CN208667707U - A kind of anaerobism glove box - Google Patents
A kind of anaerobism glove box Download PDFInfo
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- CN208667707U CN208667707U CN201820826108.XU CN201820826108U CN208667707U CN 208667707 U CN208667707 U CN 208667707U CN 201820826108 U CN201820826108 U CN 201820826108U CN 208667707 U CN208667707 U CN 208667707U
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- glove box
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Abstract
The utility model discloses a kind of anaerobism glove boxes, including cabinet, deoxygenation unit, circulating fan；The deoxygenation unit includes the pre- deoxygenation unit of gas and purification deoxygenation unit；The circulating fan connects the pre- deoxygenation unit of gas；The pre- deoxygenation unit of gas connects the purification deoxygenation unit；Palladium catalyst is filled in the purification deoxygenation unit.The pre- deoxygenation unit of gas and purification deoxygenation unit in the utility model can be used for handling the higher anaerobic gas of oxygen content, wherein can eliminate oxygen therein containing 5~10% hydrogen, meet the technique of anaerobic incubation more demanding to anaerobic environment.
Description
Technical field
The utility model belongs to experiment equipment technical field, and in particular to a kind of anaerobism glove box.
Background technique
Anaerobism glove box is widely used in the scientific researches necks such as medicine, biology, chemical, nuclear energy, lithium electricity and machining
In domain and the manufacturing.Anaerobism glove box can provide the experimental situation of anaerobic to microorganism, the separation for anaerobe
Play the role of in incubation vital.
Have in the unit of glove box deoxygenation at present and use active copper as oxidation material, active copper is sent out with oxygen when heated
Raw oxidation reaction generates copper oxide, to eliminate the oxygen in glove box.It needs to be passed through hydrogen when active copper is depleted and adds
Heat makes copper oxide that reduction reaction occur and generates copper, achievees the purpose that active copper reuses.But meeting deoxygenation is for a period of time in this way
Afterwards with regard to being regenerated, if oxygen content is more in gas, using once with regard to being regenerated, and deoxygenation and regeneration are all
It needs to heat, except oxide structure is also more complicated, brings many constant to using, and active copper constantly consumes in use
Cause and to regenerate infinitely except oxygen amount is limited, the active copper more renewed will lead to that increased production cost.In addition copper is catalyzed
Method be also not suitable for the anaerobic gas containing hydrogen processing.
Disclosed in Chinese patent CN 205817917U can metal melting formula automatic water-removing deoxygenation glove box, including gloves
Cabinet, cooling-water machine and control cabinet, glove box body is interior to be equipped with copper crucible and copper crucible cooling water-cooled plate, is equipped with and controls in control cabinet
Device, cycle equipment and gas filter plant；Pass through water pipe between the copper crucible, copper crucible cooling water-cooled plate and cooling-water machine
Connection realizes that waterway circulating communicates；Connected between the gloves cabinet, cycle equipment and gas filter plant by tracheae
It connects, realizes that gas circuit circulation communicates；The controller and the intracorporal moisture of glove box, oxygen monitor regulating device circuit connection, use
In monitoring and adjusting the intracorporal water of glove box, oxygen content, metal melting is additionally provided at copper crucible in the inner cavity of gloves cabinet
Equipment.In use, controller is adjusted first, so that the moisture of working environment, oxygen content are down to requirement of experiment in glove box body
Setting range after, the Experiment Metal sample after cleaning is placed on copper crucible, the size of current of metal melting equipment is adjusted,
Sample is melted, after sample is cooling, sample is taken out from gloves cabinet, carries out follow-up test；Meanwhile gloves cabinet
Interior working environment can continue to use for subsequent metal melting.Its principle is when oxygen occurs for oxygen in glove box body and copper crucible
Change reaction and generate copper oxide, control oxygen index is reached in the mesh of claimed range to consume the oxygen in gloves cabinet with this
's.But need using plurality of devices, oxygen removal process is more complex, at high cost, and high-temperature fusion copper earthenware is used in glove box
Crucible has certain risk, is also not suitable for the anaerobic gas processing containing hydrogen.
A kind of deoxidation method of glove box, the glove box of the utility model are disclosed in Chinese patent CN105013324 A
Deoxidation method make oxygen in recyclegas and hydrogen hybrid reaction under the action of palladium catalyst, palladium catalyst is only urged
Agent is not reactant, it is thus possible to it reuses, purification deoxygenation unit does not need to regenerate, and structure design is simple, control is simple,
And greatly reduce the volume of glove box.Contain hydrogen in this anaerobic box, as the oxygen for removing trace, but because it is domestic
Oxygen content is sometimes too many in gas, under the action of palladium catalyst, is not enough to remove oxygen in time.
A kind of integrated glove box, including cabinet and transitional storehouse are disclosed in Chinese patent CN105014691B, further include setting
The renewable gas purge system on the cabinet is set, the renewable gas purge system includes that circulating fan and purification remove
Oxygen unit, the purification deoxygenation unit is interior to be filled with oxygen scavenging material, and the circulating fan is used to for recyclegas being sent in cabinet,
The gas is removed the oxygen in the gas by the oxygen scavenging material in purification deoxygenation unit.The oxygen scavenging material is urged for palladium
Agent or catalyst catalyst, catalyst catalyst are copper catalyst catalyst and/or manganese catalyst catalyst.When oxygen content is too in gas
When more, this method is also not enough to remove oxygen.
All gas is not pre-processed in above-mentioned patent, wherein larger amount of oxygen is not can be removed, may result in
Oxygen, which can not be removed, in glove box completely causes the experiment more demanding to anaerobic environment that can not carry out.
Byong-Hun Jeon et al. is in periodical Journal of Environmental Engineering, Volume
A kind of method that the remaining oxygen in anaerobic gas is checked using oxygen trap is disclosed in 130Issue 11, oxygen trap solution includes hydrogen-oxygen
Change iron, FeCl2, tris buffer, appropriate KOH and water, wherein ferric concentration is 93.2mM, FeCl2Concentration is 0.90mM,
Tris buffer concentration is 0.1M, pH 8.1.The utility model is used to its oxygen trap solution to carry out deoxygenation to anaerobic gas to locate in advance
Reason, to improve the anaerobic environment in anaerobic box.
Summary of the invention
In order to overcome the deficiencies of the prior art, a kind of anaerobism glove box provided by the utility model, while there is gas to remove in advance
Oxygen unit and purification deoxygenation unit can remove oxygen in gas thorough.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions: a kind of anaerobism glove box,
Including cabinet, deoxygenation unit, circulating fan；The deoxygenation unit includes the pre- deoxygenation unit of gas and purification deoxygenation unit；It is described
Circulating fan connects the pre- deoxygenation unit of gas；The pre- deoxygenation unit of gas connects the purification deoxygenation unit；The purification removes
Palladium catalyst is filled in oxygen unit；The pre- deoxygenation unit of gas include equipped with the glass container of oxygen trap solution, magnetic stirring apparatus,
Valve and gas enter pipeline and output channel.The utility model gas enters the pre- deoxygenation unit of gas by circulating fan can
It is anti-by palladium catalyst catalytic oxygen and hydrogen then by purification deoxygenation unit to remove oxygen most in gas
It answers, removes the oxygen of trace, achieve the purpose that eliminate oxygen.The utility model can be used for the higher domestic anaerobism of oxygen content
Gas, wherein containing 5~10% hydrogen.Cost can be reduced using domestic anaerobic gas, by removing for the utility model
Oxygen unit can achieve preferable anaerobic condition, meet the technique of anaerobic incubation more demanding to anaerobic environment.
Preferably, the pre- deoxygenation unit of the gas include equipped with the glass container of oxygen trap solution, magnetic stirring apparatus, valve with
And gas enters pipeline and output channel, oxygen trap solution includes iron hydroxide, FeCl in the glass container2, tris buffer,
Appropriate KOH and water, wherein the concentration of ferric iron (Fe (III)) is 93.2mM, FeCl2Concentration is 0.90mM, tris buffer concentration
For 0.1M, pH 8.1.The reaction speed of the oxygen trap solution and oxygen of the preferred gas of this programme and processing unit is fast, can be fast
Larger amount of oxygen in speed removal gas, oxygen removal efficiency is high, and can be confirmed whether in gas by color change after its reaction
Whether oxygen is contained, it can more conversion materials in time if darkened.
Due to the crystal of Fe (III) oxide, there is very high surface area/volume, it is easy to react.Fast instant
It starts to precipitate out when solving Fe (m) solution, can be mentioned in the preparation by heating acidity Fe (III) solution to 80 DEG C or quickly
The pH of its high alkaline solution is made.
