CN105905978B - Ultraviolet lamp tube fixing device in marine ballast water system - Google Patents
Ultraviolet lamp tube fixing device in marine ballast water system Download PDFInfo
- Publication number
- CN105905978B CN105905978B CN201610425563.4A CN201610425563A CN105905978B CN 105905978 B CN105905978 B CN 105905978B CN 201610425563 A CN201610425563 A CN 201610425563A CN 105905978 B CN105905978 B CN 105905978B
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- China
- Prior art keywords
- lamp tube
- mounting hole
- wall
- ultraviolet lamp
- elastic
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 230000017525 heat dissipation Effects 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 29
- 239000010453 quartz Substances 0.000 claims description 27
- 238000009434 installation Methods 0.000 abstract description 11
- 238000013016 damping Methods 0.000 abstract description 9
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 6
- 230000005489 elastic deformation Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000002147 killing effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- 230000002779 inactivation Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/008—Originating from marine vessels, ships and boats, e.g. bilge water or ballast water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
Abstract
A device for fixing an ultraviolet lamp tube in a marine ballast water system is provided with a support sleeve, wherein the outer wall of the support sleeve is provided with elastic support legs, one end of the support sleeve is provided with a lamp tube mounting plate, the middle part of the lamp tube mounting plate is provided with a mounting hole, the inner wall of the mounting hole is circumferentially and uniformly provided with at least three strip-shaped fixing elastic sheets, one end of each fixing elastic sheet is fixedly connected with the inner wall of the mounting hole, and the other end of each fixing elastic sheet is bent towards the inside of the support sleeve; the lamp tube mounting plate is circular, and circulation heat dissipation notches are uniformly distributed on the periphery of the lamp tube mounting plate; the mounting hole in the middle of the lamp tube mounting plate is a round hole, arc mounting grooves are uniformly distributed on the inner wall of the mounting hole in the circumferential direction, and the fixing elastic pieces are mounted in the mounting grooves; the bent part of the fixed elastic sheet towards the inside of the supporting sleeve forms an included angle of 2-10 degrees with the axis of the mounting hole. The invention has the advantages of simple structure, low cost, simple and convenient installation, good damping and buffering effects, difficult damage of the ultraviolet lamp tube and long service life.
Description
Technical Field
The invention relates to a bacteria killing device in a marine ballast water system, in particular to an ultraviolet lamp tube fixing device in the marine ballast water system, which has the advantages of simple structure, low cost, simple and convenient installation, good damping and buffering effects, difficult damage of an ultraviolet lamp tube and long service life.
Background
As the marine ballast water system adopted by the ultraviolet inactivation technology belongs to the physical killing technology, the marine ballast water system has the characteristics of no environmental pollution, no need of using extra consumables, compact structure and the like, and has a large market share in the field of ballast water. The core component of ultraviolet inactivation is an ultraviolet lamp tube in an ultraviolet reactor. Because the ultraviolet reactor is filled with seawater when in work, a quartz sleeve is arranged outside the ultraviolet lamp to isolate the seawater, and a support component of the ultraviolet lamp is arranged inside the quartz sleeve, so as to achieve the best disinfection and killing effect, the diameter of the quartz sleeve is usually very small, the standard outer diameter of the sleeve is phi 32-phi 35mm, and the wall thickness is about 2mm, so the space for arranging the lamp tube support inside is very narrow. Meanwhile, the lamp tube body is made of high-purity quartz glass, and in order to achieve the best light transmission effect, the quartz glass for manufacturing the lamp tube is usually very thin, and the thickness is generally only 0.3-0.5 mm. Damage and breakage may occur due to axial compression or slight radial vibration.
The structure for fixedly installing the ultraviolet lamp tube in the ultraviolet reactor in the existing ship ballast water system is as follows: the end part of the quartz sleeve is provided with a sealing end cover, the sealing end cover is provided with a wiring hole, an ultraviolet lamp tube fixing device is arranged in the quartz sleeve on the inner side of the sealing end cover and comprises a supporting sleeve and a radial positioning plate, the outer end part of the supporting sleeve is fixedly connected with the inner side of the sealing end cover, the radial positioning plate is arranged at the inner end of the supporting sleeve, a radial mounting gap (in clearance fit with the radial positioning plate) is arranged between the radial positioning plate and the inner wall of the quartz sleeve, the center of the radial positioning plate is provided with an ultraviolet lamp tube mounting hole, and a mounting head at one end of the ultraviolet lamp tube is inserted and mounted in the ultraviolet lamp tube mounting hole; the two ends of the ultraviolet lamp tube are the same as the fixed mounting structure of the quartz sleeve, and the ultraviolet lamp tube is fixedly mounted in the quartz sleeve. When the quartz sleeve is used and installed, the sealing end covers at the two ends of the quartz sleeve are fixed at proper positions. The prior ultraviolet lamp tube fixing device has the following defects: 1. a radial fit clearance is reserved between the radial positioning plate and the inner wall of the quartz sleeve, and when the ship body vibrates, the radial positioning plate generates large impact force on the quartz sleeve and the ultraviolet lamp tube, so that the quartz sleeve and the ultraviolet lamp tube are easily broken and damaged. 2. There is axial installation clearance radial locating plate and the installation head ladder block department of ultraviolet fluorescent tube, and axial installation clearance can increase along with the extension of live time, when the hull slope was swayd, the fluorescent tube can axial float, and radial locating plate causes the striking and shortens life to the fluorescent tube, breaks even. 3. The radial positioning plate relatively seals the mounting head at the end part of the ultraviolet lamp tube in a small space below the mounting head, so that the mounting head is limited in cooling, and during working, high temperature generated by the mounting head at the end part of the ultraviolet lamp tube is scattered in time, so that the service life of the mounting head can be shortened, and even the mounting head of metal is melted.
Disclosure of Invention
The invention aims to solve the defects of the traditional fixing device and provides the fixing device for the ultraviolet lamp tube in the marine ballast water system, which has the advantages of simple structure, low cost, simple and convenient installation, good damping and buffering effects, difficult damage of the ultraviolet lamp tube and long service life.
The technical scheme adopted by the invention for solving the defects of the prior art is as follows:
the utility model provides an ultraviolet fluorescent tube fixing device in marine ballast water system is equipped with support sleeve pipe, its characterized in that: the outer wall of the supporting sleeve is provided with elastic support legs, one end of the supporting sleeve is provided with a lamp tube mounting plate, the middle part of the lamp tube mounting plate is provided with a mounting hole, the inner wall of the mounting hole is circumferentially and uniformly distributed with at least three strip-shaped fixed elastic sheets (spring steel sheets), one end of each fixed elastic sheet is fixedly connected with the inner wall of the mounting hole, and the other end of each fixed elastic sheet is bent towards the inside of the supporting sleeve; the lamp tube mounting plate is circular, and circulation heat dissipation notches are uniformly distributed on the periphery of the lamp tube mounting plate; the mounting hole in the middle of the lamp tube mounting plate is a round hole, arc mounting grooves are uniformly distributed on the inner wall of the mounting hole in the circumferential direction, and the fixing elastic pieces are mounted in the mounting grooves; the bent part of the fixed elastic sheet towards the inside of the supporting sleeve forms an included angle of 2-10 degrees with the axis of the mounting hole, and the maximum distance from the bent part of the fixed elastic sheet towards the inside of the supporting sleeve to the axis of the mounting hole is not more than the radius of the mounting hole.
The axial direction of the supporting sleeve is at least provided with two groups of elastic support legs, and each group comprises at least three elastic support legs; or the outer wall of the supporting sleeve is uniformly provided with elastic supporting legs. Ensure the support to be stable and not easy to move.
