CN103292608A - Device and method for reducing generation and emission of sintered dioxin - Google Patents
Device and method for reducing generation and emission of sintered dioxin Download PDFInfo
- Publication number
- CN103292608A CN103292608A CN201310239006XA CN201310239006A CN103292608A CN 103292608 A CN103292608 A CN 103292608A CN 201310239006X A CN201310239006X A CN 201310239006XA CN 201310239006 A CN201310239006 A CN 201310239006A CN 103292608 A CN103292608 A CN 103292608A
- Authority
- CN
- China
- Prior art keywords
- sintering
- flue
- sintering machine
- discharging
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 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 13
- 238000005245 sintering Methods 0.000 claims abstract description 133
- 239000002912 waste gas Substances 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims abstract description 19
- 206010022000 influenza Diseases 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims description 47
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 18
- 239000000463 material Substances 0.000 abstract description 9
- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 12
- 238000006722 reduction reaction Methods 0.000 description 7
- 150000002013 dioxins Chemical class 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000011580 syndromic disease Diseases 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to a device and a method for reducing the generation and emission of sintering dioxin; the device comprises a sintering machine, a sintering machine air box and a sintering machine large flue; dividing a large flue of the sintering machine into two sections of mutually independent discharge flues and circulation flues; the exhaust flue is communicated with the front section of the air box of the sintering machine, and the circulating flue is communicated with the rear section of the air box of the sintering machine; the outlet of the discharge flue is communicated with the discharge pipeline; a sealing cover is arranged at the front section of the sintering machine; the circulating flue is connected with the inlet of the circulating fan through a waste gas circulating pipeline, and the outlet of the circulating fan is communicated with the sealing cover through a gas transmission pipeline; a circular cold air circulating pipeline which is connected in parallel with the waste gas circulating pipeline is communicated with the inlet of the circulating fan; and the inlet of the annular cold air circulating pipeline is communicated with an annular cold air cover of the annular cooler. Most of the dioxin in the sintering waste gas is introduced into the sintering material layer and is decomposed in the sintering combustion zone, so that the generation and discharge amount of the dioxin in the whole sintering process are reduced.
Description
Technical field
The invention relates to sintering process and device in a kind of field of metallurgy, relate in particular to a kind of device and method that reduces sintering generation of dioxin and discharging.
Background technology
Sintering circuit Shi dioxin pollutant in the steel and iron industry produces more production unit.Result of study shows that sintering produces the De bioxin and accounts for 17.6% of total displacement, is only second to waste incineration, occupies second.For a long time, domestic steel industry does not produce enough attention for the reduction of discharging of bioxin.The signatories to a treaty of China's conduct " about the Convention of Stockholm of persistence organic pollutant (POPs) ", the obligated discharging of taking necessary means and measure control dioxin pollutant.
Existing sintering process bioxin Prevention Technique mainly is divided into two classes, one class methods are to control according to the generation of the dioxins materials of formation mechanism of sintering process Zhong bioxin, these class methods mainly are to realize by the materials such as the compound that contains benzene ring structure, chlorine source and catalytic materials that reduce in the raw materials for sintering, but this method has certain limitation, bigger to raw-material dependence, can not satisfy the needs that modern iron ore sintering is produced fully; And another kind of method is at generating the reduction of discharging measure that the De dioxins materials carries out, mainly contain active carbon adsorption, selective catalytic reduction, desulphurization denitration method etc., these end treatment methods have played certain positive role for the reduction of discharging of sintering circuit bioxin, but they are still in that to exist up-front investment in varying degrees big, the operating cost height, problem such as technology complexity and removal efficiency are lower.
Thus, the inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of device and method that reduces sintering generation of dioxin and discharging, to overcome the defective of prior art.
Summary of the invention
The object of the present invention is to provide a kind of device and method that reduces sintering generation of dioxin and discharging, to be implemented in the reduction of discharging of whole sintering process Zhong bioxin.
Another object of the present invention is to provide a kind of device and method that reduces sintering generation of dioxin and discharging, energy-saving and cost-reducing rationally to utilize the sinter fume waste heat, reduce operating cost.
