Dust removal mechanism for deslagging of boiler
By designing a dust removal mechanism for boiler slag discharge, including crushing, dust collection, transportation and spraying functions, the problems of large slag volume and high dust are solved, and the convenient transportation of slag and cleaning of the working environment are achieved.
Patent Information
- Application Number
- CN202421978876.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-08-15
AI Technical Summary
In the prior art, the slag block discharged from the boiler is large in size and is inconvenient to transport. It is easy to generate a large amount of dust during transportation, which endangers the health of staff.
A dust removal mechanism for boiler slag discharge is designed, including a crushing mechanism, a dust collection mechanism, a conveying mechanism and a spray part. The crushing mechanism is used to crush large pieces of slag into small pieces. The dust collecting mechanism absorbs the dust generated during crushing. The conveying mechanism is transported through the conveying pipe and the conveying member. The spraying member sprays liquid to settle the dust.
Through the crushing mechanism and the absorption of the dust collection mechanism, the volume of slag and dust generation are reduced, which is convenient for transportation and processing, while maintaining the cleanliness of the working environment and protecting the health of the staff.
Smart Images
Figure CN222963959U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of slag discharging equipment, and particularly relates to a dust removal mechanism for boiler slag discharging. Background Art
[0002] As a necessary technical equipment in the fields of chemical industry, metallurgy, energy, petroleum, etc., boilers are also constantly improved and optimized with the needs of industrial production. Although the technical performances such as the thermal efficiency of boiler equipment are constantly improving, due to the limitations of the fuel itself, during the combustion process of the fuel in the boiler, slag will inevitably be generated. For some large coal-fired boilers, the daily slag discharge can reach hundreds of tons, and the problem of slag treatment becomes increasingly important.
[0003] In the prior art, the slag discharged from the boiler is directly poured into the slag transport vehicle. Since some of the slag blocks are relatively large in volume, the large slag blocks piled up together will occupy a large space, which is inconvenient for transportation. Moreover, during the process of pouring the slag into the slag transport vehicle, a large amount of dust will fly, and the dust will disperse into the production workshop, which is likely to cause damage to the physical health of the staff. Summary of the Utility Model
[0004] The purpose of the utility model is to overcome the above technical deficiencies, and provide a dust removal mechanism for boiler slag discharging, so as to solve the problems that the slag blocks are relatively large in volume and inconvenient for transportation, and a large amount of dust is easily generated during transportation in the prior art.
[0005] To achieve the above technical purpose, the utility model adopts the following technical solutions:
[0006] The utility model provides a dust removal mechanism for boiler slag discharging, which includes a crushing mechanism, a dust collection mechanism, a conveying mechanism and a spraying member. The crushing mechanism is used for crushing the slag. The dust collection mechanism is communicated with the crushing mechanism. The conveying mechanism includes a conveying pipe and a transmission member. The feed inlet of the conveying pipe is communicated with the discharge port of the crushing mechanism. The transmission member is arranged in the conveying pipe along the length direction of the conveying pipe. A conveying channel is formed on the transmission member. One end of the conveying channel corresponds to the feed inlet, and the other end corresponds to the discharge port of the conveying pipe. A plurality of the spraying members are arranged on the conveying pipe at intervals along the length of the conveying pipe, and the spraying members are used for spraying liquid into the conveying channel.
[0007] In some embodiments, the crushing mechanism includes a crushing cylinder, two crushing rollers and two reduction motors. The two crushing rollers are arranged in the crushing cylinder at intervals and rotatably. A crushing gap is formed between the two crushing rollers. The two reduction motors are both fixed on the crushing cylinder, and the output ends of the two reduction motors are respectively fixedly connected with one ends of the two crushing rollers.
[0008] In some embodiments, the crushing mechanism further includes a pressing member disposed above the two crushing rollers. The pressing member includes a plurality of support rods, two telescopic portions, and a pressing plate. The plurality of support rods are fixedly disposed in the crushing cylinder at intervals. The two telescopic portions are respectively fixedly disposed on opposite sides of the crushing cylinder. The two pressing plates are disposed in the crushing cylinder and are respectively connected to the output ends of the two telescopic portions, and the two pressing plates are located above the plurality of support rods.
[0009] In some embodiments, a plurality of nozzles are provided at the top of the crushing cylinder.
[0010] In some embodiments, the dust collection mechanism includes a dust collection box and a plurality of cloth bag cylinders. A dust collection chamber is provided in the dust collection box, and an exhaust chamber is located above the dust collection chamber. The plurality of cloth bag cylinders are disposed in the dust collection chamber. The dust collection chamber communicates with the exhaust chamber via the plurality of cloth bag cylinders. The dust collection chamber communicates with the crushing cylinder via an air extraction pump.
[0011] In some embodiments, the dust collection mechanism further includes a pulse backwashing member. The pulse backwashing member includes a high-pressure gas storage tank, a guide pipe, and a high-pressure nozzle. The high-pressure gas storage tank is fixedly disposed on the dust collection box. One end of the guide pipe is connected to the high-pressure gas storage tank via a pulse valve. The other end of the guide pipe extends into the exhaust chamber and is connected to a plurality of high-pressure nozzles, and each of the high-pressure nozzles corresponds to the opening of each cloth bag cylinder.
[0012] In some embodiments, the transmission member includes two rollers, a conveyor belt, and a servo motor. The two rollers are rotatably disposed in the conveying pipe. The conveyor belt is connected between the two rollers. The conveying channel is formed on the outer side surface of the conveyor belt. The servo motor is fixedly disposed on the conveying pipe and the output end is connected to one of the rollers.
[0013] In some embodiments, a plurality of idler rollers are rotatably disposed in the conveying pipe, and the plurality of idler rollers support the inner side surface of the conveyor belt.
[0014] In some embodiments, crushing teeth are provided on one side of each of the two pressing plates that are close to each other.
[0015] In some embodiments, the telescopic portion is an electric push rod, a pneumatic cylinder, or a hydraulic cylinder.
[0016] Compared with the prior art, a dust removal mechanism for boiler slag discharge provided by the utility model uses a crushing mechanism to crush the slag, which can reduce the volume of the slag and facilitate the transportation and treatment of the slag. At the same time, the dust collection mechanism is connected to the crushing mechanism, and the dust collection mechanism can absorb the dust generated during the crushing of the slag; and the feed port of the conveying pipe is connected to the discharge port of the crushing mechanism, and the transmission member is arranged in the conveying pipe along the length direction of the conveying pipe. A conveying channel is formed on the transmission member. One end of the conveying channel corresponds to the feed port, and the other end corresponds to the discharge port of the conveying pipe. A plurality of spraying members are arranged on the conveying pipe at intervals along the length of the conveying pipe. The spraying members are used to spray liquid towards the conveying channel, and the liquid sprays and settles the dust, preventing the slag from raising dust during the falling process, helping to maintain the cleanliness of the working environment, and reducing the impact on the physical health of the staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 FIG. 6 is a schematic structural diagram of a dust removal mechanism for boiler slag discharge provided by an embodiment of the utility model;
[0018] Figure 2 FIG. 10 is a schematic structural diagram of the crushing mechanism provided by an embodiment of the utility model;
[0019] Figure 3 FIG. 14 is a schematic structural diagram of the conveying mechanism provided by an embodiment of the utility model;
[0020] Figure 4 FIG. 18 is a schematic structural diagram of the dust collection mechanism provided by an embodiment of the utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] In order to make the objectives, technical solutions and advantages of the utility model clearer and more understandable, the following further details the utility model in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model.
[0022] In order to solve the technical problems in the prior art that the volume of the slag block is relatively large and inconvenient for transportation, and a large amount of dust is easily generated during transportation, the utility model provides a dust removal mechanism for boiler slag discharge, which can reduce the dust raised during the crushing and transportation of the slag and maintain the cleanliness of the working workshop.
[0023] Please refer to Figures 1-4 , Figures 1-4A dust removal mechanism for boiler slag discharge in an embodiment of the present utility model includes a crushing mechanism 1, a dust collection mechanism 2, a conveying mechanism 3, and a spraying member 4. The crushing mechanism 1 is used to crush the furnace slag. The dust collection mechanism 2 is connected to the crushing mechanism 1. The conveying mechanism 3 includes a conveying pipe 31 and a transmission member 32. The feed port of the conveying pipe 31 is connected to the discharge port of the crushing mechanism 1. The transmission member 32 is arranged in the conveying pipe 31 along the length direction of the conveying pipe 31. A conveying channel is formed on the transmission member 32. One end of the conveying channel corresponds to the feed port, and the other end corresponds to the discharge port of the conveying pipe 31. A plurality of the spraying members 4 are arranged on the conveying pipe 31 at intervals along the length of the conveying pipe 31. The spraying member 4 is used to spray liquid into the conveying channel.
[0024] In this specific embodiment, the crushing mechanism 1 includes a crushing cylinder 11, two crushing rollers 12, and two reduction motors 13. The two crushing rollers 12 are arranged in the crushing cylinder 11 at intervals and rotatably. A crushing gap is formed between the two crushing rollers 12. The two reduction motors 13 are both fixed on the crushing cylinder 11. The output ends of the two reduction motors 13 are respectively fixedly connected to one ends of the two crushing rollers 12.
[0025] It should be noted that one crushing roller 12 rotates clockwise, and the other crushing roller 12 rotates counterclockwise. After the massive furnace slag falls into the crushing gap, the furnace slag can be crushed by the crushing rollers 12.
[0026] On the basis of the above scheme, in order to be able to pre-crush large pieces of furnace slag, specifically, please refer to Figure 1 and Figure 2 , the crushing mechanism 1 further includes an extrusion member 14 arranged above the two crushing rollers 12. The extrusion member 14 includes a plurality of support rods 141, two telescopic parts 142, and a pressing plate 143. The plurality of support rods 141 are fixedly arranged in the crushing cylinder 11 at intervals. The two telescopic parts 142 are respectively fixedly arranged on opposite sides of the crushing cylinder 11. The two pressing plates 143 are arranged in the crushing cylinder 11 and are respectively connected to the output ends of the two telescopic parts 142. And the two pressing plates 143 are located above the plurality of support rods 141.
[0027] In addition, crushing teeth are arranged on the sides of the two pressing plates 143 close to each other. In one embodiment, the telescopic part 142 is an electric push rod. Of course, in other embodiments, the telescopic part 142 can also be a pneumatic cylinder or a hydraulic cylinder.
[0028] It should be noted that by driving the two pressing plates 143 to approach each other through the two telescopic parts 142, the large pieces of furnace slag can be crushed. The crushed furnace slag can then fall through the gap between the plurality of support rods 141 to between the two crushing rollers 12 and be secondarily crushed by the two crushing rollers 12.
[0029] On the basis of the above solution, a plurality of nozzles 5 are provided at the top of the crushing cylinder 11, and liquid is sprayed into the crushing cylinder 11 through the plurality of nozzles 5. The liquid can absorb the dust in the air flow and reduce the dust flying.
[0030] In this specific embodiment, please refer to Figure 1 and Figure 4 , the dust collection mechanism 2 includes a dust collection box 21 and a plurality of cloth bag cylinders 22. A dust collection chamber is provided in the dust collection box 21, and an exhaust chamber is located above the dust collection chamber. The plurality of cloth bag cylinders 22 are provided in the dust collection chamber. The dust collection chamber is communicated with the exhaust chamber through the plurality of cloth bag cylinders 22, and the dust collection chamber is communicated with the crushing cylinder 11 through an air extraction pump 23.
[0031] Wherein, a plurality of air permeable holes are formed in the exhaust chamber. The air extraction pump 23 pumps the air flow in the crushing cylinder 11 to the dust collection chamber, and the plurality of cloth bag cylinders 22 can filter out the dust in the air flow.
[0032] On the basis of the above solution, please refer to Figure 1 and Figure 4 , the dust collection mechanism 2 further includes a pulse backwashing member 24. The pulse backwashing member 24 includes a high-pressure gas storage tank 241, a guide pipe 242 and a high-pressure nozzle 243. The high-pressure gas storage tank 241 is fixedly arranged on the dust collection box 21. One end of the guide pipe 242 is connected to the high-pressure gas storage tank 241 via a pulse valve. The other end of the guide pipe 242 extends into the exhaust chamber and is connected to the plurality of high-pressure nozzles 243, and each of the high-pressure nozzles 243 corresponds to the opening of each cloth bag cylinder 22 respectively.
[0033] Specifically, high-pressure gas is sprayed on each cloth bag cylinder 22 through each high-pressure nozzle 243, and the high-pressure gas can shake off the dust adsorbed on the cloth bag cylinder 22.
[0034] In this specific embodiment, the transmission member 32 includes two rollers 321, a conveyor belt 322 and a servo motor 323. The two rollers 321 are rotatably arranged in the conveying pipe 31. The conveyor belt 322 is connected between the two rollers 321. The conveying channel is formed on the outer side surface of the conveyor belt 322. The servo motor 323 is fixedly arranged on the conveying pipe 31 and the output end is connected to one of the rollers 321.
[0035] Wherein, a plurality of supporting rollers 324 are rotatably arranged in the conveying pipe 31, and the plurality of supporting rollers 324 support the inner side surface of the conveyor belt 322. In one embodiment, the conveyor belt 322 is a corrugated side conveyor belt.
[0036] For a better understanding of the present invention, the following is combined with Figures 1 to 4A detailed description of the technical solution of the present utility model is as follows:
[0037] Slag falls from the boiler into the crushing cylinder 11. The two telescopic parts 142 drive the two pressing plates 143 to approach each other, so that large pieces of slag can be crushed. The crushed slag falls between the two crushing rollers 12 and is secondarily crushed by the two rotating crushing rollers 12. The crushed slag falls onto the conveyor belt for conveying. The plurality of spraying parts 4 spray liquid towards the conveying channel, and the liquid can absorb the flying dust.
[0038] The specific embodiments of the present utility model described above do not constitute a limitation on the protection scope of the present utility model. Any other corresponding changes and deformations made according to the technical concept of the present utility model shall be included in the protection scope of the claims of the present utility model.
Claims
1. A dust removal mechanism for boiler slag discharge, comprising a crushing mechanism, a dust collecting mechanism, a conveying mechanism and a spraying member, characterized in that: The crushing mechanism is used to crush the slag, the dust collecting mechanism is connected to the crushing mechanism, the conveying mechanism includes a conveying pipe and a transmission member, the feed port of the conveying pipe is connected to the discharge port of the crushing mechanism, the transmission member is arranged in the conveying pipe along the length direction of the conveying pipe, and a conveying channel is formed on the transmission member, one end of the conveying channel corresponds to the feed port, and the other end corresponds to the discharge port of the conveying pipe. A plurality of spray members are arranged on the conveying pipe at intervals along the length of the conveying pipe, and the spray members are used to spray liquid toward the conveying channel.
2. A boiler slag removal mechanism according to claim 1, characterized in that: The crushing mechanism includes a crushing drum, two crushing rollers and two reduction motors. The two crushing rollers are arranged in the crushing drum at an interval and rotate. A crushing gap is formed between the two crushing rollers. The two reduction motors are fixed to the crushing drum, and the output ends of the two reduction motors are fixedly connected to one end of the two crushing rollers respectively.
3. A boiler slag removal mechanism according to claim 2, characterized in that: The crushing mechanism also includes an extrusion member arranged above the two crushing rollers, the extrusion member includes a plurality of support rods, two telescopic parts and a pressure plate, the plurality of support rods are fixedly arranged in the crushing barrel at intervals, the two telescopic parts are respectively fixedly arranged on opposite sides of the crushing barrel, the two pressure plates are arranged in the crushing barrel and are respectively connected to the output ends of the two telescopic parts, and the two pressure plates are located above the plurality of support rods.
4. A boiler slag removal mechanism according to claim 3, characterized in that: A plurality of nozzles are arranged on the top of the crushing cylinder.
5. A boiler slag removal dust removal mechanism according to claim 2, characterized in that: The dust collecting mechanism includes a dust collecting box and multiple bag tubes. The dust collecting box is provided with a dust collecting chamber and an exhaust chamber located above the dust collecting chamber. Multiple bag tubes are arranged in the dust collecting chamber. The dust collecting chamber is connected with the exhaust chamber via multiple bag tubes. The dust collecting chamber is connected with the crushing tube via an exhaust pump.
6. A boiler slag removal mechanism according to claim 5, characterized in that: The dust collecting mechanism also includes a pulse back-blowing component, which includes a high-pressure gas storage tank, an air guide pipe and a high-pressure nozzle. The high-pressure gas storage tank is fixed on the dust collecting box, one end of the air guide pipe is connected to the high-pressure gas storage tank via a pulse valve, and the other end of the air guide pipe extends into the exhaust chamber and is connected to a plurality of high-pressure nozzles, and each of the high-pressure nozzles corresponds to an opening of each bag tube.
7. A boiler slag removal mechanism according to claim 1, characterized in that: The transmission component includes two rollers, a conveyor belt and a servo motor. The two rollers are rotatably arranged in the conveying pipe. The conveyor belt is connected between the two rollers. The conveying channel is formed on the outer side of the conveyor belt. The servo motor is fixed on the conveying pipe and the output end is connected to one of the rollers.
8. A boiler slag removal dust removal mechanism according to claim 7, characterized in that: A plurality of rollers are rotatably arranged in the conveying pipe, and the plurality of rollers are supported on the inner side surface of the conveying belt.
9. A boiler slag removal dust removal mechanism according to claim 3, characterized in that: Crushing teeth are arranged on the adjacent sides of the two pressing plates.
10. A boiler slag removal dust removal mechanism according to claim 3, characterized in that: The telescopic part is an electric push rod, a pneumatic cylinder or a hydraulic cylinder.