42results about "Hypochlorite" patented technology

The utility model relates to the field of stirring for preparing sodium hypochlorite, and discloses stirring equipment for preparing sodium hypochlorite, which comprises a stirring tank, a stirring cover is arranged at the top of the stirring tank, a stirring assembly is arranged in the stirring tank, a cleaning assembly is arranged in the stirring tank, and the stirring assembly comprises a first connecting frame. The outer side of the first connecting frame is fixedly connected to the outer side of the stirring tank, a first rotating shaft is rotatably connected to the interior of the first connecting frame, a second belt wheel is fixedly connected to the outer side of the first rotating shaft, a square rod is slidably connected to the interior of the first rotating shaft, and a stirring rod is fixedly connected to the outer side of the square rod. According to the material mixing device disclosed by the utility model, through mutual cooperation of structures such as the motor, the rotating shaft, the rotating shaft I, the square rod, the stirring rod and the roller, effective coverage in the horizontal circumferential direction and the vertical direction is realized, and the uniformity and sufficiency of material mixing are greatly improved; the rapid and uniform mixing of chlorine and a sodium hydroxide solution in the sodium hypochlorite preparation process is facilitated.

The present disclosure provides compositions, products, kits and methods for producing on demand hypochlorous acid solutions. The present disclosure provides a stable, dry mix product, kit or package that can be employed by an end-user to easily prepare a hypochlorous acid composition with desired features and functionality.

The invention belongs to the technical field of sodium hypochlorite production, and particularly relates to a method for producing sodium hypochlorite. A method for producing sodium hypochlorite comprises the following steps: adding a compound additive into a sodium hydroxide aqueous solution, and uniformly stirring to obtain a compound alkali-containing raw material solution; respectively introducing the composite alkali-containing raw material solution and chlorine into the micro-channel reactor through a metering pump, and controlling reaction conditions to generate a reaction solution containing sodium hypochlorite; introducing the reaction liquid into a ceramic membrane separation device, separating and removing unreacted solid impurities and by-product salts, and collecting permeate; unreacted sodium hydroxide is recycled and reused; and detecting the permeate liquid to be qualified to obtain a sodium hypochlorite finished product. According to the invention, four key links of compound additive addition, microchannel reaction, ceramic membrane separation and resin recovery are organically linked to form a systematic solution. Aiming at the core pain points of insufficient reaction, more byproducts, raw material waste, equipment corrosion and the like in the traditional process, the product purity is improved through the synergistic effect of all links.

A sodium hypochlorite on-line preparation and on-line dilution fusion feeding system comprises a sodium hypochlorite generator and a feeding lifting pump, at least two transfer storage tanks are connected between a liquid outlet pipe of the sodium hypochlorite generator and a liquid inlet of the feeding lifting pump in parallel through pipelines, at least one of the transfer storage tanks is a dual-purpose storage tank, and the other transfer storage tank is a dual-purpose storage tank. Valves are arranged on a liquid inlet pipe and a liquid outlet pipe of the dual-purpose storage tank; the dual-purpose storage tank is respectively communicated with a liquid outlet of the commercial sodium hypochlorite lifting pump and a liquid inlet of the online proportional dilution device through pipelines with valves; the liquid inlet of the on-line proportional dilution device is also communicated with a soft water inlet pipe; and a liquid outlet of the on-line proportional dilution device is communicated with a liquid outlet pipe of the sodium hypochlorite generator through a pipeline with a valve. According to the system, the preparation, dilution and adding processes of sodium hypochlorite are integrated together, so that the efficiency and the safety are improved, the equipment cost and the occupied area are reduced, and deterioration waste caused by inconvenience in use of high-concentration commodity sodium hypochlorite is avoided.

The invention discloses a novel preparation method of basic magnesium hypochlorite and application of the basic magnesium hypochlorite in magnesium-based flame-retardant antibacterial filler. The novel preparation method comprises the following steps: under the assistance of pulsed ultrasound, adding a buffer solution into a sodium hypochlorite solution to adjust the pH value to 9.0-10.5; then adding a magnesium chloride solution for reaction to prepare basic magnesium hypochlorite; intermittent pulses are adopted in the pulse ultrasound, the frequency is 20-40 kHz, and the power density is 100-500 W / L; the pulse ultrasonic technology is introduced, the reaction process can be optimized through the cavitation effect and the micro-mixing effect, the pH distribution of a reaction system is optimized through pulse ultrasound, local overhigh alkalinity is avoided, generation of magnesium hydroxide is inhibited, the particle size of a product can be effectively reduced, and the yield of the product is improved. High-purity basic magnesium hypochlorite (Mg (OH) 2 is less than 1wt%), high available chlorine (greater than or equal to 41%) and narrow particle size distribution (D50lt; and when the flame-retardant antibacterial filler is used as the flame-retardant antibacterial filler, the performance is more excellent.

