CN102371105B - Integrative rotary type adsorber - Google Patents
Integrative rotary type adsorber Download PDFInfo
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- CN102371105B CN102371105B CN201110346789.2A CN201110346789A CN102371105B CN 102371105 B CN102371105 B CN 102371105B CN 201110346789 A CN201110346789 A CN 201110346789A CN 102371105 B CN102371105 B CN 102371105B
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Abstract
The invention discloses an integrative rotatable type adsorber. The adsorber comprises a circular inner cylinder and a circular outer cylinder which have the same mandrel, wherein the middle of the inner cylinder is provided with a baffle plate. The structure of the integrative rotatable type adsorber is equivalent to that of a double-tank adsorber; the center of a top cover (29) of the inner cylinder is provided with a rotating shaft (32), and the rotating shaft (32) is connected with driving equipment by an outlet (3) of the rotating shaft on a top cover (7) of the outer cylinder; the inner side of a bottom cover (25) of the outer cylinder is provided with an annular roller groove (21) which has the same mandrel with the outer cylinder, and an outer layer of the bottom cover of the inner cylinder is provided with a roller (20) matched with the roller groove (21); and a cylinder body (9) of the outer cylinder is provided with a magnetron (27). The adsorption and the recovery of oil gas are realized by the rotatable type adsorber through utilizing the processes of microwave heating and low-vacuum integrated desorption. According to the adsorber, the integration of adsorption and desorption is realized, the structure is simple, and the miniaturization of equipment is realized.
Description
Technical field
The invention belongs to oil gas and reclaim field, refer more particularly to a kind of in the absorption removal process of the various volatile organic matters (VOCs) such as oil gas, based on the integrated rotary type adsorber of absorption-desorption, and utilize heating using microwave and the integrated desorption technique of low vacuum, realize oil gas absorption and reclaim.
Background technology
At present, the separation and recovery method of oil gas and air has absorption process, absorption method, condensation method and membrane separation process etc., and some also contains the comprehensive utilization of compression process or several method.The principle that various oil gas reclaims is different, and it is larger that technical and economic performance also differs.
Wherein, absorption method oil-gas recovery method is to utilize in oil gas-air Mixture the difference of adhesion power between each component and adsorbent, makes the constituent of air of difficult absorption separated with the oil-gas component of easy absorption.Most oil gas absorption reclaimer is all on two and above fixed-bed adsorber, by batchwise adsorption-desorption technique, and conventional high-vacuum desorption or desorption under high temperature, realize oil gas absorption and reclaim.This absorber absorption-desorption cycle is long, and desorb is not thorough, purification efficiency unstable (start high, later to reduce gradually), and operation requirements is high and complicated, and investment is large, and floor space is also large; Especially utilize high-vacuum desorption or desorption under high temperature, the investment of system and energy consumption are all very large.The desorption and regeneration technology of oil gas adsorption recovery system is a difficult point, and good renovation process can make adsorbent desorb ground more thorough, and it can also improve operating condition, reduces investment and operation energy consumption.For adsorbent can repeatedly be recycled, just need to select absorption regeneration methods efficient, energy-saving and environmental protection.
Microwave be frequency greatly about 300MHz～300GHz, the electromagnetic wave of wavelength within the scope of 100cm～1mm.It is between the infrared waves and radio wave of electromagnetic spectrum.Heating using microwave has instantaneity, selective, globality and efficient heat generation characteristic, and the application of heating using microwave turns to the fields such as catalytic chemistry, materials processing, pollution control from traditional communication field.Wherein, polluting control field, particularly in the processing of oily waste water, the aspects such as regeneration of the reparation of oil-polluted soils, oil gas adsorbent obtained larger development or day by day paid attention to.In oil gas recovery field, the regeneration by microwave for rich adsorbent (adsorbent that has adsorbed oil gas), will be a good application prospect.
According to the technology of the present invention feature, retrieve domestic and foreign databases, there is not yet the report that the microwave technology of publishing is applied to rotatable oil gas absorbing recovery device.
Summary of the invention
The object of this invention is to provide a kind of heating using microwave and integrated desorption technique of low vacuum of utilizing, realize the rotary type absorber that oil gas absorption is reclaimed, this absorber has been realized integrated, simple in structure to absorption-desorption, has realized the miniaturization of equipment.
