CN212731643U - Kiln tail gas dust removal SOx/NOx control system - Google Patents
Kiln tail gas dust removal SOx/NOx control system Download PDFInfo
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- CN212731643U CN212731643U CN202021388705.2U CN202021388705U CN212731643U CN 212731643 U CN212731643 U CN 212731643U CN 202021388705 U CN202021388705 U CN 202021388705U CN 212731643 U CN212731643 U CN 212731643U
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Abstract
The utility model discloses a kiln tail gas dust removal SOx/NOx control system, include: a raw material conveying device; the hot blast stove is provided with a raw material inlet and a tail gas inlet, the hot blast stove is connected with the raw material conveying device through the raw material inlet, and the tail gas inlet of the hot blast stove is provided with an air blower which is used for conveying the tail gas to the inside of the hot blast stove through the tail gas inlet; the sedimentation chamber is arranged on one side of the hot blast stove and connected with the hot blast stove; the cyclone dust removal device is arranged on one side of the settling chamber and is connected with the settling chamber; the spray drying tower is arranged on one side of the cyclone dust removal device and is connected with the cyclone dust removal device; sack dust collector, sack dust collector locate one side of spray drying tower and link to each other with the spray drying tower, through such mode, make abundant dust removal of kiln tail gas, desulfurization and denitration, satisfy the requirement of environmental protection, be favorable to the improvement of tail gas treatment efficiency.
Description
Technical Field
The utility model relates to a kiln tail gas treatment technical field especially relates to a kiln tail gas dust removal SOx/NOx control system.
Background
Various industries are continuously developed and developed since the reform is open, the accompanying environmental problems are gradually shown, and the atmospheric pollution in China is increasingly serious. The problem of dust exhaust emissions from industrial kilns has long been difficult to solve and untreated industrial dust is emitted directly or indirectly into the atmosphere. Not only can harm the health of people and destroy the ecological environment, but also seriously influences the appearance of the city and causes great inconvenience to the daily life of citizens.
Some existing tail gas treatment devices have many defects, the effect of desulfurization and denitrification on tail gas is not ideal, and the raw materials for reaction with the tail gas are single, so that the finally treated gas is not ideal, the impurity in the tail gas is more, a large amount of dust is attached, and the integral working efficiency is seriously influenced; in addition, due to the fact that the structural design of the devices is unreasonable, the temperature of the mixed gas of the tail gas and the hot blast stove can not meet the temperature requirement of subsequent desulfurization and denitration, and the temperature of the mixed gas doped with the tail gas can not meet the requirement, so that the desulfurization and denitration of the tail gas are insufficient, and the tail gas is discharged into the nature to cause great harm.
Therefore, a solution is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a kiln tail gas dust removal SOx/NOx control system effectively solves at least one not enough in the background art, makes abundant dust removal, desulfurization and the denitration of kiln tail gas, satisfies the requirement of environmental protection, is favorable to tail gas treatment efficiency's improvement.
In order to achieve the above purpose, the technical scheme of the utility model has:
a kiln tail gas dust removal SOx/NOx control system includes: the raw material conveying device is used for conveying various raw materials; the hot blast stove is provided with a raw material inlet and a tail gas inlet, the hot blast stove is connected with the raw material conveying device through the raw material inlet, an air blower is arranged at the tail gas inlet of the hot blast stove, and the air blower is used for conveying tail gas to the inside of the hot blast stove through the tail gas inlet; the sedimentation chamber is arranged on one side of the hot blast stove and is connected with the hot blast stove; the cyclone dust removal device is arranged on one side of the settling chamber and is connected with the settling chamber; the spray drying tower is arranged on one side of the cyclone dust removal device and is connected with the cyclone dust removal device; the cloth bag dust removal device is arranged on one side of the spray drying tower and is connected with the spray drying tower; and the desulfurization and denitrification tower is arranged on one side of the cloth bag dust removal device and is connected with the cloth bag dust removal device.
Further, the raw material conveying device comprises a first feeding machine for providing coal, a second feeding machine for providing limestone, a third feeding machine for providing urea and a belt conveyor, wherein the belt conveyor is obliquely arranged, and the first feeding machine, the second feeding machine and the third feeding machine are sequentially arranged on one side of the belt conveyor from bottom to top.
Further, the tail end of the belt conveyor is also provided with an iron remover.
Further, still include the raw materials and store the mechanism, the raw materials is stored the mechanism and is located between raw materials transmission device and the hot-blast furnace, the raw materials is stored the mechanism and is included storing storehouse and reciprocating sieve, the reciprocating sieve is located the end of belt feeder, store the storehouse and locate one side of hot-blast furnace and with the raw materials entry is linked together.
Further, the raw materials is stored the mechanism and is still including carrying the machine in the fill, carry the machine in the fill and locate one side of storing the storehouse, via raw materials after the reciprocating sieve is handled passes through carry in the machine in the fill transmits to store in the storehouse.
Furthermore, the cyclone dust removal device comprises a primary cyclone dust collector and a secondary cyclone dust collector which are sequentially arranged from left to right, the primary cyclone dust collector and the secondary cyclone dust collector are mutually connected, and the setting height of the secondary cyclone dust collector is higher than that of the primary cyclone dust collector.
