CN219984871U - Air inlet and slag discharging device of annular-rotation superfine pulverizer - Google Patents
Air inlet and slag discharging device of annular-rotation superfine pulverizer Download PDFInfo
- Publication number
- CN219984871U CN219984871U CN202321668638.3U CN202321668638U CN219984871U CN 219984871 U CN219984871 U CN 219984871U CN 202321668638 U CN202321668638 U CN 202321668638U CN 219984871 U CN219984871 U CN 219984871U
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- China
- Prior art keywords
- sealing
- slag discharging
- plate
- transverse
- air inlet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002893 slag Substances 0.000 title claims abstract description 50
- 238000007599 discharging Methods 0.000 title claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 90
- 238000000227 grinding Methods 0.000 claims abstract description 28
- 238000007790 scraping Methods 0.000 claims abstract description 8
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Abstract
The utility model discloses an air inlet and slag discharging device of a circular superfine pulverizer, which comprises an air inlet, a sealing cover, slag discharging scraping plates and slag discharging pipes, wherein the air inlet and the slag discharging pipes are symmetrically arranged on two sides of a lower shell, and the sealing cover and the slag discharging scraping plates are arranged in the lower shell. The utility model can effectively avoid the phenomena of blockage, jamming and the like in the running process of the equipment, reduce the frequency of shutdown maintenance and greatly improve the grinding efficiency.
Description
Technical Field
The utility model relates to grinding equipment, in particular to an air inlet and slag discharge device of a ring-rotation superfine grinding machine.
Background
The existing superfine grinding equipment mainly adopts a mechanical grinding and grading method to select materials, such as patent CN110404631A. The patent discloses a longitudinal swing type annular rotary superfine pulverizer, which comprises a pulverizing main machine, the pulverizing main machine is including locating mill device and the grinding roller device in the cover section of thick bamboo, the cover section of thick bamboo is installed on the housing of base, and the grader is installed on the cover section of thick bamboo, and the material is led into the cover section of thick bamboo through the inlet pipe and falls to rotatory samming dish on, and the samming dish throws the material around in the milling area between grinding ring and the grinding roller, and rotatory grinding ring and the grinding roller interact of roll extrusion on grinding ring grinding face material grind the material into powder, and the powder carries out the classification along with the ascending air current to the grader, and qualified powder is collected by the dust collector, and disqualified powder falls back to the samming dish and is thrown to the milling area once more after the samming dish, so repeatedly circulated prepares the superfine powder. However, this mill has problems in that: the slag discharging device is absent, unqualified large-granularity raw materials, waste residues and even metal objects easily fall into the bottom of the mill from a gap between the grinding ring tray and the shell, and the phenomena of bearing operation blockage, air duct blockage, equipment blocking and the like are also easy to occur over time.
Disclosure of Invention
The air inlet and slag discharging device of the annular superfine pulverizer overcomes the defects in the prior art, and the phenomena of blockage, blocking and the like in the running process of equipment can be effectively avoided, the frequency of shutdown maintenance is reduced, and the grinding efficiency is greatly improved by arranging the air inlet, the sealing cover, the slag discharging scraping plate and the slag discharging pipe in the lower shell.
The utility model realizes the aim through the following technical scheme:
the air inlet and slag discharging device of the annular superfine pulverizer comprises an air inlet, a sealing cover, slag discharging scrapers and slag discharging pipes, wherein the air inlet and the slag discharging pipes are symmetrically arranged on two sides of a lower shell, and the sealing cover and the slag discharging scrapers are arranged in the lower shell;
the sealing cover is of a hollow structure and sequentially comprises a transverse sealing plate, a longitudinal sealing plate, a transverse supporting plate and a sealing baffle plate from outside to inside, wherein the outer side of the transverse sealing plate is fixed on the inner wall of the lower shell, the inner side of the transverse sealing plate is connected with the longitudinal sealing plate, the upper part of the longitudinal sealing plate is connected with the transverse supporting plate, and the sealing baffle plate is longitudinally fixed on the transverse supporting plate;
the slag discharging scraper is fixed on the outer side of the bottom of the grinding ring tray, the bottom of the slag discharging scraper is close to the transverse sealing plate, and the inner side of the slag discharging scraper is close to the longitudinal sealing plate;
the bottom of the grinding ring tray is provided with a sealing boss which can be arranged in a concave gap between the longitudinal sealing plate and the sealing baffle;
and an inlet of the slag discharging pipe is formed in the transverse sealing plate, and the slag discharging pipe obliquely passes through the lower shell outwards.