The elastic supporting legs are square blocks, the outer side surfaces of the elastic supporting legs are cambered surfaces which are closely matched with the inner wall of the quartz sleeve, and the inner side surfaces of the elastic supporting legs are cambered surfaces which are closely matched with the outer wall of the supporting sleeve. The inner side of the elastic support leg is tightly fixed on the outer wall of the support sleeve.
The middle part of the inner side surface of each elastic support leg is provided with a connecting column, and a conical fixed chuck with the bottom surface diameter larger than the diameter is arranged on the connecting column; the supporting sleeve is provided with an inserting hole, and the elastic support legs are inserted and clamped on the supporting sleeve through the connecting column and the fixed clamping head. The elastic support legs, the connecting columns and the fixing chuck are integrally made of fluororubber.
The bent part of the fixed elastic sheet towards the inside of the supporting sleeve forms an included angle of 5 degrees with the axis of the mounting hole.
The inner side wall of the fixed elastic sheet is in an arc shape which is matched with the mounting head at the end part of the ultraviolet lamp in an attaching way. The installation head of the end part of the ultraviolet lamp tube can be tightly attached, and the fixing effect is better.
When the ultraviolet lamp tube is used, the mounting head at one end of the ultraviolet lamp tube is inserted into the mounting hole of the lamp tube mounting plate and between the fixed elastic sheets, one end of the lamp tube is clamped by means of elastic deformation of the fixed elastic sheets, the other end of the ultraviolet lamp is inserted into the quartz sleeve, a small amount of clear water is coated on the surfaces of the elastic support legs, and the ultraviolet lamp is driven to a proper fixed position under the lubricating action of the water; coating a small amount of clear water on the surface of the other elastic support leg, pressing the mounting hole of the lamp tube mounting plate into the quartz sleeve opposite to the mounting head at the other end of the ultraviolet lamp tube, and inserting the mounting head at the other end of the ultraviolet lamp tube into the mounting hole and between the fixed elastic pieces when the other elastic support leg is pressed into a proper position; and then the sealing end cover at the end part of the quartz sleeve is installed, thus finishing the fixed connection of the ultraviolet lamp tube and the quartz sleeve. When the ultraviolet lamp works, the heat emitted by the ultraviolet lamp can quickly evaporate water on the surface of the elastic support legs, the elastic support legs and the inner surface of the quartz tube have large friction force, the support sleeve can be effectively fixed to prevent the support sleeve from axially moving, and the fixing elastic sheet clamps and positions the ultraviolet lamp tube by means of elastic deformation to prevent the ultraviolet lamp tube from radially vibrating; and the elastic support legs and the fixed elastic pieces have the effect of buffering and damping, and the effect of damping by matching the elastic support legs and the fixed elastic pieces is remarkable, so that the damage to the ultraviolet lamp tube caused by the advancing and bumping of the ship can be effectively avoided. The invention has the advantages of simple structure, low manufacturing cost, convenient and quick installation, good fixing effect, good damping performance and better temperature resistance, and can ensure the normal work of the ultraviolet lamp tube in marine or other vibration environments.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partially enlarged view of fig. 1 at a.
Fig. 3 is a bottom view of fig. 1.
Fig. 4 is a schematic perspective view of the present invention.
Fig. 5 is a perspective view of the elastic leg of the present invention.
Fig. 6 is a use state reference diagram of the present invention.
