CN113813807A - Finished product sodium hypochlorite solution dilutes dosing system on line - Google Patents
Finished product sodium hypochlorite solution dilutes dosing system on line Download PDFInfo
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- CN113813807A CN113813807A CN202010559770.5A CN202010559770A CN113813807A CN 113813807 A CN113813807 A CN 113813807A CN 202010559770 A CN202010559770 A CN 202010559770A CN 113813807 A CN113813807 A CN 113813807A
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- sodium hypochlorite
- hypochlorite solution
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- 239000005708 Sodium hypochlorite Substances 0.000 title claims abstract description 143
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 239000000243 solution Substances 0.000 claims abstract description 143
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000010790 dilution Methods 0.000 claims abstract description 65
- 239000012895 dilution Substances 0.000 claims abstract description 65
- 238000012544 monitoring process Methods 0.000 claims abstract description 37
- 238000012806 monitoring device Methods 0.000 claims abstract description 36
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000000460 chlorine Substances 0.000 claims abstract description 32
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 32
- 238000002156 mixing Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 238000007865 diluting Methods 0.000 claims abstract description 8
- 238000011001 backwashing Methods 0.000 claims description 18
- 238000006460 hydrolysis reaction Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 abstract description 14
- 238000004659 sterilization and disinfection Methods 0.000 description 8
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 4
- 125000001309 chloro group Chemical group Cl* 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention provides an online dilution and addition system for a finished sodium hypochlorite solution, and relates to the technical field of water treatment systems. The online dilution proportioning system is used for discharging finished sodium hypochlorite solution and mixing and diluting the finished sodium hypochlorite solution and water in a certain proportion into diluted sodium hypochlorite solution. Storage system and online dilution proportioning system are linked together and store dilute sodium hypochlorite solution to set up overflow and the liquid level of monitoring facilities subassembly monitoring dilute sodium hypochlorite solution. And the metering and feeding system is communicated with the storage system, calculates the amount of the diluted sodium hypochlorite solution to be fed according to the monitoring data of the effective chlorine monitoring device and the residual chlorine monitoring equipment, and feeds the diluted sodium hypochlorite solution with required amount. The discharging and dilution proportioning of the finished solution are synchronously carried out, and the purposes of storage monitoring, automatic feeding and cleaning of the diluted solution are realized.
Description
Technical Field
The invention relates to the technical field of water treatment systems, in particular to an online dilution and addition system for a finished sodium hypochlorite solution.
Background
Most current water works mostly adopt the disinfection mode of liquid chlorine, because there are various potential safety hazards in the disinfection of liquid chlorine, seriously influence water works fortune dimension personnel's safety. In other water plants, a sodium hypochlorite solution is used for replacing liquid chlorine for disinfection, and the trend of improving and upgrading the disinfection mode is that the disinfection of sodium hypochlorite comprises finished product adding and field preparation. Most newly-built water plants can adopt electrolysis salt solution to replace liquid chlorine for disinfection, and most reform transform water plants, consider cost or reform transform many factors such as cycle, can regard finished product sodium hypochlorite disinfection as a transition, upgrade and reform transform into the field preparation again.
The concentration of the finished sodium hypochlorite solution is more than 5 percent, which belongs to dangerous chemicals, but is indispensable as the transition of upgrading and modifying a disinfection mode. The problem that the early finished sodium hypochlorite solution is added exists, and the high-concentration finished sodium hypochlorite solution is high in storage risk, unstable, easy to decompose and difficult to store for a long time. The dilution ratio of the finished sodium hypochlorite solution mostly adopts the mode of firstly discharging and then pouring water into the storage tank for dilution, so that the finished sodium hypochlorite solution is not uniformly mixed, the adding amount is not easy to control, and the residual chlorine value of the effluent of a water plant is unstable. Before finished sodium hypochlorite solution leaves a factory, a manufacturer needs to add excessive stabilizing agents such as sodium hydroxide, sodium carbonate or sodium silicate into the finished sodium hypochlorite solution to enhance the stability of the finished sodium hypochlorite solution, after the finished sodium hypochlorite solution is contacted with a water body, the substances can react with metal ions such as calcium and magnesium in water to generate insoluble substances, and the accumulation of the insoluble substances in equipment can influence the reliability of the operation of system equipment.
