CN205893306U - Blast furnace feed divider - Google Patents
Blast furnace feed divider Download PDFInfo
- Publication number
- CN205893306U CN205893306U CN201620848062.2U CN201620848062U CN205893306U CN 205893306 U CN205893306 U CN 205893306U CN 201620848062 U CN201620848062 U CN 201620848062U CN 205893306 U CN205893306 U CN 205893306U
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- blast furnace
- feeding
- passage
- sub
- distribution device
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- Furnace Charging Or Discharging (AREA)
- Blast Furnaces (AREA)
Abstract
The utility model discloses a blast furnace feed divider, feed divider is located blast furnace feed inlet upper portion, blast furnace feed divider includes feedstock channel, an at least material distributing channel, the vertical setting of feedstock channel, material distributing channel with have between the feedstock channel and be not less than 20 contained angle, the last sieve that is provided with of material distributing channel, the sieve lower part is provided with the baffle, material distributing channel's exit is provided with the tumbler switch door, blast furnace feed divider can guarantee homogeneity, the flexibility of cloth, arouses that pressure and temperature in the furnace change by a wide margin after avoiding the material to add simultaneously, maintains conditional stability in the furnace, and the powder of material production is fallen to smash in the screening, avoids the blast wandering to and the waste of material.
Description
Technical field
This utility model is related to blast furnace ironmaking equipment technical field and in particular to a kind of blast furnace feeding-distribution device.
Background technology
Blast furnace ironmaking is the important step during iron and steel produces, and loads iron ore, coke, slag making use from furnace roof during blast fumance
Flux (limestone), from positioned at lower furnace along stove week air port be blown into preheated air, the coke (blast furnace having at high temperature
Also the auxiliary fuel such as coal injection, heavy oil, natural gas) in carbon with blast in the air oxygen burning generate carbon monoxide,
The oxygen in iron ore is removed, thus reduction obtains ferrum in uphill process in stove.
Wherein, load iron-smelting raw material in furnace roof and use what feeding system completed, cloth is carried out using distributing device, but
Distributing device complex structure, expensive, be difficult to keep in repair, directly reduce the production efficiency of blast furnace；Another feeding system is
Using tripper, the material after pulverizing is directly entered in burner hearth by tripper, and its flue dust is larger, and blanking is uneven, leads to thing
Material is heated uneven, and burning is insufficient, and work efficiency is low, the pressure and temperature that can affect in burner hearth during the pouring into of material
Stability, the quality of production is unstable.
Utility model content
In view of this, the application provides a kind of blast furnace feeding-distribution device it is ensured that the uniformity of cloth, motility, keeps away simultaneously
Exempt to cause the pressure and temperature in burner hearth to be widely varied after material adds, maintain conditional stability in burner hearth, screening dry linting is broken
The powder that material produces, it is to avoid blast wandering, and the waste of material.
For solving above technical problem, the technical scheme that this utility model provides is a kind of blast furnace feeding-distribution device, described point
Material device is located at described charging of shaft furnace mouth top, and described blast furnace feeding-distribution device includes feeding-passage, at least one sub-material passage, institute
State feeding-passage to be vertically arranged, there is between described sub-material passage and described feeding-passage the angle not less than 20 °, described sub-material
It is provided with sieve plate, described sieve plate bottom is provided with baffle plate, the exit of described sub-material passage is provided with upset switch gate on passage.
Further, described sub-material passage is provided with 2, and 2 described sub-material passages are in herringbone with described feeding-passage
Connect.
Further, the junction of 2 described sub-material passages and described feeding-passage is provided with roll-over valve.
Further, described roll-over valve is connected with driving means, by upset shunting material.
Further, described sieve plate is arranged on the side wall of the inner side of described sub-material passage, parallel with described side wall.
Further, described baffle plate is located on the outer wall of described sub-material passage, and described baffle plate with the angle of described sieve plate is
60°-100°.
Further, the sieve aperture of described sieve plate is any one in circular, square, rhombus.
Further, the fixing end of described upset switch gate is located on the side wall outside the exit of described sub-material passage,
Described upset switch gate is to be horizontally disposed with.
Further, the fixing end of described upset switch gate is located on the side wall inside the exit of described sub-material passage,
Described upset switch gate is to be vertically arranged, and the side wall outside the exit of described sub-material passage is additionally provided with swash plate, described oblique
The end of plate and the described free end in contact overturning switch gate.
Compared with prior art, its detailed description is as follows: technical scheme provides a kind of blast furnace sub-material for the application
Device, described feeding-distribution device be located at described charging of shaft furnace mouth top, described blast furnace feeding-distribution device include feeding-passage, at least one
Sub-material passage, described feeding-passage is vertically arranged, and has the folder not less than 20 ° between described sub-material passage and described feeding-passage
Angle, described sub-material passage is provided with sieve plate, and described sieve plate bottom is provided with baffle plate, and the exit of described sub-material passage is provided with
Upset switch gate.
In described feeding-distribution device, sieve plate is provided with sub-material passage, the material after pulverizing enters through feeding-passage and divides
Material passage, when material is through sub-material passage, is separated less than the powder of sieve plate screen-aperture, introduces feeding-distribution device through baffle plate
The other equipment of bottom, and the charging that qualified large granular materials enter feed bin or enter blast furnace from the exit of sub-material passage
Mouthful.In addition the exit of sub-material passage is additionally provided with upset switch gate, when material passes through the exit of sub-material passage, by itself
Upset switch gate is washed open and is fallen by weight, and after material has fallen, upset switch gate returns closing, and burner hearth is divided with extraneous air
Every the stability of the pressure and temperature in holding burner hearth.Additionally, being also provided with 2 sub-material passages in technical scheme, can
To ensure the uniformity of material drop-off positions, it is additionally provided with roll-over valve 2 sub-material passage junctions, controllable material is from arbitrary
In bar sub-material passage enter it is ensured that material enter motility.Therefore, technical scheme can ensure the uniform of cloth
Property, motility, avoid simultaneously material add after cause the pressure and temperature in burner hearth to be widely varied, maintain burner hearth in conditional equilibrium constant
Qualitative, the powder that screening dry linting broken material produces, it is to avoid blast wandering, and the waste of material.
Brief description
Fig. 1 is the structure chart of blast furnace feeding-distribution device described in embodiment 1；
Fig. 2 is the structure chart of blast furnace feeding-distribution device described in embodiment 2.
Specific embodiment
In order that those skilled in the art more fully understands the technical solution of the utility model, with reference to being embodied as
The utility model is described in further detail for example it is clear that described embodiment is only this utility model part reality
Apply example, rather than whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making
The every other embodiment being obtained under the premise of creative work, broadly falls into the scope of this utility model protection.
Embodiment 1
A kind of blast furnace feeding-distribution device as shown in Figure 1, described feeding-distribution device is located at described charging of shaft furnace mouth 7 top, described
Blast furnace feeding-distribution device includes 1,2 sub-material passages 2 of feeding-passage, and described feeding-passage 1 is vertically arranged, 2 described sub-material passages 2
It is connected in herringbone with described feeding-passage 1, there is between described sub-material passage 2 and described feeding-passage 1 folder not less than 20 °
Angle, the junction of 2 described sub-material passages 2 and described feeding-passage 1 is provided with roll-over valve 3, described roll-over valve 3 and driving means
Connect, by upset shunting material, described sub-material passage 2 is provided with sieve plate 4, described sieve plate 4 is arranged at described sub-material passage 2
The side wall of inner side on, parallel with described side wall, the sieve aperture of sieve plate 4 is square, and described sieve plate 4 bottom is provided with baffle plate 5, described
Baffle plate 5 is located on the outer wall of described sub-material passage 2, and described baffle plate 5 is 80 ° with the angle of described sieve plate 4, described sub-material passage 2
Exit be provided with upset switch gate 6, described upset switch gate 6 fixing end be located at described sub-material passage 2 exit outside
On the side wall of side, described upset switch gate 6 is to be horizontally disposed with.
Embodiment 2
A kind of blast furnace feeding-distribution device as shown in Figure 1, described feeding-distribution device is located at described charging of shaft furnace mouth 15 top, described
Blast furnace feeding-distribution device includes 8,2 sub-material passages 9 of feeding-passage, and described feeding-passage 8 is vertically arranged, 2 described sub-material passages 9
It is connected in herringbone with described feeding-passage 8, there is between described sub-material passage 9 and described feeding-passage 8 folder not less than 20 °
Angle, the junction of 2 described sub-material passages 9 and described feeding-passage 8 is provided with roll-over valve 10, and described roll-over valve 10 fills with driving
Put connection, by upset shunting material, described sub-material passage 9 is provided with sieve plate 11, described sieve plate 11 is arranged at described sub-material
On the side wall of the inner side of passage 9, parallel with described side wall, the sieve aperture of sieve plate 11 is rhombus, and described sieve plate 11 bottom is provided with gear
Plate 12, described baffle plate 12 is located on the outer wall of described sub-material passage 9, and described baffle plate 12 is 90 ° with the angle of described sieve plate 11, institute
The exit stating sub-material passage 9 is provided with upset switch gate 13, and the fixing end of described upset switch gate 13 is located at described sub-material and leads to
On side wall inside the exit in road 9, described upset switch gate 13 is to be vertically arranged, outside the exit of described sub-material passage 9
Side wall on be additionally provided with swash plate 14, the free end in contact of the end of described swash plate 14 and described upset switch gate 13.
Above-mentioned blast furnace feeding-distribution device all can ensure uniformity, the motility of cloth, avoid material to cause after adding simultaneously
Pressure and temperature in burner hearth is widely varied, and maintains conditional stability in burner hearth, the powder that screening dry linting broken material produces, keeps away
Exempt from blast wandering, and the waste of material.
The above is only preferred implementation of the present utility model it is noted that above-mentioned preferred implementation should not regard
It is to restriction of the present utility model, protection domain of the present utility model should be defined by claim limited range.For
For those skilled in the art, without departing from spirit and scope of the present utility model, can also make some
Improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of blast furnace feeding-distribution device, described feeding-distribution device be located at described charging of shaft furnace mouth top it is characterised in that: described blast furnace
Feeding-distribution device includes feeding-passage, at least one sub-material passage, and described feeding-passage is vertically arranged, described sub-material passage with described
There is between feeding-passage the angle not less than 20 °, described sub-material passage is provided with sieve plate, described sieve plate bottom is provided with gear
Plate, the exit of described sub-material passage is provided with upset switch gate.
2. a kind of blast furnace feeding-distribution device according to claim 1 it is characterised in that: described sub-material passage is provided with 2,2
Described in bar, sub-material passage is connected in herringbone with described feeding-passage.
3. a kind of blast furnace feeding-distribution device according to claim 2 it is characterised in that: 2 described sub-material passages with described enter
The junction of material passage is provided with roll-over valve.
4. a kind of blast furnace feeding-distribution device according to claim 3 it is characterised in that: described roll-over valve and driving means are even
Connect, by upset shunting material.
5. a kind of blast furnace feeding-distribution device according to claim 1 it is characterised in that: described sieve plate be arranged at described sub-material lead to
On the side wall of the inner side in road, parallel with described side wall.
6. a kind of blast furnace feeding-distribution device according to claim 1 it is characterised in that: described baffle plate be located at described sub-material passage
Outer wall on, the angle of described baffle plate and described sieve plate is 60 ° -100 °.
7. a kind of blast furnace feeding-distribution device according to claim 1 it is characterised in that: the sieve aperture of described sieve plate is circular, side
Any one in shape, rhombus.
8. a kind of blast furnace feeding-distribution device according to claim 1 it is characterised in that: described upset switch gate fixing end position
On the side wall outside the exit of described sub-material passage, described upset switch gate is to be horizontally disposed with.
9. a kind of blast furnace feeding-distribution device according to claim 1 it is characterised in that: described upset switch gate fixing end position
On the side wall inside the exit of described sub-material passage, described upset switch gate is to be vertically arranged, the going out of described sub-material passage
Swash plate, the end of described swash plate and the described free end in contact overturning switch gate are additionally provided with the side wall in outside at mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620848062.2U CN205893306U (en) | 2016-08-08 | 2016-08-08 | Blast furnace feed divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620848062.2U CN205893306U (en) | 2016-08-08 | 2016-08-08 | Blast furnace feed divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205893306U true CN205893306U (en) | 2017-01-18 |
Family
ID=57783223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620848062.2U Active CN205893306U (en) | 2016-08-08 | 2016-08-08 | Blast furnace feed divider |
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| Country | Link |
|---|---|
| CN (1) | CN205893306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114600944A (en) * | 2022-04-19 | 2022-06-10 | 宁德市祺丰生物技术开发有限公司 | Thawing device and thawing method for aquatic product processing |
-
2016
- 2016-08-08 CN CN201620848062.2U patent/CN205893306U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114600944A (en) * | 2022-04-19 | 2022-06-10 | 宁德市祺丰生物技术开发有限公司 | Thawing device and thawing method for aquatic product processing |
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| GR01 | Patent grant |