CN203610017U - Sintering flue gas dioxin and particulate pollutant synergetic purification device - Google Patents
Sintering flue gas dioxin and particulate pollutant synergetic purification device Download PDFInfo
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- CN203610017U CN203610017U CN201320665692.2U CN201320665692U CN203610017U CN 203610017 U CN203610017 U CN 203610017U CN 201320665692 U CN201320665692 U CN 201320665692U CN 203610017 U CN203610017 U CN 203610017U
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- Prior art keywords
- purification device
- sintering
- flue gas
- particulate pollutant
- flue collector
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- 238000000746 purification Methods 0.000 title claims abstract description 72
- 238000005245 sintering Methods 0.000 title claims abstract description 36
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 230000002195 synergetic effect Effects 0.000 title claims abstract description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 17
- 239000003546 flue gas Substances 0.000 title claims abstract description 17
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 27
- 239000002594 sorbent Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000003517 fume Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical group [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
本实用新型公开了一种烧结烟气二噁英与颗粒污染物协同净化装置，包括与烧结机密封联通的主烟道，所述主烟道后依次连接有一级净化装置、二级净化装置和排气装置；本实用新型通过在主烟道后设置一级净化装置和二级净化装置实现了二噁英粉尘的净化，结构简单，运行安全稳定，除尘效率高、无二次污染。
The utility model discloses a synergistic purification device for dioxin and particle pollutants in sintering flue gas, which comprises a main flue which is sealed and communicated with the sintering machine. Exhaust device: The utility model realizes the purification of dioxin dust by setting a primary purification device and a secondary purification device behind the main flue, with simple structure, safe and stable operation, high dust removal efficiency, and no secondary pollution.
Description
Technical field
The utility model relates to a kind of synergistic purification device, is specifically related to a kind of sintering flue gas dioxin and particulate pollutant synergistic purification device.
Background technology
Bioxin is the most malicious material in the whole world, its toxicity is potassium cyanide 1000 times.Investigation demonstration, the annual all kinds of dioxin emission amounts of China are about 10.2kg-TEQ, and wherein smelting iron and steel discharge capacity is 4.59kg-TEQ, accounts for 45% of total amount, and steel industry exceedes 50% with sintering circuit discharge.Therefore, steel industry bioxin is administered sintering circuit and is stood in the breach, and China has promulgated " steel sintering, pelletizing industrial air pollution thing discharge standard " (GB28662-2012) Dui bioxin and granular material dischargedly all have a clear and definite requirement, but not yet have mature and reliable bioxin purification techniques to carry out commercial Application at sintering machine at present, sintering dioxin emission qualified discharge shoulders heavy responsibilities.According to related data, sintering machine generation of dioxin and sintering there is following features and rule: (1) exceedes 80% at the generation of sintering machine second half section, is the definitely main region that produces, and first half section generation is less; (2) bioxin are white solid under normal temperature, normal pressure; There is no polarity, be insoluble in water, be soluble in fat and carbon tetrachloride i; Molten boiling point is higher, conventionally starts to decompose at 500 ℃, only needs 21s can decompose completely 800 ℃ time; (3), in sinter fume temperature-fall period, between 250 ℃～500 ℃ of low-temperature zone, decomposition bioxin can synthesize again.
Current sintered particles thing purifies take electric dust-removing process as main, but is subject to the impact of sinter fume composition, and electric precipitation efficiency of dust collection is lower and unstable, causes discharge absolute figure higher and unstable even not up to standard.The technical method of seeking a kind of higher efficiency of dust collection has environment protection significance.
At present the solid that contains bioxin of collecting is not yet had cheaply to effectively treating method, go to process mainly with landfill or special incinerator greatly, leave hidden danger or cost is higher.Therefore, be necessary to work out a kind of device, can, have advantages of simultaneously.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of sintering flue gas dioxin and particulate pollutant synergistic purification device, and it is simple in structure, and security of operation is stable, the advantages such as efficiency of dust collection is high, non-secondary pollution.
