CN116440652B - Carbon dioxide entrapment pressure swing adsorption tower - Google Patents
Carbon dioxide entrapment pressure swing adsorption tower Download PDFInfo
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- CN116440652B CN116440652B CN202310132127.8A CN202310132127A CN116440652B CN 116440652 B CN116440652 B CN 116440652B CN 202310132127 A CN202310132127 A CN 202310132127A CN 116440652 B CN116440652 B CN 116440652B
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- swing adsorption
- pressure swing
- adsorption tower
- trapping
- pressure
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 219
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 59
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 239000007789 gas Substances 0.000 claims abstract description 71
- 239000003463 adsorbent Substances 0.000 claims abstract description 53
- 238000012544 monitoring process Methods 0.000 claims abstract description 41
- 229920000742 Cotton Polymers 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 239000007788 liquid Substances 0.000 claims description 20
- 241000219146 Gossypium Species 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 15
- 238000005260 corrosion Methods 0.000 claims description 14
- 230000009286 beneficial effect Effects 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000012466 permeate Substances 0.000 claims description 3
- 238000005536 corrosion prevention Methods 0.000 abstract description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- 230000000694 effects Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 9
- 238000000926 separation method Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
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- 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)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention discloses a carbon dioxide trapping pressure swing adsorption tower, which comprises a pressure swing adsorption tower, wherein three trapping adsorption mechanisms are arranged on the inner side of the pressure swing adsorption tower, three corrosion prevention mechanisms are arranged on the inner side of the pressure swing adsorption tower, two monitoring mechanisms are arranged in the center of the inner side of the pressure swing adsorption tower, a plurality of trapping rods are uniformly distributed on the inner side of each trapping adsorption mechanism, one end of each trapping rod extends to the center of the inner side of the pressure swing adsorption tower, and a plurality of adsorbent cotton are uniformly distributed on the outer wall of each trapping rod. According to the invention, the trapping adsorption mechanism is arranged, the air inlet valve is opened through the air inlet to input the air into the pressure swing adsorption tower, and when the air vertically passes through the pressure swing adsorption tower, the trapping operation can be carried out by matching the uniformly distributed trapping rods with the adsorbent cotton air, so that the trapping amount is improved, and on the other hand, the effective trapping work of different gases is facilitated, and the trapping efficiency is improved.
Description
Technical Field
The invention relates to the technical field of adsorption towers, in particular to a carbon dioxide capturing pressure swing adsorption tower.
Background
Pressure Swing Adsorption (PSA) is a novel gas adsorption separation technology, and has the following advantages: the purity of the product is high; the method can generally work at room temperature and low pressure, the bed layer is not heated during regeneration, and the product purity is high; the equipment is simple, and the operation and maintenance are simple and convenient; continuous cyclic operation can fully achieve automation. Therefore, after the new technology is developed, the technology is focused by the industry of various countries, the development and research of competitive phase are rapid, and the development is mature, so that the pressure swing adsorption technology is a very effective separation and purification method for realizing the effective separation of landfill gas and obtaining high-purity methane, nitrogen and carbon dioxide. The pressure swing adsorption technology utilizes the adsorption capacity of different adsorbents to gas, and adopts 5 steps of adsorption, uniform pressure drop, reverse discharge, vacuumizing and uniform pressure rise to separate and purify the gas.
In the prior art, for example, the Chinese patent number is: the pressure swing adsorption tower of CN105727688A comprises a tower body, wherein a base is arranged at the bottom of the tower body, an air outlet pipe is connected to the upper end of the tower body, and an air inlet pipe is connected to the lower end of the tower body; an adsorption separation plate is arranged in the middle of the tower body to separate the tower body into a nitrogen adsorption cavity positioned at the upper part and a carbon dioxide adsorption cavity positioned at the lower part; the center position of the adsorption separation plate of the nitrogen adsorption cavity is connected with a first annular distribution pipe, an upper port of the first annular distribution pipe is closed, a 13X molecular sieve is filled between the first annular distribution pipe and the tower body, a second annular distribution pipe is arranged at the center position of the carbon dioxide adsorption cavity, and activated carbon is filled between the second annular distribution pipe and the tower body. The pressure swing adsorption tower realizes the separation and recovery of methane, nitrogen and carbon dioxide, and the adsorbent has higher adsorption capacity, low process requirement, reduced production cost and improved process continuity.
In the prior art, although the existing pressure swing adsorption tower realizes the function of carrying out adsorption separation treatment on carbon dioxide and various gases, in the process of long-term pressure swing adsorption, nitrogen dioxide in the adsorbed gas easily corrodes the inside of the adsorption tower, so that the inner wall of the pressure swing adsorption tower is influenced to be corroded and damaged, the service life of the pressure swing adsorption tower is reduced, and the carbon dioxide capturing pressure swing adsorption tower is provided for the problems.
