CN104436992B - There is the PSA Gas purifier assembly of preposition gas ingredients segregation apparatus - Google Patents
There is the PSA Gas purifier assembly of preposition gas ingredients segregation apparatus Download PDFInfo
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- CN104436992B CN104436992B CN201410543516.0A CN201410543516A CN104436992B CN 104436992 B CN104436992 B CN 104436992B CN 201410543516 A CN201410543516 A CN 201410543516A CN 104436992 B CN104436992 B CN 104436992B
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Abstract
The present invention relates to a kind of PSA Gas purifier assembly.This assembly includes PSA Gas purifier, described assembly also includes preposition component separating device, described preposition component separating device is connected between source of the gas and described PSA Gas purifier, for gas carried out before entering described PSA Gas purifier from the gas of described source of the gas Component seperation, described preposition component separating device includes cylinder body and is positioned at the adsorbent of described cylinder body.The hydrone in gas is absorbed, so that described PSA Gas purifier can efficient operation for a long time by described preposition component separating device.
Description
Technical field
The present invention relates to a kind of PSA Gas purifier assembly.
Background technology
Pressure-variable adsorption (Pressure Swing Adsorption is called for short PSA) is a kind of new gas adsorbing separation skill
Art.The principle of PSA separating-purifying gas is adsorbent under high pressure adsorbing contaminant component, desorption of impurities component under low pressure, thus
Gas is carried out separating-purifying.In PSA, adsorbent is easier to adsorb the stronger gas molecule of polarity, as hydrone, organic little point
Sons etc., are but difficult to these gas molecules of desorbing.PSA long-play necessarily has more hydrone and occupies the activity of adsorbent
Site, affects the adsorbent absorption to other impurity compositions, thus affects its purification ability.CN202555142U discloses one
Application two-stage PSA produces the pressure swing adsorption oxygen making device of high-purity oxygen.Although this device can reach to remove moisture in air
Purpose, but this device required component is many, structure is complicated, cost high.
Accordingly, it would be desirable to a kind of can not only to pre-purify gas carry out moisture solution thus improve the service life of PSA and
And simple in construction, lower-cost PSA Gas purifier.
Summary of the invention
It is an object of the invention to provide and a kind of the pre-gas that purifies can not only be carried out moisture solution thus improves PSA's
Service life and simple in construction, lower-cost PSA Gas purifier assembly.
Above-mentioned purpose is to be realized by following PSA Gas purifier assembly, and this assembly includes pressure-variable adsorption gas
Body purifier, described assembly also includes that preposition component separating device, described preposition component separating device are connected to source of the gas and described
Between PSA Gas purifier, for before entering described PSA Gas purifier from the gas of described source of the gas
Gas carries out Component seperation, and described preposition component separating device includes cylinder body and is positioned at the adsorbent of described cylinder body, wherein
Described PSA Gas purifier includes air-bed, product gas surge tank, the first connecting elements and the second connecting elements；Before described
Put component separating device, described air-bed and described product gas surge tank and be positioned at described first connecting elements and described second connection structure
Between part, it is characterised in that described first connecting elements includes: before the upper end installing described preposition component separating device
Put component separating device installing hole；For installing the air-bed installing hole of the upper end of described air-bed；Delay for installing described product gas
Rush the product gas surge tank installing hole of the upper end of tank；Preposition component separating device purge valve installing hole, is used for installing described preposition
The purge valve of component separating device；Air-bed purge valve installing hole, for installing the purge valve of described air-bed；Pressure-variable adsorption separates and carries
Pure device choke valve installing hole, is used for installing choke valve；Product gas surge tank inlet valve installing hole, is used for installing product gas surge tank
Inlet valve；Preposition component separating device intake valve installing hole, for installing the intake valve to preposition component separating device；Air-bed
Purify gas outlet, for installing the purification gas outlet check valve of described air-bed；Preposition component separating device inlet channel；
Assembly flushing channel；Air-bed outlet passageway；And described second connecting elements includes: be used for installing described preposition Component seperation dress
The preposition component separating device installing hole of the lower end put；For installing the air-bed installing hole of the lower end of described air-bed；For installing
The product gas surge tank installing hole of the lower end of described product gas surge tank；Air-bed intake valve installing hole, is respectively used to installation described
The intake valve of air-bed；Product gas surge tank air outlet valve installing hole, for installing the air outlet valve of described product gas surge tank；Preposition group
Divide segregation apparatus air bleeding valve installing hole, for installing the air bleeding valve of described preposition component separating device；Air-bed air bleeding valve installing hole,
For installing the air bleeding valve of described air-bed；The inlet channel of air-bed and assembly exhaust passage.
The hydrone in gas is absorbed, so that described PSA Gas carries by described preposition component separating device
Pure device can efficient operation for a long time.
In a preferred embodiment, described preposition component separating device is provided with: intake valve, by air inlet pipeline with described
Source of the gas connects；Air bleeding valve, connects and has exhaust pipe road；Purge valve, by regeneration air inlet pipeline and described PSA Gas
Purifier connects；Connect the outlet pipe of described PSA Gas purifier.Such preposition component separating device can claim
For isolated preposition component separating device.This isolated preposition component separating device is connected to described change by external pipeline
Pressure adsorbed gas purifier, it is not necessary to described PSA Gas purifier is modified.
In a preferred embodiment, described PSA Gas purifier includes that at least one air-bed, product gas buffer
Tank, the first connecting elements (upper valve body) and the second connecting elements (lower valve body)；Described preposition component separating device, described at least one
Individual air-bed and described product gas surge tank are between described first connecting elements and described second connecting elements.
In a preferred embodiment, described preposition component separating device includes temperature sensor, is used for measuring described suction
The temperature of attached dose.By the temperature variations of adsorbent, it may be determined that preposition component separating device whether adsorb saturated and
Whether desorbing completes.
In a preferred embodiment, described preposition component separating device includes heater.Adsorbent is in the case of a high temperature
During regeneration advantageously.
In a preferred embodiment, described heater is heating tape, and described heating tape is wound in the periphery of described cylinder body
On face.Heating tape heating is applicable to the cylinder body that caliber is less.
In a preferred embodiment, described heater is at least one heating rod, and at least one heating rod described inserts
In described cylinder body.Heating rod heating is applicable to the cylinder body that caliber is bigger.
In a preferred embodiment, described preposition component separating device includes the attemperator wrapping up described cylinder body, institute
Stating attemperator is heat-preservation cotton.Attemperator had both been used for the insulation of heating when regenerating preposition component separating device, was used for again
With extraneous thermal insulation and protect external environment condition to affect from high temperature.
In a preferred embodiment, described preposition component separating device includes the attemperator wrapping up described cylinder body, institute
State attemperator be heat-preservation cotton, Vermiculitum material or the two.Attemperator had both been used for adding when regenerating preposition component separating device
The insulation of heat, be used for again with extraneous thermal insulation and protect external environment condition to affect from high temperature.
In a preferred embodiment, at least one thing during described adsorbent is activated carbon class, alumina type or silica type
Matter.
Accompanying drawing explanation
The present invention above-mentioned with and other objects and advantages by with reference to the following drawings and by way of example can be more
Substantially, in the accompanying drawings:
Fig. 1 is the schematic diagram of the PSA gas purifiers assembly of first embodiment of the invention.
Fig. 2 is the structure diagram of the preposition component separating device of the PSA gas purifiers assembly of Fig. 1.
Fig. 3 A is CO under room temperature condition2Adsorption temp curve chart over a molecular sieve；Fig. 3 B is CO under room temperature condition2Dividing
Desorption temperature curve chart on son sieve.
Fig. 4 A and Fig. 4 B illustrates the sketch of the preposition component separating device of different heating device type.
