CN115155242A - Recovery unit is used in synthetic ammonia production - Google Patents
Recovery unit is used in synthetic ammonia production Download PDFInfo
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- CN115155242A CN115155242A CN202210930755.6A CN202210930755A CN115155242A CN 115155242 A CN115155242 A CN 115155242A CN 202210930755 A CN202210930755 A CN 202210930755A CN 115155242 A CN115155242 A CN 115155242A
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- molecular sieve
- fixedly connected
- hose
- pipe
- pipeline
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- 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
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- 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
- B01D53/0454—Controlling adsorption
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
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- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Gases By Adsorption (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention relates to the technical field of synthetic ammonia production, in particular to a middle position pipeline, a first pipe and a second pipe, wherein one side of the middle position pipeline is provided with a driving mechanism, a blanking mechanism, a material changing mechanism and a stirring mechanism, the material changing mechanism comprises two clamping plates and a hose, the two clamping plates are respectively positioned on two sides of the hose, one side of the middle position pipeline is fixedly connected with the hose, the driving mechanism is used for controlling the two clamping plates to move close to or away from each other, one side of the hose is provided with the blanking mechanism used for pushing molecular sieve particles into the hose, and the middle position pipeline is provided with an unloading port used for outputting saturated molecular sieve particles.
Description
Technical Field
The invention relates to the technical field of synthetic ammonia production, in particular to a recovery device for synthetic ammonia production.
Background
In a common production process of synthetic ammonia, hydrogen elements in synthesis vent gas need to be recovered, the hydrogen elements often exist in a hydrogen mode, the hydrogen in the synthesis vent gas can be mixed with carbon elements, the existing mode for separating the hydrogen from the carbon elements is a second mode, the first mode is to directly introduce mixed gas into water, although the hydrogen and the carbon-containing gas can be separated from each other by the characteristic that the hydrogen is insoluble in water, the separation effect is limited; the second is that the mixed gas passes through the molecular sieve, and the hydrogen is recovered by utilizing the characteristic that the molecular sieve has different adsorption degrees to the hydrogen and the carbon-containing gas, but the molecular sieve is gradually saturated after being used for a long time, so that the subsequent separation efficiency is influenced.
Disclosure of Invention
The invention aims to provide a recovery device for synthetic ammonia production, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a recovery unit is used in synthetic ammonia production, includes meso position pipeline, pipe one and pipe two, pipe one is used for to the meso position pipeline in the input gas, and the pipe two are located and derive gas in the meso position pipeline, all is provided with the valve body in pipe one and the pipe two, meso position pipeline intussuseption is filled with the molecular sieve granule, and the one end of meso position pipeline is the through-hole for closed end and the other end, one side of meso position pipeline is provided with actuating mechanism, unloading mechanism, reloading mechanism and rabbling mechanism, reloading mechanism includes splint and hose, the quantity of splint has two, and two splint are located the both sides of hose respectively, and one side fixedly connected with hose of meso position pipeline, actuating mechanism is used for controlling two splint and does the motion that is close to each other or keeps away from each other, one side of hose is provided with the unloading mechanism that is used for pushing the molecular sieve granule into the hose, set up the uninstallation mouth that is used for exporting saturated molecular sieve granule on the meso position pipeline.
The application adopts a further technical scheme that: actuating mechanism includes support, telescoping cylinder, neutral position pole, connecting rod, rack and gear, the equal fixed connection of support and neutral position pipeline installs the telescoping cylinder on the support subaerially, the expansion end and neutral position pole fixed connection of telescoping cylinder, the both sides of neutral position pole are all rotated and are connected with the connecting rod, and two connecting rods are kept away from one of neutral position pole and are served and all rotate with the gear off-centre that corresponds and connect, gear and leg joint rotate, one side of gear is provided with and is connected with the driven rack of gear engagement, rack and support sliding connection, two equal fixedly connected with splint on the rack.
