Dust remover for desulfurization and dust removal of circulating fluidized bed boiler
By designing dust collectors including bottom plate, heat recovery bucket, bag dust collector and collection mechanism in a circulating fluidized bed boiler, the problem that the boiler cannot effectively collect dust during dust removal is solved, and the work efficiency and convenience are improved.
Patent Information
- Application Number
- CN202421120136.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-22
AI Technical Summary
The existing boilers cannot effectively collect dust during dust removal, which makes cleaning time-consuming and labor-intensive and reduces work efficiency.
A dust collector for desulfurization and dust removal of circulating fluidized bed boiler is designed, including bottom plate, heat recovery barrel, bag dust removal barrel and collection mechanism. The dust is realized through components such as flue gas input pipe, water flow input pipe, temperature sensor and solenoid valve. Effectively collect and filter.
It improves the efficiency of the dust removal process, reduces the time and labor for cleaning dust, and achieves efficient and convenient dust collection and treatment.
Smart Images
Figure CN222256655U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of boilers, in particular to a dust collector for desulfurization and dust removal of a circulating fluidized bed boiler. Background Art
[0002] Biomass boiler is a type of boiler. A boiler that uses biomass energy as fuel is called a biomass boiler. It is divided into biomass steam boiler, biomass hot water boiler, biomass hot air furnace, biomass thermal oil furnace, vertical biomass boiler, horizontal biomass boiler, etc. Biomass boilers will produce a large amount of high-temperature flue gas during the combustion process. The high-temperature flue gas needs to be dust-removed before it can be discharged. Generally, auxiliary dust removal is carried out through a bag dust collector structure to make the flue gas meet the emission requirements.
[0003] At present, the existing boilers cannot effectively collect dust during dust removal, which makes the cleaning process time-consuming and labor-intensive, thereby reducing work efficiency. Utility Model Content
[0004] The utility model aims to provide a dust collector for desulfurization and dust removal of a circulating fluidized bed boiler to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust collector for desulfurization and dust removal of a circulating fluidized bed boiler, comprising a base plate, and also comprising a heat recovery barrel and a bag dust collector barrel fixed on the top of the base plate, the inner wall of the heat recovery barrel being connected to a flue gas input pipe and a water flow input pipe respectively; a collecting mechanism for collecting dust is arranged inside the bag dust collector barrel, the collecting mechanism comprises a placement box fixed to the inner wall of the bag dust collector barrel, the inner wall of the placement box is fixedly connected to a support plate, the top of the support plate is provided with an ash collecting box, the inner wall of the ash collecting box is fixedly connected to a vertical rod, the top of the vertical rod is fixedly connected to a pull plate, and the inner wall of the ash collecting box is provided with filter holes.
[0006] Preferably, a steam generator is fixedly connected to the top of the heat recovery barrel, and a steam output pipe is connected to the inner wall of the steam generator.
[0007] Preferably, the inner wall of the heat recovery barrel is connected to a first smoke conveying pipe, and one end of the first smoke conveying pipe is connected to a first fan.
[0008] Preferably, the inner wall of the first fan is connected to a first smoke exhaust pipe, one end of the first smoke exhaust pipe is connected to the inner wall of the bag dust collector barrel, and the inner wall of the first smoke exhaust pipe is respectively provided with a temperature sensor and a solenoid valve.
[0009] Preferably, a partition is fixedly connected to the inner wall of the bag-type dust collector barrel, and a second smoke conveying pipe is fixedly connected to the inner wall of the partition.
[0010] Preferably, the bottom end of the second smoke conveying pipe is connected to the second fan, and the inner wall of the second fan is connected to the second smoke exhaust pipe.
[0011] Preferably, a barrel cover is provided on the top of the bag dust collector barrel, and a handle is fixedly connected to the top of the barrel cover.
[0012] Preferably, the inner wall of the steam generator is electrically connected to a first wire, and one end of the first wire is electrically connected to a battery.
