CN213388921U - Sodium hypochlorite generator and automatic chlorination system - Google Patents
Sodium hypochlorite generator and automatic chlorination system Download PDFInfo
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- CN213388921U CN213388921U CN202021944468.3U CN202021944468U CN213388921U CN 213388921 U CN213388921 U CN 213388921U CN 202021944468 U CN202021944468 U CN 202021944468U CN 213388921 U CN213388921 U CN 213388921U
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Abstract
An automatic chlorination system comprises a sodium hypochlorite generator, a second metering pump, a PLC (programmable logic controller), a residual chlorine analyzer for detecting target water and a flowmeter for detecting the target water, wherein the PLC controls the second metering pump through signals of the residual chlorine analyzer and the flowmeter; the sodium hypochlorite generator comprises a sodium hydroxide lifting device, a salt solution device, a sodium hypochlorite electrolysis device and an acid pickling device; the sodium hydroxide lifting device comprises a support, a sodium hydroxide storage tank arranged on the support and a screw conveyor. The utility model discloses set up ultrasonic agitator in the salt solution bin again, can make the sodium chloride of adding fully dissolve soft aquatic again, the convenient volume through the sodium chloride and the soft water of control addition, and then the concentration of accurate control salt solution.
Description
Technical Field
The utility model relates to a disinfection liquid production field, especially a hypochlorite generator and automatic chlorination system.
Background
Liquid chlorine disinfection is the most mature drinking water disinfection technology, but before use, the drinking water needs to be examined and approved by public security departments and put on record, and a water plant needs to be equipped with a chlorine leakage absorption device, so that the safety of transportation, use and storage is poor. The disinfection method with sodium hypochlorite solution is high in safety, and although the water plant can purchase commodity sodium hypochlorite solution for disinfection, the disinfection method with finished sodium hypochlorite solution has the problems of high cost, inconvenience in transportation and the like, and the water plant in some regions cannot conveniently purchase the finished sodium hypochlorite solution. Therefore, it is necessary to use a device for producing a sodium hypochlorite solution (i.e., a sodium hypochlorite generator) which is generated on site.
The sodium hypochlorite generator is used for conveying saline water into an electrolytic cell and electrolyzing the saline water to form a sodium hypochlorite solution and a small amount of hydrogen; the saline water used by the sodium hypochlorite generator is prepared by injecting clear water into a barrel, and pouring salt into the barrel to prepare 3-5% dilute saline water for an electrolytic bath. The method for preparing 3-5% dilute brine is a one-step salt dissolving and adjusting method.
The existing sodium hypochlorite generator cannot accurately match the concentration of the salt water, so that the automatic chlorination of tap water is difficult to realize. In addition, most of the conventional sodium hypochlorite generators are too complex to prepare saline water, one working procedure is required, and a set of pump is required; under the condition of the same sodium hypochlorite yield, the existing sodium hypochlorite generator has large floor area ratio and complex operation and control.
Disclosure of Invention
One of the technical problems to be solved in the utility model is to provide a sodium hypochlorite generator, the salt solution concentration control is accurate, and can realize automatic control.
In order to solve the technical problem, the technical scheme of the utility model is that: a sodium hypochlorite generator comprises a sodium chloride lifting device, a saline solution device, a sodium hypochlorite electrolysis device and an acid pickling device; the sodium chloride lifting device comprises a support, a sodium chloride storage tank and a screw conveyor, wherein the sodium chloride storage tank and the screw conveyor are arranged on the support; the saline water device comprises a saline water blending storage tank, an ultrasonic stirrer arranged in the saline water blending storage tank, a sodium chloride concentration meter for monitoring the saline water, a sodium chloride feeding port arranged at the top of the saline water blending storage tank, a soft water and water purifier for supplying water to the saline water blending storage tank and a first metering pump, wherein the first metering pump supplies the saline water to the sodium hypochlorite electrolysis device through a first conveying pipeline; the sodium hypochlorite electrolytic device comprises a sodium hypochlorite electrolytic tank and a sodium hypochlorite solution storage tank, the output end of the first conveying pipeline is butted with the negative electrode end of the sodium hypochlorite electrolytic tank, the positive electrode end of the sodium hypochlorite electrolytic tank is communicated with the sodium hypochlorite solution storage tank through a second conveying pipeline, and a third conveying pipeline communicated with the outside and used for discharging hydrogen is arranged at the upper part of the sodium hypochlorite solution storage tank; the pickling device comprises a pickling solution storage tank communicated with the sodium hypochlorite electrolytic tank, a fourth conveying pipeline used for discharging gas in the sodium hypochlorite electrolytic tank and a fifth conveying pipeline used for completely discharging sodium hypochlorite solution in the sodium hypochlorite electrolytic tank to the sodium hypochlorite solution storage tank.