Disclosure of Invention
The invention aims to provide an online dilution and addition system for a finished sodium hypochlorite solution, which is used for solving the problems of unloading, dilution proportioning, storage monitoring, addition amount control and the like of the finished sodium hypochlorite.
The on-line dilution proportioning system is used for discharging the finished sodium hypochlorite solution and mixing and diluting the finished sodium hypochlorite solution and water in a certain proportion into a diluted sodium hypochlorite solution;
the storage system is communicated with the online dilution proportioning system and comprises at least one storage device, and the storage device is used for storing the diluted sodium hypochlorite solution;
the metering and feeding system is communicated with the storage system and comprises an effective chlorine monitoring device and at least one metering and feeding device, the effective chlorine monitoring device monitors the effective chlorine concentration of the diluted sodium hypochlorite solution before feeding, the metering and feeding device acquires the residual chlorine concentration of effluent and calculates the amount of the diluted sodium hypochlorite solution to be fed according to the monitoring data of the effective chlorine monitoring device, and the amount of the diluted sodium hypochlorite solution to be fed is required. The available chlorine monitoring device preferably uses an available chlorine concentration meter.
Furthermore, the online dilution proportioning system comprises at least one unloading module and a proportioning module which are communicated, wherein the at least one unloading module is used for outputting the finished sodium hypochlorite solution and inputting the finished sodium hypochlorite solution into the proportioning module, and the proportioning module is used for diluting the input finished sodium hypochlorite solution;
at least one module of unloading is including the pipeline of unloading and locating an at least unloading pump on the pipeline of unloading, the ratio module includes a mixing arrangement and a first inlet channel, the mixing arrangement with the pipeline of unloading reaches first inlet channel intercommunication, the pipeline of unloading is to the mixing arrangement input finished product sodium hypochlorite solution, first inlet channel is to the mixing arrangement input water, the mixing arrangement is used for mixing finished product sodium hypochlorite solution reaches water, thereby the ratio dilutes finished product sodium hypochlorite solution.
Furthermore, the at least one discharge pump is arranged in parallel, a first flowmeter for displaying the flow of the finished sodium hypochlorite solution and a first valve for controlling the flow of the finished sodium hypochlorite solution are arranged on the discharge pipeline, and a second flowmeter for displaying the water flow and a second valve for controlling the water flow are arranged on the first water inlet pipeline. The first valve is preferably a diaphragm valve, and the second valve is preferably a ball valve or a diaphragm valve.
Furthermore, the storage system also comprises a monitoring equipment component, wherein the monitoring equipment component at least comprises a leakage point monitoring device, a liquid level control device and a concentration monitoring device; the leakage point monitoring device monitors whether leakage points exist in the at least one storage device or whether the diluted sodium hypochlorite solution overflows, and if yes, an alarm signal is sent to a receiving end or the input of the online dilution proportioning system is stopped; the liquid level control device monitors whether the diluted sodium hypochlorite solution in the at least one storage device is higher than a set liquid level value or not, and if so, the input of the online dilution proportioning system is stopped; the concentration monitoring device monitors the concentration of the diluted sodium hypochlorite solution before being input into the storage equipment. The concentration monitoring device preferably uses an available chlorine concentration meter.
Further, at least one storage device is arranged in a parallel mode, each storage device comprises a liquid inlet pipeline, a gas pipeline and a storage tank, the liquid inlet pipeline is communicated with the mixing device to the storage tank, the liquid inlet pipeline is used for conveying the diluted sodium hypochlorite solution with diluted ratio to the storage tank, and the gas pipeline is communicated with the storage tank to the outside. After the storage tank is communicated with the gas pipeline, the storage tank and the external air pressure are kept in a relatively balanced state, and meanwhile, the gas pipeline can timely discharge gas generated by decomposing the diluted sodium hypochlorite solution stored in the storage tank out of the outside.
Further, the storage system comprises a concentration monitoring device, wherein the concentration monitoring device is arranged on the liquid inlet pipeline and used for monitoring the concentration of the diluted sodium hypochlorite solution after proportioning and dilution.
