CN203044340U - Axial direction middlings separating device - Google Patents
Axial direction middlings separating device Download PDFInfo
- Publication number
- CN203044340U CN203044340U CN 201320031902 CN201320031902U CN203044340U CN 203044340 U CN203044340 U CN 203044340U CN 201320031902 CN201320031902 CN 201320031902 CN 201320031902 U CN201320031902 U CN 201320031902U CN 203044340 U CN203044340 U CN 203044340U
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- Prior art keywords
- inverted cone
- conoid
- door
- inverted
- inner cylinder
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Abstract
The utility model relates to an axial direction middlings separating device. The axial direction middlings separating device comprises an inner inverted conoid, a step-shaped cone is arranged at the bottom portion of the inner inverted conoid, an outer inverted conoid is arranged on the inner inverted conoid along the outer periphery surface of the inner inverted conoid in a supporting mode through first round steel which is uniformly distributed, a first bending door is arranged between the inner inverted conoid and the outer inverted conoid, the lower portion of the outer inverted conoid is connected with a powder inlet pipe and a powder returning pipe; an inner cylinder is arranged at the top portion of the inner inverted conoid, a conical cap is arranged at the top portion of the inner cylinder, an outer cylinder is arranged on the inner cylinder along the outer periphery surface of the inner cylinder in a supporting mode through second round steel which is uniformly distributed, a second bending door is arranged between the inner cylinder and the outer cylinder, the outer cylinder is arranged at the top portion of the outer inverted conoid, a top plate is arranged at the upper end of the outer cylinder, a powder outlet pipe is arranged at the middle portion of the top plate, and an anti-explosion door is arranged on the top plate through a ribbed plate. The axial direction middlings separating device has the advantages of being good in separating effect, high in working efficiency, and wide in application.
Description
Technical field
The utility model relates to the coal dust separation technology field, especially a kind of axial meal separator.
Background technology
One of key equipment of storage formula pulverized coal preparation system can effectively be separated qualified coal dust in the steel ball mill of mill separator from air-flow, and its runnability has very big influence to operation and the efficient of boiler.In the prior art, most power plant use radially baffle plate mill separator, because the intrinsic scarce limit of version, the problem of design selection in addition, it is in operation expose that powder process undercapacity, coal dust are thick excessively, problems such as lack of homogeneity, resistance are big, serious wear and powder process power consumption height, directly affect boiler, so the economy of whole unit and reliability.
The utility model content
The applicant is at adopting radially baffle plate mill separator cost height in the above-mentioned existing production technology, shortcomings such as lack of homogeneity provide a kind of axial meal separator, thereby improves separative efficiency, good reliability, and stability is high, and is applied widely.
The technical scheme that the utility model adopts is as follows:
A kind of axial meal separator, comprise interior inverted cone, the inverted cone bottom is provided with the step cone in described, inverted cone inverted cone outside its outer circumference surface is equipped with by equally distributed first round steel support in described, be provided with first between inverted cone and the outer inverted cone in described and be folded to door, described outer inverted cone bottom connects powder inlet pipe and powder retrieving pipe; The inverted cone top is equipped with inner cylinder in described, the awl cap is installed at described inner cylinder top, described inner cylinder supports by equally distributed second round steel along its outer circumference surface exterior circular column is installed, be provided with second between described inner cylinder and the exterior circular column and be folded to door, described exterior circular column is positioned at the top of outer inverted cone, top board is installed in described exterior circular column upper end, and described top board middle part is provided with flour extraction pipe, by floor explosion proof door is installed on the described top board.
As further improvement in the technical proposal:
Described second is folded to the spanner that the control angle is installed on the door;
Described powder inlet pipe vertically is installed on outer inverted cone bottom;
Described powder retrieving pipe tilts to be installed on outer inverted cone bottom;
The outer circumference surface of described outer inverted cone is provided with a plurality of first circular manhole door;
The outer circumference surface of described exterior circular column is provided with a plurality of second circular manhole door;
The outer circumference surface of described exterior circular column is provided with stiffening ring.
The beneficial effects of the utility model are as follows:
The utility model is rational in infrastructure, easy and simple to handle, use flexibly, can control the granularity that coal dust separates by the angle that adjusting is folded to door, the utility model is folded to door and second by notch cuttype cone, first and is folded to door and separates coal dust successively, good separating effect, high efficiency is widely used.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of third level separator of the present utility model.
Fig. 3 is along the full sectional view in A-A cross section among Fig. 2.
Wherein: 1, top board; 2, explosion proof door; 3, flour extraction pipe; 4, floor; 5, awl cap; 6, inner cylinder; 7, exterior circular column; 8, stiffening ring; 9, the second circular manhole door; 10, second be folded to door; 11, spanner; 12, interior inverted cone; 13, first round steel; 14, first be folded to door; 15, step cone; 16, the first circular manhole door; 17, powder retrieving pipe; 18, powder inlet pipe; 19, outer inverted cone; 20, second round steel.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described.
As Fig. 1, Fig. 2 and shown in Figure 3, the axial meal separator of present embodiment, inverted cone 12 in comprising, interior inverted cone 12 bottoms are provided with step cone 15, interior inverted cone 12 is inverted cone 19 outside its outer circumference surface is equipped with by 13 supports of equally distributed first round steel, be provided with first between interior inverted cone 12 and the outer inverted cone 19 and be folded to door 14, outer inverted cone 19 bottoms connect powder inlet pipe 18 and powder retrieving pipe 17; Interior inverted cone 12 tops are equipped with inner cylinder 6, awl cap 5 is installed at inner cylinder 6 tops, inner cylinder 6 supports by equally distributed second round steel 20 along its outer circumference surface exterior circular column 7 is installed, be provided with second between inner cylinder 6 and the exterior circular column 7 and be folded to door 10, exterior circular column 7 is positioned at the top of outer inverted cone 19, top board 1 is installed in exterior circular column 7 upper ends, and top board 1 middle part is provided with flour extraction pipe 3, by floor 4 explosion proof door 2 is installed on the top board 1.
Second is folded to the spanner 11 that the control angle is installed on the door 10.Can regulate second easily and be folded to the angle of door 10, thereby control the granularity of separating coal dust.
The outer circumference surface of outer inverted cone 19 is provided with a plurality of first circular manhole door 16.Handled easily workman O﹠E.
The outer circumference surface of exterior circular column 7 is provided with a plurality of second circular manhole door 9.Handled easily workman O﹠E.
The outer circumference surface of exterior circular column 7 is provided with stiffening ring 8.Increase stability.
In the actual use, the coal dust mixed airflow is entered in the outer inverted cone 19 by powder inlet pipe 18, at first strike the step cone 15 of interior inverted cone 12 bottoms,, by the effect of gravity past whereabouts flow to powder retrieving pipe 17(at this moment finish first order separation than coarse granule this moment); More fine grain coal dust continues to rise, be folded to door 14 passages that enter between outer inverted cone 19 and the interior inverted cone 12 by first, and formation swirling eddy, coal dust is by centrifugation, the meal of separating falls along the internal face of outer inverted cone 19, flows to powder retrieving pipe 17(and finishes second level separation at this moment); Coal dust after being separated by the second level continues to rise, be folded to door 10 passages that enter between exterior circular column 7 and the inner cylinder 6 by second, and the formation swirling eddy, coal dust is separated again, and the fine powder after the separation flows out (having finished the third level separation this moment) from flour extraction pipe 3.It is separated successively that coal dust separates device through three grades, its good separating effect, and high efficiency, the scope of application is wide.
More than describing is to explanation of the present utility model, is not the restriction to utility model, and the utility model institute restricted portion within protection domain of the present utility model, can be done any type of modification referring to claim.
Claims (7)
1. axial meal separator, it is characterized in that: comprise interior inverted cone (12), inverted cone (12) bottom is provided with step cone (15) in described, inverted cone (12) inverted cone (19) outside its outer circumference surface is equipped with by equally distributed first round steel (13) support in described, be provided with first in described between inverted cone (12) and the outer inverted cone (19) and be folded to door (14), described outer inverted cone (19) bottom connects powder inlet pipe (18) and powder retrieving pipe (17); Inverted cone (12) top is equipped with inner cylinder (6) in described, awl cap (5) is installed at described inner cylinder (6) top, described inner cylinder (6) supports by equally distributed second round steel (20) along its outer circumference surface exterior circular column (7) is installed, be provided with second between described inner cylinder (6) and the exterior circular column (7) and be folded to door (10), described exterior circular column (7) is positioned at the top of outer inverted cone (19), top board (1) is installed in described exterior circular column (7) upper end, described top board (1) middle part is provided with flour extraction pipe (3), and described top board (1) is gone up and by floor (4) explosion proof door (2) is installed.
2. axial meal separator as claimed in claim 1 is characterized in that: described second is folded to the spanner (11) that the control angle is installed on the door (10).
3. axial meal separator as claimed in claim 1 is characterized in that: described powder inlet pipe (18) vertically is installed on outer inverted cone (19) bottom.
4. axial meal separator as claimed in claim 1 is characterized in that: described powder retrieving pipe (17) tilts to be installed on bottom the outer inverted cone (19).
5. axial meal separator as claimed in claim 1, it is characterized in that: the outer circumference surface of described outer inverted cone (19) is provided with a plurality of first circular manhole door (16).
6. axial meal separator as claimed in claim 1, it is characterized in that: the outer circumference surface of described exterior circular column (7) is provided with a plurality of second circular manhole door (9).
7. axial meal separator as claimed in claim 1, it is characterized in that: the outer circumference surface of described exterior circular column (7) is provided with stiffening ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031902 CN203044340U (en) | 2013-01-22 | 2013-01-22 | Axial direction middlings separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031902 CN203044340U (en) | 2013-01-22 | 2013-01-22 | Axial direction middlings separating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203044340U true CN203044340U (en) | 2013-07-10 |
Family
ID=48727338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320031902 Expired - Fee Related CN203044340U (en) | 2013-01-22 | 2013-01-22 | Axial direction middlings separating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203044340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195341A (en) * | 2015-06-09 | 2015-12-30 | 中国大唐集团科学技术研究院有限公司 | Double-in and double-out steel ball coal mill shaft diameter combined separator |
-
2013
- 2013-01-22 CN CN 201320031902 patent/CN203044340U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195341A (en) * | 2015-06-09 | 2015-12-30 | 中国大唐集团科学技术研究院有限公司 | Double-in and double-out steel ball coal mill shaft diameter combined separator |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20190122 |