CN113339321A - Combined type centrifugal fan ozone disinfection machine - Google Patents
Combined type centrifugal fan ozone disinfection machine Download PDFInfo
- Publication number
- CN113339321A CN113339321A CN202110765350.7A CN202110765350A CN113339321A CN 113339321 A CN113339321 A CN 113339321A CN 202110765350 A CN202110765350 A CN 202110765350A CN 113339321 A CN113339321 A CN 113339321A
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- Prior art keywords
- fan
- shell
- heat dissipation
- module
- ozone
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Links
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000004659 sterilization and disinfection Methods 0.000 title abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims abstract description 41
- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/20—Gaseous substances, e.g. vapours
- A61L2/202—Ozone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention relates to the field of ozone disinfection equipment, in particular to a combined type centrifugal fan ozone disinfection machine which comprises a shell, a DBD generator module, a cooling module and a fan module, wherein an air inlet is formed in the top end of the shell, an air outlet is formed in one side of the bottom end of the shell, the fan module, the DBD generator module and the cooling module are sequentially arranged in the shell from left to right, the cooling module comprises a fan and a heat dissipation plate, the fan is arranged on the shell, the heat dissipation plate is symmetrically arranged on one side, close to the fan, of the DBD generator module, the fan module comprises a fan and a motor, the fan is a centrifugal fan, the motor is arranged at one end, far away from the DBD generator module, of the fan, and the fan comprises a fan shell, combined blades and a disc; according to the invention, the mixing of ozone and air is divided into multiple channels to be carried out simultaneously through the blades which are gradually widened, so that the mixing efficiency of ozone and air is improved.
Description
Technical Field
The invention relates to the field of ozone disinfection equipment, in particular to a combined type centrifugal fan ozone disinfection machine.
Background
Ozone has strong oxidation property, can oxidize, decompose and remove micro organic matters, colloid impurities and humic acid, and can also remove microorganisms, bacteria, viruses and the like in air. At present, various methods such as an optical method, an electrochemical method, an atomic radiation method, a corona discharge method and the like are adopted for artificially generating ozone, wherein the corona discharge method is widely applied due to low energy consumption and high yield.
In the prior art, ozone generated in a DBD generator is accumulated near the DBD generator, and the ozone is not beneficial to next disinfection work. The fan of its equipment is not good to the mixed effect of ozone and air, and the ozone content of discharge apparatus is inhomogeneous, and the difficult dismantlement of blade of fan leads to the difficult maintenance of equipment.
Therefore, improvements can be made to the above problems.
Disclosure of Invention
Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to solve the problems of difficulty in detaching a fan blade, non-uniform mixing of ozone and air, and non-uniform outlet air by using a fan blade combination design.
The invention realizes the aim through the following technical scheme:
a combined centrifugal fan ozone disinfection machine comprises a shell, a DBD generator module, a cooling module and a fan module, wherein an air inlet is formed in the top end of the shell, an air outlet is formed in one side of the bottom end of the shell, the fan module, the DBD generator module and the cooling module are sequentially arranged in the shell from left to right, the cooling module comprises a fan and a heat dissipation plate, the shell is provided with the fan, the heat dissipation plate is symmetrically arranged on one side, close to the fan, of the DBD generator module, the fan module comprises a fan and a motor, the fan is a centrifugal fan, the motor is arranged at one end, far away from the DBD generator module, of the fan, the fan comprises a fan shell, combined blades and a disc, a plurality of groups of combined blades are arranged in the fan shell, and the combined blades are blades which are gradually widened from one end, close to the DBD generator module, to one end, far away from the DBD generator module, and a disc is arranged between the adjacent combined blades.
Preferably, the DBD generator module includes a high voltage plate, a dielectric plate, and a ground plate.
Preferably, the heat dissipation plate comprises a first heat dissipation plate and a second heat dissipation plate, wherein a first arc-shaped groove is formed in the surface, close to the fan, of one side of the first heat dissipation plate, a second arc-shaped groove is formed in the surface, close to the fan, of the second heat dissipation plate, and a distance is reserved between the first heat dissipation plate and the second heat dissipation plate.
Preferably, the whole shape of fan shell is the cylinder, and is close to DBD generator module one end and is equipped with ozone entering channel, the upper end interval of fan shell is provided with air inlet channel, and the below of fan shell and the corresponding position of air outlet are provided with ozone discharge channel.
Preferably, the combined blade is in a streamline arrangement.
Preferably, the combined blade and the disc are detachably connected with the fan shaft.
The invention has the following beneficial effects:
1. the number of the heat dissipation plates is two, the heat dissipation plates are symmetrically arranged on one side of the DBD generator module and are respectively a first dispersing heat plate and a second dispersing heat plate, the heat dissipation plates are provided with arc-shaped grooves, air generated by a fan can run on the heat dissipation plates 32 in a longer path, air cooling efficiency is increased, the ozone generation efficiency is prevented from being influenced by overhigh temperature of the DBD generator, and meanwhile the service life of the DBD generator is prolonged.
2. The combined type blades are blades which are gradually widened from one end of the ozone inlet channel, each group of blades, the disc connected with the blades and the fan shell form a small centrifugal fan, the mixing of ozone and air is divided into multiple channels to be carried out simultaneously, and a small stream of ozone and a small stream of air are mixed, so that the mixing efficiency of the ozone and the air is improved; meanwhile, the combined type blade is easy to disassemble and replace and clean.
3. The upper end of the fan shell is provided with an air inlet, the side surface of the fan shell is provided with an ozone inlet channel to ensure that ozone and air are mixed in the fan, the lower end of the fan shell is provided with an air outlet, and the air outlet is provided with a plurality of baffle plates to ensure that the air outlet is uniform after the ozone and the air are mixed.
4. The fan blades are arranged in a streamline manner, so that the noise generated during the operation of the fan is reduced, and the use comfort of a user is improved.
Drawings
Fig. 1 is a schematic view of the overall appearance structure of the present invention.
Fig. 2 is a connection diagram of the overall structure of the present invention.
Fig. 3 is a schematic view of connection of a DBD generator module and a cooling module according to an embodiment of the present invention.
Fig. 4 is a schematic view of a heat dissipation plate structure according to the present invention.
Fig. 5 is a schematic view of the fan structure of the present invention.
Fig. 6 is a schematic view of the internal structure of the fan of the present invention.
The fan comprises a shell 1, an air inlet 11, an air outlet 12, a DBD generator module 2, a high-voltage pole plate 21, a dielectric plate 22, a grounding pole plate 23, a cooling module 3, a fan 31, a heat dissipation plate 32, a heat dissipation plate 321, an arc groove 3211, a heat dissipation plate 322, an arc groove 3221, a fan module 4, a fan 41, a fan shell 411, a combined blade 412, a disc 413 and a motor 42.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those embodiments can be easily implemented by those having ordinary skill in the art to which the present invention pertains. However, the present invention may be embodied in many different forms and is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, components not connected to the present invention will be omitted from the drawings.