Furthermore, the cloth bag dust removal device and the desulfurization and denitrification tower are connected with each other through an induced draft fan.
The utility model discloses a kiln tail gas dust removal SOx/NOx control system, its beneficial effect is: 1. the tail gas of the kiln can be pretreated, and directly enters the hot blast stove through the air blower, so that the tail gas is fully heated in the hot blast stove, the temperature of the tail gas meets the requirement of subsequent desulfurization and denitration, the tail gas of the kiln is fully dedusted, desulfurized and denitrated, the requirement of environmental protection is met, and the tail gas treatment efficiency is favorably improved; 2. overall structure sets up rationally, and is organized, is favorable to the maintenance and the change in later stage, and user experience feels splendid.
Drawings
FIG. 1 is a schematic structural diagram of a kiln tail gas dedusting, desulfurization and denitrification system;
fig. 2 is a schematic structural diagram of a point a in fig. 1.
Detailed Description
The utility model discloses a kiln tail gas dust removal SOx/NOx control system is explained with the attached drawing.
As shown in fig. 1 to 2, as a preferred embodiment of the present invention:
a kiln tail gas dust removal SOx/NOx control system includes: the raw material conveying device 1 is used for conveying various raw materials; the hot blast stove 2 is provided with a raw material inlet and a tail gas inlet, the hot blast stove 2 is connected with the raw material conveying device 1 through the raw material inlet, an air blower 3 is arranged at the tail gas inlet of the hot blast stove 2, and the air blower 3 is used for conveying tail gas to the inside of the hot blast stove 2 through the tail gas inlet; the settling chamber 4 is arranged on one side of the hot blast stove 2 and is connected with the hot blast stove 2; the cyclone dust removal device 5 is arranged on one side of the settling chamber 4 and is connected with the settling chamber 4; the spray drying tower 6 is arranged on one side of the cyclone dust removal device 5, and the spray drying tower 6 is connected with the cyclone dust removal device 5; the cloth bag dust removal device 7 is arranged on one side of the spray drying tower 6, and the cloth bag dust removal device 7 is connected with the spray drying tower 6; and the desulfurization and denitrification tower 8 is arranged on one side of the cloth bag dust removal device 7, and the desulfurization and denitrification tower 8 is connected with the cloth bag dust removal device 7.
Wherein, 2 departments of the hot-blast furnace that originally were used for providing hot-blast furnace are through addding an air blower 3, mix kiln tail gas in air blower 3's air intake department, its realization form is to be used for transmitting the pipeline of tail gas and the tuber pipe of 3 former air intakes departments of air blower combine together, thereby leading-in kiln tail gas to hot-blast furnace 2, make tail gas directly accomplish the process of intensification in hot-blast furnace 2, the temperature that makes tail gas satisfies the requirement of follow-up technology, fine overcoming the not high processing insufficient problem that leads to of traditional tail gas temperature, make tail gas treatment effeciency obtain fine improvement.
Preferably, the cloth bag dust collector 7 and the desulfurization and denitrification tower 8 are connected with each other by arranging an induced draft fan 9.
The raw material conveying device 1 comprises a first feeding machine 11 for providing coal, a second feeding machine 12 for providing limestone, a third feeding machine 13 for providing urea and a belt conveyor 14, wherein the belt conveyor 14 is obliquely arranged, and the first feeding machine 11, the second feeding machine 12 and the third feeding machine 13 are sequentially arranged on one side of the belt conveyor 14 from bottom to top.
Preferably, an iron remover 15 for removing iron filings in the raw materials is also arranged at the tail end of the belt conveyor 14.
Kiln tail gas dust removal SOx/NOx control system still includes that the raw materials stores mechanism 10, the raw materials is stored mechanism 10 and is located between raw materials conveyor 1 and the hot-blast furnace 2, the raw materials is stored mechanism 10 and is included storing storehouse 101 and reciprocating sieve 102, reciprocating sieve 102 is located the end of belt feeder 14, store storehouse 101 and locate one side of hot-blast furnace 2 and with the raw materials entry is linked together.
Preferably, the raw material storage mechanism 10 further includes a bucket elevator 103, the bucket elevator 103 is disposed at one side of the storage bin 101, and the raw material processed by the vibrating screen 102 is transferred into the storage bin 101 through the bucket elevator 103.
After the material is sequentially fed onto the belt conveyor 14 by the feeder, the belt conveyor 14 sequentially feeds the material to the vibrating screen 102 to be fully mixed, and then the material is conveyed into the storage bin 101 through the bucket elevator 103.
The cyclone dust removal device 5 comprises a primary cyclone dust collector 51 and a secondary cyclone dust collector 52 which are sequentially arranged from left to right, the primary cyclone dust collector 51 and the secondary cyclone dust collector 52 are mutually connected, and the setting height of the secondary cyclone dust collector 52 is higher than that of the primary cyclone dust collector 51.
