CN115501727B - Tail gas treatment device for silicon dioxide production - Google Patents
Tail gas treatment device for silicon dioxide production Download PDFInfo
- Publication number
- CN115501727B CN115501727B CN202211199856.7A CN202211199856A CN115501727B CN 115501727 B CN115501727 B CN 115501727B CN 202211199856 A CN202211199856 A CN 202211199856A CN 115501727 B CN115501727 B CN 115501727B
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- Prior art keywords
- tail gas
- gas adsorption
- pressure sensor
- lifting plate
- box
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 20
- 235000012239 silicon dioxide Nutrition 0.000 title claims abstract description 8
- 238000001179 sorption measurement Methods 0.000 claims abstract description 103
- 238000003860 storage Methods 0.000 claims description 23
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000005294 ferromagnetic effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 92
- 239000003463 adsorbent Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000005307 ferromagnetism Effects 0.000 description 2
- 229910021485 fumed silica Inorganic materials 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
- 238000010521 absorption reaction Methods 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
- 238000010586 diagram Methods 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
- 238000009434 installation Methods 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
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 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
-
- 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 lifting plates, wherein the lifting plates are connected with the top of the tail gas adsorption box through first reset springs; when the sliding block is in contact with the second pressure sensor, the moving assembly enables the paired inclined plates to be close to each other, and the tail gas adsorption blocks on the lifting plates automatically fall off. The invention can automatically determine whether the tail gas adsorption block needs to be replaced, and when the tail gas adsorption block needs to be replaced, the tail gas adsorption block is automatically detached and installed, 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 tail gas treatment device for silicon dioxide production.
Background
Because the tail gas generated in the production process of the fumed silica is the mixed gas containing a large amount of hydrogen chloride, chlorine and a small amount of silicon micropowder, the method has the characteristic of strong corrosiveness, and the tail gas produced in the production process of the fumed silica is often required to be introduced into a treatment solution for reaction treatment and then treated again by using a fixed adsorbent. When the dry adsorption method is used for treating the tail gas generated in the production of the silicon dioxide, the adsorbent with lower adsorption rate needs to be replaced frequently, and the adsorbent is automatically replaced, although the automatic replacement is defined by time, for example, the adsorbent is replaced every other week, but the amount of the tail gas treated every week is different, if the treatment amount is smaller, the adsorbent can be used, and the direct replacement causes waste; if the throughput is large, the adsorbent should be replaced early. Accordingly, there is a need to provide a silica production tail gas treatment device which aims to solve the above problems.
Disclosure of Invention
The invention aims to provide a tail gas treatment device for silicon dioxide production, and aims to solve the problems in the background art.
In order to achieve the above object, the present invention provides a device for treating tail gas in silica production, comprising a tail gas adsorption box, wherein an air inlet is arranged at the bottom of the tail gas adsorption box, an air outlet is arranged at the top of the tail gas adsorption box, a tail gas adsorption block is arranged in the tail gas adsorption box, and the device for treating tail gas further comprises:
the lifting plate is used for installing the tail gas adsorption block, the lifting plate is connected with the top of the tail gas adsorption box through a first reset spring, the two sides of the lifting plate are connected with sliding blocks, the inner side surface of the tail gas adsorption box is provided with sliding grooves, the sliding blocks slide along the sliding grooves, pairs of inclined plates are movably installed on the lifting plate, a trapezoid clamping groove is formed in the tail gas adsorption block, and the inclined plates are clamped into the trapezoid clamping groove;
the storage box is used for storing the tail gas adsorption blocks, a plurality of tail gas adsorption blocks are vertically stacked in the storage box, the storage box is communicated with the inside of the tail gas adsorption box through a through hole, the lowest tail gas adsorption block is connected with the inner wall of the through hole in a sliding fit manner, and a linear driving element is fixedly arranged on the storage box; and
the device comprises a first pressure sensor and a second pressure sensor, wherein the first pressure sensor and the second pressure sensor are used for sensing the position of a lifting plate, the first pressure sensor is arranged on the top surface of a chute, the second pressure sensor is arranged on the bottom surface of the chute, a moving assembly which enables a pair of inclined plates to move in opposite directions 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 the lowest tail gas adsorption block on the lifting plate; when the sliding block is in contact with the second pressure sensor, the moving assembly enables the paired inclined plates to be close to each other, and the tail gas adsorption blocks on the lifting plates automatically fall off.