As shown in fig. 1-2, a combined centrifugal fan ozone sterilizer comprises: the device comprises a shell 1, a DBD generator module 2, a cooling module 3 and a fan module 4;
as shown in fig. 1, the housing 1 includes: an air inlet 11 and an air outlet 12;
as shown in fig. 3, the DBD generator module 2 includes: a high voltage polar plate 21, a dielectric plate 22 and a grounding polar plate 23;
as shown in fig. 3 to 4, the cooling module 3 includes: fan 31, heat dissipation plate 32;
the fan 31 is disposed on the housing 1 on the same side as the DBD generator module 2;
the number of the heat dissipation plates 32 is two, the heat dissipation plates are symmetrically arranged on one side of the DBD generator module 2 and respectively include a first heat dissipation plate 321 and a second heat dissipation plate 322, wherein the first heat dissipation plate 321 is provided with a first arc-shaped groove 3211, and the second heat dissipation plate 322 is provided with a second arc-shaped groove 3221, so that air generated by a fan runs on the heat dissipation plates 32 for a longer path, and the air cooling efficiency is increased;
the heat dissipation plate 32 transfers the heat of the DBD generator module 2 to the heat dissipation plate 32, and the heat dissipation plate 32 is cooled by wind through the fan 31, so that the ozone production efficiency of the DBD generator module 2 and the service life of the DBD generator module 2 are ensured;
the heat dissipation plates 32 are arranged on the DBD generator module 2, and a certain distance is left between the two heat dissipation plates 32, so that the air guided by the fan 31 can enter the DBD generator module 2, and sufficient air is ensured to ensure the generation continuity of ozone;
as shown in fig. 5 to 6, the fan module 4 includes: a fan 41, a motor 42;
the fan 41 is a centrifugal fan, negative pressure is formed in the rotation direction of blades of the centrifugal fan, ozone generated by the DBD generator module 2 is sucked into the fan 41, and the ozone is discharged from the lower end of the fan 41;
the blower 41 includes: fan housing 411, composite blades 412, disks 413;
the fan housing 411 is a cylinder in overall shape, one end of the fan housing, which is close to the DBD generator module 2, is provided with an ozone inlet duct 4111, the upper end of the fan housing is provided with an air inlet duct 4112, the air inlet duct 4112 is intermittently arranged on the upper wall surface of the fan housing 411 to ensure that enough air enters the fan 41, and an ozone discharge duct 4113 is arranged below the fan housing to ensure that ozone and air are uniformly mixed and then smoothly discharged;
the combined blades 412 are blades which become wider in sequence from one end of the ozone inlet channel 4111, each group of blades and the disc 413 arranged on the shaft form a small centrifugal fan, the mixing of ozone and air is divided into multiple channels to be performed simultaneously, the mixing efficiency of ozone and air is improved, and the blades which become wider in sequence enable the internal wind pressure to be increased gradually, so that the blades far away from the air inlet can adsorb the generated ozone to the inside, most of the ozone is prevented from being discharged from the end part, and the ozone can be divided into multiple channels to be mixed with the air and then discharged;
preferably, the combined blades 412 are arranged in a streamline manner, so that the noise generated during the operation of the fan is reduced, and the use comfort of a user is improved;
preferably, each set of blades and the disk 413 to which they are attached are removable from the fan 41 to facilitate maintenance and installation of the blades.
The invention principle is as follows:
when the power is switched on, the motor 43 starts to work, the DBD generator module 2 starts to generate ozone, the cooling module 3 continuously guides the air outside the equipment into the equipment and performs air cooling on the DBD generator module 2, the fan 41 brings the ozone generated by the DBD generator module 2 into the fan 41, and meanwhile, the air enters the fan 41 from the air inlet channel 4112 at the upper end of the fan shell 412, so that the air and the ozone are mixed inside the fan and discharged to the outside from the air outlet of the fan, and the ozone is sterilized next.
Claims (6)
1. A combined centrifugal fan ozone sterilizer, comprising: shell (1), DBD generator module (2), cooling module (3), fan module (4), the top of shell (1) is provided with air intake (11), and bottom one side of shell (1) is provided with air outlet (12), and the inside of shell (1) has set gradually fan module (4), DBD generator module (2) and cooling module (3), its characterized in that from a left side to the right side: the cooling module (3) comprises a fan (31) and a heat dissipation plate (32), the fan (31) is arranged on the shell (1), the DBD generator module (2) is symmetrically provided with heat dissipation plates (32) at one side close to the fan (31), the fan module (4) comprises a fan (41) and a motor (42), the fan (41) is a centrifugal fan, the motor (42) is arranged at one end of the fan (41) far away from the DBD generator module (2), the fan (41) comprises a fan shell (411), a combined blade (412) and a disc (413), a plurality of groups of combined blades (412) are arranged inside the fan shell (411), and the combined blades (412) are blades which are widened from one end close to the DBD generator module (2) to one end far away from the DBD generator module (2), and a disc (413) is arranged between the adjacent combined blades (412).
2. The combined centrifugal fan ozone disinfector of claim 1, wherein: the DBD generator module (2) comprises a high-voltage polar plate (21), a dielectric plate (22) and a grounding polar plate (23).
3. The combined centrifugal fan ozone disinfector of claim 1, wherein: the heat dissipation plate (32) comprises a first heat dissipation plate (321) and a second heat dissipation plate (322), wherein a first arc-shaped groove (3211) is formed in the surface, close to the fan (31), of one side of the first heat dissipation plate (321), a second arc-shaped groove (3221) is formed in the surface, close to the fan (31), of the second heat dissipation plate (322), and a distance is reserved between the first heat dissipation plate (321) and the second heat dissipation plate (322).
4. The combined centrifugal fan ozone disinfector of claim 1, wherein: the whole shape of fan shell (411) is the cylinder, and is close to DBD generator module (2) one end and is equipped with ozone inlet channel (4111), the upper end interval of fan shell (411) is provided with air inlet channel (4112), and the below of fan shell (411) and the corresponding position of air outlet (12) are provided with ozone exhaust passage (4113).
5. The combined centrifugal fan ozone disinfector of claim 1, wherein: the combined type blades (412) are in streamline arrangement.
6. The combined centrifugal fan ozone disinfector of claim 1, wherein: the combined blade (412) and the disc (413) are detachably connected with the shaft of the fan (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110765350.7A CN113339321A (en) | 2021-07-09 | 2021-07-09 | Combined type centrifugal fan ozone disinfection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110765350.7A CN113339321A (en) | 2021-07-09 | 2021-07-09 | Combined type centrifugal fan ozone disinfection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113339321A true CN113339321A (en) | 2021-09-03 |
Family
ID=77482952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110765350.7A Pending CN113339321A (en) | 2021-07-09 | 2021-07-09 | Combined type centrifugal fan ozone disinfection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113339321A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001259470A (en) * | 2000-03-16 | 2001-09-25 | Denso Corp | Air cleaner |
| CN2549370Y (en) * | 2002-05-04 | 2003-05-07 | 无锡奥神环保技术有限公司 | Dust-collecting purifying air sterilizer |
| US20040258586A1 (en) * | 2003-06-20 | 2004-12-23 | Jung-Huang Hung | Air cleaning machine |
| CN204553293U (en) * | 2015-01-16 | 2015-08-12 | 重庆绿彰科技发展有限公司 | Ozonization power ventilation device |
| CN206081137U (en) * | 2016-07-05 | 2017-04-12 | 浙江乾仕智能科技有限公司 | Ozone air sterilizing apparatus |
| CN209501304U (en) * | 2019-01-24 | 2019-10-18 | 中山市意和环境科技有限公司 | Stink reaction unit |
| CN209569902U (en) * | 2018-12-14 | 2019-11-01 | 青岛经济技术开发区海尔热水器有限公司 | A kind of gas heater |
-
2021
- 2021-07-09 CN CN202110765350.7A patent/CN113339321A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001259470A (en) * | 2000-03-16 | 2001-09-25 | Denso Corp | Air cleaner |
| CN2549370Y (en) * | 2002-05-04 | 2003-05-07 | 无锡奥神环保技术有限公司 | Dust-collecting purifying air sterilizer |
| US20040258586A1 (en) * | 2003-06-20 | 2004-12-23 | Jung-Huang Hung | Air cleaning machine |
| CN204553293U (en) * | 2015-01-16 | 2015-08-12 | 重庆绿彰科技发展有限公司 | Ozonization power ventilation device |
| CN206081137U (en) * | 2016-07-05 | 2017-04-12 | 浙江乾仕智能科技有限公司 | Ozone air sterilizing apparatus |
| CN209569902U (en) * | 2018-12-14 | 2019-11-01 | 青岛经济技术开发区海尔热水器有限公司 | A kind of gas heater |
| CN209501304U (en) * | 2019-01-24 | 2019-10-18 | 中山市意和环境科技有限公司 | Stink reaction unit |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210903 |
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| RJ01 | Rejection of invention patent application after publication |