Material conveying and dust removing device for iron-making sintering
By installing suction pipes and dust collection hoods during the ironmaking and sintering process, combined with bag filters to treat dust, the environmental pollution and health hazards during the transportation of iron pellets have been solved, achieving efficient dust removal and improved economic benefits.
Patent Information
- Application Number
- CN202520115984.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-17
AI Technical Summary
During the ironmaking and sintering process, a large amount of dust is generated during the transportation and transfer of iron pellets, leading to environmental pollution and health hazards. Existing dust removal equipment consumes a lot of power but the dust removal effect is not ideal.
Suction pipes are installed at key dust-generating points on the conveying pipeline, and dust-laden gas is collected through multiple dust collection hoods and a main bag filter. The gas is then treated in conjunction with a finished bag filter to achieve effective dust removal.
It effectively reduces the amount of dust in the air in the production environment, keeps the production environment clean, improves the storage and transportation efficiency of pellets, reduces power consumption and dust treatment costs, and avoids the risk of environmental penalties.
Smart Images
Figure CN223751997U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of iron smelting, in particular to a material conveying and dust removing device for iron smelting sintering. BACKGROUND
[0002] 198m 2 When a sintering plant is in production, pellets are used as raw materials for production. The pellets are pellet ores. The pellet ores are prepared by adding a small amount of additives to finely ground iron concentrate powder or other iron-containing powder, mixing, and then rolling into balls under the condition of water wetting through a balling machine. After drying and roasting, the pellets are solidified into spherical iron-containing raw materials with certain strength and metallurgical properties. In order to ensure good sintering effect in the subsequent sintering process, a large amount of dust is easily dropped during the transportation and transfer of the pellet ores.
[0003] The characteristics of the pellet ores result in serious environmental dust during the feeding process of the materials. During feeding, the visibility of the on-site environment is low, which not only seriously pollutes the surrounding environment, but also seriously endangers the health of personnel. The existing dust removal equipment has large power consumption and unsatisfactory dust removal effect.
[0004] The information disclosed in the background section is merely intended to increase an understanding of the overall context of the application and should not be considered as admitting or in any form suggesting that the information forms prior art that is known to those of ordinary skill in the art. CONTENT OF THE INVENTION
[0005] The application provides a material conveying and dust removing device for iron smelting sintering. The device is provided with suction pipes at key dust raising points on the conveying pipelines to effectively remove dust in the environment of the area, avoid environmental pollution, and prevent damage to the human body.
[0006] The application provides a material conveying and dust removing device for iron smelting sintering, which comprises a first feeding bin, a second feeding bin, a third feeding bin, a plurality of conveying belts, a plurality of dust collecting hoods, and a total bag-type dust collector.
[0007] The plurality of conveying belts are connected end to end.
[0008] The first feeding bin, the second feeding bin, and the third feeding bin are respectively connected to the feeding end of the first conveying belt.
[0009] The dust collecting hoods are arranged on the feeding end of each conveying belt.
[0010] The dust collecting hoods are arranged on the middle part of each conveying belt.
[0011] Preferably, the finished product bin, the finished product bag type dust collector, the finished product bin main air exhaust pipe; one end of the finished product bin main air exhaust pipe is in communication with the upper side wall of the finished product bin; the other end of the finished product bin main air exhaust pipe is in communication with the air inlet pipe of the finished product bag type dust collector;
[0012] The finished product bin main air exhaust pipe is in communication with the air inlet pipe of the total bag type dust collector.
[0013] Preferably, the valve is arranged on the pipe in communication with the air inlet pipe of the total bag type dust collector.
[0014] Preferably, the conveyor comprises a first conveyor and a second conveyor; the second conveyor discharge end of the first conveyor is connected with the feeding end of the second conveyor; the feeding end of the first conveyor is connected with the discharge port of the first feeding bin, the second feeding bin and the third feeding bin.
[0015] Preferably, the dust collecting cover comprises a discharge end dust collecting cover, a feeding end dust collecting cover and a middle dust collecting cover; the discharge end dust collecting cover is arranged above and opposite to the discharge end of the first conveyor and the second conveyor; the feeding end dust collecting cover is arranged above and opposite to the feeding end of the first conveyor and the second conveyor; and the middle dust collecting cover is arranged opposite to the middle part of the first conveyor and the second conveyor.
