CN103801203B - Based on the rigid container gas mixing device and method of built-in flexible containers - Google Patents
Based on the rigid container gas mixing device and method of built-in flexible containers Download PDFInfo
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- CN103801203B CN103801203B CN201410080150.8A CN201410080150A CN103801203B CN 103801203 B CN103801203 B CN 103801203B CN 201410080150 A CN201410080150 A CN 201410080150A CN 103801203 B CN103801203 B CN 103801203B
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Abstract
The invention discloses a kind of rigid container gas mixing device and method based on built-in flexible containers.Rigid container, unstripped gas input module and gas recirculation assembly should be comprised based on the rigid container gas mixing device of built-in flexible containers; Rigid container is provided with air bleeding valve; Be provided with built-in flexible containers in rigid container, the external fluid of built-in flexible containers fills row's assembly, and take rigid container inner space when being full of fluid in built-in flexible containers, unstripped gas input module is connected with rigid container respectively with gas recirculation assembly.The advantage that this device has energy-and time-economizing, safe and reliable, structure is simple, with low cost, applicability is strong.This gas mixing method comprises the following steps: 1) open air bleeding valve; 2) start fluid and fill row's assembly; 3) unstripped gas input module is started; 4) unstripped gas input module is disconnected; 5) start gas recirculation assembly, unstripped gas in rigid container is fully mixed.The method has the advantage that mixture efficiency is high, mixture precision is high.
Description
Technical field
The present invention relates to gas mixing device and method, particularly relate to the rigid container gas mixing device and method based on built-in flexible containers.
Background technology
Rigid container is that mist prepares the most frequently used compounding chamber.In prior art, mixture gas in rigid container, first need carry out vacuumizing of rigid container, then various component gas (unstripped gas) is filled with rigid container.Wherein, vacuum pumping not only needs container to have high resistance to pressure, and big energy-consuming, length consuming time.This severely limits the application of this air distributing method in some fields, especially need in the short time namely to join namely by occasions such as the multiple fixed laboratories than mist.Such as, gas concentration is had to superclean bench or the Biohazard Safety Equipment of requirement.Therefore, the method for gas mixing in the existing rigid container needing vacuum pumping, can not meet the demand that multiple field and subject laboratory are prepared mist.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art, a kind of energy-and time-economizing is provided, safe and reliable, structure is simple, the rigid container gas mixing device based on built-in flexible containers that with low cost, applicability is strong, and the rigid container gas mixing method based on built-in flexible containers that mixture efficiency is high, mixture precision is high.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of rigid container gas mixing device based on built-in flexible containers, comprise rigid container, unstripped gas input module and gas recirculation assembly, described rigid container is provided with air bleeding valve, described unstripped gas input module is connected with rigid container respectively with gas recirculation assembly, built-in flexible containers is provided with in described rigid container, the external fluid of described built-in flexible containers fills row's assembly, takes rigid container inner space when being full of fluid in built-in flexible containers.
Further improvement as technique scheme:
Described rigid container is connected with the external flexible containers for balance rigidity container inner pressure through connecting leg, and described connecting leg is provided with equilibrated valve.
Described unstripped gas input module comprises unstripped gas intake line more than two, each unstripped gas intake line comprises gas bomb, pressure-reducing valve, pneumatic filter, flow controller and the inflation magnetic valve of connecting successively, and described inflation electromagnetic valve outlet end is communicated with rigid container.
Described rigid container is equiped with gas concentration sensor, and the holding wire of described gas concentration sensor connects with the inflation magnetic valve on corresponding unstripped gas intake line.
The holding wire of described gas concentration sensor is also connected with concentration readings display.
Described gas recirculation assembly comprises gas circulator, exhaust tube and air injection pipe, described exhaust tube one end is communicated with rigid container, the other end is communicated with the input of gas circulator, and described air injection pipe one end is communicated with rigid container, and the other end is communicated with the output of gas circulator.
