CN113336375A - All-round self-cleaning's that disinfects ultraviolet ray water purifier - Google Patents
All-round self-cleaning's that disinfects ultraviolet ray water purifier Download PDFInfo
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- CN113336375A CN113336375A CN202110505302.4A CN202110505302A CN113336375A CN 113336375 A CN113336375 A CN 113336375A CN 202110505302 A CN202110505302 A CN 202110505302A CN 113336375 A CN113336375 A CN 113336375A
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- Prior art keywords
- ultraviolet
- fixedly connected
- water
- water purifier
- wall
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 238000004140 cleaning Methods 0.000 title claims abstract description 30
- 238000000746 purification Methods 0.000 claims abstract description 48
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 27
- 230000001954 sterilising effect Effects 0.000 claims abstract description 23
- 230000002070 germicidal effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 238000005192 partition Methods 0.000 abstract description 6
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000003760 hair shine Effects 0.000 abstract description 2
- 230000011514 reflex Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 102000053602 DNA Human genes 0.000 description 2
- 108020004414 DNA Proteins 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002477 rna polymer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses an omnibearing sterilization automatic cleaning ultraviolet water purifier which comprises a water purification tank, wherein the inner wall of the water purification tank is fixedly connected with a transparent partition plate, the transparent partition plate divides the inner cavity of the water purification tank into a light-transmitting cavity and a purification cavity from top to bottom, the inner wall of the light-transmitting cavity is rotatably provided with a positioning pin shaft, the positioning pin shaft is fixedly connected with an installation plate, the installation plate is horizontally and transversely arranged, and the bottom of the installation plate is provided with an ultraviolet sterilization lamp. This all-round self-cleaning's that disinfects ultraviolet water purifier can open servo motor at the ultraviolet sterilization in-process, servo motor passes through incomplete gear a and drives incomplete gear b swing for the location round pin axle drives the sterilamp swing, the setting of cooperation reflection arc cover, when the sterilamp swing, ultraviolet ray shines on the reflection arc cover, under the reflex action of reflection arc cover, make the ultraviolet ray focus on the slope drainage plate, make full use of ultraviolet irradiation, thereby make bactericidal effect better.
Description
Technical Field
The invention relates to the technical field of water purifiers, in particular to an ultraviolet water purifier capable of sterilizing in all directions and automatically cleaning.
Background
The ultraviolet sterilization and disinfection is to use ultraviolet with proper wavelength to destroy the molecular structure of DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) in the cells of the microorganism body, so as to cause the death of growing cells and/or regenerative cells, thereby achieving the effect of sterilization and disinfection. The ultraviolet disinfection technology is based on modern epidemic prevention science, medicine and photodynamics, and utilizes specially designed UVC wave band ultraviolet light with high efficiency, high intensity and long service life to irradiate flowing water so as to directly kill various bacteria, viruses, parasites, algae and other pathogens in the water. At present, ultraviolet disinfection equipment is also available in the market, but due to the water passing mode, the equipment is often larger, is more suitable for industry, and has poor disinfection effect in most cases.
Therefore, an ultraviolet water purifier with all-directional sterilization and automatic cleaning needs to be designed so as to solve the problems.
Disclosure of Invention
The invention aims to provide an all-dimensional sterilization and automatic cleaning ultraviolet water purifier to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an ultraviolet water purifier with omnibearing sterilization and automatic cleaning functions comprises a water purifying tank, wherein the inner wall of the water purifying tank is fixedly connected with a transparent partition plate, the transparent clapboard divides the inner cavity of the water purifying tank into a light-transmitting cavity and a purifying cavity from top to bottom, the inner wall of the light-transmitting cavity is rotatably provided with a positioning pin shaft, and the positioning pin shaft is fixedly connected with an installation disc which is horizontally and transversely arranged, the bottom of the installation disc is provided with an ultraviolet germicidal lamp, the left side of the water purifying tank is communicated with a water inlet pipe, the water inlet pipe is positioned below the transparent partition plate, the bottom of the left side of the water purifying tank is communicated with a water outlet pipe, and the water inlet pipe and the water outlet pipe are both provided with an external pipe cover, the inner wall of the water purifying tank is fixedly connected with an inclined drainage plate, and the slope drainage plate is located the oral siphon below, the inner wall of water purification case is equipped with the purification subassembly, and purifies the below that the subassembly is located the slope drainage plate.
