GB 30039-2013Safety specification for tungsten carbide powder producing (English PDF)

6.1 Material Handling

6.1.1 Material Handling should have the necessary security measures, select the appropriate mode according to the actual handling of materials, of greater than 50kg Material should build hydraulic trailers, carts and powered forklifts and other handling respective devices.

6.1.2 powered forklift

6.1.2.1 When using power forklift, truck power shall obtain permits for special operations training of qualified personnel to operate by.

6.1.2.2 When the fork into the tray or lifting material, the material should be the center of gravity falls between two forks, fork lift should be slow to prevent the dumping of material.

6.1.2.3 When using power forklift, Material center of gravity must be located within the fork range, to prevent the material dumping. When the center of gravity of the material

6.1.2.4 Dynamic truck transport materials should be lowered, the speed should not be too large, it should not turn too fast, can not be overloaded or take others.

6.1.2.5 forklift operation when power can not be standing around the forks of the truck to avoid being crushed or bruised or materials.

6.2 Hoist

6.2.1 The hoist operator shall comply with the relevant provisions of JB9009.

6.2.2 hoist before using it if it was discovered one case 6.2.2.1 ~

6.2.2.4 shall not be used.

6.2.2.1 overloading or weight of the object is unclear, such as cable-stayed and suspended pull embedded objects, such as hanging oblique.

6.2.2.2 influential electric hoist safety defect or injury, such as brakes, limit malfunction, hook nut locking device is damaged, the wire Cord injury to be scrapped and the like.

6.2.2.3 bundle hanging is not strong or unbalanced and may slide between weights is not padded edges and corners with wire rope and so on.

6.2.2.4 Job Location dark, unable to see the grounds and hanging objects and so on.

6.2.3 before each work shift and respond to hoist do routine checks.

6.2.4 shall not use the stopper to stop.

6.2.5 Do not adjust the brakes in the case of lifting weights.

6.2.6 hoist operation, the animals shall not be suspended from above by a man.

6.2.7 shall not carry out inspection and maintenance work.

6.2.8 When the weight close to or reach the rated load, the first should be a small height, short stroke and then try hanging smooth lifting.

6.2.9 When no drop stopper electric hoist, hook in the lowest operating position, the rope reel must have a safety design requirements The number of full-circle.

6.3 Mixer (co-batch control)

6.3.1 mixer (co-batch control) transmission parts should install safety fence or enclosure net.

6.3.2 mixer (co-batch control) without housing protection, should be directed by the console installed safety mesh fence.

6.3.3 mixer (batch control combined) have a braking device to prevent operation barrel swing accidents.

6.3.4 Start the mixer (co-batch control) should be cleared of all may hinder mixer (co-batch device) on the operation of the object and the mixer before (co-batch Device) above tools, we need the fence around the job.

6.3.5 Start the mixer (combined batch is) part of any person shall not exceed fence, mixer (batch control combined) below can not stand people.

6.3.6 mixer (combined batch is) when on the move, can not help human brake.

6.3.7 When the mixer process (co-batch device) operation, found the motor temperature is too high, abnormal sound or smell burning smell, immediately stop messages related Staff.

6.4 Carbon tube furnace

6.4.1 Carbonation plant should work to maintain good ventilation workshop, workshop ventilation facilities work properly.

6.4.2 carbon tube furnace before boot, the major components such as water sets, copper sleeve, and so should be subject to the discharge end of the water test, pressure test and other tests, after passing the test Boot.

6.4.3 Before heating the oven, should first send each cooling water jacket cooling water.

6.4.4 During the heating furnace and jobs, not touch, clean or wipe conductive plate may not touch the outer wall of the furnace, to avoid scalding.

6.4.5 When the furnace is in operation, the door can not be open at both ends to prevent air from entering the furnace tube caused by blasting or oxidation.

6.4.6 should be observed through the sight glass furnace use of protective eyewear to prevent eye was light burns.

6.4.7 open the door when the operation performed out of material, people should stand on the side of the door, to prevent combustible gas blasting wounding.

6.4.8 In the feeding and discharging process, should prevent a boat or solid tungsten carbide injured, and prevent material Stabs; avoid the material transfer process He was transferred car bumps.

6.5 Molybdenum wire carbide furnace

6.5.1 Carbonation plant should work to maintain good ventilation workshop, workshop ventilation facilities work properly.

6.5.2 purged with nitrogen, hydrogen purge the furnace process should check the tightness, no leakage can be determined after energized warming.

6.5.3 job molybdenum wire carbide furnace exhaust gas discharged from the hydrogen flame ignition flame application, make sure that fire is the flame burning state, if the flame Suddenly went out, it should be re-point.

6.5.4 In the boat to return to the track, debris or other tools may not be placed, so as not to affect the mechanical movement, the security risk.

6.5.5 In the feeding and discharging process, should prevent a boat or solid tungsten carbide injured, and prevent material Stabs; avoid the material transfer process He was transferred car bumps.

6.6 Mill

6.6.1 Mill transmission parts should be installed shield.

6.6.2 Mill edge console fence should be installed, which should be protective plate tool holder, the tool may not be easy to fall free on location.

6.6.3 Station should remain firm, there should be shaking in time, can not stand on the mill operation.

6.6.4 charge into the ball mill, the hook can not be separated and installed electric hoist drum.

6.6.5 filling process, the bottom of the barrel can not stand on the side, taking care to avoid falling industrial equipment from the console.

6.6.6 Process operation, the tank will not be hanging in the air for a long time.

6.6.7 stop work when the milling cylinder has not completely stopped, the brake can not be artificial.

6.6.8 When the control line failure, motor temperature is too high, there is abnormal sound or smell burnt, should be shut down immediately reported to the relevant staff.

6.7 Sifting machine Console

6.7.1 sieving machine should be installed fence or protective plates, its eccentric, transmission wheel and the drive motor should be installed protective cover, protective cover song Move or fall off promptly.

6.7.2 fixed rope under the chute should be regularly checked and any cracks or worn should be replaced, to prevent leakage of material, wounding incident.

6.7.3 Install sieving machines hopper, its base should be solid, stable and avoid shifting or tilting.

6.7.4 sieving machine sieve tray dust cover to be added, when sifting machines work, if confined ineffective, dust is large, it should open the dust removal equipment. The amplitude and frequency of vibration sieving machine

6.7.5 shall not exceed the maximum limit specified in the design, not free to increase the eccentric mass shaker.

6.7.6 When feeding, can not stand on the side below the barrel; avoid falling industrial equipment from the operating table.

6.7.7 During operation, the tank will not be hanging in the air for a long time.

6.7.8 sieving machine abnormal situation, such as the control line failure, shift screening machine, motor abnormal sound, abnormal vibration sieve trays, should be stopped immediately Machine and report to the relevant staff.

6.8 Cylinder handling, replacement

6.8.1 cylinder short distance (<=5m) handling in the workshop, warehouse, loading and unloading site, available hand scroll (one hand and the bottle caps, so pour bottle Oblique, the other hand push the bottle is rotated along the ground).

6.8.2 cylinders in the workshop long distances ( > 5m) when handling, application-specific truck transport, to avoid accidents.

6.8.3 cylinders loading and unloading process should be wearing bottle caps, light loading and unloading.

6.8.4 Place the cylinder surface to be smooth, gas cylinders transported to their destination, when placed upright stable place and secure before they let go, to prevent tilting cylinders Down, accidents.

6.8.5 operating cylinder should stand on the side of the gas exports, the cylinder can not align themselves or others.

6.8.6 All hands slowly open the cylinder valve application, not use wrenches and other tools, add oil and other measures to force open. For hydrogen cylinders, Slowly open the valve while controlling the flow rate should not be too fast. It should prevent static electricity generated when the spin too fast to open the gas ignited, causing Danger.

6.8.7 shall not make or grease with filling oxygen cylinders strong oxidizing media exposure, the use of gloves when handling, industrial equipment and not contaminated with oil, if the charge Oxygen cylinders mounted or strong oxidizing medium stained with grease on the application of appropriate cleaning agents clean.

6.8.8 workshop within the cylinder may not be suspended use.

6.8.9 All gas cylinders must not be used in the hot sun or high temperature environment.

7 emergency plan

7.1 tungsten carbide powder production enterprises should be according to "People's Republic of China Production Safety Law," "People's Republic of China Fire Law", "People's Republic of China State Occupational Disease Prevention Law "," production safety accident emergency plan management approach ", AQ/T 9002 and other state laws and regulations, standards, combined enterprises Industry specific circumstances, the revision of the relevant contingency plans, and report above the county level of production safety supervision and management departments and relevant higher authorities for review Record.

7.2 tungsten carbide powder production enterprises should organize emergency plans training activities of the enterprise, so that the persons concerned to understand the content of the emergency plan, cooked Noted emergency duties, emergency procedures and post-emergency programs.

7.3 tungsten carbide powder production enterprises should develop the corporate emergency plan exercise program, according to accident prevention focus of the enterprise, at least annually Organize a comprehensive emergency exercise plans or specific contingency plans exercises, organize at least once every six months on-site disposal options exercise. After

7.4 emergency plan exercises should evaluate the effect of the emergency plan exercises, written emergency plan exercise evaluation report analyzed for the presence Problems, and contingency plans put forward amendments.