CN210847178U - Efficient buggy preparation selection powder machine - Google Patents
Efficient buggy preparation selection powder machine Download PDFInfo
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- CN210847178U CN210847178U CN201920233623.1U CN201920233623U CN210847178U CN 210847178 U CN210847178 U CN 210847178U CN 201920233623 U CN201920233623 U CN 201920233623U CN 210847178 U CN210847178 U CN 210847178U
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- pipe
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- powder concentrator
- collecting pipe
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- 239000000843 powder Substances 0.000 title claims abstract description 78
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000003245 coal Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000004064 recycling Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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Abstract
The utility model discloses an efficient coal powder preparation powder concentrator, which comprises a powder concentrator barrel, an ash bucket, a cage-shaped rotor, an air outlet pipe, an explosion-proof valve, an air inlet pipe, a coarse material collecting pipe and air guide blades, wherein the lower end of the ash bucket is connected with a plurality of blanking pipes, the lower ends of the blanking pipes are fixedly connected with the bottom of the powder concentrator barrel, the blanking pipes are connected with the coarse material collecting pipe after penetrating through the barrel wall of the powder concentrator barrel, an inverted cone is arranged above the mouth of the air outlet pipe, and the inverted cone is positioned in the middle of the blanking pipes; the utility model discloses install sealed unloading pipe additional between ash bucket feed opening and middlings collecting pipe, make the middlings directly fall into the unloading pipe after get into the middlings collecting pipe again, make the interior mutual noninterference of air inflow and the middlings of whereabouts that rises, reach the effect that prevents to cross the wind, installed a plurality of unloading pipes and back taper additional, make the ventilation sectional area descend, make the unchangeable condition of amount of wind under the wind speed rise, realized the improvement of selection powder efficiency.
Description
Technical Field
The utility model belongs to the technical field of buggy processing, concretely relates to efficient buggy preparation selection powder machine.
Background
The coal mill dynamic powder concentrator is mainly used as a grading device in a coal powder preparation (grinding) system of a cement plant.
The material enters the powder concentrator along with the air current from the air inlet pipe, reaches the upper part of the shell through a gap between the inner cone and the outer cone, changes direction through the guide vane, forms rotary air current and enters the rotor, and the material is sorted under the combined action of the rotary air current and the rotation of the rotor. Qualified materials (fine powder) enter the rotor along with the airflow, are discharged through the air outlet, and finished product materials are collected by the next-stage dust collecting equipment; unqualified materials (coarse powder) fall into an ash bucket by gravity, flow into a coarse powder feed opening through an inverted cone, and are finally sent back into the mill for recycling.
The prior art has the following problems: 1. the coarse powder enters the coarse powder pipe after secondary powder separation and then is merged with the milled coal powder and air to form coarse powder for recycling, so that the powder separation efficiency of the powder separator is influenced; 2. the air quantity of the air inlet is weakened due to the influence of falling coarse powder, and production is influenced.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an efficient buggy preparation selection powder machine has the high-efficient characteristics that just reduce the production energy consumption of selection powder.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an efficient buggy preparation selection powder machine, includes selection powder machine bucket, ash bucket, cage rotor, goes out tuber pipe, explosion-proof valve, air-supply line, coarse fodder collecting pipe and wind-guiding blade, selection powder machine bucket upper portion intercommunication has out tuber pipe and lower part intercommunication to have air-supply line and coarse fodder collecting pipe, the inside cage rotor that is equipped with of selection powder machine bucket, a plurality of wind-guiding blades of fixedly connected with on the cage rotor, cage rotor below is equipped with the ash bucket, the feed opening department of ash bucket is connected with a plurality of unloading pipes, unloading pipe lower extreme fixed connection is in selection powder machine bottom of the barrel portion, just the unloading pipe pipeline link up selection powder machine bucket barrel wall back and is connected with the coarse fodder collecting pipe, it is equipped with the back taper body to go out tuber pipe mouth of the pipe top, just the back taper body is located unloading.
By adopting the technical scheme, the cone bottom of the original ash bucket is cut off, the falling coarse powder directly enters the coarse powder collecting pipe through the blanking pipe 9, the falling coarse powder flow and the rising air flow are not interfered with each other, the coarse powder separation effect is formed, and the coarse powder recycling phenomenon is eliminated.
As the preferred technical scheme of the utility model, the unloading pipe is wear-resisting steel sheet component.
By adopting the technical scheme, the blanking pipe is more abrasion-resistant.
As the utility model discloses an optimized technical scheme, the unloading pipe is equipped with four.
By adopting the technical scheme, the number of the blanking pipes is four, the additional installation is convenient, and the reduced ventilation sectional area accords with the actual use wind speed.
As the utility model discloses an optimal technical scheme, four the last nozzle size of unloading pipe is unanimous, just ash bucket feed opening is equallyd divide to the last nozzle of unloading pipe.
By adopting the technical scheme, the feeding sectional area of the ash bucket is ensured to be unchanged.
As the preferred technical scheme of the utility model, the blanking pipe is airtight with ash bucket and coarse fodder collecting pipe junction.
Adopt above-mentioned technical scheme effectively to prevent the cross wind.
As the utility model discloses an optimized technical scheme, back taper fixed connection is in the department of buckling in the middle part of unloading pipe.
By adopting the technical scheme, the inverted cone is convenient to fix, and the inverted cone is closer to the air inlet pipe to form the optimal ventilation sectional area.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model adds the sealed blanking pipe between the blanking port of the ash bucket and the coarse powder collecting pipe, so that the coarse powder directly falls into the blanking pipe and then enters the coarse powder collecting pipe, the ascending air inlet flow and the falling coarse powder are not interfered with each other, and the effect of preventing the air from mixing is achieved;
2. the utility model discloses installed a plurality of unloading pipes and back taper additional, made the area of ventilating section descend, made the unchangeable condition of amount of wind under the wind speed rise, realized the improvement of selection powder efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic diagram of the A-A screenshot in FIG. 2;
in the figure: 1. a powder concentrator barrel; 2. an ash hopper; 3. a cage rotor; 4. an air outlet pipe; 5. an explosion-proof valve; 6. an air inlet pipe; 7. a coarse material collecting pipe; 8. wind guide blades; 9. a discharging pipe; 10. an inverted cone.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 and 3, the present invention provides the following technical solutions: the utility model provides an efficient buggy preparation selection powder machine, including selection powder machine bucket 1, the ash bucket 2, cage rotor 3, go out tuber pipe 4, explosion-proof valve 5, air-supply line 6, coarse fodder collecting pipe 7 and wind-guiding blade 8, 1 upper portion intercommunication of selection powder machine bucket has play tuber pipe 4 and lower part intercommunication has air-supply line 6 and coarse fodder collecting pipe 7, 1 inside cage rotor 3 that is equipped with of selection powder machine bucket, fixedly connected with a plurality of wind-guiding blades 8 on the cage rotor 3, cage rotor 3 below is equipped with ash bucket 2, the feed opening department of ash bucket 2 is connected with a plurality of unloading pipes 9, 9 lower extreme fixed connection of unloading pipe are in selection powder machine bucket 1 bottom, and unloading pipe 9 pipeline link up and be connected with coarse fodder collecting pipe 7 behind the selection powder machine bucket 1 barrel wall, it is equipped with back taper 10 to go out 4 mouth of the tuber pipe, and back taper 10 is located unloading pipe 9 middle.
By means of the technical scheme, the cone bottom of the original ash bucket 2 is cut off, falling coarse powder directly enters the coarse powder collecting pipe 9 from the blanking pipe 9, the falling coarse powder flow and rising air flow are not interfered with each other, the effect of coarse powder separation is formed, the coarse powder recycling phenomenon is eliminated, and the pulverized coal preparation system in the embodiment adopts a closed circuit grinding system which is formed by a phi 4m × (7.5+3.5) m ball mill and a dynamic powder concentrator.
Specifically, as shown in fig. 3, the blanking pipe 9 is a wear-resistant steel plate member with a thickness of 8 mm.
By adopting the technical scheme, the blanking pipe 9 is more abrasion-resistant.
Specifically, as shown in fig. 3, four blanking pipes 9 are provided.
By adopting the technical scheme, when the number of the blanking pipes 9 is four, the additional installation is convenient, and the reduced ventilation sectional area accords with the actual use wind speed.
Specifically, as shown in fig. 3, the sizes of the pipe orifices of the four discharging pipes 9 are the same, and the upper pipe orifices of the discharging pipes 9 are connected with the discharging orifices of the ash distributing buckets 2.
By adopting the technical scheme, the feeding sectional area of the ash bucket 2 is ensured to be unchanged.
Specifically, as shown in fig. 1, the connection between the blanking pipe 9 and the ash hopper 2 and the coarse material collecting pipe 7 is sealed and closed by a steel plate.
By adopting the technical scheme, the wind cross can be effectively prevented.
Example 2
Referring to fig. 2, the difference between the present embodiment and embodiment 1 is: specifically, as shown in fig. 2, the inverted cone 10 is fixedly connected to the middle bending part of the feeding pipe 9, and the distance between the inverted cone 10 and the feeding opening of the ash bucket 2 is 200 mm.
By adopting the technical scheme, the inverted cone 10 is convenient to fix, the inverted cone 10 is close to the air inlet pipe 6, and the optimal ventilation sectional area is formed.
The working principle is as follows: the middlings directly fall into sealed unloading pipe 9 from ash bucket 2, makes the ascending wind flow and the thick powder flow of whereabouts noninterference, prevents that the middlings from circulating once more and influencing work efficiency, installs four unloading pipe 9 additional and presses close to the orificial back taper 10 of air-supply line 6 more, makes the ventilation sectional area descend, and the wind speed rises under the unchangeable circumstances of guaranteeing the amount of wind, can satisfy under the circumstances of production in the aspect of the amount of wind completely, and the improvement of wind speed is favorable to selecting powder efficiency to improve more.
The using method comprises the following steps: the pulverized coal preparation powder concentrator is started, pulverized coal to be selected enters a powder concentrator barrel 1 from an air inlet pipe 6 along with ascending air flow, qualified fine powder rises to enter an air outlet pipe 4 under the action of a cage-shaped rotor 3 and air guide blades 8, coarse powder falls into the bottom of an ash hopper by gravity and then directly enters a discharging pipe 9, finally, the coarse powder falls into a coarse powder collecting pipe 7 outside the powder concentrator barrel 1 in a converging manner, and the coarse powder is processed again and then enters the powder concentrator.
The installation method comprises the following steps:
firstly, welding four blanking pipes 9 by using wear-resistant steel plates with the thickness of 8 mm;
secondly, an upper pipe orifice of the blanking pipe 9 is hermetically welded with a discharge port of the inverted circular truncated cone type ash bucket, and a lower pipe orifice of the blanking pipe 9 is hermetically welded at a pipe orifice of a coarse material collecting pipe 7 arranged at the lower part of the powder concentrator barrel 1;
and thirdly, horizontally welding and fixing the circular surface of the inverted cone 10 at the bent part in the middle of the feeding pipe 9, and ensuring that the distance between the circular surface of the inverted cone 10 and the feeding hole of the ash hopper 2 is 200 mm.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an efficient buggy preparation selection powder machine, includes selection powder machine bucket (1), ash bucket (2), cage rotor (3), goes out tuber pipe (4), explosion-proof valve (5), air-supply line (6), coarse fodder collecting pipe (7) and wind-guiding blade (8), selection powder machine bucket (1) upper portion intercommunication has air-supply line (4) and lower part intercommunication to have air-supply line (6) and coarse fodder collecting pipe (7), selection powder machine bucket (1) inside is equipped with cage rotor (3), a plurality of wind-guiding blades of fixedly connected with (8) are gone up to cage rotor (3), cage rotor (3) below is equipped with ash bucket (2), its characterized in that: the powder concentrator is characterized in that a plurality of discharging pipes (9) are connected to the discharging openings of the ash bucket (2), the lower ends of the discharging pipes (9) are fixedly connected to the bottom of the powder concentrator barrel (1), a coarse material collecting pipe (7) is connected to the discharging pipes (9) after a pipeline of the discharging pipes (9) penetrates through the barrel wall of the powder concentrator barrel (1), an inverted cone (10) is arranged above the pipe opening of the air outlet pipe (4), and the inverted cone (10) is located in the middle of the discharging pipes (9).
2. The high-efficiency pulverized coal preparation powder concentrator as claimed in claim 1, wherein: the blanking pipe (9) is a wear-resistant steel plate component.
3. The high-efficiency pulverized coal preparation powder concentrator as claimed in claim 1, wherein: the number of the discharging pipes (9) is four.
4. The high-efficiency pulverized coal preparation powder concentrator as claimed in claim 3, wherein: the sizes of the upper pipe orifices of the four discharging pipes (9) are consistent, and the upper pipe orifices of the discharging pipes (9) are equally divided into the discharging ports of the ash buckets (2).
5. The high-efficiency pulverized coal preparation powder concentrator as claimed in claim 1, wherein: the connection part of the blanking pipe (9) and the ash hopper (2) and the coarse material collecting pipe (7) is sealed.
6. The high-efficiency pulverized coal preparation powder concentrator as claimed in claim 1, wherein: the inverted cone (10) is fixedly connected to the middle bending part of the blanking pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920233623.1U CN210847178U (en) | 2019-02-24 | 2019-02-24 | Efficient buggy preparation selection powder machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920233623.1U CN210847178U (en) | 2019-02-24 | 2019-02-24 | Efficient buggy preparation selection powder machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210847178U true CN210847178U (en) | 2020-06-26 |
Family
ID=71295698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920233623.1U Expired - Fee Related CN210847178U (en) | 2019-02-24 | 2019-02-24 | Efficient buggy preparation selection powder machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210847178U (en) |
-
2019
- 2019-02-24 CN CN201920233623.1U patent/CN210847178U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |