CN108483598B - Device for preparing sodium ferrate on site and control method thereof - Google Patents
Device for preparing sodium ferrate on site and control method thereof Download PDFInfo
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- CN108483598B CN108483598B CN201810308316.5A CN201810308316A CN108483598B CN 108483598 B CN108483598 B CN 108483598B CN 201810308316 A CN201810308316 A CN 201810308316A CN 108483598 B CN108483598 B CN 108483598B
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title claims abstract description 91
- 239000011734 sodium Substances 0.000 title claims abstract description 91
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 66
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 126
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 24
- 230000005611 electricity Effects 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims description 4
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 3
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 3
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 3
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 6
- 238000003860 storage Methods 0.000 abstract description 4
- 150000003839 salts Chemical class 0.000 description 8
- 239000010865 sewage Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000645 desinfectant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0081—Mixed oxides or hydroxides containing iron in unusual valence state [IV, V, VI]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to the technical field of environment-friendly equipment, in particular to equipment for preparing sodium ferrate on site and a control method thereof, wherein the equipment comprises a central controller, a synthesizer, a first container, a second container, a third container and a sodium ferrate detector, wherein the synthesizer comprises an ultrasonic oscillator, a reaction container arranged on the ultrasonic oscillator and a stirring device arranged on the reaction container; the sodium ferrate detector comprises a processor, an ultraviolet laser electrically connected with the processor, and a first pipeline, a second pipeline and a third pipeline which are respectively communicated with the ultraviolet laser, wherein the first pipeline and the second pipeline are both communicated with the reaction container; the first container, the second container and the third container are respectively communicated with the reaction container through fourth pipelines. The field preparation of the sodium ferrate is realized, the problem of difficult storage and transportation caused by poor stability of the sodium ferrate is solved, the concentration of the produced sodium ferrate is ensured, the sodium ferrate is greatly convenient to add and use, and the yield and the concentration of the obtained sodium ferrate are high.
Description
Technical Field
The invention relates to the technical field of environment-friendly equipment, in particular to equipment for preparing sodium ferrate on site and a control method thereof.
Background
The sodium ferrate is a green disinfectant accepted by scientists, the iron element in the sodium ferrate is hexavalent, has strong oxidizability, and can release a large amount of atomic oxygen when dissolved in water, thereby effectively killing germs and viruses in the water. Meanwhile, the flocculant is reduced into nascent ferroferric hydroxide, which is an inorganic flocculant with excellent quality and can efficiently remove fine suspended matters in water. Experiments prove that the disinfection and decontamination effects of the sodium ferrate are comprehensively superior to those of chlorine-containing disinfectants and potassium permanganate due to the combined action of strong oxidation and flocculation. More importantly, the water disinfection and purification device does not generate any substance harmful to human bodies in the whole process of disinfecting and purifying water. However, the storage and transportation of sodium ferrate are greatly limited due to its extremely low stability.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a device for preparing sodium ferrate on site and a control method thereof, which effectively solve the problem that the sodium ferrate is difficult to store and transport, and the prepared sodium ferrate has high yield and concentration and low preparation cost.
In order to solve the technical problems, the invention adopts the following technical scheme: the device for preparing the sodium ferrate on site comprises a central controller, a synthesizer, a first container for containing sodium hydroxide, a second container for containing sodium hypochlorite, a third container for containing ferric sulfate and a sodium ferrate detector electrically connected with the central controller, wherein the synthesizer comprises an ultrasonic oscillator electrically connected with the central controller, a reaction container arranged on the ultrasonic oscillator and a stirring device arranged on the reaction container and electrically connected with the central controller; the sodium ferrate detector comprises a processor electrically connected with the central controller, an ultraviolet laser electrically connected with the processor, and a first pipeline, a second pipeline and a third pipeline which are respectively communicated with the ultraviolet laser, wherein the first pipeline and the second pipeline are both communicated with the reaction container; the first container is communicated with the reaction container through a fourth pipeline, the second container is communicated with the reaction container through a fifth pipeline, and the third container is communicated with the reaction container through a sixth pipeline.
