CN210176650U - Seawater desalination post-treatment system - Google Patents
Seawater desalination post-treatment system Download PDFInfo
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- CN210176650U CN210176650U CN201920883977.0U CN201920883977U CN210176650U CN 210176650 U CN210176650 U CN 210176650U CN 201920883977 U CN201920883977 U CN 201920883977U CN 210176650 U CN210176650 U CN 210176650U
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Abstract
The utility model relates to a sea water desalination after-treatment system, including calcium carbonate filter bed, finished product water tank, be located the first inlet channel of calcium carbonate filter bed bottom, set up the connecting tube at calcium carbonate filter bed and finished product water tank, set up backwash inlet channel and air inlet pipeline bottom calcium carbonate filter bed, set up backwash outlet conduit at the calcium carbonate filter bed lateral wall, set up first branch road on first inlet channel, let in CO in to first inlet channel through first branch road2A gas; control valves are arranged on the first water inlet pipeline, the first branch, the backwashing water inlet pipeline, the air inlet pipeline, the connecting pipeline and the backwashing water outlet pipeline. By passingAdding calcium carbonate filter bed and introducing CO2Gaseous pH value that improves the play water, the design through the calcium carbonate filter bed is handled the sea water simultaneously, adds the module through increasing disinfectant medicine module, fluoride and macroelement adds the module for the antipollution is strong, and quality of water safety, and have human required microelement, be fit for drinking.
Description
Technical Field
The utility model belongs to the technical field of the sea water desalination technique and specifically relates to a sea water desalination post-treatment system.
Background
At present, many places in the world are still in water-deficient areas, drinking water of people becomes a problem to be solved urgently, and the total storage amount of water in the world is 13.86 hundred million km3The ratio of seawater is 96.5%, the surface water and shallow groundwater available to human being is only 0.79%, and the distribution is very uneven along with the change of the territory and the season, so that fresh water needs to be taken from the sea, and the seawater desalination technology is used in more and more areas. The global seawater desalination technology exceeds more than 20, wherein the membrane technology is the most economic seawater desalination technology and high-salinity brackish water desalination technology, but the seawater processed by the membrane method is acidic in water quality and very strong in corrosivity to a water delivery pipe network, so the pH value of the seawater needs to be adjusted.
Disclosure of Invention
The utility model aims to solve the technical problem that a seawater desalination post-treatment system that can improve the cleaning performance and add required element is provided.
The utility model provides a technical scheme that its technical problem adopted is: the seawater desalination post-treatment system comprises a calcium carbonate filter bed, a finished product water tank and a first water inlet pipeline positioned at the bottom of the calcium carbonate filter bed, wherein the calcium carbonate filter bed and the finished product water tank are provided with a connecting pipeline, the bottom of the calcium carbonate filter bed is provided with a backwashing water inlet pipeline and a water inlet pipeline, the side wall of the calcium carbonate filter bed is provided with a backwashing water outlet pipeline, a first branch is arranged on the first water inlet pipeline, and CO is introduced into the first water inlet pipeline through the first branch2A gas; control valves are arranged on the first water inlet pipeline, the first branch, the backwashing water inlet pipeline, the air inlet pipeline, the connecting pipeline and the backwashing water outlet pipeline; the connecting pipeline is provided with a disinfectant dosing module for disinfecting water, a fluoride adding module for adding fluoride and a macroelement adding module for adding macroelements necessary for a human body.
More specifically, a second branch for draining water is arranged on the connecting pipeline, and a control valve is arranged on the second branch.
Further specifically, disinfectant add the medicine module including the disinfectant storage jar that is used for holding disinfectant, connect in the disinfection of disinfectant storage jar and connecting tube with the medicine pipeline and set up control valve and the control pump on the disinfection adds the medicine pipeline disinfection with being equipped with the flowmeter.
Further specifically, the fluoride adding module comprises a fluoride storage tank for storing fluoride, a fluoride adding pipeline connected to the fluoride storage tank and the connecting pipeline, and a control valve and a control pump which are arranged on the fluoride adding pipeline, wherein a flowmeter is arranged on the fluoride adding pipeline.
Further specifically, the constant element adding module includes a constant element storage tank for storing the constant elements, a constant element adding pipeline connected between the constant element storage tank and the connecting pipeline, and a control valve and a control pump provided on the constant element adding pipeline, wherein a flow meter is provided on the constant element adding pipeline.
