Emergency Rescue Plan of Chemical Industry Co., Ltd.
Introduction
This plan is based on Article 69 of the "Work Safety Law" stipulating that "the production of hazardous chemicals The unit shall establish an emergency rescue organization." Article 50 of the "Regulations on the Safety Management of Hazardous Chemicals" stipulates that "Hazardous chemical units shall formulate their own emergency rescue plans..." and the "Hazardous Chemical Accidents" prepared by the State Administration of Work Safety. According to the requirements of "Guidelines for Preparing Emergency Rescue Plans (Unit Edition)", in order to ensure the safe production of the enterprise, the life safety of the entire company's employees and the surrounding people, and to prevent the occurrence of serious and extremely malignant accidents that cause mass deaths and injuries, the accidents must be handled and controlled in an orderly manner. , to reduce losses and hazards to a minimum, and are formulated based on the actual situation of the company.
This plan stipulates 18 aspects of emergency rescue objectives, organizational structure, etc. It is applicable to emergency rescue work for fires and chemical accidents within the company. This plan is drafted by the Safety and Environmental Protection Department of Hubei Xianlong Chemical Co., Ltd.
1 Basic information
Hubei Xianlong Chemical Co., Ltd. is a joint-stock enterprise integrating science, industry and trade after an overall restructuring from the original Pesticide Factory in Xiantao City, Hubei Province.
The company is designated by the former Ministry of Chemical Industry, a key pesticide manufacturer in Hubei Province, and one of the top 50 pesticide companies in the country. The company covers an area of ??103,000 square meters, has 1,700 sets (sets) of various production and inspection equipment, and has an annual production capacity of 10,000 tons. There are currently 625 employees, including 212 professional and technical personnel of various types, including 135 engineering technicians. We have built production lines for the original drugs such as aminophos, isosaphos-methyl, imidophos, myclobutanil, acetylinate, paraquat, insecticidal bis(mono), dichlorvos, etc. We also produce 12.5% ??myclobutanil. , 40% aqueous amine, 40% isosulfate, 73% acetylenofate, 40% chlorpyrifos, 20% imidophos, phosphorus trichloride and other more than 20 preparations, as well as fine chemicals such as pharmaceutical intermediates and dye intermediates. product.
The flammable, explosive, toxic and harmful hazardous chemicals used and produced by the company have potential risks of accidents such as fire, explosion and poisoning. The raw materials used include toluene, xylene, methanol, ethanol, etc., which are stored centrally in the company's storage tank area. The normal storage capacity is 1,000 cubic meters, and the maximum storage capacity is 1,000 cubic meters. A single storage tank has a minimum of 35 cubic meters and a maximum of 50 cubic meters.
The company is located at No. 36, Yanhe Avenue East, Xiantao City. The gate faces west, close to Yanhe Avenue and the Han River, and to the south is the Hewan Transfer Station, the Stone and Sand Market, and the coal yard of the fuel company. It is not far from the residents. The area is 1000 meters away, with a fertilizer factory to the north and Howan farmland to the east. There are no schools within 2 kilometers and no dense residential areas within 1 kilometer. The factory is located in the Jianghan Plain and has a north subtropical monsoon climate. The dominant wind direction throughout the year is northeasterly wind.
The company regards quality as the life of the enterprise and strives to create the image of "Xiantao Brand" high-quality products. It has advanced testing equipment such as liquid chromatography, gas chromatography, electronic balance, electronic moisture analyzer and a number of high-quality products. Quality inspection team.
The company passed ISO9002 international quality system certification in July 2000. The "Xiantao Brand" trademark was rated as a famous trademark in Hubei Province. In 2000, it was awarded the title of "Clean and Civilized Factory" by the National Chemical Pollution Prevention and Control Technology Association. The Provincial Department of Science and Technology awarded the title of "High-tech Enterprise".
