2019 Registered Fire Preparation -Gas Fire Dentry and Bubble System

2019 Registered Fire Preparation -Gas Fire Dentry and Bubble System

Public account: xiaofanggongxiang

One .. Gas Fire Exercise System

Test point 1: System composition

External storage voltage seventeenth fluoropropane fire extinguishing system: This system is a fire extinguishing agent bottle, a pressure gas bottle group, a driving gas bottle group (optional), a single valve, selection valve, decompression device, driving device, a flow pipe, connecting pipe, connecting pipe pipe , Torch head, signal feedback device, security leakage device, control disk, leakage device, pipeline pipeline and hook brackets, etc.

Test point 2: Protective area settings

(1) When using a tube -network fire extinguishing system, the area of ​​a protective area should not be greater than 800 square meters, and the volume should not be greater than 3600m³; when a pre -made fire extinguishing system is used, the area of ​​a protective area should not be greater than 500 square meters, and the volume should not be greater than 1600m³.

(2) The fire -resistant limit of the protective area and the doors and windows should not be less than 0.50h; the fire resistance limit of the ceiling should not be less than 0.25h. The protective area of ​​the protective area for internal pressure should not be less than 1200Pa. For a fully enclosed protection area, the pressure of the pressure should be set, and the voltage leakage port of the seventeenth fluoropropane fire extinguishing system should be more than 2/3 of the net height of the protective area.

(3) Setting the protective area of ​​the gas fire extinguishing system shall have evacuation channels and safety exports. The evacuation channels and exports in the protective area shall be set up. Fire sound alarm should be provided in the protective area. If necessary, a flash alarm may be added. At the entrance of the protective area, fire sound, light alarm and fire extinguishing agent spraying indicator, and the permanent signs of the corresponding gas fire extinguishing system used in the protective area. The fire extinguishing agent spray and release indicator signal should be kept manually after ventilation and ventilation. The door of the protective area should be opened in the direction of evacuation and can be closed by itself; doors used for evacuation must be opened from the protective area.

Test point 3: System design

(1) When two or more protective areas adopt a combined distribution system, a protective area protected by a combined allocation system shall not be more than 8. The storage of fire extinguishing agents of the combined allocation system shall be determined according to the protective area of ​​the largest storage volume.

(2) The storage container on the flow pipe in the same episode shall be the same specifications, pressure pressure and filling. In the same protective zone, when two sets of or three -sets are designed, the assembly pipe can be set separately, and the system startup device must be shared. The sprinkler flow of each pipe should be designed according to the same fire extinguishing design concentration and the same spray time.

(3) If the storage device of the fire extinguishing system cannot be recovered within 72 hours, the reserve volume shall be set at 100%of the original storage volume of the system.

(4) When the carbon dioxide gas extinguishing system is assigned to protect 5 or more protective areas or more protection objects, or when it cannot be restored within 48H, the carbon dioxide must have a reserve. If the installation is resumed, set the backup volume at 100%of the original storage volume of the system. When the quality loss of carbon dioxide in the storage container is greater than 10%, the leakage device of the carbon dioxide fire extinguishing system should be properly alarm.

(5) In the protective areas such as communication machine rooms and electronic computer rooms, the concentration of the fire extinguishing system of the seventeenth fluoropropane fire extinguishing system should be adopted by 8%. The fire -immersion transformer room, the power distribution room with oil switch, and the self -generated generator room, the concentration of fire extinguishing design should be 9%.

(6) The protection height and protection radius of the nozzle should meet the following requirements: the maximum protection height should not be greater than 6.5m; the minimum protection height should not be less than 0.3m; when the height of the nozzle is less than 1.5m, the protection radius should not be greater than 4.5m; When the height is not less than 1.5m, the protection radius should not be greater than 7.5m.

(7) The pressure of the prefabricated fire extinguishing system set in the protective area should not be greater than 2.5MPa. The prefabricated fire extinguishing system set by a protective area should not exceed 10 units. When there are more than one prefabricated fire extinguishing system in the same protective area, it must be activated at the same time, and its action response is not greater than 2S.

Test point 4: operation and control

The pipeline fire extinguishing system should set up three startup methods: automatic control, manual control and mechanical emergency operation. The prefabricated fire extinguishing system should set up two starting methods: automatic control and manual control.

When the combined allocation system starts, the selection valve should be opened or at the same time before the container valve is turned on.

Test point 5: System debugging

The debugging items include simulation start -up tests, simulation jet tests, and simulation switching operation tests. [See the comprehensive ability textbook in detail, or scan the QR code and reply to the “Book Book”]

During the system debugging, the system manually and automatic simulation start tests are performed on the system or protection objects in accordance with regulations, and it is qualified.