Detailed Description
As shown in fig. 1-5, the ultraviolet lamp tube fixing device in a marine ballast water system is provided with a support sleeve 2, and elastic support legs 1 are arranged on the outer wall of the support sleeve 2, as can be seen from fig. 4 and 6, two groups of elastic support legs are arranged in the axial direction of the support sleeve, each group of three elastic support legs are arranged, and the three elastic support legs of each group are uniformly arranged on the support sleeve in the circumferential direction; or the outer wall of the support sleeve is uniformly provided with elastic support legs; as can be seen from FIG. 5, the elastic support legs are square blocks, the outer side surfaces of the elastic support legs are cambered surfaces which are closely matched with the inner wall of the quartz sleeve, the inner side surfaces of the elastic support legs are cambered surfaces which are closely matched with the outer wall of the support sleeve, and the inner side surfaces of the elastic support legs are closely fixed on the outer wall of the support sleeve; a connecting column 7 is arranged in the middle of the inner side surface of each elastic supporting leg, and a conical fixed chuck 8 with the bottom surface diameter larger than that of the connecting column is arranged on the connecting column 7; the supporting sleeve is provided with an inserting hole, and the connecting column 7 on the elastic supporting leg and the fixed chuck 8 are inserted and clamped and fixed in the inserting hole of the supporting sleeve 2. The elastic support legs, the connecting columns and the fixed clamping heads are integrally manufactured and made of fluororubber; the elastic support legs are simple and convenient to install, stable in supporting and not easy to move. One end of the support sleeve 2 is provided with a lamp tube mounting plate 4, the lamp tube mounting plate 4 is circular (in clearance fit with the inner wall of the quartz sleeve), and circulation heat dissipation notches 5 are uniformly distributed on the periphery of the lamp tube mounting plate 4. The middle part of the lamp tube mounting plate 4 is provided with a mounting hole which is a round hole, the inner wall of the mounting hole is circumferentially and evenly provided with at least three strip-shaped fixed elastic pieces 3 (spring steel sheets), and one end of each fixed elastic piece 3 is fixedly connected with the inner wall of the mounting hole, and the other end of each fixed elastic piece is bent towards the inside of the support sleeve 2. As can be seen from the figure, arc-shaped mounting grooves 6 are uniformly distributed on the inner wall of the mounting hole in the circumferential direction, and the fixed elastic sheet is mounted in the mounting grooves 6; the included angle between the bent part of the fixed elastic sheet towards the inside of the supporting sleeve and the axis of the mounting hole is 2-10 degrees, preferably 5 degrees, and the maximum distance between the bent part of the fixed elastic sheet towards the inside of the supporting sleeve and the axis of the mounting hole is not more than the radius of the mounting hole; the inner side wall of the fixed elastic sheet is in an arc shape which is attached and matched with the mounting head at the end part of the ultraviolet lamp tube. The installation head of the end part of the ultraviolet lamp tube can be tightly attached, and the fixing effect is better. As can be seen from fig. 3, the circulation heat dissipation notches 5 and the mounting grooves are staggered in the circumferential direction of the inner side and the outer side of the lamp tube mounting plate 4, which ensures the strength of the lamp tube mounting plate while playing a role.
When the ultraviolet lamp tube is used, the mounting head 9 at one end of the ultraviolet lamp tube is inserted into the mounting hole of the lamp tube mounting plate and between the fixed elastic sheets 3, one end 9 of the lamp tube is clamped by means of elastic deformation of the fixed elastic sheets 3, the other end of the ultraviolet lamp is inserted into the quartz sleeve, a small amount of clear water is coated on the surface of the elastic supporting leg 1, and the ultraviolet lamp is driven to a proper fixed position under the lubricating action of water; coating a small amount of clear water on the surface of the other elastic support leg, pressing the mounting hole of the lamp tube mounting plate into the quartz sleeve opposite to the mounting head at the other end of the ultraviolet lamp tube, and inserting the mounting head at the other end of the ultraviolet lamp tube into the mounting hole and between the fixed elastic pieces when the other elastic support leg is pressed into a proper position; and then the end cover 10 at the end of the quartz sleeve is mounted, so that the fixed connection between the ultraviolet lamp tube and the quartz sleeve is completed, and the structure after the mounting is as shown in fig. 6. When the ultraviolet lamp works, the heat emitted by