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GB 27898.1-2011: Fixed water supply equipment used for fire-protection -- Part 1: Gas pressure fixed water supply equipment used for fire-protection
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Fixed water supply equipment used for fire-protection -- Part 1: Gas pressure fixed water supply equipment used for fire-protection
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Basic data | Standard ID | GB 27898.1-2011 (GB27898.1-2011) | | Description (Translated English) | Fixed water supply equipment used for fire-protection -- Part 1: Gas pressure fixed water supply equipment used for fire-protection | | Sector / Industry | National Standard | | Classification of Chinese Standard | C84 | | Classification of International Standard | 13.220.10 | | Word Count Estimation | 21,212 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-06-01 | | Quoted Standard | GB 150; GB/T 528; GB/T 3047.1; GB/T 3222.2; GB/T 3797; GB 4208; GB 5135.7; GB 5135.10; GB 6245; GB 7251.1; CJ/T 160; TSG R0004 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 23 of 2011 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard relates to fire pressure water supply equipment, terms and definitions, classification, requirements, test methods, inspection rules, signs and operating instructions, packaging, transport and storage. This standard applies to fire pressure water supply equipment, works like pressure water supply equipment can refer to adopt. | GB 27898.1-2011: Fixed water supply equipment used for fire-protection -- Part 1: Gas pressure fixed water supply equipment used for fire-protection
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Fixed water supply equipment used for fire-protection.Part 1. Gas pressure fixed water supply equipment used for fire-protection
ICS 13.220.10
C84
National Standards of People's Republic of China
Fixed fire water supply equipment
Part 1. Fire pressure water supply equipment
Part 1. Gaspressurefixedwatersupplyequipmentusedforfire-protection
Issued on. 2011-12-30
2012-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Category 3
5 requires 3
6 Test methods 11
7 Inspection rules 14
8 signs and operating instructions 15
9 packaging, transportation and storage 16
Sampling and determination Appendix A (informative) series of fixed fire water supply equipment 17
Foreword
GB 27898 of this Section 5, Chapter 7 and Chapter 8 are mandatory, the rest are recommended.
GB 27898 "fixed fire water supply equipment" is divided into the following sections.
--- Part 1. fire pressure water supply equipment;
--- Part 2. Fire automatic constant pressure water supply equipment;
--- Part 3. Fire booster regulator water supply equipment;
--- Part 4. Fire gas top pressure water supply equipment;
--- Part 5. Fire dual power supply equipment.
This section GB Part of 127,898.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section presents the People's Republic of China Ministry of Public Security.
This part of the National Standardization Technical Committee fixed fire extinguishing system Technical Committee (SAC/TC113/SC2) centralized.
This section is drafted. Tianjin Fire Research Institute of Ministry of Public Security.
The main drafters of this section. Zhao Yongshun, Liu Lianxi, Zhang Qiang, Luozong Jun, Sheng Yanfeng, high Hun Sen, Li Xi Min, Chen Jian Ming.
This section is the first release.
Fixed fire water supply equipment
Part 1. Fire pressure water supply equipment
1 Scope
This section GB 27898 specifies the terms and definitions fire pressure water supply equipment, classification, requirements, test methods, inspection rules, marking
Licensing and operating instructions, packaging, transportation and storage.
This section applies to fire pressure water supply equipment. Similar works can refer to the use of pressure water supply equipment.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 150 steel pressure vessels
GB/T 528 Determination of vulcanized rubber or thermoplastic rubber tensile stress-strain properties
GB/T 3047.1 height of 20mm hex panels, rack and cabinets Series of basic dimensions
Description GB/T 3222.2 acoustic environment noise measurement and evaluation Part 2. Determination of environmental noise levels
GB/T 3797 Electric Control Equipment
GB 4208 housing protection (IP Code)
Section 7 GB 5135.7 sprinkler systems. water flow indicator
Part 10 GB 5135.10 sprinkler systems. pressure switch
GB 6245 fire pump
GB 7251.1 Low-voltage switchgear and control equipment Part 1. Type - tested and partially type-tested assemblies
CJ/T 160 double check valve backflow preventer
Safety Technology Supervision TSGR0004 Stationary Pressure Vessels
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Fixed fire water supply equipment fixedwatersupplyequipmentusedforfire-protection
Permanently installed in a building, water fire extinguishing system according to need to configure the components, according to pre-set the fire water supply work sets
General apparatus.
