CN117839399B - Gas drying device - Google Patents
Gas drying device Download PDFInfo
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- CN117839399B CN117839399B CN202410247196.8A CN202410247196A CN117839399B CN 117839399 B CN117839399 B CN 117839399B CN 202410247196 A CN202410247196 A CN 202410247196A CN 117839399 B CN117839399 B CN 117839399B
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- molecular sieve
- gas
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- 238000001035 drying Methods 0.000 title claims abstract description 88
- 239000002808 molecular sieve Substances 0.000 claims abstract description 73
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 73
- 230000008929 regeneration Effects 0.000 claims abstract description 30
- 238000011069 regeneration method Methods 0.000 claims abstract description 30
- 230000000694 effects Effects 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 20
- 239000012528 membrane Substances 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 11
- 229910002027 silica gel Inorganic materials 0.000 claims description 11
- 229920000557 Nafion® Polymers 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000014759 maintenance of location Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 47
- 239000002274 desiccant Substances 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- UQSQSQZYBQSBJZ-UHFFFAOYSA-N fluorosulfonic acid Chemical compound OS(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000012771 pancakes Nutrition 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/268—Drying gases or vapours by diffusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of gas drying, and discloses a gas drying device which comprises a drying component, a return component and a buffer motor which are arranged on an assembly frame, wherein a regeneration component is arranged between the drying component and the bottom of the return component; injecting gas into the first barrel of the drying assembly, the gas enters a spiral channel arranged in the first barrel, the spiral channel is used for guiding the molecular sieve regenerated by the regeneration assembly, the molecular sieve is fully contacted with the gas, meanwhile, a buffer motor drives a rotary drum to rotate in the opposite downward rotation direction of the spiral channel, the molecular sieve is subjected to gravity in the downward rolling process of the spiral channel, and due to the rotation of the rotary drum, a friction force is generated between the inner wall of the spiral channel and the molecular sieve and is used for counteracting the gravity to which the molecular sieve is subjected, so that the retention time of the molecular sieve in the rotary drum is reduced, the contact time with the gas is prolonged, and the drying effect of the gas is improved.
Description
Technical Field
The invention relates to the technical field of gas drying, in particular to a gas drying device.
Background
In the petrochemical industry, the obtained gas product or intermediate product often contains trace moisture which does not reach the standard, and a drying tower is required to remove trace moisture in the gas. The pressure of some gases is not high, the pressure drop allowed when the gases pass through the drying tower is low, so that the existing drying tower is often required to be made into a short and fat pancake shape, the occupied area of equipment is large, and the equipment cost is high.
The existing drying equipment with small occupied area has the defects that the time of the gas staying in the drying agent layer is short due to the limited internal space, and the drying agent or accumulation or dispersion of the drying agent layer can influence the drying effect of the gas, and meanwhile, the drying agent needs to be replaced frequently, so that the drying equipment is inconvenient.
Disclosure of Invention
The invention aims to provide a gas drying device, which aims to solve the problems that the existing small-sized air drying equipment is poor in drying effect and a drying agent needs to be replaced frequently.
The invention is realized in such a way that the gas drying device comprises a drying component, a material returning component and a buffer motor which are arranged on an assembly frame, wherein a regeneration component is arranged between the drying component and the bottom of the material returning component, and a cooling component is also arranged in the drying component;
The drying assembly comprises a first cylinder, wherein a rotary cylinder is connected to an inner bearing of the first cylinder, a spiral channel is formed in the rotary cylinder and used for guiding and conveying the molecular sieve, and the material buffering motor is used for driving the rotary cylinder to rotate along the reverse direction of the downward rotation of the spiral channel;
The regeneration assembly comprises a box body, wherein a heat pipe is paved on the inner wall of the box body and is used for thermal regeneration of the molecular sieve, and water adsorbed by the molecular sieve is separated out;
The feed back subassembly includes the second barrel, the inside bearing of second barrel is connected with the bull stick, and the top of second barrel is installed and is used for the drive the rotatory spiral propelling movement blade of bull stick rises the material motor, spiral propelling movement blade is used for pushing through the molecular sieve after the regeneration of regeneration component heat, and it is again to dry subassembly inner loop to deliver.
Preferably, a hopper is mounted at the bottom of the first cylinder, the narrow opening end of the hopper extends to the inner side of the top of the box body, and an air inlet is formed in one side of the narrow opening end of the hopper.
