CN111729482A - Kiln tail gas dust removal SOx/NOx control system - Google Patents
Kiln tail gas dust removal SOx/NOx control system Download PDFInfo
- Publication number
- CN111729482A CN111729482A CN202010679640.5A CN202010679640A CN111729482A CN 111729482 A CN111729482 A CN 111729482A CN 202010679640 A CN202010679640 A CN 202010679640A CN 111729482 A CN111729482 A CN 111729482A
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- Prior art keywords
- tail gas
- raw material
- hot blast
- dust removal
- blast stove
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- 239000000428 dust Substances 0.000 title claims abstract description 59
- 239000002994 raw material Substances 0.000 claims abstract description 45
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 24
- 230000023556 desulfurization Effects 0.000 claims abstract description 24
- 238000001694 spray drying Methods 0.000 claims abstract description 13
- 238000004062 sedimentation Methods 0.000 claims abstract description 3
- 239000004744 fabric Substances 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 235000019738 Limestone Nutrition 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 239000003245 coal Substances 0.000 claims description 3
- 239000006028 limestone Substances 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a dust removal, desulfurization and denitrification system for kiln tail gas, which comprises: 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 invention relates to the technical field of kiln tail gas treatment, in particular to a kiln tail gas dedusting, desulfurization and denitrification 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.
Disclosure of Invention
The invention aims to provide a kiln tail gas dedusting, desulfurizing and denitrifying system, which effectively overcomes at least one defect in the background technology, enables the kiln tail gas to be fully dedusted, desulfurized and denitrated, meets the requirement of environmental protection, and is beneficial to improving the tail gas treatment efficiency.
In order to achieve the purpose, the technical scheme of the invention is as follows:
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 just 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 kiln tail gas dedusting, desulfurization and denitrification system has the beneficial effects that: 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 invention discloses a kiln tail gas dedusting, desulfurizing and denitrifying system which is described by combining the accompanying drawings.
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 just 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 kiln tail gas dedusting, desulfurization and denitrification system has the beneficial effects that: 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, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the 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, the storage bin is arranged on one side of the hot blast stove, and the raw material inlet is communicated with the hot blast stove.
5. The kiln tail gas dedusting, desulfurization and denitrification system according to claim 3, 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 |
|---|---|---|---|
| CN202010679640.5A CN111729482A (en) | 2020-07-15 | 2020-07-15 | Kiln tail gas dust removal SOx/NOx control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010679640.5A CN111729482A (en) | 2020-07-15 | 2020-07-15 | Kiln tail gas dust removal SOx/NOx control system |
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| Publication Number | Publication Date |
|---|---|
| CN111729482A true CN111729482A (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010679640.5A Pending CN111729482A (en) | 2020-07-15 | 2020-07-15 | Kiln tail gas dust removal SOx/NOx control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797803A (en) * | 2020-12-31 | 2021-05-14 | 重庆长江造型材料（集团）股份有限公司 | Method and mechanism for treating tail gas containing organic high-temperature thermal cracking substances in kiln |
| CN115727341A (en) * | 2022-11-25 | 2023-03-03 | 江西陶瓷工艺美术职业技术学院 | Ceramic kiln tail gas treatment device and treatment process thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4358897A (en) * | 1996-10-30 | 1998-05-07 | Sumitomo Heavy Industries Ltd. | Waste gas treatment apparatus |
| CN103604133A (en) * | 2013-11-05 | 2014-02-26 | 西安热工研究院有限公司 | Flue gas cleaning system and flue gas cleaning process for integrated multi-pollutant removal by dry method |
| CN204073751U (en) * | 2014-08-21 | 2015-01-07 | 福建永恒能源管理有限公司 | A kind of dedusting and desulphurization integrated system based on spray drying tower |
| CN204933182U (en) * | 2015-09-21 | 2016-01-06 | 澧县方石坪矿山机械修造厂 | A kind of fluidized bed furnace dust-removal and desulfurizing and dirt ash treatment system |
| CN105276803A (en) * | 2015-11-14 | 2016-01-27 | 卢爱玲 | Efficient heat energy utilization structure of ceramic hot-blast stove |
| CN209714756U (en) * | 2018-12-27 | 2019-12-03 | 沈阳山水原环保科技有限公司 | The smoke processing system of coal-burning boiler simultaneous SO_2 and NO removal |
| CN212731643U (en) * | 2020-07-15 | 2021-03-19 | 佛山市粤辰新太机械设备有限公司 | Kiln tail gas dust removal SOx/NOx control system |
-
2020
- 2020-07-15 CN CN202010679640.5A patent/CN111729482A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4358897A (en) * | 1996-10-30 | 1998-05-07 | Sumitomo Heavy Industries Ltd. | Waste gas treatment apparatus |
| CN103604133A (en) * | 2013-11-05 | 2014-02-26 | 西安热工研究院有限公司 | Flue gas cleaning system and flue gas cleaning process for integrated multi-pollutant removal by dry method |
| CN204073751U (en) * | 2014-08-21 | 2015-01-07 | 福建永恒能源管理有限公司 | A kind of dedusting and desulphurization integrated system based on spray drying tower |
| CN204933182U (en) * | 2015-09-21 | 2016-01-06 | 澧县方石坪矿山机械修造厂 | A kind of fluidized bed furnace dust-removal and desulfurizing and dirt ash treatment system |
| CN105276803A (en) * | 2015-11-14 | 2016-01-27 | 卢爱玲 | Efficient heat energy utilization structure of ceramic hot-blast stove |
| CN209714756U (en) * | 2018-12-27 | 2019-12-03 | 沈阳山水原环保科技有限公司 | The smoke processing system of coal-burning boiler simultaneous SO_2 and NO removal |
| CN212731643U (en) * | 2020-07-15 | 2021-03-19 | 佛山市粤辰新太机械设备有限公司 | Kiln tail gas dust removal SOx/NOx control system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797803A (en) * | 2020-12-31 | 2021-05-14 | 重庆长江造型材料（集团）股份有限公司 | Method and mechanism for treating tail gas containing organic high-temperature thermal cracking substances in kiln |
| CN115727341A (en) * | 2022-11-25 | 2023-03-03 | 江西陶瓷工艺美术职业技术学院 | Ceramic kiln tail gas treatment device and treatment process thereof |
| CN115727341B (en) * | 2022-11-25 | 2023-08-29 | 江西陶瓷工艺美术职业技术学院 | Ceramic kiln tail gas treatment device and treatment process thereof |
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