CN206683388U - A kind of electric furnace waste gas dust processing unit - Google Patents
A kind of electric furnace waste gas dust processing unit Download PDFInfo
- Publication number
- CN206683388U CN206683388U CN201720184212.9U CN201720184212U CN206683388U CN 206683388 U CN206683388 U CN 206683388U CN 201720184212 U CN201720184212 U CN 201720184212U CN 206683388 U CN206683388 U CN 206683388U
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- cover
- electric furnace
- processing unit
- waste gas
- bag
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- Expired - Fee Related
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model is a kind of electric furnace waste gas dust processing unit, including dust-removal cloth-bag, the dust-removal cloth-bag is arranged on air blast furnace upper end, the dust-removal cloth-bag upper end is connected with pipeline, the pipeline is provided with blower fan, the pipeline is connected with electrostatic precipitator, the other end of the electrostatic precipitator is connected with desulfurizing tower, the rear side of the desulfurizing tower is provided with electrostatic precipitator, the rear end of the electrostatic precipitator is connected with the neat stress passage of Steam treatment device, the former exhaust gases passes of the Steam treatment device are connected with desulfurizing tower front end, and the rear end of the Steam treatment device is chimney.A kind of electric furnace waste gas dust processing unit of the utility model, the heat smoke exported using sack cleaner, heat the cold flue gas after electrostatic precipitation, flue gas after desulfurization is reheated to exhaust temperature more than steam dew-point temperature, improved using after Steam treatment device because of flue-gas temperature, to pass through after vapor discharge in flue gas and just condense for more time, therefore the formation of white cigarette can be eliminated.
Description
Technical field
Environment purification equipment technical field is the utility model is related to, especially a kind of emission-control equipment.
Background technology
EAF dust source：The mainly grease type of furnace charge, melt under the burning of combustible and metallics high temperature
And caused dark brown flue dust, and waste gas caused by oxygen blast and reduction, substantial amounts of flue dust from three electrode holes on bell and
Emerge on the periphery of bell.
Although the content of various materials can be different and different with steel scrap species mixing ratio in flue gas, however in general flue gas
Main component CO2、CO、Ar、N2And O2.The main component of flue dust is Cr, Ni, Fe2O3、SiO2, CaO, C, MgO and Al2O3, MnO and
S etc., wherein ferriferous oxide is most.
More than 60% belongs to floating dust in smelting process, because flue dust is tiny, determines the selection of deduster, typically only adopts
It can just make emission compliance with sack cleaner.But in general sack cleaner capture rate is low, discharge capacity is big, easily produces dirty
Dye.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of electric furnace waste gas dust processing unit, solves existing skill
Art is low for electric furnace waste gas in general sack cleaner capture rate, and discharge capacity is big, easily produces the problem of pollution.
The utility model is achieved through the following technical solutions：
A kind of electric furnace waste gas dust processing unit, including dust cover structure and bag-type dust structure, the dedusting cover structure
Including semitight cover and roof cover, the semitight cover is arranged on the upper end of electric furnace, and the roof cover is located at the lower section on roof, institute
Semitight cover and roof cover to be stated to be connected with bag-type dust structure by pipeline, the bag-type dust structure rear end is provided with air-introduced machine,
The air-introduced machine is connected with chimney.
The further improvement project of the utility model is to be provided with switching valve between the semitight cover and roof cover.
The further improvement project of the utility model is, the semitight cover include the fixed cover for being arranged on electric furnace both sides and
The mobile cover of side before and after electric furnace is arranged on, the mobile cover includes being arranged on the middle position track movement cover on front side of electric furnace and is arranged on
The two-door mobile cover of tapping hole on rear side of electric furnace, the middle position track movement cover and two-door mobile cover can be with tandem docking, the shiftings
Dynamic cover forms a confined space with fixed cover, and the electric furnace can move forward and backward in semitight cover.
The further improvement project of the utility model is that the middle position track movement cover is on middle position track, in described
Position track is higher than electric furnace.
The further improvement project of the utility model is that the semitight cover cover top is arch.
The further improvement project of the utility model is that the dust gathering arrester structure bottom opens wide height 2.2m.
The further improvement project of the utility model is that the bag-type dust structure is Low-Pressure Pulse Bag Filter.
The utility model compared with prior art, has the following advantages that：
1st, a kind of electric furnace waste gas dust processing unit of the utility model, half-sealed cover and roof cover that three side sealing closes are employed
The collection mode being combined, dedusting is then carried out by bag-type dust structure, improve gas sampling rate, reduce discharge；
2nd, it is provided with switching valve between the semitight cover and roof cover, is used with half close seal closure dust suction during smelting, during charging
The big cover dust suction in roof, dust suction can be targetedly carried out, increase dust suction scope；
3rd, the fixed cover of the electric furnace both sides and the middle position track movement being arranged on front side of electric furnace are covered, are arranged on rear side of electric furnace
The two-door mobile cover pairing of tapping hole, electric furnace is covered in cover, and forms a confined space on bell top；
4th, the semitight cover cover top is arch, flue gas is more swimmingly entered exhaust duct；Under the dust cover structure
Portion opens wide height 2.2m and meets load dispatcher and blast-furnace man's observation and operation.
The utility model is described further with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of electric furnace waste gas dust processing unit of the utility model.
Wherein：1- dusts cover structure, 2- bag-type dusts structure, 3- roof covers, 4- air-introduced machines, 5- chimneys, 6- fix cover, 7-
The two-door mobile cover of middle position track movement cover, 8-, 9- middle positions track, 10- electric furnaces.