2 Dangerous targets, their dangerous characteristics, and their impact on surroundings
2.1 Determination of dangerous targets
According to the "Safety Assessment Report" and the identification results of major hazard sources , the company identified the dangerous storage tank area, phosphorus trichloride storage tank area, liquid ammonia storage tank area, and liquid chlorine cylinder storage area as dangerous targets No. 1, 2, 3, and 4. Among them, the dangerous storage tank area, The phosphorus trichloride storage tank area is the two major hazard sources No. 1 and No. 2. For other small-tonnage raw materials, intermediates and finished products, please refer to the "Safety Regulations".
There are 21 storage tanks in the critical storage tank area, which store flammable and explosive liquids such as toluene, xylene, methanol, ethanol, isopropyl alcohol, C10 (solvent oil) all year round, with a total storage capacity of 800 tons , daily storage of 400 tons. Among them, the total storage capacity of toluene is 100 tons, the total storage capacity of xylene is 100 tons, the total storage capacity of benzene is 50 tons, the total storage capacity of methanol is 200 tons, the total storage capacity of ethanol is 50 tons, and the total storage capacity of isopropyl alcohol is 60 tons. , the total storage capacity of C10 (solvent oil) is 240 tons, the storage capacity of a single storage tank is 40 tons, and the storage capacity of a single storage tank No. 21 is 240 tons.
The phosphorus trichloride storage tank area currently has two phosphorus trichloride storage tanks of 40 cubic meters, and daily stores 60 tons of phosphorus trichloride.
There are three 20 cubic meter storage tanks in the liquid ammonia storage tank area, two 3.5m3 storage tanks in the first cold workshop, one 3m3 storage tank, and a 3.5m3 storage tank in the second cold workshop. 1; 1 storage tank of 2m3; there are 2 storage tanks of 5m3 in the third cooling workshop. Daily storage of 35 tons of liquid ammonia.
The liquid chlorine cylinder storage area currently has 20 1-ton cylinders, with daily storage of 25 tons.
2.2 Based on the determined dangerous target, clarify its dangerous characteristics and impact on the surrounding area
2.2.1 The main hazardous characteristics of target No. 1 and its impact on the surrounding area
< p> Hazardous characteristics of toluene:[Physical and chemical properties]
Toluene is a colorless and transparent liquid with an aromatic smell similar to benzene. Melting point: -94.9℃, boiling point: 110.6℃, relative density (water = 1) 0.87, relative density (air = 1) 3.14℃, saturated vapor pressure (kpa): 4.89 (30℃), flash point: 4℃, explosion Lower limit: 1.2%, upper limit of explosion: 7.0%, ignition temperature: 535℃, minimum ignition energy (mJ) 2.5, maximum explosion pressure: 0.666MPa.
[Hazardous Characteristics]
It is flammable, and its vapor and air can form an explosive mixture. It can cause combustion and explosion when exposed to open flames and high heat. Can react strongly with oxidizing agents. If the flow rate is too fast, it is easy to generate and accumulate static electricity. Its vapor is heavier than air and can spread to a considerable distance from a lower place. It will cause backburning when exposed to an open flame.
[Health Hazards]
It is irritating to the skin and mucous membranes, and has an anesthetic effect on the central nervous system. Acute poisoning, inhalation of higher concentrations of this product in a short period of time may cause obvious irritation symptoms of the eyes and upper respiratory tract, conjunctival and pharyngeal congestion, dizziness, headache, nausea, vomiting, chest tightness, limb weakness, staggering gait, and confusion. Severe cases may have restlessness, convulsions, and coma. Chronic poisoning and long-term exposure may cause neurasthenia syndrome, hepatomegaly, abnormal menstruation in female workers, etc. Dry skin, chapped skin, dermatitis.
Hazardous characteristics of methanol
[Physical and chemical properties]
Methanol is a colorless liquid with irritating gas. Flash point 11℃, explosion limit 5.5-44%, ignition temperature 385℃, pungent odor, relative density (water = 1) is 0.791, melting point -97.8℃, boiling point 64.8℃, soluble in water, miscible in Most organic solvents such as alcohols and ethers.
