Coke filtering device for high-temperature sulfur dioxide flue gas
By designing a high-temperature sulfur dioxide flue gas coke filtration device, the box structure and multi-layer coke layer design are used to solve the problem of poor defog removal effect of the existing equipment, the full contact and adsorption of the flue gas and the coke layer are achieved, and the defog removal effect and the efficiency of the equipment are improved.
Patent Information
- Application Number
- CN202421407201.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-06-19
AI Technical Summary
The vane defog layer of the existing high-temperature sulfur dioxide flue gas defog device does not contact sufficiently with the airflow, resulting in poor defog effect.
A high-temperature sulfur dioxide flue gas coke filtration device is designed, adopting a box structure, with support columns connected to the horizontal panel on the bottom plate, forming an inner cavity of the upper and lower parts. The upper inner cavity is provided with a rock wool layer and a coke layer in turn. The through holes of the coke layer are perpendicular to the ground, and the ceramic ring is inserted into the through holes of the rock wool layer to achieve full contact and adsorption of the flue gas and the coke layer.
It achieves full contact between the flue gas and the coke layer, has good adsorption effect, improves the quality of the filtered gas, has low cost, small footprint, and is easy to maintain and clean, and is suitable for large production needs.
Smart Images
Figure CN222918398U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of the chemical industry, in particular to a coke filtration device for high-temperature sulfur dioxide flue gas. Background Art
[0002] In the process of producing sulfite, sulfur-containing substances are often burned to generate high-temperature sulfur dioxide flue gas. The sulfur dioxide flue gas often contains ultra-fine particles and "acid mist" with a particle size of 10 - 60 microns. The "acid mist" contains not only moisture but also acid, which needs to be removed. At present, the demister mainly consists of a box body, a blade demisting layer, and a spray pipe. The contact between the blade demisting layer and the airflow is not sufficient, and the demisting effect is poor. Content of the Utility Model
[0003] The purpose of the utility model is to provide a coke filtration device for high-temperature sulfur dioxide flue gas, which has low equipment cost, small floor area, easy-to-obtain fillers, low use cost, wide application range, low operation resistance, convenient operation, easy to wash, does not generate additional solid waste, and can meet the large production demand.
[0004] The technical solution adopted by the utility model is as follows.
[0005] A coke filtration device for high-temperature sulfur dioxide flue gas includes a box body. A plurality of struts are vertically arranged on the bottom plate of the box body, and the top ends of the struts are connected to a horizontal panel provided with a plurality of vertical through holes. The horizontal panel divides the inner cavity of the box body into an upper inner cavity and a lower inner cavity.
[0006] An insulating wool layer and a plurality of coke layers are successively arranged in the upper inner cavity from bottom to top. A plurality of insulating wool layer through holes with the central axes perpendicular to the ground are arranged on the insulating wool layer, and ceramic rings are inserted into each insulating wool layer through hole.
[0007] A plurality of coke layer through holes with the central axes perpendicular to the ground are arranged on each coke layer. An air outlet is arranged at the top end of the box body. An air inlet hole is arranged on the side wall of the box body below the horizontal panel. A liquid discharge hole is arranged on the side wall of the box body below the air inlet hole. A plurality of lower manholes are arranged on the side wall of the box body below the horizontal panel, and lower manhole covers are arranged on the lower manholes. A plurality of upper manholes are arranged on the side wall of the box body above the horizontal panel, and upper manhole covers are arranged on the upper manholes.
[0008] The beneficial effects of the present utility model are as follows: High-temperature flue gas enters the lower inner cavity of the box through the air inlet holes, and then enters the coke layer through holes through the vertical through holes, fully contacting the coke layer, adsorbing the particles and acid mist in the high-temperature flue gas, and then the filtered gas enters the next production link through the air outlet holes. It can achieve full contact between the gas and the coke layer, and has a good adsorption effect. There is a liquid discharge hole for discharging the acid liquid filtered from the high-temperature flue gas. When cleaning the filtering device, water enters through the air outlet holes, and the cleaning liquid after cleaning is discharged from the liquid discharge hole. There are several manholes for people to enter and exit, which facilitates the maintenance and replacement of the coke layer. The equipment has a low cost, a small floor area, easily available fillers, a low usage cost, and a wide range of applications. Each coke layer through hole is perpendicular to the ground, with low operating resistance, convenient operation, easy to wash, and no additional solid waste will be generated, which can meet large production requirements.
[0009] As a preferred technical solution, the horizontal cross-section of the box is in an annular shape.
[0010] As a preferred technical solution, an observation window is provided below the horizontal panel on the side wall of the box, and glass is inlaid on the observation window.
[0011] As a preferred technical solution, the thickness of the rock wool layer is 100 - 120 mm.
[0012] As a preferred technical solution, the diameter of the ceramic ring is 75 - 90 mm.
[0013] As a preferred technical solution, the diameter of the coke layer through holes closer to the horizontal panel is larger. With this technical solution, each coke layer through hole is perpendicular to the ground, with low operating resistance, convenient operation, and easy to wash.
[0014] As a preferred technical solution, the diameter of the coke layer through hole closest to the horizontal panel is 40 - 50 mm; the diameter of the coke layer through hole farthest from the horizontal panel is 5 - 10 mm.
[0015] As a preferred technical solution, the vertical height of the coke layer through holes closer to the horizontal panel is smaller.
[0016] As a preferred technical solution, the vertical height of the coke layer through hole closest to the horizontal panel is 100 - 120 mm; the vertical height of the coke layer through hole farthest from the horizontal panel is 500 - 600 mm. Description of the Drawings
[0017] Figure 1 is a schematic structural diagram of a preferred embodiment of the high-temperature sulfur dioxide flue gas coke filtering device of the present utility model.
[0018] Figure 2 is Figure 1 the top view of the high-temperature sulfur dioxide flue gas coke filtering device shown.
[0019] Figure 3 Yes Figure 2 The sectional view of the high-temperature sulfur dioxide flue gas coke filtration device shown along A-A'.
[0020] Figure 4 Yes Figure 3 The partial enlarged view of part B of
[0021] Figure 5 Yes Figure 4 The partial enlarged view of part D of
[0022] Figure 6 Yes Figure 3 The partial enlarged view of part C of
[0023] Figure 7 Yes Figure 6 The partial enlarged view of part E of
[0024] Figure 8 It is the structural schematic diagram of a preferred embodiment of the high-temperature sulfur dioxide flue gas coke filtration device of the present utility model.
[0025] Figure 9 It is the structural schematic diagram of a preferred embodiment of the high-temperature sulfur dioxide flue gas coke filtration device of the present utility model.
[0026] Figure 10 Yes Figure 9 The partial enlarged view of part F of
[0027] Wherein: box body - 1; pillar - 2; vertical through hole - 3; horizontal panel - 4; upper inner cavity - 5; lower inner cavity - 6;
[0028] rock wool layer - 7; ceramic ring - 71; rock wool layer through hole - 72;
[0029] coke layer - 8; coke layer through hole - 81;
[0030] air inlet hole - 9; liquid discharge hole - 10; air outlet hole - 11; lower manhole - 12;
[0031] lower manhole cover - 13; upper manhole - 14; upper manhole cover - 15; bottom plate - 16; observation window - 17. Specific implementation mode
[0032] Next, the present utility model will be further described in conjunction with the drawings and embodiments.
[0033] Embodiment 1. As Figure 1-7 shown, a high-temperature sulfur dioxide flue gas coke filtration device includes a box body 1. Two pillars 2 are vertically arranged on the bottom plate 16 of the box body 1. The top end of each pillar 2 is connected to a horizontal panel 4 provided with a number of vertical through holes 3; the horizontal panel 4 divides the inner cavity of the box body 1 into two parts: an upper inner cavity 5 and a lower inner cavity 6.
[0034] On the upper inner cavity 5, there are successively arranged a rock wool layer 7 and a four-coke layer 8 from bottom to top; on the rock wool layer 7, there are a number of rock wool layer through-holes 72 with the central axes perpendicular to the ground, and ceramic rings 71 are inserted into each of the rock wool layer through-holes 72.
[0035] On each coke layer 8, there are a number of coke layer through-holes 81 with the central axes perpendicular to the ground; at the top of the box body 1, there is an air outlet 11; below the horizontal panel 4 on the side wall of the box body 1, there is an air inlet 9; below the air inlet 9 on the side wall of the box body 1, there is a liquid discharge hole 10; below the horizontal panel 4 on the side wall of the box body 1, there are two manholes 12, and manhole covers 13 are provided on the manholes 12; above the horizontal panel 4 on the side wall of the box body 1, there are three manholes 14, and manhole covers 15 are provided on the manholes 14.
[0036] The horizontal cross-section of the box body 1 is in an annular shape.
[0037] The thickness of the rock wool layer 7 is 100 mm.
[0038] The diameter of the ceramic ring 71 is 75 mm.
[0039] The diameter of the coke layer through-hole 81 closer to the horizontal panel 4 is larger. Adopting this technical solution, each coke layer through-hole 81 is perpendicular to the ground, with low running resistance, convenient operation, and easy to wash.
[0040] The diameter of the coke layer through-hole 81 closest to the horizontal panel 4 is 40 mm; the diameter of the coke layer through-hole 81 farthest from the horizontal panel 4 is 5 mm.
[0041] The vertical height of the coke layer through-hole 81 closer to the horizontal panel 4 is smaller.
[0042] The vertical height of the coke layer through-hole 81 closest to the horizontal panel 4 is 100 mm; the vertical height of the coke layer through-hole 81 farthest from the horizontal panel 4 is 500 mm.
