CN115501727A - Silicon dioxide production tail gas processing apparatus - Google Patents
Silicon dioxide production tail gas processing apparatus Download PDFInfo
- Publication number
- CN115501727A CN115501727A CN202211199856.7A CN202211199856A CN115501727A CN 115501727 A CN115501727 A CN 115501727A CN 202211199856 A CN202211199856 A CN 202211199856A CN 115501727 A CN115501727 A CN 115501727A
- Authority
- CN
- China
- Prior art keywords
- tail gas
- gas adsorption
- lifting plate
- pressure sensor
- adsorption block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 235000012239 silicon dioxide Nutrition 0.000 title claims abstract description 11
- 238000001179 sorption measurement Methods 0.000 claims abstract description 103
- 238000003860 storage Methods 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005307 ferromagnetism Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 99
- 239000003463 adsorbent Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/204—Inorganic halogen compounds
Abstract
The invention relates to the technical field of tail gas treatment, and provides a tail gas treatment device for silicon dioxide production, which comprises a tail gas adsorption box, tail gas adsorption blocks and a lifting plate, wherein the lifting plate is connected with the top of the tail gas adsorption box through a first reset spring, two sides of the lifting plate are connected with sliding blocks, the sliding blocks slide along sliding grooves, paired inclined plates are movably mounted on the lifting plate, the inclined plates are clamped in trapezoidal clamping grooves, a plurality of tail gas adsorption blocks are vertically stacked in a storage box, a moving assembly for enabling the paired inclined plates to move oppositely is mounted in the lifting plate, and when the sliding blocks are in contact with a first pressure sensor, a linear driving element is used for mounting the lowermost tail gas adsorption blocks on the lifting plate; when the slider contacts with second pressure sensor, the removal subassembly makes mated hang plate be close to each other, and the tail gas adsorption block on the lifter plate drops automatically. The tail gas adsorption block can automatically determine whether the tail gas adsorption block needs to be replaced, and can be automatically disassembled and assembled when the tail gas adsorption block needs to be replaced, so that the tail gas adsorption block is convenient to use.
Description
Technical Field
The invention relates to the technical field of tail gas treatment, in particular to a device for treating tail gas generated in silicon dioxide production.
Background
Because the tail gas generated in the production process of the gas-phase silicon dioxide is a mixed gas containing a large amount of hydrogen chloride, chlorine and a small amount of silicon micropowder and has the characteristic of strong corrosivity, the tail gas generated in the production process of the gas-phase silicon dioxide is often required to be introduced into a treatment solution for reaction treatment, and then the primarily treated tail gas is retreated by using a fixed adsorbent. When the dry adsorption method is used for treating the tail gas generated in the production of silicon dioxide, the adsorbent with a low adsorption rate needs to be frequently replaced, although the automatic replacement of the adsorbent which is realized at present is defined by time, for example, the adsorbent is replaced once every week, but the amount of the tail gas treated in each week is different, and if the treatment amount is small, the adsorbent can be used, so that the waste can be caused by direct replacement; if the throughput is large, the adsorbent should be replaced early. Therefore, it is required to provide a device for treating tail gas from silica production, aiming at solving the above problems.
Disclosure of Invention
The invention aims to provide a silicon dioxide production tail gas treatment device, and aims to solve the problems in the background art.
In order to achieve the above object, the present invention provides the following technical solution, wherein the apparatus for treating tail gas from silica production comprises a tail gas adsorption tank, an air inlet is arranged at the bottom of the tail gas adsorption tank, an air outlet is arranged at the top of the tail gas adsorption tank, a tail gas adsorption block is arranged inside the tail gas adsorption tank, and the apparatus for treating tail gas further comprises:
the tail gas adsorption device comprises a lifting plate, a tail gas adsorption box, a sliding block, a sliding groove, a trapezoidal clamping groove and a clamping groove, wherein the lifting plate is used for mounting a tail gas adsorption block and is connected with the top of the tail gas adsorption box through a first reset spring;
the tail gas adsorption tank comprises a storage tank for storing tail gas adsorption blocks, wherein a plurality of tail gas adsorption blocks are vertically stacked in the storage tank, the storage tank is communicated with the interior of the tail gas adsorption tank through a through hole, the tail gas adsorption block at the lowest part is connected with the inner wall of the through hole in a sliding fit manner, and a linear driving element is fixedly mounted on the storage tank; and
the tail gas adsorption device comprises a first pressure sensor and a second pressure sensor, wherein the first pressure sensor is arranged on the top surface of a sliding groove, the second pressure sensor is arranged on the bottom surface of the sliding groove, a moving assembly for enabling paired inclined plates to move oppositely is arranged in the lifting plate, and when a sliding block is in contact with the first pressure sensor, a linear driving element is used for installing a tail gas adsorption block at the lowest part on the lifting plate; when the slider contacts with second pressure sensor, the removal subassembly makes mated hang plate be close to each other, and the tail gas adsorption block on the lifter plate drops automatically.