The invention belongs to the technical field of material mixing, and discloses stirring equipment for sodium hypochlorite disinfectant fluid production, which comprises a mixing tank, an upper partition plate is fixedly mounted at the upper position in the mixing tank, a hollow air guide shaft is rotatably mounted at the center position of the upper partition plate, and the top end of the hollow air guide shaft is rotatably and hermetically connected with an air storage box; the bottom end of the hollow gas guide shaft extends to the position below the upper partition plate and is communicated with a column barrel type rotational flow gas inlet assembly, a gas inlet connector is installed at the top end of the mixing tank and communicated with a gas storage box, a circulating assembly used for making chlorine in the mixing tank circularly flow is arranged in the gas storage box, and a lower stirring assembly is installed at the bottom of the mixing tank. A four-way oblique shaft edge mixing assembly is mounted on the lower surface of the upper partition plate, a double-chain-wheel constant-speed transmission structure used for power connection is mounted between the four-way oblique shaft edge mixing assembly and the hollow air guide shaft, and a rotary driving assembly is mounted at the top end of the mixing tank; the sodium hypochlorite disinfectant fluid can be efficiently prepared.

The utility model relates to the technical field of caustic soda production process devices, in particular to a system for producing caustic soda, which comprises a crude salt preparation unit, a primary brine preparation unit, a secondary refined brine preparation unit, an electrolysis unit, an evaporation unit, a brine preparation unit, a chlorine hydrogen treatment unit and a hydrochloric acid synthesis unit, the caustic soda solutions with different mass concentrations are obtained on the same production line, the solid flaky caustic soda is obtained at the same time, and byproducts such as chlorine, hydrogen, hydrochloric acid, sodium hypochlorite and mirabilite with recycling value are obtained; according to the utility model, the salt dissolving water preparation unit is reasonably and orderly communicated with the other units, and materials such as waste water generated by each unit are recycled, so that the purposes of energy conservation and efficiency improvement are achieved.

To provide a method for manufacturing a new germicidal disinfectant from sodium hypochlorite degraded during storage.SOLUTION: A method for manufacturing a new germicidal disinfectant from a solution including hypochlorite ion, chloric ion, and chloride ion, includes: a first reaction process of adding sulfuric acid to the solution and generating chlorine gas; a process of reacting the chlorine gas generated in a recovery liquid A with sodium hydroxide or calcium hydroxide and recovering it as hypochlorite ion; a second reaction process of adding sulfuric acid having higher concentration than that in the first reaction process to a reaction mother liquid after the first reaction process and generating chlorine dioxide gas; a process of reacting the generated chlorine dioxide gas with sodium hydroxide and hydrogen peroxide in a recovery liquid B and recovering it as chlorous acid ion; and a process of blending the recovery liquid A with the recovery liquid B to obtain the new germicidal disinfectant.SELECTED DRAWING: None

The utility model belongs to the technical field of wastewater recovery and treatment, and particularly relates to a treatment system for chlorinated liquid refined washing wastewater. A trichloroethane washing wastewater pipeline is connected with a washing wastewater tank, the washing wastewater tank is connected with a first transmission pump, an outlet of the first transmission pump is divided into two pipelines, one pipeline is connected with an adsorption device, the other pipeline is connected with an inlet of the washing wastewater tank, an outlet of the adsorption device is divided into two pipelines, one pipeline is connected with an oil-water separation tank, and the other pipeline is connected with the inlet of the washing wastewater tank. An oil-phase pipeline and a water-phase pipeline are arranged at the bottom of the oil-water separation tank, the oil-phase pipeline is connected with a washing finished product tank, the water-phase pipeline is connected with a mixing tank, the mixing tank is connected with a sodium hydroxide solution pipeline, the mixing tank is connected with a cooler, the cooler is divided into two paths, one path is connected with the upper part of an absorption tower, and the other path is connected with a sodium hypochlorite finished product tank; the absorption tower bottom is connected with a mixing tank. Through the circulating design of the absorption tower and the mixing tank, the reaction is ensured to be fully carried out, and the yield and the concentration of sodium hypochlorite are improved.