Described fluid fills row's assembly and comprises positive and negative flowmeter and fluid fills row's pump, described positive and negative flowmeter one end is communicated with built-in flexible containers, the other end connects a three-way pipe, first arm of described three-way pipe fills by the first triple valve and fluid the bleeding point arranging pump and is communicated with, and the second arm of three-way pipe fills by the second triple valve and fluid the gas injection port arranging pump and is communicated with.
Based on a gas mixing method for upper described rigid container gas mixing device, comprise the following steps:
1) open air bleeding valve, rigid container is communicated with the external world;
2) start fluid and fill row's assembly, in built-in flexible containers, be filled with fluid, when fluid is full of or reach setting value, stops fluid filling, close air bleeding valve simultaneously;
3) start unstripped gas input module, in rigid container, input unstripped gas by setting proportioning, start fluid simultaneously and fill row's assembly built-in flexible containers inner fluid is discharged, when fluid emptying or when reaching setting value, stopping fluid drainage;
4), after unstripped gas input module input unstripped gas terminates, disconnect with rigid container;
5) start gas recirculation assembly, unstripped gas in rigid container is fully mixed.
Further improvement as technique scheme:
When carrying out described step 5), after gas recirculation assembly starts 2-3 minute, open gas concentration sensor, control corresponding inflation magnetic valve according to tested gas concentration and supplement unstripped gas, when starting tonifying Qi, opening pressure balanced valve makes external flexible containers be communicated with rigid container, when tested gas concentration is stabilized in setting value, stops tonifying Qi.
After completing described step 5), open air bleeding valve, and start fluid and fill row's assembly be filled with fluid in built-in flexible containers, export the good gas of mixture by air bleeding valve.
Compared with prior art, the invention has the advantages that:
Rigid container gas mixing device based on built-in flexible containers of the present invention, built-in flexible containers is provided with in rigid container, the external fluid of built-in flexible containers fills row's assembly, rigid container inner space is taken when being full of fluid in built-in flexible containers, by the full action substitution vacuum pumping of built-in flexible containers and the air of discharging in rigid container, energy-and time-economizing, and reliability, security are high; Whole gas mixing process can complete in atmospheric conditions, reduces the requirement of rigid container resistance to pressure, and the applicable material type of vessel fabrication is increased, and reduces by material amount, and cost reduces; Structure is simple, easily manufactured, can be widely used in multiple specialty and subject laboratory to the preparation of mist.
Rigid container gas mixing method based on built-in flexible containers of the present invention does not need to vacuumize rigid container before mixture gas, greatly saves time, improves the mixture efficiency of mixture gas; Pressure in rigid container remains in an atmospheric safe range substantially, and security improves greatly, also greatly reduces facility requirements; Meanwhile, mixture precision is high, highly versatile, can be used for preparing various mixture gas, can be widely used in multiple specialty and subject laboratory.
Accompanying drawing explanation
Fig. 1 is the rigid container gas mixing principle of device schematic diagram based on built-in flexible containers of the present invention.
Fig. 2 is the rigid container gas mixing apparatus structure schematic diagram based on built-in flexible containers of the present invention.
Fig. 3 is the flow chart of the rigid container gas mixing method based on built-in flexible containers of the present invention.
In figure, each label represents:
1, rigid container; 11, air bleeding valve; 12, built-in flexible containers; 13, fluid fills row's assembly; 130, fluid fills row's pump; 131, positive and negative flowmeter; 132, three-way pipe; 133, the first arm; 134, the first triple valve; 135, the second arm; 136, the second triple valve; 14, connecting leg; 15, external flexible containers; 16, equilibrated valve; 2, unstripped gas input module; 21, gas bomb; 22, pressure-reducing valve; 23, pneumatic filter; 24, flow controller; 25, magnetic valve is inflated; 26, gas concentration sensor; 27, concentration readings display; 3, gas recirculation assembly; 31, gas circulator; 32, exhaust tube; 33, air injection pipe.
Detailed description of the invention
Fig. 1 and Fig. 2 shows a kind of rigid container gas mixing device embodiment based on built-in flexible containers of the present invention, this gas mixing device comprises rigid container 1, unstripped gas input module 2 and gas recirculation assembly 3, rigid container 1 is provided with air bleeding valve 11, unstripped gas input module 2 is connected with rigid container 1 respectively with gas recirculation assembly 3, built-in flexible containers 12 is provided with in rigid container 1, the external fluid of built-in flexible containers 12 fills row's assembly 13, rigid container 1 inner space is taken when being full of fluid in built-in flexible containers 12, by the full action substitution vacuum pumping of built-in flexible containers 12, discharge the air in rigid container 1, energy-and time-economizing, and reliability, security is high, whole gas mixing process can complete in atmospheric conditions, reduces the requirement of rigid container 1 resistance to pressure, and the applicable material type of vessel fabrication is increased, and reduces by material amount, and cost reduces, structure is simple, easily manufactured, can be widely used in multiple specialty and subject laboratory to the preparation of mist.
In the present embodiment, rigid container 1 is connected with the external flexible containers 15 for pressure in balance rigidity container 1 through connecting leg 14, connecting leg 14 is provided with equilibrated valve 16, the break-make of external flexible containers 15 and rigid container 1 can be controlled, for pressure in balance rigidity container 1 when supplementary unstripped gas, adjustment gas mixing ratio by equilibrated valve 16.
Further, unstripped gas input module 2 comprises unstripped gas intake line more than two, each unstripped gas intake line comprises gas bomb 21, pressure-reducing valve 22, pneumatic filter 23, flow controller 24 and the inflation magnetic valve 25 of connecting successively, inflation magnetic valve 25 port of export is communicated with rigid container 1, and the present embodiment establishes three groups of unstripped gas intake lines.
Further, rigid container 1 is equiped with gas concentration sensor 26, the holding wire of gas concentration sensor 26 connects with the inflation magnetic valve 25 on corresponding unstripped gas intake line, the holding wire of gas concentration sensor 26 is also connected with concentration readings display 27, to read tested gas concentration, and determine to supplement corresponding unstripped gas, until reach proportioning accurately according to tested gas concentration; In addition, this gas concentration sensor 26, owing to accurately can control proportioning, therefore can reduce the purity requirement to unstripped gas relatively, thus reduces gas mixing cost.The present embodiment establishes two groups of gas concentration sensors 26 and concentration readings display 27.
In the present embodiment, gas recirculation assembly 3 comprises gas circulator 31, exhaust tube 32 and air injection pipe 33, exhaust tube 32 one end is communicated with rigid container 1, the other end is communicated with the input of gas circulator 31, air injection pipe 33 one end is communicated with rigid container 1, and the other end is communicated with the output of gas circulator 31, when starting gas circulator 31, gas in rigid container 1 fully can be mixed, so that Measurement accuracy gas concentration.
In the present embodiment, fluid fills row's assembly 13 and comprises positive and negative flowmeter 131 and fluid and fill row's pump 130, positive and negative flowmeter 131 one end is communicated with built-in flexible containers 12, the other end connects a three-way pipe 132, first arm 133 of three-way pipe 132 fills by the first triple valve 134 and fluid the bleeding point arranging pump 130 and is communicated with, second arm 135 of three-way pipe 132 fills by the second triple valve 136 and fluid the gas injection port arranging pump 130 and is communicated with, can realize filling row's pump 130 with fluid by the break-make controlling the first triple valve 134 and the second triple valve 136 and be filled with fluid to built-in flexible containers 12, the air in rigid container 1 is discharged by the expansion of built-in flexible containers 12, or built-in flexible containers 12 inner fluid is discharged, to control the pressure in rigid container 1 when being filled with unstripped gas, can realize in rigid container 1, keeping an atmospheric pressure when keeping unstripped gas charge and built-in flexible containers 12 inner fluid discharge rate to balance.
