CN202752608U - Once-powder unpowered mixed material blending feed bin used for powder metallurgy reduced iron powder production - Google Patents
Once-powder unpowered mixed material blending feed bin used for powder metallurgy reduced iron powder production Download PDFInfo
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- CN202752608U CN202752608U CN 201220384201 CN201220384201U CN202752608U CN 202752608 U CN202752608 U CN 202752608U CN 201220384201 CN201220384201 CN 201220384201 CN 201220384201 U CN201220384201 U CN 201220384201U CN 202752608 U CN202752608 U CN 202752608U
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- storehouse
- powder
- bin
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Abstract
The utility model discloses a once-powder unpowered mixed material blending feed bin used for powder metallurgy reduced iron powder production. The once-powder unpowered mixed material blending feed bin comprises an inner bin and an outer bin, wherein a plurality of discharge holes are arranged on the inner bin, a hollow cavity is installed between the inner bin and the outer bin, and the inner bin and the outer bin are connected through a support. The lower portion of the outer bin is supported through a supporting leg. The lower portion of the inner bin protrudes upwards, and forms a mixed material blending temporary storage chamber with the lower portion of the outer bin. The tapered tail end of the outer bin is provided with a discharge port which is provided with a discharge valve. The upper ends of the inner bin and the outer bin are provided with feed bin covers. The feed bin is simple in structure, capable of completely using powder physical performance, energy-saving, environmental friendly, capable of improving working environment, stable in powder batch quality, and capable of reducing echelon fluctuation of powder component indicators.
Description
Technical field
[0001] the utility model relates to a kind of batch mixing and closes batch device, and especially a kind of reduced iron powder production is closed the batch of material storehouse with the unpowered batch mixing of powder.
Background technology
[0002] present, the production of powder metallurgy reduced iron powder, usually adopt and raw material, reducing agent packed into tank body is laggard to be entered tunnel cave and once reduce and generate the intermediate products sponge iron, according to the reduced iron powder variety classes that will produce, the powder that sponge iron is broken into corresponding granularity enters reduction furnace and carries out secondary reduction, with abundant decarburization, deoxidation, desulfurization, improve iron content, eliminate work hardening and improve its plasticity, improve compression performance, carry out fragmentation, screening, magnetic separation behind the secondary reduction, close to criticize to pack afterwards and dispatch from the factory.
In the actual production running, following situation very easily appears in sponge iron production and broken owing to be subjected to the factor affecting such as raw material, the variation of supplied materials composition, equipment operation condition, technique adjustment, state of the art variation:
(1) quality fluctuation that advances factory's raw material causes the unstability of the sponge iron quality of producing, and then the opaque amount that impact is processed is unstable.
(2) the tunnel cave production technology is made adjustment or temperature, pressure when changed by the medium influence of fluctuations such as coal gas, the sponge iron quality fluctuation that produces, and then the opaque amount that impact is processed is unstable.
When (3) the sponge iron disintegrating apparatus breaks down, an opaque amount inconsistency of processing before and after the fault.
At present in order to guarantee the steady quality of sponge iron, some enterprises adopt fixedly the places of origin of raw materials and selected finish rolling seethe with excitement mild steel iron scale or wire drawing iron scale, advance to install additional before the reduction furnace power and close batch facility, install the measure such as bailout gas additional and realize, weak point is: the one, and fixedly the places of origin of raw materials can ensure the uniformity of material quality, but may cause output, price restricted by raw material manufacturing enterprise, be prone to starving, enterprise can not full production or price improve the situation that enterprise's production cost raises; The 2nd, advance to install additional before the reduction furnace power and close batch facility, install the measure such as bailout gas additional, the production cost that must cause increases.At present, there is not yet the unpowered report that closes the batch of material storehouse of a powder for reduced iron powder production.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provide a kind of reduced iron powder production to close the batch of material storehouse with the unpowered batch mixing of powder, this feed bin be arranged at the sponge iron crushing system terminal and take full advantage of 40 orders (420um), 80 orders (178um), 100 orders (150um) particle that reduced iron powder produces thin, than characteristics great, good fluidity, the different aperture of diameter that interior storehouse that a powder of different batches quality flows out this utility model is arranged, by the cavity between the inside and outside storehouse of this utility model, the temporary room in the bottom carries out batch mixing and closes batch.This utility model is simple in structure, take full advantage of the powder physical property, energy-conserving and environment-protective, improve operating environment, stabilizing powder batch quality, the fluctuation of minimizing powder component target echelon, it takes full advantage of the good mobile and larger proportion of powder, install unpowered batch mixing additional at sponge iron crushing system end and close the batch of material storehouse, reduced powder is carried out batch mixing close batch, realized that a meal component of each batch production is stable, improved echelon constant product quality and technical indicator uniformity.