[Hazardous Characteristics]
It is flammable, and its vapor and air can form an explosive mixture. It can cause combustion and explosion when exposed to open flames and high heat. Chemical reaction or combustion may occur on contact with oxidizing agents. In a fire, there is a risk of explosion from heated containers. Its vapor is heavier than air and can spread to a considerable distance from a lower place. It will cause backfire when exposed to an open flame.
[Health Hazards]
Methanol has an anesthetic effect on the central nervous system, has a special selective effect on the optic nerve and retina, causes lesions, and can cause metabolic acidosis. Acute poisoning can cause mild dizziness, fatigue, dizziness, drunkenness, and severe blindness. Chronic effects include neurasthenic syndrome, autonomic nerve dysfunction, mucous membrane irritation, vision loss, etc., and skin degreasing, dermatitis, etc.
Hazardous characteristics of xylene
[Physical and chemical properties]
Colorless and transparent liquid with an odor similar to toluene. Melting point: -25.5℃, boiling point: 144.4℃, relative density (water = 1) 0.88, relative density (air = 1) 3.66℃, saturated vapor pressure (kpa): 1.33 (32℃), flash point: 30℃, explosion Lower limit: 1.0%,
Explosion upper limit: 7.0%, ignition temperature: 463°C, maximum explosion pressure: 0.764MPa. Insoluble in water, miscible in most organic solvents such as ethanol, ether, and chloroform.
[Hazardous Characteristics]
It is flammable and its vapor and air can form an explosive mixture. In case of open flame or high heat, it can cause combustion and explosion. Can react strongly with oxidizing agents. If the flow rate is too fast, it is easy to generate and accumulate static electricity. Its vapor is heavier than air and can spread to a considerable distance from a lower place. It will cause backburning when exposed to an open flame.
[Health Hazards]
Xylene can irritate the eyes and upper respiratory tract, and can have an anesthetic effect on the central nervous system at high concentrations. Inhalation of higher concentrations of this product in a short period of acute poisoning may cause obvious irritation symptoms of the eyes and upper respiratory tract, conjunctival and pharyngeal congestion, dizziness, headache, nausea, vomiting, chest tightness, limb weakness, confusion, and staggering gait. Severe cases may cause restlessness, convulsions or coma. Some have hysterical attacks. Chronic effects: long-term exposure can lead to neurasthenic syndrome, female workers have abnormal menstruation, and workers often suffer from dry skin, chapped skin, and dermatitis.
Hazardous characteristics of ethanol
[Physical and chemical properties]
Colorless liquid with a wine aroma. Melting point: -114.1℃, boiling point: 78.3℃, relative density (water = 1) 0.79, relative density (air = 1) 1.59℃, saturated vapor pressure (kpa): 5.33 (19℃), flash point: 12℃, explosion Lower limit: 3.3%, upper limit of explosion: 19.0%, maximum explosion pressure: 0.735MPa.
[Hazardous Characteristics]
It is flammable and its vapor and air can form an explosive mixture. In case of open flame or high heat, it can cause combustion and explosion. Can react strongly with oxidizing agents. If the flow rate is too fast, it is easy to generate and accumulate static electricity. Its vapor is heavier than air and can spread to a considerable distance from a lower place. It will cause backburning when exposed to an open flame.
[Health Hazards]
This product is a central nervous system depressant. Excitation is first induced, followed by inhibition. Acute poisoning often occurs through oral administration. Generally it can be divided into four stages: excitement, hypnosis, anesthesia and suffocation. Patients enter the third or fourth stage and experience loss of consciousness, dilated pupils, irregular breathing, shock, cardiocirculatory failure, and respiratory arrest. Chronic effects: Long-term exposure to high concentrations of this product during production can cause symptoms of nasal and eye mucosa irritation, as well as headache, dizziness, fatigue, irritability, tremor, nausea, etc. Long-term alcohol abuse can cause polyneuropathy, chronic gastritis, fatty liver, cirrhosis, myocardial damage and organic mental illness. Long-term skin contact can cause dryness, scaling, cracking and dermatitis.
