CN202912750U - Desalinated sea water post-processing equipment - Google Patents
Desalinated sea water post-processing equipment Download PDFInfo
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- CN202912750U CN202912750U CN201220476615.8U CN201220476615U CN202912750U CN 202912750 U CN202912750 U CN 202912750U CN 201220476615 U CN201220476615 U CN 201220476615U CN 202912750 U CN202912750 U CN 202912750U
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- water
- sea water
- desaltination
- water inlet
- gas
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Abstract
The utility model provides desalinated sea water post-processing equipment which comprises a mineralization pool; the mineralization pool comprises a reaction area, a lower water inlet area, an upper water area and a water outlet area, wherein the reaction area is provided with a calcium carbonate filling bed; a quartz sand layer cushioned on an isolation plate is arranged under the calcium carbonate filling bed; water distribution caps are arranged on the isolation plate; water inlet pipes of the water distribution caps are communicated with the inside of the lower water inlet area; the lower water inlet area is provided with a desalinated sea water inlet pipe; the water outlet area is provided with a water outlet groove; an overflow weir is arranged on the water outlet groove; a calcium carbonate bin is arranged above or at the upper part of the mineralization pool and is provided with a feeding pipe of the calcium carbonate filling bed; and the calcium carbonate filling bed is full to the position of a pipe orifice at the lower end of the feeding pipe. The desalinated sea water post-processing equipment provided by the utility model has the beneficial effects that the overall structure of the mineralization pool is simple, the reaction in the mineralization pool is complete and uniform, the effect that calcium carbonate relies on gravity can be realized, the mineralization pool is fed according to the consumption of the calcium carbonate, and the mineralization pool can also be washed by gas water, so that more labor and more cost can be saved in the production and the maintenance of the equipment.
Description
Technical field
The utility model relates to the aftertreatment after a kind of sea water desaltination, relates in particular to a kind of raising seawater desalination system product water and (calls in the following text: basicity sea water desaltination water) and the finishing apparatus of hardness.
Background technology
Freshwater resources are not enough in the world, become people's problem day by day deeply concerned.As the increment technique of increasing income of water resources, sea water desaltination has become a kind of main method that solves in the global water resources shortage measure, uses more and more wider.The sea water desaltination glassware for drinking water has the stable characteristics of cleaning, high purity and supply, is safe and reliable higher-grade water source.The desalination product water can enter tap water pipe network, as the important water source that the town dweller produces, lives, also can be used as the main water source such as island, boats and ships, offshore platform; Next is desalinated product water and can be used as that enterprise produces and domestic water, and the boiler replenishing water such as also can be used as to generate electricity is industrial high purity water and the process water of representative.But seawater is after desalination is processed, and calcium ion content is very low, and its water quality is unstable and have very strong corrodibility, even common red water phenomenon can occur.
Summary of the invention
The purpose of this utility model provides a kind of sea water desaltination water finishing apparatus, for this reason, the utility model is by the following technical solutions: it comprises the mineralising pond, and the mineralising pond comprises reaction zone, be in the bottom inhalant region of reaction zone below and be in waters, top district and the exhalant region of reaction zone top; Reaction zone is provided with the pearl filler bed, under the described pearl filler bed quartz sand layer is arranged, and the quartz sand layer pad is on division board, and division board is provided with a plurality of water distribution water caps, and the water inlet pipe of water distribution water cap passes into the bottom inhalant region; Described bottom inhalant region is provided with the sea water desaltination water water inlet pipe in described mineralising pond; Described exhalant region is provided with effluent trough, on the described effluent trough overflow weir is set, and is used for making the sea water desaltination water after the mineralising in waters, top district overflow into effluent trough, and described effluent trough is provided with the water outlet in mineralising pond; Top or the top in described mineralising pond arrange the calcium carbonate feed bin, and described feed bin has the feed supplement pipe of a plurality of pearl filler beds, and the pearl filler bed is the mouth of pipe place, lower end of described feed supplement pipe completely extremely.
