CN106195635A - Gas control equipment - Google Patents
Gas control equipment Download PDFInfo
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- CN106195635A CN106195635A CN201510225515.6A CN201510225515A CN106195635A CN 106195635 A CN106195635 A CN 106195635A CN 201510225515 A CN201510225515 A CN 201510225515A CN 106195635 A CN106195635 A CN 106195635A
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Abstract
The invention discloses a kind of gas control equipment, it includes an air passage, an oxygen branch road, a nitrogen branch road, a hydrogen branch road, a carbon dioxide branch road, an emergency bypass, a reduction gas circuit and an oxidation gas circuit, wherein, described air passage, oxygen branch road, nitrogen branch road, hydrogen branch road, carbon dioxide branch road and the outlet of emergency bypass, respectively with described reduction gas circuit and the inlet communication of oxidation gas circuit.By the use of the present invention, fully examine and meet SOFC and SOEC each test pattern gas is controlled all possible requirement, and carried out Optimum combinatorial design, further simplify structure, improve integrated level and ease for use.
Description
Technical field
The present invention relates to a kind of gas control equipment.
Background technology
There is SOFC (SOFC) and SOEC (electrolytic tank of solid oxide) simultaneously
Device belong to reversible energy conversion device, there is the features such as clean and effective, its operating temperature typically exists
600-1000℃.Under SOFC pattern, this device by fuel gas (such as H2)
Chemical energy is converted into electric energy, generates water simultaneously；Under electrolytic tank of solid oxide pattern, this device utilizes
Vaporous water is decomposed and prepares H by the electric energy of extraneous input2And O2, electric energy is carried out with the form of fuel gas
Storage.Under two kinds of operational modes of SOFC and SOEC, carry out in device is two back reactions,
Reacting gas and carrier gas there is also the biggest difference.
SOEC is possible not only to steam and CO2It is electrolyzed to produce H respectively2And CO, it is also possible to will simultaneously
Steam and CO2Electrolytically generated synthesis gas (H altogether2And CO), with simple CO2Compare, H2O/CO2
Common-battery solution has a clear superiority: (1) H2Existence inhibit the carbon deposition phenomenon on Ni/YSZ electrode；(2)
The CO of a part is to be occurred by anti-water-gas shift reaction, saves electric energy, improves the effect of system
Rate.At present, what SOEC high-temperature electrolysis was widely used is the solid-state device identical with SOFC, this energy
Conversion equipment performance under two kinds of mode of operations of SOFC and SOEC has weight for the research in this field
Wanting meaning, therefore generally research worker can first study this device open-circuit voltage under SOFC pattern, electricity
Chemical impedance spectrum, polarization curve etc., reconvert mode of operation and reacting gas after SOFC stable operation,
And then study this device correlated performance under SOEC mode of operation.Under different working modes, required
Reacting gas composition and flow difference bigger.And owing to the water in SOEC is as water vapor
Reacting, this is accomplished by a set of perfect gas control equipment and is vaporized steam and is incubated,
Corresponding reacting gas is provided for this device, simultaneously can be in flexible conversion under different working modes.
Reacting gas composition under table 1 SOFC and SOEC different working modes
At present, not yet there is suitable gas in SOFC or electrolytic tank of solid oxide field
Device can meet SOFC, SOEC electrolytic hydrogen production simultaneously, SOEC is electrolysed CO in control2, SOEC common
The requirement to reacting gas of the electrolytic preparation synthesis gas.Mostly there is function singleness, steam in similar product
Generation amount is unstable, cannot measure high temperature air humidity, gas flow control accuracy is relatively low, gaseous mixture is dense
Spend multiple shortcomings such as uneven.
Summary of the invention
The technical problem to be solved in the present invention is the defect in order to overcome prior art products function singleness, carries
For a kind of gas control equipment.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of gas control equipment, its feature is, it include an air passage, an oxygen branch road, one
Nitrogen branch road, a hydrogen branch road, a carbon dioxide branch road, an emergency bypass, a reduction gas circuit and
Oxidation gas circuit, wherein, described air passage, oxygen branch road, nitrogen branch road, hydrogen branch road, titanium dioxide
Carbon branch road and the outlet of emergency bypass, the import with described reduction gas circuit and oxidation gas circuit connects respectively
Logical.This programme has taken into full account that SOFC and electrolytic tank of solid oxide are the most right
The various demands of unstrpped gas, can be flexibly and accurately for the battery of differential responses pattern and electrolyzer
Reacting gas required for offer.It addition, the cushion gas branch road in this programme may be used for conventional gas
Control, such as H2S, CO, CH4Deng the control of gas, certainly, cushion gas branch road, gas control are removed
Device processed still can normally work.The present invention's is not simply by SOFC and SOEC gas control
Device processed combines, and has taken into full account that SOFC and SOEC tests four kinds of patterns and control gas all
Possible requirement, is optimized modular design by the control device of desired gas on this basis.
It is preferred that described air passage includes an air gas cylinder and a stop valve；Described oxygen branch road includes
One oxygen gas cylinder and a stop valve；Described nitrogen branch road includes a nitrogen gas cylinder and a stop valve；Described hydrogen
Gas branch road includes a hydrogen cylinder and a stop valve；Described carbon dioxide branch road includes a dioxide bottle
With a stop valve；Described cushion gas branch road includes a cushion gas gas cylinder and a stop valve.By stop valve
Operation, can conveniently control the break-make of each branch road gas.
It is preferred that described air passage, oxygen branch road, nitrogen branch road, hydrogen branch road, carbon dioxide prop up
Road and emergency bypass all include an air gauge and a mass flowmenter.Can be controlled by mass flowmenter
The flow of corresponding gas regulates the component ratio of mixed gas.
It is preferred that described oxidation gas circuit includes one first gas mixer chamber.First gas mixer chamber can fill
Divide mixed oxidization gaseous mixture.In original single equipment providing oxidation gaseous mixture, reaction efficiency is the most not
Good, this programme is by structure simply so that gaseous mixture is sufficiently mixed, thus improves reaction efficiency.
It is preferred that from the import of described reduction gas circuit to outlet, be disposed with one second gas mixer chamber,
One gasification path and a gas heating chamber, wherein, described gasification path includes the vaporization being connected in parallel
Branch road and a conventional branch road, described gasification branch road includes a stop valve and a vapourizing unit, and described routine is propped up
Road includes a stop valve.The vapourizing unit of this programme is tied with heating tape, can use humidifier etc., can be by
The outlet temperature of steam brings up to 250 DEG C, can effectively prevent the condensation of steam, also ensures simultaneously
In gas, water vapour content stablizes.General device controls humidity simply by controlling water temperature, and
And be room temperature humidification, in general default apparatus, steam reaches saturated, and reality does not reaches far away saturated, this
In invention, water temperature can be heated to 100 DEG C, and water vapour content can reach more than 80%.
It is preferred that described vaporization branch road and conventional branch road connect with one the 7th valve and one the 8th valve respectively
Logical, wherein, described 7th valve connects with described second gas mixer chamber, and described 8th valve is with described
Gas heating chamber connects.
It is preferred that described reduction gas circuit also includes a mass flowmenter.
It is preferred that described gas control equipment also includes one first valve, one second valve, one the 3rd valve
Door, one the 4th valve, one the 5th valve and one the 6th valve, wherein,
Described first valve connects with described air passage, oxygen branch road and the second valve；
Described second valve connects with described first valve, the 3rd valve and the first gas mixer chamber；
Described 3rd valve connects with described nitrogen branch road, the second valve and the 6th valve；
Described 4th valve connects with described hydrogen branch road, carbon dioxide branch road and the 5th valve；
Described 5th valve connects with described 4th valve, the 6th valve and cushion gas branch road；
Described 6th valve connects with described 3rd valve, the 5th valve and the second gas mixer chamber.