[0016] The feeding end dust collecting cover is arranged above and opposite to the feeding end of the first conveyor and the second conveyor; and the middle dust collecting cover is arranged opposite to the middle part of the first conveyor and the second conveyor.
[0017] Preferably, the dust collecting pipe comprises a first dust collecting pipe and a second dust collecting pipe; one end of the first dust collecting pipe is in communication with the total pipe and the other end of the first dust collecting pipe extends towards the first conveyor; one end of the second dust collecting pipe is in communication with the total pipe and the other end of the second dust collecting pipe extends towards the second conveyor.
[0018] The application can produce beneficial effects, including:
[0019] 1) The conveying and dust collecting device for ironmaking and sintering provided by the application can effectively reduce the air dust content in the production environment of vanadium-titanium pellet production and keep the production environment clean by arranging dust collecting covers at the inlet and outlet of the vanadium-titanium pellet bin, the head discharge end of the conveyor and the finished product bin, effectively collecting dust in the above-mentioned areas, and treating the collected dust-containing gas by the total bag type dust collector.
[0020] 2) The conveying and dust collecting device for ironmaking and sintering provided by the application can improve the storage and transfer efficiency of the pellet and effectively absorb the dust generated in the process. BRIEF DESCRIPTION OF DRAWINGS
[0021] Fig. 1 The conveying and dust collecting device for ironmaking and sintering provided by the application is shown in the schematic diagram of at least one embodiment of the application;
[0022] Fig. 2The schematic diagram of the overhead state of the conveyor in at least one embodiment provided in the application.
[0023] Legend:
[0024] Finished product bin 1, finished product bin main air extraction pipe 11, finished product bag type dust collector 12, valve 112,
[0025] Total bag type dust collector 2, air door 21, motor 22,
[0026] First dust collection pipe 3, discharge end dust collection cover 31, feeding end dust collection cover 32, second dust collection pipe 33, middle dust collection cover 34, first conveyor 121, second conveyor 122,
[0027] Pellet feed opening dust collection cover 4, first feeding bin 511, second feeding bin 512, third feeding bin 513, feeding bin opening 51. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0029] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.
[0030] Technical means not described in detail in the present application and not used to solve the technical problems of the present application are set according to common knowledge in the art, and various common knowledge setting modes can be implemented.
[0031] Referring to Figs. 1-2 The material conveying and dust removal device for ironmaking sintering provided in the present application comprises: a finished product bin 1, a finished product bin main air extraction pipe 11, a finished product bag type dust collector 12, a total bag type dust collector 2, an air inlet 21, a fan 23, a motor 22, a first dust collection pipe 3, a discharge end dust collection cover 31, a feeding end dust collection cover 32, a second dust collection pipe 33, a pellet feed opening dust collection cover 4, and a feeding bin opening 51.
[0032] The finished product bin 1 is used for storing sinter, and dust is also easily generated on the upper part of the sinter when the sinter is fed; the upper part of the finished product bin 1 is selected as the main dust removal point, the finished product bin main air extraction pipe 11 is arranged on the upper side wall of the finished product bin 1, the other end of the finished product bin main air extraction pipe 11 is inserted into the upper side wall of the finished product bin 1, and the other end is connected with the air inlet of the finished product bag type dust collector 12, so that the dust removal of the dust-containing gas in the upper part of the finished product bin 1 is realized through the finished product bag type dust collector 12.
[0033] The lower part of the finished product bin main air extraction pipe 11 is provided with a branch pipe and is connected with the air inlet pipe of the total bag type dust collector 2; the arrangement is beneficial to quickly remove a large amount of dust-containing gas generated when the material is fed, and the dust-containing gas at the end of the storage state is removed by using the finished product bag type dust collector 12. The dust collecting cover used in the application is a commercially available product, and the specific structure is that a pipe body is arranged at the middle of the top of the cover body to be connected with different components. The filtering area of the total bag type dust collector 2 used in the application is 2800m 2 .
[0034] At the same time, in order to ensure the effective removal of dust-containing gas in the process of feeding and conveying the vanadium-titanium pellet, a plurality of discharge end dust collecting covers 31 and feeding end dust collecting covers 32 are arranged, the discharge end dust collecting covers 31 are arranged opposite to the discharge end of the pellet conveying machine, and the feeding end dust collecting covers 32 are arranged opposite to the feeding end region of the pellet conveying machine, so that the dust-containing gas is comprehensively collected and treated. The plurality of discharge end dust collecting covers 31 and the feeding end dust collecting covers 32 are respectively connected with the pipe of the total bag type dust collector 2, so that the dust-containing gas is concentrated and removed.
[0035] In order to improve the conveying efficiency, in a specific embodiment, the first conveying machine 121 and the second conveying machine 122 are arranged in a head-to-tail mode, the feeding end of the first conveying machine 121 is connected with the discharge pipe of the feeding bin, the discharge end of the first conveying machine 121 is connected with the feeding end of the second conveying machine 122, and the discharge end of the second conveying machine 122 is connected with the finished product bin. Fig. 2 The arrangement positions of the first conveying machine 121 and the second conveying machine 122 are shown in the figure, and the specific installation method is arranged in the conventional manner in the prior art, which is not described here. Since the transferred material is the pellet, the pipeline can be used for transferring the material, or the elevator can be arranged according to the needs to transfer the pellet from the feeding bin to the conveying machine.
[0036] In a specific embodiment, a pair of feed end dust hoods 32 are arranged on the feed end of the first conveyor 121; a middle dust hood 34 is arranged on the middle part of the first conveyor 121; a discharge end dust hood 31 is arranged on the discharge end of the first conveyor 121; the feed end dust hood 32, the middle dust hood 34, and the discharge end dust hood 31 are respectively connected with the pipeline of the total bag-type dust collector 2. With this arrangement, the large amount of dust-containing gas generated during discharge can be effectively recovered and concentrated for dust removal.
[0037] In a specific embodiment, a pair of feed end dust hoods 32 are arranged on the feed end of the second conveyor 122; a middle dust hood 34 is arranged on the middle part of the second conveyor 122; a discharge end dust hood 31 is arranged on the discharge end of the second conveyor 122; the feed end dust hood 32, the middle dust hood 34, and the discharge end dust hood 31 are respectively connected with the pipeline of the total bag-type dust collector 2. With this arrangement, the large amount of dust-containing gas generated during discharge can be effectively recovered and concentrated for dust removal.
[0038] In a specific embodiment, it comprises: a first feed bin 511, a second feed bin 512, and a third feed bin 513; the first feed bin 511, the second feed bin 512, and the third feed bin 513 are used to contain purchased or self-produced pellets, which are transported into the finished product bin 1 by a conveyor according to production needs.
[0039] In a specific embodiment, it comprises: a main pipe; one end of the main pipe is connected with the pipeline of the total bag-type dust collector 2, and the other end is connected with the feed bin opening 51 of the first feed bin 511, the second feed bin 512, and the third feed bin 513. This arrangement can effectively collect and remove dust from the gas at the feed opening with a large amount of dust. The pellets are fed into the feed bin by a forklift or other equipment, and the amount of dust generated here is large.
[0040] In a specific embodiment, it comprises: a feed branch pipe; one end of the feed branch pipe is connected with the main pipe, and the other end is connected with the feed bin opening 51 of the first feed bin 511; a discharge end dust hood 31 is arranged on the feed branch pipe; the discharge end dust hood 31 is arranged opposite to the discharge end of the first conveyor 121.
[0041] In a specific embodiment, the extension end of the main pipe is respectively connected with the feed bin opening 51 of the second feed bin 512 and the third feed bin 513.
[0042] In a specific embodiment, it comprises: a plurality of valves 112; the valve 112 is arranged on the pipeline connecting the finished product bin main air extraction pipe 11 with the gas inlet of the total bag-type dust collector 2, which is used to control the gas entering the total bag-type dust collector 2 from the finished product bin main air extraction pipe 11 as needed.
[0043] For the convenience of installation, in a specific embodiment, it comprises: the first dust collection pipe 3, the second dust collection pipe 33; the first dust collection pipe 3 is communicated with the main pipe at one end, and the other end is arranged to extend above the first conveyor 121; the second dust collection pipe 33 is communicated with the main pipe at one end, and the other end is arranged to extend above the second conveyor 122; each dust cover is arranged on the first dust collection pipe 3 and the second dust collection pipe 33.
[0044] In a specific embodiment, during actual installation, the main pipe is also communicated with the pellet downcomer dust cover 4, which is used for collecting the environmental dust generated when the pellet downcomer enters the feed bin.
[0045] The total bag-type dust collector 2 used is a commercially available device, wherein in a specific embodiment, it comprises: a damper 21, a fan 23, and a motor 22; the fan 23 and the motor 22 are drivingly connected; and the damper 21 of the total bag-type dust collector 2 is arranged opposite to the fan 23. Air flow is generated in the total bag-type dust collector 2 by the fan 23 to perform dust removal.
[0046] Specific implementation effects:
[0047] The above device is set and used in the relevant production workshop of Xianfu Steel for 1 month, and the inspection effect is as follows:
[0048] 1. After the device is running, it is found that the overall dust removal effect is good, and the environmental pollution problem existing for more than ten years in the pellet feeding production line has been perfectly solved, effectively ensuring the occupational health of the employees.
[0049] 2. 2400m 3 Dust removal is performed for about 3 hours per day on average (calculated at 0.5 yuan per degree of electricity, and the daily electricity consumption is 532.5 yuan), and about 2 tons of dust are collected (calculated at 500 yuan per ton of dust ash, and the daily direct economic benefit is 1000 yuan), and the direct economic benefit is 467.5 yuan per day, and the annual direct economic benefit is 170637.5 yuan; and the risk of being punished by environmental protection is avoided.
[0050] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
Claims
1. A material conveying and dust removing device for ironmaking sintering, characterized by comprising: It comprises: a first feeding bin (511), a second feeding bin (512), a third feeding bin (513), a plurality of conveyors, a plurality of dust collection hoods, and a total bag-type dust collector (2); the plurality of conveyors are connected end to end; the first feeding bin (511), the second feeding bin (512), and the third feeding bin (513) are respectively connected to the feeding end of the first conveyor; the gas inlets of the total bag-type dust collector (2) are respectively connected to the sidewall pipelines of the feeding bin inlets (51) of the first feeding bin (511), the second feeding bin (512), and the third feeding bin (513); a dust collection hood is arranged on the feeding end of each conveyor; a dust collection hood is arranged in the middle of each conveyor.
2. The material conveying and dust removing device for ironmaking sintering according to claim 1, characterized by a finished product bin (1), a finished product bag-type dust collector (12), and a finished product bin main air extraction pipe (11); one end of the finished product bin main air extraction pipe (11) is connected to the upper sidewall of the finished product bin (1); the other end of the finished product bin main air extraction pipe (11) is connected to the gas inlet pipeline of the finished product bag-type dust collector (12); the finished product bin main air extraction pipe (11) is connected to the gas inlet pipeline of the total bag-type dust collector (2).
3. The material conveying and dust removing device for ironmaking sintering according to claim 2, characterized by It comprises: a valve (112); the valve (112) is arranged on the pipeline connecting the finished product bin main air extraction pipe (11) and the gas inlet of the total bag-type dust collector (2).
4. The material conveying and dust removing device for ironmaking sintering according to claim 1, characterized by The conveyor comprises:
5. The material conveying and dust removing device for ironmaking sintering according to claim 4, characterized by a first conveyor (121) and a second conveyor (122); the feeding end of the first conveyor (121) is connected to the discharging end of the second conveyor (122); the feeding end of the first conveyor (121) is connected to the discharging outlet of the first feeding bin (511), the second feeding bin (512), and the third feeding bin (513). It comprises: a discharging end dust collection hood (31), a feeding end dust collection hood (32), and a middle dust collection hood (34); the discharging end dust collection hood (31) is arranged above and opposite to the discharging end of the first conveyor (121) and the second conveyor (122); 6. The material conveying and dust removing device for ironmaking sintering according to claim 1, characterized by the feeding end dust collection hood (32) is arranged in pairs above and opposite to the feeding end of the first conveyor (121) and the second conveyor (122); the middle dust collection hood (34) is arranged opposite to the middle of the first conveyor (121) and the second conveyor (122). It comprises: a first dust collection pipe (3) and a second dust collection pipe (33); one end of the first dust collection pipe (3) is connected to the main pipeline, and the other end extends towards the first conveyor (121); one end of the second dust collection pipe (33) is connected to the main pipeline, and the other end extends towards the second conveyor (122).