Notice slogan of steam operation

First, the purpose of making emergency plans for accidents

Second, the boiler, boiler room and surrounding conditions

Third, the harm and distribution of boiler room

Fourth, the main hazards and prevention

Five, the main danger of steam boiler emergency treatment

Disposal procedure of intransitive verbs

Seven, the main points of accident treatment

Eight, emergency evacuation plan

Nine, emergency end

X. Organization and division of labor

First, the purpose of making the emergency plan for this accident

In order to conscientiously implement the safety production policy of "safety first, prevention first", adhere to the people-oriented principle, effectively prevent accidents, make scientific, reasonable and orderly accident preparations in case of accidents, and reduce personnel and property losses, this plan is formulated in combination with the actual situation of the unit.

Second, the boiler, boiler room and surrounding conditions

1, boiler model:

2. Boiler room (building area, doorway):

3, the surrounding situation

(1) Surrounding buildings, personnel distribution, storage of dangerous goods, etc.

(2) Conditions of roads, water sources, fire exits and fire fighting equipment.

Third, the harm and distribution of boiler room

1, the steam boiler has the following hazards:

Accidents such as overpressure, water shortage and tube explosion may occur when the steam boiler runs under special circumstances. If not handled properly, it will cause the boiler to explode.

When the boiler explodes, the drum ruptures, and the steam-water mixture with certain pressure in the boiler rushes out from the rupture, and its energy is immediately released, instantly reduced to atmospheric pressure and rapidly expanded and vaporized, resulting in huge force and shock wave. With a loud noise, the furnace body was thrown up, the building was damaged and people nearby were seriously injured. The destructive power of boiler explosion mainly depends on the pressure during explosion and the volume of saturated water.

Cause of explosion:

(1) The working pressure of the boiler exceeds the bearing pressure of the boiler. Due to illegal operation, failure of boiler safety accessories or failure of safety interlock device, the operating pressure exceeds the boiler bearing pressure, resulting in rupture and explosion.

(2) The pressure components of the boiler are defective or damaged, which reduces their own pressure and leads to rupture and explosion.

2. The boiler room has the following dangers:

(1) The boiler explosion caused the house to collapse;

(2) fire caused by boiler explosion, etc.

3. The surrounding buildings have the following dangers:

(1) The boiler explosion caused the surrounding buildings to collapse;

(2) The fire in the boiler room causes the fire in the surrounding buildings;

(3) The explosion and fire caused by the secondary explosion of surrounding dangerous goods, inflammable and explosive goods and the diffusion of toxic gases.

Four, the main danger of steam boiler emergency treatment

1, hazard monitoring

Boiler monitoring: the steam boiler is inspected regularly and the pressure, water level, temperature and combustion are monitored at any time to control the boiler operation. And take timely measures to ensure safety.

2, steam boiler operation under special circumstances:

(1) boiler is short of water

Phenomenon: When the boiler is short of water, the water level in the water level gauge is lower than the limit water level, so it cannot be seen. The water level alarm sends out a low water level alarm, and the bell rings and the light is on. The low water level interlock stops the blower and induced draft fan. When the exhaust temperature of the boiler rises and the water shortage is serious, the smell of coke lake will be produced at the top of the boiler. From the oven door, you can see the red-hot water wall tube, and the furnace tube is deformed or even burst, and you can hear the blasting sound. Steam and smoke spewed from the oven door.

Treatment: When it is judged that there is a serious water shortage, the boiler should be stopped urgently, and it is forbidden to inject water into the boiler with a serious water shortage. Immediately stop the fuel supply, stop blowing to weaken the induced draft fan, pull the coal in front of the grate out of the furnace, and open and close the grate to the maximum extent, so that the combustion products can quickly fall into the slag hopper and be doused by water. After the fire is extinguished, stop the induced draft fan and open the ash door and oven door to accelerate cooling. Note: It is forbidden to supply water to the boiler, take measures to quickly reduce the pressure to prevent the accident from expanding, and do not pour water into the furnace to put out the fire.

② Boiler overpressure

Phenomenon: the steam pressure rises sharply, exceeding the allowable working pressure, and the pressure gauge pointer exceeds the "red line". After the safety valve acts, the pressure is still rising, and an overpressure alarm signal is sent out, so that the steam temperature rises and the steam flow decreases.

Treatment: reduce combustion quickly, manually open the safety valve or vent valve, increase water supply and sewage discharge (pay attention to maintain the normal water level of the boiler at this time), and reduce the water temperature of the boiler to reduce the pressure of the drum.

(3) boiler tube explosion

Phenomenon: when the water wall bursts, obvious blasting sound or jet sound can be heard, the furnace changes from negative pressure combustion to constant pressure combustion, and the furnace door, furnace door and other imprecise places spray furnace smoke and steam. Although the water supply increased, the normal water level was difficult to maintain and the air pressure decreased, the water supply was abnormally greater than the steam supply, the exhaust temperature decreased, the chimney emitted white smoke, the furnace temperature decreased or even went out, and water flowed out from the bottom of the boiler.

Treatment: the rupture of the furnace tube is not serious, and the water level can be maintained. When the accident does not expand, the load can be reduced in a short time. If the explosion is serious and the water level cannot be maintained, the boiler must be stopped urgently. However, induced wind should not be stopped, and water supply should be continued to reduce the temperature of the pipe wall. For example, when the pipeline wall is overheated due to lack of water and the pipeline bursts, the boiler should be stopped urgently. It is forbidden to supply water to the boiler, and the residual fire in the boiler should be drained as soon as possible to reduce the furnace temperature and reduce the overheating degree of the boiler.

(4) Steam boilers will also produce accidents such as full water and soda water, and effective measures should be taken in time to eliminate them.

(5) In the operation of the boiler, in case of any of the following circumstances, stop the boiler immediately:

(a) the boiler water level is lower than the lowest visible edge of the water gauge;

(two) continue to increase water supply and take other measures, but the water level continues to decline;

(three) the boiler water level exceeds the highest visible water level, and the water level cannot be seen after the water is discharged;

(four) feed water pump failure or water supply system failure, can not send water to the boiler;

(five) the water level gauge or safety valve all failed;

(6) All pressure gauges set in the steam space are invalid;

(seven) boiler parts are damaged and endanger the safety of operators.

Five, the main dangers and prevention

1. The boiler is not inspected regularly on schedule, and the safety status is unknown-whether the inspection is carried out on time.

2, boiler water quality does not conform to the regulations, water treatment can not meet the requirements-measures to improve water quality and water treatment.

3. The safety valve was not inspected on time-it was submitted for inspection on time.

4. The safety valve is rusted-strengthen maintenance and open it manually on a regular basis.

5. The pressure gauge is damaged or has not been measured beyond the time limit-replace it or send it for inspection.

6. Managers and operators are uncertified and unskilled-send them for training and strengthen internal certification.

7, boiler room is not in conformity with the provisions-rectification

Disposal procedure of intransitive verbs

In the operation of the boiler, if there are safety accidents such as water shortage, boiler overpressure and boiler tube explosion, the situation will continue to expand out of control after being handled by the operators according to the operating rules and accident treatment measures. In case of boiler explosion or possible boiler explosion, the first discoverer will report to the personnel on duty to explain the accident and the current emergency rescue treatment.

Call the police.

(1) The first discoverer (the person on duty) immediately calls the nearest phone-call the police.

Alarm telephone number:110119120.

(2) Report the accident to the emergency commander (deputy commander) by telephone.

Emergency phone list:

Receiving report

The receiver should ask the name, unit and telephone number of the informant; Asking about the time, place and reason of the accident; Report to the relevant superior departments and make phone records.

Set up a rescue team

(1) After receiving the alarm call, the emergency commander or deputy commander shall immediately notify the emergency command leading group and relevant members to arrive at the scene of the accident.

(2) After receiving the notice, members of the emergency leading group immediately organize their own staff and emergency rescue equipment, and then rush to the scene of the accident, report to the site commander-in-chief, accept the task, understand the disaster situation at the scene, and implement unified rescue work.

D) Conduct emergency rescue according to the division of labor.

Seven, the main points of accident treatment

A) When the boiler is found to be seriously short of water, it should be stopped urgently and the furnace will explode. The boiler shall immediately stop fuel supply and combustion, and it is forbidden to feed water into the boiler.

B) Emergency stop the furnace tube after violent blasting.

C) In case of furnace explosion and secondary combustion, immediately cut off the fuel supply, stop the induced draft fan and close the flue door.

D) When fuel oil and heat transfer oil leak, cut off the oil inlet (outlet) valve immediately and take corresponding fire extinguishing measures.

E) In case of serious explosion of the boiler, relevant personnel shall be rescued in time to prevent the building from continuing to collapse and hurting people, and the fire shall be put out correctly according to the fire control requirements to prevent the surrounding inflammable and explosive articles from exploding again.

