Deep ground radon reduction device

Abstract

The utility model discloses a deep radon reduction device, which aims to solve the problems of limited adsorption capacity, short replacement period and high maintenance cost of the conventional radon removal air cabinet, and the problems of non-uniform airflow distribution and incapability of meeting the requirements of the market on high-performance radon removal equipment. The air cabinet comprises a composite filter unit installed in the radon removal air cabinet, the composite filter unit comprises an outer frame, the outer frame is provided with an air inlet and an air outlet, and a nanocomposite adsorption layer, a catalytic degradation layer and an airflow uniform distribution assembly are arranged between the air inlet and the air outlet. According to the utility model, radon gas is adsorbed on the surface of the composite material adsorption layer, and ionization is carried out through discharging of the catalytic degradation layer, so that the activity of an adsorbent in the nano composite material adsorption layer is improved, the adsorbed radon gas is converted into harmless substances, and air can be disturbed, so that the radon removal effect is ensured; and the requirements of the market on high-performance radon removal equipment are better met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of radiation protection, specifically relates to a deep ground radon reduction device. BACKGROUND

[0002] Radon is a natural radioactive gas, which has potential harm to human health. It is found that the concentration of radon in the soil and rock containing uranium, thorium and radium in deep stratum is higher. Moreover, radon is also contained in building materials at a certain concentration. Therefore, the concentration of radon in underground buildings is several times higher than that on the ground surface. Underground building construction is relatively closed, and the ventilation condition is poor. Therefore, in order to ensure the personal safety of construction personnel, the research and application of radon removal air cabinet and equipment are increasingly concerned.

[0003] The existing radon removal air cabinet mainly uses active carbon adsorption, ion exchange and other methods to remove radon. However, these methods have the problems of limited adsorption capacity, short replacement cycle, high maintenance cost, uneven airflow distribution, high energy consumption, and certain limitations in performance and efficiency, which cannot meet the market demand for high-performance radon removal equipment. UTILITY MODEL CONTENT

[0004] (1) Technical problem to be solved

[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a deep ground radon reduction device, which aims to solve the problems of the existing radon removal air cabinet, such as limited adsorption capacity, short replacement cycle, high maintenance cost, uneven airflow distribution and high energy consumption, which cannot meet the market demand for high-performance radon removal equipment.

[0006] (2) Technical scheme

[0007] In order to solve the above technical problems, the utility model provides a deep ground radon reduction device, which comprises a composite filter unit installed in the radon removal air cabinet. The composite filter unit comprises an outer frame, the outer frame has an air inlet and an air outlet, a nanometer composite material adsorption layer, a catalytic degradation layer and an airflow distribution assembly are arranged between the air inlet and the air outlet, the nanometer composite material adsorption layer is used for adsorbing radon gas in air, the catalytic degradation layer is used for converting the adsorbed radon gas into harmless substances, and the airflow distribution assembly is used for ensuring uniform distribution of airflow. A control assembly is arranged on the left side of the outer frame, and the control assembly is used for controlling the operation of the catalytic degradation layer.

[0008] Preferably, the outer frame comprises a top plate, a bottom plate and two side plates, and the left and right ends of the two side plates are fixedly connected with the top plate and the bottom plate respectively.

[0009] Further, the nanometer composite material adsorption layer has a honeycomb structure, and the nanometer composite material adsorption layer is a coconut shell active filter.

[0010] Further, the air flow uniform distribution assembly comprises a rectangular frame installed in the outer frame, a plurality of first air uniformizing strips and a plurality of second air uniformizing strips are fixedly connected to the left side and the right side of the rectangular frame respectively, air ducts are formed between two adjacent first air uniformizing strips and two adjacent second air uniformizing strips, the cross section of the first air uniformizing strip is V-shaped structure, and the cross section of the second air uniformizing strip is circular structure.

[0011] Further, the control assembly comprises a control panel, a power indicator lamp, a working indicator lamp, a fault indicator lamp and a boat switch, a fixing piece is fixedly connected to the inner wall of the left side of the outer frame, the control panel is installed on the back of the fixing piece, and the power indicator lamp, the working indicator lamp, the fault indicator lamp and the boat switch are installed on the front of the fixing piece.

[0012] Further, the catalytic degradation layer comprises two fixing frames, and the two fixing frames are installed in the inner part of the outer frame through an electric field pressing block.

[0013] Further, the electric field assembly comprises three adhesive strips fixedly connected to the inner part of the fixing frame, low-voltage sheets and high-voltage sheets are fixedly connected to the upper side and the lower side of the adhesive strip respectively, a plurality of discharge needles are installed on the side of the high-voltage sheet close to the low-voltage sheet, and the high-voltage sheet and the low-voltage sheet are electrically connected with the control panel. Beneficial effects

[0014] Compared with the prior art, the beneficial effects of the utility model lie in that:

[0015] 1. The composite filtering unit adopts nanometer composite material adsorption and catalytic degradation technology, effectively solves the performance and efficiency deficiencies of the existing radon removal air cabinet, has excellent radon removal performance, low energy consumption and low maintenance cost, and better meets the market demand for high-performance radon removal equipment.

[0016] 2. The radon removal air cabinet acts through the internal nanometer composite material adsorption layer, adsorbs radon on the material surface, and as the adsorption amount increases, the adsorption capacity of the material gradually decreases, at which time the catalytic degradation layer discharges to ionize, thereby improving the activity of the adsorbent in the nanometer composite material adsorption layer, converting the adsorbed radon into harmless substances, and the air is disturbed after passing through the air flow uniform distribution assembly of the composite filtering unit, thereby ensuring the uniform distribution of the air flow in the radon removal air cabinet, and ensuring the radon removal effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0018] Figure 2It is the explosion structure schematic view of the utility model.

[0019] Figure 3 It is the explosion structure schematic view of the outer frame of the utility model.

[0020] Figure 4 It is the structure schematic view of the catalytic degradation layer of the utility model.

[0021] Figure 5 It is the structure schematic view of the airflow uniform distribution assembly of the utility model.

[0022] Figure 6 It is the three-dimensional structure schematic view of the electric field assembly of the utility model.

[0023] The marks in the drawing are: 1, outer frame;2, air inlet;3, air outlet;4, nanometer composite material adsorption layer;5, catalytic degradation layer;6, airflow uniform distribution assembly;7, control assembly;101, top plate;102, bottom plate;103, side plate;601, rectangular frame;602, first air uniformization strip;603, second air uniformization strip;501, fixed frame;502, electric field pressing block;503, electric field assembly;5031, rubber strip;5032, low-voltage sheet;5033, high-voltage sheet;5034, discharge needle;701, control panel;702, power indicator lamp;703, working indicator lamp;704, fault indicator lamp;705, boat-shaped switch;706, fixing piece. DETAILED DESCRIPTION

[0024] The specific embodiment is a deep radon reduction device, and a structure schematic view thereof is shown in the drawing. Figures 1-6 The radon reduction device comprises a composite filter unit installed in the interior of a radon removal air cabinet, the composite filter unit comprises an outer frame 1, the outer frame 1 is provided with an air inlet 2 and an air outlet 3, a nanometer composite material adsorption layer 4, a catalytic degradation layer 5 and an airflow uniform distribution assembly 6 are arranged between the air inlet 2 and the air outlet 3, the nanometer composite material adsorption layer 4 is used for adsorbing radon gas in air, the catalytic degradation layer 5 is used for converting the adsorbed radon gas into harmless substances, the airflow uniform distribution assembly 6 is used for ensuring uniform distribution of airflow, a control assembly 7 is arranged on the left side of the outer frame 1, and the control assembly 7 is used for controlling the operation of the catalytic degradation layer 5.

[0025] As shown in Figure 1 and Figure 2 In the embodiment, the outer frame 1 comprises a top plate 101, a bottom plate 102 and two side plates 103, and the left and right ends of the two side plates 103 are fixedly connected with the top plate 101 and the bottom plate 102 respectively.

[0026] As shown in Figure 2 In the embodiment, the nanometer composite material adsorption layer 4 has a honeycomb structure, and the nanometer composite material adsorption layer 4 is a coconut shell active filter.

