GB2619411A - Exhaust gas emission circulation filtering apparatus for air pollution prevention - Google Patents
Exhaust gas emission circulation filtering apparatus for air pollution prevention Download PDFInfo
- Publication number
- GB2619411A GB2619411A GB2306434.8A GB202306434A GB2619411A GB 2619411 A GB2619411 A GB 2619411A GB 202306434 A GB202306434 A GB 202306434A GB 2619411 A GB2619411 A GB 2619411A
- Authority
- GB
- United Kingdom
- Prior art keywords
- delivery circuit
- filtering net
- filtering
- conveyor
- air outlets
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 111
- 230000002265 prevention Effects 0.000 title claims description 7
- 238000003915 air pollution Methods 0.000 title description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- 238000005406 washing Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 235000019645 odor Nutrition 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002912 waste gas 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
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0052—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation
- B01D46/0054—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation with translational movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/16—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces arranged on non-filtering conveyors or supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/18—Particle separators, e.g. dust precipitators, using filtering belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/18—Particle separators, e.g. dust precipitators, using filtering belts
- B01D46/22—Particle separators, e.g. dust precipitators, using filtering belts the belts travelling during filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/79—Regeneration of the filtering material or filter elements inside the filter by liquid process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
- B01D2273/30—Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
A filtering apparatus 100 includes an exhaust pipe 10, multiple air exhaust devices 20, a conveyor 30, a filtering net 40, a tank washing device 50, and a cleaning device 60. The exhaust pipe includes multiple air outlets 11, and the air exhaust devices 20 are mounted on the exhaust pipe and are located at an outside of the air outlets. The conveyor includes a first delivery circuit 31 and a second delivery circuit 32. The first delivery circuit and the second delivery circuit form a two stage rotation loop and the filtering net extends through the first delivery circuit and the second delivery circuit. The tank washing device is arranged in the second delivery circuit and includes a liquid tank in which a cleaning device is mounted. When the filtering net is moved in the first delivery circuit, the filtering net performs a filtering process. When the filtering net is moved in the second delivery circuit, the filtering net performs a cleaning process.
Description
EXHAUST GAS EMISSION CIRCULATION FILTERING APPARATUS FOR AIR POLLUTION PREVENTION
[0001] BACKGROUND OF THE INVENTION
[0002] Field of the Invention
[0003] The present invention relates to a filtering apparatus and, more particularly, to an exhaust gas emission circulation filtering (or purifying) apparatus for air pollution prevention.
[ 0004] Description of the Related Art
[ 0005] Nowadays, waste gas and black smoke generated during a waste burning process not only discharge pollutants into the air, but also release a large amount of carbon dioxide, which leads to climate change and serious air pollution. The air pollution is a global problem and has almost seriously affected health of the human body. In order to improve emission of the exhaust gas, sprinkler equipment is generally installed on the chimney to absorb dirt by spraying atomized liquid, so as to reduce the damage caused by black smoke to the environment. However, the temperature of the chimney is too high, so that the water spray system installed on the chimney is easily damaged due to the high temperature.
[0006] BRIEF SUMMARY OF THE INVENTION
[0007] In accordance with the present invention, there is provided a filtering apparatus comprising: an exhaust pipe, multiple air exhaust devices, a conveyor, a filtering net, a tank washing device, and a cleaning device. The exhaust pipe includes multiple air outlets. The air exhaust devices are mounted on the exhaust pipe and located at an outside of the air outlets. The air exhaust devices align with the air outlets respectively. The conveyor includes a first delivery circuit extending in a horizontal axial direction and a second delivery circuit extending in a vertical longitudinal direction. The first delivery circuit extends through the air outlets. The second delivery circuit connects the first delivery circuit. The first delivery circuit and the second delivery circuit form a two-stage rotation loop. The filtering net extends through the first delivery circuit and the second delivery circuit and is movable reciprocatingly in the two-stage rotation loop of the first delivery circuit and the second delivery circuit. The tank washing device is arranged in the second delivery circuit and includes a liquid tank. The cleaning device is mounted in the tank washing device and includes multiple rolling shafts. Each of the rolling shafts is provided with multiple brushes. The conveyor is electrically connected with an external power supply. The conveyor is operated by the external power supply to drive the filtering net. The filtering net is driven by the conveyor and moves along the two-stage rotation loop of the conveyor reciprocatingly. When the filtering net is moved in the first delivery circuit a -id passes through the air outlets, the filtering net performs a filtering process. When the filtering net is moved in the second delivery circuit, the filtering net performs a cleaning process and is washed and cleaned by the tank washing device and the cleaning device. The filtering net is moved between the first delivery circuit and the second delivery circuit to perform two-stage purifying circulation reciprocatingly to drain a purified gas from the air exhaust devices.
