CN219519953U - Environment-friendly dust removal equipment for building decoration - Google Patents

Environment-friendly dust removal equipment for building decoration Download PDF

Info

Publication number
CN219519953U
CN219519953U CN202320285531.4U CN202320285531U CN219519953U CN 219519953 U CN219519953 U CN 219519953U CN 202320285531 U CN202320285531 U CN 202320285531U CN 219519953 U CN219519953 U CN 219519953U
Authority
CN
China
Prior art keywords
dust
dust removal
push rod
guide
building decoration
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.)
Active
Application number
CN202320285531.4U
Other languages
Chinese (zh)
Inventor
常正福
龚宜冬
陈苏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hengshengtong Construction Co ltd
Original Assignee
Jiangsu Hengshengtong Construction Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Hengshengtong Construction Co ltd filed Critical Jiangsu Hengshengtong Construction Co ltd
Priority to CN202320285531.4U priority Critical patent/CN219519953U/en
Application granted granted Critical
Publication of CN219519953U publication Critical patent/CN219519953U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The utility model discloses environment-friendly dust removal equipment for building decoration, which comprises a bottom plate, a first dust removal component, a second dust removal component and an adjusting component; a bottom plate: casters are symmetrically arranged on four corners of the lower surface of the base plate, a push rod is arranged on the right side surface of the base plate, a control switch group is arranged at the upper end of the push rod, the input end of the control switch group is electrically connected with an external power supply, an electric push rod is arranged at the left end of the upper surface of the base plate, a Z-shaped plate is arranged at the top end of the electric push rod, a dust hood is rotatably connected to the left end of the Z-shaped plate through a rotating shaft, a conduit II is arranged at the air outlet end of the dust hood, the input end of the electric push rod is electrically connected with the output end of the control switch group, and a fixing frame is arranged in the middle of the upper surface of the base plate; dust removal subassembly one: the inside of fixed connection in the mount, the upper end of dust removal subassembly one is equipped with the draught fan, this building decoration environmental protection dust collecting equipment, structural design is novel, handles building dust multistage, reduces the excessive of dust, has improved the dust removal effect, and the practicality is strong.

Description

Environment-friendly dust removal equipment for building decoration
Technical Field
The utility model relates to the technical field of dust removal equipment, in particular to environment-friendly dust removal equipment for building decoration.
Background
The building construction refers to the production activity of engineering construction implementation stage, which is the construction process of various buildings, and can be said to be the process of changing various lines on a design drawing into real objects at a designated place. The method comprises foundation engineering construction, main body structure construction, roof engineering construction, decoration engineering construction and the like. The construction operation place is called a building construction site or a construction site, and in real life, a large amount of garbage and dust can appear when building decoration is carried out, and dust-containing gas not only affects the working environment, but also is easy to damage the body of staff, the existing building decoration environment-friendly dust removal equipment generally only simply utilizes a filter screen to separate and filter building dust, however, more fine dust particles still exist in the discharged airflow, the dust removal effect cannot be eliminated, and therefore, the building decoration environment-friendly dust removal equipment is provided.
Disclosure of Invention
The utility model aims to overcome the existing defects, provides the environment-friendly dust removal equipment for building decoration, has novel structural design, performs multistage treatment on building dust, reduces overflow of the dust, improves the dust removal effect, has strong practicability, and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an environment-friendly dust removal device for building decoration comprises a bottom plate, a first dust removal component, a second dust removal component and an adjusting component;
a bottom plate: casters are symmetrically arranged on four corners of the lower surface of the base plate, a push rod is arranged on the right side surface of the base plate, a control switch group is arranged at the upper end of the push rod, the input end of the control switch group is electrically connected with an external power supply, an electric push rod is arranged at the left end of the upper surface of the base plate, a Z-shaped plate is arranged at the top end of the electric push rod, a dust hood is rotatably connected with the left end of the Z-shaped plate through a rotating shaft, a conduit II is arranged at the air outlet end of the dust hood, the input end of the electric push rod is electrically connected with the output end of the control switch group, and a fixing frame is arranged in the middle of the upper surface of the base plate;
dust removal subassembly one: the dust removal device comprises a fixed frame, a dust removal assembly I, a control switch group, a guide pipe I, a dust removal assembly I and a dust removal assembly II, wherein the fixed frame is fixedly connected with the inside of the fixed frame;
dust removal subassembly two: the right end of the first guide pipe is matched with the second dust removing component;
and an adjusting assembly: set up in the left end leading flank of Z template, the pivot fixed connection of adjusting part and Z template left end, structural design is novel, handles building dust multistage, reduces the excessive of dust, has improved the dust removal effect, and the practicality is strong.
Further, dust removal subassembly one includes draft tube, dust hopper and stand pipe, draft tube fixed connection is in the inside of mount, the lower extreme threaded connection of draft tube has the dust hopper, the end of giving vent to anger of pipe two and the lateral wall upper end fixed connection of draft tube, the inside intercommunication of pipe two and draft tube, the stand pipe sets up in the roof middle part of draft tube, the lower extreme of stand pipe extends to the lower extreme dust outlet department of draft tube, the roof of draft tube is equipped with the draught fan, the air inlet of draught fan sets up with the gas outlet cooperation that the draft tube roof set up, the supporting shoe has been placed at the upper surface middle part of bottom plate, the upper surface of supporting shoe and the lower surface contact of dust hopper collect and assemble building decoration dust.
Further, the first dust removing component further comprises a primary filter screen, the primary filter screen is arranged on the lower surface of the guide tube, building dust is filtered, and the collection effect is improved.
Furthermore, the first dust removing component further comprises a spiral guide vane, and the spiral guide vane annular array is arranged on the inner wall of the guide cylinder, so that air flow spirally flows, the movement inertia of dust is improved, and separation of building dust and air flow is facilitated.
Further, the second dust removing component comprises a water tank, the water tank is arranged at the right end of the upper surface of the bottom plate, and the right end of the first guide pipe extends to the inside of the water tank to carry out sedimentation filtration on residual building dust.
Further, the second dust removing component further comprises a secondary filter screen, the secondary filter screen is arranged on the upper surface of the water tank, the right end of the first guide pipe penetrates through a through hole formed in the middle of the secondary filter screen, air flow is further filtered, and the dust removing effect is improved.
Further, the adjusting part includes worm wheel, riser and worm, the pivot fixed connection of worm wheel and Z template left end, the riser parallel arrangement is in the left end leading flank of Z template, the worm rotates with the inside of two risers respectively and is connected, the worm is connected with the worm wheel meshing, the right-hand member of worm is equipped with the hand wheel, is convenient for adjust the angle of dust hood, makes the dust hood absorb the dust of getting rid of in the air.
Compared with the prior art, the utility model has the beneficial effects that: this building decoration environmental protection dust collecting equipment has following benefit:
the induced draft fan is started through the control switch group, the induced draft fan works to enable the inside of the guide cylinder to form negative pressure, outside air passes through the dust hood and the inside of the guide cylinder is led into by the second guide pipe, the in-process that air flows brings building dust into the inside of the guide cylinder, and flow downwards under the guide effect of the spiral guide vane, inside backward flow entering guide pipe of air flow entering the inside of dust hopper, part of dust inside the air flow enters the inside of the dust hopper and is collected due to inertia, the other part flows along with the air flow and is filtered and blocked by the primary filter screen, the air flow inside the guide pipe is conveyed to the inside of the water tank through the first guide pipe, dust is precipitated after meeting water, the air flow overflows to the outside, at this moment, small part of fine building dust still has no contact with water under the bubble isolation effect formed by the air flow, the secondary filter screen filters the residual dust again, guarantee dust removal quality, start electric push rod through the control switch group, push rod of electric push Z template moves upwards, and then drive the dust hood upwards to move, make the dust hood keep away from the ground, the worm rotates through the pivot with the worm wheel meshing to drive Z template left end, thereby drive the dust hood to rotate, thereby adjust the angle of the dust hood, the building dust removal device is designed to remove dust, the dust is more than practical, the dust is removed, and the dust is removed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional plan view of a guide shell of the present utility model;
fig. 3 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1 a bottom plate, 2 a push rod, 3 a control switch group, 4 casters, 5 a dust removing component I, 51 a guide cylinder, 52 a dust collecting hopper, 53 a guide pipe, 54 a primary filter screen, 55 a spiral guide vane, 6 a dust removing component II, 61 a water tank, 62 a secondary filter screen, 7 an electric push rod, 8 a Z-shaped plate, 9 a regulating component, 91 a worm wheel, 92 a vertical plate, 93 a worm, 10 a dust collecting cover, 11 a supporting block, 12 a draught fan, 13 a first guide pipe and 14 a second guide pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present embodiment provides a technical solution: an environment-friendly dust removal device for building decoration comprises a bottom plate 1, a first dust removal component 5, a second dust removal component 6 and an adjusting component 9;
