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GB 27898.2-2011: Fixed water supply equipment used for fire-protection -- Part 2: Constant pressure automatic water supply equipment used for fire-protection
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Fixed water supply equipment used for fire-protection -- Part 2: Constant pressure automatic water supply equipment used for fire-protection
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Basic data
Standard ID: GB 27898.2-2011 (GB27898.2-2011)
Description (Translated English): Fixed water supply equipment used for fire-protection -- Part 2: Constant pressure automatic 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: 14,116
Date of Issue: 2011-12-30
Date of Implementation: 2012-06-01
Quoted Standard: GB 150; GB/T 3222.2; GB 6245; GB 27898.1-2011; GA 61; 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 constant pressure water supply equipment, automatic fire terms and definitions, classification, requirements, test methods, inspection rules, signs and operating instructions, packaging, transport and storage. This standard applies to fire automatic constant pressure water supply equipment. Works like a constant pressure water supply equipment can be used with reference.
GB 27898.2-2011: Fixed water supply equipment used for fire-protection -- Part 2: Constant pressure automatic water supply equipment used for fire-protection
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Fixed water supply equipment used for fire-protection.Part 2. Constant pressure automatic 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 2. Fire automatic constant pressure water supply equipment
Part 2. Constantpressureautomaticwatersupplyequipmentusedforfire-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
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 27898 Part 2.
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 responsible for drafting unit. Ministry of Public Security in Tianjin Fire Research Institute.
Participated in the drafting of this section. Shaanxi Aerospace Power High-tech Co., Ltd.
The main drafters of this section. sip Fengying, Zhao Yongshun, Sheng Yanfeng, Ma Jianming, Malacca, Han Wei Zhao, Yan Ru.
This section is the first release.
Fixed fire water supply equipment
Part 2. Fire automatic constant pressure water supply equipment
1 Scope
This part of GB 27898 specifies the terms and definitions fire automatic constant pressure water supply equipment, classification, requirements, test methods, inspection rules,
Signs and operating instructions, packaging, transportation and storage.
This section applies to fire automatic constant pressure water supply equipment. Similar works can refer to constant pressure water supply equipment uses.
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
Description GB/T 3222.2 acoustic environment noise measurement and evaluation Part 2. Determination of environmental noise levels
GB 6245 fire pump
GB 27898.1-2011 fixed fire water supply equipment - Part 1. Fire pressure water supply equipment
GA61 fixed fire extinguishing system drive, control devices General
Safety Technology Supervision TSGR0004 Stationary Pressure Vessels
3 Terms and Definitions
GB 27898.1-2011 define the following terms and definitions apply to this document.
3.1
Fire automatic constant pressure water supply equipment constantpressureautomaticwatersupplyequipmentusedforfire-protection
The use of specific control or the use of pump flow pressure inherent characteristics to achieve constant pressure water supply of fire-fighting equipment.
3.2
Fire constant pressure water supply constantpressurewatersupplyusedforfire-protection
In the course of the fire water supply, water flow in the device does not exceed the range of fire rated water flow changes, the water pressure is always maintained
In the set pressure water supply mode.
Category 4
4.1 Categories
4.1.1 Equipment by application range is divided into.
a) fire control automatic constant pressure water supply equipment, features of the code are omitted;
b) Fire and Life (production) share the automatic constant pressure water supply equipment, feature code G.
4.1.2 Press the fire pump control device is divided into.
a) automatic fire frequency constant pressure water supply equipment is divided into.
--- Constant pump automatic constant pressure water supply equipment, features, code-named BZ;
--- Reflux automatic pressure control water supply equipment constant pressure, characterized codenamed HL.
b) Fire automatic frequency constant pressure water supply equipment, features, code-named BP.
4.2 Model preparation
Fire automatic constant pressure water supply equipment model prepared by the following method.
Fire automatic constant pressure water supply equipment
Classification features of the code (see 4.1)
Fire rated working pressure, in units of ten megapascals (MPa × 10)
/ □
Fire rated working flow, in liters per second (L/s)
- □
Fire Pump station number
- □
Enterprise custom
Example. Equipment Type HBP6/10-3ABC represents ABC type fire special automatic frequency constant pressure water supply equipment, fire rated working pressure of 0.6MPa, eliminate
Anti-rated work flow of 10L/s, has three fire pumps.
5 Requirements
5.1 Basic parameters
5.1.1 Fire automatic constant pressure water supply equipment (hereinafter referred to as the device) px fire rated working pressure of not less than 0.3MPa.
Fire rated working flow 5.1.2 devices Qx not less than 10L/s.
Equipment and components constituting 5.2
5.2.1 Equipment constituting
5.2.1.1 equipment should include at least a water pump, pipeline valves and 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 regulator device set pressure and the measured pressure deviation and repeatability deviation for different pressure disturbances measured shall not big
At 0.02MPa.
5.4.1.2 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.
5.4.1.3 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
Fire operation mode 5.4.2.1 Status start device shall comply with the provisions of 5.4.2 in GB 27898.1-2011.
5.4.2.2 start running when you start the fire pump frequency conversion time should be consistent with the requirements of Table 1.
Table 1 Frequency Start Time
Equipped with motor power P/kW ≤22 22 \u003cP≤55 \u003e 55
Fire start time/s < 25 < 40 < 55
5.4.3 fire precision pressure control
5.4.3.1 using the control deviation fire way to achieve constant pressure water supply equipment, fire rated working pressure px and the measured pressure and for
Different pressure disturbances measured repeatability deviation should not exceed 0.02MPa.
5.4.3.2 constant pressure fire pump equipment, fire pumps from zero flow to the fire rated working flow Qx process of change, pressure change
Of fire should not exceed the rated working pressure px 10%.
5.4.4 Fire exit run state
5.4.4.1 manually start the fire pump, the stop should be manually operated.
5.4.4.2 automatic way to start the fire pump, in addition to loss of pressure equipment for more than 5min circumstances allow the outlet pressure persists
Automatic shutdown, the shutdown should be manually operated.
5.4.4.3 equipment should have fire pump manual emergency shutdown manipulator (button) to exit the fire manner.
5.4.5 Pump Switching
5.4.5.1 produced 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.
5.4.5.2 produced when an electrical fault in the fire service pump or can not achieve the desired capacity, the standby fire pump should be able to automatically and manually.
5.4.6 Inspection
5.4.6.1 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 5.4.6.2 inspection should be simple, and should be specified in the "Instruction Book".
5.4.6.3 fire pump inspection process should be up and running by one, each pump rated conditions run time should not be less than 2min.
Acoustic fault should appear in 5.4.6.4 inspection, light alarm.
5.4.6.5 Water pressure regulating valve with electric equipment, electric valves used should be involved in the inspection.
5.4.7 Run Record
5.4.7.1 Device control cabinet should be set up to run the recording apparatus.
5.4.7.2 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.
5.4.7.3 recording information collection time interval should not exceed 6h, recording device capacity should meet the requirements of not less than 180d of continuous recording.
5.4.7.4 recording device should be set to the standard data output port, its internal storage data should be exported to display and store.
5.4.8 electric valve
A reflux pressure control equipment, electric valve should have its manual operation, after the electric valve manual valve should be connected in series. Therefore, the electric valve
Barrier should alarm.
5.4.9 Inverter fault
Inverter control equipment fire pump running when the inverter failure, fire pumps should automatically switch to frequency mode.
5.5 water supply capacity
5.5.1 pressure tank water supply
Pressure tank water supply capacity should meet the requirements of GB 27898.1-2011 5.5.1, which added volume of water not less than 50L, buffer
The volume of water not less than 50L.
5.5.2 Water Pump
Pump outlet pressure should not exceed 65 per cent of the nominal working pressure of the pump when the pump regulator 5.5.2.1 125% of the nominal flow rate.
5.5.2.2 Fire Pump flow in fire rated pressure px at not less than the amount of water Qx fire rated working traffic.
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.
Zero flow point 5.5.2.5 constant pressure fire pump, 75% of the nominal flow point, the nominal flow point and 115% of the nominal flow point, the maximum pressure variation
Pump nominal value should not exceed 15% of the working pressure.
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 Working withstand pressure equipment parts, and in 1.1 times the maximum working pressure of hydraulic sealing device test duration 15min, should not be
leakage.
5.7.2 Working withstand pressure equipment parts, equipment at 1.1 times the maximum working pressure in the pressure seal test duration 15min, should not be
leakage.
5.8 Pressure strength
Working withstand pressure equipment parts, and in the work of two times the highest hydrostatic strength test equipment pressure continuously 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 The equipment should be set according to the pressure tank, pressure tank total volume of not less than 0.3m3.
5.10.2 provided with pressure tank equipment, pressure tank and accessories shall comply with GB 27898.1-2011, and its outlet diameter of not more
It should be less than 50mm.
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 has a pressure tank equipment, the regulator should be independent of pump settings, flow head of the selection should be consistent with GB 27898.1-2011
Provisions.
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 the rated working pressure of fire
Force px.
5.11.2.4 Fire and Life (production) sharing equipment, fire pumps when used along with life (production) water supply, pump flow rate not less than the nominal consumption
Anti-rated life and work flow (production) and the nominal amount of water, the outlet pressure should not be below the nominal fire rated working pressure px. life
(Production) rated water and water pressure should be "operating instructions" requirement.
5.12 pipe valves and accessories
5.12.1 pipe valves and accessories shall comply with the requirements of GB 27898.1-2011 in 5.13.1.
5.12.2 Fire and Life (production) share equipment fire outlet should be set independently. Life (production) outlet pipe needs to be set according to Save
Pressure device, fire at the outlet should be installed backflow prevention device.
5.13 Instrument Control
5.13.1 Pressure control instruments
Pressure control instruments should be consistent with GB 27898.1-2011 requirements in 5.13.1.
5.13.2 Level control instrumentation
Level control instrumentation shall comply with the requirements in 5.13.4 of GB 27898.1-2011.
5.14 control cabinet
5.14.1 cabinets, cabling, clearances and creepage distances, insulation resistance and dielectric properties, dual power, protection settings, the control circuit is provided,
Input and output terminals, fire pump start circuit is provided shall comply with GB 27898.1-2011 relevant provisions of 5.14.1 - 5.14.8.
5.14.2 When acclimatization performance should be consistent with GB 27898.1-2011 provisions in 5.14.9.1, such equipment is provided with the drive test
The drive should be at the waiters state.
5.14.3 simulate the transport vibration test and test shall comply with the provisions of 5.14.9.2 in GB 27898.1-2011.
Other requirements 5.14.4 Inverter
5.14.4.1 inverter rated power should match the pump with motor power rating.
5.14.4.2 work status of the inverter should be easy to observe, the fault should have sound and light alarm. Terminal block converter should set the fault output terminal.
5.14.4.3 drive should be required to GA61 of electrical fast transient burst immunity and RFEMS test, trial
During the test drive should work correctly.
5.14.4.4 control cabinet configured with the appearance of the drive should be clearly identified.
6 Test methods
6.1 Test the basic requirements
6.1.1 If the manufacturer of the equipment test conditions have special requirements shall be given in "Instruction Book". If the test conditions are not particularly
Requirements of the equipment, the test should be carried out under the following normal atmospheric conditions.
a) temperature of 10 ℃ ~ 35 ℃;
b) the water temperature is 5 ℃ ~ 25 ℃;
c) a relative humidity of 35% to 75%;
d) above sea level should not exceed 2000m;
e) For altitudes above 2000m at the equipment used, it is necessary to consider the dielectric strength, sealing properties severities.
6.1.2 Accuracy test equipment used in the test shall meet the following requirements.
a) the accuracy of pressure measuring instruments should not be lower than 0.4;
b) the accuracy of flow measurement instruments should not be less than 1%;
c) the length of conventional precision measuring instruments should not be less than 1%, the electrical component clearance measurement instrument indication deviation should not exceed 0.02mm;
d) electrical environment monitoring instrument accuracy should not be less than 1%;
Temperature accuracy e) temperature test equipment should not exceed ± 2 ℃.
6.2 Basic parameters check
The control provided by the manufacturer "operating instructions", the basic parameters of technical drawings, technical data and other technical documents, check the device settings.
6.3 Structure Component Inspection
6.3.1 Control manufacturer "Operating instructions", constitute technical drawings, technical data and other technical documents, inspection equipment, components
And so on.
6.3.2 Control manufacturer "Operating instructions", technical drawings, technical data and other technical documents, inspection equipment component selection, recording
Member of specifications, the main technical parameters, the manufacturer, compliance certification, and more.
6.4 Exterior identification check
6.4.1 The outer surface of the control member technical drawings, technical data and other technical documents, inspection equipment and overall appearance and so on.
"Operating instructions", technical drawings, technical data and other technical documents 6.4.2 Control provided by the manufacturer, ......
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