1. Simulation startup test

1) Debug requirements

During debugging, all protective areas or objects of protection are performed in accordance with the specifications and qualified.

2) Simulation start -up test method

(1) Manual simulation start -up test is performed as follows:

Press the manual start button to observe whether the action signals and linkage devices are normal (such as the sound of the sound, light alarm, the load response of the output end, turn off the ventilation air conditioner, fire valve, etc.). Manually start the pressure signal feedback device to observe whether the gas spraying indicator outside the relevant protective area is normal.

(2) Automatic simulation start -up test is performed as follows:

① Connect the starting output terminal of the fire extinguishing controller and the corresponding protective zone driving device of the fire extinguishing system. Drive device and the valve’s action mechanism away from. You can also replace with 1 start voltage, current and the start voltage and current of the driver.

② The artificial simulation fire alarm enables any fire detector movement in the protective area. After observing the output of a single fire alarm signal, the relevant alarm equipment movement is normal (such as alarm bells, beeurizers issuing alarm sounds, etc.);

③ The artificial simulation fire alarm allows another fire detector action in the protective area. After observing the output of the composite fire alarm signal, the relevant action signal and linked equipment movement is normal (such as the sound of the sound, the light alarm, the load response of the output end, turn off the ventilation air conditioner, and Fire fire valve, etc.);

(3) Simulation start -up test results:

① The delay time is consistent with the set time, and the response time meets the requirements;

② The relevant voice and light alarm signals are correct;

③ The operation of the linkage device is correct;

④ The driving device is reliable.

2. Simulation jet test

(1) Debug requirements

During debugging, all protective areas or objects of protection are performed and qualified.

The simulation jet test of the prefabricated fire extinguishing system should be taken for testing. The test is conducted in accordance with the provisions of the “linkage test” in the product standard.

(2) Simulation jet test method

1) Conditions for simulation jet test:

①Ig 541 hybrid gas fire extinguishing system and high -voltage carbon dioxide fire extinguishing system uses its installed fire extinguishing agent for simulation jet test. The number of storage containers adopted by the test should be 5%of the total number of containers required for the protection area or protection object of the test test.

② The low -pressure carbon dioxide fire extinguishing system uses carbon dioxide fire extinguishing agent for simulation jet test. The test should be selected for the longest protection area or protection object of the transportation pipeline.

③ The simulation jet test of the halogen alkane fire extinguishing system does not use halogenane fire extinguishing agent, and nitrogen or compressed air should be used. The structure, model, and specifications of nitrogen or compressed air storage containers are the same as the structure of the fire extinguishing agent storage container used for the protected objects of the subject. The connection and control methods should be consistent. Nitrogen or compressed air storage containers are not less than 20%of the number of storage containers, and not less than 1;

④ Simulation jet test should be automatically started;

2) The results of the simulation jet test should meet the following requirements:

③ Relevant control valve work is normal;

④ After the signal feedback device moves, the gas spraying indicator outside the gas protection area is normal;

⑤ The device and the fire extinguishing agent in the storage container and the fire extinguishing agent that corresponds to the protective area or the protection object is not obvious shaking and mechanical damage;

⑥ Test gas can be sprayed into the test prevention area or on the protection object, and can be sprayed out of each nozzle.

3. Simulation switch operation test

The system with fire extinguishing agent and the storage container connected to the same episode of the same episode shall be simulated and switched to the operation test, and it is qualified.

(2) Simulation switch operation test method

1) According to the operation method of the instruction manual, the system usage status is switched from the main amount of fire extinguisher storage container to the use status of the storage container of the backup fire extinguishing agent storage container.

2) Simulation jet test according to the method of this section.

(3) The test results meet the provisions of the above simulation jet test results.

Test point 6: System function acceptance

(1) In the system function acceptance, simulation start -up test should be performed and qualified.

The method and requirements of the simulation start -up test are carried out in accordance with the “system debugging” in the third section of the “Installation and Debugging of System Components” in Section 3 of this chapter.

(2) In the system function acceptance, analog jets should be performed and qualified.

Methods and requirements for simulation jet tests are carried out in accordance with the provisions of the test point 5.

(3) During the system function acceptance, the system with a fire extinguishing agent reserve is performed for analog switching operation test, and it is qualified.

Methods and requirements of simulation switching operation tests are performed in accordance with the provisions of the test point 5.

(4) When the system function acceptance is accepted, the main and spare power supply is performed for switching tests, and it is qualified.

Simulation start -up test, simulation jet test, and system with a system with fire extinguishing agent reserve volume, switch the test of the main and spare power supply.

