熙研生物科技
03
03
QYEF6LE SF6 laboratory construction
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Product description

  The construction of QYEF6LE SF6 laboratory is to consider the characteristics of SF6 gas experiment in the comprehensive platform, and carry out the design from the aspects of environment and facility conditions, function and layout, and safety protection, establish a gas experiment evaluation platform, and control standard gases and special gases. And adjustment.

  Product Features

   Debugging method of dew point meter:

   1. Use the tester to evaluate the platform to adjust the flow of dry gas and undried gas to produce gases with different humidity

  2. Use high-precision standard equipment for measuring moisture content to transmit humidity standards

  3, the zero point and low humidity range adjustment of the dew point meter

  4. Multi-point comparison calibration of dew point meter

   The debugging method of SF6 gas decomposition product detector:

  1. Preheating and zeroing of the gas distributor, access to standard gas and dilution gas

  2. The zero point and span adjustment of each component sensor of the decomposition product detector is the verification of decomposition product analysis

  Product parameters

   One, product name and model

   Product name: SF6 laboratory? ??? Product model: OYEF6LE

  1. Product performance description

According to the relevant national safety regulations and the relevant requirements of the current power system for safe production, laboratories engaged in the testing of SF6 gas and SF6 gas decomposition products must provide an intelligent environmental monitoring system to ensure personal safety. The OYEF6LE series SF6 laboratory construction plan is for SF6 A special laboratory established for gas experiments, which can perform calibration, verification and testing of various testing instruments.

  2. Scope of application:

   The SF6 laboratory construction program is mainly aimed at the verification, detection and calibration and performance evaluation of dew point meters, SF6 gas decomposition product detectors, SF6 gas purity testers, combustible gas detection alarms, gas leak detectors and various gas sensors.

  3, technical indicators:

   (1) Air source: oil-free compressed air provided by a matching oil-free air compressor, with a pressure of 0.6 MPa. Gas can also be supplied directly from standard gas cylinders

   (2) Sample gas flow: usually 4L/min atmospheric pressure air. The flow value can also be customized at any point within the range of (1-5) L/min according to requirements

   (3) Dew point index (unit: CDP):

Dew point set point (frost point)

-10

-20

-30

-40

-50

-60

-70

stability

±0.1

±0.1

Accuracy

±0.5

±1.0

Note: 1. The value of each output point of the generator is the frost point

  2, within the range of 10°CDP—70°CDP, the set point can be customized at any point according to customer needs

  3, can also be customized according to the volume of water-containing PPMV

  4, gas distribution instrument index:

    Four-way electronic mass flow controller AFC 1#. AFC 2#, AFC 3#, AFC 4#

    AFC1#. AFC 2#. AFC 3# range 1 50ml/min, accuracy 1'/F.S

    AFC 4# range 600ml/min, accuracy 1%FS. The minimum output flow of each AFC is 1/50 of the full scale

    Maximum dilution factor: 200:1

    The maximum output flow rate is not less than: 1000ml/min

    Gas distribution uncertainty: ±1%F.S.

    Flow linearity error: ≤±0 5%F. S.

Gas path Four simultaneous air intake
Single channel maximum gas ratio

1:70

Uncertainty of gas distribution

±1%F.S.

Flow linearity error

≤±0.5%F.S.

Maximum output flow

1000ml/min(SF6)

  5. Structure description:

   (1) Environmental condition requirements: ventilation, humidity and temperature, cleanliness

   (2) Requirements for facility conditions: water supply and drainage, power supply, gas supply and exhaust

   (3) The office area is separated from the experimental area, that is, an uncontrolled area and a controlled area are formed. Equipped with necessary central test benches, German-style fume hoods, fans and air ducts and gas pipeline engineering

   (4) Laboratory safety protection facilities. SF6 leak alarm/content meter can quickly respond to changes in the content of toxic gases and oxygen

  (5) Swagelock stainless steel products are used for ball valves, joints and needle valves. The gas pipeline adopts imported stainless steel pipe and polytetrafluoroethylene pipe

   (6) Small silent air compressor

(7) The compressed air filter adopts the filter element made of imported high-efficiency separation filter material and special sponge and other materials. The shell is made of stainless steel and is equipped with differential pressure gauge, liquid level gauge, automatic drain and other accessories, which can filter out the compressed air. Dust, oil and moisture, small size, high filtration efficiency, high precision, easy to use and maintain, can meet the requirements of compressed air purification treatment.

  (8) The adsorption air dryer is a vertical heatless regeneration adsorption air dryer, which uses the principle of pressure swing adsorption to dry compressed air, introduces American technology, and is made of stainless steel. The dryer can be matched with a small air compressor. The filter element adopts 4A molecular sieve, and the pressure dew point is -70℃. The design and manufacture of the dryer comply with various domestic and foreign standards and specifications, such as GB/T10893-22006 "Compressed Air Dryer" standard". GB150 "Steel Pressure Vessel" or ASME standard.

  (9) The dynamic gas distributor adopts the principle of mass flow mixing method. It is a professional standard gas distributor. It can pass a higher concentration of sample gas and mix with a lower concentration of standard gas required by Vivix.

  (10) SF6 gas comprehensive detector is a modular design test equipment. The dew point measurement module adopts the cold mirror principle measurement method, which has high measurement accuracy and can be used as a humidity standard transmission device. The SF6 gas decomposition product detection module adopts imported electrochemical sensors, which can be configured with SO2 test card, H2S test card, HF test card, CO test card, etc. The SF6 purity detection module is mainly used to measure the SF6 gas purity (percentage content) of SF6 and air, SF6 and N! mixed gas, using a thermal conductivity sensor imported from Germany with temperature compensation, combined with a dual constant temperature insulation system, to maximize the guarantee The measurement is not affected by sample gas temperature and ambient temperature

We could not find any corresponding parameters, please add them to the properties table

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