Preferably, the fourth pipeline is equipped with first filter in proper order and the first measuring pump of being connected with the central controller electricity, the fifth pipeline is equipped with the second filter in proper order and the second measuring pump of being connected with the central controller electricity, the sixth pipeline is equipped with the third filter in proper order and the third metering pump of being connected with the central controller electricity.
Preferably, the ultrasonic vibration generator further comprises a safety water tank communicated with the ultrasonic oscillator through a seventh pipeline, and the seventh pipeline is provided with an electromagnetic valve electrically connected with the central controller; the ultrasonic oscillator is provided with a first liquid level detector electrically connected with the central controller.
Preferably, still include the ejector and locate reaction vessel and the atmospheric pressure detector of being connected with the central controller electricity, the both ends of ejector communicate with eighth pipeline and ninth pipeline respectively, power water and eighth pipeline intercommunication, the ninth pipeline is equipped with the derailleur of being connected with the central controller electricity, the ejector is equipped with the tenth pipeline with the reaction vessel intercommunication.
Preferably, the first container is provided with a first alarm and a second liquid level detector which are electrically connected with the central controller, the second container is provided with a second alarm and a third liquid level detector which are electrically connected with the central controller, and the third container is provided with a third alarm and a fourth liquid level detector which are electrically connected with the central controller.
A method of controlling a device for producing sodium ferrate on-site, the central controller configured to receive information, transmit information, and process information; the synthesizer is configured for producing sodium ferrate; the sodium ferrate detector is configured to detect a concentration of sodium ferrate;
the control method comprises the following steps:
A. the central controller respectively controls the first container to be conveyed to the reaction container through a fourth pipeline, the second container to be conveyed to the reaction container through a fifth pipeline, and the solution in the third container to be conveyed to the reaction container through a sixth pipeline;
B. the central controller controls the ultrasonic oscillator to start;
C. the central controller controls the stirring device to stir the solution in the reaction container, so that the solution in the reaction container reacts to generate a sodium ferrate solution;
D. the central controller controls the sodium ferrate solution generated by the reaction to be input to the sodium ferrate detector through a first pipeline;
E. the sodium ferrate solution has the maximum absorption wavelength at 505-510nm, the processor controls the ultraviolet laser to emit ultraviolet light beams, the concentration of the sodium ferrate solution is judged according to the absorption wavelength of the ultraviolet light beams, the collected concentration data are transmitted to the processor, and the processor compares the collected concentration data with the set sodium ferrate concentration data;
F. when the concentration data collected in the step E is compared with the set sodium ferrate concentration data and then accords with the discharge standard, the processor transmits the detection result to the central controller, and the central controller controls the sodium ferrate solution to be discharged through a third pipeline; and E, when the concentration data collected in the step E is not in accordance with the discharge standard after being compared with the set sodium ferrate concentration data, the processor transmits the detection result to the central controller, the central controller controls the sodium ferrate solution to return to the reaction vessel through a second pipeline, and the steps A to E are repeated.
Preferably, the fourth pipeline is sequentially provided with a first filter and a first metering pump electrically connected with the central controller, the fifth pipeline is sequentially provided with a second filter and a second metering pump electrically connected with the central controller, and the sixth pipeline is sequentially provided with a third filter and a third metering pump electrically connected with the central controller; the first filter is configured to filter impurities of the solution in the fourth pipe, and the first metering pump is configured to control the input amount of the solution in the fourth pipe; the second filter is configured to filter impurities of the solution in the fifth pipe, and the second metering pump is configured to control the input amount of the solution in the fifth pipe; the third filter is configured to filter impurities of the solution in the sixth pipe, and the third metering pump is configured to control an input amount of the solution in the sixth pipe.