As an improvement, the salt solution device, the sodium hypochlorite electrolysis device and the acid washing device are of an integrated skid-mounted structure.
As an improvement, the outer wall of the sodium chloride storage tank is provided with a vibrator, and a discharge port of the sodium chloride storage tank is provided with a feeder.
As an improvement, the sodium chloride adding port is provided with a non-sealed cover plate with a ventilation function, and the non-sealed cover plate is provided with a handle.
As an improvement, two first metering pumps and two saline solution blending storage tanks are arranged in total, the first metering pumps correspond to the saline solution blending storage tanks one by one, and the output ends of the two first metering pumps realize input and output interconnection and intercommunication through an interconnection pipe and are mutually switched to be standby; and the bottom of the bracket is provided with a roller.
As an improvement, a residual liquid discharge valve is arranged at the bottom of the saline solution blending storage tank; two sodium hypochlorite electrolysis tanks are respectively positioned at two sides of the soft water and the water purifier, and two sides of the sodium hypochlorite generator are provided with transparent observation access doors.
As an improvement, the sodium hypochlorite electrolytic cell is arranged in a closed chamber, a blower is arranged on the closed chamber, and the closed chamber is communicated with a sodium hypochlorite solution storage tank through a sixth conveying pipeline.
As an improvement, the first conveying pipeline, the second conveying pipeline, the third conveying pipeline, the fourth conveying pipeline and the fifth conveying pipeline are all provided with a manual valve or an electric valve; the first conveying pipeline is provided with a pulse damper; salt solution allotment bin and sodium hypochlorite solution bin all are furnished with liquid level transmitter.
In order to solve the above technical problem, the utility model discloses another technical scheme is: an automatic chlorination system comprises a sodium hypochlorite generator, a second metering pump, a PLC (programmable logic controller), a residual chlorine analyzer for detecting target water and a flowmeter for detecting the target water, wherein the PLC controls the second metering pump through signals of the residual chlorine analyzer and the flowmeter; the sodium hypochlorite generator comprises a sodium chloride lifting device, a salt solution device, a sodium hypochlorite electrolysis device and an acid pickling device; the sodium chloride lifting device comprises a support, a sodium chloride storage tank and a screw conveyor, wherein the sodium chloride storage tank and the screw conveyor are arranged on the support; the saline water device comprises a saline water blending storage tank, an ultrasonic stirrer arranged in the saline water blending storage tank, a sodium chloride concentration meter for monitoring the saline water, a sodium chloride feeding port arranged at the top of the saline water blending storage tank, a soft water and water purifier for supplying water to the saline water blending storage tank and a first metering pump, wherein the first metering pump supplies the saline water to the sodium hypochlorite electrolysis device through a first conveying pipeline; the sodium hypochlorite electrolytic device comprises a sodium hypochlorite electrolytic tank and a sodium hypochlorite solution storage tank, the output end of the first conveying pipeline is butted with the negative electrode end of the sodium hypochlorite electrolytic tank, the positive electrode end of the sodium hypochlorite electrolytic tank is communicated with the sodium hypochlorite solution storage tank through a second conveying pipeline, and a third conveying pipeline communicated with the outside and used for discharging hydrogen is arranged at the upper part of the sodium hypochlorite solution storage tank; the pickling device comprises a pickling solution storage tank communicated with the sodium hypochlorite electrolytic tank, a fourth conveying pipeline used for discharging gas in the sodium hypochlorite electrolytic tank and a fifth conveying pipeline used for completely discharging sodium hypochlorite solution in the sodium hypochlorite electrolytic tank to the sodium hypochlorite solution storage tank; the second metering pump pumps the sodium hypochlorite solution in the sodium hypochlorite solution storage tank to target water through a seventh conveying pipeline; an eighth conveying pipeline is arranged between the output end of the second metering pump and the sodium hypochlorite solution storage tank, and an overpressure relief valve is arranged on the eighth conveying pipeline.