3.2
Fire pressure water supply equipment gaspressurefixedwatersupplyequipmentusedforfire-protection
To the pressure tank as the core components, fire control network according to set pressure continued supply of fixed fire water supply equipment.
3.3
Emergency type fire pressure water supply equipment emergencytypegaspressurefixedwatersupplyequipmentwithoutfire
pumpusedforfire-protection
Rely on effective volume of water discharged from the pressure tank to meet the initial fire water pressure water supply equipment, the device is not set fire pump.
3.4
Supercharged fire pressure water supply equipment pressurizationtypegaspressurefixedwatersupplyequipmentwithfire
pumpusedforfire-protection
Additional fire pump on the basis of the emergency type fire pressure water supply equipment, the case status can be pressurized water fire pressure water supply equipment.
3.5
Pressure tank watertankwithpressurizedgas
Water and gas can be stored and in accordance with Boyle's law work, using a pressure vessel after the gas compression expansion characteristics of the water supply.
3.6
Gas installations pressurizedgasshutoffunit stop
Prevent escape of gas from the pressure tank to the water distribution network, maintaining the system working devices.
3.7
Pressure regulator cap p4 upperlimitofstabilizingpressure
Fixed fire water supply equipment to maintain the highest pressure regulator normal operation, the air pressure inside the tank when the water stops.
3.8
Regulator pressure limit p3 lowerlimitofstabilizingpressure
Fixed fire water supply equipment to maintain minimum pressure regulator normal operation, when the air pressure inside the tank began to water.
3.9
Only gas/air pressure p1 gassupplypressuresetpoint
Operating pressure or capsule pressure tank pressure tank qi formula between device stop gas canister or capsule inflation pressure.
3.10
Effective water volume V3 effectivewatervolumeforfireprotection
Provided by the pressure tank, the system can meet the most negative point of initial water pressure fire water. The lower limit is usually regulated pressure from p3
To stop the gas/air pressure p1 amount of water discharged from the pressure tank.
3.11
Makeup water volume V1 usablewatervolumeforfireprotection
Fixed fire water supply equipment during normal operation, corresponding to the pressure tank inner pressure between the regulator and the regulated pressure upper limit p3 p4
The difference between the volume of water. That avoid equipment Regulators pump start and stop frequently work to maintain a stable pressure fire water supply network regulating water volume.
3.12
Fire Pump starting pressure p2 startuppressureoffirepump
Fixed fire water supply equipment to confirm the fire, start the fire pump pressure runtime.
3.13
Fire rated working pressure px ratedworkingpressureusedforfire-protection
Fixed fire water supply equipment to meet the system state setting fire water pressure water requirements.
3.14
Fire rated flow rate Qx ratedflowrateusedforfire-protection work
Press fire rated work pressure fire water supply equipment can provide a fixed maximum design flow.
3.15
Loss of pressure state under-pressureoperatingcondition
After the fire pump start, fixed fire water supply equipment to less than 50% of the rated working pressure fire water supply continued working condition.
Category 4
4.1 Categories
4.1.1 Are there fire pumps are divided into.
--- Emergency type fire pressure water supply equipment, feature code J;
--- Supercharged fire pressure water supply equipment, features Code Z.
4.1.2 pressure tank by forms of work is divided into.
--- Qi type fire pressure water supply equipment, features Code B;
--- Capsule fire pressure water supply equipment, features of the code are omitted.
4.2 Model preparation
Fire pressure water supply equipment model prepared by the following method.
