CN212856499U - Cement raw material feeding device containing metal magnesium slag - Google Patents
Cement raw material feeding device containing metal magnesium slag Download PDFInfo
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- CN212856499U CN212856499U CN202020911223.4U CN202020911223U CN212856499U CN 212856499 U CN212856499 U CN 212856499U CN 202020911223 U CN202020911223 U CN 202020911223U CN 212856499 U CN212856499 U CN 212856499U
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Abstract
The utility model provides a cement raw material loading attachment who contains metal magnesium sediment, include: silo is carried to the feed, a plurality of raw material feed hoppers and magnesium sediment feed subassembly, the raw material feed hopper sets up in the feed carries the silo top side by side, magnesium sediment feed subassembly sets up in the rear end of at least one raw material feed hopper, the magnesium sediment discharge gate of magnesium sediment feed subassembly sets up in the top of feed transport silo, and is located the middle part that the silo was carried to the feed, magnesium sediment feed subassembly includes a magnesium sediment feed hopper, be provided with sintering magnesium ball sieve on the magnesium sediment feed hopper and remove the filter screen. In the discharging process, the magnesium slag feeding hopper screens out the filter screen through the sintered magnesium balls, and the sintered magnesium balls contained in the metal magnesium slag are intercepted above the filter screen, so that the sintered metal magnesium balls are prevented from entering raw materials of cement raw materials, and the quality of the cement is prevented from fluctuating. Meanwhile, the violent impact of the metal magnesium slag and the feeding conveying trough can be prevented, so that the content of magnesium slag dust in the ambient air of a workshop is reduced, and the production environment of the workshop is improved.
Description
Technical Field
The utility model belongs to the technical field of special cement production, concretely relates to cement raw material loading attachment who contains metallic magnesium sediment.
Background
The magnesium metal slag is waste slag generated in the process of producing magnesium metal, and the main components of the magnesium metal slag are CaO and SiO2And unreduced MgO and the like. Research shows that the magnesium slag can be used as raw material of special cement containing magnesium or be added into conventional cement raw material for absorption.
When the magnesium metal slag is used as one of raw materials for cement production, the content of unreduced magnesium oxide in the magnesium metal slag needs to be controlled in an important way so as to ensure the stable quality of the prepared cement. However, in the smelting of magnesium metal, part of magnesium-containing ore is sintered to form magnesium balls with high magnesium content and high hardness, and if the magnesium balls are directly added into a conveying line of cement raw materials, the quality of cement is unstable, and on the other hand, the magnesium balls with high hardness are easy to accelerate equipment abrasion.
Disclosure of Invention
In view of this, the utility model provides a cement raw material loading attachment who contains magnesium sediment to having the magnesium ball that contains magnesium height, hardness are higher in the magnesium sediment of metal that exists among the solution prior art, leading to the unstable technical problem of cement quality, equipment wearing and tearing aggravation.
The utility model provides a technical scheme that its technical problem adopted is:
a cement raw material feeding device containing metal magnesium slag comprises:
a feeding and conveying trough;
the raw material feeding hoppers are arranged above the feeding conveying trough side by side; and
magnesium sediment feed subassembly, magnesium sediment feed subassembly sets up in the rear end of at least one raw material feeding hopper, the magnesium sediment discharge gate of magnesium sediment feed subassembly sets up in the top that the silo was carried in the feed, and is located the middle part of silo is carried in the feed, magnesium sediment feed subassembly includes a magnesium sediment feed hopper, still be provided with the sintering magnesium ball on the magnesium sediment feed hopper and sieve the filter screen, the sintering magnesium ball sieve remove the filter screen peg graft in on the magnesium sediment feed hopper.
Preferably, the sintered magnesium ball screening filter screen includes that the drawer is kept in to the magnesium ball and the filter screen is held back to the magnesium ball, the filter screen is held back to the magnesium ball set up in the bottom of the drawer is kept in to the magnesium ball.
Preferably, the magnesium slag feeding assembly further comprises a dust abatement assembly, and the dust abatement assembly is communicated with the discharge end of the magnesium slag feeding hopper; the dust subducts the subassembly and includes humid air inlet pipe and dust reunion separator, the discharge end intercommunication of magnesium sediment feed hopper the humid air inlet pipe, the feed end intercommunication of dust reunion separator the discharge end of humid air inlet pipe, the discharge end of dust reunion separator set up in on the feed conveying trough.
