Portable air purification device

Abstract

The utility model relates to a portable air purification device which comprises a barrel assembly, a filter assembly and a fan assembly, the filter assembly and the fan assembly are fixedly arranged in an inner cavity of the barrel assembly, the filter assembly and the fan assembly are communicated and matched with each other, the barrel assembly comprises an outer frame barrel and a partition plate, and the partition plate is arranged in the outer frame barrel. The filter assembly and the fan assembly are fixedly arranged in an inner cavity of the outer frame barrel and located on the two sides of the partition plate respectively. The technical scheme is reasonable in structure, can be used for a nuclear air purification system under a radioactive working condition, not only has all performances of a nuclear-grade filter and a matched purification device thereof through the filter assembly and the fan assembly, but also is small in size, large in air volume and high in working reliability; and the volume and waste quantity of the waste filter after treatment can be reduced as much as possible to reduce the treatment cost of the waste filter.

Description

Technical Field

[0001] This utility model relates to an air purification device, and more particularly to a portable air purification device. Background Technology

[0002] In the nuclear industry's "three wastes" treatment system, waste gas treatment is a crucial link. The waste gas contains various radioactive aerosols, such as gas fission products iodine, krypton, xenon, radon and their decay products, uranium fly dust, etc. These radioactive aerosols must undergo nuclear air purification treatment and meet relevant national standards before they can be released into the atmosphere. Therefore, how to reliably collect aerosols containing various radioactive substances is a technical problem that industry professionals need to solve. Summary of the Invention

[0003] To solve the above-mentioned technical problems, the purpose of this utility model is to provide a portable air purification device, including a cylindrical assembly and a filter assembly, and also a fan assembly. The filter assembly and the fan assembly are fixedly installed in the inner cavity of the cylindrical assembly, and the filter assembly and the fan assembly are interconnected and cooperate with each other. The cylindrical assembly includes an outer frame cylinder and a partition. The filter assembly and the fan assembly are fixedly installed in the inner cavity of the outer frame cylinder and are respectively located on both sides of the partition.

[0004] Preferably, the cylinder assembly further includes a front end plate and a rear end plate, which are detachably and fixedly installed at the front and rear ends of the outer frame cylinder, respectively. The front end plate, the rear end plate, the outer frame cylinder, and the partition plate together form a sealed space for accommodating the filter assembly and the fan assembly.

[0005] Preferably, the partition is fixedly installed on the inner wall of the outer frame cylinder, and the partition can divide the inner cavity of the outer frame cylinder into a filter cavity and an exhaust cavity. The filter assembly is fixedly installed in the filter cavity, and the fan assembly is fixedly installed in the exhaust cavity.

[0006] Preferably, the filter assembly is detachably and fixedly mounted on the partition, and one end of the fan assembly passes through the partition to communicate with the filter assembly.

[0007] Preferably, the filter assembly includes a filter housing and a hollow filter element, the hollow filter element being fixedly installed in the inner cavity of the filter housing, and the hollow filter element forming a post-filter communication cavity in the inner cavity of the filter housing that is connected to the fan assembly.

[0008] Preferably, the outer periphery of the filter housing has an air inlet for the hollow filter element to be exposed, the rear end of the filter housing has a first threaded section, and the body of the partition has a second threaded section. Through the threaded engagement of the first threaded section and the second threaded section, one end of the fan assembly contacts and engages with the first threaded section and communicates with the filter cavity.

[0009] Preferably, the cylinder assembly has an air inlet on the front end plate, the front end plate has a connecting flange at the front end of the air inlet, and the cylinder assembly also has a valve body mounting port on the front end plate, through which the pressure gauge is fixedly mounted on the front end plate.

[0010] Preferably, the partition is welded to the inner wall of the outer frame cylinder.

[0011] By means of the above solution, this utility model has at least the following advantages:

[0012] The technical solution of this application can be used in nuclear air purification systems under radioactive conditions. Through the filter assembly and fan assembly, it not only has all the performance of nuclear-grade filters and their supporting purification devices, but also has a small size, large air volume, and high operational reliability. It can also minimize the volume and amount of waste after waste filter treatment to reduce the disposal cost of waste filters.

[0013] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show a certain embodiment of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of a portable air purification device according to this application;

[0016] Figure 2 This is a schematic diagram showing the structural relationship between the front-end plate, connecting flange, and pressure gauge in this application;

[0017] Figure 3 This is a structural schematic diagram of the wind turbine assembly of this application;

[0018] Figure 4 This is a schematic diagram of the structural relationship between the first threaded section and the second threaded section of this application;

[0019] Figure 5 This is a cross-sectional streamline distribution diagram of a portable air purification device according to this application during operation;

[0020] Figure 6 This is the operating characteristic curve of a portable air purification device according to this application.

[0021] In the diagram: 1. Cylinder assembly, 2. Filter assembly, 3. Fan assembly, 4. Outer frame cylinder, 5. Partition plate, 6. Front end plate, 7. Rear end plate, 8. Filter chamber, 9. Exhaust chamber, 10. Filter housing, 11. Hollow filter element, 12. Post-filter connecting chamber, 13. Air inlet, 14. First threaded section, 15. Second threaded section, 16. Air inlet, 17. Connecting flange, 18. Valve mounting port, 19. Pressure gauge, 20. Power interface, 21. Speed ​​control switch. Detailed Implementation

[0022] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0023] See Figures 1-6 A preferred embodiment of the present invention provides a portable air purification device, comprising a cylindrical assembly 1 and a filter assembly 2, and a fan assembly 3. The filter assembly 2 and the fan assembly 3 are fixedly installed in the inner cavity of the cylindrical assembly 1 and are interconnected and cooperate with each other. The cylindrical assembly 1 includes an outer frame cylindrical body 4 and a partition 5. The filter assembly 2 and the fan assembly 3 are fixedly installed in the inner cavity of the outer frame cylindrical body 4 and are respectively located on both sides of the partition 5.

[0024] Preferably, the cylinder assembly 1 further includes a front end plate 6 and a rear end plate 7. The front end plate 6 and the rear end plate 7 are detachably and fixedly installed at the front and rear ends of the outer frame cylinder 4, respectively. The front end plate 6, the rear end plate 7, the outer frame cylinder 4 and the partition plate 5 together form a sealed space for accommodating the filter assembly 2 and the fan assembly 3.

[0025] To facilitate the replacement of filter assembly 2, the front end plate 6 and the rear end plate 7 can be detachably and fixedly mounted on the outer frame cylinder 4 using a snap-fit ​​connection.

[0026] Preferably, the partition 5 is fixedly installed on the inner wall of the outer frame cylinder 4, and the partition 5 can divide the inner cavity of the outer frame cylinder 4 into a filter cavity 8 and an exhaust cavity 9. The filter assembly 2 is fixedly installed in the filter cavity 8, and the fan assembly 3 is fixedly installed in the exhaust cavity 9.

[0027] Preferably, the filter assembly 2 is detachably and fixedly mounted on the partition 5, and the fan assembly 3 is fixedly mounted in the exhaust cavity 9, with one end of the fan assembly 3 passing through the partition 5 to communicate with the filter assembly 2.

[0028] Preferably, the filter assembly 2 includes a filter housing 10 and a hollow filter element 11. The hollow filter element 11 is fixedly installed in the inner cavity of the filter housing 10, and the hollow filter element 11 forms a post-filter communication cavity 12 in the inner cavity of the filter housing 10 that communicates with the fan assembly 3.

[0029] The hollow filter element 11 of the filter assembly 2 can be a nuclear-grade circular filter produced by Texas Aiho Filtration Equipment Co., Ltd., while the filter housing 10 can be made of aluminum alloy. This structure not only ensures the reliability of the filter core aerosol, but also greatly reduces the overall weight, thus greatly improving the portability of the entire purification device.

[0030] Preferably, the outer periphery of the filter housing 10 has an air inlet 13 for the hollow filter element 11 to be exposed. The rear end of the filter housing 10 has a first threaded section 14, and the body of the partition 5 has a second threaded section 15. Through the threaded engagement of the first threaded section 14 and the second threaded section 15, the filter assembly 2 can be detachably and fixedly installed on the partition 5. One end of the fan assembly 3 contacts and engages with the first threaded section 14 and is connected to the filter-connected cavity 12.

[0031] Fan assembly 3 can be selected from the mixed flow duct booster fan of Taizhou Dexi Electromechanical Co., Ltd., model HZ-50.

[0032] Preferably, the cylinder assembly 1 has an air inlet 16 on the front end plate 6, and the front end plate 6 has a connecting flange 17 at the front end of the air inlet 16. The cylinder assembly 1 also has a valve body mounting port 18 on the front end plate 6, and the pressure gauge 19 is fixedly mounted on the front end plate 6 through the valve body mounting port 18.

[0033] Preferably, the partition 5 is welded to the inner wall of the outer frame cylinder 4.

[0034] The working principle of this utility model is as follows:

[0035] After air enters the inner cavity of the cylinder assembly 1 through the air inlet 16, as... Figure 5 As shown, after a 270° turn, the air reaches the air inlet 13. The aerosol can be filtered by the hollow filter element 11, and the filtered air can enter the post-filter connecting cavity 12, and then be drawn out by the fan assembly 3. The speed of the booster fan can be adjusted through the power interface 20 and the speed control switch 21 of the fan assembly 3. Figure 6 As shown, the pressure rise curves of the booster fan of the fan assembly 3 at 100%, 90%, 80%, 70%, 60%, and 50% of its design speed as a function of volumetric flow rate and the pressure loss curve of the nuclear filter flow structure as a function of volumetric flow rate are combined to obtain the working characteristic curve of the air purification device.

[0036] Based on the operating characteristic curve, the change in the operating flow rate of the air purifier with the rotation speed can be obtained, as shown in the table below:

[0037]

[0038] Based on the above, and considering the actual usage scenario requirements, under the condition of a certain pressure rise / pressure loss, the rated air volume of the air filter can be appropriately increased or the rated air volume of the booster fan can be reduced, thereby further optimizing the matching characteristics of the air purifier and increasing the stable operating range.

[0039] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A portable air purifier, characterized in that: The assembly includes a cylinder assembly (1) and a filter assembly (2), and also has a fan assembly (3). The filter assembly (2) and the fan assembly (3) are fixedly installed in the inner cavity of the cylinder assembly (1), and the filter assembly (2) and the fan assembly (3) are interconnected and cooperate with each other. The cylinder assembly (1) includes an outer frame cylinder (4) and a partition plate (5). The filter assembly (2) and the fan assembly (3) are fixedly installed in the inner cavity of the outer frame cylinder (4) and are located on both sides of the partition plate (5). The cylinder assembly (1) also includes a front end plate (6) and a rear end plate (7). The front end plate (6) The front end plate (6), the rear end plate (7), the outer frame cylinder (4) and the partition plate (5) are respectively detachably and fixedly installed at the front and rear ends of the outer frame cylinder (4). The front end plate (6), the rear end plate (7), the outer frame cylinder (4) and the partition plate (5) together form a sealed space for accommodating the filter assembly (2) and the fan assembly (3). The partition plate (5) is fixedly installed on the inner wall of the outer frame cylinder (4), and the partition plate (5) can divide the inner cavity of the outer frame cylinder (4) into a filter cavity (8) and an exhaust cavity (9). The filter assembly (2) is fixedly installed in the filter cavity (8), and the fan assembly (3) is fixedly installed in the exhaust cavity (9). The filter assembly (2) includes a filter housing (10) and a hollow filter element (11). The hollow filter element (11) is fixedly installed in the inner cavity of the filter housing (10), and the hollow filter element (11) forms a post-filter communication cavity (12) in the inner cavity of the filter housing (10) that is connected to the fan assembly (3). The outer periphery of the filter housing (10) has an air inlet (13) for the hollow filter element (11) to be exposed. The rear end of the filter housing (10) has a first threaded section (14), and the body of the partition (5) has a second threaded section (15). Through the threaded engagement of the first threaded section (14) and the second threaded section (15), one end of the fan assembly (3) contacts and engages with the first threaded section (14) and is connected to the filter-connected cavity (12).

2. The portable air purifier according to claim 1, characterized in that: The filter assembly (2) is detachably fixed on the partition (5) and one end of the fan assembly (3) passes through the partition (5) to communicate with the filter assembly (2).

3. The portable air purifier according to claim 1, characterized in that: The cylinder assembly (1) has an air inlet (16) on the front end plate (6). The front end plate (6) has a connecting flange (17) at the front end of the air inlet (16). The cylinder assembly (1) also has a valve body mounting port (18) on the front end plate (6). The pressure gauge (19) is fixedly mounted on the front end plate (6) through the valve body mounting port (18).

4. The portable air purifier according to claim 1, characterized in that: The partition (5) is welded to the inner wall of the outer frame cylinder (4).

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