CN113700644A - Sea water pump protection device - Google Patents
Sea water pump protection device Download PDFInfo
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- CN113700644A CN113700644A CN202111003605.2A CN202111003605A CN113700644A CN 113700644 A CN113700644 A CN 113700644A CN 202111003605 A CN202111003605 A CN 202111003605A CN 113700644 A CN113700644 A CN 113700644A
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- cylinder
- bottom cover
- fixed
- connecting cylinder
- protection device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M25/00—Devices for dispensing poison for animals
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Toxicology (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention discloses a sea water pump protection device which comprises a top cylinder and a connecting cylinder, wherein the axis of the top cylinder is arranged on the extension line of the axis of the connecting cylinder, the bottom end of the top cylinder is fixed with the top end of the connecting cylinder, and anode block units are fixed on the side surfaces of the top cylinder and the connecting cylinder. The invention effectively relieves the corrosion of the seawater pump by isolating relatively independent space and under the ionization balance action of the anode block unit, thereby achieving the purpose of protecting the seawater pump.
Description
Technical Field
The invention relates to the field of ocean engineering machinery protection devices, in particular to a sea water pump protection device.
Background
In the offshore oil engineering, seawater is mostly adopted as fire water and part of equipment cooling water for a drilling and production platform, a seawater pump is mostly adopted for extracting the seawater, and a seawater pump protective pipe is needed to protect a seawater lift pump body and a water delivery pipe in order to avoid external impact, seawater corrosion and marine organism erosion. Since the marine equipment is constantly in a severe working environment, for example, there are static forces that increase as the depth of water increases, dynamic forces generated by waves, dark currents, shear currents, and the like, and corrosion of the equipment by the weak alkaline seawater. When the marine equipment is soaked in seawater for a long time, and the corrosion of the equipment is added, marine organisms are easy to breed and further the corrosion is aggravated.
Therefore, the design of the seawater pump protection device needs to take into consideration various factors, including the impact of the seawater on the equipment, the growth of marine life, the corrosion of the seawater on the equipment, and the like. Generally, research on sea water pump protection devices is very little, the structures of operation sites are usually designed according to experience of operators, the protection devices used by different drilling platforms are different in structure, and corresponding functions are random. Therefore, the structural design of the sea water pump protection device is developed, and the static characteristic, the dynamic characteristic, the corrosion characteristic and other characteristics of the sea water pump and the protection device are considered, so that the sea water pump protection device has important significance for protecting the fire protection, equipment cooling and other driving and protecting navigation of a drilling and production platform and guaranteeing the development of ocean resources.
Disclosure of Invention
The invention aims to overcome the defect that a seawater pump used for fire safety and equipment cooling on a drilling platform is easy to damage under the corrosion of seawater in the prior art, and provides a seawater pump protection device.
The purpose of the invention is mainly realized by the following technical scheme:
the utility model provides a sea water pump protection device, includes a top section of thick bamboo and connecting cylinder, the axis of a top section of thick bamboo is in on the extension line of the axis of connecting cylinder, the bottom of a top section of thick bamboo is fixed with the top of connecting cylinder, all is fixed with positive pole piece unit in the side of a top section of thick bamboo and connecting cylinder.
In the prior art, the fire safety and equipment cooling of a drilling platform are very dependent on seawater pumped by a seawater pump, but seawater pump bubbles are extremely easy to damage in the seawater, the mainly related damage forms comprise biological damage, seawater erosion, plankton damage and the like, the maintenance cost and the maintenance cost on the offshore drilling platform are high, and the seawater pump also has emergency application and needs to have the capacity of being put into use at any time, so the seawater pump needs to be effectively protected to deal with the fire safety and equipment cooling of the drilling platform; according to the invention, through the top cylinder and the connecting cylinder, a structure surrounding the sea water pump is effectively formed, biological collision is avoided through a physical resisting mode, the anode block units are fixed on the side surfaces of the top cylinder and the connecting cylinder, ionization balance is effectively achieved through the anode block units, and the sea water pump is prevented from being corroded by salt substances in sea water, so that the purpose of protecting the sea water pump is achieved, the axis of the top cylinder can enable a water returning and extracting channel of the sea water pump to be smooth on the extension line of the axis of the connecting cylinder, the working incapability of the sea water pump is avoided, the corrosion of the sea water pump is effectively relieved through isolating a relatively independent space, and the purpose of protecting the sea water pump is achieved under the ionization balance action of the anode block units.
Furthermore, a positioning cylinder is fixed at the top end of the top cylinder, a cover plate is fixed above the positioning cylinder, and the cover plate is connected with the positioning cylinder through a bolt. Because the top cylinder and the connecting cylinder are both located below the sea level, the positioning cylinder and the cover plate are needed to position the device below, and the disorder of the position of the device is avoided.
Furthermore, a lateral positioning boss is fixed on the positioning cylinder. In the invention, the lateral positioning boss is matched with the mounting hole on the deck of the offshore drilling and production platform and used for preventing the rotation of the seawater pump protection device.
Further, the positive pole piece unit includes the positive pole block, the upper end of positive pole block is equipped with the installation piece, and the below of positive pole block is equipped with down the installation piece, the upper end of positive pole block supports the installation piece, and the lower extreme of positive pole block is fixed with the spring, the upper end and the positive pole block of spring are fixed, and its lower extreme is fixed with installation piece down, go up the installation piece with install down the piece all through construction bolt with it is fixed to push up a section of thick bamboo or connecting cylinder. Because the anode block belongs to the consumables, in order to better fix the anode block, the anode block is supported by the spring, so that the anode block can still be fixed between the upper mounting block and the lower mounting block after being reduced, the spring is in a compression state at the initial stage, and after the anode block is reduced, the spring deforms along with the anode block and continues to apply external force to the anode block to support the upper mounting block and the lower mounting block.
Further, the connecting cylinder comprises a connecting cylinder body, the top end of the connecting cylinder body is provided with an outer connecting cylinder step, the top cylinder comprises a top cylinder body, a top cylinder connecting hole is formed in the side face of the bottom of the top cylinder body, and the outer connecting cylinder step can be fixed with the top cylinder body through a bolt in the position of the top cylinder connecting hole. The top barrel body and the connecting barrel body are fixed by the staggered overlapping of the outer steps of the connecting barrel, so that the purpose of connecting the top barrel and the connecting barrel can be effectively achieved, and the connecting barrel is convenient to detach.
Furthermore, a top cylinder mounting hole is formed in the top cylinder body, and the anode block unit is mounted at the top cylinder mounting hole; the connecting cylinder body is provided with a connecting cylinder mounting hole, and the other anode block unit is mounted at the connecting cylinder mounting hole. The anode block unit is arranged on the connecting cylinder and the top cylinder by specially arranging the mounting hole, so that the seawater pump can be effectively prevented from being corroded by ionization.
Further, a bottom cover is fixed at the lower end of the connecting cylinder, and the bottom cover is used for: and (5) placing a seawater pump. The bottom cover is arranged to provide a placing position for the sea water pump.
Furthermore, a bottom cover step is arranged at the joint of the bottom cover and the connecting cylinder, a bottom cover connecting hole is formed in the bottom cover step, and the bottom cover and the connecting cylinder are fixed at the bottom cover connecting hole through a bolt. The bottom cover and the connecting cylinder are fixed through the bottom cover steps, so that the bottom cover and the connecting cylinder can be conveniently detached for maintenance.
Furthermore, a plurality of bottom cover normal holes are uniformly distributed on the bottom cover, and the bottom cover normal holes are communicated with the inside and the outside of the bottom cover. The normal hole of the bottom cover is an open hole for accommodating seawater circulation, so that seawater circulation can be facilitated, and the seawater pump can be used for pumping seawater.
Furthermore, agent injection pipes are arranged in the top barrel and the connecting barrel, and extend from the top end of the top barrel to the bottom end of the connecting barrel along the axes of the top barrel and the connecting barrel; the side of the injection pipe is provided with a plurality of radial holes. In the invention, the injection pipe is used for injecting the biocide into the protection device on the offshore drilling and production platform so as to inhibit the growth of marine organisms in the protection device, and the injection pipe is provided with a plurality of radial holes from top to bottom for injecting the biocide in sections.
In conclusion, compared with the prior art, the invention has the following beneficial effects:
(1) the invention effectively relieves the corrosion of the seawater pump by isolating relatively independent space and under the ionization balance action of the anode block unit, thereby achieving the purpose of protecting the seawater pump.
(2) In the invention, the spring is in a compression state at the initial stage, so that after the anode block body becomes small, the spring deforms along with the anode block body and continues to apply external force to the anode block body so as to abut against the upper mounting block and the lower mounting block.
