Laboratory Vacuum Double Side Four Station Glove Boxx 

Technical solution of Lab2000

A. Acceptance standard

Under standard conditions, that is, under constant temperature of 20-25 ℃, relative humidity of 65% and inert air source of 99.999%, the oxygen index of circulating water in empty tank body is less than 1ppm.

B. The main technical indicators and configuration

1. Box body

1.1. Size: 2400mm (L) x 900mm (H) x 1000mm (W).

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

1.3. Filter: Aperture 0.3 micron

1.4. Butyl rubber gloves: original imported from the United States thickness 0.4mm, glove mouth 8 inches, POM glove mouth, caliber 220mm.

1.5. Window: Tilted operating surface, 8mm safety tempered glass front window, wear resistance, corrosion resistance, good light transmission, 3/8 inch thick OMEGA sealing ring.

1.6. It can maintain a certain positive and negative pressure (-10mbar-10mbar) when used.

1.7. The cabinet is equipped with anti-reflection lighting energy-saving lamp, the light is soft.

1.8. The box body is provided with two layers of display board hoisting shelves

1.9. The box is provided with a porous power terminal board (Power supply: 220V±10% 50Hz±10%)

1.10. Three standard KF-40 ports can be configured on the housing.

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 Large and small transition bins (right side)

2.1.1 Shape: Cylindrical (304 stainless steel), connected with glove box, adopt shaft lock large transition door, easy to operate.

2.1.2 Size: large transition cabin with diameter of 390mm and length of 600mm, piston door, transition cabin with sliding tray and polishing, box body equipped with a small transition cabin, specifications: diameter of 150mm, length of 300mm, manual valve control of air extraction and ventilation.

2.1.3. Tray: Freely movable extension (large overcabin configuration)

2.1.4. Vacuum degree ≤1bar(vacuum belt display is required for both large and small right transition cabins)

3. Control system

3.1. Mode: Including self - diagnosis, power off - start feature, with pressure control and self - adaptive function. 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 box and the transition chamber at a certain set value.

a) The user can set the working pressure range between +12.5 and -12.5 mbar at will, and PLC will automatically adjust the pressure of the box within the set range. Default values for operating pressure ranges are -1 to +3 millibars.

b) When the case pressure is greater than 12 mbar, PLC will automatically open the safety valve to relieve pressure and protect gloves, equipment and materials in the case.

c) Use the foot switch to fine-tune the tank pressure.

3.3. Foot pedal: can control the pressure of glove box, convenient operation.

4. Circulation system (including purification and regeneration system)

4.1. Germany BASF, United States UOP purification material, Germany Baode valve. The host system is integrated with modular design, fully automatic electric control air circuit solenoid valve group, PLC control, circuit, circulating pump, purification, display integrated with an independent purifier, to form a compact, simple system.

4.2. Control: Water and oxygen are controlled at less than 1PPm

4.3. Adjusting device: Through PLC touch type adjustment (heating, pumping, 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 frequency conversion fan, microprocessor controlled, pressure tested stainless steel device.

4.6. Purification column: single purification column, imported purification material German BASF deoxygenation material 5kg, the United States UOP highly efficient water absorption material 5kg, extremely high life, to ensure that the user in the use of the product purification capacity long lasting. Water removal capacity 2.2㎏ oxygen absorption capacity 63L.

4.7. Purification valve: automatic electro-pneumatic valve.

4.8. Filter: H13 high efficiency filter with 0.3 micron aperture screen conforming to HEPA standard.

4.9. Regeneration: used to reuse the purification system and activate it; Regeneration requires a mixture of helium /H2, nitrogen /H2, or argon /H2, with H2 accounting for 10%.

5. Display system

SIEMENS, Germany, unit control using Siemens PLC touch screen. Both Chinese and English can be switched.

6.Water analyzer, (imported from abroad) brand material: UK MICHELL/ (according to customer use environment decision)

Non-domestic or domestic assembly, third party data guarantees 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 Settings to achieve circulation drop.

5) Environment: -10℃ -- 50℃

7.Oxygen analyzer, (imported from abroad) brand material: AVCRAY (according to customer use environment decision)

Non-domestic or domestic assembly, 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 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, small drift, 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 PLC, the detection value is displayed on the touch screen, and the alarm value can be set.

Control: The user can choose the automatic circulation function to maintain the oxygen content in the glove compartment within the user's specified range.

8. Vacuum system

Added vacuum pump start-stop time control. Edwards vacuum pump, model RV12, flow 12m3/h, limit vacuum 2x10-3 millibar. The transition chamber can be vacuumed separately and can be controlled separately at any time. (imported from abroad)

9.Box body automatic cleaning

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

10. Organic solvent adsorption system

To prevent the effect of organic solvent on the purifying column, a solvent column is connected in series to the glove box system. The medium is 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 top and bottom of the column, which is convenient for refueling. Users can refueling by themselves.

11. Working conditions of the equipment: (provided by the user)

1.0. Power supply: two-phase three-wire AC220V, power ≥1Kw;

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

1.5. Equipment covers area: Length × width :3200mm× 1200mm

C. Main configuration