Hazardous characteristics of isopropyl alcohol
[Physical and chemical properties]
Colorless and transparent liquid, with an odor like ethanol, density 0.7851, melting point -88°C, Boiling point 82.5℃. Soluble in water, ethanol and ether. Steam and air form explosive mixtures, with an explosion limit of 3.8% to 10.2% (volume), and can form boiling substances with water.
[Hazardous Characteristics]
Its vapor and air form an explosive mixture, which can cause combustion and explosion when exposed to open flames or high heat. Can react strongly with oxidizing agents. The vapor is heavier than air and can spread to a considerable distance at a lower level. When encountering a fire source, it may cause backfire. If exposed to high heat, the internal pressure of the container will increase, posing the risk of cracking and explosion.
[Health Hazards]
Exposure to high-concentration vapor may cause headaches, drowsiness, ataxia, and eye, nose, and throat irritation. Oral administration may cause nausea, vomiting, and abdominal pain. , diarrhea, drowsiness, coma and even death. Long-term skin contact can cause dry and chapped skin.
Hazardous characteristics of solvent oil (C10)
[Hazardous characteristics]
Volatile, flammable, explosive, irritating to the respiratory tract, inhaled in large quantities It has anesthetic effects and the maximum allowable concentration in the workplace is 1050mg/m3.
2.2.2 The main hazardous characteristics of Target No. 2 and its impact on surrounding areas
Hazardous characteristics of phosphorus trichloride
[Physical and chemical properties]
Colorless clear liquid that smokes in humid air. Melting point: -111.8℃, boiling point: 74.2℃, relative density (water = 1) 1.57, relative density (air = 1) 4.75℃, saturated vapor pressure (KPa): 13.33 (21℃), miscible in carbon disulfide and ether , carbon tetrachloride, benzene.
[Hazardous Characteristics]
It decomposes violently when exposed to water, producing a large amount of heat and smoke, and may even explode. It is corrosive to many metals, especially in the presence of moist air.
[Health Hazards]
Phosphorus trichloride can generate hydrochloric acid mist in the air. It has irritating and corrosive effects on skin and mucous membranes. Inhaling a large amount of vapor in a short period of time can cause upper respiratory tract irritation symptoms, pharyngitis, and bronchitis.
In severe cases, laryngeal edema may cause suffocation, pneumonia or pulmonary edema. Skin and eye contact may cause irritation or burns. Severe eye burns can cause blindness. Chronic effects: Long-term low-concentration exposure can cause eye and respiratory tract irritation symptoms. Can cause phosphorus toxic oral disease.
2.2.3 The main hazardous characteristics of target No. 3 and its impact on surroundings
Hazardous characteristics of liquid ammonia
[Physical and chemical properties]
< p> It is a colorless liquid with a pungent odor. Melting point: -77.7℃, boiling point: -33.4℃, relative density of liquid ammonia (water = 1): 0.7067 (25℃), auto-ignition point: 651.11℃, Explosion limit: 16%-25%, PH value of 1% aqueous solution: 11.7. Vapor pressure: 882KPa (20℃)[Hazardous Characteristics]
Mixing with air can form an explosive mixture, which can cause combustion and explosion when exposed to open flames or high heat. Violent chemical reactions can occur with fluorine, chlorine, etc. If exposed to high heat, the internal pressure of the container will increase and there is a risk of cracking and explosion.