Fire pressure water supply equipment
Classification features of the code (see 4.1)
Only gas/air pressure in units of ten megapascals (MPa × 10)
/ □
Effective water volume, in units of cubic meters (m3)
- (□/□)
Supercharged equipment fire rated working pressure, in units of ten megapascals
(MPa × 10)/fire rated working flow, in liters per second (L/s)
- □
Enterprise custom
Example 1. Device Model QJB3/6-ABC ABC represents qi Emergency type fire pressure water supply equipment, gas pressure only to 0.3MPa, effective firefighting water volume
6m3.
Example 2. Device Model QZB2.5/18- (4/20) -DEF represented DEF qi booster type fire pressure water supply equipment, gas pressure only to 0.25MPa, eliminate
Anti-effective water volume of 18m3, fire rated working pressure of 0.4MPa, working fire rated flow 20L/s.
Example 3. Equipment Type QZ2/3- (5/10) -HIJ represented HIJ capsule supercharged fire pressure water supply equipment, pneumatic pressure of 0.2MPa, effective firefighting water
Volume of 3m3, fire rated working pressure of 0.5MPa, working fire rated flow 10L/s.
5 Requirements
5.1 Basic parameters
5.1.1 fire pressure water supply equipment (hereinafter referred to as the device) stop the gas/air pressure p1 not less than 0.15MPa.
Fire rated working flow 5.1.2 devices Qx not less than 5.0L/s.
Fire rated working pressure 5.1.3 px equipment not less than 0.3MPa.
Effective water volume V3 5.1.4 device should not be less than 3m3. Recommended volume parameters series. 3m3,6m3,9m3,12m3 and 18m3.
Equipment and components constituting 5.2
5.2.1 Equipment constituting
5.2.1.1 Equipment constituent parts shall include at least the pressure tank and accessories, water pumps, valves and piping accessories, measurement and control instruments, control cabinet.
5.2.1.2 equipment components should concentrate arrangements should overall compact, neat, and should be easy to maintain and repair.
5.2.1.3 Each component mounting apparatus should be strong, be a reliable link.
5.2.2 General requirements for components
5.2.2.1 equipment purchased components should be used in line with national standards or industry standard generic products, and priority should be given special fire protection products.
Developed and produced by the manufacturer should be dedicated member through product technical appraisal.
5.2.2.2 should be used in pressure vessel manufacturer in accordance with the provisions of GB 150 production pressure tank. Its operational safety should be consistent
TSGR0004 requirements.
5.2.2.3 The pressure tank equipment, pipe valves and accessories pressure rating not less than 1.5 times the maximum working pressure.
5.2.2.4 Use of the device should be used in a reasonable range of gauges to monitor the pressure of not less than 2.5 meter accuracy, control pressure with pressure gauge
Accuracy should meet the requirements of 5.13.1. Pressure gauge housing nominal diameter of not less than 100mm.
5.3 appearance and identity
5.3.1 Appearance
5.3.1.1 Device components outer surface should not have a significant bump scars, deformation and other defects.
5.3.1.2 coating equipment should be complete and beautiful. Similar parts surface coating color should be consistent.
5.3.2 Device Identification
5.3.2.1 should set the device signs, signs shall meet the requirements of 8.1.
5.3.2.2 Device components signage content should be clear and complete.
5.3.2.3 In the device may endanger personal safety, which needs to prevent improper operation and misuse of office should hang warning signs, logo should be clearly visible.
5.3.2.4 spraying equipment water pipe should identify the flow direction of the arrow.
5.4 Control Function
5.4.1 Regulators Run
5.4.1.1 qi devices should have the water pressure control and the tank water level control interlock function.
5.4.1.2 p3 ~ p4 within the operating pressure range and the pressure tank liquid level range, the device set pressure and the measured pressure deviation to
For repeatability and bias different pressure disturbances are measured should not exceed 0.02MPa. Level control repeatability deviation should not exceed 1.0cm.