It is preferred that be provided with a stop valve between described second valve and described 3rd valve, the described 3rd
It is provided with a stop valve between valve and described 6th valve.Either reduction reaction or oxidation reaction,
Being all to need nitrogen, this programme, by a series of valves and the design of stop valve, makes cleverly at one
In the case of nitrogen branch road, also can meet the needs of various reaction.
It is preferred that described first valve, the second valve, the 3rd valve, the 4th valve, the 5th valve and
One the 6th valve is three-way valve.
It is preferred that described stop valve is ball valve.
It is preferred that the outlet of described reduction gas circuit is provided with a drimeter.Can be to gas by drimeter
Humidity is accurately tested, it is ensured that the accuracy of water vapour content in test gas.
In the present invention, above-mentioned optimum condition on the basis of meeting common sense in the field can combination in any, to obtain final product
Each preferred embodiment of the present invention.
The most progressive effect of the present invention is: by the use of the present invention, fully examines and meets SOFC
Test pattern each with SOEC controls all possible requirement to gas, and has carried out Optimum combinatorial design,
Further simplify structure, improve integrated level and ease for use.
Accompanying drawing explanation
Fig. 1 is the structural representation of present pre-ferred embodiments.
Detailed description of the invention
Enumerate preferred embodiment below, and combine accompanying drawing and become apparent from intactly illustrating the present invention.
As it is shown in figure 1, the present embodiment includes mass flowmenter 11, mass flowmenter 12, mass flow
Meter 13, mass flowmenter 14, mass flowmenter 15, mass flowmenter 16, air gas cylinder 21, oxygen
Gas cylinder 22, nitrogen gas cylinder 23, hydrogen cylinder 24, dioxide bottle 25, cushion gas gas cylinder 26, gas
Body heating chamber the 31, first gas mixer chamber the 41, second gas mixer chamber 42, air gauge 51, air gauge
52, air gauge 53, air gauge 54, air gauge 55, air gauge 56, air gauge the 57, first valve
61, the second valve the 62, the 3rd valve the 63, the 4th valve the 64, the 5th valve the 65, the 6th valve 66,
7th valve the 67, the 8th valve 68, stop valve 71, stop valve 72, stop valve 73, stop valve 74,
Stop valve 75, stop valve 76, stop valve 77, stop valve 78, stop valve 79, humidifier 81 and wet
Degree meter 91.
The present embodiment gas control equipment, including an air passage, an oxygen branch road, a nitrogen branch road,
One hydrogen branch road, a carbon dioxide branch road, an emergency bypass, a reduction gas circuit and an oxidation gas circuit,
As it can be seen, described air passage includes air gas cylinder 21 and a stop valve 71；Described oxygen
Branch road includes oxygen gas cylinder 22 and a stop valve 72；Described nitrogen branch road includes a nitrogen gas cylinder 23
With a stop valve 73；Described hydrogen branch road includes hydrogen cylinder 24 and a stop valve 74；Described dioxy
Change carbon branch road and include dioxide bottle 25 and a stop valve 75；Described cushion gas branch road includes that one is standby
With gas bottle 26 and a stop valve 76.By the operation of stop valve, can conveniently control each branch road gas
Break-make.
And described air passage, oxygen branch road, nitrogen branch road, hydrogen branch road, carbon dioxide branch road and
Emergency bypass all includes an air gauge and a mass flowmenter.Corresponding gas can be controlled by mass flowmenter
The flow of body regulates the component ratio of mixed gas.
Oxidation gas circuit includes one first gas mixer chamber 41.First gas mixer chamber 41 can be sufficiently mixed
Oxidation gaseous mixture.In original single equipment providing oxidation gaseous mixture, reaction efficiency is the best, this
Scheme is by structure simply so that gaseous mixture is sufficiently mixed, thus improves reaction efficiency.
Reduction gas circuit is provided with one second gas mixer chamber 42, gasification path and a gas heating chamber 31,
Wherein, described gasification path includes a vaporization branch road and a conventional branch road, the described gasification being connected in parallel
Branch road includes that stop valve 78 and a humidifier 81, described conventional branch road include a stop valve 79.We
The outlet temperature of steam can be brought up to 250 DEG C by case, can effectively prevent the condensation of steam, simultaneously
Also ensure that stablizing of water vapour content in gas.General device controls wet simply by controlling water temperature
Degree, and be room temperature humidification, in general default apparatus, steam reaches saturated, and reality does not reaches far away full
With, in the present embodiment, water temperature can be heated to 100 DEG C, and water vapour content can reach more than 80%.
