CN203845852U - Residual oxidant neutralizing device for ballast water draining process - Google Patents
Residual oxidant neutralizing device for ballast water draining process Download PDFInfo
- Publication number
- CN203845852U CN203845852U CN201420241544.2U CN201420241544U CN203845852U CN 203845852 U CN203845852 U CN 203845852U CN 201420241544 U CN201420241544 U CN 201420241544U CN 203845852 U CN203845852 U CN 203845852U
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- CN
- China
- Prior art keywords
- ballast
- magnetic valve
- ballast water
- neutralising arrangement
- water
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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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Abstract
The utility model provides a residual oxidant neutralizing device for a ballast water draining process, and belongs to the technical field of ballast water automatic neutralization by adopting a chemical method. The device is provided with two same neutralizing agent tanks, wherein a solvent in the neutralizing agent tanks is ballast water from a main pipeline, and is controlled by an electromagnetic valve. When the concentration of a residual chlorine analyzer in a ballast water draining main pipeline is more than 0.2mg/L, the device is automatically started, solutions in the two neutralizing agent tanks are respectively injected into the ballast water draining main pipeline, the two neutralizing agent tanks are alternately used in the neutralizing process, and the interruption phenomenon cannot occur. The device is automatic in control, has small size, high efficiency and simplicity in operation, can realize neutralization in the ballast water draining process, meets the requirement of the International Maritime Organization (TRO concentration is less than 0.2mg/L), and can be widely applied to neutralization device for treating ballast water by an oxidation method.
Description
Technical field
The utility model belongs to marine environmental protection applied technical field, relates to a kind of chemical process (By Ozone, electrolytic process etc.) processing ballast that adopts, and specifically refers to a kind of residual oxygen agent neutralising arrangement for discharge of ballast water process.
Background technology
Water ballast refers to and means as controlling horizontal hectare of boats and ships, vertical hectare, drinking water, stability and stress and be attached to water and the suspended matter on ship.Boats and ships discharge water ballast is to cause the main approach that between geographic isolation water body, harmful organism is propagated.Nearly 10,000,000,000 tons of the water ballast that annual global boats and ships carry, the ballast water capacity that 100,000 tons of freighters of a load-carrying carry reaches ten thousand tons of 5-6.Compared with the natural marine eco-environment, ballast water for ship is the ecosystem under a kind of particular surroundings, tames and the biology of surviving often has extremely strong vitality and competitive power through water ballast.Once they are discharged in nature ocean environment, just may produce uncontrollable " avalanche type " breeding, endemic species is caused to great impact, even cause local species extinction, cause a series of environmental disasters.
The treatment process of water ballast mainly contains mechanical treatment process, physical treatment process, method of chemical treatment and some other treatment process at present.Wherein mechanical means comprises filtration, cyclone separation, dilution, sedimentation and flotation, high flow rate etc.; Physical method comprises heat treated, discharge process, magnetization processing, ultrasonication, uviolizing processing and gamma-rays processing etc.; Chemical process is mainly to utilize hot the processing of chlorine or muriate, deoxidation treatment, hydrogen peroxide, ozone, hydroxyl radical free radical etc.According to statistics, be in the great majority by chemical process in the method for International Maritime Organizaton (IMO) certification.
In water ballast chemical process treating processes, the part ion generation chemical reaction in chemical agent and seawater, derives complicated secondary species kind, comprises Cl
2, ClO
-, ClO
2, Br
2, BrO
-, NH
2cl, NH
2the summation of the materials such as Br, wherein with BrO
-account for maximum ratio, the summation of these products is referred to as total residual oxygen agent (Total Residual Oxidant, TRO).Generally conventional chlorine residue analyser detects the concentration of total residual oxygen agent (TRO) in the world.According to the requirement of International Maritime Organizaton (IMO), pumping system administration guide (G8 directive/guide) and active substance water ballast approved programme (G9 directive/guide) point out that the maximum permission of total residual oxygen agent (TRO) emission concentration is 0.2mg/L, when discharge of ballast water after treatment, if TRO is greater than 0.2mg/L, must use neutralized system to neutralize, neutralize rear up to standard and allow discharge, in order to avoid ocean environment is worked the mischief.
Utility model content
In order to address the above problem, the utility model provides a kind of neutralising arrangement that can automatically add neutralizing agent, is applicable to water ballast after all processing that contain residual oxygen agent (TRO).Neutralization reaction is carried out in discharge process, in and medicament directly from main line, extract, do not need other interpolation; When work, two identical in and chemical tank be used alternatingly, there will not be disruption.Can safety, effectively reduce the total residual oxygen agent (TRO) in discharge of ballast water process, reach the emission standard (< 0.2mg/L) of International Maritime Organization (IMO).
The utility model solves the technical scheme that its method adopts:
A residual oxygen agent neutralising arrangement in discharge of ballast water process, this device comprises that seawater conveying loading section, shunting are by system part, neutralising arrangement, volume pump, vacuum breaker and test section,
Seawater carries loading section to comprise discharge of ballast water pipeline, a water ballast conveying point pipeline, impeller pump, under meter and valve, and water ballast is carried in point pipeline access discharge of ballast water pipeline, and process impeller pump, under meter, valve enter neutralising arrangement pipeline;
Shunting adopts four magnetic valves by system part: entrance left side magnetic valve A, entrance right side magnetic valve B, outlet left side magnetic valve C and outlet right side magnetic valve D, entrance left side magnetic valve A and entrance right side magnetic valve B are located at the ingress of neutralising arrangement, for controlling the approach axis of water ballast; Outlet left side magnetic valve C and outlet right side magnetic valve D are located at the exit of neutralising arrangement, are used for controlling the outflow after ballast water treatment.
Neutralising arrangement is divided into left side neutralising arrangement and right side neutralising arrangement, left side neutralising arrangement comprise pressure difference transmitter A, in and chemical tank A, liquid level sensor A and solid feed box A, during right side neutralising arrangement comprises and chemical tank B, solid feed box B, liquid level sensor B, pressure difference transmitter B, solid feed box A is identical with solid feed box B, two-layer dividing plate is arranged at the bottom of solid feed box, the micropore that the uniform diameter of the first layer is 1mm, when device work, the second layer is opened downwards.
In and chemical tank A with in and the bottom of chemical tank B automatically actuated stirrer is housed.Medicine in solid feed box A and solid feed box B is Sulfothiorine (Na
2s
2o
3) pressed powder, in and chemical tank A and in and chemical tank B in Sulfothiorine (Na
2s
2o
3) concentration of solution is 0.01mol/L.
Volume pump connects magnetic valve C and the magnetic valve D of flow-dividing control part, and vacuum breaker and volume pump join, and ensure water ballast one way flow after treatment.
Test section comprises the chlorine residue analyser A and the rear chlorine residue analyser B detecting of neutralization that in discharge, detect, the water ballast after the real-time Check processing of chlorine residue analyser A, and chlorine residue analyser B detects the water ballast after neutralization in real time.
Device working process of the present utility model is as follows:
Water ballast is carried in point pipeline access discharge of ballast water pipeline, directly extracts seawater in discharge pipe as raw material; The water ballast extracting is through impeller pump, under meter, valve access to plant pipeline;
By the direction of water ballast in entrance left side magnetic valve A and entrance right side magnetic valve B pilot piping, in startup and in chemical tank A or neutralization and chemical tank B;
In pressure difference transmitter A and liquid level sensor A monitoring and the liquid level of chemical tank A, in pressure difference transmitter B and liquid level sensor B monitoring and the liquid level of chemical tank B, in the time that liquid level arrives qualifying bit, solid feed box A or solid feed box B lower plate are opened, and throw in pressed powder (Na
2s
2o
3powder), in chemical tank, the stirrer of bottom starts, and stirs 1min.
While discharge after ballast water treatment, chlorine residue analyser A on water ballast supervisor detects in real time, in the time that the residual chlorine concentration in signal piping is greater than 0.2mg/L, opens outlet left side magnetic valve C or outlet right side magnetic valve D, volume pump starts, the Sulfothiorine (Na preparing
2s
2o
3) solution injects main line by vacuum breaker and fully mix with discharge water ballast, chlorine residue analyser B detects neutralizing rear water ballast, detects rear discharge up to standard, not up to standardly reloads in auto levelizer and neutralizes.
Benefit of the present utility model is: this neutralising arrangement volume is little, efficiency is high, simple to operate; In discharge pipe, install, do not need to change discharge of ballast water pipeline in boats and ships.In two of neutralized system and chemical tank be used alternatingly, effectively prevent that the situation of interruption from appearring in neutralizing agent in making up a prescription, and guarantees that N-process is uninterrupted.The speed of response of neutralizing agent and water ballast is exceedingly fast, and is about 1s～2s, realizes the requirement (TRO concentration is less than 0.2mg/L) that neutralizes and meet International Maritime Organizaton in discharge of ballast water process.The utility model can be widely used in the N-process of chemical Treatment water ballast.
Brief description of the drawings
Accompanying drawing is that the utility model is in discharge of ballast water process, the schematic diagram of TRO in this device and in pipeline.
In figure: 1 water ballast is carried a point pipeline; 2 impeller pumps; 3 under meters; 4 valves; 5 pressure difference transmitter A; In 6 and chemical tank A; 7 liquid level sensor A; 8 solid feed box A; 9-1 entrance left side magnetic valve A; 9-2 entrance right side magnetic valve B; 9-3 outlet left side magnetic valve C; 9-4 exports right side magnetic valve D; In 10 and chemical tank B, 11 solid feed box B; 12 liquid level sensor B; 13 pressure difference transmitter B; 14 volume pumps; The chlorine residue analyser A and the A that in 15 discharges, detect; 16 vacuum breaker; In 17 and the chlorine residue analyser B of rear detection; 18 discharge of ballast water pipelines.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with technical scheme and accompanying drawing.
The utility model be a kind of in the time of discharge of ballast water in and the device of total residual oxygen agent (TRO) in water ballast, this device is to realize like this, when water ballast is in the time that main line 18 discharges, chlorine residue analyser A15 power supply in system, pilot lamp brightens, simultaneously start in and chemical tank A6, open magnetic valve 9A, in and chemical tank A6 in solvent from main line 18, extract, carry a point pipeline 1 through water ballast, impeller pump 2, under meter 3, valve 4, in pressure difference transmitter A5 and liquid level sensor A7 monitoring and the liquid level of chemical tank A6, in the time that liquid level arrives qualifying bit, solid feed box A8 lower plate is opened, throw in solid sulfur sodium thiosulfate powder (Na
2s
2o
3), in and the stirrer of chemical tank A6 bottom start, stir 1min, the Sulfothiorine (Na of preparation
2s
2o
3) strength of solution is 0.01mol/L, the neutralizing agent after preparing is waited for the injection of volume pump 14.When discharge of ballast water, chlorine residue analyser A15 detects water ballast after treatment, when the demonstration numerical value of chlorine residue analyser A15 is during higher than 0.2mg/L, its concentration signal is neutralized volume pump 14 controllers that chemical tank A6 is corresponding and receives, open magnetic valve 9-3, according to detect chlorine residue analyser concentration, controller regulates volume pump 14 rotating speeds automatically, thus control in and medicament (Sulfothiorine (Na
2s
2o
3) solution) and with the proportioning flow of main line water ballast, realize the total residual oxygen agent (TRO) in quantitative neutralization discharge water ballast.When in and chemical tank A6 liquid level during lower than set(ting)value, signal is passed to liquid level sensor A7 by differential pressure transmitter A5, liquid level sensor A7 shows while reaching the liquid level that needs filling medicament, open magnetic valve 9-2, during device automatically starts and chemical tank B10, in pressure difference transmitter B13 and liquid level sensor B12 monitoring with the liquid level of chemical tank B10, step is the same, when in and solution in chemical tank A6 arrive when lowest order, open magnetic valve 9-4, in use and chemical tank B10.So, in and chemical tank A6 with in and chemical tank B10 be used alternatingly, there will not be disruption.Water ballast after neutralization along with tubes rows is put in ocean, as below standard, reload in auto levelizer and neutralizes after chlorine residue analyser B17 detection is up to standard.
This neutralising arrangement volume is little, efficiency is high, simple to operate; In discharge pipe, install, do not need to change discharge of ballast water pipeline in boats and ships.In two of neutralising arrangement and chemical tank be used alternatingly, effectively prevent that the situation of interruption from appearring in neutralizing agent in making up a prescription, and guarantees that N-process is uninterrupted.The speed of response of neutralizing agent and water ballast is exceedingly fast, and is about 1s～2s, realizes the requirement (TRO concentration is less than 0.2mg/L) that neutralizes and meet International Maritime Organizaton in discharge of ballast water process.The utility model can be widely used in chemical Treatment water ballast in and discharge process.
Claims (3)
1. for a residual oxygen agent neutralising arrangement for discharge of ballast water process, it is characterized in that, this device comprises that seawater conveying loading section, shunting are by system part, neutralising arrangement, volume pump, vacuum breaker and test section;
Seawater carries loading section to comprise discharge of ballast water pipeline, a water ballast conveying point pipeline, impeller pump, under meter and valve, and water ballast is carried in point pipeline access discharge of ballast water pipeline, and process impeller pump, under meter, valve enter neutralising arrangement pipeline;
Shunting adopts four magnetic valves by system part: entrance left side magnetic valve A, entrance right side magnetic valve B, outlet left side magnetic valve C and outlet right side magnetic valve D, entrance left side magnetic valve A and entrance right side magnetic valve B are located at the ingress of neutralising arrangement, for controlling the approach axis of water ballast; Outlet left side magnetic valve C and outlet right side magnetic valve D are located at the exit of neutralising arrangement, are used for controlling the outflow after ballast water treatment.
Neutralising arrangement is divided into left side neutralising arrangement and right side neutralising arrangement, left side neutralising arrangement comprise pressure difference transmitter A, in and chemical tank A, liquid level sensor A and solid feed box A, during right side neutralising arrangement comprises and chemical tank B, solid feed box B, liquid level sensor B, pressure difference transmitter B;
Volume pump connects magnetic valve C and the magnetic valve D of flow-dividing control part, and vacuum breaker and volume pump join, and ensure water ballast one way flow after treatment;
Test section comprises the chlorine residue analyser A and the rear chlorine residue analyser B detecting of neutralization that in discharge, detect, the water ballast after the real-time Check processing of chlorine residue analyser A, and chlorine residue analyser B detects the water ballast after neutralization in real time.
2. the residual oxygen agent neutralising arrangement for discharge of ballast water process according to claim 1, it is characterized in that, solid feed box A is identical with solid feed box B, two-layer dividing plate is arranged at the bottom of solid feed box, the micropore that the uniform diameter of the first layer is 1mm, when device work, the second layer is opened downwards; Medicine in solid feed box A and solid feed box B is Sulfothiorine pressed powder, in and chemical tank A and in and in chemical tank B the concentration of hypo solution be 0.01mol/L.
3. the residual oxygen agent neutralising arrangement for discharge of ballast water process according to claim 1 and 2, is characterized in that, in and chemical tank A with in and the bottom of chemical tank B automatically actuated stirrer is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241544.2U CN203845852U (en) | 2014-05-13 | 2014-05-13 | Residual oxidant neutralizing device for ballast water draining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241544.2U CN203845852U (en) | 2014-05-13 | 2014-05-13 | Residual oxidant neutralizing device for ballast water draining process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203845852U true CN203845852U (en) | 2014-09-24 |
Family
ID=51558892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420241544.2U Withdrawn - After Issue CN203845852U (en) | 2014-05-13 | 2014-05-13 | Residual oxidant neutralizing device for ballast water draining process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203845852U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979661A (en) * | 2014-05-13 | 2014-08-13 | 大连海事大学 | Residual oxidant neutralization device and method used for ballast water discharging process |
| CN107364944A (en) * | 2017-07-25 | 2017-11-21 | 绍兴柯桥供水有限公司 | Water disinfection processing system and process |
| CN111807495A (en) * | 2020-08-05 | 2020-10-23 | 西安热工研究院有限公司 | Water quality control device and method for preventing corrosion of indirect air-cooling circulating water system |
-
2014
- 2014-05-13 CN CN201420241544.2U patent/CN203845852U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979661A (en) * | 2014-05-13 | 2014-08-13 | 大连海事大学 | Residual oxidant neutralization device and method used for ballast water discharging process |
| CN107364944A (en) * | 2017-07-25 | 2017-11-21 | 绍兴柯桥供水有限公司 | Water disinfection processing system and process |
| CN107364944B (en) * | 2017-07-25 | 2019-10-25 | 绍兴柯桥供水有限公司 | Water disinfection processing system and process |
| CN111807495A (en) * | 2020-08-05 | 2020-10-23 | 西安热工研究院有限公司 | Water quality control device and method for preventing corrosion of indirect air-cooling circulating water system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20150624 |
|
| RGAV | Abandon patent right to avoid regrant |