CN115974225A - Modularized photocatalyst technology floating cabin disinfection and killing equipment - Google Patents
Modularized photocatalyst technology floating cabin disinfection and killing equipment Download PDFInfo
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- CN115974225A CN115974225A CN202310218363.1A CN202310218363A CN115974225A CN 115974225 A CN115974225 A CN 115974225A CN 202310218363 A CN202310218363 A CN 202310218363A CN 115974225 A CN115974225 A CN 115974225A
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- killing
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- photocatalyst
- ultraviolet lamp
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- 238000007667 floating Methods 0.000 title claims abstract description 30
- 230000002147 killing effect Effects 0.000 title claims abstract description 29
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 24
- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 238000004659 sterilization and disinfection Methods 0.000 title abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000001954 sterilising effect Effects 0.000 claims abstract description 22
- 238000000746 purification Methods 0.000 claims abstract description 19
- 238000005192 partition Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract description 18
- 239000004202 carbamide Substances 0.000 abstract description 18
- 239000007788 liquid Substances 0.000 abstract description 15
- 241000894006 Bacteria Species 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 241000700605 Viruses Species 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 14
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 230000009182 swimming Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QEHKBHWEUPXBCW-UHFFFAOYSA-N nitrogen trichloride Chemical compound ClN(Cl)Cl QEHKBHWEUPXBCW-UHFFFAOYSA-N 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Physical Water Treatments (AREA)
Abstract
The invention discloses a modularized photocatalyst technology floating cabin disinfection and killing device which comprises a shell, wherein an inner container is arranged inside the shell, a water inlet pipe is arranged on the shell, the water inlet pipe is positioned at the position, close to the lower end, of the side wall of the shell, an inlet is formed in the inner container, the inlet is positioned at the position, close to the upper end, of the side wall of the inner container, a plurality of disinfection and killing assemblies are arranged in the inner container, an outlet is also formed in the inner container, the outlet is positioned at the position, close to the upper end, of the side wall of the inner container, and the inlet and the outlet are respectively positioned on two opposite side faces of the inner container. The sterilizing component comprises an ultraviolet lamp and a purifying column, and the ultraviolet lamp and the purifying column are arranged in parallel. In the implementation process of the invention, the target liquid to be purified flows through the device, bacteria and viruses and urea molecules are adsorbed on the surface of the photocatalyst of the purification column, and under the action of ultraviolet rays, hydroxyl radicals generated on the surface of the photocatalyst are captured, the bacteria and viruses are killed, and the urea molecules are degraded.
Description
Technical Field
The invention belongs to the technical field of sterilizing equipment, and particularly relates to floating cabin sterilizing equipment based on a modular photocatalyst technology.
Background
Floating is an emerging industry of leisure, health care and auxiliary sports which is newly developed in recent years, and the urea and bacteria content in the floating liquid is ensured to meet the sanitary and safety standard by disinfection equipment. The chlorine disinfection procedures currently used in large numbers in the swimming pool industry are not suitable for the floating industry. Chlorine does not remove the urea from the floating liquid, nor does it reduce the urea build-up by frequent replacement of the water as in the swimming pool. The urea content is high, the nitrogen content is obviously increased, the nutrition condition for breeding bacteria is mature, and the total number of bacterial colonies is obviously increased. Urea also increases the production of disinfection by-products such as nitrogen trichloride. Residual chlorine, which maintains the sustained killing ability of chlorine, has a stimulating effect on human skin.
Ozone is another disinfection technology used in swimming pools. Can remove urea, but the half-life of ozone in water is only about 20 minutes, and the continuous degradation and killing effect on urea and bacteria is lacked. There remains a need for other sterilization techniques that complement the sterilization capabilities.
The swimming pool using ozone as main sterilizing technique. In order to achieve optimal disinfection, a sufficiently high ozone concentration must be maintained in the pond water for a period of time. Some ozone will volatilize into the air above the water level in the tank, and they have a long half-life in the air, resulting in an excessive ozone concentration above the water level. The ozone concentration in the pond water also requires a considerable amount of time to recover to a safe concentration. So the ozone sterilization technology cannot be continuously used. Ozone is also a gas harmful to the human body. A recognized standard for safe concentrations of ozone is 160 micrograms per cubic meter. Even at safe concentrations, prolonged working and life can cause the outbreak of various diseases. Thus, many countries have down regulated the safe concentration of ozone to 140 micrograms. The sterilizing power of ozone and the purifying power of urea are not questionable. And the damage to the human body and the environment is not doubtful. Ozone is certainly a technology that requires limited use. It is also not suitable for use in a flotation tank.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the floating cabin sterilizing equipment adopting the modularized photocatalyst technology, and the problems in the background art are effectively solved.
