CN2263573Y

CN2263573Y - Simple air-injection and air-bleed type no-polution gloves box

Info

Publication number: CN2263573Y
Application number: CN 96218352
Authority: CN
Inventors: 吴丰; 刘宇斌; 张志广; 徐荣栏; 林必玉; 赵士吾; 李思林
Original assignee: National Space Science Center of CAS
Current assignee: National Space Science Center of CAS
Priority date: 1996-09-10
Filing date: 1996-09-10
Publication date: 1997-10-01
Anticipated expiration: 2006-09-10

Abstract

The utility model relates to the technical field of simple air-injection and air-bleed type no-pollution experimental equipment, which is composed of a vacuum chamber of a main tank, a trace oxygen detector, circuits and control plates for pipe passages. The circuits and the pipe passages are used for connecting each part respectively, and all the operation of the circuits and the pipe passages can be completed on the circuits and the control plates of the pipe passages uniformly. The utility model has the advantages that the utility model is a set of no-oxygen and no-dust operational system, the purposes of monitoring the oxygen content in the tank in real time, controlling the pressure in real time and monitoring the vacuum degree and safe air-injection are reached, a larger work piece is operated in a tank body which is not big, the waste is easy of washing and removing, etc.

Description

A kind of simple gas injection and the pollution-free glove box of gas escape type

The utility model relates to a kind of simple gas injection and the pollution-free experimental facilities technical field of gas escape type.

China 401 be the long-established enterprise that produces glove box, the product of production has the vacuum ventilation type, shortcoming is that wall thickness, operating space are little; The glove box that Beijing semiconductor devices factory, Great Wall, Changping air purifier factory produce with the circulation of superpressure gas through filtering, but it has the shortcoming that contains oxygen and non-tight structure.

Goal of the invention; Active for operation in oxygen-free environment, be easy to burn or contaminated environment or be subjected to the material of environmental pollution, for example barium (Ba) is easy to oxidizing fire, and its oxide is the metallics with toxicity, for can safety operation and carry out the packing of this class material and powdered and designed the utility model.

Technical scheme: simple gas injection described in the utility model and the pollution-free glove box of gas escape type, by the main tank vacuum chamber, the micro amount of oxygen analyzer, circuit, pipeline control panel are formed, be connected with pipeline by circuit respectively between the each several part, the operation of all circuit and pipeline is all finished on circuit, pipeline control panel.

Fig. 1 is the utility model structural representation.

(1) main tank, (22) main tank gas vent, (2) shaft bottom air inlet, (3) main tank air inlet, (4) illuminating lamp, (5) well device, (6) oxygen analyser probe, (7) two glove ports and gloves, (8) vacuum chamber, (9) vacuum chamber air inlet, (10) vacuumize valve, (11) vacuum meter, (12) gas samping pump, (13) hydraulic pressure draw-bar formula rotation Vacuum door, (23) transition door, (14) micro amount of oxygen analyzer, (15) circuit, the pipeline control panel, (16) main tank pressure gauge, (17) vacuumize switch, (18) mechanical pump switch, (19) gas injection flowmeter, (20) air intake valve, (21) total power switch, floor drain (24).

Below in conjunction with accompanying drawing structure of the present utility model and operation principle are described respectively.

The utlity model has main tank (1), main tank (1) is provided with main tank gas vent (22), shaft bottom air inlet (2), main tank air inlet (3), illuminating lamp (4), one well device (5) is arranged at main tank (1) bottom, and be connected with main tank (1) by ring flange, so that adapt to the operation of big workpiece, main tank top is provided with oxygen analyser probe (6), the front of main tank (1) is provided with two glove ports (7) corrosion-resistant air-locked gloves is housed, and gloves and glove port adopt and be tightly connected, and main tank ground portion also has floor drain (24); Vacuum chamber (8), vacuum chamber (8) is provided with vacuum chamber air inlet (9), vacuumizes valve (10), vacuum meter (11), gas samping pump (12), hydraulic pressure draw-bar formula rotation Vacuum door (13), transition door (23); Micro amount of oxygen analyzer (14); Circuit, pipeline control panel (15), circuit, pipeline control panel (15) are provided with main tank pressure gauge (16), vacuumize switch (17), mechanical pump switch (18), gas injection flowmeter (19), air intake valve (20), total power switch (21).Air inlet (2) and (3) and gas bomb, vacuumize valve (10) and vacuumize switch (17), vacuumize switch (17) and be connected by pipeline with vacuum extractor at oxygen measuring probe (6) and micro-oxygen analyser (14), vacuum chamber air inlet (9) and gas injection flowmeter.

The course of work of the present utility model is: when for the first time to injection or topping up, this gas as argon gas (Ar), is opened air intake valve (20), and then gas enters main tank (1) by (2) and (3), opens (22) air simultaneously and discharges at this; To be operated thing and put into vacuum chamber (8) and close (13), open (10), and start (17) vacuum chamber is bled; Open (20), by ((19) and (9) inject nontoxic falling property gas, as argon gas, make (17) when reaching normal pressure, open (23) operating in the operation thing immigration (1); By (16) (1) is carried out pressure measxurement, guarantee that (1) pressure is normal; , finish micro amount of oxygen by (14) and measure (1) gas sampling by (6), protect positive anaerobic working environment.

The utility model has the advantages that:

1. anaerobic, dustless operating system have been realized;

2. owing to be provided with oxygen analyser, realized oxygen content in the case is monitored in real time;

3. owing to be provided with vacuum meter, pressure gauge, flowmeter and closing valve is arranged, realized the purpose of real-time controlled pressure, vacuum and safety discharging air:

4. owing to establish a well device, realized the big workpiece of operation in little casing at bottom half;

5. because the main tank bottom has floor drain, be easy to washing and remove discarded object.

Claims

1. simple gas injection and the pollution-free glove box of gas escape type, it is characterized in that having main tank (1), main tank (1) is provided with main tank gas vent (22), shaft bottom air inlet (2), main tank air inlet (3), illuminating lamp (4), there is a well device (5) main tank (1) bottom and is connected with main tank (1) by ring flange, so that adapt to the operation of big workpiece, main tank top is provided with oxygen analyser probe (6), the front of main tank (1) is provided with two glove ports (7) corrosion-resistant air-locked gloves is housed, and gloves and glove port adopt and be tightly connected, the bottom of main tank also has floor drain (24); Vacuum chamber (8), vacuum chamber (8) is provided with vacuum chamber air inlet (9) and vacuumizes valve (10), vacuum meter (11), gas samping pump (12), hydraulic pressure draw-bar formula rotation Vacuum door (13), transition door (23); Micro amount of oxygen analyzer (14); Circuit, pipeline control panel (15), circuit, pipeline control panel (15) are provided with main tank pressure gauge (16), vacuumize switch (17), mechanical pump switch (18), gas injection flowmeter (19), air intake valve (20), total power switch (21), air inlet (2) and (3) and gas bomb, oxygen measuring probe (6) and micro-oxygen analyser (14), vacuumize valve (10) and vacuumize switch (17), vacuumize switch (17) and be connected by pipeline with vacuum extractor at vacuum chamber air inlet (9) and gas injection flowmeter.