CN217708061U - Converter coarse ash conveying system - Google Patents
Converter coarse ash conveying system Download PDFInfo
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- CN217708061U CN217708061U CN202222089799.9U CN202222089799U CN217708061U CN 217708061 U CN217708061 U CN 217708061U CN 202222089799 U CN202222089799 U CN 202222089799U CN 217708061 U CN217708061 U CN 217708061U
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Abstract
The utility model discloses a converter coarse ash conveying system, including dust hopper, delivery pump, pipeline, dust removal ash bin and the batching fill that connects gradually, the last gas transmission pipeline that is connected with of pipeline, the pan feeding end of delivery pump is provided with entry dome valve, and the discharge end is provided with the export dome valve, the discharge end in dust removal ash bin is provided with the blanking valve. The utility model has the advantages of it is following and effect: carry out airtight transportation and processing to coarse dust through utilizing delivery pump, pipeline and dust removal ash bin for the transportation and the processing procedure of coarse dust all are in relative confined state, reduce the risk that coarse dust flies to the air, thereby the limited problem of improving secondary dust pollution.
Description
Technical Field
The utility model relates to a metallurgical field, in particular to converter coarse ash conveying system.
Background
With the continuous improvement of the environmental protection requirement of the metallurgical production industry, a dust collector collects a large amount of large-particle dust in the production process, the temperature is as high as 200-250 ℃, and oxides containing iron are easy to spontaneously combust when meeting air, and the part of dust is called coarse dust.
In the related art, the coarse ash treatment process usually collects and cools the coarse ash, and then conveys the coarse ash into a batching hopper through mechanical equipment. However, the coarse ash is transported by mechanical equipment, and the coarse ash is easy to fly, so that the problem of secondary dust pollution exists, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a converter coarse ash conveying system, which can improve the problem that the coarse ash flies upward to cause secondary dust pollution.
The above technical purpose of the present invention can be achieved by the following technical solutions: a converter coarse ash conveying system comprising:
the dust collecting hopper is used for collecting and storing coarse ash;
the conveying pump is used for temporarily storing coarse ash, and the feeding end of the conveying pump is communicated with the discharging end of the dust hopper;
the conveying pipeline is used for conveying coarse ash and is communicated with the discharge end of the conveying pump;
the dust removal ash bin is used for treating coarse ash, and the feeding end of the dust removal ash bin is communicated with the conveying pipeline;
the batching hopper is communicated with the discharge end of the dust removal ash bin;
the gas transmission pipeline is communicated with the conveying pipeline and is used for transmitting gas to the conveying pipeline;
the feeding end of the conveying pump is provided with an inlet dome valve, the discharging end of the conveying pump is provided with an outlet dome valve, and the discharging end of the dust removing ash bin is provided with a blanking valve.
Through adopting above-mentioned technical scheme, when needs were handled coarse ash, the dust hopper was collected and was stored coarse ash, then opened export dome valve for coarse ash gets into in the delivery pump. Then the coarse ash in the delivery pump enters a delivery pipeline, at the moment, the coarse ash is transported to a dust removal ash bin through the delivery pipeline for treatment, and then the coarse ash in the dust removal ash bin enters a batching hopper, so that the transportation and treatment of the coarse ash are realized. Carry out airtight transportation and processing to coarse dust through utilizing delivery pump, pipeline and dust removal ash bin for the transportation and the processing procedure of coarse dust all are in relative confined state, reduce the risk that coarse dust flies to the air, thereby the limited problem of improving secondary dust pollution.
The present invention may be further configured in a preferred embodiment as: and the exhaust end of the dust removal ash bin is connected with a dust remover, and the dust remover is used for filtering and removing dust for gas.
Through adopting above-mentioned technical scheme, through setting up the dust remover, realize the dust removal to gaseous, further improve secondary dust pollution's problem.
The present invention in a preferred embodiment can be further configured to: the converter coarse ash conveying system further comprises a plurality of concentration stabilizers, an air supplementing pipe is connected to the air conveying pipeline, the concentration stabilizers are connected to the air supplementing pipe and the conveying pipeline respectively, and the concentration stabilizers are used for keeping the stability of the gas pressure in the conveying pipeline.