Test point 7: Annual inspection

(1) Inspection requirements and steps:

① Cover the startup of the startup device in the lower area to perform the linkage test of the electronic control part. It should be started normal;

② An automatic jet test is performed on each protective area. Through the alarm linkage, test the function of the gas fire control disk, and perform an automatic start -up method to simulate the jet test. The inspection ratio is 20%(at least one partition). This inspection is performed once a year.

③ The high -voltage carbon dioxide and trifluoro methane storage containers are conducted one by one. The net weight of the fire extinguishing agent shall not be less than 90%of the design storage volume;

④ Check the validity period of prefabricated gas solution fire extinguishing device, automatic dry powder fire extinguishing device;

⑤ Leakage the alarm device alarm quantitative function test, the proportion of the cylinders checked is 100%;

⑥ The main use of the fire extinguishing agent storage container switched to the simulation switching operation test of the standby fire extinguisher storage container, and the inspection ratio was 20%(at least one partition).

When the fire extinguishing agent transports pipeline is damaged and blocked, strict tests and blowing should be performed in accordance with relevant regulations.

(2) Maintenance work after five years (conducted by professional maintenance personnel):

① Five years later, the metal hose (connecting pipe) per three years will be performed for the intensity of the metal pipe (connecting pipe) and the gas tight test.

② Five years later, a hydraulic intensity and gas sealing test of the storage bottle, related valves and other components that release the fire extinguishing agent are used to continue to use the test qualification.

2. Bubble fire extinguishing system

Test point 1: System selection

(1) Selection of foam liquid: Antiproced foaming liquid must be used for water -soluble liquid fires. The fire -soluble liquid fire should be sprayed on the liquid or semi -liquid, and the liquid spraying foam cannot be used. For non -water -soluble liquid fires, when the liquid spraying foam is used to extinguish the fire, the ordinary protein foam liquid, fluorin foam or water formation foam can be used. For non -water -soluble liquid fires, when the liquid spraying foam is used to extinguish the fire, a fluorine protein foam or water membrane foam must be used.

(2) A low multiplication foam fire extinguishing system should be selected in the storage area of ​​Class A, B, and C; the single can not greater than 5000m³, the fixed top and the inner floating top oil tank and the single can of the inner floats. Fixed top and inner floating top oil tanks can be used for medium multiples foam system. The foam fire extinguishing system in the oil tank should be fixed. The multiples foam system in the oil tank should be selected to spray the foam system on the liquid.

(3) The selection of the low multiplication foam fire extinguishing system of the storage area shall comply with the following regulations:

① Fixed top storage tanks of non -water -soluble A, B, C, and C -liquid should be selected.

② Water -soluble A, B, C liquid and other fixed top storage tanks of A, B, and C, which have a destructive effect on ordinary foam, should be selected for the spraying system or semi -liquid spraying system of liquid liquid;

③ The outer floating top and inner floating surface storage jacks should be selected from the spraying system of the liquid;

④ Fixed top storage tanks with non -water -soluble liquid outer floating top storage tanks, inner floating top storage tanks, and a fixed top storage tank with a diameter greater than 18m and water -soluble A, B, and C -liquid vertical storage tanks shall not be used as the main fire extinguishing facilities;

⑤ A fixed top storage tank with a height greater than 7m or more than 9m, and foam guns must not be used as the main fire extinguishing facilities.

(4) The foam cannon system as the main fire extinguishing facilities or auxiliary fire extinguishing facilities is suitable for the following places:

① Fixed top storage tank with a non -water -soluble liquid with a diameter of less than 18m;

② Class A, B, and C in the coffin flowing the fire;

③ Class A, B, C, and liquid car trough car stack platform or train tank car stack platform;

④ Outdoor A, B, C, and C type of liquid flowing fires;

⑤ Aircraft.

Test point 2: System design

(1) The protection area of ​​the outer floating top storage tank can be determined according to the ring area between the wall and the bubble weir plate. The supply intensity of the bubble mixed liquid of hydrocarbon liquid should not be less than 12.5L/min · ㎡, and the continuous supply time should not be less than 30min.

(2) When a hydraulic -driven balance -type mixing device is adopted, the water flow consumed in the foam fire pump should be calculated in the rated flow of the foam fire pump; when the ring pump -type proportion mixer is used, the rated flow of the foam mixed solution pump should be To design 1.1 times the flow of the system; on the pump inlet pipe, a vacuum pressure gauge or vacuum table should be set on the pump; the pump outlet pipe should be set on the pump, one -way valve and the reflux pipe with control valves.

