Sulfur and dust removal device for combustion waste gas
By designing a device including a dust removal box and a sulfur removal box, using components such as air intake pipe, filter plate, filter bag, motor, water pump and pulse valve, the problems of low dust removal and sulfur removal efficiency and inconvenient cleaning in the prior art are solved, and the effect of efficiently treating dust and sulfur oxide compounds in the combustion exhaust gas is achieved.
Patent Information
- Application Number
- CN202421434480.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-06-21
AI Technical Summary
During the use of existing sulfur-depleting and sulfur removal devices for combustion exhaust gas, the dust removal and sulfur removal efficiency is low, and it is not convenient to clean filtered dust and treated sulfides.
A device including a dust removal box and a sulfur removal box is designed. Through the arrangement of a first intake pipe, a dust removal box, a first filter plate, a second intake pipe, a filter bag, a first air outlet pipe, a sulfur removal box, a motor, a water pump, a rotary rod and a twisted leaf, it is possible to efficiently treat dust and sulfur oxides in the combustion exhaust gas, and to facilitate cleaning of filtered dust and treated sulfides through the coordination of a pulse valve, a compressed air tank and a nozzle.
The device can efficiently process dust and sulfur oxide compounds in the combustion exhaust gas, and facilitate cleaning of filtered dust and treated sulfides, improving the efficiency of dust removal and sulfur removal.
Smart Images
Figure CN222871645U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of waste gas treatment, in particular to a desulfurization and dust removal device for combustion waste gas. Background Art
[0002] Industrial waste gas emitted by various production enterprises is an important source of air pollutants. If a large amount of industrial waste gas is discharged into the atmosphere without being treated to meet the standards, it will inevitably reduce the quality of the atmospheric environment and cause serious harm to human health. There are many types of pollutants in the waste gas, and their physical and chemical properties are very complex, and their toxicity is also different. Most of these waste gases are sulfides. If these waste gases cannot be treated in time, it will cause the deterioration of people's health and the environment. Therefore, desulfurization and dust removal operations are required before these waste gases are discharged.
[0003] The existing desulfurization and dust removal devices for combustion exhaust gas have low dust removal and desulfurization efficiency during use, and are not convenient for cleaning the filtered dust and treating the sulfide. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies of the prior art, the utility model provides a desulfurization and dust removal device for combustion exhaust gas, which solves the problems raised in the above-mentioned background technology.
[0006] (II) Technical solution
[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a desulfurization and dust removal device for combustion exhaust gas, comprising a dust removal box and a desulfurization box, a controller is arranged on the front side of the dust removal box, a first air inlet pipe is arranged on the top of the dust removal box, a first filter plate is arranged inside the dust removal box, a first partition plate and a second partition plate are arranged inside the dust removal box, a second air inlet pipe is arranged inside the first partition plate and the second partition plate, a first through hole is opened inside the second partition plate, a filter bag is arranged inside the first through hole, and a rear side wall of the dust removal box is arranged A first support plate is provided, a compressed air tank is arranged on the top of the first support plate, a first air pipe is arranged at the output end of the compressed air tank, a pulse valve is arranged inside the first air pipe, a second support plate is arranged on the outer surface of the desulfurization box, a water pump is arranged on the top of the second support plate, an L-shaped pipe is arranged at the output end of the water pump, an atomizing spray is arranged at the other end of the L-shaped pipe, a third partition is arranged inside the desulfurization box, a first collecting box is arranged on the top of the third partition, a first protective box is arranged at the bottom of the desulfurization box, and a first motor is arranged on the inner bottom wall of the first protective box.
[0008] Optionally, a third support plate is provided on the front and rear inner walls of the dust removal box, the third filter plate is located on the top of the first support plate, and a second through hole is opened on one side of the first filter plate.