As an improvement, an electric valve, a sodium hypochlorite check valve and a manual sodium hypochlorite stop valve are arranged on the seventh conveying pipeline; the field is provided with a PLC controller and a central control room, and a central control computer of the controller is arranged in the central control room.
Compared with the prior art, the utility model the beneficial effect who brings is:
1. the utility model discloses set up ultrasonic agitator in the salt solution bin again, can make the sodium chloride of adding fully dissolve in soft water purified water, the convenient volume through sodium chloride and the soft water of control addition, and then the concentration of accurate control salt solution adopts one step of salt dissolving to transfer the salt method, once only transfers salt solution concentration.
2. Because the concentration of the sodium hypochlorite solution can be accurately controlled, and the chlorine content in the tap water can be analyzed, the sodium hypochlorite solution can be accurately and quantitatively pumped out from the sodium hypochlorite solution storage tank through the metering pump and added into the target water, so that the automatic chlorination of the tap water is completed, the working efficiency of the chlorination process is improved, and the safety index of the tap water is ensured;
3. the salt solution device, the sodium hypochlorite electrolysis device and the acid pickling device are arranged on the same platform, and the positions and the connection relation among the devices are fixed to form a whole, so that the carrying and the assembly are simpler;
4. the system is provided with two first metering pumps and two saline solution blending storage tanks in total, the first metering pumps correspond to the saline solution blending storage tanks one by one, and the output ends of the two first metering pumps realize output intercommunication through an intercommunication pipe; the two sets of equipment are switched for use, so that the working reliability of a sodium hypochlorite generator and an automatic chlorination system is ensured;
5. the acid washing device is connected with the sodium hypochlorite electrolytic tank, so that the electrode in the sodium hypochlorite electrolytic tank can be cleaned by the acid washing device, and the operation efficiency of the sodium hypochlorite electrolytic tank is ensured; when the machine is stopped, the electrolytic bath can be flushed by tap water, so that scaling is avoided.
6. The bottom of the sodium chloride lifting device is provided with the roller, so that the sodium chloride lifting device can be conveniently moved, and can be easily switched to be matched with the two saline solution blending storage boxes;
7. the sodium hypochlorite electrolytic cell can be cooled by the air feeder, and air can be fed into the sodium hypochlorite solution storage tank, so that hydrogen in the sodium hypochlorite solution storage tank is extruded and exhausted to the outside;
8. the pulse damper is arranged in the conveying pipeline, so that the impact of the salt solution entering the sodium hypochlorite electrolytic tank can be relieved.
Drawings
FIG. 1 is a schematic diagram of an automatic chlorination system.
Figure 2 is a side view of the sodium hypochlorite generator.
Figure 3 is a top view of the sodium hypochlorite generator.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, an automatic chlorination system comprises a sodium hypochlorite generator and a control part 5, wherein the control part 5 comprises a second metering pump 56, a PLC controller 52, a residual chlorine analyzer 55 for detecting target water 54, a flow meter 53 for detecting target water 54, a central control room and a central control computer 51 arranged in the central control room. The automatic chlorine-making and chlorine-adding system is characterized in that a PLC controller is arranged on site, the PLC controller is installed in a duty operation room near a sodium hypochlorite generator, various manual/automatic valves, sensors, transmitters, level sensors, temperature sensors, PLC controllers, a central control room computer, configuration software and the like form an Internet of things with automatic chlorine making, automatic chlorine adding and automatic monitoring functions through the Ethernet, and therefore automatic chlorine making and automatic chlorine adding are achieved. The remote control system can be controlled on site or remotely controlled in a central control room through a computer. All actions are not limited to automatic, and valves, chlorine production, chlorine dosing and the like can be manually operated. A central control room is also arranged, and a central control computer is arranged in the central control room. The system is characterized by being capable of being operated and monitored on site and also being operated and monitored remotely.