More specifically, the constant element adding module comprises at least one group.
Further specifically, the system comprises a control module, the control valve and the control pump are controlled by the control module, and the flow meter is connected with the control module.
Further specifically, the system comprises a control module, and the control valve and the control pump are controlled by the control module.
Further specifically, an analyzer is arranged on the connecting pipeline, the analyzer sends an analyzed result to the control module, and the control module operates the opening and closing of the control valve according to the analyzed result.
The utility model has the advantages that: after the system is adopted, a calcium carbonate filter bed is added and CO is introduced2The PH value of the effluent is improved by gas, the seawater is treated by the design of the calcium carbonate filter bed, and the disinfectant adding module, the fluoride adding module and the macroelement adding module are added, so that the pollution resistance is strong, and the water is highHas safe quality, contains microelements required by human body, has the same index as municipal water supply, and is suitable for drinking.
Drawings
Fig. 1 is a schematic view of the connection structure of the present invention.
In the figure: 1. a calcium carbonate filter bed; 2. a finished product water tank; 3. a first water inlet pipe; 4. connecting a pipeline; 5. backwashing the water inlet pipeline; 6. an air inlet pipeline; 7. backwashing the water outlet pipeline; 8. a first branch; 9. a second branch circuit; 10. a disinfectant dosing module; 11. a fluoride addition module; 12. a constant element adding module; 13. roots blower.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a seawater desalination post-treatment system comprises a calcium carbonate filter bed 1, a finished product water tank 2, and a first water inlet pipeline 3 positioned at the bottom of the calcium carbonate filter bed 1, wherein the first water inlet pipeline 3 is used for introducing desalinated seawater treated by a membrane method into the calcium carbonate filter bed 1 from the bottom thereof; the calcium carbonate filter bed 1 and the finished product water tank 2 are provided with a connecting pipeline 4, the connecting pipeline 4 is arranged at the top of the calcium carbonate filter bed 1 and discharges water through a control pump, the bottom of the calcium carbonate filter bed 1 is provided with a backwashing water inlet pipeline 5 and a air inlet pipeline 6, the side wall of the calcium carbonate filter bed 1 is provided with a backwashing water outlet pipeline 7, the first water inlet pipeline 3 is provided with a first branch 8, and CO is introduced into the first water inlet pipeline 3 through the first branch 82Gas, CO doping2The desalinated seawater of the gas passes through the calcium carbonate filter bed 1 and fully reacts with calcium carbonate, so that the alkalinity and the hardness of the desalinated seawater are improved; and control valves are arranged on the first water inlet pipeline 3, the first branch 8, the backwashing water inlet pipeline 5, the air inlet pipeline 6, the connecting pipeline 4 and the backwashing water outlet pipeline 7. And a disinfectant dosing module 10 for disinfecting water, a fluoride adding module 11 for adding fluoride and a macroelement adding module 12 for adding macroelements necessary for a human body are arranged on the connecting pipeline 4.
When the system is used for backwashing, the first water inlet pipeline 3 and the connecting pipeline 4 are firstly closed, washing liquor or clean water is introduced into the calcium carbonate filter bed 1 through the backwashing water inlet pipeline 5, then gas is fed into the air inlet pipeline 6 through the Roots blower 13, the gas is introduced into the bottom of the calcium carbonate filter bed 1 through the air inlet pipeline 6, the gas can stir the washing liquor or clean water in the calcium carbonate filter bed 1, and the cleaning effect is improved.
Desalination sea water through calcium carbonate filter bed 1 still need disinfect, so increase disinfectant and add medicine module 10, disinfectant add medicine module 10 including the disinfectant storage jar that is used for holding disinfectant, connect in the disinfection of disinfectant storage jar and connecting tube with the medicine pipeline and set up control valve and the control pump on the disinfection adds the medicine pipeline disinfection add the medicine pipeline on be equipped with the flowmeter, disinfect desalination sea water in importing the connecting tube to through the disinfectant in the control pump with disinfectant storage jar, open and close through the control valve, through the input of flowmeter control disinfectant, carry out accurate control.
Based on the structure, the desalinated seawater processed by the membrane method is still lack of the macroelements required by the human body, so that the number of the macroelement adding modules 12 can be determined according to the number of the required macroelements when at least one group of the macroelement adding modules 12 is added, and the required macroelements can be combined together and delivered only by one group of the macroelement adding modules 12.
The constant element adding module 12 comprises a constant element storage tank for storing the constant elements, a constant element adding pipeline connected between the constant element storage tank and the connecting pipeline, and a control valve and a control pump arranged on the constant element adding pipeline, wherein a flow meter is arranged on the constant element adding pipeline; the macroelement in the macroelement storage tank is input into the connecting pipeline through the control pump and added into the desalinated seawater, the control valve is opened and closed, and the input quantity of the macroelement is controlled through the flow meter to perform accurate control.
Further, a fluoride adding module 11 is added, wherein the fluoride adding module 11 comprises a fluoride storage tank for storing fluoride, a fluoride adding pipeline connected with the fluoride storage tank and the connecting pipeline, and a control valve and a control pump which are arranged on the fluoride adding pipeline, and a flowmeter is arranged on the fluoride adding pipeline; inputting fluoride in a fluoride storage tank into a connecting pipeline through a control pump, adding the fluoride into the desalinated seawater, opening and closing the connecting pipeline through a control valve, and controlling the input amount of the fluoride through a flowmeter to perform accurate control; the addition of a proper amount of fluoride to drinking water is beneficial to health and also to the prevention of tooth decay.
In order to facilitate the discharge of waste water, a second branch 9 for water discharge is provided on the connecting pipe 4, and a control valve is provided on the second branch 9, and the control valve is opened to discharge waste water from the connecting pipe 4.
The system can be adjusted manually or adjusted and controlled by a control module embedded with software, the control module is connected with the control pump, the control valve and the flowmeter, an analyzer is arranged on a connecting pipeline, the analyzer sends an analyzed result to the control module, and the control module operates the control valve to be opened or closed according to the analyzed result.
When the system works normally, the control module controls the Roots blower 13 to stop working, and closes the control valve of the air inlet pipeline 6, the control valve of the backwashing water inlet pipeline 5, the control valve of the backwashing water outlet pipeline 7 and the control valve of the second branch 9; simultaneously opening a control valve of the first water inlet pipeline 3, a control valve of the first branch 8, a control valve of the connecting pipeline 4, a control valve of the disinfection medicine adding pipeline, a control valve of the macroelement adding pipeline and a control valve of the fluoride adding pipeline; CO (carbon monoxide) entering desalted seawater in the first water inlet pipeline 3 and the first branch line 82The gas is mixed and then enters the bottom of the calcium carbonate filter bed 1, the desalinated seawater is collected at the bottom of the calcium carbonate filter bed 1, the water level slowly rises, when the gas reaches the top, the control module controls a control pump on the connecting pipeline 4 to enable the desalinated seawater filtered at the top of the calcium carbonate filter bed 1 to enter the connecting pipeline 4, and the disinfectant, the fluoride and the macroelements are added into the connecting pipeline 4 through the control module and mixed with the desalinated seawater to enter the finished product water tank 2 for storage. The addition amount of the disinfectant, the fluoride and the macroelements is determined according to the flow rate of the desalinated seawater, so thatA flowmeter is arranged on the connecting pipeline 4, and correspondingly, disinfectant, fluoride and macroelements are added, the disinfectant, the fluoride and the macroelements are read through the flowmeter and the additive amount is controlled through a control module, so that the accuracy is improved; and the amount of such additive is calculated by software embedded in the control module.
Because the desalinated seawater in the early stage needs to be discharged when the system starts to operate, the desalinated seawater can be discharged through the second branch 9; an analyzer is arranged on the connecting pipeline 4, the analyzer transmits the analysis result of the desalinated seawater to the control module, the control module judges the qualified rate of the desalinated seawater, and if the desalinated seawater is qualified, the subsequent treatment is continued; if not, the waste water is discharged from the second branch 9.
When the system needs to be cleaned, the calcium carbonate filter bed 1 is mainly cleaned, the control module closes the control valve of the first water inlet pipeline 3, the control valve of the first branch 8, the control valve of the connecting pipeline 4, the control valve of the disinfection medicine adding pipeline, the control valve of the macroelement adding pipeline and the control valve of the fluoride adding pipeline, and simultaneously opens the control valve of the air inlet pipeline 6, the control valve of the backwashing water inlet pipeline 5 and the control valve of the backwashing water outlet pipeline 7; let in clear water through backwash inlet channel 5, blow through roots's fan 13 simultaneously for clear water and calcium carbonate filter bed 1 fully contact, strengthen abluent effect, the water level risees, when the water level risees to the top, from the backwash outlet conduit 7 overflow of side and play, accomplish the cleaning operation.
To sum up, the system can realize the function of desalinating seawater into drinking water, simultaneously elements required by human bodies are added, when the calcium carbonate filter bed needs to be cleaned, the calcium carbonate filter bed can be cleaned immediately, the cleaning efficiency is improved, and the calcium carbonate filter bed is additionally arranged and CO is introduced2Gaseous pH value that improves the play water, the design through the calcium carbonate filter bed is handled the sea water simultaneously, adds the module through increasing disinfectant and adds module, fluoride and macroelement and add the module for the antipollution is strong, and quality of water safety is unanimous with the index of municipal water supply, is fit for drinking.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (9)
1. The seawater desalination post-treatment system comprises a calcium carbonate filter bed (1), a finished product water tank (2) and a first water inlet pipeline (3) located at the bottom of the calcium carbonate filter bed (1), wherein the calcium carbonate filter bed (1) and the finished product water tank (2) are provided with a connecting pipeline (4), and the seawater desalination post-treatment system is characterized in that a backwashing water inlet pipeline (5) and a water inlet pipeline (6) are arranged at the bottom of the calcium carbonate filter bed (1), a backwashing water outlet pipeline (7) is arranged on the side wall of the calcium carbonate filter bed (1), a first branch (8) is arranged on the first water inlet pipeline (3), and CO is introduced into the first water inlet pipeline (3) through the first branch (8)2A gas; control valves are arranged on the first water inlet pipeline (3), the first branch (8), the backwashing water inlet pipeline (5), the air inlet pipeline (6), the connecting pipeline (4) and the backwashing water outlet pipeline (7); the connecting pipeline (4) is provided with a disinfectant dosing module (10) for disinfecting water, a fluoride adding module (11) for adding fluoride and a macroelement adding module (12) for adding macroelements necessary for a human body.
2. The seawater desalination post-treatment system according to claim 1, wherein a second branch (9) for draining is provided on the connecting pipe (4), and a control valve is provided on the second branch (9).
3. The seawater desalination post-treatment system according to claim 1, wherein the disinfectant adding module (10) comprises a disinfectant storage tank for containing a disinfectant, a disinfection adding pipeline connected to the disinfectant storage tank and the connecting pipeline, and a control valve and a control pump arranged on the disinfection adding pipeline, wherein a flow meter is arranged on the disinfection adding pipeline.
4. The seawater desalination post-treatment system as claimed in claim 1, wherein the fluoride adding module (11) comprises a fluoride storage tank for storing fluoride, a fluoride adding pipeline connected to the fluoride storage tank and the connecting pipeline, and a control valve and a control pump arranged on the fluoride adding pipeline, wherein a flow meter is arranged on the fluoride adding pipeline.
5. The seawater desalination post-treatment system according to claim 1, wherein the constant element adding module (12) comprises a constant element storage tank for storing a constant element, a constant element adding pipeline connected between the constant element storage tank and the connecting pipeline, and a control valve and a control pump arranged on the constant element adding pipeline, wherein a flow meter is arranged on the constant element adding pipeline.
6. The seawater desalination post-treatment system according to claim 5, wherein at least one group of the constant element adding modules (12) is provided.
7. The seawater desalination post-treatment system of any one of claims 3 to 6, wherein the system comprises a control module, the control valve and the control pump are controlled by the control module, and the flow meter is connected with the control module.
8. The seawater desalination post-treatment system of any one of claims 1 to 6, wherein the system comprises a control module, and the control valve and the control pump are controlled by the control module.
9. The seawater desalination post-treatment system according to claim 8, wherein an analyzer is arranged on the connecting pipeline (4), the analyzer sends an analyzed result to the control module, and the control module operates the control valve to open and close according to the analyzed result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920883977.0U CN210176650U (en) | 2019-06-12 | 2019-06-12 | Seawater desalination post-treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920883977.0U CN210176650U (en) | 2019-06-12 | 2019-06-12 | Seawater desalination post-treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN210176650U true CN210176650U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920883977.0U Active CN210176650U (en) | 2019-06-12 | 2019-06-12 | Seawater desalination post-treatment system |
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| CN (1) | CN210176650U (en) |
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- 2019-06-12 CN CN201920883977.0U patent/CN210176650U/en active Active
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