[0009] Optionally, a second air pipe is provided on the outer surface of the first air pipe, a nozzle is provided on the outer surface of the second air pipe, a second protective box is provided on the rear side of the dust removal box, a first pull rod is provided inside the second protective box, a first spring is sleeved on the outer surface of the first pull rod, and the diameter of the first pull rod is adapted to the inner diameter of the second through hole.
[0010] Optionally, a baffle is provided at the bottom of the dust removal box, a second pull rod is provided inside the baffle, and a second spring is sleeved on the outer surface of the pull rod. A second collecting box is provided below the dust removal box, a third through hole is provided on one side of the second collecting box, and the inner diameter of the third through hole is adapted to the diameter of the second pull rod. A first control valve is provided near the bottom of the dust removal box.
[0011] Optionally, a first gear is provided at the output end of the first motor, the bottom wall of the dust removal box is rotatably connected to a rotating rod through a bearing ball, a hinged blade is provided on the outer surface of the rotating rod, a second gear is provided at the bottom of the rotating rod, and the first gear is meshed with the second gear.
[0012] Optionally, limestone slurry is stored inside the desulfurization box, a first air outlet pipe is provided inside the dust removal box, one end of the first air outlet pipe is located between the first partition plate and the second partition plate, the other end of the air outlet pipe is located inside the desulfurization box, a discharge pipe is provided at the bottom of the desulfurization box, and a second control valve is provided inside the discharge pipe.
[0013] Optionally, a second air outlet pipe is arranged inside the third partition plate, and a third air outlet pipe is arranged on the top of the dust removal box.
[0014] Optionally, a protective door is hinged on the outer surface of the desulfurization box, a third filter plate is provided inside the desulfurization box, and the second filter plate is located above the atomizing spray.
[0015] The utility model provides a desulfurization and dust removal device for combustion exhaust gas, which has the following beneficial effects:
[0016] 1. The desulfurization and dust removal device for combustion exhaust gas has the effect of efficiently treating dust and sulfur oxides in the combustion exhaust gas through the arrangement of the first air inlet pipe, the dust removal box, the first filter plate, the second air inlet pipe, the filter bag, the first air outlet pipe, the desulfurization box, the motor, the water pump, the rotating rod and the hinged blades.
[0017] 2. The desulfurization and dust removal device for combustion exhaust gas has the effect of facilitating the cleaning of filtered dust and the treatment of sulfides through the arrangement of the first pull rod, the first spring, the first filter plate, the controller, the pulse valve, the filter bag, the first control valve, the second collection box, the second pull rod, the second spring and the second collection box. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;
[0019] Figure 2 It is a structural schematic diagram of the utility model in front view section;
[0020] Figure 3 For this utility model Figure 2 A is a schematic diagram of the structure of the enlarged view of the middle A;
[0021] Figure 4 It is a structural schematic diagram of the side view of the utility model;
[0022] Figure 5 It is a structural schematic diagram of the utility model in front view section;
[0023] Figure 6 It is a schematic structural diagram of the top view of the utility model.
