CN207622543U - Fixed furnace charge preheater - Google Patents
Fixed furnace charge preheater Download PDFInfo
- Publication number
- CN207622543U CN207622543U CN201721583511.6U CN201721583511U CN207622543U CN 207622543 U CN207622543 U CN 207622543U CN 201721583511 U CN201721583511 U CN 201721583511U CN 207622543 U CN207622543 U CN 207622543U
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- CN
- China
- Prior art keywords
- cylinder
- preheating
- furnace charge
- chimney
- preheating cylinder
- 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.)
- Expired - Fee Related
Links
- 150000001875 compounds Chemical class 0.000 claims abstract description 18
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 30
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 238000003723 Smelting Methods 0.000 abstract description 8
- 238000007499 fusion processing Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Furnace Details (AREA)
Abstract
The utility model is related to a kind of fixed furnace charge preheaters, including chimney and chimney frame, the top vent end of chimney connects preheating device, preheating device includes preheating cylinder, it is equipped with the compound bottom plate being obliquely installed in preheating cylinder, the low level side that compound bottom plate is corresponded on the side wall of cylinder is preheated equipped with discharge port, discharge port is equipped with automatically controlled gate, the top for preheating cylinder is equipped with feed inlet, the bottom for preheating cylinder is equipped with the air inlet of connection chimney, and the air inlet is located at the both sides of compound bottom plate with feed inlet.Furnace charge is added to preheating cylinder by the utility model with feeder, play the role of heating furnace charge, the heating of furnace charge reduces the dosage of burning gases in fusion process, foundry enterprise cost is saved, improve smelting efficiency, achieve the purpose that tail gas recycle utilizes, the dosage of burning gases can be reduced, has saved cost, reduce waste, shorten smelting time, improve working efficiency.
Description
Technical field
The utility model is related to gasification iron fields, and in particular to a kind of fixed furnace charge preheater.
Background technology
Furnace charge refers to the ore and other catalysis materials that smelting furnace is added, for example, iron ore, steel billet, the pig iron, scrap iron and steel,
Coking coal, ferroalloy.Concentrate or ore, flux and flue dust etc. are configured to have certain chemical composition and physical by smelting requirements
The process of the furnace charge of matter, for the important component of modern pyrometallurgy flow.Furnace charge preparation generally comprises storage, dispensing, mixes
Conjunction, furnace charge drying, furnace charge granulation, furnace charge briquetting, calcining and roasting etc..
Furnace charge be added furnace body after also to be heated until by load melting at molten iron, in the case of no preheating, directly
Connecing can cause to generate a large amount of burning cost to furnace charge heating, while also add smelting time.If by the tail gas after burning
Use, be used for by charge preheating, will produce very useful effect, the temperature after burning about 500 DEG C to 800 DEG C it
Between, there is extraordinary heating effect for furnace charge, it is therefore desirable to a kind of device that can utilize tail gas preheating furnace charge.
Utility model content
The purpose of this utility model is to provide a kind of fixed furnace charge preheater, and realization is added using high-temperature tail gas for material
The fixed furnace charge preheater of heat.
The purpose of this utility model is to be achieved through the following technical solutions：
A kind of fixed furnace charge preheater includes the chimney frame of the chimney being connect with combustion chamber and fixed chimney, described
The top vent end of chimney connects preheating device, and the preheating device includes preheating cylinder, is equipped with and tilts in the preheating cylinder
The compound bottom plate being arranged correspond to the low level side of compound bottom plate equipped with discharge port, the discharge port on the side wall of the preheating cylinder
It is equipped with automatically controlled gate, the top of the preheating cylinder is equipped with feed inlet, and the bottom of the preheating cylinder is equipped with connection chimney
Air inlet, the air inlet are located at the both sides of compound bottom plate with feed inlet.
In preferred embodiments, the preheating cylinder includes the outer housing and inner housing of mutual sheathing setting, described
Insulating layer is equipped between outer housing and inner housing.
In preferred embodiments, the compound bottom plate is made of multiple veneers for being overlapped mutually and being obliquely installed, institute
It states and was equipped with air cleft gap between veneer.
In preferred embodiments, hot gas helical duct, the hot gas helical duct fitting are equipped at the air inlet
On the inner wall of preheating cylinder.
