CN105289201B - Pressing device and adsorbent compressing method for adsorbent in pressure-swing absorber - Google Patents
Pressing device and adsorbent compressing method for adsorbent in pressure-swing absorber Download PDFInfo
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- CN105289201B CN105289201B CN201510796570.0A CN201510796570A CN105289201B CN 105289201 B CN105289201 B CN 105289201B CN 201510796570 A CN201510796570 A CN 201510796570A CN 105289201 B CN105289201 B CN 105289201B
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Abstract
For the pressing device and adsorbent compressing method of adsorbent in pressure-swing absorber, it is related to the pressing device and method of molecular sieve in a kind of pressure-swing absorber.The present invention solve existing absorbent compressing device can not adjust up-hole plate height, up-hole plate is easily turned on one's side and structure and operating process simple question.The lower surface of up-hole plate is arc surface, up-hole plate offers first through hole and some second through holes along its axial direction, first through hole is located at up-hole plate circle centre position, the upper end of flexible fastening bar is fixed in the lower end of cover plate, the lower end of flexible fastening bar is fixed in the upper surface of up-hole plate, and flexible fastening bar is uniformly arranged along up-hole plate circumferencial direction, and the upper end of guide rod and the lower end of escape pipe are affixed, up-hole plate is set with the guide bar, and end socket is located at the lower end of up-hole plate and is connected with guide rod thread.The compression for being used for the pressing device of adsorbent and adsorbent compressing method in pressure-swing absorber and being used for molecular sieve of the present invention.
Description
Technical field
The present invention relates to a kind of pressing device and adsorbent compressing method for being used for adsorbent in pressure-swing absorber.
Background technology
Biogas is prepared using stalk and biological manure fermentation, its gas calorific value of burning is relatively low, more wastes, current method is led to
It is often using pressure swing adsorption technique separating-purifying recovery methane, the technique is the selectivity to carbon dioxide using adsorbent
Absorb and isolate methane, the problem of methane recovery is higher, and the existing method for compressing adsorbent is present be using absorption,
During desorption technique step, when gas pressure is excessive, flow velocity is too fast or up-hole plate weight is inadequate, adsorption tower up-hole plate is adsorbed
The promotion of agent, up-hole plate center deviation, or even rollover can be caused, adsorbent is escaped, due to needing periodically to change adsorbent, so
Up-hole plate can not be completely fixed, and can not be welded with tower body, and Publication No. CN101683582 patent discloses one kind by hydraulic pressure
Cylinder and the pressing device of cylinder double action, it is possible to achieve the height adjustment of up-hole plate and compression adsorbent, but the device is deposited
In the defects of complicated, job step is cumbersome.
The content of the invention
The invention aims to solve existing absorbent compressing device can not adjust up-hole plate height, up-hole plate it is easy
Rollover and adsorbent easily make its skewness, the problem of compaction process is cumbersome in adsorption tower in filling, and then provide
A kind of pressing device and adsorbent compressing method for being used for adsorbent in pressure-swing absorber.
The technical scheme is that：For the pressing device of adsorbent in pressure-swing absorber, including cover plate, ring flange and
Tower body, tower body are cylindrical shape, and the lower end of ring flange and the upper end of tower body are affixed, and cover plate central position is coated with escape pipe, outlet
Pipe is affixed with cover plate, and the bottom of escape pipe is machined with some ventholes along its circumferencial direction, cover plate be located at the upper end of ring flange and
Affixed by bolt with ring flange, fixation and pressing device for molecular sieve in pressure-swing absorber also include up-hole plate, are oriented to
Bar, end socket and some flexible fastening bars, up-hole plate are circular slab, and the upper surface of up-hole plate is plane, and the lower surface of up-hole plate is
Arc surface, up-hole plate offer first through hole and some second through holes along its axial direction, and first through hole is located at up-hole plate circle centre position, bullet
Property fix bar upper end be fixed in the lower surface of cover plate, the lower end of flexible fastening bar is fixed in the upper surface of up-hole plate, and elasticity is solid
Fixed pole is uniformly arranged along up-hole plate circumferencial direction, and the upper end of guide rod and the lower end of escape pipe are affixed, and up-hole plate is sleeved on guiding
On bar, end socket is located at the lower end of up-hole plate and is connected with guide rod thread.
