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Related Manuals for Formula Air RS-EXL
Summary of Contents for Formula Air RS-EXL
- Page 1 RS-EXL – Ex rotary valve Maintenance manual...
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Page 2: Table Of Contents
1 Table of contents 1. Introduction.…………..…………………………………………………………………………………..……….…..2 2. Declaration of conformity …………………………..…………………………………………..……………..3 3. Type of certificate …………………………..………………………………………..…………………………...4 4. Usage & functional description …………………………..………………..………………………………..6 5. Warning & Safety instructions …………………………..……………..………………….………………..8 6. Delivery / Mounting / Storage…………………………………………..………………………………………8 7. Mounting………………………………………………………………………..…………………………….………….9 8. Operation / Maintenance ………………………………………………..……………………………………….9 9. Troubleshooting ……………………………………………………………..………………………….…………….11 10. Spare parts ……………………………………………………………………..………………………..…………….12 11. Disassembly and recycling….……………………………………………………………………………………13 12. Contacts…..…………….……….….……………………………………….……..……………………….…….…….14 ... -
Page 3: Introduction
2 1. INTRODUCTION We are pleased that you have chosen an Ex rotary valve that has been thoroughly tested, and only materials and components from recognized suppliers are used. In order to obtain optimal use of the properties of the Ex rotary valve it is presumed that the user reads this manual thoroughly. An Ex rotary valve (RS‐EXL) is type approved for dust explosion class St 1. Always read this manual thoroughly before commissioning of an Ex rotary valve. Please pay special attention to the section concerning maintenance, as correct maintenance of the Ex rotary valve is a prerequisite for trouble‐free operation. Furthermore, it is a prerequisite that the manual is complied with in order to keep the warranty on the Ex rotary valve. This manual must be kept throughout the life of the Ex rotary valve. In connection with reordering of the manual, the order number on the type plate must be stated. You are welcome to contact us for further information and comments. Please note that mounting, operation and maintenance of an Ex rotary valve only must be carried out by skilled personnel. ... -
Page 4: Declaration Of Conformity
Moldow A/S Jørge Hansens Vej 1 D K-6670 Holsted Hereby states that EX rotary valve type: RS-EXL is in compliance with the following provisions: EC directive on machinery 2006/42/EC of 17 May 2006 with specific reference to exhibit I of the directive concerning important safety and health requirements in connection with construction and manufacture of machines. -
Page 5: Type Of Certificate
4 3. TYPE OF CERTIFICATE ... - Page 6 5 ...
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Page 7: Usage & Functional Description
6 4. USAGE & FUNCTIONNAL DESCRIPTION An Ex‐rotary valve is constructed for following use : Safety component for isolation of explosions on a plant Non‐compressed unloading o f m aterials The Ex rotary valve is functionally built up of the following main elements: Rotor casing Rotor Drive set (motor, gear and coupling) 4.1. Rotor casing The rotor casing is made of sheet steel. Inlet and outlet are provided with flange connection. The end plate positioned at the drive set can be dismounted in a way that provides access to the rotor. The rotor casing is externally coated with primer and finish paint. 4.2. Rotor The rotor is built up of a rotor shaft mounted with 8 sets of blade retainers in hot galvanized plate. Sealing blades in durable material are mounted in the blade retainers. 4.3. Drive set The rotor is driven by an electric motor. The connection between rotor and electric motor is established by coupling and gear. ... - Page 8 7 The explosion resistant rotary valves (RS‐EXL) have been tested as explosion blocking devices in dust explosive hazardous containers and/or equipment (zone 20 internally) for flammable dust types (Kst max). The explosion pressure impact strength and break‐through resistance of the Ex rotary valves have been demonstrated with coal dust until the maximum reduced explosion pressure pred, max as flame break‐ through or spark break‐through did not take place. Break‐through and flame break‐through resistance in and against the transport direction have been secured. The sealing lists must ensure impermeability between rotor and casing. User has to add such equipment that upon detection of an explosion the rotary valve will stop automatically and instantaneously. ...
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Page 9: Warning & Safety Instructions
8 5. WARNING & SAFETY INSTRUCTIONS WARNING ‐ WARNING ‐ WARNING !!! THE POWER SUPPLY TO THE PLANT MUST BE DISCONNECTED PROPERLY AND SECURED AGAINST RECONNECTING BEFORE ANY KIND OF MAINTENANCE MUST BE COMMENCED! The Ex rotary valve is a safety component for which reason this warning sign is placed on it: Unintended use may cause squeezing / crushing of hands and fingers. Rotating shaft If the motor is connected electrically, the rotor with rubber blades may be able to rotate, and the hands may get squeezed. Consequently, the motor must not be connected until the rotary valve has been installed under the filter and the duct for conveying the waste has been installed. If the motor is to be installed in connection with a silo, the cyclone must be mounted on the rotary valve and the valve bolted on to the silo before connecting the motor. 6. DELIVERY / MARKINGS / STORAGE 6.1. Delivery On delivery, the Ex rotary valve is equipped with motor and gear, which are selected by Moldow. ... -
Page 10: Mounting
9 6.3. Storage Until mounting is commenced, an Ex rotary valve must be stored under conditions that prevent rusting, corrosion, decomposition and deformations, or another kind of storage, which can lead to risk of malfunction. 7. MOUNTING An Ex rotary valve must not be started until it has been mechanically connected on both sides. The Ex rotary valve must be sealed on both sides of the hole series and bolted in the predrilled holes with M8 bolts. Important: Always wear the safety equipment required. 7.1. Electrical connection Electrical connection must only be carried out by a certified electrician. In relation to electrical connection, the rotating direction of the rotary valve must be checked. The rotating direction is indicated by the arrow on the coupling housing. The electrical connection must be carried out in accordance with current national regulation. 7.2. Electrostatic bond Electrostatic bonding of an Ex rotary valve must be carried out before commissioning 8. OPERATION / MAINTENANCE If there is any doubt whether an Ex rotary valve or any important parts ... - Page 11 10 8.2. Overhaul In order for the manufacturer’s guarantee for explosion‐safeguard to apply, the customer must have regular maintenance carried out by the manufacturer or a distributor appointed by the manufacturer. In order for distributors to be approved to carry out maintenance for the manufacturer, they must be trained by the manufacturer. The following must be checked: Sealing blades, bearings, coupling, gear and motor. Note !!! Sealing blades and sealing ring must be impermeable! Overhaul must minimum take place every 6 months or according to this schedule: Material Operation hours annually No. of times annually Soft wood 1600 2 Hard wood 1600 3 Soft wood 3200 4 Hard wood 3200 6 Soft wood 4800 6 Hard wood 4800 8 8.3.
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Page 12: Troubleshooting
11 9. TROUBLESHOOTING Failure Possible causes Proposed solutions - Foreign body got stuck - Remove foreign body Rotary valve switches off - Rotor frozen - Thaw on the outside with hot thermally air or water - Gear motor defective - Replace the gear motor - Rotor defective - Replace the rotor - Motor protection set incorrectly - Adjust the motor protection - Fuse defective - Replace the fuse - Big voltage drop in power supply - Replace the cables to a larger ... -
Page 13: Spare Parts
12 10. SPARE PARTS Pos. Part No. RS‐3 Part No. RS‐7,5 Part No. RS‐9 Quan. Description 1 80106‐0731 80106‐0726 80106‐0719 8 Sealing blades 2 80106‐0718 80106‐0718 80106‐0718 2 Sealing ring 3 80106‐0730 80106‐0725 80106‐0720 8 blade r etainer 4 80106‐0733 80106‐0734 80106‐0735 1 Shaft c omplete 5 80105‐0093 ... -
Page 14: Disassembly And Recycling
13 11. DISMANTLING AND RECYCLING When dismantling a unit, be sure to keep in mind the following important information: As the unit is dismantled, set aside all still functioning parts in order to re‐use them on another unit. You should always separate the different materials depending on their type : iron, rubber, oils, greases, etc… Recyclable parts must be disposed of in the appropriate containers or brought to a local recycling company. The rubbish must be collected in special containers with appropriate labels and disposed of in compliance with the national laws and/or local legislations in force. CAUTION! It is strictly forbidden to dispose of toxic wastes in municipal sewerage and drain systems. This concerns all oils, greases, and other toxic materials in liquid or solid form. ... -
Page 15: Contacts
14 12. CONTACTS For spare parts please contact Formula Air Group. Formula Air Formula Air Formula Air The Netherlands Belgium Baltic Bosscheweg 36 Rue des Dizeaux 4 Televizorių G.20 SX 5741 Beek en Donk 1360 Perwez LT-78137 Šiauliai The Netherlands Belgium Lithuania Tel: +31 (0) 492 45 15 45 Tel: +32 (0) 81 23 45 71 Tel: +370 41 54 04 82 Fax: +31 (0) 492 45 15 99...
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