As shown in fig. 1 and 3, the utility model discloses be equipped with two second measuring pumps 56 altogether, the input of two second measuring pumps 56 passes through the pipeline intercommunication, and two second measuring pumps 56 can switch over the use, also can use simultaneously, ensure the reliability of automatic chlorination system work. The PLC controller 52 obtains signals through the residual chlorine analyzer 55 and the flow meter 53 and controls the output of the second metering pump 56. The central control computer 51 can control the PLC 52, and an operator can remotely control the whole chlorination system by hands in a central control room, so that the safety of the operator can be ensured by remote control. The second metering pump 56 pumps the sodium hypochlorite solution in the sodium hypochlorite solution storage tank 41 to the target water 54 through a seventh conveying pipeline 57; an eighth conveying pipeline 58 is arranged between the output end of the second metering pump 56 and the sodium hypochlorite solution storage tank 41, and an overpressure relief valve is arranged on the eighth conveying pipeline 58; and a sodium hypochlorite check valve and a pulse damper are arranged on the seventh conveying pipeline 57.
As shown in fig. 1 and 2, the sodium hypochlorite generator comprises a sodium chloride lifting device 1, a saline solution device 2, a sodium hypochlorite electrolysis device 4 and an acid washing device 3. Salt solution device 2, sodium hypochlorite electrolytic device 4 and acid dip pickle 3 establish and form a whole on same platform, and the position and the relation of connection between each device are fixed, as a whole, and the transport is simpler with the assembly.
As shown in fig. 1 and 2, the sodium chloride lifting device 1 includes a support 12, a sodium chloride storage tank 11 provided on the support 12, and a screw conveyor 15. The outer wall of sodium chloride holding vessel 11 is equipped with vibrator 13, the discharge gate of sodium chloride holding vessel 11 is equipped with batcher 14. The input end of the screw conveyor 15 is butted with the discharge port of the sodium chloride storage tank 11, and the output end of the screw conveyor 15 is butted with the salt water device 2. The bottom of the support 12 is provided with a roller 16, which is convenient for the sodium chloride lifting device 1 to move, so that the position of the output end of the screw conveyor 15 can be adjusted at any time, and the switching can be carried out by matching with other equipment. The sodium chloride in this example is in a dry powder state.
As shown in fig. 1 and 2, the saline solution device 2 includes a saline solution preparing storage tank 21, an ultrasonic stirrer 25 disposed in the saline solution preparing storage tank 21, a sodium chloride concentration meter for monitoring the saline solution, a liquid level transmitter for monitoring the liquid level of the saline solution, a sodium chloride feeding port disposed at the top of the saline solution preparing storage tank 21, a soft water and water purifier 26 for supplying water to the saline solution preparing storage tank 21, and a first metering pump 23. In this embodiment, two first metering pumps 23 and two saline solution blending storage tanks 21 are provided, the first metering pumps 23 correspond to the saline solution blending storage tanks 21 one by one, output ends of the two first metering pumps 23 are communicated by an interconnecting pipe, and the two first metering pumps 23 can be switched to use or used simultaneously and can be adjusted according to the operation condition of the equipment; because the bottom of the sodium chloride lifting device 1 is provided with the roller 16, the discharge end of the screw conveyor 15 can be freely and quickly switched between the two saline solution preparation storage tanks 21. First measuring pump 23 provides the salt solution through first pipeline 24 to sodium hypochlorite electrolytic device 4, and the negative pole end at the sodium hypochlorite electrolysis trough is connected to first pipeline 24's output, is equipped with pulse damper 27 on the first pipeline 24, can slow down the impact that the salt solution got into in the sodium hypochlorite electrolysis trough. The inlet end of the first conveying pipeline 24 is provided with a manual or electric check valve, and the outlet end of the first conveying pipeline 24 is provided with a manual valve or an electric valve. The bottom of the saline solution allocation storage box 21 is provided with a residual liquid discharge valve 27, and when the saline solution allocation storage box needs to be cleaned, residual liquid in the box is completely discharged through the residual liquid discharge valve 27. The sodium chloride adding port is provided with a non-sealed cover plate 22 with a ventilation function, and a handle is arranged on the non-sealed cover plate 22. The soft water and water purifier 26 is internally provided with an activated carbon adsorption layer and soft water resin to soften tap water and remove pollutants such as residual organic matters in the tap water, so that the electrolysis efficiency is higher, the scaling speed of the electrodes of the electrolytic cell is reduced, and the service life of the electrodes is prolonged. The utility model adopts a one-step salt dissolving and adjusting method, and directly uses powdered sodium chloride and soft water to adjust the salt water concentration suitable for the electrolytic bath. Instead of preparing the saturated salt solution first and then preparing the salt solution with the saturated salt solution and soft water to obtain the salt solution with the concentration suitable for the electrolytic cell, namely a one-step salt dissolving and adjusting method.