Preferably, the ultrasonic vibration generator further comprises a safety water tank communicated with the ultrasonic oscillator through a seventh pipeline, and the seventh pipeline is provided with an electromagnetic valve electrically connected with the central controller; the ultrasonic oscillator is provided with a first liquid level detector electrically connected with the central controller; the first liquid level detector is configured to detect a liquid level height in the ultrasonic oscillator, when the first liquid level detector detects that the liquid level height of liquid in the ultrasonic oscillator is lower than a set liquid level height, the first liquid level detector transmits a liquid level detection result to the central controller, the central controller controls the electromagnetic valve to be opened, the safety water tank supplements the liquid to the ultrasonic oscillator through a seventh pipeline, when the first liquid level detector detects that the liquid level in the ultrasonic oscillator reaches the set liquid level height, the first liquid level detector transmits the liquid level detection result to the central controller, and the central controller controls the electromagnetic valve to be closed.
Preferably, the device also comprises an ejector and an air pressure detector which is arranged in the reaction container and electrically connected with the central controller, wherein two ends of the ejector are respectively communicated with an eighth pipeline and a ninth pipeline, the power water is communicated with the eighth pipeline, the ninth pipeline is provided with a speed changer which is electrically connected with the central controller, and the ejector is provided with a tenth pipeline communicated with the reaction container; the speed changer is configured to control the flow rate of the power water, the air pressure detector is configured to detect the air pressure of the reaction container, when the air pressure detector detects that the air pressure of the reaction container exceeds a set standard, the air pressure detector transmits a detection result to the central controller, the central controller controls the speed changer to work, the power water flows into the ejector from the eighth pipeline, at the moment, the chlorine gas enters the ejector through the tenth pipeline, the power water and the chlorine gas are subjected to chemical reaction to generate hypochlorous acid, and the hypochlorous acid is discharged through the ninth pipeline.
Preferably, the first container is provided with a first alarm and a second liquid level detector which are electrically connected with the central controller, the second container is provided with a second alarm and a third liquid level detector which are electrically connected with the central controller, and the third container is provided with a third alarm and a fourth liquid level detector which are electrically connected with the central controller; the second liquid level detector is configured to detect the liquid level height of the first container, when the second liquid level detector detects that the liquid level height of the first container is lower than a set liquid level height, the second liquid level detector transmits a liquid level detection result to the central controller, and the central controller controls the first alarm to make a sound to remind that the raw materials of the first container are about to be used up; the third liquid level detector is configured to detect the liquid level height of the second container, and when the third liquid level detector detects that the liquid level height of the second container is lower than the set liquid level height, the third liquid level detector transmits a liquid level detection result to the central controller, and the central controller controls the second alarm to make a sound to remind that the raw material of the second container is about to be used up; the fourth liquid level detector is configured to detect a liquid level height of the third container, and when the fourth liquid level detector detects that the liquid level height of the third container is lower than a set liquid level height, the fourth liquid level detector transmits a liquid level detection result to the central controller, and the central controller controls the third alarm to make a sound to remind that raw materials of the third container are ready to be used up.
The invention has the beneficial effects that: the invention provides a device for preparing sodium ferrate on site, which realizes the preparation of the sodium ferrate on site, solves the problem of difficult storage and transportation caused by poor stability of the sodium ferrate, ensures the concentration of the produced sodium ferrate, greatly facilitates the addition and use, has high yield and concentration of the obtained sodium ferrate, low preparation cost, no need of heating, simple addition, self-circulation of a system, high utilization rate of raw materials and no pollution to the environment, ensures that the generated sodium ferrate solution is directly added into sewage without generating harmful substances, continuously converts hexavalent ferric salt in the sodium ferrate into trivalent ferric salt in the reaction process, and has the discharge of the trivalent ferric salt, has obvious flocculation effect of the trivalent ferric salt, and can be rapidly combined with suspended matters to sink so that the sewage can be clear by naked eyes.
Drawings
FIG. 1 is a schematic diagram of the structure of a device for on-site production of sodium ferrate according to the present invention.
FIG. 2 is a schematic diagram of a sodium ferrate detector of a device for on-site production of sodium ferrate according to the present invention.
FIG. 3 is a schematic block diagram of the structure of a device for on-site production of sodium ferrate according to the present invention.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
As shown in fig. 1 to 3, an apparatus for preparing sodium ferrate on site includes a central controller 1, a synthesizer 2, a first container 3 for accommodating sodium hydroxide, a second container 4 for accommodating sodium hypochlorite, a third container 5 for accommodating ferric sulfate, and a sodium ferrate detector 6 electrically connected to the central controller 1, where the synthesizer 2 includes an ultrasonic oscillator 21 electrically connected to the central controller 1, a reaction container 22 disposed in the ultrasonic oscillator 21, and a stirring device 23 disposed in the reaction container 22 and electrically connected to the central controller 1; the sodium ferrate detector 6 comprises a processor 61 electrically connected with the central controller 1, an ultraviolet laser 62 electrically connected with the processor 61, and a first pipeline 63, a second pipeline 64 and a third pipeline 65 which are respectively communicated with the ultraviolet laser 62, wherein the first pipeline 63 and the second pipeline 64 are communicated with the reaction vessel 22; the first container 3 is communicated with the reaction container 22 through a fourth pipeline 31, the second container 4 is communicated with the reaction container 22 through a fifth pipeline 41, and the third container 5 is communicated with the reaction container 22 through a sixth pipeline 51; the central controller 1 is configured to receive information, transmit information and process information; the synthesizer 2 is configured for the production of sodium ferrate; the sodium ferrate detector 6 is configured to detect the concentration of sodium ferrate.
In operation, the central controller 1 controls the first container 3 to be delivered to the reaction container 22 through the fourth pipeline 31, the second container 4 to be delivered to the reaction container 22 through the fifth pipeline 41, and the solution in the third container 5 to be delivered to the reaction container 22 through the sixth pipeline 51, then the central controller 1 controls the ultrasonic oscillator 21 to be started, controls the stirring device 23 to stir the solution in the reaction container 22, so that the solution in the reaction container 22 reacts to generate a sodium ferrate solution, controls the central controller 1 to input the generated sodium ferrate solution into the high sodium ferrate detector 6 through the first pipeline 63, the sodium ferrate solution has a maximum absorption wavelength at 505 and 510nm, controls the ultraviolet laser 62 to emit ultraviolet light beams by the processor 61, determines the concentration of the sodium ferrate solution according to the absorption wavelength of the ultraviolet light beams, and transmits the collected concentration data to the processor 61, the processor 61 compares the collected concentration data with the set sodium ferrate concentration data, if the collected concentration data is in accordance with the discharge standard after being compared with the set sodium ferrate concentration data, the processor 61 transmits the detection result to the central controller 1, and the central controller 1 controls to discharge the sodium ferrate solution through the second pipeline 64; if the collected concentration data does not meet the discharge standard after being compared with the set sodium ferrate concentration data, the processor 61 transmits the detection result to the central controller 1, the central controller 1 controls to return the sodium ferrate solution to the reaction vessel 22 through the second pipeline 64, and the above steps are repeated to prepare the sodium ferrate.
The invention realizes the on-site preparation of the sodium ferrate, solves the problem of difficult storage and transportation caused by poor stability of the sodium ferrate, ensures the concentration of the produced sodium ferrate, is greatly convenient to add and use, has high yield and concentration of the obtained sodium ferrate, low preparation cost, no need of heating, simple feeding, self-circulation of a system, high utilization rate of raw materials and no pollution to the environment, generates no harmful substances when the generated sodium ferrate solution is directly added into sewage, continuously converts hexavalent ferric salt in the sodium ferrate into trivalent ferric salt in the reaction process, discharges the trivalent ferric salt, has obvious flocculation effect of the trivalent ferric salt, can be quickly combined with suspended matters to sink, and ensures that the sewage can be clear by naked eyes.
In this embodiment, the fourth pipeline 31 is sequentially provided with a first filter 32 and a first metering pump 33 electrically connected to the central controller 1, the fifth pipeline 41 is sequentially provided with a second filter 42 and a second metering pump 43 electrically connected to the central controller 1, and the sixth pipeline 51 is sequentially provided with a third filter 52 and a third metering pump 53 electrically connected to the central controller 1; the first filter 32 is configured to filter impurities of the solution in the fourth pipe 31, and the first metering pump 33 is configured to control the input amount of the solution in the fourth pipe 31; the second filter 42 is configured to filter impurities of the solution in the fifth pipe 41, and the second metering pump 43 is configured to control an input amount of the solution in the fifth pipe 41; the third filter 52 is configured to filter impurities of the solution in the sixth pipe 51, and the third metering pump 53 is configured to control an input amount of the solution in the sixth pipe 51. The first filter 32, the second filter 42 and the third filter 52 filter impurities in the solution, so that the purity of the solution is improved, and the concentration of the sodium ferrate solution generated by the reaction is higher; the input amounts of the solutions in the first container 3, the second container 4, and the third container 5 are controlled by the first metering pump 33, the second metering pump 43, and the third metering pump 53, respectively, thereby achieving high-precision addition.
In this embodiment, the ultrasonic generator further comprises a safety water tank 7 communicated with the ultrasonic oscillator 21 through a seventh pipeline 71, wherein the seventh pipeline 71 is provided with an electromagnetic valve 72 electrically connected with the central controller 1; the ultrasonic oscillator 21 is provided with a first liquid level detector 73 electrically connected to the central controller 1. The first liquid level detector 73 is configured to detect a liquid level height in the ultrasonic oscillator 21, when the first liquid level detector 73 detects that the liquid level height of the liquid in the ultrasonic oscillator 21 is lower than a set liquid level height, the first liquid level detector 73 transmits a liquid level detection result to the central controller 1, the central controller 1 controls the electromagnetic valve 72 to be opened, the safety water tank 7 supplements the liquid to the ultrasonic oscillator 21 through the seventh pipeline 71, when the first liquid level detector 73 detects that the liquid level in the ultrasonic oscillator 21 reaches the set liquid level height, the first liquid level detector 73 transmits the liquid level detection result to the central controller 1, and the central controller 1 controls the electromagnetic valve 72 to be closed. The supersound of ultrasonic oscillator 21 is favorable to improving the reaction rate of solution in reaction vessel 22, uses through the cooperation of central controller 1, first liquid level detector 73, safe water tank 7 and solenoid valve 72 and has realized monitoring and automatic water supply to solution in ultrasonic oscillator 21 to ensure the stable use of ultrasonic oscillator 21, and then ensured the solution reaction rate in reaction vessel 22.
In this embodiment, the device further includes an ejector 8 and an air pressure detector 81 disposed in the reaction container 22 and electrically connected to the central controller 1, two ends of the ejector 8 are respectively communicated with an eighth pipeline 82 and a ninth pipeline 83, the power water 84 is communicated with the eighth pipeline 82, the ninth pipeline 83 is provided with a transmission 85 electrically connected to the central controller 1, and the ejector 8 is provided with a tenth pipeline 86 communicated to the reaction container 22. The transmission 85 is configured to control the flow rate of the kinetic water 84, the air pressure detector 81 is configured to detect the air pressure of the reaction vessel 22, when the air pressure detector 81 detects that the air pressure of the reaction vessel 22 exceeds a set standard, the air pressure detector 81 transmits the detection result to the central controller 1, the central controller 1 controls the transmission 85 to operate, the kinetic water 84 flows into the ejector 8 from the eighth pipe 82, the inflow of the kinetic water 84 takes away the atmosphere of the ejector 8, the chlorine gas of the tenth pipe 86 flows into the ejector 8 due to the influence of the pressure difference, and the kinetic water 84 reacts with the chlorine gas to generate hypochlorous acid and is discharged through the ninth pipe 83; the chlorine gas is reacted with the power water 84 by utilizing the principle of pressure difference and then discharged, so that the environment is ensured not to be polluted, and the aim of environmental protection is fulfilled.
