A detachable gas filter device

Abstract

The present disclosure relates to a detachable gas filtering device, which comprises a shell including a cylinder body, the cylinder body being provided with a gas inlet for the gas to be filtered; an outer cylinder assembly, which is erected in the shell through a fixing assembly and comprises an inverted conical shell fixing plate arranged vertically and a first inverted conical shell, a plurality of second inverted conical shells and a third inverted conical shell arranged in sequence from bottom to top, the plurality of second inverted conical shells being installed on the inverted conical shell fixing plate in sequence from bottom to top in a stacked manner, the upper end of the third inverted conical shell being higher than the gas inlet and abutting against the inner wall of the cylinder body; and an inner cylinder assembly, which comprises a plurality of positive conical shells and a positive conical shell fixing plate, a connecting pipe and a tee joint arranged in sequence from bottom to top, the positive conical shell fixing plate being penetrated in the plurality of second inverted conical shells in a vertical direction, the plurality of positive conical shells being installed on the positive conical shell fixing plate in sequence from bottom to top in a stacked manner so that the plurality of positive conical shells form a gas passage for the gas to flow from bottom to top. The device has high filtering efficiency and is convenient to install and detach.

Description

Technical Field

[0001] This disclosure generally relates to the field of chemical equipment technology, and more specifically, to a detachable gas filtration device. Background Technology

[0002] The processes of coking, ironmaking, and steelmaking generate large amounts of gas (such as coal gas). To reduce environmental pollution and improve energy efficiency, it is usually necessary to filter and purify the coal gas to remove water, tar, solid impurities, etc. The treated coal gas can be recycled for use in the production of chemical raw materials, hydrogen production, power generation, and heating. However, existing coal gas filtration devices not only have poor filtration effects and low filtration efficiency, but also involve cumbersome loading and unloading of filter media, complex equipment structures, high manufacturing costs, and difficult installation and disassembly.

[0003] Therefore, how to provide a gas filtration device with good filtration effect, high filtration efficiency, and convenient installation and disassembly is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0004] In view of this, the present disclosure provides a detachable gas filtration device with good filtration effect, high filtration efficiency, and convenient installation and disassembly.

[0005] To achieve the above objectives, this disclosure provides a detachable gas filtration device, comprising: a housing including a cylindrical body with a gas inlet for the gas to be filtered; an outer cylinder assembly mounted within the housing by a fixing assembly, including a vertically placed inverted conical shell fixing plate and a first inverted conical shell, a plurality of second inverted conical shells, and a third inverted conical shell arranged sequentially from bottom to top, wherein the plurality of second inverted conical shells are stacked sequentially on the inverted conical shell fixing plate from bottom to top, and the upper periphery of the third inverted conical shell is higher than the gas inlet and abuts against the inner wall of the cylindrical body; and an inner cylinder assembly including a plurality of positive conical shells. The system includes a conical shell fixing plate, a connecting pipe, and a tee pipe connected sequentially from bottom to top. The conical shell fixing plate is vertically inserted into the plurality of second inverted conical shells. The plurality of conical shells are stacked sequentially from bottom to top on the conical shell fixing plate, forming a gas channel for gas to flow from bottom to top. The gas channel, the connecting pipe, and the vertical pipe of the tee pipe are sequentially connected. The vertical pipe of the tee pipe is connected to the third inverted conical shell through a first reinforcing rib. The upper end of the vertical pipe of the tee pipe is closed. The horizontal pipe of the tee pipe passes through one side of the cylinder and is fixed to that side of the cylinder.

[0006] Optionally, the housing further includes an upper end cap and a lower end cap respectively disposed at the upper and lower ends of the cylinder body. The upper end cap has a manhole that also serves as a feeding port, and the lower end cap has a discharge port. The outer cylinder assembly further includes a cylinder section disposed below the first inverted conical shell. The cylinder section and the first inverted conical shell are located within the lower end cap, and the cylinder section communicates with the discharge port. A baffle and a plurality of lower blocks fixedly connected to the inner wall of the cylinder section are disposed inside the cylinder section. The baffle is supported on the plurality of lower blocks during filtration by the detachable gas filter device. A handle for rotating the baffle is connected to the lower side of the baffle. The baffle has a plurality of notches that are sized to fit the plurality of lower blocks one by one, so that when the packing needs to be discharged, the plurality of notches can be aligned with the plurality of lower blocks one by one by the rotation of the handle, so that the baffle can be disassembled through the discharge port.