Fig. 5 shows the sketch of double air-bed formula PSA purifier.
Fig. 6 is the schematic diagram of the PSA gas purifiers assembly of second embodiment of the invention.
Fig. 7 A shows the structural representation of the first connecting elements of the PSA gas purifiers assembly of Fig. 6；Fig. 7 B shows
The structural representation of the second connecting elements of the PSA gas purifiers assembly of Fig. 6.
Detailed description of the invention
The PSA gas purifiers assembly of the present invention is described by way of example below in reference to accompanying drawing.However, it should be understood that
The following examples and accompanying drawing are only illustrative, do not limit the scope of the invention.The scope of the present invention should be by incidental
Claim limits.It addition, for clarity sake, accompanying drawing not drawn on scale.
Fig. 1 is the schematic diagram of the PSA gas purifiers assembly of first embodiment of the invention.PSA gas purifiers group
Part 1 includes preposition component separating device 2 and PSA separating-purifying device 3.Preposition component separating device 2 is by external pipeline and source of the gas 4
Connect with PSA separating-purifying device 3.Specifically, preposition component separating device 2 is connected with source of the gas 4, to source of the gas 4 by air inlet pipeline 5
In gas carry out Component seperation, separate gas and enter PSA separating-purifying device 3 through outlet pipe 6.Preposition component separating device 2
Regenerative process in, the purification gas in PSA separating-purifying device 3 through regeneration air inlet pipeline 7 enter preposition component separating device 2,
Waste gas is discharged through exhaust pipe road 8.Therefore, to be properly termed as compartment (isolated) front for the preposition component separating device 2 in Fig. 1
Put component separating device.
Fig. 2 is the structure diagram of the preposition component separating device of the PSA gas purifiers assembly of Fig. 1.Preposition Component seperation
Device 2 includes cylinder body 9 and is positioned at the adsorbent of cylinder body 9.Adsorbent can be activated carbon class, alumina type, silica type or
Molecular sieve adsorbent.Cylinder body 9 can make metal tube or high-temperature resistance plastice pipe.The minimum volume of cylinder body 9 can be according in source of the gas
Prepurification impurity content, induction air flow ratio, adsorbent capacity and need stream time to be calculated.For example, it is possible to it is logical
Cross equation below to obtain.
Preposition component separating device 2 also includes: the intake valve V1 being located in air inlet pipeline 5；It is located in exhaust pipe road 8
Air bleeding valve V3；And it is located at purge valve V2 in regeneration air inlet pipeline 7.In other embodiments, intake valve V1 and air bleeding valve
V3 can be replaced by a two-position solenoid valve.
In one embodiment, preposition component separating device 2 is also provided with multiple temperature sensor or thermocouple (does not shows
Go out), it is used for detecting whether adsorbent reaches to adsorb saturated, as deciding whether to stop the foundation of source gas, and uses
Regeneration whether is completed in detection adsorbent.Such as, at least one temperature sensor or the installation of TC fill at preposition Component seperation
Put the position, three, upper, middle and lower of 2.Adsorbent is by van der Waals interaction when occurring and adsorb, and molecule divides during attracting each other
Distance between son reduces, and external force to be overcome is done work, and releases energy, thus its ambient temperature raises；And need in desorption process
Adsorbent and adsorbed material are separated and reach desorbing by external force acting, so energy to be absorbed, its place ambient temperature reduces；
Adsorbent, in the case of there is not absorption and desorption, both need not overcome external force to do work, and need not again external force acting, the most preposition
Component separating device internal temperature is constant.Illustrating with Fig. 3 A and 3B, Fig. 3 A is CO under room temperature condition2Suction over a molecular sieve
Enclosure temperature curve chart, Fig. 3 B is CO under room temperature condition2Desorption temperature curve chart over a molecular sieve.Fig. 3 A is divided into three districts
Between, Tu Zhong I district is shown that CO2Molecular sieve temperature before Bei Xifu, it can be seen that molecular sieve does not has significant change；IIth district shows
Be CO2Molecular sieve temperature variations time adsorbed, it can be seen that molecular sieve temperature rises the most rapidly, after tend to slow
Slowly, this is due to starting stage molecular sieve rapid adsorption CO2, discharging rapidly more heat of adsorption, rear molecular sieve adsorption gradually becomes
In saturated, absorption slows down, and release heat of adsorption slows down caused the most therewith；III district be shown that adsorbent saturated time molecule
Sieve temperature, molecular sieve temperature almost no longer changes.