The invention discloses a device and a method for separating chlorine from gas-phase white carbon black tail gas. The device comprises a fan, a plate type washing tower, an acid absorption tower, a membrane separation device and an alkali absorption tower group, the fan is used for sequentially conveying tail gas into the devices for circulation; the plate type washing tower is used for washing white carbon black in tail gas; the acid absorption tower is used for absorbing hydrogen chloride gas in the tail gas; chlorine and carbon dioxide mixed air in the tail gas can be separated through the membrane separation device; the alkali absorption tower group can respectively absorb chlorine to form a sodium hypochlorite solution and absorb the rest of mixed air to be discharged after reaching the standard, the device and the method for separating chlorine from the gas-phase white carbon black tail gas are provided, hydrogen chloride and chlorine in the tail gas generated in production of white carbon black from methyl trichlorosilane are separated, the tail gas is discharged after reaching the standard, and the production cost is reduced. The sewage generation amount is extremely small, and the sewage treatment cost is greatly reduced.

The present disclosure provides compositions, products, kits and methods for producing on demand hypochlorous acid solutions. The present disclosure provides a stable, dry mix product, kit or package that can be employed by an end-user to easily prepare a hypochlorous acid composition with desired features and functionality.

The invention relates to the technical field of resource recycling, in particular to a system for producing an active chlorine disinfectant by using calcium carbide method PVC byproduct hydrochloric acid. The device comprises a hydrochloric acid delivery pipe, a hydrochloric acid storage tank, a first filter, a second filter, a reaction kettle, a sodium chlorate solution storage tank, a dilution kettle, a soft water storage tank, a finished product tank and an absorption tower. Suspended matters and metal ions in the byproduct hydrochloric acid are removed through the multi-stage filtering unit, high-efficiency conversion from low-quality hydrochloric acid to an active chlorine disinfectant is realized by combining an oxidation reaction with precise temperature control and a quantitative dilution process, and the method has the advantages of effectively solving the problem of resource utilization of the byproduct hydrochloric acid of the PVC by the calcium carbide method, reducing the cost and the like. Environmental pollution caused by traditional neutralization treatment is avoided; meanwhile, a safe and economical active chlorine disinfectant production method is provided, dependence on high-purity chlorine is reduced, and the production cost and the safety risk are reduced.

The application belongs to the field of photoelectrochemistry, and relates to synthesis of disinfectant by seawater. The application provides a device for synthesizing disinfectant by seawater based on NbClO / BiVO4 photoanode and application thereof. The device directly synthesizes disinfectant from natural seawater without using chlorine as an intermediate. The device produces the same amount of ClO ‑ by a double electrode system. The power consumption and carbon dioxide emission of the NbClO / BiVO4 photoanode are reduced by 77.16% and 75.31% compared with a commercial anode with stable size. High value-added products Mg(OH)2, CaCO3 and hydrogen and softened seawater can be obtained on the cathode. The sustainable device uses 1 cm 2 The photoanode can convert 100 milliliters of seawater into 550 ppm of disinfectant in 22 hours. Compared with a traditional chlor-alkali process, the research provides an innovative and sustainable method for synthesizing disinfectant.

The application provides a kind of sodium hypochlorite automatic continuous production device and method, wherein a kind of sodium hypochlorite automatic continuous production device, including dilute alkali tank, the liquid input end of dilute alkali tank is respectively connected with switchable fresh lye raw material input line and semi-finished product lye raw material input line, the liquid output end of dilute alkali tank is communicated with the liquid storage section of tail gas absorption tower;The liquid output end of tail gas absorption tower is respectively communicated with the top packing layer of tail gas absorption tower, the top packing layer of chlorine absorption tower to form lye circulation line, the top of tail gas absorption tower is provided with tail gas discharge port;The lower packing layer of chlorine absorption tower is communicated with chlorine input line, the top gas outlet of chlorine absorption tower is communicated with the lower packing layer of tail gas absorption tower, the liquid output end of chlorine absorption tower is communicated with the top packing layer of chlorine absorption tower to form lye circulation line, the liquid output end of chlorine absorption tower is communicated with finished product sodium hypochlorite tank.