[0007] Optionally, the cylindrical section is further provided with a plurality of upper blocks fixedly connected to the inner wall of the cylindrical section, for cooperating with the plurality of lower blocks to clamp the baffle during filtration by the detachable gas filter device.

[0008] Optionally, the inverted conical shell fixing plate and the positive conical shell fixing plate are each provided with a plurality of mounting slots spaced apart in the vertical direction; the upper end of each of the plurality of second inverted conical shells is installed in a corresponding mounting slot of the inverted conical shell fixing plate, and the upper end of each of the plurality of positive conical shells is installed in a corresponding mounting slot of the positive conical shell fixing plate.

[0009] Optionally, there are multiple inverted conical shell fixing plates, and the multiple inverted conical shell fixing plates are evenly distributed outside the multiple second inverted conical shells; there are multiple positive conical shell fixing plates, and the multiple positive conical shell fixing plates are evenly distributed inside the multiple positive conical shells.

[0010] Optionally, the inner cylinder assembly further includes a first connecting plate and a second connecting plate that are cross-connected; there are four positive conical shell fixing plates, with the two ends of the first connecting plate respectively fixedly connected to two opposite positive conical shell fixing plates, and the two ends of the second connecting plate respectively fixedly connected to two other opposite positive conical shell fixing plates.

[0011] Optionally, the fixing assembly includes a support ring plate, a lower support rib plate, an upper support rib plate, and a plurality of second reinforcing ribs, wherein: the plurality of second reinforcing ribs are evenly fixed to the inner wall of the cylinder along the circumferential direction; the support ring plate is fixed to the plurality of second reinforcing ribs; the lower support rib plate is supported on the support ring plate, one end of the lower support rib plate is fixedly connected to the lower part of the inverted conical shell fixing plate, and the other end of the lower support rib plate opposite to the first end of the lower support rib plate abuts against the inner wall of the cylinder; one end of the upper support rib plate is fixedly connected to the upper part of the inverted conical shell fixing plate, and the other end of the upper support rib plate opposite to the first end of the upper support rib plate abuts against the inner wall of the cylinder.

[0012] Optionally, the inner cylinder assembly further includes a conical cap that covers and closes the upper end of the vertical pipe of the tee.

[0013] Optionally, the upper end of the uppermost positive conical shell among the plurality of positive conical shells is located inside the connecting pipe, and the lower end of the lowermost positive conical shell among the plurality of positive conical shells is located inside the first inverted conical shell; the horizontal pipe of the tee pipe is located above the third inverted conical shell.

[0014] Optionally, the positive conical shell is a truncated conical structure with openings at both the top and bottom, and the first inverted conical shell, the second inverted conical shell, and the third inverted conical shell are each an inverted truncated conical structure with openings at both the top and bottom.

[0015] Compared with the prior art, the detachable gas filtration device provided in this disclosure has at least the following advantages:

[0016] (1) The device has a simple and compact overall structure. It forms a multi-layer filtration structure by arranging multiple second inverted cone shells and first inverted cone shells in sequence, resulting in good filtration effect and high filtration efficiency. Furthermore, the entire outer cylinder assembly and inner cylinder assembly are detachably mounted inside the housing, which facilitates installation and disassembly.

[0017] (2) The device has a manhole and feed port on the upper head for adding filter packing; a discharge port is opened on the lower head, and a removable baffle is installed in the cylinder section connected to the discharge port. When the packing needs to be discharged, the baffle in the cylinder section can be removed. Therefore, the device facilitates the addition and discharge of packing.

[0018] (3) The device arranges the cover at the upper end of the vertical pipe of the tee pipe into a conical cap. This conical structure allows the packing to pass through the cap without accumulating on it when the packing is added from above. Therefore, the packing can fall fully without accumulating at the upper end of the vertical pipe, thereby improving the packing efficiency. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of this disclosure, the embodiments of this disclosure will be further explained and described with reference to the following drawings. These drawings are only used to more conveniently and specifically describe the embodiments of this disclosure and are not intended to limit this disclosure. In the drawings:

[0020] Figure 1 This is a schematic diagram of the overall structure of a detachable gas filtration device according to one embodiment of the present disclosure.

