Special fiber membrane contactor for flue gas purification

Abstract

The utility model discloses a special fiber membrane contactor for flue gas purification, which belongs to the technical field of flue gas purification, and is characterized in that the special fiber membrane contactor comprises two contactor shells and a fixing frame, two fiber membrane filter elements and an activated carbon filter element are arranged in the contactor shells, and a limiting mechanism is arranged at the top of the fixing frame; the limiting mechanism comprises two limiting buttons, a limiting clamp and a first clamping groove, the first clamping groove is formed in the fixing frame, the bottom of the limiting clamp makes contact with the top of the fixing frame, and the bottoms of the limiting buttons penetrate through the limiting clamp and are in threaded connection with the interior of the fixing frame; the problems that in most existing fiber membrane contact structures for purifying smoke, when an internal fiber membrane filter element is replaced, the internal fiber membrane filter element needs to be disassembled by screwing a plurality of screws with the help of a tool, alignment is also needed when the internal fiber membrane filter element is installed again, the efficiency of replacing the fiber membrane filter element is low, and the using effect is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas purification, in particular to a fiber membrane contactor special for flue gas purification. Background Art

[0002] Flue gas is a mixture of gas and smoke, and is the main cause of air pollution in residential areas. The composition of flue gas is very complex. The gas includes water vapor, sulfur dioxide, nitrogen, oxygen, carbon monoxide, carbon dioxide, hydrocarbons and nitrogen oxides, etc. The smoke includes fuel ash, coal particles, oil droplets and high-temperature cracking products.

[0003] At present, a Chinese patent with announcement number CN214182575U discloses a hollow fiber membrane contactor, wherein a first end cover pipe and a second end cover pipe are arranged on the end cover, a central tube and hollow fiber membrane filaments are arranged along the inside of the cylinder, a guide plate and a middle partition are arranged on the hollow fiber membrane filaments, a partition is arranged on the central tube, the first end cover pipe is connected with the central tube and then connected with the hollow fiber membrane filaments, the second end cover pipe is connected with the internal cavity formed by the end cover and then connected with the hollow fiber membrane filaments. The hollow fiber membrane contactor provided by the utility model has uniformly distributed membrane filaments, the tank sealing glue isolates the inner and outer wall fluids of the hollow fiber membrane filaments, the flow channel outside the membrane filaments is divided into three-dimensional uniform spaces along the circumferential, radial and length directions, the flow is more uniform, the flow direction is perpendicular to the membrane filaments, the speed is fast, the actual available effective membrane area is increased, the mass transfer efficiency is greatly improved, it is easier to wash away dirt, the membrane filaments are more resistant to pollution, the pollution resistance is high, the end cover, the cylinder, and the membrane core are sealed or bonded and pressed, the service life is extended, and it has broad application prospects.

[0004] Since flue gas contains a lot of harmful substances, a fiber membrane contactor is needed to make the flue gas contact with the fiber membrane filter element to filter and purify the harmful substances in the flue gas. Most of the existing fiber membrane contact structures for purifying flue gas require the use of tools to unscrew a lot of screws to disassemble when replacing the internal fiber membrane filter element, and alignment is also required when reinstalling, resulting in low efficiency in replacing the fiber membrane filter element. Utility Model Content

[0005] The utility model provides a fiber membrane contactor specially used for flue gas purification, aiming to solve the problem that most of the existing fiber membrane contact structures for flue gas purification need to use tools to unscrew a large number of screws for disassembly when replacing the internal fiber membrane filter element, and also need to be aligned when reinstalling, resulting in low efficiency in replacing the fiber membrane filter element, thus affecting the use effect.

[0006] The utility model is realized in this way: a fiber membrane contactor for flue gas purification comprises two contactor shells and a fixing frame, two fiber membrane filter elements and an activated carbon filter element are arranged inside the contactor shell, and a limiting mechanism is arranged on the top of the fixing frame;

[0007] The limiting mechanism includes two limiting buttons, a limiting card and a first card slot, wherein the first card slot is opened inside the fixing frame, the bottom of the limiting card contacts the top of the fixing frame, and the bottom of the limiting button passes through the limiting card and is connected to the internal thread of the fixing frame.

[0008] In order to facilitate the pulling of the limit card, as a preferred fiber membrane contactor dedicated to flue gas purification of the utility model, a second card slot is opened inside the limit card, and a pull ring is fixedly connected to the top of the limit card.