[0008] Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
[0009] BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS) [0010] FIG. 1 is a block flow chart of a filtering apparatus in accordance with the present invention.
[ 0011] FIG. 2 is a top view of the filtering apparatus in accordance with the present invention.
[0012] FIG. 3 is a side view of the filtering apparatus in accordance with the present invention.
[0013] FIG. 4 is a schematic operational view of the filtering apparatus as shown in FIG. 3.
[0014] FIG. 5 is another schematic operational view of the filtering apparatus applied for a burner.
[0015] FIG. 6 is a schematic view showing a filtering net is driven by a conveyor.
[0016] FIG. 7 is a schematic view showing a deflection prevention device.
[0017] FIG. 8 is a locally enlarged view of FIG. 6.
[0018] FIG. 9 is a locally enlarged cross-sectional view of FIG, 6.
[0019] FIG. 10 is a locally enlarged top view of FIG. 6.
[0020] FIG. 11 is a locally enlarged perspective view of FIG. 6.
[0021] DETAILED DESCRIPTION OF THE INVENTION
[0022] Referring to the drawings and initially to FIGS. 1-6, a filtering apparatus 100 in accordance with the preferred embodiment of the present invention comprises an exhaust pipe 10, multiple air exhaust devices 20, a conveyor 30, a filtering (or straining) net 40, a tank washing device 50, and a cleaning device 60.
[ 00231 The exhaust pipe 10 includes multiple air outlets 11. The air exhaust devices 20 are mounted on the exhaust pipe 10 and located at an outside of the air outlets 11. The air exhaust devices 20 align with the air outlets 11 respectively. The conveyor 30 includes a first delivery circuit 31 extending in a horizontal axial direction and a second delivery circuit 32 extending in a vertical longitudinal direction. The first delivery circuit 31 extends through the air outlets 11. The second delivery circuit 32 connects the first delivery circuit 31. The first delivery circuit 31 and the second delivery circuit 32 form a two-stage rotation loop. The filtering net 40 extends through the first delivery circuit 31 and the second delivery circuit 32 and is movable reciprocatingly in the two-stage rotation loop of the first delivery circuit 31 and the second delivery circuit 32. The tank washing device 50 is arranged in the second delivery circuit 32 and includes a liquid tank 51 that contains alkaline washing liquid. The cleaning device 60 is mounted in the liquid tank 51 of the tank washing device 50 and includes multiple rolling shafts 61 arranged in an interval. Each of the rolling shafts 61 is provided with multiple brushes 62 that are used to wash and clean the filtering net 40.
[ 0024] in the preferred embodiment of the present invention, the first delivery circuit 31 and the second delivery circuit 32 are perpendicular to each other.
[0025] In the preferred embodiment of the present invention, the conveyor 30 includes multiple rolls (or rollers) 301 pressing the filtering net 40. The rolls 301 are arranged in the first delivery circuit 31 and the second delivery circuit 32 and rotated simultaneously to move the filtering net 40.
[0026] In the preferred embodiment of the present invention, the filtering net 40 is made of a composite fabric with one layer or multiple layers.
[ 0027] In the preferred embodiment of the present invention, the filtering net 40 is made of an active (or activated) carbon or a HEPA high efficiency filter screen.
[ 0028] In the preferred embodiment of the present inven ion, the filtering net 40 is a wet filtering net. Thus, the water molecules are adhered to the filtering net 40 by a surface tension to form a water film layer on the filtering net 40 so that the filtering net 40 forms an isolating layer to isolate fine suspended particles (such as PM2.5) and to prevent odors from being spread.
[ 0029] In the preferred embodiment of the present invention, the air exhaust devices 20 have a number matching that of the air outlets 11 of the exhaust pipe 10.
[ 0030] In the preferred embodiment of the present invention, the tank washing device 50 further includes multiple dust collecting containers (or tubes or canisters or cylinders) 52 removably mounted on a bottom of the liquid tank 51, and multiple movable ports 53 mounted between the liquid tank 51 and one of the dust collecting containers 52. The dirt in the liquid tank 51 is drained through the movable ports 53 into the dust collecting containers 52, Each of the dust collecting containers 52 can be removed from the liquid tank 51 for maintenance.
[ 0031] In the preferred embodiment of the present invention, the second delivery circuit 32 passes through the liquid tank 51 of the tank washing device 50 and the cleaning device 60.
0032] In the preferred embodiment of the present invention, the tank washing device 50 is disposed under the air outlets 11 of the exhaust pipe 10.
[ 0033] In the preferred embodiment of the present invention, the air outlets 11 are located at a peripheral wall of the exhaust pipe 10. The exhaust pipe 10 has an interior provided with a hollow channel and has a bottom connected to an air inlet of a burner to deliver burned gas drained from the burner.