The utility model discloses a gas-liquid separation device for a sodium hypochlorite generator, which comprises a separation box, and the circumferential surface of the separation box is fixedly connected with a gas inlet pipe. By arranging the separation box, the gas inlet pipe, the rotating shaft, the rotating blades, the water absorption sponge, the liquid level meter, the gas outlet pipe, the one-way valve, the exhaust pipe and the exhaust valve, after sodium hypochlorite is prepared, hydrogen and gas in the generator enter from the gas inlet pipe, and due to the fact that the gas has the initial speed during injection, the gas can hit the rotating blades after being injected into the separation box, so that the rotating shaft rotates; meanwhile, the gas rises in the separation box under the action of the rotating blades and enters the exhaust pipe after being filtered by the water absorption sponge, the pressure in the exhaust pipe is smaller than that in the separation box, gas and liquid can be continuously separated, part of exhausted gas can enter the gas inlet pipe again, and therefore the initial speed of the gas entering the gas inlet pipe is increased; and the device can efficiently separate without an external driving device, so that the separation cost is reduced.

The invention discloses a modularized and digital hypochlorous acid disinfectant generator which comprises a generator shell, a liquid storage module, a water supply module, a gas supply module, a stock solution pump valve integration module, an inlet and outlet liquid measurement control module and a gas-liquid mixing control module, and the stock solution pump valve integration module, the inlet and outlet liquid measurement control module and the gas-liquid mixing control module are arranged in the generator shell. The gas-liquid mixing control module is provided with a water inlet, a gas inlet, a liquid inlet and a mixed liquid outlet, the water supply module is communicated with the water inlet of the gas-liquid mixing control module through the liquid inlet and outlet measurement control module, and the gas supply module is communicated with the gas inlet of the gas-liquid mixing control module through the liquid inlet and outlet measurement control module. The liquid storage module is communicated with a liquid inlet of the gas-liquid mixing control module through the raw liquid pump valve integration module, a mixed liquid outlet of the gas-liquid mixing control module is communicated with an external liquid storage barrel through the liquid inlet and outlet measurement control module, and the liquid storage device has the advantages of being simple in structure, convenient to install and overhaul, capable of achieving modular assembly and the like.

This invention relates to the field of sodium hypochlorite preparation technology, specifically to a sodium hypochlorite preparation apparatus and its production process. The sodium hypochlorite preparation apparatus and its production process include a base and a connecting pipe. A mixing chamber is fixedly connected to the top of the base, and a shell is fixedly connected to the top of the mixing chamber. A servo motor is fixedly connected to the inner peripheral wall of the shell. A fixed gear is fixedly connected to the end of the output shaft of the servo motor. Two I-shaped gear blocks are meshed with the outer peripheral wall of the fixed gear. A connecting shaft is fixedly connected to one side of each of the two I-shaped gear blocks. The beneficial effects of this invention are: after the servo motor starts running, the connecting rod can be linked to make the two mixing plates swing in opposite directions, and this movement pattern can be used to stir the liquid in the mixing chamber, thereby accelerating the liquid mixing efficiency and allowing for control of the liquid ratio.

The utility model discloses a calcium hypochlorite reaction device convenient to recycle tail gas, and particularly relates to the technical field of reaction devices.The calcium hypochlorite reaction device comprises a stirring box, a stirring mechanism and a gas inlet mechanism are arranged in the stirring box, the stirring mechanism is located above the gas inlet mechanism, and a recycling mechanism is arranged on one side of the stirring box; a transmission box is arranged at the top of the stirring box, a transmission assembly is arranged in the transmission box, and the air inlet mechanism comprises an air delivery pump arranged on one side of the stirring box and an air supply piece fixedly connected to the inner wall of the stirring box. The gas inlet mechanism is arranged, so that gas entering the stirring box can be sprayed out from the stirring box to four directions along the gas supply sheet and the gas dispersing pipe and is in full contact with liquid in the stirring box, and the stirring mechanism and the transmission assembly are arranged, so that the reaction is more sufficient, and the reaction efficiency is improved; and only one motor is used for driving the two rotating rods to rotate, so that the cost of the device is saved.

The application discloses a method for removing chlorine from a zinc sulfate solution containing chlorine by using ozone or ozone air, and ozone or ozone air generated by an ozone generator is introduced into a closed pressure-adjustable container containing the zinc sulfate solution containing chlorine, and oxidation dechlorination is carried out in the container at normal temperature or under the natural temperature condition of the solution; low-chlorine zinc sulfate solution and mixed waste gas containing oxygen and chlorine gas are obtained; the mixed waste gas is introduced into saturated limewater or a sodium alkali solution, and chemical products of sodium hypochlorite or calcium hypochlorite are obtained. The application adopts ozone or ozone air to remove chlorine from the zinc sulfate solution containing chlorine, and has the advantages of simple process, high dechlorination efficiency, comprehensive recovery of chemical products of calcium hypochlorite or sodium hypochlorite for reuse or sale, less waste, no sodium chloride accumulation, and good social and economic benefits.