In this embodiment, the first container 3 is provided with a first alarm 34 and a second liquid level detector 35 electrically connected to the central controller 1, the second container 4 is provided with a second alarm 44 and a third liquid level detector 45 electrically connected to the central controller 1, and the third container 5 is provided with a third alarm 54 and a fourth liquid level detector 55 electrically connected to the central controller 1; the second liquid level detector 35 is configured to detect the liquid level height of the first container 3, when the second liquid level detector 35 detects that the liquid level height of the first container 3 is lower than a set liquid level height, the second liquid level detector 35 transmits the liquid level detection result to the central controller 1, and the central controller 1 controls the first alarm 34 to make a sound to remind that the raw materials of the first container 3 are ready to be used up, so that the practicability is high; the third liquid level detector 45 is configured to detect the liquid level height of the second container 4, when the third liquid level detector 45 detects that the liquid level height of the second container 4 is lower than the set liquid level height, the third liquid level detector 45 transmits the liquid level detection result to the central controller 1, and the central controller 1 controls the second alarm 44 to make a sound to remind that the raw materials of the second container 4 are ready to be used up, so that the practicability is high; the fourth liquid level detector 55 is configured to detect the liquid level height of the third container 5, when the fourth liquid level detector 55 detects that the liquid level height of the third container 5 is lower than the set liquid level height, the fourth liquid level detector 55 transmits the liquid level detection result to the central controller 1, and the central controller 1 controls the third alarm 54 to make a sound to remind that the raw materials of the third container 5 are ready to be used up, so that the practicability is high.
It should be noted that, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
The above-mentioned embodiments only express a plurality of embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A device for the on-site production of sodium ferrate, comprising a central controller (1), characterized in that: the device comprises a central controller (1), a synthesizer (2), a first container (3) for containing sodium hydroxide, a second container (4) for containing sodium hypochlorite, a third container (5) for containing ferric sulfate and a sodium ferrate detector (6) electrically connected with the central controller (1), wherein the synthesizer (2) comprises an ultrasonic oscillator (21) electrically connected with the central controller (1), a reaction container (22) arranged on the ultrasonic oscillator (21) and a stirring device (23) arranged on the reaction container (22) and electrically connected with the central controller (1); the sodium ferrate detector (6) comprises a processor (61) electrically connected with the central controller (1), an ultraviolet laser (62) electrically connected with the processor (61), and a first pipeline (63), a second pipeline (64) and a third pipeline (65) which are respectively communicated with the ultraviolet laser (62), wherein the first pipeline (63) and the second pipeline (64) are both communicated with the reaction container (22); the first container (3) is communicated with the reaction container (22) through a fourth pipeline (31), the second container (4) is communicated with the reaction container (22) through a fifth pipeline (41), and the third container (5) is communicated with the reaction container (22) through a sixth pipeline (51).
2. The device for the on-site production of sodium ferrate of claim 1, wherein: fourth pipeline (31) are equipped with first filter (32) in proper order and first measuring pump (33) of being connected with central controller (1) electricity, fifth pipeline (41) are equipped with second filter (42) in proper order and second measuring pump (43) of being connected with central controller (1) electricity, sixth pipeline (51) are equipped with third filter (52) in proper order and third measuring pump (53) of being connected with central controller (1) electricity.
3. The device for the on-site production of sodium ferrate of claim 1, wherein: the ultrasonic vibration device is characterized by further comprising a safety water tank (7) communicated with the ultrasonic oscillator (21) through a seventh pipeline (71), wherein the seventh pipeline (71) is provided with an electromagnetic valve (72) electrically connected with the central controller (1); the ultrasonic oscillator (21) is provided with a first liquid level detector (73) which is electrically connected with the central controller (1).
4. The device for the on-site production of sodium ferrate of claim 1, wherein: still include ejector (8) and locate reaction vessel (22) and atmospheric pressure detector (81) of being connected with central controller (1) electricity, the both ends of ejector (8) communicate with eighth pipeline (82) and ninth pipeline (83) respectively, power water (84) and eighth pipeline (82) intercommunication, ninth pipeline (83) are equipped with derailleur (85) of being connected with central controller (1) electricity, ejector (8) are equipped with tenth pipeline (86) with reaction vessel (22) intercommunication.