Preferably, the upper end of the spiral channel of the rotary drum is connected with a first conduit, the first conduit penetrates and extends to the top of the rotary drum, the lower end of the spiral channel of the rotary drum is connected with a second conduit, and the second conduit penetrates and extends to the inside of the hopper.
Preferably, protruding portions are uniformly distributed on the inner wall of the first cylinder, the rotating cylinder is located on the surface of the protruding portions, hard silica gel blocks are uniformly arranged on the surface of the protruding portions, and the hard silica gel blocks and the protruding portions are staggered.
Preferably, the externally mounted of second barrel has the end plate of lid setting up in the rotary drum top, the top of end plate is provided with runs through and extends to the discharge valve of rotary drum top, the exhaust end of discharge valve is connected with the secondary drying cylinder, be provided with the Nafion membrane in the secondary drying cylinder.
Preferably, a feed back pipe is installed at one side of the top of the second cylinder, the feed back pipe is obliquely arranged, and the tail end of the feed back pipe penetrates through and extends to the inner side of the top of the feed back assembly;
The outside of the second cylinder body is wrapped with a heat preservation cylinder.
Preferably, a through groove is formed in one side of the second cylinder body, which is positioned in the box body, a guide plate is arranged on the inner side of the bottom of the box body, and the guide plate is obliquely downwards arranged along the direction of the through groove from the drying component;
Inclined plates are further arranged on the inner walls of the two sides of the box body, and the tail ends of the inclined plates extend to the two sides of the through groove of the second cylinder body;
The upper part of the box body is provided with a steam valve, and the surface of the box body is also hinged with a maintenance door.
Preferably, the second cylinder penetrates through one end of the bottom of the box body to be provided with a liquid collecting tank, and a liquid discharging switch is arranged below the liquid collecting tank.
Preferably, the cooling component comprises a support disc arranged at the inner side of the bottom of the rotary drum, a middle through pipe penetrating through and extending to the outer side of the top of the drying component is arranged at the top of the support disc through a bearing, and two third guide pipes are embedded in the middle through pipe;
The middle through pipe is located the top of a dish and has cup jointed the rotating turret, evenly distributed is connected with a plurality of support frames on the rotating turret, and through the support frame joint has the heat pipe of coiling the distribution along middle through pipe axial, the both ends of heat pipe respectively with the end connection of third pipe, and the outside of heat pipe has cup jointed the heat conduction piece, the surface of heat conduction piece with the inner wall of rotary drum is contradicted.
The invention discloses a gas drying device, which has the beneficial effects that:
1. Injecting gas into the first barrel of the drying assembly, the gas enters a spiral channel arranged in the first barrel, the spiral channel is used for guiding the molecular sieve regenerated by the regeneration assembly, the molecular sieve is fully contacted with the gas, meanwhile, a buffer motor drives a rotary drum to rotate in the opposite downward rotation direction of the spiral channel, the molecular sieve is subjected to gravity in the downward rolling process of the spiral channel, and due to the rotation of the rotary drum, a friction force is generated between the inner wall of the spiral channel and the molecular sieve and is used for counteracting the gravity to which the molecular sieve is subjected, so that the retention time of the molecular sieve in the rotary drum is reduced, the contact time with the gas is prolonged, and the drying effect of the gas is improved.
2. The device comprises a regeneration component, wherein a heat pipe is paved on the inner wall of a box body of the regeneration component and used for thermal regeneration of the molecular sieve, water adsorbed by the molecular sieve is separated out in a heating evaporation mode, the molecular sieve can be reused, and the thermal regenerated molecular sieve is redirected into a drying component along with a return component and is used for continuously drying gas.
3. In the rotatory in-process of rotary drum, owing to the continuous collision of bulge and stereoplasm silica gel piece, can produce the effect of a vibration to the side direction of rotary drum, this vibration can shake the molecular sieve in the screw channel, also can offset the molecular sieve simultaneously and receive the centripetal force that rotary drum rotation produced, let the molecular sieve in the screw channel distribute more evenly, further improve the contact effect with gas, let the molecular sieve can fully adsorb the moisture in the gas, improve drying effect.
4. The second-stage drying cylinder is arranged, the Nafion membrane is arranged in the second-stage drying cylinder, and the Naifon membrane mainly has a function of a semi-permeable membrane which is selective to moisture, so that the gas dried by the drying component can be further dried by the Nafion membrane, and the gas drying effect is improved.
Drawings
FIG. 1 is a schematic diagram of a gas drying apparatus according to an embodiment of the present invention;
fig. 2 is a schematic bottom view of a gas drying device according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a gas dryer according to an embodiment of the present invention;
fig. 4 is a schematic view of a partial enlarged structure of a portion a in fig. 3 of a gas drying device according to an embodiment of the present invention;
Fig. 5 is a schematic structural diagram of a cooling component of a gas drying device according to an embodiment of the present invention.
Description of the drawings
1. An assembly frame; 2. a drying assembly; 3. a feed back component; 4. a regeneration assembly; 5. a secondary drying cylinder; 6. a material-buffering motor; 7. a cooling component; 8. a liquid collecting tank;
21. a first cylinder; 22. a hopper; 23. a rotating drum; 24. an end plate;
211. A hard silica gel block;
231. A first conduit; 232. a second conduit; 233. a spiral channel; 234. a protruding portion;
221. An air inlet; 241. an exhaust valve;
31. A second cylinder; 32. a heat preservation cylinder; 33. a feed back pipe; 34. a lifting motor; 35. a rotating rod; 36. spiral pushing blades;
41. a case; 42. a steam valve; 43. a heat pipe; 44. a maintenance door; 45. a guide plate; 46. a sloping plate;
71. A support plate; 72. a rotating frame; 73. a support frame; 74. a middle through pipe; 75. a third conduit; 76. a temperature guide tube; 77. a temperature guiding sheet;
81. A liquid discharge switch.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
The implementation of the present invention will be described in detail below with reference to specific embodiments.
In this embodiment:
Referring to fig. 1-4, a preferred embodiment of the present invention is provided.
The gas drying device comprises a drying component 2, a feed back component 3 and a buffer motor 6 which are arranged on an assembly frame 1, wherein a regeneration component 4 is arranged between the bottoms of the drying component 2 and the feed back component 3, a cooling component 7 is further arranged in the drying component 2, and the cooling component 7 is used for cooling a molecular sieve in the drying component 2 and preventing residual heat of thermal regeneration of the molecular sieve or high-temperature gas from affecting the performance of the molecular sieve;
The drying assembly 2 comprises a first cylinder 21, a rotary drum 23 is connected to an inner bearing of the first cylinder 21, a spiral channel 233 is formed in the rotary drum 23, the spiral channel 233 is used for guiding and conveying molecular sieves, the buffer motor 6 is used for driving the rotary drum 23 to rotate along the direction opposite to the downward rotation direction of the spiral channel 233, and in the process that the molecular sieves roll down in the spiral channel 233 due to gravity, friction force is generated between the inner wall of the spiral channel 233 and the molecular sieves due to the rotation direction of the rotary drum 23 and is used for counteracting the gravity of the molecular sieves, so that the retention time of the molecular sieves in the rotary drum 23 is reduced, the contact time with gas is prolonged, and the drying effect of the gas is improved;
The regeneration assembly 4 comprises a box body 41, a heat pipe 43 is laid on the inner wall of the box body 41, the heat pipe 43 is used for thermal regeneration of the molecular sieve, and water adsorbed by the molecular sieve is separated out in a heating evaporation mode, so that the molecular sieve can be reused;
As shown in fig. 3, the feed back assembly 3 includes a second cylinder 31, a rotating rod 35 is connected to an inner bearing of the second cylinder 31, a lifting motor 34 for driving a spiral pushing blade 36 for rotating the rotating rod 35 is installed at the top of the second cylinder 31, the spiral pushing blade 36 is used for pushing the molecular sieve thermally regenerated by the regeneration assembly 4 and re-delivering the molecular sieve to the drying assembly 2 for internal circulation, and the edge of the spiral pushing blade 36 abuts against the inner wall of the second cylinder 31, so that on one hand, the second cylinder 31 can be sealed to prevent gas from entering the top of the drying assembly 2 through the regeneration assembly 4 and the feed back assembly 3, and meanwhile, the thermally regenerated molecular sieve can be pushed upwards, so that the molecular sieve can continuously enter the drying assembly 2 for drying the injected gas;
A feed back pipe 33 is installed at one side of the top of the second cylinder 31, the feed back pipe 33 is inclined, and the end of the feed back pipe 33 penetrates through and extends to the inner side of the top of the feed back assembly 3, so that the molecular sieve sent to the top by the spiral pushing blade 36 can be thrown into the top of the drying assembly 2 again through the feed back pipe 33;
Meanwhile, the heat preservation cylinder 32 is wrapped outside the second cylinder 31, heat in the regeneration assembly 4 is fully utilized to thermally regenerate the molecular sieve, and the heat preservation of the second cylinder 31 can enable the molecular sieve to keep heat and continuously separate out water.
In fig. 4, a through groove is formed in one side of the second cylinder 31 inside the box 41, a guide plate 45 is provided on the inner side of the bottom of the box 41, the guide plate 45 is obliquely downward arranged along the direction of the through groove from the drying component 2, so that the molecular sieve falling into the box 41 can roll towards one side of the feed back pipe 33 conveniently, inclined plates 46 are further installed on the inner walls of the two sides of the box 41, the tail ends of the inclined plates 46 extend to the two sides of the through groove of the second cylinder 31, and the inclined plates 46 can guide the molecular sieve to enter the feed back pipe 33 through the through groove;
The upper side of box 41 is provided with steam valve 42, and steam valve 42 is arranged in the steam that produces in the thermal regeneration process of discharge molecular sieve, and the box 41 surface still articulates has maintenance door 44, conveniently changes the molecular sieve that appears damaging after long-time use.
Further, a hopper 22 is installed at the bottom of the first cylinder 21, an electric control valve is provided at the bottom of the hopper 22 for opening and closing a communication channel between the drying assembly 2 and the regeneration assembly 4, a narrow opening end of the hopper 22 extends to the inner side of the top of the box 41, an air inlet 221 is provided at one side of the narrow opening end of the hopper 22, a first conduit 231 is connected to the upper end of a spiral channel 233 of the drum 23, the first conduit 231 penetrates and extends to the top of the drum 23, a second conduit 232 is connected to the lower end of the spiral channel 233 of the drum 23, the second conduit 232 penetrates and extends to the inside of the hopper 22, air to be dried is injected through the air inlet 221, and then enters the drum 23 through the second conduit 232 for drying, and the dried air enters the lower portion of the end plate 24 through the first conduit 231 and is discharged through the air outlet valve 241.
It should be noted that, as shown in fig. 4, the inner wall of the first cylinder 21 is uniformly provided with the protruding portions 234, the drum 23 is located on the surface of the protruding portions 234 and is uniformly provided with the hard silica gel blocks 211, and the hard silica gel blocks 211 and the protruding portions 234 are staggered, so that, in the rotating process of the drum 23, due to the continuous collision between the protruding portions 234 and the hard silica gel blocks 211, a vibration effect can be generated on the lateral direction of the drum 23, the vibration can vibrate the molecular sieve in the spiral channel 233, and meanwhile, the centripetal force generated by the rotation of the drum 23 can be counteracted, so that the distribution of the molecular sieve in the spiral channel 233 is more uniform, the contact effect with gas is further improved, the molecular sieve can fully adsorb moisture in the gas, and the drying effect is improved.
Meanwhile, an end plate 24 which is arranged above the rotary drum 23 is arranged on the outer part of the second cylinder 31 in a covering manner, an exhaust valve 241 which penetrates through and extends to the upper part of the rotary drum 23 is arranged on the top of the end plate 24, the exhaust end of the exhaust valve 241 is connected with a secondary drying cylinder 5, a Nafion membrane (perfluorosulfonic acid membrane) is arranged in the secondary drying cylinder 5, and the Naifon membrane mainly has a semi-permeable membrane which is selective to moisture, so that the gas dried by the drying component 2 can be further dried by the Nafion membrane.
As shown in fig. 2, the second cylinder 31 penetrates through one end of the bottom of the box 41, a liquid collecting tank 8 is installed at one end of the bottom of the box 41, a liquid discharging switch 81 is arranged below the liquid collecting tank 8, the liquid collecting tank 8 is used for collecting liquid condensed by evaporated steam in the process of thermally regenerating the molecular sieve by the regeneration assembly 4, the liquid can flow into the liquid collecting tank 8 at the bottom of the second cylinder 31 through a guide plate 45, the water level can be observed through a glass window on the surface of the liquid collecting tank, when the internal liquid needs to be emptied, the liquid is discharged only through the liquid discharging switch 81, and the liquid discharging switch 81 is a water valve.