As shown in fig. 1 and 2, the sodium hypochlorite electrolytic device 4 includes a sodium hypochlorite electrolytic cell 42 and a sodium hypochlorite solution storage tank 41, the two sodium hypochlorite solution storage tanks 41 are provided in the embodiment, the sodium hypochlorite solution storage tank 41 can be switched to use or used simultaneously, the first metering pump 23, the saline solution blending storage tank 21 and the sodium hypochlorite solution storage tank 41 are a set of equipment, and the two sets of equipment are switched to use, so as to ensure the working reliability of the sodium hypochlorite generator and the automatic chlorination system. The negative pole end and the 24 butt joints of first pipeline of sodium hypochlorite electrolysis trough 42, and the positive terminal of sodium hypochlorite electrolysis trough 42 passes through second pipeline 33 and sodium hypochlorite solution bin 41 intercommunication, and the salt solution gets into and flows to the positive terminal from the negative pole of sodium hypochlorite electrolysis trough 42, and the flow process is electrolyzed and is formed sodium hypochlorite solution and hydrogen, and sodium hypochlorite solution is stored in directly arranging sodium hypochlorite solution bin 41 through second pipeline 33, the upper portion of sodium hypochlorite solution bin 41 is equipped with the third pipeline 44 that is used for discharging hydrogen with external intercommunication. Sodium hypochlorite solution storage tank 41 is provided with liquid level transmitter for detect the liquid level of sodium hypochlorite solution, ensure that the upper portion of sodium hypochlorite solution storage tank 41 has sufficient space to hold hydrogen. The two sodium hypochlorite electrolytic tanks 42 are arranged in the closed chamber 6 and are positioned at two sides of the softening and water purifying device, the closed chamber 6 is provided with a blower 7, and the closed chamber 6 is communicated with a sodium hypochlorite solution storage tank 41 through a sixth conveying pipeline 43; the blower 7 can pump outside fresh air into the closed chamber 6, and dissipate heat of the sodium hypochlorite electrolytic cell 42, and in addition, the entering air can enter the sodium hypochlorite solution storage tank 41 through the sixth conveying pipeline 43, and the hydrogen in the tank is extruded and discharged outside. Transparent observation access doors are arranged on two sides of the sodium hypochlorite generator, the working condition of the sodium hypochlorite electrolytic cell 42 can be observed through the access doors, and the sodium hypochlorite electrolytic cell can enter an overhaul personnel through the access doors.
As shown in fig. 1 and 2, the acid cleaning apparatus 3 includes a cleaning solution storage tank 31 communicating with the sodium hypochlorite electrolytic tank 42, a fourth transfer line 32 for discharging gas in the sodium hypochlorite electrolytic tank 42, and a fifth transfer line 34 for completely discharging sodium hypochlorite solution in the sodium hypochlorite electrolytic tank 42 to the sodium hypochlorite solution storage tank 41. The fourth transfer line 32 is connected to the second transfer line 33, and when the sodium hypochlorite electrolytic tank 42 needs to be pickled, it is necessary to completely discharge the liquid inside the sodium hypochlorite electrolytic tank 41, to equalize the air pressure in the sodium hypochlorite electrolytic tank 42 by the fourth transfer line 32, and to discharge the pickling solution in the pickling solution storage tank 31 to the sodium hypochlorite electrolytic tank 42. The fourth pipeline is provided with a tap water interface 35, and when the machine is stopped or acid-washed, the tap water is used for flushing the sodium hypochlorite electrolytic tank 42.
All the conveying pipelines are provided with manual valves or electric valves for realizing the switching of the pipelines. The key parts are all set to double paths, including the sodium hypochlorite generator host provided with the double-path sodium hypochlorite electrolytic tank, the first metering pump added with the double-path sodium chloride solution, the second metering pump added with the double-path sodium hypochlorite solution, the double-path intelligent electrolytic tank power supply and the double-path salt water storage tank, each path can be operated independently and simultaneously, the interconnection and intercommunication, the switching and the standby of each other are realized, the main parts have the redundancy function, and the long-term operation can be ensured. Various manual/automatic valves, sensors, transmitters, level sensors, temperature sensors, PLC controllers, central control room computers, configuration software and the like form an Internet of things with automatic chlorine production, automatic chlorine adding and automatic monitoring through the Ethernet, so that automatic chlorine production and automatic chlorine feeding are realized. The remote control system can be controlled on site or remotely controlled in a central control room through a computer. All actions are not limited to automatic, and valves, chlorine production, chlorine dosing and the like can be manually operated.
The utility model discloses set up ultrasonic agitator in the salt solution bin again, can make the sodium chloride of adding fully dissolve soft aquatic again, the convenient volume of sodium chloride and soft water of adding through the control, and then the concentration of accurate control salt solution because the concentration of sodium hypochlorite solution can accurate control, and the chlorine content in the running water can be analyzed and obtain, consequently can accurate quantitative take out sodium hypochlorite solution and add the target aquatic in from the sodium hypochlorite solution bin through the measuring pump, accomplish the automation of running water and add chlorine, not only promote the work efficiency of chlorination technology, and the disinfection safety index of running water obtains guaranteeing.
Claims (10)
1. A sodium hypochlorite generator which is characterized in that: comprises a sodium chloride lifting device, a salt solution device, a sodium hypochlorite electrolysis device and an acid pickling device; the sodium chloride lifting device comprises a support, a sodium chloride storage tank and a screw conveyor, wherein the sodium chloride storage tank and the screw conveyor are arranged on the support; the saline water device comprises a saline water blending storage tank, an ultrasonic stirrer arranged in the saline water blending storage tank, a sodium chloride concentration meter for monitoring the saline water, a sodium chloride feeding port arranged at the top of the saline water blending storage tank, a soft water and water purifier for supplying water to the saline water blending storage tank and a first metering pump, wherein the first metering pump supplies the saline water to the sodium hypochlorite electrolysis device through a first conveying pipeline; the sodium hypochlorite electrolytic device comprises a sodium hypochlorite electrolytic tank and a sodium hypochlorite solution storage tank, the output end of the first conveying pipeline is butted with the negative electrode end of the sodium hypochlorite electrolytic tank, the positive electrode end of the sodium hypochlorite electrolytic tank is communicated with the sodium hypochlorite solution storage tank through a second conveying pipeline, and a third conveying pipeline communicated with the outside and used for discharging hydrogen is arranged at the upper part of the sodium hypochlorite solution storage tank; the pickling device comprises a pickling solution storage tank communicated with the sodium hypochlorite electrolytic tank, a fourth conveying pipeline used for discharging gas in the sodium hypochlorite electrolytic tank and a fifth conveying pipeline used for completely discharging sodium hypochlorite solution in the sodium hypochlorite electrolytic tank to the sodium hypochlorite solution storage tank.
2. A hypochlorite generator as claimed in claim 1, wherein: the salt solution device, the sodium hypochlorite electrolysis device and the acid pickling device are of an integrated skid-mounted structure.
3. A hypochlorite generator as claimed in claim 1, wherein: the outer wall of the sodium chloride storage tank is provided with a vibrator, and a discharge port of the sodium chloride storage tank is provided with a feeder.