Disclosure of Invention
The invention aims to provide a carbon dioxide capturing pressure swing adsorption tower, which aims to solve the problems that in the prior art, the pressure swing adsorption tower realizes the function of carrying out adsorption separation treatment on carbon dioxide and various gases, but in the process of long-term pressure swing adsorption, nitrogen dioxide in adsorbed gas is easy to corrode the inside of the adsorption tower, so that the inner wall of the pressure swing adsorption tower is corroded and damaged, and the service life of the pressure swing adsorption tower is reduced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the carbon dioxide trapping pressure swing adsorption tower comprises a pressure swing adsorption tower, wherein three trapping adsorption mechanisms are arranged on the inner side of the pressure swing adsorption tower, three corrosion prevention mechanisms are arranged on the inner side of the pressure swing adsorption tower, two monitoring mechanisms are arranged at the center of the inner side of the pressure swing adsorption tower, a plurality of trapping rods are uniformly distributed on the inner side of the trapping adsorption mechanism, one ends of the trapping rods extend to the center of the inner side of the pressure swing adsorption tower, a plurality of adsorbent cottons are uniformly distributed on the outer wall of the trapping rods, three groups of trapping adsorption mechanisms are arranged on the inner side of the pressure swing adsorption tower, a plurality of trapping rods are uniformly distributed on the inner side of the trapping adsorption mechanisms, adsorbent cottons are arranged on the outer wall of the trapping rods, the outer side of the trapping adsorption mechanisms penetrate through the outer side of the pressure swing adsorption tower through adsorbent pipes and are communicated with a supply tank, the top of the replenishing box is provided with a delivery pump which is communicated with the elbow pipe, thereby being convenient for inputting the gas into the pressure swing adsorption tower through the air inlet opening air inlet valve when the gas is trapped, when the gas vertically passes through the pressure swing adsorption tower, the gas is trapped by matching a plurality of uniformly distributed trapping rods with the adsorbent cotton gas, the delivery pump pressurizes the inner side of the replenishing box, the carbon dioxide trapping adsorbent is delivered to the trapping rods and is delivered to the adsorbent cotton through the surface of the trapping rods to exude the carbon dioxide gas in the pressure swing adsorption tower through the through holes, in addition, when the gas passes through the inside, the three groups of trapping adsorption mechanisms are arranged, different adsorbents are delivered to the positions of the trapping adsorption mechanisms through the replenishing box, so as to effectively trap and adsorb different elements in the gas, the device is beneficial to improving the trapping uniformity by uniformly distributing the device on a plurality of trapping rods, so as to improve the trapping amount, and is beneficial to effectively trapping different gases and improving the trapping efficiency;
the outer wall of the corrosion prevention mechanism is uniformly distributed with a plurality of high-pressure spray heads, one side of the high-pressure spray heads is fixedly connected with a connecting pipe, the connecting pipe penetrates through the side face of the pressure swing adsorption tower, one end of the connecting pipe is fixedly connected with a straight pipe, the bottom of the straight pipe is provided with a pressure water tank, the corrosion prevention mechanism is provided with three groups and distributed at the upper, middle and lower positions in the pressure swing adsorption tower, the outer wall of the corrosion prevention mechanism is uniformly distributed with a plurality of high-pressure spray heads, the upper straight pipe is connected with the pressure water tank through the connecting pipe and is connected with the pressure water tank through the straight pipe, the top of the pressure water tank is provided with a booster pump, after the carbon dioxide trapping work is finished, the pressure water tank can be pressurized by the booster pump, then the straight pipe is communicated into the inner side of the pressure water tank and extends to the bottom of the pressure water tank to convey sodium hydroxide in the pressure water tank to the position of the corrosion prevention mechanism by using the pipeline, and then the sodium hydroxide is uniformly sprayed on the inner wall of the pressure swing adsorption tower at high pressure by the high-pressure spray head, so that the carbon dioxide cleaning treatment without dead angles in all directions is realized on the inner wall of the pressure swing adsorption tower, and the problem that the corrosion in the pressure swing adsorption tower caused by carbon dioxide collection is reduced so as to influence the normal use of the pressure swing adsorption tower in the later period is solved;
the side fixed mounting of pressure swing adsorption tower has intelligent control ware, monitoring facilities's bottom movable mounting has camera lens, monitoring facilities's top is connected with the riser, the one end screw thread through-connection of riser has the screw thread lifter, elevator motor is installed at screw thread lifter's top, elevator motor's bottom fixed mounting is at pressure swing adsorption tower's top, screw thread lifter's top runs through in pressure swing adsorption tower's top, through setting up monitoring facilities in pressure swing adsorption tower's inboard to install camera lens in monitoring facilities's bottom, and pressure swing adsorption tower's outside is provided with intelligent control ware and can operate monitoring facilities, and the top of monitoring facilities is connected with the riser through turning to the subassembly, and the one end of riser is connected with elevator motor through threaded connection and top, and the other end then is through the movable through-connection of elevator guide rod, thereby has made things convenient for after carrying out gaseous work such as carbon dioxide and cleaning treatment work completion, and accessible intelligent control ware control elevator motor drive makes screw thread lifter rotate and drives elevator and monitoring facilities and diversified camera lens and lift, and can turn to the inside can carry out the sensor lens to the side-to the monitoring facilities to the side-to the side of pressure swing adsorption tower to install camera lens, and can carry out the remote control to the sensor lens and turn to the sensor lens and can carry out the remote control to the sensor lens and take place in the sensor is difficult to the sensor is detected to the inside has been detected, can be difficult to the remote sensor has been detected, and has been avoided.
