to add oxidant to the reaction chamber; A distillation cooler is connected to the reaction chamber and has a collection port. The distillation cooler can cool the gas generated by heating the heating reaction vessel to form the liquid to be measured, and the liquid to be measured can flow out from the collection port. A cleaning device is used to clean the reaction chamber; The control device is communicatively connected to the heating reaction vessel, the oxidant storage vessel, and the cleaning device, respectively. The control device can control the heating temperature of the heating reaction vessel, the amount of oxidant added and the oxidation time, and the cleaning device cleaning the reaction chamber based on the reaction progress of the reactants in the reaction chamber.

2. The urine pretreatment device according to claim 1, characterized in that, The cleaning device includes a cleaning pipe and an ultrasonic transducer. The ultrasonic transducer is installed in the heated reaction vessel and is communicatively connected to the control device. The heated reaction vessel has a cleaning port that communicates with the reaction chamber. The cleaning pipe is connected to the cleaning port, and the cleaning fluid can be injected into the reaction chamber through the cleaning pipe.

3. The urine pretreatment device according to claim 2, characterized in that, The cleaning device further includes a nozzle disposed in the reaction chamber and connected to the cleaning pipe; and / or, the cleaning device includes a cleaning agent reservoir connected to the reaction chamber for adding an enzyme-containing cleaning agent to the reaction chamber.

4. The urine pretreatment device according to claim 2, characterized in that, The distillation cooler has a cooling water inlet, which is connected to the cleaning pipe via a cooling pipe.

5. The urine pretreatment device according to claim 4, characterized in that, The urine pretreatment device includes a valve assembly and a sample injection pipeline. The sample injection pipeline is connected to the urine injection port and is used to add urine into the reaction chamber. The heating reaction tank also has a drain port connected to the reaction chamber. The valve assembly is communicatively connected to the control device. The valve assembly includes multiple valves. The sample injection pipeline, the pipeline between the oxidant storage tank and the heating reaction tank, the pipeline between the distillation cooler and the heating reaction tank, the cooling pipeline, the cleaning port, the collection port, and the drain port are all equipped with the valves. The control device is used to control the opening and closing of each valve.

6. The urine pretreatment device according to claim 5, characterized in that, The urine pretreatment device includes a liquid level sensor disposed in the reaction chamber. The liquid level sensor is communicatively connected to the control device. The control device controls the opening and closing of the valve in the sample injection pipeline based on the liquid level detected by the liquid level sensor.

7. The urine pretreatment device according to claim 1, characterized in that, The urine pretreatment device includes a detection element that is communicatively connected to the control device. The detection element is used to detect the concentration of reactants in the reaction chamber, and the control device can obtain the reaction progress of the reactants based on the concentration of the reactants.

8. The urine pretreatment device according to claim 7, characterized in that, The detection components include a supplemental lighting system and an ultraviolet-visible spectral probe or color sensor.

9. The urine pretreatment device according to claim 1, characterized in that, The reaction chamber is equipped with zeolite; and / or, The urine pretreatment device also includes a temperature sensor disposed in the reaction chamber. The temperature sensor is communicatively connected to the control device, which can control the heating temperature of the heating reaction vessel based on the temperature detected by the temperature sensor.

10. A urinal, characterized in that, Includes the urine pretreatment device according to any one of claims 1 to 9.

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