Technical scheme of the present invention is: integrative rotary type adsorber, is comprised of circular inner tube and the urceolus of concentric shafts; Described urceolus is comprised of the urceolus top cover being bolted, urceolus cylindrical shell and urceolus bottom; Described inner core is comprised of the inner core top cover being bolted, inner core cylindrical shell and inner core bottom; In described inner core, be provided with dividing plate, inner core is divided into half airtight each other cylindrical shell; Described inner core top cover center is provided with turning cylinder, and described turning cylinder is connected with driving arrangement by the turning cylinder outlet on urceolus top cover; On described inner core top cover, with two open tops that are provided with of described dividing plate plane symmetry, described two open tops are connected with denuded oil gas outlet movable sealing with the exhaust port on described urceolus top cover by seal groove respectively; In described desorb oil gas vent, be provided with demist filler, the double charging aperture of doing fresh adsorbent of described exhaust port; On described inner core bottom, with two bottom openings that are provided with of described dividing plate plane symmetry, described two bottom openings are connected with nitrogen inlet movable sealing with the feeding gas entrance on described urceolus bottom by seal groove respectively; Described urceolus bottom and inner core bottom axially freely assemble; The inside low side of described two halves cylindrical shell is provided with network structure and feet successively, and its outside is arranged with discharge port higher than the position of described feet; Described urceolus cylindrical shell is provided with magnetron.
Further, half cylindrical shell of described urceolus cylindrical shell is arranged symmetrically with 4 magnetrons up and down.
Further, described network structure is the supporting steel plate with macropore for what arrange from bottom to top, macropore silk screen and pore silk screen.
Further, described magnetron comprises filament and antenna, its outer metal cap that is provided with; Described antenna installation direction is inner towards urceolus, and antenna is provided with plastic jacket outward.
Further, described baffle surface, inner core top cover inner surface, supporting steel plate surface all scribble resistant to elevated temperatures polytetrafluoroethylene (PTFE); Described inner core cylindrical shell is to be made by resistant to elevated temperatures polytetrafluoroethylene (PTFE).
Further, described urceolus cylindrical shell is provided with infrared radiation thermometer.
Further, described axial free assembly structure is that urceolus bottom inner side is provided with the annular rollers groove with urceolus concentric shafts, and described inner core bottom skin is provided with the roller matching with described roller groove.
Further, described urceolus cylindrical shell is provided with stiffening ring and support.
Further, described adsorbent is active carbon, silica gel or active carbon/silica gel composite absorbent.
Beneficial effect of the present invention is:
(1) the present invention utilizes the instantaneity of heating using microwave, the selective and rich adsorbent of globality desorption and regeneration, and while utilizing low vacuum desorb, operation energy consumption is low simultaneously, and desorption and regeneration efficiency is improved more than 0.5%, and operation energy consumption reduces more than 10%.
(2) utilization of the present invention substitutes traditional pure high-vacuum desorption equipment (vacuum is about 3kPa) with the microwave stripping apparatus of certain vacuum degree (being about 50kPa), can make cost of investment reduce by 15%～20%.
(3) the present invention utilizes single tank absorber to replace traditional two tank absorbers, and with steel plate spaced intermediate at absorber, structure is equal to pair tank absorbers, compact conformation, floor space is little.One circle roller has been installed in the bottom of single tank absorber, has been utilized belt transmission, made this absorber can rotate absorption, realized the continuity of adsorption operations, made adsorption separation process from intermittently becoming continuously, shortened the adsorption-desorption cycle, automaticity is high.
(4) when absorber is in desorb metasomite, utilize nitrogen to carry out the degree of depth and purge desorb, can also solve the problem of temperature rise of adsorbent after microwave desorb, allow adsorbent remain at more suitable temperature and work.