[0013] Preferably, the inner wall of the battery is electrically connected to a second wire and a third wire, one end of the second wire is electrically connected to the inner wall of the temperature sensor, and one end of the third wire is electrically connected to the inner wall of the solenoid valve.
[0014] Preferably, a connecting plate is fixedly connected to the top of the battery, and two sides of the connecting plate are respectively fixedly connected to the outer sides of the heat recovery barrel and the bag dust removal barrel.
[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0016] The utility model discloses to collect the dust generated by smoke treatment by setting a collection mechanism, so that it can save time and labor in treatment, be efficient and convenient, improve work efficiency, and solve the problem that the existing boiler cannot effectively collect dust during dust removal, which makes it time-consuming and labor-intensive to clean and reduces work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 A schematic structural diagram of a preferred embodiment of a dust collector for desulfurization and dust removal of a circulating fluidized bed boiler provided by the utility model;
[0018] Figure 2 This is a schematic diagram of the structure inside the bag dust removal barrel provided by the utility model;
[0019] Figure 3 A schematic diagram of the structure of the collection mechanism provided by the utility model;
[0020] Figure 4 This is a schematic structural diagram of the top and bottom of the connecting plate provided by the utility model.
[0021] In the figure: 1. bottom plate; 2. heat recovery barrel; 3. bag dust removal barrel; 4. collection mechanism; 41. placement box; 42. support plate; 43. ash collection box; 44. vertical rod; 45. pull plate; 46. filter hole; 5. flue gas input pipe; 6. water flow input pipe; 7. steam generator; 8. steam output pipe; 9. first smoke delivery pipe; 10. first fan; 11. first smoke exhaust pipe; 12. temperature sensor; 13. solenoid valve; 14. partition; 15. second smoke delivery pipe; 16. second fan; 17. second smoke exhaust pipe; 18. barrel cover; 19. handle; 20. first wire; 21. battery; 22. second wire; 23. third wire; 24. connecting plate. DETAILED DESCRIPTION
[0022] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.
[0023] See also Figure 1-4 As shown, a dust collector for desulfurization and dust removal of a circulating fluidized bed boiler comprises a bottom plate 1, and also comprises a heat recovery barrel 2 and a bag dust removal barrel 3 fixed on the top of the bottom plate 1, the inner wall of the heat recovery barrel 2 is respectively connected with a flue gas input pipe 5 and a water flow input pipe 6; a collecting mechanism 4 is arranged inside the bag dust removal barrel 3 for collecting dust, and the collecting mechanism 4 comprises a placing box 41 fixed to the inner wall of the bag dust removal barrel 3, the inner wall of the placing box 41 is fixedly connected with a support plate 42, an ash collecting box 43 is arranged on the top of the support plate 42, the inner wall of the ash collecting box 43 is fixedly connected with a vertical rod 44, the top of the vertical rod 44 is fixedly connected with a pull plate 45, and the inner wall of the ash collecting box 43 is provided with a filter hole 46; by setting the bottom The plate 1 can be used to place a heat recovery barrel 2 and a bag-type dust collector barrel 3. By setting the heat recovery barrel 2, the gas generated by the boiler can be cooled. By setting the bag-type dust collector barrel 3, the dust in the flue gas can be filtered and collected, so that the flue gas meets the emission standards. By setting the flue gas inlet pipe 5, the flue gas generated by the boiler can be transported. By setting the water flow inlet pipe 6, cold water can be transported into the bag-type dust collector barrel 3. By setting the placement box 41 and the support plate 42, the ash box 43 can be placed. By setting the ash box 43, dust can be collected. By setting the vertical rod 44 and the pull plate 45, the ash box 43 can be easily taken out of the bag-type dust collector barrel 3. By setting the filter hole 46, the dust in the flue gas can be filtered, so that the flue gas meets the emission standards.
