A radon removal purification device and a radon removal purification method

By combining the use of micro-statics and green and efficient modified carbon-based materials and designing a shaking plate structure, the problems of poor adsorption capacity, large size and high cost of radon removal devices in existing technologies are solved, and a high-efficiency and low-cost radon purification effect is achieved.

CN118582803BActive Publication Date: 2025-10-10DONGGUAN LAD ENVIRONMENTAL SCI & TECH
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Patent Information

Application Number
CN202410753821.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-10-10
Estimated Expiration
2044-06-12

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Abstract

The application discloses a radon removal purifying device and method, which comprises a body, a micro-electrostatic cotton filter, a circulating fan, a micro-electrostatic microporous module, a plate type green high-efficiency modified carbon radon reduction filter, a W type green high-efficiency modified carbon radon reduction filter, a negative ion generator, a filter screen, a fixed cylinder, a movable rod, a shaking plate, a spring, a sliding groove, a sliding column and a piston. The filter screen is shaken, the shaking range of the shaking plate is increased through cooperation of the sliding groove and the sliding column, and the shaking assembly of the filter screen gap is self-rotated. Through combination adsorption of the novel green high-efficiency modified carbon radon reduction material and the micro-electrostatic microporous technology, the low adsorption coefficient, large volume, easy saturation and low radon removal rate of the traditional single active carbon are changed. Meanwhile, the novel green high-efficiency modified carbon radon reduction material and the micro-electrostatic are combined with the regeneration function, the carbon radon reduction material using time is prolonged, the weight is reduced, the cost is saved, and the radon removal rate is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of household air purifier structure, in particular to a radon removal purification device and radon removal purification method. BACKGROUND

[0002] Radon and radon daughter, indoor radon is mainly derived from radon in the soil, radon in building materials, radon in water, and the infiltration of household fuel and outdoor radon, radon daughter is a metal particle that releases alpha particles, (positively charged helium nuclei), when the human body inhales radon, these alpha particles may interact with DNA in body cells, thereby increasing the risk of lung cancer, which is listed as one of the 19 carcinogens by the World Health Organization.

[0003] The radon removal device in the prior art is ordinary activated carbon, cylinder, honeycomb, and plate type high-voltage electrostatic technology, but, as described above, the prior art has the following shortcomings:

[0004] The ordinary activated carbon in the prior art has poor adsorption capacity, in order to achieve the effect of removing radon, the weight needs to be increased, the cylinder, honeycomb, and plate type high-voltage electrostatic technology have large structure volume and high cost, the high-voltage electrostatic voltage is DC 8000-12000V, the voltage is high, the control requirement is high, each module needs to be powered separately, which is not conducive to household use.

[0005] Therefore, we propose a radon removal purification device and radon removal purification method. SUMMARY

[0006] The present application aims to provide a radon removal purification device and radon removal purification method to solve the problems raised in the background art.

[0007] In order to achieve the above-mentioned purpose, the present invention provides a radon removal and purification device, comprising a body, wherein a micro-static cotton filter is provided at the air inlet of the body, and a circulating fan, a micro-static microporous module, a plate-type green and high-efficiency modified carbon-based radon reduction filter, a W-shaped green and high-efficiency modified carbon-based radon reduction filter, and a negative ion generator are sequentially arranged in the body; a filter screen and a fixed cylinder are provided in the plate-type green and high-efficiency modified carbon-based radon reduction filter, a movable rod is provided through the fixed cylinder, a shaking plate that acts on the filter screen is rotatably connected to the movable rod, a spring is provided under the filter screen, and the fixed cylinder The outer surface is provided with a sliding groove connected from end to end, and a sliding column that is rotatably matched with the shaking plate is slidably fitted in the sliding groove, and a piston that is rotatably connected to the movable rod is movably provided in the fixed cylinder; a shaking assembly, which reciprocates the movable rod and cooperates with the spring to make the shaking plate shake to act on the filter screen, and increases the shaking amplitude of the shaking plate through the cooperation of the sliding groove and the sliding column, and causes the gap of the filter screen to rotate; a movable assembly, which drives the spring to stretch and rotate through the movable rod to act on the filter screen.

[0008] Furthermore, the shaking assembly includes a power assembly that causes the piston to reciprocate along the fixed cylinder, the top of the movable rod is fixedly connected to a fixed frame plate, the fixed frame plate is rotatably connected to the two ends of the shaking plate, a connecting plate is hinged between the other end of the shaking plate and the filter screen, the middle of the connecting plate is hinged with a U-shaped plate movably connected to the two ends of the spring, and the fixed cylinder is fixedly connected to the plate-type green and high-efficiency modified carbon-based radon reduction filter.

[0009] Furthermore, the shaking assembly also includes a connecting plate rotatably connected to the shaking plate through a first torsion spring, and the bottom end of the connecting plate is rotatably connected to the sliding column through a second torsion spring.

[0010] Furthermore, the sliding groove includes a plurality of evenly distributed first sliding grooves and second sliding grooves, the first sliding grooves are distributed obliquely, the second sliding grooves are distributed vertically, and both ends of the first sliding groove are respectively connected to the ends of two adjacent second sliding grooves.

[0011] Furthermore, the movable component includes a wedge-shaped block fixedly connected to the top of the fixed frame plate, the end of the wedge-shaped block is fixedly connected to a limit plate, and the wedge-shaped block is movably matched with the spring.

[0012] Furthermore, the power assembly includes a motor fixedly connected to the interior of the plate-type green high-efficiency modified carbon-based radon reduction filter, the output shaft of the motor penetrates into the fixed cylinder and is fixedly connected to a turntable, the edge of the turntable is rotatably connected to a connecting column, and the bottom of the piston is rotatably connected to a rotating plate fixedly connected to the connecting column.

[0013] Furthermore, an air hole is provided at the top edge of the fixed cylinder, and an air guide plate is provided on the connecting plate to help prevent uniform air flow.

[0014] Furthermore, a negative high voltage device is provided at one end of the micro-electrostatic microporous module, and a PTC heating element is also provided in the body.

[0015] A radon removal and purification method for a radon removal and purification device is characterized in that the radon removal and purification device is used, and the specific method includes the following steps:

[0016] S1. When the indoor air passes through the micro-static cotton filter, hair, dust and particles in the air are coarsely filtered and then initially adsorbed and intercepted;

[0017] S2, the air is sent into the micro-electrostatic microporous module by the circulating fan. The negative high-voltage device at the front end makes the bound and unbound radon gas and radon progeny in the air acquire electric charge under the action of negative high-voltage corona, while the radon progeny metal particles are positively charged. The rear end is a microporous structure, thus removing most of the radon progeny.

[0018] S3. As the circulating fan continues to supply air, the remaining bound and unbound radon gas and radon daughters in the air are further driven to move. As the air flows through the plate-type green and efficient modified carbon-based radon reduction filter and the W-shaped green and efficient modified carbon-based radon reduction filter, the radon gas and radon daughters in the air are completely removed.

[0019] S4. When air flows through the plate-type green high-efficiency modified carbon-based radon reduction filter, the reciprocating piston causes the shaking plate to shake back and forth, thereby causing the filter to shake and rotate, thereby ensuring that the filter is in full and uniform contact with the radon gas and radon progeny.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] In this application, the indoor air is passed through the micro-static cotton filter, and after the hair, dust and particles in the air are coarsely filtered, a preliminary adsorption and interception are performed, and the air is sent to the micro-static module by the circulating fan. The front end is a negative high-voltage device. The combined and uncombined radon gas and radon daughters in the air acquire an electric charge under the action of the negative high-voltage corona, and the radon daughter metal particles are positively charged. According to this characteristic and the microporous structure at the rear end of the micro-static module, most of the radon daughters are removed. As the circulating fan continues to supply air, the remaining combined and uncombined radon gas and radon daughters in the air are removed as the air flows through the plate-type green high The W-type green and efficient modified carbon-based radon reduction filter can completely remove radon gas and radon progeny from the air. This method has a simple structure and low cost. It uses a combination of new green and efficient modified carbon-based radon reduction materials and micro-electrostatic microporous technology for adsorption, changing the traditional single activated carbon with low adsorption coefficient, large volume, easy saturation and low radon removal rate. At the same time, the design utilizes micro-static and new green and efficient modified carbon-based radon reduction materials, and the regeneration function is cleverly combined. While in use, it can extend the service life of the carbon-based radon reduction material, reduce weight, save costs and improve the radon removal rate.

