CN201648148U - Low-energy consumption multistage seawater desalinization system - Google Patents
Low-energy consumption multistage seawater desalinization system Download PDFInfo
- Publication number
- CN201648148U CN201648148U CN2010292280092U CN201029228009U CN201648148U CN 201648148 U CN201648148 U CN 201648148U CN 2010292280092 U CN2010292280092 U CN 2010292280092U CN 201029228009 U CN201029228009 U CN 201029228009U CN 201648148 U CN201648148 U CN 201648148U
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- CN
- China
- Prior art keywords
- sea water
- comb
- desalinating plant
- water tank
- sea
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- 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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- 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
Abstract
The utility model provides a low-energy consumption multistage seawater desalinization system which comprises a second-stage desalinization unit, at least one third-stage desalinization system and a drinking water tank which are connected in sequence, and has the advantages that: the multistage desalinization manner is adopted, thus greatly reducing the pressure of a hydro pump, and lowering the energy consumption.
Description
[technical field]
The utility model relates to a kind of seawater desalination system, the multistage seawater desalination system of particularly a kind of less energy-consumption.
[background technology]
Present desalination process is normally directly used seawater high-pressure hydraulic pump inspiration sea water desalinating plant, desalinates by sea water desaltination film (permeable membrane), discharges waste water and clear water simultaneously.The used sea water desalinating plant of this desalination process is the one-level desalination system.
As shown in Figure 1, described one-level desalination system comprises a sea water tank, a high-pressure hydraulic pump, a sea water desalinating plant that connects successively, and this sea water desalinating plant also comprises a clear water comb and a waste water comb;
The shortcoming of the one-level desalination system of this desalination process and use thereof is: because the seawater salt concn is big, cause the high-pressure hydraulic pump operating pressure big, need 10MPa usually, cause power consumption big.
[utility model content]
The technical problems to be solved in the utility model is to provide a kind of seawater desalination system, adopts multistage desalination mode, greatly reduces the pressure of high-pressure hydraulic pump, and energy consumption is reduced.
The technical problems to be solved in the utility model is achieved in that the multistage seawater desalination system of a kind of less energy-consumption, and it comprises desalination unit, a second stage, at least one third stage desalination unit, and a tap water case connects successively.
Wherein, desalination unit, the described second stage: comprise one second sea water tank, a small pump, one second sea water desalinating plant that connect successively, this second sea water desalinating plant also comprises a clear water comb and a waste water comb; Described third stage desalination unit: it comprises one the 3rd sea water tank, a common water pump, one the 3rd sea water desalinating plant that connects successively, and the 3rd sea water desalinating plant also comprises a clear water comb and a waste water comb; The clear water comb of described second sea water desalinating plant connects the 3rd sea water tank that is in the first place; The clear water comb that is in the 3rd sea water desalinating plant of anteposition connects position, back and the 3rd adjacent sea water tank; Connect the described water tank of drinking up to the clear water comb that is in omega-the 3rd sea water desalinating plant; This rising pipe of drinking water tank connects described second sea water tank again.
Preferable, above-mentioned technical scheme also comprises first step desalination unit, this first step desalination unit is connected the described second stage and desalinates unitary front end.Described first step desalination unit: comprise one first sea water tank, a high-pressure hydraulic pump, one first sea water desalinating plant that connect successively, this first sea water desalinating plant also comprises a clear water comb and a waste water comb; The clear water comb of described first sea water desalinating plant connects described second sea water tank.
Advantage of the present utility model is: it adopts multistage desalination mode, greatly reduces the pressure of high-pressure hydraulic pump, and energy consumption is reduced.
[description of drawings]
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the structural representation of seawater what is said or talked aboutization system in the prior art.
Fig. 2 is the structural representation of the utility model seawater what is said or talked aboutization system.
[embodiment]
See also shown in Figure 1, the multistage seawater desalination system of a kind of less energy-consumption of the present utility model, it comprises first step desalination unit 1, desalination unit 2, a second stage, at least one third stage desalination unit 3, and a tap water case 4 connects successively.
Wherein, the described first step is desalinated unit 1: comprise one first sea water tank 11, a high-pressure hydraulic pump 12, one first sea water desalinating plant 13 that connect successively, this first sea water desalinating plant 13 also comprises a clear water comb 131 and a waste water comb 132.This first step desalination unit 1 be selectable unit, promptly ought describedly drink water tank and be reserved with under the situation of clear water, can not establish the first step and desalinate unit 1, or not allow its work.
Described third stage desalination unit 3: it comprises that one the 3rd sea water tank, 31, the one common water pump 32, one the 3rd sea water desalinating plant, 33, the three sea water desalinating plants 33 that connect successively also comprise a clear water comb 331 and a waste water comb 332.
The clear water comb 131 of described first sea water desalinating plant 1 connects described second sea water tank 21; The clear water comb 231 of described second sea water desalinating plant 23 connects the 3rd sea water tank 31 that is in the first place; The clear water comb 331 that is in the 3rd sea water desalinating plant 33 of anteposition connects position, back and the 3rd adjacent sea water tank 31; Connect the described water tank 4 of drinking up to the clear water comb 331 that is in omega-the 3rd sea water desalinating plant 33; This rising pipe 41 of drinking water tank 4 connects described second sea water tank 21 again.
Its principle of work is as described below:
After seawater is desalinated by first step desalination unit 1, waste water directly goes out pipe by waste water row 132 and discharges, clear water directly flows to second sea water tank 21 of desalination unit 2, the second stage, mix according to a certain percentage with seawater, this being blended in to a certain extent carried out pre-desalination to seawater in second sea water tank 21, and then enter second seawater by small pump 22 and talk makeup and put 23, because the prior process desalination in second sea water tank 21, as long as small pump 22 needed pressure are smaller or equal to 2MPa, and energy consumption has obtained reduction.Clear water after 2 desalinations of desalination unit, the second stage is introduced the 3rd sea water tank 31 again, seawater in the 3rd sea water tank 31 has been carried out pre-desalination, enter the 3rd sea water desalinating plant 33 through common water pump 32 then, what is said or talked about dissolves clear water, regather to drinking water tank 4, same, because the seawater in the 3rd sea water tank 31 is in advance through desalination, make the pressure of common water pump 32 only need be less than or equal to 0.8MPa, energy consumption has obtained reduction again.After in drinking water tank 4, clear water being arranged, can be directly by in a water pump 5 direct inspiration second sea water tanks 21, so can no longer work in first step desalination unit 1, will hang down the energy consumption of high-pressure hydraulic pump 12 effectively.
Claims (4)
1. the multistage seawater desalination system of less energy-consumption is characterized in that: comprise desalination unit, a second stage, at least one third stage desalination unit, and a tap water case connects successively.
2. the multistage seawater desalination system of less energy-consumption according to claim 1 is characterized in that:
Desalination unit, the described second stage: comprise one second sea water tank, a small pump, one second sea water desalinating plant that connect successively, this second sea water desalinating plant also comprises a clear water comb and a waste water comb;
Described third stage desalination unit: it comprises one the 3rd sea water tank, a common water pump, one the 3rd sea water desalinating plant that connects successively, and the 3rd sea water desalinating plant also comprises a clear water comb and a waste water comb;
The clear water comb of described second sea water desalinating plant connects the 3rd sea water tank that is in the first place; The clear water comb that is in the 3rd sea water desalinating plant of anteposition connects position, back and the 3rd adjacent sea water tank; Connect the described water tank of drinking up to the clear water comb that is in omega-the 3rd sea water desalinating plant; This rising pipe of drinking water tank connects described second sea water tank again.
3. the multistage seawater desalination system of less energy-consumption according to claim 2 is characterized in that: also comprise first step desalination unit, this first step desalination unit is connected the described second stage and desalinates unitary front end.
4. the multistage seawater desalination system of less energy-consumption according to claim 3 is characterized in that:
Described first step desalination unit: comprise one first sea water tank, a high-pressure hydraulic pump, one first sea water desalinating plant that connect successively, this first sea water desalinating plant also comprises a clear water comb and a waste water comb; The clear water comb of described first sea water desalinating plant connects described second sea water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010292280092U CN201648148U (en) | 2010-02-05 | 2010-02-05 | Low-energy consumption multistage seawater desalinization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010292280092U CN201648148U (en) | 2010-02-05 | 2010-02-05 | Low-energy consumption multistage seawater desalinization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201648148U true CN201648148U (en) | 2010-11-24 |
Family
ID=43113377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010292280092U Expired - Fee Related CN201648148U (en) | 2010-02-05 | 2010-02-05 | Low-energy consumption multistage seawater desalinization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201648148U (en) |
-
2010
- 2010-02-05 CN CN2010292280092U patent/CN201648148U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130205 |