CN210021628U - Reproducible radial flow adsorber - Google Patents
Reproducible radial flow adsorber Download PDFInfo
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- CN210021628U CN210021628U CN201920599721.7U CN201920599721U CN210021628U CN 210021628 U CN210021628 U CN 210021628U CN 201920599721 U CN201920599721 U CN 201920599721U CN 210021628 U CN210021628 U CN 210021628U
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Abstract
The utility model provides a reproducible radial flow adsorber, which comprises a cylindrical adsorber body, an upper end socket and a radial flow adsorbent bed layer arranged in the adsorber; the structure for loading and unloading the adsorbent is arranged on the top, and the loading and unloading of the adsorbent are convenient and reliable; when the steam regeneration is adopted, the upper structure has less or no water accumulation, the problem of premature failure of flange seal caused by water accumulation is avoided, and the problem that the appearance of the absorber is influenced by water leakage traces can be avoided or reduced.
Description
Technical Field
The utility model belongs to a fluid adsorbs clarification plant field, concretely relates to can palingenetic radial flow adsorber.
Background
Fixed bed adsorbers packed with particulate adsorbent are common fluid purification devices and generally include three types, axial flow adsorbers, radial flow adsorbers, and axial radial flow adsorbers.
The radial flow adsorber is a fixed bed adsorber with gas flow or liquid flow passing through an adsorbent bed along the radius direction of the adsorber, wherein the adsorbent is generally filled in a cylindrical barrel consisting of an inner sieve plate, an outer sieve plate and/or a sieve mesh with the central axis in the vertical direction, and the fluid passes through the adsorbent bed from outside to inside during adsorption; the bottom surface of the cylinder body is closed; the top of the cylinder is usually provided with an adsorbent storage section, and the stored adsorbent automatically moves downwards for replenishment after the lower adsorbent is consumed or the height of the adsorbent is reduced. The radial flow adsorber has the advantages of large flow area, low flow velocity, short flow, small bed pressure drop, strong adaptability to the fluctuation of fluid flow and the like.
However, one disadvantage of the radial flow adsorber is that the loading and unloading structure of the adsorbent is complicated, generally, the adsorbent loading structure is arranged at the top, and the adsorbent unloading structure is arranged at the bottom, so that the actual operation is often very inconvenient, and especially, the flowability of the adsorbent after long-term application is poor, and the adsorbent is often difficult to flow from the bottom. Another disadvantage is that water accumulates in the superstructure during steam regeneration, which can cause premature failure of the flange seal and can affect the appearance of the adsorber.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a reproducible radial flow adsorber, the loading and unloading structures of the adsorbent are arranged on the top, and the loading and unloading of the adsorbent are convenient and reliable; when the steam regeneration is adopted, the upper structure has less or no water accumulation, the problem of premature failure of flange seal caused by water accumulation is avoided, and the problem that the appearance of the absorber is influenced by water leakage traces can be avoided or reduced.
The utility model discloses a reproducible radial flow adsorber, which comprises a cylindrical adsorber body, an upper end socket and a radial flow adsorbent bed layer arranged in the adsorber;
the adsorber body is connected with the upper end enclosure through a flange; the bottom of the adsorber body is provided with an adsorption fluid inlet and a regeneration medium outlet; the upper end enclosure is provided with an absorption fluid outlet and a regeneration medium inlet;
the radial flow adsorbent bed comprises an outer cylinder and an inner cylinder, wherein the central axes of the outer cylinder and the inner cylinder are overlapped, and the outer cylinder and the inner cylinder are both divided into a fluid distribution section through which fluid can pass and a sealing section which is positioned above the fluid distribution section and is not through the fluid; the lower parts of the outer cylinder and the inner cylinder are provided with integrated or separated lower sealing plates; flanges are respectively arranged at the top of the outer cylinder sealing section and the top of the inner cylinder sealing section, and the flanges are connected through an annular cover plate to realize the isolation between the upper part of the adsorbent bed and the upper end enclosure; the fluid distribution section, the sealing section, the lower sealing plate, the annular cover plate and the adsorbent filled in the gap enclosed by the fluid distribution section, the sealing section, the lower sealing plate and the annular cover plate form the radial flow adsorbent bed;
the outer wall of the outer cylinder sealing section is provided with double-sided isolation flanges, the outer edges of the isolation flanges are arranged between the absorber body flange and the upper end socket flange, and the three flanges are connected to realize isolation between the absorber body and the upper end socket;
the upper section of the inner cylinder sealing section is a reducing section, the diameter of the upper end of the reducing section is larger than that of the lower end of the reducing section, and a connecting bolt hole of a flange at the upper part of the reducing section is arranged in the centripetal direction in the reducing section;
the upper end enclosure, the inner annular gap of the annular cover plate and the inner gap of the inner cylinder form an inner upper flow channel of the adsorbent bed; the inner gap formed by the absorber body, the outer cylinder and the lower sealing plate of the outer cylinder forms an inner lower flow channel of the adsorbent bed.
The utility model discloses a radial flow adsorber can regenerate, fluid gets into from the fluid entry of adsorber body bottom before its absorption operation period is handled, through the clearance of adsorber body lateral wall and urceolus, flows into the adsorbent bed by urceolus fluid distribution section, flows into the inner tube space through inner tube fluid distribution section again, later upwards through inner tube seal section, annular cover plate's inner annulus, upper cover and absorption fluid export, outflow adsorber. During adsorber regeneration operation, the flow of regeneration medium is reversed from that during adsorption operation.
The fluid distribution sections of the outer cylinder and the inner cylinder can be sieve plates, and/or composite screens formed by laminating multiple layers of screens, and/or screens formed by weaving tows. The screen mesh woven by the filament bundles comprises a screen mesh woven by bundles of stainless steel filaments and a screen mesh woven by the filament bundles of corrosion-resistant plastics such as polytetrafluoroethylene, and has the advantages of high strength, long service life and easiness in connection with relevant components such as the sealing section and the lower sealing plate through welding and the like.
Wherein, the adsorbent comprises silica gel, molecular sieve, active carbon, adsorption resin, especially macroporous adsorption resin, and ion exchange resin, especially macroporous ion exchange adsorption resin. The regeneration includes thermal regeneration, solvent regeneration, or chemical regeneration. The heat regeneration medium comprises hot air, hot nitrogen and/or steam, the steam also comprises overflowed steam, and the steam has the advantages of low price, easy obtaining, basic inertia, large amount, only generating condensed water and no need of recycling.
When steam is used as a heat regeneration medium, one or more through holes can be arranged on the isolation flange and close to the outer cylinder sealing section of the isolation flange. During regeneration, condensed water of the upper end enclosure is discharged to the adsorption bed layer, so that corrosion of the condensed water to a sealing gasket between the upper end enclosure flange and the isolation flange is avoided, and the condensed water can be leaked less or not after the sealing gasket is leaked, so that influence of water leakage traces and water stains on the appearance of the adsorber is avoided or reduced. And a pipeline can be arranged in the through hole, the other end of the pipeline faces the inner cylinder or the sealing section of the inner cylinder and is covered or blocked by a screen, the pipeline is directly immersed in the adsorbent before the adsorbent descends below the pipeline, and the phenomenon that the adsorption running time of the whole adsorber is influenced by the fact that a small amount of fluid which is not subjected to adsorption treatment and reaches the standard level flows into the upper end enclosure through the through hole to generate 'half short circuit' in the adsorption period can be avoided.
Wherein a support shelf may also be provided below the radial flow adsorbent bed; stud bolts are preferably used for connecting hoppers among all flanges in the adsorber to ensure easy disassembly after long-term operation.
The utility model discloses a radial flow adsorber can regenerate, during its adsorbent packing, upper cover and cyclic annular apron do not install or pull down, follow the upper shed between urceolus, inner tube and pack into the adsorbent on the isolation flange and press close to the urceolus seal segment of isolation flange and set up the through-hole and install at the through-hole the pipeline, the pipeline can be before the adsorbent packing or the installation of filling in-process, if through screw thread or ferrule erection joint, the adsorbent packing volume is decided according to design volume or allowances, and the cyclic annular apron of installation and upper cover can be commissioned or reserve after the adsorbent packing is accomplished, inspects the sealed condition of each flange when necessary. Before the adsorbent is discharged, the upper end enclosure and the annular cover plate are firstly detached, the adsorbent is excavated or sucked out from the upper opening between the outer cylinder and the inner cylinder, and the adsorbent can be treated by mechanical force when being difficult to excavate or suck out, or can be discharged after being washed and cut by water power; and arranging a through hole on the isolating flange and close to the outer cylinder sealing section of the isolating flange, and installing the pipeline at the through hole, wherein the pipeline can be removed in the adsorbent discharging process.
Drawings
Fig. 1 is a schematic vertical cross-sectional view of a regenerable radial flow adsorber of the present invention.
Legend: 1 adsorber body adsorption fluid entry or regeneration medium export, 2 adsorber body, 3 supporting brackets, 4 inner tube fluid distribution sections, 5 outer tube fluid distribution sections, 6 adsorbent bed, 7 adsorber body, upper cover, the flange connection between isolation flange, 8 outer tube seal sections and the flange connection of annular apron, 9 pipelines, 10 annular apron, 11 inner tube seal sections's reducing section, 12 upper cover adsorption fluid export or regeneration medium entry, 13 inner tube seal sections and the flange connection of annular apron, 14 isolation flange, 15 outer tube seal sections, 16 inner tube seal sections, 17 lower sealing plate.
Detailed Description
Example 1
A regenerable radial flow adsorber, as shown in FIG. 1, comprises a cylindrical adsorber body and an upper head, and a radial flow adsorbent bed disposed within the adsorber; the adsorber body is connected with the upper end enclosure through a flange; the bottom of the adsorber body is provided with an adsorption fluid inlet and a regeneration medium outlet; the upper end enclosure is provided with an absorption fluid outlet and a regeneration medium inlet; the radial flow adsorbent bed comprises an outer cylinder and an inner cylinder, wherein the central axes of the outer cylinder and the inner cylinder are overlapped, and the outer cylinder and the inner cylinder are both divided into a fluid distribution section through which fluid can pass and a sealing section which is positioned above the fluid distribution section and is not through the fluid; the lower parts of the outer cylinder and the inner cylinder are provided with integrated or separated lower sealing plates; flanges are respectively arranged at the top of the outer cylinder sealing section and the top of the inner cylinder sealing section, and the flanges are connected through an annular cover plate to realize the isolation between the upper part of the adsorbent bed and the upper end enclosure; the fluid distribution section, the sealing section, the lower sealing plate, the annular cover plate and the adsorbent filled in the gap enclosed by the fluid distribution section, the sealing section, the lower sealing plate and the annular cover plate form the radial flow adsorbent bed; the outer wall of the outer cylinder sealing section is provided with double-sided isolation flanges, the outer edges of the isolation flanges are arranged between the absorber body flange and the upper end socket flange, and the three flanges are connected to realize isolation between the absorber body and the upper end socket; the upper section of the inner cylinder sealing section is a reducing section, and a connecting bolt hole of a flange at the upper part of the reducing section is arranged in the centripetal direction in the reducing section; the upper end enclosure, the inner annular gap of the annular cover plate and the inner gap of the inner cylinder form an inner upper flow channel of the adsorbent bed; the inner gap formed by the absorber body, the outer cylinder and the lower sealing plate of the outer cylinder forms an inner lower flow channel of the adsorbent bed.