Preferably, the pre- deoxygenation unit of the gas includes two groups of glass containers equipped with oxygen trap solution in parallel, passes through valve
Door control selections path passes through gas from the oxygen trap solution in one of glass container.The valve can be Electronic control
Triple valve, or glass three-way valve can also realize the selection of gas circuit by the way that two hand-operated valves are arranged on tee tube.
The oxygen trap solution material that another gas circuit can be switched in time when one of oxygen trap solution reaction is complete, and more renewed.Institute
The glass container equipped with oxygen trap solution that the pre- deoxygenation unit of gas can also include multiple groups parallel connection is stated, multi-pass pipeline and valve are passed through
Control selections path passes through gas from the oxygen trap solution in one of glass container.
Preferably, purification is except water unit, purification deoxygenation unit both ends there are two also setting up on the anaerobism glove box
A purification is separately connected except water unit.Gas first passes through the pre- deoxygenation unit deoxygenation of gas, then single by a purification water removal
Member water removal, using purification deoxygenation unit carry out deoxygenation, using purification remove water unit, first purification remove water unit, can will
Moisture in gas and the moisture taken out of from pretreatment unit remove together, avoid influencing palladium catalyst in purification deoxygenation unit
To the catalytic deoxidation process of hydrogen, guarantee that the oxygen of trace can also be removed, extends the service life of palladium catalyst, second
Purification is removed except the moisture that water unit can be such that palladium catalyst catalytic deoxidation process is formed.
Preferably, it is additionally provided with gas filtration and absorptive unit on the anaerobism glove box, for filtering in gas
Grain object and absorption organic gas therein.Existing particulate filter and organic can be installed in the filtering and absorptive unit
Gas absorber can select different organic gas absorbers according to different experiment demands.
Preferably, the cabinet side also set up horizontal alignment a small transitional storehouse and a great transition storehouse.Passed through
Crossing storehouse can be convenient realization sample from the anaerobic environment passed in and out in glove box without destroying in glove box.
It is highly preferred that second transitional storehouse is additionally provided among the cabinet and the transitional storehouse, second transition
The warehouse in storehouse is equipped with a gloves；Door between transitional storehouse and second transitional storehouse passes through the hand on the second transitional storehouse warehouse
Set is opened；Door between Glove box body and second transition is opened by the gloves on gloves cabinet.Article is put every time
Great transition storehouse or small transitional storehouse are first selected according to the size of article when into glove box, first vacuumize big/small transitional storehouse then
It is put into anaerobic gas cleaning, after being repeated several times, is put into article, then the second transitional storehouse is carried out to vacuumize cleaning, is closed big/small
Article is transferred to the second transitional storehouse from big/small transition with the gloves of the second transitional storehouse, closes storehouse by the outermost layer door of transitional storehouse
Door, is then vacuumized cleaning to the second transitional storehouse again, then by the gloves on gloves cabinet that item transfer is in one's hands
In casing.By repeatedly vacuumizing and cleaning, it is ensured that anaerobic environment is unaffected in glove box.
Preferably, the wall box is equipped with thermocouple, oxygen analyser and moisture analyser.Record can be facilitated to test
Condition, including the temperature in glove box, oxygen content, water content.If oxygen content is higher can to replace oxygen trap solution material in time.