[0027] By setting the nanocomposite adsorption layer 4 as a coconut shell active filter, the nanocomposite adsorption layer 4 has a large specific surface area and excellent adsorption performance, and can effectively adsorb radon in the air.

[0028] As shown in Figure 2 and Figure 5 : In this embodiment, the airflow uniform distribution assembly 6 includes a rectangular frame 601 installed inside the outer frame 1, and a plurality of first airflow uniform distribution bars 602 and a plurality of second airflow uniform distribution bars 603 are fixedly connected to the left and right sides of the rectangular frame 601, respectively, and air ducts are formed between adjacent two first airflow uniform distribution bars 602 and adjacent two second airflow uniform distribution bars 603. The cross section of the first airflow uniform distribution bar 602 is V-shaped structure, and the cross section of the second airflow uniform distribution bar 603 is circular structure.

[0029] The airflow uniform distribution assembly 6 is thus arranged to ensure uniform distribution of airflow inside the air cabinet, improving the radon removal efficiency. Specifically, after the air passes through the airflow uniform distribution assembly 6 of the composite filter unit, the air is disturbed by the first airflow uniform distribution bar 602 with V-shaped structure and the second airflow uniform distribution bar 603 with circular structure, ensuring uniform distribution of airflow inside the radon removal air cabinet, thereby ensuring the radon removal effect.

[0030] As shown in Figure 1 and Figure 3 : In this embodiment, the control assembly 7 includes a control panel 701, a power indicator 702, a working indicator 703, a fault indicator 704, and a boat switch 705. The left inner wall of the outer frame 1 is fixedly connected with a fixing member 706, the control panel 701 is installed on the back of the fixing member 706, and the power indicator 702, the working indicator 703, the fault indicator 704 and the boat switch 705 are all installed on the front of the fixing member 706. The cross sections of the fixing member 706 and the top plate 101 are both L-shaped structure.

[0031] This arrangement can reflect the working state of the catalytic degradation layer 5 through the power indicator 702, the working indicator 703 and the fault indicator 704, making the use more convenient.

[0032] As shown in Figure 2 and Figure 4 : In this embodiment, the catalytic degradation layer 5 includes two fixed frames 501, and the two fixed frames 501 are installed inside the outer frame 1 through an electric field pressing block 502. Two electric field assemblies 503 are installed inside each fixed frame 501.

[0033] The catalytic degradation layer 5 is thus arranged to use a specific catalyst to convert the adsorbed radon into harmless substances through ionization phenomenon, thereby reducing the radioactive pollution in the environment.

[0034] As shown in Figure 4 and Figure 6As shown: in this embodiment, the electric field assembly 503 includes three adhesive strips 5031 fixedly connected inside the fixed frame 501, the upper and lower sides of the adhesive strips 5031 are fixedly connected with low-voltage sheets 5032 and high-voltage sheets 5033 respectively, a plurality of discharge needles 5034 are installed on the side of the high-voltage sheets 5033 close to the low-voltage sheets 5032, and the high-voltage sheets 5033 and the low-voltage sheets 5032 are electrically connected with the control panel 701.

[0035] The boat-shaped switch 705 is arranged in this way, the control panel 701 controls the high-voltage sheets 5033, the low-voltage sheets 5032 and the discharge needles 5034 to discharge and ionize, so as to improve the activity of the adsorbent in the nanometer composite material adsorption layer 4, and convert the adsorbed radon into harmless substances.