The application adopts a further technical scheme that: unloading mechanism includes spout, pushing head and casing, the casing intussuseption is filled with the molecular sieve granule, and the casing interval sets up in the support top, the meso position pipeline passes through hose and spout fixed connection, sliding connection has the pushing head in the spout, pushing head and meso position pole fixed connection, the bearing mouth has been seted up to one side of pushing head, and the delivery outlet of the side laminating casing of pushing head slides.
The application further adopts the technical scheme that: the material changing mechanism comprises a cover body and a baffle, the neutral rod is elastically and slidably connected with the cover body, the baffle is fixedly connected to one side of the closed end of the neutral pipeline, and the baffle is located on the moving path of the cover body.
The application adopts a further technical scheme that: the stirring mechanism comprises a box body, a guide pipe, a raised head and a containing bowl, the box body is fixedly connected with a support, the gear is coaxially and fixedly connected with the raised head, the containing bowl is fixedly connected in the box body, a filter opening is formed in the containing bowl, the raised head rotates in the containing bowl, the input end of the guide pipe is located below the unloading opening, and the output end of the guide pipe is located above the containing bowl.
The application adopts a further technical scheme that: the fan blades are coaxially and fixedly connected below the raised heads and rotate in the box body.
The application adopts a further technical scheme that: the cross section of the containing bowl is bowl-shaped, and the cross section of the raised head is spherical.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects: according to the invention, the driving mechanism is used as a central driving system to respectively drive the blanking mechanism, the material changing mechanism and the stirring mechanism to operate, the blanking mechanism is used for sending new molecular sieve particles which do not adsorb gas into the hose, clamping plates on two sides of the hose can extrude the molecular sieve particles to a certain degree under the control of the driving mechanism, the originally loose molecular sieve particles are extruded to be compact, the compact molecular sieve particles can be regarded as a molecular sieve cake, the new molecular sieve cake in the hose can gradually move into a middle pipeline along with the continuous pushing of the new molecular sieve particles into the hose by the subsequent blanking mechanism, the new molecular sieve cake can gradually move from a closed end of the middle pipeline to an unloading port in the middle pipeline, in the process, the mixed gas continuously entering the hose can be in contact with the continuously updated molecular sieve cake, each molecular sieve cake can adsorb carbon-containing gas in the mixed gas by using high adsorption capacity, and then the relatively saturated molecular sieve cake can be continuously pushed by the blanking mechanism to fall from the replacement port of the middle pipeline, so that the replacement of the molecular sieve particles can be automatically interrupted, and the quality of the molecular sieve particles can be automatically improved.
Drawings
FIG. 1 is a three-dimensional schematic view of a recovery apparatus for synthetic ammonia production provided by the present invention from a first perspective;
FIG. 2 is a schematic three-dimensional view of a recovery apparatus for synthetic ammonia production provided by the present invention from a second perspective;
FIG. 3 is a three-dimensional schematic view of a recovery apparatus for synthetic ammonia production according to the present invention from a third perspective;
FIG. 4 is a three-dimensional view of a pusher head of a recovery device for synthetic ammonia production according to the present invention;
FIG. 5 is a three-dimensional view of a middle pipeline of the recovery device for synthetic ammonia production provided by the invention.
Fig. 6 is a sectional view of the inside of the case.
The reference numerals in the schematic drawings illustrate:
1. a support; 2. a telescopic cylinder; 3. a neutral lever; 4. a median pipeline; 5. a cover body; 6. a hose; 7. a chute; 8. pushing the head; 9. a housing; 10. a baffle plate; 11. a connecting rod; 12. a rack; 13. a gear; 14. a splint; 15. a first pipe; 16. a second pipe; 17. a fan blade; 18. a box body; 19. a guide tube; 20. a raised head; 21. the holding bowl.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention, and the present invention is further described with reference to the embodiments below.
