CN206886868U - Desalting water treatment device for surface water - Google Patents
Desalting water treatment device for surface water Download PDFInfo
- Publication number
- CN206886868U CN206886868U CN201720744523.6U CN201720744523U CN206886868U CN 206886868 U CN206886868 U CN 206886868U CN 201720744523 U CN201720744523 U CN 201720744523U CN 206886868 U CN206886868 U CN 206886868U
- Authority
- CN
- China
- Prior art keywords
- water
- reverse osmosis
- ultrafiltration
- surface water
- heat exchanger
- 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.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of desalting water treatment device for surface water, using surface water as the device carried out during boiler replenishing water to surface water except salt treatment, include water tank, second level reverse osmosis apparatus, fresh-water tank, electrodeionization system and oxygen-eliminating device between the water tank being sequentially connected by pipeline, ultrafiltration system, first-stage reverse osmosis device, the first order.Each equipment is reasonably linked in sequence the utility model and mutual combination, realization are used for the moisturizing of boiler, fully solve the problems, such as surface water can not be used as into boiler replenishing water at present after can surface water be handled.
Description
Technical field
A kind of desalting water treatment device is the utility model is related to, more specifically to one kind using surface water as boiler
The device except salt treatment is carried out during moisturizing to surface water.
Background technology
The water quality characteristicses of surface water：
1st, river turbidity is higher (particularly flood season), and water temperature luffing is big, and organic matter and bacterial content are high, are vulnerable to dirt
Dye, there is higher colourity sometimes.
2nd, surface water typically has the advantages of run-off is big, and salinity is low, and hardness is low, and iron content, manganese amount etc. are relatively low.
3rd, the water quality and quantity of surface water changes significantly with seasonal variety.
Due to the features described above of surface water, city, industrial enterprise are often used as water supply source, especially China by the use of surface water
Southern area, the network of waterways is flourishing, and lake, reservoir are more, using surface water as the city of water supply source, villages and small towns, industrial enterprise more
Generally, but surface water is due to its feature, it is impossible to directly as boiler replenishing water, and then needs substantial amounts of water for boiler at present
Supply.
Utility model content
Purpose in the utility model is that provide one kind carries out desalination using surface water as during boiler replenishing water to surface water
The device of processing.
In the utility model be used for surface water desalting water treatment device, using surface water as during boiler replenishing water to earth's surface
Water carries out the device except salt treatment, includes the water tank being sequentially connected by pipeline, ultrafiltration system, first-stage reverse osmosis device, the
Water tank, second level reverse osmosis apparatus, fresh-water tank, electrodeionization system and oxygen-eliminating device between one-level, wherein：
The water tank is used to receive surface water, and water-in and water-out flow to surface water and pH value, water temperature are adjusted；
Volume in raw water is more than film surface holes by the tiny micropore that the ultrafiltration system is gathered by means of ultrafiltration membrane surface
The material retention in footpath, includes ultrafiltration main body system, backwashing system, medicine system, chemical cleaning system and electric and instrument certainly
Control system；
The first-stage reverse osmosis device, second level reverse osmosis apparatus higher than the pressure of solution osmotic pressure act under, by means of
Only allow water through the dissolving salt in the pellicle selective retention water without allowing other material permeances, colloid, organic matter, bacterium
And microorganism；
The fresh-water tank connects the delivery port of the second level reverse osmosis apparatus, the water-in and water-out flow for adjusting water；
The electrodeionization system occurs orientation in the presence of DC electric field, by dielectric ion in the water of dividing plate and moved
It is dynamic, form the fresh water needed for boiler replenishing water；
The oxygen-eliminating device makees further deoxygenation processing to fresh water caused by the electrodeionization system.
Heat exchanger is installed between the water tank and the ultrafiltration system, the heat exchanger using dividing wall type heat exchanger,
Heat regenerator, fluidly connect indirect type heat exchanger, direct-contact heat exchanger or composite heat exchanger.
Self-cleaning filter is provided between the water tank and ultrafiltration system.
The aperture of milipore filter is 2 × 10 in the ultrafiltration system-9~1 × 10-7m。
The big flux that built-in 5 μm of filtration grade is provided between the ultrafiltration system and the first-stage reverse osmosis device gathers
The cartridge filter of propylene filter core.
Surface water is lifted water pump by ultrafiltration and filtered into self-cleaning filter by the utility model, enters back into ultrafiltration
System, it is organic to retain bacterium all in sewage, pyrogen virus and colloidal particles, protein, macromolecular by means of ultrafiltration system
Thing etc..
Further by entering firsts and seconds reverse osmosis after turbidity, iron and silicon isocolloid material are filtered out after cartridge filter
Saturating device, the water outlet after two steps ro device desalination enter fresh-water tank, further continued by electrodeionization system
Desalination, by oxygen-eliminating device carry out deoxygenation, enter boiler replenishing water system after being finally reached water standard.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of desalting water treatment device in the utility model.
