First, the hose connection. When the fire hose is put on the hose interface, it must be padded with a soft protective material, and then tied tightly with galvanized iron wire or hose hoops.
Second, use of water hose. When using a fire hose, the high-pressure hose should be connected close to the water pump. The water-filled hose should be prevented from twisting or sudden bending, and the hose interface should be prevented from being damaged by collision.
Third, lay the water belt. When laying water hoses, avoid sharp objects and various oils. When laying water hoses vertically to high places, use hose hooks. When laying water hoses through traffic arteries, water hoses should be used to protect bridges and pass through railways. When moving, the water belt should pass under the track to prevent the water belt from being crushed by the wheels and interrupting the water supply.
Fourth, prevent freezing. In severe winter, when the water supply needs to be suspended on the fire ground, in order to prevent the water belt from freezing, the water pump needs to run at a slow speed to maintain a small water output.
Fifth, clean the water belt. After use, the water belt must be cleaned. The water belt that transports foam must be carefully washed to protect the glue layer. In order to remove the grease on the water belt, you can wash it with warm water or soap. For frozen water belts, you must first melt them, then wash and dry them. Undried water belts should not be rolled up and stored.
Notes on folding and editing this paragraph
Fire hose is a hose used to transport water at firefighting sites. According to the material, it can be divided into lined fire hoses and unlined fire hoses. Among them, unlined fire hoses have low pressure resistance, high resistance, are prone to water leakage, are prone to mildew and rot, and have a short lifespan, so they are suitable for laying in fire scenes inside buildings; lined hoses are resistant to high pressure, wear, mildew and rot, and are durable. It is durable, not easy to leak, has low resistance, can be bent and folded at will, and can be moved at will. It is easy to use and is suitable for laying outside fire scenes and connecting fire trucks.
When using fire hoses, please note:
1. Sudden twists and turns should be avoided during laying to avoid reducing the ability to withstand water pressure; twisting should also be avoided to prevent the hose from rotating after being filled with water and causing the internal buckle hose interface to disengage.
2. After filling with water, avoid forcibly dragging it on the ground. When you need to change the position, lift it and move it as much as possible to reduce the wear and tear between the water belt and the ground.
3. Avoid contact with corrosive chemicals such as oil, acid, alkali, etc.
4. Cotton or linen hose should be used in areas where there may be flames or strong radiant heat.
5. Clean it after use, hang the unlined hose in the sun, and store it in a cool, dry place after drying.
6. If any damaged holes are found during use, wrap them tightly with water tape and darn or glue them as soon as possible afterwards; when obvious damage occurs, you should withdraw from combat readiness immediately.
7. When vehicles need to pass through the water belt being laid, water belt bridge protection should be installed at the passing location in advance.
8. If you need to pass the railway when laying, you should pass under the railway track.
9. Lined hoses should be used on the outside of buildings in cold areas to prevent the hoses from freezing.
Fire hose accessories
Hose accessories mainly refer to the accessories necessary for connecting and using fire hoses, including interfaces, water distributors, etc.
1.Interface
The interface is the joint where the water hose is connected to the hose, fire pump, fire hydrant or mobile water monitor. Mainly include hose interface, pipe thread interface, valve cover, internal thread fixed interface, external thread fixed interface, reducing interface, special-shaped interface, etc.
Please note when using:
(1) When using and storing, avoid falling, bumping and heavy pressure to prevent deformation and making assembly and disassembly difficult.
(2) Before connection, the chute and sealing parts should be carefully checked. If there is sludge, sand and other debris, they must be removed in time to prevent assembly and disassembly difficulties and poor sealing.
(3) When connecting the internal buckle interface, insert the claw into the chute and then turn it fully clockwise. When connecting the hose, it is also necessary to straighten the hose to prevent the hose from twisting and causing the interface to detach on its own.
(4) When connecting the plug-in interface, you should insert it until you hear the sound of the spring pin of the female interface extending into the slot of the male interface to ensure a reliable connection.
(5) When storing, be careful to avoid contact with chemicals such as acids and alkalis to prevent corrosion of metal parts and deterioration of rubber seals.
2.Water separator
The water distributor is a connecting device that divides the water flow from the outlet line into the branch line water flow. According to the number of branch lines, it can be divided into two parts of water, three parts of water and four parts of water.
(1) Structure
Each water distributor has a water inlet and several water outlets, which can be used simultaneously or separately. The interfaces are all internal buckle types. The water outlets are equipped with stop valves or ball valves, which can be closed at any time to control the water flow and facilitate the addition and replacement of branch line hoses.
(2)Use and maintenance
Before use, check whether the interface seals and valves are complete and functional. In severe winter, we must try to keep it warm to prevent freezing failure. Rinse thoroughly with clean water after use.
