CN207936756U - A kind of fluidized bed furnace for generating rhenium-containing flue gas - Google Patents
A kind of fluidized bed furnace for generating rhenium-containing flue gas Download PDFInfo
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- CN207936756U CN207936756U CN201820091844.5U CN201820091844U CN207936756U CN 207936756 U CN207936756 U CN 207936756U CN 201820091844 U CN201820091844 U CN 201820091844U CN 207936756 U CN207936756 U CN 207936756U
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- China
- Prior art keywords
- rhenium
- flue gas
- containing flue
- fluidized bed
- generating
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Abstract
A kind of fluidized bed furnace for generating rhenium-containing flue gas, including furnace body and air distribution plate, the air distribution plate is evenly equipped with air holes, air distribution plate is horizontally fixed in furnace body, bottom of furnace body is open, open communication is to wind turbine, and the side wall of the furnace body above air distribution plate is equipped with feed inlet, discharge port and smoke outlet, and the smoke outlet front end is sticked and has flammable porous adsorption layer.Fluidized bed furnace provided by the utility model for generating rhenium-containing flue gas, the uncombusted little particle mineral in rhenium-containing flue gas are retained by flammable porous adsorption layer, and flammable porous adsorption layer is ignited, subsequent uncombusted little particle mineral further roast when passing through the flammable porous adsorption layer lighted, generate rhenium-containing flue gas, it is high to the latent heat utilization rate of mineral, it is more abundant to the extraction of rhenium element.
Description
Technical field
The utility model is related to oxidizing roasting equipment technical fields, more particularly, to a kind of fluidized bed furnace.
Background technology
Fluidized bed furnace is solid fuel（Such as coal）It is broken into the powder of certain particle size, is allowed in stove with similar boiling
State burning, can be used for the oxidizing roasting of mineral, such as can be therein to generate rhenium-containing gas extraction by roasting molybdenite
Rhenium element.But molybdenite particle shape at ebullated bed in fine grained fuel be easy by rhenium-containing flue gas to take fluidized bed furnace out of, influence rhenium-containing
The purity of flue gas is unfavorable for subsequent extraction.
Notification number is a kind of boiling for extracting rhenium for oxidizing roasting disclosed in the utility model patent of 205133692 U of CN
Furnace apparatus, including furnace body, cloth wind system and dust pelletizing system are risen, is burnt in hybrid reaction area and second reaction zone by molybdenite,
Rhenium-containing flue gas is generated, rhenium-containing flue gas is then imported into dust pelletizing system, reduces roasting Dust Capacity, rhenium-containing flue gas purity higher.
But the boiling furnace device for oxidizing roasting extraction rhenium disclosed in the utility model, by uncombusted molybdenite grain
It is removed as impurity, leads to the heat loss of uncombusted part, wherein still containing the rhenium element for not entering flue gas, i.e., still had not
The latent heat and undrawn rhenium element utilized.
Invention content
The technical problems to be solved in the utility model is：It is high to overcome the deficiencies of the prior art and provide a kind of latent heat utilization rate,
And to the sufficient fluidized bed furnace of the extraction of rhenium element.
Technical solution adopted by the utility model to solve its technical problems is：It provides a kind of for generating rhenium-containing flue gas
Fluidized bed furnace, including furnace body and air distribution plate, the air distribution plate are evenly equipped with air holes, and air distribution plate is horizontally fixed in furnace body, bottom of furnace body
The side wall of opening, open communication to wind turbine, the furnace body above air distribution plate is equipped with feed inlet, discharge port and smoke outlet, the smoke evacuation
Mouth front end is sticked and has flammable porous adsorption layer.
The porous adsorption layer is timber or spongy layer.
Further, it is equipped with pipe laying in the flammable porous adsorption layer.
The air inlet area is back taper, and the center concentric locking collar of air inlet area's bottom opening is equipped with the wind-guiding of several back tapers
Cylinder.
Further, the upper and lower opening area for being set in external ventilating duct is twice of internal adjacent ventilating duct.
Further, the air holes upper cover is equipped with guard.
The guard upper surface is arc surface.
The material of the guard is fire proofing material, such as flame retardant rubber.
The beneficial effects of the utility model：
Fluidized bed furnace provided by the utility model for generating rhenium-containing flue gas retains rhenium-containing by flammable porous adsorption layer
Uncombusted little particle mineral in flue gas, and flammable porous adsorption layer is ignited, subsequent uncombusted little particle mineral warp
It is further roasted when crossing the flammable porous adsorption layer lighted, generates rhenium-containing flue gas, it is high to the latent heat utilization rate of mineral, to rhenium member
The extraction of element is more abundant.
Description of the drawings
The schematic diagram for the fluidized bed furnace for generating rhenium-containing flue gas that Fig. 1-embodiment 1 provides；
Enlarged diagram in Fig. 2-Fig. 1 at A；
The schematic diagram of air distribution plate in Fig. 3-embodiment 1；
The schematic diagram for the fluidized bed furnace for generating rhenium-containing flue gas that Fig. 4-embodiment 1 provides.