On the basis of adopting technique scheme, the utility model also can adopt following further technical scheme:
The utility model is provided with CO
2Throwing device, described throwing device comprise the CO that draws from the water inlet main of sea water desaltination water
2Add bypass tube, described CO
2Add the supercharging device that sea water desaltination water is set on the bypass tube; Described throwing device also arranges gas CO
2Add pipeline, described gas CO
2Add pipeline and connect liquid CO
2Vaporizer, gas CO
2Add and also be provided with gas CO on the pipeline
2Pressure reducer, described bypass tube connects gas CO again through behind the described supercharging device
2Add pipeline, and then through tubular static mixer, be linked back to the water inlet main, the sea water desaltination water water inlet pipe in mineralising pond is connected described gas CO with the water inlet main
2Add device for cleaning pipeline and overregulate valve, under meter and micropore supply device quantitatively gaseous state CO
2Drop in the bypass tube.
Described finishing apparatus is provided with for the gas of pearl filler bed, water flushing facility; The air inlet of gas, water flushing facility and suction culvert are connected to the water inlet main of sea water desaltination water; Described sea water desaltination water water inlet pipe bottom is provided with a plurality of water distributing pores, and described sea water desaltination water water inlet pipe top is connected to several gas distributionbranch pipes.
Owing to adopt the technical solution of the utility model, the utility model is processed by the mineralising to sea water desaltination water, it is carried out chemical stability processes, regulate basicity and the hardness of sea water desaltination water, appropriateness improves the pH value, make bright Greer saturation index (LSI) value of producing water in 0 ~ 0.50 scope, 80mg/L(is with CaCO for total alkalinity (TAC)
3Meter), 80 ~ 120mg/L(is with CaCO for total hardness (TH)
3Meter), makes its water conditioning, do not have corrodibility, make it satisfy the requirement of pipe network transmission ﹠ distribution.
Modern medicine thinks that the aging course of human body is exactly the oxidation acidization of liquid.The pH value of baby's body fluid is 7.35 ~ 7.45 according to surveying and determination, and middle-aged people's body fluid is 7.25 ~ 7.35, and the elderly's body fluid is 7.20 ~ 7.30.Drink the weakly alkaline water near blood of human body pH value, be conducive to keep the acid base equilibrium in the human body.There are some researches show that also there are obvious dependency in water hardness and cardiovascular disorder, soft water Area Inhabitants cardiovascular disorder mortality ratio is apparently higher than hard water areas.Therefore, through the sea water desaltination water after the utility model processing, water conditioning not only, and with general sea water desaltination water ratio, its basicity and hardness number more meet the human body needs, finished product water quality meets Chinese drinking water standard GB5749-2006 and WHO standard, and is more suitable to the health of human body, healthy significant for safeguarding the resident.
Equipment provided by the utility model, its mineralising pond one-piece construction is simple, sufficient reacting in the mineralising pond and evenly, can realize that calcium carbonate relies on gravity, consumption according to calcium carbonate, from the pond feed supplement of trend mineralising, the utility model can also carry out air-water flushing to the mineralising pond, makes the production of equipment and maintenance all more save labour and cost.
Description of drawings
Fig. 1 is the synoptic diagram of sea water desaltination water finishing apparatus embodiment provided by the utility model.
Fig. 2 is the sectional view in the mineralising pond of sea water desaltination water finishing apparatus embodiment provided by the utility model.
Fig. 3 is the vertical view in the mineralising pond of sea water desaltination water finishing apparatus embodiment provided by the utility model.
Embodiment
With reference to accompanying drawing 1,2,3; The utility model provides sea water desaltination water finishing apparatus to comprise mineralising pond 100, and the mineralising pond comprises reaction zone A, be in the bottom inhalant region B of reaction zone below and be in waters, top district C and the exhalant region D of reaction zone top;
Reaction zone is provided with pearl filler bed 1, under the described pearl filler bed 1 quartz sand layer 2 is arranged, and quartz sand layer 2 pads are on division board 20, and division board 20 is provided with a plurality of water distribution water caps 4, and the water inlet pipe 40 of water distribution water cap 4 passes into the bottom inhalant region; Quartz sand layer 2 promotes the air water distributed uniform, is conducive to prevent that fine impurities and collosol substance from stopping up water distribution water cap 4, guarantees that water distribution is evenly unimpeded, and the about 100 ~ 200mm of the floor height of quartz sand, calcium carbonate are particle or tiny bulk, the about 1000 ~ 3000mm of its layer height.
