Explosion Proof Double Station Stainless Steel Vacuum Glove Box with HF Adsorption Device

(the equipment as a whole prohibit copper and zinc)

1. Cabinet

1.1 Dimensions: 2400mm (L) × 900mm (H) × 770mm (W).

1.2 Material: main stainless steel structure (Type 316L) thickness 3mm.

1.3 Filter: pore size 0.3 micron

1.4 Butyl rubber glove: the thickness of 0.4mm imported from the United States, glove mouth 8 inches, hard aluminum alloy glove mouth (after anti-corrosion treatment, anodic oxidation of aluminum, electrolyte and organic solvents resistant to corrosion), 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; paste anti-corrosion film.

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

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

1.8 The box is equipped with a display board 2 adjustable shelves (rear)

1.9 The box is equipped with explosion-proof socket 2 (power supply: 220V ± 10% 50Hz ± 10%)

1.10. 8 KF-40 ports are set in the box.

1.11. Leakage rate: ≤ 0.001vol%/h.

1.12. Steel structure bracket, including casters 950 mm high, installed with universal casters, the whole package board.

1.13. A φ159mm cover is customized at the bottom of the box. After opening the cover, there is a hopper to transfer materials downward, and the bottom of the hopper adopts DN50 flange to connect with the DN50 automatic valve of the customer.

 

2. Transition cabinet (right side equipped)

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

2.2. Size: diameter 390mm, 600mm long large transition cabinet, piston door, transition cabinet with a sliding tray, polished;

2.3. The right side of the box set up a small transition cabinet, the right side of the specifications: diameter 150mm, length 300mm, manual valve control pumping and make-up air.

2.4. Tray: stainless steel, can be freely moved to extend (used for large transition cabinet).

2.5 Vacuum degree ≤ 1bar (the large and small transition cabinets on the right are required to be vacuumed and displayed with a vacuum gauge) vacuum table using Germany WIKA.

2.6. The transmission parts of the large compartment adopt PTFE.

 

3. Control system (placed in the explosion-proof cabinet, explosion-proof processing explosion-proof level dII BT4)

3.1．Methods: including self-diagnosis, power failure and self-start 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: The pressure sensor HALSTRUP is used to control the pressure of the chamber at a certain set value.

a) The user can set the working pressure interval arbitrarily between +12.5 and -12.5 millibars, and the 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. Explosion-proof foot pedal: can control the pressure of the glove box, convenient operation.

 

4. Circulation system (placed in explosion-proof cabinet, 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, circuit, circulating pumps, purification of the residence, the display is 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, after the pressure test stainless steel device.

4.6 Purification column: single purification column, imported purification material Germany BASF deoxidizing material 5kg, American UOP high efficient water absorbing material 5kg, very high life span degree, ensure 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 60L.

4.7 Purification valve: full-automatic electro-pneumatic 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 for reuse and activation; regeneration requires helium/H2, nitrogen/H2 or argon/H2 gas mixture, of which H2 accounts for 10%.

 

5. Display system (placed on the side of the glove box)

Explosion-proof touch screen, placed on the side of the box.

 

6. Water analyzer, (imported from abroad) Brand: Britain MICHELL / (placed in the explosion-proof cabinet)

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 PLC, the detected 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 ℃

 

7. Oxygen analyzer, (imported from abroad) brand: the United States Avcray (placed in the explosion-proof cabinet)

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

1)Measuring 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.

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

 

8. Explosion-proof vacuum system

The vacuum pump is a Bose explosion-proof vacuum pump, model DRV16, with a pumping speed of 16m³/h and an ultimate vacuum of 2x10-3 mbar. It can vacuum the transition chamber separately and realize separate control at any time.

 

9. Box automatic cleaning (placed in explosion-proof cabinet)

1. Automatic gas control plating plate; box gas automatic cleaning function user set cleaning time, and then touch the start button on the touch screen, the system will begin to clean the box, to the set time is automatically stopped. Increase the vacuum pump start and stop time control.

2. Automatic box cleaning function. Different nature of the gas environment replacement and misoperation into the water, oxygen and rapid automatic cleaning of the box. Box automatic clear valve to the box body piping integration to KF25 steel wire with steel tubes firmly connected to the external KF25 Pagoda connector.

 

10. Organic solvent adsorption system (HF adsorption device)

In order to prevent the impact of organic solvents on the purification column, tandem 1 solvent column to the glove box system, can effectively remove the solvents volatilized out of the system at the same time ready to prevent the formation of hydrofluoric acid adsorbent material, the medium is mainly high-quality high-efficiency activated carbon and activated alumina. The filling quantity is 7KG, there is KF40 interface on the top and bottom of the column, which is convenient for material exchange, and users can change the material by themselves.

 

Equipment working conditions: (provided by the user)

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

2. Laboratory to have an independent ground: <3Ω, from the equipment to the ground connection is recommended to use ≥ 10mm2 flat copper wire;

3. Relative humidity: <75%;

4. Indoor no large amount of dust, no corrosive, flammable and explosive gases;

5. Inert gas: working gas requirements to provide 0.4-0.6mpa, mixed gas working pressure 0.01-0.05mpa;

6. During the installation and commissioning of the pressure reducing valve and gas demand side to provide;

7. Equipment footprint: length × width: 4000mm × 1000mm

8. Weighing requirements: ≤ 500kg / m ³

 

Main configurations and scope of supply

No.	Configuration	Unit (of measure)	Amount	Manufacturer/Brand	Remarks
1	Box	Pcs	2	TMAXCN	304 Stainless steel thickness 3mm
2	Transition cabinet	Sets	2	TMAXCN	304 Stainless steel (large and small compartments)
3	Control system	Sets	1	Germany SIEMENS OMRON electronic devices, etc.	Imported assembled
4	Circulation system (including purification and regeneration system)	Sets	1	Germany BASF, the United States UOP purification materials, Germany Bauder valve	Import assembly
5	Explosion-proof display system	Sets	1	BT4	Ansheng explosion-proof
6	Gloves	Pairs	2	United States	Imported
7	Pipe connections	Sets	1	France Legris	Import
8	Pressure gauges	Sets	2	Germany Wika	Imported
9	PLC water analyzer	Pcs	1	Michell, UK	Import
10	PLC Oxygen Analyzer	Pcs	1	Avcray USA	Imported
11	Explosion-proof vacuum pump	Pcs	1	Bowes	Domestic
12	Oil Mist Filter	Pcs	1	Bowes	Domestic
13	Explosion Proof Foot Pedal	Sets	1	Giant Leap	Domestic
14	Pressure Sensor	Sets	1	Explosion-proof	Imported
15	HF Adsorption Column	Sets	1	TMAXCN	304

 

Acceptance criteria

Under the standard condition, i.e. 20-25℃ constant temperature, 65% relative humidity, 99.999% inert gas source, the oxygen index of circulating water in the empty box body reaches less than 1ppm.