Described vaporization branch road and conventional branch road connect with one the 7th valve 67 and one the 8th valve 68 respectively
Logical, wherein, the 7th valve 67 connects with the second gas mixer chamber 42, and the 8th valve 68 adds with gas
Hot cell 31 connects.It addition, reduction gas circuit also includes a mass flowmenter 57.
The gas control equipment of the present embodiment also includes one first valve 61,1 second valve 62,1
Three valve 63, the 4th valve 64, the 5th valve 65 and one the 6th valves 66, wherein,
First valve 61 connects with air passage, oxygen branch road and the second valve 62；
Second valve 62 connects with the first valve, the 3rd valve 63 and the first gas mixer chamber 41；
3rd valve 63 connects with nitrogen branch road, the second valve 62 and the 6th valve 66；
4th valve 64 connects with hydrogen branch road, carbon dioxide branch road and the 5th valve 65；
5th valve 65 connects with the 4th valve, the 6th valve 66 and cushion gas branch road；
6th valve 66 connects with the 3rd valve, the 5th valve 65 and the second gas mixer chamber 42.
It is provided with a stop valve 76, the 3rd valve 63 and between second valve 62 and the 3rd valve 63
A stop valve 77 it is provided with between six valves 66.Either reduction reaction or oxidation reaction, is all to need
Wanting nitrogen, this programme, by a series of valves and the design of stop valve, makes to prop up at a nitrogen cleverly
In the case of road, also can meet the needs of various reaction.
Each valve of the present embodiment is three-way valve, and stop valve is ball valve.
As it can be seen, the outlet of described reduction gas circuit is provided with a drimeter 91.Can by drimeter 91
So that gas humidity is accurately tested, it is ensured that the accuracy of water vapour content in test gas.
The device of the present embodiment can provide gas to the hydrogen electeode of experimental facilities and oxygen electrode, in test
Before, as the gas circuit containing H2 side carried out N2 purging, close stop valve 71, stop valve 72, stop valve
74, stop valve 75, stop valve 76, stop valve 78, stop valve 710, opens stop valve 73 and cuts off
Valve 77, N2 can be by the 3rd valve the 63, the 6th valve the 66, the 7th valve 67, the 8th valve 68
With air gauge 57, gas circuit is purged.After test terminates, it is possible to use identical method is passed through N2
The H2 being contained within gas circuit purges.
Experiment 1
Under SOFC pattern, hydrogen electeode side gas is humidification hydrogen, and oxygen electrode side gas is oxygen.
Concrete operations are: when controlling hydrogen electeode side gas, open stop valve 74, stop valve 711 and cut
Disconnected valve 78, by air gauge 54 detected gas pressure, controls gas flow by mass flowmenter 14,
Closing stop valve 75, stop valve 710, stop valve 79, hydrogen arrives humidifier 81 by stop valve 78,
Controlling water vapour content in hydrogen by the temperature controlling humidifier 81, the hydrogen after humidification passes through gas
Body heating chamber 31 heats further, prevents water vapor condensation, and gas passes through air gauge 57 and humidity
Meter 91 arrives away mouth, air gauge 57 and drimeter 91 and examines pressure and the humidity of exporting hydrogen
Survey.
When controlling oxygen electrode side gas, close stop valve 72 and stop valve 73 and stop valve 76, oxygen
By air gauge 54 detected gas pressure, arrived by the second valve 62 and the first gas mixer chamber 41
Outlet.
Experiment 2
This experiment is with the difference of experiment 1: oxygen electrode side gas is for being dried H2, hydrogen electeode side
Gas is air.