In the radial flow adsorber of this embodiment, all metal components are 304 stainless steel and the flange gasket is ptfe. The size of the adsorber body is phi 1628x3618mm, the size of the upper end enclosure is phi 1628x600mm, and the wall thickness (delta) is 14 mm; the sizes of the fluid distribution sections of the outer cylinder and the inner cylinder are phi 1480x3300mm and phi 315x3300mm respectively, 100-mesh screens with the thickness of 7mm are woven by tows of 100 and 120 stainless steel wires with the thickness of phi 0.08mm, and the sealing section phi 1465x500x4mm of the outer cylinder; the upper section phi 400x200mm of the sealing section of the inner cylinder, the lower section phi 300x150x4mm of the sealing section of the inner cylinder, and a reducer section with the height of 150mm is arranged between the upper section and the lower section of the sealing section of the inner cylinder; the size of the flange at the upper end of the outer cylinder is phi 1565x phi 1560x14mm, the size of the flange at the upper end of the inner cylinder is phi 420x phi 300x14mm, the size of the sealing plate at the lower end of the outer cylinder is phi 1465x6mm, and the size of the sealing plate at the lower end of the inner cylinder is phi 340x4 mm; annular flap size Φ 1565x Φ 300x14 mm; the sizes of the absorber body flange and the upper end enclosure flange are phi 1750x phi 1600x14mm, and the size of the isolation flange is phi 1750x phi 1470x14 mm; the support frame is a channel steel with the thickness of 50 x37x4.5mm; the 100-mesh screen with the thickness of 7mm of the fluid distribution sections of the outer cylinder and the inner cylinder is connected with the respective sealing section and the lower sealing plate by welding, and the sealing section of the outer cylinder is also connected with the upper end flange thereof, the sealing section of the outer cylinder is also connected with the isolation flange thereof, and the sealing section of the inner cylinder is also connected with the upper end flange thereof by welding. The outer cylinder sealing section which is flush with the upper surface of the isolation flange is provided with 4 phi 12mm horizontal through holes, and the inner sides of the through holes are welded with external threaded connectors which can be connected with DN20 pipes.
The adsorbent bed layer is filled with phi 1.0-1.2mm macroporous adsorption resin of about 4500L. During filling, the upper end enclosure and the annular cover plate are detached, an adsorbent is filled from an upper opening between the outer cylinder and the inner cylinder, the DN20 pipe with the internal thread is installed when the upper end enclosure and the annular cover plate are filled to the height of the isolation flange, the length of the pipe is 500mm, and the other end of the pipe is coated by a 60-mesh screen. After the adsorbent is filled, the annular cover plate and the upper end enclosure are installed for use or standby application, and the sealing condition of each flange is checked if necessary. Before the adsorbent is discharged, the upper end socket and the annular cover plate are detached, the adsorbent is excavated or sucked out from the upper opening between the outer cylinder and the inner cylinder, when the adsorbent is difficult to excavate or suck out, the adsorbent can be treated by mechanical force, or discharged after being washed and cut by water power, and the DN20 pipe with the internal thread is removed at the initial stage of the discharge of the adsorbent.
All the flanges are connected by the stud bolts, so that the easy disassembly and assembly after long-term operation can be ensured.
In the radial flow adsorber of the embodiment, during the adsorption operation, the fluid before treatment enters from the fluid inlet at the bottom of the adsorber body, flows into the adsorbent bed layer from the fluid distribution section of the outer cylinder through the gap between the side wall of the adsorber body and the outer cylinder, then flows into the gap of the inner cylinder through the fluid distribution section of the inner cylinder, and then flows upwards through the sealing section of the inner cylinder, the inner annular gap of the annular cover plate, the upper end enclosure and the adsorption fluid outlet to flow out of the adsorber. During adsorber regeneration operation, the flow of regeneration medium is reversed from that during adsorption operation.
The 100-mesh screen is woven by tows of 100-120 stainless steel wires with the diameter of 0.08mm and the thickness of 7mm, and has the advantages of high strength and long service life.
When steam is used as a thermal regeneration medium, 4 through holes arranged on the sealing section of the outer cylinder and above the isolation flange and the installed DN20 pipe can discharge condensed water of the upper end enclosure to the inner side of the adsorption bed layer, so that the corrosion of the condensed water to the sealing gasket between the flange of the upper end enclosure and the isolation flange is avoided, the condensed water can be leaked or not leaked after the sealing gasket is leaked, and the influence of water leakage traces and water stains on the appearance of the adsorber is avoided or alleviated. During the adsorption period, the phenomenon that the adsorption operation time of the whole adsorber is influenced by the semi-short circuit caused by the fact that a small amount of fluid which is not subjected to adsorption treatment and reaches the standard level flows into the upper end socket through the through hole.
Claims (10)
1. A reproducible radial flow adsorber is characterized by comprising a cylindrical adsorber body, an upper end enclosure and a radial flow adsorbent bed layer arranged in the adsorber;
the adsorber body is connected with the upper end enclosure through a flange; the bottom of the adsorber body is provided with an adsorption fluid inlet and a regeneration medium outlet; the upper end enclosure is provided with an absorption fluid outlet and a regeneration medium inlet;
the radial flow adsorbent bed comprises a fluid distributor outer cylinder and an inner cylinder, and the outer cylinder and the inner cylinder can pass through fluid; the lower parts of the outer cylinder and the inner cylinder are provided with integrated or split lower sealing plates, and the upper parts of the outer cylinder and the inner cylinder are respectively connected with an outer cylinder sealing area and an inner cylinder sealing area; flanges are respectively arranged at the top of the outer cylinder sealing area and the top of the inner cylinder sealing area, and the flanges are connected through an upper annular cover plate to realize the isolation between the upper part of the adsorbent bed and the upper end enclosure; the fluid distributor comprises an outer cylinder and an inner cylinder, lower sealing plates of the outer cylinder and the inner cylinder, an outer cylinder sealing area, an inner cylinder sealing area, an upper sealing ring and an adsorbent filled in a gap surrounded by the outer cylinder and the inner cylinder, so that the radial flow adsorbent bed is formed;
the outer wall of the outer cylinder sealing area is provided with an isolation flange, the outer edge of the isolation flange is arranged between the absorber body flange and the upper end socket flange, and the three flanges are connected to realize isolation between the absorber body and the upper end socket;
the upper section of the inner cylinder sealing area is a reducing section, the diameter of the upper end of the reducing section is larger than that of the lower end of the reducing section, and a connecting bolt hole of a sealing flange on the upper part of the reducing section is arranged in the centripetal direction in the reducing section;
the upper end enclosure, the inner annular gap of the annular cover plate, the reducing section of the sealing area of the inner cylinder and the inner gap formed by the inner cylinder form an inner upper flow channel of the adsorbent bed layer; the inner gap formed by the absorber body, the outer cylinder and the lower sealing plate of the outer cylinder forms an inner upper flow channel of the adsorbent bed.
2. The regenerable radial flow adsorber of claim 1 wherein the fluid distributor outer and inner cylinders are screens, and/or composite screens of multiple laminated screens, and/or screens of woven tows.
3. The regenerable radial flow adsorber of claim 1, wherein the adsorbent is silica gel, molecular sieve, activated carbon, adsorption resin, ion exchange resin.
4. The regenerable radial flow adsorber of claim 1, wherein the regeneration comprises a thermal regeneration, a solvent regeneration, or a chemical regeneration.
5. The regenerable radial flow adsorber of claim 4, wherein the thermal regeneration medium is wind or nitrogen.
6. The regenerable radial flow adsorber of claim 4, wherein the thermal regeneration medium is steam.
7. The regenerable radial flow adsorber of claim 6 wherein one or more through-holes are provided in the outer cartridge sealing region above and proximate to the isolation flange.
8. The regenerable radial flow adsorber of claim 7 wherein the through-hole mounts a conduit with the other end of the conduit facing the inner cartridge or the inner cartridge sealing region.
9. The regenerable radial flow adsorber of claim 1, wherein a support shelf is disposed below the radial flow adsorbent bed.
10. The regenerable radial flow adsorber of claim 1, wherein the flange-to-flange connection is a stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920599721.7U CN210021628U (en) | 2019-04-29 | 2019-04-29 | Reproducible radial flow adsorber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920599721.7U CN210021628U (en) | 2019-04-29 | 2019-04-29 | Reproducible radial flow adsorber |
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| Publication Number | Publication Date |
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| CN210021628U true CN210021628U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920599721.7U Expired - Fee Related CN210021628U (en) | 2019-04-29 | 2019-04-29 | Reproducible radial flow adsorber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116236991A (en) * | 2023-03-17 | 2023-06-09 | 山东海科新源材料科技股份有限公司 | Continuous battery-level fluorobenzene preparation device and preparation method |
-
2019
- 2019-04-29 CN CN201920599721.7U patent/CN210021628U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116236991A (en) * | 2023-03-17 | 2023-06-09 | 山东海科新源材料科技股份有限公司 | Continuous battery-level fluorobenzene preparation device and preparation method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 Termination date: 20210429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |