How to use and maintain fire hydrants?
Indoor fire hydrant is a fixed fire fighting water supply equipment used inside buildings. It includes fire hydrant and fire box. The fire hydrant and fire firebox usually setting and staircases, corridors and interior walls. There are hoses and water guns in the box and connected with the fire hydrant outlet. The hydrant is connected with the fire water supply pipeline in the building. Fire hydrant consists of hand wheel, valve cover, valve stem, car body, valve seat and interface. When the utility model is used, the door is opened by the key or the door glass is smashed according to the opening mode of the fire hydrant box door, and the lock head is turned on. If the fire hydrant no "emergency button", it should be under the pull out, and then the knob clockwise, open the door, open the door, take the gun, press the start button pump, rotary handwheel to open fire hydrant, fire hydrant, laying of water for fire fighting water.Attention should be paid to the maintenance and maintenance of indoor fire hydrants:1, regularly check whether the fire hydrant is in good condition, whether there is rust or water leakage.2. Check whether the interface washer is intact.3, fire hydrant stem should be filled with lubricating oil.4, regular water inspection, to ensure that when the fire can open the water in time.5. After the fire, wash and dry the hose and put it into the box by reel or fold,Put the water gun in the gun clip, install the box lock, change the glass, close the box door.6, should regularly check the reel, water gun and hose is damaged, the valve, reel rotation is flexible, found problems should be promptly repaired.7, regularly check the fire hydrant box door is damaged, the door is open and flexible, ring seal is damaged, water wheel frame is intact, whether the case of rust. The problem should be replaced and repaired in time.
Underground fire hydrant and ground hydrant have the same function. They provide pressure water for fire engines and water guns. The difference is that the underground fire hydrant is installed under the ground. It is precisely because of this, therefore, the underground fire hydrant is not easy to freeze, it is not easy to damage. The use of underground fire hydrant can be carried out on the ground hydrant. But because the target of the underground fire hydrant is not obvious, the obvious sign should be set up near the underground fire hydrant. When the utility model is used, the fire hydrant cover is opened, the stuffy cover is unscrewed, the connecting port or the water band of the hydrant and the water suction pipe are connected, and the valve plug is opened with a special wrench to drain water, and the utility model needs to be restored after use
The outdoor fire hydrant is connected with the town water pipe network, which can be used for fire trucks to draw water, and can be connected with hose, water gun and direct water to extinguish fire. There are two kinds of outdoor hydrant, ground hydrant and underground hydrant. Ground fire hydrants are used in areas with warmer climates, while underground fire hydrants are suitable for areas with cold climates.1. Ground hydrantThe hydrant mainly consists of bent seat, valve seat, drain valve, flange connecting pipe, headstock, car body and interface. In the use of ground fire hydrant, fire hydrant with key wrench set in after the opening and closing rod at the upper end of the shaft of the heart, anticlockwise hydrant key, the valve can be opened, the water from the outlet. When the hydrant key is turned clockwise, the valve is closed and the water is no longer flowing out of the water outlet.Daily maintenance and maintenance of ground hydrant:(1) monthly fire hydrant should be checked once.(2) clear the trash around the headstock.(3) apply the special hydrant key to the rod head, check whether it is suitable, turn the headstock and lubricate the grease.(4) with the product outlet thread on the rust gauze wipe, check the door cover rubber gasket is intact.(5) open the fire hydrant, check the water supply situation, put the net rust water and then close, and observe whether there is water leakageProblems are promptly repaired.