Preferably, purify the subassembly and include power rod, compound spring and purification board of turning round, power rod fixed connection is in the inner wall of water purification case, purification board movable mounting is on power rod, reset spring overlaps in power rod's tip, and reset spring's both ends respectively fixed connection on power rod and on the purification board.
Preferably, the top of purification board has been seted up through hole, and penetrating hole inner wall fixedly connected with upper filter screen and lower floor's filter screen, the socket has been seted up to the side of purification board, and the socket is located between upper filter screen and the lower floor's filter screen, peg graft in the socket has the cleaning vessel.
Preferably, the right side fixedly connected with shrouding of cleaning vessel, and fixedly connected with pivot on the shrouding, threaded connection has sealed lid in the pivot, and sealed threaded connection of lid in the socket.
Preferably, a handle is fixedly connected to the outer side of the sealing cover.
Preferably, servo motor is installed to the inner wall in light-transmitting cavity, and servo motor's output is fixed to be linked with incomplete gear a, positioning pin's fixed surface is connected with incomplete gear b, incomplete gear a and incomplete gear b meshing, the lateral wall fixedly connected with reflection arc cover of purifying box, and the reflection arc cover is located the oblique top of sterilamp.
Preferably, the hydraulic pump is installed on the right side of water purification case, and the intercommunication has two to dredge the pipe on the hydraulic pump, dredges pipe and purifies the chamber intercommunication, and another dredges the pipe and extends to the top of slope drainage plate.
Preferably, the quantity of slope drainage plate is two, and two slope drainage plates are the V type and distribute.
Compared with the prior art, the invention has the beneficial effects that:
(1) this all-round self-cleaning's that disinfects ultraviolet water purifier, water get into the water purification intracavity from the oral siphon, and water is earlier in the same direction as it flows through the slope drainage plate, and the sterilamp starts, makes it carry out ultraviolet sterilization to the water of flow for the hydroenergy that gets into the water purification incasement can be the disinfection of disinfecting, makes water can all-round the disinfection of disinfecting, improves the bactericidal effect, and rethread purification unit carries out purification treatment to water, with the quality of guarantee water.
(2) This all-round self-cleaning's that disinfects ultraviolet water purifier can open servo motor at the ultraviolet sterilization in-process, servo motor passes through incomplete gear a and drives incomplete gear b swing for the location round pin axle drives the sterilamp swing, the setting of cooperation reflection arc cover, when the sterilamp swing, ultraviolet ray shines on the reflection arc cover, under the reflex action of reflection arc cover, make the ultraviolet ray focus on the slope drainage plate, make full use of ultraviolet irradiation, thereby make bactericidal effect better.
(3) This all-round self-cleaning's that disinfects ultraviolet water purifier purifies upper filter screen and lower floor's filter screen in the subassembly and carries out the secondary filter purification to water, and the impurity of its aquatic is by the separation to the cleaning ware in, and the inner wall of cleaning ware is netted, and the cleaning ware is convenient for the dismouting in addition between upper filter screen and lower floor's filter screen, makes its clearance more convenient, the life of extension equipment.
Drawings
FIG. 1 is a structural cross-sectional view of a structural water purification tank of the present invention;
FIG. 2 is a schematic view of the structure of the structural purification unit of the present invention;
FIG. 3 is a structural cross-sectional view of a structural purification plate of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3 in accordance with the present invention;
FIG. 5 is a cross-sectional view of another embodiment of the structural water purification tank of the present invention;
FIG. 6 is a perspective view of the structure of the cleaning dish of the present invention.
In the figure: 1. a water purifying tank; 101. a light-transmitting cavity; 102. a purification chamber; 2. a transparent partition; 3. positioning a pin shaft; 4. mounting a disc; 5. an ultraviolet germicidal lamp; 6. inclining the drainage plate; 7. a purification assembly; 71. a power rod; 72. a complex torsion spring; 73. a purification plate; 8. a servo motor; 9. a incomplete gear a; 10. a stub gear b; 11. a reflective arc shield; 12. a hydraulic pump; 13. a dredging pipe; 14. a through hole; 15. an upper layer of filter screen; 16. a lower layer filter screen; 17. a socket; 18. cleaning a dish; 181. closing the plate; 19. a rotating shaft; 20. a sealing cover; 21. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.
Referring to fig. 1-6, the present invention provides a technical solution: an ultraviolet water purifier with omnibearing sterilization and automatic cleaning functions comprises a water purifying tank 1, a transparent clapboard 2 is fixedly connected with the inner wall of the water purifying tank 1, the transparent clapboard 2 divides the inner cavity of the water purifying tank 1 into a light-transmitting cavity 101 and a purifying cavity 102 from top to bottom, the inner wall of the light-transmitting cavity 101 is rotatably provided with a positioning pin shaft 3, and the positioning pin shaft 3 is fixedly connected with an installation disc 4, the installation disc 4 is horizontally and transversely arranged, the bottom of the installation disc 4 is provided with an ultraviolet germicidal lamp 5, the left side of the water purifying tank 1 is communicated with a water inlet pipe, the water inlet pipe is positioned below the transparent partition plate 2, the bottom of the left side of the water purifying tank 1 is communicated with a water outlet pipe, and the water inlet pipe and the water outlet pipe are both provided with an external pipe cover, the inner wall of the water purifying tank 1 is fixedly connected with an inclined drainage plate 6, and the slope drainage plate 6 is located the oral siphon below, and the inner wall of water purification case 1 is equipped with purification component 7, and purification component 7 is located the below of slope drainage plate 6.
The purification assembly 7 comprises a power rod 71, a complex torsion spring 72 and a purification plate 73, the power rod 71 is fixedly connected to the inner wall of the water purification tank 1, the purification plate 73 is movably installed on the power rod 71, a return spring is sleeved at the end part of the power rod 71, and two ends of the return spring are respectively and fixedly connected to the power rod 71 and the purification plate 73.
Through hole 14 has been seted up at the top of purification board 73, and through hole 14 inner wall fixedly connected with upper screen 15 and lower floor's filter screen 16, and socket 17 has been seted up to the side of purification board 73, and socket 17 is located between upper screen 15 and the lower floor's filter screen 16, and the interpolation of socket 17 is connected with cleaning ware 18.
The right side fixedly connected with shrouding 181 of cleaning dish 18, and fixedly connected with pivot 19 on the shrouding 181, threaded connection has sealed lid 20 on the pivot 19, and sealed threaded connection of sealed lid 20 is in socket 17.
A handle 21 is fixedly connected to the outer side of the sealing cover 20.
A hydraulic pump 12 is arranged on the right side of the purified water tank 1, two dredging pipes 13 are communicated with the hydraulic pump 12, one dredging pipe 13 is communicated with the purifying cavity 102, and the other dredging pipe 13 extends to the upper part of the inclined flow guide plate 6.
The quantity of slope drainage plate 6 is two, and two slope drainage plates 6 are the V type and distribute.