Further, the metering and feeding equipment comprises a feeding pipeline and at least one feeding pump arranged on the feeding pipeline, the feeding pipeline is communicated with the storage tank and the feeding pump, and the feeding pump conveys the diluted sodium hypochlorite solution to a dosing point.
Furthermore, the at least one feeding pump is arranged in parallel, the effective chlorine monitoring device is arranged on the feeding pipeline, and a third valve for controlling the flow of the diluted sodium hypochlorite solution and a filter for filtering the diluted sodium hypochlorite solution are arranged on the feeding pipeline in front of each feeding pump. The third valve is preferably an electrically operated valve.
And furthermore, at least one adding pump corresponds to one adding point, the diluted sodium hypochlorite solution added by the adding point and raw water generate hydrolysis reaction, and the concentration of the residual chlorine in the effluent is monitored after the hydrolysis reaction. And if the residual chlorine value monitored by the residual chlorine monitoring equipment on the effluent reaches the standard, supplying the effluent for a user side.
Furthermore, a fourth valve for controlling the flow of the finished sodium hypochlorite solution is arranged on the discharging pipeline at the feeding end of the discharging pump, the finished sodium hypochlorite solution online dilution dosing system further comprises a first backwashing system, the first backwashing system comprises a second water inlet pipeline and a fifth valve, the second water inlet pipeline is communicated to the discharging pipeline between the discharging pump and the fourth valve, the fifth valve is arranged on the second water inlet pipeline, when the first backwashing system is closed, the fifth valve is closed, and the fourth valve is opened; when the first backwashing system is started, the fourth valve is closed, the fifth valve is opened, and the second water inlet pipeline inputs water to the discharging pump, the discharging pipeline and the mixing device to realize cleaning. The fourth valve is preferably a ball valve and the fifth valve is preferably an electrically operated valve.
Further, the third valve is arranged on the feeding pipeline at the feeding end of the feeding pump, the finished sodium hypochlorite solution online dilution feeding system further comprises a second backwashing system, the second backwashing system comprises a third water inlet pipeline and a sixth valve, the third water inlet pipeline is communicated to the feeding pipeline between the third valve and the feeding pump, the sixth valve is arranged on the third water inlet pipeline, when the second backwashing system is closed, the sixth valve is closed, and the third valve is opened; when the second backwashing system is started, the third valve is closed, the sixth valve is opened, and the third water inlet pipeline inputs water to the feeding pump and the feeding pipeline to realize cleaning. The sixth valve preferably uses an electrically operated valve.
The control module is used for respectively controlling the operation of the online dilution proportioning system, the storage system and the metering dosing system, the remote network control system is in electric signal connection with the control module, and the remote network control system comprises a receiving end which is used for receiving signals sent by the control module so as to monitor the operation states of the online dilution proportioning system, the storage system and the metering dosing system.
According to the scheme, the first backflushing system and the second backflushing system preferably use a control electric cabinet, at least electric components such as an electricity-receiving switch, a contactor and a time controller are installed in the control electric cabinet, the first valve, the second valve, the first flowmeter and the sixth flowmeter can be controlled through the related electric components, the flow rate, the closing and the opening of the corresponding pipelines are further controlled, in addition, the fifth valve on the second water inlet pipeline and the sixth valve on the third water inlet pipeline are controlled through the time controller, and the cleaning time of water supply of the plant area water supply system to equipment and pipelines is further determined.
The invention has the beneficial effects that: this finished product sodium hypochlorite solution dilutes dosing system on line includes dilutes proportioning system, storage system and measurement dosing system on line, dilute proportioning system on line is used for unloading of finished product sodium hypochlorite solution, and will finished product sodium hypochlorite solution mixes with water with a certain proportion and dilutes into and dilutes sodium hypochlorite solution. Storage system and online dilution proportioning system are linked together and store dilute sodium hypochlorite solution to set up overflow and the liquid level of monitoring facilities subassembly monitoring dilute sodium hypochlorite solution. And the metering and feeding system is communicated with the storage system, calculates the amount of the diluted sodium hypochlorite solution to be fed according to the monitoring data of the effective chlorine monitoring device and the residual chlorine monitoring equipment, and feeds the diluted sodium hypochlorite solution with required amount.