Eight, emergency evacuation plan

principle

When the accident danger appears, the on-site commander should first evacuate irrelevant personnel from the danger zone;

As long as the accident is out of control and involves the safety of employees, immediately issue an emergency evacuation order, which can only be issued by the emergency commander;

The commander of the dangerous scene confirmed that all rescuers on the scene had evacuated before leaving.

After the evacuation order is issued, according to the location and direction of the accident, evacuate quickly with the shortest route and the least time. Under special circumstances, you can climb over the wall or take other measures to evacuate.

Emergency evacuation procedure

(1) In the process of emergency rescue, the emergency commander should always pay attention to the change of accident danger, and if the danger is out of control, he should give an emergency evacuation order;

(2) After the emergency evacuation order is issued, it should be conveyed to everyone in each department in time, and each department should organize personnel to evacuate quickly;

(3) Evacuation should be carried out in an orderly manner according to the emergency evacuation route.

Emergency evacuation road map

D) Main methods of emergency evacuation and self-rescue.

Under normal circumstances, most people in distress can safely evacuate or save themselves and get out of danger. Therefore, we must strengthen our awareness of self-help, do not panic, observe calmly, and strive for feasible measures to evacuate and save ourselves.

(1) When evacuating, if there are many people or poor visibility, people familiar with the layout of evacuation passages should leave the scene of the accident quickly. The team leader can use a rope to evacuate people to the outdoor or a safe place by shouting "Come with me" or pulling the skirt back and forth.

(2) When you are trapped by smoke on the way out of the accident site, because the smoke generally flows upward and the smoke on the ground is thin, you can try to walk in a low posture or crawl in the smoke; If possible, cover your nose and mouth with a wet towel or breathe through your nose with a short breath and quickly evacuate the smoke area.

(3) When there is a fire downstairs, people upstairs should not panic, and strive for correct self-help measures according to different situations at the scene.

In case of fire, you should take off your coat and hat as soon as possible. If it's too late, you can tear off your clothes and throw them away. Remember not to run, it will make the fire on your body burn more and more brightly, and take the fire to other places, causing new ignition points; If you are on fire, you can lie down and roll around to put out the fire. The people present can help put out the fire.

Nine, emergency end

After the accident is controlled and the hidden danger of the accident happening again is eliminated, the emergency is over. Work office is responsible for accident summary, duty records and other materials summary and filing, reporting materials drafting. Report to the local government and relevant departments in accordance with relevant regulations.

X. Organization and division of labor

1. Our company has (or may have) a major accident of boiler equipment that caused three deaths or more than six casualties;

2. The boiler equipment accident happened in our company with particularly bad nature and economic loss of more than 6,543,800 yuan, which caused serious social impact.

The emergency rescue command leading group established by this unit consists of the following personnel.

chief director

Deputy commander

On-site disposal group alert evacuation group logistics support group medical rescue group communication liaison group

Team leader, team leader, team leader

Team member team member team member team member team member team member

Responsibilities and division of labor

Commander in chief:

1. Determine a reliable and effective emergency plan and issue emergency orders.

2, responsible for reporting to the superior departments and leaders.

3, command and mobilize the field personnel and equipment, coordinate the cooperation of each team.

Deputy commander:

1, to assist the commander in chief in carrying out the rescue plan.

2, according to the commander in chief instructions, assist the commander in chief, command the rescue work.

3, in the absence of the commander in chief, full command of emergency rescue work.

On-site disposal team:

1, under the unified command, correctly handle on-site accidents according to accident handling procedures, and minimize losses.

2. Ensure the safety of personnel during on-site disposal, including their own safety.

Alert evacuation team:

1, responsible for arranging security alert to ensure orderly scene, implementing traffic control and ensuring smooth roads;

2, strengthen security work, prohibit irrelevant personnel vehicles.

3. Command evacuation in case of emergency.

Logistics Support Group:

1, responsible for the supply of emergency materials under emergency conditions;

2, responsible for ensuring traffic.

Communication contact group:

1, responsible for communication in the process of emergency rescue to ensure smooth communication, and common telephones should be kept at hand to ensure timely provision to relevant parties in case of emergency.

2, responsible for the coordination within each group and contact and coordination with external institutions.

Medical rescue team:

1, responsible for contacting medical institutions;

2. Organize ambulance vehicles, medical personnel and equipment to enter the designated place;

3, organize the scene to rescue the wounded.