For achieving the above object, the utility model adopts following technical proposals:
A kind of reduced iron powder production is closed the batch of material storehouse with the unpowered batch mixing of powder, comprise Nei Cang and Wai Cang, described interior storehouse is provided with the different discharge opening of some diameters, be partitioned into the discharging cavity between Nei Cang and the outer storehouse, be connected by bracing frame between Nei Cang and the outer storehouse, Wai Cang supports by supporting leg the bottom, described Nei Cang bottom raises up, close batch temporary room with the bottom formation batch mixing in outer storehouse, the end of described outer storehouse taper is provided with discharging opening, and the discharging opening place is provided with bleeder valve; The upper end in described Nei Cang and outer storehouse is provided with the feed bin lid.
Discharge opening on the described interior storehouse from bottom to top diameter progressively increases, and boring direction is from inside to outside oblique below and distributes.
Bottom, described interior storehouse raises up and is 60 ° of angles and is cambered surface with interior storehouse facade and is connected, and is the outside radial boring in the center of circle by protruding summit on it.
It is outside that described outer storehouse is sleeved on interior storehouse by more piece.
Described feed bin lid is the semicircle bascule of double-open type, the semicircle cover plate of two-layer hollow structure about two fans about it comprises, wherein one fan built-in movable flashboard in the semicircle cover plate, another is fanned and is provided with the groove that matches with movable flashboard in the semicircle cover plate, about semicircle cover plate one end up and down alternative ring be around on the set bolt that is arranged on the outer storehouse; About the bottom, outer of semicircle cover plate be provided with the shirt rim.
The utility model is made of Nei Cang, Wai Cang, bracing frame, supporting leg, Cang Gai, bleeder valve.Interior storehouse material selection Q235B, δ=6mm steel plate, its cylinder section interval 300mm evenly holes, the aperture progressively increases from Φ 12mm～Φ 15mm from bottom to top, to satisfy the material powder in the even blanking of differing heights, its bottom upwards is 60 ° of angle projections and evenly bores Φ 12mm hole with facade, and the bottom of projection is the R=100mm cambered surface with facade and is connected, also bore Φ 12mm hole on it, to guarantee sufficient intensity and to stop the material stock phenomenon; Outer storehouse material selection Q235B, δ=8mm steel plate, cylindrical tube shape and Nei Cang are consistent and are separated by 120～200mm, the cone segments interval dwindle with cylindrical shell and appropriateness dwindle, its discharge valve should be beneficial to when selecting that mixed powder flows out fast, avoid expecting powder temporary room pile up and in hindering the storehouse treat the outflow of batch mixing powder.
It is the semicircle bascule of double-open type that the terminal unpowered batch mixing of powder of sponge iron crushing system closes batch of material Cang Canggai, the semicircle feed bin of double-open type covers end boring and is fixed in the Wai Cang top with bolt, open its movable end when reinforced, close after feeding in raw material, overflow to prevent dust.
76 ° of angle pyramidal structures are made in bottom, outer storehouse, select Φ 22mm round steel with the bracing frame in interior storehouse, with the secure support that guarantees interior storehouse and with Wai Cang interval 120～200mm; Discharging opening valve height 1000mm is to guarantee the installation of belt conveyor.
The beneficial effects of the utility model are: sponge iron crushing system end closes the batch of material storehouse by installing unpowered batch mixing additional, the reduced powder that the post operation personnel will store classifiedly adds in proportion unpowered batch mixing and closes the batch of material storehouse, makes the material meal component stablize, improve the stability of echelon product quality and the uniformity of technical indicator.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is that the interior storehouse A of the utility model is to schematic diagram;
Fig. 3 (a) is reduction furnace feed bin lid front view;
Fig. 3 (b) is that reduction furnace feed bin lid is overlooked closure state figure;
Fig. 3 (c) is that reduction furnace feed bin lid is overlooked open mode figure;
Storehouse in the 1-wherein, the outer storehouse of 2-, 3-bracing frame, 4-discharge opening, 5-batch mixing close batch temporary room, the 6-bleeder valve, the 7-supporting leg, 8-Cang Gai, the movable flashboard of 9-, the 10-set bolt, 11-Cang Gai shirt rim 12-operates handgrip.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Shown in Fig. 1, Fig. 2, Fig. 3 (a)-Fig. 3 (c), this unpowered batch mixing closes batch device, closes batch temporary room 5 bleeder valves 6, feed bin supporting leg 7, storehouse lid 8 by interior storehouse 1, outer storehouse 2, bracing frame 3, discharge opening 4, batch mixing and consists of.Q235B is selected in described interior storehouse 1, and δ=6mm steel plate cleans with water to adapt to powder, and cylinder section, bottom protrusion section are drilled with respectively discharge opening 4, is beneficial to 40 orders, 80 orders, 100 orders and flows out with the material loading powder.Cylinder section discharge opening 4 aperture Φ 12～15mm also progressively increase from bottom to top, bore to being from inside to outside oblique below to distribute longitudinal separation 300mm, lateral separation cylinder section 300mm, the bottom protrusion section is the outside radial distribution in the center of circle by protruding summit, and interval 300mm bores to vertically downward.
Outer storehouse 2 material selection Q235B, δ=8mm steel plate, guaranteeing the reliable rigidity of feed bin, cylindrical section shape and interior storehouse 1 cylindrical section are consistent and with the bracing frame 3 120～200mm of being separated by, be beneficial to after mixed powder flows out mixing, flow; Described bracing frame 3 material selection Φ 22 round steel, cylinder section interval 700mm, with the secure support that guarantees interior storehouse and with Wai Cang interval 120～200mm.