The object of the present invention is achieved like this, a kind of device that reduces sintering generation of dioxin and discharging; The sintering machine large flue that described device includes sintering machine, sintering machine wind box and is communicated with sintering machine wind box; Described sintering machine large flue is divided into two sections separate discharging flue and cycle flues; Described discharging flue is communicated with sintering machine leading portion bellows, and described cycle flue is communicated with sintering machine back segment bellows; The outlet of described discharging flue and discharge tube conducting; Described sintering machine leading portion is provided with seal closure; Described cycle flue is connected with a circulating fan import by a waste gas circulation pipeline, and the circulating fan outlet is communicated in seal closure by a gas pipeline; Article one, the ring cold wind circulating line conducting that is arranged in parallel with the waste gas circulation pipeline is in the circulating fan import; The import of described ring cold wind circulating line is communicated with the ring cold wind cover of central cooler.
In a preferred embodiments of the present invention, the entrance point of described circulating fan is provided with an air valve; The port of export of described circulating fan is provided with an oxygen content checkout gear.
In a preferred embodiments of the present invention, be respectively equipped with a control valve in described waste gas circulation pipeline and the ring cold wind circulating line.
In a preferred embodiments of the present invention, be provided with high-temperature dust removing device in the described waste gas circulation pipeline.
In a preferred embodiments of the present invention, described cycle flue one end is provided with converts cold blast sliding valve.
In a preferred embodiments of the present invention, the import of described ring cold wind circulating line is communicated with the 3rd section ring cold wind cover of central cooler.
In a preferred embodiments of the present invention, be sequentially with main deduster, main exhauster, flue gas purifying equipment and chimney in the described discharge tube.
Purpose of the present invention can also realize like this, a kind of method that reduces sintering generation of dioxin and discharging, the sintering machine large flue is divided into two sections separate discharging flue and cycle flues, the discharging flue is communicated with sintering machine leading portion bellows, cycle flue is communicated with sintering machine back segment bellows, high-temp waste gas is collected by cycle flue in the sintering machine back segment bellows, mix with the central cooler hot blast through behind the high-temperature dust removal, after allocating a certain amount of fresh air again into, feed the interior sintering that is used for of seal closure on sintering machine leading portion top; Waste gas in the sintering machine leading portion bellows is collected and is discharged by discharge tube by the discharging flue.
In a preferred embodiments of the present invention, the oxygen content that feeds the gas in the sintering machine leading portion top seal cover is detected by the oxygen content checkout gear, according to the injection rate of testing result control fresh air.
From the above mentioned, the present invention is the waste gas of the higher sintering machine back segment bellows of Shou Ji bioxin content, after mixing with central cooler cooling hot blast and allocating the certain quantity of fresh air into, be back in the seal closure on sintering machine top and carry out sintering, and the waste gas in the sintering machine leading portion bellows discharges.The present invention feeds sinter bed with the most bioxin in the sintered discharge gas, it is decomposed at the sintering combustion band, thereby has reduced whole sintering process De bioxin discharge capacity; The sintering discharging waste gas reduces simultaneously, can improve follow-up gas cleaning efficient, and reduce follow-up gas cleaning cost; In addition, the sensible heat in the waste gas also will be fully utilized, and finally realize the effect of energy-saving and emission-reduction.
Description of drawings
The following drawings only is intended to the present invention done and schematically illustrates and explain, not delimit the scope of the invention.Wherein:
Fig. 1: the apparatus structure schematic diagram that reduces sintering generation of dioxin and discharging for the present invention.
The specific embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.
As shown in Figure 1, the present invention proposes a kind of device 100 that reduces sintering generation of dioxin and discharging; The sintering machine large flue 3 that described device 100 includes sintering machine 1, sintering machine wind box 2 and is communicated with sintering machine wind box, described sintering machine is provided with igniter 12; In the present embodiment, described sintering machine large flue 3 is divided into two sections separate discharging flues 31 and cycle flue 32; Described discharging flue 31 is communicated with sintering machine leading portion bellows 21, and described cycle flue 32 is communicated with sintering machine back segment bellows 22; The outlet of described discharging flue 31 and discharge tube 4 conductings are discharged the waste gas that the sintering machine leading portion produces by discharge tube 4, are sequentially with main deduster 41, main exhauster 42, flue gas purifying equipment 43 and chimney 44 in the described discharge tube 4; Described sintering machine 1 leading portion is provided with seal closure 11; Described cycle flue 32 is connected with a circulating fan 5 imports by a waste gas circulation pipeline 321, is provided with high-temperature dust removing device 3211 in the described waste gas circulation pipeline 321; Circulating fan 5 outlets are communicated in seal closure 11 by a gas pipeline 6; Article one, ring cold wind circulating line 71 conductings that are arranged in parallel with waste gas circulation pipeline 321 are in circulating fan 5 imports; The import of described ring cold wind circulating line 71 is communicated with the ring cold wind cover 72 of central cooler 7, in the present embodiment, the import of described ring cold wind circulating line 71 is (about 100～150 ℃ of these part wind-warm syndrome that are communicated with the 3rd section of central cooler 7 ring cold wind cover 72, and dustiness is extremely low), described ring air-cooler 7 is provided with a plurality of air blasts 73; Thus, high-temp waste gas in the sintering machine back segment bellows is collected by cycle flue, mixed with the central cooler hot blast through behind the high-temperature dust removal, feed the interior sintering that is used for of seal closure on sintering machine leading portion top.