[0024] In the figure: 1. dust removal box; 2. controller; 3. second pull rod; 4. second collection box; 5. desulfurization box; 6. water pump; 7. L-shaped pipe; 8. third air outlet pipe; 9. first air outlet pipe; 10. first air inlet pipe; 11. first filter plate; 12. second air inlet pipe; 13. filter bag; 14. discharge pipe; 15. second spring; 16. baffle; 17. compressed air tank; 18. first air supply pipe; 19. pulse valve; 20. first pull rod; 21. first spring; 22. second filter plate; 23. atomizing spray; 24. second air outlet pipe; 25. first collection box; 26. rotating rod; 27. hinged blade; 28. second control valve; 29. second gear; 30. motor; 31. first gear; 32. second air supply pipe; 33. first control valve. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0026] Example 1
[0027] A desulfurization and dust removal device for combustion exhaust gas comprises a dust removal box 1 and a desulfurization box 5. A controller 2 is arranged on the front side of the dust removal box 1. A first air inlet pipe 10 is arranged on the top of the dust removal box 1. A first partition plate and a second partition plate are arranged inside the dust removal box 1. A second air inlet pipe 12 is arranged inside the first partition plate and the second partition plate. A first through hole is opened inside the second partition plate. A filter bag 13 is arranged inside the first through hole. A second support plate is arranged on the outer surface of the desulfurization box 5. A water pump 6 is arranged on the top of the second support plate. An L-shaped pipe 7 is arranged at the output end of the water pump 6. An atomizing spray 23 is arranged at the other end of the L-shaped pipe 7. A third partition plate is arranged inside the desulfurization box 5. A first collecting box 25 is arranged on the top of the third partition plate. A first protective box is arranged on the bottom of the desulfurization box 5. A motor 30 is arranged on the inner bottom wall of the first protective box. A third support plate is arranged on the front and rear inner walls of the dust removal box 1. A first filter plate 11 is located on the top of the third support plate. A second through hole is provided on one side of the first filter plate 11, a first gear 31 is provided at the output end of the first motor 30, a rotating rod 26 is rotatably connected to the bottom wall of the dust removal box 1 through a bearing ball, a hinged blade 27 is provided on the outer surface of the rotating rod 26, a second gear 29 is provided at the bottom of the rotating rod 26, the first gear 31 is meshed with the second gear 29, limestone slurry is stored in the desulfurization box 5, a first air outlet pipe 9 is provided in the dust removal box 1, one end of the first air outlet pipe 9 is located between the first partition plate and the second partition plate, and the other end of the air outlet pipe is located in the desulfurization box 5, a discharge pipe 14 is provided at the bottom of the desulfurization box 5, a second control valve 28 is provided inside the discharge pipe 14, a second air outlet pipe 24 is provided inside the third partition plate, a third air outlet pipe 8 is provided at the top of the dust removal box 1, a protective door is hinged on the outer surface of the desulfurization box 5, a third filter plate is provided in the desulfurization box 5, and the second filter plate 22 is located above the atomizing spray 23
[0028] In order to realize the effect of the desulfurization and dust removal device for combustion exhaust gas having the effect of efficiently treating dust and sulfur oxides in combustion exhaust gas, as shown in the attached Figure 1-2 , Figure 5-6As shown, the present application adopts the following structure, through the cooperation of the first air inlet pipe 10, the dust removal box 1, the first filter plate 11, the second air inlet pipe 12, the filter bag 13, the first air outlet pipe 9, the desulfurization box 5, the motor 30, the water pump 6, the rotating rod 26 and the hinged blade 27, during use, the combustion exhaust gas enters the dust removal box 1 through the first air inlet pipe 10, and is filtered by the two first filter plates 11 in turn, completing the initial filtration of the combustion exhaust gas and removing large particles of dust from the combustion exhaust gas, and then the combustion exhaust gas enters the bottom of the second partition through the second air inlet pipe 12, and after being filtered by the filter bag 13, the secondary filtration is completed, and small particles are intercepted on the surface of the filter bag 13, and the clean gas is discharged through the filter bag 13 and enters between the first partition and the second partition, completing the dust removal of the combustion exhaust gas, and the exhaust gas after dust removal enters the desulfurization box 5 through the first air outlet pipe 9, and the motor 30 and the water pump 6 are started by the controller 2, and the electric The output end of the machine 30 drives the first gear 31, and the first gear 31 drives the second gear 29 meshing with the first gear 31. The second gear 29 drives the rotating rod 26 and the hinge blade 27. The hinge blade 27 stirs the limestone slurry so that the exhaust gas after dust removal is fully in contact with the limestone slurry. The sulfur dioxide in the exhaust gas reacts with the limestone to form gypsum, and most of the sulfur dioxide in the exhaust gas is removed at the same time, completing the preliminary desulfurization. The exhaust gas after the preliminary desulfurization enters the top of the third partition through the third air outlet pipe 8. The water pump 6 sprays the absorbent through the L-shaped pipe 7 and the atomizing spray 23, and contacts with the exhaust gas after the preliminary desulfurization to form a dry or semi-dry product, completing the secondary desulfurization. The exhaust gas after the secondary desulfurization is filtered by the second filter plate 22 and discharged through the third air outlet pipe 8, thereby realizing that the desulfurization and dust removal device for combustion exhaust gas has the effect of efficiently treating dust and sulfur oxides in combustion exhaust gas.