4. A hypochlorite generator as claimed in claim 1, wherein: the sodium chloride adding port is provided with a non-sealed cover plate with a ventilation function, and a handle is arranged on the non-sealed cover plate.
5. A hypochlorite generator as claimed in claim 1, wherein: the two first metering pumps and the two saline solution blending storage tanks are arranged in total, the first metering pumps correspond to the saline solution blending storage tanks one by one, and the output ends of the two first metering pumps are interconnected and communicated with each other through the intercommunication pipes, switched with each other and standby with each other; and the bottom of the bracket is provided with a roller.
6. A hypochlorite generator as claimed in claim 1, wherein: a residual liquid discharge valve is arranged at the bottom of the saline solution blending storage tank; two sodium hypochlorite electrolysis tanks are respectively positioned at two sides of the soft water and the water purifier, and two sides of the sodium hypochlorite generator are provided with transparent observation access doors.
7. A hypochlorite generator as claimed in claim 1, wherein: the sodium hypochlorite electrolytic cell is arranged in a closed chamber, a blower is arranged on the closed chamber, and the closed chamber is communicated with a sodium hypochlorite solution storage tank through a sixth conveying pipeline and has a hydrogen discharge function.
8. A hypochlorite generator as claimed in claim 1, wherein: manual valves or electric valves are arranged on the first conveying pipeline, the second conveying pipeline, the third conveying pipeline, the fourth conveying pipeline and the fifth conveying pipeline; the first conveying pipeline is provided with a pulse damper; salt solution allotment bin and sodium hypochlorite solution bin all are furnished with liquid level transmitter.
9. An automatic chlorination system is characterized in that: the system comprises a sodium hypochlorite generator, a second metering pump, a PLC (programmable logic controller), a residual chlorine analyzer for detecting target water and a flowmeter for detecting the target water, wherein the PLC controls the second metering pump through signals of the residual chlorine analyzer and the flowmeter; the sodium hypochlorite generator comprises a sodium chloride lifting device, a salt solution device, a sodium hypochlorite electrolysis device and an acid pickling device; the sodium chloride lifting device comprises a support, a sodium chloride storage tank and a screw conveyor, wherein the sodium chloride storage tank and the screw conveyor are arranged on the support; the saline water device comprises a saline water blending storage tank, an ultrasonic stirrer arranged in the saline water blending storage tank, a sodium chloride concentration meter for monitoring the saline water, a sodium chloride feeding port arranged at the top of the saline water blending storage tank, a soft water and water purifier for supplying water to the saline water blending storage tank and a first metering pump, wherein the first metering pump supplies the saline water to the sodium hypochlorite electrolysis device through a first conveying pipeline; the sodium hypochlorite electrolytic device comprises a sodium hypochlorite electrolytic tank and a sodium hypochlorite solution storage tank, the output end of the first conveying pipeline is butted with the negative electrode end of the sodium hypochlorite electrolytic tank, the positive electrode end of the sodium hypochlorite electrolytic tank is communicated with the sodium hypochlorite solution storage tank through a second conveying pipeline, and a third conveying pipeline communicated with the outside and used for discharging hydrogen is arranged at the upper part of the sodium hypochlorite solution storage tank; the pickling device comprises a pickling solution storage tank communicated with the sodium hypochlorite electrolytic tank, a fourth conveying pipeline used for discharging gas in the sodium hypochlorite electrolytic tank and a fifth conveying pipeline used for completely discharging sodium hypochlorite solution in the sodium hypochlorite electrolytic tank to the sodium hypochlorite solution storage tank; the second metering pump pumps the sodium hypochlorite solution in the sodium hypochlorite solution storage tank to target water through a seventh conveying pipeline; an eighth conveying pipeline is arranged between the output end of the second metering pump and the sodium hypochlorite solution storage tank, and an overpressure relief valve is arranged on the eighth conveying pipeline.
10. An automatic chlorination system according to claim 9, wherein: and the seventh conveying pipeline is provided with an electric valve, a sodium hypochlorite check valve and a manual sodium hypochlorite stop valve.
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