When the gas concentration exceeds 1.0%, it is forbidden to shoot.
Question 2: What do you mean by one gun and three inspections in a coal mine? When blasting in a high gas mine, the blaster, team leader and gas inspector must carry out "one shot, three inspections" and "three-person chain treatment" on the spot.
The system of "one gun and three inspections" means that the gas near the blasting site should be carefully checked before charging, before blasting and after blasting. When the gas exceeds 1%, no shooting is allowed.
"Three-person chain treatment" means that before blasting, the blaster gives the warning card to the team leader, and the team leader sends someone to check the roof and support, and gives the blasting command card he carries to the gas inspector. After the gas inspector checks that the gas and coal dust are qualified, he will give the blasting card he carries with him to the blaster, and the blaster will send out a blasting whistle for shooting. After shooting, the three certificates will be returned to the original owner.
Question 3: What is the "one gun, three inspections" system? One shot and three inspections refer to checking the gas concentration within 20m of the shooting site before charging, before shooting and after shooting in the mining face. When the gas concentration reaches 65438 0%, the loading work must be stopped.
Question 4: What is the "one gun, three inspections" system? Three inspections in one shot refers to checking the gas concentration within 20 meters of the shooting site before charging, before shooting and after shooting in the mining face. When the gas concentration reaches 65438 0%, the loading work must be stopped.
Question 5: What does "one gun and three inspections" mean in coal mines? Please pay attention to the blasting operation in 3Q gas mine. Blasters, team leaders and gas inspectors must carry out "one shot, three inspections" and "three-person chain treatment" at the scene. The system of "one gun and three inspections" means that the gas near the blasting site should be carefully checked before charging, before blasting and after blasting. When the gas exceeds 1%, no shooting is allowed. "Three-person chain treatment" means that before blasting, the blaster gives the warning card to the team leader, and the team leader sends someone to check the roof and support, and gives the blasting command card he carries to the gas inspector. After the gas inspector checks that the gas and coal dust are qualified, he will give the blasting card he carries with him to the blaster, and the blaster will send out a blasting whistle for shooting. After shooting, the three certificates will be returned to the original owner.
Question 6: What exactly does one explosion and three inspections mean? All underground mining faces and other blasting sites should conscientiously implement the "one explosion and three inspections".
Inspection "work, that is, gas inspection before drug punishment, before blasting and after blasting.
Question 7: How to understand the gas management system of one shot, three inspections and three people chain blasting in the blasting process? One shot and three inspections means to check the gas concentration within 20 meters of the blasting site before charging, before shooting and after shooting in the mining face. When the gas concentration reaches 65438 0%, the charging and shooting work must be stopped.
The shooting system of "one gun, three inspections and three chains";
1, the gas inspector must, in accordance with the provisions of the gas inspection system and the blasting management system, earnestly perform the duties of gas patrol inspection and "three inspections in one shot" (gas inspection before charging, before blasting and after blasting). When the gas in the workplace exceeds the limit, the gas inspector has the right to immediately stop the work at the site, and the production team must obey unconditionally.
2. The stemming of the blasthole should be water stemming, and the blasthole other than water stemming should be closed with clay stemming or stemming made of incombustible and plastic loose materials. The length of lute must meet the requirements of regulations.
3, no mud, mud hole blasting is strictly prohibited, it is forbidden to put paste gun, it is forbidden to use cover medicine, pad medicine. Every underground blasting operation, we must strictly implement the "three-person chain" blasting system, which is chained by the blaster, gas inspector and monitor. 4, strictly implement the system of blasting from people.
5. Charge blasting is allowed only when the gas concentration in the airflow within 20m near the blasting site is less than 65438 0%.
6, every time the underground blasting operation, by the blaster, gas inspector and monitor three chain blasting operation, lack of one person shall not work.
7. After blasting, the gun smoke in the working face is blown away. The blaster, gas inspector and team leader must first check the blasting site, and check the ventilation, gas, coal dust, roof, support, misfire and residual gun, etc. Only when everything meets the requirements can production be resumed.
Question 8: Safety knowledge test circle and answer 1. What is the party's security policy? A: Safety first, prevention first. 2. When was the Law on Work Safety adopted at the 28th session of the Ninth National People's Congress officially implemented? A: It was officially implemented on June 1 1 2002. 3. When was the Mine Safety Law promulgated and implemented? A: 1 992165438+1released on October 71993 may1implemented. 4. What is the responsibility for production safety? Answer: It means that the production and business operation entity, the principal responsible person of the production and business operation entity and other relevant responsible persons shall bear administrative, civil and criminal responsibilities due to production safety accidents or other illegal acts in production safety. 5. What is the necessity and urgency of enacting the Law on Work Safety? A: First, the formulation of the Law on Work Safety is based on strengthening supervision and management, which is the need of administration by safety supervision and management departments at all levels according to law. Second, the formulation of the Law on Work Safety is necessary to prevent and reduce accidents and protect people's lives and property. Third, the formulation of the Law on Work Safety is the need to punish illegal and criminal activities in work safety according to law. Fourthly, the formulation of the Law on Work Safety is the need to establish and improve the legal system of work safety in China. 6. What are the three principles of coal mine production? Answer: Coal mine safety regulations, operation regulations and technical operation regulations for coal mine safety. 7. What is the legislative purpose of the Mine Safety Law? Answer: Ensure mine production safety, prevent mine accidents, protect the personal safety of mine workers and promote the development of mining industry. 8. What are the four levels of coal mine legal system? A: Laws, administrative regulations, local regulations and departmental administrative regulations. 9, the new version of the "coal mine safety regulations" is what organization issued, when to implement? A: The new version of Coal Mine Safety Regulations was issued by the State Administration of Coal Mine Safety on September 28th, 20001year, and came into force on October 28th, 20001year1year. 10. What is the content of the security check? Answer: Check leaders, ideas, systems, management and hidden dangers. 1 1. What do you mean by "three simultaneities" in mine construction projects? Answer: The safety facilities of mine construction projects must be designed, constructed and put into production and use at the same time as the main project. 12, what are the common phenomena of rockburst? Answer: When coal (rock) is destroyed, cracks may appear at the edge of coal (rock) accompanied by vibration and sound, and dust may fly during vibration, accompanied by the phenomenon that coal (rock) is ejected or scattered in the roadway. 13. What does the "three no harms" often mentioned in coal mine production mean? A: Don't hurt yourself, others, or be hurt by others. 14, what are the responsibilities of the district, team and team leader for the safety work within their respective jurisdictions? A: Take direct responsibility. 15. What rights do workers have at the working face? A: Workers have the right to immediately stop working in workplaces that threaten life safety and are toxic and harmful, and evacuate to safe places. Workers have the right to refuse to work in such places when the danger is not handled and personal safety cannot be guaranteed. 16, what kind of personnel access system must be established in each mine? A: It is necessary to establish a physical examination system for personnel entering the well and a counting system for personnel leaving the well. 17. What are the five major natural disasters in coal mine production? Answer: It refers to water, fire, gas, coal dust and roof accidents. 18, what is a peripheral eye? Answer: It is used for caving rocks, forming roadway design sections and determining the blastholes formed in the roadway. 19, what is the role of cutting in tunneling faces? A: Add auxiliary free-form surfaces. 20. What matters should be paid attention to by drilling assistants in tunneling faces? Answer: Stay away from the eye hole, stand on the side of the drilling rig, and don't ride on the drilling rig to avoid breaking the drill pipe and hurting people. 2 1, what is the content of "one clean and three neat" after drilling in tunneling faces? Answer: "Clean" means that drilling tools and feng shui pipes are removed from the working face; "Trinity" means that the recovered cables are hung neatly, the recovered geomantic pipes are placed neatly by a group of trays, and the recovered drilling tools are stored neatly. 22. What are the signs of roadway roof caving? Answer: the main signs are: new cracks or fractures appear in the rock, and when struck with a long tool, a dull thump sounds; The rock makes a crisp fracture sound; Small stones fell, and broken coal fell from the roof above the coal roadway support. 23, local ventilation unit can replace the main ventilator for ventilation? Why? Answer: No, the local ventilation unit cannot guarantee the stability of mine air supply. 24. Under what circumstances can diffusion ventilation be used in underground cavity? Answer: If the chamber depth is less than 6m, the entrance width is not less than 1.5m and there is no gas emission, the diffusion ventilation mode can be adopted. 25. Miners ... >>
Question 9: What does "one gun and three inspections" mean? "One shot and three inspections" means that the gas inspector checks the gas concentration in the airflow near the blasting site before charging, before blasting and after blasting.
When the gas concentration exceeds 1.0%, it is forbidden to shoot.
Question 10: What do you mean by "one gun, three inspections"? When blasting in a high gas mine, the blaster, team leader and gas inspector must carry out "one shot, three inspections" and "three-person chain treatment" on the spot.
The system of "one gun and three inspections" means that the gas near the blasting site should be carefully checked before charging, before blasting and after blasting. When the gas exceeds 1%, no shooting is allowed.
"Three-person chain treatment" means that before blasting, the blaster gives the warning card to the team leader, and the team leader sends someone to check the roof and support, and gives the blasting command card he carries to the gas inspector. After the gas inspector checks that the gas and coal dust are qualified, he will give the blasting card he carries with him to the blaster, and the blaster will send out a blasting whistle for shooting. After shooting, the three certificates will be returned to the original owner.