In figure 3b, IIIth district is CO2Molecular sieve temperature when adsorbing saturated, IVth district is CO2Desorption process Middle molecule sieve temperature
Situation of change, the temperature profile of molecular sieve when Vth district is to be desorbed.It can be seen that CO2Desorption process molecular sieve temperature
Overall in declining state, when desorption completes, molecular sieve temperature almost no longer changes.So preposition component separating device is
No regeneration completes, and is judged by the temperature variations being contained in the thermocouple of position, preposition component separating device upper, middle and lower.
Preposition component separating device 2 can be normal-temperature regeneration formula, it is also possible to be high temperature regeneration formula.High temperature regeneration formula is again
Need to be heated to heater certain degree time raw.Fig. 4 A and Fig. 4 B illustrates the preposition Component seperation dress of different heating device type
The sketch put.As shown in Figure 4 A, the heater 10 of heating tape form is wound on cylinder body 9.As shown in Figure 4 B, at least one heating
The heater 10 of bar form is inserted in cylinder body 9.Heating tape heating is applicable to the preposition Component seperation dress of the less cylinder body of caliber
Putting 2, heating rod heating is applicable to the preposition component separating device 2 of the bigger cylinder body of caliber.In the embodiment shown in Fig. 4 A and Fig. 4 B
In, preposition component separating device 2 can also include attemperator 11, has been used for thermal insulation function.Add for different types of
Thermal, is used for different attemperators.Such as, during for heating tape, attemperator 11 can be insulation
Cotton.When heating rod, attemperator 11 can be heat-preservation cotton, Vermiculitum material or the two.In other embodiments, preposition
Component separating device 2 is also provided with at least one temperature sensor or thermocouple (not shown), is used for detecting and control preposition
Internal temperature situation when component separating device 2 regenerates.Such as can be according to the situation of heater, described temperature sensor or thermoelectricity
Occasionally it is uniformly distributed in the diverse location of preposition component separating device 2.
The structure of PSA separating-purifying device 3 is described in the application for a patent for invention No.2014103021264 of the applicant,
The entire disclosure of which is included in this specification.Describing merely to fully disclose the present invention's PSA purifier 3 below
Purpose.
Fig. 5 shows the sketch of double air-bed formula PSA purifier.PSA purifier includes two air-beds, the i.e. first air-bed 13 He
Second air-bed 14, also includes product gas surge tank 15.First air-bed 13 and the second air-bed 14 include respectively intake valve Va1 and Va2,
Air bleeding valve Vb1 and Vb2, purge valve Vc1 and Vc2；Product gas surge tank 15 includes inlet valve Vd and outlet valve Ve.First air-bed
13, the second air-bed 14 and product gas surge tank 15 are positioned at the first connecting elements (upper valve body) 16 and the second connecting elements (lower valve body)
Between 17.
Each air-bed includes the cylinder made by metal material or plastic material and is positioned at the adsorbent of this cylinder.Example
As, described air-bed is mainly used to purifying hydrogen of hydrogen.According to the characteristic of source of the gas, described sorbent material can be activated carbon class, activity
Two or more in alumina type, molecular sieve, silica type.In the filling mode of adsorbent can use air-bed, layering is placed
Two-layer or the mode of multiple layers of different materials.
Purify
When the PSA purifier assembly 1 of first embodiment of the invention is properly functioning, first by preposition component separating device
Purge valve V2 of 2 is closed, then is opened by intake valve V1, and the gas after preposition component separating device 2 enters PSA purifier 3 and enters
Row separating-purifying.
The purification process of the double air-bed formula PSA purifiers shown in Fig. 5 see table.
| 1 | 2 | 3 | 4 | 5 | 6 | |
| First air-bed | A | A | A | BD | P | PR |
| Second air-bed | BD | P | PR | A | A | A |
Each cyclic process includes six steps, and when the i.e. first air-bed 13 air inlet absorption purifies (A), the second air-bed 14 is first carried out
Exhaust pressure relief (BD), then be carried out (P), pressurising the most again (PR)；First air-bed 13 completes air inlet absorption by the setting time and carries
After pure (A), the second air-bed 14 carries out air inlet absorption and purifies (A)；During the second air-bed 14 air inlet, the first air-bed 13 is first exhausted to be let out
Pressure (BD), then be carried out (P), carry out pressurising (PR) the most again.Two air-beds according to the step shown in upper table circulate successively into
The above six step of row, complete the purification of hydrogen, and process is fairly simple.
Regeneration
When preposition component separating device 2 adsorbing contaminant component reaches saturated, carry out adsorbent reactivation.Adsorbent reactivation can
It is divided into normal-temperature regeneration and high temperature regeneration.During adsorbent reactivation, first stop the operation of PSA purifier, then empty preposition component and divide
Gas in device 2.During adsorbent normal-temperature regeneration, when utilizing PSA end of run last time, product gas surge tank 15 retains pure hydrogen
It is carried out regeneration: be first turned on the outlet valve Ve of product gas surge tank 15, then open the purge valve of preposition component separating device 2
V2, opens air bleeding valve V3 simultaneously, persistently leads to hydrogen certain time, this process produce waste gas directly burn heat or reclaim again profit
With.After having regenerated, it is first shut off the outlet valve of product gas surge tank 15, then closes the clear of preposition component separating device 2 successively
Wash valve V2, air bleeding valve V3.Under hot conditions during regeneration, it is the operation first stopping PSA purifier 3 equally, then empties preposition component
Gas in segregation apparatus 2, retains pure hydrogen and is carried out regeneration, so in product gas surge tank 15 when utilizing PSA end of run last time
After prepurifier is heated between 200-320 DEG C by situation according to the actual requirements a certain temperature T, then open product gas surge tank
The outlet valve Ve of 15, then open purge valve V2 of preposition component separating device 2, open air bleeding valve V3 simultaneously, keep temperature T
In the case of, persistently leading to hydrogen certain time, the waste gas that this process produces directly burns heat or recycling.Regeneration completes
After, be first shut off heater, then close successively the outlet valve Ve at product gas surge tank 15, preposition component separating device 2 clear
Wash valve V2 and air bleeding valve V3.
In other embodiments, PSA gas purifiers assembly 1 can also include control system, and it receives described temperature and passes
Sensor or the signal of thermocouple and according to circumstances control the valve of preposition component separating device 2 and the valve of PSA separating-purifying device 3
Open, and the unlatching of heater.
Fig. 6 is the schematic diagram of the PSA gas purifiers assembly of second embodiment of the invention.PSA gas purifiers group
Part 100 carries out separating-purifying to source of the gas 112, preposition including between the first connecting elements 108 and the second connecting elements 110
102, three air-beds 104 of component separating device and product gas surge tank 106.Preposition component separating device 102 in Fig. 6 can claim
For non-gap formula (non-isolated) preposition component separating device.The preposition component separating device of this type is more suitable for room temperature again
Raw.The structure of preposition component separating device 102 is similar with the structure of the preposition component separating device 2 in the first embodiment, removes
Preposition component separating device 102 can only include temperature sensor or the thermocouple of a kind of purposes, is used for detecting adsorbent and is
No reach to adsorb saturated and desorbing and complete.It addition, air-bed and product gas surge tank and first in the second embodiment are implemented
The air-bed of scheme is similar with product gas surge tank.Distinctive points is described below.