5.4.1.3 When the fire pond water level control device has a function of the operating state regulation in the fire, in case the water level sinks below the set limit, the device
Regulators should automatically stop water pump and send an alarm signal in case of fire should not affect the start of the fire pump operation.
5.4.1.4 pump regulator should adopt alternate operating mode. After running into fire state, the regulator pump should stop working.
5.4.2 Fire mode operation start state
5.4.2.1 equipment should have an emergency boot device by manipulating the cabinet set function (button) manually start the fire running state.
5.4.2.2 Equipment should have a manual remote control device (button) fire emergency start function operating state.
When 5.4.2.3 have one of the following conditions, fire pumps should start automatically.
a) When the device is lower than the outlet pressure continues 10s set fire starting pressure p2;
b) When the device while receiving the fire alarm and fire low water pressure alarm signal;
c) When one of the devices receiving the fire alarm or fire low water pressure alarm signal, and also receives an external fire alarm Letter
No time.
5.4.2.4 Where the emergency type equipment when the outlet pressure reaches the fire starting pressure p2, the device should output the fire alarm signal.
5.4.3 Fire exit run state
5.4.3.1 When manually start the fire pump, should be shut down manually.
5.4.3.2 When the fire pump start automatic mode, in addition to the device outlet pressure loss of pressure persists for more than 5min circumstances permit
Automatic shutdown, the shutdown should be manually operated.
5.4.3.3 equipment should have fire pump manual emergency shutdown manipulator (button) to exit the fire manner.
5.4.4 Pump Switching
5.4.4.1 When an electrical fault in the working pump or regulator can not achieve the desired capacity, the regulator should be able to spare pump automatic and manual switching.
5.4.4.2 When the fire service pump electrical faults occur or can not achieve the desired capacity, the standby fire pump should be able to automatically and manually.
5.4.5 Inspection
5.4.5.1 equipment should have a manual inspection and inspection prompts, which prompted the inspection period should be set on demand, but it should not exceed the longest period
360h.
Operation 5.4.5.2 inspection should be simple, should be specified in the "Instruction Book".
Hourly 5.4.5.3 fire pump should start running inspection station, each pump rated conditions run time should not be less than 2min.
Acoustic fault should appear in 5.4.5.4 inspection, light alarm.
5.4.6 Run Record
5.4.6.1 Device control cabinet should be set up to run the recording apparatus.
5.4.6.2 recording information which shall include at least equipment outlet pressure, type and time of alarm and failure, fire pumps work like
State and so on.
5.4.6.3 recording information acquisition interval should not exceed 6h, the recording device continuously records storage capacity should meet not less than 180d
Requirements.
5.4.6.4 recording device should be set to the standard data output port, its internal storage data should be exported to display and store.
5.5 water supply capacity
5.5.1 pressure tank water supply
5.5.1.1 Effective water volume according to the provisions of 6.6.1 test, the device should not be less than the nominal value.
5.5.1.2 was tested according to the requirements of 6.6.2, add water volume of not less than 150L, a buffer volume of water not less than 150L.
5.5.2 Water Pump
5.5.2.1 pump regulator should be completed by the volume V1 supplementary water supply in the 30s ~ 300s time. Regulators pump 125% of the nominal flow
When the outlet pressure should not exceed 65 per cent of the nominal working pressure of the pump.
5.5.2.2 Fire Pump flow in fire rated pressure not less than the fire px under the rated working flow Qx.
5.5.2.3 Fire Pump Fire reaches 150% of rated flow rate Qx work equipment outlet pressure should not be below the rated working pressure px Fire
50%.
5.5.2.4 Parallel operation of fire pumps press fire rated working pressure px the water flow of not less than a single pump flow rate at this pressure
90% of the sum.
5.6 Continuous operation
5.6.1 Regulators operational stability
6.7.1 Test Method equipment shall be provided continuous operation 24h, the device should not have any trouble.
5.6.2 Fire Pump running stability
Fire Pump Under Fire rated working pressure px continuous operation 6h, pump and control system should not have any trouble.
5.6.3 Fire Pump consecutive starts
By manipulating the emergency fire pump start button cabinet panel of six consecutive starts, pump and control system should not have any trouble.
5.7 sealing performance
5.7.1 hydraulic seal
Working withstand pressure equipment parts, hydraulic seal test duration 15min at 1.1 times the maximum working pressure of the equipment, it is not
It should leakage.
5.7.2 Pneumatic Seals
Working withstand pressure equipment parts, sustained 15min in pneumatic seal test 1.1 times the maximum working pressure of the equipment, it is not
It should leakage.
5.8 Pressure strength
Work equipment parts to withstand water pressure at the hydrostatic strength test device 2 times the maximum working pressure, the sustained 5min, there should be no
Leakage, no macroscopic deformation or damage.
5.9 operating noise
The maximum noise equipment operating state regulator should not exceed 90dB (A).
5.10 pressure tank
5.10.1 pressure display
5.10.1.1 pressure tank should be installed pressure display and control instrument.
5.10.1.2 qi type pressure tank pressure taps should be located in the regulator regulate the water level below the lower limit; capsule pressure tank pressure taps should be located at the top of the tank,
Take the tank pressure should be measured.
Monitoring 5.10.1.3 capsule inflation pressure tank pressure tank should be simple, methods of operation shall be specified in the "Instruction Book".
5.10.2 level display
5.10.2.1 qi pressure tank liquid level within the formula should be clear and intuitive display. Level controller using the display should be consistent with the level of 5.13.4
Claim.
5.10.2.2 Horizontal pressure tank level display range of not less than 50% of the diameter of the tank, vertical pressure tank level display range should not be less
50% of the total height of the tank.
5.10.3 qi means
5.10.3.1 according to the provisions of 6.7.1 test, the device should be able to complete the normal work cycle. Means the fill valve, automatic drain valve, automatic
Action exhaust valve, balance valve and other moving parts should be sensitive and reliable, the components should not be damaged.
5.10.3.2 using air compressor qi equipment, the choice of the maximum working pressure of the air compressor should not exceed the maximum working pressure tank
Operating pressure of 1.25 times.
5.10.4 stop gas installations
5.10.4.1 stop operation of gas devices should be accurate and reliable device outlet gas after stopping the operation means there should be a gas leak.
5.10.4.2 6.11.5 was tested according to the provisions, the pressure within the tank pressure drop should not exceed 2% of regulated pressure limit p4.
5.10.5 capsule
5.10.5.1 capsule material physical and chemical properties should be consistent with GB/T 528 requirements.
5.10.5.2 capsule according to the provisions of 6.11.6 hydrostatic strength test should not rupture.
5.10.6 outlet
Pressure tank outlet diameter according to the maximum flow calculation to determine the fire water, and the nominal diameter of not less than 100mm.
5.11 Pump Unit
5.11.1 pump regulator
5.11.1.1 regulator pump material shall meet the requirements of GB 6245.
5.11.1.2 Regulators shall be provided with standby pump pump, pump and spare pump work should be the same nominal operating capacity.
5.11.1.3 regulator pump single pump nominal flow rate should not exceed 5L/s, not less than the nominal outlet pressure (p4 p3)/2, and should not be high
In p4.
5.11.2 Fire Pump
5.11.2.1 fire pump performance should be consistent with GB 6245 requirements.
5.11.2.2 Fire Pump allocation ratio should not be more than two, one standby, the standby pump and pump work should be the same nominal operating capacity.
5.11.2.3 fire pump single pump nominal flow rate of not less than 10L/s, the nominal outlet pressure of not less than fire rated working pressure px.
5.12 pipe valves and accessories
5.12.1 pump inlet conduit
5.12.1.1 equipment should be set to dual annular inlet conduit, two inlet pipe inlet side gate valve should be installed, water pipe diameter should be the way to achieve
Shared pipeline to meet all water pipeline pump water.