The invention relates to the technical field of preparation and mixing of calcium hypochlorite, and discloses mixing equipment for preparation of calcium hypochlorite, the mixing equipment comprises a mixing barrel, one side of a gear is in meshed connection with a rotating column, the rotating column penetrates through the top of the mixing barrel, first oil cylinders are symmetrically fixed to the two sides of the rotating column, and first pistons are slidably connected into the first oil cylinders; a scraping plate is fixed to the outer side of the first piston, stirring blades are symmetrically fixed to the two sides of the rotating column, and a pumping mechanism is fixed to the bottom of the mixing barrel and communicates with the mixing mechanism. According to the mixing equipment for preparing calcium hypochlorite, calcium hydroxide is sprayed out through spraying holes, chlorine is introduced into the mixing barrel, stirring blades rotate along with a rotating column, calcium hydroxide and chlorine are conveniently and fully mixed together, and due to the special structure of an extrusion ring, a parabola formed by calcium hydroxide sprayed out through the spraying holes is larger and larger, so that the calcium hypochlorite is more and more stable. And the calcium hydroxide is more fully contacted with the mixed chlorine.

A method for producing a haloamine solution with reduced amounts of halogen oxyanions including (a) the on-site generation of a halogen-containing oxidant, such as a solution and (b) reacting on-site the halogen-containing oxidant with a nitrogen source, to thereby produce the haloamine solution.

The application discloses a device and a production process for continuously producing sodium hypochlorite by using chlorination tail gas, relates to the field of chlorination tail gas treatment, and comprises an absorption tank, a receiving pipe and an exhaust pipe communicated with the absorption tank, the absorption tank is further communicated with a liquid inlet pipe and a liquid outlet pipe, a liquid inlet control valve is arranged on the liquid inlet pipe, a liquid outlet control valve is arranged on the liquid outlet pipe, the liquid outlet pipe is communicated with the lower side of the absorption tank, and the absorption tank is further provided with a detection device for detecting the concentration of a solution in the absorption tank. The application has the effects of guaranteeing the continuity of the absorption tank in treating chlorine in tail gas, reducing the emission of chlorine in the tail gas to the outside world and the pollution of air, and guaranteeing the normal output of sodium hypochlorite.

To provide a manufacturing method and a manufacturing apparatus which are industrially useful in manufacturing a halogen oxyacid solution.SOLUTION: A method for manufacturing a halogen oxyacid solution includes mixing an organic alkali solution and halogen while continuously supplying both to a stationary mixer so as to continuously obtain generated halogen oxyacid.SELECTED DRAWING: Figure 1

The invention discloses a production method of isopentenoic acid, which comprises the following steps: reacting sodium chlorite with a sodium chloride aqueous solution to obtain a sodium hypochlorite solution, dropwise adding the sodium hypochlorite solution into mesityl oxide, reacting the sodium hypochlorite solution with mesityl oxide to generate sodium isopentenoate, sodium hydroxide and chloroform, acidifying the obtained sodium isopentenoate and sodium hydroxide by using hydrogen chloride, and separating to obtain the isopentenoic acid. The method comprises the following steps: extracting with chloroform, concentrating and recovering chloroform after extraction, cooling and crystallizing, filtering, drying to obtain an isopentenoic acid product, and neutralizing the extracted raffinate with sodium hydroxide to realize wastewater treatment and utilization. According to the method, the sodium hypochlorite solution is firstly produced through reaction, the content of available chlorine in the sodium hypochlorite solution is ensured, the production cost is reduced, then cheap and easily available mesityl oxide and sodium hypochlorite are used as main raw materials, the raw materials are efficiently converted into the isopentenoic acid through haloform reaction, the yield and the purity are both greatly improved, and the method is suitable for industrial production. In addition, waste liquid generated in the production process can be effectively utilized, and environmental protection is facilitated.

The utility model relates to the field of sodium chlorate generators, and discloses an automatic control device of a sodium hypochlorite generator, which comprises a tank body, a discharge port is arranged on the outer wall of the tank body close to the bottom end, a filter assembly is arranged on the upper surface of the tank body, the filter assembly comprises an air guide pipe, the air guide pipe is fixedly connected on the upper surface of the tank body, and a water outlet is arranged on the lower surface of the tank body. A pipe cover is inserted into the upper surface of the air guide pipe, a gear motor is installed on the upper surface of the pipe cover, a check block is fixedly connected to the inner wall of the air guide pipe, a supporting ring is inserted into the upper surface, close to the check block, of the inner wall of the air guide pipe, and a filtering sleeve is inserted into the upper surface, close to the supporting ring, of the inner wall of the air guide pipe. The upper surface of the filter sleeve is fixedly connected with a transmission block. According to the utility model, the filtering sleeve is used for replacing a traditional filtering plate, during filtering operation, hydrogen can enter the filtering sleeve from the lower part of the filtering sleeve and then leave from the side surface, and the total area of the side surface of the filtering sleeve is far larger than that of the filtering plate.

The utility model relates to the technical field of dilute brine preparation, in particular to a dilute brine preparation device of a sodium hypochlorite generator. Comprising a water inlet pipe connected with a water softener, the other end of the water softener is connected with a jet device through a first feeding pipe, a spiral blanking machine is connected with the other inlet of the jet device through a second feeding pipe, and the outlet end of the jet device is communicated with a dilute brine tank through a discharging pipe; a spiral blanking machine is adopted for automatically metering and controlling the adding amount of solid salt, a jet device with softened water as a power water source is arranged, the principle that the jet device sprays at a high speed and forms negative pressure is utilized, the salt from the spiral blanking machine is sucked into the jet device, efficiently mixed and dissolved in the jet device and forcibly dissolved again in a secondary mixer, and then the salt is fed into the secondary mixer. And finally, accurate 3-5% dilute brine is obtained.

The present invention relates to a hypochlorite generation electrode comprising a conductive substrate and a catalytic coating applied over said substrate, and a multi-layer method for the manufacture thereof.

The utility model relates to a main reaction device for calcium hypochlorite, and belongs to the technical field of chemical preparation. The main reaction kettle body is cylindrical, the top of the main reaction kettle body is connected with a kettle cover through a bolt, a through hole is formed in the middle part of the kettle cover, a stirring rod penetrates through the through hole and extends, the top end of the stirring rod is connected with a gear motor through a coupler, and the gear motor is inversely fixed above the kettle cover through a motor base. A stirring rod is arranged in the kettle cover, a plurality of stirring blades are arranged on a rod body of the stirring rod, a feeding hole is formed in the kettle cover, a sealing cover is mounted at the feeding hole, two symmetrically-distributed air leakage pipes are further arranged on the kettle cover, air leakage holes are formed in the side surfaces of the air leakage pipes, and an air leakage control device is connected to the two air leakage pipes. The device can ensure the preparation safety of the main reaction process of the high test bleaching powder, reduce the danger coefficient of reaction explosion and improve the reaction quality of the high test bleaching powder.

The utility model belongs to the technical field of comprehensive utilization of waste water, and particularly discloses a device for effectively controlling the pH value and available chlorine of sodium hypochlorite waste liquid, which comprises a sodium hypochlorite waste liquid buffer tank, an inlet of the sodium hypochlorite waste liquid buffer tank is communicated with a washing component, and an outlet of the sodium hypochlorite waste liquid buffer tank is communicated with a waste liquid treatment component. The utility model provides a device for effectively controlling the pH value and available chlorine of sodium hypochlorite waste liquid, and by controlling the pH value of the sodium hypochlorite waste liquid, the scaling and blockage of a pipeline in the material conveying process from a waste sodium hypochlorite buffer tank to a degassing tower can be effectively relieved, the scaling and blockage of a waste sodium hypochlorite heater can be relieved, and the service cycle of a matched device can be prolonged; meanwhile, the sodium hypochlorite waste liquid treated by the washing assembly and the sodium hypochlorite waste liquid collecting pool not only can meet the safety requirement for compounding of the sodium hypochlorite waste liquid, but also can be discharged to the G3 membrane system to be treated, and the process index that high-salinity wastewater is conveyed to the G3 membrane system to be treated is met.

A method for producing a haloamine solution with reduced amounts of halogen polyoxyanions comprising (a) on-site generation of a halogen-containing oxidant solution, wherein the halogen-containing oxidant solution contains hypohalite; and (b) reacting on-site the on-site generated halogen-containing oxidant with a nitrogen source, to thereby produce the haloamine solution with reduced amounts of halogen polyoxyanions; wherein the on-site generation comprises reacting at least one halogenated hydantoin compound with water, and wherein the haloamine solution comprises less than 5% by weight of halogen polyoxyanions.