1, adopt emergency measures after the coal face roof fall occurred
1) Rapid evacuation.
2) Avoid in time.
3) Call for help immediately.
4) Cooperate with rescue.
2. Emergency measures for the person who is blocked by the top of the road
1) Face the situation and calmly cope.
2) Do everything possible and seek relief.
3) Maintain the living conditions of the trapped location.
3. Method for rescuing people in distress after a roof accident occurs at the coal mining face
1) Suspend power supply to electromechanical equipment near the landing zone.
2) Check and maintain the safety of the landing site and its vicinity (whether the support is firm? Is there any gas escaping? Is there any danger of falling again?) to ensure the safety of the rescue personnel during the disaster relief, and there is smooth, Safe retreat.
3) When the range of the fall is not large, if the person in distress is pressed by the large piece of meteorite, the large rock can be supported by tools such as hydraulic jacks, and the person in distress can be rescued.
4) If the top plate falls along the coal wall, the rock mass is relatively broken. When the person in distress is close to the coal wall position, a small hole can be made from the outer roof to the inner wall along the coal wall. (If the person in distress is close to the topping area, then The trapping shed is set up from the outside to the inside of the cave. (The gangs of the landscaping area must be backed with wooden boards to prevent leakage of ochre). The side walls are supported and the rescued personnel are rescued.
5) Slicing Face Roof occurs, a seam floor, the position of the persons in distress or the genus Vitex leave the top web beneath the gold, can dig holes along the bottom seam, side support hole Cutting edge, close to the persons in distress after It was rescued.
6) If the bottom plate is rock, when the position of the insurer is below the metal net or the false roof, you can approach the distressed person along the small hole in the coal wall, and then take measures according to the situation (such as using a wind to smash a small hole in the bottom plate) Etc.) Arrive at the person in distress and rescue him.
7) If the working face and the lower exit fall at the same time, or the middle of the working face has a large range of falling, and the person is blocked in the middle, when the small hole is long and unsafe, the method of re-opening the eye along the coal seam can be used. And save people.
4. Rescue method for the blocked personnel after a large area of ​​roofing occurred in the heading face
1) Suspend the power supply of electromechanical equipment near the roof area.
2) Use fresh air, water and food to the location of the person to be separated by means of air ducts, water pipes and drilling.
3) According to the location of the person in danger of being blocked, it is determined to use the method of restoring the fallen roadway or bypassing to reach the disaster-stricken place for the rescue.
Pouch with perforated hole
This kind of bag has high requirements on material and technology, because of a round hole that can be inserted through a straw is needed to be injected in the middle of the bag. Such a bag type is generally used for liquids such as beverages and juices.
It is generally recommended that the material is pure aluminum, and a lot of space is also required at the top. The advantage is that the volume is relatively small, convenient storage and transportation, and reduce transportation costs.
Today, consumers can choose from a wide variety of creative beverage options.What type of beverage you are bringing to market? we can help you select packaging and finishing options that are creative, eye-catching, and a practical choice for consumers.
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