[0022] In the present application, the filter is moved up and down synchronously while being rotated to ensure that the filter is in full contact with the indoor air passing through. On the one hand, this prevents the filter from sticking and clogging. On the other hand, the incoming air is evenly dispersed through the air guide plate and the air holes. The blocking of the fixed cylinder prevents the air from concentrating in the middle of the filter, which would cause the middle of the filter to be overused while the edge of the filter is not utilized highly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the internal structure of the machine body of the present invention;

[0025] Figure 3 This is a schematic diagram of the radon removal structure inside the body of the present invention;

[0026] Figure 4 This is a schematic diagram of the matching structure of the filter screen and the fixed cylinder of the present invention;

[0027] Figure 5 Schematic diagram of the cross section of the filter screen and the matching structure of the fixed cylinder of the present invention;

[0028] Figure 6 This is a schematic diagram of the split structure of the filter screen and the fixed cylinder of the present invention;

[0029] Figure 7 Schematic diagram of the split structure of the spring, U-shaped plate and wedge block of the present invention;

[0030] Figure 8 This is a schematic diagram of the disassembled structure of the fixed cylinder and the movable rod of the present invention;

[0031] Figure 9 It is a schematic diagram of the matching structure of the power assembly and the fixed frame plate of the present invention.

[0032] In the figure: 1. Machine body; 2. Micro-static cotton filter; 3. Circulating fan; 4. Micro-static microporous module; 5. Plate-type green and efficient modified carbon-based radon reduction filter; 6. W-type green and efficient modified carbon-based radon reduction filter; 7. Negative ion generator; 8. Filter; 9. Fixed cylinder; 10. Movable rod; 11. Rocking plate; 12. Spring; 13. Sliding column; 14. Piston; 15. Fixed frame plate; 16. Connecting plate; 17. U-shaped plate; 18. Connecting plate; 19. First slide; 20. Second slide; 21. Wedge block; 22. Limiting plate; 23. Motor; 24. Turntable; 25. Connecting column; 26. Rotating plate; 27. Air hole; 28. Air guide plate. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] Example 1

[0035] See also Figures 1-9 The present invention provides a radon removal and purification device, comprising a body 1, a micro-static cotton filter 2 is provided at the air inlet of the body 1, a circulating fan 3, a micro-static microporous module 4, a plate-type green and efficient modified carbon-based radon reduction filter 5, a W-shaped green and efficient modified carbon-based radon reduction filter 6, and a negative ion generator 7 are sequentially provided in the body 1; a filter screen 8 and a fixed cylinder 9 are provided in the plate-type green and efficient modified carbon-based radon reduction filter 5, a movable rod 10 is provided through the fixed cylinder 9, a shaking plate 11 with an active filter screen 8 is rotatably connected to the movable rod 10, and a spring 12 is provided under the filter screen 8. The outer surface of the fixed cylinder 9 is provided with a sliding groove connected from end to end, and a sliding column 13 is slidably matched with the rocking plate 11 in the sliding groove, and a piston 14 is movably provided in the fixed cylinder 9 and is rotatably connected with the movable rod 10; the rocking component, the rocking component rocking the rocking plate 11 through the reciprocating movable rod 10, cooperates with the spring 12 to rock the filter 8, and increases the rocking amplitude of the rocking plate 11 through the cooperation of the sliding groove and the sliding column 13, and causes the gap of the filter 8 to rotate; the movable component, the movable component drives the spring 12 to stretch and rotate through the movable rod 10, thereby acting on the filter 8;

[0036] A method for removing radon from a radon removal device, characterized by using the above-mentioned radon removal device, and comprising the following steps:

[0037] S1. When indoor air passes through the micro-electrostatic cotton filter 2, the hair, dust and particles in the air are preliminarily adsorbed and intercepted;