In order to achieve the purpose, the invention provides the following technical scheme: modularized photocatalyst technology floats cabin equipment of killing that disappears, which comprises an outer shell, the internally mounted of shell has the inner bag, has seted up the inlet tube on the shell, the inlet tube is located the position that the lateral wall of shell is close to the lower extreme, be provided with the import on the inner bag, the position that the lateral wall that the import is located the inner bag is close to the upper end is installed a plurality of subassemblies of killing that disappear in the inner bag, still has the export on the inner bag, and the export is located the position that the lateral wall of inner bag is close to the upper end, and import and export are located two opposite flank of inner bag respectively.
Preferably, the sterilizing component comprises an ultraviolet lamp and a purifying column, the ultraviolet lamp and the purifying column are arranged in parallel, the surface of the purifying column is covered with a layer of photocatalyst, and the surface of the purifying column is provided with a helical blade.
Preferably, the upper end and the lower end of the ultraviolet lamp and the upper end and the lower end of the purification column are respectively fixed through a fixing plate, and a mounting column is further fixedly connected to the fixing plate.
Preferably, the inner wall of the inner container and the surfaces of the helical blades are plated with a layer of aluminum.
Preferably, a partition plate is fixedly connected to a position, close to the inlet, inside the inner container, the partition plate extends downwards, a gap through which water flows is formed between the lower end of the partition plate and the bottom wall of the inner container, and the killing assemblies are located on one side of the partition plate.
Preferably, the rigid coupling has solid fixed ring on the tip of shell, and solid fixed ring extends towards the outside of inlet tube, and has the bolster in the outside cover of inlet tube, and the bolster becomes the hemisphere, and is provided with the spring between bolster and solid fixed ring to make the inlet tube can push up on the inner wall of bolster.
Preferably, the cross section of the buffer member is fixedly connected with a plurality of fixed teeth, one end of the spring is fixedly connected to the fixing ring, the other end of the spring is fixedly connected to the fixed teeth, and two adjacent fixed teeth are not in contact with each other.
Preferably, each sterilizing component is internally provided with an ultraviolet lamp and at least one purifying column, the purifying columns are symmetrically distributed around the ultraviolet lamp, and the inner container is internally provided with at least one sterilizing component.
Compared with the prior art, the invention has the beneficial effects that:
the product is a water tank in the floating equipment or external circulating purification and disinfection equipment of the floating cabin. The floating liquid in the water tank or the floating cabin enters the product through a filter pump and then returns to the original water tank. The device is internally provided with an ultraviolet lamp tube and a purifying column with a photocatalyst surface. When the target liquid to be purified flows through the device, bacteria, viruses and urea molecules are adsorbed on the surface of the photocatalyst of the purification column, and under the action of ultraviolet rays, hydroxyl radicals generated on the surface of the photocatalyst are captured, the bacteria, the viruses are killed, and the urea molecules are degraded. After several cycles, the floating liquid is purified and disinfected. The ultraviolet light itself also has the function of sterilization and disinfection. The ultraviolet lamp tube and the purifying column are arranged in parallel and distributed in a symmetrical shape to ensure that the ultraviolet reaches the surface of the photocatalyst to the maximum extent. The inside sets up the partition plate and prolongs the dwell time of floating liquid in equipment. The inner surface of the inner container, the partition plate and the surfaces of the spiral blades are plated with aluminum, so that the utilization rate of ultraviolet rays is improved. The purifying column is provided with helical blades, each blade forming an angle with the plane. The buffer piece is arranged at the water inlet pipe to prevent the water pump from hurting the purifying column and the ultraviolet lamp tube due to the over-high speed. The terminal of the ultraviolet lamp tube is sealed and isolated from the floating liquid.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the internal overall structure of the present invention;
FIG. 2 is a schematic side view of the killing assembly of the present invention;
FIG. 3 is a schematic view of the combined internal structure of the water inlet pipe and the buffer member according to the present invention;
FIG. 4 is a schematic side view of the water inlet pipe and the buffering assembly of the present invention;
FIG. 5 is a schematic top view of the inner container of the present invention;
FIG. 6 is a schematic structural view of a first embodiment of the killing assembly of the present invention;
fig. 7 is a schematic structural view of a second embodiment of the killing assembly of the present invention.