[0024] See also Figure 1-4As shown, the top of the heat recovery barrel 2 is fixedly connected to a steam generator 7, and the inner wall of the steam generator 7 is connected to a steam output pipe 8; the inner wall of the heat recovery barrel 2 is connected to a first smoke conveying pipe 9, and one end of the first smoke conveying pipe 9 is connected to a first fan 10; the inner wall of the first fan 10 is connected to a first smoke exhaust pipe 11, and one end of the first smoke exhaust pipe 11 is connected to the inner wall of the bag dust removal barrel 3, and the inner wall of the first smoke exhaust pipe 11 is respectively provided with a temperature sensor 12 and a solenoid valve 13; the inner wall of the bag dust removal barrel 3 is fixedly connected to a partition 14, and the inner wall of the partition 14 is fixedly connected to a second smoke conveying pipe 15; the bottom of the second smoke conveying pipe 15 is connected to the inner wall of the bag dust removal barrel 3. The end is connected to the second fan 16, and the inner wall of the second fan 16 is connected to the second smoke exhaust pipe 17; a barrel cover 18 is provided on the top of the bag dust removal barrel 3, and a handle 19 is fixedly connected to the top of the barrel cover 18; the inner wall of the steam generator 7 is electrically connected to the first wire 20, and one end of the first wire 20 is electrically connected to the battery 21; the inner wall of the battery 21 is electrically connected to the second wire 22 and the third wire 23 respectively, one end of the second wire 22 is electrically connected to the inner wall of the temperature sensor 12, and one end of the third wire 23 is electrically connected to the inner wall of the solenoid valve 13; the top of the battery 21 is fixedly connected to the connecting plate 24, The two sides of the connecting plate 24 are respectively fixedly connected to the outer sides of the heat recovery barrel 2 and the bag dust removal barrel 3. By setting the steam generator 7, the steam generated by heating the cold water with the boiler flue gas can be used to generate electricity, and then the current is transmitted to the battery 21 through the first wire 20 for storage. By setting the steam output pipe 8, the discharge of steam can be facilitated. By setting the first smoke conveying pipe 9, the first fan 10 and the first smoke exhaust pipe 11, the smoke cooled in the heat recovery barrel 2 can be drawn out to the bag dust removal barrel 3. By setting the temperature sensor 12, the gas temperature can be detected. When the temperature is too high, the solenoid valve 13 can be closed in time. By setting the partition 14, the gas temperature can be detected. The space inside the bag dust collector barrel 3 is divided. By arranging the second smoke conveying pipe 15, the second fan 16 and the second smoke exhaust pipe 17, the filtered smoke in the bag dust collector barrel 3 can be easily discharged. By arranging the barrel cover 18 and the handle 19, the bag dust collector barrel 3 can be opened and the dust can be taken out. By arranging the battery 21, power can be provided for the temperature sensor 12 and the solenoid valve 13. By arranging the second wire 22 and the third wire 23, the temperature sensor 12 and the solenoid valve 13 can be electrically connected to the battery 21. By arranging the connecting plate 24, the heat recovery barrel 2 and the bag dust collector barrel 3 can be connected, and the first fan 10 and the battery 21 can be fixed.
[0025] Working principle: The user discharges the flue gas generated by the boiler into the heat recovery barrel 2 through the flue gas input pipe 5, opens the water flow input pipe 6 to discharge cold water into the heat recovery barrel 2, so that the flue gas heats the cold water and also cools the overheated flue gas. The steam generated by the cold water heating is transmitted to the steam generator 7 for steam power generation. The current is transmitted to the battery 21 through the first conductor 20 for storage. The first fan 10 is turned on to draw the cooled flue gas in the heat recovery barrel 2 to the bag dust removal barrel 3. The temperature sensor 12 The induction flue gas is stable. If the temperature is too high, a signal is transmitted to the solenoid valve 13 to shut down the flue gas delivery. After the flue gas enters the bag-type dust collector barrel 3, the second fan 16 is turned on to draw the flue gas through the second smoke delivery pipe 15 and the second smoke exhaust pipe 17 to the outside of the bag-type dust collector barrel 3 for discharge. Before the flue gas is discharged, it is filtered through the filter hole 46 to keep the dust in the flue gas in the ash box 43. Finally, the barrel cover 18 is opened, and the ash box 43 is taken out of the bag-type dust collector barrel 3 through the pull plate 45 and the vertical rod 44 to clean the dust.
[0026] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. A dust collector for desulfurization and dust removal of a circulating fluidized bed boiler, comprising a bottom plate (1), characterized in that: Also includes: A heat recovery barrel (2) and a bag dust removal barrel (3) are fixed to the top of the bottom plate (1), and the inner wall of the heat recovery barrel (2) is respectively connected to a smoke input pipe (5) and a water flow input pipe (6); A collecting mechanism (4) is arranged inside the bag dust removal bucket (3) for collecting dust, the collecting mechanism (4) comprising a placement box (41) fixed to the inner wall of the bag dust removal bucket (3), the inner wall of the placement box (41) is fixedly connected to a support plate (42), a dust collection box (43) is arranged on the top of the support plate (42), the inner wall of the dust collection box (43) is fixedly connected to a vertical rod (44), the top of the vertical rod (44) is fixedly connected to a pull plate (45), and the inner wall of the dust collection box (43) is provided with a filter hole (46).
2. A dust collector for desulfurization and dust removal of a circulating fluidized bed boiler according to claim 1, characterized in that: The top of the heat recovery barrel (2) is fixedly connected to a steam generator (7), and the inner wall of the steam generator (7) is connected to a steam output pipe (8).
3. A dust collector for desulfurization and dust removal of a circulating fluidized bed boiler according to claim 2, characterized in that: The inner wall of the heat recovery barrel (2) is connected to a first smoke conveying pipe (9), and one end of the first smoke conveying pipe (9) is connected to a first fan (10).
4. A dust collector for desulfurization and dust removal of a circulating fluidized bed boiler according to claim 3, characterized in that: The inner wall of the first fan (10) is connected to a first smoke exhaust pipe (11), one end of the first smoke exhaust pipe (11) is connected to the inner wall of the bag dust removal barrel (3), and the inner wall of the first smoke exhaust pipe (11) is respectively provided with a temperature sensor (12) and a solenoid valve (13).
5. A dust collector for desulfurization and dust removal of a circulating fluidized bed boiler according to claim 4, characterized in that: The inner wall of the bag dust removal barrel (3) is fixedly connected to a partition (14), and the inner wall of the partition (14) is fixedly connected to a second smoke conveying pipe (15).
6. A dust collector for desulfurization and dust removal of a circulating fluidized bed boiler according to claim 5, characterized in that: The bottom end of the second smoke conveying pipe (15) is connected to the second fan (16), and the inner wall of the second fan (16) is connected to the second smoke exhaust pipe (17).
7. A dust collector for desulfurization and dust removal of a circulating fluidized bed boiler according to claim 5, characterized in that: A barrel cover (18) is arranged on the top of the bag dust removal barrel (3), and a handle (19) is fixedly connected to the top of the barrel cover (18).
8. The dust collector for desulfurization and dust removal of a circulating fluidized bed boiler according to claim 2, characterized in that: The inner wall of the steam generator (7) is electrically connected to a first wire (20), and one end of the first wire (20) is electrically connected to a storage battery (21).
9. A dust collector for desulfurization and dust removal of a circulating fluidized bed boiler according to claim 8, characterized in that: The inner wall of the battery (21) is electrically connected to a second wire (22) and a third wire (23), one end of the second wire (22) is electrically connected to the inner wall of the temperature sensor (12), and one end of the third wire (23) is electrically connected to the inner wall of the solenoid valve (13).
10. A dust collector for desulfurization and dust removal of a circulating fluidized bed boiler according to claim 9, characterized in that: A connecting plate (24) is fixedly connected to the top of the storage battery (21), and two sides of the connecting plate (24) are respectively fixedly connected to the outer sides of the heat recovery barrel (2) and the bag dust removal barrel (3).