[Health Hazards]
Ammonia can quickly cause irritation to eyes and moist skin. Skin contact can cause severe pain and burns and corrode the skin. Eye contact can cause obvious inflammation and possible edema, epithelial tissue destruction, corneal opacity and iris inflammation. Repeated or continuous exposure to ammonia can cause conjunctivitis. Inhalation is the main manifestation; mild inhalation Ammonia manifests as rhinitis, pharyngitis, tracheitis, and bronchitis. Severe inhalation manifests as respiratory mucosal irritation and burns, laryngeal edema, glottis stenosis, and respiratory mucosal shedding, which can cause tracheal obstruction and cause suffocation. Inhalation of high concentrations can directly affect capillary permeability and cause pulmonary edema.
2.2.4 The main hazardous characteristics of Target No. 4 and its impact on surrounding areas
Hazardous characteristics of liquid chlorine
[Physical and chemical properties]
< p> Yellow-green gas with a suffocating smell. Melting point: -101℃, boiling point: -34.5℃, vapor density 2.49, vapor pressure: 506.62KPa (5atm10.3℃). Soluble in water and easily soluble in alkali. When meeting water, hypochlorous acid and hydrochloric acid are generated, and hypochlorous acid is decomposed into hydrochloric acid, new ecological chlorine, oxygen and chloric acid. Chlorine and carbon monoxide can generate phosgene under high heat conditions.[Hazardous Characteristics]
This product is non-flammable, but can support combustion. Combustion and explosion may occur when mixed with flammable gases in sunlight. Reacts with many substances causing combustion and explosion.
[Health Hazards]
This product has an irritating effect on the eyes and respiratory mucosa. Acute poisoning: Mild cases may include tearing, coughing, a small amount of sputum, chest tightness, and symptoms of trachea and bronchitis; moderate poisoning may cause bronchopneumonia or interstitial pulmonary edema, and in addition to aggravation of the above symptoms, the patient may have difficulty breathing. , mild cyanosis, etc.; in severe cases, pulmonary edema, coma and shock may occur, and complications such as pneumothorax and mediastinal emphysema may occur. Inhaling extremely high concentrations of chlorine can cause vagus nerve reflex cardiac arrest or laryngeal spasm, resulting in "electric shock-like" death. Skin contact with liquid chlorine or high-concentration chlorine may cause burns or acute dermatitis at the exposed parts. Chronic effects: Long-term low-concentration exposure can cause chronic bronchitis, bronchial asthma, etc.; it can cause occupational acne and tooth erosion.
3 Safety, firefighting, and personal protection equipment, equipment, and distribution can be used around dangerous targets
3.1 Distribution of hazardous storage tank areas
(1) Duty room: 8 dry powder fire extinguishers, 2 rolls of fire hoses
Gas masks, 4 water guns, and 1 special wrench
(2) On-site tank area: 9 dry powder fire extinguishers, 2 fire hoses With 3 rolls
Hand push fire extinguisher, 5 water guns, 3 special wrenches each
3.2 Distribution of phosphorus trichloride storage tank area
(1) Operation room: 2 gas masks
Stairwell: 1 fire cabinet
(2) Central fire protection room 2: 20 dry powder fire extinguishers and 4 trolley-type fire extinguishers
4 gas masks, 2 self-priming positive pressure air respirators
3.3 Liquid ammonia storage tank area
(1) Cooling workshop (1) Operation room: poison prevention 4 masks, 2 fire extinguishers
1 fire hydrant, 1 atomized water gun, 1 water hose
(2) Cooling workshop (2) Operation room: gas mask, 4 fire extinguishers 2 fire hydrants
(3) Agricultural No. 3 Workshop: 4 gas masks, 4 fire extinguishers, 1 atomized water gun
2 fire hydrants, 1 water hose
(4) Cooling workshop (3) Operation room: 1 fire hydrant, 4 gas masks, 2 fire extinguishers
1 water hose, 1 atomized water gun
3.4 Liquid chlorine cylinder storage tank area
(1) 20 dry powder fire extinguishers in the second central fire room, 4 trolley-type fire extinguishers
4 gas masks, 2 self-priming positive pressure air respirators Tools
(2) 2 gas masks in the liquid chlorine reservoir area and 3 leak-stopping cards
Several special wrenches and 2 pairs of asbestos gloves
4 Emergency rescue organizations Organization, personnel and division of responsibilities
4.1 Command organization
Members of the emergency rescue leading group: general manager, deputy general manager in charge, director of the production department, director of the safety and environmental protection department, production dispatching , Director of the Security Department, Director of the Staff Clinic, Director of the Engineering Department, heads of water supply workshops, power supply workshops, machine repair workshops and other departments.