Concrete operations are: when controlling hydrogen electeode side gas, open stop valve 74, stop valve 79 and cut off
Valve 711, by air gauge 54 detected gas pressure, controls gas flow by mass flowmenter 14,
Close valve closing stop valve 75, stop valve 77, stop valve 78 and stop valve 710, H2 by stop valve 79,
68, gas heating chamber 71, air gauge 57 and drimeter 91 reach gas outlet.
When controlling oxygen electrode side gas, open stop valve 72, close stop valve 71, stop valve 73 and cut
Disconnected valve 76, air arrives gas by first valve the 61, second valve 62 and the first gas mixer chamber 41
Body exports.
Experiment 3
This experiment is with the difference of experiment 1,2: hydrogen electeode side gas is H2/N2Mixed gas,
Oxygen electrode side gas is air.
Concrete operations are: when controlling hydrogen electeode side gas, open stop valve 73, stop valve 73, cut off
Valve 77 and stop valve 78, close stop valve 75, stop valve 76 and stop valve 710, N2By the 3rd
Valve 63, the 6th valve 66 arrives the second gas mixer chamber 42, H2By stop valve the 74, the 4th valve
Door the 64, the 5th valve the 65 and the 6th 56 valve 66 arrives the second gas mixer chamber 42, H2 and N2
Stop valve the 79, the 8th valve 68 is passed through by the second gas mixer chamber 42 gentle after being sufficiently mixed
Pressure table 57 arrives gas outlet, N in mixed gas2And H2Ratio passes through mass flowmenter 13 and quality
Effusion meter 14 accurately controls.
When controlling oxygen electrode side gas, open stop valve 72, close stop valve 71 and stop valve 76, empty
Gas arrives gas outlet by first valve the 61, second valve 62 and the first gas mixer chamber 41.
Experiment 4
This experiment is with the difference of experiment 1,2,3: hydrogen electeode side gas is H2, oxygen electrode
Side is O2/N2Mixed gas.
Concrete operations are: when controlling hydrogen electeode side gas, open stop valve 74 and stop valve 711, close
Close stop valve 75, stop valve 710, stop valve 77 and stop valve 78, H2By stop valve 711, cut
Disconnected valve the 79, the 8th valve 68, stop valve 71, air gauge 57 and drimeter 91 reach gas outlet.
When controlling oxygen electrode side gas, opening stop valve 71, stop valve 73 and stop valve 76, closedown is cut
Disconnected valve 72 and stop valve 77, oxygen and N2 are abundant at the first gas mixer chamber 41 through the second valve 62
Arriving gas outlet after mixing, the ratio of oxygen and nitrogen passes through mass flowmenter 12 and mass flowmenter
13 accurately control.
Experiment 5
This experiment is with the difference of experiment 1: mode of operation is SOEC electrolytic hydrogen production, hydrogen electricity
Side, pole gas is hydrogen/steam mixed gas, and oxygen electrode side gas is air.
Concrete operations are: when controlling hydrogen electeode side gas, open stop valve 74, stop valve 711 and cut
Disconnected valve 78, by air gauge 54 detected gas pressure, controls gas flow by mass flowmenter 14,
Closing stop valve 75, stop valve 710, stop valve 79, hydrogen arrives gas humidification by stop valve 78
Room 81, controls water vapour content in hydrogen, after humidification by the temperature controlling gas humidification room 81
Hydrogen is further heated to 250 DEG C by stop valve 71, prevents water vapor condensation, gas from passing through
Air gauge 57 and drimeter 91 arrive away mouth, air gauge 57 and the drimeter 91 pressure to exporting hydrogen
Power and humidity detect, and wherein twine insulation belt outside the steam stove between humidifier 81 to gas outlet, can
Effectively to prevent the condensation of steam in mixed gas.
When controlling oxygen electrode side gas, close stop valve 71 and stop valve 73 and stop valve 76, open
Stop valve 72, air passes through air gauge 51 detected gas pressure, by the second valve 62 and the first gas
Mixing chamber 41 arrives outlet, and gas flow is accurately controlled by mass flowmenter 11.
Experiment 6
This experiment is with the difference of experiment 1,5: hydrogen electeode side gas is that hydrogen/nitrogen/water steams
Oxygen mixture, oxygen electrode side is air.
Concrete operations are: when controlling hydrogen electeode side gas, close stop valve 75, stop valve 76, cut off
Valve 79 and stop valve 710, open stop valve 73, stop valve 74, stop valve 77, stop valve 78 and cut
Disconnected valve 711, nitrogen arrives the second gas mixer chamber 42, hydrogen through the 3rd valve 63 and the 6th valve 66
Gas arrives the second gas mixer chamber 42 through the 4th valve the 64, the 5th valve 65 and the 6th valve 66,
Nitrogen and hydrogen arrive humidifier 81 through the 7th valve 67 after the second gas mixer chamber 42 is sufficiently mixed,
Arriving stop valve 71 through the 8th valve 68 after humidifier 81 humidifies, temperature is further increased to 250 DEG C
Arriving gas outlet by 57, wherein hydrogen and nitrogen ratios can pass through mass flowmenter 14 and quality
Effusion meter 13 accurately controls, and steam ratio can be adjusted by controlling temperature in humidifier 81,
In mixed gas, water vapour content can be tested by drimeter 91.
When controlling oxygen electrode gas, closing stop valve 71 and stop valve 76, open stop valve 72, gas leads to
Cross air gauge 51 detected gas pressure, arrived out by the second valve 62 and the first gas mixer chamber 41
Mouthful, gas flow accurately controls through mass flowmenter 11.
Experiment 7
This experiment is with the difference of experiment 1,5,6: hydrogen electeode side gas is hydrogen/steam
Mixed gas, oxygen electrode side gas is nitrogen.
Concrete operations are: when controlling hydrogen electeode side gas, open stop valve 74, stop valve 711 and cut
Disconnected valve 78, by air gauge 54 detected gas pressure, controls gas flow by mass flowmenter 14,
Closing stop valve 75, stop valve 710, stop valve 79, hydrogen arrives humidifier 81 by stop valve 78,
Controlling water vapour content in hydrogen by the temperature controlling humidifier 81, the hydrogen after humidification is by cutting
Disconnected valve 71 is further heated to 250 DEG C, prevents water vapor condensation, and gas passes through air gauge 57 He
Drimeter 91 arrives away mouth, air gauge 57 and drimeter 91 and enters pressure and the humidity of exporting hydrogen
Row detection, wherein twines insulation belt outside the steam stove between humidifier 81 to gas outlet, can effectively prevent
The condensation of steam in mixed gas.
When controlling oxygen electrode side gas, close stop valve 71, stop valve 72 and stop valve 77, open and cut
Disconnected valve 73, nitrogen arrives outlet by the 3rd valve the 63, second valve 62 and the first gas mixer chamber 41,
Gas flow is accurately controlled by mass flowmenter 13.
Experiment 8
This experiment is with the difference of experiment 1,5: mode of operation is that SOEC is electrolysed CO2Pattern,
Hydrogen electeode side is normally used is H2/CO2Mixed gas, oxygen electrode side is normally used is air.
Concrete operations are: when controlling hydrogen electeode side gas, close stop valve 77, stop valve 78 and cut-out
Valve 710, opens stop valve 74, stop valve 75 and stop valve 711, and H2 passes through the 4th valve 64, the
Five valves 65 and the 6th valve 66 arrive the second gas mixer chamber 42, CO2By the 4th valve 64,
5th valve 65 and the 6th valve 66 arrive the second gas mixer chamber 42, H2And CO2Mix at the second gas
Close and arrive outlet, H through the 7th valve 67 and the 8th valve 68 after room 42 is sufficiently mixed2And CO2Ratio
Accurately controlled by mass flowmenter 14 and mass flowmenter 15.
When controlling oxygen electrode side gas, close stop valve 71, stop valve 73 and stop valve 76, open and cut
Disconnected valve 72, air arrives outlet by the first valve 61 and the second valve 62, and air mass flow passes through quality
Effusion meter 11 accurately controls.
