How to check the expiration date of the filter canister, the validity period of the filter canister

Under normal circumstances, if you want to test the service life of the poison filter, you need a professional institution to know through experiments that the so-called poison filter tank is not invalid, that is, the poison filter tank can also play the role of filtering poison gas, that is, under the relative concentration of poison gas, the specified poison gas can be filtered. Under normal circumstances, many units will not hold the poison filter tank alone is to do experiments in professional institutions, the easiest way is to weigh it, as long as the purchase is a qualified unit's gas mask, when the filter tank is obviously lighter, the activated carbon agent in it may be used up, it is recommended to replace the filter tank. In the process of using gas masks, it is also the most basic method to determine the production date of the canister, and we can clearly know whether the canister can be used normally through the expiration date above.

It is not feasible to use the method of weighing to determine whether the filter tank is effective, because it is basically impossible to calculate the difference in gram weight.

It is safer to know in advance the type and concentration of the toxins exposed, the time of protection, and establish a regular replacement schedule. Some brands of canisters provide failure indicators, and when they are close to failure, the indicators (such as color rendering) automatically remind the user to replace them in advance, but due to technical and cost limitations, products that can provide failure indicators are still very rare in the market.

The canister needs to be replaced every two weeks to ensure the safety and health of the personnel. And before using the poison filter canister, pay attention to whether the poison filter canister is within the shelf life, and do not use the filter canister that has passed the shelf life.

The storage period of the canister under standard conditions is 5 years. A poison filter is a type of poison filter filled with activated carbon.

The tank device of the filling material, in which the filling material has chemical and physical adsorption and filtration capacity, can remove the dust, toxic and harmful substances in the air, and the socks that filter the poison through the filter tank lift the air for people to breathe.

The device can be large or small, which can be determined according to the requirements of the connecting parts and devices, as well as the amount of dust and toxic substances in the air of Gaobi, the size of the air space that needs to be filtered, and the life of the required use and replacement of the poison filtration equipment. Such as in a gas mask.

The canister below is very small, and it is a tank with a certain specification that can be matched with a gas mask. The filter tank installed on the air ventilation filter device is larger, and can be designed according to specific requirements or selected according to the specifications of existing products. The filter substances filled in the filter tank need to be replaced regularly, and its varieties are determined according to the type and content of dust and toxic substances, and the time of regular replacement.

The storage period of the canister under standard conditions is 5 years. The tank is a tank device equipped with activated carbon and other sail flaps and filling materials, in which the filling materials have chemical and physical adsorption and filtration capabilities, which can remove dust, toxic and harmful substances in the air, and filter the air through the filter tank for people to breathe. <

The storage period of the canister under standard conditions is 5 years. The filling material has chemical and physical adsorption and filtration capabilities, which can remove dust, toxic and harmful substances in the air, and filter the air through the poison filter tank for human breathing.

The storage period of the canister under standard conditions is 5 years. The poison filter tank is a tank device filled with activated carbon and other filling materials, and the filled materials in it have the ability to absorb and filter the chemical and physical sparrows, which can remove dust, toxic and harmful substances in the air, and filter the air through the poison filter tank for people to breathe.

The device can be large or small, which can be determined according to the requirements of the connecting parts and devices, as well as the amount of dust and toxic substances in the air, the size of the air space that needs to be filtered, and the life of the required use and replacement of the poison filtration equipment. For example, the filter canister installed under the gas mask is very small, and it is a tank with a certain specification that can be matched with the gas mask. The filter tank installed on the air ventilation filter device is larger, and can be designed according to specific requirements or selected according to the specifications of existing products.

The filter substances filled in the filter tank need to be replaced regularly, and their varieties are determined according to factors such as dust, the type and content of the poison with rolling notice, and the time of regular and early replacement.

Detect whether the stored filter tank (haigu) is expired, mainly to observe the weight change of the filter tank, when a new batch of filter tanks is purchased, the first filter tank continues to weigh and record the weight, and the weighing operation is carried out during the later detection, once the weight of the filter tank is found to increase significantly, then the filter tank can not be used, this is because the filter tank absorbs the gas and the activated carbon.

The void in the tank is filled, which leads to an increase in the amount of heavy serving in the filter tank, therefore, when preserving the filter tank, pay attention to sealing and preservation, and plug the upper and lower mouths of the filter tank at the same time to prevent gas from entering.

in the use of gas masks.

How to detect whether the filter tank can not be used in the process, due to the different environment, different concentrations of toxic gas, etc., it is difficult for the filter tank to have a fixed use time, this time is mainly to talk about whether the filter can lose its effect by the feeling of the gas mask user, generally speaking, when the gas mask user in the work area obviously feels the increase in breathing resistance, or smells a peculiar smell, this time it means that the gas filter can no longer absorb the poisonous gas, at this time to immediately withdraw from the toxic environment.

When the breathing resistance is significantly increased, it indicates that the filter tank is about to lose its effect, and the idle filter tank can be stored for 2-3 years.