Fig. 2 is the structural representation of desalting water treatment device in the utility model.
Embodiment
The specific embodiment of the utility model is described in further detail below in conjunction with accompanying drawing.
Desalting water treatment device in the utility model for surface water includes water tank 1, self-cleaning filter, heat exchanger
2nd, ultrafiltration system 3, cartridge filter, reverse osmosis unit 4, electric deionizer (EDI) 5 and oxygen-eliminating device 6, wherein：
Water tank 1 is used to collect surface water, and makees water-in and water-out Flow-rate adjustment to surface water, plays homogeneous amount, and right
Surface water pH value, water temperature are adjusted.
One self-cleaning filter (not shown) is installed in the delivery port of water tank 1, simple mistake is carried out to surface water
Filter, filters out large-scale debris.
Heat exchanger (heat exchanger) 2 can use dividing wall type heat exchanger, heat regenerator, fluidly connect indirectly
Formula heat exchanger, direct-contact heat exchanger, composite heat exchanger, installed in between clear filter and ultrafiltration system, for water
The water outlet of case 1 carries out lower water temperature, specific heat exchanger structure and principle due to using commercially available matured product, no longer separately retouches
State.
Ultrafiltration (abbreviation UF) system 3 include UF main body systems, backwashing system, medicine system, chemical cleaning system, electrically
And instrument automatic control system, ultrafiltration system are to utilize the screening principle related to membrane aperture size, using the pressure differential of film both sides as driving
Power, using milipore filter as filter medium, under a certain pressure, when raw water flows through film surface, ultrafiltration membrane surface gathers many thin
Small micropore only allows water and small-molecule substance by turning into permeate, and in raw water volume is more than the material of film surface apertures
The influent side of film is then trapped within, realizes the purification to raw water, is no longer separately illustrated for the concrete structure of ultrafiltration system 3, but
It is that the utility model employs aperture as 2 × 10-9~1 × 10-7M interior milipore filter, surface water is effectively filtered,
Retain all bacterium in surface water, pyrogen virus and colloidal particles, protein, larger molecular organicses etc..
The delivery port of ultrafiltration system 3 is provided with a cartridge filter, prevents contaminated in the production pond of ultrafiltration system 3 and produces
Raw fraction solids particulate enters the reverse osmosis unit 4 of next stage, the reverse osmosis membrane in reverse osmosis unit 4 is occurred dirty stifled or is drawn
Wound.In addition to granule foreign, cartridge filter has good removal effect to turbidity, iron and silicon isocolloid material.Protect
Pacify filter built with big flux polypropylene filter core (5 μm of filtration grade), inlet and outlet set pressure indicator, when pressure difference reaches setting
Filter core should be changed during value in time.
It is anti-that reverse osmosis unit 4 includes water tank 41, two level between the first-stage reverse osmosis device 40 of series system connection, the first order
Permeability apparatus 42, fresh-water tank 43, first-stage reverse osmosis device 40 and second level reverse osmosis apparatus 42 are in the pressure higher than solution osmotic pressure
Under effect, by means of only allowing water to be acted on through the selective retention of the pellicle without allowing other material permeances, by solution
Solute separated with solvent, dissolving salt, colloid, organic matter, bacterium, the impurity such as microorganism that can effectively go in water removal.Tool
Have the advantages that energy consumption is low, pollution-free, technique is advanced, simple and convenient operation and maintenance.
First-stage reverse osmosis device 40 is identical with the structure of second level reverse osmosis apparatus 42, using commercially available matured product, for
Concrete structure and operation principle no longer describe in detail.It is equal in the delivery port of first-stage reverse osmosis device 40 and second level reverse osmosis apparatus 42
Water tank between connection one-level, for balancing and adjusting the water yield of first-stage reverse osmosis device 40 and second level reverse osmosis apparatus 42.
The utility model is to be equipped with chemical backwash device per one-level reverse osmosis unit, because reverse osmosis membrane is by long-term fortune
After row, some dirts for being difficult to rinse, such as organic matter, inorganic salts fouling can be accumulated, cause reverse osmosis membrane performance to decline.It is this kind of
Dirt must carry out cleaning using chemicals to be removed, to recover the performance of reverse osmosis membrane.The anti-cleaning device of chemistry includes
Cleaning fluid tank, cleaning filter, cleaning pump and ducts, valve and instrument, when membrane module is contaminated, it can be carried out with it
Chemical cleaning.
Electrodeionization (EDI) system 5 is in the presence of DC electric field, and it is fixed to be occurred by dielectric ion in the water of dividing plate
To movement, water quality is purified through effect using selection of the exchange membrane to ion, is prior art, the application is no longer detailed
Describe in detail bright.But can isolate boiler by electrodeionization system 5 needs fresh water.
Surface water after the processing of electrodeionization (EDI) system 5 is directly entered in oxygen-eliminating device 6, and surface water is in oxygen-eliminating device 6
Sprayed in the shape of a spiral by certain angle through rotating-film tube, carry out heat exchange deoxygenation with heating steam, feedwater is heated to corresponding deoxygenation
Saturation temperature under device operating pressure, removing are dissolved in the oxygen of feedwater and other gases, prevent and reduce boiler feed pipe, save coal
The corrosion of device and other auxiliary devices.
Oxygen-eliminating device 6 can not only remove the dissolved oxygen in boiler feedwater, and can remove the CO to dissociate in water2、NH3、H2S etc.
Corrosive gas, oxygen-eliminating device 6 itself then use commercially available matured product, and its structure ＆ working mechanism is no longer separately illustrated.
In summary, surface water is used as making except salt treatment use is set surface water before boiler replenishing water by the utility model
It is standby, although the individual equipment wherein used is commercially available matured product in itself, each equipment is reasonably linked in sequence
And mutual combination used, the utility model be combined connection after surface water is handled after can use
In the moisturizing of boiler, fully solve the problems, such as surface water can not be used as into boiler replenishing water at present.
Claims (5)
1. a kind of desalting water treatment device for surface water, desalination is being carried out to surface water using surface water as during boiler replenishing water
The device of processing, it is characterised in that include the water tank being sequentially connected by pipeline, ultrafiltration system, first-stage reverse osmosis device,
Water tank, second level reverse osmosis apparatus, fresh-water tank, electrodeionization system and oxygen-eliminating device between one-level, wherein：
The water tank is used to receive surface water, and water-in and water-out flow to surface water and pH value, water temperature are adjusted；
Volume in raw water is more than film surface apertures by the ultrafiltration system by means of the tiny micropore that ultrafiltration membrane surface gathers
Material retains, and includes ultrafiltration main body system, backwashing system, medicine system, chemical cleaning system and electric and instrument automatic control system
System；
The first-stage reverse osmosis device, second level reverse osmosis apparatus higher than the pressure of solution osmotic pressure in the case where acting on, by means of only permitting
Xu Shui is through the dissolving salt in pellicle selective retention water without allowing other material permeances, colloid, organic matter, bacterium and micro-
Biology；
The fresh-water tank connects the delivery port of the second level reverse osmosis apparatus, the water-in and water-out flow for adjusting water；
In the presence of DC electric field, by dielectric ion in the water of dividing plate displacement occurs for the electrodeionization system,
Form the fresh water needed for boiler replenishing water；
The oxygen-eliminating device makees further deoxygenation processing to fresh water caused by the electrodeionization system.
2. the desalting water treatment device according to claim 1 for surface water, it is characterised in that in the water tank and institute
State and heat exchanger be installed between ultrafiltration system, the heat exchanger using dividing wall type heat exchanger, heat regenerator, fluidly connect between
Connect formula heat exchanger, direct-contact heat exchanger or composite heat exchanger.
3. the desalting water treatment device according to claim 1 for surface water, it is characterised in that the water tank and ultrafiltration
Self-cleaning filter is provided between system.
4. the desalting water treatment device according to claim 1 for surface water, it is characterised in that in the ultrafiltration system
The aperture of milipore filter is 2 × 10-9~1 × 10-7m。
5. the desalting water treatment device according to claim 1 for surface water, it is characterised in that in the ultrafiltration system
The cartridge filter of the big flux polypropylene filter core of built-in 5 μm of filtration grade is installed between the first-stage reverse osmosis device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744523.6U CN206886868U (en) | 2017-06-23 | 2017-06-23 | Desalting water treatment device for surface water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744523.6U CN206886868U (en) | 2017-06-23 | 2017-06-23 | Desalting water treatment device for surface water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206886868U true CN206886868U (en) | 2018-01-16 |
Family
ID=61316641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720744523.6U Expired - Fee Related CN206886868U (en) | 2017-06-23 | 2017-06-23 | Desalting water treatment device for surface water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206886868U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658354A (en) * | 2018-06-15 | 2018-10-16 | 无锡容大环境科技有限公司 | The Boiler water Feeding System system of high concentrtion |
| CN112456696A (en) * | 2020-12-03 | 2021-03-09 | 上海东石塘再生能源有限公司 | Demineralized water production system and production method thereof |
-
2017
- 2017-06-23 CN CN201720744523.6U patent/CN206886868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658354A (en) * | 2018-06-15 | 2018-10-16 | 无锡容大环境科技有限公司 | The Boiler water Feeding System system of high concentrtion |
| CN112456696A (en) * | 2020-12-03 | 2021-03-09 | 上海东石塘再生能源有限公司 | Demineralized water production system and production method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20210623 |
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| CF01 | Termination of patent right due to non-payment of annual fee |