(3) In the invention, the injection pipe is used for injecting the biocide into the protection device on the offshore drilling and production platform so as to inhibit the growth of marine organisms in the protection device, and the injection pipe is provided with a plurality of radial holes from top to bottom for injecting the biocide in sections.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a sectional view of the structure of a seawater pump protector according to the present invention;
FIG. 2 is a schematic structural diagram of an anode block unit of the seawater pump protection device of the present invention;
FIG. 3 is a schematic three-dimensional structure diagram of a seawater pump protection device according to the present invention;
FIG. 4 is another schematic three-dimensional structure of a seawater pump protection device of the present invention;
FIG. 5 is a schematic diagram of a three-dimensional structure of a positioning cylinder and a top cylinder of the seawater pump protection device after being connected;
FIG. 6 is a schematic structural diagram of a connecting cylinder of the seawater pump protection device of the present invention;
FIG. 7 is a schematic structural diagram of a bottom cover of the seawater pump protection device of the present invention;
the reference numerals in the present invention denote: 1. the device comprises a cover plate, 2. a positioning cylinder, 2a. a lateral positioning boss, 3. a top cylinder, 3a. a top cylinder barrel, 3b. a top cylinder mounting hole, 3c. a top cylinder connecting hole, 4. an injection pipe, 5. an inner hexagonal bolt, 6. a connecting cylinder, 6a. a connecting cylinder barrel, 6b. a connecting cylinder mounting hole, 6c. a connecting cylinder connecting hole, 6d. a connecting cylinder inner step, 6e. a connecting cylinder outer step, 7. an anode block unit, 7a. an upper mounting block, 7b. an anode block body, 7c. a spring, 7d. a lower mounting block, 7e. a mounting bolt, 8. a bottom cover, 8a bottom cover normal hole, 8b. bottom cover step and 8c. a bottom cover connecting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example (b):
as shown in fig. 1 to 7, the embodiment relates to a sea water pump protection device, which comprises a top barrel 3 and a connecting barrel 6, wherein the axis of the top barrel 3 is on the extension line of the axis of the connecting barrel 6, the bottom end of the top barrel 3 is fixed with the top end of the connecting barrel 6, and anode block units 7 are fixed on the side surfaces of the top barrel 3 and the connecting barrel 6.
The top of the top cylinder 3 is fixed with a positioning cylinder 2, a cover plate 1 is fixed above the positioning cylinder 2, and the cover plate 1 is connected with the positioning cylinder 2 through bolts.
A lateral positioning boss 2a is fixed on the positioning cylinder 2.
The anode block unit 7 comprises an anode block 7b, an upper mounting block 7a is arranged at the upper end of the anode block 7b, a lower mounting block 7d is arranged below the anode block 7b, the upper end of the anode block 7b abuts against the upper mounting block 7a, a spring 7c is fixed at the lower end of the anode block 7b, the upper end of the spring 7c is fixed with the anode block 7b, the lower end of the spring is fixed with the lower mounting block 7d, and the upper mounting block 7a and the lower mounting block 7d are both fixed with the top cylinder 3 or the connecting cylinder 6 through mounting bolts 7e.
The connecting cylinder 6 comprises a connecting cylinder body 6a, the top end of the connecting cylinder body 6a is provided with an outer connecting cylinder step 6e, the top cylinder 3 comprises a top cylinder body 3a, a top cylinder connecting hole 3c is formed in the side face of the bottom of the top cylinder body 3a, and the outer connecting cylinder step 6e can be fixed with the top cylinder body 3a through a bolt in the position of the top cylinder connecting hole 3c.
The top cylinder body 3a is provided with a top cylinder mounting hole 3b, and the anode block unit 7 is mounted at the top cylinder mounting hole 3 b; a connecting cylinder mounting hole 6b is formed in the connecting cylinder body 6a, and the other anode block unit 7 is mounted in the connecting cylinder mounting hole 6b.
A bottom cover 8 is fixed to the lower end of the connecting cylinder 6, and the bottom cover 8 is used for: and (5) placing a seawater pump.
The connecting part of the bottom cover 8 and the connecting cylinder 6 is provided with a bottom cover step 8b, a bottom cover connecting hole 8c is formed in the bottom cover step 8b, and the bottom cover 8 and the connecting cylinder 6 are fixed at the bottom cover connecting hole 8c through a bolt.