[0009] In order to achieve the effect of connecting the two contactor shells together, as a preferred fiber membrane contactor dedicated to flue gas purification of the utility model, the surfaces of the two contactor shells are fixedly connected with limiting rings, the opposite sides of the two limiting rings are fixedly connected with sealing gaskets, the opposite sides of the two sealing gaskets are in contact, and the first groove and the second groove are in close contact with the surface of the limiting ring.

[0010] In order to achieve the effect of conveniently taking out the fiber membrane filter element and the activated carbon filter element from the inside of the contactor housing at the same time, as a preferred fiber membrane contactor dedicated to flue gas purification of the utility model, the interior of the contactor housing is movably provided with an inner liner, the fiber membrane filter element and the activated carbon filter element are movably provided inside the inner liner, and the inner wall of the inner liner is fixedly connected with a breathable net.

[0011] In order to prevent the contactor shell from rotating, as a preferred fiber membrane contactor dedicated to flue gas purification of the utility model, the bottom of the contactor shell is fixedly connected to a limiting block, the front and rear sides of the fixed frame are fixedly connected to a limiting plate, and the surface of the limiting block is in contact with the inner wall of the limiting plate.

[0012] In order to facilitate the installation of the fixing frame, as a preferred fiber membrane contactor dedicated to flue gas purification of the utility model, both sides of the front and rear sides of the fixing frame are fixedly connected with mounting frames, and mounting holes are opened inside the mounting frame.

[0013] In order to facilitate the flue gas to enter and exit the contactor shell, as a preferred fiber membrane contactor dedicated to flue gas purification of the utility model, the front side of the front contactor shell is fixedly connected to an air inlet pipe, and the rear side of the rear contactor shell is fixedly connected to an exhaust pipe.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The fiber membrane contactor specially used for flue gas purification is installed by moving two limit rings to the inside of the first card slot. After the flue gas contacts and filters the fiber membrane filter element and the activated carbon filter element in the inner tank and is discharged, when the fiber membrane filter element and the activated carbon filter element in the inner tank need to be replaced, it is not necessary to remove many screws with the help of tools. It is only necessary to manually rotate the limit button to remove the limit button, and then pull the limit card upward, and then pull the two contactor shells upward to make the limit rings disengage from the inner wall of the first card slot, so that the two contactor shells can be separated, and the inner tank can be taken out to replace the fiber membrane filter element and the activated carbon filter element in the inner tank. When the contactor shell is installed again, the two limit rings are inserted into the first card slot in turn, and then the limit button is connected and locked with the internal thread of the fixing frame through the limit card, so that the two contactor shells can be connected again, avoiding the problem that most of the existing fiber membrane contact structures for flue gas purification need to use tools to twist many screws to disassemble when replacing the internal fiber membrane filter element, and also need to be aligned when reinstalled, resulting in low efficiency in replacing the fiber membrane filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall structure diagram of the fiber membrane contactor dedicated for flue gas purification of the utility model;

[0017] Figure 2 It is a three-dimensional exploded schematic diagram of the limit card and the fixing frame in the utility model;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the bottom of the limit card in the utility model;

[0019] Figure 4 It is a three-dimensional exploded schematic diagram of the front contactor housing and the rear contactor housing in the utility model;

[0020] Figure 5 It is a three-dimensional exploded schematic diagram of the inner tank, the fiber membrane filter element and the activated carbon filter element in the utility model;

[0021] Figure 6 It is a schematic diagram of the three-dimensional structure of the rear side of the inner container in the utility model;

[0022] Figure 7 It is a schematic diagram of the three-dimensional structure of the bottom of the contactor housing in the utility model.

[0023] In the figure, 1. contactor housing; 2. air inlet pipe; 3. mounting bracket; 4. fixing bracket; 5. limiting mechanism; 501. limiting button; 502. limiting card; 503. first card slot; 6. exhaust pipe; 7. pull ring; 8. mounting hole; 9. limiting plate; 10. second card slot; 11. sealing gasket; 12. limiting ring; 13. liner; 14. activated carbon filter element; 15. fiber membrane filter element; 16. breathable net; 17. limiting block. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0026] See also Figure 1-7 The utility model provides a technical solution: a fiber membrane contactor for flue gas purification, comprising two contactor housings 1 and a fixing frame 4, two fiber membrane filter elements 15 and an activated carbon filter element 14 are arranged inside the contactor housing 1, and a limiting mechanism 5 is arranged on the top of the fixing frame 4;

[0027] The limiting mechanism 5 includes two limiting buttons 501, a limiting card 502 and a first card slot 503. The first card slot 503 is opened inside the fixing frame 4. The bottom of the limiting card 502 contacts the top of the fixing frame 4. The bottom of the limiting button 501 passes through the limiting card 502 and is connected to the internal thread of the fixing frame 4.