Preferably, the top of pressure swing adsorption tower fixed mounting has the air inlet, the middle part of air inlet is provided with air inlet valve, the bottom of air inlet is linked together with the inboard of pressure swing adsorption tower, can have made things convenient for realizing the valve switch control to the air inlet when throwing in gas to the inboard of pressure swing adsorption tower through air inlet valve.
Preferably, four towers are fixedly arranged on the outer side of the pressure swing adsorption tower, a discharge port is arranged at the bottom of the pressure swing adsorption tower, a valve switch is arranged at one end of the pressure swing adsorption tower, the towers can stably support and install the pressure swing adsorption tower, and the discharge port can facilitate the discharge of contained gas waste or liquid after the collection and adsorption work is completed.
Preferably, the side of the pressure swing adsorption tower is fixedly connected with three gas delivery pipes, one ends of the gas delivery pipes are communicated with the inner side of the pressure swing adsorption tower, and the gas after being trapped and adsorbed can be discharged through the gas delivery pipes.
Preferably, the outside fixedly connected with adsorbent pipe of entrapment adsorption equipment, the side fixedly connected with make-up tank of adsorbent pipe, the delivery pump is installed at the top of make-up tank, one side of adsorbent pipe all runs through in the side of pressure swing adsorption tower, the outside of pressure swing adsorption tower is all fixedly installed to one side of make-up tank, and the adsorbent pipe can be with the intercommunication between entrapment adsorption equipment and the make-up tank to cooperate the delivery pump to carry out the pressurization with the adsorbent that its inboard corresponds and carry out the pressurization and carry to entrapment adsorption equipment and carry the position exudation to the entrapment stick, so that realize gaseous entrapment work.
Preferably, the top fixedly connected with return bend of supply case, the one end of return bend is connected with the one end of delivery pump, the bottom of return bend is linked together with the inboard of supply case, has then made things convenient for the high-pressure gas that produces the delivery pump to carry to the inboard of supply case when the delivery pump pressurizes the supply case through the return bend, and then has realized effectual pressurization work.
Preferably, the top of the make-up tank is provided with a filling port, three fixing rings are fixedly arranged on the outer side of the pressure swing adsorption tower, the outer sides of the fixing rings are fixedly connected with one side of the make-up tank, different corresponding adsorbents can be added into the inner side of the make-up tank through the filling port, so that the work of adsorption and trapping can be realized for different gases, and the fixing rings mainly provide a stable installation effect for the make-up tank.
Preferably, the top of pressure water tank is provided with the booster pump, the intercommunication between the bottom of booster pump and the top of pressure water tank can provide the pressure boost effect to the inboard of pressure water tank through the booster pump, and then makes the pressure water tank inside pressure rise, carries such liquid of sodium hydroxide to the corrosivity that contains in the carbon dioxide through the high pressure clear away, and then is favorable to protecting the inside of pressure swing adsorption tower comprehensively.
Preferably, the top of one side of the pressure water tank is provided with a liquid injection port, the bottom of one side of the pressure water tank is provided with a liquid outlet, different corresponding scavengers can be added into the pressure water tank through the liquid injection port, and the liquid outlet can discharge the scavengers after the completion of the work so as to replace different scavengers.
Preferably, the top of monitoring facilities is provided with turns to the subassembly, turn to the both sides at the riser are all connected at the top of subassembly, the inboard movable through connection of the other end of riser has the lift guide arm, the top fixed connection of lift guide arm is at the inner wall top of pressure swing adsorption tower, turns to the subassembly and can has made things convenient for and has carried out the effect that turns to diversified monitoring through taking a photograph the in-process of monitoring with it, and the riser then can be connected with the screw thread lifter and realize going up and down, and the lift guide arm can provide the effect of direction in order to keep stability for the lift in-process simultaneously.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the trapping adsorption mechanism is arranged, the three groups of trapping adsorption mechanisms are arranged on the inner side of the pressure swing adsorption tower, the plurality of trapping rods are uniformly distributed on the inner side of the trapping adsorption mechanism, adsorbent cotton is arranged on the outer wall of the trapping rods, the outer side of the trapping adsorption mechanism penetrates through the outer side of the pressure swing adsorption tower through the adsorbent pipe and is communicated with the replenishing tank, and the conveying pump is arranged on the top of the replenishing tank and is communicated with the elbow pipe, so that when gas is trapped, the gas can be conveniently input into the pressure swing adsorption tower through the inlet valve opening of the air inlet, when the gas vertically passes through the pressure swing adsorption tower, the plurality of trapping rods which are uniformly distributed are matched with adsorbent cotton gas to carry out trapping operation, the conveying pump pressurizes the inner side of the replenishing tank, the adsorbent for trapping carbon dioxide is conveyed to the trapping rods, through the through holes formed in the surface of the trapping rods, the carbon dioxide gas inside the pressure swing adsorption tower is subjected to trapping adsorption effect through the adsorption cotton, in addition, when the gas passes through the inside the pressure swing adsorption tower, the three groups of trapping mechanisms are arranged, the different adsorbents are conveyed to the position of the trapping adsorption mechanism through the replenishing tank, so that the trapping rods are not in the gas, on the same amount of the trapping rods can be effectively distributed, and the trapping elements are effectively and the trapping elements are not uniformly distributed in the trapping rods, and the trapping effect is effectively.