the base plate 1: casters 4 are symmetrically arranged on four corners of the lower surface of the base plate, a push rod 2 is arranged on the right side surface of the base plate 1, a control switch group 3 is arranged at the upper end of the push rod 2, the input end of the control switch group 3 is electrically connected with an external power supply, an electric push rod 7 is arranged at the left end of the upper surface of the base plate 1, a Z-shaped plate 8,Z is arranged at the top end of the electric push rod 7, a dust hood 10 is rotatably connected with the left end of the plate 8 through a rotating shaft, a conduit II 14 is arranged at the air outlet end of the dust hood 10, the input end of the electric push rod 7 is electrically connected with the output end of the control switch group 3, and a fixing frame is arranged in the middle of the upper surface of the base plate 1;
dust removal subassembly one 5: the dust removing device is fixedly connected in the fixing frame, the upper end of the dust removing component I5 is provided with a draught fan 12, the input end of the draught fan 12 is electrically connected with the output end of the control switch group 3, the top end of the draught fan 12 is provided with a conduit I13, the air outlet end of the conduit II 14 is fixedly connected with the dust removing component I5, the dust removing component I5 comprises a guide cylinder 51, a dust collecting hopper 52 and a guide pipe 53, the guide cylinder 51 is fixedly connected in the fixing frame, the lower end of the guide cylinder 51 is in threaded connection with the dust collecting hopper 52, the air outlet end of the conduit II 14 is fixedly connected with the upper end of the side wall of the guide cylinder 51, the conduit II 14 is communicated with the inside of the guide cylinder 51, the guide pipe 53 is arranged in the middle of the top plate of the guide cylinder 51, the lower end of the guide pipe 53 extends to the dust outlet of the lower end of the guide cylinder 51, the top plate of the guide cylinder 51 is provided with the draught fan 12, the air inlet of the guide cylinder 12 is matched with the air outlet arranged on the top plate of the guide cylinder 51, the middle part of the upper surface of the bottom plate 1 is provided with a supporting block 11, the upper surface of the supporting block 11 is contacted with the lower surface of the dust hopper 52, the supporting block 11 is used for supporting the dust hopper 52, the vibration of the dust hopper 52 is reduced, the induced draft fan 12 is started, the induced draft fan 12 works to enable the inside of the guide cylinder 51 to form negative pressure, external air enters the inside of the guide cylinder 51 through the dust hood 10 and the second guide pipe 14, building dust is brought into the inside of the guide cylinder 51 in the air flowing process, the first dust removing component 5 further comprises a primary filter screen 54, the primary filter screen 54 is arranged on the lower surface of the guide pipe 53, air flows back into the inside of the guide pipe 53 after entering the inside of the dust hopper 52, part of the dust in the air flows into the inside of the dust hopper 52 due to inertia and is collected, the other part flows along with the air and is filtered and blocked by the primary filter screen 54, the first dust removing component 5 further comprises a spiral guide sheet 55, the spiral guide vane 55 is annularly arranged on the inner wall of the guide cylinder 51, so that the air flow spirally flows, the movement inertia of dust is improved, and the separation of building dust and the air flow is facilitated.
And a second dust removal assembly 6: the dust collection device is arranged at the right end of the upper surface of the bottom plate 1, the right end of the first guide pipe 13 is matched with the second dust collection component 6, the second dust collection component 6 comprises a water tank 61, the water tank 61 is arranged at the right end of the upper surface of the bottom plate 1, the right end of the first guide pipe 13 extends to the inside of the water tank 61, air flow in the guide pipe 53 is conveyed to the inside of the water tank 61 through the first guide pipe 13, dust is precipitated after meeting water, the air flow overflows to the outside and is used for carrying out sedimentation filtration on residual building dust, the second dust collection component 6 also comprises a secondary filter screen 62, the upper surface of the water tank 61 is provided with a secondary filter screen 62, the right end of the first guide pipe 13 passes through a through hole arranged in the middle of the secondary filter screen 62, the secondary filter screen 62 is used for carrying out secondary filtration on the residual dust, dust collection quality is guaranteed, and dust collection effect is improved.
Adjustment assembly 9: the adjusting component 9 is fixedly connected with a rotating shaft at the left end of the Z-shaped plate 8, the adjusting component 9 comprises a worm wheel 91, a vertical plate 92 and a worm 93, the worm wheel 91 is fixedly connected with the rotating shaft at the left end of the Z-shaped plate 8, the vertical plate 92 is arranged on the front side of the left end of the Z-shaped plate 8 in parallel, the worm 93 is respectively connected with the inner rotation of the two vertical plates 92, the worm 93 is meshed with the worm wheel 91, a hand wheel is arranged at the right end of the worm 93, the angle of the dust hood 10 is convenient to adjust, the electric push rod 7 is started, the push rod of the electric push rod 7 pushes the Z-shaped plate 8 to move upwards, the dust hood 10 is driven to move upwards, the dust hood 10 is far away from the ground, the worm 93 is manually rotated, the worm 93 drives the dust hood 10 to rotate through meshing with the worm wheel 91, the angle of the dust hood 10 is adjusted and adjusted, building dust in the air is removed, and dust in the air can be absorbed and removed by the dust hood 10.
The utility model provides an environment-friendly dust removal device for building decoration, which has the following working principle:
the induced draft fan 12 is started by the control switch group 3, the induced draft fan 12 works to enable the inside of the guide cylinder 51 to form negative pressure, external air enters the inside of the guide cylinder 51 through the dust hood 10 and the guide pipe II 14, building dust is brought into the inside of the guide cylinder 51 in the air flowing process and flows downwards under the guide effect of the spiral guide vane 55, air flows into the inside of the dust hopper 52 and then flows back into the inside of the guide pipe 53, part of dust in the air flow enters the inside of the dust hopper 52 due to inertia and is collected, the other part flows along with the air flow and is filtered and blocked by the primary filter screen 54, the air flow in the guide pipe 53 is conveyed into the inside of the water tank 61 through the guide pipe I13, the dust is precipitated after meeting water, the air flow overflows to the outside, at the moment, a small part of small building dust is still not contacted with the water under the air bubble isolation effect formed by the air flow, the secondary filter screen 62 filters the residual dust again, dust removing quality is guaranteed, the electric push rod 7 is started by the control switch group 3, the push rod of the electric push rod 7 pushes the Z8 to move upwards, the dust hood 10 is further driven to move upwards, the dust hood 10 is far away from the ground, the worm 93 is manually rotated, the worm wheel 93 is driven by the worm wheel 91 to rotate the worm wheel 91, the worm wheel is driven by the worm wheel 91, the rotating shaft is driven by the rotating shaft 10, the rotating shaft is driven by the rotating shaft, and the dust hood 10 is driven by the rotating, and the rotating shaft is driven by the rotating, and the rotating.
It should be noted that, the electric push rod 7 and the induced draft fan 12 disclosed in the above embodiments can be freely configured according to practical application scenarios, the electric push rod 7 suggests to select a WDTP type micro electric push rod, the induced draft fan 12 can select an FCK series pipeline fan, and the control switch group 3 is provided with buttons corresponding to the electric push rod 7 and the induced draft fan 12 one by one for controlling the switching operation thereof.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims (7)

1. An environment-friendly dust removal device for building decoration is characterized in that: comprises a bottom plate (1), a first dust removing component (5), a second dust removing component (6) and an adjusting component (9);
bottom plate (1): the four corners of the lower surface of the base plate are symmetrically provided with casters (4), the right side surface of the base plate (1) is provided with a push rod (2), the upper end of the push rod (2) is provided with a control switch group (3), the input end of the control switch group (3) is electrically connected with an external power supply, the left end of the upper surface of the base plate (1) is provided with an electric push rod (7), the top end of the electric push rod (7) is provided with a Z-shaped plate (8), the left end of the Z-shaped plate (8) is rotationally connected with a dust hood (10) through a rotating shaft, the air outlet end of the dust hood (10) is provided with a conduit II (14), the input end of the electric push rod (7) is electrically connected with the output end of the control switch group (3), and the middle part of the upper surface of the base plate (1) is provided with a fixing frame;
dust removal subassembly one (5): the dust removal device is fixedly connected to the inside of the fixing frame, the upper end of the dust removal component I (5) is provided with an induced draft fan (12), the input end of the induced draft fan (12) is electrically connected with the output end of the control switch group (3), the top end of the induced draft fan (12) is provided with a conduit I (13), and the air outlet end of the conduit II (14) is fixedly connected with the dust removal component I (5);
dust removal subassembly two (6): the right end of the first guide pipe (13) is matched with the second dust removing component (6);
an adjusting assembly (9): the adjusting component (9) is fixedly connected with a rotating shaft at the left end of the Z-shaped plate (8).
2. An environmental protection dust collecting equipment for building decoration according to claim 1, wherein: the dust removal assembly I (5) comprises a guide cylinder (51), a dust hopper (52) and a guide tube (53), wherein the guide cylinder (51) is fixedly connected to the inside of a fixing frame, the dust hopper (52) is connected to the lower end of the guide cylinder (51) in a threaded mode, the air outlet end of the guide tube II (14) is fixedly connected with the upper end of the side wall of the guide cylinder (51), the guide tube II (14) is communicated with the inside of the guide cylinder (51), the guide tube (53) is arranged in the middle of a top plate of the guide cylinder (51), the lower end of the guide tube (53) extends to the dust outlet of the lower end of the guide cylinder (51), an induced draft fan (12) is arranged on the top plate of the guide cylinder (51), a supporting block (11) is arranged in the middle of the upper surface of the bottom plate (1), and the upper surface of the supporting block (11) is in contact with the lower surface of the dust hopper (52).
3. An environmental protection dust collecting equipment for building decoration according to claim 2, wherein: the first dust removing component (5) further comprises a primary filter screen (54), and the primary filter screen (54) is arranged on the lower surface of the guide pipe (53).
4. An environmental protection dust collecting equipment for building decoration according to claim 2, wherein: the first dust removing component (5) further comprises a spiral guide vane (55), and the spiral guide vane (55) is arranged on the inner wall of the guide cylinder (51) in an annular array.
5. An environmental protection dust collecting equipment for building decoration according to claim 1, wherein: the second dust removing component (6) comprises a water tank (61), the water tank (61) is arranged at the right end of the upper surface of the bottom plate (1), and the right end of the first guide pipe (13) extends to the inside of the water tank (61).
6. An environmental protection dust collecting equipment for building decoration according to claim 5, wherein: the dust removal assembly II (6) further comprises a secondary filter screen (62), the secondary filter screen (62) is arranged on the upper surface of the water tank (61), and the right end of the first guide pipe (13) penetrates through a through hole formed in the middle of the secondary filter screen (62).
7. An environmental protection dust collecting equipment for building decoration according to claim 1, wherein: the adjusting component (9) comprises a worm wheel (91), vertical plates (92) and a worm (93), the worm wheel (91) is fixedly connected with a rotating shaft at the left end of the Z-shaped plate (8), the vertical plates (92) are arranged on the front side face of the left end of the Z-shaped plate (8) in parallel, the worm (93) is respectively connected with the inner parts of the two vertical plates (92) in a rotating mode, the worm (93) is meshed with the worm wheel (91), and a hand wheel is arranged at the right end of the worm (93).
CN202320285531.4U 2023-02-22 2023-02-22 Environment-friendly dust removal equipment for building decoration Active CN219519953U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320285531.4U CN219519953U (en) 2023-02-22 2023-02-22 Environment-friendly dust removal equipment for building decoration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320285531.4U CN219519953U (en) 2023-02-22 2023-02-22 Environment-friendly dust removal equipment for building decoration