By adopting the technical scheme, the concentration stabilizer is arranged, so that the materials in the conveying pipeline are not easy to deposit, the materials are in an even and loose state, the conveying pressure is kept stable, the pipe blockage situation is avoided, and the conveying capacity is improved.
The present invention in a preferred embodiment can be further configured to: the dust collecting hopper is provided with dust collecting fluidization, and the dust collecting fluidization is connected with the gas transmission pipeline through a fluidization pipeline.
By adopting the technical scheme, because the primary coarse dust particles of the converter are large, the material is heavy and the flowability is poor, the dust collecting fluidization is arranged on the dust collecting hopper, so that the materials of the dust collecting hopper can easily enter the conveying pipeline, the blanking work can be completed within the specified time, and the stability of the conveying system is improved.
The present invention in a preferred embodiment can be further configured to: the dust removal ash bin is provided with dust removal fluidization, the dust removal fluidization is connected with an air inlet pipeline, and the air inlet pipeline is communicated with an external air inlet pipeline.
By adopting the technical scheme, because the primary coarse dust particles of the converter are large, the materials are heavy and the flowability is poor, the dedusting fluidization is arranged on the dedusting ash bin, so that the materials in the dedusting ash bin can easily enter the proportioning hopper, the discharging is smoother, the discharging operation can be completed within the specified time, and the working efficiency is improved.
The present invention may be further configured in a preferred embodiment as: the inlet dome valve is a double insulated dome valve.
Through adopting above-mentioned technical scheme, utilize the characteristic of two thermal-insulated dome valve high temperature resistance, alleviate converter once high temperature coarse ash to dome valve sealing device's damage degree greatly to improve life and stability in use.
The present invention may be further configured in a preferred embodiment as: a positioner is arranged on the outlet dome valve and is used for controlling the opening degree of the outlet dome valve.
Through adopting above-mentioned technical scheme, realize getting into the adjustment of the interior ash volume of pipeline, keep conveying pressure stable, reduce stifled pipe risk, improve the delivery capacity.
The present invention may be further configured in a preferred embodiment as: and a weighing piece is arranged in the dust removal ash bin and used for weighing coarse ash.
Through adopting above-mentioned technical scheme, weigh through utilizing the coarse ash in the part of weighing to the dust removal ash bin, can be comparatively accurate when unloading the accuse ash volume, make things convenient for follow-up operation, improve the practicality.
The present invention in a preferred embodiment can be further configured to: the automatic dust removal device is characterized in that a weighing sensor is arranged on the weighing part, a controller is arranged on the dust removal bin, the sensor and the blanking valve are respectively connected with the controller, the weighing sensor is used for transmitting a weighing signal to the controller, and the controller is used for receiving the signal of the weighing sensor and controlling the blanking valve to be opened and closed.
By adopting the technical scheme, when the materials in the dust removal ash bin are loaded to a certain amount, the controller automatically opens the blanking valve of the dust removal ash bin through the signal given by the weighing sensor. After the materials in the dust and ash removing bin fall off, the controller automatically closes the blanking valve through signals given by the weighing sensor, so that automatic unloading operation is realized, the labor cost is reduced, and the production efficiency is improved.
To sum up, the utility model discloses following beneficial effect has:
1. the coarse ash is transported and treated in a closed manner by utilizing the delivery pump, the delivery pipeline and the dust removal ash bin, so that the transportation and treatment processes of the coarse ash are in a relatively closed state, the risk that the coarse ash flies into the air is reduced, and the problem of secondary dust pollution is limited and improved;
2. by arranging the concentration stabilizer, the materials in the conveying pipeline are not easy to deposit, the materials are in a uniform and loose state, the conveying pressure is kept stable, the pipe blockage situation is avoided, and the conveying capacity is improved;
3. because the primary coarse dust particles of the converter are large, the materials are heavy and have poor fluidity, the dust collecting fluidization is arranged on the dust collecting hopper, so that the materials of the dust collecting hopper can easily enter a conveying pipeline, the blanking work can be finished within the specified time, and the stability of a conveying system is improved;
4. through utilizing the weighing piece to weigh the coarse ash in the dust removal ash bin, can be comparatively accurate when unloading the accuse ash volume, make things convenient for follow-up operation, improve the practicality.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Reference numerals: 1. a dust collecting hopper; 2. a delivery pump; 3. a delivery conduit; 4. a dust removal ash bin; 5. a batching hopper; 6. a gas pipeline; 7. an inlet dome valve; 8. an outlet dome valve; 9. a blanking valve; 10. collecting dust and fluidizing; 11. a fluidization conduit; 12. dedusting and fluidizing; 13. an air intake duct; 14. a concentration stabilizer; 15. a dust remover; 16. weighing the parts; 17. and (5) supplementing air pipes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a converter coarse ash conveying system comprises a dust hopper 1, a conveying pump 2, a conveying pipeline 3, a dust removal ash bin 4 and a batching hopper 5 which are connected in sequence, wherein the dust hopper 1 is used for collecting and storing coarse ash, and the conveying pump 2 is used for temporarily storing the coarse ash. The conveying pipeline 3 is used for conveying the coarse ash, and the dust removal ash bin 4 is used for treating the coarse ash. Meanwhile, the conveying pipeline 3 is connected with a gas conveying pipeline 6, and the gas conveying pipeline 6 is used for conveying gas to the conveying pipeline 3.
When the coarse ash needs to be treated, the dust hopper 1 collects and stores the coarse ash, and then the outlet dome valve 8 is opened, so that the coarse ash enters the conveying pump 2. Then the coarse ash in the delivery pump 2 enters the delivery pipe 3, at the moment, the coarse ash is transported to the dust removal ash bin 4 through the delivery pipe 3 to be processed, and then the coarse ash in the dust removal ash bin 4 enters the batching hopper 5, so that the transportation and the processing of the coarse ash are realized.
Referring to fig. 1, the inlet end of the transfer pump 2 is provided with an inlet dome valve 7, and the outlet end of the transfer pump 2 is provided with an outlet dome valve 8, to achieve flexible control of the feeding and discharging of the transfer pump 2. The discharging end of the dust removing ash bin 4 is provided with a blanking valve 9 so as to realize the control of the discharging of the dust removing ash bin 4.
Referring to fig. 1, the inlet dome valve 7 adopts a double-heat-insulation dome valve, and the temperature resistance of the double-heat-insulation dome valve can reach 200-250 ℃, so that the damage of the converter primary high-temperature coarse ash to the dome valve sealing device is avoided. Meanwhile, a positioner (not shown) is provided on the outlet dome valve 8, and the positioner is used to control the opening degree of the outlet dome valve 8 to achieve control of the amount of ash.
Referring to fig. 1, the dust collecting fluidization 10 is arranged on the dust collecting hopper 1, the dust collecting fluidization 10 is connected with the gas transmission pipeline 6 through the fluidization pipeline 11, and the dust collecting fluidization 10 is arranged on the dust collecting hopper 1 because the primary coarse ash particles of the converter are large, the material is heavy and the flowability is poor, so that the material of the dust collecting hopper 1 can easily enter the transmission pipeline 3, and the blanking work can be completed within the specified time.
Referring to fig. 1, a dedusting fluidization 12 is provided on the dedusting ash bin 4, an air inlet pipe 13 is connected to the dedusting fluidization 12, and the air inlet pipe 13 is used for communicating with an external air inlet pipe. The same principle as the dust collection fluidization 10, the dust collection fluidization 12 is arranged on the dust collection bin 4, so that the materials in the dust collection hopper 1 can easily enter the batching hopper 5, and the blanking work can be completed within a specified time.
Referring to fig. 1, the converter coarse ash conveying system further includes a plurality of concentration stabilizers 14, an air supplement pipe 17 is connected to the air conveying pipeline 6, and the plurality of concentration stabilizers 14 are respectively connected to the air supplement pipe 17 and the conveying pipeline 3. Meanwhile, a set of concentration stabilizer 14 is arranged on the conveying pipeline 3 every four meters, so that the materials in the conveying pipeline 3 are not easy to deposit, the materials in the conveying pipeline 3 are in an even and loose state, the conveying pressure is kept stable, the pipe blockage situation is avoided, and the conveying capacity is improved.
Referring to fig. 1, a dust collector 15 is connected to an exhaust end of the dust-removing bin 4, and the dust collector 15 is used for filtering and removing dust from the gas. Because the temperature of the primary coarse ash of the converter is high, and the oxides of iron in the coarse ash are easy to spontaneously combust when meeting air, the dust remover 15 in the embodiment adopts a positive-pressure high-temperature filtering mode, and an automatic exhaust valve is arranged at the outlet of the dust remover 15, so that the external air is prevented from entering a conveying system, and the air is prevented from flowing back into the dust removal ash bin 4 to be mixed with high-temperature materials to generate secondary combustion.
Referring to fig. 1, a weighing member 16 is disposed in the dust and ash removing bin 4, the weighing member 16 is used for weighing coarse ash, and the weighing member 16 may be an electronic scale, a weighing table or the like, as long as weighing of coarse ash can be achieved, so as to facilitate a worker to accurately grasp the discharging amount during discharging.
Referring to fig. 1, a weighing sensor (not shown) is arranged on the weighing member 16, a controller (not shown) is arranged on the dust removing bin 4, the sensor and the blanking valve 9 are respectively connected with the controller, the weighing sensor is used for transmitting a weighing signal to the controller, and the controller is used for receiving the signal of the weighing sensor and controlling the blanking valve 9 to open and close.
The specific implementation principle of this embodiment is as follows:
the charging process of the delivery pump 2 is as follows: the inlet dome valve 7 is opened, the dust collection fluidization 10 is opened, the coarse ash falls into the transfer pump 2, when the transfer pump 2 is filled with the coarse ash, the inlet dome valve 7 is closed, the dust collection fluidization 10 is closed, and at this time, the material in the transfer pump 2 is completely filled and ready for transfer.
The material conveying process comprises the following steps: the outlet dome valve 8 is opened, the material falls into the conveying pipeline 3, the gas conveying pipeline 6 is opened, and the material is conveyed to the dust removal ash bin 4 through the conveying pipeline 3 under the pressure of the conveying gas. The material deposition in the conveying pipeline 3 is prevented in the conveying process, the material in the conveying pipeline 3 is in an even and loose state, the concentration stabilizer 14 needs to be opened, the conveying pressure is kept stable, the pipe blockage situation is avoided, and the conveying capacity is improved. After the material has been transported, the outlet dome valve 8 is closed, the gas line 6 is closed, the consistency stabilizer 14 is closed, and the next transport cycle is awaited.
The dust remover 15 works: when the materials are conveyed, the exhaust valve of the dust remover 15 is opened, and the gas in the dust removing ash bin 4 is filtered by the filter bag of the dust remover 15 and then is exhausted through the exhaust valve. After the materials are conveyed, the exhaust valve of the dust remover 15 is closed, and air is prevented from flowing back into the dust removal ash bin 4 to be mixed with the high-temperature materials to generate secondary combustion.
Blanking in a dust removal ash bin 4: after a certain amount of materials in the dust and ash removing bin 4 are loaded, the controller automatically controls the blanking valve 9 to be opened according to signals given by the weighing sensor, and simultaneously opens the dust and fluid 12, so that the materials in the dust and ash removing bin 4 enter the batching hopper 5. After the materials in the dust and ash removing bin 4 fall off, the controller automatically controls the blanking valve 9 to be closed through signals given by the weighing sensor, and simultaneously closes the dust and ash removing fluidization 12, so that the blanking of the dust and ash removing bin 4 is finished.
Compared with the prior art, the system can relieve the problem that secondary dust raising occurs to materials, is an advanced environment-friendly system, and meanwhile, the system does not need to be operated on site by workers, so that full-automatic conveying is realized, potential safety hazards of on-site operation are avoided, and labor cost is greatly reduced. Moreover, the system can isolate the material from the air (conveying compressed gas is nitrogen), so that potential safety hazards brought to the site by secondary combustion of the material are avoided. Meanwhile, the system adopts compressed air for conveying, so that the power consumption is low, and the operation cost is reduced.
The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. A converter coarse ash conveying system is characterized in that: the method comprises the following steps:
the dust collecting hopper (1) is used for collecting and storing coarse ash;
the conveying pump (2) is used for temporarily storing coarse ash, and the feeding end of the conveying pump (2) is communicated with the discharging end of the dust hopper (1);
the conveying pipeline (3) is used for conveying coarse ash, and the conveying pipeline (3) is communicated with the discharge end of the conveying pump (2);
the dust removal ash bin (4) is used for treating coarse ash, and the feeding end of the dust removal ash bin (4) is communicated with the conveying pipeline (3);
the batching hopper (5) is communicated with the discharge end of the dust removal ash bin (4);
the gas transmission pipeline (6) is communicated with the transmission pipeline (3) and is used for transmitting gas to the transmission pipeline (3);
the feeding end of the conveying pump (2) is provided with an inlet dome valve (7), the discharging end of the conveying pump is provided with an outlet dome valve (8), and the discharging end of the dust removal ash bin (4) is provided with a blanking valve (9).
2. The system for conveying converter coarse ash according to claim 1, characterized in that: the exhaust end of the dust removal ash bin (4) is connected with a dust remover (15), and the dust remover (15) is used for filtering and removing dust of gas.
3. The system for conveying converter coarse ash according to claim 1, characterized in that: the converter coarse ash conveying system further comprises a plurality of concentration stabilizers (14), an air supplementing pipe (17) is connected to the air conveying pipeline (6), the concentration stabilizers (14) are connected to the air supplementing pipe (17) and the conveying pipeline (3) respectively, and the concentration stabilizers (14) are used for keeping the stability of the gas pressure in the conveying pipeline (3).
4. The system for conveying the coarse ash of the converter according to claim 1, wherein: the dust collecting hopper (1) is provided with a dust collecting fluidization (10), and the dust collecting fluidization (10) is connected with the gas transmission pipeline (6) through a fluidization pipeline (11).
5. The system for conveying the coarse ash of the converter according to claim 1, wherein: and the dedusting fluidization (12) is arranged on the dedusting ash bin (4), an air inlet pipeline (13) is connected to the dedusting fluidization (12), and the air inlet pipeline (13) is communicated with an external air supply pipeline.
6. The system for conveying converter coarse ash according to claim 1, characterized in that: the inlet dome valve (7) adopts a double heat insulation dome valve.
7. The system for conveying the coarse ash of the converter according to claim 1, wherein: and a positioner is arranged on the outlet dome valve (8) and is used for controlling the opening degree of the outlet dome valve (8).
8. The system for conveying converter coarse ash according to claim 1, characterized in that: and a weighing piece (16) is arranged in the dust removal ash bin (4), and the weighing piece (16) is used for weighing coarse ash.
9. The system for conveying the coarse ash of the converter according to claim 8, wherein: the automatic dust removal device is characterized in that a weighing sensor is arranged on the weighing part (16), a controller is arranged on the dust removal bin (4), the sensor and the blanking valve (9) are respectively connected with the controller, the weighing sensor is used for transmitting a weighing signal to the controller, and the controller is used for receiving the signal of the weighing sensor and controlling the blanking valve (9) to be opened and closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222089799.9U CN217708061U (en) | 2022-08-09 | 2022-08-09 | Converter coarse ash conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222089799.9U CN217708061U (en) | 2022-08-09 | 2022-08-09 | Converter coarse ash conveying system |
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| Publication Number | Publication Date |
|---|---|
| CN217708061U true CN217708061U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222089799.9U Active CN217708061U (en) | 2022-08-09 | 2022-08-09 | Converter coarse ash conveying system |
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| CN (1) | CN217708061U (en) |
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- 2022-08-09 CN CN202222089799.9U patent/CN217708061U/en active Active
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