Be equipped with interior step 6d of connecting cylinder on connecting cylinder barrel 6a, interior step 6d of connecting cylinder is located the one end that is close to end cover 8, be equipped with connecting cylinder connecting hole 6c on the interior step 6d of connecting cylinder, end cover connecting hole 8c corresponds with connecting cylinder connecting hole 6 c's position quantity, the bolt fastening is on connecting cylinder connecting hole 6c and end cover connecting hole 8c.
In this embodiment, the bolts fixed between the top cylinder connecting hole 3c and the connecting cylinder outer step 6e, and between the connecting cylinder connecting hole 6c and the bottom cover step 8b are all inner hexagonal bolts 5.
A plurality of bottom cover normal holes 8a are uniformly distributed on the bottom cover 8, and the bottom cover normal holes 8a are communicated with the inside and the outside of the bottom cover 8. The bottom cover normal hole 8a is used for communicating the inside and the outside of the protection device with seawater, and the top cylinder body 3a and the connecting cylinder body 6a are not provided with holes for communicating the inside and the outside of the protection device with seawater.
An agent injection pipe 4 is arranged in the top barrel 3 and the connecting barrel 6, and the agent injection pipe 4 extends from the top end of the top barrel 3 to the bottom end of the connecting barrel 6 along the axial line of the top barrel 3 and the connecting barrel 6; the side surface of the injection pipe 4 is provided with a plurality of radial holes.
In practical application, the seawater pump is placed on the bottom cover 8, the suction end of the seawater pump is positioned at the lower end of the protection device, namely water sucked by the seawater pump enters from the bottom cover normal hole 8a, and effluent of the seawater pump upwards passes through the cover plate 1 through a pipeline and is introduced into a drilling and production platform deck; when the protection device is in water, biocide is injected from top to bottom through the biocide injection pipe 4 to inhibit marine organisms from growing in the protection device, due to the arrangement of the anode block unit 7, corrosion of seawater on the protection device firstly occurs on the anode block unit 7, namely the sacrificial anode block 7b, the anode block 7b is gradually reduced along with the corrosion, the spring pressure is also reduced, and when the anode block 7b falls off from the upper mounting block 7a or cannot be contacted with the upper mounting block 7a, the anode block unit 7 is replaced; a plurality of connecting cylinders 6 can be arranged between the top cylinder 3 and the bottom cover 8.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a sea water pump protection device, its characterized in that, includes top cylinder (3) and connecting cylinder (6), the axis of top cylinder (3) is in on the extension line of the axis of connecting cylinder (6), the bottom of top cylinder (3) and the top of connecting cylinder (6) are fixed, all are fixed with positive pole piece unit (7) in the side of top cylinder (3) and connecting cylinder (6).
2. A seawater pump protection device according to claim 1, wherein a positioning cylinder (2) is fixed at the top end of the top cylinder (3), a cover plate (1) is fixed above the positioning cylinder (2), and the cover plate (1) is connected with the positioning cylinder (2) through a bolt.
3. A seawater pump protection device according to claim 2, wherein a lateral positioning boss (2a) is fixed on the positioning cylinder (2).
4. The seawater pump protection device according to claim 1, wherein the anode block unit (7) comprises an anode block (7b), an upper mounting block (7a) is arranged at the upper end of the anode block (7b), a lower mounting block (7d) is arranged below the anode block (7b), the upper end of the anode block (7b) abuts against the upper mounting block (7a), a spring (7c) is fixed at the lower end of the anode block (7b), the upper end of the spring (7c) is fixed with the anode block (7b), the lower end of the spring is fixed with the lower mounting block (7d), and the upper mounting block (7a) and the lower mounting block (7d) are fixed with the top cylinder (3) or the connecting cylinder (6) through mounting bolts (7 e).
5. The seawater pump protection device according to claim 1, wherein the connecting cylinder (6) comprises a connecting cylinder body (6a), an outer connecting cylinder step (6e) is arranged at the top end of the connecting cylinder body (6a), the top cylinder (3) comprises a top cylinder body (3a), a top cylinder connecting hole (3c) is formed in the bottom side face of the top cylinder body (3a), and the outer connecting cylinder step (6e) can be fixed with the top cylinder body (3a) through a bolt at the top cylinder connecting hole (3 c).
6. A seawater pump protection device according to claim 5, wherein the top cylinder body (3a) is provided with a top cylinder mounting hole (3b), and the anode block unit (7) is mounted at the top cylinder mounting hole (3 b); a connecting cylinder mounting hole (6b) is formed in the connecting cylinder body (6a), and the other anode block unit (7) is mounted in the connecting cylinder mounting hole (6 b).
7. A seawater pump protection device according to claim 1, wherein a bottom cover (8) is fixed at the lower end of the connecting cylinder (6), the bottom cover (8) is used for: and (5) placing a seawater pump.
8. A seawater pump protection device according to claim 7, wherein a bottom cover step (8b) is arranged at the joint of the bottom cover (8) and the connecting cylinder (6), a bottom cover connecting hole (8c) is formed in the bottom cover step (8b), and the bottom cover (8) and the connecting cylinder (6) are fixed through bolts at the bottom cover connecting hole (8 c).
9. A seawater pump protection device according to claim 7, wherein a plurality of bottom cover normal holes (8a) are uniformly distributed on the bottom cover (8), and the bottom cover normal holes (8a) communicate the inside of the bottom cover (8) with the outside.
10. A seawater pump protector according to claim 1, wherein the top barrel (3) and the connecting barrel (6) are provided with an injection pipe (4), the injection pipe (4) extends from the top end of the top barrel (3) to the bottom end of the connecting barrel (6) along the axis of the top barrel (3) and the connecting barrel (6); the side surface of the injection pipe (4) is provided with a plurality of radial holes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111003605.2A CN113700644A (en) | 2021-08-30 | 2021-08-30 | Sea water pump protection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111003605.2A CN113700644A (en) | 2021-08-30 | 2021-08-30 | Sea water pump protection device |
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CN113700644A true CN113700644A (en) | 2021-11-26 |
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CN202111003605.2A Withdrawn CN113700644A (en) | 2021-08-30 | 2021-08-30 | Sea water pump protection device |
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Citations (8)
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WO2008017937A1 (en) * | 2006-08-09 | 2008-02-14 | Emstec Gmbh & Co Kg | Improvements in or relating to water suction hoses |
CN201158709Y (en) * | 2008-01-25 | 2008-12-03 | 长沙天鹅工业泵股份有限公司 | Impressed current cathode protection system of sea water recirculating pump |
JP2010190184A (en) * | 2009-02-20 | 2010-09-02 | Torishima Pump Mfg Co Ltd | Suction vortex preventive member for pump |
CN204211514U (en) * | 2014-10-30 | 2015-03-18 | 珠江水利委员会珠江水利科学研究院 | A kind of sea water desalinating plant |
CN204458561U (en) * | 2015-02-03 | 2015-07-08 | 武汉东川自来水科技开发有限公司 | A kind of anti-marine organisms device for seawater lift pump |
CN209147496U (en) * | 2018-11-30 | 2019-07-23 | 荣成市固废综合处理与应用产业园有限公司 | A kind of sea water source heat pump water fetching device |
CN210288559U (en) * | 2019-01-21 | 2020-04-10 | 江苏丰海新能源工程技术有限公司 | Movable water taking device for small and medium-sized seawater desalination systems |
CN212669799U (en) * | 2020-07-20 | 2021-03-09 | 中海建(天津)工程有限公司 | Sacrificial anode replacing structure |
-
2021
- 2021-08-30 CN CN202111003605.2A patent/CN113700644A/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008017937A1 (en) * | 2006-08-09 | 2008-02-14 | Emstec Gmbh & Co Kg | Improvements in or relating to water suction hoses |
CN201158709Y (en) * | 2008-01-25 | 2008-12-03 | 长沙天鹅工业泵股份有限公司 | Impressed current cathode protection system of sea water recirculating pump |
JP2010190184A (en) * | 2009-02-20 | 2010-09-02 | Torishima Pump Mfg Co Ltd | Suction vortex preventive member for pump |
CN204211514U (en) * | 2014-10-30 | 2015-03-18 | 珠江水利委员会珠江水利科学研究院 | A kind of sea water desalinating plant |
CN204458561U (en) * | 2015-02-03 | 2015-07-08 | 武汉东川自来水科技开发有限公司 | A kind of anti-marine organisms device for seawater lift pump |
CN209147496U (en) * | 2018-11-30 | 2019-07-23 | 荣成市固废综合处理与应用产业园有限公司 | A kind of sea water source heat pump water fetching device |
CN210288559U (en) * | 2019-01-21 | 2020-04-10 | 江苏丰海新能源工程技术有限公司 | Movable water taking device for small and medium-sized seawater desalination systems |
CN212669799U (en) * | 2020-07-20 | 2021-03-09 | 中海建(天津)工程有限公司 | Sacrificial anode replacing structure |
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