Referring to fig. 5, the cooling module 7 includes a support plate 71 disposed at the inner side of the bottom of the drum 23, a middle through pipe 74 penetrating and extending to the outer side of the top of the drying module 2 is mounted at the top of the support plate 71 through a bearing, and two third conduits 75 are embedded in the middle through pipe 74 to prevent the third conduits 75 from twisting with the rotation of the drum 23;
The middle through pipe 74 is located the top of a support 71 and has cup jointed the rotating frame 72, evenly distributed is connected with a plurality of support frames 73 on the rotating frame 72, and pass through support frames 73 joint has the heat pipe 76 of coiling distribution along middle through pipe 74 axial, the both ends of heat pipe 76 are connected with the tip of third pipe 75 respectively, and the outside of heat pipe 76 has cup jointed the heat conducting piece 77, the surface of heat conducting piece 77 with the inner wall of rotary drum 23 is contradicted, utilizes one of them third pipe 75 to pour into the cold medium into in the heat pipe 76, and the cold medium passes through the heat conducting piece 77 and will be low temperature conduction to in the spiral passageway 233 of rotary drum 23, for gas and molecular sieve cooling, prevent that the temperature of molecular sieve from too high influence its drying property, and the cold medium after the heat transfer is discharged through another third pipe 75.
The first cylinder 21 of the drying assembly 2 is injected with gas, the gas enters a spiral channel 233 arranged in the first cylinder 21, the spiral channel 233 is used for guiding the molecular sieve thermally regenerated by the regeneration assembly 4 to fully contact the molecular sieve with the gas, meanwhile, the buffer motor 6 drives the rotary drum 23 to rotate along the direction opposite to the downward rotation direction of the spiral channel 233, the molecular sieve is subjected to gravity in the process of falling down in the spiral channel 233, and due to the rotation direction of the rotary drum 23, a friction force is generated between the inner wall of the spiral channel 233 and the molecular sieve and is used for counteracting the gravity to which the molecular sieve is subjected, so that the residence time of the molecular sieve in the rotary drum 23 is reduced, the contact time with the gas is prolonged, and the drying effect of the gas is improved.
The regeneration assembly 4 is arranged, the heat pipe 43 is laid on the inner wall of the box 41 of the regeneration assembly 4, the heat pipe 43 is used for thermal regeneration of the molecular sieve, water adsorbed by the molecular sieve is separated out in a heating evaporation mode, the molecular sieve can be reused, and the thermally regenerated molecular sieve is redirected into the drying assembly 2 along with the feed back assembly 3 for continuous drying operation of gas.
In the rotating process of the rotary drum 23, due to the continuous collision between the protruding portion 234 and the hard silica gel block 211, a vibration effect can be generated on the lateral direction of the rotary drum 23, the vibration can vibrate the molecular sieve in the spiral channel 233, and meanwhile, the centripetal force generated by the rotation of the rotary drum 23 can be counteracted, so that the molecular sieve is distributed more uniformly in the spiral channel 233, the contact effect with gas is further improved, the molecular sieve can fully adsorb moisture in the gas, and the drying effect is improved.
The second-stage drying cylinder 5 is arranged, and a Nafion membrane is arranged in the drying cylinder, so that the function of the Naifon membrane is mainly a semi-permeable membrane which is selective to moisture, and the gas dried by the drying component 2 can be further dried by the Nafion membrane, and the gas drying effect is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The gas drying device is characterized by comprising a drying component, a return component and a buffer motor which are arranged on an assembly frame, wherein a regeneration component is arranged between the drying component and the bottom of the return component, and a cooling component is also arranged in the drying component;
The drying assembly comprises a first cylinder, wherein a rotary cylinder is connected to an inner bearing of the first cylinder, a spiral channel is formed in the rotary cylinder and used for guiding and conveying the molecular sieve, and the material buffering motor is used for driving the rotary cylinder to rotate along the reverse direction of the downward rotation of the spiral channel;
The regeneration assembly comprises a box body, wherein a heat pipe is paved on the inner wall of the box body and is used for thermal regeneration of the molecular sieve, and water adsorbed by the molecular sieve is separated out;
The material returning assembly comprises a second cylinder, a rotating rod is connected to an inner bearing of the second cylinder, a material lifting motor for driving a spiral pushing blade for rotating the rotating rod is arranged at the top of the second cylinder, and the spiral pushing blade is used for pushing the molecular sieve thermally regenerated by the regeneration assembly and re-delivering the molecular sieve to the drying assembly for internal circulation;
the inner wall of the first cylinder body is uniformly provided with protruding parts, the surface of the rotary drum, which is positioned on the protruding parts, is uniformly provided with hard silica gel blocks, and the hard silica gel blocks and the protruding parts are staggered;
In the rotary drum in-process of rotation, because the bulge is collided with the continuation of stereoplasm silica gel piece, can produce the effect of a vibration to the side direction of rotary drum, this vibration can shake the molecular sieve in the screw channel, also can offset the molecular sieve simultaneously and receive the centripetal force that the rotary drum rotation produced, lets the molecular sieve more even in the distribution of screw channel.
2. A gas drying apparatus according to claim 1, wherein a hopper is mounted to the bottom of the first cylinder, the narrow mouth end of the hopper extends to the inside of the top of the tank, and a gas inlet is provided on the side of the narrow mouth end of the hopper.
3. A gas dryer apparatus as claimed in claim 2, wherein the upper end of the helical channel of the drum is connected with a first conduit which extends through to the top of the drum and the lower end of the helical channel of the drum is connected with a second conduit which extends through to the interior of the hopper.
4. A gas drying apparatus according to claim 1, wherein an end plate is mounted on the outside of the second cylinder and is covered on the upper side of the drum, a gas discharge valve penetrating through and extending to the upper side of the drum is arranged on the top of the end plate, the gas discharge end of the gas discharge valve is connected with a secondary drying cylinder, and a Nafion membrane is arranged in the secondary drying cylinder.
5. A gas drying apparatus according to claim 1, wherein a feed back pipe is installed at one side of the top of the second cylinder, the feed back pipe is inclined, and the end of the feed back pipe penetrates and extends to the inner side of the top of the feed back assembly;
The outside of the second cylinder body is wrapped with a heat preservation cylinder.
6. The gas drying device according to claim 1, wherein a through groove is formed in one side of the second cylinder body, which is positioned in the box body, a guide plate is arranged on the inner side of the bottom of the box body, and the guide plate is obliquely downwards arranged from the drying component along the direction of the through groove;
Inclined plates are further arranged on the inner walls of the two sides of the box body, and the tail ends of the inclined plates extend to the two sides of the through groove of the second cylinder body;
The upper part of the box body is provided with a steam valve, and the surface of the box body is also hinged with a maintenance door.
7. The gas drying device according to claim 1, wherein a liquid collecting tank is installed at one end of the second cylinder penetrating through the bottom of the tank body, and a liquid discharging switch is arranged below the liquid collecting tank.
8. The gas drying device according to claim 1, wherein the cooling component comprises a support disc arranged on the inner side of the bottom of the rotary drum, a middle through pipe penetrating through and extending to the outer side of the top of the drying component is arranged on the top of the support disc through a bearing, and two third guide pipes are embedded in the middle through pipe;
The middle through pipe is located the top of a dish and has cup jointed the rotating turret, evenly distributed is connected with a plurality of support frames on the rotating turret, and through the support frame joint has the heat pipe of coiling the distribution along middle through pipe axial, the both ends of heat pipe respectively with the end connection of third pipe, and the outside of heat pipe has cup jointed the heat conduction piece, the surface of heat conduction piece with the inner wall of rotary drum is contradicted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410247196.8A CN117839399B (en) | 2024-03-05 | 2024-03-05 | Gas drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| FR2130897A5 (en) * | 1971-03-25 | 1972-11-10 | Air Liquide | Adsorption purification of gases - suitable for respirable air with flow reversible to aid cooling |
| US6226888B1 (en) * | 1998-12-14 | 2001-05-08 | Atlas Copco Airpower, Naamloze Vennootschap | Method and device for drying a gas |
| CN203577592U (en) * | 2013-11-27 | 2014-05-07 | 福建博纯材料有限公司 | Regenerative dryer |
| CN205033413U (en) * | 2015-09-18 | 2016-02-17 | 苏州尚恩特科塑料科技有限公司 | Many barrels of molecular sieve runners of multiunit are intermittent cycle formula dehumidification dryer in turn |
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| CN112316663A (en) * | 2020-10-26 | 2021-02-05 | 峨眉山长庆新材料有限公司 | Adsorption tower for micro-thermal regeneration suction dryer |
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| CN216259118U (en) * | 2021-11-24 | 2022-04-12 | 宜宾凯利达新材料有限公司 | Drying device for molecular sieve production |
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| CN117839399A (en) | 2024-04-09 |
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