[0034] In the preferred embodiment of the present invention, each of the air exhaust devices 20 is a centrifugal fan that is rotated to produce an air power or a suction force to drain the purified gas from the exhaust pipe 10.
0035] In the preferred embodiment of the present invention, the first delivery circuit 31 is in the horizontal axial direction the same as that of the air outlets 11.
[0036] In the preferred embodiment of the present invention, each of the rolls 301 has a. ratchet surface A that engages the filtering net 40 to provide an auxiliary pulling force to the filtering net 40.
[0037] In the preferred embodiment of the present invention, the filtering net 40 is an elongate strip that encircles the first delivery circuit 31 and the second delivery circuit 32.
[0038] In the preferred embodiment of the present invention, when the filtering net 40 is moved in the first delivery circuit 31 and passes through the air outlets 11, the filtering net 40 performs a filtering process X1 to filter the exhaust gas drained from the air outlets 11 of the exhaust pipe 10, and to adhere harmful substances contained in the exhaust gas, such as micro particles, powder dust, suspended particles or the like. The purified gas is drawn outward from the air exhaust devices 20. In addition, when the filtering net 40 is moved in the second delivery circuit 32, the filtering net 40 is washed and cleaned by the tank washing device 50 and the cleaning device 60 to perform a cleaning process X2. At this time, the filtering net 40 is wet and contains water molecules which are adhered to the filtering net 40 by a surface tension to reduce a straining density of the filtering net 40 such that the filtering net 40 is used to filter micro molecules. At the same time, a water film layer is formed on and adhered to the filtering net 40 so that the filtering net 40 -forms an isolating layer to stick harmful substances and adhere odors. After the filtering net 40 is cleaned, the filtering net 40 is delivered to the first delivery circuit 31. Thus, the filtering net 40 is delivered to the first delivery circuit 31 to perform a filtering process XI for filtering the exhaust gas drained from the air outlets 11 of the exhaust pipe 10, and is then delivered to the second delivery circuit 32 to perform a cleaning process X2. In such a manner, the filtering net 40 is moved between the first delivery circuit 31 and the second delivery circuit 32 to perform a two-stage purifying circulation reciprocatingly and to drain a purified gas from the air exhaust devices 20.
[0039] In practice, referring to FIGS. 4 and 5 with reference to FIGS. 1-3, the conveyor 30 is electrically connected with an external power supply 80. The conveyor 30 is operated by the external power supply 80 to drive the filtering net 40. The filtering net 40 is driven by the conveyor 30 and encircles and moves along the two-stage rotation loop of the first delivery circuit 31 and the second delivery circuit 32 of the conveyor 30 reciprocatingly. When the filtering net 40 is moved in the first delivery circuit 31 and passes through the air outlets 11, the filtering net 40 strains air particles, impurities, and powder dust. When the filtering net 40 is moved in the second delivery circuit 32, the filtering net 40 is washed and cleaned by the tank washing device 50 and the cleaning device 60, so that the filtering net 40 is wet and contains water molecules which are adhered to the filtering net 40 by a surface tension to reduce a straining density of the filtering net 40 such that the filtering net 40 is used to filter micro molecules. At the same time, a water film layer is formed on and adhered to the filtering net 40 so that the filtering net 40 forms an isolating layer to stick harmful substances and to adhere odors. Thus, the filtering net 40 is moved in the first delivery circuit 31 to perform a filtering process X1 and is moved in the second delivery circuit 32 to perform a cleaning process X2, so that the filtering net 40 is moved between the first delivery circuit 31 and the second delivery circuit 32 as shown in FIG. 4 to perform two-stage purifying circulation reciprocatingly to drain a purified gas from the air exhaust devices 20 as shown in FIG. 5.
[0040] Referring to FIGS. 6-11 with reference to FIGS. 1-5, the filtering apparatus 100 further comprises a deflection prevention device 70 including multiple positioning seats 71 and multiple positioning snaps 72, The positioning seats 71 are mounted on two sides of each of the first delivery circuit 31 and the second delivery circuit 32 in a parallel manner. Each of the positioning seats 71 is provided with a C-shaped slot 711. The positioning snaps 72 are mounted on two sides of the filtering net 40 and align with the positioning seats 71 respectively. Each of the positioning snaps 72 is a C-shaped clamp or fastener. Each of the positioning snaps 72 is moved with the filtering net 40 and is allowed to pass through the C-shaped slot 711 of one of the positioning seats 71. A distance between two of the positioning snaps 72 is equal to that between the C-shaped slots 711 of two of the positioning seats 71. Thus, the deflection prevention device 70 is used to calibrate and retain the transport path of the filtering net 40 to prevent the filtering net 40 from being deflected or deviated during the delivery process.
[0041] Accordingly, the filtering net 40 is moved in the first delivery circuit 31 to perform a filtering process X1 and is moved in the second delivery circuit 32 to perform a cleaning process X2, so that the filtering net 40 is moved between the first delivery circuit 31 and the second delivery circuit 32 to perform two-stage exhaust gas purifying circulation reciprocatingly to drain a purified gas from the air exhaust devices 20, thereby enhancing the exhaust gas purifying effect.
[ 0042] Although the invention has been explained in relation to its preferred embodiment(s) as mentioned above, it is to be understood that many other possible modifications and variations can be made without departing from the scope of the present invention. It is, therefore, contemplated that the appended claim or claims will cover such modifications and variations that fall within the scope of the invention.
Claims (9)
- CLAIMS1. A filtering apparatus comprising: an exhaust pipe, multiple air exhaust devices, a conveyor, a filtering net, a tank washing device, and a cleaning device; wherein: the exhaust pipe includes multiple air outlets; the air exhaust devices are mounted on the exhaust pipe and located at an outside of the air outlets; the air exhaust devices align with the air outlets respectively; the conveyor includes a first delivery circuit extending in a horizontal axial direction and a second delivery circuit extending in a vertical longitudinal direction; the first delivery circuit extends through the air outlets; the second delivery circuit connects the first delivery circuit; the first delivery circuit and the second delivery circuit form a two-stage rotation loop; the filtering net extends through the first delivery circuit and the second delivery circuit and is movable reciprocatingly in the two-stage rotation loop of the first delivery circuit and the second delivery circuit; the tank washing device is arranged in the second delivery circuit and includes a liquid tank; the cleaning device is mounted in the tank washing device and includes multiple rolling shafts; each of the rolling shafts is provided with multiple brushes; the conveyor is electrically connected with an external power supply; the conveyor is operated by the external power supply to drive the filtering net; the filtering net is driven by the conveyor and moves along the two-stage rotation loop of the conveyor reciprocatingly; when the filtering net is moved in the first delivery circuit and passes through the air outlets, the filtering net performs a filtering process; when the filtering net is moved in the second delivery circuit, the filtering net performs a cleaning process and is washed and cleaned by the tank washing device and the cleaning device; and the filtering net is moved between the first delivery circuit and the second delivery circuit to perform two-stage purifying circulation reciprocatingly to drain a purified gas from the our exhaust devices.
- 2. The filtering apparatus as claimed in claim 1, wherein the first delivery circuit and the second delivery circuit are perpendicular to each other.
- 3. The filtering apparatus as claimed in claim 1, wherein the conveyor includes multiple rolls pressing the filtering net.
- 4. The filtering apparatus as claimed in claim I, wherein the filtering net is made of a composite fabric with one layer or multiple layers.
- 5. The filtering apparatus as claimed in claim 3, wherein the filtering net is made of an active carbon or a HEPA high efficiency filter screen.
- 6. The filtering apparatus as claimed in claim 3, wherein the filtering net is a wet filtering net.
- 7. The filtering apparatus as claimed in claim 1, wherein the air exhaust devices have a number matching that of the air outlets of the exhaust pipe.
- 8. The filtering apparatus as claimed in claim 1, wherein the tank washing device further includes multiple dust collecting containers removably mounted on a bottom of the liquid tank.
- 9. The filtering apparatus as claimed in claim 1, further comprising: a deflection prevention device including multiple positioning seats and multiple positioning snaps; wherein: each of the positioning seats is provided with a C-shaped slot; the positioning seats are mounted on two sides of each of the first delivery circuit and the second delivery circuit; the positioning snaps are mounted on two sides of the filtering net and align with the positioning seats respectively; and each of the positioning snaps is moved with the filtering net and is allowed to pass through the C-shaped slot of one of the positioning seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2306434.8A GB2619411A (en) | 2023-05-02 | 2023-05-02 | Exhaust gas emission circulation filtering apparatus for air pollution prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2306434.8A GB2619411A (en) | 2023-05-02 | 2023-05-02 | Exhaust gas emission circulation filtering apparatus for air pollution prevention |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB202306434D0 GB202306434D0 (en) | 2023-06-14 |
| GB2619411A true GB2619411A (en) | 2023-12-06 |
Family
ID=86691891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2306434.8A Pending GB2619411A (en) | 2023-05-02 | 2023-05-02 | Exhaust gas emission circulation filtering apparatus for air pollution prevention |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2619411A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110030323A1 (en) * | 2008-05-07 | 2011-02-10 | Vinson Wade D | Discharging air filter |
-
2023
- 2023-05-02 GB GB2306434.8A patent/GB2619411A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110030323A1 (en) * | 2008-05-07 | 2011-02-10 | Vinson Wade D | Discharging air filter |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202306434D0 (en) | 2023-06-14 |
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