[0038] S2. The air is sent to the micro-electrostatic micro-porous module 4 by the circulating fan 3, and the front end is a negative high-voltage device, so that the combined state and non-combined state radon gas and radon in the air are charged under the action of the negative high-voltage corona, and the radon metal particles are positively charged, and the rear end is a micro-porous structure, thereby removing most of the radon;

[0039] S3. With the continuous air supply of the circulating fan 3, the remaining combined state and non-combined state radon gas and radon in the air are further moved, and the radon gas and radon in the air are completely removed as the air flows through the plate type green high-efficiency modified carbon radon reduction filter 5 and the W type green high-efficiency modified carbon radon reduction filter 6;

[0040] S4. When the air flows through the plate type green high-efficiency modified carbon radon reduction filter 5, the shaking plate 11 is reciprocally shaken under the action of the reciprocally movable piston 14, so that the filter screen 8 is shaken and rotated, thereby ensuring that the filter screen 8 is in full and uniform contact with the radon gas and radon.

[0041] In this application, indoor air→micro-electrostatic cotton filter 2→circulating fan 3→micro-electrostatic micro-porous module 4→plate type green high-efficiency modified carbon radon reduction filter 5→W type green high-efficiency modified carbon radon reduction filter 6→negative ion generator 7→purified air radon reduction;

[0042] When indoor air passes through the micro-electrostatic cotton filter 2, the hair, dust and particles in the air are preliminarily adsorbed and intercepted, and the air is sent to the micro-electrostatic module by the circulating fan 3, the front end is a negative high-voltage device, the combined state and non-combined state radon gas and radon in the air are charged under the action of the negative high-voltage corona, and the radon metal particles are positively charged, according to the characteristics of the micro-electrostatic module and the micro-porous structure at the rear end, most of the radon is removed, with the continuous air supply of the circulating fan 3, the remaining combined state and non-combined state radon gas and radon in the air, and the radon gas and radon in the air are completely removed as the air flows through the plate type green high-efficiency modified carbon radon reduction filter 5 and the W type green high-efficiency modified carbon radon reduction filter 6;

[0043] In this application, during the air circulation process, the piston 14 is reciprocally moved along the fixed cylinder 9 by the power assembly, so that the movable rod 10 drives the shaking plate 11 to reciprocally move, and the filter screen 8 is reciprocally shaken up and down by the cooperation of the spring 12 and the connecting plate 16;

[0044] The rocking plate 11 moves back and forth, and through the cooperation of the first torsion spring and the second torsion spring, the connecting plate 18 rotates adaptively, so that the sliding column 13 always slides in the sliding groove. Due to the inclination and connection state of the first slide groove 19 and the second slide groove 20, on the one hand, the sliding groove restricts the reaction of the rocking plate 11 to change the rocking amplitude of the rocking plate 11. On the other hand, the sliding of the sliding column 13 in the sliding groove causes the movable rod 10, the rocking plate 11 and the filter screen 8 to rotate, and the blocking of the fixed cylinder 9 prevents excessive use of the middle part of the filter screen 8.

[0045] The shaking assembly includes a power assembly that causes the piston 14 to reciprocate along the fixed cylinder 9. The top of the movable rod 10 is fixedly connected to a fixed frame plate 15, which is rotatably connected to the ends of the two shaking plates 11. A connecting plate 16 is hinged between the other end of the shaking plate 11 and the filter screen 8. A U-shaped plate 17 movably connected to the two ends of the spring 12 is hinged in the middle of the connecting plate 16. The fixed cylinder 9 is fixedly connected to the plate-type green and high-efficiency modified carbon-based radon reduction filter 5.

[0046] The shaking assembly further includes a connecting plate 18 rotatably connected to the shaking plate 11 via a first torsion spring, and a bottom end of the connecting plate 18 is rotatably connected to the sliding post 13 via a second torsion spring;

[0047] In this application, when the movable rod 10 moves back and forth, it drives the fixed frame plate 15 to move back and forth up and down, so that the shaking plate 11 rotates back and forth with the fixed frame plate 15 as the rotating axis, and the shaking plate 11 moves up and down at the same time. Under the action of the spring 12, the connecting plate 16 moves, so that the filter screen 8 moves back and forth up and down.

[0048] The sliding groove includes a plurality of evenly distributed first sliding grooves 19 and second sliding grooves 20. The first sliding grooves 19 are distributed obliquely, and the second sliding grooves 20 are distributed vertically. The two ends of the first sliding groove 19 are respectively connected to the ends of two adjacent second sliding grooves 20.

[0049] When the shaking plate 11 shakes, the sliding rod rotates along the first slide groove 19 to rotate the filter screen 8 and the shaking plate 11, and the second slide groove 20 makes the filter screen 8 move up and down. In this application, the second slide groove 20 can be in an inclined state to ensure that the sliding column 13 rotates in a clockwise direction along the second slide groove 20 and the first slide groove 19 without reversal.

[0050] The movable assembly includes a wedge block 21 connected and fixed to the top of the fixed frame plate 15, the end of the wedge block 21 is fixedly connected to the limit plate 22, and the wedge block 21 is movably matched with the spring 12;

[0051] During the reciprocating movement of the movable rod 10, the fixed frame plate 15 and the wedge block 21 are driven to move up and down. On the one hand, the wedge block 21 that moves up and down presses the spring 12, and the spring 12 moves up and down, thereby increasing the up and down movement amplitude of the filter screen 8. On the other hand, when the wedge block 21 that moves up and down acts on the spring 12, the spring 12 rolls along the wedge block 21, thereby causing the spring 12 to automatically rotate and adjust its position, thereby avoiding the force-bearing part of the spring 12 remaining unchanged and reducing durability.

[0052] The power assembly includes a motor 23 fixedly connected to the interior of the plate-type green high-efficiency modified carbon-based radon reduction filter 5. The output shaft of the motor 23 passes through the fixed cylinder 9 and is fixedly connected to a turntable 24. A connecting column 25 is rotatably connected to the edge of the turntable 24. The bottom of the piston 14 is rotatably connected to a rotating plate 26 fixedly connected to the connecting column 25.

[0053] An air hole 27 is provided at the top edge of the fixed cylinder 9, and an air guide plate 28 is provided on the connecting plate 18. In this application, when the piston 14 moves up and down along the fixed cylinder 9, the air hole 27 cooperates with the air pumping and inflating of the middle position of the filter screen 8, and cooperates with the blocking effect of the fixed cylinder 9 to avoid excessive use of the middle part of the filter screen 8.

[0054] A negative high voltage device is provided at one end of the micro-electrostatic microporous module 4, and a PTC heating element is also provided in the body 1;

[0055] In certain environments, the PTC heating element can also be turned on for preheating or timed preheating, which is beneficial for prolonging the service life of the green and efficient modified carbon-based radon reduction filter; greatly improving the service life of the green and efficient modified carbon-based radon reduction filter.

[0056] Example 2

[0057] The shaking assembly includes a power assembly that causes the piston 14 to reciprocate along the fixed cylinder 9. The top of the movable rod 10 is fixedly connected to a fixed frame plate 15, which is rotatably connected to the ends of the two shaking plates 11 in the fixed frame plate 15. A connecting plate 16 is hinged between the other end of the shaking plate 11 and the filter screen 8. A U-shaped plate 17 is hinged in the middle of the connecting plate 16, one of the U-shaped plates 17 is fixedly connected to one end of the spring 12, and the other U-shaped plate 17 is rotatably connected to the other end of the spring 12. The fixed cylinder 9 is fixedly connected to the plate-type green and high-efficiency modified carbon-based radon reduction filter 5;

[0058] This embodiment is a further improvement of the first embodiment. In this application, one end of the spring 12 cannot rotate, but the other end can rotate. When the wedge block 21 moves up and down to act on the spring 12, the twisting effect of the spring 12 is further strengthened, thereby increasing the shaking effect of the filter screen 8.