The opposite and prior art, the utility model have the advantage that (1) can will be in the higher anaerobic gas of oxygen content
Oxygen eliminate；(2) deoxygenation speed is fast, high-efficient；(3) environment can remain unchanged in anaerobic box during transfer article；(4)
Gas source is at low cost；(5) easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the pre- deoxygenation unit of gas in the utility model embodiment 1
Fig. 3 is the structural schematic diagram of the utility model embodiment 2；
The structural schematic diagram of the pre- deoxygenation unit of gas in Fig. 4 the utility model embodiment 2
Fig. 5 is the structural schematic diagram of the utility model embodiment 3；
In figure: 1, cabinet；2, circulating fan；3, the pre- deoxygenation unit of gas；4, deoxygenation unit is purified；5, glass container；6,
Oxygen trap solution；7, magnetic stirring apparatus；8, valve；9, purification removes water unit；10, gas filtration and absorptive unit；11, small transition
Storehouse；12, great transition storehouse；13, thermocouple；14, oxygen analyser；15, moisture analyser；16, gloves；17, the second transitional storehouse.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain that this is practical
It is novel, it is not used to limit the utility model.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Embodiment 1
As depicted in figs. 1 and 2, a kind of anaerobism glove box, including cabinet 1, deoxygenation unit, circulating fan 2；It is set on cabinet 1
There are gloves 16；The deoxygenation unit includes the pre- deoxygenation unit 3 of gas and purification deoxygenation unit 4；The circulating fan 2 connects gas
The pre- deoxygenation unit 3 of body；The pre- deoxygenation unit 3 of gas connects the purification deoxygenation unit 4；It is filled out in the purification deoxygenation unit 4
Fill palladium catalyst.Clean unit and circulating fan these structures can according to need the side, top surface or the back side for being placed on cabinet,
The lower section of cabinet 1 is placed in the present embodiment.
The pre- deoxygenation unit of gas include equipped with the glass container 5 of oxygen trap solution 6, magnetic stirring apparatus 7, valve 8 and
Gas enters pipeline and output channel, and oxygen trap solution includes iron hydroxide, FeCl in the glass container2, it is tris buffer, suitable
KOH and water are measured, wherein the concentration of ferric iron (Fe (III)) is 93.2mM, FeCl2Concentration is 0.90mM, and tris buffer concentration is
0.1M, pH 8.1.
The oxygen trap solution is made by quickly improving the pH of its alkaline solution, as following steps are prepared:
(S1) the required dry drug of experiment is placed three days in glove box.3L anaerobic water is prepared to be placed in glove box；
(S2) the anaerobic aqueous solution that 0.2M trishydroxymethylaminomethane is prepared in glove box, adding HCl to adjust pH is 8.1,
Add anaerobic water constant volume at 0.1Mtris buffer；20g NaOH is dissolved in 100mL ultrapure water and 5M NaOH solution is made；
(S3) crystal/iron hydroxide preparation of Fe (III) oxide: by 40g Fe (NO3)3It is dissolved in 500mL ultrapure water,
About 330mL KOH is added, pH is promoted to 7.8；20mL KOH is added dropwise in above-mentioned solution, pH and quickly stirring and adjusting pH are improved；
Electrolyte is removed by the method dialysed or filtered.It can also be removed by centrifugation 6 times methods；
(S4) by the crystal/iron hydroxide and FeCl of suitable Fe (III) oxide2The tris buffer of 0.1M is added, makes
Wherein Fe (III) concentration is 93.2mM, Fe (II) 0.90mM, and adjusting pH is 8.1, is configured to oxygen trap solution.
Embodiment 2
It as shown in Figure 3 and Figure 4, include two groups of dresses in parallel compared to the pre- deoxygenation unit of gas described in 1 the present embodiment of embodiment
The glass container 5 of aerobic trap solution 6 makes gas from the oxygen trap in one of glass container by 8 control selections path of valve
Solution passes through.The valve is L-type triple valve, carries out selection gas by regulating three-way valve and leads to from one of oxygen trap solution
It crosses.
It is also set up on the anaerobism glove box there are two purifying except water unit 9, purification deoxygenation unit both ends connect respectively
A purification is connect except water unit.
Be additionally provided with gas filtration and absorptive unit 10 on the anaerobism glove box, for filter the particulate matter in gas with
And absorb organic gas therein.The gas filtration connects circulating fan with absorptive unit, and gas first passes through particulate matter filtering
Service life of fan can be extended by blower again after absorbing with organic gas.
The cabinet side also set up horizontal alignment one small transitional storehouse 11 and a great transition storehouse 12.It is described big/small
Vacuum orifice and anaerobic gas import are designed on transitional storehouse for cleaning transitional storehouse.
The wall box is equipped with thermocouple 13, oxygen analyser 14 and moisture analyser 15.There are three connect on cabinet
Mouthful, it is separately connected the probe of thermocouple, oxygen analyser, water analyzer, the probe is connected by data line with display instrument,
Temperature, the oxygen content, water content in glove box are shown respectively.
It is other same as Example 1.
