Lab Single Side Double Station Glove Box with Low Temperature Cold Well and Oven 

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.

English panel, English operation screen.

B. The main technical indicators and configuration

1. Box

1.1. Size: 1800mm (L) ×900mm (H) ×750mm (D) single side.

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, duraluminum-alloy glove mouth (anti-corrosion treatment, anodized aluminum), diameter 220mm.

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

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. The box can be configured with five 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. Shape: Cylindrical (304 stainless steel), connected to the glove box, with shaft lock type large transition door, easy to operate.

2.2. Size: Diameter 360mm, length 600mm oven, piston door with reflection screen, transition compartment with sliding tray, polishing, box with a small transition compartment, specifications: diameter 150mm, length 330mm, manual valve control pumping and replenishing.

2.3. Tray: stainless steel 260mm×580mm, free to move and extend (large transition cabin configuration)

2.4. Vacuum degree ≤1bar(large and small right transition chamber requires a vacuum gauge to display)

3. Heating oven (left)

3.1. Size: 400mm×400mm×250mm (D×H×L)

3.2. Heating temperature: room temperature to 100℃

3.3. Temperature control accuracy: ±1℃

3.4. Features: Internal cabin door design, easy to open.

4. Control system

4.1. 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.

4.2. 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.

4.3. Foot pedal: can control the pressure of the glove box, easy operation.

5. Circulation system (including purification and regeneration system)

5.1. Germany BASF, United States UOP purification materials, 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.

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

5.3. Adjustment device: The whole process of PLC touch adjustment (heating, evacuation, purification, regeneration) without human monitoring except 2.5 hours of ventilation.

5.4. Working gas: He.N2/ or Ar gas (gas cycle)

5.5. Circulating fan: 0-100m³ high speed variable frequency fan, microprocessor controlled, pressure tested stainless steel device.

5.6. Purification column: a 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 of long-term lasting. Water removal capacity 2㎏ oxygen absorption capacity 60L.

5.7. Purification valve: automatic electro-pneumatic valve.

5.8. Filter: High efficiency filter with HEPA standard 0.3 micron aperture filter.

5.9, regeneration: used for purification system reuse, make it active; Regeneration requires a mixture of helium /H2, nitrogen /H2, or argon /H2, with H2 accounting for 10%. Then the gas goes into the flowmeter and then into the purification column.

6. Display system

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

7. Vacuum system

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)

8. Box automatic cleaning

Automatic case cleaning function. Different nature of the gas environment replacement and misoperation of water, oxygen fast box automatic cleaning. The box automatic cleaning valve is firmly connected to the pipe integration of the box with KF25 steel wire pipe, and the external interface is KF25 pagoda connector.

9. Refrigeration system

Size: 400mm×400mm×425mm (L×W×H)

Cooling temperature: -6℃ -5 ℃

Temperature control accuracy: ±1℃

Temperature return difference: 4℃

Features: The upper part of the cold trap is encrypted cover (load-bearing), the cover is set on the handle for easy opening, and the cold trap is covered with the seal cover and the bottom of the glove box.

Refrigeration method: compressor refrigeration

C. The main technical indicators and configuration

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

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 ℃

2. Oxygen analyzer, (imported from abroad) Brand material: United States AVCRAY (according to customer use environment decision)

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.

7) Control: The user can choose the automatic cycle function to maintain the oxygen content in the glove box within the specified range of the user.

D. Organic solvent adsorption system

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 to facilitate refueling, and the user can refueling by himself. In order to prevent the formation of hydrofluoric acid, the solvent column tank is half activated alumina.

E. Main configuration