Fig. 7 A shows the structural representation of the first connecting elements of the PSA gas purifiers assembly of Fig. 6；Fig. 7 B shows
The structural representation of the second connecting elements of the PSA gas purifiers assembly of Fig. 6.First connecting elements 108 and second connects structure
Part 110 is integral type structure.As shown in Figure 7 A, the first connecting elements 108 includes: preposition component separating device installing hole a, is used for
The upper end of preposition component separating device 102 is installed；Three air-beds installing hole b, c, d, be respectively used to install the upper of three air-beds 104
End；Product gas surge tank installing hole e, for installing the upper end of product gas surge tank 106；Preposition component separating device purge valve is pacified
Dress hole f, for installing the purge valve of preposition component separating device 102；Three air-beds purge valve installing hole g, h, i, be respectively used to
The purge valve of three air-beds 104 is installed；PSA separating-purifying device choke valve installing hole j, is used for installing choke valve；Product gas buffers
Tank inlet valve installing hole k, for installing the inlet valve of product gas surge tank 106；Preposition component separating device intake valve installing hole
L, for installing the intake valve to preposition component separating device 102；Three air-beds purify gas outlet m, n, o, are respectively used to
The purification gas outlet check valve of three air-beds 104 is installed；Preposition component separating device inlet channel p；Assembly flushing channel q；
Air-bed outlet passageway r.
As shown in Figure 7 B, the second connecting elements 110 includes: preposition component separating device installing hole A, is used for installing preposition group
Divide the lower end of segregation apparatus 102；Three air-beds installing hole B, C, D, be respectively used to install the lower end of three air-beds 104；Product gas
Surge tank installing hole E, for installing the lower end of product gas surge tank 106；Three air-beds intake valve installing hole F, G, H, use respectively
In the intake valve installing three air-beds 104；Product gas surge tank air outlet valve installing hole I, for installing product gas surge tank 106
Air outlet valve；Preposition component separating device air bleeding valve installing hole J, for installing the air bleeding valve of preposition component separating device 102；Three
Air-bed air bleeding valve installing hole K, L, M, be respectively used to install the air bleeding valve of three air-beds 104；The inlet channel N of air-bed and assembly row
Gas passage O.
During component operation, the source gas preposition component separating device inlet channel p from Fig. 7 A is through preposition Component seperation
Device intake valve installing hole l enters preposition component separating device 102；After gas component is separated, gas to be purified
Enter air-bed via the inlet channel N of the air-bed in Fig. 7 B through air-bed intake valve installing hole F or G or H and carry out PSA purification；Air-bed
The product gas after purification air-bed from Fig. 7 A purifies gas outlet m or n or o out, imports through air-bed outlet passageway r and produces
In product gas surge tank 106；The product gas product gas surge tank air outlet valve installing hole I in Fig. 7 B again derives；In purification process
The waste gas produced air-bed air bleeding valve installing hole K or L or M in Fig. 7 B, is derived by the assembly exhaust passage O in Fig. 7 B.
Can refer to step described in application number 200680002198.0 including the purification process of three air-bed PSA purifiers enter
OK, it may be assumed that when the first air-bed air inlet purifies (A), the 3rd air-bed is first to the second air-bed counterpressure (EQ), and then the second air-bed is carried out
Pressurising (PR), the 3rd air-bed first carries out exhaust pressure relief (BD), then is carried out (P)；When entering the second air-bed air inlet purification, first
Air-bed is first to the 3rd air-bed counterpressure (EQ), then the 3rd air-bed pressurising (PR), the first air-bed elder generation exhaust pressure relief (BD), then enters
Row cleans (P)；When 3rd air-bed air inlet purifies (A), the second air-bed is first to the first air-bed counterpressure (EQ), then the first air-bed
Carrying out pressurising, the second air-bed first carries out pressure release, then is carried out.