Present invention also offers a kind of adsorbent compressing method using above-mentioned pressing device, concretely comprise the following steps：
Step 1：The cover plate of tower body upper end is opened, orifice plate is installed, loads supporter and cushion successively；
Step 2：Prepare a funnel, funnel is placed on adsorption tower upper flanges disk, adsorbent is loaded, by adsorbent
Slowly, at the uniform velocity and continuously pour into funnel, meanwhile, the outer wall for beaing adsorption tower of continuous uniform；
Step 3：50s~70s stops beaing after the completion of absorbent filling；
Step 4：Absorbent compressing device is loaded in adsorption tower tower body, makes the lower surface of up-hole plate and adsorbent close
Contact, then locked flexible fastening bar, affixed with ring flange by cover plate with bolt, and adsorbent is realized by flexible fastening bar and pressed
Tightly, now filling and compacting process of the adsorbent in tower body terminates.
The present invention has the following effects that compared with prior art：
The position of up-hole plate can adapt to different absorbent filling height by adjusting the height of flexible fastening bar, real
It is more preferable with property, and can ensure that adsorbent keeps impaction state using flexible fastening bar；By the way that the lower surface of up-hole plate is processed
For arc surface, increase the contact area between adsorbent and up-hole plate lower surface, to ensure the stability of up-hole plate position, keep away
Exempt to cause up-hole plate center deviation because gas pressure is excessive, or even rollover makes adsorbent escape；Compressed with existing adsorbent
Journey is compared, by slowly, at the uniform velocity and pour into Ta Nei continually by funnel and beat tower body outer wall and make during adsorbent filling
Adsorbent is uniform and is closely distributed in tower, and compared with existing packing method, the methane concentration isolated is higher, methane
The rate of recovery improves 8 percent, loads pressing device in tower body during compression, spring can automatic height adjustment, realize adsorbent
Compression, compress that operating process is simple, and be effectively reduced adsorbent by being uniformly arranged for flexible fastening bar and adsorbing
Leakage escape amount in tower running, compared with existing adsorbent compresses, the escape amount of adsorbent reduces 9 percent
17, operating efficiency improves 6 percent.
Brief description of the drawings
Fig. 1 is the structural representation using the adsorption tower of the pressing device of the present invention；
Fig. 2 is Fig. 1 main sectional view；
Fig. 3 is the upward view of up-hole plate；
Fig. 4 is pressure-changing process flow figure.
Embodiment
Embodiment one：Illustrate present embodiment with reference to Fig. 1~Fig. 3, present embodiment is used in pressure-swing absorber
The pressing device of adsorbent, including cover plate 1, ring flange 2 and tower body 3, tower body 3 are cylindrical shape, the lower end of ring flange 2 and tower body 3
Upper end it is affixed, the center of cover plate 1 is coated with escape pipe 4, and escape pipe 4 and cover plate 1 are affixed, and the bottom of escape pipe 4 is justified along it
Circumferential direction is machined with some ventholes 5, and cover plate 1 is located at the upper end of ring flange 2 and affixed by bolt with ring flange 2, for becoming
The pressing device of adsorbent also includes up-hole plate 6, guide rod 7, end socket 8 and some flexible fastening bars 9, up-hole plate in pressure adsorption tower
6 be circular slab, and the upper surface of up-hole plate 6 is plane, and the lower surface of up-hole plate 6 is arc surface, and up-hole plate 6 offers along its axial direction
First through hole 10 and some second through holes, first through hole 10 are located at the circle centre position of up-hole plate 6, and the upper end of flexible fastening bar 9 is fixed in
The lower surface of cover plate 1, the lower end of flexible fastening bar 9 are fixed in the upper surface of up-hole plate 6, and flexible fastening bar 9 is along the circumference of up-hole plate 6
Direction is uniformly arranged, and the upper end and the lower end of escape pipe 4 of guide rod 7 are affixed, and up-hole plate 6 is sleeved on guide rod 7, end socket 8
It is threadedly coupled in the lower end of up-hole plate 6 and with guide rod 7.
The lower surface of up-hole plate 6 is arc surface, increases the contact area between up-hole plate and adsorbent, solid using elasticity
Fixed pole is uniformly arranged along up-hole plate circumferencial direction can produce stable pressure to up-hole plate, prevent up-hole plate center deviation even
Rollover, causes adsorbent to be escaped, up-hole plate can be moved up and down along guide rod, and up-hole plate position is highly adjusted according to different adsorbents
Put.
The distance of the fixed position of up-hole plate 6 ring flange 2 affixed with it should be less than flexible fastening under the conditions of prior art
The length of bar 9, the material of flexible fastening bar 9 can be, but not limited to carbon steel, and its length range is 5cm~30cm.
The length range of guide rod 7 is 10cm~40cm, preferably 15cm~30cm.
Embodiment two：Illustrate present embodiment with reference to Fig. 1 and Fig. 2, the number of the flexible fastening bar 9 is three
It is individual.It is so designed that, while adsorbent impaction state is ensured apparatus structure can be made simple.Other compositions and annexation and tool
Body embodiment one is identical.
Embodiment three：Illustrate present embodiment with reference to Fig. 2, the internal diameter size of the ring flange 2 is interior with tower body 3
Footpath size is consistent.It is so designed that, is easily installed orifice plate 12.Other compositions are identical with embodiment one with annexation.
Embodiment four：Illustrate present embodiment with reference to Fig. 1 and Fig. 2, the flexible fastening bar 9 is that can lock pneumatic bomb
Spring.It is so designed that, facilitates the adjustment of the height of up-hole plate 6 and ensure the compression of adsorbent.Other compositions are with annexation and specifically
Embodiment one, two or three are identical.
Embodiment five：Illustrate present embodiment with reference to Fig. 1 and Fig. 2, the flexible fastening bar 9 is frictional pneumatic
Spring.It is so designed that, facilitates the adjustment of the height of up-hole plate 6 and ensure the compression of adsorbent.Other compositions and annexation and tool
Body embodiment one, two or three are identical.
Embodiment six：Illustrate present embodiment with reference to Fig. 1 and Fig. 2, the flexible fastening bar 9 draws for self-locking type
Formula pneumatic spring.It is so designed that, facilitates the adjustment of the height of up-hole plate 6 and ensure the compression of adsorbent.Other compositions close with being connected
System is identical with embodiment one, two or three.
Embodiment seven：Illustrate present embodiment with reference to Fig. 1~Fig. 3, the diameter of the second through hole 11 is less than 1mm.Such as
This design, prevents adsorbent from being escaped from the second through hole 11.Other compositions are identical with embodiment one with annexation.
Embodiment eight：Illustrate present embodiment with reference to Fig. 2, the chord length of the arc surface of the lower end of up-hole plate 6 is upper hole
The ﹪ of 80 ﹪ of the diameter of plate 6~95.Other compositions are identical with embodiment one with annexation.
Embodiment nine：Illustrate present embodiment with reference to Fig. 1~Fig. 3, use the adsorbent pressure of above-mentioned pressing device
Clamping method, concretely comprise the following steps：
Step 1：The cover plate 1 of the upper end of tower body 3 is opened, orifice plate 12 is installed, loads supporter 13 and cushion 14 successively；
Step 2：Prepare a funnel, funnel is placed on adsorption tower upper flanges disk 2, load adsorbent 15, will adsorb
Agent 15 slowly, at the uniform velocity and is continuously poured into funnel, meanwhile, the outer wall for beaing adsorption tower of continuous uniform；
Step 3：50s~70s stops beaing after the completion of adsorbent 15 loads；
Step 4：Absorbent compressing device is loaded in adsorption tower tower body 3, makes lower surface and the adsorbent 15 of up-hole plate 6
It is in close contact, then locked flexible fastening bar 9, with bolt that cover plate 1 and ring flange is affixed, now adsorbent 15 is in tower body 3
Filling and compacting process terminate.
After the completion of above-mentioned several steps, air-tight test is done to whole adsorption tower using compressed air, ensures whole absorption
The air-tightness of tower is good, after air-tight test, confirms that all valves are closed, opens intake valve, using nitrogen or helium to inhaling
Attached dose is rinsed, and whole process probably ensures 10-20 minutes, it is ensured that when in tower without air, after first closing air outlet valve, continues to fill
Nitrogen or helium turn off intake valve to after operating pressure (0.5-0.7MPa).Compressor power is opened, compressor fills biogas,
Untill compressor delivery pressure reaches setting value.Intake valve is opened, the flow for adjusting mass flow controller is a certain amount of, to inhaling
Attached tower fills biogas.Biogas measuring instrument on-line monitoring adsorption tower outlet side methane concentration, record data.
Supporter 13 and cushion 14 are the various supporters 13 for biogas pressure-swing absorber in the prior art, supporter
13 can be, but not limited to marble, and its altitude range is 3cm~15cm, preferably 5cm~10cm, cushion 14 can with but it is unlimited
In cotton, its altitude range is 0.5cm~2cm, preferably 1cm~1.5cm.
Embodiment：After orifice plate 12 is installed, the Dali hardcore that thickness is 5cm and the cotton that thickness is 1cm are loaded successively
Layer, the filling for calculating adsorbent 15 in tower body 3 is highly 100cm, measures appropriate adsorbent 15, and adsorbent 15 is slow, even
Speed and poured into continually by funnel in adsorption tower, while the outer wall for beaing adsorption tower of continuous uniform, adsorbent 15 have loaded
Stop beaing after into rear 50s~70s, the pressing device of adsorbent 15 is installed, wherein flexible fastening bar 9 is individual for that can lock pneumatic spring
Number is three, distribution triangular in shape.After testing, the composition of the unstripped gas of use such as following table, the adsorption tower is in 0.7MPa, gas space
Under the conditions of tower speed is 0.06m/s, after running 1800h, the volume fraction for the methane isolated is 96.2%, adsorption tower operation 60
The amount of adsorbent 15 that escape is revealed after it is 0Kg.
| Composition | Content V% (wet basis) | Content V% (butt) |
| CO2 | 45.90 | 54.45 |
| CH4 | 37.56 | 44.55 |
| H2S | 1 | 1 |
| H2O | 15.54 | 0 |
| It is total | 100.00 | 100 |
| Pressure Mpa | 0.001 | 0.001 |
| Temperature DEG C | 55 | 55 |
Claims (6)
1. for the pressing device of adsorbent in pressure-swing absorber, including cover plate (1), ring flange (2) and tower body (3), tower body (3)
For cylindrical shape, the lower end and the upper end of tower body (3) of ring flange (2) are affixed, and cover plate (1) center is coated with escape pipe (4), goes out
Tracheae (4) and cover plate (1) are affixed, and the bottom of escape pipe (4) is machined with some ventholes (5), cover plate (1) position along its circumferencial direction
In the upper end of ring flange (2) and affixed by bolt with ring flange (2), it is characterised in that：For adsorbent in pressure-swing absorber
Pressing device also include up-hole plate (6), guide rod (7), end socket (8) and some flexible fastening bars (9), up-hole plate (6) is circle
Shape plate, the upper surface of up-hole plate (6) is plane, and the lower surface of up-hole plate (6) is arc surface, and up-hole plate (6) opens up along its axial direction
There are first through hole (10) and some second through holes, first through hole (10) is located at up-hole plate (6) circle centre position, flexible fastening bar (9)
Upper end is fixed in the lower surface of cover plate (1), and the lower end of flexible fastening bar (9) is fixed in the upper surface of up-hole plate (6), flexible fastening
Bar (9) is uniformly arranged along up-hole plate (6) circumferencial direction, and the upper end and the lower end of escape pipe (4) of guide rod (7) are affixed, up-hole plate
(6) it is sleeved on guide rod (7), end socket (8) is located at the lower end of up-hole plate (6) and is threadedly coupled with guide rod (7), the elasticity
Fix bar (9) is that can lock pneumatic spring, frictional pneumatic spring or the towed pneumatic spring of self-locking type.
2. the pressing device according to claim 1 for being used for adsorbent in pressure-swing absorber, it is characterised in that：The elasticity
The number of fix bar (9) is three.
3. the pressing device according to claim 1 for being used for adsorbent in pressure-swing absorber, it is characterised in that：The flange
The internal diameter size of disk (2) is consistent with the internal diameter size of tower body (3).
4. the pressing device according to claim 1 for being used for adsorbent in pressure-swing absorber, it is characterised in that：Second through hole
(11) diameter is less than 1mm.
5. the pressing device according to claim 1 for being used for adsorbent in pressure-swing absorber, it is characterised in that：The circular arc
The chord length in face for up-hole plate (6) diameter the ﹪ of 80 ﹪~95.
6. a kind of adsorbent compressing method of the pressing device described in usage right requirement 1, is concretely comprised the following steps：
Step 1：The cover plate (1) of tower body (3) upper end is opened, installation orifice plate (12), loads supporter (13) and cushion successively
(14)；
Step 2：Prepare a funnel, funnel is placed on adsorption tower upper flanges disk (2), filling adsorbent (15), will adsorb
Agent (15) slowly, at the uniform velocity and is continuously poured into funnel, meanwhile, the outer wall for beaing adsorption tower of continuous uniform；
Step 3：50s~70s stops beaing after the completion of adsorbent (15) loads；
Step 4：Absorbent compressing device is loaded in adsorption tower tower body, the lower surface and adsorbent for making up-hole plate are in close contact,
Then locked flexible fastening bar (9), with bolt that cover plate is affixed with ring flange, adsorbent is realized by flexible fastening bar and compressed,
Now filling and compacting process of the adsorbent (15) in tower body (3) terminates.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796570.0A CN105289201B (en) | 2015-11-18 | 2015-11-18 | Pressing device and adsorbent compressing method for adsorbent in pressure-swing absorber |
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|---|---|---|---|
| CN201510796570.0A CN105289201B (en) | 2015-11-18 | 2015-11-18 | Pressing device and adsorbent compressing method for adsorbent in pressure-swing absorber |
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| CN105289201A CN105289201A (en) | 2016-02-03 |
| CN105289201B true CN105289201B (en) | 2018-04-06 |
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| CN108261893A (en) * | 2016-12-30 | 2018-07-10 | 天津市华赛尔气体有限公司 | A kind of cut-in type oxygen purification device |
| CN106861371A (en) * | 2017-03-22 | 2017-06-20 | 常熟理工学院 | A kind of biogas pressure-variable adsorption tower apparatus |
| CN108579324B (en) * | 2018-07-11 | 2023-05-09 | 遵义师范学院 | Br in recovered bromine-containing flue gas 2 Apparatus and method of (a) |
| CN113041783A (en) * | 2021-04-18 | 2021-06-29 | 成都同创伟业新能源科技有限公司 | Preparation method and equipment of compensating type adsorber pressing device |
| CN116585989B (en) * | 2023-07-18 | 2023-10-31 | 上海联风气体有限公司 | Tower and automatic assembly method thereof |
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| CN202590577U (en) * | 2012-05-11 | 2012-12-12 | 杭州盛大高科技机电有限公司 | Spring pressing device |
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