As a further scheme of the invention, the moving assembly comprises a fixed guide shaft, an electromagnet and a second return spring, a trapezoidal cavity is arranged on the bottom surface of the lifting plate, the fixed guide shaft is fixedly connected with two sides of the trapezoidal cavity, the fixed guide shaft is horizontally arranged, the electromagnet is fixedly installed in the middle of the fixed guide shaft, a guide through hole is formed in the inclined plate, the inner wall of the guide through hole is connected with the fixed guide shaft in a sliding fit manner, the electromagnet is connected with the inclined plate through the second return spring, the inclined plate has ferromagnetism, and when the electromagnet is not electrified, the inclined plate is in close contact with the side surface of the trapezoidal cavity.
As a further scheme of the present invention, the second return spring is wound around the outside of the fixed guide shaft, the cross sections of the paired inclined plates are in a shape of a Chinese character 'ba', and the trapezoidal clamping groove penetrates through the upper surface of the exhaust gas adsorption block.
As a further scheme of the present invention, the exhaust gas treatment device further includes a controller, and the first pressure sensor, the second pressure sensor, the linear driving element, and the electromagnet are all electrically connected to the controller.
As a further scheme of the invention, an air inlet pipe is fixedly connected to the bottom surface of the tail gas adsorption tank, an electromagnetic valve is mounted on the air inlet pipe, and the electromagnetic valve is electrically connected with a controller.
As a further scheme of the invention, the surface of the lifting plate is provided with a vent groove, and the top of the storage box is provided with a storage box door.
As a further scheme of the invention, a cleaning port is arranged on the side surface of the bottom of the tail gas adsorption tank, and a sealing door is arranged at the cleaning port.
In conclusion, the beneficial effects of the invention are as follows:
the tail gas adsorption block can automatically determine whether the tail gas adsorption block needs to be replaced through the adsorption quantity, the replacement time is more accurate, when the tail gas adsorption block needs to be replaced, the tail gas adsorption block is automatically disassembled and assembled, and the tail gas adsorption block is convenient to use. Specifically, when the sliding block is in contact with the second pressure sensor, the tail gas adsorption block needs to be replaced to ensure the adsorption efficiency, at the moment, the paired inclined plates are close to each other, the tail gas adsorption block on the lifting plate falls off, and automatic disassembly is completed; then, the lifter plate can the rebound, until when slider and first pressure sensor contact, straight line drive element impels the tail gas adsorption piece of below in the tail gas adsorption box for the lifter plate slides in trapezoidal draw-in groove, and the tail gas adsorption piece of below is installed on the lifter plate, has accomplished automatic installation.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic view of an internal structure of a device for treating tail gas from silica production according to an embodiment of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a side sectional view of a lifting plate in a silica production tail gas treatment apparatus according to an embodiment of the present invention.
Fig. 4 is a top view of a lifting plate in a silica production tail gas treatment device according to an embodiment of the present invention.
