CN210968971U - Glove box for inert gas protection test - Google Patents
Glove box for inert gas protection test Download PDFInfo
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- CN210968971U CN210968971U CN201921606582.2U CN201921606582U CN210968971U CN 210968971 U CN210968971 U CN 210968971U CN 201921606582 U CN201921606582 U CN 201921606582U CN 210968971 U CN210968971 U CN 210968971U
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- inert gas
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Abstract
The utility model discloses an inert gas protects experimental glove box belongs to the isolation equipment for the chemical industry. Comprises a box body component, a transition bin component and a circulating filter component. The glove port of the box body assembly is provided with a flexible sealing ring and a flexible isolation ring; and a gas purification device is arranged in a gas inlet or a circulating pipeline of the variable frequency fan of the circulating filter assembly. The utility model discloses, on the one hand, through glove opening department is provided with flexible structure, reduces the wearing and tearing between rubber gloves and the glove opening, improves the leakproofness of glove box, and on the other hand, with original gas purification device from placing inside the becoming of operation box and setting up in the circulating filtration subassembly, improves purifier's utilization efficiency. The problem of current glove box in long-term use, appear because the gas tightness leads to active gas's concentration to exceed standard, and then influence the experimental result is solved.
Description
Technical Field
The utility model belongs to isolation devices for the chemical industry, especially a glove box for inert gas protection test.
Background
The glove box is laboratory equipment which fills high-purity inert gas into the box body and filters active substances in the box body in a circulating mode. Also known as glove boxes, inert gas shielded boxes, dry boxes, etc. Mainly removes oxygen, water vapor, organic gas and other gases, and provides a water-free, oxygen-free and dust-free ultrapure environment. In the processing and preparation processes of nano-scale semiconductor materials, a glove box is often required.
The applicant often fails the experiment because the active gas concentration in the glove box is too high in the glove box used for a long time. Therefore, after careful study on the existing equipment, the problem of air tightness is easily caused due to long-term abrasion between the rubber gloves and glove openings, and the problem of air tightness of the whole glove box is further caused. In addition, in the prior art, the gas purification device is generally disposed at the upper part or the lower part of the operation box, taking nitrogen as an inert gas as an example, for reasons of air tightness and the like, when air enters the operation box, more oxygen molecules are distributed at the lower part of the operation box (relative molecular mass of oxygen is greater than that of nitrogen), and more water vapor molecules are distributed at the upper part of the operation box (relative molecular mass of water molecules is less than that of nitrogen), so that the working efficiency of the gas purification device has strong limitation, and the purpose of removing impurities cannot be achieved at all.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: to solve the above-mentioned problems involved in the background art, a glove box for inert gas shielding test is provided.
The technical scheme is as follows: a glove box for inert gas shielding testing, comprising: the device comprises a box body assembly, a transition bin assembly and a circulating filter assembly.
The box body assembly comprises an operation box body, a support frame arranged at the bottom of the operation box body, a glove opening arranged in the middle of the operation box body, and rubber gloves hermetically connected with the glove opening.
The transition bin assembly comprises a plurality of transition bins arranged on one side of the operation box body, a first transition bin door arranged at the joint of the transition bins and the operation box body, and a second transition bin door arranged outside the transition bins.
Circulation filtering component, be in including setting up the circulation exhaust box at operation box top installs the inside three-way valve of circulation exhaust box installs the inside frequency conversion fan of operation box, one end with frequency conversion fan gas outlet is connected, the other end with the first circulating line that the first air inlet of three-way valve is connected, with the inert gas supply pipe that the three-way valve second air inlet is connected, with the second circulating line that the three-way valve gas outlet is connected sets up the air-out pipeline of operation bottom of the case portion, and set up gas purification device in frequency conversion fan air inlet or the circulating line.
Preferably, the partition plates on two sides of the operation box body are made of transparent acrylic plates.
As a preferable scheme, a temperature adjusting device and a lighting device are arranged in the operation box body, and the temperature adjusting device comprises an electric heater and a temperature detecting device which are arranged in the operation box body, and a control switch which is connected with the electric heater and the temperature detecting device and is arranged outside the operation box body.