the ultraviolet lamp can quickly evaporate water on the surfaces of the elastic support legs, the elastic support legs and the inner surface of the quartz tube have large friction force, the support sleeve can be effectively fixed to prevent the support sleeve from axially moving, and the fixing elastic sheet clamps and positions the ultraviolet lamp tube by means of elastic deformation to prevent the ultraviolet lamp tube from radially vibrating; and the elastic support legs and the fixed elastic pieces have the effect of buffering and damping, and the effect of damping by matching the elastic support legs and the fixed elastic pieces is remarkable, so that the damage to the ultraviolet lamp tube caused by the advancing and bumping of the ship can be effectively avoided. The invention has the advantages of simple structure, low manufacturing cost, convenient and quick installation, good fixing effect and good damping performance, and can ensure the normal work of the ultraviolet lamp tube in marine or other vibration environments. The circulation heat dissipation notch has increased the space of the installation head department intercommunication of ultraviolet lamp pipe tip, improves the thermal diffusivity, has better high temperature resistance. Because the fixed elastic sheet is arranged in the mounting groove, the maximum distance from the bent part of the fixed elastic sheet to the inner part of the supporting sleeve to the axis of the mounting hole is not more than the radius of the mounting hole, and the inner side surface of the fixed elastic sheet and the inner side surface of the mounting hole are almost on the same plane; after the mounting head at one end of the cylindrical ultraviolet lamp tube is clamped between the fixed elastic sheets, the distance between the mounting head and the inner side surface of the mounting hole is small, the mounting head is easy to observe, the fixed elastic sheets which do not meet the standard can be found and adjusted in time, and the ultraviolet lamp tube is prevented from being damaged. The existence of the mounting groove further enlarges the heat dissipation space of the mounting head at the end part of the ultraviolet lamp tube, and increases the selection range of the ultraviolet lamp tube.
Claims (4)
1. The utility model provides an ultraviolet fluorescent tube fixing device in marine ballast water system is equipped with support sleeve pipe, its characterized in that: the outer wall of the supporting sleeve is provided with elastic support legs, one end of the supporting sleeve is provided with a lamp tube mounting plate, the middle part of the lamp tube mounting plate is provided with a mounting hole, the inner wall of the mounting hole is circumferentially and uniformly distributed with at least three strip-shaped fixed elastic sheets, one end of each fixed elastic sheet is fixedly connected with the inner wall of the mounting hole, and the other end of each fixed elastic sheet is bent towards the inside of the supporting sleeve; the lamp tube mounting plate is circular, and circulation heat dissipation notches are uniformly distributed on the periphery of the lamp tube mounting plate; the mounting hole in the middle of the lamp tube mounting plate is a round hole, arc mounting grooves are uniformly distributed on the inner wall of the mounting hole in the circumferential direction, and the fixing elastic pieces are mounted in the mounting grooves; the bent part of the fixed elastic sheet towards the inside of the supporting sleeve forms an included angle of 2-10 degrees with the axis of the mounting hole; the elastic support legs are square blocks, the outer side surfaces of the elastic support legs are cambered surfaces which are closely matched with the inner wall of the quartz sleeve, and the inner side surfaces of the elastic support legs are cambered surfaces which are closely matched with the outer wall of the supporting sleeve; the middle part of the inner side surface of each elastic supporting leg is provided with a connecting column, and a conical fixed chuck with the bottom surface diameter larger than that of the connecting column is arranged on the connecting column; the supporting sleeve is provided with an inserting hole, and the elastic support legs are inserted and clamped on the supporting sleeve through the connecting column and the fixed clamping head.
2. The ultraviolet lamp tube fixing device in a ballast water system for a ship of claim 1, wherein: the supporting sleeve is axially provided with at least two groups of elastic support legs which are uniformly distributed in the circumferential direction, and each group comprises at least three elastic support legs; or the outer wall of the supporting sleeve is uniformly provided with elastic supporting legs.
3. The ultraviolet lamp tube fixing device in a ballast water system for a ship of claim 1, wherein: the inner side wall of the fixed elastic sheet is in an arc shape which is matched with the mounting head at the end part of the ultraviolet lamp in an attaching way.
4. The ultraviolet lamp tube fixing device in a ballast water system for a ship of claim 1, wherein: the bent part of the fixed elastic sheet towards the inside of the supporting sleeve forms an included angle of 5 degrees with the axis of the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610425563.4A CN105905978B (en) | 2016-06-16 | 2016-06-16 | Ultraviolet lamp tube fixing device in marine ballast water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610425563.4A CN105905978B (en) | 2016-06-16 | 2016-06-16 | Ultraviolet lamp tube fixing device in marine ballast water system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105905978A CN105905978A (en) | 2016-08-31 |
| CN105905978B true CN105905978B (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610425563.4A Active CN105905978B (en) | 2016-06-16 | 2016-06-16 | Ultraviolet lamp tube fixing device in marine ballast water system |
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| Country | Link |
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| CN (1) | CN105905978B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048605B (en) * | 2021-03-23 | 2022-09-27 | 北京航天奥祥通风科技股份有限公司 | Ultraviolet lamp tube fixing device for purifier and purifier |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001725A (en) * | 2010-12-22 | 2011-04-06 | 上海渥泰环保科技有限公司 | Ultraviolet sterilization device |
| CN103910408A (en) * | 2013-11-13 | 2014-07-09 | 江苏海豚船舶机械有限公司 | Sealing device for ultraviolet sterilization |
| CN105384213A (en) * | 2015-12-17 | 2016-03-09 | 九江精密测试技术研究所 | Ultraviolet lamp sealing fixing device used for ship ballast water processing system |
| WO2016085387A1 (en) * | 2014-11-27 | 2016-06-02 | Wallenius Water Ab | Liquid treatment apparatus including a uv-lamp connection arrangement |
-
2016
- 2016-06-16 CN CN201610425563.4A patent/CN105905978B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001725A (en) * | 2010-12-22 | 2011-04-06 | 上海渥泰环保科技有限公司 | Ultraviolet sterilization device |
| CN103910408A (en) * | 2013-11-13 | 2014-07-09 | 江苏海豚船舶机械有限公司 | Sealing device for ultraviolet sterilization |
| WO2016085387A1 (en) * | 2014-11-27 | 2016-06-02 | Wallenius Water Ab | Liquid treatment apparatus including a uv-lamp connection arrangement |
| CN105384213A (en) * | 2015-12-17 | 2016-03-09 | 九江精密测试技术研究所 | Ultraviolet lamp sealing fixing device used for ship ballast water processing system |
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| CN105905978A (en) | 2016-08-31 |
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Effective date of registration: 20180207 Address after: 100020 Building 9, courtyard 1, No. 15 Guanghua Road, Chaoyang District, Beijing City, 908 Applicant after: COSCO SHIPBUILDING INDUSTRY Co.,Ltd. Address before: 264200 Shandong, Weihai, Shandong Province, Huancui District, Zhang Cun town, Shenyang Middle Road, Changjiang street intersection Applicant before: WEIHAI COSCO SHIPBUILDING TECHNOLOGY Co.,Ltd. Applicant before: Han Demin |
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Effective date of registration: 20191128 Address after: 264200, Shandong District, Weihai City, Huancui Town, Shenyang Road, Yangtze River Street intersection Applicant after: WEIHAI COSCO SHIPBUILDING TECHNOLOGY Co.,Ltd. Address before: 100020 Building 9, courtyard 1, No. 15 Guanghua Road, Chaoyang District, Beijing City, 908 Applicant before: COSCO SHIPBUILDING INDUSTRY Co.,Ltd. |
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Address after: No.19, Shenyang South Road, Zhangcun Town, Huancui District, Weihai City, Shandong Province 264200 Applicant after: Weihai COSCO marine heavy industry technology Co.,Ltd. Address before: 264200 intersection of Changjiang street, Shenyang Middle Road, Zhangcun Town, Huancui District, Weihai City, Shandong Province Applicant before: WEIHAI COSCO SHIPBUILDING TECHNOLOGY Co.,Ltd. |
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