[0036] Working principle: when in use, the nanometer composite material adsorption layer 4, the catalytic degradation layer 5 and the airflow distribution assembly 6 are installed inside the outer frame 1 in a certain order, then the composite filtration unit is installed in the radon removal air cabinet, at this time, the air inlet 2 of the outer frame 1 is communicated with the air inlet of the radon removal air cabinet, and the air outlet 3 of the outer frame 1 is communicated with the air outlet of the radon removal air cabinet, then the air to be treated is introduced into the radon removal air cabinet through the fan, at this time, the radon in the air will react with the nanometer composite material adsorption layer 4 inside, and the radon is adsorbed on the surface of the material, as the adsorption amount increases, the adsorption capacity of the material gradually decreases, at this time, the boat-shaped switch 705 is started, the control panel 701 controls the high-voltage sheets 5033, the low-voltage sheets 5032 and the discharge needles 5034 to discharge and ionize, so as to improve the activity of the adsorbent in the nanometer composite material adsorption layer 4, and convert the adsorbed radon into harmless substances, and after the air passes through the airflow distribution assembly 6 of the composite filtration unit, the air is disturbed through the V-shaped first air uniformizing strip 602 and the circular second air uniformizing strip 603, so as to ensure the uniform distribution of the airflow in the radon removal air cabinet, thereby ensuring the radon removal effect, finally, the air with low radioactive pollution is discharged after being treated by the nanometer composite material adsorption layer 4 and the catalytic degradation layer 5.

[0037] All the technical features in the embodiment can be freely combined according to actual needs.

[0038] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. A deep under-ground radon removal device, the radon removal device comprising a composite filter unit installed inside a radon removal air cabinet, characterized in that: The composite filtering unit comprises an outer frame (1) having an air inlet (2) and an air outlet (3), a nanocomposite adsorption layer (4), a catalytic degradation layer (5) and an airflow distribution assembly (6) being arranged between the air inlet (2) and the air outlet (3), the nanocomposite adsorption layer (4) being used for adsorbing radon in air, the catalytic degradation layer (5) being used for converting the adsorbed radon into harmless substances, and the airflow distribution assembly (6) being used for ensuring uniform distribution of airflow, and a control assembly (7) being arranged on the left side of the outer frame (1) and being used for controlling operation of the catalytic degradation layer (5).

2. The deep-earth radon abatement device of claim 1, wherein, The outer frame (1) comprises a top plate (101), a bottom plate (102) and two side plates (103), and the left and right ends of the two side plates (103) are fixedly connected with the top plate (101) and the bottom plate (102) respectively.

3. The deep terrestrial reduced radon device of claim 2, wherein, The nanocomposite adsorption layer (4) has a honeycomb structure and is a coconut shell active filter.

4. The deep terrestrial reduced radon device of claim 3, wherein, The airflow distribution assembly (6) comprises a rectangular frame (601) installed inside the outer frame (1), a plurality of first airflow uniformizing strips (602) and a plurality of second airflow uniformizing strips (603) being fixedly connected to the left and right sides of the rectangular frame (601) respectively, an air duct being formed between every two adjacent first airflow uniformizing strips (602) and every two adjacent second airflow uniformizing strips (603), the cross section of the first airflow uniformizing strip (602) being in V-shaped structure, and the cross section of the second airflow uniformizing strip (603) being in circular structure.

5. The deep terrestrial reduced radon device of claim 4, wherein, The control assembly (7) comprises a control board (701), a power indicator lamp (702), a working indicator lamp (703), a fault indicator lamp (704) and a boat switch (705), a fixing member (706) being fixedly connected to the inner wall of the left side of the outer frame (1), the control board (701) being installed on the back of the fixing member (706), the power indicator lamp (702), the working indicator lamp (703), the fault indicator lamp (704) and the boat switch (705) being all installed on the front of the fixing member (706), and the cross sections of the fixing member (706) and the top plate (101) being both in L-shaped structure.

6. The deep terrestrial reduced radon device of claim 5, wherein, The catalytic degradation layer (5) comprises two fixed frames (501), the two fixed frames (501) being installed inside the outer frame (1) through an electric field pressing block (502), and two electric field assemblies (503) being installed inside each fixed frame (501).

7. The deep terrestrial reduced radon device of claim 6, wherein, The electric field assembly (503) comprises three adhesive strips (5031) fixedly connected inside the fixed frame (501), low-voltage sheets (5032) and high-voltage sheets (5033) being fixedly connected to the upper and lower sides of the adhesive strip (5031) respectively, a plurality of discharge needles (5034) being installed on the side of the high-voltage sheet (5033) close to the low-voltage sheet (5032), and the high-voltage sheet (5033) and the low-voltage sheet (5032) being both electrically connected with the control board (701).

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