Accompanying drawing explanation
Fig. 1 is schematic three dimensional views of the present invention;
Fig. 2 is profile of the present invention;
Fig. 3 is I place enlarged drawing in Fig. 2;
Fig. 4 is II place enlarged drawing in Fig. 2;
Fig. 5 is III place enlarged drawing in Fig. 2;
Fig. 6 is A-A view in Fig. 2;
Fig. 7 is B-B view in Fig. 2;
Fig. 8 is application oil gas absorption of the present invention recovery embodiment schematic diagram;
Wherein: 1 motor, 2 driving wheels, 3 turning cylinder outlets, 4 exhaust ports, 5-1 seal groove, 5-2 dividing plate bar shaped seal groove, 6 sealing rings, 7 urceolus top covers, 8 bolts, 9 urceolus cylindrical shells, 10 adsorbents, 11 dividing plates, 12 inner core cylindrical shells, 13 stiffening rings, 14 supports, 15 discharge ports, 16 pore silk screens, 17 macropore silk screens, 18 supporting steel plates, 19 feets, 20 rollers, 21 roller grooves, 22 feeding gas entrances, 23 nitrogen inlets, 24 inner core bottoms, 25 urceolus bottoms, 26 metal caps, 27 magnetrons, 27-1 filament, 27-2 antenna, 27-3 plastic jacket, 28 infrared radiation thermometers, 29 inner core top covers, 30 demist fillers, 31 desorb oil gas vents, 32 turning cylinders, 33 belts, 34 oil gas-air Mixture, 35 nitrogen, 36 air-introduced machines, 37 rotary type adsorbers, 38 vavuum pumps, 39 recovers, 40 rich oil pumps, 41 oil-poor pumps, 42 oil-poor entrances, 43 rich oil outlets, V1, V2, V3 autocontrol valve.
The specific embodiment
As depicted in figs. 1 and 2, integrative rotary type adsorber is comprised of urceolus and inner core.Urceolus comprises urceolus top cover 7, urceolus cylindrical shell 9 and the urceolus bottom 25 that metal is made, and three connects with bolt 8.Described urceolus top cover 7 is provided with exhaust port 4, turning cylinder outlet 3 and denuded oil gas outlet 31.In desorb oil gas vent 31, be provided with demist filler 30.Exhaust port 4 can be used as again the charging aperture of fresh adsorbent.Described urceolus cylindrical shell 9 is provided with stiffening ring 13, support 14, magnetron 27 and infrared radiation thermometer 28.Wherein on stiffening ring 13 every 120 ° of supports 14 that distribute.On the cylindrical shell of half, the right side of urceolus cylindrical shell 9, be arranged symmetrically with up and down 4 magnetrons 27.Wherein magnetron 27 comprises filament 27-1 and antenna 27-2.Antenna 27-2 installation direction is inner towards urceolus, and antenna 27-2 is provided with plastic jacket 27-3 outward, and the effect of plastic jacket 27-3 is to prevent that magnetron from directly contacting with gas in tank.The outer metal cap 26 that is provided with of magnetron 27, metal cap 26 has played effect attractive in appearance and protection magnetron.Infrared radiation thermometer 28 is located at the top of support 14, and infrared radiation thermometer 28 plays the effect of Real-Time Monitoring internal temperature, prevents because of danger such as excess Temperature is explosion caused, burnings.Described bottom 25 is provided with feeding gas (being oil gas-air Mixture) entrance 22, nitrogen inlet 23 and roller groove 21.Be located at the inner side of bottom 25 with the annular roller groove 21 of urceolus cylindrical shell 9 concentric shafts.After finishing, desorb passes into nitrogen from nitrogen inlet 23, just can vacuum breaker, and can further purge again adsorbent and solve the excess Temperature problem of adsorbent after microwave desorb, allow adsorbent remain at more suitable temperature and work.
Described inner core, comprises inner core top cover 29, inner core cylindrical shell 12 and inner core bottom 24, and three connects with bolt 8.On described inner core top cover 29, establish two open tops, seal groove 5-1, dividing plate 11 and turning cylinder 32.Turning cylinder 32, seal groove 5-1, dividing plate 11 and top cover 29 are to be made of metal, the 4th, one, and the inner surface of the surface of dividing plate 11 and inner core top cover 29 has all been coated the resistant to elevated temperatures polytetrafluoroethylene (PTFE) of one deck, prevent metal material reflection electromagnetic wave and the magnetron 27 of breaking under microwave environment.Two seal groove 5-1 are two corresponding with open top on inner core top cover 29 respectively concentric shafts annular grooves, and its inner and outer diameter is all greater than the diameter of exhaust port 4 or desorb oil gas vent 31.Dividing plate 11 separates into two airtight 2 of left and right, half cylindrical shells each other by inner core cylindrical shell 12 symmetries.The outer end of turning cylinder 32 is connected with belt 33, thereby drives its rotation by motor 1.Described inner core cylindrical shell 12 is made by resistant to elevated temperatures polytetrafluoroethylene (PTFE), the inside low side of 2 half cylindrical shells in left and right is respectively provided with several feets 19, on feet 19, spread respectively the supporting steel plate 18 with macropore, high temperature resistant, high-intensity polytetrafluoroethylene (PTFE) macropore silk screen 17 and pore silk screen 16.Teflon coating is coated on supporting steel plate 18 surfaces.The downside outside of 2 half cylindrical shells in left and right is respectively provided with 1 adsorbent discharge port 15, and 2 of left and right discharge port 15 is arranged symmetrically, and the position of discharge port 15 is a little more than the feet 19 of cylindrical shell 12 inside, so that the unloading of adsorbent 10.Described inner core bottom 24 is provided with two bottom openings, seal groove 5-1, dividing plate bar shaped seal groove 5-2 and roller 20; Two seal groove 5-1 are 2 corresponding with two bottom openings on inner core bottom 24 respectively concentric shafts annular grooves, and inner and outer diameter separately is all greater than the diameter of feeding gas entrance 22 or nitrogen inlet 23.Dividing plate bar shaped seal groove 5-2 and dividing plate 11 tightly seal, and play the effect that separates 2 half cylindrical shells in left and right.The number of roller 20 is 6～8, and roller 20 is supported on the annular rollers groove 21 of urceolus bottom 24 inner sides, has played the effect of rotating and support load-bearing.
In the present invention, rotary type adsorber example structure as shown in Figure 2.Rotary type adsorber is vertical device, by urceolus and inner core, formed, its diameter is determined according to the treating capacity of gas recovery system for oil, urceolus generally can be designed to φ 700mm～φ 1200mm, inner core is φ 600mm～φ 1000mm, general 1100mm～the 1600mm of height of urceolus, inner core generally can be designed to 1000mm～1500mm.Urceolus top cover 7 is provided with exhaust port 4 and the denuded oil gas outlet 31 that two diameters are all φ 80mm～φ 150mm, and diameter is the turning cylinder outlet of φ 90mm～φ 120mm.Urceolus bottom 25 is provided with feeding gas entrance and the nitrogen inlet that two diameters are all φ 80mm～φ 150mm.Exhaust port 4 on inner core top cover 29 and denuded oil gas outlet 31 will with aiming on urceolus top cover 7, and measure-alike, be all φ 80mm～φ 150mm, the diameter of turning cylinder 32 can be made as φ 80mm～φ 110mm.Discharge port on inner core cylindrical shell 12 is located at the position a little more than feet, and diameter is φ 80mm～φ 150mm.Feeding gas entrance 22 on inner core bottom 24 and the position of nitrogen inlet 23 will with aiming on urceolus bottom 25, measure-alike, be all φ 80mm～φ 150mm.
As shown in Figure 3 and Figure 6, inner core cylindrical shell 12 belows of inner core are comprised of three-layer network shape structure, pore silk screen 16, macropore silk screen 17 and supporting steel plate 18 successively, the order of putting successively: first supporting steel plate 18 is placed on feet 19, then spreads successively macropore silk screen 17 and pore silk screen 16.Macropore silk screen 17 and pore silk screen 16 are all to be made by the polytetrafluoroethylmaterial material of high temperature resistance and high strength, and supporting steel plate 18 is with macropore, and coat teflon coating.
As shown in Fig. 4 and Fig. 7, roller 20 is supported on the annular rollers groove 21 of urceolus bottom 24 inner sides, plays the effect of supporting inner core.It rolls in roller groove 21, and roller groove 21 is annular, with urceolus bottom 24 are one, roller 20 is moved according to set round circular orbit.
As shown in Figure 5, magnetron 27 is comprised of top filament 27-1 and bottom antenna 27-2.Magnetron 27 is outer is provided with metal cap 26, and bottom antenna 27-2 is provided with plastic jacket 27-3 outward.Filament 27-1 will mate with corresponding heating current, in pipe, electronics is under the control of orthogonal stationary magnetic field and steady electric field, interact with electromagnetic field of high frequency, the energy obtaining from steady electric field is transformed into microwave energy, then by bottom antenna 27-2 output microwave.The Energy distribution of microwave is the circular ripple being layering, and is similar to ripples, and its range of energy distribution is the inner space of right half cylindrical shell of inner core.Consider the uniformity of Energy distribution herein, adopt 4 magnetrons, and be arranged symmetrically with up and down on urceolus right side.