Referring to fig. 1, 2, 3 and 4, in an embodiment of the present application, a recovery device for synthetic ammonia production includes a median pipeline 4, a first pipe 15 and a second pipe 16, where the first pipe 15 is used to input gas into the median pipeline 4, the second pipe 16 is used to lead gas out from the median pipeline 4, valve bodies are disposed in both the first pipe 15 and the second pipe 16, the median pipeline 4 is filled with molecular sieve particles, one end of the median pipeline 4 is a closed end, and the other end is a through hole, a driving mechanism, a blanking mechanism, a material changing mechanism and a stirring mechanism are disposed on one side of the median pipeline 4, the material changing mechanism includes two clamping plates 14 and a hose 6, the two clamping plates 14 are respectively disposed on two sides of the hose 6, the hose 6 is fixedly connected to one side of the median pipeline 4, the driving mechanism is used to control the two clamping plates 14 to move close to or away from each other, the blanking mechanism used to push the molecular sieve particles into the hose 6 is disposed on one side of the hose 6, and an unloading port for outputting saturated molecular sieve particles is disposed on the median pipeline 4.
As shown in fig. 1, in one aspect of this embodiment, the driving mechanism includes a support 1, a telescopic cylinder 2, a middle position rod 3, a connecting rod 11, a rack 12 and a gear 13, where the support 1 and the middle position pipe 4 are both fixedly connected to the ground, the telescopic cylinder 2 is installed on the support 1, the movable end of the telescopic cylinder 2 is fixedly connected to the middle position rod 3, the connecting rod 11 is rotatably connected to both sides of the middle position rod 3, two ends of the connecting rods 11, which are far away from the middle position rod 3, are both eccentrically and rotatably connected to the corresponding gear 13, the gear 13 is rotatably connected to the support 1, a rack 12 that is in meshing transmission with the gear 13 is disposed on one side of the gear 13, the rack 12 is slidably connected to the support 1, and two clamping plates 14 are fixedly connected to the rack 12.
In practical application, in the invention, the driving mechanism is used as a central driving system to respectively drive the blanking mechanism, the material changing mechanism and the stirring mechanism to operate, the blanking mechanism is used for sending new molecular sieve particles which do not adsorb gas into the hose 6, the clamping plates 14 positioned at two sides of the hose 6 can extrude the molecular sieve particles to a certain degree under the control of the driving mechanism, the originally loose molecular sieve particles are extruded to be compact, the compact molecular sieve particles can be regarded as a molecular sieve cake, the new molecular sieve particles are continuously pushed into the hose 6 along with the subsequent blanking mechanism, the molecular sieve cake in the hose 6 is gradually moved into the middle position pipeline 4, the new molecular sieve cake can gradually move from the closed end of the middle position pipeline 4 to the unloading port in the middle position pipeline 4, in the process, the mixed gas continuously entering from the first pipe 15 can be contacted with the constantly updated molecular sieve cake, each molecular sieve cake can adsorb the carbon-containing gas with higher adsorption capacity, the saturated molecular sieve cake can be continuously moved into the unloading port of the pipeline, and the efficiency of the production of the molecular sieve particles is improved by the manual unloading mechanism, and the automatic unloading of the molecular sieve particle recovery mechanism is improved.
The telescopic cylinder 2 drives the middle rod 3 to move left and right along the horizontal direction, the connecting rod 11 pulls the two gears 13 back and forth to rotate in opposite directions, the gears 13 drive the racks 12 to slide back and forth while rotating, and further drive the corresponding clamping plates 14 to move close to or away from each other, so that the purpose of clamping molecular sieve particles in the hose 6 or loosening the hose 6 is achieved; specifically, when the telescopic ram 2 is extended, the two clamping plates 14 are away from each other and do not move to clamp the molecular sieve particles, and when the telescopic ram 2 is retracted, the two clamping plates 14 are close to each other and do move to clamp the molecular sieve particles.
Referring to fig. 1, fig. 3 and fig. 4, as a preferred embodiment of the present application, the blanking mechanism includes a chute 7, a push head 8 and a casing 9, the casing 9 is filled with molecular sieve particles, the casing 9 is disposed above the support 1 at intervals, the middle position pipeline 4 is fixedly connected to the chute 7 through a hose 6, the push head 8 is slidably connected to the chute 7, the push head 8 is fixedly connected to the middle position rod 3, a bearing port is opened at one side of the push head 8, and a side surface of the push head 8 is attached to an output port of the casing 9 to slide.
In one aspect of this embodiment, as shown in fig. 1, the refueling mechanism includes a housing 5 and a baffle 10, the neutral rod 3 and the housing 5 are elastically slidably connected, the baffle 10 is fixedly connected to the closed end side of the neutral pipe 4, and the baffle 10 is located on the moving path of the housing 5.
In practical application, when the telescopic cylinder 2 retracts, the telescopic cylinder 2 drives the middle position rod 3 to move leftwards, the middle position rod 3 drives the push head 8 to slide on the sliding groove 7, when the bearing opening in the push head 8 moves to the position below the output end of the shell 9, molecular sieve particles in the shell 9 fall into the bearing opening, then when the telescopic cylinder 2 extends, the telescopic cylinder 2 drives the middle position rod 3 to move rightwards, the middle position rod 3 drives the push head 8 to push the molecular sieve particles falling into the bearing opening into the hose 6 from the sliding groove 7, so that the clamping plates 14 on two sides of the hose 6 clamp the molecular sieve particles in the hose 6, the bottom surface of the bearing opening of the push head 8 is an inclined surface inclining downwards, the molecular sieve particles can roll into the hose 6 conveniently, when the molecular sieve cake moves to the position below the first pipe 15, the molecular sieve cake is impacted by mixed gas in the first pipe 15, the molecular sieve particles on the molecular sieve cake can peel off to different degrees, and the peeled molecular sieve particles can also adsorb carbon-containing gas in the mixed gas. In the process of purifying hydrogen, a certain pressure can be introduced into the meso-position pipeline 4 sometimes, according to the principle that different gas molecules in mixed gas are adsorbed by molecular sieve particles to different degrees under different pressures, when the pressure is changed, the molecular sieve particles can be used for adsorbing more kinds of impurity gases, when the gas is introduced into the meso-position pipeline 4, one end of the meso-position pipeline 4 is blocked by the push head 8, and the first pipe 15 and the second pipe 16 are both provided with valves, so that when the gas is pressurized into the meso-position pipeline 4, only one unloading opening can be freely ventilated, at the moment, the telescopic cylinder 2 is used for driving the cover body 5 to move right while being extended, when the cover body 5 blocks the unloading opening, the whole meso-position pipeline 4 edge can be under a specific pressure within a certain time period, and therefore the purity of the hydrogen obtained by the device is improved.
Referring to fig. 1 and 6, as a preferred embodiment of the present application, the stirring mechanism includes a box 18, a guide pipe 19, a protruding head 20 and a receiving bowl 21, the box 18 is fixedly connected to the bracket 1, the protruding head 20 is coaxially and fixedly connected to the gear 13, the receiving bowl 21 is fixedly connected to the inside of the box 18, a filtering opening is formed in the receiving bowl 21, the protruding head 20 rotates in the receiving bowl 21, an input end of the guide pipe 19 is located below the unloading opening, and an output end of the guide pipe 19 is located above the receiving bowl 21.
In one aspect of this embodiment, as shown in fig. 6, a fan 17 is fixedly connected coaxially below the projection 20, and the fan 17 rotates in the case 18.
The cross section of the containing bowl 21 is bowl-shaped, and the cross section of the raised head 20 is spherical.
In this embodiment, when the cover body 5 moves to the left, the unloading opening is exposed, and at this time, the molecular sieve cake falls into the guide pipe 19 from the unloading opening, and under the guiding action of the guide pipe 19, the molecular sieve cake and the scattered molecular sieve particles fall into the containing bowl 21, because the continuous rotation of the gear 13 drives the containing bowl 21 to rotate continuously, the nose 20 can break the molecular sieve cake falling into the containing bowl 21 into the molecular sieve particles, and the molecular sieve particles fall into the box 18 from the filtering opening, after falling into the solution in the box 18, the solution in the box 18 can be an alkaline salt solution, and by utilizing the principle that the alkaline salt solution reacts with the carbon-containing gas to generate a precipitate, the molecular sieve particles can be used as a reaction matrix, the produced precipitate is wrapped on the molecular sieve particles, and the molecular sieve particles are bound under the interconnection of the precipitate, so that the volume of carbonate suspended in the box 18 can be reduced, and thus only the bound molecular sieve particles need to be recovered subsequently, and the subsequent large-batch filtration and recovery process of carbonate can be omitted.
Rotation of the fan blades 17 increases the rate at which the gas adsorbed within the molecular sieve particles reacts with the solution within the housing 18.
The spherical and bowl-shaped extrusion can efficiently break up the molecular sieve cake, and meanwhile, the broken up molecular sieve particles can not be retained in the containing bowl 21.
In the device, the telescopic cylinder 2 is used as a driving part, when the telescopic cylinder 2 extends, the middle position rod 3 moves leftwards, the two clamping plates 14 are driven to be away from each other through the meshing transmission action between the rack 12 and the gear 13, meanwhile, the middle position rod 3 drives the push head 8 to push molecular sieve particles falling from the shell 9 into the hose 6, after a part of molecular sieve cakes are pushed into the guide pipe 19 properly, the cover body 5 shields the unloading opening, the middle position pipeline 4 can be pressurized properly, the pressure is in the deformation pressure range of the hose 6, then the telescopic cylinder 2 contracts, the rack 12 and the gear 13 drive the two clamping plates 14 to move close to each other under the meshing transmission action, so that the molecular sieve particles in the hose 6 are extruded, and the operation is repeated, in the process, the gear 13 drives the fan blades 17 of the raised head 20 to rotate, and carbon molecules are convenient to fix; the above process can not only improve the purity of the recovered hydrogen, but also obtain carbon element with large volume.
The left and right directions in the above embodiment are based on fig. 1, and those skilled in the art can produce a reasonable shape of the holder 1 based on the above description.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a recovery unit is used in synthetic ammonia production, includes meso position pipeline (4), pipe one (15) and pipe two (16), pipe one (15) are used for to the interior input gas of meso position pipeline (4), and pipe two (16) are used for deriving gaseous in the meso position pipeline (4), all are provided with the valve body in pipe one (15) and pipe two (16), meso position pipeline (4) intussuseption is filled with the molecular sieve granule, its characterized in that, the one end of meso position pipeline (4) is closed end and the other end is the through-hole, one side of meso position pipeline (4) is provided with actuating mechanism, unloading mechanism, mechanism and rabbling mechanism, the mechanism of reloading includes splint (14) and hose (6), the quantity of splint (14) has two, and two splint (14) are located the both sides of hose (6) respectively, one side fixedly connected with hose (6) of meso position pipeline (4), actuating mechanism is used for controlling two splint (14) and makes the motion that is close to each other or keeps away from each other, one side of hose (6) is provided with being used for pushing the molecular sieve granule into hose (6), unloading mechanism's unloading has been used for the unloading of saturated molecular sieve on the pipeline (4).
2. The recovery device for synthetic ammonia production according to claim 1, wherein the driving mechanism comprises a support (1), a telescopic cylinder (2), a middle rod (3), a connecting rod (11), racks (12) and gears (13), the support (1) and the middle pipeline (4) are both fixedly connected to the ground, the telescopic cylinder (2) is mounted on the support (1), the movable end of the telescopic cylinder (2) is fixedly connected to the middle rod (3), the connecting rod (11) is rotatably connected to both sides of the middle rod (3), one end of each connecting rod (11) away from the middle rod (3) is eccentrically and rotatably connected to the corresponding gear (13), the gear (13) is rotatably connected to the support (1), the rack (12) meshed with the gear (13) is arranged on one side of the gear (13), the rack (12) is slidably connected to the support (1), and a clamping plate (14) is fixedly connected to each of the two racks (12).