Headquarters: Production Scheduling Room
Emergency Rescue Office: Safety and Environmental Protection Department, responsible for daily work.
4.2 Responsibilities of the command organization
4.2.1 Command and leadership group:
Responsible for the formulation and modification of the company's "preparatory plan"; establishing a professional emergency rescue team, organizing Implement and drill emergency rescue plans; inspect and supervise preventive measures for major accidents and emergency rescue preparations.
4.2.2 Headquarters:
When a major accident occurs, the headquarter shall issue and release emergency rescue orders and signals; organize, direct and implement rescue operations;
Report the accident situation to superiors and neighboring units, and issue rescue requests to relevant units when necessary; organize accident investigations and summarize emergency rescue experiences and lessons.
4.3 Responsibilities and division of labor of emergency rescue command members
4.3.1 Commander-in-Chief:
Organize and direct the company’s emergency rescue;
4.3.2 Deputy Commander-in-Chief:
Assist the Commander-in-Chief in the specific command of emergency rescue; when the Commander-in-Chief is absent, be responsible for overall work;
4.3.3 Director of the Safety and Environmental Protection Department: < /p>
Assist the deputy commander-in-chief in accident alarm, reporting, notification and accident handling; be responsible for the command of monitoring the accident site and diffusion area, and release relevant information on behalf of the headquarters when necessary; be responsible for accident analysis, accident Solve technical problems of disposal work.
4.3.4 Director of the Security Department:
Responsible for fire fighting, vigilance, security, evacuation, and road control;
4.3.5 Director of the Production Department: < /p>
Responsible for the start and stop scheduling of the production system during accident handling; accident site communication and external contact.
4.3.6 Director of the medical office:
Responsible for the initial treatment of poisoned and injured persons and escorting them to the hospital.
4.4 Composition and division of labor of the professional emergency rescue team
4.4.1 Communication team:
Composed of relevant personnel from the production dispatching, security department, and safety and environmental protection departments ;Responsible person: Production Minister, responsible for liaison with each team and external liaison.
4.4.2 Rescue team:
It is composed of personnel from the department where the accident occurred. Person in charge: The person in charge of the department is responsible for organizing the personnel on duty and the personnel in the nearest area to control the spread of the accident.
4.4.3 Fire brigade:
It is composed of personnel from the unit where the accident occurred and volunteer firefighters. Person in charge: Minister of Safety and Environmental Protection, responsible for determining the fire-fighting plan, organizing fire-fighting personnel, and controlling the fire until the fire is completely extinguished and the wounded are rescued.
4.4.4 Emergency repair team:
It is composed of the engineering department, water supply workshop, power supply workshop, machine repair workshop, etc. The person in charge: the director of the engineering department, is responsible for emergency repair tasks.
4.4.5 Medical rescue team:
It is composed of on-duty cadres, on-duty dispatchers, and the director of the medical office. The person in charge: the director of the medical office, is responsible for the rescue and escort of injured people to the hospital.
5 Alarm and communication contact methods
5.1 Company emergency rescue signal:
Telephone alarms are mainly used. Company broadcasts can be used when evacuating people. The company is 24 hours a day. The alarm telephone number is: dispatch room: 851, fire brigade: 3601219, 954, infirmary: 860, day shift broadcast room telephone number: 3222226
5.2 The company’s external alarm telephone number: the city government’s duty telephone number is 3223569
The telephone number of the Municipal Work Safety Bureau is 3266690 3204281
The telephone number of the Municipal Environmental Protection Bureau is 3317694