[0028] In this embodiment: after the installation is completed by moving the two limiting rings 12 to the inside of the first card slot 503, the smoke contacts the fiber membrane filter element 15 and the activated carbon filter element 14 in the inner tank 13 and is filtered and discharged, when it is necessary to replace the fiber membrane filter element 15 and the activated carbon filter element 14 in the inner tank 13, it is not necessary to remove many screws with the help of tools. It is only necessary to manually turn the limiting button 501 to remove the limiting button 501, and then pull the limiting card 502 upward, and then pull the two contactor shells 1 upward to make the limiting rings 12 disengage from the inner wall of the first card slot 503, so that the two contactor shells 1 can be separated, and the inner tank can be replaced. 13 is taken out to replace the fiber membrane filter element 15 and the activated carbon filter element 14 inside the inner tank 13. When the contactor housing 1 is installed again, the two limit rings 12 are inserted into the first card slot 503 in sequence, and then the limit button 501 is passed through the limit card 502 to connect with the internal thread of the fixing frame 4 and locked, so that the two contactor housings 1 can be connected again, avoiding the problem that most of the existing fiber membrane contact structures for purifying flue gas need to use tools to unscrew more screws for disassembly when replacing the internal fiber membrane filter element 15, and alignment is also required when reinstalling, resulting in low efficiency in replacing the fiber membrane filter element 15.

[0029] As a technical optimization solution of the present invention, a second card slot 10 is provided inside the limiting card 502 , and a pull ring 7 is fixedly connected to the top of the limiting card 502 .

[0030] In this embodiment, the limit card 502 can be conveniently pulled by holding the pull ring 7, thereby achieving the effect of conveniently pulling the limit card 502.

[0031] As a technical optimization solution of the utility model, the surfaces of the two contactor housings 1 are fixedly connected to the limiting rings 12, and the opposite sides of the two limiting rings 12 are fixedly connected to the sealing gaskets 11, the opposite sides of the two sealing gaskets 11 are in contact with each other, and the first slot 503 and the second slot 10 are in close contact with the surface of the limiting ring 12.

[0032] In this embodiment, by inserting two limit blocks 17 into the first slot 503 in sequence, the two sealing pads 11 are in close contact with each other, and the two contactor housings 1 can be connected together, thereby achieving the effect of connecting the two contactor housings 1 together.

[0033] As a technical optimization solution of the utility model, an inner liner 13 is movably arranged inside the contactor housing 1, a fiber membrane filter element 15 and an activated carbon filter element 14 are movably arranged inside the inner liner 13, and an air permeable net 16 is fixedly connected to the inner wall of the inner liner 13.

[0034] In this embodiment: after opening the contactor housing 1, the inner tank 13 can be pulled out of the contactor housing 1, and the fiber membrane filter element 15 and the activated carbon filter element 14 can be taken out from the inside of the contactor housing 1 at the same time, thereby achieving the effect of conveniently taking out the fiber membrane filter element 15 and the activated carbon filter element 14 from the inside of the contactor housing 1 at the same time.

[0035] As a technical optimization solution of the utility model, the bottom of the contactor housing 1 is fixedly connected to a limiting block 17, the front and rear sides of the fixing frame 4 are fixedly connected to a limiting plate 9, and the surface of the limiting block 17 contacts the inner wall of the limiting plate 9.

[0036] In this embodiment, by inserting two limiting rings 12 into the first slot 503 in sequence, the limiting block 17 is inserted into the limiting plate 9, thereby preventing the contactor housing 1 from rotating, thereby achieving the effect of preventing the contactor housing 1 from rotating.

[0037] As a technical optimization solution of the present invention, both sides of the front and rear sides of the fixing frame 4 are fixedly connected with the mounting frame 3 , and the interior of the mounting frame 3 is provided with a mounting hole 8 .

[0038] In this embodiment, the contactor housing 1 can be fixedly installed by passing an external bolt through the mounting hole 8 and threading the external bolt to the mounting position, thereby achieving the effect of facilitating the installation of the fixing frame 4.

[0039] As a technical optimization solution of the utility model, the front side of the front contactor housing 1 is fixedly connected to the intake pipe 2, and the rear side of the rear contactor housing 1 is fixedly connected to the exhaust pipe 6.

[0040] In this embodiment: by connecting the flue gas source pipeline with the air inlet pipe 2, the flue gas can enter the contactor housing 1 for filtration, and then be discharged from the contactor housing 1 through the exhaust pipe 6 after filtration, thereby achieving the effect of facilitating the flue gas to enter and discharge from the contactor housing 1.