[0029] Example 2
[0030] A desulfurization and dust removal device for combustion exhaust gas, wherein a first filter plate 11 is arranged inside the dust removal box 1, a first support plate is arranged on the rear side wall of the dust removal box 1, a compressed air tank 17 is arranged on the top of the first support plate, a first air supply pipe 18 is arranged at the output end of the compressed air tank 17, a pulse valve 19 is arranged inside the first air supply pipe 18, a second air supply pipe 32 is arranged on the outer surface of the first air supply pipe 18, a nozzle is arranged on the outer surface of the second air supply pipe 32, a second protective box is arranged on the rear side of the dust removal box 1, and the inner surface of the second protective box A first pull rod 20 is provided at the bottom, and a first spring 21 is sleeved on the outer surface of the first pull rod 20, and the diameter of the first pull rod 20 is adapted to the inner diameter of the second through hole. A baffle 16 is provided at the bottom of the dust removal box 1, and a second pull rod 3 is provided inside the baffle 16, and a second spring 15 is sleeved on the outer surface of the first pull rod. A second collecting box 4 is provided below the dust removal box 1, and a third through hole is opened on one side of the second collecting box 4, and the inner diameter of the third through hole is adapted to the diameter of the second pull rod 3. A first control valve 33 is provided near the bottom of the dust removal box 1.
[0031] In order to realize the effect of the desulfurization and dust removal device for combustion exhaust gas being easy to clean and filter dust and treat sulfide, as shown in the attached Figure 2-5 As shown, the present application adopts the following structure, through the cooperation of the first pull rod 20, the first spring 21, the first filter plate 11, the controller 2, the pulse valve 19, the filter bag 13, the first control valve 33, the second collection box 4, the second pull rod 3, the second spring 15 and the second collection box 4, during use, when the surface of the first filter plate 11 absorbs more dust, the first pull rod 20 is pulled, and the first pull rod 20 squeezes the first spring 21, and at the same time, the other end of the first pull rod 20 is detached from the second through hole of the first filter plate 11, and then the first filter plate 11 is pulled out And remove the dust on the surface of the first filter plate 11. After cleaning, pull the first pull rod 20, the first pull rod 20 squeezes the first spring 21, puts the first filter plate 11 back to its original position, loosens the first pull rod 20, and the first spring 21 releases its elastic force, pushing the first pull rod 20 so that the other end of the first pull rod 20 is stuck in the second through hole of the first filter plate 11 to fix the first filter plate 11. When there is a lot of dust on the surface of the filter bag 13, the pulse valve 19 is opened by the controller 2 (the pulse valve 19 refers to a pilot valve controlled by an electromagnetic or pneumatic valve, which can open and close the high pressure in an instant The pulse valve 19 is the main component of the bag filter. The compressed air cylinder in the compressed air tank 17 is blown into the filter bag 13 through the first air pipe 18 and the second air pipe 32, so that the filter bag 13 repeatedly expands and contracts, thereby shaking off the dust on the surface of the filter bag 13. The first control valve 33 is opened by the controller 2, so that the dust shaken off the surface of the filter bag 13 falls into the second collection box 4. When the second collection box 4 is full, the second pull rod 3 is pulled, and the second pull rod 3 squeezes the second spring 15. At the same time, the second pull rod 3 The other end is detached from the third through hole of the second collecting box 4, and the second collecting box 4 is pushed away. The absorbent sprayed by the atomizing spray 23 contacts the exhaust gas after the preliminary desulfurization to form a dry or semi-dry product, and the dry or semi-dry product falls into the first collecting box 25. The protective door is opened to take out the second collecting box 4, and the dry or semi-dry product is processed. When the limestone slurry is completely gypsumized, the second control valve 28 is opened to release the gypsum, thereby achieving the effect of facilitating the cleaning of filtered dust and the treatment of sulfides in the desulfurization and dust removal device for combustion exhaust gas.
[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A desulfurization and dust removal device for combustion exhaust gas, comprising a dust removal box and a desulfurization box, characterized in that: A controller is provided on the front side of the dust removal box, a first air inlet pipe is provided on the top of the dust removal box, a first filter plate is provided inside the dust removal box, a first partition plate and a second partition plate are provided inside the dust removal box, a second air inlet pipe is provided inside the first partition plate and the second partition plate, a first through hole is opened inside the second partition plate, a filter bag is provided inside the first through hole, a first support plate is provided on the rear side wall of the dust removal box, a compressed air tank is provided on the top of the first support plate, a first air supply pipe is provided at the output end of the compressed air tank, a pulse valve is provided inside the first air supply pipe, a second support plate is provided on the outer surface of the desulfurization box, a water pump is provided on the top of the second support plate, an L-shaped pipe is provided at the output end of the water pump, and an atomizing spray is provided at the other end of the L-shaped pipe, a third partition plate is provided inside the desulfurization box, a first collecting box is provided on the top of the third partition plate, a first protective box is provided at the bottom of the desulfurization box, and a first motor is provided on the inner bottom wall of the first protective box.
2. A desulfurization and dust removal device for combustion exhaust gas according to claim 1, characterized in that: The front and rear inner side walls of the dust removal box are provided with a third support plate, the third filter plate is located on the top of the first support plate, and a second through hole is opened on one side of the first filter plate.
3. The desulfurization and dust removal device for combustion exhaust gas according to claim 1, characterized in that: A second air pipe is arranged on the outer surface of the first air pipe, a nozzle is arranged on the outer surface of the second air pipe, a second protective box is arranged on the rear side of the dust removal box, a first pull rod is arranged inside the second protective box, a first spring is sleeved on the outer surface of the first pull rod, and the diameter of the first pull rod is adapted to the inner diameter of the second through hole.
4. The desulfurization and dust removal device for combustion exhaust gas according to claim 1, characterized in that: A baffle is provided at the bottom of the dust removal box, a second pull rod is provided inside the baffle, and a second spring is sleeved on the outer surface of the pull rod. A second collecting box is provided below the dust removal box, a third through hole is provided on one side of the second collecting box, and the inner diameter of the third through hole is adapted to the diameter of the second pull rod. A first control valve is provided near the bottom of the dust removal box.
5. The desulfurization and dust removal device for combustion exhaust gas according to claim 1, characterized in that: A first gear is provided at the output end of the first motor, and a rotating rod is rotatably connected to the bottom wall of the dust removal box through a bearing ball. A hinged blade is provided on the outer surface of the rotating rod, and a second gear is provided at the bottom of the rotating rod. The first gear is meshed with the second gear.
6. The desulfurization and dust removal device for combustion exhaust gas according to claim 1, characterized in that: Limestone slurry is stored inside the desulfurization box, a first air outlet pipe is arranged inside the dust removal box, one end of the first air outlet pipe is located between the first partition plate and the second partition plate, and the other end of the air outlet pipe is located inside the desulfurization box, a discharge pipe is arranged at the bottom of the desulfurization box, and a second control valve is arranged inside the discharge pipe.
7. The desulfurization and dust removal device for combustion exhaust gas according to claim 1, characterized in that: A second air outlet pipe is arranged inside the third partition plate, and a third air outlet pipe is arranged on the top of the dust removal box.
8. The desulfurization and dust removal device for combustion exhaust gas according to claim 1, characterized in that: A protective door is hinged on the outer surface of the desulfurization box, a third filter plate is arranged inside the desulfurization box, and the second filter plate is located above the atomizing spray.