5.12.1.2 pump inlet or inlet pipe should be installed at the vacuum gauge.
5.12.1.3 water pipe installation equipment filtration apparatus, water filtering apparatus should not affect the pump.
5.12.2 pump water pipes
5.12.2.1 pump out the well pipe valve outlet installed nominal diameter greater than the diameter of the pump outlet.
5.12.2.2 pump nozzle combination of valves and accessories installed pipe, in the nominal pump flow rate should not exceed the maximum pressure loss pump
5% of the nominal pressure.
5.12.2.3 pump outlet should have measures to ensure that at the end of the ATC safety boot.
5.12.2.4 pump outlet pipe should be installed pressure gauges, pressure gauge range not less than the maximum working pressure and pump the maximum allowable inlet pressure
2 times of the sum.
5.12.3 pressure tank water pipe
5.12.3.1 pressure tank outlet valve installation and maintenance should be.
5.12.3.2 pressure tank should be located at the outlet of the water back into the tank fire control measures to prevent.
5.12.4 equipment water pipe
5.12.4.1 equipment should be set up dual outlet, equipment maintenance to be provided at the outlet valves, pipes DN public should not be less than the pressure tank or
Water pump unit greatest caliber.
5.12.4.2 equipment should be set fire water main pipeline pressure control instrumentation taps.
5.12.5 pipeline inspection
5.12.5.1 equipment shall be provided with at least one inspection pipeline.
5.12.5.2 inspection pipe diameter should not be less than the fire pump outlet diameter.
5.12.5.3 patrol pipeline regulator should be set to manual door.
5.12.6 Safety relief valve
The water should be set on the main pipeline 5.12.6.1 equipment safety relief valve opening pressure equipment should not exceed the maximum working pressure
110%, and its back seat pressure not less than 85% of the maximum working pressure of the equipment.
5.12.6.2 safety relief valve effective flow area should meet the requirements of the relief, and the nominal diameter of not less than 50mm.
5.12.7 backflow prevention device
5.12.7.1 from the municipal water pipe network equipment should be installed inlet side backflow preventer.
5.12.7.2 backflow prevention device should be able to line inspection and maintenance. Periodic inspection and maintenance methods shall be defined in the "Instruction Book".
5.12.7.3 backflow prevention device performance should meet the CJ/T 160 requirements.
5.13 Instrument Control
5.13.1 Pressure control instruments
5.13.1.1 Pressure sensor accuracy should not be less than 1.5, the upper range of not less than 1.5 times the maximum working pressure of the equipment.
5.13.1.2 Remote pressure gauge accuracy of not less than 1.6, the upper range of not less than 1.5 times the maximum working pressure of equipment, the minimum shown
Value should be able to meet the requirements of the control pressure.
5.13.1.3 pressure gauge accuracy not less than 1.6, the upper range of not less than the device maximum working pressure of 1.5 times the pressure control zone
Between at least three times the minimum value should be shown.
5.13.1.4 electrical contacts in the pressure control process, the pointer should not be stagnant and beating.
5.13.2 Pressure Switch
Pressure switch performance should meet the requirements of GB 5135.10.
5.13.3 flow indicator
Flow indicator performance should meet the requirements of GB 5135.7.
5.13.4 Level control instrumentation
5.13.4.1 level control instrument measuring range should meet the control requirements, a minimum indication should not exceed 10mm.
5.13.4.2 pressure tank liquid level control instrument configuration should not be less than the nominal maximum working pressure of the pressure tank.
5.14 control device
5.14.1 control cabinet
5.14.1.1 cabinet should frame structure, dimensions should be consistent with GB/T 3047.1 requirements.
5.14.1.2 Cabinet protection rating of not less than GB 4208 IP31.
5.14.1.3 cabinet surface should be smooth, the coating should be be...
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