A fire extinguisher consists of a cylinder, head, nozzle, and other components. With the help of driving pressure, the filled fire extinguishing agent is sprayed out to achieve the purpose of extinguishing the fire. According to regulations, fire extinguishers should be regularly repaired and have a certain service life, and should be scrapped after the service life.

以下幾點可以幫助您確定何時應報廢滅火器：

The following points can help you determine when to dispose of fire extinguishers:

堵塞消防通道會有什么隱患

What are the safety hazards of blocking fire exits

1.滅火器和氣瓶的外觀和螺紋部位嚴重腐蝕，從而影響強度和性。

1. The appearance and threaded parts of fire extinguishers and gas cylinders are severely corroded, which affects their strength and safety.

2.氣缸由于使用不當而嚴重變形（例如劇烈顛簸）。

2. The cylinder is severely deformed due to improper use (such as severe turbulence).

3.液壓試驗后有滲漏（不允許補焊）。

3. There is leakage after hydraulic test (repair welding is not allowed).

4.液壓試驗后，氣缸變形率等于或大于6％。

4. After the hydraulic test, the cylinder deformation rate is equal to or greater than 6%.

5.內部帶扣頭沒有（或未安裝）排氣螺釘和固定螺釘。

5. The internal buckle head does not have (or is not installed) exhaust screws and fixing screws.

6.結構不合理（如筒體平底，儲氣瓶外置而進氣管從筒體進入筒身內部的干粉滅火器）。

6. Unreasonable structure (such as a dry powder fire extinguisher with a flat bottom cylinder and an external gas storage cylinder while the intake pipe enters the interior of the cylinder).

7.沒有生產許可證的制造商生產的，沒有制造商的名稱和工廠的年份和月份。

7. Manufactures without a production license, without the name of the manufacturer and the year and month of the factory.

8.對于帶手動閥的二氧化碳滅火器，需要更換壓把式閥門。

For carbon dioxide fire extinguishers with manual valves, it is necessary to replace the pressure handle valve.

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