High-temperature flue gas cooling and dust removing device for calcining furnace
The design of the smoke collecting box, diversion hopper and rotating plate structure combined with filter strips and sprinkler heads solves the smoke and dust floating problem caused by the traditional spraying method, achieves efficient smoke filtration and waste heat recovery, and reduces the space requirement and installation difficulty of the device.
Patent Information
- Application Number
- CN202422796260.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-15
AI Technical Summary
The traditional spraying method causes smoke dust to float irregularly during flue gas treatment, which increases the space requirement and installation difficulty of the collection box and affects the efficiency of the waste heat recovery device.
The smoke collecting box, guide hopper, guide plate and rotating plate structure are used, combined with filter strips and water spray heads to achieve filtering, cooling and dust removal of flue gas. After being filtered, the smoke enters the dust collecting box, and the smoke enters the waste heat utilization structure.
Effectively filtering smoke and dust reduces the possibility of smoke and dust entering the waste heat utilization structure, reduces the space requirement and installation difficulty of the device, and improves the waste heat recovery efficiency.
Smart Images
Figure CN223361117U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of flue gas treatment, and in particular relates to a device for cooling and removing dust from high-temperature flue gas in a calcining furnace. Background Art
[0002] During the operation of the calcining furnace, a lot of high-temperature flue gas will be generated. These flue gases are usually directly discharged after filtering. Since the flue gas contains a lot of high-temperature heat, the discharge of these flue gases will lead to the waste of high temperature in the flue gas. Therefore, the staff will use the waste heat recovery device to recover the high temperature in the flue gas;
[0003] Before the high temperature in the flue gas is recovered, the staff needs to remove the smoke dust in the flue gas to avoid the smoke dust in the flue gas from clogging the collection end of the waste heat recovery device. The traditional flue gas treatment method is mainly to concentrate the flue gas inside the collection box, and then use a spraying method to spray the smoke dust in the flue gas. When the smoke dust in the flue gas comes into contact with the sprayed water droplets, the water droplets can drive the smoke dust to fall, and then the smoke dust is discharged to the external collection box along with the water. This method can indeed have a better removal effect on the smoke dust in the flue gas, but when the smoke dust in the flue gas is treated by spraying, the water sprayed by the spray structure will drive the air turbulence inside the collection box, which will cause the smoke dust in the flue gas to float irregularly. In order to avoid such a phenomenon, the staff needs to set up multiple spray structures inside the collection box, which will increase the space occupied by the collection box and make it more difficult for the staff to install the collection box. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a device for cooling and removing dust from high-temperature flue gas in a calcining furnace.
[0005] The smoke collecting box has a bottom end face that is fixed with a guide hopper, and the guide hopper has a bottom end face that is fixed with a guide hopper.
[0006] In the above technical solution, further, filter strips are fixedly connected at equal intervals on the side of the rotating plate away from the sieve holes, the filter strips are arc-shaped structures, and the filter strips are distributed on the rotating plate in a matrix shape.
[0007] In the above technical solution, further, the top surface of the connecting plate abuts against a sliding piece, the bottom surface of the sliding piece is fixedly connected to a penetration bar, the penetration bar penetrates the connecting plate through a rectangular hole, and a pulling rod is rotatably connected between the penetration bar and the rotating plate.
[0008] In the above technical solution, further, a limiting slide rod passes through the connecting rod, an end of the limiting slide rod away from the sliding sheet is fixedly connected to a connecting spring, and an end of the connecting spring away from the limiting slide rod is fixedly connected to the guide cover.
[0009] In the above technical solution, further, a water spray head is fixedly connected to one side of the guide plate close to the connecting plate, and the water spray head is located on the upper part of the guide plate. A flip slide is movably connected to one side of the rotating plate close to the connecting plate, and the flip slide passes through the connecting plate.
[0010] In the above technical solution, further, a support plate is fixedly connected to the portion where the dust box and the smoke box are connected, a support bar is fixedly connected to the portion where the support plate and the dust box are connected, and the top surface of the support plate abuts against the rotating plate.