Embodiment
A kind of electric furnace waste gas dust processing unit shown in Fig. 1, including dust cover structure 1 and bag-type dust structure 2, it is described to remove
Dust hood structure includes semitight cover and roof cover 3, and the semitight cover is arranged on the upper end of electric furnace 10, and the roof cover 3 is located at
The lower section on roof, the semitight cover and roof cover 3 are connected by pipeline with bag-type dust structure 2, the bag-type dust structure 2
Rear end is provided with air-introduced machine 4, and the air-introduced machine 4 is connected with chimney 5；Switching valve is provided between the semitight cover and roof cover 3；Institute
State the fixed mobile cover for covering 6 and being arranged on side before and after electric furnace 10 that semitight cover includes being arranged on the both sides of electric furnace 10, the movement
Cover includes the middle position track movement cover 7 for being arranged on the front side of electric furnace 10 and the two-door mobile cover 8 for being arranged on the rear side tapping hole of electric furnace 10,
Middle position track movement cover 7 and two-door mobile cover 8 can be closed with tandem docking, the mobile cover and the fixed formation of cover 6 one
Space, the electric furnace 10 can move forward and backward in semitight cover；The middle position track movement cover 7 is described on middle position track 9
Middle position track 9 is higher than electric furnace 10；The semitight cover cover top is arch；Caught provided with spark the front end of the bag-type dust structure 2
Storage 11；The lower open height 2.2m of dust cover structure 1；The bag-type dust structure 2 is Low-Pressure Pulse Bag Filter.
During tapping, two-door mobile cover 8 is opened after electric furnace 10；During charging, electricity, 10 stove parts are outputed from the lower section of middle position track 9；
Electric furnace changes electrode, and during maintenance, the longitudinal direction of middle position track movement cover 7 is opened；During smelting, fixed cover 6 and mobile cover pairing, by electric furnace 10
Cover in cover, and a confined space is formed on bell top, electric furnace 10 fascinates before and after can making in cover.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (7)
1. a kind of electric furnace waste gas dust processing unit, including dust cover structure（1）With bag-type dust structure（2）, it is characterised in that：
The dedusting cover structure includes semitight cover and roof cover（3）, the semitight cover is arranged on electric furnace（10）Upper end, the room
Overhead guard（3）Positioned at the lower section on roof, the semitight cover and roof cover（3）Pass through pipeline and bag-type dust structure（2）Connection, institute
State bag-type dust structure（2）Rear end is provided with air-introduced machine（4）, the air-introduced machine（4）With chimney（5）Connection.
A kind of 2. electric furnace waste gas dust processing unit according to claim 1, it is characterised in that：The semitight cover and room
Overhead guard（3）Between be provided with switching valve.
A kind of 3. electric furnace waste gas dust processing unit according to claim 1, it is characterised in that：The semitight cover includes
It is arranged on electric furnace（10）The fixed cover of both sides（6）Be arranged on electric furnace（10）The mobile cover of front and rear side, the mobile cover include setting
Put in electric furnace（10）The middle position track movement cover of front side（7）Be arranged on electric furnace（10）The two-door mobile cover of rear side tapping hole（8）,
The middle position track movement cover（7）With two-door mobile cover（8）It can be covered with tandem docking, the mobile cover with fixed（6）Form one
Individual confined space, the electric furnace（10）It can be moved forward and backward in semitight cover.
A kind of 4. electric furnace waste gas dust processing unit according to claim 3, it is characterised in that：The middle position track movement
Cover（7）Positioned at middle position track（9）On, the middle position track（9）Higher than electric furnace（10）.
A kind of 5. electric furnace waste gas dust processing unit according to claim 1, it is characterised in that：The semitight cover cover top
For arch.
A kind of 6. electric furnace waste gas dust processing unit according to claim 1, it is characterised in that：The dust cover structure
（1）Lower open height 2.2m.
A kind of 7. electric furnace waste gas dust processing unit according to claim 1, it is characterised in that：The bag-type dust structure
（2）For Low-Pressure Pulse Bag Filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720184212.9U CN206683388U (en) | 2017-02-28 | 2017-02-28 | A kind of electric furnace waste gas dust processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720184212.9U CN206683388U (en) | 2017-02-28 | 2017-02-28 | A kind of electric furnace waste gas dust processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206683388U true CN206683388U (en) | 2017-11-28 |
Family
ID=60392452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720184212.9U Expired - Fee Related CN206683388U (en) | 2017-02-28 | 2017-02-28 | A kind of electric furnace waste gas dust processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206683388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109971915A (en) * | 2019-04-23 | 2019-07-05 | 宜昌船舶柴油机有限公司 | A kind of electrical arc furnace dust exhaust apparatus |
-
2017
- 2017-02-28 CN CN201720184212.9U patent/CN206683388U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109971915A (en) * | 2019-04-23 | 2019-07-05 | 宜昌船舶柴油机有限公司 | A kind of electrical arc furnace dust exhaust apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province 311400 Fuyang City Fuchun Street Stadium Road No. 237 (the administrative service center 11 floor) Patentee after: Hangzhou Kedi Environmental Engineering Co.,Ltd. Address before: Hangzhou City, Zhejiang province 311400 Fuyang City Fuchun Street Stadium Road No. 237 (the administrative service center 11 floor) Patentee before: HANGZHOU KEDI ENVIRONMENT TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210426 Address after: Room 803, building 3, No.96, Huaxing Road, Xihu District, Hangzhou City, Zhejiang Province 310000 Patentee after: Hangzhou Yuda Environmental Protection Technology Co.,Ltd. Address before: Hangzhou City, Zhejiang province 311400 Fuyang City Fuchun Street Stadium Road No. 237 (the administrative service center 11 floor) Patentee before: Hangzhou Kedi Environmental Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |