Lab Double Station Single Side Heating Glove Box with Vacuum System 

I. 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.

II. Main technical indicators and configuration

1. Cabinet

1.1 Size: 1800mm (L) × 900mm (H) × 750mm (W) single-sided.

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

1.3 Filter: pore size 0.3 microns.

1.4 Butyl rubber glove: imported from the U.S. thickness of 0.4mm, glove mouth 8 inches, hard aluminum alloy glove mouth (anti-corrosion treatment, anodized aluminum), caliber 220mm.

1.5 Window: tilted design of the operating surface, removable 8mm safety tempered glass front window, wear-resistant, corrosion-resistant, good light transmission, sealing ring using 3/8 inch thick OMEGA seal.

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

1.7. The box is equipped with anti-reflective lighting energy-saving lamps, soft light.

1.8 The box is equipped with a display board 2 shelves

1.9. The box is equipped with a multi-hole power terminal board (power supply: 220V ± 10% 50Hz ± 10%)

1.10. The box can be set up 3 standard KF-40 interface.

1.11. Leakage rate: ≤ 0.001vol%/h.

1.12. Steel structure bracket, including casters height 950 mm, installed with universal casters.

2. Transition cabin (large or small cabin 250℃ oven)

2.1 Shape: cylindrical (304 stainless steel), connected with the glove box, the use of shaft-locked large transition hatch, easy to operate.

2.2 Dimensions: diameter of 360mm, 600mm long oven, piston door with reflective screen, the transition chamber with a sliding tray, polished, the box is set up in another small transition chamber, specifications: diameter of 150mm, length of 300mm, manual valve control pumping and make-up air.

2.3 Tray: stainless steel 260mm × 580mm, free to move the extension (large over the cabin configuration)

2.4 Vacuum degree ≤ 1bar (large and small right over the cabin are required to vacuum with a display)

2.5 Heating mode: heating wire internal heating.

2.6 The temperature uniformity of the heating area in the chamber ≤ ± 5 ℃, when the temperature is stabilized after the temperature difference between the heating area in the oven and the set temperature: ≤ ± 5 °.

2.7 Maximum heating temperature 250±5℃.

2.8 Display precision of temperature controller: ≤±2°.

2.9 Heating chamber outside the need for water-cooled thermal insulation insulation layer, the outer wall temperature ≤ 50 ℃, and to ensure that the maintenance and replacement of convenient, water-cooled machine customers to provide their own equipment on the reserved φ10 transparent tube water-cooled joints.

2.10 The inner and outer doors of the heating chamber are insulated with multi-layer heat insulation, and the doors are of slanting type.

2.11 Temperature control of the cabin: intelligent digital temperature control instrument table, to achieve automatic uniform heating and heat preservation and other functions; with over-temperature fault alarm and automatic power-off function.

3. Control system

3.1 Methods: including self-diagnosis, power failure self-starting characteristics, 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 transition chamber at a certain set value.

a) Users can set any working pressure interval between +12.5 and -12.5 mbar, and PLC will automatically regulate the box pressure within the set range. The default value of the working pressure interval is -1 to +3 mbar.

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

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

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

4. Circulation system (including purification and regeneration system)

4.1 Germany BASF, the United States UOP purification materials, Germany Baode valve. Host system integrated modular design, fully automatic electronically controlled gas solenoid valve group, PLC control, circuits, circulating pumps, purification columns, monitors integrated into an independent purifier, constituting a compact, simple system .

4.2. Control: water, oxygen control in less than 1PPm

4.3. Adjustment device: through the PLC touch regulation (heating, evacuation, purification, regeneration) in addition to the whole process of 2.5 hours of ventilation without human monitoring.

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

4.5. Circulation fan: 0-100m³ high-speed frequency conversion fan, microprocessor control, pressure-tested stainless steel device.

4.6 Purification column: single purification column, imported purification material Germany BASF deoxidizing material 5kg, American UOP high efficient water absorption material 5kg, very high life span degree, to ensure that the user in the use of the product in the process of purification of the product ability to long lasting. In addition to the water capacity of 2.2㎏ oxygen absorption capacity of 63L.

4.7 Purification valve: full-automatic electropneumatic valve.

4.8 Filter: It adopts the high efficiency filter with 0.3 micron aperture in accordance with HEPA standard.

4.9 Regeneration: used to purify the system again, so that the activation; regeneration needs helium / H2, nitrogen / H2 or argon / H2 gas mixture, of which H2 accounted for 10%. Regenerated gas into the flow meter and then into the purification column.

5. Display system

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

6. Vacuum system

Increase the start-stop time control of vacuum pump. The vacuum pump adopts British Edwards vacuum pump, model RV12, flow rate 12m3/h, ultimate vacuum 2x10-3 mbar. It can vacuum the transition chamber separately and realize separate control at any time. (Imported from abroad)

7. Automatic box body cleaning

Automatic box body cleaning function. Different nature of the gas environment replacement and misoperation into the water, oxygen fast box body automatic cleaning. Box automatic cleaning valve to the box body piping integration using KF25 steel wire pipe firmly connected to the external interface KF25 Pagoda connector.

III. Main technical indicators and configuration

1. Water analyzer, (imported from abroad) brand material: British MICHELL / (in accordance with the customer's use of environmental decisions)

Non-domestic or domestic assembly, third-party data to ensure 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 realize the circulation drop.

5) Environment: -10 ℃ -50 ℃

2. Oxygen analyzer, (imported from abroad) brand material: the United States AVCRAY (in accordance with the customer's use of environmental decisions)

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

1) Measurement range can be set: 0-1000ppm

2)Environment: -10℃-50

3)Accuracy: ±1% ppm

4)Installation position: Oxygen sensor is installed on the box, regardless of the gas cycle or not, the oxygen sensor uninterruptedly detects the atmosphere inside the box and displays the oxygen content inside the glove box.

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

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

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

IV. Organic solvent adsorption system

In order to prevent the impact of organic solvents on the purification column, a solvent column 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. Organic solvent adsorption system filling volume of 7KG, in the column on the lower part of the KF40 interface, easy to change the material, the user can change the material, in order to prevent the formation of hydrofluoric acid, solvent column tank half of activated alumina.

V. Main configurations