[0011] Compared with the prior art, the present invention has the following beneficial effects:
[0012] 1. The connecting plate in the device can filter the smoke inside the smoke collecting box through rectangular holes and sieve holes, which can prevent a lot of smoke and dust from entering the interior of the waste heat utilization structure;
[0013] 2. When the connecting plate in the device filters the smoke and dust in the smoke, the smoke after filtering the smoke and dust will enter between the connecting plate and the guide plate. Then the sprinkler head can spray water on the smoke between the connecting plate and the guide plate. After the water comes into contact with the smoke and dust, the water can drive the smoke and dust into the interior of the dust collection box;
[0014] 3. When the smoke collecting box in the device collects smoke, the smoke can drive the rotating plate to rotate. At this time, the filter holes on the rotating plate can filter the smoke and dust in the smoke. At the same time, the filter strips on the rotating plate can filter the smoke and dust in the smoke, which can prevent a lot of smoke and dust from penetrating the rotating plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural diagram of the utility model;
[0016] Figure 2 This is a schematic diagram of the connection structure of the rotating plate and the connecting plate proposed in the present invention;
[0017] Figure 3 for Figure 2 A is an enlarged schematic diagram.
[0018] In the figure: 1. Smoke collecting box; 2. Diversion cover; 3. Diversion bucket; 4. Dust collecting box; 5. Waste heat utilization structure; 6. Connecting spring; 7. Diversion plate; 8. Connecting plate; 9. Support bar; 10. Support plate; 11. Through bar; 12. Connecting rod; 13. Sliding piece; 14. Rectangular hole; 15. Connecting hinge; 16. Sieve hole; 17. Connecting support bar; 18. Turning plate; 19. Filter hole; 20. Pull rod; 21. Filter strip; 22. Sprinkler head; 23. Limiting slide bar; 24. Flip slide bar. DETAILED DESCRIPTION
[0019] In order to more clearly understand the above-mentioned objectives, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.
[0020] like Figure 1-Figure 3 The shown device is a high-temperature flue gas cooling and dust removal device for a calcining furnace, comprising a smoke collecting box 1 and a waste heat utilization structure 5 connected to one side of the smoke collecting box 1. The smoke collecting box 1 is fixedly connected to a guide hopper 3 on one side close to the waste heat utilization structure 5, and the smoke collecting box 1 is fixedly connected to a guide cover 2. The inner wall of the guide cover 2 is fixedly connected to a connecting rod 12, and the bottom of the connecting rod 12 is fixedly connected to a connecting plate 8. A rectangular hole 14 is provided on the upper part of the connecting plate 8, and guide plates 7 are distributed at the part where the guide hopper 3 is connected to the smoke collecting box 1. Connecting supports 17 are evenly spaced on the upper part of the guide plate 7, and the upper end of the connecting support 17 is fixedly connected to the guide cover 2. The part where the connecting plate 8 faces the guide plate 7 is provided with sieve holes 16 in a matrix shape, and the bottom of the connecting plate 8 is rotatably connected to a rotating plate 18 through a connecting hinge 15. The rotating plate 18 is provided with filter holes 19 in a matrix shape, and the bottom of the smoke collecting box 1 is located at the bottom of the rotating plate 18 and is fixedly connected to the dust collecting box 4.
[0021] Filter strips 21 are fixedly connected at equal intervals to one side of the rotating plate 18 facing away from the sieve holes 16 . The filter strips 21 are arc-shaped structures and are distributed on the rotating plate 18 in a matrix shape.
[0022] The top surface of the connecting plate 8 abuts against a sliding piece 13 , and the bottom surface of the sliding piece 13 is fixedly connected with a penetration bar 11 , which penetrates the connecting plate 8 through a rectangular hole 14 , and a pull rod 20 is rotatably connected between the penetration bar 11 and the rotating plate 18 .
[0023] A limiting slide bar 23 passes through the connecting rod 12 . One end of the limiting slide bar 23 facing away from the sliding sheet 13 is fixedly connected to a connecting spring 6 . One end of the connecting spring 6 facing away from the limiting slide bar 23 is fixedly connected to the guide cover 2 .
[0024] A water spray head 22 is fixedly connected to one side of the guide plate 7 close to the connecting plate 8. The water spray head 22 is located on the upper part of the guide plate 7. A flip slide 24 is movably connected to one side of the rotating plate 18 close to the connecting plate 8. The flip slide 24 passes through the connecting plate 8.
[0025] The dust box 4 is fixedly connected to the smoke box 1 with a support plate 10 . The support plate 10 is fixedly connected to the dust box 4 with a support bar 9 . The top surface of the support plate 10 abuts against the rotating plate 18 .