1 bottom, interior storehouse raises up and is 60 ° of angles with facade, and the bottom of projection is the R=100mm cambered surface with facade and is connected, and also bores Φ 12mm hole on it, to guarantee sufficient intensity and to stop the material stock phenomenon
76 ° of angle pyramidal structures are made in 2 bottoms, outer storehouse, and the discharging opening place is provided with bleeder valve, and its discharge valve should be beneficial to when selecting that mixed powder flows out fast, avoid expecting powder temporary room pile up and in hindering the storehouse treat the outflow of batch mixing powder.
Storehouse lid 8 is the semicircle bascule of double-open type, material selection δ=2mm steel plate, two-layer, hollow up and down, the built-in movable flashboard of one fan, one fan arranges groove structure, with the storehouse lid weight that takes in sail, and guarantees that two fan effective closure of Cang Gai, movable cabin lid outer is provided with shirt rim 11 structures, overflows with the dust of stopping after the lid closure of storehouse.Two fan movable cabin lid motions take set bolt 10 as axle, alternative ring is around on the bolt in order to be up and down with the set bolt contact portion.
During work, operating personnel close the operation handgrip 12 that bleeder valve 6 rear pulling storehouses cover, open simultaneously two fan movable cabin lids and add the powder operation, shut Cang Gai and promotion activity flashboard 9 after complete and enter another fan storehouse lid groove, start the below belt conveyor, open bleeder valve 6 beginning batch mixings and close batch job.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of the present utility model is described; but be not the restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (5)
1. a reduced iron powder production is closed the batch of material storehouse with the unpowered batch mixing of powder, it is characterized in that, comprise Nei Cang and Wai Cang, described interior storehouse is provided with some discharge openings, between Nei Cang and the outer storehouse cavity is arranged, be connected by bracing frame between Nei Cang and the outer storehouse, Wai Cang supports by supporting leg the bottom, and described Nei Cang bottom raises up, and consists of batch mixing with the bottom in outer storehouse and closes batch temporary room, the end of described outer storehouse taper is provided with discharging opening, and the discharging opening place is provided with bleeder valve; The upper end in described Nei Cang and outer storehouse is provided with the feed bin lid.
2. reduced iron powder production as claimed in claim 1 is closed the batch of material storehouse with unpowered batch mixing, it is characterized in that, bottom, described interior storehouse raises up and is 60 ° of angles and is cambered surface with interior storehouse facade and is connected, and is the outside radial boring in the center of circle by protruding summit on it.
3. reduced iron powder production as claimed in claim 2 is closed the batch of material storehouse with unpowered batch mixing, it is characterized in that, the discharge opening on the described interior storehouse from bottom to top diameter progressively increases, and boring direction is from inside to outside oblique below and distributes.
4. reduced iron powder production as claimed in claim 1 is closed the batch of material storehouse with unpowered batch mixing, it is characterized in that, it is outside that described outer storehouse is sleeved on interior storehouse by more piece.
5. reduced iron powder production as claimed in claim 1 is closed the batch of material storehouse with unpowered batch mixing, it is characterized in that, described feed bin lid is the semicircle bascule of double-open type, the semicircle cover plate of two-layer hollow structure about in the of two about it comprises, wherein one fan built-in movable flashboard in the semicircle cover plate, another is fanned and is provided with the groove that matches with movable flashboard in the semicircle cover plate, about semicircle cover plate one end up and down alternative ring be around on the set bolt that is arranged on the outer storehouse; About the bottom, outer of semicircle cover plate be provided with the shirt rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220384201 CN202752608U (en) | 2012-08-03 | 2012-08-03 | Once-powder unpowered mixed material blending feed bin used for powder metallurgy reduced iron powder production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220384201 CN202752608U (en) | 2012-08-03 | 2012-08-03 | Once-powder unpowered mixed material blending feed bin used for powder metallurgy reduced iron powder production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202752608U true CN202752608U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220384201 Expired - Fee Related CN202752608U (en) | 2012-08-03 | 2012-08-03 | Once-powder unpowered mixed material blending feed bin used for powder metallurgy reduced iron powder production |
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| CN (1) | CN202752608U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550907A (en) * | 2014-12-25 | 2015-04-29 | 苏州米莫金属科技有限公司 | Opposite-cone metallurgical powder mixing and scattering device |
| CN106904380A (en) * | 2015-12-23 | 2017-06-30 | 沈阳铝镁设计研究院有限公司 | A kind of double-layer fluidized gravity mixing bunker |
-
2012
- 2012-08-03 CN CN 201220384201 patent/CN202752608U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550907A (en) * | 2014-12-25 | 2015-04-29 | 苏州米莫金属科技有限公司 | Opposite-cone metallurgical powder mixing and scattering device |
| CN106904380A (en) * | 2015-12-23 | 2017-06-30 | 沈阳铝镁设计研究院有限公司 | A kind of double-layer fluidized gravity mixing bunker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20150803 |
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| EXPY | Termination of patent right or utility model |