Publications (1)

Publication Number Publication Date
CN219519953U true CN219519953U (en) 2023-08-15

Family

ID=87583755

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320285531.4U Active CN219519953U (en) 2023-02-22 2023-02-22 Environment-friendly dust removal equipment for building decoration

Country Status (1)

Country Link
CN (1) CN219519953U (en)

Similar Documents

Publication Publication Date Title
CN210728796U (en) Floor type sewage treatment device
CN208437312U (en) A kind of novel cavitation jet cleaning device
CN219519953U (en) Environment-friendly dust removal equipment for building decoration
CN210818949U (en) Wet-type dust removal environmental protection polishing all-in-one
CN211885878U (en) Smoke dust collecting device
CN210145747U (en) Movable mining dust removal device
CN217876375U (en) Ventilating duct convenient to clean
CN215432875U (en) Large-scale wall whitewashes equipment of polishing for interior decoration
CN115628098A (en) Dust removal equipment in coal mining
CN214261234U (en) Cement dust collector of circulated water supply
CN211029484U (en) Sand mould grinding device of casting usefulness
CN210786499U (en) Filter equipment for sewage treatment convenient to clearance debris
CN219825525U (en) Drainage device for building construction
CN113398689A (en) A dust collection device for building engineering construction
CN208677255U (en) A kind of dust catcher walked about
CN221166095U (en) Air flotation machine for pollution control
CN220572772U (en) Building sewage filter equipment
CN219240695U (en) Catch basin is used in industrial factory building construction
CN214211675U (en) Green building construction dust collector
CN214130924U (en) Grease machinery waste gas absorbing device
CN214914160U (en) A prevent haze equipment that is used for open-air place of industrial manufacturing to have energy-conserving function
CN212655495U (en) Multi-variable-based sewage energy-saving control device
CN214809226U (en) Dust collector is used in building engineering construction
CN217966585U (en) Flange processing workstation clearance mechanism
CN216778437U (en) Exhaust device for UV photolysis treatment of waste gas

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant