CN216778393U - Active carbon SOx/NOx control multiple spot batcher tails collection circulating device - Google Patents
Active carbon SOx/NOx control multiple spot batcher tails collection circulating device Download PDFInfo
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- CN216778393U CN216778393U CN202220254607.2U CN202220254607U CN216778393U CN 216778393 U CN216778393 U CN 216778393U CN 202220254607 U CN202220254607 U CN 202220254607U CN 216778393 U CN216778393 U CN 216778393U
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Abstract
The utility model relates to an active carbon desulfurization and denitrification multipoint feeder tailing collecting and circulating device which comprises a multipoint feeder, an overhead feeding mechanism, a top tailing feeding mechanism, an adsorption tower unit, an overhead storage bin and a nitrogen supply system, wherein the multipoint feeder is provided with a top feeding hole and a tail feeding hole, the top feeding hole is arranged in front of the tail feeding hole, the tail feeding hole is connected with the top tailing feeding mechanism, the top feeding hole is connected with the overhead feeding mechanism, the top tailing feeding mechanism and the overhead feeding mechanism are respectively connected with the overhead storage bin, the overhead storage bin is connected with the adsorption tower unit, and the nitrogen supply system feeds nitrogen into the overhead storage bin. Compared with the prior art, the utility model has the beneficial effects that: the tail material collecting and circulating device and method for the activated carbon desulfurization and denitrification multi-point feeder improve the utilization rate of activated carbon, reduce the failure rate of equipment and enable the operation to be simpler and more convenient.
Description
Technical Field
The utility model belongs to the field of activated carbon flue gas desulfurization, denitrification and purification, and particularly relates to a tailing collecting and circulating device of an activated carbon desulfurization and denitrification multi-point feeder.
Background
In order to treat the environmental pollution, the country increases the treatment strength of the pollution of the metallurgical industry, and each large steel mill carries out large-scale ultralow emission modification. The activated carbon desulfurization and denitrification technology can comprehensively remove harmful substances such as sulfur dioxide, nitrogen oxides, particulate matters and the like in the smoke of the sintering machine head, meets the environmental protection requirement of ultralow emission limit value, and is widely applied to various steel mills.
In the material circulation process of the activated carbon desulfurization and denitrification system, the normal blanking and material distribution of a multi-point feeder at the top of an adsorption tower to an adsorption tower unit are very important. The active carbon is conveyed from the head to the tail through a multi-point feeder in a vibration mode, and is thrown and distributed to each adsorption tower unit. In the transfer process, the tail part of the multipoint feeder is not provided with a collecting device, so that the blockage of active carbon stacking is easily caused, the multipoint feeder is blocked, the uneven discharging of the adsorption tower unit is caused finally, the technical problem that the tailing of the multipoint feeder is required to be optimized and conveyed and discharged for ensuring the normal conveying of the active carbon on the top of the adsorption tower is solved, the multipoint feeder is enabled to distribute materials and materials evenly and smoothly, and the normal operation production of a system is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tailing collecting and circulating device of an activated carbon desulfurization and denitrification multi-point feeder, which improves the utilization rate of activated carbon, reduces the failure rate of equipment and enables the operation to be simpler and more convenient.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an active carbon SOx/NOx control multiple spot batcher tails collection circulating device, includes multiple spot batcher, overhead unloading mechanism, top tail unloading mechanism, adsorption tower unit, overhead feed bin, nitrogen gas supply system, the multiple spot batcher is equipped with top feed opening and afterbody feed opening, the top feed opening is in the place ahead of afterbody feed opening, afterbody feed opening connects top tail unloading mechanism, top feed opening connects unloading mechanism, top tail unloading mechanism and overhead unloading mechanism connect the overhead feed bin respectively, the adsorption tower unit is connected to the overhead feed bin, nitrogen gas supply system lets in nitrogen gas to the overhead feed bin.
Overhead unloading mechanism includes flexible coupling I, pneumatic push-pull valve I, top branch feed bin, active carbon unloading elephant trunk I, pneumatic push-pull valve II, the material bin is divided through the pipe connection multiple spot batcher in the top, is provided with flexible coupling I and pneumatic push-pull valve I on the connecting tube, a plurality of active carbon unloading elephant trunk I is connected to the discharge gate in top branch feed bin, the overhead feed bin is connected to active carbon unloading elephant trunk I, all sets up pneumatic push-pull valve II on each active carbon unloading elephant trunk I.
The tail ejection discharging mechanism comprises a flexible connection II, an active carbon discharging chute II, a tail ejection bin, a pneumatic gate valve IV and an active carbon discharging chute III, wherein an inlet of the tail ejection bin is connected with a multipoint feeder through the active carbon discharging chute II, the active carbon discharging chute II is provided with the flexible connection II, an outlet of the tail ejection bin is connected with the top ejection bin through the active carbon discharging chute III, and the active carbon discharging chute III is provided with the pneumatic gate valve IV.
The material level meter is installed on the upper portion of the top tail stock bin, and an angle steel baffle is arranged above the material level meter.
And a wear-resistant baffle is fixed on the inner side wall of the top tail bin.
The top tailing bin is provided with an observation hole, and the bottom of the top tailing bin is provided with a discharge opening.
And the activated carbon blanking chute III is connected with the side wall of the conical hopper at the bottom of the top tail stock bin.
And a pneumatic gate valve III is arranged on a connecting pipeline between the overhead storage bin and the adsorption tower unit.
Compared with the prior art, the utility model has the beneficial effects that:
1) the utility model effectively eliminates the phenomena of blockage and blockage of the multi-point feeder, improves the stability of the multi-point feeder and ensures the stable operation of the activated carbon desulfurization and denitrification system.
2) The novel top-added tail bin has a buffering effect on the blanking of the activated carbon in the adsorption tower, reduces the abrasion of the activated carbon, improves the utilization efficiency of the activated carbon and improves the stability of an activated carbon material conveying system.
3) The top tailing bin adopts a special structure, so that the internal condition of the bin is convenient to observe, the difficulty in treating activated carbon blocking is reduced, the service life of the top tailing bin is prolonged, and the durability of the device is improved.
4) The multipoint feeding machine is flexibly connected with the activated carbon blanking chute, so that the stress of the multipoint feeding machine and the activated carbon blanking chute is eliminated, and the blanking is more stable.
5) The activated carbon blanking chute is connected to the overhead bin, the overhead bin is protected by nitrogen filling, the newly added overhead tailing bin is not protected by nitrogen filling, the original overhead bin is used for locking air, the stability of the activated carbon in the adsorption tower is improved, the phenomenon of overtemperature hot spots of the activated carbon is effectively prevented, the activated carbon is separated from the flue gas in the adsorption tower, the flue gas of the adsorption tower is prevented from being mixed with the flue gas to the overhead tailing bin to generate condensation, the energy use efficiency is improved, and the operation cost is reduced.
6) According to the utility model, the high material level indicator is interlocked with the pneumatic gate valve, and after the tailing is collected, the interlocked pneumatic gate valve automatically opens the blanking, so that the operation workload of operation and maintenance personnel is reduced, and the work efficiency of the operation and maintenance personnel is improved.
Drawings
FIG. 1 is a process flow diagram of the present invention.
In the figure: the device comprises a flexible connection I1, a pneumatic gate valve I2, a top distribution bin 3, an active carbon discharging chute I4, an active carbon discharging chute II 5, a pneumatic gate valve II 6, a multi-point feeder 7, a flexible connection II 8, an active carbon discharging chute II 9, an angle steel baffle 10, a charge level indicator 11, a top tail bin 11, a pneumatic gate valve IV 12, an active carbon discharging chute III 13, an overhead bin 14, a pneumatic gate valve III 15, an adsorption tower unit 16, a nitrogen gas supply system 17, a wear-resistant baffle 18, an observation hole 19 and a discharge opening 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only illustrative and are not intended to limit the present invention.
As shown in fig. 1, a circulating device is collected to active carbon desulfurization denitration multiple spot batcher tails, including multiple spot batcher 6, overhead unloading mechanism, top tail unloading mechanism, adsorption tower unit 16, overhead feed bin 14, nitrogen gas supply system 17, multiple spot batcher 6 is equipped with top feed opening and afterbody feed opening, the top feed opening is in the place ahead of afterbody feed opening, the afterbody feed opening connects top tail unloading mechanism, top feed opening connects overhead unloading mechanism, top tail unloading mechanism and overhead unloading mechanism connect overhead feed bin 14 respectively, adsorption tower unit 16 is connected to overhead feed bin 14, nitrogen gas supply system 17 lets in nitrogen gas to overhead feed bin 14.
The multipoint feeder 6 is provided with a plurality of stages of overhead feed openings, an overhead feed mechanism is connected below each stage of overhead feed opening, and the higher-stage active carbon supplied materials are fed to each stage of overhead feed mechanism in a vibration and subsection mode through the multipoint feeder 6. And a tail part feed opening and a tail part ejection and discharging mechanism are additionally arranged at the tail part of the multi-point feeder and are used for collecting redundant active carbon tail materials at the tail part of the multi-point feeder 6 and participating in material circulation.
Overhead unloading mechanism includes flexible coupling I1, pneumatic push-pull valve I2, top feed bin 3, active carbon unloading elephant trunk I4, pneumatic push-pull valve II 5, top feed bin 3 passes through pipe connection multiple spot batcher 6, is provided with flexible coupling I1 and pneumatic push-pull valve I2 on the connecting tube, a plurality of active carbon unloading elephant trunk I4 is connected to the discharge gate of top feed bin 3, active carbon unloading elephant trunk I4 is connected overhead feed bin 14, all sets up pneumatic push-pull valve II 5 on each active carbon unloading elephant trunk I4.
The top tail unloading mechanism includes II 7 of flexible coupling, active carbon unloading elephant trunk II 8, top tail feed bin 11, pneumatic push-pull valve IV 12, active carbon unloading elephant trunk III 13, the entry of top tail feed bin 11 passes through II 8 of active carbon unloading elephant trunk and connects multiple spot batcher 6, set up II 7 of flexible coupling on the active carbon unloading elephant trunk II 8, the export of top tail feed bin 11 passes through III 13 of active carbon unloading elephant trunk and connects top feed bin 14, set up pneumatic push-pull valve IV 12 on the active carbon unloading elephant trunk III 13.
A material level meter 10 is arranged on the upper part of the top tailing bin 11, and an angle steel baffle plate 9 is arranged above the material level meter 10.
And a wear-resistant baffle 18 is fixed on the inner side wall of the tailing jacking bin 11.
An observation hole 19 is formed in the top tail bin 11, and a discharge opening 20 is formed in the bottom of the top tail bin 11.
And the activated carbon blanking chute III 13 is connected with the side wall of the conical hopper at the bottom of the top tail stock bin 11.
And a pneumatic gate valve III 15 is arranged on a connecting pipeline of the overhead storage bin 14 and the adsorption tower unit 16.
The flexible connection I1 and the pneumatic gate valve I2 are arranged below the multipoint feeder 6, the pneumatic gate valve I2 controls the upper level to feed the active carbon to the top distribution bin 3 through vibration, the top distribution bin 3 respectively feeds the active carbon to the top distribution bin 14, and the active carbon enters the adsorption tower unit 16 from the top distribution bin 14; a pneumatic gate valve II 5 is arranged between the top material distributing bin 3 and the top material bin 14, and a pneumatic gate valve III 15 is arranged between the top material bin 14 and the adsorption tower unit 16. The nitrogen supply system 17 performs nitrogen charging protection on the overhead bin 14, plays a role in locking the adsorption tower unit 16 in a positive pressure state, improves the stability of the activated carbon in the adsorption tower, and effectively prevents the activated carbon from generating an overtemperature hot spot phenomenon.
The tail part of the multipoint feeder 6 is sequentially connected with a flexible connection II 7, an active carbon discharging chute II 8, a tail ejection bin 11, a pneumatic gate valve IV 12 and an active carbon discharging chute III 13, the tail ejection bin 11 is arranged at the tail part of the multipoint feeder 6, and the active carbon discharging chute III 13 connected with the top ejection bin 14 is provided with the pneumatic gate valve IV 12.
The top tailing bin 11 is provided with a material level meter 10, an angle steel baffle 9 is arranged on the material level meter, a wear-resistant baffle 18 is arranged inside the top tailing bin 11, the top tailing bin 11 is provided with an observation hole 19, and a discharge opening 20 is formed in a cone hopper at the lower part of the top tailing bin 11.
The working process of the utility model is as follows: the method comprises the following steps of blanking of a multipoint feeder 6, flexible connection I1, a pneumatic gate valve I2, a top distribution bin 3, an active carbon blanking chute I4, a pneumatic gate valve II 5, a top distribution bin 14, a pneumatic gate valve III 15 and an adsorption tower unit 16; redundant tailings of the multipoint feeder 6, a flexible connection II 7, an active carbon blanking chute II 8, a top tailing bin 11, a pneumatic gate valve IV 12, an active carbon blanking chute III 13, a top bin 14, a pneumatic gate valve III 15 and an adsorption tower unit 16 are recycled.
The specific process is as follows:
1) the upper-level active carbon coming material is fed to the top distribution bin 3 in a vibration segmentation mode through the multipoint feeding machine 6, the pneumatic gate valve I2 controls blanking to the top distribution bin 3, the top distribution bin 3 is distributed to the top distribution bin 14 through the pneumatic gate valve II 5, the top distribution bin 14 is blanked to the adsorption tower unit 16, the pneumatic gate valve III 15 is controlled to be opened and closed according to the active carbon material quantity of the adsorption tower unit, so that the active carbon reaches the adsorption tower unit 16, and material circulation is carried out to realize desulfurization and denitrification.
2) The activated carbon at the top of the tower is distributed in the last stage of the multi-point feeder 6, the redundant tailings enter a tailing jacking bin 11, after the tailing jacking bin 11 is full, the activated carbon is fed to an overhead bin 14 through an activated carbon feeding chute III 13, the overhead bin 14 is fed to an adsorption tower unit 16, and the activated carbon is recycled.
3) The material level meter 10 (adopting the vibrating rod material level meter) is arranged in the top tail material bin 11 and is interlocked with the pneumatic gate valve IV 12, after the top tail material bin 11 is full of materials and displays high material level, the pneumatic gate valve IV 12 is interlocked and opened, the activated carbon is discharged into the top tail material bin 14 to participate in material circulation of an adsorption system, and when the high material level is not displayed, redundant activated carbon tail materials are temporarily collected and stored from the activated carbon discharging chute II 8 to the top tail material bin 11.
4) An angle steel baffle plate 9 is arranged on a charge level indicator 10 of a top tail bin 11, so that the charge level indicator 10 is prevented from being abraded; a wear-resistant baffle 18 is arranged in the tailing jacking bin 11 to prevent the bin from being worn; the top tail bin 11 is provided with an observation hole 19, so that the condition in the inspection bin can be observed conveniently; the cone hopper at the lower part of the top tailing bin 11 is provided with a discharge opening 20, so that blocking can be conveniently treated, meanwhile, the activated carbon discharging chute III 13 is arranged on the side wall of the cone hopper, activated carbon discharging enables activated carbon in the hopper to be stacked to form stockpiling, a material grinding material structure is formed, and abrasion of the top tailing bin 11 and the activated carbon discharging chute III 13 is reduced.
5) The nitrogen supply system 17 performs nitrogen charging protection on the overhead bunker 14 and plays a role in locking the gas of the adsorption tower in a positive pressure state. A pneumatic gate valve IV 12 is arranged on the top tailing bin 11 in a blanking mode, the pneumatic gate valve IV 12 is interlocked with the material level meter 10, and nitrogen in the top tailing bin 14 is prevented from leaking to the top tailing bin 11.
6) A flexible connection I1 and a flexible connection II 7 are arranged between the discharging position of the multipoint feeder 6 and the active carbon discharging chute pipe, so that the vibration stress is eliminated, and the discharging is more stable.
The utility model adopts the tailing jacking bin 11 to collect the active carbon tailings falling from the multi-point feeder 6, so that the tailing active carbon enters the material circulation of the desulfurization and denitrification system again. The buffer function is realized on the activated carbon, the abrasion of the activated carbon is reduced, the utilization efficiency of the activated carbon is improved, the phenomenon that the multipoint feeder 6 is blocked and blocked is avoided, and the failure rate of equipment is reduced.
Claims (8)
1. The utility model provides an active carbon SOx/NOx control multiple spot batcher tails collection circulating device, a serial communication port, including multiple spot batcher, overhead unloading mechanism, top tail unloading mechanism, adsorption tower unit, overhead feed bin, nitrogen gas supply system, multiple spot batcher is equipped with top feed opening and afterbody feed opening, the top feed opening is in the place ahead of afterbody feed opening, afterbody feed opening connects top tail unloading mechanism, top feed opening connects overhead unloading mechanism, top tail unloading mechanism and overhead unloading mechanism connect the overhead feed bin respectively, the adsorption tower unit is connected to the overhead feed bin, nitrogen gas supply system lets in nitrogen gas to the overhead feed bin.
2. The active carbon desulfurization and denitrification multipoint feeder tailing collecting and circulating device is characterized in that the overhead feeding mechanism comprises a flexible connection I, a pneumatic gate valve I, a top feeding bin, an active carbon feeding chute I and a pneumatic gate valve II, the top feeding bin is connected with the multipoint feeder through a pipeline, the flexible connection I and the pneumatic gate valve I are arranged on a connecting pipeline, a discharge port of the top feeding bin is connected with the active carbon feeding chute I, the active carbon feeding chute I is connected with the overhead feeding bin, and the pneumatic gate valve II is arranged on each active carbon feeding chute I.
3. The active carbon desulfurization and denitrification multipoint feeder tailing collecting and circulating device according to claim 1, characterized in that the tail ejection and blanking mechanism comprises a flexible connection II, an active carbon blanking chute II, a tail ejection bin, a pneumatic gate valve IV and an active carbon blanking chute III, the inlet of the tail ejection bin is connected with the multipoint feeder through the active carbon blanking chute II, the active carbon blanking chute II is provided with the flexible connection II, the outlet of the tail ejection bin is connected with the top ejection bin through the active carbon blanking chute III, and the active carbon blanking chute III is provided with the pneumatic gate valve IV.
4. The active carbon desulfurization and denitrification multi-point feeder tailing collecting and circulating device is characterized in that a material level meter is installed on the upper portion of the tailing bin, and an angle steel baffle is arranged above the material level meter.
5. The active carbon desulfurization and denitrification multi-point feeder tailing collecting and circulating device of claim 3, wherein a wear-resistant baffle is fixed on the inner side wall of the tailing bin.
6. The activated carbon desulfurization and denitrification multi-point feeder tailing collecting and circulating device is characterized in that an observation hole is formed in the top tailing bin, and a discharge opening is formed in the bottom of the top tailing bin.
7. The active carbon desulfurization and denitrification multi-point feeder tailing collecting and circulating device according to claim 3, characterized in that the active carbon blanking chute III is connected with the side wall of the conical hopper at the bottom of the top tailing bin.
8. The active carbon desulfurization and denitrification multi-point feeder tailing collecting and circulating device of claim 1, characterized in that a pneumatic gate valve III is arranged on a connecting pipeline between the overhead bin and the adsorption tower unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220254607.2U CN216778393U (en) | 2022-02-08 | 2022-02-08 | Active carbon SOx/NOx control multiple spot batcher tails collection circulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220254607.2U CN216778393U (en) | 2022-02-08 | 2022-02-08 | Active carbon SOx/NOx control multiple spot batcher tails collection circulating device |
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| Publication Number | Publication Date |
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| CN216778393U true CN216778393U (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220254607.2U Active CN216778393U (en) | 2022-02-08 | 2022-02-08 | Active carbon SOx/NOx control multiple spot batcher tails collection circulating device |
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| CN (1) | CN216778393U (en) |
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- 2022-02-08 CN CN202220254607.2U patent/CN216778393U/en active Active
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