Fig. 8 is application oil gas absorption of the present invention recovery embodiment schematic diagram.In figure, each device connects and to be described below: (1) entrucking oil filling riser is during to rail tank car or the airtight charge of oil of automobile oil truck, or automobile oil truck is during to gas station's buried tank emptying, oil gas-air Mixture that oil truck or buried tank emit is connected with air-introduced machine 36 by discharge 34; (2) air-introduced machine 36 outlets are connected with the feeding gas entrance 22 of rotary type adsorber 37, and the nitrogen 35 of discharging from nitrogen making machine outlet is connected with the nitrogen inlet 23 of rotary type adsorber 37 through internally piloted valve V1; (3) tail gas after rotary type adsorber 37 inner core adsorbent absorption is directly emptying by the exhaust port 4 at absorber 37 tops; (4) the desorb oil gas vent 37 of rotary type adsorber 37 is connected to extract out with the entrance of vavuum pump 38 oil gas desorbing through internally piloted valve V3, and another arm is connected with the feeding gas entrance 22 of rotary type adsorber 37 through internally piloted valve V2; (5) outlet of vavuum pump 38 connects the bottom of recover 39; (6) recover 39 bottoms are connected with rich petrol pump 40 entrance points, and top is connected with poor petrol pump 41 ports of export, the tail gas that top discharge goes out turn back to rotary type adsorber 37 bottom feeding gas entrance 22 and be recycled absorption.
Oil gas absorption recycling step:
(1) inner core of rotary type adsorber 37 is filled a certain amount of oil gas adsorbent 10 in (comprising 2 half cylindrical shells in left and right).
(2) from the oil gas-air Mixture 34 of oil storage and transportation equipment, pass through air-introduced machine 36, be directed into the charging aperture of left half urceolus of rotary type adsorber 37 and inner core, oil gas-air Mixture 34 in left half inner core in mobile process, oil gas is adsorbed agent 10 and adsorbs, and the air tail gas that then the contains micro-oil gas successively exhaust port 4 from inner core and urceolus top cover is discharged in atmosphere and goes.
(3) left half inner core adsorbent absorption oil gas is after 20 minutes, the turning cylinder 32 that utilizes motor 1 to drive on inner core, slowly inner core is rotated to 180 °, then the vavuum pump 38 that utilization is connected with urceolus desorb oil gas vent 31 is at the condition lower pumping of low vacuum, utilize 4 magnetrons 27 that are fixed on right half cylindrical shell of urceolus simultaneously, suitably utilize heating using microwave, make rich adsorbent go out oil gas in heating using microwave and the integrated desorb of low vacuum.The rich adsorbent of desorb is after 15 minutes, stopping magnetron 27 heating using microwaves and vavuum pump 38 bleeds, close internally piloted valve V3, open internally piloted valve V1, from extraneous nitrogen line 35, introduce micrometeor nitrogen, through internally piloted valve V1, and the nitrogen inlet 23 by urceolus, inner core enters the adsorption bed in inner core respectively, so not only can vacuum breaker, can also further purge adsorbent and degree of depth desorb cooling adsorbent.When the pressure of urceolus desorb oil gas vent 31 is greater than oil gas-air Mixture feed gas pressure (being the pressure of air-introduced machine 35 outlets) 500～1000 Pa, open internally piloted valve V2, proceed nitrogen blowing.Now, from inner core trace nitrogen gas tail gas out, pass through respectively inner core, urceolus desorb oil gas vent 31, and internally piloted valve V2, recirculation enters charging aperture 22 places of urceolus and inner core, and be recycled absorption, reclaims.Nitrogen stops after purging altogether 5 minutes.In rich adsorbent desorption and regeneration, second half inner core just enters oil gas absorption link.Through the intermittent rotary manipulation to absorber 37 like this, realize the intermittence absorption of absorber 37 left and right half inner core adsorbents---desorption cycle switching, thereby realize on the whole the continuous process that oil gas absorption is reclaimed.
(4) high-concentration oil vapor desorbing from rotary type adsorber 37, through vavuum pump 38, and send into recover 39 bottoms and by the poor gasoline of the liquid state from oil-poor pump 41 institute spray-absorption, rich gasoline after absorption is returned original oil tank or directly sends use outside through rich oil pump 40, thereby realizes the recovery of oil gas.The liquid level of recover 39 is controlled by control valve, thereby makes its liquid level remain on stable level.
(5) in recover 39, there is the unabsorbed tail gas of part again to circulate and enter rotary type adsorber 37 feeding gas entrances 22, thereby be recycled absorption.