Test point 3: live inspection of foam solution

For a foam liquid belonging to one of the following situations, you need to check for inspection:

① The design dosage of the 6%low multiple foam liquid is greater than or equal to 7.0T;

② The design dosage of the 3%low multiplier foam liquid is greater than or equal to 3.5T;

③ The minimum reserves of the 6%protein type multiples of the foam liquid is greater than or equal to 2.5T;

④ 6%of the minimum reserves of the foam liquid in the synthesis of the medium -sized medium foam is greater than or equal to 2.0T;

⑤ The minimum reserves of the high multiplication foam solution are greater than or equal to 1.0T; the contract document requires on -site samples to be sampled and delivered to the foam solution. The detection content mainly includes foam multiple, analytical liquid time, fire extinguishing time and anti -burning time.

Test point 5: System debugging

① The delay time is consistent with the set time, and the response time meets the requirements;

② The relevant voice and light alarm signals are correct;

(1) Debug requirements

Test point 6: System function acceptance

Test point 4: System functional debugging

(1) System water spray test

Test requirements: When a manual fire extinguishing system is used, a water spray test should be performed by manual control; when it is an automatic fire extinguishing system, a water spray test should be performed in a manual and automatic control. To meet the design requirements.

Detection method: Use pressure gauge, flow meter, stopwatch. When the system is a manual fire extinguishing system, select the farthest protective area or storage tank for water spray test; when the system is an automatic fire extinguishing system, select the maximum and farthest protective areas or storage tanks in a manual and automatic way, respectively. Water spray test.

(2) Low, medium multiples foam system spray bubble test

Test requirements: Low and medium multiples foam fire extinguishing system is completed, and after the water is empty, the spraying foam test is performed; when it is an automatic fire extinguishing system, it should be performed in an automatic control; The mixed ratio of the mixture and the foaming multiple of the foam mixture and the time to reach the most unfavorable protection area or storage tank, and the conversion time of the wet system water and the foam of the foam must meet the design requirements.

Detection method: For the mixed -ratio detection, the foam liquid with a high refraction index of protein and fluorine can be measured by handheld refraction meter, the foam solution with a low refraction index such as water film film, anti -soluble water film, etc. The foam bubble multiples of the foam mixed liquid; the time of the spray foam and the foam mixture or foam to reach the most unfavorable point protection area or storage tank time and the wet system from the water spraying to the spray bubble conversion time, and measure it with a stopwatch. The spray bubble test should choose the most unfavorable protective area or storage tank.

(3) High multiple foam system spray bubble test

Test requirements: The water spraying test of the high multiplication foam fire extinguishing system is completed. After the water is empty, the protection area is sprayed in the protective area in a manual or automatic control. The supply rate and the time from receiving fire simulation signals to starting foam meet the design requirements.

Detection method: For the mixed -ratio detection, the foam liquid with a high refraction index of protein and fluorine can be measured by handheld refraction meter, the foam solution with a low refraction index such as water film film, anti -soluble water film, etc. Testing method of foam supply rate: Record the reading of the pressure gauge of the importer end of the high multiplier foam generator, measure the time of the spraying foam with a stopwatch, and then find the corresponding foam volume according to the curve given by the manufacturer. The supply rate and supply rate cannot be smaller than the minimum supply rate of the design requirements; the time of the spray foam and the time from receiving a fire simulation signal to the start of the spraying foam are measured with a stopwatch. For the high -power foam system, all protective areas need to be sprayed in the spraying foam.

Test point 5: System inspection and maintenance

(1) Inspection requirements every six months: Except for the foam pipes in the foam pipe and spraying of the foam in the foam and the high multiplication foam generator in the reserve of the foam pipe of the foam mixed liquid pipe and the liquid under the storage tank. Rust.

(2) Inspection requirements every two years:

① For the liquid, submucated, and semi -liquid spraying, foam spraying, fixed foam gun and medium multiples foam fire extinguishing system in the low multiplier foam fire extinguishing system for spraying foam tests, and all components, facilities, pipelines and pipelines of the system Perform comprehensive inspections.

② For high -power foam fire extinguishing systems, spraying foam tests can be performed in the protective area, and all components, facilities, pipelines, and pipelines can be conducted in a comprehensive inspection.

Test point 6: Failure treatment

The foam generator cannot be foamed or foam.

main reason:

(1) Bubble generator inhale mouth is blocked by a foreign body;

(2) The bubble mixed solution does not meet the requirements. If the foam liquid fails, the mixing ratio does not meet the requirements.

Click “Learn more” to get the 2019 fire protection information

Quality plastic packaging products recommended: Certification ISO 9001 250ml 450ml plastic square foaming pump bottle for cosmetic from China manufacturer

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