This scheme can go on in step with unloading and dilution ratio of finished product sodium hypochlorite solution, to the storage monitoring of diluting sodium hypochlorite solution, automatic throwing and equipment pipeline washs, and communication connection remote control system still, at the running state of this system of high in the clouds remote monitoring, in time inspect the trouble and with alarm signal transmission to receiving terminal, effective control system's normal operating.
Drawings
FIG. 1 is a schematic diagram of a system control flow according to the present invention;
FIG. 2 is a schematic diagram of a control module of the system of the present invention.
In the figure of the invention: 1-online dilution proportioning system, 11-unloading module, 12-proportioning module, 13-automatic backwashing module, 2-storage system, 21-storage equipment, 22-leakage point monitoring device, 23-liquid level control device, 3-metering and adding system, 31-metering and adding equipment, 32-dosing point, 4-remote network control system, 5-first backwashing system, 6-second backwashing system, 011-first valve, 012-second valve, 013-third valve, 014-fourth valve, 015-fifth valve, 016-sixth valve, 021-first flowmeter, 022-second flowmeter, 031-concentration monitoring device, 032-effective chlorine monitoring device and 041-filter.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The terms first, second, third, fourth and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The invention provides an on-line dilution and addition system for a finished sodium hypochlorite solution, which comprises an on-line dilution proportioning system 1, a storage system 2 and a metering and addition system 3, wherein the on-line dilution proportioning system 1 is used for discharging the finished sodium hypochlorite solution and mixing and diluting the finished sodium hypochlorite solution and water in a certain proportion into a diluted sodium hypochlorite solution, as shown in figures 1-2. Storage system 2 with online dilution ratio system 1 is linked together and includes monitoring facilities subassembly and at least a storage device 21, storage device 21 is used for the storage dilute sodium hypochlorite solution, the monitoring facilities subassembly monitors at least overflow and the liquid level of dilute sodium hypochlorite solution. Measurement dosing system 3 with storage system 2 is linked together and includes an effective chlorine monitoring devices 032 and at least one measurement dosing apparatus 31, effective chlorine monitoring devices 032 monitors and throws before throwing the effective chlorine concentration of dilution sodium hypochlorite solution, measurement dosing apparatus 31 acquires the residual chlorine concentration of water and according to the monitoring data of effective chlorine monitoring devices 032, calculates and need to throw the volume of dilution sodium hypochlorite solution, and with required volume dilution sodium hypochlorite solution is thrown and is thrown.
According to the above scheme and expressed in conjunction with the drawings, the following preferred embodiment is described in detail:
first embodiment
In actual operation, a solution tank truck for transporting the finished sodium hypochlorite solution enters a factory firstly and is in butt joint with the online dilution proportioning system 1, the online dilution proportioning system 1 comprises a proportioning module 12 and at least one unloading module 11 which are communicated, the at least one unloading module 11 comprises an unloading pipeline and at least one unloading pump arranged on the unloading pipeline, the proportioning module 12 comprises a mixing device and a first water inlet pipeline, and the mixing device is communicated with the unloading pipeline and the water inlet pipeline. Specifically, the solution tank wagon is driven into and is used the soft sleeve pipe cover to connect after the appointed position in factory to unload module 11, or say, cup joint and to unload the interface of pump or the inlet pipe end of pump, give it infuses to unload the pump finished product sodium hypochlorite solution, just the inlet pipe is equipped with control on the road the fourth valve 014 of finished product sodium hypochlorite solution flow, the ball valve is preferably used to fourth valve 014, it has a plurality of tables to be the parallel mode and arranges to unload the pump.