In the present embodiment, rigid container 1 is made up of base, top cover and cylinder, base is a circular corrosion resistant plate having three to keep a foothold, there are a circular hole in base central authorities, clamping hoop type threaded joint is installed in circular hole, snapping has the plastic bag (this plastic bag is the built-in flexible containers 12 be built in rigid container 1) of a circular hole, connects fluid simultaneously fill row's assembly 13 at this interface; Top cover be one piece with the corrosion resistant plate of bedplate formed objects, middle part distributes six holes, and wherein three holes connect three groups of unstripped gas intake lines respectively, and two holes are installed concentration detection sensor 26, hole and installed air bleeding valve 11; The material of cylinder is Merlon (PC, transparent), sidewall has three straight tubes, and a straight tube is used for connecting external flexible containers 15 through connecting leg 14, and another two straight tubes are respectively used to the exhaust tube 32 and the air injection pipe 33 that connect gas recirculation assembly 3.The diameter of base and top cover is 360mm, and thickness is 8mm, and on base, the diameter of circular hole is 40mm, outside diameter of cylinder is 300mm, wall thickness 5mm, and the internal diameter of each straight tube is 10mm, the capacity of rigid container 1 is 20L, and the maximum capacity that holds of built-in flexible containers 12 is 30L.Air bleeding valve 11 is for selecting three-way valve, and an one delivery outlet is for discharging the air in rigid container 1, and another delivery outlet is for exporting the good gas of mixture.
Fig. 3 shows the rigid container gas mixing embodiment of the method based on built-in flexible containers of the present invention, and the method realizes based on the rigid container gas mixing device based on built-in flexible containers of above-described embodiment, and it comprises the following steps:
1) open air bleeding valve 11, rigid container 1 is communicated with the external world;
2) start fluid and fill row's assembly 13, in built-in flexible containers 12, be filled with fluid, when fluid is full of or reach setting value, stop fluid filling, close air bleeding valve 11 simultaneously;
3) start unstripped gas input module 2, in rigid container 1, input unstripped gas by setting proportioning, start fluid simultaneously and fill row's assembly 13 built-in flexible containers 12 inner fluid is discharged, when fluid emptying or when reaching setting value, stopping fluid drainage;
4) unstripped gas input module 2 inputs after unstripped gas terminates, and disconnects with rigid container 1;
5) start gas recirculation assembly 3, unstripped gas in rigid container 1 is fully mixed.
The method does not need to vacuumize rigid container 1 before mixture gas, greatly saves time, improves the mixture efficiency of mixture gas; Pressure in rigid container 1 remains in an atmospheric safe range substantially, and security improves greatly, also greatly reduces facility requirements; Meanwhile, mixture precision is high, highly versatile, can be used for preparing various mixture gas, can be widely used in multiple specialty and subject laboratory.
In the present embodiment, when carrying out step 5), after gas recirculation assembly 3 starts 2-3 minute, open gas concentration sensor 26, control corresponding inflation magnetic valve 25 according to tested gas concentration and supplement unstripped gas, when starting tonifying Qi, opening pressure balanced valve 16 makes external flexible containers 15 be communicated with rigid container 1, when tested gas concentration is stabilized in setting value, stop tonifying Qi.
In the present embodiment, at completing steps 5) after, open exhaust, 11, and start fluid fill row assembly 13 in built-in flexible containers 12, be filled with fluid, export the good gas of mixture by air bleeding valve 11.
The present embodiment fluid used is air, in other embodiments also available water as fluid.
Below with mixture O in proportion
2, N
2, CO
2three kinds of gases are example, are described in further detail method of the present invention in conjunction with said apparatus embodiment.
In Fig. 2, the gas bomb 21 at top stores O
2, middle part gas bomb 21 store N
2, bottom gas bomb 21 store CO
2, the gas concentration sensor 26 in left side detects CO
2concentration, the gas concentration sensor 26 on right side detects O
2concentration, the concentration readings display 27 at top shows O
2concentration, the concentration readings display 27 of bottom shows CO
2concentration.
1) open air bleeding valve 11, rigid container 1 is communicated with the external world;
2) start fluid and fill row's assembly 13, in built-in flexible containers 12, be filled with fluid, when fluid is full of, stop fluid filling, close air bleeding valve 11, in rigid container 1, air is by emptying simultaneously;
3) start three groups of unstripped gas input modules 2, in rigid container 1, input O by setting proportioning
2, N
2, CO
2three kinds of gases, the charge of three kinds of gases by setting burden control by flow controller 24 and inflation magnetic valve 25, is started fluid simultaneously and fills row's assembly 13 and is discharged by built-in flexible containers 12 inner fluid, when fluid emptying, stopping fluid drainage;
4) each unstripped gas input module 2 inputs after unstripped gas terminates, and disconnects with rigid container 1;
5) start gas recirculation assembly 3, unstripped gas in rigid container 1 is fully mixed, after gas recirculation assembly 3 starts 2-3 minute, opens two gas concentration sensors 26, detect O
2, CO
2two kinds of gas concentrations, read O by two concentration readings displays 27
2, CO
2two kinds of gas concentrations, if O
2, CO
2two kinds of gas concentrations are on the low side, fill into corresponding gas, if O
2, CO
2two kinds of gas concentrations are higher, then fill into N
2gas, to dilute O
2, CO
2two kinds of gases, when starting tonifying Qi, opening pressure balanced valve 16 makes external flexible containers 15 be communicated with rigid container 1, when tested gas concentration is stabilized in setting value, stops tonifying Qi;
6) open air bleeding valve 11, and start fluid fill row assembly 13 in built-in flexible containers 12, be filled with fluid, export the good gas of mixture by air bleeding valve 11.
Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (9)
1. the rigid container gas mixing device based on built-in flexible containers, comprise rigid container (1), unstripped gas input module (2) and gas recirculation assembly (3), described rigid container (1) is provided with air bleeding valve (11), described unstripped gas input module (2) is connected with rigid container (1) respectively with gas recirculation assembly (3), it is characterized in that: in described rigid container (1), be provided with built-in flexible containers (12), the external fluid of described built-in flexible containers (12) fills row's assembly (13), rigid container (1) inner space is taken when being full of fluid in built-in flexible containers (12).
2. the rigid container gas mixing device based on built-in flexible containers according to claim 1, it is characterized in that: described rigid container (1) is connected with the external flexible containers (15) for pressure in balance rigidity container (1) through connecting leg (14), and described connecting leg (14) is provided with equilibrated valve (16).
3. the rigid container gas mixing device based on built-in flexible containers according to claim 1, it is characterized in that: described unstripped gas input module (2) comprises unstripped gas intake line more than two, each unstripped gas intake line comprise connect successively gas bomb (21), pressure-reducing valve (22), pneumatic filter (23), flow controller (24) and inflation magnetic valve (25), described inflation magnetic valve (25) port of export is communicated with rigid container (1).
4. the rigid container gas mixing device based on built-in flexible containers according to claim 3, it is characterized in that: described rigid container (1) is equiped with gas concentration sensor (26), the holding wire of described gas concentration sensor (26) connects with the inflation magnetic valve (25) on corresponding unstripped gas intake line.
5. the rigid container gas mixing device based on built-in flexible containers according to claim 4, is characterized in that: the holding wire of described gas concentration sensor (26) is also connected with concentration readings display (27).
6. the rigid container gas mixing device based on built-in flexible containers according to any one of claim 1 to 5, it is characterized in that: described gas recirculation assembly (3) comprises gas circulator (31), exhaust tube (32) and air injection pipe (33), described exhaust tube (32) one end is communicated with rigid container (1), the other end is communicated with the input of gas circulator (31), described air injection pipe (33) one end is communicated with rigid container (1), and the other end is communicated with the output of gas circulator (31).