Claims (9)
1. integrative rotary type adsorber, is comprised of circular inner tube and the urceolus of concentric shafts; Described urceolus is comprised of the urceolus top cover (7) being bolted, urceolus cylindrical shell (9) and urceolus bottom (25); Described inner core is comprised of the inner core top cover (29) being bolted, inner core cylindrical shell (12) and inner core bottom (24); It is characterized in that: in described inner core, be provided with dividing plate (11), inner core is divided into half airtight each other cylindrical shell; Described inner core top cover (29) center is provided with turning cylinder (32), and described turning cylinder (32) is connected with driving arrangement by the turning cylinder outlet (3) on urceolus top cover (7); Upper two open tops that are provided with described dividing plate (11) plane symmetry of described inner core top cover (29), described two open tops are connected with denuded oil gas outlet (31) movable sealing with the exhaust port (4) on described urceolus top cover (7) by seal groove respectively; In described desorb oil gas vent (31), be provided with demist filler (30), the double charging aperture of doing fresh adsorbent of described exhaust port (4); On described inner core bottom, with two bottom openings that are provided with of described dividing plate (11) plane symmetry, described two bottom openings are connected with nitrogen inlet (23) movable sealing with the feeding gas entrance (22) on described urceolus bottom (25) by seal groove respectively; Described urceolus bottom (25) axially freely assembles with inner core bottom; The inner bottom of described two halves cylindrical shell is provided with feet (19), and described feet is covered with network structure on (19), and described two halves staving outside is provided with symmetrical discharge port (15) higher than the position of described feet (19); Described urceolus cylindrical shell (9) is provided with magnetron (27).
2. integrative rotary type adsorber according to claim 1, is characterized in that: half, the right side cylindrical shell of described urceolus cylindrical shell (9) is arranged symmetrically with 4 magnetrons (27) up and down.
3. integrative rotary type adsorber according to claim 1, is characterized in that: described network structure is the supporting steel plate (18) with macropore for what arrange from bottom to top, macropore silk screen (17) and pore silk screen (16).
4. integrative rotary type adsorber according to claim 1, is characterized in that: described magnetron (27) comprises filament (27-1) and antenna (27-2), the outer metal cap (26) that is provided with of described magnetron (27); Described antenna (27-2) installation direction is inner towards urceolus, the outer plastic jacket (27-3) that is provided with of antenna (27-2).
5. integrative rotary type adsorber according to claim 3, is characterized in that: described dividing plate (11) surface, inner core top cover (29) inner surface, supporting steel plate (18) surface all scribble resistant to elevated temperatures polytetrafluoroethylene (PTFE); Described inner core cylindrical shell (12) is to be made by resistant to elevated temperatures polytetrafluoroethylene (PTFE).
6. integrative rotary type adsorber according to claim 1, is characterized in that: described urceolus cylindrical shell (9) is provided with infrared radiation thermometer (28).
7. integrative rotary type adsorber according to claim 1, it is characterized in that: described axial free assembly structure is that urceolus bottom (25) inner side is provided with the annular rollers groove (21) with urceolus concentric shafts, and described inner core bottom skin is provided with the roller (20) matching with described roller groove (21).
8. integrative rotary type adsorber according to claim 1, is characterized in that: described urceolus cylindrical shell (9) is provided with stiffening ring (13) and support (14).
9. integrative rotary type adsorber according to claim 1, is characterized in that: described adsorbent is active carbon, silica gel or active carbon/silica gel composite absorbent.
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| CN115611353A (en) * | 2022-10-20 | 2023-01-17 | 郴州中化氟源新材料有限公司 | Fluoride chemical production wastewater treatment system |
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| GB2357983B (en) * | 1999-09-24 | 2003-11-05 | Tony Simpson | Dehumidifying apparatus |
| CN101071717A (en) * | 2006-05-12 | 2007-11-14 | 乐金电子(天津)电器有限公司 | Magnetron with anti-current structure |
| JP4951017B2 (en) * | 2009-03-24 | 2012-06-13 | 株式会社大気社 | Adsorption gas processing equipment |
| EP2332631B1 (en) * | 2009-12-03 | 2012-11-14 | Kaeser Kompressoren GmbH | Absorption drying device and absorption drying method |
| CN102120121B (en) * | 2011-01-11 | 2013-06-19 | 常州大学 | Oil gas adsorber |
| CN202410480U (en) * | 2011-11-07 | 2012-09-05 | 常州大学 | Integrated rotary adsorber |
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