[0041] Working principle: First, insert the two limiting rings 12 into the first card slot 503 in turn, so that the limiting block 17 is inserted into the limiting plate 9. At this time, the contactor housing 1 can be prevented from rotating. At this time, the first card slot 503 can connect the two contactor housings 1 together. Then move the limiting card 502 to the top of the fixing frame 4, so that the inner wall of the second card slot 10 contacts the two limiting rings 12. Then pass the limiting button 501 through the limiting card 502 and connect it to the internal thread of the fixing frame 4, and shrink the limiting button 501. The two contactor housings 1 are completely aligned, and then the external bolts are passed through the mounting holes 8, and the external bolts are threadedly connected to the mounting positions to fix the contactor housing 1. Then the flue gas source pipeline is connected to the air inlet pipe 2, and the flue gas can enter the contactor housing 1 and contact the fiber membrane filter element 15 inside the inner tank 13, and then the flue gas is filtered twice by the two fiber membrane filter elements 15 inside the inner tank 13, and then filtered three times by the activated carbon, and then discharged from the contactor housing 1 through the exhaust pipe 6. When replacing the fiber membrane filter element 15 and the activated carbon filter element 14 inside the inner tank 13, there is no need to remove a lot of screws with the help of tools. You only need to manually turn the limit button 501 to remove the limit button 501, then pull the limit card 502 upward, and then pull the two contactor shells 1 upward to make the limit ring 12 disengage from the inner wall of the first card groove 503, so that the two contactor shells 1 can be separated, and the inner tank 13 can be taken out to replace the fiber membrane filter element 15 and the activated carbon filter element 14 inside the inner tank 13, and then When installing the contactor housing 1, the two limit rings 12 are inserted into the first slot 503 in turn, and then the limit button 501 is passed through the limit card 502 to connect with the internal thread of the fixing frame 4 and locked, so that the two contactor housings 1 can be connected again, avoiding the problem that most of the existing fiber membrane contact structures for purifying flue gas need to use tools to unscrew many screws to disassemble when replacing the internal fiber membrane filter element 15, and alignment is also required when reinstalling, resulting in low efficiency in replacing the fiber membrane filter element 15.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fiber membrane contactor for flue gas purification, comprising two contactor shells (1) and a fixing frame (4), characterized in that: Two fiber membrane filter elements (15) and an activated carbon filter element (14) are arranged inside the contactor housing (1), and a limiting mechanism (5) is arranged on the top of the fixing frame (4); The limiting mechanism (5) comprises two limiting buttons (501), a limiting card (502) and a first card slot (503); the first card slot (503) is arranged inside the fixing frame (4); the bottom of the limiting card (502) contacts the top of the fixing frame (4); the bottom of the limiting button (501) passes through the limiting card (502) and is connected to the internal thread of the fixing frame (4).

2. The fiber membrane contactor for flue gas purification according to claim 1, characterized in that: A second card slot (10) is provided inside the limiting card (502), and a pull ring (7) is fixedly connected to the top of the limiting card (502).

3. The fiber membrane contactor for flue gas purification according to claim 2 is characterized in that: The surfaces of the two contactor housings (1) are fixedly connected to limit rings (12), the opposite sides of the two limit rings (12) are fixedly connected to sealing pads (11), the opposite sides of the two sealing pads (11) are in contact with each other, and the first clamping groove (503) and the second clamping groove (10) are in close contact with the surfaces of the limit rings (12).

4. The fiber membrane contactor for flue gas purification according to claim 1 is characterized in that: An inner liner (13) is movably arranged inside the contactor housing (1), the fiber membrane filter element (15) and the activated carbon filter element (14) are both movably arranged inside the inner liner (13), and a breathable net (16) is fixedly connected to the inner wall of the inner liner (13).

5. The fiber membrane contactor for flue gas purification according to claim 1, characterized in that: The bottom of the contactor housing (1) is fixedly connected to a limiting block (17), the front and rear sides of the fixing frame (4) are fixedly connected to a limiting plate (9), and the surface of the limiting block (17) is in contact with the inner wall of the limiting plate (9).

6. The fiber membrane contactor for flue gas purification according to claim 1 is characterized in that: Both the front and rear sides of the fixing frame (4) are fixedly connected to a mounting frame (3), and a mounting hole (8) is provided inside the mounting frame (3).

7. The fiber membrane contactor for flue gas purification according to claim 1 is characterized in that: The front side of the front contactor housing (1) is fixedly connected to an air intake pipe (2), and the rear side of the rear contactor housing (1) is fixedly connected to an exhaust pipe (6).

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