The present embodiment is the prioritization scheme of embodiment 1, can choose and switches the different pre- deoxygenations of oxygen trap solution progress, and
With purification except the gentle body filtering of water unit and absorptive unit, for removing water, dedusting and organic gas absorb, can also be convenient
It is shifted in article to glove box from a small transitional storehouse and a great transition storehouse.
Embodiment 3
As shown in figure 5, compared to being gone back among cabinet 1 and the small transitional storehouse and great transition storehouse described in 2 the present embodiment of embodiment
It is provided with second transitional storehouse 17, the warehouse of second transitional storehouse 17 is equipped with a gloves 16；Small transitional storehouse/great transition storehouse
Door between second transitional storehouse is opened by the gloves on the second transitional storehouse warehouse；Glove box body and described second
Door between transition is opened by the gloves on gloves cabinet.It is other same as Example 2.It is set on the warehouse of second transitional storehouse
There are vacuum orifice and anaerobic gas import for cleaning the second transitional storehouse.
The present embodiment increases the second transitional storehouse on the basis of embodiment 2, is shifted, is repeatedly vacuumized and clearly by distribution
It washes, it is ensured that anaerobic environment is unaffected in glove box.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of anaerobism glove box, including cabinet, deoxygenation unit, circulating fan, deoxygenation unit includes purification deoxygenation unit；It is described
It purifies and fills palladium catalyst in deoxygenation unit；It is characterized in that, the deoxygenation unit further includes the pre- deoxygenation unit of gas；It is described to follow
Ring blower connects the pre- deoxygenation unit of gas；The pre- deoxygenation unit of gas connects the purification deoxygenation unit.
2. a kind of anaerobism glove box according to claim 1, which is characterized in that the pre- deoxygenation unit of gas includes being equipped with
Glass container, magnetic stirring apparatus, valve and the gas of oxygen trap solution enter pipeline and output channel, oxygen in the glass container
Trap solution includes iron hydroxide, FeCl2, tris buffer, appropriate KOH and water, wherein ferric concentration is 93.2mM, FeCl2
Concentration is 0.90mM, and tris buffer concentration is 0.1M, pH 8.1.
3. a kind of anaerobism glove box according to claim 1, which is characterized in that the pre- deoxygenation unit of gas includes two groups
Glass container equipped with oxygen trap solution in parallel, makes gas from one of glass container by valve control selections path
Oxygen trap solution passes through.
4. a kind of anaerobism glove box according to claim 1, which is characterized in that be additionally provided with two on the anaerobism glove box
A purification removes water unit, and purification deoxygenation unit both ends are separately connected a purification except water unit.
5. a kind of anaerobism glove box according to claim 1, which is characterized in that be additionally provided with gas on the anaerobism glove box
Body filtering and absorptive unit, for filtering the particulate matter in gas and absorbing organic gas therein.
6. a kind of anaerobism glove box according to claim 1, which is characterized in that the cabinet side also sets up horizontal alignment
A small transitional storehouse and a great transition storehouse.
7. according to claim 1 to a kind of 6 described in any item anaerobism glove boxes, which is characterized in that set on the wall box
There are thermocouple, oxygen analyser and moisture analyser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820826108.XU CN208667707U (en) | 2018-05-30 | 2018-05-30 | A kind of anaerobism glove box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820826108.XU CN208667707U (en) | 2018-05-30 | 2018-05-30 | A kind of anaerobism glove box |
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| CN208667707U true CN208667707U (en) | 2019-03-29 |
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| CN201820826108.XU Active CN208667707U (en) | 2018-05-30 | 2018-05-30 | A kind of anaerobism glove box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332766A (en) * | 2019-06-26 | 2019-10-15 | 上海米开罗那机电技术有限公司 | A kind of expansible Full-automatic lithium battery battery vacuum drying system of combined type |
| CN111571644A (en) * | 2020-05-15 | 2020-08-25 | 深圳市华星光电半导体显示技术有限公司 | Glove box and water oxygen removing method thereof |
-
2018
- 2018-05-30 CN CN201820826108.XU patent/CN208667707U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332766A (en) * | 2019-06-26 | 2019-10-15 | 上海米开罗那机电技术有限公司 | A kind of expansible Full-automatic lithium battery battery vacuum drying system of combined type |
| CN111571644A (en) * | 2020-05-15 | 2020-08-25 | 深圳市华星光电半导体显示技术有限公司 | Glove box and water oxygen removing method thereof |
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