In preferred embodiments, the automatically controlled gate includes door body, hydraulic cylinder, door frame, and the door frame is fixedly connected
Cylinder is preheated, the cylinder body of the hydraulic cylinder connects door frame, and the telescopic end of the hydraulic cylinder connects door body, and the side of the door body is logical
Rotary body connection preheating cylinder.
The beneficial effects of the utility model are：
Furnace charge is added to preheating cylinder by the utility model with feeder, plays the role of heating furnace charge, the heating of furnace charge
The dosage for reducing burning gases in fusion process has saved foundry enterprise cost, has improved smelting efficiency, has reached tail gas and has returned
The purpose utilized is received, the dosage of burning gases can be reduced, cost is saved, reduce waste, shorten smelting time, improve
Working efficiency.
Description of the drawings
The utility model is described in further detail below according to attached drawing.
Fig. 1 is the overall structure figure of the fixed furnace charge preheater described in the utility model embodiment；
Fig. 2 is the internal structure chart that staving is preheated in Fig. 1；
Fig. 3 is the overlooking structure figure of Fig. 2.
In figure：
1, chimney；2, cylinder is preheated；3, veneer；4, overlapping region；5, air cleft gap is crossed；6, metal mesh；7, discharge port；8, electric
Control gate；9, door body；10, hydraulic cylinder；11, door frame；12, feed inlet；13, hot gas helical duct；14, outer housing；15, inner casing
Body；16, insulating layer.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without creative efforts belongs to the model of the utility model protection
It encloses.
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
The utility model is further described with specific embodiment below with reference to accompanying drawings.
As shown in Figs. 1-2, a kind of fixed furnace charge preheater of the utility model embodiment, including connect with combustion chamber
Chimney 1 and fixed chimney 1 chimney frame, the top vent end of the chimney 1 connects preheating device, and the top of chimney frame is equipped with
The preheating frame of fixed preheating device, preheating device receive material and high-temperature tail gas, and high-temperature tail gas is made to be preheated for material.
The preheating device includes preheating cylinder 2, and the compound bottom plate being obliquely installed, retrial are equipped in the preheating cylinder 2
The range of tilt angles of bottom plate is 30 ° -60 °, for the material in heat-preservation cylinder body to be guided to same direction, the compound bottom plate
It is made of multiple veneers 3 for being overlapped mutually and being obliquely installed, was equipped with air cleft gap 5 between the veneer 3, between adjacent veneer 3
Angle do not surpass one 10 °, overlapping region 4 is equipped between adjacent veneer 3 prevented material in veneer 3 for extending air cleft gap 5
It is flowed out from air cleft gap 5 excessively when upper mobile.It crosses and is equipped with metal mesh 6 in air cleft gap 5, material can be further prevented by crossing air cleft gap 5,
And for passing through for high-temperature tail gas.
As shown in figure 3, correspond to the low level side of compound bottom plate on the side wall of the preheating cylinder 2 equipped with discharge port 7, it is described go out
Material mouth 7 is equipped with automatically controlled gate 8, and the automatically controlled gate 8 includes door body 9, hydraulic cylinder 10, door frame 11, and the door frame 11, which is fixed, to be connected
Preheating cylinder 2 is connect, the cylinder body of the hydraulic cylinder 10 connects door frame 11, and the telescopic end of the hydraulic cylinder 10 connects door body 9, the door
The side of body 9 connects preheating cylinder 2 by rotary body.The preferably double swing doors of door body 9, i.e., symmetrically arranged two door body 9,
Door frame 11 and hydraulic cylinder 10 are symmetricly set on the outside of two door body 9, control the folding of two door body 9 respectively, discharging can be improved
The area of mouth 7.
The top of the preheating cylinder 2 is equipped with the feed inlet 12 being connect with feeding system, and the bottom of the preheating cylinder 2 is set
There are the air inlet of connection chimney 1, the air inlet to be located at the both sides of compound bottom plate with feed inlet 12, compound bottom plate can prevent
Material is fallen into chimney 1, causes to waste, while high-temperature tail gas can also be made to enter material, is heated for material.