As a preferred scheme, the transition bin is internally connected with the circulating filter assembly, and a temperature adjusting device is arranged inside the transition bin.
As a preferable aspect, the gas purification apparatus includes: the oxygen removal filter screen and the water removal filter screen are arranged in the air inlet of the variable frequency fan or the circulating pipeline, and the oxygen removal filter screen and the water removal filter screen are provided with replaceable oxygen absorption and water absorption material interlayers.
As a preferable scheme, a glove ring is fixedly installed on the glove opening, at least two annular grooves are formed in the glove ring, a hoop matched with the glove ring is arranged outside the glove ring, flexible sealing rings are arranged on the fixing surfaces of the annular grooves and the hoop, and the glove ring is connected with a flexible isolation ring made of an external flexible material.
As a preferred scheme, stop valves are arranged at the joints of the operation box body and the circulating pipeline/transition bin or self-sealable connecting pieces are adopted and fixedly connected in a sealed mode through a plate.
Has the advantages that: the utility model relates to an inert gas protects experimental glove box, on the one hand, through glove opening department is provided with flexible structure, reduces the wearing and tearing between rubber gloves and the glove mouth, improves the leakproofness of glove box, and on the other hand, with original gas purification device from placing inside the becoming setting of operation box in circulating filtration subassembly, improves purifier's utilization efficiency. The problem of current glove box in long-term use, appear because the gas tightness leads to active gas's concentration to exceed standard, and then influence the experimental result is solved.
Drawings
Fig. 1 is a schematic view of the external structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a partially enlarged view of the glove port of the present invention.
The reference signs are: the air purifier comprises an operation box body 1, a support frame 2, a glove opening 3, rubber gloves 4, a transition bin 5, a first transition bin door 6, a second transition bin door 7, a circulating exhaust box 8, a variable frequency fan 9, a first circulating pipeline 10, an air supply pipeline 11, a second circulating pipeline 12, an air purifying device 13, an air outlet pipeline 14, an acrylic plate 101, a hand ring 301, an annular groove 302, a hoop 303, a flexible sealing ring 304 and a flexible isolating ring 305.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in the attached figures 1-2, the glove box for the inert gas protection test comprises: the device comprises a box body assembly, a transition bin 5 assembly and a circulating filter assembly.
The box subassembly includes: the operation box body 1, a support frame 2, a glove opening 3 and a rubber glove 4. The support frame 2 is arranged at the bottom of the operation box body 1, and support legs and foldable rollers are arranged at the bottom of the support frame 2; the partition plates on the two sides of the operation box body 1 are transparent acrylic plates 101, so that a user can conveniently operate and directly observe the reaction progress; a plurality of glove ports 3 are arranged in the middle of the partition board of the operation box body 1, and the glove ports 3 are connected with rubber gloves 4 in a sealing mode.
In a further implementation process, as shown in fig. 3, a hand ring 301 is fixedly installed on the glove port 3, at least two annular grooves 302 are provided on the hand ring 301, a hoop 303 matched with the hand ring 301 is provided outside the hand ring 301, flexible sealing rings 304 are provided on fixing surfaces of the annular grooves 302 and the hoop 303, and a flexible isolation ring 305 made of an external flexible material is connected to the hand ring 301. In a traditional connection mode, the flexible rubber glove 4 is usually directly contacted with the rigid glove ring 301, the rubber glove 4 is fixedly connected through the elasticity of the rubber glove 4 and the pressure of the hoop 303, and in the long-term use process, the rubber glove 4 and the glove are rubbed for a long time, so that the rubber glove 4 is easy to damage, and the air tightness problem occurs. In the structure, the flexible sealing ring 304 and the flexible isolating ring 305 are added, so that the rubber glove 4 is prevented from being in direct contact with the glove ring 301 as much as possible, the abrasion to the rubber glove 4 is reduced, and the air tightness of the glove box in the long-term use process is further ensured.
In the further implementation process, a temperature adjusting device and a lighting device are arranged in the operation box body 1, and the temperature adjusting device comprises an electric heater and a temperature detection device which are arranged in the operation box body 1, and a control switch which is connected with the electric heater and the temperature detection device and is arranged outside the operation box body 1.
The transition bin 5 assembly comprises: transition bin 5, first transition bin gate 6, second transition bin gate 7. Wherein, one side of the operation box body 1 is provided with a plurality of transition bins 5, and in order to ensure the air tightness of the glove box, the connection parts of the operation box body 1 and the transition bins 5 are all connected by self-sealing connecting pieces and fixedly connected by penetrating plates in a sealing mode. The first transition bin gate 6 is arranged at the joint of the transition bin 5 and the operation box body 1, and the second transition bin gate 7 is arranged outside the transition bin 5. The first transition bin gate 6/the second transition bin gate 7/the transition bin 5 are controlled to rotate through the handle control screw rod, the rotation motion is converted into linear motion, and then the first transition bin gate 6/the second transition bin gate 7 are controlled to move along the locking bolt, so that the transition bin 5 is closed and opened.
In the further implementation process, the transition bin 5 is internally connected with a circulating filter assembly, and a temperature adjusting device is arranged inside the transition bin 5. The stability of active gas concentration and temperature in transition bin 5 is guaranteed, and the environment inside operation box 1 is prevented from being damaged.
The circulation filter assembly includes: the device comprises a circulating exhaust box 8, a variable frequency fan 9, a first circulating pipeline 10, an air supply pipeline 11, a second circulating pipeline 12, a gas purification device 13 and an air outlet pipeline 14. Wherein, circulation exhaust box 8 sets up operation box 1 top circulation exhaust box 8 internally mounted has the three-way valve, and frequency conversion fan 9 is installed operation box 1's inside, the one end of first circulating line 10 with frequency conversion fan 9 gas outlet is connected, the other end with the first air inlet of three-way valve is connected, and inert gas supply conduit 11 will the second air inlet and the inert gas holding vessel of three-way valve link together, second circulating line 12 one end with the three-way valve gas outlet is connected, and the other end setting is in inside operation box 1, air-out pipeline 14 sets up operation box 1 bottom, and gas purification device 13 sets up in frequency conversion fan 9 air inlet or the circulating line. In the specific implementation process, stop valves are installed at the operating box body 1 and the circulating pipeline or self-sealable connecting pieces are adopted and the operating box body and the circulating pipeline are fixedly connected in a sealed mode through penetrating plates. When the glove box is used for the first time, a second air inlet of the three-way valve is communicated with the second circulating pipeline 12, inert gas is introduced into the operation box body 1 to force air to go out from the air outlet pipeline 14, then the air outlet pipeline 14 and the air inlet pipeline are closed, the first circulating pipeline 10 and the variable frequency fan 9 are opened, and the purposes of performing circulating filtration and absorbing active gas on the air in the operation box body 1 are achieved.
In a further implementation, the gas purification device 13 comprises: the device is characterized in that a deoxidizing filter screen and a dewatering filter screen are arranged in an air inlet or a circulating pipeline of the variable frequency fan 9, and replaceable oxygen-absorbing and water-absorbing material interlayers are arranged on one side of the deoxidizing filter screen and one side of the dewatering filter screen. In the specific implementation process, the oxygen absorbent can be active iron powder, active carbon and metal powder composition, bis-butylated hydroxy methyl anisole or bis-hydroxymethyl ether and other materials. The oxygen absorbent can be allochroic silica gel, anhydrous copper sulfate and other materials. In the specific implementation process, the oxygen absorbing material and the water absorbing material need to be replaced regularly, or the oxygen absorbing material and the water absorbing material need to be deoxidized and dehydrated regularly.