The proportioning module 12 is used for mixing the finished sodium hypochlorite solution and clear water, so that the finished sodium hypochlorite solution is proportioned and diluted. Specifically, the discharge pump inputs the finished sodium hypochlorite solution to the mixing device through the discharge pipeline, and the flow of the finished sodium hypochlorite solution is controlled by the fourth valve 014 during the delivery process of the discharge pipeline. Meanwhile, the finished sodium hypochlorite solution online dilution and addition system further comprises a first backflushing system 5 and a second backflushing system 6, wherein the first backflushing system 5 comprises a second water inlet pipeline and a fifth valve 015, an electric valve is preferably used for the fifth valve 015, the second backflushing system 6 comprises a third water inlet pipeline and a sixth valve 016, and an electric valve is preferably used for the sixth valve 016. A plant area water supply system is arranged in the plant area and is communicated with the unloading module 11 and the proportioning module 12, the plant area water supply system supplies water through the second water inlet pipeline, the second water inlet pipeline is communicated to the unloading pump and the unloading pipeline between the fourth valves 014, and the second water inlet pipeline further inputs clean water to the unloading pump and the mixing device. Specifically, when the discharge pump discharges, a first flowmeter 021 for displaying the flow rate of the finished sodium hypochlorite solution and a first valve 011 for controlling the flow rate of the finished sodium hypochlorite solution are arranged on the discharge pipeline, and a second flowmeter 022 for displaying the water flow rate and a second valve 012 for controlling the water flow rate are arranged on the water inlet pipeline when the plant water supply system supplies clear water, so that the delivered discharge amount and the clear water amount are accurately controlled, and the proportion and the dilution numerical value of the finished sodium hypochlorite solution are more accurate.
And after the unloading pump and the mixing device finish the unloading and proportioning dilution work of the finished sodium hypochlorite solution, the factory water supply system cleans the unloading pump, the mixing device and related pipelines. Specifically, the first valve 011 and the first flowmeter 021 on the discharging pipeline for discharging and proportioning dilution of the finished sodium hypochlorite solution, the second valve 012 and the second flowmeter 022 on the first water inlet pipeline, and the fifth valve 015 on the second water inlet pipeline are controlled by the first backflushing system 5, and the first backflushing system 5 preferably uses a control electric cabinet. The control electric cabinet is at least provided with electric components such as an electric switch, a contactor, a time controller and the like, and the actions of the first valve 011, the second valve 012, the fifth valve 015, the first flowmeter 021 and the second flowmeter 022 can be controlled through the related electric components. Specifically, the control cabinet controls to open the second valve 012, after the second valve 012 is opened, the first water inlet pipeline is communicated with the mixing device, the supply water of the plant water supply system is used for proportioning and diluting the diluted sodium hypochlorite solution, and if the second valve 012 is closed, the supply of the water is stopped. And if the fourth valve 014 is controlled to be closed by the control cabinet, the unloading action is stopped, then the fifth valve 015 is controlled to be opened by the control cabinet, the second water inlet pipeline is communicated with the unloading pump and the mixing device, the plant water supply system supplies water for cleaning equipment and pipelines, and if the fifth valve 015 is closed, the water supply is stopped.
Online dilution ratio system 1 with storage system 2 is linked together, storage system 2 includes monitoring facilities subassembly and at least one storage device 21, storage device 21 is used for storing dilute sodium hypochlorite solution, the monitoring facilities subassembly monitors at least to store in storage device 21 overflow and the liquid level of dilute sodium hypochlorite solution. Specifically, mixing arrangement dilutes the good dilution sodium hypochlorite solution of ratio and carries extremely through the feed liquor pipeline storage device stores, or said, dilution sodium hypochlorite solution stores in the storage tank that sets up on the feed liquor pipeline, the storage tank is equipped with a plurality of and is the parallel mode and arranges, be equipped with concentration monitoring device 031 on the feed liquor pipeline, concentration monitoring device 031 monitoring process the mixing arrangement ratio dilutes the concentration of back dilution sodium hypochlorite solution.
The monitoring facilities subassembly is located on at least a storage facilities 21, the monitoring facilities subassembly is including leak source monitoring devices 22 and liquid level control device 23, leak source monitoring devices 22 can preferentially select for use be fit for detecting whether the storage tank damages with dilute sodium hypochlorite solution has the sensor that overflows the storage tank, if have, then send alarm signal to a receiving terminal, let fortune dimension personnel handle the very first time. The liquid level control device 23 preferably uses an online level meter for monitoring whether the diluted sodium hypochlorite solution in the storage tank is higher than a set level value, and if so, the discharging pump is stopped to continuously input the diluted sodium hypochlorite solution so as to avoid excessive overflow and waste.