The preheating cylinder 2 includes the outer housing 14 and inner housing 15, the outer housing 14 and inner casing of mutual sheathing setting
Insulating layer 16 is equipped between body 15, insulating layer 16 is preferably heat-preservation cotton, plays heat insulating effect.
Hot gas helical duct 13 is equipped at the air inlet, the hot gas helical duct 13 is fitted in the interior of preheating cylinder 2
On wall, hot gas helical duct 13 increases high-temperature tail gas and inner housing for guiding high-temperature tail gas around preheating 2 inner wall of cylinder movement
Contact area between 15 and time of contact improve the heat exchange efficiency between high-temperature tail gas and inner housing 15, due to inner housing 15
It is equipped with insulating layer 16 between outer housing 14, the loss of heat can be prevented, therefore the heat of inner housing 15 upwards, can be passed inwardly
It leads, improves the efficiency of preheating material.
In use, discharge port 7 is normally off, furnace charge is added feeding system from the top of preheating cylinder 2, and furnace charge enters
It is deposited on compound bottom plate after preheating cylinder 2, high-temperature tail gas is entered by chimney 1 from the bottom of preheating cylinder 2, and hot gas spiral shell is passed through
It revolves channel 13 to transmit, the inner wall of high-temperature tail gas and preheating cylinder 2 exchanges heat, heating cylinder inner wall, waits for that hot gas helical duct 13 is discharged
Afterwards by crossing air cleft gap 5 on compound bottom plate, mixed with material.The entrance of tail gas heated preheating 2 inner wall of cylinder and furnace charge, rise
The effect of heating furnace charge is arrived, the heating of furnace charge reduces the dosage of burning gases in fusion process, and burning gases dosage subtracts
Foundry enterprise cost has been saved less, smelting efficiency has been improved, has achieved the purpose that tail gas recycle utilizes.
Finally it should be noted that：Above-described each embodiment is merely to illustrate the technical solution of the utility model, rather than
It is limited；Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art
It should be understood that：It can still modify to the technical solution recorded in previous embodiment, or to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or substitutions, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.
Claims (5)
1. a kind of fixed furnace charge preheater includes the chimney frame of the chimney being connect with combustion chamber and fixed chimney, feature
It is：The top vent end of the chimney connects preheating device, and the preheating device includes preheating cylinder, in the preheating cylinder
Equipped with the compound bottom plate being obliquely installed, the low level side that compound bottom plate is corresponded on the side wall of the preheating cylinder is equipped with discharge port, institute
It states discharge port and is equipped with automatically controlled gate, the top of the preheating cylinder is equipped with feed inlet, and the bottom of the preheating cylinder, which is equipped with, to be connected
The air inlet of cigarette receiving chimney, the air inlet are located at the both sides of compound bottom plate with feed inlet.
2. fixed furnace charge preheater according to claim 1, it is characterised in that：The preheating cylinder includes mutually covering
The outer housing and inner housing set are installed, insulating layer is equipped between the outer housing and inner housing.
3. fixed furnace charge preheater according to claim 1, it is characterised in that：The compound bottom plate is by multiple mutual
It is superimposed and the veneer being obliquely installed forms, air cleft gap was equipped between the veneer.
4. fixed furnace charge preheater according to claim 1, it is characterised in that：Hot gas spiral shell is equipped at the air inlet
Channel is revolved, the hot gas helical duct is fitted on the inner wall of preheating cylinder.
5. fixed furnace charge preheater according to claim 1, it is characterised in that：The automatically controlled gate include door body,
Hydraulic cylinder, door frame, the door frame are fixedly connected with preheating cylinder, and the cylinder body of the hydraulic cylinder connects door frame, and the hydraulic cylinder is stretched
Contracting end connects door body, and the side of the door body connects preheating cylinder by rotary body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721583511.6U CN207622543U (en) | 2017-11-23 | 2017-11-23 | Fixed furnace charge preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721583511.6U CN207622543U (en) | 2017-11-23 | 2017-11-23 | Fixed furnace charge preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207622543U true CN207622543U (en) | 2018-07-17 |
Family
ID=62823450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721583511.6U Expired - Fee Related CN207622543U (en) | 2017-11-23 | 2017-11-23 | Fixed furnace charge preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207622543U (en) |
-
2017
- 2017-11-23 CN CN201721583511.6U patent/CN207622543U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 |