7. the rigid container gas mixing device based on built-in flexible containers according to any one of claim 1 to 5, it is characterized in that: described fluid fills row's assembly (13) and comprises positive and negative flowmeter (131) and fluid and fill and arrange pump (130), described positive and negative flowmeter (131) one end is communicated with built-in flexible containers (12), the other end connects a three-way pipe (132), first arm (133) of described three-way pipe (132) fills by the first triple valve (134) and fluid the bleeding point arranging pump (130) and is communicated with, second arm (135) of three-way pipe (132) fills by the second triple valve (136) and fluid the gas injection port arranging pump (130) and is communicated with.
8. based on such as according to any one of claim 1 to 7 based on a gas mixing method for the rigid container gas mixing device of built-in flexible containers, it is characterized in that: comprise the following steps:
1) open air bleeding valve (11), rigid container (1) is communicated with the external world;
2) start fluid and fill row's assembly (13), in built-in flexible containers (12), be filled with fluid, when fluid is full of or reach setting value, stops fluid filling, close air bleeding valve (11) simultaneously;
3) start unstripped gas input module (2), by setting proportioning input unstripped gas in rigid container (1), starting fluid simultaneously and filling row's assembly (13) by the discharge of built-in flexible containers (12) inner fluid, when fluid emptying or when reaching setting value, stopping fluid drainage;
4), after unstripped gas input module (2) input unstripped gas terminates, disconnect with rigid container (1);
5) start gas recirculation assembly (3), rigid container (1) interior unstripped gas is fully mixed.
9. the gas mixing method of the rigid container gas mixing device based on built-in flexible containers according to claim 8, it is characterized in that: after completing described step 5), open air bleeding valve (11), and start fluid and fill row's assembly (13) be filled with fluid in built-in flexible containers (12), export the good gas of mixture by air bleeding valve (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410080150.8A CN103801203B (en) | 2014-03-06 | 2014-03-06 | Based on the rigid container gas mixing device and method of built-in flexible containers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410080150.8A CN103801203B (en) | 2014-03-06 | 2014-03-06 | Based on the rigid container gas mixing device and method of built-in flexible containers |
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| CN103801203B true CN103801203B (en) | 2015-08-19 |
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| CN104565808B (en) * | 2014-12-26 | 2017-09-12 | 湖南师范大学 | Rigid container gas displacement method and device based on quantitative pumping inflation technology |
| CN111744222A (en) * | 2020-06-23 | 2020-10-09 | 莫清翔 | Liquid ammonia evaporator for flue gas denitration |
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| CN101528323A (en) * | 2006-05-25 | 2009-09-09 | 气体产品与化学公司 | Fluid storage and dispensing system |
| CN102460640A (en) * | 2009-06-10 | 2012-05-16 | 高级技术材料公司 | Fluid processing systems and methods |
| CN102989351A (en) * | 2003-10-14 | 2013-03-27 | 高级技术材料公司 | Flexible mixing bag for mixing solids, liquids and gases |
| CN203750431U (en) * | 2014-03-06 | 2014-08-06 | 汪保和 | Gas blending device with rigid container based on built-in soft container |
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2014
- 2014-03-06 CN CN201410080150.8A patent/CN103801203B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| US4734198A (en) * | 1984-02-06 | 1988-03-29 | Minntech Corporation | Dialysis solution mixing system |
| CN1329226A (en) * | 2000-06-20 | 2002-01-02 | 液体空气乔治洛德方法利用和研究有限公司 | Device for storing and mixing two gas |
| CN102989351A (en) * | 2003-10-14 | 2013-03-27 | 高级技术材料公司 | Flexible mixing bag for mixing solids, liquids and gases |
| CN101528323A (en) * | 2006-05-25 | 2009-09-09 | 气体产品与化学公司 | Fluid storage and dispensing system |
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