3. The recycling device for synthetic ammonia production according to claim 2, wherein the blanking mechanism comprises a chute (7), a push head (8) and a housing (9), the housing (9) is filled with molecular sieve particles, the housing (9) is arranged above the support (1) at intervals, the middle position pipeline (4) is fixedly connected with the chute (7) through a hose (6), the push head (8) is connected in the chute (7) in a sliding manner, the push head (8) is fixedly connected with the middle position rod (3), one side of the push head (8) is provided with a bearing opening, and the side surface of the push head (8) is attached to the output opening of the housing (9) for sliding.
4. The recovery device for synthetic ammonia production according to any one of claims 1-3, wherein the material changing mechanism comprises a cover body (5) and a baffle (10), the neutral rod (3) and the cover body (5) are elastically and slidably connected, the baffle (10) is fixedly connected to one side of the closed end of the neutral pipe (4), and the baffle (10) is positioned on the moving path of the cover body (5).
5. The recovery device for synthetic ammonia production according to claim 4, wherein the stirring mechanism comprises a box body (18), a guide pipe (19), a raised head (20) and a containing bowl (21), the box body (18) is fixedly connected with the support (1), the raised head (20) is coaxially and fixedly connected with the gear (13), the containing bowl (21) is fixedly connected in the box body (18), a filter opening is formed in the containing bowl (21), the raised head (20) rotates in the containing bowl (21), the input end of the guide pipe (19) is located below the unloading opening, and the output end of the guide pipe (19) is located above the containing bowl (21).
6. A recovery unit for synthetic ammonia production according to claim 5, characterized in that a fan blade (17) is coaxially and fixedly connected below the nose (20), the fan blade (17) rotating in the box (18).
7. A recovery unit for synthetic ammonia production according to claim 6, characterized in that the cross-sectional shape of the receiving bowl (21) is bowl-shaped and the cross-sectional shape of the nose (20) is spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210930755.6A CN115155242B (en) | 2022-08-04 | 2022-08-04 | Recovery unit is used in synthetic ammonia production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210930755.6A CN115155242B (en) | 2022-08-04 | 2022-08-04 | Recovery unit is used in synthetic ammonia production |
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| CN115155242A true CN115155242A (en) | 2022-10-11 |
| CN115155242B CN115155242B (en) | 2023-07-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7052532B1 (en) * | 2000-03-09 | 2006-05-30 | 3M Innovative Properties Company | High temperature nanofilter, system and method |
| CN110180324A (en) * | 2019-07-04 | 2019-08-30 | 广东澄宇实业有限公司 | A kind of air cleaning unit and purification method |
| CN111249857A (en) * | 2019-07-04 | 2020-06-09 | 广东澄宇实业有限公司 | VOC exhaust-gas treatment purifier and have its baking finish room |
| CN215196183U (en) * | 2021-06-03 | 2021-12-17 | 东莞市鸿图节能科技有限公司 | Modular exhaust treatment device is with modified molecular sieve adsorption system |
| CN215539607U (en) * | 2021-02-08 | 2022-01-18 | 陕西正涛能源科技有限公司 | Purification adsorption equipment is used in argon gas recovery convenient to change molecular sieve |
-
2022
- 2022-08-04 CN CN202210930755.6A patent/CN115155242B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7052532B1 (en) * | 2000-03-09 | 2006-05-30 | 3M Innovative Properties Company | High temperature nanofilter, system and method |
| CN110180324A (en) * | 2019-07-04 | 2019-08-30 | 广东澄宇实业有限公司 | A kind of air cleaning unit and purification method |
| CN111249857A (en) * | 2019-07-04 | 2020-06-09 | 广东澄宇实业有限公司 | VOC exhaust-gas treatment purifier and have its baking finish room |
| CN215539607U (en) * | 2021-02-08 | 2022-01-18 | 陕西正涛能源科技有限公司 | Purification adsorption equipment is used in argon gas recovery convenient to change molecular sieve |
| CN215196183U (en) * | 2021-06-03 | 2021-12-17 | 东莞市鸿图节能科技有限公司 | Modular exhaust treatment device is with modified molecular sieve adsorption system |
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| Publication number | Publication date |
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| CN115155242B (en) | 2023-07-04 |
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