[0021] Figure 2 yes Figure 1 AA section view;

[0022] Figure 3 This is a schematic diagram of the outer cylinder assembly of a detachable gas filter device according to one embodiment of the present disclosure;

[0023] Figure 4 yes Figure 3 BB section view;

[0024] Figure 5 This is a schematic diagram of the structure of a baffle of a detachable gas filter device according to one embodiment of the present disclosure;

[0025] Figure 6 This is a bottom view of the baffle of a removable gas filter according to one embodiment of the present disclosure;

[0026] Figure 7 This is a schematic diagram of the structure of the inverted conical shell fixing plate of a detachable gas filter device according to one embodiment of the present disclosure;

[0027] Figure 8 This is a structural schematic diagram of the inner cylinder assembly of a detachable gas filter device according to one embodiment of the present disclosure;

[0028] Figure 9 yes Figure 8 CC section view; and

[0029] Figure 10 This is a schematic diagram of the structure of the positive cone shell fixing plate of a detachable gas filter device according to one embodiment of the present disclosure.

[0030] In the diagram: 1. Lower end cap; 2. Second reinforcing rib; 3. Support ring plate; 4. Outer cylinder assembly; 5. Lug support; 6. First reinforcing rib; 7. Cylinder body; 8. Inner cylinder assembly; 9. Lower flange; 10. Stud; 11. Nut; 12. Gasket; 13. Upper end cap; 14. Lifting lug; 15. Upper flange; 16. Handle; 17. Lower stop block; 18. Baffle plate; 19. Upper stop block; 20. Cylinder section; 21. First inverted conical shell; 22. Lower support rib plate; 23. Inverted conical shell fixing plate; 23A. Mounting groove; 2 4. Second inverted conical shell; 25. Upper support rib plate; 26. Third inverted conical shell; 27. Positive conical shell; 28. Positive conical shell fixing plate; 28A. Mounting groove; 29. ​​Connecting pipe; 30. T-joint pipe; 31. Conical cap; 32. First connecting plate; 32A. First sub-connecting plate; 32B. Second sub-connecting plate; 33. Second connecting plate; 34. Gas passage; 35. Notch; N1. Gas inlet; N2. Gas outlet; N3. Manhole / feed port; N4. Discharge port; N5. Drain port; N6. Exhaust port. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, specific embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. These embodiments are provided by way of example only. Obviously, the described embodiments are only a part of the embodiments of this disclosure, and not all of them. Based on the described embodiments of this disclosure, all other embodiments obtained by those skilled in the art without inventive effort are also within the scope of protection claimed by this disclosure.

[0032] In the description of this disclosure, it should be noted that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0033] In the description of this disclosure, unless otherwise expressly specified and limited, the terms "set," "install," "connect," "link," "fix," etc., should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; a mechanical connection; a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features.

[0034] One embodiment of this disclosure provides a detachable gas filtration device. (See reference...) Figures 1-10 The detachable gas filter includes a housing, an outer cylinder assembly 4, and an inner cylinder assembly 8. The housing includes a cylinder 7, which has a gas inlet N1 for the gas to be filtered to enter.

[0035] The outer cylinder assembly 4 is mounted inside the housing via a fixing assembly, and as... Figure 1 , Figure 3 and Figure 4 As shown, the outer cylinder assembly 4 includes a vertically placed inverted conical shell fixing plate 23 and a first inverted conical shell 21, a plurality of second inverted conical shells 24, and a third inverted conical shell 26 arranged sequentially from bottom to top. The plurality of second inverted conical shells 24 are stacked sequentially on the inverted conical shell fixing plate 23 from bottom to top. The upper periphery of the third inverted conical shell 26 is higher than the gas inlet N1 and abuts against the inner wall of the cylinder 7, so that the gas to be filtered entering the cylinder 7 from the gas inlet N1 rises to the third inverted conical shell 26 and is blocked by the third inverted conical shell 26 to be deflected and flow downward sequentially through the packing in the plurality of second inverted conical shells 24 and the first inverted conical shell 21, thereby being filtered; thus, to ensure that the rising gas to be filtered is fully (e.g., completely) filtered. The outer cylinder assembly 4 is blocked by the third inverted conical shell 26 and needs to be retracted. This requires that there be virtually no gap between the upper periphery of the third inverted conical shell 26 and the inner wall of the cylinder 7. Therefore, the outer diameter of the upper periphery of the third inverted conical shell 26 can be made to be substantially the same as the diameter of the inner wall of the cylinder 7 so that the upper periphery of the third inverted conical shell 26 can tightly abut against the inner wall of the cylinder 7. Alternatively, to completely eliminate the gap between the upper periphery of the third inverted conical shell 26 and the inner wall of the cylinder 7, the upper periphery of the third inverted conical shell 26 can be welded to the inner wall of the cylinder 7. Subsequently, when the outer cylinder assembly 4 needs to be disassembled, a disassembly tool (e.g., a knife) can be used to remove the weld metal at the weld between the upper periphery of the third inverted conical shell 26 and the inner wall of the cylinder 7.

[0036] Continue to refer to Figure 3The lower end of the lowermost second inverted conical shell 24 among the plurality of second inverted conical shells 24 is fixedly connected (e.g., welded) to the upper end of the first inverted conical shell 21. The uppermost of the uppermost inverted conical shell 24 among a plurality of second inverted conical shells 24 is fixedly connected (e.g., welded) to the lower end of the third inverted conical shell 26. It should be noted that when the upper end of the uppermost second inverted conical shell 24 is connected to the lower end of the third inverted conical shell 26, if the upper part of the inverted conical shell fixing plate 23 is too long and contacts the third inverted conical shell 26, this will prevent the lower end of the third inverted conical shell 26 from contacting the upper end of the uppermost second inverted conical shell 24, thus affecting the connection between the two. In order not to affect the connection between the upper end of the uppermost second inverted conical shell 24 and the lower end of the third inverted conical shell 26, a perforation can be made in the part of the third inverted conical shell 26 that contacts the upper part of the inverted conical shell fixing plate 23, so that the excessively long upper part of the inverted conical shell fixing plate 23 just penetrates the third inverted conical shell 26. This ensures that the lower end of the third inverted conical shell 26 contacts the upper end of the uppermost second inverted conical shell 24, and then the two are welded.

[0037] like Figure 8 As shown, the inner cylinder assembly 8 includes multiple conical shells 27 and a conical shell fixing plate 28, a connecting pipe 29, and a three-way pipe 30 connected sequentially from bottom to top. The conical shell fixing plate 28 is vertically inserted into multiple second inverted conical shells 24. The multiple conical shells 27 are stacked sequentially on the conical shell fixing plate 28 from bottom to top, forming a gas channel 34 for gas to flow from bottom to top. The gas channel 34, the connecting pipe 29, and the vertical pipe of the three-way pipe 30 are connected sequentially. The vertical pipe of the three-way pipe 30 is connected to the third inverted conical shell 26 via a first reinforcing rib 6 (e.g., fixed connection, such as welding). The upper end of the vertical pipe of the three-way pipe 30 is closed, and the horizontal pipe of the three-way pipe 30 passes through one side of the cylinder 7 and is fixed to that side of the cylinder 7. Preferably, the horizontal pipe of the three-way pipe 30 is connected to the gas outlet N2 after one side of the cylinder 7 to facilitate the smooth discharge of filtered gas to the recycling facility.

[0038] In a preferred embodiment of this disclosure, such as Figure 1As shown, the housing also includes an upper end cap 13 and a lower end cap 1, respectively disposed at the upper and lower ends of the cylinder 7. The lower end of the upper end cap 13 is provided with an upper flange 15, and the upper end of the cylinder 7 is provided with a lower flange 9 adapted to the upper flange 15. The upper flange 15 and the lower flange 9 are connected in a conventional manner by fasteners, including, for example, studs 10, nuts 11, and washers 12. The upper end cap 13 has a manhole / feed port N3 and an exhaust port N6. Packing material (i.e., filter media, such as activated carbon or other materials used for gas filtration) is added through the manhole / feed port N3, and gas, for example, that is contained within the housing before packing is added is discharged through the exhaust port N6. The upper end cap 13 is also provided with lifting lugs 14 on its outer side, and the cylinder 7 has lug supports 5 on its two opposite outer sides, allowing the detachable gas filtration device to be lifted and stably placed on the equipment frame via the lug supports 5 for filtration operations.

[0039] The lower head 1 has a discharge port N4 for discharging packing material and a drain port N5 for discharging liquid. The outer cylinder assembly 4 also includes a cylinder section 20 disposed below the first inverted conical shell 21. The cylinder section 20 and the first inverted conical shell 21 are located in the lower head 1, and the cylinder section 20 is connected to the discharge port N4. Figure 5 and Figure 6 As shown, a baffle 18 and multiple lower blocks 17 fixedly connected (e.g., welded) to the inner wall of the cylindrical section 20 are provided inside the cylindrical section 20. The baffle 18 is supported on the multiple lower blocks 17 during filtration in this detachable gas filter device. A handle 16 for rotating the baffle 18 is connected to the lower side of the baffle 18. The baffle 18 has multiple notches 35 that are sized to fit the multiple lower blocks 17 one by one. For example, the size of the notches 35 is slightly larger than the size of the corresponding lower blocks 17, so that when the handle 16 is rotated, the multiple notches 35 can be aligned with the multiple lower blocks 17 one by one when the packing needs to be discharged (e.g., ...). Figure 6As shown, since the size of the notch 35 is slightly larger than the size of the corresponding lower stop 17, pulling down the handle 16 allows the notch 35 to slide past the lower stop 17, thereby allowing the baffle 18 to pass through the outlet N4 and be removed. Thus, during filtration in this detachable gas filter, the baffle 18 is supported on multiple lower stops 17 to prevent packing leakage; when packing needs to be discharged, rotating the handle 16 rotates the baffle 18 so that each notch 35 is above and aligned with its corresponding lower stop 17. Since the size of the notch 35 is slightly larger than the size of the corresponding lower stop 17, pulling down the handle 16 allows each notch 35 to slide past its corresponding lower stop 17, thereby removing the baffle 18 to facilitate packing discharge. When adding packing again, the baffle 18 is fed into the cylinder section 20 through the outlet N4 and positioned above the lower stop block 17. At this point, as long as the notch 35 is not aligned with the corresponding lower stop block 17, the baffle 18 will be supported on the lower stop block 17. It should also be noted that since the size of the notch 35 is generally smaller than the size of the packing, when the baffle 18 is supported on the lower stop block 17, the packing will not, or will almost not, leak out through the notch 35.

[0040] In a preferred embodiment of this disclosure, the gas inlet N1, gas outlet N2, manhole / feed port N3, discharge port N4, liquid outlet N5, and exhaust port N6 described above can be opened and closed in a conventional manner in the art, and can be arranged in a conventional manner in the art, for example, as shown in Table 1 below, but not limited thereto.

[0041] Table 1: Pipe Nozzle Table

[0042] N1 HG / T20592(WN) RF Gas Inlet N2 HG / T20592(WN) RF Gas outlet N3 HG / T21524 RF Manhole also serves as a feed port N4 HG / T20592(WN) RF discharge port N5 HG / T20592(WN) RF drain port N6 HG / T20592(WN) RF exhaust port

[0043] In a preferred embodiment of this disclosure, such as Figure 5 and Figure 6 As shown, the cylindrical section 20 is also provided with a plurality of upper blocks 19 fixedly connected (e.g., welded) to the inner wall of the cylindrical section 20, for use in cooperating with a plurality of lower blocks 17 to clamp the baffle 18 during filtration by the removable gas filter device.

[0044] In a preferred embodiment of this disclosure, such as Figure 3 and Figure 7 as well as Figure 8 and Figure 10As shown, the inverted conical shell fixing plate 23 and the positive conical shell fixing plate 28 each have multiple mounting slots spaced apart in the vertical direction; the upper end of each of the multiple second inverted conical shells 24 is installed in a corresponding mounting slot 23A of the inverted conical shell fixing plate 23, and the upper end of each of the multiple positive conical shells 27 is installed in a corresponding mounting slot 28A of the positive conical shell fixing plate 28. Mounting slots 23A and 28A can both be wedge-shaped slots; the mounting method of the conical shells in the mounting slots can be by clamping (i.e., clamping the conical shells in the mounting slots), or by welding after clamping to further improve the firmness.

[0045] In a preferred embodiment of this disclosure, such as Figure 4 and Figure 9 As shown, there are multiple inverted conical shell fixing plates 23, and the multiple inverted conical shell fixing plates 23 are evenly distributed on the outside of multiple second inverted conical shells 24; there are multiple positive conical shell fixing plates 28, and the multiple positive conical shell fixing plates 28 are evenly distributed inside multiple positive conical shells 27.

[0046] In a preferred embodiment of this disclosure, such as Figure 2 and Figure 9 As shown, the inner cylinder assembly 8 also includes a first connecting plate 32 and a second connecting plate 33 that are cross-connected; there are four conical shell fixing plates 28, with the two ends of the first connecting plate 32 respectively fixedly connected (e.g., welded) to two opposite conical shell fixing plates 28, and the two ends of the second connecting plate 33 respectively fixedly connected (e.g., welded) to two other opposite conical shell fixing plates 28. Preferably, as Figure 9 As shown, the first connecting plate 32 may include a first sub-connecting plate 32A and a second sub-connecting plate 32B, wherein one end of the first sub-connecting plate 32A and one end of the second sub-connecting plate 32B are respectively connected to the two sides of the second connecting plate 33, and the other end of the first sub-connecting plate 32A and the other end of the second sub-connecting plate 32B are respectively connected to two opposite positive conical shell fixing plates 28.

[0047] In a preferred embodiment of this disclosure, such as Figure 1 and Figure 2As shown, the fixing assembly includes a support ring plate 3, a lower support rib plate 22, an upper support rib plate 25, and a plurality of second reinforcing ribs 2, wherein: the plurality of second reinforcing ribs 2 are evenly fixed to the inner wall of the cylinder 7 at circumferential intervals; the support ring plate 3 (e.g., circumferentially within the cylinder 7) is fixed to the plurality of second reinforcing ribs 2; the lower support rib plate 22 is supported on the support ring plate 3, one end of the lower support rib plate 22 is fixedly connected (e.g., welded) to the lower part of the inverted conical shell fixing plate 23, and the other end of the lower support rib plate 22 opposite to one end of the lower support rib plate 22 abuts against the inner wall of the cylinder 7; one end of the upper support rib plate 25 is fixedly connected (e.g., welded) to the upper part of the inverted conical shell fixing plate 23, and the other end of the upper support rib plate 25 opposite to one end of the upper support rib plate 25 abuts against the inner wall of the cylinder 7. Preferably, the number and arrangement of the above-mentioned plates are as follows: Figure 2 As shown, there are four conical shell fixing plates 28, evenly distributed along the circumference; six first reinforcing ribs 6, evenly distributed along the circumference; eight lower supporting ribs 22, evenly distributed along the circumference; eight second reinforcing ribs 2, evenly distributed along the circumference; and eight upper supporting ribs 25, evenly distributed along the circumference.

[0048] In a preferred embodiment of this disclosure, such as Figure 8 As shown, the inner cylinder assembly 8 also includes a conical cap 31, which covers and closes the upper end of the vertical pipe of the tee pipe 30. The conical cap 31 makes it possible for the packing to fall quickly from the cap 31 when it is added from above without accumulating on it. Therefore, the packing can fall fully without accumulating at the upper end of the vertical pipe, thereby improving the packing efficiency.

[0049] In a preferred embodiment of this disclosure, the uppermost of the plurality of conical shells 27 is located within the connector 29, allowing the filtered gas in the gas channel 34 to flow sufficiently into the connector 29. The lowermost of the plurality of conical shells 27 is located within the first inverted conical shell 21, causing the gas channel 34 to extend into the first inverted conical shell 21, thus facilitating the smooth flow of filtered gas from the packing in the first inverted conical shell 21 into the gas channel 34. The horizontal tube of the tee pipe 30 is located above the third inverted conical shell 26.

[0050] In a preferred embodiment of this disclosure, the positive conical shell 27 is a truncated cone structure with openings at both the top and bottom, and the first inverted conical shell 21, the second inverted conical shell 24, and the third inverted conical shell 26 are each an inverted truncated cone structure with openings at both the top and bottom. Furthermore, the conical shells in this disclosure (whether positive conical shell 27, or the first inverted conical shell 21, the second inverted conical shell 24, and the third inverted conical shell 26, etc.) can all be formed by rolling sheet metal or sheet metal (e.g., metal sheet or sheet metal (such as steel sheet or sheet metal)), for example, by rolling sheet metal or sheet metal into a hollow truncated cone or inverted truncated cone structure with openings at both the top and bottom. Preferably, in the outer cylinder assembly 4 and the inner cylinder assembly 8, the centers of the plurality of second inverted conical shells 24 and the centers of the plurality of positive conical shells 27 are each located on the same longitudinal axis.

[0051] In a preferred embodiment of this disclosure, the gas to be filtered is coal gas, but it is not limited thereto. The detachable gas filter can be used to filter other waste gases or mixed gases in the production process in the art.

[0052] When using the detachable gas filtration device according to one embodiment of this disclosure, firstly, the manhole / feed port N3 is opened, and packing material is added into the housing through the manhole / feed port N3. The packing material falls and passes sequentially through the third inverted cone shell 26, multiple second inverted cone shells 24, and the first inverted cone shell 21, and then accumulates sequentially in the first inverted cone shell 21 and multiple second inverted cone shells 24. When the first inverted cone shell 21 and multiple second inverted cone shells 24 are both filled with packing material, the manhole / feed port N3 is closed. Next, the gas inlet N1 is opened, and the gas to be filtered is passed through the gas inlet / feed port N1. The gas is filled into the cylinder 7 through the inlet N1. The gas to be filtered gradually rises and is blocked by the third inverted cone shell 26 when it reaches the third inverted cone shell 26. It then flows downward through the packing material in the multiple second inverted cone shells 24 and the first inverted cone shell 21, thus being filtered layer by layer. After being filtered by the packing material in the first inverted cone shell 21, the filtered gas will gradually flow upward through the gas channel 34 extending into the first inverted cone shell 21, and will flow through the pipe 29, the three-way pipe 30 and the gas outlet N2 in sequence before being discharged for recycling.

[0053] It should be understood that the accompanying drawings in the embodiments of this disclosure only relate to structures relevant to the embodiments of this disclosure, while other structures can be referenced to conventional designs. The devices and / or structures in the various embodiments provided in this disclosure can be combined, modified, and / or changed to form new technical solutions. Without inventive effort, these technical solutions should also be included within the scope of protection claimed in this disclosure.

[0054] It should be understood that the specific examples provided in the embodiments described herein are for the purpose of illustrating the embodiments of this disclosure in detail and are not intended to limit the scope of this disclosure. The embodiments in this disclosure can be practiced without these specific examples. In some embodiments, structures and / or techniques well known to those skilled in the art have not been shown in detail so as not to obscure the understanding of this disclosure.

[0055] While preferred embodiments of the present disclosure have been shown and described herein, it will be readily understood by those skilled in the art that these embodiments are provided by way of example only. Various variations, modifications, and substitutions will occur to those skilled in the art without departing from the present disclosure. It should be understood that various alternatives to the embodiments of the present disclosure described herein are optionally used to implement the present disclosure. The scope of the present disclosure is intended to be defined by the appended claims, and thereby covers apparatuses, structures, and their equivalents within the scope of those claims.

Claims

1. A detachable gas filtration device, characterized in that, include: The housing includes a cylindrical body (7) having a gas inlet (N1) for the gas to be filtered to enter. The outer cylinder assembly (4) is mounted inside the housing by a fixing assembly and includes a vertically placed inverted conical shell fixing plate (23) and a first inverted conical shell (21), a plurality of second inverted conical shells (24), and a third inverted conical shell (26) arranged sequentially from bottom to top. Each of the first inverted conical shell (21), the second inverted conical shell (24), and the third inverted conical shell (26) is an inverted truncated cone structure with openings at both the top and bottom. The plurality of second inverted conical shells (24) are stacked sequentially on the inverted conical shell fixing plate (23) from bottom to top. The upper periphery of the third inverted conical shell (26) is higher than the gas inlet (N1) and abuts against the inner wall of the cylinder (7). The inner cylinder assembly (8) includes multiple conical shells (27) and a conical shell fixing plate (28), a connecting pipe (29), and a tee pipe (30) connected sequentially from bottom to top. The conical shell (27) is a truncated cone structure with open top and bottom ends. The conical shell fixing plate (28) is vertically inserted into the multiple second inverted conical shells (24). The multiple conical shells (27) are stacked sequentially from bottom to top on the conical shell fixing plate (28) so that the multiple conical shells... The shell (27) forms a gas channel (34) for gas to flow from bottom to top. The gas channel (34), the connecting pipe (29) and the vertical pipe of the three-way pipe (30) are connected in sequence. The vertical pipe of the three-way pipe (30) is connected to the third inverted conical shell (26) through the first reinforcing rib (6). The upper end of the vertical pipe of the three-way pipe (30) is closed. The horizontal pipe of the three-way pipe (30) passes through one side of the cylinder (7) and is fixed to the side of the cylinder (7).

2. The detachable gas filtration device according to claim 1, characterized in that, The shell also includes an upper end cap (13) and a lower end cap (1) respectively disposed at the upper and lower ends of the cylinder (7). The upper end cap (13) has a manhole and a feeding port (N3), and the lower end cap (1) has a discharge port (N4). The outer cylinder assembly (4) further includes a cylinder section (20) arranged below the first inverted conical shell (21), the cylinder section (20) and the first inverted conical shell (21) being located in the lower end cap (1), and the cylinder section (20) being connected to the discharge port (N4); The cylindrical section (20) is provided with a baffle (18) and a plurality of lower blocks (17) fixedly connected to the inner wall of the cylindrical section (20). The baffle (18) is supported on the plurality of lower blocks (17) during the filtration of the removable gas filter device. The lower side of the baffle (18) is connected to a handle (16) for rotating the baffle (18). The baffle (18) has multiple notches (35) that are adapted to the size of the multiple lower blocks (17) one by one. When the handle (16) is rotated, the multiple notches (35) can be aligned with the multiple lower blocks (17) one by one when the filler needs to be discharged, so that the baffle (18) can be removed through the discharge port (N4).

3. The detachable gas filtration device according to claim 2, characterized in that, The cylindrical section (20) is also provided with a plurality of upper blocks (19) fixedly connected to the inner wall of the cylindrical section (20) for cooperating with the plurality of lower blocks (17) to clamp the baffle (18) during the filtration of the detachable gas filter device.

4. The detachable gas filtration device according to claim 1, characterized in that, The inverted conical shell fixing plate (23) and the positive conical shell fixing plate (28) are each provided with multiple mounting grooves spaced apart in the vertical direction; The upper end of each of the plurality of second inverted conical shells (24) is installed in a corresponding mounting slot of the inverted conical shell fixing plate (23), and the upper end of each of the plurality of positive conical shells (27) is installed in a corresponding mounting slot of the positive conical shell fixing plate (28).

5. The detachable gas filtration device according to claim 4, characterized in that, There are multiple inverted conical shell fixing plates (23), and the multiple inverted conical shell fixing plates (23) are evenly distributed on the outside of the multiple second inverted conical shells (24); There are multiple positive conical shell fixing plates (28), and the multiple positive conical shell fixing plates (28) are evenly distributed inside the multiple positive conical shells (27).

6. The detachable gas filtration device according to claim 5, characterized in that, The inner cylinder assembly (8) also includes a first connecting plate (32) and a second connecting plate (33) that are cross-connected. There are four positive conical shell fixing plates (28). The two ends of the first connecting plate (32) are fixedly connected to two opposite positive conical shell fixing plates (28), and the two ends of the second connecting plate (33) are fixedly connected to two other opposite positive conical shell fixing plates (28).

7. The detachable gas filtration device according to claim 1, characterized in that, The fixing assembly includes a support ring plate (3), a lower support rib plate (22), an upper support rib plate (25), and a plurality of second reinforcing ribs (2), wherein: The plurality of second reinforcing ribs (2) are fixed to the inner wall of the cylinder (7) at uniform intervals along the circumference; The support ring plate (3) is fixed on the plurality of second reinforcing ribs (2); The lower support rib (22) is supported on the support ring plate (3). One end of the lower support rib (22) is fixedly connected to the lower part of the inverted conical shell fixing plate (23). The other end of the lower support rib (22) opposite to one end of the lower support rib (22) abuts against the inner wall of the cylinder (7). One end of the upper support rib (25) is fixedly connected to the upper part of the inverted conical shell fixing plate (23), and the other end of the upper support rib (25) opposite to one end of the upper support rib (25) abuts against the inner wall of the cylinder (7).

8. The detachable gas filtration device according to claim 1, characterized in that, The inner cylinder assembly (8) also includes a conical cap (31) that covers and closes the upper end of the vertical pipe of the tee pipe (30).

9. The detachable gas filtration device according to claim 1, characterized in that, The uppermost positive conical shell (27) among the plurality of positive conical shells (27) is located inside the tube (29), and the lowermost positive conical shell (27) among the plurality of positive conical shells (27) is located inside the first inverted conical shell (21). The horizontal tube of the tee (30) is located above the third inverted conical shell (26).

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