The generation of sintering process Zhong bioxin is mainly by three kinds of forms, and the one, bring the De bioxin in dedusting ash, other technology returning charges into and decompose fully; The 2nd, some chloride precursor compounds generate bioxin by catalysis; The 3rd, generated through catalysis by the organic or inorganic chlorine in big molecular carbon and the flying dust matrix, this also is the main source of sintering process Zhong bioxin.Studies show that, the generation of sintering dioxins materials mainly occurs in drying and preheating band (250～450 ℃), the De bioxin transports downwards with air-flow after the generation, afterwards by lower floor's compound adsorption and enrichment, finally is transported to sintering machine delivery end (that is: the back segment of sintering machine).When the combustion zone combustion front moves to the sinter bed bottom, be released again by bed of material enrichment De bioxin.Thereby the content of ， bioxin is lower in the initial several bellows of sintering machine (the leading portion bellows of sintering machine), simultaneously, EGT is also lower, and along with the carrying out of sintering process, dioxins materials content is higher in sintering machine afterbody bellows, and this moment, EGT was also higher.
And selecting this part higher (that is: the back segment of sintering machine) high-temperature flue gas of bioxin content to recycle the bioxin, the present invention in cyclic process, passes through sinter bed, when its during by the high-temp combustion band, combustion decomposition takes place, reduce the discharging of bioxin then.In addition, contain a small amount of SO in the cycle gas simultaneously
2, its generation to sintering process Zhong bioxin has bigger inhibitory action, thereby further reduces the generation of bioxin.
Further, as shown in Figure 1, in the present embodiment, the entrance point of described circulating fan 5 is provided with an air valve 51; The port of export of described circulating fan 5 is provided with an oxygen content checkout gear 52; In order to coordinate the oxygen content in the control recyclegas; The oxygen content that feeds the gas in the sintering machine leading portion top seal cover 11 is detected by oxygen content checkout gear 52, determines whether open air valve 51 according to testing result, controls the injection rate of fresh air thus.
In the present embodiment, be respectively equipped with a control valve 8 in described waste gas circulation pipeline 321 and the ring cold wind circulating line 71, with the control air quantity.
Further, as shown in Figure 1, in the present embodiment, described cycle flue 32 is provided with converts cold blast sliding valve 322, is used for the control EGT, protection system safety.
The present invention also proposes a kind of device 100 of above-mentioned minimizing sintering generation of dioxin and discharging that utilizes and carries out emission reduction method, this method is that the sintering machine large flue is divided into two sections separate discharging flue and cycle flues, the discharging flue is communicated with sintering machine leading portion bellows, cycle flue is communicated with sintering machine back segment bellows, high-temp waste gas is collected by cycle flue in the sintering machine back segment bellows, mix with the central cooler hot blast through behind the high-temperature dust removal, after allocating a certain amount of fresh air again into, feed the interior sintering that is used for of seal closure on sintering machine leading portion top; Waste gas in the sintering machine leading portion bellows is collected and is discharged by discharge tube by the discharging flue.
The sintered discharge gas that this method is higher with bioxin content and wind-warm syndrome is higher returns the seal closure on sintering machine top, when realizing hot gas sintering, has reduced that total emission volumn and the sintering of dioxins materials effluxes total exhaust gas volumn in the sintering process; This method is rationally utilized the sinter fume waste heat, and is energy-saving and cost-reducing, and the minimizing of waste gas total release will cause the treating capacity of follow-up fume purifying processes to reduce, and efficient improves, and investment and operating cost are reduced.
