CN208603896U - A kind of dredging marine desalination equipment pretreatment system - Google Patents
A kind of dredging marine desalination equipment pretreatment system Download PDFInfo
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- CN208603896U CN208603896U CN201820943569.5U CN201820943569U CN208603896U CN 208603896 U CN208603896 U CN 208603896U CN 201820943569 U CN201820943569 U CN 201820943569U CN 208603896 U CN208603896 U CN 208603896U
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- pretreatment system
- air bearing
- coagulating sedimentation
- desalination equipment
- dredging
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Abstract
The utility model relates to a kind of dredging marine desalination equipment pretreatment systems.The utility model belongs to field of sea water desalting technology.A kind of dredging marine desalination equipment pretreatment system, its main feature is that: dredging marine desalination equipment pretreatment system includes coagulating sedimentation air bearing, laminated filter and more medium filter, is sequentially connected coagulating sedimentation air bearing, laminated filter and more medium filter by pipeline and constitutes；Coagulating sedimentation air bearing is furnished with chemicals dosing plant, and seawater water inlet pipe and air inlet pipeline are housed.The utility model is directed to dredging vessel periphery seawater situation, pretreatment system is innovated, improve sea water desalting equipment pretreating effect, it enables a device to run steadily in the long term, meet data ship personnel using fresh water requirement, there is high degree of automation easy to operate, it is on duty without staff, farthest reduce the burden of staff, it is applied widely the advantages that.
Description
Technical field
The utility model belongs to field of sea water desalting technology, locates in advance more particularly to a kind of dredging marine desalination equipment
Reason system.
Background technique
Dredging vessel needs at sea stop operation for a long time, therefore are in great demand to fresh water, and large-scale water storage facility is very
Occupied space, and freshwater storage amount is limited by steamer size, and freshwater storage amount influences hours underway less, but if fresh water
Storage is too many, and the time is too long, and bacterium easy to breed, not can be well solved the Drinking Water Problem on steamer.Therefore, it dredges
Proper distrabution sea water desalting equipment on ship.Currently, Reverse-osmosis Seawater Desalination Technology has become one kind of ship supplement fresh water
Major way.
Dredging vessel is because of its work characteristics, and surrounding seawater water quality is poor, and quantity of sand and mud is big.It is installed on existing frequently-used ship
Desalination plant generally use pretreatment+reverse osmosis process process, preprocessing process is simple, there are stabilization of equipment performance and
Durability is poor, and parts replacement is frequent, and equipment is easily damaged, and is not suitable for a series of problems, such as using on dredging vessel.
Summary of the invention
The utility model is to solve technical problem present in well-known technique and provide a kind of dredging marine sea water desalting dress
Set pretreatment system.
The purpose of the utility model is to provide one kind to be directed to dredging vessel periphery seawater situation, creates to pretreatment system
Newly, sea water desalting equipment pretreating effect is improved, enables a device to run steadily in the long term, meets data ship personnel and uses fresh water
It is required that there is high degree of automation easy to operate, and it is on duty without staff, farthest reduce the negative of staff
Load, it is applied widely the features such as dredging marine desalination equipment pretreatment system.
A kind of dredging marine desalination equipment pretreatment system, including be successively linked in sequence by pipeline sea water pump,
Coagulating sedimentation air-floating apparatus, seawater filtered water tank, booster pump, laminated filter, level-one more medium filter, second level multimedium mistake
Filter.
Marine desalination equipment pretreatment system is dredged, when normal water processed, by sea water pump by sea water mixing coagulation
Agent and fungicide are pumped into coagulating sedimentation air-floating apparatus, and coagulant helps impurity to reunite, and are formed bulky grain and are easier to remove, sterilization
Agent prevents bacterium from generating, and seawater enters coagulating sedimentation part, and water flow flows up into air bearing by the runner that partition separates
Part, large granular impurity sink to bottom, and the compressed air that air bearing part is passed through makes the lighter oil being suspended on the water surface
The impurity such as dirt float, and are discharged from upper layer sewage draining exit, remaining water enters seawater filtered water tank from lower layer, then pass through booster pump for sea water pump
Enter laminated filter, in more medium filter, removes remaining impurity particle.