The purpose of this utility model is achieved through the following technical solutions: a kind of sintering flue gas dioxin and particulate pollutant synergistic purification device, comprise and the flue collector of sintering machine sealing UNICOM, after described flue collector, be connected with first class purification device, secondary purification device and exhaust apparatus in turn;
Further, described flue collector is divided into concentrated phase flue collector and dilute phase flue collector according to bioxin concentration difference, described first class purification device comprises separate concentrated phase first class purification device and dilute phase first class purification device, described concentrated phase first class purification device and concentrated phase flue collector UNICOM, described dilute phase first class purification device and dilute phase flue collector UNICOM;
Further, described dilute phase flue collector and concentrated phase flue collector cut off completely;
Further, described dilute phase flue collector length accounts for 45%～55% of flue collector total length;
Further, between described first class purification device and secondary purification device, be also provided with sorbent injection device;
Further, described sorbent injection device comprises venturi transmitter and control valve group;
Further, described first class purification device is provided with for being transmitted back to the dust Pneumatic conveyer I that sintering machine is recycled take sintering breeze as main dust;
Further, described secondary purification device is provided with for being delivered to the dust Pneumatic conveyer II of burning in boiler take active carbon, bioxin as main dust;
Further, described exhaust apparatus comprises blower fan and the exhaust chimney for purified gas is discharged;
Further, described first class purification device is electric cleaner, and described secondary purification device is filtration dust catcher.
The beneficial effects of the utility model are: the utility model is realized the purification of bioxin dust by first class purification device and secondary purification device are set after flue collector, simple in structure, and security of operation is stable, and efficiency of dust collection is high, non-secondary pollution.
Other other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating below, or can from practice of the present utility model, be instructed.Target of the present utility model and other other advantages can be realized and be obtained by description below.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
Fig. 1 is the utility model structural representation.
The specific embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment is only for the utility model is described, rather than in order to limit protection domain of the present utility model.
As shown in the figure, a kind of sintering flue gas dioxin and particulate pollutant synergistic purification device, comprise the flue collector with sintering machine sealing UNICOM, after described flue collector, be connected with first class purification device, secondary purification device and exhaust apparatus in turn, described first class purification device is electric cleaner, and described secondary purification device is filtration dust catcher; First class purification device and secondary purification device are set after flue collector in the present embodiment and realize the purification of the harmful dusts such as bioxin, simple in structure, security of operation is stable, and efficiency of dust collection is high, non-secondary pollution.
In the present embodiment, described flue collector is divided into concentrated phase flue collector 11 and dilute phase flue collector 12 according to bioxin concentration difference, described first class purification device comprises separate concentrated phase first class purification device 31 and dilute phase first class purification device 32, described concentrated phase first class purification device 31 passes through smoke discharging pipe 2 UNICOMs with concentrated phase flue collector 11, described dilute phase first class purification device 32 passes through smoke discharging pipe 2 UNICOMs with dilute phase flue collector 12, described dilute phase flue collector and concentrated phase flue collector cut off completely, and described dilute phase flue collector length accounts for 45%～55% of flue collector total length; After being separated, flue collector contributes to improve system purification efficiency.
In the present embodiment, between described first class purification device and secondary purification device, be also provided with sorbent injection device; Described sorbent injection device comprises venturi transmitter 4 and control valve group 5; The device of secondary purification described in the present embodiment 6 is connected with dilute phase first class purification device 32 with concentrated phase first class purification device 31 respectively for two cover purifiers independently, and certainly in different embodiment, sorbent injection device and secondary purification device 6 can be also a set of other connected modes that simultaneously adopt.
In the present embodiment, described first class purification device is provided with for being transmitted back to the dust Pneumatic conveyer I 9 that sintering machine is recycled take sintering breeze as main dust; This retracting device is set and not only can also there is the benefit of recycling sintering breeze by purifying smoke.
In the present embodiment, described secondary purification device is provided with for being delivered to the dust Pneumatic conveyer II of burning in boiler take active carbon, bioxin as main dust; This retracting device is set and not only can also there is the benefit of recycling active carbon, bioxin by purifying smoke.
In the present embodiment, described exhaust apparatus comprises blower fan 7 and the exhaust chimney 8 for purified gas is discharged.
In sum, embodiment of the present utility model has following benefit:
1) by the utility model to bioxin, particulate pollutant synergistic purification in sinter fume after, guaranteed the flue gas dioxin concentration 0～0.5ng-TEQ/kg of discharge after purifying, particle dust content≤20mg/m3, reaches national environmental standard.
2) the utility model, especially according to the sinter fume Zhong bioxin regularity of distribution, is controlled respectively and is sprayed into quantity of sorbent according to concentrated phase, dilute phase, effectively reduces operating cost, and flow process is more reasonable.
3) ash that electric cleaner traps is directly back to sintering machine utilization, has improved recycling of dust, environmental protection low-carbon (LC).