The storage tank is communicated with the metering and feeding equipment 31, and the metering and feeding equipment 31 comprises a feeding pipeline and at least one feeding pump arranged on the feeding pipeline. Specifically, the storage tank passes through it communicates to add the feeder line throw with the pump, it is equipped with a plurality of platforms and is the parallel mode and arranges to throw with the pump to it delivers to add the feeder line dilute sodium hypochlorite solution, the storage tank liquid outlet sets up third valve 013 and effective chlorine monitoring devices 032, or exactly it throws the on-line monitoring of throwing with the monitoring and adds the on-line effective chlorine monitoring devices 032 of dilute sodium hypochlorite solution concentration, and be equipped with the control on the feeder line dilute sodium hypochlorite solution flow's third valve 013.
It receives to add the pump after the storage tank carries the dilute sodium hypochlorite solution of coming, at least one is added the pump and is linked up at least one dosing point 32, will dilute sodium hypochlorite solution add to dosing point 32, dosing point 32 is including adding the medicine pipeline, dosing point is equipped with a plurality of and is the parallel mode and arranges. Specifically, at least one dosing point 32 communicates one or two and more respectively at least the pump of throwing, the pump process of throwing the medicine pipeline will dilute sodium hypochlorite solution and carry to each dosing point 32, then the dosing point 32 dilute sodium hypochlorite solution takes place hydrolysis with the raw water, and water after hydrolysis is monitored through chlorine residue monitoring facilities, or said, water after hydrolysis carries out chlorine residue value monitoring through chlorine residue analyzer, if the chlorine residue value of monitoring is up to standard, then will water supply user uses.
Throw the pump will dilute sodium hypochlorite solution and throw and finish the back, because throw the factory water supply system that the pump intercommunication supplied clear water, factory water supply system passes through the third inlet tube way to it is used for cleaning equipment and pipeline to throw pump supply water, just be equipped with control on the third inlet tube way an at least sixth valve 016 of discharge. Specifically, the plant water supply system is communicated to the dosing pipeline through a third water inlet pipeline, so as to clean the equipment and the pipeline of the metering dosing system 3, the second backwashing system, or the control cabinet, controls to close the third valve 013 and stops conveying the diluted sodium hypochlorite solution stored in the storage tank, the control cabinet controls to open the sixth valve 016, the plant water supply system supplies water through the third water inlet pipeline to clean the equipment and the pipeline, and if the sixth valve 016 is closed, the supply of water is stopped. When the equipment and the pipeline of the metering and adding system 3 are cleaned, preferably, the cleaning work of the equipment and the pipeline is carried out when the standby metering and adding equipment is started, the sixth valve 016 is opened by starting linkage when the standby metering and adding equipment is switched to be used, and the water inlet pipeline is communicated with the adding pump, the adding pipeline and the adding pipeline to supply clear water for cleaning. In consideration of the problem of impurities in the process of delivering the diluted sodium hypochlorite solution or the clear water, the feeding pipeline is further provided with a filter 041, so that the water inlet pipeline should be connected to a section of the feeding pipeline in front of the filter to filter the input clear water. In addition, a time control module is further arranged in the control cabinet, and the time control module is preferably connected with the fifth valve 015 and the sixth valve 016 so as to control the cleaning time of the pipeline and equipment in the online dilution proportioning system 1 and the metering and adding system 3.
The online dilution dosing system further comprises a control module and a remote network control system 4, wherein the control module controls the online dilution proportioning system, the storage system 2 and the metering dosing system 3 to operate respectively, the remote network control system 4 is in electric signal connection with the control module, and the remote network control system 4 comprises a receiving end for receiving a signal sent by the control module to monitor the online dilution proportioning system, the storage system 2 and the running state of the metering dosing system 3. Specifically, the cloud end of the remote network control system 4 remotely monitors the running state of the online dilution dosing system, checks faults and feeds the monitored signals back to the receiving end. Except that the monitoring of user's accessible cell-phone APP end realization system running state, under the open port condition, the supplier can carry out remote monitoring system's running state at the high in the clouds, in time checks the trouble, and with alarm signal transmission to operation and maintenance personnel for the operation and maintenance personnel know the running condition of system the very first time, and make corresponding treatment, effectively ensure system normal operating work.