Further, the transverse sealing plate, the longitudinal sealing plate, the transverse supporting plate and the sealing baffle are welded integrally.
Further, the number of the sealing baffle plates is identical to that of the sealing bosses, and the number of the sealing baffle plates is at least 1.
Further, the number of the sealing baffle plates and the sealing bosses is 2.
Further, the height of the lower end of the opening of the air inlet is consistent with that of the transverse sealing plate, and a ventilation gap exists between the inner wall of the lower shell and the outer wall of the grinding ring tray.
Compared with the prior art, the utility model has the advantages and effects that:
1. by arranging the sealing cover 2, the deslagging scraper 3 and the deslagging pipe 4, unqualified powder accumulated in the equipment can be cleaned in time, and the problem that the normal use of a bearing or other parts is affected and the equipment is blocked due to the fact that the unqualified powder falls into the equipment can be effectively prevented;
2. through setting up air intake 1 and ventilation clearance, not only can increase the intake, do benefit to the rising of qualified powder, also be favorable to the discharge of unqualified powder, avoid the problem of wind channel jam.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a partial enlarged view at a in fig. 1.
Drawing number identification: 1. the device comprises an air inlet, 2, a sealing cover, 2-1, a transverse sealing plate, 2-2, a longitudinal sealing plate, 2-3, a transverse supporting plate, 2-4, a sealing baffle, 3, a slag discharging scraper, 4, a slag discharging pipe, 5, a lower shell, 6, a grinding ring tray, 6-1, a sealing boss, 7 and a bearing.
Detailed Description
The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The specific embodiments described herein are to be considered in an illustrative sense only and are not intended to limit the utility model.
As shown in figure 1, the air inlet and slag discharging device of the annular superfine pulverizer comprises an air inlet 1, a sealing cover 2, slag discharging scrapers 3 and slag discharging pipes 4, wherein the air inlet 1 and the slag discharging pipes 4 are symmetrically arranged on two sides of a lower shell 5, and the sealing cover 2 and the slag discharging scrapers 3 are arranged in the lower shell 5.
As shown in fig. 1 and 2, the sealing cover 2 is of a hollow structure, the bearing 7 can be arranged in the sealing cover 2, the sealing cover 2 sequentially comprises a transverse sealing plate 2-1, a longitudinal sealing plate 2-2, a transverse supporting plate 2-3 and a sealing baffle plate 2-4 which are welded integrally from outside to inside, the outer side of the transverse sealing plate 2-1 is fixed on the inner wall of the lower shell 5, the inner side of the transverse sealing plate 2-1 is connected with the longitudinal sealing plate 2-2, the upper part of the longitudinal sealing plate 2-2 is connected with the transverse supporting plate 2-3, and the two sealing baffles 2-4 are longitudinally fixed on the transverse supporting plate 2-3.
As shown in figure 1, the slag discharging scraper 3 is fixed on the outer side of the bottom of the grinding ring tray 6, the bottom of the slag discharging scraper is close to the transverse sealing plate 2-1, and the inner side of the slag discharging scraper is close to the longitudinal sealing plate 2-2; the bottom of the grinding ring tray 6 is also provided with two sealing bosses 6-1, and the sealing bosses 6-1 can be arranged in concave gaps between the longitudinal sealing plates 2-2 and the sealing baffles 2-4; the horizontal sealing plate 2-1 is provided with an inlet of a slag discharging pipe 4 at a position corresponding to the slag discharging scraper 3, and the slag discharging pipe 4 obliquely passes through the lower shell 5 outwards.
As shown in fig. 1, the lower end of the opening of the air inlet 1 on the lower shell is consistent with the height of the transverse sealing plate 2-1; the inner diameter of the lower housing 5 is larger than the outer diameter of the grinding ring tray 6 with a ventilation gap therebetween.
The working principle of the utility model is as follows:
when the pulverizer operates, air rises through the ventilation gap between the lower shell 5 and the grinding ring tray 6 after entering from the air inlet 1, qualified powder enters the classifier along with rising air flow to be processed, most of unqualified powder falls back to the grinding area to be processed again, and a small part of unqualified powder falls onto the sealing cover 2 through the ventilation gap, and the deslagging scraper 3 can continuously scrape the unqualified powder accumulated on the sealing cover 2 to the inlet of the deslagging pipe 4 and then is discharged out of the equipment when synchronously rotating along with the grinding ring tray 6; the multi-loop sealing structure formed by the longitudinal sealing plate 2-2 of the sealing cover 2, the sealing baffle plate 2-4 and the sealing boss 6-1 of the grinding ring tray 6 can effectively prevent unqualified powder from entering the bearing 7 or the bottom of the machine base of the pulverizer.
The embodiments of the present utility model are described in detail above with reference to the drawings, but the present utility model is not limited to the described embodiments. Many changes, modifications, substitutions and alterations are possible to those embodiments without departing from the spirit and scope of the present utility model.
Claims (5)
1. An air inlet and slag discharging device of a rotary superfine pulverizer is characterized in that: the slag discharging device comprises an air inlet (1), a sealing cover (2), slag discharging scraping plates (3) and slag discharging pipes (4), wherein the air inlet (1) and the slag discharging pipes (4) are symmetrically arranged on two sides of a lower shell (5), and the sealing cover (2) and the slag discharging scraping plates (3) are arranged in the lower shell (5);
the sealing cover (2) is of a hollow structure and sequentially comprises a transverse sealing plate (2-1), a longitudinal sealing plate (2-2), a transverse supporting plate (2-3) and a sealing baffle plate (2-4) from outside to inside, wherein the outer side of the transverse sealing plate (2-1) is fixed on the inner wall of the lower shell (5), the inner side of the transverse sealing plate (2-1) is connected with the longitudinal sealing plate (2-2), the upper part of the longitudinal sealing plate (2-2) is connected with the transverse supporting plate (2-3), and the sealing baffle plate (2-4) is longitudinally fixed on the transverse supporting plate (2-3);
the slag discharging scraping plate (3) is fixed on the outer side of the bottom of the grinding ring tray (6), the bottom of the slag discharging scraping plate is close to the transverse sealing plate (2-1), and the inner side of the slag discharging scraping plate is close to the longitudinal sealing plate (2-2);
the bottom of the grinding ring tray (6) is provided with a sealing boss (6-1), and the sealing boss (6-1) can be arranged in a concave gap between the longitudinal sealing plate (2-2) and the sealing baffle (2-4);
an inlet of a slag discharging pipe (4) is formed in the transverse sealing plate (2-1), and the slag discharging pipe (4) obliquely penetrates through the lower shell (5) outwards.
2. The air intake and slag discharge device of the rotary superfine pulverizer as claimed in claim 1, wherein: the transverse sealing plate (2-1), the longitudinal sealing plate (2-2), the transverse supporting plate (2-3) and the sealing baffle (2-4) are welded integrally.
3. The air intake and slag discharge device of the rotary superfine pulverizer as claimed in claim 1, wherein: the number of the sealing baffle plates (2-4) is identical to that of the sealing bosses (6-1), and at least 1 sealing baffle plate is adopted.
4. The air intake and slag discharge device of the rotary superfine pulverizer as claimed in claim 3, wherein: the number of the sealing baffle plates (2-4) and the sealing bosses (6-1) is 2.
5. The air intake and slag discharge device of the rotary superfine pulverizer as claimed in claim 1, wherein: the lower end of the opening of the air inlet (1) is consistent with the height of the transverse sealing plate (2-1), and a ventilation gap exists between the inner wall of the lower shell (5) and the outer wall of the grinding ring tray (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321668638.3U CN219984871U (en) | 2023-06-28 | 2023-06-28 | Air inlet and slag discharging device of annular-rotation superfine pulverizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321668638.3U CN219984871U (en) | 2023-06-28 | 2023-06-28 | Air inlet and slag discharging device of annular-rotation superfine pulverizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219984871U true CN219984871U (en) | 2023-11-10 |
Family
ID=88613112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321668638.3U Active CN219984871U (en) | 2023-06-28 | 2023-06-28 | Air inlet and slag discharging device of annular-rotation superfine pulverizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219984871U (en) |
-
2023
- 2023-06-28 CN CN202321668638.3U patent/CN219984871U/en active Active
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