The working principle is as follows: water enters the water purifying cavity 102 from the water inlet pipe, flows along the water inlet pipe through the inclined drainage plate 6, the ultraviolet sterilizing lamp 5 is started to sterilize the flowing water by ultraviolet rays, so that the water entering the water purifying tank 1 can be sterilized and disinfected, the water can be sterilized and disinfected in all directions, the sterilizing effect is improved, and then the water is purified by the purifying assembly 7 to ensure the quality of the water;
the servo motor 8 can be started in the ultraviolet sterilization process, the servo motor 8 drives the incomplete gear b10 to swing through the incomplete gear a9, so that the positioning pin shaft 3 drives the ultraviolet sterilization lamp 5 to swing, the arrangement of the reflecting arc hood 11 is matched, when the ultraviolet sterilization lamp 5 swings, ultraviolet light irradiates on the reflecting arc hood 11, under the reflection action of the reflecting arc hood 11, the ultraviolet light is gathered on the inclined drainage plate 6, the irradiation of the ultraviolet light is fully utilized, and the sterilization effect is better;
purify upper filter screen 15 and lower floor's filter screen 16 in the subassembly 7 and carry out the secondary filter purification to water, impurity in its aquatic is by the separation to in the clean ware 18, and the inner wall of clean ware 18 is netted, and clean ware 18 convenient dismouting in addition is between upper filter screen 15 and lower floor's filter screen 16, makes its clearance more convenient, the life of extension equipment.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides an all-round self-cleaning's that disinfects ultraviolet purifier, includes water purification case (1), its characterized in that: the inner wall fixedly connected with transparent baffle (2) of water purification case (1), and transparent baffle (2) separate the inner chamber of water purification case (1) from last to separating for light-transmitting chamber (101) and purification chamber (102) down, the inner wall of light-transmitting chamber (101) rotates and installs locating pin axle (3), and fixedly connected with mounting disc (4) on locating pin axle (3), mounting disc (4) level is transversely set for, and ultraviolet germicidal lamp (5) are installed to the bottom of mounting disc (4), the left side intercommunication of water purification case (1) has the oral siphon, and the oral siphon is located the below of transparent baffle (2), the left bottom intercommunication of water purification case (1) has the outlet pipe, and all installs the pipe cap of peripheral hardware on oral siphon and the outlet pipe, the inner wall fixedly connected with slope drainage plate (6) of water purification case (1), and slope drainage plate (6) are located the oral siphon below, the inner wall of the water purifying tank (1) is provided with a purifying component (7), and the purifying component (7) is positioned below the inclined drainage plate (6).
2. The ultraviolet water purifier with the functions of omnibearing sterilization and automatic cleaning according to claim 1, which is characterized in that: purify subassembly (7) and include power pole (71), compound torsion spring (72) and purification board (73), power pole (71) fixed connection is in the inner wall of water purification case (1), purification board (73) movable mounting is on power pole (71), reset spring overlaps in the tip of power pole (71), and reset spring's both ends respectively fixed connection on power pole (71) and on purification board (73).
3. The ultraviolet water purifier with the functions of omnibearing sterilization and automatic cleaning as claimed in claim 2, which is characterized in that: through hole (14) have been seted up at the top of purifying plate (73), and through hole (14) inner wall fixedly connected with upper filter screen (15) and lower floor's filter screen (16), socket (17) have been seted up to the side of purifying plate (73), and socket (17) are located between upper filter screen (15) and lower floor's filter screen (16), it has clean ware (18) to peg graft in socket (17).
4. The ultraviolet water purifier with the functions of omnibearing sterilization and automatic cleaning according to claim 3, characterized in that: the right side fixedly connected with shrouding (181) of cleaning dish (18), and fixedly connected with pivot (19) on shrouding (181), threaded connection has sealed lid (20) on pivot (19), and sealed threaded connection of sealed lid (20) is in socket (17).
5. The ultraviolet water purifier with the functions of omnibearing sterilization and automatic cleaning as claimed in claim 4, is characterized in that: the outer side of the sealing cover (20) is fixedly connected with a handle (21).
6. The ultraviolet water purifier with the functions of omnibearing sterilization and automatic cleaning according to claim 1, which is characterized in that: servo motor (8) are installed to the inner wall in light-transmitting chamber (101), and the output of servo motor (8) is fixed to be linked with incomplete gear a (9), the fixed surface of locating pin axle (3) is connected with incomplete gear b (10), incomplete gear a (9) and incomplete gear b (10) meshing, the lateral wall fixedly connected with arc-reflecting cover (11) of purifying box, and arc-reflecting cover (11) are located sterilamp (5) top to one side.
7. The ultraviolet water purifier with the functions of omnibearing sterilization and automatic cleaning according to claim 1, which is characterized in that: the right side of water purification case (1) is installed hydraulic pump (12), and hydraulic pump (12) go up the intercommunication have two to dredge pipe (13), dredge pipe (13) and purify chamber (102) intercommunication, another is dredged pipe (13) and is extended to the top of slope drainage plate (6).