Coagulating sedimentation air-floating apparatus has inlet duct, effectively removes degreasing ingredient.Coagulating sedimentation air-floating apparatus, seawater are clear
Water tank, laminated filter, more medium filter all have blowoff line and are connected with foul water tank.Laminated filter, multimedium
Filter all has backwash function, it can be achieved that daily automatic back-washing.Each unit all has manually-operated gate and electromagnetic valve, can be real
The manual and automatic running of existing equipment.Seawater filtered water tank, water producing tank have fluid level control device；There is pressure transmission dress on pipeline
It sets；It can realize that device is alarmed when parameter is abnormal, function out of service.
Marine desalination equipment pretreatment system is dredged with data-transformation facility, it can be achieved that the long-range monitoring of equipment.
The utility model dredging marine desalination equipment pretreatment system is adopted the technical scheme that:
A kind of dredging marine desalination equipment pretreatment system, its main feature is that: dredging marine desalination equipment is located in advance
Reason system includes coagulating sedimentation air bearing, laminated filter and more medium filter, by pipeline be sequentially connected coagulating sedimentation air bearing,
Laminated filter and more medium filter are constituted；Coagulating sedimentation air bearing is furnished with chemicals dosing plant, and seawater water inlet pipe and air inlet are housed
Pipeline.
The utility model dredging marine desalination equipment pretreatment system can also adopt the following technical scheme that
The dredging marine desalination equipment pretreatment system, its main feature is that: coagulating sedimentation air bearing, stacked filtering
Intermediate filtered water tank is equipped between device, coagulating sedimentation air bearing is connected to laminated filter through intermediate filtered water tank by pipeline.
The dredging marine desalination equipment pretreatment system, its main feature is that: it is mixed that chemicals dosing plant is divided into sea water mixing
Solidifying agent doser and fungicide doser, chemicals dosing plant is by pump connection coagulating sedimentation air-floating apparatus, coagulating sedimentation air-floating apparatus
By filtered water tank among pipeline connection.
The dredging marine desalination equipment pretreatment system, its main feature is that: intermediate filtered water tank by booster pump according to
Secondary connection laminated filter and two-stage more medium filter.
The dredging marine desalination equipment pretreatment system, its main feature is that: coagulating sedimentation air bearing is heavy equipped with coagulation
Partition, air bearing partition, air bearing overflow inclined plate and membrane support frame drop, and top is equipped with coagulant precipitation and produces water flow passage.
The dredging marine desalination equipment pretreatment system, its main feature is that: difference is equipped in more medium filter
The quartz sand filtration layer of partial size and ratio.
The dredging marine desalination equipment pretreatment system, its main feature is that: coagulating sedimentation air bearing, stacked filtering
Device is connected to PLC controller with more medium filter, carries out automatic back-washing by automatic back-washing mechanism.
The dredging marine desalination equipment pretreatment system, its main feature is that: PLC controller is equipped with coagulating sedimentation gas
Floating, laminated filter and more medium filter fault alarm.
The utility model has the advantages and positive effects of:
Marine desalination equipment pretreatment system is dredged due to using the completely new technical solution of the utility model, and it is existing
There is technology to compare, the utility model is directed to dredging vessel periphery seawater situation, innovates to pretreatment system, and it is light to improve seawater
Change equipment pretreating effect, enable a device to run steadily in the long term, meets data ship personnel and use fresh water requirement.
The Membrane seawater desalination device pretreatment system that the utility model uses is by coagulating sedimentation air-floating apparatus, stacked mistake
Filter, more medium filter are constituted.Meanwhile the system is furnished with chemicals dosing plant before coagulating sedimentation air-floating apparatus, is also equipped with simultaneously
The accessory structures such as intermediate water tank, sea water pump, booster pump.The system energy automatic running and timing self-cleaning.Its producing water water quality is good, especially
Its sea area for being suitble to raw water quality poor complies fully with the needs of subsequent cell.Its high degree of automation easy to operate is not necessarily to work
Make human attendance, farthest reduce the burden of staff, is a kind of desalination plant suitable for dredging vessel
Pretreatment system.
Detailed description of the invention
Fig. 1 is the utility model dredging marine desalination equipment pretreatment system structural schematic diagram.
Fig. 2 is the structural schematic diagram of wherein coagulating sedimentation air-floating apparatus.