[0026] Working principle: The smoke collecting box 1 in the dust removal device can collect the high-temperature flue gas emitted by the calcining furnace. When the high-temperature flue gas enters the interior of the smoke collecting box 1, the high-temperature flue gas emitted by the calcining furnace can blow against the rotary plate 18, and the filter strips 21 and filter holes 19 on the rotary plate 18 can filter the smoke dust in the smoke. After the rotary plate 18 filters the smoke dust in the smoke, the smoke that has filtered the smoke dust can pass through the rectangular holes 14 and the sieve holes 16 and the connecting plate 8. When the smoke passes through the connecting plate 8, the smoke that has filtered the smoke dust can enter between the connecting plate 8 and the guide plate 7. At this time, the staff can spray water on the smoke dust between the connecting plate 8 and the guide plate 7 through the water nozzle 22. The smoke that has been dust-removed by water spraying can pass through the connecting branch 17 and enter the interior of the guide bucket 3. Then the guide bucket 3 can drive the smoke into the interior of the waste heat utilization structure 5. The waste heat utilization structure 5 can make full use of the waste heat in the smoke and avoid the discharged smoke containing a higher temperature.
[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements fall within the scope of the present invention.
Claims
1. A calcining furnace high-temperature flue gas cooling and dust removal device, comprising a smoke collecting box (1) and a waste heat utilization structure (5) connected to one side of the smoke collecting box (1), characterized in that: The smoke collecting box (1) is fixedly connected to a guide hopper (3) on one side close to the waste heat utilization structure (5), the smoke collecting box (1) is fixedly connected to a guide cover (2), the inner wall of the guide cover (2) is fixedly connected to a connecting rod (12), the bottom of the connecting rod (12) is fixedly connected to a connecting plate (8), the upper part of the connecting plate (8) is provided with a rectangular hole (14), the portion where the guide hopper (3) is connected to the smoke collecting box (1) is distributed with a guide plate (7), the upper part of the guide plate (7) is provided with a rectangular hole (14), and the upper part of the guide plate (7) is provided with a guide plate (7). The connecting plate (8) is connected to the guide plate (7) at equal intervals, and the upper end of the connecting plate (17) is fixedly connected to the guide cover (2). The portion of the connecting plate (8) opposite to the guide plate (7) is provided with sieve holes (16) in a matrix shape. The bottom of the connecting plate (8) is rotatably connected to a rotating plate (18) through a connecting hinge (15). The rotating plate (18) is provided with filter holes (19) in a matrix shape. The bottom of the smoke collecting box (1) is located at the bottom of the rotating plate (18) and is fixedly connected to the dust collecting box (4).
2. The device for cooling and dust removal of high-temperature flue gas from a calcining furnace according to claim 1, characterized in that: Filter strips (21) are fixedly connected at equal intervals to one side of the rotating plate (18) away from the sieve hole (16); the filter strips (21) are arc-shaped structures and are distributed on the rotating plate (18) in a matrix shape.
3. The device for cooling and dust removal of high-temperature flue gas from a calcining furnace according to claim 1, characterized in that: The top surface of the connecting plate (8) is in contact with a sliding plate (13), and the bottom surface of the sliding plate (13) is fixedly connected with a penetration bar (11). The penetration bar (11) penetrates the connecting plate (8) through a rectangular hole (14), and a pulling rod (20) is rotatably connected between the penetration bar (11) and the rotating plate (18).
4. The device for cooling and dust removal of high-temperature flue gas from a calcining furnace according to claim 3, characterized in that: A limiting slide bar (23) passes through the connecting rod (12); one end of the limiting slide bar (23) facing away from the sliding sheet (13) is fixedly connected to a connecting spring (6); and one end of the connecting spring (6) facing away from the limiting slide bar (23) is fixedly connected to the guide cover (2).
5. The device for cooling and dust removal of high-temperature flue gas from a calcining furnace according to claim 1, characterized in that: A water spray head (22) is fixedly connected to one side of the guide plate (7) close to the connecting plate (8), and the water spray head (22) is located on the upper part of the guide plate (7). A flip slide bar (24) is movably connected to one side of the rotating plate (18) close to the connecting plate (8), and the flip slide bar (24) penetrates the connecting plate (8).
6. The device for cooling and dust removal of high-temperature flue gas from a calcining furnace according to claim 1, characterized in that: The portion where the dust box (4) is connected to the smoke box (1) is fixedly connected to a support plate (10), the portion where the support plate (10) is connected to the dust box (4) is fixedly connected to a support bar (9), and the top surface of the support plate (10) abuts against the rotating plate (18).