In the figure: 1. a housing; 2. a water inlet pipe; 3. a buffer member; 4. an inner container; 5. an inlet; 6. a partition plate; 7. a sterilizing assembly; 71. an ultraviolet lamp; 72. purifying the column; 73. a helical blade; 74. a fixing plate; 75. mounting a column; 8. an outlet; 9. a fixing ring; 10. a spring; 11. and (5) fixing the teeth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a modularized photocatalyst technology floating cabin killing device which comprises a shell 1, wherein a liner 4 is arranged inside the shell 1, a water inlet pipe 2 is arranged on the shell 1, the water inlet pipe 2 is positioned on the side wall of the shell 1 and close to the lower end, an inlet 5 is arranged on the liner 4, the inlet 5 is positioned on the side wall of the liner 4 and close to the upper end, a plurality of killing components 7 are arranged in the liner, an outlet 8 is also arranged on the liner 4, the outlet 8 is positioned on the side wall of the liner 4 and close to the upper end, and the inlet 5 and the outlet 8 are respectively positioned on two opposite side surfaces of the liner 4.
The urea degradation capacity of the purification and disinfection equipment of one purification unit reaches 200 mg/hour. No Escherichia coli was detected, and the total bacterial count was 800 Herm/hr. The purification capacity of the apparatus can be increased by increasing the number of purification units, and the purification and disinfection capacity is increased by 0,8 to 0,9 times for every addition of one purification unit.
The invention provides safe, efficient and environment-friendly killing equipment for the floating system. The main goal is the degradation of urea and the killing of viruses and bacteria. The floating cabin is individual experience equipment, and each experiencer brings urea in the floating liquid, and the number of bacteria is in a certain range. The killing and purifying capacity of the device is best to meet the requirement. Swimming pool disinfection programs working in similar environments, chlorine disinfection cannot clear urea and both health and environment have adverse effects, ozone water shortage continues to degrade urea, the ability to kill viruses and bacteria, and serious safety issues for environment and health. Therefore, current pool killing devices cannot be transplanted onto floating devices.
The sterilizing component 7 comprises an ultraviolet lamp 71 and a purifying column 72, the ultraviolet lamp 71 and the purifying column 72 are arranged in parallel, a layer of photocatalyst is covered on the surface of the purifying column 72, and a spiral helical blade 73 is arranged on the surface of the purifying column. The upper and lower ends of the ultraviolet lamp 71 and the purification column 72 are fixed by a fixing plate 74, and a mounting column 75 is further fixed to the fixing plate 74. The photocatalytic surface of the purification column 72 is irradiated with ultraviolet light 71, and hydroxyl radicals generated on the photocatalytic surface are trapped. The bacterial virus is killed and the urea molecules are degraded. After several cycles, the floating liquid is purified and disinfected. The ultraviolet light itself also has the function of sterilization and disinfection.
The inner wall of the inner container 4 and the surfaces of the helical blades 73 are both plated with a layer of aluminum, so that the utilization rate of ultraviolet rays is improved.
The inner container 4 is fixedly connected with a partition plate 6 at a position close to the inlet 5, the partition plate 6 extends downwards, a gap for water to flow through is formed between the lower end of the partition plate 6 and the bottom wall of the inner container 4, and the killing assembly 7 is positioned at one side of the partition plate 6.
The rigid coupling has solid fixed ring 9 on the tip of inlet tube 2, and solid fixed ring 9 extends towards the outside of inlet tube 2, and has bolster 3 in the outside cover of inlet tube 2, and bolster 3 becomes the hemisphere, and is provided with spring 10 between bolster 3 and solid fixed ring 9 to make inlet tube 2 can push up on the inner wall of bolster 3. Fixing teeth 11 are fixedly connected to the cross section of the buffer member 3, the number of the fixing teeth 11 is multiple, one end of a spring 10 is fixedly connected to the fixing ring 9, the other end of the spring 10 is fixedly connected to the fixing teeth 11, and two adjacent fixing teeth 11 are not in contact with each other, so that liquid can flow into the housing 1 from the space between the fixing teeth 11.
When no liquid flows through the water inlet pipe 2, the spring 10 can make the buffer member 3 prop against the end part of the water inlet pipe 2, so that the water inlet pipe 2 is sealed, and after the water pressure in the water inlet pipe 2 reaches a certain pressure, the water pressure can prop the buffer assembly 3 open, and then the liquid flows into the shell 1.
The core of the device is composed of a purifying column 72 and an ultraviolet lamp 71. Several purification columns 72 form a sterilizing assembly with the uv lamp 71. The number of purification columns 72 and uv lamps 71 within a module is somewhat arbitrary, but the 7 purification columns 72, 6 uv lamps 71 of 254 nm, and 6 angular distribution are the best. To increase the purification capacity, the number of modules can be simply increased, which can reduce the cost of repeated design. The product has a single module, and floating liquid enters from an inlet 5 of the inner container 4 and is discharged from an outlet 8. In order to increase the residence time of the purified liquid in the inner container 4, the positions of the inlet 5 and the outlet 8 are set, and the partition plate 6 is a 0.2 mm polished aluminum plate. The length of the purification column 72 is determined according to the effective length of the ultraviolet lamp 71. The current product purge columns 72 are approximately 30 cm in length, each purge column 72 having 22 layers of helical blades 73 with inner and outer diameters of 14 mm and 80 mm, respectively, and a total support surface area of 10-15 square meters. Each uv lamp 71 was 18 watts. The carrier is a 100 mesh 406L stainless steel mesh. Upper and lower sealing plates, which also serve to fix the purification column 72. A sealing clapboard is used between the power supply wiring terminal of the ultraviolet lamp 71, the rectifier and the like and the inner container 4, and the ultraviolet lamp 71 with a sealing sleeve is deeply inserted into the inner container 4 through the hollow hole of the sealing clapboard. The housing 1 is of moulded plastic with a 0.2 mm polished aluminium sheet lining on the inner surface
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Modularization photocatalyst technology floats cabin equipment of killing that disappears, its characterized in that: including shell (1), the internally mounted of shell (1) has inner bag (4), has seted up inlet tube (2) on shell (1), the lateral wall that inlet tube (2) are located shell (1) is close to the position of lower extreme, be provided with import (5) on inner bag (4), the lateral wall that import (5) are located inner bag (4) is close to the position of upper end, installs a plurality of components of killing (7) that disappear in the inner bag, still has export (8) on inner bag (4), and export (8) are located the lateral wall of inner bag (4) and are close to the position of upper end, and import (5) and export (8) are located two opposite flank of inner bag (4) respectively.
2. The modularized photocatalyst technology floating cabin killing equipment as claimed in claim 1, wherein: the sterilizing component (7) comprises an ultraviolet lamp (71) and a purifying column (72), wherein the ultraviolet lamp (71) and the purifying column (72) are arranged in parallel, the surface of the purifying column (72) is covered with a layer of photocatalyst, and the surface of the purifying column is provided with a spiral helical blade (73).
3. The modular photocatalyst technology floating cabin sterilizing and killing device as claimed in claim 2, wherein: the upper end and the lower end of the ultraviolet lamp (71) and the upper end and the lower end of the purification column (72) are respectively fixed through a fixing plate (74), and a mounting column (75) is further fixedly connected to the fixing plate (74).
4. The modular photocatalyst technology floating cabin sterilizing and killing device as claimed in claim 3, wherein: the inner wall of the inner container (4) and the surface of the helical blade (73) are plated with a layer of aluminum.
5. The modular photocatalyst technology floating cabin sterilizing and killing device as claimed in claim 1, wherein: the inner container is characterized in that a partition plate (6) is fixedly connected to a position, close to the inlet (5), in the inner container (4), the partition plate (6) extends downwards, a gap for water to flow through is formed between the lower end of the partition plate (6) and the bottom wall of the inner container (4), and the killing assembly (7) is located on one side of the partition plate (6).
6. The modularized photocatalyst technology floating cabin killing equipment as claimed in claim 1, wherein: the rigid coupling has solid fixed ring (9) on the tip of shell (2), and solid fixed ring (9) extend towards the outside of inlet tube (2), and has bolster (3) in the outside cover of inlet tube (2), and bolster (3) become the hemisphere, and is provided with spring (10) between bolster (3) and solid fixed ring (9) to make inlet tube (2) can push up on the inner wall of bolster (3).
7. The modular photocatalyst technology floating cabin sterilizing and killing device as claimed in claim 6, wherein: the buffer piece (3) is fixedly connected with a plurality of fixed teeth (11) on the cross section, one end of a spring (10) is fixedly connected to the fixing ring (9), the other end of the spring (10) is fixedly connected to the fixed teeth (11), and the two adjacent fixed teeth (11) are not in contact.
8. The modularized photocatalyst technology floating cabin killing equipment as claimed in claim 2, wherein: each sterilizing component (7) is internally provided with an ultraviolet lamp (71) and at least one purifying column (72), the purifying columns (72) are symmetrically distributed around the ultraviolet lamp (71), and the inner container (4) is internally provided with at least one sterilizing component (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310218363.1A CN115974225A (en) | 2023-03-09 | 2023-03-09 | Modularized photocatalyst technology floating cabin disinfection and killing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310218363.1A CN115974225A (en) | 2023-03-09 | 2023-03-09 | Modularized photocatalyst technology floating cabin disinfection and killing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN115974225A true CN115974225A (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310218363.1A Pending CN115974225A (en) | 2023-03-09 | 2023-03-09 | Modularized photocatalyst technology floating cabin disinfection and killing equipment |
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| CN (1) | CN115974225A (en) |
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- 2023-03-09 CN CN202310218363.1A patent/CN115974225A/en active Pending
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| CN101885516A (en) * | 2009-05-12 | 2010-11-17 | 黄依兰 | Spiral water purifier |
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Application publication date: 20230418 |