GB 25522-2010Mineral processing equipment - Safety requirements (English PDF)

4.1 General Requirements Safety precautions and countermeasures

4.1.1 washing equipment intended to be used should be consistent with the relevant requirements of GB/T 15706.1 of.

4.1.2 washing equipment should be ergonomically designed, so as to reduce labor intensity, to avoid operator fatigue. The operator should work Required to wear safety equipment and other personal protective equipment.

4.1.3 If the hot and cold surfaces in contact with danger, these surfaces should be equipped with guardrails or covers. Sharp edges, corners and protruding parts of the design should meet Co GB/T 15706.2 requirements.

4.1.4 tubes, hoses and fittings shall withstand. Hose working pressure should be marked. Hose or tube near the operating position when necessary security Mounted shields, tube or hose burst avoid injury to the user.

4.1.5 into the operation and maintenance of the position of the channel device shall comply with GB/T 17300 of. Such as. doors, windows, the entrance can be opened or closed freely Closed in the "on" and "off" state should be safe.

4.1.6 washing around equipment should allow sufficient space for operation and maintenance.

4.1.7 In exceptional cold temperature environment, the operator shall be protected.

4.2 Operating location requirements

4.2.1 washing equipment exposed to dust, noise or harsh environments, the operating room should be set to protect the operator. Operating room environment Staff did not respond to the danger.

4.2.2 operating room should be able to prevent dangerous projectile material produced for feeding, discharging and transportation and other processes should take the necessary protective measures.

4.2.3 operating position should be quick and easy access and good visibility, ensure staff do not pose a danger.

4.2.4 operating room door opening direction should enable the operator in the event of danger quickly leave the operating room.

4.2.5 main operating room noise should not exceed 85dB (A), and should be GB/T 13325 for testing.

4.2.6 main operating room should take the necessary damping measures, the weighted root mean square acceleration correction value at their seats should not exceed 1.25m/s2, Vibration test reference GB/T 8419 method.

4.2.7 Main operating room should be equipped with an air purification device dust concentration should not exceed 2mg/m3. Dust concentration should be GB/T 5748 of Predetermined detection.

4.2.8 operating room illumination shall meet the requirements of 4.11.2. Nearby

4.2.9 operating position should not have flammable, explosive materials, materials, operating room should meet the fire safety requirements of 4.12.1.

4.2.10 work platform guardrail washing equipment should be installed to prevent people from dropping.

4.3 Control System Requirements

4.3.1 washing equipment control system safety should be consistent GB/T 16855.1 requirements.

4.3.2 Each piece of equipment should be set to total stop switches, each operating position should have an emergency stop device to prevent the risk of emergencies caused.

4.3.3 power supply is interrupted or re-supply interruption, can only be restarted by manual operation; when the power supply failure or hydraulic, gas When actuation system pressure drops, shall be protected to avoid danger. Protection devices and protective measures should be reliable and effective.

4.3.4 system when an emergency occurs, the alarm system should automatically send an alarm signal. Alarm signal must be easy to place and receive, and And the corresponding interlock safety device.

4.4 The control device requirements

4.4.1 Operation of the control device should be safe, fast, reliable, and its design configuration and signs should be consistent with GB/T 15706.2 requirements. Key The control device should be arranged in the comfort zone operated auxiliary control device may be disposed within the outer range and can be manipulated or other hazardous area position.

4.4.2 washing system should be the appropriate emergency stops and safety devices, emergency stop devices shall comply with GB/T 16754 requirements of.

4.4.3 All emergency stop functions and safety devices which should be checked periodically.

4.5 Security Requirements

4.5.1 Design of moving parts washing equipment, manufacturing and installation to avoid the risk of GB/T 15706.1 described that person as much as possible Little manual operation in a hazardous area.

4.5.2 baffles and silo cleaning equipment should be designed sufficient height to prevent materials and liquid spills.

4.5.3 For personnel and can rotate and drive components within the scope of the protective devices should be configured. Infrequently closest transmission components should be installed fixed guards, guards should be fixed by spot welding or device on its position, so that Its only use wrenches and other auxiliary tools to open or removed. Require frequent repair or maintenance activities should guard installation. Activities guards shall meet the following requirements.

--- When they open, as far as possible should be fixed on the machine;

--- In their open areas should be equipped with a support mechanism. Protective device shall comply with GB/T 15706.2 and GB/T 8196 requirements. Optoelectronic protective devices should filter

4.5.4 filter plate faster than 12mm/s to prevent close. These protective devices should be as close as possible Filter press installation.

4.5.5 When the operator is in the danger zone, should press automatic start using photoelectric alarms alert the operator.

4.5.6 Design of filter press filter plates and seals should be able to reduce the risk of high pressure slurry and other liquid ejection. Not fully eliminate In addition to dangerous places, the separator should be used for protection, especially in the slurry hot or corrosive or hazardous areas.

4.5.7 with observation windows and doors of the washing apparatus to observe all the doors and windows should be a reliable anti-loose fasteners.

4.6 Stability requirements

4.6.1 washing equipment should be securely attached to the foundation.

4.6.2 connection between the foundation and its washing equipment installation should have a certain degree of corrosion resistance, the necessary measures should be taken against corrosion.

4.6.3 shall be securely connected between the parts washing equipment, the necessary measures should be taken to prevent loosening.

4.7 Requirements for electrical equipment

4.7.1 Electrical equipment cleaning equipment used should be reliable grounding protection device. Electrical equipment should conform to the relevant to the GB 5226.1 begging. For flammable and explosive environment of electrical equipment should meet the requirements of GB 3836.1.

4.7.2 transformer or high voltage cable guard rails or four weeks should be set to be arranged in the isolation room, and set the appropriate safety signs. Safety Standards Chi should be consistent with the requirements of GB 2894.