Reference numerals: 1-tail gas adsorption box, 2-air inlet pipe, 3-air inlet, 4-air outlet, 5-first reset spring, 6-lifting plate, 61-ventilation groove, 7-inclined plate, 8-first pressure sensor, 9-sliding groove, 10-second pressure sensor, 11-cleaning opening, 12-sealing door, 13-tail gas adsorption block, 14-storage box, 15-linear driving element, 16-through opening, 17-sliding block, 20-trapezoidal cavity, 21-fixed guide shaft, 22-electromagnet, 23-second reset spring and 24-trapezoidal clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1, fig. 2 and fig. 3, a tail gas treatment device for silica production according to an embodiment of the present invention includes a tail gas adsorption tank 1, a gas inlet 3 is disposed at the bottom of the tail gas adsorption tank 1, a gas outlet 4 is disposed at the top of the tail gas adsorption tank 1, a tail gas adsorption block 13 is disposed inside the tail gas adsorption tank 1, and the tail gas treatment device further includes:
the tail gas adsorption device comprises a lifting plate 6 used for installing a tail gas adsorption block 13, wherein the lifting plate 6 is connected with the top of a tail gas adsorption box 1 through a first reset spring 5, the side surface of the lifting plate 6 is connected with the inner wall of the tail gas adsorption box 1 in a sliding fit manner, sliding blocks 17 are connected to two sides of the lifting plate 6, a sliding groove 9 is formed in the inner side surface of the tail gas adsorption box 1, the sliding blocks 17 slide along the sliding groove 9, paired inclined plates 7 are movably installed on the lifting plate 6, a trapezoidal clamping groove 24 is formed in the tail gas adsorption block 13, the inclined plates 7 are clamped into the trapezoidal clamping groove 24, and the tail gas adsorption block 13 is successfully installed;
the tail gas adsorption device comprises a storage box 14 for storing tail gas adsorption blocks 13, wherein the storage box 14 is fixedly installed on one side of a tail gas adsorption box 1, a plurality of tail gas adsorption blocks 13 are vertically stacked in the storage box 14, the storage box 14 is communicated with the interior of the tail gas adsorption box 1 through a through hole 16, when a lifting plate 6 is positioned at the top, the top surface of the through hole 16 is flush with the bottom surface of the lifting plate 6, the tail gas adsorption block 13 at the lowest position in the storage box 14 is connected with the inner wall of the through hole 16 in a sliding fit manner, and a linear driving element 15 is fixedly installed on the storage box 14; and
the device comprises a first pressure sensor 8 and a second pressure sensor 10 which are used for sensing the position of a lifting plate 6, wherein the first pressure sensor 8 is installed on the top surface of a sliding groove 9, the second pressure sensor 10 is installed on the bottom surface of the sliding groove 9, a moving assembly which enables paired inclined plates 7 to move in opposite directions is installed in the lifting plate 6, when a sliding block 17 is in contact with the first pressure sensor 8, a linear driving element 15 pushes a lowermost tail gas adsorption block 13 into a tail gas adsorption box 1, the inclined plates 7 slide into a trapezoidal clamping groove 24, and the lowermost tail gas adsorption block 13 is installed on the lifting plate 6; when slider 17 and second pressure sensor 10 contact, the removal subassembly makes mated hang plate 7 be close to each other, and the tail gas on the lifter plate 6 adsorbs piece 13 and drops on the bottom of tail gas adsorption tank 1 automatically.
In the embodiment of the present invention, the linear driving element 15 is an electric push rod or a hydraulic cylinder, the moving assembly includes a fixed guide shaft 21, an electromagnet 22 and a second return spring 23, the bottom surface of the lifting plate 6 is provided with a trapezoidal cavity 20, the fixed guide shaft 21 is fixedly connected to both sides of the trapezoidal cavity 20, the fixed guide shaft 21 is horizontally disposed, the electromagnet 22 is fixedly installed in the middle of the fixed guide shaft 21, the inclined plate 7 is provided with a guide through hole, the inner wall of the guide through hole is connected to the fixed guide shaft 21 in a sliding fit manner, the electromagnet 22 is connected to the inclined plate 7 through the second return spring 23, the inclined plate 7 has ferromagnetism, that is, the inclined plate 7 can be attracted by the magnet, when the electromagnet 22 is not energized, the inclined plate 7 is in close contact with the side surface of the trapezoidal cavity 20, only when the electromagnet 22 is energized, the two inclined plates 7 approach each other, the second return spring 23 is wound around the outside of the fixed guide shaft 21, the paired inclined plates 7 have a cross section in a shape of a "eight", and the trapezoidal slot 24 penetrates through the upper surface of the tail gas adsorbing block 13.
In the embodiment of the present invention, the exhaust gas treatment device further includes a controller (not shown), and the first pressure sensor 8, the second pressure sensor 10, the linear driving element 15, and the electromagnet 22 are electrically connected to the controller. During normal use, a tail gas adsorption block 13 is installed on the lifting plate 6, an adsorbent is filled in the tail gas adsorption block 13, tail gas produced by silicon dioxide can be treated, impurities are continuously absorbed by the adsorbent, the tail gas adsorption block 13 is heavier and heavier, the tail gas adsorption block 13 needs to be replaced until the sliding block 17 is in contact with the second pressure sensor 10 to ensure adsorption efficiency, at the moment, the second pressure sensor 10 transmits signals to the controller, the controller energizes the electromagnet 22, the paired inclined plates 7 are close to each other, the tail gas adsorption block 13 on the lifting plate 6 automatically falls off, the tail gas adsorption block 13 falls on the bottom of the tail gas adsorption box 1, and automatic disassembly is completed; then, the lifting plate 6 can move upwards until when the sliding block 17 contacts with the first pressure sensor 8, the linear driving element 15 pushes the tail gas adsorption block 13 at the bottom into the tail gas adsorption tank 1, so that the inclined plate 7 slides into the trapezoidal clamping groove 24, the tail gas adsorption block 13 at the bottom is installed on the lifting plate 6, and automatic installation and convenient use are completed.
Referring to fig. 1, 2, 3 and 4, in an embodiment of the present invention, an air inlet pipe 2 is fixedly connected to a bottom surface of the exhaust gas adsorption tank 1, and an electromagnetic valve is installed on the air inlet pipe 2 and electrically connected to a controller. When slider 17 and second pressure sensor 10 contact, solenoid valve is closed by the controller, and after slider 17 and 8 contact one end times of first pressure sensor, solenoid valve is opened by the controller, and built-in the controller has time relay, so, has guaranteed that tail gas adsorbs piece 13 at the change in-process, can not have tail gas through tail gas adsorption tank 1.
In the embodiment of the present invention, the surface of the lifting plate 6 is provided with the vent groove 61, so that the exhaust gas can smoothly pass through the exhaust gas adsorption tank 1, the vent groove 61 can be completely blocked by the exhaust gas adsorption block 13, the top of the storage tank 14 is provided with a storage tank door, and the exhaust gas adsorption block 13 can be supplemented into the storage tank 14 by opening the storage tank door.
In the embodiment of the invention, a cleaning opening 11 is arranged on the side surface of the bottom of the tail gas adsorption tank 1, a sealing door 12 is arranged at the cleaning opening 11, and the used tail gas adsorption block 13 can be taken out by opening the sealing door 12.
Although several embodiments and examples of the present invention have been described for those skilled in the art, these embodiments and examples are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in other various ways, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalent scope thereof.
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 silica production tail gas processing apparatus, includes that tail gas adsorbs the case, the bottom that tail gas adsorbs the case is provided with the air inlet, and the top that tail gas adsorbs the case is provided with the gas outlet, and the inside that tail gas adsorbs the case is provided with tail gas adsorption block, its characterized in that, tail gas processing apparatus still includes:
the tail gas adsorption device comprises a lifting plate, a tail gas adsorption box, a sliding block, a sliding groove, a pair of inclined plates, a trapezoidal clamping groove and a tail gas adsorption block, wherein the lifting plate is used for installing the tail gas adsorption block and is connected with the top of the tail gas adsorption box through a first return spring;
the tail gas adsorption device comprises a storage box for storing tail gas adsorption blocks, wherein a plurality of tail gas adsorption blocks are vertically stacked in the storage box, the storage box is communicated with the interior of the tail gas adsorption box through a through hole, the tail gas adsorption block at the lowest part is connected with the inner wall of the through hole in a sliding fit manner, and a linear driving element is fixedly mounted on the storage box; and
the tail gas adsorption device comprises a first pressure sensor and a second pressure sensor, wherein the first pressure sensor is arranged on the top surface of a sliding groove, the second pressure sensor is arranged on the bottom surface of the sliding groove, a moving assembly for enabling paired inclined plates to move oppositely is arranged in the lifting plate, and when a sliding block is in contact with the first pressure sensor, a linear driving element is used for installing a tail gas adsorption block at the lowest part on the lifting plate; when the slider contacts with second pressure sensor, the removal subassembly makes mated hang plate be close to each other, and the tail gas adsorption block on the lifter plate drops automatically.
2. The silica production tail gas processing apparatus according to claim 1, wherein the moving assembly includes a fixed guide shaft, an electromagnet and a second return spring, the bottom surface of the lifting plate is provided with a trapezoidal cavity, the fixed guide shaft is fixedly connected with both sides of the trapezoidal cavity, the fixed guide shaft is horizontally arranged, the electromagnet is fixedly mounted in the middle of the fixed guide shaft, the inclined plate is provided with a guide through hole, the inner wall of the guide through hole is connected with the fixed guide shaft in a sliding fit manner, the electromagnet is connected with the inclined plate through the second return spring, the inclined plate has ferromagnetism, and when the electromagnet is not energized, the inclined plate is in close contact with the side surface of the trapezoidal cavity.
3. The tail gas treatment device for silica production according to claim 1, wherein the second return spring is wound outside the fixed guide shaft, the cross sections of the paired inclined plates are in a shape of a Chinese character 'ba', and the trapezoidal clamping groove penetrates through the upper surface of the tail gas adsorption block.
4. The tail gas treatment device for silica production according to claim 2, further comprising a controller, wherein the first pressure sensor, the second pressure sensor, the linear driving element and the electromagnet are electrically connected to the controller.
5. The tail gas treatment device for the production of silicon dioxide according to claim 4, wherein a gas inlet pipe is fixedly connected to the bottom surface of the tail gas adsorption tank, an electromagnetic valve is mounted on the gas inlet pipe, and the electromagnetic valve is electrically connected with the controller.
6. The silica production tail gas treatment device according to claim 1, wherein a vent groove is formed in the surface of the lifting plate, and a storage box door is installed at the top of the storage box.
7. The tail gas treatment device for the production of silicon dioxide according to claim 1, wherein a cleaning port is arranged on the side surface of the bottom of the tail gas adsorption tank, and a sealing door is arranged at the cleaning port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211199856.7A CN115501727B (en) | 2022-09-29 | 2022-09-29 | Tail gas treatment device for silicon dioxide production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211199856.7A CN115501727B (en) | 2022-09-29 | 2022-09-29 | Tail gas treatment device for silicon dioxide production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115501727A true CN115501727A (en) | 2022-12-23 |
| CN115501727B CN115501727B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211199856.7A Active CN115501727B (en) | 2022-09-29 | 2022-09-29 | Tail gas treatment device for silicon dioxide production |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5120331A (en) * | 1990-02-06 | 1992-06-09 | Keith Landy | Composite gas filtering unit |
| US20130266380A1 (en) * | 2007-11-13 | 2013-10-10 | PODenergy, Inc. | Systems and methods for off-shore energy production and CO2 sequestration |
| US20160045841A1 (en) * | 2013-03-15 | 2016-02-18 | Transtar Group, Ltd. | New and improved system for processing various chemicals and materials |
| CN111841244A (en) * | 2020-07-22 | 2020-10-30 | 山东津挚环保科技有限公司 | Pressure swing adsorption hydrogen purification system |
| CN112337263A (en) * | 2020-10-19 | 2021-02-09 | 南京大学环境规划设计研究院集团股份公司 | Double-layer activated carbon waste gas purification device |
| CN113494715A (en) * | 2021-05-26 | 2021-10-12 | 南大恩洁优环境技术(江苏)股份公司 | VOCs circulating catalytic combustion purification device |
-
2022
- 2022-09-29 CN CN202211199856.7A patent/CN115501727B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5120331A (en) * | 1990-02-06 | 1992-06-09 | Keith Landy | Composite gas filtering unit |
| US20130266380A1 (en) * | 2007-11-13 | 2013-10-10 | PODenergy, Inc. | Systems and methods for off-shore energy production and CO2 sequestration |
| US20160045841A1 (en) * | 2013-03-15 | 2016-02-18 | Transtar Group, Ltd. | New and improved system for processing various chemicals and materials |
| CN111841244A (en) * | 2020-07-22 | 2020-10-30 | 山东津挚环保科技有限公司 | Pressure swing adsorption hydrogen purification system |
| CN112337263A (en) * | 2020-10-19 | 2021-02-09 | 南京大学环境规划设计研究院集团股份公司 | Double-layer activated carbon waste gas purification device |
| CN113494715A (en) * | 2021-05-26 | 2021-10-12 | 南大恩洁优环境技术(江苏)股份公司 | VOCs circulating catalytic combustion purification device |
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| CN115501727B (en) | 2024-03-22 |
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