5. The device for the on-site production of sodium ferrate of claim 1, wherein: first container (3) are equipped with first alarm (34) and second liquid level detector (35) of being connected with central controller (1) electricity, second container (4) are equipped with second alarm (44) and third liquid level detector (45) of being connected with central controller (1) electricity, third container (5) are equipped with third alarm (54) and fourth liquid level detector (55) of being connected with central controller (1) electricity.
6. A method of controlling a device for the on-site production of sodium ferrate according to claim 1, comprising: the central controller (1) is configured to receive information, transmit information and process information; the synthesizer (2) is configured for the production of sodium ferrate; the sodium ferrate detector (6) is configured for detecting a concentration of sodium ferrate;
the control method comprises the following steps:
A. the central controller (1) respectively controls the first container (3) to be conveyed to the reaction container (22) through the fourth pipeline (31), the second container (4) to be conveyed to the reaction container (22) through the fifth pipeline (41), and the solution in the third container (5) to be conveyed to the reaction container (22) through the sixth pipeline (51);
B. the central controller (1) controls the ultrasonic oscillator (21) to start;
C. the central controller (1) controls the stirring device (23) to stir the solution in the reaction container (22) so that the solution in the reaction container (22) reacts to generate a sodium ferrate solution;
D. the central controller (1) controls the sodium ferrate solution generated by the reaction to be input to the sodium ferrate detector (6) through a first pipeline (63);
E. the sodium ferrate solution has the maximum absorption wavelength at 505-510nm, the processor (61) controls the ultraviolet laser (62) to emit ultraviolet light beams, the concentration of the sodium ferrate solution is judged according to the absorption wavelength of the ultraviolet light beams, the collected concentration data are transmitted to the processor (61), and the processor (61) compares the collected concentration data with the set sodium ferrate concentration data;
F. when the concentration data collected in the step E is compared with the set sodium ferrate concentration data and then accords with the discharge standard, the processor (61) transmits the detection result to the central controller (1), and the central controller (1) controls the sodium ferrate solution to be discharged through a third pipeline (65); when the concentration data collected in the step E is not in accordance with the discharge standard after being compared with the set sodium ferrate concentration data, the processor (61) transmits the detection result to the central controller (1), the central controller (1) controls to return the sodium ferrate solution to the reaction vessel (22) through the second pipeline (64), and the steps A to E are repeated.
7. The method of claim 6, wherein the controller is configured to: the fourth pipeline (31) is sequentially provided with a first filter (32) and a first metering pump (33) electrically connected with the central controller (1), the fifth pipeline (41) is sequentially provided with a second filter (42) and a second metering pump (43) electrically connected with the central controller (1), and the sixth pipeline (51) is sequentially provided with a third filter (52) and a third metering pump (53) electrically connected with the central controller (1); the first filter (32) is configured to filter impurities of the solution in the fourth pipe (31), the first metering pump (33) is configured to control the input amount of the solution in the fourth pipe (31); the second filter (42) is configured to filter impurities of the solution in the fifth pipe (41), the second metering pump (43) is configured to control the input amount of the solution in the fifth pipe (41); the third filter (52) is configured to filter impurities of the solution in the sixth pipe (51), and the third metering pump (53) is configured to control an input amount of the solution in the sixth pipe (51).
8. The method of claim 6, wherein the controller is configured to: the ultrasonic vibration device is characterized by further comprising a safety water tank (7) communicated with the ultrasonic oscillator (21) through a seventh pipeline (71), wherein the seventh pipeline (71) is provided with an electromagnetic valve (72) electrically connected with the central controller (1); the ultrasonic oscillator (21) is provided with a first liquid level detector (73) which is electrically connected with the central controller (1); the first liquid level detector (73) is configured to detect a liquid level height in the ultrasonic oscillator (21), when the first liquid level detector (73) detects that the liquid level height of the liquid in the ultrasonic oscillator (21) is lower than a set liquid level height, the first liquid level detector (73) transmits a liquid level detection result to the central controller (1), the central controller (1) controls the electromagnetic valve (72) to be opened, the safety water tank (7) supplements the liquid to the ultrasonic oscillator (21) through a seventh pipeline (71), when the first liquid level detector (73) detects that the liquid level in the ultrasonic oscillator (21) reaches the set liquid level height, the first liquid level detector (73) transmits the liquid level detection result to the central controller (1), and the central controller (1) controls the electromagnetic valve (72) to be closed.
9. The method of claim 6, wherein the controller is configured to: the device is characterized by further comprising an ejector (8) and an air pressure detector (81) which is arranged in the reaction container (22) and electrically connected with the central controller (1), wherein two ends of the ejector (8) are respectively communicated with an eighth pipeline (82) and a ninth pipeline (83), power water (84) is communicated with the eighth pipeline (82), the ninth pipeline (83) is provided with a transmission (85) which is electrically connected with the central controller (1), and the ejector (8) is provided with a tenth pipeline (86) which is communicated with the reaction container (22); the speed changer (85) is configured to control the flow rate of the power water (84), the air pressure detector (81) is configured to detect the air pressure of the reaction container (22), when the air pressure detector (81) detects that the air pressure of the reaction container (22) exceeds a set standard, the air pressure detector (81) transmits a detection result to the central controller (1), the central controller (1) controls the speed changer (85) to work, the power water (84) flows into the ejector (8) from the eighth pipeline (82), at the moment, chlorine gas enters the ejector (8) through the tenth pipeline (86), and the power water (84) reacts with the chlorine gas chemically to generate hypochlorous acid and is discharged through the ninth pipeline (83).
10. The method of claim 6, wherein the controller is configured to: the first container (3) is provided with a first alarm (34) and a second liquid level detector (35) which are electrically connected with the central controller (1), the second container (4) is provided with a second alarm (44) and a third liquid level detector (45) which are electrically connected with the central controller (1), and the third container (5) is provided with a third alarm (54) and a fourth liquid level detector (55) which are electrically connected with the central controller (1); the second liquid level detector (35) is configured to detect the liquid level height of the first container (3), when the second liquid level detector (35) detects that the liquid level height of the first container (3) is lower than a set liquid level height, the second liquid level detector (35) transmits the liquid level detection result to the central controller (1), and the central controller (1) controls the first alarm (34) to make a sound to remind that the raw materials of the first container (3) are about to be used up; the third liquid level detector (45) is configured to detect the liquid level height of the second container (4), when the third liquid level detector (45) detects that the liquid level height of the second container (4) is lower than the set liquid level height, the third liquid level detector (45) transmits the liquid level detection result to the central controller (1), and the central controller (1) controls the second alarm (44) to make a sound to remind that the raw materials of the second container (4) are about to be used up; the fourth liquid level detector (55) is configured to detect the liquid level height of the third container (5), when the fourth liquid level detector (55) detects that the liquid level height of the third container (5) is lower than the set liquid level height, the fourth liquid level detector (55) transmits the liquid level detection result to the central controller (1), and the central controller (1) controls the third alarm (54) to make a sound to remind that the raw materials of the third container (5) are about to be used up.
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| CN201810308316.5A CN108483598B (en) | 2018-04-08 | 2018-04-08 | Device for preparing sodium ferrate on site and control method thereof |
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| CN201810308316.5A CN108483598B (en) | 2018-04-08 | 2018-04-08 | Device for preparing sodium ferrate on site and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4500499A (en) * | 1983-06-01 | 1985-02-19 | Olin Corporation | Production of high purity stable ferrate salts |
| US20050042155A1 (en) * | 2003-08-21 | 2005-02-24 | Duane Powell | Apparatus for synthesizing an oxidant |
| CN101318707A (en) * | 2008-07-01 | 2008-12-10 | 上海大学 | Method for preparing steady composite potassium ferrate solution |
| CN103449528A (en) * | 2013-08-09 | 2013-12-18 | 华南理工大学 | Method for preparing ferrate through ultrasonic activation |
| CN105040023A (en) * | 2015-06-29 | 2015-11-11 | 浙江大学 | Preparation method of liquid potassium ferrate by utilizing ultrasonic electrolysis |
| CN106745304B (en) * | 2017-03-05 | 2018-09-18 | 东北石油大学 | A method of preparing ferrate solution online |
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