Described bottom inhalant region B is provided with the sea water desaltination water water inlet pipe 3 in described mineralising pond;
Described exhalant region is provided with effluent trough 5, and overflow weir 50 is set on the described effluent trough, is used for making the sea water desaltination water after the mineralising in waters, top district overflow into effluent trough 5, and described effluent trough is provided with the water outlet 6 in mineralising pond; Drawing reference numeral 60 is the sea water desaltination water rising pipe after the mineralising; Upper water zone C is that current are limited in the volume between pearl filler bed 1 and the overflow weir 50.The degree of depth in upper water zone should be avoided overflowing of calcium carbonate fine particle and impurity, guarantees delivery turbidity＜1NTU.
Top or the top in described mineralising pond arrange calcium carbonate feed bin 7, and described feed bin 7 has the feed supplement pipe 70 of a plurality of pearl filler beds, the pearl filler bed 1 full lower end mouth of pipe 71 places to described feed supplement pipe 70.Along with the reaction consumption of calcium carbonate, these feed supplement pipes 70 rely on himself gravity to spread in the top layer of pearl filler bed 1 calcium carbonate granule, and calcium carbonate granule falls gradually and do not cause the muddiness of water layer.
The utility model is provided with CO
2Throwing device, described throwing device comprise the CO that draws from the water inlet main 8 of sea water desaltination water
2Add bypass tube 80, described CO
2Add the supercharging device that sea water desaltination water is set on the bypass tube 80, such as topping-up pump 81; Described throwing device also arranges gas CO
2Add pipeline 82, described gas CO
2Add pipeline and connect liquid CO
2Vaporizer, gas CO
2Add and also be provided with gas CO on the pipeline 82
2Pressure reducer, described bypass tube 80 connects gas CO again through behind the described supercharging device
2Add pipeline 82, and then fully mix increasing CO through tubular static mixer 83
2Meltage, be linked back again to water inlet main 8, the sea water desaltination water water inlet pipe 3 in mineralising pond is connected described gas CO with the main 8 of intaking
2 Add pipeline 82 and pass through variable valve, under meter and micropore supply device quantitatively gaseous state CO
2Drop in the bypass tube.
The utility model is provided with for the gas of pearl filler bed, water flushing facility, it comprises backwash inlet pipe 91 and backwash water inlet pipe 92, they all are connected to into water main 8, and backwash inlet pipe 91 provides source of the gas by roots blower 93, and water pump 94 is set on the backwash water inlet pipe 92.In general, according to calcium carbonate purity＞95%, annual gas/water backwash number of times is 4 ~ 6 times.Drawing reference numeral 95 is the backwash delivery pipe.Described sea water desaltination water water inlet pipe bottom is provided with a plurality of water distributing pores, guarantees that water distribution is even, and described sea water desaltination water water inlet pipe top is connected to several gas distributionbranch pipes, and gas distribution is even when guaranteeing backwash.
Mineralising of the present utility model pond can be modular permutation and combination, among Fig. 2 and 3, has namely shown one of them the mineralising pond in the modular combination that a plurality of mineralisings pond forms.
Aftertreatment technology after the sea water desaltination of the utility model sea water desaltination water finishing apparatus may further comprise the steps:
(1), in sea water desaltination water, adds CO
2, and it is fully mixed;
(2), will add CO
2Sea water desaltination water in the mineralising pond, carry out mineralising,
Add CO
2Sea water desaltination water by the pearl filler bed, contact fully with calcium carbonate and react, thereby improve basicity and the hardness of sea water desaltination water.
Described sea water desaltination water refers to that seawater passes through the aqueous solution that obtains after reverse osmosis method, electroosmose process, distillation method or subzero fractionation method are processed.
The CO that adds
2Be capacity, calcium carbonate is excessive.Described capacity refers to according to following reaction equation CaCO
3+ CO
2+ H
2O → Ca
2++ 2HCO
3 -, CO
2Mole number and the calcium ion mole number trim that needs reaction to generate or slightly excessive, local inhomogeneous and bring Local C O to eliminate
2Mole number not enough with the calcium ion trim.The control of this tittle can be according to CO
2The control of flow and realizing.
Calcium carbonate in the described mineralising pond is replenished from the top by gravity automatically by the feed supplement pipe, the full lower end mouth of pipe to the feed supplement pipe of pearl filler bed, and it is excessive that calcium carbonate is in all the time.
Claims (3)
1. sea water desaltination water finishing apparatus is characterized in that it comprises the mineralising pond, and the mineralising pond comprises reaction zone, be in the bottom inhalant region of reaction zone below and be in waters, top district and the exhalant region of reaction zone top;
Reaction zone is provided with the pearl filler bed, under the described pearl filler bed quartz sand layer is arranged, and the quartz sand layer pad is on division board, and division board is provided with a plurality of water distribution water caps, and the water inlet pipe of water distribution water cap passes into the bottom inhalant region;
Described bottom inhalant region is provided with the sea water desaltination water water inlet pipe in described mineralising pond,
Described exhalant region is provided with effluent trough, on the described effluent trough overflow weir is set, and is used for making the sea water desaltination water after the mineralising in waters, top district overflow into effluent trough, and described effluent trough is provided with the water outlet in mineralising pond;
Top or the top in described mineralising pond arrange the calcium carbonate feed bin, and described feed bin has the feed supplement pipe of a plurality of pearl filler beds, and the pearl filler bed is the mouth of pipe place, lower end of described feed supplement pipe completely extremely.
2. sea water desaltination water finishing apparatus as claimed in claim 1 is characterized in that it is provided with CO
2Throwing device, described throwing device comprise the CO that draws from the water inlet main of sea water desaltination water
2Add bypass tube, described CO
2Add the supercharging device that sea water desaltination water is set on the bypass tube; Described throwing device also arranges gas CO
2Add pipeline, described gas CO
2Add pipeline and connect liquid CO
2Vaporizer, gas CO
2Add and also be provided with gas CO on the pipeline
2Pressure reducer, described bypass tube connects gas CO again through behind the described supercharging device
2Add pipeline, and then through tubular static mixer, be linked back to the water inlet main, the sea water desaltination water water inlet pipe in mineralising pond is connected described gas CO with the water inlet main
2Add device for cleaning pipeline and overregulate valve, under meter and micropore supply device quantitatively gaseous state CO
2Drop in the bypass tube.
3. sea water desaltination water finishing apparatus as claimed in claim 1 is characterized in that, it is provided with for the gas of pearl filler bed, water flushing facility; The air inlet of gas, water flushing facility and suction culvert are connected to the water inlet main of sea water desaltination water; Described sea water desaltination water water inlet pipe bottom is provided with a plurality of water distributing pores, and sea water desaltination water water inlet pipe top is connected to several gas distributionbranch pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220476615.8U CN202912750U (en) | 2012-09-18 | 2012-09-18 | Desalinated sea water post-processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220476615.8U CN202912750U (en) | 2012-09-18 | 2012-09-18 | Desalinated sea water post-processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202912750U true CN202912750U (en) | 2013-05-01 |
Family
ID=48161080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220476615.8U Expired - Lifetime CN202912750U (en) | 2012-09-18 | 2012-09-18 | Desalinated sea water post-processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202912750U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107555576A (en) * | 2017-05-04 | 2018-01-09 | 童筑林 | A kind of device that mineral matter is added into flowable drinking water |
| CN109987753A (en) * | 2019-05-22 | 2019-07-09 | 华电水务工程有限公司 | A kind of method of desalination water tempering system and regulating water quality |
| CN113173668A (en) * | 2021-06-01 | 2021-07-27 | 中国海洋大学 | Automatic material supplementing type seawater desalination water mineralization tower |
-
2012
- 2012-09-18 CN CN201220476615.8U patent/CN202912750U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107555576A (en) * | 2017-05-04 | 2018-01-09 | 童筑林 | A kind of device that mineral matter is added into flowable drinking water |
| CN107555576B (en) * | 2017-05-04 | 2024-01-09 | 童筑林 | Device for adding mineral substances into flowable drinking water |
| CN109987753A (en) * | 2019-05-22 | 2019-07-09 | 华电水务工程有限公司 | A kind of method of desalination water tempering system and regulating water quality |
| CN113173668A (en) * | 2021-06-01 | 2021-07-27 | 中国海洋大学 | Automatic material supplementing type seawater desalination water mineralization tower |
| CN113173668B (en) * | 2021-06-01 | 2023-04-18 | 中国海洋大学 | Automatic material-supplementing type seawater desalination water mineralization tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |
|
| CX01 | Expiry of patent term |