Disclosure to Promote the Right To Information

Transcription

1 इ टरन ट म नक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. ज न1 क अ+धक र, ज 1 क अ+धक र Mazdoor Kisan Shakti Sangathan The Right to Information, The Right to Live प0र 1 क छ ड न' 5 तरफ Jawaharlal Nehru Step Out From the Old to the New IS (1989): Bulk handling equipment - Reclaimer - Data sheet for selection, Part 1: Scraper reclaimer (Rail Mounted) [MED 7: Material Handling Systems and Equipment]! न $ एक न' भ रत क +नम-ण Satyanarayan Gangaram Pitroda Invent a New India Using Knowledge! न एक ऐस खज न > ज कभ च0र य नहB ज सकत ह ह Bhartṛhari Nītiśatakam Knowledge is such a treasure which cannot be stolen

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4 Indian Standard IS ( Part 1 ) : 1989 BULK HANDLING EQUIPMENT - RECLAIMER - DATA SHEET FOR SELECTION PART 1 SCRAPER RECLAIMER ( RAIL MOUNTED) UDC ( > : / 879 BUREAU OF INDIAN STANDARDS MANAK HHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI Price Group 7

5 Bulk Handling Equipment Sectional Committee, EDC 8 FOREWORD This Indian Standard ( Part 1 ) was adopted by the Bureau of Indian Standards on 16 January 1989, after the draft finalized by the Bulk Handling Equipment Sectional Committee had been approved by the Mechanical Engineering Division Council. This standard data sheet is expected to provide a uniform practice for giving details of rail mounted scraper reclaimer by the manufacturers and the purchasers and may help in the selection of such reclaimers.

6 Indian Standard IS (Part 1) : 1989 BULK HANDLING EQUIPMENT - RECLAIMER - DATA SHEET FOR SELECTION 1 SCOPE I PART 1 SCRAPER RECLAIMER ( RAIL MOUNTED) Lays down the data required for selection of rail mounted scraper reclaimer. 2 REFERENCE The Indian Standard IS 2266 : 1967 Specification for steel wire ropes for general engineering ( second revision ) is a necessary adjunct to this standard. purposes 3 DATA SHEET 3.1 Application and Site Data a) Applicable Date to : Proposal b) Service Days per year Continuous/Intermittent; days Duty : Operating hours per shift Shifts per day h Method of loading Site altitude f) Environment Dusty/Foggy/Snowy/Slushy/Clean d Relative humidity, Max at K percent h) Temperature : Max K Min K 3 Rain Fall : Average Max 3.2 Material Handled Data a) Material handled b) Capacity Normal Maximum Size Bulk density Corrosiveness f ) Hardness 9) Abrasiveness h) Moisture (percent) 9 Maximum temperature in silo k) Relative humidity in silo m> Angle of repose K 1

7 IS ( Part 1) : Operating Data a) Speed b) Scraper chain ( m/minute ) cl Elevator ( m/minute ) Discharge conveyor ( m/minute ) LuJing-: i) Normal speed ( degree/minute ) ii) Micro speed ( degree/minute ) f 1 Slewing ( degree/minute ) 8) Travelling ( m/minute ) 11) Range of slewing (degree ) 3 Maximum luffing angle ( degree ) 3. Scraper Boom a) Capacity ( tonne/hour > Normal Designed b) Length of boom ( m ) Size of scraping blade Number of scraping blade Blade fixing arrangement f> Size of scraping knives d Number of scraping knives h) Knife fixing arrangement 3 Chain ( Conveying ): 1) Size 3) 5) Roller diameter ( mm ) Type ) Pitch ( mm ) 6) Ultimate breaking strength ( MPa ) ~ _ W Chuin Sprockets: 1) Pitch circle diameter ( mm ) Number of teeth. 3) Number off ) Construction Cast/Forged/Welded m) Guide Roller: 1) Required/Not required Number ( mm ) 2

8 IS (Part 1) : 1989 n) Sprocket Bearing: ) Numbers 5) Chain tensioning device: Type Movement ( mm ) 3.5 Drive Unit Particulars a) Reversible/Non-reversible b) Type: Single speed c) Electric Motor: 3) kw 5) Class of insulation d) Coupling:!) Type 5) Overall drive efficiency e) Primary Reduction: 5) Service factor Two speed Variable speed ) Rev/minute - 6) Rating with respect to duty cycle ) Percentage slip ) Ratio f) Brakes: I) Numbers 3) g) Secondary Reduction: 5) Service factors h) Safety device j) Other particulars_ 3.6 Bucket Elevator ) ) Type Size Ratio Type b) Inclination with vertical ( degrees ) Discharge chute valley angle ( degrees ) 3

9 IS (Part 1) : 1989 d) Bucket Data: 1) Number off Size ( Length x Width x Projection ) ( mm ) 3) Plate thickness ( mm ) ) Capacity ( Water filled ) ( m3 ) 5) Pitch ( mm ) 6) Guide roller number off 7) Diameter (mm) e) Tensioning Device Required : Yes/No 1) Location 3) Movement Type f) Bearings: g) Capacity ( tonne/hour ): I) Normal Designed h) Centre to centre distance ( m ) j) Elevator Chain Single/Double 3) Pitch ( mm ) ) Roller/Link diameter ( mm ) 5) Ultimate breaking strength ( MPa ) k) Bucket fixing by bolts/rivets m) Sprockets for Elevator - Number of head/boot 1) Pitch circle diameter ( mm ) Number of teeth 3) Construction n) Hold Back Required : Yes/No Location p) Inspection Door Required : Yes/No 1) Size Location 3.7 Drive Unit Particulars a) Location : b) Type : Head end/,tail end Single speed/two speed/variable speed

10 C) Electric Motor: ) kw 5) IS ( Part 1) : 1989 _ Revlmin 6) Class of insulation 7) Rating with respect to duty cycle d) Primary Reduction: ) Ratio 5) Service factor e) Secondary Reduction: 0 Type ) Ratio 5) Service factor f 1 Coupling: ) Percentage slip d h) j) Overall drive efficiency Safety device Other particulars 3.8 Special Features ( if any ) 3.9 Discharge Conveyor a) Type t- Troughing angle Flat/Troughed d) Inclination with horizontal Capacity ( tonne/hour ) 1) Normal Relt SpeciJication 1) Belt width ( mm ) _ Cover grade Designed 3) Number of plies and duck ) Cover thickness ( mm ) 5) Top Bottom f > Pulley Diameter ( mm ) 1) Head Tail/snub 3) Idler dia ( troughing/return ) ( mm ) 5

11 LS ( Part 1) : 1989 d Bearings: Size 3) h) Centre to centre pulley ( m ) 3 k) pulleys lagged/unlagged Idlers lagged/unlagged, lifegreased/relubricated m> n> Trailing Idler : ( sets of) I) Carrying side Return side Walk Way on Gantry: 1) One side/both side Width I P) Hold Back Required Yes/No q) Tensioning Device Required : _ Yes/No Movement r) Belt Cleaners: 1) Required/Not required Internal/external 3) Head end/tail end 3.10 Drive Unit Particulars a) Location head end/tail end b) Electric Motor/Motorized Drum ) kw - 6) Class of insulation 5) 7) Rev/min Rating with respect to duty cycle c) Primary Reduction ) Ratio 5) Service factor d) Secondary Reduction ) Ratio 5) Service factor 6

12 Coupling: Overall drive efficiency IS ( Part 1) : 1989 Particulars of Geared Motor ( if provided ) 1) Size ) Speed ( rev/min ) 3) Output (kw) 5) Class of insulation 6) Rating with respect to duty cycle h) Other particulars 3.11 Luffing Mechanism Distance between beam pivot centres to luffing rope anchorage point ( m ) b> Winch drum cl Diameter X length -- Pulleys Beam Numbers Diameter ( mm ) -- Top Guide I Brakes: 1) Numbers _ Mechanical/Electromagnetic 3) ) Size 5) Other particulars Wire Rope ( see IS 2266 : 1977 ) 1) _ Construction 3) Ultimate breaking ) Strength ( MPa > 5) Factor of safety 6) Number of falls 7

13 IS (Part 1) : 1989 f) Bearing: 0 Type ) Location 5) Other Safety Devices - Required/Not required 6) Particulars of devices 3.12 Drive Unit Particulars (a Electric Motor: 1) Reversible Type Yes/No 3) ) 5) 6) 7) 8) Size kw Speed ( rev/min ) Class of insulation Rating with respect to duty cycle. b) Primary Reduction: ) Ratio - 5) Service factor Secondary Reduction: ) Ratio 5) Service factor d Reduction Unit ( Micro Speed ): ) Ratio 5) Service factor e) Coupling: ) Overall drive efficiency f) Limit Switches: Numbers 3) ) Location_ 9 d Other particulars 8

14 IS (Part 1) : Slewing Mechanism Main Slew Gear Train Gear Pinion Type and profile Number of teeth Module ( mm ) Width ( mm ) Pressure angle Surface finish Heat treatment detail b) Rolling WheeE: 1),Number Diameter ( mm ) 3) Width ( mm ) ) Bearing : Type c) King Post: 1) Diameter ( mm ) Thickness ( mm ) 3) Height ( mm ) ) Bearing : Type d) Limit Switches: Size Size 1) Numbers 3) Type ) Locations 3.1 Drive Unit Particulars a) Electric MOtOr: 1) Reversible : 5) Speed ( rev/min) b) Primary Reduction: Yes/No Type ) kw 6) Phase. ) Ratio 5) Service factor 9

15 IS (Part 1) : 1989 Secondary Reduction: ) Ratio 5) Service factor Coupling: 3) Size Bearings: I) Type 3) Size 0 Brake.. ~- Size 3) _ g) Overall drive efficiency h) Special features j) Other particulars 3.15 Travelling Mechanism Driving Wheels: Numbers Diameter ( mm ) b) Rail size Axle size Brake Particulars: 1) Mechanical : Shoe brake/lever operated Type 3) Numbers ) 5) Size Electrical : Electra magnetic thruster operated brake Yes/No Numbers 3) ) Size f) Wheel Loadings ( kg ) Maximum Minimum Bewings:. ) Numbers 10.

16 Is (Part 1) : Drive Unit Particulars - Reversible Yes/No Electric Motor: ) kw 5) Speed ( rev/min ) b) Primary Reduction: ) Ratio 5) Service factor Bearings: Coupling: Secondary reduction Overall drive efficiency Other particulars 3.17 Air Blower. a) Capacity ( Nm3/h ) b) Discharge pressure ( MPa). (-Gauge ) - c) Discharge temperature ( K ) d) Motor: 1) kw 3) Type ) Size Speed ( rev/min ) 5) e) Air Filter: Size 3) f) Other particulars. 11

17 IS (Part 1) : Materials of Construction - Scraper blades Items Material Hardness Items Material Hardness Specijcation BHN Speccfkation BHN Travelling axles Thread rollers -_ Thread wear plates for slew rollers _ Rollers for slewing Other shafts Winch drum Conveyor pulleys Conveyor idlers Rollers for cog wheel Rope sheaves Pins for cog wheel Chain wear plate: i) Scraper ii) Elevator Supporting brackets Structurals Plain bearings - Elevator buckets Bush bearing Brake shoes Guide rollers for elevator chain King post Ballast weight Travelling wheel 12

18 IS ( Part 1) : 1989 Items Chain Sprocket Material Specification Hardness BHN Material Specification Hardness BHN Bucket elevator Scraper Power transmission for: Travelling Scraping Elevator Conveyor Gear Pin ion Slewing Luffing ( normal ) Luffing ( micro ) Scraper Elevator _ Painting a) Surface preparation by: Sand blasting/brushing b) Specification of paint c) Number of coatings I Shop Painting I I Finished Painting I d) Thickness ( micron of each coating ) 13

19 IS ( Part 1) : Weights in kg a) Total ( including ballast ) b) Ballast weight.~ c) Control cabin d) Elevator e) Discharge conveyor f) Scraper g) Turn table h) Main gear j) King post k) Main bearing m) Tic rod assembly n) Long travel assembly 1

20 Standard Mark The use of the Standard Mark is governed by the provisions of the Bureau of Indian Standards Act, 1986 and the Rules and Regulations made thereunder. The Standard Mark on products covered by an Indian Standard conveys the assurance that they have been produced to comply with the requirements of that standard under a well defined system of inspection, testing and quality control which is devised and supervised by BIS and operated by the producer. Standard marked products are also continuously checked by BIS for conformity to that standard as a further safeguard. Details of conditions under which a licence for the use of the Standard Mark may be granted to manufacturers or producers may be obtained from the Bureau of Indian Standards.

21 Bureau of Indian Standards BIS is a statutory institution established under the Bureau of Indian Standards Act, 1986 to promote harmonious development of the activities of standardization, marking and quality certification of goods and attending to connected matters in the country. Copyright BIS has the copyright of all its publications. No part of these publications may be reproduced in any form without the prior permission in writing of BIS. This does not preclude the free use, in the course of implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. Enquiries relating to copyright be addressed to the Director ( Publications ), BIS. Revision of Indian Standards Indian Standards are reviewed periodically and revised, when necessary and amendments, if any, are issued from time to time. Users of Indian Standards should ascertain that they are in possession of the latest amendments or edition. Comments on this Indian Standard may be sent to BIS giving the following reference: Dot : No. EDC 8 ( 881) Amendments Issued Since Publication Amend No. Date of Issue Text Affected Headquarters: BUREAU OF 1NDIAN STANDARDS Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi Telephones : , Telegrams : Manaksanstha ( Common to all Offices ) Regional Offices: Telephone Central : Manak Bhavan, 9 Bahadur Shah Zafar Marg, NEW DELHI Eastern : l/1 C. I. T. Scheme VII M, V. I. P. Road, Maniktola, CALCUTTA I Northern : SC0 5-6, Sector 35-C, CHANDIGARH Southern : C. I. T. Campus, IV Cross Road, MADRAS Western : Manakalaya, E9 MIDC, Marol, Andheri ( East ), BOMBAY Branches : AHMADABAD. BANGALORE. BHOPAL. BHUBANESHWAR. COIMBATORE. FARIDABAD. GHAZIABAD. GUWAHATI. HYDERABAD. JAIPUR. KANPUR. PATNA. TRIVANDRUM. Printed at Printrade. New Delhi. India