Wherein, through the setting of multistage cyclone, the dust in messenger's tail gas can be washd more thoroughly, makes tail gas treatment more abundant.
The utility model discloses a kiln tail gas dust removal SOx/NOx control system, its beneficial effect is: 1. the tail gas of the kiln can be pretreated, and directly enters the hot blast stove 2 through the air blower 3, so that the tail gas is fully heated in the hot blast stove 2, the temperature of the tail gas meets the requirement of subsequent desulfurization and denitration, the tail gas of the kiln is fully dedusted, desulfurized and denitrated, the requirement of environmental protection is met, and the tail gas treatment efficiency is improved; 2. overall structure sets up rationally, and is organized, is favorable to the maintenance and the change in later stage, and user experience feels splendid.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (7)
1. The utility model provides a kiln tail gas dust removal SOx/NOx control system which characterized in that includes:
the raw material conveying device is used for conveying various raw materials;
the hot blast stove is provided with a raw material inlet and a tail gas inlet, the hot blast stove is connected with the raw material conveying device through the raw material inlet, an air blower is arranged at the tail gas inlet of the hot blast stove, and the air blower is used for conveying tail gas to the inside of the hot blast stove through the tail gas inlet;
the sedimentation chamber is arranged on one side of the hot blast stove and is connected with the hot blast stove;
the cyclone dust removal device is arranged on one side of the settling chamber and is connected with the settling chamber;
the spray drying tower is arranged on one side of the cyclone dust removal device and is connected with the cyclone dust removal device;
the cloth bag dust removal device is arranged on one side of the spray drying tower and is connected with the spray drying tower;
and the desulfurization and denitrification tower is arranged on one side of the cloth bag dust removal device and is connected with the cloth bag dust removal device.
2. The kiln tail gas dedusting, desulfurization and denitrification system according to claim 1, wherein the raw material conveying device comprises a first feeding machine for providing coal, a second feeding machine for providing limestone, a third feeding machine for providing urea and a belt conveyor, the belt conveyor is obliquely arranged, and the first feeding machine, the second feeding machine and the third feeding machine are sequentially arranged on one side of the belt conveyor from bottom to top.
3. The kiln tail gas dedusting, desulfurization and denitrification system according to claim 2, wherein an iron remover is further arranged at the tail end of the belt conveyor.
4. The kiln tail gas dedusting, desulfurization and denitrification system according to claim 2, further comprising a raw material storage mechanism, wherein the raw material storage mechanism is arranged between the raw material conveying device and the hot blast stove, the raw material storage mechanism comprises a storage bin and a vibrating screen, the vibrating screen is arranged at the tail end of the belt conveyor, and the storage bin is arranged on one side of the hot blast stove and is communicated with the raw material inlet.
5. The kiln tail gas dedusting, desulfurization and denitrification system according to claim 4, wherein the raw material storage mechanism further comprises a bucket elevator, the bucket elevator is arranged on one side of the storage bin, and the raw material processed by the vibrating screen is conveyed into the storage bin through the bucket elevator.
6. The kiln tail gas dedusting, desulfurization and denitrification system according to claim 1, wherein the cyclone dust removal device comprises a primary cyclone dust collector and a secondary cyclone dust collector which are sequentially arranged from left to right, the primary cyclone dust collector and the secondary cyclone dust collector are connected with each other, and the setting height of the secondary cyclone dust collector is higher than that of the primary cyclone dust collector.
7. The kiln tail gas dedusting, desulfurization and denitrification system according to claim 1, wherein the cloth bag dedusting device and the desulfurization and denitrification tower are connected with each other through an air inducing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021388705.2U CN212731643U (en) | 2020-07-15 | 2020-07-15 | Kiln tail gas dust removal SOx/NOx control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021388705.2U CN212731643U (en) | 2020-07-15 | 2020-07-15 | Kiln tail gas dust removal SOx/NOx control system |
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| CN212731643U true CN212731643U (en) | 2021-03-19 |
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| CN202021388705.2U Active CN212731643U (en) | 2020-07-15 | 2020-07-15 | Kiln tail gas dust removal SOx/NOx control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111729482A (en) * | 2020-07-15 | 2020-10-02 | 佛山市粤辰新太机械设备有限公司 | Kiln tail gas dust removal SOx/NOx control system |
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2020
- 2020-07-15 CN CN202021388705.2U patent/CN212731643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111729482A (en) * | 2020-07-15 | 2020-10-02 | 佛山市粤辰新太机械设备有限公司 | Kiln tail gas dust removal SOx/NOx control system |
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| CP03 | Change of name, title or address |
Address after: 528000 7 of workshop (F1) of Jinheng metal products Co., Ltd., Longzhou village, southwest Street, Sanshui District, Foshan City, Guangdong Province (residence declaration) Patentee after: Guangdong yuechen Xintai Intelligent Manufacturing Co.,Ltd. Address before: 528000 area C, block B18, Gangtie East 2nd Road, Longgao highway, Jiujiang Town, Nanhai District, Foshan City, Guangdong Province Patentee before: Foshan yuechen Xintai mechanical equipment Co.,Ltd. |
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