Should be understood that the number of air-bed differs and be set to three, such as, can be one, two or more.
Comparative example
Not having the PSA purifier of preposition component separating device, PSA purifier uses application number No.2014103021264
Middle design, with hydrogen content about 75%, containing CO, CO2It is source gas with the mixed gas of a small amount of moisture, air inlet pressure
Power is 550kPa, and under the conditions of 25 DEG C, in mixed gas, moisture flow is 0.0504mol/min, then the operation of 24h will have continuously
The moisture of 1306g enters PSA purification system with mixed gas, and under the effect of the dual water treatment facilities of PSA, PSA purifier tires out
Meter purifying hydrogen of hydrogen high purity 99.9% and above time are 400 hours.
Embodiment 1
According to the PSA purifier assembly with preposition component separating device of the second embodiment, preposition Component seperation fills
Putting volume is 9.5L, and prepurification agent uses adsorbent capacity to be the activated alumina of 0.75g/ml, and PSA purifier uses Shen
Please design in number No.2014103021264, with hydrogen content about 75%, containing CO, CO2Mixing with a small amount of moisture
Gas is source gas, and admission pressure is 550kPa, and under the conditions of 25 DEG C, in mixed gas, moisture flow is 0.0504mol/min,
Then the moisture having 1306g is entered preposition component separating device with mixed gas by running of 24h continuously, and every 120 hours to preposition
Component separating device carries out normal-temperature regeneration once, and under the effect of the dual water treatment facilities of PSA, PSA purifier is accumulative to be purified
Hydrogen purity be up to 99.9% and the above time for more than 2000 hours.
Embodiment 2
According to the first embodiment of the invention the PSA purifier assembly with preposition component separating device, preposition group
Dividing segregation apparatus volume is 50L, and prepurification agent uses adsorbent capacity to be the activated alumina of 0.75g/ml, and PSA purifies
Device uses design in application number No.2014103021264, with hydrogen content about 75%, containing CO, CO2With a small amount of water
The mixed gas divided is source gas, and admission pressure is 550kPa, and under the conditions of 25 DEG C, in mixed gas, moisture flow is
0.0504mol/min, then the moisture having 1306g is entered preposition component separating device with mixed gas, often by running of 24h continuously
Preposition component separating device was carried out normal-temperature regeneration once in 120 hours, and under the effect of the dual water treatment facilities of PSA, PSA carries
Pure device added up purifying hydrogen of hydrogen high purity 99.9% and above time more than 2500 hours.
Embodiment 3
The present embodiment as preference, according to the first embodiment of the invention there is preposition component separating device
PSA purifier assembly, prepurifier volume is 50L, and prepurification agent uses adsorbent capacity to be the active oxygen of 0.75g/ml
Changing aluminum, PSA purifier uses design in application number No.2014103021264, with hydrogen content about 75%, containing CO,
CO2Being source gas with the mixed gas of a small amount of moisture, admission pressure is 550kPa, under the conditions of 25 DEG C, and moisture in mixed gas
Flow is 0.0504mol/min, then the moisture having 1306g is entered preposition Component seperation with mixed gas by running of 24h continuously
Device, carries out high temperature 250 DEG C to preposition component separating device in every 120 hours and regenerates once, and at the dual water treatment facilities of PSA
Under effect, PSA purifier added up purifying hydrogen of hydrogen high purity 99.9% and above time more than 4000 hours.