In order to facilitate understanding of the technical scheme of the glove box for the inert gas protection test, the working principle of the glove box is briefly explained: on one hand, the flexible structure is arranged at the glove opening 3, so that direct contact between the rubber glove 4 and the glove ring 301 is avoided as far as possible, abrasion to the rubber glove 4 is reduced, and air tightness of the glove box in a long-term use process is guaranteed. On the other hand, the existing gas purification device 13 is arranged in the circulating filter assembly instead of being placed in the operation box body 1, and when the circulating assembly filters the gas in the operation box, the gas is absorbed by the active gas, so that the utilization efficiency of the purification device is improved. The problem that the concentration of active gas exceeds the standard due to air tightness in the long-term use process of the glove box, and further the experimental result is influenced is solved.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
Claims (7)
1. A glove box for inert gas protection test is characterized by comprising:
the box body assembly comprises an operation box body, a support frame arranged at the bottom of the operation box body, a glove opening arranged in the middle of the operation box body and rubber gloves hermetically connected with the glove opening;
the transition bin assembly comprises a plurality of transition bins arranged on one side of the operation box body, a first transition bin door arranged at the joint of the transition bins and the operation box body, and a second transition bin door arranged outside the transition bins;
circulation filtering component, be in including setting up the circulation exhaust box at operation box top installs the inside three-way valve of circulation exhaust box installs the inside frequency conversion fan of operation box, one end with frequency conversion fan gas outlet is connected, the other end with the first circulating line that the first air inlet of three-way valve is connected, with the inert gas supply pipe that the three-way valve second air inlet is connected, with the second circulating line that the three-way valve gas outlet is connected sets up the air-out pipeline of operation bottom of the case portion, and set up gas purification device in frequency conversion fan air inlet or the circulating line.
2. The glove box for inert gas protection test according to claim 1, wherein the partition plates on both sides of the operation box body are made of transparent acrylic plates.
3. The glove box for inert gas protection test according to claim 1, wherein a temperature adjusting device and an illuminating device are arranged in the operation box body, the temperature adjusting device comprises an electric heater and a temperature detecting device which are arranged in the operation box body, and a control switch which is connected with the electric heater and the temperature detecting device and is arranged outside the operation box body.
4. The glove box for inert gas protection test according to claim 3, wherein the transition bin is connected with the circulating filter assembly, and a temperature adjusting device is arranged inside the transition bin.
5. The glove box for inert gas protection test according to claim 1, wherein the gas purification apparatus comprises: the oxygen removal filter screen and the water removal filter screen are arranged in the air inlet of the variable frequency fan or the circulating pipeline, and the oxygen removal filter screen and the water removal filter screen are provided with replaceable oxygen absorption and water absorption material interlayers.
6. The glove box for inert gas protection test according to claim 1, characterized in that a glove ring is fixedly installed on the glove opening, at least two annular grooves are arranged on the glove ring, a hoop matched with the glove ring is arranged outside the glove ring, flexible sealing rings are arranged on the fixing surfaces of the annular grooves and the hoop, and a flexible isolation ring made of external flexible material is connected to the glove ring.
7. The glove box for inert gas protection test according to claim 1, wherein the connection between the operation box body and the circulation pipeline/transition bin is provided with a stop valve or a self-sealable connector and fixedly connected with the circulation pipeline/transition bin in a sealing mode through a plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606582.2U CN210968971U (en) | 2019-09-25 | 2019-09-25 | Glove box for inert gas protection test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606582.2U CN210968971U (en) | 2019-09-25 | 2019-09-25 | Glove box for inert gas protection test |
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| Publication Number | Publication Date |
|---|---|
| CN210968971U true CN210968971U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921606582.2U Active CN210968971U (en) | 2019-09-25 | 2019-09-25 | Glove box for inert gas protection test |
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| Country | Link |
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| CN (1) | CN210968971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114161482A (en) * | 2021-12-03 | 2022-03-11 | 西南大学 | Dual-cycle constant-temperature humidity-control clean glove box system |
-
2019
- 2019-09-25 CN CN201921606582.2U patent/CN210968971U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114161482A (en) * | 2021-12-03 | 2022-03-11 | 西南大学 | Dual-cycle constant-temperature humidity-control clean glove box system |
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