In figure: 1- fungicide, 2- flocculant, 3- coagulating sedimentation air-floating apparatus, 4- foul water tank, 5- seawater filtered water tank, 6- increase
Press pump, 7- laminated filter, 8- level-one more medium filter, 9- second level more medium filter, 10- original seawater inlet pipeline,
11- air inlet pipeline, 12- blowoff line, 13- dosing pipe, 14- coagulating sedimentation air-floating apparatus discharge pipe, 15- seawater filtered water tank
Inlet pipeline, 16- seawater filtered water tank outlet pipeline, 17- laminated filter inlet pipeline, 18- laminated filter water producing pipe
Road, 19- more medium filter sewage discharge pipeline, 20- more medium filter water producing pipe road, 21- coagulant precipitation produce water flow passage,
22- coagulant precipitation partition, 23- membrane support frame, 24- air bearing partition, 25- air bearing overflow inclined plate, 26- air bearing aeration plate.
Specific embodiment
For the utility model content, feature and effect that can further appreciate that the utility model, the following examples are hereby given, and
It is described in detail with the accompanying drawings as follows:
Refering to attached drawing 1 and Fig. 2.
Embodiment 1
Dredging marine desalination equipment pretreatment system includes coagulating sedimentation air bearing, laminated filter and multimedium mistake
Filter is sequentially connected coagulating sedimentation air bearing, laminated filter and more medium filter by pipeline and constitutes；Coagulating sedimentation air bearing is matched
There is chemicals dosing plant, seawater water inlet pipe and air inlet pipeline are housed.
Intermediate filtered water tank is equipped between coagulating sedimentation air bearing, laminated filter, coagulating sedimentation air bearing is by pipeline through intermediate clear
Water tank is connected to laminated filter.Chemicals dosing plant is divided into sea water mixing coagulant doser and fungicide doser, chemicals dosing plant
It is connected to coagulating sedimentation air-floating apparatus by pump, coagulating sedimentation air-floating apparatus is by filtered water tank among pipeline connection.Intermediate filtered water tank is logical
It crosses booster pump and is sequentially communicated laminated filter and two-stage more medium filter.Different-grain diameter and ratio are equipped in more medium filter
The quartz sand filtration layer of example.
Coagulating sedimentation air bearing is equipped with coagulant precipitation partition, air bearing partition, air bearing overflow inclined plate and membrane support frame, top and sets
There is coagulant precipitation to produce water flow passage.
Coagulating sedimentation air bearing, laminated filter are connected to PLC controller with more medium filter, pass through automatic back-washing machine
Structure carries out automatic back-washing.PLC controller is equipped with coagulating sedimentation air bearing, laminated filter and more medium filter fault alarm
Device.
The present embodiment specific implementation process:
It first passes through dosing pump fungicide 1 and flocculant 2 are added in former seawater inlet pipeline 10, fungicide 1 plays
Bactericidal effect, flocculant 2 help impurity to reunite, and form bulky grain and are easier to remove, be added the seawater of medicament by sea water pump into
Enter to coagulating sedimentation air-floating apparatus 3, compressed air is entered in case together by gas inlet pipeline 11, coagulating sedimentation unit packet
Containing several coagulant precipitation partitions 22, seawater flows up in partition, produces water by coagulant precipitation and produces water flow passage 21 into gas
Floating part, heavier impurity can be deposited in bottom, and for the sludge meeting regular discharge of bottom to foul water tank 4, compressed air passes through air bearing
Aeration plate 26 forms the bubble of fine uniform, and lighter oils and other suspended matters can arrive air flotation cell with bubble floating in water
Then surface layer overflows to foul water tank 4 by air bearing overflow inclined plate 25, then produce water and enter seawater filtered water tank 5.
Seawater through coagulating sedimentation air-floating apparatus enters laminated filter 7 by booster pump 6, and it is miscellaneous to remove larger particles
Matter enters back into level-one more medium filter 8, wherein includes the quartz sand of two kinds of different-grain diameters in more medium filter, then sea
Water enters back into second level more medium filter 9, and wherein second level more medium filter includes the quartz sand of two kinds of different-grain diameters, grain
Diameter is less than the quartz sand in level-one more medium filter.
In the present apparatus, two laminated filters are controlled by valve, it can be achieved that being used alternatingly, the effect of mutual backwash.
Coagulating sedimentation air-floating apparatus and more medium filter realize automatic back-washing by PLC control system.Also comprising online in device
Monitoring device, monitoring pretreatment producing water water quality, it is ensured that it meets feed water by reverse osmosis water quality requirement.
The present embodiment is directed to dredging vessel periphery seawater situation, innovates to pretreatment system, improves sea water desalination and sets
Standby pretreating effect, enables a device to run steadily in the long term, meets data ship personnel using fresh water requirement, has easy to operate
High degree of automation, it is on duty without staff, the burden of staff is farthest reduced, it is applied widely to wait actively
Effect.
Claims (8)
1. a kind of dredging marine desalination equipment pretreatment system, it is characterized in that: dredging marine desalination equipment pretreatment
System includes coagulating sedimentation air bearing, laminated filter and more medium filter, is sequentially connected coagulating sedimentation air bearing by pipeline, folds
Type strainer and more medium filter are constituted；Coagulating sedimentation air bearing is furnished with chemicals dosing plant, and seawater water inlet pipe and air inlet pipe are housed
Road.
2. dredging marine desalination equipment pretreatment system according to claim 1, it is characterized in that: coagulating sedimentation gas
Intermediate filtered water tank is equipped between floating, laminated filter, coagulating sedimentation air bearing is connected to stacked filtering through intermediate filtered water tank by pipeline
Device.
3. dredging marine desalination equipment pretreatment system according to claim 2, it is characterized in that: chemicals dosing plant is divided into
Sea water mixing coagulant doser and fungicide doser, for chemicals dosing plant by pump connection coagulating sedimentation air-floating apparatus, coagulation is heavy
Shallow lake air-floating apparatus is by filtered water tank among pipeline connection.
4. dredging marine desalination equipment pretreatment system according to claim 2 or 3, it is characterized in that: intermediate clear water
Case is sequentially communicated laminated filter and two-stage more medium filter by booster pump.
5. dredging marine desalination equipment pretreatment system according to claim 1,2 or 3, it is characterized in that: coagulation is heavy
Shallow lake air bearing is equipped with coagulant precipitation partition, air bearing partition, air bearing overflow inclined plate and membrane support frame, and top is equipped with coagulant precipitation and produces water
Runner.
6. dredging marine desalination equipment pretreatment system according to claim 1, it is characterized in that: more medium filter
In be equipped with the quartz sand filtration layer of different-grain diameter and ratio.
7. dredging marine desalination equipment pretreatment system according to claim 1,2 or 3, it is characterized in that: coagulation is heavy
Shallow lake air bearing, laminated filter are connected to PLC controller with more medium filter, are carried out by automatic back-washing mechanism automatic anti-
It washes.
8. dredging marine desalination equipment pretreatment system according to claim 1,2 or 3, it is characterized in that: PLC is controlled
Device is equipped with coagulating sedimentation air bearing, laminated filter and more medium filter fault alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820943569.5U CN208603896U (en) | 2018-06-19 | 2018-06-19 | A kind of dredging marine desalination equipment pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820943569.5U CN208603896U (en) | 2018-06-19 | 2018-06-19 | A kind of dredging marine desalination equipment pretreatment system |
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| Publication Number | Publication Date |
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| CN208603896U true CN208603896U (en) | 2019-03-15 |
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| CN201820943569.5U Active CN208603896U (en) | 2018-06-19 | 2018-06-19 | A kind of dredging marine desalination equipment pretreatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520903A (en) * | 2020-12-18 | 2021-03-19 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Seawater desalination pretreatment system and use method thereof |
| CN114702150A (en) * | 2022-03-30 | 2022-07-05 | 乾通环境科技(苏州)有限公司 | Pretreatment system for high-turbidity oil-containing seawater for small and medium-sized seawater desalination plants |
-
2018
- 2018-06-19 CN CN201820943569.5U patent/CN208603896U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520903A (en) * | 2020-12-18 | 2021-03-19 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Seawater desalination pretreatment system and use method thereof |
| CN114702150A (en) * | 2022-03-30 | 2022-07-05 | 乾通环境科技(苏州)有限公司 | Pretreatment system for high-turbidity oil-containing seawater for small and medium-sized seawater desalination plants |
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