In the method, the oxygen content that feeds the gas in the sintering machine leading portion top seal cover is detected by the oxygen content checkout gear, according to the injection rate of testing result control fresh air.
Below the idiographic flow of this method is made description:
During SINTERING PRODUCTION, when chassis moves at the sintering machine leading portion, carry out exhausting by main exhauster 42, recyclegas in the seal closure 11 participates in sintering process by sinter bed, the waste gas that generates is collected to discharging flue 31 by sintering machine leading portion bellows, then pass through main deduster 41, main exhauster 42, flue gas purifying equipment 43 successively, finally by chimney 44 dischargings; When chassis runs to the sintering machine back segment, carry out exhausting by circulating fan 5, chassis top does not have seal closure, sintering process is used air, the waste gas that generates is collected to cycle flue 32 by the bellows of sintering machine back segment, after passing through high-temperature dust removing device 3211 backs and the 3rd section cooling air of central cooler mixing, introduce seal closures 11 through circulating fan 5, carry out sintering process so that the sintering machine leading portion to be provided.Arrange on the cycle flue 32 and convert cold blast sliding valve 322, when EGT too high (surpassing the hot precipitator working temperature) time opens, be blended into part cold wind control EGT; On waste gas circulation pipeline 321 and the ring cold wind circulating line 71 control valve 8 is set respectively, in order to regulate two parts gas flow; Circulating fan 5 front and back arrange air valve 51, oxygen content checkout gear 52 respectively, by allocating amount of fresh air control recyclegas oxygen content into, normally carry out to guarantee sintering process.
From the above mentioned, the method that the present invention adopts is the waste gas of the higher sintering machine back segment bellows of Shou Ji bioxin content, after mixing with central cooler cooling hot blast and allocating the certain quantity of fresh air into, be back in the seal closure on sintering machine top and carry out sintering, and the waste gas in the sintering machine leading portion bellows discharges.The present invention feeds sinter bed with the most bioxin in the sintered discharge gas, it is decomposed at the sintering combustion band, thereby has reduced whole sintering process De bioxin discharge capacity; The sintering discharging waste gas reduces simultaneously, can improve follow-up gas cleaning efficient, and reduce follow-up gas cleaning cost; In addition, the sensible heat in the waste gas also will be fully utilized, and finally realize the effect of energy-saving and emission-reduction.
The above only is the schematic specific embodiment of the present invention, is not in order to limit scope of the present invention.Any those skilled in the art, the equivalent variations of having done under the prerequisite that does not break away from design of the present invention and principle and modification all should belong to the scope of protection of the invention.
Claims (9)
1. device that reduces sintering generation of dioxin and discharging; The sintering machine large flue that described device includes sintering machine, sintering machine wind box and is communicated with sintering machine wind box; It is characterized in that: described sintering machine large flue is divided into two sections separate discharging flue and cycle flues; Described discharging flue is communicated with sintering machine leading portion bellows, and described cycle flue is communicated with sintering machine back segment bellows; The outlet of described discharging flue and discharge tube conducting; Described sintering machine leading portion is provided with seal closure; Described cycle flue is connected with a circulating fan import by a waste gas circulation pipeline, and the circulating fan outlet is communicated in seal closure by a gas pipeline; Article one, the ring cold wind circulating line conducting that is arranged in parallel with the waste gas circulation pipeline is in the circulating fan import; The import of described ring cold wind circulating line is communicated with the ring cold wind cover of central cooler.
2. the device of minimizing sintering generation of dioxin as claimed in claim 1 and discharging, it is characterized in that: the entrance point of described circulating fan is provided with an air valve; The port of export of described circulating fan is provided with an oxygen content checkout gear.
3. the device of minimizing sintering generation of dioxin as claimed in claim 1 and discharging is characterized in that: be respectively equipped with a control valve in described waste gas circulation pipeline and the ring cold wind circulating line.
4. the device of minimizing sintering generation of dioxin as claimed in claim 3 and discharging is characterized in that: be provided with high-temperature dust removing device in the described waste gas circulation pipeline.
5. the device of minimizing sintering generation of dioxin as claimed in claim 4 and discharging, it is characterized in that: described cycle flue one end is provided with converts cold blast sliding valve.
6. the device of minimizing sintering generation of dioxin as claimed in claim 1 and discharging is characterized in that: the import of described ring cold wind circulating line is communicated with the 3rd section ring cold wind cover of central cooler.
7. the device of minimizing sintering generation of dioxin as claimed in claim 1 and discharging is characterized in that: be sequentially with main deduster, main exhauster, flue gas purifying equipment and chimney in the described discharge tube.
8. one kind is utilized claim 1～7 each reduces the method for sintering generation of dioxin and discharging, the sintering machine large flue is divided into two sections separate discharging flue and cycle flues, the discharging flue is communicated with sintering machine leading portion bellows, cycle flue is communicated with sintering machine back segment bellows, high-temp waste gas is collected by cycle flue in the sintering machine back segment bellows, mix with the central cooler hot blast through behind the high-temperature dust removal, after allocating a certain amount of fresh air again into, feed the interior sintering that is used for of seal closure on sintering machine leading portion top; Waste gas in the sintering machine leading portion bellows is collected and is discharged by discharge tube by the discharging flue.
9. the method for minimizing sintering generation of dioxin as claimed in claim 8 and discharging, it is characterized in that: the oxygen content that feeds the gas in the sintering machine leading portion top seal cover is detected by the oxygen content checkout gear, according to the injection rate of testing result control fresh air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310239006XA CN103292608A (en) | 2013-06-17 | 2013-06-17 | Device and method for reducing generation and emission of sintered dioxin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310239006XA CN103292608A (en) | 2013-06-17 | 2013-06-17 | Device and method for reducing generation and emission of sintered dioxin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103292608A true CN103292608A (en) | 2013-09-11 |
Family
ID=49093882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310239006XA Pending CN103292608A (en) | 2013-06-17 | 2013-06-17 | Device and method for reducing generation and emission of sintered dioxin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103292608A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615909A (en) * | 2013-12-11 | 2014-03-05 | 北京志能祥赢节能环保科技有限公司 | Hot air circulation sintering and sintering double-pressure waste heat utilizing system and method |
| CN104197702A (en) * | 2014-09-04 | 2014-12-10 | 武汉东川自来水科技开发有限公司 | Novel tunnel kiln structure and method for tunnel kiln to process organic polluted soil |
| CN105910111A (en) * | 2016-06-15 | 2016-08-31 | 重庆盎瑞悦科技有限公司 | Solid waste incineration system with exhaust gas secondary combustion drying ignition device and treatment method thereof |
| CN107631634A (en) * | 2017-11-01 | 2018-01-26 | 马鞍山钢铁股份有限公司 | A kind of sintering machine Novel air-extracting manifold system |
| CN110068222A (en) * | 2019-03-20 | 2019-07-30 | 孙慕文 | A kind of sintering pallet side seal and end seal |
| CN110068223A (en) * | 2019-03-20 | 2019-07-30 | 孙慕文 | A kind of sintering device flue gas circulation and sealing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5815710B2 (en) * | 1980-04-04 | 1983-03-26 | 住友重機械工業株式会社 | Waste heat recovery device in sintering equipment |
| CN102242257A (en) * | 2011-06-30 | 2011-11-16 | 中南大学 | Flue gas circulation and biomass energy combined iron ore sintering method |
| CN103063047A (en) * | 2013-01-25 | 2013-04-24 | 北京京诚科林环保科技有限公司 | Constant-temperature combined cycle sintering flue gas waste heat recovery system |
| CN203396254U (en) * | 2013-06-17 | 2014-01-15 | 中冶京诚工程技术有限公司 | Device for reducing generation and emission of sintered dioxin |
-
2013
- 2013-06-17 CN CN201310239006XA patent/CN103292608A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5815710B2 (en) * | 1980-04-04 | 1983-03-26 | 住友重機械工業株式会社 | Waste heat recovery device in sintering equipment |
| CN102242257A (en) * | 2011-06-30 | 2011-11-16 | 中南大学 | Flue gas circulation and biomass energy combined iron ore sintering method |
| CN103063047A (en) * | 2013-01-25 | 2013-04-24 | 北京京诚科林环保科技有限公司 | Constant-temperature combined cycle sintering flue gas waste heat recovery system |
| CN203396254U (en) * | 2013-06-17 | 2014-01-15 | 中冶京诚工程技术有限公司 | Device for reducing generation and emission of sintered dioxin |