Reference sign
1 furnace body, 2 air distribution plates, 2.1 air holes, 2.2 guards, 3 wind turbines, 4 feed inlets, 5 discharge ports, 6 smoke outlets, 7 porous absorption
Layer, 8 pipe layings.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Embodiment 1
Referring to Fig.1 ~ 3, the fluidized bed furnace for generating rhenium-containing flue gas that the embodiments of the present invention 1 provide, including furnace body 1
With air distribution plate 2, the air distribution plate 2 is evenly equipped with air holes 2.1, and air distribution plate 2 is horizontally fixed in furnace body 1, and 1 bottom opening of furnace body is opened
Mouth is connected to wind turbine 3, and the side wall of the furnace body 1 of 2 top of air distribution plate is equipped with feed inlet 4, discharge port 5 and smoke outlet 6, the smoke outlet
6 front ends, which are sticked, flammable porous adsorption layer 7.
The combustibility porous adsorption layer 7 is spongy layer.
2.1 upper cover of the air holes is equipped with guard 2.2.
2.2 upper surface of the guard is arc surface.
The material of the guard 2.2 is flame retardant rubber.
The operation principle and using method of the present embodiment：
Mineral after crushing（Molybdenite）It blows through wind turbine 3, is lifted up in the furnace body 1 above air distribution plate 2, and with boiling
The form of bed is burnt, and the fine grained mineral in ebullated bed are with air-flow（Including rhenium-containing flue gas）Rise, air-flow is discharged through smoke outlet 6.
Uncombusted fine grained mineral are adsorbed through flammable porous adsorption layer 7 and are retained, and will not be discharged from smoke outlet 6 with air-flow.When not
When the fine grained mineral of after-flame reach flammable porous adsorption layer 7 with fluidized state, flammable porous adsorption layer 7 can be lighted,
Then uncombusted fine grained mineral can further burn in flammable porous adsorption layer 7, and burning is more abundant, improve burning effect
Rate and the yield for increasing rhenium-containing flue gas.In the present embodiment, flammable porous adsorption layer 7 is spongy layer, can also by timber or
Other combustible materials are made.
Guard 2.2 can prevent macro particles fuel from blocking air holes 2.1, while air-flow can pass through guard 2.2.
2.2 upper surface of the guard is arc surface, and windage when on the one hand can reduce air-flow by guard 2.2 is another
Aspect, macro particles fuel can fall along arc surface, will not further overstock on guard 2.2 and block guard 2.2.
The material of the guard 2.2 is fire proofing material, prevents from falling when solid fuel ignition in guard 2.2 and by guard 2.2
It burns, in the present embodiment, the fire proofing material used is flame retardant rubber.
Embodiment 2
With reference to Fig. 4, the fluidized bed furnace for generating rhenium-containing flue gas that the embodiments of the present invention 2 provide is in embodiment 1
On the basis of further comprise following characteristics：
It is equipped with pipe laying 8 in the combustibility porous adsorption layer 7.
The operation principle and using method of the present embodiment：
In embodiment 1, uncombusted fine grained mineral light flammable porous adsorption layer 7 and release heat, thermally conductive to burying
Pipe 8, for heating the fluid in pipe laying 8, heat-transfer effect is good.The present embodiment is further by the burning of flammable porous adsorption layer 7
Heat is used, and promotes heat utilization rate.
Claims (7)
1. a kind of fluidized bed furnace for generating rhenium-containing flue gas, including furnace body and air distribution plate, the air distribution plate are evenly equipped with air holes, cloth wind
Plate level is fixed in furnace body, bottom of furnace body opening, open communication to wind turbine, and the side wall of the furnace body above air distribution plate is equipped with charging
Mouth, discharge port and smoke outlet, which is characterized in that the smoke outlet front end is sticked and has flammable porous adsorption layer.
2. the fluidized bed furnace for generating rhenium-containing flue gas as described in claim 1, which is characterized in that the combustibility porous adsorption layer
For timber or spongy layer.
3. the fluidized bed furnace for generating rhenium-containing flue gas as claimed in claim 2, which is characterized in that the combustibility porous adsorption layer
It is interior to be equipped with pipe laying.
4. the fluidized bed furnace as described in claim 1 ~ 3 any one for generating rhenium-containing flue gas, which is characterized in that in the air holes
It is covered with guard.
5. the fluidized bed furnace for generating rhenium-containing flue gas as claimed in claim 4, which is characterized in that the guard upper surface is circular arc
Face.
6. the fluidized bed furnace for generating rhenium-containing flue gas as claimed in claim 5, which is characterized in that the material of the guard is fire prevention
Material.
7. the fluidized bed furnace for generating rhenium-containing flue gas as claimed in claim 6, which is characterized in that the fire proofing material is fire-retardant rubber
Glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820091844.5U CN207936756U (en) | 2018-01-19 | 2018-01-19 | A kind of fluidized bed furnace for generating rhenium-containing flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820091844.5U CN207936756U (en) | 2018-01-19 | 2018-01-19 | A kind of fluidized bed furnace for generating rhenium-containing flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207936756U true CN207936756U (en) | 2018-10-02 |
Family
ID=63649764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820091844.5U Active CN207936756U (en) | 2018-01-19 | 2018-01-19 | A kind of fluidized bed furnace for generating rhenium-containing flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207936756U (en) |
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2018
- 2018-01-19 CN CN201820091844.5U patent/CN207936756U/en active Active
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