The storage tank is provided with an air pipeline communicated with the outside, after the storage tank is communicated with the air pipeline, the storage tank and the outside air pressure are kept in a relatively balanced state, and meanwhile, the air pipeline can timely discharge the gas generated by decomposing the diluted sodium hypochlorite solution stored in the storage tank to the outside.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (12)
1. The on-line dilution proportioning system is used for unloading the finished sodium hypochlorite solution and mixing and diluting the finished sodium hypochlorite solution and water in a certain proportion into a diluted sodium hypochlorite solution;
the storage system is communicated with the online dilution proportioning system and comprises at least one storage device, and the storage device is used for storing the diluted sodium hypochlorite solution;
the metering and feeding system is communicated with the storage system and comprises an effective chlorine monitoring device and at least one metering and feeding device, the effective chlorine monitoring device monitors the effective chlorine concentration of the diluted sodium hypochlorite solution before feeding, the metering and feeding device acquires the residual chlorine concentration of effluent and calculates the amount of the diluted sodium hypochlorite solution to be fed according to the monitoring data of the effective chlorine monitoring device, and the amount of the diluted sodium hypochlorite solution to be fed is required.
2. The on-line dilution and addition system for finished sodium hypochlorite solution as claimed in claim 1, wherein the on-line dilution and proportioning system comprises at least one unloading module and a proportioning module which are communicated with each other, the at least one unloading module is used for outputting the finished sodium hypochlorite solution and inputting the finished sodium hypochlorite solution to the proportioning module, and the proportioning module is used for diluting the input finished sodium hypochlorite solution;
at least one module of unloading is including the pipeline of unloading and locating an at least unloading pump on the pipeline of unloading, the ratio module includes a mixing arrangement and a first inlet channel, the mixing arrangement with the pipeline of unloading reaches first inlet channel intercommunication, the pipeline of unloading is to the mixing arrangement input finished product sodium hypochlorite solution, first inlet channel is to the mixing arrangement input water, the mixing arrangement is used for mixing finished product sodium hypochlorite solution reaches water, thereby the ratio dilutes finished product sodium hypochlorite solution.
3. The on-line dilution and feeding system for sodium hypochlorite solution as claimed in claim 2, wherein said at least one discharge pump is disposed in parallel, said discharge pipeline is provided with a first flow meter for displaying the flow rate of said sodium hypochlorite solution and a first valve for controlling the flow rate of said sodium hypochlorite solution, and said first water inlet pipeline is provided with a second flow meter for displaying the flow rate and a second valve for controlling the flow rate.
4. The on-line dilution and addition system for a finished sodium hypochlorite solution as claimed in claim 1, wherein the storage system further comprises a monitoring equipment assembly, the monitoring equipment assembly at least comprises a leak source monitoring device, a liquid level control device and a concentration monitoring device;
the leakage point monitoring device monitors whether leakage points exist in the at least one storage device or whether the diluted sodium hypochlorite solution overflows, and if yes, an alarm signal is sent to a receiving end or the input of the online dilution proportioning system is stopped;
the liquid level control device monitors whether the diluted sodium hypochlorite solution in the at least one storage device is higher than a set liquid level value or not, and if so, the input of the online dilution proportioning system is stopped; the concentration monitoring device monitors the concentration of the diluted sodium hypochlorite solution before being input into the storage equipment.
5. The on-line dilution and feeding system for sodium hypochlorite solution finished products according to claim 1, wherein the at least one storage device is arranged in parallel, each storage device comprises a liquid inlet pipeline, a gas pipeline and a storage tank, the liquid inlet pipeline is communicated with the mixing device to the storage tank, the liquid inlet pipeline is used for conveying diluted sodium hypochlorite solution with a certain ratio to the storage tank, and the gas pipeline is communicated with the storage tank to the outside.
6. The on-line dilution and addition system for finished sodium hypochlorite solution as claimed in claim 5, wherein the storage system comprises a concentration monitoring device, and the concentration monitoring device is arranged on the liquid inlet pipeline and is used for monitoring the concentration of the diluted sodium hypochlorite solution after proportioning dilution.
7. The on-line dilution and feeding system for sodium hypochlorite solution as finished product of claim 1, wherein the metering and feeding equipment comprises a feeding pipeline and at least one feeding pump arranged on the feeding pipeline, the feeding pipeline is communicated with the storage tank and the feeding pump, and the feeding pump conveys the diluted sodium hypochlorite solution to a dosing point.
8. The system for online dilution and addition of a finished sodium hypochlorite solution as claimed in claim 7, wherein the at least one addition pump is arranged in parallel, the active chlorine monitoring device is disposed on the addition pipeline, and a third valve for controlling the flow rate of the diluted sodium hypochlorite solution and a filter for filtering the diluted sodium hypochlorite solution are disposed on the addition pipeline in front of each addition pump.
9. The on-line dilution and feeding system for a finished sodium hypochlorite solution as claimed in claim 7, wherein at least one feeding pump corresponds to one feeding point, the diluted sodium hypochlorite solution fed by the feeding point and raw water undergo a hydrolysis reaction, and the residual chlorine concentration of the effluent is monitored after the hydrolysis reaction.
10. The on-line dilution and addition system for finished sodium hypochlorite solution as claimed in claim 2, wherein a fourth valve for controlling the flow rate of the finished sodium hypochlorite solution is arranged on the discharge pipeline at the feed end of the discharge pump, the on-line dilution and addition system for finished sodium hypochlorite solution further comprises a first back-washing system, the first back-washing system comprises a second water inlet pipeline and a fifth valve, the second water inlet pipeline is communicated to the discharge pipeline between the discharge pump and the fourth valve, and the fifth valve is arranged on the second water inlet pipeline;
when the first backwashing system is closed, the fifth valve is closed, the fourth valve is opened, when the first backwashing system is started, the fourth valve is closed, the fifth valve is opened, and the second water inlet pipe inputs water to the discharge pump, the discharge pipeline and the mixing device so as to realize cleaning.
11. The on-line dilution dosing system for finished sodium hypochlorite solution as claimed in claim 8, wherein said third valve is disposed on said dosing pipeline at the feeding end of said dosing pump, said on-line dilution dosing system for finished sodium hypochlorite solution further comprises a second back-flushing system, said second back-flushing system comprises a third water inlet pipeline and a sixth valve, said third water inlet pipeline is connected to said dosing pipeline between said third valve and said dosing pump, and said sixth valve is disposed on said third water inlet pipeline;
when the second backwashing system is closed, the sixth valve is closed, the third valve is opened, when the second backwashing system is started, the third valve is closed, the sixth valve is opened, and the third water inlet pipeline inputs water to the feeding pump and the feeding pipeline to realize cleaning.
12. The system for online dilution and addition of a finished sodium hypochlorite solution according to claim 1, further comprising a control module and a remote network control system, wherein the control module respectively controls the operations of the online dilution proportioning system, the storage system and the metering and addition system, the remote network control system is in electrical signal connection with the control module, and the remote network control system comprises a receiving end for receiving a signal sent by the control module so as to monitor the operation states of the online dilution proportioning system, the storage system and the metering and addition system.
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| CN202010559770.5A CN113813807A (en) | 2020-06-18 | 2020-06-18 | Finished product sodium hypochlorite solution dilutes dosing system on line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010559770.5A CN113813807A (en) | 2020-06-18 | 2020-06-18 | Finished product sodium hypochlorite solution dilutes dosing system on line |
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| CN113813807A true CN113813807A (en) | 2021-12-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114699985A (en) * | 2022-03-31 | 2022-07-05 | 神华准格尔能源有限责任公司 | Aqueous solution preparation method, apparatus and computer readable storage medium |
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| CN205773579U (en) * | 2016-07-05 | 2016-12-07 | 河南智慧水务有限公司 | Sodium hypochlorite medicine adding device |
| CN207641424U (en) * | 2017-11-30 | 2018-07-24 | 江苏云瑞环境科技股份有限公司 | Hypochlorite generator's brine dilution device |
| CN111233112A (en) * | 2020-02-19 | 2020-06-05 | 重庆昕晟环保科技有限公司 | Secondary water supply intelligent chlorine supplementing disinfection system and chlorine supplementing method |
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| CN205773579U (en) * | 2016-07-05 | 2016-12-07 | 河南智慧水务有限公司 | Sodium hypochlorite medicine adding device |
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