Multifunctional radon purification system

Abstract

The utility model provides a multifunctional radon purification system. The multifunctional radon purification system comprises a shell, a radon daughter and particulate matter purification module, a radon purification module I, an air disinfection module, a variable-frequency direct-current fan, a radon purification module II, a dehumidification and rewarming module, an outer circulation module, a real-time monitoring module, an automatic control module and a drying oven, the interior of the shell is divided into an upper part, a middle part and a lower part, the real-time monitoring module is arranged at the top of the shell, the upper part is divided into an outer circulation module and an inner circulation outlet system, and the inner circulation outlet system is sequentially provided with a variable-frequency direct-current fan, a radon purification module II and an inner circulation air outlet from bottom to top; the radon daughter and particulate matter purification module, the radon purification module I and the air disinfection module are sequentially arranged in the middle, a water storage tank and an automatic control module are arranged at the lower part, and a water outlet of a water collecting tank of the dehumidification and rewarming module is communicated with the water storage tank. The system can realize the functions of purification, sterilization and the like of radon, radon daughters, particulate matters and other harmful gases, and provides a good indoor environment.

Description

Technical Field

[0001] This utility model belongs to the field of air purification technology, specifically relating to a multifunctional radon purification system. Background Technology

[0002] Indoor radon pollution is a hidden health threat, as radon gas is colorless and odorless, making its presence often undetectable. Long-term exposure to high concentrations of radon not only increases the risk of lung cancer but may also trigger other respiratory diseases. Children, the elderly, and those with pre-existing respiratory conditions are particularly vulnerable. Given that radon primarily originates from the decay of uranium in underground soil and rocks, any building in contact with it, especially underground spaces, is potentially contaminated with radon. Therefore, implementing effective radon decontamination measures is crucial for creating a safe and healthy living and working environment.

[0003] In the field of air purification, especially for indoor radon purification devices, there has been some development. Existing radon purification technologies mainly rely on activated carbon adsorption, high-efficiency air filters, and ionization to reduce indoor radon concentration. However, these methods have some significant limitations. For example, while activated carbon adsorption is effective at adsorbing radon, its adsorption efficiency is easily affected by ambient humidity, requiring frequent replacement of activated carbon materials to maintain effectiveness. High-efficiency air filters are very effective for particulate matter, effectively purifying radon progeny in particulate form, but are almost ineffective for gaseous radon. In addition, ionization technology may produce byproducts such as ozone, posing a potential threat to human health. Furthermore, underground chambers, being buried deep underground, have high humidity environments, and the air may simultaneously contain harmful factors such as sulfur dioxide, nitrogen oxides, and harmful microorganisms. Therefore, there is a lack on the market for a purification device specifically designed for underground chambers that can efficiently remove radon and its progeny while avoiding secondary pollution. Utility Model Content

[0004] The purpose of this invention is to provide a multifunctional radon purification system to overcome the aforementioned technical problems in the prior art.

[0005] Therefore, the technical solution provided by this utility model is as follows:

[0006] A multifunctional radon purification system includes a shell, a radon progeny and particulate matter purification module, a radon purification module one, an air disinfection module, a variable frequency DC fan, a radon purification module two, a dehumidification and reheating module, an external circulation module, a real-time monitoring module, an automatic control module, and an oven;

[0007] The housing is divided into three parts: upper, middle and lower. The real-time monitoring module includes at least a radon concentration sensor and is located at the top of the housing. The upper part is divided into two parts, with an external circulation module and an internal circulation outlet system arranged respectively. The internal circulation outlet system is provided with a variable frequency DC fan, a second radon purification module and an internal circulation air outlet from bottom to top.

[0008] The device includes a radon proton and particulate matter purification module, a radon purification module one, and an air disinfection module. The air outlet of the air disinfection module is connected to the air inlet of the variable frequency DC fan. The lower part is equipped with a water storage tank and an automatic control module. The water collection tank outlet of the dehumidification and reheating module is connected to the water storage tank. The real-time monitoring module, the external circulation module, the variable frequency DC fan, and the dehumidification and reheating module are all electrically connected to the automatic control module. The drying oven is used for heating and regenerating the radon purification modules one and two.

[0009] The dehumidification and reheating module includes a compressor, an evaporator, a first condenser, and a second condenser. The compressor is located at the bottom, the evaporator and the first condenser are located in the middle, the first condenser is located behind the evaporator, the drain pipe of the water collection tank below the evaporator is connected to the water storage tank, the drain pipe is equipped with a check valve, and the compressor is electrically connected to the automatic control module.

[0010] The radon progeny and particulate matter purification module includes an air inlet grille, a pre-filter, and a high-efficiency filter arranged sequentially along the airflow direction, with the air inlet grille located on the housing.

[0011] The external circulation module includes an external circulation exhaust duct, an external circulation duct fan, and an external circulation inlet duct. The top of the housing is provided with an air inlet and an air outlet. The external circulation inlet duct is inserted into the air inlet, and the external circulation exhaust duct is inserted into the air outlet.

[0012] The second condenser is located between the external circulation exhaust duct and the external circulation intake duct. The external circulation duct fan is located at the external circulation exhaust duct and is electrically connected to the automatic control module.

[0013] Both the radon purification module one and the radon purification module two include two or more activated carbon adsorption plates. Each activated carbon adsorption plate includes a plate frame and granular activated carbon filled in the plate frame. The plate frame and the shell are detachably connected.

[0014] The real-time monitoring module also includes a multi-functional sensor, which integrates the detection of carbon dioxide, formaldehyde, total volatile organic compounds, PM2.5, PM10, temperature, and humidity. The multi-functional sensor is electrically connected to the automatic control module.

[0015] The air disinfection module is an ultraviolet germicidal lamp.

[0016] The water storage tank is equipped with a float valve, which is electrically connected to the automatic control module.

[0017] The plate frame is made of high-temperature resistant metal, and the air passage surface of the plate frame is made of stainless steel diamond mesh with a grid spacing of 4-5mm.

[0018] The frame is welded from stainless steel plates, and the frame is provided with reinforcing ribs.

[0019] The beneficial effects of this utility model are:

[0020] This utility model provides a multifunctional radon purification system that first filters the air by setting up a radon proton and particulate matter purification module to remove radon protons and particulate matter from the air. Then, a dehumidification and reheating module, along with radon purification modules one and two, work together to adsorb and remove radon and other harmful gases. Finally, an air disinfection module sterilizes and disinfects the air, thereby achieving multiple functions such as purification and sterilization of radon, radon protons, particulate matter, and other harmful gases in the air, providing a good indoor environment.

[0021] The activated carbon adsorption plate of this invention has a detachable connection between the plate frame and the shell, and the high-efficiency filter is fixed in the slot, which can be replaced as needed.

[0022] This invention achieves efficient dehumidification through the coordinated use of a compressor, condenser one, and condenser two. The evaporator cools the air after passing through the filter module, causing water vapor in the air to condense on the evaporator fins. Condenser one rewarms the low-temperature supersaturated air after passing through the evaporator, converting small water droplets that haven't condensed on the evaporator fins into vapor, thus preventing the radon purification module one located behind the condenser from wetting it and reducing its radon adsorption efficiency. Condenser two is responsible for exchanging heat between the high-temperature, high-pressure refrigerant and the outside air through the fins, releasing heat to condense the refrigerant into a liquid state, ensuring the normal operation of the entire dehumidification and rewarming module. By reducing air humidity through the dehumidification and rewarming module, the competitive adsorption of water molecules and radon in the activated carbon purification module is reduced, improving the adsorption efficiency and capacity of the activated carbon purification module. While treating radon gas, it also improves the dryness of the air inside the chamber, creating a more suitable working environment. Attached Figure Description

[0023] Figure 1 This is a side view of one embodiment of the present invention;

[0024] Figure 2 This is a top view of one embodiment of the present invention;

[0025] Figure 3 This is an internal structural diagram of one embodiment of this utility model.

[0026] In the diagram: 1. External circulation exhaust duct; 2. External circulation duct fan; 3. External circulation air inlet duct; 4. Condenser II; 5. Radon purification module I; 6. Condenser I; 7. Evaporator; 8. High-efficiency filter; 9. Pre-filter; 10. Air inlet grille; 11. Compressor; 12. Internal circulation air outlet; 13. Radon purification module II; 14. Variable frequency DC fan; 15. Ultraviolet germicidal lamp; 16. Automatic control module; 17. Water storage tank; 18. Radon concentration sensor; 19. Multifunctional sensor; 20. Air inlet; 21. Exhaust outlet. Detailed Implementation

[0027] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.