Claims (8)
1. a PSA Gas purifier assembly, including PSA Gas purifier, it is characterised in that:
Described assembly also includes that preposition component separating device, described preposition component separating device are connected to source of the gas and described transformation is inhaled
Between attached gas purifiers, it was used for before entering described PSA Gas purifier from the gas of described source of the gas gas
Carry out Component seperation,
Described preposition component separating device includes cylinder body and is positioned at the adsorbent of described cylinder body,
Wherein said PSA Gas purifier includes that air-bed, product gas surge tank, the first connecting elements and second connect structure
Part；Described preposition component separating device, described air-bed and described product gas surge tank are positioned at described first connecting elements and described
Between second connecting elements,
It is characterized in that,
Described first connecting elements includes: for installing the preposition component separating device of the upper end of described preposition component separating device
Installing hole；For installing the air-bed installing hole of the upper end of described air-bed；For installing the product of the upper end of described product gas surge tank
Product gas surge tank installing hole；Preposition component separating device purge valve installing hole, for installing described preposition component separating device
Purge valve；Air-bed purge valve installing hole, for installing the purge valve of described air-bed；Pressure-variable adsorption separating-purifying device choke valve is installed
Hole, is used for installing choke valve；Product gas surge tank inlet valve installing hole, for installing the inlet valve of product gas surge tank；Preposition
Component separating device intake valve installing hole, for installing the intake valve to preposition component separating device；Air-bed purifies gas and gives vent to anger
Mouthful, for installing the purification gas outlet check valve of described air-bed；Preposition component separating device inlet channel；Assembly cleans logical
Road；Air-bed outlet passageway；And
Described second connecting elements includes: for installing the preposition component separating device of the lower end of described preposition component separating device
Installing hole；For installing the air-bed installing hole of the lower end of described air-bed；For installing the product of the lower end of described product gas surge tank
Product gas surge tank installing hole；Air-bed intake valve installing hole, is respectively used to install the intake valve of described air-bed；Product gas surge tank goes out
Air valve installing hole, for installing the air outlet valve of described product gas surge tank；Preposition component separating device air bleeding valve installing hole, is used for
The air bleeding valve of described preposition component separating device is installed；Air-bed air bleeding valve installing hole, for installing the air bleeding valve of described air-bed；Gas
The inlet channel of bed and assembly exhaust passage.
PSA Gas purifier assembly the most according to claim 1, it is characterised in that described preposition Component seperation fills
Put and include temperature sensor, for measuring the temperature of described adsorbent.
PSA Gas purifier assembly the most according to claim 2, it is characterised in that described preposition Component seperation fills
Put and include heater.
PSA Gas purifier assembly the most according to claim 3, it is characterised in that described heater is heating
Band, described heating tape is wound on the outer peripheral face of described cylinder body.
PSA Gas purifier assembly the most according to claim 3, it is characterised in that described heater is at least one
Individual heating rod, at least one heating rod described is inserted in described cylinder body.
PSA Gas purifier assembly the most according to claim 4, it is characterised in that described preposition Component seperation fills
Putting the attemperator including wrapping up described cylinder body, described attemperator is heat-preservation cotton.
PSA Gas purifier assembly the most according to claim 5, it is characterised in that described preposition Component seperation fills
Put the attemperator including wrapping up described cylinder body, described attemperator be heat-preservation cotton, Vermiculitum material or the two.
PSA Gas purifier assembly the most according to claim 1, it is characterised in that described adsorbent is activated carbon
At least one material in class, alumina type or silica type.
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| US7314506B2 (en) * | 2004-10-25 | 2008-01-01 | Matheson Tri-Gas, Inc. | Fluid purification system with low temperature purifier |
| CN201333371Y (en) * | 2008-12-16 | 2009-10-28 | 南京特种气体厂有限公司 | High pressure gas purifier and high pressure gas purification device |
| FR2952553B1 (en) * | 2009-11-19 | 2012-06-01 | Air Liquide | METHOD OF PURIFYING A GAS STREAM USING A PARALLEL PASSAGE SWITCH HAVING CONSERVATION OF ITS PERFORMANCE |
| CN201543362U (en) * | 2009-12-01 | 2010-08-11 | 倪云达 | Treatment device for treating hydrogen in polysilicon tail gas through temperature and pressure variation method |
| CN104028077B (en) * | 2014-06-27 | 2016-02-24 | 北京氢璞创能科技有限公司 | A kind of PSA Gas purifier |
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