Lab Vacuum Single-sided Six Ports Glove Box with T Type Large Transition Bin
A. Acceptance criteria:
Under the standard condition, that is, under the constant temperature of 20-25 ℃, the relative humidity of 65%, and the inert air source of 99.999%, the circulating water oxygen index of the empty tank body reaches less than 1ppm.
B. The main technical indicators and configuration
1.4. Butyl rubber gloves: original imported from the United States thickness 0.4mm, glove mouth 8 inches, duraluminum-alloy glove mouth (anti-corrosion treatment, anodized aluminum), diameter 220mm.
1.5. Window: Inclined design operating surface, 8mm safety tempered glass front window, wear resistance, corrosion resistance, good light transmission, sealing ring with 3/8 inch thick OMEGA sealing ring.
1.6. Maintain a certain positive and negative pressure (-10mbar-10mbar) during use
1.7. The cabinet is equipped with anti-reflection lighting energy-saving lamps, and the light is soft.
1.8. The box body is provided with a display board 2-layer shelf
1.9. The box is equipped with a porous power terminal board (Power supply: 220V±10% 50Hz±10%)
1.10. Each box is equipped with four standard KF-40 ports.
1.11. Leakage rate: ≤0.001vol%/h.
1.12. Steel structure bracket, including casters 950 mm high, installed with universal casters.
2. Transition cabin
2.1 T type large transition bin
2.1.1. Shape: T-shaped (304 stainless steel), linked glove box two boxes, three door design, easy to operate.
2.1.2. Dimensions: Diameter 390mm, length 700mm large transition cabin, piston door, transition cabin with sliding tray, polishing.
2.1.3. Pallet: Freely movable extension (The large transition compartment is equipped with).
2.1.4. Vacuum degree ≤1bar(Both large and small right transition compartments are required to be able to vacuum and display vacuum values).
2.2 Small transition warehouse
2.2.1. The two boxes are respectively provided with a small transition compartment, which is located in front of the T-bin.
2.2.2. Specifications: Diameter 159mm, length 300mm, manual valve control pumping and replenishing.
2.2.3. Vacuum degree ≤1bar(the vacuum gauge is required to display the vacuum in the transition chamber).
3. Control system (two sets)
3.1. Mode: Including self-diagnosis, power off self-start features, with pressure control and adaptive functions. Automatic control, cycle control, password protection, vacuum chamber control using LCD display. The unit is controlled by Siemens PLC touch screen.
3.2. Pressure control: Control the pressure of the box and the transition chamber at a certain set value.
a) The user can arbitrarily set the working pressure range between +12.5 and -12.5 mbar, and the PLC will automatically adjust the pressure of the box within the set range. The default value of the operating pressure range is -1 to +3 mbar.
b) When the box pressure is greater than 12 mbar, the PLC automatically opens the safety valve to relieve the pressure and protect the gloves, equipment and materials in the box.
c) Use the foot switch to fine-tune the tank pressure.
3.3. Foot pedal: can control the pressure of the glove box, easy operation.
4.Circulation system (including purification and regeneration system) (two sets)
4.1. Germany BASF, United States UOP purification material, Germany Baode valve. The host system is integrated with modular design, automatic electronic control gas solenoid valve group, PLC control, circuit, circulating pump, purification, display integrated with an independent purifier, forming a compact and simple system.
4.2. Control: Water and oxygen are controlled at less than 1ppm.
4.3 Adjustment device: through the PLC touch type adjustment (heating, evacuation, purification, regeneration) the whole process except 2.5 hours of ventilation without human monitoring.
4.4. Working gas: He.N2/ or Ar gas (gas cycle)
4.5. Circulating fan: 0-100m³ high speed variable frequency fan, microprocessor controlled, pressure tested stainless steel device.
4.6. Purification column: single purification column, imported purification material Germany BASF deoxygenation material 5kg, the United States UOP efficient water absorption material 5kg, extremely high life, to ensure that the user in the use of the product purification capacity long-term lasting. Water removal capacity 2.2㎏ oxygen absorption capacity 63L.
4.8. Filter: High efficiency filter with HEPA standard 0.3 micron aperture filter.
4.9, regeneration: used for purification system reuse, so that it is activated; Regeneration requires a mixture of helium /H2, nitrogen /H2, or argon /H2, with H2 accounting for 10%. The recycled gas first flows into the flowmeter and then into the purification column.
5. Display system (two sets)
Germany SIEMENS, unit control using Siemens PLC touch screen. Both Chinese and English can be switched.
6.Water analyzer, (imported from abroad) Brand material: UK MICHELL/ ((two sets))
Non-domestic or domestically assembled, third-party data guarantees credibility.
1) Measuring range: 0-1000ppm
2) Accuracy: ±1% ppm
3) Display: The output of the analyzer is connected to the PLC, the detection value is displayed on the touch screen, and the alarm value can be set.
4) Control: The gas circulation system can be controlled according to the user's setting to achieve cycle drop.
5) Environment: -10℃ -50 ℃
7.Oxygen analyzer, (imported from abroad) Brand material: AVCRAY ((two sets))
Non-domestic or domestically assembled, third-party data guarantees credibility.
1) Measurement range can be set: 0-1000, ppm
2) Environment: -10℃ -50 ℃
3) Accuracy: ±1% ppm
4) Installation position: The oxygen sensor is installed on the box, regardless of gas circulation or not, the oxygen sensor continuously detects the atmosphere in the box and shows the oxygen content in the glove box.
5) Sensor: electrochemical material battery, its advantages are zero accurate, small drift, to avoid other battery materials easy to be corroded; Low replacement cost (only oxygen battery replacement).
6) Display: The output of the analyzer is connected to the PLC, the detection value is displayed on the touch screen, and the alarm value can be set.
Control: The user can choose the automatic cycling function to maintain the oxygen content in the glove box within the user's specified range.
8. Vacuum system (two sets)
Added vacuum pump start-stop time control. Vacuum pump selected British Edwards vacuum pump, model RV12, flow 12m3/h, limit vacuum 2x10-3 mbar. The transition chamber can be vacuumed separately and can be controlled separately at any time. (imported from abroad)
9. Box automatic cleaning (two sets)
Automatic gas control plating plate; The user sets the cleaning time, and then touch the start button on the touch screen, the system will start cleaning the box, and automatically stop at the set time.
10. Organic solvent adsorption system (two sets)
In order to prevent the influence of organic solvents on the purification column, a solvent column is connected in series to the glove box system, and the medium is mainly high-quality and efficient activated carbon and activated alumina to prevent the formation of hydrofluoric acid. The organic solvent adsorption system is filled with 7KG, and there is a KF40 interface on the top and bottom of the column, which is convenient for refueling, and the user can refueling by himself.
11. Equipment working conditions: (provided by the user)
1.Power supply: two-phase three-wire AC220V, power 3Kw;
1.1 The laboratory should have an independent ground wire: < 3Ω, from the equipment to the ground wire connection is recommended to use ≥10mm2 flat copper wire;
1.2. Water supply: None;
1.3. Relative humidity: < 75%;
1.4. No large amount of dust, no corrosive, flammable and explosive gas in the room;
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