Experiment 9
This experiment is with the difference of experiment 1,5,8: mode of operation is SOEC common-battery solution system
Standby synthesis gas pattern, hydrogen electeode side gas is usually hydrogen/steam/CO2Mixed gas, oxygen electrode side
Gas is usually air.
Concrete operations are: when controlling hydrogen electeode side gas, close stop valve 77, stop valve 79 and cut-out
Valve 710, opens stop valve 74, stop valve 75, stop valve 78 and stop valve 711, and hydrogen is by the
Four valves 64, the 5th valve 65 and the 6th valve 66 arrive the second gas mixer chamber 42, CO2Pass through
4th valve 64, the 5th valve 65 and the 6th valve 66 arrive the second gas mixer chamber 42, hydrogen CO2
Humidifier 81 is arrived through the 7th valve 67, at humidifier after the second gas mixer chamber 42 is sufficiently mixed
Arrive stop valve 71 through the 8th valve 68 after 81 humidifications, mixed gas be heated at stop valve 71～
Hydrogen electeode side gas outlet, hydrogen in mixed gas is arrived through air gauge 57 and drimeter 91 after 250 DEG C
And CO2Ratio is accurately controlled by mass flowmenter 14 and mass flowmenter 15, water vapour content
It is adjusted by controlling humidifier 81 temperature, between humidifier 81 to gas outlet, outside gas circuit, twines insulation belt,
Prevent water vapor condensation.In mixed gas, water vapour content is tested by drimeter 91.
When controlling oxygen electrode side gas, close stop valve 71, stop valve 73 and stop valve 76, open and cut
Disconnected valve 72, air arrives outlet by the first valve 61 and the second valve 62, and air mass flow passes through quality
Effusion meter 11 accurately controls.
The gas control equipment of the present embodiment has the advantage that relative to existing equipment
(1) first shortcoming of existing product is that design is single, can only meet one or two kinds of test mould
The formula requirement to gas, general reducing gases side can only provide hydrogen or N2, oxic gas side can only carry
Oxygen or air, it is impossible to battery mode, electrolysis mode and common electrolysis mode are wanted for gas simultaneously
Asking, the present invention considers the requirement of four kinds of patterns, is optimized combination on this basis, can meet
The test request of four kinds of patterns；(2) general device controls humidity simply by controlling water temperature,
And great majority are room temperature humidifications, in general default apparatus, steam reaches saturated, the high temperature not responded to
Drimeter is tested, and in the present invention, water temperature can be heated to 100 DEG C, and water vapour content can reach 80%
Above, add drimeter at gas outlet, gas humidity accurately can be tested, it is ensured that
The accuracy of water vapour content in test gas；(3) existing apparatus is mostly in gas circuit by gas with various
In directly mix, therefore there is gas mixing non-uniform phenomenon, in this device use inlet flow gauge, and
And in gas circuit, add special gas mixer chamber gas is mixed further, it is ensured that mixing
The uniformity of gas.
Although the foregoing describing the detailed description of the invention of the present invention, but those skilled in the art should managing
Solving, these are merely illustrative of, and protection scope of the present invention is defined by the appended claims.This
The technical staff in field, can be to these embodiment party on the premise of without departing substantially from the principle of the present invention and essence
Formula makes various changes or modifications, but these changes and amendment each fall within protection scope of the present invention.
Claims (12)
1. a gas control equipment, it is characterised in that it include an air passage, an oxygen branch road,
One nitrogen branch road, a hydrogen branch road, a carbon dioxide branch road, an emergency bypass, one reduction gas circuit and
One oxidation gas circuit, wherein, described air passage, oxygen branch road, nitrogen branch road, hydrogen branch road, dioxy
Changing carbon branch road and the outlet of emergency bypass, the import with described reduction gas circuit and oxidation gas circuit connects respectively
Logical.
2. gas control equipment as claimed in claim 1, it is characterised in that described air passage bag
Include an air gas cylinder and a stop valve；Described oxygen branch road includes an oxygen gas cylinder and a stop valve；Described
Nitrogen branch road includes a nitrogen gas cylinder and a stop valve；Described hydrogen branch road include a hydrogen cylinder and all
Disconnected valve；Described carbon dioxide branch road includes a dioxide bottle and a stop valve；Described cushion gas branch road
Including a cushion gas gas cylinder and a stop valve.
3. gas control equipment as claimed in claim 2, it is characterised in that described air passage,
Oxygen branch road, nitrogen branch road, hydrogen branch road, carbon dioxide branch road and emergency bypass all include an air pressure
Table and a mass flowmenter.
4. the gas control equipment as described in claim 1-3 any one, it is characterised in that described
Oxidation gas circuit includes one first gas mixer chamber.
5. the gas control equipment as described in claim 1-3 any one, it is characterised in that from institute
State reduction gas circuit import to outlet, be disposed with one second gas mixer chamber, one gasify path and
Gas heating chamber, wherein, described gasification path includes a vaporization branch road and the routine being connected in parallel
Road, described gasification branch road includes that a stop valve and a vapourizing unit, described conventional branch road include a stop valve.
6. gas control equipment as claimed in claim 5, it is characterised in that described vaporization branch road and
Conventional branch road connects with one the 7th valve and one the 8th valve respectively, wherein, and described 7th valve and institute
Stating the second gas mixer chamber connection, described 8th valve connects with described gas heating chamber.
7. gas control equipment as claimed in claim 5, it is characterised in that described reduction gas circuit is also
Including a mass flowmenter.
8. gas control equipment as claimed in claim 6, it is characterised in that described gas controls dress
Put and also include one first valve, one second valve, one the 3rd valve, one the 4th valve, one the 5th valve
With one the 6th valve, wherein,
Described first valve connects with described air passage, oxygen branch road and the second valve；
Described second valve connects with described first valve, the 3rd valve and the first gas mixer chamber；
Described 3rd valve connects with described nitrogen branch road, the second valve and the 6th valve；
Described 4th valve connects with described hydrogen branch road, carbon dioxide branch road and the 5th valve；
Described 5th valve connects with described 4th valve, the 6th valve and cushion gas branch road；
Described 6th valve connects with described 3rd valve, the 5th valve and the second gas mixer chamber.
9. gas control equipment as claimed in claim 8, it is characterised in that described second valve and
It is provided with a stop valve between described 3rd valve, arranges between described 3rd valve and described 6th valve
There is a stop valve.
10. gas control equipment as claimed in claim 9, it is characterised in that described first valve,
Second valve, the 3rd valve, the 4th valve, the 5th valve and one the 6th valve are three-way valve.
11. gas control equipments as claimed in claim 9, it is characterised in that described stop valve is
Ball valve.
12. gas control equipments as described in claim 1-11 any one, it is characterised in that described
The outlet of reduction gas circuit is provided with a drimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225515.6A CN106195635A (en) | 2015-05-05 | 2015-05-05 | Gas control equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225515.6A CN106195635A (en) | 2015-05-05 | 2015-05-05 | Gas control equipment |
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| CN106195635A true CN106195635A (en) | 2016-12-07 |
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| CN201510225515.6A Pending CN106195635A (en) | 2015-05-05 | 2015-05-05 | Gas control equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN113782787A (en) * | 2021-09-13 | 2021-12-10 | 华能国际电力股份有限公司 | Air inlet system of molten carbonate fuel cell and control method |
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| CN107373279A (en) * | 2017-08-16 | 2017-11-24 | 贵州省科创气体有限公司 | A kind of fresh-keeping gas of fresh rhizoma Gastrodiae and its compound method and device for formulating |
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| CN113782787B (en) * | 2021-09-13 | 2023-09-08 | 华能国际电力股份有限公司 | Control method of air inlet system of molten carbonate fuel cell |
| CN114183694A (en) * | 2021-11-04 | 2022-03-15 | 北京卫星制造厂有限公司 | Gas circuit pressure regulating device |
| CN114183694B (en) * | 2021-11-04 | 2024-03-26 | 北京卫星制造厂有限公司 | Gas circuit pressure regulating device |
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