8. The ultraviolet water purifier with the functions of omnibearing sterilization and automatic cleaning according to claim 1, which is characterized in that: the quantity of slope drainage plate (6) is two, and two slope drainage plates (6) are the V type and distribute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110505302.4A CN113336375A (en) | 2021-05-10 | 2021-05-10 | All-round self-cleaning's that disinfects ultraviolet ray water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110505302.4A CN113336375A (en) | 2021-05-10 | 2021-05-10 | All-round self-cleaning's that disinfects ultraviolet ray water purifier |
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| Publication Number | Publication Date |
|---|---|
| CN113336375A true CN113336375A (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110505302.4A Pending CN113336375A (en) | 2021-05-10 | 2021-05-10 | All-round self-cleaning's that disinfects ultraviolet ray water purifier |
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| Country | Link |
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| CN (1) | CN113336375A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001047039A (en) * | 1999-08-11 | 2001-02-20 | Ozuwan Kk | Ultraviolet sterilization cleaning apparatus |
| CN207108698U (en) * | 2017-04-20 | 2018-03-16 | 邓宏文 | A kind of sterilizing water fetching device of high-efficiency environment friendly |
| CN108164062A (en) * | 2018-01-19 | 2018-06-15 | 宋依纳 | A kind of large size aquarium waste water deep UV purifier |
| CN207891086U (en) * | 2018-01-16 | 2018-09-21 | 上海富诗特仪器设备有限公司 | A kind of ultra-pure water preparation ultraviolet sterilization apparatus |
| CN208471778U (en) * | 2018-07-09 | 2019-02-05 | 南通海利源船舶设备工程有限公司 | A kind of ultraviolet ship ballast water treatment device |
| CN109460125A (en) * | 2018-11-01 | 2019-03-12 | 苏州佩斯夫智能科技有限公司 | A kind of medical computer cabinet with sterilizing unit |
| CN208694413U (en) * | 2018-05-17 | 2019-04-05 | 祁志伟 | A kind of block-proof type purifying processing device |
| CN109850986A (en) * | 2019-01-25 | 2019-06-07 | 广州市欧树环保科技有限公司 | A kind of good apparatus for ultraviolet disinfection of bactericidal effect for wastewater treatment |
| CN211035589U (en) * | 2020-05-21 | 2020-07-17 | 扬州众诚水处理科技有限公司 | Energy-saving water purifying device |
| CN111692667A (en) * | 2020-06-09 | 2020-09-22 | 史其新 | Mobile killing device for pathogens in closed space |
| CN111822295A (en) * | 2020-08-20 | 2020-10-27 | 吉林农业大学 | Protection device for photoelectric device ultraviolet ray toasts |
-
2021
- 2021-05-10 CN CN202110505302.4A patent/CN113336375A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001047039A (en) * | 1999-08-11 | 2001-02-20 | Ozuwan Kk | Ultraviolet sterilization cleaning apparatus |
| CN207108698U (en) * | 2017-04-20 | 2018-03-16 | 邓宏文 | A kind of sterilizing water fetching device of high-efficiency environment friendly |
| CN207891086U (en) * | 2018-01-16 | 2018-09-21 | 上海富诗特仪器设备有限公司 | A kind of ultra-pure water preparation ultraviolet sterilization apparatus |
| CN108164062A (en) * | 2018-01-19 | 2018-06-15 | 宋依纳 | A kind of large size aquarium waste water deep UV purifier |
| CN208694413U (en) * | 2018-05-17 | 2019-04-05 | 祁志伟 | A kind of block-proof type purifying processing device |
| CN208471778U (en) * | 2018-07-09 | 2019-02-05 | 南通海利源船舶设备工程有限公司 | A kind of ultraviolet ship ballast water treatment device |
| CN109460125A (en) * | 2018-11-01 | 2019-03-12 | 苏州佩斯夫智能科技有限公司 | A kind of medical computer cabinet with sterilizing unit |
| CN109850986A (en) * | 2019-01-25 | 2019-06-07 | 广州市欧树环保科技有限公司 | A kind of good apparatus for ultraviolet disinfection of bactericidal effect for wastewater treatment |
| CN211035589U (en) * | 2020-05-21 | 2020-07-17 | 扬州众诚水处理科技有限公司 | Energy-saving water purifying device |
| CN111692667A (en) * | 2020-06-09 | 2020-09-22 | 史其新 | Mobile killing device for pathogens in closed space |
| CN111822295A (en) * | 2020-08-20 | 2020-10-27 | 吉林农业大学 | Protection device for photoelectric device ultraviolet ray toasts |
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