[0059] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0060] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A radon removal and purification device, characterized in that: The invention comprises a machine body, wherein the air inlet of the machine body is provided with a micro-static cotton filter, and the machine body is provided with a circulating fan, a micro-static microporous module, a plate-type green high-efficiency modified carbon-based radon reduction filter, a W-shaped green high-efficiency modified carbon-based radon reduction filter, and a negative ion generator in sequence; The plate-type green high-efficiency modified carbon-based radon reduction filter is provided with a filter screen and a fixed cylinder, a movable rod is provided through the fixed cylinder, a shaking plate that acts on the filter screen is rotatably connected to the movable rod, a spring is provided under the filter screen, a sliding groove that is connected end to end is provided on the outer surface of the fixed cylinder, a sliding column that is rotatably matched with the shaking plate is slidably fitted in the sliding groove, and a piston that is rotatably connected to the movable rod is movably provided in the fixed cylinder; A shaking assembly, wherein the shaking assembly reciprocates the movable rod and cooperates with the spring to make the shaking plate shake the filter screen, and increases the shaking amplitude of the shaking plate through the cooperation of the sliding groove and the sliding column, thereby causing the gap of the filter screen to rotate; A movable assembly, wherein the movable assembly drives the spring to stretch and rotate through the movable rod to act on the filter screen; The shaking assembly includes a power assembly that causes the piston to reciprocate along the fixed cylinder, the top of the movable rod is fixedly connected to a fixed frame plate, the fixed frame plate is rotatably connected to the ends of the two shaking plates, a connecting plate is hinged between the other end of the shaking plate and the filter screen, a U-shaped plate movably connected to the two ends of the spring is hinged in the middle of the connecting plate, and the fixed cylinder is fixedly connected to the plate-type green and high-efficiency modified carbon-based radon reduction filter; The movable assembly includes a wedge-shaped block fixedly connected to the top of the fixed frame plate, the end of the wedge-shaped block is fixedly connected to the limit plate, and the wedge-shaped block is movably matched with the spring; The shaking assembly further includes a connecting plate rotatably connected to the shaking plate via a first torsion spring, and a bottom end of the connecting plate is rotatably connected to the sliding post via a second torsion spring; A negative high voltage device is provided at one end of the micro-electrostatic microporous module, and a PTC heating element is also provided in the body; The power assembly includes a motor that is fixedly connected to the interior of the plate-type green high-efficiency modified carbon-based radon reduction filter. The output shaft of the motor penetrates into the fixed cylinder and is fixedly connected to a turntable. The edge of the turntable is rotatably connected to a connecting column, and the bottom of the piston is rotatably connected to a rotating plate that is fixedly connected to the connecting column.

2. A radon removal and purification device according to claim 1, characterized in that: The sliding groove includes a plurality of evenly distributed first sliding grooves and second sliding grooves, wherein the first sliding grooves are obliquely distributed, and the second sliding grooves are vertically distributed, and both ends of the first sliding grooves are respectively connected to the ends of two adjacent second sliding grooves.

3. A radon removal and purification device according to claim 1, characterized in that: An air hole is provided at the top edge of the fixing tube, and an air guide plate is provided on the connecting plate.

4. A radon removal and purification method for a radon removal and purification device, characterized in that: The radon removal and purification device according to claim 1 is used, and the specific method includes the following steps: S1. When the indoor air passes through the micro-static cotton filter, hair, dust and particles in the air are coarsely filtered and then initially adsorbed and intercepted; S2, the air is sent into the micro-electrostatic microporous module by the circulating fan. The negative high-voltage device at the front end makes the bound and unbound radon gas and radon progeny in the air acquire electric charge under the action of negative high-voltage corona, while the radon progeny metal particles are positively charged. The rear end is a microporous structure, thus removing most of the radon progeny. S3. As the circulating fan continues to supply air, the remaining bound and unbound radon gas and radon daughters in the air are further driven to move. As the air flows through the plate-type green and efficient modified carbon-based radon reduction filter and the W-shaped green and efficient modified carbon-based radon reduction filter, the radon gas and radon daughters in the air are completely removed. S4. When air flows through the plate-type green high-efficiency modified carbon-based radon reduction filter, the reciprocating piston causes the shaking plate to shake back and forth, thereby causing the filter to shake and rotate, thereby ensuring that the filter is in full and uniform contact with the radon gas and radon progeny.

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