CN202219958U - High angle belt conveying device for granulating slag of blast furnace - Google Patents
High angle belt conveying device for granulating slag of blast furnace Download PDFInfo
- Publication number
- CN202219958U CN202219958U CN2011203869203U CN201120386920U CN202219958U CN 202219958 U CN202219958 U CN 202219958U CN 2011203869203 U CN2011203869203 U CN 2011203869203U CN 201120386920 U CN201120386920 U CN 201120386920U CN 202219958 U CN202219958 U CN 202219958U
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- Prior art keywords
- belt
- high angle
- slag
- angle belt
- belt conveyer
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- Expired - Fee Related
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
The utility model relates to a high angle belt conveying device for granulating slag of a blast furnace. A slag hopper is arranged at the middle position of a slag receiving face of a high angle belt, an edge is reserved on two sides of the high angle belt, and a bearing mechanism is arranged below the high angle belt. The bearing mechanism is mainly formed by belt supporting wheels and a rotary shaft, the two belt supporting wheels are the same and in a shape of a circular truncated cone, the two belt supporting wheels are coaxially fixed on the rotary shaft respectively, the small end faces of the two belt support wheels face inwards, and the two edges of the high angle belts are contacted with the lateral sides of the two belt supporting wheels under the effect of self-gravity. The high angle belt conveying device greatly improves stress conditions of the belt, deviation of the belt and damage on the belt are eliminated, and service life of the belt supporting wheels is prolonged by at least 5 times compared with that of the conveying device before modification. Due to the fact that service life of the belt is prolonged, replacement is reduced, and cost of replacing a lower supporting roller and the belt is saved too.
Description
Technical field
The utility model relates to the blast furnace granulated slag delivery system, specifically refers to the improvement of high angle belt conveyer feedway part in the blast furnace granulated slag delivery system, belongs to technical field of blast furnace process.
Background technology
Some blast furnace granulated slag system of enterprise adopts good permanent method to handle slag, and the characteristics of this processing mode are that floor area is little, and technology arrangement is compact.Because the place is narrow, grain slag is delivered to high angle belt conveyer with flat belt after dewatering, be promoted to the slag storehouse by high angle belt conveyer, under the storehouse, connects slag by automobile again and transports outward then.And high angle belt conveyer receives many factor affecting service life, uses after 5～6 months and can't carry slag with regard to complete breakage, causes whole grain slag systemic breakdown, and the time that must stop transport more than two days is changed.Short belt to be installed during this period add flat belt and employ lot of manpower and material resources and organize the slag shipping, even put red slag to dried pit and keep production, the organization of production difficulty is strengthened; Very passive; Change one time the high angle belt conveyer expensive, about more than 40 ten thousand yuan, also cause productive costs to rise; Therefore be necessary original equipment is undergone technological transformation, to prolong its service life.
Through analyze finding, angle is big, belt load heavy and machine speed is fast except promoting for short reason of high angle belt conveyer life-span, the serious vibration, also design unreasonable no uncorrelated with snub pulley.
Existing high angle belt conveyer conveying mechanism is as depicted in figs. 1 and 2: high angle belt conveyer 1 receives the evenly densely covered slag bucket 4 of top of the slag midway location; Slag is contained in the slag bucket 4 and promotes; These slag bucket 4 materials and belt 1 are the same to be that rubber is processed, and about slag bucket 4 height 250mm, the width of slag bucket 4 is narrower than belt 1; The edge is left on both sides, about each 250mm of edge width.Snub pulley 2 is long carrying roller in the existing design, and snub pulley 2 two ends are supported through support 3.When the Shanghai slag is promoted to slag Cang Ding when outwelling slag and returning from below, slag bucket 4 is all held by snub pulley 2, and promptly snub pulley 2 contacts with the bucket tooth of slag bucket 4, sees Fig. 1.Because slag bucket 4 is uneven, on snub pulley 2, just being in the spring operation, easily with slag bucket wall 5 with dividing plate 6 damages and can not adorn slag, belt is scrapped.
