CN206152616U - Cement produced with dry method kiln high activity caO draws interface structure - Google Patents
Cement produced with dry method kiln high activity caO draws interface structure Download PDFInfo
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- CN206152616U CN206152616U CN201620358025.3U CN201620358025U CN206152616U CN 206152616 U CN206152616 U CN 206152616U CN 201620358025 U CN201620358025 U CN 201620358025U CN 206152616 U CN206152616 U CN 206152616U
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- interface
- dore furnace
- high activity
- cao
- extraction
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Abstract
The utility model discloses a cement produced with dry method kiln high activity caO draws interface structure, it is located the dore furnace to draw the interface, extract the lateral wall that the interface is arranged in dore furnace upper portion, install is the pipeline that draws on the interface tilt up's 20 with the horizontal direction 30 the angle. It does not influence dore furnace internal flow to get a material mouthful structure, do not influence the prerequisite of the normal operating of production line under, draw dore furnace export high concentration caO material, be applied to dry spraying desulfurization technique desulfurizing slurry's preparation.
Description
Technical field
The utility model belongs to cement clinker production line reduces the technical field of desulfurization of SO2 discharges, more particularly to from decomposition
Outlet of still extracts the method containing high activity CaO high-temperature gases.
Background technology
From《Cement industry atmosphere pollutants emission standardses》(GB4915-2013) it is formal to implement, existing production line is required
The control of SO2 concentration of emissions is controlled in below 100mg/Nm3 in below 200mg/Nm3, key area.In order to further responsive to country
Environmental emission reduction policy, reduces production line SO2 concentration of emissions, and at present the exceeded cement producing line of initial SO2 concentration of emissions is mostly adopted
With all kinds of desulfurization technologies, wherein in order to reduce purchasing the cost of desulfurizing agent, also having extract high using the dore furnace of clinker line
The method of active CaO (desulfurizing agent), obtains about 60% desulfuration efficiency, but the crucial and difficult point of the desulfurization technology is high activity
The extraction of CaO (desulfurizing agent), the extraction position of current high activity CaO (desulfurizing agent) is difficult determination, has influence on the desulfurization technology
Application.
Utility model content
Technical problem to be solved in the utility model is to realize that a kind of reliable, efficient, little on dore furnace impact height is living
Property CaO extract interface structure.
To achieve these goals, the technical solution adopted in the utility model is：The extraction of dry-process cement rotary kiln high activity CaO
Interface structure, the extraction interface is located on dore furnace, and the interface that extracts is located on the side wall of dore furnace middle and upper part, is arranged on
Pipeline on the extraction interface is in acclivitous 20-30 ° of angle with horizontal direction.
The pipeline angle of inclination is 25 degree, and is fixed on the foot rest outside dore furnace by support.
The extraction interface is connected with dilution cooler, and the material of extraction enters after cooling cyclone separator, Jing rotations
The material of wind separator collection enters holding vessel, and waste gas Jing cyclone separators collect pipeline into preheater.
The high-temperature gas containing high activity CaO is extracted from the interface that extracts of the dore furnace, by cooling down material, gathering dust
Collection is got off, and is passed through in water, prepares the Ca (OH) of 20%-30%2Slurries, and slurries are ejected into by humidification by pump group conveying
Tower and raw mill entrance, reduce the SO in flue gas2。
The utility model is the structure for collecting the decomposition furnace outlet materials of CaO containing high activity, and the structure is not affected in dore furnace
Portion flow field, on the premise of not affecting the normal operation of production line, extracts decomposition furnace outlet high concentration CaO material, is applied to drying
The preparation of FGD by spraying mist technology desulfurization slurry.
Description of the drawings
The mark in the content and figure of every width accompanying drawing expression in the utility model specification is briefly described below：
Fig. 1 is the extraction interface structure schematic diagram of dry-process cement rotary kiln high activity CaO；
Mark in above-mentioned figure is：1st, dore furnace；2nd, interface is extracted.
Specific embodiment
The utility model belongs to cement clinker production line reduces SO2The desulfurization technology of discharge.Clinker production line is using spraying
Doctor treatment (high activity CaO is desulfurizing agent) is dried, about 60% desulfuration efficiency is realized, production line desulfurizing agent goes out from dore furnace 1
Mouthful resolution ratio is about 95% or so and enters kiln raw material (CaO is about 58%), and how the interface of selective extraction desulfurizing agent is most important,
The utility model can not affect the interior flow field of dore furnace 1, it is ensured that on the basis of production line runs well, be successfully selected desulfurizing agent
Extract interface 2.
The interface 2 that extracts of dry-process cement rotary kiln high activity CaO is located on the side wall of the middle and upper part of dore furnace 1, is connect installed in extraction
Pipeline on mouth 2 is in acclivitous 20-30 ° of angle with horizontal direction.Pipeline is fixed on the foot rest outside dore furnace 1 by support
On.More excellent scheme, extracts interface 2 and is located at the 3/4 of the whole height of dore furnace 1.
Flue gas desulfurization technique mainly extracts the high-temperature gas containing high activity CaO from the outlet of dore furnace 1, extracts interface 2
It is connected with dilution cooler, the material of extraction enters after cooling cyclone separator, and the material of Jing cyclone collections enters
Enter holding vessel, waste gas Jing cyclone separators collect pipeline into preheater, so as to through cooling, gathering dust and material collection got off,
And be passed through in water, prepare the Ca (OH) of 20%-30%2Slurries, and slurries are ejected into by conditioning Tower and raw material by pump group conveying
Mouth is grinding into, the SO in flue gas is reduced2。
The utility model aperture position, because the type of furnace and production line scale are different and different, but should meet with openings of sizes
Following condition：First technology arrangement is reasonable, does not mutually conflict with existing equipment；Secondly, the operation of denitration device is not affected；Finally
It is arranged in the big position of material concentration.Opening angle：It is in 25 ° of angles with horizontal direction, horizontal direction can be according to field apparatus shape
Condition is arranged.
Claims (3)
1. the extraction interface structure of dry-process cement rotary kiln high activity CaO, the extraction interface is located on dore furnace, it is characterised in that：
The interface that extracts is located on the side wall of dore furnace middle and upper part, pipeline and the horizontal direction on the extraction interface be in
Upper inclined 20-30 ° of angle.
2. extraction interface structure according to claim 1, it is characterised in that：The pipeline angle of inclination is 25 degree, and is led to
Cross support to be fixed on the foot rest outside dore furnace.
3. extraction interface structure according to claim 1 and 2, it is characterised in that：The extraction interface and dilution cooler
It is connected, the material of extraction enters after cooling cyclone separator, and the material of Jing cyclone collections enters holding vessel, waste gas
Jing cyclone separators collect pipeline into preheater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620358025.3U CN206152616U (en) | 2016-04-26 | 2016-04-26 | Cement produced with dry method kiln high activity caO draws interface structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620358025.3U CN206152616U (en) | 2016-04-26 | 2016-04-26 | Cement produced with dry method kiln high activity caO draws interface structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206152616U true CN206152616U (en) | 2017-05-10 |
Family
ID=58646104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620358025.3U Active CN206152616U (en) | 2016-04-26 | 2016-04-26 | Cement produced with dry method kiln high activity caO draws interface structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206152616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113522003A (en) * | 2021-08-09 | 2021-10-22 | 安徽海螺建材设计研究院有限责任公司 | Semi-dry desulfurization method for intermittent high-temperature flue gas of cement plant |
-
2016
- 2016-04-26 CN CN201620358025.3U patent/CN206152616U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113522003A (en) * | 2021-08-09 | 2021-10-22 | 安徽海螺建材设计研究院有限责任公司 | Semi-dry desulfurization method for intermittent high-temperature flue gas of cement plant |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 241000 South Jiuhua Road 1017, Yijiang District, Wuhu City, Anhui Province Patentee after: Anhui Conch Building Materials Design and Research Institute Co., Ltd. Address before: 241000 South Jiuhua Road 1017, Yijiang District, Wuhu City, Anhui Province Patentee before: Anhui Conch Design & Research Institute of Building Materials |