[0043] The high-temperature flue gas enters the lower inner cavity 6 of the box body 1 through the air inlet 9. The high-temperature flue gas enters the coke layer through-hole 81 through the vertical through-hole 3, makes full contact with the coke layer 8, adsorbs the particles and acid mist in the high-temperature flue gas, and then the filtered gas enters the next production link through the air outlet 11. It can achieve full contact between the gas and the coke layer 8, and has a good adsorption effect. There is a liquid discharge hole 10 to discharge the acid liquid filtered from the high-temperature flue gas. When cleaning the filtering device, water enters through the air outlet 11, and the cleaning liquid after cleaning is discharged from the liquid discharge hole 10. There are a number of manholes 14 and manholes 12, which are convenient for maintenance and replacement of the coke layer 8. The equipment has a low cost, a small floor area, easy-to-obtain fillers, a low use cost, and a wide range of applications. Each coke layer through-hole 81 is perpendicular to the ground, with low running resistance, convenient operation, easy to wash, will not generate additional solid waste, and can meet large production requirements.
[0044] Example 2. As Figure 8 shown, the difference between this embodiment and Embodiment 1 is that: on the side wall of the box body 1, below the horizontal panel 4 on the side wall of the box body 1, an observation window 17 is provided, and glass is inlaid on the observation window 17.
[0045] Example 3. As Figure 9-10 shown, the difference between this embodiment and Embodiment 1 is that: on the upper inner cavity 5, a rock wool layer 7 and a three-coke layer 8 are provided in sequence from bottom to top. On the bottom plate 16 of the box body 1, three support columns 2 are vertically provided.
[0046] The thickness of the rock wool layer 7 is 120 mm.
[0047] The diameter of the ceramic ring 71 is 90 mm.
[0048] The diameter of the coke layer through hole 81 closest to the horizontal panel 4 is 50 mm; the diameter of the coke layer through hole 81 farthest from the horizontal panel 4 is 10 mm.
[0049] The vertical height of the coke layer through hole 81 closer to the horizontal panel 4 is smaller.
[0050] The vertical height of the coke layer through hole 81 closest to the horizontal panel 4 is 120 mm; the vertical height of the coke layer through hole 81 farthest from the horizontal panel 4 is 600 mm.
[0051] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.
Claims
1. A high temperature sulfur dioxide flue gas coke filtering device, characterized in that: It comprises a box body (1), a bottom plate (16) of the box body (1) having a plurality of pillars (2) vertically arranged thereon, the top end of each pillar (2) being connected to a horizontal panel (4) having a plurality of vertical through holes (3); the horizontal panel (4) divides the inner cavity of the box body (1) into an upper inner cavity (5) and a lower inner cavity (6); A rock wool layer (7) and a plurality of coke layers (8) are sequentially arranged on the upper inner cavity (5) from bottom to top; the rock wool layer (7) is provided with a plurality of rock wool layer through holes (72) whose central axes are perpendicular to the ground, and a ceramic ring (71) is inserted into each rock wool layer through hole (72); A plurality of coke layer through holes (81) with central axes perpendicular to the ground are provided on each coke layer (8); an air outlet (11) is provided on the top of the box body (1); an air inlet (9) is provided below the horizontal panel (4) on the side wall of the box body (1); a liquid discharge hole (10) is provided below the air inlet (9) on the side wall of the box body (1); a plurality of lower manholes (12) are provided below the horizontal panel (4) on the side wall of the box body (1), and a lower manhole cover (13) is provided on the lower manhole (12); a plurality of upper manholes (14) are provided above the horizontal panel (4) on the side wall of the box body (1), and an upper manhole cover (15) is provided on the upper manhole (14).
2. The high-temperature sulfur dioxide flue gas coke filtering device according to claim 1, characterized in that: The horizontal cross section of the box body (1) is in the shape of a circular ring.
3. The high-temperature sulfur dioxide flue gas coke filtering device according to claim 1, characterized in that: An observation window (17) is provided below the horizontal panel (4) on the side wall of the box body (1), and glass is inlaid on the observation window (17).
4. The high-temperature sulfur dioxide flue gas coke filtering device according to claim 1, characterized in that: The thickness of the rock wool layer (7) is 100-120 mm.
5. The high-temperature sulfur dioxide flue gas coke filtering device according to claim 4, characterized in that: The diameter of the ceramic ring (71) is 75-90 mm.
6. The high-temperature sulfur dioxide flue gas coke filtering device according to claim 1, characterized in that: The closer the coke layer through hole (81) is to the horizontal panel (4), the larger the diameter of the through hole (81) is.
7. The high-temperature sulfur dioxide flue gas coke filtering device according to claim 6, characterized in that: The diameter of the coke layer through hole (81) closest to the horizontal panel (4) is 40-50 mm; the diameter of the coke layer through hole (81) farthest from the horizontal panel (4) is 5-10 mm.
8. The high-temperature sulfur dioxide flue gas coke filtering device according to claim 7, characterized in that: The closer the coke layer through hole (81) is to the horizontal panel (4), the smaller the vertical height is.
9. The high-temperature sulfur dioxide flue gas coke filtering device according to claim 8, characterized in that: The vertical height of the coke layer through hole (81) closest to the horizontal panel (4) is 100-120 mm; the vertical height of the coke layer through hole (81) farthest from the horizontal panel (4) is 500-600 mm.