4) what filtration dust catcher trapped contain bioxin dust is delivered in boiler directly burning utilize, thoroughly decompose non-secondary pollution.
5) the utility model is simple in structure, and stable and reliable operation is invested littlely, and operation expense is low.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (9)
1. sintering flue gas dioxin and a particulate pollutant synergistic purification device, is characterized in that: comprise and the flue collector of sintering machine sealing UNICOM, be connected with first class purification device, secondary purification device and exhaust apparatus after described flue collector in turn; Described flue collector is divided into concentrated phase flue collector and dilute phase flue collector according to bioxin concentration difference, described first class purification device comprises separate concentrated phase first class purification device and dilute phase first class purification device, described concentrated phase first class purification device and concentrated phase flue collector UNICOM, described dilute phase first class purification device and dilute phase flue collector UNICOM.
2. a kind of sintering flue gas dioxin according to claim 1 and particulate pollutant synergistic purification device, is characterized in that: described dilute phase flue collector and concentrated phase flue collector cut off completely.
3. a kind of sintering flue gas dioxin according to claim 2 and particulate pollutant synergistic purification device, is characterized in that: described dilute phase flue collector length accounts for 45%～55% of flue collector total length.
4. a kind of sintering flue gas dioxin according to claim 1 and particulate pollutant synergistic purification device, is characterized in that: between described first class purification device and secondary purification device, be also provided with sorbent injection device.
5. a kind of sintering flue gas dioxin according to claim 4 and particulate pollutant synergistic purification device, is characterized in that: described sorbent injection device comprises venturi transmitter and control valve group.
6. a kind of sintering flue gas dioxin according to claim 1 and particulate pollutant synergistic purification device, is characterized in that: described first class purification device is provided with for being transmitted back to the dust Pneumatic conveyer I that sintering machine is recycled take sintering breeze as main dust.
7. a kind of sintering flue gas dioxin according to claim 1 and particulate pollutant synergistic purification device, is characterized in that: described secondary purification device is provided with for being delivered to the dust Pneumatic conveyer II of burning in boiler take active carbon, bioxin as main dust.
8. a kind of sintering flue gas dioxin according to claim 1 and particulate pollutant synergistic purification device, is characterized in that: described exhaust apparatus comprises blower fan and the exhaust chimney for purified gas is discharged.
9. a kind of sintering flue gas dioxin according to claim 1 and particulate pollutant synergistic purification device, is characterized in that: described first class purification device is electric cleaner, described secondary purification device is filtration dust catcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665692.2U CN203610017U (en) | 2013-10-24 | 2013-10-24 | Sintering flue gas dioxin and particulate pollutant synergetic purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665692.2U CN203610017U (en) | 2013-10-24 | 2013-10-24 | Sintering flue gas dioxin and particulate pollutant synergetic purification device |
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| Publication Number | Publication Date |
|---|---|
| CN203610017U true CN203610017U (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320665692.2U Expired - Fee Related CN203610017U (en) | 2013-10-24 | 2013-10-24 | Sintering flue gas dioxin and particulate pollutant synergetic purification device |
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| Country | Link |
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| CN (1) | CN203610017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107754580A (en) * | 2017-11-07 | 2018-03-06 | 钢研晟华科技股份有限公司 | It is a kind of to sinter flue gas segmentation and the method using blast furnace processing flue gas pollutant |
-
2013
- 2013-10-24 CN CN201320665692.2U patent/CN203610017U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107754580A (en) * | 2017-11-07 | 2018-03-06 | 钢研晟华科技股份有限公司 | It is a kind of to sinter flue gas segmentation and the method using blast furnace processing flue gas pollutant |
| CN107754580B (en) * | 2017-11-07 | 2022-05-13 | 钢研晟华科技股份有限公司 | Method for segmenting sintering flue gas and treating flue gas pollutants by using blast furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CISDI ENGINEERING CO., LTD. Effective date: 20140515 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140515 Address after: 400013 Chongqing City, Yuzhong District No. 2 Steel Road, No. 1 Patentee after: Zhongye Saide Engineering Technology Co., Ltd. Patentee after: CISDI Shanghai Engineering Co., Ltd. Address before: 400013 Chongqing City, Yuzhong District No. 2 Steel Road, No. 1 Patentee before: Zhongye Saide Engineering Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20141024 |
|
| EXPY | Termination of patent right or utility model |