2. According to the invention, the anti-corrosion mechanism is arranged, three groups of anti-corrosion mechanisms are arranged and distributed at the upper, middle and lower positions in the pressure swing adsorption tower, a plurality of high-pressure spray heads are uniformly distributed on the outer wall of the anti-corrosion mechanism, an upper straight pipe is connected to the pressure water tank through a connecting pipe and is connected to the pressure water tank through the straight pipe, and a booster pump is arranged at the top of the pressure water tank, so that after the carbon dioxide trapping work is finished each time, the pressure water tank can be conveniently pressurized through the booster pump, then the straight pipe is communicated to the inner side of the pressure water tank and extends to the bottom of the pressure water tank to convey sodium hydroxide in the pressure water tank to the position of the anti-corrosion mechanism through the pipeline, and then the sodium hydroxide is uniformly sprayed on the inner wall of the pressure swing adsorption tower through the high-pressure spray heads, so that the carbon dioxide cleaning treatment without dead angles in all directions is realized on the inner wall of the pressure swing adsorption tower, and the problem that the inner corrosion of the pressure swing adsorption tower caused by carbon dioxide collection is influenced in the later normal use of the pressure swing adsorption tower is solved.
3. According to the invention, the monitoring mechanism is arranged on the inner side of the pressure swing adsorption tower, the camera lens is arranged at the bottom of the monitoring mechanism, the intelligent controller is arranged on the outer side of the pressure swing adsorption tower and can operate the monitoring mechanism, the top of the monitoring mechanism is connected with the upper lifter through the steering assembly, one end of the lifter is connected with the threaded lifting rod through the threads, the top of the lifter is connected with the lifting motor, and the other end of the lifter is movably connected through the lifting guide rod, so that the lifting motor is controlled by the intelligent controller to drive the threaded lifting rod to rotate to drive the lifter, the monitoring mechanism and the camera lens to lift after the gas trapping work such as carbon dioxide is carried out and the cleaning work is completed, meanwhile, the steering assembly can steer the camera lens for multidirectional monitoring, the data monitored by the camera lens can be returned to the intelligent controller for display, and can be stored and transmitted to the terminal wirelessly, thereby being convenient for remote checking, effectively improving the efficiency of the anti-corrosion survey work of the pressure swing adsorption tower, avoiding the problem that the dangerous manhole enters the inside of the pressure swing adsorption tower.
Drawings
FIG. 1 is a perspective view of a carbon dioxide capturing pressure swing adsorption tower according to the present invention;
FIG. 2 is a schematic view of another angular configuration of a carbon dioxide capturing pressure swing adsorption tower according to the present invention;
FIG. 3 is a schematic view showing the internal structure of a carbon dioxide capturing pressure swing adsorption tower according to the present invention;
FIG. 4 is a schematic view of a part of the structure of a carbon dioxide capturing pressure swing adsorption tower according to the present invention;
FIG. 5 is a schematic diagram showing the internal cross-sectional structure of a carbon dioxide capturing pressure swing adsorption column according to the present invention;
FIG. 6 is an enlarged schematic view of the carbon dioxide capturing pressure swing adsorption tower at A;
FIG. 7 is an enlarged schematic view of the structure of a carbon dioxide capturing pressure swing adsorption tower at B;
FIG. 8 is an enlarged schematic view of the carbon dioxide capturing pressure swing adsorption tower according to the present invention.