Because the special structure form of high angle belt conveyer makes this type belt deadweight weigh at least more than one times than ordinary straps.In operational process; Belt bucket tooth both sides contact with snub pulley 2, and are as shown in Figure 1, owing to only depend on contact point a, b to come the deadweight of back-up belt 1; Therefore these both sides soon pressurized tear; Continue in the operational process, the lateral partitions 6 of bucket tooth can contact with snub pulley 2, thus high vibration when causing the belt operational process.Because snub pulley 2 is installed One's name is legion, and each carrying roller axis at all can't be vertical with belt centerline, thereby cause belt deviation serious, thereby more aggravated the damage process of belt, cause the high angle belt conveyer life-span to be reduced thus simultaneously.
The utility model content
To the above-mentioned deficiency that prior art exists, the purpose of the utility model provides a kind of device bulk life time belt service life and can prevent the blast furnace granulated slag high angle belt conveyer feedway of belt deviation especially of can improving.
The technical scheme of the utility model is achieved in that a kind of blast furnace granulated slag high angle belt conveyer feedway, receives top of the slag midway location to be furnished with slag bucket at high angle belt conveyer, and the edge is left on the high angle belt conveyer both sides, has support mechanism at high angle belt conveyer.Said support mechanism mainly is made up of carrier wheel and rotating shaft, is respectively equipped with bearing at the rotating shaft two ends; Carrier wheel is identical two and for round table-like, two carrier wheels are fixed on respectively in the rotating shaft with one heart, the small end face of two carrier wheels inwardly, high angle belt conveyer two edges are under the effect of belt self gravitation and the contacts side surfaces of two carrier wheels.
Seamlessly transit between the small end face of said carrier wheel and the side.
The side of said carrier wheel and the angle between the rotating shaft are 5 ± 0.5 °.
Compare prior art, the utlity model has following beneficial effect:
1, under the effect of belt deadweight, belt produces a certain amount of distortion, and the whole surface energy that the belt edge is contacted with carrier wheel is stressed equably, has improved the stressing conditions of belt greatly.
2, hold belt both sides edge planes by carrier wheel, slag bucket does not contact with carrier wheel fully, has thoroughly avoided original spring operation, has protected wall and the dividing plate of slag bucket effectively, has prolonged belt life to greatest extent.
3, adopt bearing and rotating shaft to be used as the supporter of new carrier wheel, thereby changed preceding prolongation more than at least 5 times the service life of carrier wheel.
4, carrier wheel is a frustum cone structure, so the each point peripheral velocity there are differences on the side, and the big linear velocity of diameter is big, and under the effect of this difference, there is the application force that is moved to the centre by both sides all the time in belt in operational process, thereby has eliminated the sideslip of belt.
5, the angle of cut with carrier wheel small end face and side is processed into fillet, has eliminated to change the damage of preceding this position angle of cut to belt.
6, belt life prolongs, and changes and reduces, and practices thrift the original expense of changing snub pulley and belt greatly.
Description of drawings
Fig. 1-existing high angle belt conveyer conveying mechanism scheme drawing.
Fig. 2-Fig. 1 side sectional view.
Fig. 3-the utility model structural representation.
The specific embodiment
Referring to Fig. 3, can find out that on scheming the utility model blast furnace granulated slag high angle belt conveyer feedway comprises high angle belt conveyer and is located at the support mechanism under the high angle belt conveyer.Receive top of the slag midway location to be furnished with slag bucket 4 at high angle belt conveyer 1, the edge is left on the high angle belt conveyer both sides, and the setting of slag bucket on belt is identical with existing structure.The support mechanism of the utility model mainly is made up of carrier wheel 7 and rotating shaft 8, is respectively equipped with bearing 9 at rotating shaft 8 two ends.Carrier wheel 7 is identical two and is round table-like that two carrier wheels 7 are fixed on respectively in the rotating shaft 8 with one heart, and the small end face 10 of two carrier wheels (being the upper bottom surface of round platform) inwardly.Like this; In carrier wheel 7 back- up belts 1,1 liang of edge of belt is contacted with carrier wheel 7, belt can be out of shape sinking under the effect of belt self gravitation; Belt middle part deflection is big; Therefore 1 liang of edge of belt can be naturally in the sinking process and side 11 uniform contact of two carrier wheels, and this contact belt is stressed evenly, and is impaired little.
Seamlessly transit between the small end face 10 of said carrier wheel and the side 11, be specially the round-corner transition of R10, eliminated thus change before this angle of cut to the damage of belt.
Distortion situation according to the belt by gravity; The utility model is designed to 5 ± 0.5 ° (are between round platform bus and the round platform axis angle be 5 ± 0.5 °) with the side 11 of carrier wheel and the angle between the rotating shaft 9; Force-bearing situation when belt is contacted with carrier wheel is realized the even of maximum, has improved the stressing conditions of belt greatly.
According to the utility model; The applicant all took down original long carrying roller in May, 2009, adopted 5 groups of carrier wheels (about diameter 1m), held belt both sides edge planes; Do not contact fully with slag bucket; Thoroughly avoid original spring operation, protected wall and the dividing plate of slag bucket effectively, prolonged belt life to greatest extent.
Belt life increases substantially after adopting abovementioned technology, moves 3 months at most before changing, and the most of bucket tooth of belt is just torn.After changing on June 3rd～5,2009, belt is operational excellence so far, though change the back through nearly ten months operation, the belt bucket tooth still remains intact.
The calculating of the economic benefit that the utility model brings
1. belt life prolongs, and reduces and changes, and economizes on the use of funds
Calculated by 6 months former service life, transforms the back and calculated by 11 months service life, the life-saving rate is: (11-6) ÷ 6=83.3%, economizing on the use of funds is ten thousand yuan/year of 40 * 83.3%=33.3 (by once needing more than totally 40 ten thousand yuan of funds).
2. reduce the snub pulley expense of changing
The long snub pulley of former whole use because wearing and tearing are big, need change 50 long carrying rollers in every month, needed 600 in 1 year, and 700 yuan of each long carrying roller expenses need ten thousand yuan/year of fund 600 * 700=42 altogether.
3. two totals are economized on the use of funds
33.3+42=75.3 ten thousand yuan/year.
Claims (3)
1. blast furnace granulated slag high angle belt conveyer feedway; Receive top of the slag midway location to be furnished with slag bucket (4) at high angle belt conveyer (1); The edge is left on the high angle belt conveyer both sides; Have support mechanism at high angle belt conveyer, it is characterized in that: said support mechanism mainly is made up of carrier wheel (7) and rotating shaft (8), is respectively equipped with bearing (9) at rotating shaft (8) two ends; Carrier wheel (7) is identical two and is round table-like; Two carrier wheels (7) are fixed on respectively in the rotating shaft (8) with one heart; The small end face of two carrier wheels (10) inwardly, high angle belt conveyer (1) two edge contacts with the side (11) of two carrier wheels under the effect of belt self gravitation.
2. blast furnace granulated slag high angle belt conveyer feedway according to claim 1 is characterized in that: seamlessly transit between the small end face of said carrier wheel (10) and side (11).
3. blast furnace granulated slag high angle belt conveyer feedway according to claim 1 and 2 is characterized in that: the angle between the side of said carrier wheel (11) and the rotating shaft (8) is 5 ± 0.5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203869203U CN202219958U (en) | 2011-10-12 | 2011-10-12 | High angle belt conveying device for granulating slag of blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203869203U CN202219958U (en) | 2011-10-12 | 2011-10-12 | High angle belt conveying device for granulating slag of blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202219958U true CN202219958U (en) | 2012-05-16 |
Family
ID=46041988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203869203U Expired - Fee Related CN202219958U (en) | 2011-10-12 | 2011-10-12 | High angle belt conveying device for granulating slag of blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202219958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356771A (en) * | 2019-08-13 | 2019-10-22 | 中煤科工集团上海有限公司 | A kind of corrugated sidewall conveyer strength entrusts mechanism |
-
2011
- 2011-10-12 CN CN2011203869203U patent/CN202219958U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356771A (en) * | 2019-08-13 | 2019-10-22 | 中煤科工集团上海有限公司 | A kind of corrugated sidewall conveyer strength entrusts mechanism |
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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: 20120516 Termination date: 20151012 |
|
| EXPY | Termination of patent right or utility model |