As a further scheme of the invention, the moving assembly comprises a fixed guide shaft, an electromagnet and a second reset spring, wherein 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 arranged 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 reset 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 invention, the second return springs are wound on the outer sides of the fixed guide shafts, the cross sections of the paired inclined plates are in an eight shape, and the trapezoid clamping grooves penetrate through the upper surfaces of the tail gas adsorption blocks.
As a further scheme of the invention, the exhaust gas treatment device further comprises a controller, and the first pressure sensor, the second pressure sensor, the linear driving element and the electromagnet are electrically connected with the controller.
As a further scheme of the invention, the bottom surface of the tail gas adsorption box is fixedly connected with an air inlet pipe, an electromagnetic valve is arranged 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 an air 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 opening is arranged on the side surface of the bottom of the tail gas adsorption box, and a sealing door is arranged at the cleaning opening.
In summary, the beneficial effects of the invention are as follows:
the invention can automatically determine whether the tail gas adsorption block needs to be replaced or not through the adsorption quantity, the replacement time is more accurate, and when the tail gas adsorption block needs to be replaced, the tail gas adsorption block is automatically detached and installed, and the use is convenient. Specifically, when the sliding block is in contact with the second pressure sensor, the tail gas adsorption blocks need to be replaced to ensure the adsorption efficiency, at the moment, the paired inclined plates are mutually close, and the tail gas adsorption blocks on the lifting plates fall off, so that automatic disassembly is completed; then, the lifter plate can upwards move until when the slider contacts with first pressure sensor, the straight line driving element impels the tail gas adsorption block of below in the tail gas adsorption box for the hang plate slides into trapezoidal draw-in groove, and the tail gas adsorption block of below is installed on the lifter plate, has accomplished automatic installation.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
fig. 1 is a schematic diagram of an internal structure of a tail gas treatment device for silica production according to an embodiment of the present invention.
Fig. 2 is an enlarged partial schematic view at a in fig. 1.
Fig. 3 is a side sectional view of a lifter plate in an exhaust gas treatment device for silica production according to an embodiment of the present invention.
Fig. 4 is a top view of a lifter plate in an exhaust gas treatment device for silica production according to an embodiment of the present invention.
Reference numerals: the device comprises a 1-tail gas adsorption box, a 2-gas inlet pipe, a 3-gas inlet, a 4-gas outlet, a 5-first return spring, a 6-lifting plate, a 61-ventilation groove, a 7-inclined plate, an 8-first pressure sensor, a 9-sliding groove, a 10-second pressure sensor, a 11-cleaning port, a 12-sealing door, a 13-tail gas adsorption block, a 14-storage box, a 15-linear driving element, a 16-through port, a 17-sliding block, a 20-trapezoid cavity, a 21-fixed guide shaft, a 22-electromagnet, a 23-second return spring and a 24-trapezoid clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1, 2 and 3, the device for treating tail gas in silica production provided by the embodiment of the invention comprises a tail gas adsorption box 1, wherein an air inlet 3 is arranged at the bottom of the tail gas adsorption box 1, an air outlet 4 is arranged at the top of the tail gas adsorption box 1, a tail gas adsorption block 13 is arranged in the tail gas adsorption box 1, and the device for treating tail gas further comprises:
the lifting plate 6 for installing the tail gas adsorption block 13 is connected with the top of the tail gas adsorption box 1 through the 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, the two sides of the lifting plate 6 are connected with sliding blocks 17, the inner side surface of the tail gas adsorption box 1 is provided with sliding grooves 9, the sliding blocks 17 slide along the sliding grooves 9, the lifting plate 6 is movably provided with paired inclined plates 7, the tail gas adsorption block 13 is provided with a trapezoidal clamping groove 24, the inclined plates 7 are clamped into the trapezoidal clamping groove 24, and the tail gas adsorption block 13 is successfully installed;
the storage box 14 is used for storing the tail gas adsorption blocks 13, the storage box 14 is fixedly arranged on one side of the 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 inside of the tail gas adsorption box 1 through a through hole 16, when the lifting plate 6 is positioned at the uppermost part, 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 lowermost part 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 arranged on the storage box 14; and
the device comprises a first pressure sensor 8 and a second pressure sensor 10 for sensing the position of a lifting plate 6, wherein the first pressure sensor 8 is arranged on the top surface of a chute 9, the second pressure sensor 10 is arranged on the bottom surface of the chute 9, a moving assembly for enabling a pair of inclined plates 7 to move oppositely is arranged 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 bottommost tail gas adsorption block 13 into the tail gas adsorption box 1, the inclined plates 7 slide into a trapezoid clamping groove 24, and the bottommost tail gas adsorption block 13 is arranged on the lifting plate 6; when the sliding block 17 is in contact with the second pressure sensor 10, the moving assembly enables the paired inclined plates 7 to be close to each other, the tail gas adsorption block 13 on the lifting plate 6 automatically falls off, and the tail gas adsorption block 13 falls on the bottom of the tail gas adsorption box 1.