In the figure:
1. a pressure swing adsorption tower; 2. a trapping and adsorbing mechanism; 3. an anti-corrosion mechanism; 4. a monitoring mechanism; 11. an air inlet; 111. an air inlet valve; 12. a tower; 13. a discharge port; 14. a gas delivery tube; 21. a trap bar; 22. an adsorbent cotton; 23. an adsorbent tube; 24. a replenishment tank; 25. a transfer pump; 26. bending the pipe; 27. a filler neck; 28. a fixing ring; 31. a high pressure nozzle; 32. a connecting pipe; 33. a straight pipe; 34. a pressure water tank; 35. a booster pump; 36. a liquid injection port; 37. a liquid outlet; 41. an intelligent controller; 42. an imaging lens; 43. a steering assembly; 44. a lifter; 45. a threaded lifting rod; 46. a lifting motor; 47. lifting guide rod.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8: the carbon dioxide trapping pressure swing adsorption tower comprises a pressure swing adsorption tower 1, wherein three trapping adsorption mechanisms 2 are arranged on the inner side of the pressure swing adsorption tower 1, three corrosion prevention mechanisms 3 are arranged on the inner side of the pressure swing adsorption tower 1, two monitoring mechanisms 4 are arranged in the center of the inner side of the pressure swing adsorption tower 1, a plurality of trapping rods 21 are uniformly distributed on the inner side of the trapping adsorption mechanism 2, one ends of the trapping rods 21 extend to the center of the inner side of the pressure swing adsorption tower 1, a plurality of adsorbent cottons 22 are uniformly distributed on the outer wall of the trapping rods 21, three groups of trapping adsorption mechanisms 2 are arranged on the inner side of the pressure swing adsorption tower 1, a plurality of trapping rods 21 are uniformly distributed on the inner side of the trapping adsorption mechanism 2, adsorbent cottons 22 are arranged on the outer wall of the trapping rods 21, the outer side of the trapping adsorption mechanism 2 penetrates through adsorbent tubes 23 on the outer side of the pressure swing adsorption tower 1 and is communicated with a replenishment tank 24, the top of the replenishing box 24 is provided with a delivery pump 25 which is communicated through a bent pipe 26, so that when gas is trapped, the gas can be conveniently input into the pressure swing adsorption tower 1 through the inlet valve 111 opened by the gas inlet 11, when the gas vertically passes through the pressure swing adsorption tower 1, the trapping operation can be carried out through the plurality of uniformly distributed trapping rods 21 matched with the gas of the adsorbent cotton 22, the delivery pump 25 pressurizes the inner side of the replenishing box 24, the adsorbent for trapping carbon dioxide is delivered to the trapping rods 21, the adsorbent cotton 22 is provided with through holes on the surfaces of the trapping rods to permeate out the adsorbent cotton 22, the trapping adsorption effect is realized on the carbon dioxide in the pressure swing adsorption tower 1, in addition, when the gas passes through the pressure swing adsorption tower 1, the gas can be delivered to the positions of the trapping mechanisms 2 through the replenishing box 24, the effective trapping and adsorbing effects on different elements in the gas are realized, so that on one hand, the uniformity of trapping is improved by uniformly distributing the elements in the trapping rods 21, and on the other hand, the trapping amount is improved, the effective trapping work on different gases is facilitated, and the trapping efficiency is improved;
the outer wall of the corrosion prevention mechanism 3 is uniformly distributed with a plurality of high-pressure spray heads 31, one side of the high-pressure spray heads 31 is fixedly connected with a connecting pipe 32, the connecting pipe 32 penetrates through the side surface of the pressure swing adsorption tower 1, one end of the connecting pipe 32 is fixedly connected with a straight pipe 33, the bottom of the straight pipe 33 is provided with a pressure water tank 34, the corrosion prevention mechanism 3 is provided with three groups and distributed at the upper, middle and lower positions in the pressure swing adsorption tower 1, the outer wall of the corrosion prevention mechanism 3 is uniformly distributed with a plurality of high-pressure spray heads 31, the upper straight pipe 33 is connected with the straight pipe 33 and is connected with the pressure water tank 34 through the connecting pipe 32, and a booster pump 35 is arranged at the top of the pressure water tank 34, so that after the carbon dioxide capturing work is finished, the pressure water tank 34 can be pressurized through the booster pump 35, then the straight pipe 33 is communicated into the inner side of the pressure water tank 34 and the pipeline extending to the bottom is utilized to convey sodium hydroxide in the pressure water tank 34 to the position of the corrosion prevention mechanism 3, and then the high pressure spray the inner wall of the pressure swing adsorption tower 1 through the high-pressure spray heads 31 at the upper, thereby the inner wall of the pressure swing adsorption tower 1 is beneficial to realize all-round carbon dioxide free treatment, and the reduction is beneficial to reduce the influence on the corrosion inside the pressure swing adsorption tower 1 and the normal corrosion stage after the carbon dioxide capturing the carbon dioxide is used in the pressure absorption tower 1;
the intelligent controller 41 is fixedly arranged on the side surface of the pressure swing adsorption tower 1, the camera lens 42 is movably arranged at the bottom of the monitoring mechanism 4, the top of the monitoring mechanism 4 is connected with the lifter 44, one end of the lifter 44 is connected with the threaded lifting rod 45 in a threaded penetrating way, the lifting motor 46 is arranged at the top of the threaded lifting rod 45, the bottom of the lifting motor 46 is fixedly arranged at the top of the pressure swing adsorption tower 1, the top of the threaded lifting rod 45 penetrates through the top of the pressure swing adsorption tower 1, the camera lens 42 is arranged at the inner side of the pressure swing adsorption tower 1 and at the bottom of the monitoring mechanism 4, the intelligent controller 41 is arranged at the outer side of the pressure swing adsorption tower 1 and can operate the monitoring mechanism 4, the top of the monitoring mechanism 4 is connected with the upper lifter 44 through the steering component 43, one end of the lifter 44 is connected with the threaded lifting rod 45 through the threads and the top is connected with the lifting motor 46, the other end is movably connected through the lifting guide rod 47, so that after the gas trapping work such as carbon dioxide and the cleaning treatment work are finished, the lifting motor 46 can be controlled by the intelligent controller 41 to drive the threaded lifting rod 45 to rotate so as to drive the lifter 44, the monitoring mechanism 4 and the camera lens 42 to lift, meanwhile, the steering component 43 can steer the camera lens 42 to monitor in multiple directions, the data monitored by the camera lens 42 can be transmitted back to the intelligent controller 41 to be displayed, and meanwhile, the data can be stored and transmitted to the terminal in a wireless manner, thereby being convenient for remote checking, effectively improving the efficiency of the anti-corrosion survey work of the pressure swing adsorption tower 1, avoiding manual detection that a manhole enters the pressure swing adsorption tower 1, the problem of danger in the detection process is avoided.
As shown in fig. 1 and 2, an air inlet 11 is fixedly installed at the top of the pressure swing adsorption tower 1, an air inlet valve 111 is arranged in the middle of the air inlet 11, the bottom of the air inlet 11 is communicated with the inner side of the pressure swing adsorption tower 1, and the air inlet valve 111 facilitates the valve switch control of the air inlet 11 when gas is thrown into the inner side of the pressure swing adsorption tower 1.
As shown in fig. 1-4, four towers 12 are fixedly installed on the outer side of the pressure swing adsorption tower 1, a discharge outlet 13 is arranged at the bottom of the pressure swing adsorption tower 1, and a valve switch is installed at one end of the pressure swing adsorption tower 1, the towers 12 can stably support and install the pressure swing adsorption tower 1, and the discharge outlet 13 can facilitate the discharge of the contained gas waste or liquid after the trapping and adsorbing work is completed.
As shown in fig. 4, three gas delivery pipes 14 are fixedly connected to the side surface of the pressure swing adsorption tower 1, one ends of the gas delivery pipes 14 are all communicated with the inner side of the pressure swing adsorption tower 1, and the gas after being trapped and adsorbed can be discharged through the gas delivery pipes 14.
As shown in fig. 5 and 8, the outside of the trapping and adsorbing mechanism 2 is fixedly connected with an adsorbent tube 23, the side surface of the adsorbent tube 23 is fixedly connected with a replenishment tank 24, the top of the replenishment tank 24 is provided with a delivery pump 25, one side of the adsorbent tube 23 penetrates through the side surface of the pressure swing adsorption tower 1, one side of the replenishment tank 24 is fixedly provided with the outside of the pressure swing adsorption tower 1, the adsorbent tube 23 can communicate the trapping and adsorbing mechanism 2 with the replenishment tank 24, and the delivery pump 25 is matched to convey the adsorbent corresponding to the inside of the adsorbent tube to the trapping and adsorbing mechanism 2 in a pressurizing manner and convey the adsorbent to the position of the trapping rod 21 for exudation so as to realize the trapping operation of gas.
As shown in fig. 8, the top of the replenishment tank 24 is fixedly connected with a bent pipe 26, one end of the bent pipe 26 is connected with one end of the delivery pump 25, the bottom of the bent pipe 26 is communicated with the inner side of the replenishment tank 24, and high-pressure gas generated by the delivery pump 25 is conveniently delivered to the inner side of the replenishment tank 24 when the delivery pump 25 pressurizes the replenishment tank 24 through the bent pipe 26, so that effective pressurization is realized.
As shown in fig. 8, the top of the make-up tank 24 is provided with a filling port 27, the outside of the pressure swing adsorption tower 1 is fixedly provided with three fixing rings 28, the outside of the fixing rings 28 is fixedly connected with one side of the make-up tank 24, and different corresponding adsorbents can be added into the inside of the make-up tank 24 through the filling port 27 so as to facilitate the work of adsorption and trapping for different gases, and the fixing rings 28 mainly provide a stable installation effect for the make-up tank 24.
As shown in fig. 7, a booster pump 35 is disposed at the top of the pressure water tank 34, the bottom of the booster pump 35 is communicated with the top of the pressure water tank 34, a booster effect is provided for the inner side of the pressure water tank 34 by the booster pump 35, so that the pressure in the pressure water tank 34 rises, corrosive substances contained in carbon dioxide are removed by high-pressure sodium hydroxide conveying liquid, and the pressure swing adsorption tower 1 is further protected comprehensively.
As shown in fig. 7, the top of one side of the pressure water tank 34 is provided with a liquid injection port 36, the bottom of one side of the pressure water tank 34 is provided with a liquid discharge port 37, different corresponding scavengers can be added into the pressure water tank 34 through the liquid injection port 36, and the liquid discharge port 37 can discharge the scavengers after the completion of the work so as to replace the different scavengers.
As shown in fig. 4 and 6, the top of the monitoring mechanism 4 is provided with a steering assembly 43, the top of the steering assembly 43 is connected to two sides of a lifter 44, the inner side of the other end of the lifter 44 is movably connected with a lifting guide rod 47 in a penetrating manner, the top of the lifting guide rod 47 is fixedly connected to the top of the inner wall of the pressure swing adsorption tower 1, the steering assembly 43 can conveniently drive the camera lens 42 to perform the function of steering multi-azimuth monitoring in the process of shooting and monitoring, the lifter 44 can be connected with a threaded lifting rod 45 to realize lifting, and meanwhile, the lifting guide rod 47 can provide guiding for the lifting process so as to maintain stability.
In the invention, when the carbon dioxide trapping pressure swing adsorption tower is used, firstly, the valve opening and closing control of the air inlet 11 can be conveniently realized when air is thrown into the inner side of the pressure swing adsorption tower 1 through the air inlet valve 111, the tower 12 can stably provide supporting and mounting functions for the pressure swing adsorption tower 1, the exhaust port 13 can conveniently exhaust gas waste or liquid contained after the trapping and adsorbing work is finished, the gas after trapping and adsorbing can be exhausted through the air conveying pipe 14, three groups of trapping and adsorbing mechanisms 2 are arranged on the inner side of the pressure swing adsorption tower 1, a plurality of trapping rods 21 are uniformly distributed on the inner side of the trapping and adsorbing mechanisms 2, adsorbent cotton 22 is arranged on the outer wall of the trapping rods 21, the outer side of the trapping and adsorbing mechanisms 2 penetrate through the outer side of the pressure swing adsorption tower 1 through the adsorbent pipe 23 and are communicated with the replenishing box 24, the top of the replenishing box 24 is provided with a delivery pump 25 which is communicated through a bent pipe 26, so that when gas is trapped, the gas can be conveniently input into the pressure swing adsorption tower 1 through the inlet valve 111 opened by the gas inlet 11, when the gas vertically passes through the pressure swing adsorption tower 1, the trapping operation can be carried out through the plurality of uniformly distributed trapping rods 21 matched with the gas of the adsorbent cotton 22, the delivery pump 25 pressurizes the inner side of the replenishing box 24, the adsorbent for trapping carbon dioxide is delivered to the trapping rods 21, the adsorbent cotton 22 is provided with through holes on the surfaces of the trapping rods to permeate out the adsorbent cotton 22, the trapping adsorption effect is realized on the carbon dioxide in the pressure swing adsorption tower 1, in addition, when the gas passes through the pressure swing adsorption tower 1, the gas can be delivered to the positions of the trapping mechanisms 2 through the replenishing box 24, the effective trapping and adsorbing effects on different elements in the gas are carried out, which is favorable for improving trapping uniformity by uniformly distributing the elements on a plurality of trapping rods 21, thereby improving trapping quantity, different corresponding adsorbents can be added into the inner side of the replenishing tank 24 through the filling port 27, so as to realize the adsorption trapping work on different gases, the fixing ring 28 mainly provides stable installation effect on the replenishing tank 24, the corrosion prevention mechanism 3 is provided with three groups and distributed at the upper, middle and lower positions in the pressure swing adsorption tower 1, a plurality of high-pressure spray heads 31 are uniformly distributed on the outer wall of the corrosion prevention mechanism 3, the upper straight pipes 33 are connected through connecting pipes 32 and are connected to the pressure water tank 34 by the straight pipes 33, the booster pump 35 is arranged at the top of the pressure water tank 34, thereby being convenient for pressurizing the inside of the pressure water tank 34 through the booster pump 35 after the carbon dioxide trapping work is completed each time, the pipe 33 is communicated with the inner side of the pressure water tank 34 and extends to the bottom to convey sodium hydroxide in the pressure water tank 34 to the position of the corrosion prevention mechanism 3 by utilizing the pipe, and then the pipe is uniformly sprayed on the inner wall of the pressure swing adsorption tower 1 at high pressure by the high-pressure spray head 31, so that the carbon dioxide cleaning treatment without dead angles is realized on the inner wall of the pressure swing adsorption tower 1 in all directions, the pressurizing effect is provided on the inner side of the pressure water tank 34 by the pressurizing pump 35, the pressure in the pressure water tank 34 is further increased, corrosive contained in carbon dioxide is cleaned by liquid such as sodium hydroxide conveyed at high pressure, the inner side of the pressure swing adsorption tower 1 is further protected comprehensively, different corresponding scavengers can be added into the pressure water tank 34 by the liquid injection port 36, and the scavenger can be discharged by the liquid discharge port 37 after the work is completed, so as to replace different scavengers, set up monitoring mechanism 4 in the inboard of pressure swing adsorption tower 1, and install camera lens 42 in the bottom of monitoring mechanism 4, and the outside of pressure swing adsorption tower 1 is provided with intelligent control ware 41 and can operate monitoring mechanism 4, go up riser 44 through steering assembly 43 connection at the top of monitoring mechanism 4, and screw thread lifter 45 and top are connected with elevator motor 46 on the one end of riser 44, the other end then passes through lift guide 47 movable through connection, thereby the convenience is after carrying out gaseous entrapment work such as carbon dioxide and cleaning process work completion, accessible intelligent control ware 41 control elevator motor 46 drive makes screw thread lifter 45 rotate and drives riser 44 and monitoring mechanism 4 and camera lens 42 go up and down, steering assembly 43 can turn to the diversified monitoring of camera lens 42 simultaneously, the data that camera lens 42 monitored then can return to intelligent control ware 41 and show, simultaneously can store the data and wireless transmission is to the terminal, thereby the efficiency of the anticorrosive survey work of pressure swing adsorption tower 1 has been effectively promoted, steering assembly 43 can be convenient in the monitor the guide rod 42 has carried out the effect of monitoring through the lift guide rod 45 and can be realized in the lift and can be kept the lift and stable in the lift process of the lift and down, the lift and down can be realized in the lift and down the lift the screw thread of the elevator is realized.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. The utility model provides a carbon dioxide entrapment pressure swing adsorption tower, includes pressure swing adsorption tower (1), its characterized in that: the inside of pressure swing adsorption tower (1) is provided with three entrapment adsorption mechanism (2), the inboard of pressure swing adsorption tower (1) is provided with three anticorrosive mechanism (3), the inboard center of pressure swing adsorption tower (1) is provided with two monitoring mechanism (4), the inboard evenly distributed of entrapment adsorption mechanism (2) has a plurality of entrapment stick (21), the one end of entrapment stick (21) all extends to pressure swing adsorption tower (1) inboard center department, the outer wall evenly distributed of entrapment stick (21) has a plurality of absorbent cottons (22), the outside fixedly connected with adsorbent tube (23) of entrapment adsorption mechanism (2), the side fixedly connected with supply tank (24) of adsorbent tube (23), delivery pump (25) are installed at the top of supply tank (24), one side of adsorbent tube (23) all runs through the side of pressure swing adsorption tower (1), the outside of pressure swing adsorption tower (1) is all fixedly installed to one side of supply tank (24), the top fixedly connected with return bend (26) of supply tank (24), the one end that can be connected with the delivery pump (26) is connected with the inside of return bend (26) through the one end of uniformly doing the cooperation with the delivery pump (22), the conveying pump (25) pressurizes the inner side of the replenishing box (24), conveys the carbon dioxide trapping adsorbent to the trapping rods (21) and conveys the carbon dioxide trapping adsorbent to the adsorbent cotton (22) through the through holes formed in the surface of the adsorbing rod to permeate out the carbon dioxide gas in the pressure swing adsorption tower (1), and in addition, when the gas passes through the inside through the three groups of trapping adsorption mechanisms (2), different adsorbents are conveyed to the positions of the trapping adsorption mechanisms (2) through the replenishing box (24) to effectively trap and adsorb different elements in the gas, so that on one hand, the trapping rods (21) are uniformly distributed to be beneficial to improving the trapping uniformity, and on the other hand, the trapping amount is beneficial to effectively trapping different gases and improving the trapping efficiency;
the anti-corrosion device comprises an anti-corrosion mechanism (3), wherein a plurality of high-pressure spray heads (31) are uniformly distributed on the outer wall of the anti-corrosion mechanism (3), a connecting pipe (32) is fixedly connected to one side of the high-pressure spray heads (31), the connecting pipe (32) penetrates through the side face of a pressure swing adsorption tower (1), a straight pipe (33) is fixedly connected to one end of the connecting pipe (32), a pressure water tank (34) is installed at the bottom of the straight pipe (33), a booster pump (35) is arranged at the top of the pressure water tank (34), and the bottom of the booster pump (35) is communicated with the top of the pressure water tank (34);
the side fixed mounting of pressure swing adsorption tower (1) has intelligent control ware (41), the bottom movable mounting of monitoring machanism (4) has camera lens (42), the top of monitoring machanism (4) is connected with riser (44), the one end screw thread through connection of riser (44) has screw thread lifter (45), elevator motor (46) are installed at the top of screw thread lifter (45), the bottom fixed mounting of elevator motor (46) is at the top of pressure swing adsorption tower (1), the top of screw thread lifter (45) runs through in the top of pressure swing adsorption tower (1), the top of monitoring machanism (4) is provided with steering assembly (43), the top of steering assembly (43) is all connected in the both sides of riser (44), the inboard movable through connection of the other end of riser (44) has lift guide arm (47), the top fixed connection of lift guide arm (47) is at the inner wall top of pressure swing adsorption tower (1).
2. The carbon dioxide capture pressure swing adsorption column of claim 1, wherein: the top of pressure swing adsorption tower (1) fixed mounting has air inlet (11), the middle part of air inlet (11) is provided with air inlet valve (111), the bottom of air inlet (11) is linked together with the inboard of pressure swing adsorption tower (1).
3. The carbon dioxide capture pressure swing adsorption column of claim 1, wherein: four towers (12) are fixedly arranged on the outer side of the pressure swing adsorption tower (1), a discharge outlet (13) is formed in the bottom of the pressure swing adsorption tower (1), and a valve switch is arranged at one end of the pressure swing adsorption tower.
4. The carbon dioxide capture pressure swing adsorption column of claim 1, wherein: the side of pressure swing adsorption tower (1) is fixedly connected with three gas delivery pipes (14), and one end of each gas delivery pipe (14) is communicated with the inner side of pressure swing adsorption tower (1).
5. The carbon dioxide capture pressure swing adsorption column of claim 1, wherein: the top of the replenishing box (24) is provided with a filling opening (27), three fixing rings (28) are fixedly arranged on the outer side of the pressure swing adsorption tower (1), and the outer sides of the fixing rings (28) are fixedly connected with one side of the replenishing box (24).
6. The carbon dioxide capture pressure swing adsorption column of claim 1, wherein: the top of one side of the pressure water tank (34) is provided with a liquid injection port (36), and the bottom of one side of the pressure water tank (34) is provided with a liquid discharge port (37).
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