इंटरनेट मानक 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. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 15856 (2010): Cotton Seed Delinnting Machinery-Pre-Heating Machine-Specification [FAD 20: Agriculture and Food Processing Equipments] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 15856 : 2010 Hkkjrh; ekud dkWVu lhM MhfyfUVax e'khujh iwoZ rkiu e'khu fof'kf"V — - — Indian Standard COTTON SEED DELINTING MACHINERY — PRE-HEATING MACHINE — SPECIFICATION ICS 65.060 © BIS 2010 B U R E A U O F I N D I A N S T A N D A R D S MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 April 2010 Price Group 2 Agriculture and Food Processing Equipments Sectional Committee, FAD 20 FOREWORD This Indian Standard was adopted by the Bureau of Indian Standards, after the draft finalized by the Agriculture and Food Processing Equipments Sectional Committee had been approved by the Food and Agriculture Division Council. For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test or analysis, shall be rounded off in accordance with IS 2 : 1960 ‘Rules for rounding off numerical values (revised)’. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard. IS 15856 : 2010 Indian Standard COTTON SEED DELINTING MACHINERY — PRE-HEATING MACHINE — SPECIFICATION 1 SCOPE 3 TERMINOLOGY This standard specifies material, performance, and For the purpose of this standard following constructional and other requirements of pre-heating definitions shall apply. machine. 3.1 Pre-heating Machine — A machine used for 2 REFERENCES heating the fuzzy seed to maximum of 40ºC temperature. This pre-heating machine is drying the The standards given below contain provisions which fuzzy cotton seed to enhance the process of through reference in this text, constitute provisions hydrolysis in delinting machine. The temperature of of this standard. At the time of publication, the heated air is limited to 60ºC and fuzzy cotton seed editions indicated were valid. All standards are temperature is limited to 45ºC. The machine is also subject to revision and parties to agreements based used as temporary storage machine for fuzzy seed. on this standard are encouraged to investigate the The pre-heater machine is attached with feeding possibility of applying the most recent editions of hopper. Pre-heater machine is constructed with mild the standards indicated below: steel like MS sheet, angles and channel. The system IS No. Title consists of blowing unit, pre-heating chamber with inconel type heaters and conveying system. The 1364 Hexagon head bolts, screws and entire exposed inside and outside surfaces are coated nuts of product grades A and B: with 2 mm thick FRP for corrosion resistance. (Part 1) : 2002/ Hexagon head bolts (size range ISO 4014 : 1999 M 1.6 to M 64) (fourth revision) 3.2 Fuzzy Seed — The cotton seed left over after separation of lint from seed cotton (KAPAS) by (Part 2) : 2002/ Hexagon head screws (size range ginning operation. The cotton seed contains ISO 4017 : 1999 M 1.6 to M 64) (fourth revision) bollworm affected seed, cut seed, inert matter, trash, (Part 3) : 2002/ Hexagon nuts, style 1 (size range oversize and undersize seed, which is not free ISO 4032 : 1999 M 1.6 to M 64) (fourth revision) flowing. (Part 4) : 2003/ Hexagon thin nuts (chamfered) ISO 4035 : 1999 (size range M 1.6 to M 64) (fourth 3.3 Dried Seed — This is fuzzy seed, which is heated revision) by passing the hot air with help of blower heaters. The blower is fixed before the heating chamber where (Part 5) : 2002/ Hexagon thin nuts — Product the inconel type heaters are fixed in the cancelled ISO 4036 : 1999 grade B (unchamfered) (size and insulated chamber. The hot air at 60ºC passed range M 1.6 to M 10) (fourth access flow of fuzzy seed. The moisture from the revision) seed is removed with hot air and seed is dried to (Part 6) : 2002/ Hexagon nuts, style 2 below 10 percent moisture. ISO 4033 : 1999 3.4 Seed Conveying System — This operation is 2015 : 1977 Specification for T-nuts (first provided for transferring the fuzzy seed, which is revision) temporarily held in the pre-heating machine to the 2062 : 2006 Hot rolled low, medium and high mobile charging machine. This is rotated by tensile structural steel (sixth providing the power through the motor and chain revision) drive of standard make, which rotate the screw at 2403 : 1991/ Short pitch transmission precision certain rpm. The perforated bottom allows hot air to ISO 606 : 1982 roller chains and chain wheels pass across fuzzy seed. (second revision) 3.5 Body — This is a stationary machine part, which 5624 : 1993 Foundation bolts — Specification is fixed on the level ground. This body of pre-heating (first revision) machine consists of MS sheet, angles and channel. 1 IS 15856 : 2010 3.6 Pre-heating System — The hot air supply 7.3 The construction shall be such as to help and system has centrifugal blower having 2 100 cfm air easy repairs and maintenance. discharge and inconel type air heaters. Thermostat 7.4 The machine shall be provided with easy is provided so that the temperature of fuzzy cotton facilities for adjustments. seed should not exceed 45ºC and this system should have mounting of PT 100 type digital temperature 7.5 No loss of germination of fuzzy seeds. gauge and dial digital type hygrometer of standard make with corrosion resistance. The used hot air 8 WORKMANSHIP AND FINISH should exhaust through 250 mm ducting by valve to 8.1 The components of the machine shall be free surge bin machine. All heated parts are coated with from crack and other visual defects. Teflon and unheated parts with FRP coating. The total number of heater is three and capacity of each 8.2 The welding and joints, if any, shall not be heater varies with the capacity of machine. porous and shall be smooth. 4 MATERIALS 8.3 The corrosion preventing coating shall be provided to the body such FRP lining 2 mm thick The material of construction of pre-heating machine shall be provided. shall be given in the references. The material may conform to the relevant Indian Standard given in 8.4 The control and adjustment provided shall be Table 1. easy and operating smoothly. Table 1 Material of Construction of 9 MARKING AND PACKING Pre-heating Machine 9.1 Marking Sl Component Material Ref to IS No. No. Each pre-heating machine shall be marked with the (1) (2) (3) (4) following particulars: i) Body MS sheet IS 2062 a) Manufacturer’s name and address; ii) Legs MS channel IS 2062 iii) Screw MS channel IS 2062 b) Type and model number; iv) Screw shaft MS material IS 2062 c) Power rating; v) Screw flight MS sheet IS 2062 d) Drive details; vi) Sprocket Carbon steel IS 2403 e) Batch or Code number, if any; and vii) Perforated pipe MS sheet IS 2062 f) Year of manufacture. viii) Chain Steel IS 2403 ix) Foundation bolt Steel IS 2062 9.1.1 Each pre-heating machine may also be marked x) Heater Nickel-chromium — with the overall size and approximate weight of xi) Hexa nut and bolt Steel IS 1364 machine or this information may be given in the (Parts 1 to 6) catalogue supplied by the manufacturer. xii) Circup Steel IS 2015 9.2 BIS Certification Marking 5 PERFORMANCE REQUIREMENT Each pre-heating machine may also be marked with When tested with the method shall conform to the the Standard Mark. requirement given in Annex A. 9.2.1 The use of the Standard Mark is governed by 6 CONSTRUCTIONAL REQUIREMENT the provisions of the Bureau of Indian Standards Act, 1986 and the Rules and Regulations made The sheets, channels and angles used in the thereunder. The details of conditions under which construction of pre-heating machine shall be the licence for the use of the Standard Mark may be depending on the capacity of the machine, vary granted to manufacturers or producers may be from 3 mm, 5 mm, 8 mm and angles 25 mm × 25 mm, obtained from the Bureau of Indian Standards. 35 mm × 35 mm, and 50 mm × 50 mm and channels 100 mm × 50 mm. 9.3 Packing 7 OTHER REQUIREMENTS The packing of pre-heating machine shall be done as agreed to between the supplier and the purchaser. 7.1 The necessary bearing, chain sprocket and power drive shall be provided. 7.2 The necessary provision of greasing, oiling for bearings shall be provided. 2 IS 15856 : 2010 ANNEX A (Clause 5) METHODS OF TEST FOR PRE-HEATING MACHINE A-1 RUNNING IN AND PRELIMINARY c) Any marked rise in the bearing temperature. ADJUSTMENTS d) Any marked unusual wear or slackness in any component. A-1.1 The pre-heating machine shall be installed on levelled preferably on hard surface. e) No loss of germination of fuzzy seed. A-1.2 The pre-heating machine shall be run in for A-3 TEST AT LOAD about 30 min before commencing the test. All the The pre-heating machine shall be operated at its adjustments shall be carried out in accordance with input capacity specified by the manufacturer the recommendations of the manufacturers. incorporating best combination of adjustment for a A-2 TEST AT NO LOAD period of 30 min. During the running period rpm of screw shall be noted. The pre-heating machine shall be run at no load for 10 min at the specific speed. During and after the A-4 LONG RUN TEST ‘no load’ run the visual observation at the pre- The pre-heating machine shall be operated for a heating machine shall not show the following: minimum of 20 h duration. During and after the a) Presence of any marked vibration during the operation no breakdown or defects shall develop in operation. the pre-heating machine. b) Presence of undue knocking sound or rattling sound. 3 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 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. Review of Indian Standards Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewed periodically; a standard along with amendments is reaffirmed when such review indicates that no changes are needed; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standards should ascertain that they are in possession of the latest amendments or edition by referring to the latest issue of ‘BIS Catalogue’ and ‘Standards: Monthly Additions’. This Indian Standard has been developed from Doc No.: FAD 20 (1741). 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