In this 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 guiding 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 guiding shaft 21 is fixedly connected with two sides of the trapezoidal cavity 20, the fixed guiding shaft 21 is horizontally disposed, the electromagnet 22 is fixedly installed in the middle of the fixed guiding shaft 21, a guiding through hole is disposed on the inclined plate 7, an inner wall of the guiding through hole is connected with the fixed guiding shaft 21 in a sliding fit manner, the electromagnet 22 is connected with the inclined plate 7 through a 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 a side surface of the trapezoidal cavity 20, only when the electromagnet 22 is energized, the two inclined plates 7 are close to each other, the second return spring 23 is wound on the outer side of the fixed guiding shaft 21, a section of the paired inclined plates 7 is in a "eight" shape ", and the trapezoidal clamping groove 24 penetrates through the upper surface of the adsorption block 13.
In this embodiment of the present invention, the exhaust gas treatment device further includes a controller (not shown in the drawing), and the first pressure sensor 8, the second pressure sensor 10, the linear driving element 15, and the electromagnet 22 are all electrically connected to the controller. During normal use, the lifting plate 6 is provided with the tail gas adsorption block 13, the tail gas adsorption block 13 is filled with an adsorbent, tail gas produced by silicon dioxide can be treated, the tail gas adsorption block 13 is heavier and heavier along with the continuous absorption of impurities by the adsorbent, the tail gas adsorption block 13 needs to be replaced until the sliding block 17 is contacted with the second pressure sensor 10 to ensure the adsorption efficiency, at the moment, the second pressure sensor 10 transmits signals to the controller, the controller energizes the electromagnets 22, the paired inclined plates 7 are mutually close, the tail gas adsorption block 13 on the lifting plate 6 automatically falls off, and the tail gas adsorption block 13 falls on the bottom of the tail gas adsorption box 1, so that the automatic disassembly is completed; then, the lifting plate 6 will move upwards until when the slider 17 contacts with the first pressure sensor 8, the linear driving element 15 pushes the lowest tail gas adsorption block 13 into the tail gas adsorption box 1, so that the inclined plate 7 slides into the trapezoidal clamping groove 24, and the lowest tail gas adsorption block 13 is mounted on the lifting plate 6, thus completing automatic mounting and being convenient to use.
Referring to fig. 1, 2, 3 and 4, in one embodiment of the present invention, an air inlet pipe 2 is fixedly connected to the bottom surface of the exhaust gas adsorption tank 1, and an electromagnetic valve is installed on the air inlet pipe 2 and is electrically connected to a controller. When the sliding block 17 contacts with the second pressure sensor 10, the electromagnetic valve is closed by the controller, when the sliding block 17 contacts with the first pressure sensor 8 for a certain time, the electromagnetic valve is opened by the controller, and a time relay is arranged in the controller, so that the tail gas adsorption block 13 is ensured not to pass through the tail gas adsorption box 1 in the replacement process.
In the embodiment of the present invention, the surface of the lifting plate 6 is provided with the ventilation groove 61, so that the tail gas can smoothly pass through the tail gas adsorption box 1, the tail gas adsorption block 13 can completely block the ventilation groove 61, the top of the storage box 14 is provided with the storage box door, and the storage box door is opened to supplement the tail gas adsorption block 13 into the storage box 14.
In the embodiment of the invention, the side surface of the bottom of the tail gas adsorption box 1 is provided with a cleaning opening 11, 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.
It will be apparent to those skilled in the art that although several embodiments and examples of the present invention have been described, these embodiments and examples are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other modes, 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 their equivalents.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a silicon dioxide production tail gas processing apparatus, includes the tail gas adsorption case, the bottom of tail gas adsorption case is provided with the air inlet, and the top of tail gas adsorption case is provided with the gas outlet, and the inside of tail gas adsorption case is provided with the tail gas adsorption piece, its characterized in that, tail gas processing apparatus still includes:
lifting plate for installing tail gas adsorption block, wherein the lifting plate is connected with the top of the tail gas adsorption box through a first reset spring
The tail gas adsorption device comprises a tail gas adsorption box, a tail gas adsorption plate, a pair of inclined plates, a sliding chute and a lifting plate, wherein the two sides of the lifting plate are connected with the sliding chute, the sliding chute is arranged on the inner side surface of the tail gas adsorption box, the sliding chute slides along the sliding chute, the lifting plate is movably provided with the paired inclined plates, the tail gas adsorption block is provided with a trapezoid clamping groove, and the inclined plates are clamped into the trapezoid clamping groove;
the storage box is used for storing the tail gas adsorption blocks, a plurality of tail gas adsorption blocks are vertically stacked in the storage box, the storage box is communicated with the inside of the tail gas adsorption box through a through hole, the lowest tail gas adsorption block is connected with the inner wall of the through hole in a sliding fit manner, and a linear driving element is fixedly arranged on the storage box; and
the device comprises a first pressure sensor and a second pressure sensor, wherein the first pressure sensor and the second pressure sensor are used for sensing the position of a lifting plate, the first pressure sensor is arranged on the top surface of a chute, the second pressure sensor is arranged on the bottom surface of the chute, a moving assembly which enables a pair of inclined plates to move in opposite directions 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 the lowest tail gas adsorption block on the lifting plate; when the sliding block is in contact with the second pressure sensor, the moving assembly enables the paired inclined plates to be close to each other, and the tail gas adsorption blocks on the lifting plates automatically fall off.
2. The silica production tail gas treatment device according to claim 1, wherein the moving assembly comprises a fixed guide shaft, an electromagnet and a second reset spring, wherein a trapezoidal cavity is formed in 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 reset spring, and the inclined plate is ferromagnetic and is in close contact with the side face of the trapezoidal cavity when the electromagnet is not electrified.
3. The silica production tail gas treatment device according to claim 2, wherein the second return springs are wound on the outer sides of the fixed guide shafts, the cross sections of the paired inclined plates are in an eight shape, and the trapezoid clamping grooves penetrate through the upper surfaces of the tail gas adsorption blocks.
4. The silica production tail gas treatment apparatus of claim 2, further comprising a controller, wherein the first pressure sensor, the second pressure sensor, the linear drive element, and the electromagnet are electrically connected to the controller.
5. The silica production tail gas treatment device according to claim 4, wherein the bottom surface of the tail gas adsorption box is fixedly connected with an air inlet pipe, an electromagnetic valve is arranged on the air inlet pipe, and the electromagnetic valve is electrically connected with a controller.
6. The silica production tail gas treatment device according to claim 1, wherein the surface of the lifting plate is provided with a ventilation groove, and a storage box door is mounted on the top of the storage box.
7. The silica production tail gas treatment device according to claim 1, wherein a cleaning opening is formed in the side face of the bottom of the tail gas adsorption box, and a sealing door is arranged at the cleaning opening.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN115501727A CN115501727A (en) | 2022-12-23 |
| CN115501727B true CN115501727B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211199856.7A Active CN115501727B (en) | 2022-09-29 | 2022-09-29 | Tail gas treatment device for silicon dioxide production |
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| US5120331A (en) * | 1990-02-06 | 1992-06-09 | Keith Landy | Composite gas filtering unit |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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2022
- 2022-09-29 CN CN202211199856.7A patent/CN115501727B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5120331A (en) * | 1990-02-06 | 1992-06-09 | Keith Landy | Composite gas filtering unit |
| 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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| CN115501727A (en) | 2022-12-23 |
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