4.8 Hydraulic, lubrication system requirements

4.8.1 hydraulic system should be consistent with GB/T 15706.2 requirements. Piping system pressure should not exceed the maximum allowable pressure, and pressure drop It can not lead to dangerous liquid leaks. System should be configured temperature or pressure monitoring devices, alarm when the temperature or pressure exceeds the allowable range.

4.8.2 hydraulic hoses should be preformed. Hoses and wires should be isolated, and avoid hot surfaces and sharp edges. Mobile hydraulic hose should With guide means.

4.8.3 Fuel tank level indicator should, hydraulic components, joints should not be leaking.

4.8.4 hydraulic, lubrication system must be installed in an appropriate secure location (on fire, ventilation), which can be separated from the host.

4.9 Installation, operation, maintenance and repair requirements

4.9.1 use of the site should use washing equipment specification requires reliable lifting device.

4.9.2 installed equipment base should be able to withstand a predetermined load, and the surface smooth and easy device installation.

4.9.3 during startup, operation and shutdown process, people should stay away from the device, and set up warning signs prominently. Warning signs should be consistent Requirements of GB 2894.

4.9.4 washing equipment occurred during the run blocking material must be manual cleaning, you should use the appropriate method to ensure that the operator will not be made To hurt.

4.9.5 grading equipment spiral tank should be completely shut down, and the use of tools to open. Its mill near the discharge end of the tank should be set railing.

4.9.6 When processing grading equipment back to sand clogging the groove should not climb on the grading machine. Clear grading equipment waste overflow grate on the Cleaner When the residue should not be standing on the grate slag.

4.9.7 People with pacemakers should be outside the minimum safe distance separation equipment, prevent the normal function of the magnetic interference with the pacemaker. corresponding The danger zone should be a warning sign. Warning signs should be consistent with the requirements of GB 2894.

4.9.8 Working within the magnetic sphere of influence, particularly in the work of the permanent magnetic field range, using magnetic substance should be careful.

4.9.9 Strong magnetic separator before the operation should be possible to attract all magnetic debris cleared away, should not be the object of magnetic attraction with nearly set Preparation around.

4.9.10 centrifugal concentrator operation should set up warning signs, do not allow the head drum inserted into the view.

4.9.11 spiral chute should be the height of each 2m ~ 2.5m is provided a stratified platform.

4.9.12 start flotation equipment should confirm the machine unattended, without obstacles. People should not cross in the pulp stirring tank on the job.

4.9.13 flotation tank due to wear and tear or leak slurry agitator failure must be shut down when maintenance should be vented slurry tank, and the water rushed election clean.

4.9.14 flotation machine when a sudden power failure the trip, should immediately cut off the power at the same time inform the stop to the mining. Road

4.10 Platform, channel requirements

4.10.1 washing equipment work platforms and ladders shall guardrail. Work platform and the work platform into the path should be consistent with the GB 17888.2 Regulations, ladders should be designed to meet the requirements of GB 4053.1 and GB 4053.2, the fence should be designed to meet the requirements of GB 4053.3.

4.10.2 access and working platforms should avoid accumulation of water, etc., and should have anti-slip.

4.10.3 access and working platform should meet the predetermined carrier and space requirements.

4.10.4 openings and an object collision, fall hazard areas shall protective equipment, and should be a warning sign.

4.11 Lighting requirements

4.11.1 washing equipment work site should be lighting. White lighting applications.

4.11.2 operating room illumination of not less than 100lx.

4.12 Fire protection requirements

4.12.1 washing between electronic control devices and operating room should be fire-resistant material. Operating room decorative materials should not release poisonous gas when burned Retardant material body.

4.12.2 likely to have fire and explosion dangerous equipment manufacturer in the instructions for use should be warned.

4.12.3 workplace fire extinguishers should be fixed. Portable fire extinguishers shall comply with the requirements of GB 4351.1. Portable fire extinguishers should not be placed near high temperature or power, it should be placed at a convenient operator access areas. Fire extinguishers should not take place Require any tools.

4.13 Warning device

4.13.1 warning device must be able to accurately and clearly a warning signal, the operator should regularly check all of the warning device.

4.13.2 When there is imminent danger, there must be an alarm signal warning device for personnel within the operation range.

5.2 Description

5.2.1 Description of the washing machine control section should be clear and unambiguous.

5.2.2 a potential danger, you must set up warning signs. Warning signs should be consistent with the requirements of GB 2894.

5.3 Maintenance

5.3.1 Adjustment washing equipment, maintenance, lubrication, cleaning and repair work should be carried out at the time of shutdown. If the above does not work when you enter downtime Line, we must follow the requirements of

5.4.3.2 of safely.

5.3.2 downtime when handling the card check process ore into the body or failure to comply with the following provisions.

--- Workers should wear seatbelts, its length only to the operating point;

--- Set up special monitoring;

--- Before entering the body, the pre-processing of ores or may block off the scum mine attached to the tank wall.

5.4 User's Guide

5.4.1 Instructions shall comply with GB/T 15706.2 and GB/T 9969 requirements. Instructions cover or first page shall be given the following information.

--- Instructions title;

--- Device model;

--- Manufacturers, sales companies and agents name and mailing address. Each washing instructions of the equipment shall include the following.

--- Product name, specifications and main technical parameters;

--- Main purpose and scope;

--- Suitable working conditions and environment;

--- System Description (mechanical transmission, hydraulic system, electrical control system, lubrication system and other systems);

--- Installation and debugging method;

--- Use and method of operation;

--- Maintenance Methods;

--- Common Faults and exclusion method;

--- Consumables table.

5.4.2 Instructions shall be the official language of the country of use washing station equipment, the term should be suitable for the operator to read.