Non-Patent Citations (1)
| Title |
|---|
| 范振宇: "《中国优秀硕士学位论文全文数据库》", 15 May 2012, article "烟气循环烧结的基础研究" * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615909A (en) * | 2013-12-11 | 2014-03-05 | 北京志能祥赢节能环保科技有限公司 | Hot air circulation sintering and sintering double-pressure waste heat utilizing system and method |
| CN103615909B (en) * | 2013-12-11 | 2015-04-08 | 北京志能祥赢节能环保科技有限公司 | Hot air circulation sintering and sintering double-pressure waste heat utilizing system and method |
| CN104197702A (en) * | 2014-09-04 | 2014-12-10 | 武汉东川自来水科技开发有限公司 | Novel tunnel kiln structure and method for tunnel kiln to process organic polluted soil |
| CN104197702B (en) * | 2014-09-04 | 2016-01-13 | 武汉东川自来水科技开发有限公司 | A kind of tunnel kiln structure and the method for this tunnel cave process organic polluted soil |
| CN105910111A (en) * | 2016-06-15 | 2016-08-31 | 重庆盎瑞悦科技有限公司 | Solid waste incineration system with exhaust gas secondary combustion drying ignition device and treatment method thereof |
| CN105910111B (en) * | 2016-06-15 | 2018-01-16 | 重庆盎瑞悦科技有限公司 | A kind of solid waste burning system and processing method that igniter is dried with secondary exhaust gas combustion |
| CN107631634A (en) * | 2017-11-01 | 2018-01-26 | 马鞍山钢铁股份有限公司 | A kind of sintering machine Novel air-extracting manifold system |
| CN107631634B (en) * | 2017-11-01 | 2023-06-23 | 马鞍山钢铁股份有限公司 | Novel exhaust branch pipe system of sintering machine |
| CN110068222A (en) * | 2019-03-20 | 2019-07-30 | 孙慕文 | A kind of sintering pallet side seal and end seal |
| CN110068223A (en) * | 2019-03-20 | 2019-07-30 | 孙慕文 | A kind of sintering device flue gas circulation and sealing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203396254U (en) | Device for reducing generation and emission of sintered dioxin | |
| CN105618019B (en) | Activated carbon Thermal desorption method and its device including UTILIZATION OF VESIDUAL HEAT IN | |
| CN103292608A (en) | Device and method for reducing generation and emission of sintered dioxin | |
| WO2018000857A1 (en) | Flue gas desulfurization and denitrification method and device | |
| CN107998818B (en) | Inert gas protection system and method for activated carbon adsorption tower | |
| CN105688873B (en) | Activated carbon Thermal desorption method and its device | |
| CN103253879B (en) | Cement clinker production technology for enriching CO2 by use of O2/CO2 combustion technology | |
| WO2018000888A1 (en) | Flue gas desulfurization and denitrification method and device capable of preventing corrosion | |
| CN103459963B (en) | For the production of the method and apparatus of clinker | |
| CN104034175B (en) | A kind of energy-saving and emission-reducing sintering process | |
| CN106178811A (en) | Prevent from resolving activated carbon Thermal desorption method and the device thereof of gas line clogging | |
| CN104190389A (en) | Thermal regeneration method and device of activated carbon | |
| CN104190388A (en) | Activated carbon thermal desorption method and device capable of utilizing afterheat | |
| CN108939807A (en) | A kind of flue gas purification device and its application method improving utilization rate of waste heat and denitrification rate | |
| CN103196144A (en) | Harmless resource comprehensive utilization device and method of pharmaceutical solid and gas waste | |
| CN101532783A (en) | Hot gas sintering surplus heat utilization system and utilization method thereof | |
| CN103344114A (en) | Novel energy-saving emission-reduction sintering machine system and sintering method | |
| CN103486867A (en) | Bypass process and system for cement kiln | |
| CN204503101U (en) | Active carbon thermal analysis apparatus | |
| CN111780560A (en) | Electric furnace flue gas emission treatment device and method | |
| CN208583143U (en) | Afterheat utilizing system | |
| CN211813457U (en) | System for catching and purifying carbon dioxide in cement clinker production line | |
| CN214390196U (en) | Activated carbon regeneration system with cement kiln and regeneration equipment | |
| CN110921667A (en) | System for capturing and purifying carbon dioxide in cement clinker production line and implementation method | |
| CN204768127U (en) | Prevent hot resolver of active carbon of analytic gas pipeline jam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130911 |