Preferably, the wet air feeding pipe comprises an air inlet pipe fitting, a batching tee pipe fitting and a magnesium slag moisture absorption pipe fitting which are sequentially connected, one end of the batching tee pipe fitting is communicated with the discharge end of the magnesium slag feeding hopper, and the discharge end of the magnesium slag moisture absorption pipe fitting is communicated with the feeding end of the dust agglomeration separator.
Preferably, the batching tee bend pipe fitting is a venturi mixer, and has wet air feed end, magnesium sediment feed end and mixture discharge end, wet air feed end intercommunication the inlet tube spare, the magnesium sediment feed end intercommunication the discharge end of magnesium sediment feed hopper, the mixture discharge end intercommunication the feed end of dust reunion separator.
Preferably, the lower end of the magnesium slag feeding hopper is provided with an inverted cone-shaped magnesium slag blanking distributor, the upper end of the magnesium slag blanking distributor is communicated with the lower end of the magnesium slag feeding hopper, and the lower end of the magnesium slag blanking distributor is communicated with the magnesium slag feeding end.
Preferably, the dust agglomeration separator is a cyclone dust collector, the lower end of the dust agglomeration separator is provided with an air lock, and a discharge hole of the air lock is arranged on the feeding and conveying trough and is positioned at the rear end of the raw material feeding hopper.
Preferably, the upper end of the dust agglomeration separator is provided with a purified air outlet, and the purified air outlet is provided with a magnesium dust auxiliary capturing filter cover.
According to the above technical scheme, the utility model provides a cement raw material loading attachment who contains metallic magnesium sediment, its beneficial effect is: the magnesium slag removing device is characterized in that a plurality of raw material feeding hoppers are sequentially arranged on the feeding conveying trough, a magnesium slag feeding component is arranged behind the raw material feeding hoppers and comprises a magnesium slag feeding hopper, and a sintered magnesium ball screening filter screen is arranged on the magnesium slag feeding hopper. On the one hand, magnesium sediment feed hopper is at the unloading in-process, through the sintered magnesium ball screen cloth removes the filter screen, and the magnesium ball that is contained by the sintering in the metal magnesium sediment is held back to the filter screen top, prevents that the metal magnesium ball that is sintered from getting into cement raw meal raw materials in, causes the cement quality to fluctuate. On the other hand, the metal magnesium slag penetrates through the sintered magnesium ball screen to be discharged, and meanwhile, the lumpy loose metal magnesium slag is crushed, the discharged metal magnesium slag slides onto other cement production raw materials, so that the metal magnesium slag is prevented from being violently impacted with the feeding and conveying trough, the content of magnesium slag dust in the air of the workshop environment is reduced, and the workshop production environment is improved.
Drawings
FIG. 1 is a schematic view showing the structure of a charging apparatus for raw cement materials containing magnesium slag.
FIG. 2 is a front view of a charging apparatus for raw cement materials containing magnesium slag.
Fig. 3 is a partially enlarged view of a portion a shown in fig. 2.
In the figure: the device comprises a cement raw material feeding device 10 containing metal magnesium slag, a feeding conveying trough 100, a raw material feeding hopper 200, a magnesium slag feeding component 300, a magnesium slag feeding hopper 310, a sintered magnesium ball screening and removing filter screen 311, a magnesium ball temporary storage drawer 312, a magnesium ball intercepting filter screen 313, a magnesium slag discharging distributor 314, a dust reducing component 320, a wet air feeding pipe 321, an air inlet pipe 3211, a batching tee pipe 3212, a magnesium slag moisture absorption pipe 3213, a dust agglomeration separator 322 and a magnesium dust auxiliary capturing filter shade 3221.
Detailed Description
The following combines the drawings of the utility model to further elaborate the technical scheme and technical effect of the utility model.
Referring to fig. 1 to 3, in one embodiment, a feeding apparatus 10 for raw cement materials containing magnesium slag includes: silo 100, a plurality of raw material feed hopper 200 and magnesium sediment feed subassembly 300 are carried to the feed, raw material feed hopper 200 set up side by side in the silo 100 top is carried to the feed, magnesium sediment feed subassembly 300 sets up in the rear end of at least one raw material feed hopper 200, the magnesium sediment discharge gate of magnesium sediment feed subassembly 300 sets up in the top of silo 100 is carried to the feed, and is located the middle part of silo 100 is carried to the feed, magnesium sediment feed subassembly 300 includes a magnesium sediment feed hopper 310, still be provided with sintering magnesium ball sieve on the magnesium sediment feed hopper 310 and remove filter screen 311, sintering magnesium ball sieve remove filter screen 311 peg graft in on the magnesium sediment feed hopper 310.
On one hand, during the discharging process, the magnesium slag feeding hopper 310 screens out the sintered magnesium balls through the sintered magnesium ball screening-out screen 311, so that the sintered magnesium balls contained in the metal magnesium slag are intercepted above the sintered magnesium ball screening-out screen 311, and the sintered metal magnesium balls are prevented from entering raw cement raw materials to cause the fluctuation of the cement quality. On the other hand, the metal magnesium slag penetrates through the sintered magnesium ball screen filter screen 311 to be fed, and meanwhile, the lumpy loose metal magnesium slag is sheared and crushed, the fed metal magnesium slag slides onto other cement production raw materials, so that the metal magnesium slag and the feeding and conveying trough 100 are prevented from being severely impacted, the content of magnesium slag dust in the ambient air of a workshop is reduced, and the production environment of the workshop is improved.
Further, in order to facilitate timely cleaning of the sintered magnesium balls retained on the sintered magnesium ball screening filter screen 311, the sintered magnesium ball screening filter screen 311 comprises a magnesium ball temporary storage drawer 312 and a magnesium ball retaining filter screen 313, and the magnesium ball retaining filter screen 313 is arranged at the bottom of the magnesium ball temporary storage drawer 312. For example, the drawer 312 is kept in to magnesium ball with filter screen 313 is held back around forming the drawer form is sieved to the sintering magnesium ball and is removed filter screen 311, and the magnesium ball that is sintered is held back on filter screen 313 is held back to the magnesium ball, and is located drawer 312 is kept in to magnesium ball, when needing the clearance to be held back the magnesium ball, only need will drawer 312 is kept in to magnesium ball takes out, can accomplish the clearance, convenient to use.
In a preferred embodiment, the magnesium slag feed assembly 300 further includes a dust abatement assembly 320, the dust abatement assembly 320 communicating with the discharge end of the magnesium slag feed hopper 310. Dust abatement assembly 320 includes humid air inlet pipe 321 and dust reunion separator 322, the discharge end intercommunication of magnesium sediment feed hopper 310 humid air inlet pipe 321, the feed end intercommunication of dust reunion separator 322 the discharge end of humid air inlet pipe 321, the discharge end of dust reunion separator 322 set up in on the feed conveyer trough 100.
For example, the wet air feeding pipe 321 comprises an air inlet pipe 3211, a mixing tee pipe 3212 and a magnesium slag moisture absorption pipe 3213 which are connected in sequence, wherein one end of the mixing tee pipe 3212 is communicated with the discharge end of the magnesium slag feeding hopper 310, and the discharge end of the magnesium slag moisture absorption pipe 3213 is communicated with the feed end of the dust agglomeration separator 322. For example, the proportioning tee 3212 is a venturi mixer having a wet air inlet end in communication with the inlet pipe 3211, a magnesium slag inlet end in communication with the outlet end of the magnesium slag feed hopper 310, and a mix outlet end in communication with the inlet end of the dust agglomeration separator 322.
Magnesium slag temporarily stored in the magnesium slag feeding hopper 310 enters the batching tee pipe 3212 from the discharge end at the lower end of the magnesium slag feeding hopper 310, is mixed with humidified air introduced from the air inlet pipe 3211, and is carried forward by the humidified air. During the conveying process, humidified wet air is introduced into the distribution tee pipe 3212 through the air inlet pipe 3211, and negative pressure is generated at the magnesium slag feeding end, so that magnesium slag is carried into the magnesium slag moisture absorption pipe 3213. The small particle magnesium slag is hygroscopic agglomerated in the magnesium slag hygroscopic pipe 3213 into larger particles and finally transported into the dust agglomeration separator 322. In the dust agglomeration separator 322, the magnesium slag particles further absorb moisture and agglomerate, and are separated from the air, and the magnesium slag after moisture absorption and agglomeration enters the feeding material conveying trough 100 from the bottom of the dust agglomeration separator 322. As the magnesium slag is humidified and agglomerated, the content of easily suspended particulate matters in the magnesium slag is reduced, so that the loss of magnesium dust in the workshop environment is reduced, and the magnesium slag dust is effectively prevented from being attached to equipment and accelerating the corrosion of the equipment.
Further, the lower extreme of magnesium sediment feed hopper 310 is provided with back taper magnesium sediment unloading distributor 314, the upper end intercommunication of magnesium sediment unloading distributor 314 the lower extreme of magnesium sediment feed hopper 310, the lower extreme intercommunication of magnesium sediment unloading distributor 314 the magnesium sediment feed end to guarantee that the magnesium sediment can smooth unloading.
In one embodiment, the dust-agglomerating separator 322 is a cyclone, and has an air lock at the lower end, and the discharge port of the air lock is disposed on the feeding and conveying trough 100 and at the rear end of the raw material feeding hopper 200. Further, the upper end of the dust aggregation separator 322 is provided with a purified air outlet, and the purified air outlet is provided with a magnesium dust auxiliary capturing filter 3221 for capturing a small amount of magnesium slag dust contained in the discharged purified air after being separated by the dust aggregation separator 322.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. A cement raw material loading attachment who contains metallic magnesium sediment, its characterized in that includes:
a feeding and conveying trough;
the raw material feeding hoppers are arranged above the feeding conveying trough side by side; and
magnesium sediment feed subassembly, magnesium sediment feed subassembly sets up in the rear end of at least one raw material feeding hopper, the magnesium sediment discharge gate of magnesium sediment feed subassembly sets up in the top that the silo was carried in the feed, and is located the middle part of silo is carried in the feed, magnesium sediment feed subassembly includes a magnesium sediment feed hopper, be provided with the sintering magnesium ball on the magnesium sediment feed hopper and screen off the filter screen, the sintering magnesium ball screen off the filter screen peg graft in on the magnesium sediment feed hopper.
2. The apparatus for charging raw cement material containing metallic magnesium slag according to claim 1, wherein said sintered magnesium ball removing screen comprises a magnesium ball temporary storage drawer and a magnesium ball retaining screen, said magnesium ball retaining screen being provided at the bottom of said magnesium ball temporary storage drawer.
3. The apparatus for charging raw cement materials containing metallic magnesium slag according to claim 1, wherein said magnesium slag feeding assembly further comprises a dust abatement assembly communicating with the discharge end of said magnesium slag feeding hopper;
the dust subducts the subassembly and includes humid air inlet pipe and dust reunion separator, the discharge end intercommunication of magnesium sediment feed hopper the humid air inlet pipe, the feed end intercommunication of dust reunion separator the discharge end of humid air inlet pipe, the discharge end of dust reunion separator set up in on the feed conveying trough.
4. The apparatus for charging raw cement material containing magnesium metal slag as claimed in claim 3, wherein said wet air feeding pipe comprises an air inlet pipe, a three-way pipe for proportioning and a moisture absorbing pipe for magnesium slag, which are connected in sequence, one end of said three-way pipe for proportioning is connected to the discharge end of said feeding hopper for magnesium slag, and the discharge end of said moisture absorbing pipe for magnesium slag is connected to the feed end of said dust agglomeration separator.
5. The apparatus as claimed in claim 4, wherein the tee fitting is a venturi mixer having a wet air inlet end, a magnesium slag inlet end and a mix outlet end, the wet air inlet end being connected to the air inlet pipe, the magnesium slag inlet end being connected to the magnesium slag feed hopper outlet end, the mix outlet end being connected to the dust agglomeration separator inlet end.
6. The apparatus for charging raw cement material containing metallic magnesium slag according to claim 5, wherein the magnesium slag feeding hopper is provided at its lower end with an inverted conical magnesium slag blanking distributor, the upper end of which communicates with the lower end of the magnesium slag feeding hopper, and the lower end of which communicates with the magnesium slag feeding end.
7. The apparatus for charging raw cement materials containing magnesium metalliferous slag as claimed in claim 3, wherein said dust agglomeration separator is a cyclone and has an airlock at a lower end thereof, and a discharge port of said airlock is provided in said feed conveyor chute at a rear end of said raw material charging hopper.
8. The apparatus for charging raw cement material containing metallic magnesium slag according to claim 7, wherein said dust agglomeration separator has a purified air outlet at an upper end thereof, and said purified air outlet is provided with a magnesium dust auxiliary capturing filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911223.4U CN212856499U (en) | 2020-05-22 | 2020-05-22 | Cement raw material feeding device containing metal magnesium slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911223.4U CN212856499U (en) | 2020-05-22 | 2020-05-22 | Cement raw material feeding device containing metal magnesium slag |
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| Publication Number | Publication Date |
|---|---|
| CN212856499U true CN212856499U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020911223.4U Active CN212856499U (en) | 2020-05-22 | 2020-05-22 | Cement raw material feeding device containing metal magnesium slag |
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| Country | Link |
|---|---|
| CN (1) | CN212856499U (en) |
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2020
- 2020-05-22 CN CN202020911223.4U patent/CN212856499U/en active Active
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