Instructions on labor protection for accumulator workers. Occupational Safety and Health

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OCCUPATIONAL SAFETY AND HEALTH
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Instructions on labor protection for accumulator workers. Full document

Occupational Safety and Health

Occupational Safety and Health / Standard instructions for labor protection

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Safe Operation

Safety requirements before starting work

Before starting work, battery operators must:

a) present to the manager a certificate of verification of knowledge of safe working methods,

b) put on overalls and special footwear of the established sample;

c) receive a task to perform work from a foreman or manager and undergo instruction at the workplace on the specifics of the work performed.

After receiving the task from the foreman or work manager, the battery workers are obliged to:

a) prepare the necessary personal protective equipment, remove hair under a headdress;

b) check the presence and serviceability of electrical equipment grounding;

c) select tools, equipment, apparatus and devices necessary for the performance of work, check their serviceability and compliance with safety requirements;

d) check the illumination of the workplace and the operation of ventilation systems, the availability of fire fighting equipment;

e) check the presence near the washbasin of soap, cotton wool in the package, towels and means to neutralize acid or alkali if they come into contact with the skin and eyes.

Battery workers should not start work with the following violations of safety requirements:

a) non-working supply and exhaust ventilation;

b) malfunctions specified in the manufacturer's instructions for the operation of the applied protective equipment and equipment, in which their use is not allowed;

c) insufficient illumination of the workplace;

d) malfunctions of electrical wiring and charging installations;

e) the absence of a solution of baking soda or a solution of boric acid. Detected violations of safety requirements must be eliminated on their own before the start of work, and if it is impossible to do this, the battery workers are obliged to report them to the foreman or manager.

Safety requirements during work

Battery work should be carried out in a specially designated room, where people should be limited access. On the doors there should be inscriptions: "Battery", "Flammable", "Do not enter with fire." The supply and exhaust ventilation of the battery room should be turned on before starting the battery charging and turned off after all gases have been removed, at least 1,5 hours after the charge is turned off.

Battery acid or electrolyte bottles should be closed with lapped stoppers and stored in a separate ventilated area.

During operation, battery operators must:

a) avoid shorting the battery terminals with metal objects;

b) transport batteries on special carts with slots according to the size of the battery, excluding the possibility of their falling;

c) do not allow simultaneous contact with two battery terminals to prevent short circuits and sparks;

d) check the battery voltage only with a voltmeter;

e) connect the battery terminals for charging and disconnect them after charging with the charging station equipment turned off;

e) connect the batteries with lead-coated terminals that create a tight contact and exclude sparking.

It is necessary to connect the batteries to the DC charging network and connect the batteries to each other in rubber gloves and rubber shoes.

If it is necessary to work on live parts, use a tool with insulated handles.

To inspect batteries, it is necessary to use explosion-proof portable lamps with electric lamps not higher than 42 V.

Carry bottles with acid, alkali and electrolytes should be carried by two people. Bottles must be securely fastened to stretchers or crates with closed stoppers.

To safely drain the acid, bottles should be placed in special hinged stands (rocking chairs) or a special siphon should be used.

Acid electrolyte should be prepared in special vessels (ceramic, plastic, etc.), while first you need to pour distilled water, and then acid into it in a thin stream.

Acid filling and electrolyte preparation should be done with goggles and rubber gloves.

When preparing an alkaline electrolyte, open a vessel with alkali carefully and without much effort. To facilitate the opening of a vial, the cork of which is filled with paraffin, it is necessary to warm the neck of the vial with a cloth soaked in hot water.

Large pieces of caustic potassium should be split, covering them with a clean cloth. Crushed pieces of caustic potassium must be carefully lowered into distilled water using steel tongs, tweezers or a metal spoon and mixed with a glass or ebonite rod until completely dissolved.

The prepared electrolyte should be poured into the batteries through a glass funnel, having first unscrewed the plugs from the filling holes and cooled the electrolyte to a temperature of 25°С ± 5°С. The electrolyte level should be measured using a glass tube with a diameter of 3-5 mm.

Charge new batteries only after impregnating the plates with electrolyte: for batteries with dry charged plates - after 3 hours, and for batteries with uncharged plates - after 4-6 hours.

The progress of charging should be monitored with the help of control devices (thermometer, load fork, hydrometer, etc.).

It is necessary to solder batteries in the battery room no earlier than 2 hours after the end of charging. Batteries operating in the constant recharge mode should be transferred to the charge mode 2 hours before the start of soldering.

Accumulators are prohibited from:

a) work without overalls and other personal protective equipment:

b) store and take food and water in the battery room;

c) enter the battery room with fire and smoke;

d) use electric heaters;

e) allow strangers into the premises;

f) use glassware to prepare the electrolyte;

g) mix the electrolyte by blowing air through a rubber hose;

h) connect the battery terminals with wires without clamps;

i) leave the premises while charging batteries;

j) to charge batteries when the supply and exhaust ventilation is not working;

l) carry and move single bottles with acid, alkali and electrolytes with open stoppers.

It is not allowed to jointly store and charge acid and alkaline batteries in the same room, as well as store acid bottles and alkaline bottles in the battery room in an amount greater than the daily requirement.

Safety requirements in emergency situations

In case of contact with sulfuric acid on the skin or eyes, wash it off with a stream of water, then rinse with a 5% solution of baking soda (for the skin of the body) and 2-3% (for the eyes) and report this to the work manager.

If alkali comes into contact with the skin or eyes, wash it off with a stream of water, then rinse with a 5-10% solution of boric acid (for the skin of the body) and a 2% solution of boric acid (for the eyes) and inform the supervisor.

Spilled sulfuric acid should be covered with sawdust, moistened with a solution of soda or covered with soda and wiped dry.

In the event of a fire of hydrogen or combustible materials, it is necessary to start extinguishing the source of ignition with primary fire extinguishing means. If it is impossible to extinguish the fire on their own, the battery operator must call the fire brigade in the prescribed manner and inform the work manager about the incident.

Safety requirements at the end of work

At the end of the work, the accumulators must:

a) tidy up the workplace, wipe and remove the tools and fixtures and put them in the designated place;

b) turn off the charging unit after charging the batteries, clean the batteries and terminals from the electrolyte and wipe them dry, check the cleanliness of the holes in the battery plugs;

c) remove overalls, special footwear and personal protective equipment, clean and put them in a place intended for storage;

d) wash your face and hands with warm water and soap, rinse your mouth;

e) report all problems noticed during work to the foreman or work manager.

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