[0028] Exemplary embodiments of the present invention are now described with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided to fully and completely disclose the present invention and to fully convey its scope to those skilled in the art. The terminology used in the exemplary embodiments shown in the drawings is not intended to limit the present invention. In the drawings, the same units / elements are referred to by the same reference numerals.

[0029] Unless otherwise stated, the terms used herein (including technical terms) have their common meaning as understood by one of ordinary skill in the art. Furthermore, it is understood that terms defined in commonly used dictionaries should be understood to have a meaning consistent with the context of their relevant field, and not to be interpreted as having an idealized or overly formal meaning.

[0030] Example 1

[0031] This utility model provides a multifunctional radon purification system, such as... Figure 1 and Figure 3 As shown, it includes a shell, a radon proton and particulate matter purification module, a radon purification module 15, an air disinfection module, a variable frequency DC fan, a radon purification module 2 13, a dehumidification and reheating module, an external circulation module, a real-time monitoring module, an automatic control module 16, and an oven;

[0032] The housing is divided into three parts: upper, middle and lower. The real-time monitoring module includes at least a radon concentration sensor 18 and is located at the top of the housing. The upper part is divided into two parts, with an external circulation module and an internal circulation outlet system arranged respectively. The internal circulation outlet system is provided with a variable frequency DC fan 14, a radon purification module 13 and an internal circulation air outlet 12 from bottom to top.

[0033] The middle section is sequentially equipped with a radon progeny and particulate matter purification module, a radon purification module 5, and an air disinfection module. The air outlet of the air disinfection module is connected to the air inlet of the variable frequency DC fan 14. The lower section is equipped with a water storage tank 17 and an automatic control module 16. The water outlet of the dehumidification and reheating module is connected to the water storage tank 17. The real-time monitoring module, the external circulation module, the variable frequency DC fan, and the dehumidification and reheating module are all electrically connected to the automatic control module. The drying oven is used for heating and regenerating the radon purification module 5 and the radon purification module 13.

[0034] This utility model provides a multifunctional radon purification system that first filters the air by setting up a radon progeny and particulate matter purification module. Then, it uses a dehumidification and reheating module, along with radon purification module 15 and radon purification module 23, to adsorb and remove radon and other harmful gases. Finally, it uses an air disinfection module to sterilize and disinfect the air, thereby achieving multiple functions such as filtration, purification of radon and other harmful gases, and sterilization, providing a good indoor environment.

[0035] Example 2

[0036] Based on Example 1, this example provides a multifunctional radon purification system. The dehumidification and reheating module includes a compressor 11, an evaporator 7, a first condenser 6, and a second condenser 4. The compressor 11 is located at the bottom, the evaporator 7 and the first condenser 6 are located in the middle, and the first condenser 6 is located behind the evaporator 7. The drain pipe of the water collection tank below the evaporator 7 is connected to the water storage tank 17. The drain pipe is equipped with a check valve. The compressor 11 is electrically connected to the automatic control module 16.

[0037] like Figure 3 As shown, the housing contains, in sequence, a radon proton and particulate matter purification module, an evaporator 7, a condenser 6, and a radon purification module 5. Since the low-temperature air passing through the evaporator 7 is still in a supersaturated state with water vapor, some small water droplets remain in the air. To prevent these droplets from entering the radon purification module 5 with the airflow, wetting it, and reducing its adsorption efficiency, a condenser 6 is installed after the evaporator 7. The condenser 6 heats the flowing air (5-10°C), converting the small water droplets into water vapor. This also prevents the temperature from rising too high, which could affect the adsorption efficiency of the radon purification module 5. A check valve is used to prevent short-circuiting of the airflow.

[0038] Example 3

[0039] Based on Example 1, this example provides a multifunctional radon purification system, such as... Figure 3 As shown, the radon proton and particulate matter purification module includes an air inlet grille 10, a pre-filter 9 and a high-efficiency filter 8 arranged sequentially along the airflow direction, with the air inlet grille 10 being formed on the housing.

[0040] The air inlet grille 10 serves as the entrance for air into the purification device. It not only allows indoor air to be drawn in for cleaning through various filtration technologies, but also initially blocks larger particles (such as hair and dust) to protect the internal fine filter. It can effectively guide airflow to ensure that air is evenly distributed and passes through all filter layers to achieve the best purification effect. At the same time, it also emphasizes safety to prevent foreign objects from being inserted, and takes into account aesthetics and ease of cleaning to facilitate user maintenance, thereby ensuring the long-term efficient operation of the equipment.

[0041] The pre-filter 9 is mainly used to capture larger particles in the air, such as dust, hair, and fibers. These particles are usually large in diameter and easy to capture. By filtering out these larger particles, they are prevented from entering the high-efficiency filter 8 of the radon purification device.

[0042] The HEPA filter 8 can capture even finer particles than the pre-filter 9. Radon propellants mainly exist in the air as tiny particles (aerosols), which easily adhere to other airborne particles, such as dust and smoke particles, forming larger composite particles. The HEPA filter 8 purifies radon propellants simultaneously with airborne particulate matter. The radon purifier frame has slots in which the HEPA filter 8 is fixed, allowing for timely replacement as needed.

[0043] The variable frequency DC fan 14 provides power for airflow within the radon purification device. Indoor air is drawn in through the air inlet grille 10, passing through the pre-filter 9, high-efficiency filter 8, evaporator 7, condenser 6, radon purification module 5, and air disinfection module before entering the variable frequency DC fan 14. After being pressurized by the variable frequency DC fan 14, the air is then delivered into the indoor environment through the radon purification module 13 and the internal circulation outlet 12. The operating frequency of the variable frequency DC fan 14 can be automatically set by the PLC control system or manually, according to the operating conditions, thus allowing the purification capacity to be adjusted within a certain range.

[0044] Example 4

[0045] Based on Example 2, this example provides a multifunctional radon purification system, such as... Figure 2 and Figure 3 As shown, the external circulation module includes an external circulation exhaust duct 1, an external circulation duct fan 2, and an external circulation inlet duct 3. An air inlet 20 and an air outlet 21 are provided on the top of the housing. The external circulation inlet duct 3 is inserted into the air inlet 20, and the external circulation exhaust duct 1 is inserted into the air outlet 21.

[0046] The condenser 4 is located between the external circulation exhaust duct 1 and the external circulation intake duct 3. The external circulation duct fan 2 is located at the external circulation exhaust duct 1. The external circulation duct fan is electrically connected to the automatic control module.

[0047] The external circulation exhaust duct 1, external circulation duct fan 2, and external circulation intake duct 3 form the external circulation air path. External airflow is introduced through external circulation intake duct 3 by external circulation duct fan 2, passes through condenser 2 4, and is discharged by external circulation duct fan 2 and external circulation exhaust duct 1, where it exchanges heat with condenser 2 4 to prevent condenser 2 4 from overheating.

[0048] The high-temperature, high-pressure gaseous refrigerant from compressor 11 is partially diverted to condenser 6 and partially to condenser 4. Condensers 6 and 4 facilitate heat exchange between the high-temperature, high-pressure refrigerant and the outside air through fins, releasing heat to condense the refrigerant into a liquid state. The condensed refrigerant then passes through a throttling device (such as an expansion valve or capillary tube) and transforms into a low-temperature, low-pressure liquid or gas-liquid mixture. This low-temperature, low-pressure refrigerant enters evaporator 7, where it absorbs heat from the air and transforms into a gaseous state, while water vapor in the air condenses into water droplets.

[0049] Since the low-temperature air water vapor passing through evaporator 7 is still in a supersaturated state, and some small water droplets still exist in the air, a condenser 6 is installed after evaporator 7 to prevent these small water droplets from entering radon purification module 5 with the airflow, wetting the radon purification module 5, and reducing its adsorption efficiency. Condenser 6 raises the temperature of the flowing air (5-10℃), causing the small water droplets in the air to convert into water vapor. This also prevents the temperature from rising too high, which would affect the adsorption efficiency of radon purification module 5. Condenser 4 is responsible for releasing heat and gradually cooling the remaining high-temperature, high-pressure refrigerant through heat exchange with the outside air, transforming it into a liquid state. The condensed refrigerant passes through a throttling device (such as an expansion valve or capillary tube), causing a sudden pressure drop, transforming it into a low-temperature, low-pressure liquid or gas-liquid mixture. The low-temperature, low-pressure refrigerant then enters evaporator 7.

[0050] Example 5

[0051] Based on Example 1, this example provides a multifunctional radon purification system. Both the radon purification module 15 and the radon purification module 213 include two or more activated carbon adsorption plates. Each activated carbon adsorption plate includes a frame and granular activated carbon filled in the frame. The frame and the shell are detachably connected.

[0052] In this embodiment, activated carbon is used to purify radon in the air. Radon purification module 15 is located at the rear end of condenser 16 and the front end of air disinfection module, while radon purification module 23 is located at the rear end of variable frequency DC fan 14. Radon purification module 15 and radon purification module 23 have the same structure. Taking radon purification module 15 as an example, it includes two rectangular activated carbon adsorption plates, the inside of which is filled with granular activated carbon (granular coconut shell activated carbon with a particle size of 4-6 mesh). The activated carbon plates are designed for easy installation and disassembly and can be fixed by inserting into the slots of the housing. The plate frames are made of 0.5mm stainless steel plate welded together for support and fixation. The air-passing surface of the plate frames is made of stainless steel diamond mesh with a grid spacing of 4mm. To prevent the frame from deforming under stress, reinforcing ribs are set at appropriate positions inside the frame.

[0053] Example 6

[0054] Based on Example 1, this example provides a multifunctional radon purification system. The real-time monitoring module further includes a multifunctional sensor 19, which integrates the detection of carbon dioxide, formaldehyde, total volatile organic compounds, PM2.5, PM10, temperature, and humidity. The multifunctional sensor 19 is electrically connected to the automatic control module 16.

[0055] The multi-functional sensor 19 integrates the detection parameters of carbon dioxide, formaldehyde, TVOC, PM2.5, PM10, temperature, and humidity. It uses a UART serial port level output mode to transmit the detected data to the automatic control module 16 for processing. The automatic control module 16 is used to implement the logic control of the radon purification device, controlling various switch and analog signals on the device to achieve automated control. Radon removal, dehumidification, and disinfection functions can be automatically controlled using a PLC control system. It controls the operating modes of the radon purification device, including automatic mode, manual mode, purification mode, disinfection mode, and dehumidification mode. The automatic control module 16 records and displays the sensor output data and adjusts the dehumidification module's operating status based on humidity detection results.

[0056] Example 7

[0057] Based on Example 1, this example provides a multifunctional radon purification system, wherein the air disinfection module is an ultraviolet germicidal lamp 15.

[0058] The ultraviolet germicidal lamp 15 is used to disinfect the airflow passing through the evaporator 7, eliminating harmful microorganisms such as bacteria, viruses, and spores in the air and providing a good working environment.

[0059] Example 8

[0060] Based on Embodiment 1, this embodiment provides a multifunctional radon purification system, wherein a float valve is provided in the water storage tank 17, and the float valve is electrically connected to the automatic control module 16.

[0061] When the radon purification device is working, it condenses moisture in the air into liquid water droplets, which are then collected and stored in the water tank 17. The main function of the float valve is to monitor the water level in the water tank 17. When the float valve reaches a preset position due to the rise in water level, it will trigger a switch signal to inform the automatic control module 16 that the water tank 17 is full.

[0062] Example 9

[0063] Based on Example 5, this example provides a multifunctional radon purification system, which also includes an oven located outside the shell. The oven is used for the regeneration of granular activated carbon.

[0064] After the radon purification device has been running for a period of time, when the activated carbon is saturated, the activated carbon plate and frame can be removed and placed in an oven. The activated carbon can be regenerated by heating at a high temperature of 120°C, restoring the radon purification capacity of the activated carbon plate and frame, thereby realizing the function of reusable activated carbon plate and frame.

[0065] This invention achieves highly efficient dehumidification and purification, significantly optimizing radon purification performance in high-humidity environments. The built-in evaporator 7 effectively condenses and removes water vapor from the air, significantly reducing ambient humidity and thus enhancing the adsorption efficiency and capacity of activated carbon for radon. This ensures excellent purification performance even in high-humidity environments such as chambers. Furthermore, the removable design of the activated carbon adsorption module allows users to regenerate the activated carbon via an oven, extending its lifespan, reducing replacement costs, and ensuring the continuous and regenerable purification capacity of the device. This provides an economical, efficient, and sustainable radon purification solution for various high-humidity environments.

[0066] The above examples are merely illustrative of this utility model and do not constitute a limitation on the scope of protection of this utility model. All designs that are the same as or similar to this utility model are within the scope of protection of this utility model.

Claims

1. A multifunctional radon purification system, characterized by: The shell, radon sub-atom and particle purification module, radon purification module one, air sterilization module, variable frequency direct current fan, radon purification module two, dehumidification and temperature recovery module, external circulation module, real-time monitoring module, automatic control module and oven are included. The shell is divided into upper, middle and lower parts, the real-time monitoring module includes at least a radon concentration sensor and is arranged at the top of the shell, the upper part is divided into two parts, and an external circulation module and an internal circulation outlet system are arranged in the two parts respectively, the internal circulation outlet system is sequentially provided with the variable frequency direct current fan, the radon purification module two and an internal circulation air outlet from bottom to top. The middle part is sequentially provided with the radon sub-atom and particle purification module, the radon purification module one and the air sterilization module, and the air flow outlet of the air sterilization module is communicated with the air inlet of the variable frequency direct current fan. The lower part is provided with a water storage tank and an automatic control module, the water outlet of the water collecting tank of the dehumidification and temperature recovery module is communicated with the water storage tank, the real-time monitoring module, the external circulation module, the variable frequency direct current fan and the dehumidification and temperature recovery module are electrically connected with the automatic control module, and the oven is used for heating and regenerating the radon purification module one and the radon purification module two.

2. A multifunctional radon purification system according to claim 1, characterized in that: The dehumidification and temperature recovery module includes a compressor, an evaporator, a condenser one and a condenser two, the compressor is arranged in the lower part, the evaporator and the condenser one are arranged in the middle part, the condenser one is arranged behind the evaporator, the drain pipe of the water collecting tank below the evaporator is communicated with the water storage tank, the drain pipe is provided with a check valve, and the compressor is electrically connected with the automatic control module.

3. A multi-functional radon scrubbing system according to claim 1, wherein: The radon sub-atom and particle purification module includes an air inlet grille, a primary filter and a high-efficiency filter which are sequentially arranged along the air flow direction, and the air inlet grille is arranged on the shell.

4. A multi-functional radon scrubbing system according to claim 2, wherein: The external circulation module includes an external circulation exhaust pipe, an external circulation pipe fan and an external circulation air inlet pipe, the shell is provided with an air inlet and an air outlet at the top, the external circulation air inlet pipe is inserted into the air inlet, and the external circulation exhaust pipe is inserted into the air outlet. The condenser two is arranged between the external circulation exhaust pipe and the external circulation air inlet pipe, the external circulation pipe fan is arranged at the external circulation exhaust pipe, and the external circulation pipe fan is electrically connected with the automatic control module.

5. The multi-functional radon scrubbing system of claim 1, wherein: The radon purification module one and the radon purification module two each include two or more active carbon adsorption plates, the active carbon adsorption plate includes a plate frame and granular active carbon filled in the plate frame, and the plate frame is detachably connected with the shell.

6. The multi-functional radon scrubbing system of claim 1, wherein: The real-time monitoring module further includes a multifunctional sensor which integrates detection of carbon dioxide, formaldehyde, total volatile organic compounds, PM2.5, PM10, temperature and humidity, and the multifunctional sensor is electrically connected with the automatic control module.

7. The multi-functional radon scrubbing system of claim 1, wherein: The air sterilization module is an ultraviolet sterilization lamp.

8. The multi-functional radon scrubbing system of claim 1, wherein: The water storage tank is provided with a float valve, and the float valve is electrically connected with the automatic control module.

9. The multi-functional radon scrubbing system of claim 5, wherein: The plate frame is made of high-temperature-resistant metal material, and the plate frame air passing surface is made of stainless steel diamond net with a grid spacing of 4-5 mm.

10. The multi-functional radon scrubbing system of claim 5, wherein: The plate frame is welded by stainless steel plates, and the plate frame is provided with reinforcing ribs.

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