Vacuum Glove Box Single Side Single Work Station with Purification System 

Acceptance Criteria

Under standard conditions, namely 20-25℃constant temperature, relative humidity 65%, 99.999% inert air source, empty tank circulating water oxygen index is less than 1ppm.

Main technical indicators and configuration

1. The box body

1.1. Dimensions: 1200mm (L) x 900mm (H) x 770mm (W).

1.2. Material: stainless steel structure (Type 304), thickness 3mm.

1.3. Filter: aperture 0.3 micron

1.4. Butyl rubber gloves: the thickness of the original import from the United States 0.4mm, 2 ah glove mouth 8 inches, duraluminum-alloy glove mouth (after corrosion treatment, anodized aluminum oxide), 220mm diameter.

1.5. Windows: sloped design operating surface, removable 8mm safety toughened glass front window, wear, corrosion resistance, good light transmission, and a 3/8 inch thick OMEGA seal ring.

1.6. Can maintain a certain positive and negative pressure (-10mbar-10mbar)

1.7. Box is equipped with anti - reflection lighting energy-saving lamp, soft light.

1.8. The box body is provided with display board 2 shelves

1.9. The box body is provided with a porous power supply junction board (Thai plug 220V, 50 Hz)

1.10. Four standard KF-40 ports can be installed in the box.

1.11. Leakage rate: ≤0.001vol%/h.

1.12. Steel structure bracket, 950 mm high with casters, equipped with universal casters.

2. Transition module

2.1. Shape: Cylindrical (304 stainless steel), connected to glove box, with shaft lock large transition door for easy operation.

2.2. Size: 390mm in diameter, 600mm in length large transition chamber, piston door, sliding tray in transition chamber, polishing, a small transition chamber is set in the box, specification: 150mm in diameter, 300mm in length, manual valve control of air pumping and filling.

2.3. Pallet: Free to move and extend (large transition cabin configuration)

2.4. Vacuum ≤1bar(both large and small right transition compartments require vacuum belt display)

3. Control system

3.1. Mode: including self - diagnosis, power - off self - start characteristics, with pressure control and self - adaptation functions. Automatic control, cycle control, password protection, vacuum chamber control using LCD display. Unit control adopts Siemens PLC touch screen.

3.2. Pressure control: control the pressure of the chamber and the transition chamber at a certain set point.

A) The user can arbitrarily set the working pressure interval between +12.5 and -12.5 mbar, and PLC will automatically regulate the pressure of the box within the set range. The default operating pressure range is -1 to +3 mbar.

B) When the box pressure is greater than 12 mbar, PLC automatically opens the safety valve to relieve pressure and protect gloves, equipment and materials in the box.

C) Use foot switch to fine tune the box pressure.

3.3. Foot pedal: can control the pressure of glove box, easy to operate.

4. Circulation system (including purification and regeneration system)

4.1. Germany BASF, United States UOP purification materials, Germany Baode valve. The host system is integrated with modular design. The automatic electronic control gas path solenoid valve set, PLC control, circuit, circulating pump, purification house and display are integrated with an independent purifier, forming a compact and simple system.

4.2. Control: water and oxygen are controlled in less than 1PPm

4.3 Adjustment device: through PLC touch type adjustment (heating, evacuation, purification, regeneration) the whole process except 2.5 hours ventilation without human monitoring.

4.4. Working gas: HE. N2/ or Ar gas (gas circulation)

4.5. Circulating fan: 0-100M ³ high speed variable frequency fan, microprocessor control, pressure tested stainless steel device.

4.6. Purification column: single purification column, imported purification material Germany BASF deoxygenation material 5kg, the United States UOP high-efficiency water absorption material 5kg, extremely high life degree, to ensure that users in the process of using the product's purification ability long lasting. Water removal capacity 2.2㎏ oxygen absorption capacity 63L.

4.7. Purification valve: automatic electro-pneumatic valve.

4.8. Filter: High efficiency filter with 0.3 micron aperture mesh conforming to HEPA standard.

4.9 Regeneration: used for reuse of purification system to activate it; Regeneration requires a mixture of helium /H2, nitrogen /H2 or argon /H2, with H2 accounting for 10%. And then the advanced flow meter into the purification column.

5. Display system

SIEMENS, unit control adopts SIEMENS PLC touch screen. You can switch between Chinese and English.

Water analyzer, (imported from abroad) brand material: British MICHELL/ (according to the customer's use of the environment decision)

Non-domestic or domestic assembly, third party data to ensure credibility.

1) Measurement range: 0-1000ppm

2) Accuracy: ±1% PPM

3) Display: The output of the analyzer is connected to 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 circulation reduction.

5) Environment: -10℃ -- 50℃

6. Oxygen analyzer, (imported from abroad) Brand material: AVCRAY (electrochemical material battery)

Non-domestic or domestic assembly, third party data to ensure credibility.

1) The measurement range can be set: 0-1000ppm

2) Environment: -10℃ -- 50℃

3) Accuracy: ±1% PPM

4) Installation position: The oxygen sensor is installed on the box, no matter whether the gas is circulating or not, the oxygen sensor can continuously detect the atmosphere in the box and display the oxygen content in the glove box.

5) Sensor: electrochemical material battery, its advantages are accurate zero point, small drift, avoid other battery materials easy to be corroded; Low replacement cost (only oxygen batteries).

6) Display: The output of the analyzer is connected to PLC, the detection value is displayed on the touch screen, and the alarm value can be set.

7) Control: Users can choose the automatic cycle function to maintain the oxygen content in the glove box within the user's prescribed range.

7. Vacuum system

Increase the vacuum pump start and stop time control. Vacuum pump adopts British Edwards vacuum pump, model RV12, flow rate 12m3/h, limit vacuum 2x10-3 millibar. The transition chamber can be vacuumed separately and controlled individually at any time. (Imported from abroad)

8. Automatic cleaning of box

Automatic air-controlled electroplating plate; The user sets the cleaning time, and then touches the start button on the touch screen, the system will start cleaning the box, and will stop automatically at the set time.

9. Organic solvent adsorption system

In order to prevent the influence of organic solvents on the purification column, a solvent column was connected in series to the glove-box system. The medium was mainly high quality and efficient activated carbon and activated alumina to prevent the formation of hydrofluoric acid. The filling capacity of the organic solvent adsorption system is 7KG. There are KF40 interfaces on the upper and lower parts of the column, which is convenient for refueling. Users can refueling by themselves.

10. Equipment working conditions :(provided by the user)

1.0. Power supply: two-phase three-wire AC220V, power ≥ 1.5KW;

1.1. The laboratory should have an independent ground wire: < 3ω, from the equipment to the ground wire connection is recommended to use more than 10mm2 flat copper wire;

1.2. Water supply: none;

1.3. Relative humidity: < 75%;

1.4. There is no large amount of dust, corrosive, flammable and explosive gas in the room;

1.5. Equipment floor area: length × width :2000mm× 1200mm

The main configuration