CN102888623B - Generating system of electrolytic sodium hypochlorite - Google Patents
Generating system of electrolytic sodium hypochlorite Download PDFInfo
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- CN102888623B CN102888623B CN201210334192.0A CN201210334192A CN102888623B CN 102888623 B CN102888623 B CN 102888623B CN 201210334192 A CN201210334192 A CN 201210334192A CN 102888623 B CN102888623 B CN 102888623B
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Abstract
The invention discloses a generating system of electrolytic sodium hypochlorite. The generating system comprises a brine supply component, an electrolytic reaction component and an energy supply component, wherein the brine supply component comprises a brine circulating pump, a dissolving salt pot and a water supplier used for providing soft water; the brine circulating pump, the dissolving salt pot and the water supplier are in communication through a brine flowing pipe; the electrolytic reaction component comprises a reaction pond, a reaction electrode and a sodium hypochlorite liquid storing tank; the reaction electrode is arranged in a reaction pond, and the reaction pond is in communication with the sodium hypochlorite liquid storing tank; the brine circulating pump is in communication with the reaction pond through the brine flowing pipe; the energy supply component comprises at least two groups of power supply devices, and all of power supply devices are electrically connected with the electrolytic reaction component. By arranging the brine circulating pump, the brine supply system is capable of improving the thinning speed of the brine, so that the brine in the brine supply system can keep the concentration of the electrolytic reaction constantly, thereby the stability of the brine concentration of the electrolytic sodium hypochlorite generating system is improved.
Description
Technical field
The present invention relates to sterilization equipment technical field, more particularly, particularly a kind of electrolyzing clorox generation systems.
Background technology
Javelle water is as real efficient, and wide spectrum, the thimerosal of safety is more and more paid attention to and popularizes, and electrolyzing hypochlorite generator is because it is easy to use, uses field wide, and is developed rapidly and promote.To electrolyzing hypochlorite generator, the temperature of brine electrolysis (weak brine) is very large on electrolytic efficiency impact, and time temperature too low (lower than 15 degree), electrolytic efficiency reduces; Too high (higher than 40 degree) not only affect electrolytic efficiency, and can make plastic components distortion and the leakages etc. such as electrolyzer that equipment can be caused normally not run.The instability of the salt concn of brine electrolysis (weak brine) also can produce the shakiness of generated chlorine bleach liquor's concentration; finally bring the instability of sterilisation effect; and the fault of electrolysis power; force the frequent shutdown maintenance of electrolyzing hypochlorite generator, have a strong impact on the normal use of equipment.The problems referred to above, although existing a lot of improving, still do not overcome completely and solve at present.
Illustrate with ultimate principle that is more advanced and electrolyzing hypochlorite generator in widely using at present below.
The generating mode of the saturated brine of current hypochlorite generator is, when dissolving when the water level inside salt cellar is reduced to certain water level, clear water (soft water) being injected dissolving salt cellar, stopping water filling, so repeatedly when water level reaches institute's take the altitude.Now, because the new water injected reaches capacity, salt solution needs the regular hour, so can produce electrolysis, the salt concn of water changes in time, and then bring the change of concentration of electrolysis chlorine bleach liquor out, and on the other hand, the method for this kind of dissolved salt, sometimes the caking of salt can also be produced, form the cavity of salt, make dissolving salt solution not reach saturated brine, and produce the reduction of chlorine bleach liquor's concentration.
The electrolysis power that current hypochlorite generator adopts normally single power supply, because single power supply capacity is large, its price is also expensive, be difficult to ensure the prewired standby power supply of every complete equipment, when power failure, have to the operation of arrestment, repair or change power supply, the normal operation that drastically influence equipment uses, and reduces the job stability of system dramatically.
In sum, how to solve javelle water generating apparatus brine concentration instability and improve the problem of system power supply stability, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
The technical problem to be solved in the present invention is for providing a kind of electrolyzing clorox generation systems, and this electrolyzing clorox generation systems can solve javelle water generating apparatus brine concentration instability and improve the problem of system power supply stability.
For solving the problems of the technologies described above, the invention provides a kind of electrolyzing clorox generation systems, comprising:
Salt solution provisioning component, described salt solution provisioning component comprising salt water circulating pump, dissolving salt cellar and for providing the water supply device of soft water, and described salt water circulating pump, described dissolving salt cellar and described water supply device are communicated with by brine stream siphunculus;
Electrolytic reaction assembly, described electrolytic reaction assembly comprises reaction tank, reaction electrode and clorox container for storing liquid, described reaction electrode is arranged in described reaction tank, described reaction tank is communicated with described clorox container for storing liquid, and described salt water circulating pump is communicated with described reaction tank by described brine stream siphunculus;
Power supply assembly, described power supply assembly comprises the electric supply installation being less than two groups, and whole described electric supply installations is all electrically connected with described electrolytic reaction assembly.
Preferably, the present invention also comprises for carrying out the flow stabilizer of voltage stabilizing and the measuring apparatus for measuring soft water to soft water, and described flow stabilizer and described measuring apparatus are arranged at the water outlet end of described water supply device by described brine stream siphunculus.
Preferably, described electrolytic reaction assembly is heat exchanger electrode, the arranged outside of described heat exchanger electrode has the electrode for carrying out electrolytic action, the inside of described heat exchanger electrode is provided with heat exchange medium, and described heat exchanger electrode carries out heat exchange by heat exchange medium circulating tube to described brine stream siphunculus and/or dissolving salt cellar.
The invention provides a kind of electrolyzing clorox generation systems, comprise: salt solution provisioning component, salt solution provisioning component comprising salt water circulating pump, dissolving salt cellar and for providing the water supply device of soft water, salt water circulating pump, dissolves salt cellar and water supply device is communicated with by brine stream siphunculus; Electrolytic reaction assembly, electrolytic reaction assembly comprises reaction tank, reaction electrode and clorox container for storing liquid, and reaction electrode is arranged in reaction tank, and reaction tank is communicated with clorox container for storing liquid, and salt water circulating pump is communicated with reaction tank by brine stream siphunculus; Power supply assembly, power supply assembly comprises the electric supply installation being less than two groups, and whole electric supply installations is all electrically connected with electrolytic reaction assembly.
In said structure, salt water supply system is by arranging salt water circulating pump, saturated salt solution and pure water (soft water) can be made to circulate in brine stream siphunculus, saturated aqueous common salt and pure water are in the process circulated, the dilution of salt solution can be accelerated, thus improve the dilution rate (reducing to increasing degree salt solution by the saturated reaction times being diluted to low concentration) of salt solution, make the salt solution moment in salt water supply system keep carrying out the concentration of electrolytic reaction, improve the stability of electrolyzing clorox generation systems brine concentration.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is formation and the flow circuit diagram of electrolyzing hypochlorite generator of the present invention
10)-electrolysis power, (20)-heat exchanger electrode, (21)-first step electrolyzer, (22)-second stage electrolyzer, (30)-water softening device, (40, 41, 42, 43, 48)-magnetic valve, (44)-soft water flux stabilizer, (45)-soft water flux meter, (50)-dissolve salt cellar, (56)-meter brine pump, (58)-salt water circulating pump, (59)-dissolve salt cellar water level gauge, (60)-chlorine bleach liquor's hold-up vessel, (70)-water coolant pond for recovering (tank), (80)-soft water thermometer, (11)-electrolysis power line, (23)-brine electrolysis (weak brine) pipeline, (24, 25)-chlorine bleach liquor's pipeline, (31, 32, 33, 34, 35, 36, 37, 38, 39, 46)-soft water pipeline, (51, 52, 54, 55)-saline line,
The heat exchanger flow circuit diagram of Fig. 2 electrolyzing hypochlorite generator of the present invention
(10)-electrolysis power, (20)-heat exchanger electrode, (21)--level electrolyzer, (22)-second stage electrolyzer, (30)-water softening device, (40, 41, 42, 48)-magnetic valve, (44)-soft water flux stabilizer, (45)-soft water flux meter, (50)-dissolve salt cellar, (56)-meter brine pump, (60)-chlorine bleach liquor's hold-up vessel, (70)-water coolant pond for recovering (tank), (80)-soft water thermometer, (11)-electrolysis power line, (23)-brine electrolysis (weak brine) pipeline, (24, 25)-chlorine bleach liquor's pipeline, (31, 32, 33, 34, 35, 36, 37, 38, 39)-soft water pipeline, (51, 52)-saline line,
The dissolved salt system flow circuit diagram of Fig. 3 electrolyzing hypochlorite generator of the present invention
(30)-water softening device, (43)-magnetic valve, (50)-dissolve salt cellar, (58)-salt water circulating pump, (59) (-dissolve salt cellar water level gauge, (31,46)-soft water pipeline, (51,54,55)-saline line;
The electrolysis power series-connection power supplies loop diagram of Fig. 4 electrolyzing hypochlorite generator of the present invention
(1)-direct supply monomer, (2)-splitter, (3)-reometer, (4)-series-connection power supplies constant current controller, (5)-constant current setting apparatus, (20)-electrolyzer;
The electrolysis power parallel connection power supply loop diagram of Fig. 5 electrolyzing hypochlorite generator of the present invention
(1)-direct supply monomer, (2)-splitter, (3)-reometer, (6)-parallel connection power supply constant current controller, (5)-constant current setting apparatus, (20)-electrolyzer;
The heat exchanger battery lead plate schematic diagram of Fig. 6 electrolyzing hypochlorite generator of the present invention
(1)-cooling fluid (heating water), (2)-electrolytic solution (cooling fluid), (3)-battery lead plate (negative electrode), (4)-heat exchanger battery lead plate, (5)-battery lead plate (anode), (6)-slot electrode (plastic component).
Embodiment
Core of the present invention is for providing a kind of electrolyzing clorox generation systems, and this electrolyzing clorox generation systems can solve javelle water generating apparatus brine concentration instability and improve the problem of system power supply stability.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The invention provides a kind of electrolyzing clorox generation systems, comprise: salt solution provisioning component, salt solution provisioning component comprising salt water circulating pump, dissolving salt cellar and for providing the water supply device of soft water, salt water circulating pump, dissolves salt cellar and water supply device is communicated with by brine stream siphunculus; Electrolytic reaction assembly, electrolytic reaction assembly comprises reaction tank, reaction electrode and clorox container for storing liquid, and reaction electrode is arranged in reaction tank, and reaction tank is communicated with clorox container for storing liquid, and salt water circulating pump is communicated with reaction tank by brine stream siphunculus; Power supply assembly, power supply assembly comprises the electric supply installation being less than two groups, and whole electric supply installations is all electrically connected with electrolytic reaction assembly.
In said structure, salt water supply system is by arranging salt water circulating pump, saturated salt solution and pure water (soft water) can be made to circulate in brine stream siphunculus, saturated aqueous common salt and pure water are in the process circulated, the dilution of salt solution can be accelerated, thus improve the dilution rate (reducing to increasing degree salt solution by the saturated reaction times being diluted to low concentration) of salt solution, make the salt solution moment in salt water supply system keep carrying out the concentration of electrolytic reaction, improve the stability of electrolyzing clorox generation systems brine concentration.
Power supply assembly adopts the electric supply installation being less than two groups; and whole electric supply installations is all electrically connected with electrolytic reaction assembly; this structure design can an electric supply installation break down or scheduled outage time; other electric supply installation still can provide electric energy for electrolyzing clorox generation systems, which thereby enhances the stability of work of the present invention.
Particularly, the present invention also comprises for carrying out the flow stabilizer of voltage stabilizing and the measuring apparatus for measuring soft water to soft water, and flow stabilizer and measuring apparatus are arranged at the water outlet end of water supply device by brine stream siphunculus.Be provided with the stability that flow stabilizer and measuring apparatus can improve brine concentration further.
In a specific embodiment of the present invention, electrolytic reaction assembly is heat exchanger electrode, the arranged outside of heat exchanger electrode has the electrode for carrying out electrolytic action, the inside of heat exchanger electrode is provided with heat exchange medium, and heat exchanger electrode carries out heat exchange by heat exchange medium circulating tube to brine stream siphunculus and/or dissolving salt cellar.The brine temp being system by the heat generated during system self electrolysis heats, and can put forward high-octane utilization ratio, and brine temp rising can also accelerate the speed of electrolytic reaction.
Based on above-described embodiment, in a specific embodiment of the present invention, the soft water that heat-eliminating medium can directly adopt water softener to supply, its temperature is lower, so, carrying out exchange type with heat exchanger electrode, there is following benefit: 1, heat exchanger electrode is lowered the temperature, avoiding its temperature too high and be damaged; 2, soft water is heated up, when soft water participates in salt solution dilution operation, the temperature of salt solution can be improved, accelerate follow-up electrolysis operation.
Be operating as example with specific embodiment of the invention below, the present invention will be described in more detail.
For solving the problem, present invention employs heat exchanger electrode, be assembled in electrolyte bath, namely use as heat exchanger, also be battery lead plate simultaneously, substantially increase heat exchanger effectiveness, effectively regulate temperature and the electrolyte bath temperature of brine electrolysis, while improve electrolytic efficiency, ensure that the safe handling of electrolyzer; Present invention employs the circulating technology dissolving salt solution, make to dissolve salt solution and reach capacity rapidly, keep the salt concn of brine electrolysis to stablize, ensure that the stable of electrolysis clorox concentration out; The serial or parallel connection that present invention employs multiple stage direct supply uses, the total rated output of power supply is 1.2 to 1 of actual use power, 5 times, when wherein one break down time, remaining multiple stage power supply can normally work, ensure that equipment normally runs continuously, and it is convenient especially to change trouble power, as long as time of several minutes and replaceable.
Below for accompanying drawing, describe its embodiment in detail;
Fig. 1 is the ultimate principle flow circuit diagram of electrolyzing hypochlorite generator of the present invention.
Electrolyzing hypochlorite generator of the present invention is by the electrolysis power (10) providing direct supply to electrolysis portion, first step electrolysis portion (21), the electrolysis portion, the second stage (22) of heat exchanger (20) is equipped with in inside, water softening device (30), the dissolving salt cellar (50) of saturated brine is provided to electrolysis portion, chlorine bleach liquor's hold-up vessel (60), water coolant pond for recovering (tank) (70), soft water flux stabilizer (44), soft water flux meter (45), saturated brine pump of constant delivery type (56), saturated brine recycle pump (58) realizes circulating of saturated aqueous common salt, measure the thermometer (80) of soft water temperature and the magnetic valve (40 of automatic switchover stream, 41, 42, 43, 48) form.
Usually, the water that native system uses is clear water (tap water), when clear water hardness exceedes the hardness needed for system, is necessary to utilize the hardness in water softening device reduction water.All to adopt the situation of water softening device to do to illustrate inside this specification sheets.
Soft water is regulated by the flow stabilizer (44) on soft water pipeline and soft water flux meter (45) and enters mixed diluting pipe (23) after regime flow; Saturated brine be by meter brine pump (56) be adjusted to a certain amount of after enter mixed diluting pipe (23).Inside mixed diluting pipe, soft water and saturated brine are diluted into salt concentration is enter first step electrolyzer (21) electrolysis after 3% brine electrolysis, then enter after second stage electrolyzer is electrolyzed to produce sodium hypochlorite solution with high concentration further, flow through pipeline (25) and flow into chlorine bleach liquor's hold-up vessel (60) use to be sterilized.Upper meter electrolysis direct current electric current is provided by electrolysis power (10).The temperature of native system controls, and the making method of saturated brine and the principle of work of electrolysis power will decompose explanation below.
Fig. 2 is the principle of heat exchange system and the piping plan of function that electrolyzing hypochlorite generator of the present invention is described.
The temperature of soft water is the temperature utilizing the temperature sensor on soft water pipeline (80) to measure soft water at any time.When soft water temperature is lower than certain temperature (as setting low temperature 10 degree), the magnetic valve (40,42) on soft water pipeline cuts out, and magnetic valve (41,48) is opened and connected water route.Now soft water is through soft water pipeline (31, 32) heat entering heat exchanger (20) Electolyte-absorptive inside electrolyzer improves after temperature through soft water pipeline (33 to 38), enter mix the salt solution (brine electrolysis) into about 3% with saturated brine in salt solution dilution pipeline (23) after first step electrolyzer (21) and second stage electrolyzer (22) be electrolyzed to produce chlorine bleach liquor after through chlorine bleach liquor's pipeline (24, 25) chlorine bleach liquor's hold-up vessel (60) is flowed into, result is the temperature that improve the brine electrolysis entering first step electrolyzer, reduce the temperature of electrolytic solution inside the electrolyzer of the second stage simultaneously,
When soft water temperature is higher than certain temperature (as setting high temperature 30 degree), magnetic valve (41) cuts out, and magnetic valve (40,42,48) is opened and connected water route.Now, soft water is that a road is through soft water pipeline (31,32) enter in the heat exchanger of second stage electrolyzer, absorb the heat of electrolytic solution, reduce the temperature of second stage electrolyzer to safety temperature, and after flow in water coolant pond for recovering (tank) (70) through hose road (33,39);
Another road flows through soft water pipeline (31,35 to 38), enter mix the salt solution (brine electrolysis) into about 3% with saturated brine in salt solution dilution pipeline (23) after first step electrolyzer (21) and second stage electrolyzer (22) be electrolyzed to produce chlorine bleach liquor after through chlorine bleach liquor's pipeline (24,25) inflow chlorine bleach liquor's hold-up vessel (60);
When soft water temperature is that normal temperature range (as is greater than 10 degree, be less than 30 degree) time, magnetic valve (40,41,48) close, magnetic valve (42) is opened and is connected water route, soft water flows through soft water pipeline (31,35 to 38), enter mix the salt solution (brine electrolysis) into about 3% with saturated brine in salt solution dilution pipeline (23) after first step electrolyzer (21) and second stage electrolyzer (22) be electrolyzed to produce chlorine bleach liquor after through chlorine bleach liquor's pipeline (24,25) inflow chlorine bleach liquor's hold-up vessel (60).
Heat exchanger electrode of the present invention is that the battery lead plate participating in electrolysis directly by two-sided or one side is formed, two battery lead plates (or one side is battery lead plate, another side is metal sheet) in the middle of form water coolant (or healed water) stream, directly be installed on inside electrolysis portion, the media (hot water and cold water body) of two heat exchanges contact across metal sheet (battery lead plate) to carry out heat exchange, do not need Insulation, heat exchanger effectiveness is very high.
The quantity of the heat exchanger electrode of native system, installs one or more according to thermal load, is also applicable to single-stage electrolyzer and multistage electrolyzer.
Known accordingly, native system can the temperature of regulation and control electrolysis portion water inlet, but also can temperature inside cool electrolysis cells, enables electrolyzing hypochlorite generator system maintain high-level efficiency, safely and steadily runs.
The flow of native system electrolytic solution is the regime flow being kept soft water by the flow stabilizer (44) on soft water pipeline and soft water flux meter (45); Saturated brine controls regime flow by the meter brine pump of precision, and to ensure that the salt concentration of brine electrolysis (weak brine) remains on the concentration of 3%, the clorox concentration that electrolysis is produced keeps stable.
Fig. 3 is the principle of saturated brine part and the piping plan of function that electrolyzing hypochlorite generator of the present invention is described.
The dissolving salt solution dissolving salt cellar (50) controls by dissolving the water level gauge (59) that salt cellar is installed.When water level is reduced to certain altitude, magnetic valve (43) is opened and is connected water route, and soft water enters into and dissolves salt cellar (50), and when water level reach a certain height, magnetic valve (43) cuts out automatically, cuts off water route.For preventing the density loss of the saturated brine just filled when dissolving salt solution, make its salt solution that reaches capacity rapidly, native system adopts the recycle pump of saturated brine, make the quick continuous print circulation of salt solution, reach capacity salt solution rapidly to ensure that the salt concentration of brine electrolysis keeps certain, and then the concentration stabilize of the chlorine bleach liquor that electrolysis is gone out.The flow of the recycle pump of this saturated brine generally can be set to the flow of more than 3 to 10 times of system brine flow, can reach the object saturated rapidly of salt solution.
Fig. 4, Fig. 5 are the composition of electrolysis power and the loop diagram of principle of work of electrolyzing hypochlorite generator of the present invention.
The series connection that native system have employed multiple stage direct supply uses (in accompanying drawing 4 1) and use (in accompanying drawing 4 2) in parallel.Total power of power supply is 1.2 to 1.5 times of actual use power.This power-supply system is by multiple stage direct supply (1), read the splitter (2) of current value, reometer (3), constant current setting apparatus (5) composition of constant current controller (4 or 6) and set with constant current value.
The multiple stage supply unit adopted, when in use wherein one or several (not being whole) are broken down, remaining multiple stage power supply all can normally work.Usually, multiple stage power supply is in the middle of use, and the power supply of more than is suitable little with the probability that the time breaks down.So when there being one to break down in power supply module, remaining multiple stage power supply can meet the power needed for electrolysis, and maintenance system is normally run.In addition, because adopting multiple stage power source combination mode, the price comparison of its single power supply is cheap, and the economical load of possessing standby power supply is little, and power supply is changed convenient, ensure that system is normally run for a long time.
Fig. 6 is the heat exchanger battery lead plate schematic diagram of electrolyzing hypochlorite generator of the present invention.
Heat exchanger battery lead plate (20) is mounted in inside electrolyzer, and casing biside plate makes of battery lead plate, and can be made into one side when being arranged on outside electrolyzer is battery lead plate, and another side is metal sheet.Electrolytic solution (2) enters from the bottom of electrolyzer, flows out from top; Cooling fluid (1) enters from the top of heat exchanger battery lead plate, flows out from bottom.Because two of heat exchange media kinds of liquid carry out heat exchange by the both sides metal covering of heat exchanger battery lead plate, so do not need to take Insulation, heat exchanger effectiveness is also very high.
Heat exchanger battery lead plate can be made into casing, and the thickness of casing can make 10 millimeters to 30 millimeters, and length and height to make the same size of the battery lead plate being formed in side.The stream of heat exchanger battery lead plate box house can add dividing plate as required and can be divided into multichannel stream to improve heat exchanger effectiveness in casing.
Claims (2)
1. an electrolyzing clorox generation systems, is characterized in that, comprising:
Salt solution provisioning component, described salt solution provisioning component comprising salt water circulating pump, dissolving salt cellar and for providing the water supply device of soft water, and described salt water circulating pump, described dissolving salt cellar and described water supply device are communicated with by brine stream siphunculus;
Electrolytic reaction assembly, described electrolytic reaction assembly comprises reaction tank, reaction electrode and clorox container for storing liquid, described reaction electrode is arranged in described reaction tank, described reaction tank is communicated with described clorox container for storing liquid, and described salt water circulating pump is communicated with described reaction tank by described brine stream siphunculus;
Power supply assembly, described power supply assembly comprises the electric supply installation being less than two groups, and whole described electric supply installations is all electrically connected with described electrolytic reaction assembly;
Described electrolytic reaction assembly is heat exchanger electrode, the arranged outside of described heat exchanger electrode has the electrode for carrying out electrolytic action, the inside of described heat exchanger electrode is provided with heat exchange medium, and described heat exchanger electrode carries out heat exchange by heat exchange medium circulating tube to described brine stream siphunculus and/or dissolving salt cellar.
2. electrolyzing clorox generation systems according to claim 1, it is characterized in that, also comprise for carrying out the flow stabilizer of voltage stabilizing and the measuring apparatus for measuring soft water to soft water, described flow stabilizer and described measuring apparatus are arranged at the water outlet end of described water supply device by described brine stream siphunculus.
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| CN106082396A (en) * | 2016-08-09 | 2016-11-09 | 南京福碧源环境技术有限公司 | A kind of softening control valve with chlorine residue function |
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| CN102888623A (en) | 2013-01-23 |
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Address after: 321300 the first building of No. 88-19 Yu Gui Road, Chengxi New District, Yongkang, Jinhua, Zhejiang. Patentee after: Zhejiang Xin Yan Kun science and Technology Co., Ltd. Address before: 321300 the first building of No. 88-19 Yu Gui Road, Chengxi New District, Yongkang, Zhejiang. Patentee before: Yongkang Yankun Industry and Trade Co., Ltd. |
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