CN221235217U - Sodium hypochlorite adding system for sewage treatment - Google Patents
Sodium hypochlorite adding system for sewage treatment Download PDFInfo
- Publication number
- CN221235217U CN221235217U CN202322945310.8U CN202322945310U CN221235217U CN 221235217 U CN221235217 U CN 221235217U CN 202322945310 U CN202322945310 U CN 202322945310U CN 221235217 U CN221235217 U CN 221235217U
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- CN
- China
- Prior art keywords
- sewage treatment
- liquid
- sodium hypochlorite
- liquid storage
- level sensor
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- 239000010865 sewage Substances 0.000 title claims abstract description 64
- 239000005708 Sodium hypochlorite Substances 0.000 title claims abstract description 39
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 103
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000012546 transfer Methods 0.000 claims description 14
- 238000012372 quality testing Methods 0.000 claims description 4
- 238000001802 infusion Methods 0.000 abstract description 19
- 239000000243 solution Substances 0.000 description 19
- 239000003814 drug Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003139 biocide Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- UMFJAHHVKNCGLG-UHFFFAOYSA-N n-Nitrosodimethylamine Chemical compound CN(C)N=O UMFJAHHVKNCGLG-UHFFFAOYSA-N 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
Abstract
The utility model discloses a sodium hypochlorite feeding system for sewage treatment, which comprises a sewage treatment tank, a water quality detection device, a control device, a first liquid storage tank and a second liquid storage tank, wherein a first liquid level sensor and a second liquid level sensor are respectively arranged in the first liquid storage tank and the second liquid storage tank, a liquid outlet of the first liquid storage tank is connected with a first infusion pipe, a first electric control valve and a first metering pump are arranged on the first infusion pipe, a second infusion pipe is connected with a liquid outlet of the second liquid storage tank, a second electric control valve and a second metering pump are arranged on the second infusion pipe, the first infusion pipe is connected with a liquid inlet of a main infusion pipe after being connected with the second infusion pipe, the liquid outlet of the main infusion pipe is arranged in the sewage treatment tank, and the water quality detection device, the first liquid level sensor, the second liquid level sensor, the first electric control valve, the first metering pump, the second electric control valve and the second metering pump are electrically connected with the control device. Improves the accuracy of the adding amount of sodium hypochlorite and ensures the quality of sewage treatment.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a sodium hypochlorite feeding system for sewage treatment.
Background
Sewage treatment refers to the process of purifying sewage to meet the water quality requirement of being discharged into a certain water body or reused. The disinfectant commonly used in sewage treatment is a high-efficiency, broad-spectrum and safe powerful sterilizing and virus killing agent, has no potential safety hazards of liquid chlorine, chlorine dioxide and other agents, has a sterilizing effect which is recognized as being equivalent to that of chlorine, is a relatively stable and reliable biocide, and is gradually popularized and used in sewage treatment plants at present. However, low-dose sodium hypochlorite addition cannot completely inactivate microorganisms; excessive sodium hypochlorite is added to make residual chlorine enter natural water to form disinfection byproducts such as trihalomethane, haloacetic acid, N-nitroso-methane (NDMA) and the like.
At present, sodium hypochlorite is mainly added quantitatively, namely, the chemical is quantitatively added into sewage through a chemical adding device, but the mode is often subjected to the condition of chemical adding lag, so that the chemical in the sewage is excessive or insufficient, the chemical is wasted when the chemical is excessive, the operation cost is increased, the quality of the discharged water is not up to standard easily due to the insufficient operation cost, and the sewage treatment effect is affected.
Disclosure of utility model
The utility model provides a sodium hypochlorite adding system for sewage treatment, which can automatically add sodium hypochlorite medicament and ensure stable and standard-reaching drainage.
The utility model provides a sodium hypochlorite dosing system for sewage treatment, includes sewage treatment pond and locates the water quality testing device in the sewage treatment pond, still includes controlling means and is used for storing sodium hypochlorite solution's first liquid storage pot and second liquid storage pot be provided with first level sensor, second liquid level sensor in first liquid storage pot, second liquid storage pot respectively, be connected with first transfer line on the liquid outlet of first liquid storage pot, be provided with first automatically controlled valve and first metering pump on the first transfer line be connected with the second transfer line on the liquid outlet of second liquid storage pot, be provided with second automatically controlled valve and second metering pump on the second transfer line, first transfer line links to each other with the inlet of infusion house steward after linking to each other with the second transfer line, the liquid outlet of infusion house steward is located in the sewage treatment pond, water quality testing device, first level sensor, second liquid level sensor, first automatically controlled valve, second automatically controlled valve and second are all with controlling means electricity is connected.
Further, the control device comprises a control module, a signal input end group of the control module is connected with the water quality detection device, the first liquid level sensor and the second liquid level sensor, and a signal output end group of the control module is connected with the first electric control valve, the first metering pump and the second electric control valve and the second metering pump.
Further, the control module is also connected with a touch display module and an alarm module.
Furthermore, the sewage treatment tank is also connected with a water inlet pipe and a water outlet pipe, the water inlet pipe is provided with a water inlet pump and a water inlet valve, the water outlet pipe is provided with a water discharging pump and a water discharging valve, and the water inlet pump, the water inlet valve, the water discharging pump and the water discharging valve are all electrically connected with the control device.
Further, a third liquid level sensor is arranged in the sewage treatment tank.
Further, the water quality detection device comprises at least one group of pH value detection sensors and at least one group of conductivity detection sensors.
Further, a liquid outlet of the transfusion main pipe is connected with a uniformly-mixed slow-release box.
The beneficial effects are that:
1. The water quality detection device is arranged in the sewage treatment tank, the water quality of sewage in the sewage treatment tank is detected by the water quality detection device, and the metering pump is controlled to pump sodium hypochlorite solution into the sewage treatment tank according to the detected data, so that the accuracy of sodium hypochlorite addition is improved, and the quality of sewage treatment is improved;
2. The liquid level sensor is used for detecting the liquid level of sodium hypochlorite solution in the liquid outlet pipe so as to adjust the discharge amount of the metering pump and ensure stable addition amount;
3. The water quality conductivity, the PH value and the liquid level sensor of the sewage are used for on-line monitoring the liquid level of the sodium hypochlorite solution through the water quality detection device, and the opening and closing states of the electric control valve are controlled to make the most effective and timely action, so that the full-automatic adding of the sodium hypochlorite solution is realized;
4. Two liquid storage tanks are arranged and corresponding electric control valves are adopted for medicament adding control, so that alternating continuous medicament adding is realized, and the sewage treatment efficiency is ensured.
Drawings
FIG. 1 is a diagram of a piping structure of the present utility model;
Fig. 2 is a control schematic block diagram of the present utility model.
Detailed Description
The utility model is further described below with reference to examples and figures.
As shown in fig. 1, the sodium hypochlorite feeding system for sewage treatment comprises a sewage treatment tank 1, a water quality detection device 2, a control device 3, a first liquid storage tank 4 and a second liquid storage tank 5 which are arranged in the sewage treatment tank 1, wherein the first liquid storage tank 4 and the second liquid storage tank 5 for storing sodium hypochlorite solution are also connected with a water inlet pipe 22 and a water outlet pipe 15, a water inlet pump 16 and a water inlet valve 17 are arranged on the water inlet pipe 22, a water discharge pump 18 and a water discharge valve 19 are arranged on the water outlet pipe 15, and a third liquid level sensor 20 is also arranged in the sewage treatment tank 1;
A first liquid level sensor 6 and a second liquid level sensor 7 are respectively arranged in the first liquid storage tank 4 and the second liquid storage tank 5 to detect the liquid level of sodium hypochlorite solution in the first liquid storage tank 4 and the second liquid storage tank 5 respectively, a first infusion pipe 8 is connected to a liquid outlet of the first liquid storage tank 4, a first electric control valve 9 and a first metering pump 10 are arranged on the first infusion pipe 8, a second infusion pipe 11 is connected to a liquid outlet of the second liquid storage tank 5, a second electric control valve 12 and a second metering pump 13 are arranged on the second infusion pipe 11, the first infusion pipe 8 is connected with a liquid inlet of an infusion main pipe 14 after being connected with the second infusion pipe 11 so as to input the sodium hypochlorite solution output by the first liquid storage tank 4 or the second liquid storage tank 5 into a sewage treatment tank 1, a liquid outlet of the infusion main pipe 14 is arranged in the sewage treatment tank 1, a mixing slow release box 21 is connected to a liquid outlet of the first infusion pipe 14, and the mixing slow release box 21 is arranged so that the added sewage can be mixed with the sewage with the chlorine solution in a high concentration mode and the chlorine solution in a stable and a slow release effect can be achieved;
The water quality detection device 2, the first liquid level sensor 6, the second liquid level sensor 7, the first electric control valve 9, the first metering pump 10, the second electric control valve 12, the second metering pump 13, the water inlet pump 16, the water inlet valve 17, the drainage pump 18, the drainage valve 19 and the third liquid level sensor 20 are all electrically connected with the control device 3.
In this example, the water quality detecting device 2 includes at least one set of pH detecting sensors and at least one set of conductivity detecting sensors.
Referring to fig. 2, the control device 3 includes a control module, a signal input end group of the control module is connected with the water quality detection device 2, the first liquid level sensor 6, the second liquid level sensor 7 and the third liquid level sensor 20, a signal output end group of the control module is connected with the first electric control valve 9, the first metering pump 10, the second electric control valve 12, the second metering pump 13, the water inlet pump 16, the water inlet valve 17, the water discharge pump 18 and the water discharge valve 19, and a touch display module and an alarm module are also connected to the control module, wherein the touch display module is used for inputting and displaying corresponding parameters of a medicament adding process and a sewage treatment process, such as conductivity, PH value, start-stop of the metering pump and system operation condition; and can set automatic dosing parameters such as dosing frequency, valve action data, water quality inspection interval frequency and the like according to a self water system. The alarm module is used for sending an alarm signal when the water quality detection device 2 detects that the pH value is lower than a preset threshold value and the measured conductivity is higher than the preset threshold value, and also used for alarming when the liquid level of the medicament is too low to remind timely dosing.
Working principle:
The control module opens the water inlet pump 16 and the water inlet valve 17 to inject the sewage to be treated into the sewage treatment tank 1, and the drainage pump 18 and the drainage valve 19 are in a closed state at the moment;
The third liquid level sensor 20 uploads the sewage liquid level data in the sewage treatment tank 1 detected in real time to a control module of the control device 3, and after the designed liquid level is reached, the water inlet pump 16 and the water inlet valve 17 are closed;
The control module can calculate the quantity of sewage to be treated according to the sewage liquid level data in the sewage treatment tank 1, and calculate the adding quantity of sodium hypochlorite solution according to the liquid level of the sodium hypochlorite solution stored in the first liquid storage tank 4 or the second liquid storage tank 5 (the default is the stored sodium hypochlorite stock solution with a certain concentration, the concentration value is input through the touch display module), so as to control the opening of the first electric control valve 9 and the first metering pump 10 or the second electric control valve 12 and the second metering pump 13, and convey the sodium hypochlorite solution with the required adding quantity into the sewage treatment tank 1 for treating the sewage;
the water quality detection device 2 detects the water quality of the sewage in real time, and uploads the detected water quality conductivity and PH value in the sewage treatment tank 1 to a control module of the control device 3, and when the control module judges that the water quality reaches the standard, the water inlet pump 16 and the water inlet valve 17 are started to discharge the sewage;
in the process, the first liquid level sensor 6 and the second liquid level sensor 7 upload the detected liquid levels of the sodium hypochlorite solution in the first liquid storage tank 4 and the second liquid storage tank 5 to the control module of the control device 3, when the sodium hypochlorite solution in the first liquid storage tank 4 or the second liquid storage tank 5 reaches the protection liquid level, the control module sends a control signal to close the corresponding electric control valve and the metering pump, so that the reagent supply between the first liquid storage tank 4 and the second liquid storage tank 5 is switched, and an alarm signal is sent to remind a worker to add the sodium hypochlorite solution.
Through the embodiment, the system not only can accurately control the discharge amount of the metering pump, ensure stable addition amount, improve the accuracy of the addition amount of the sodium hypochlorite solution and improve the quality of sewage treatment; the water quality conductivity, the PH value and the liquid level sensor of the sewage are used for on-line monitoring the liquid level of the sodium hypochlorite solution through the water quality detection device, and the opening and closing states of the electric control valve are controlled so as to make the most effective and timely action, so that the full-automatic adding of the sodium hypochlorite solution is realized; finally, the first liquid storage tank 4 and the second liquid storage tank 5 are arranged, and the corresponding first electric control valve 9, the first metering pump 10, the second electric control valve 12 and the second metering pump 13 are adopted for medicament adding control, so that alternate continuous medicament adding is realized, and the sewage treatment efficiency is ensured.
Finally, it should be noted that the above description is only a preferred embodiment of the present utility model, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (7)
1. The utility model provides a sodium hypochlorite feeding system for sewage treatment, includes sewage treatment pond (1) and locates water quality testing device (2) in sewage treatment pond (1), its characterized in that still includes controlling means (3) and is used for storing first liquid storage pot (4) and second liquid storage pot (5) of sodium hypochlorite solution first liquid storage pot (4), second liquid storage pot (5) are provided with first liquid level sensor (6), second liquid level sensor (7) respectively, be connected with first transfer line (8) on the liquid outlet of first liquid storage pot (4), be provided with first automatically controlled valve (9) and first measuring pump (10) on first transfer line (8) be connected with second transfer line (11) on the liquid outlet of second liquid storage pot (5), be provided with second automatically controlled valve (12) and second measuring pump (13) on second transfer line (11), link to each other with the inlet of main pipe (14) after first liquid storage pot (8) and second transfer line (11), be connected with first transfer line (14), be provided with first automatically controlled valve (9) and first measuring pump (10) on the liquid outlet of second liquid storage pot (5), first transfer line (7), water quality testing device (1), second transfer line (10) are located in the liquid level sensing device (1) The second electric control valve (12) and the second metering pump (13) are electrically connected with the control device (3).
2. The sodium hypochlorite dosing system for sewage treatment according to claim 1, wherein the control device (3) comprises a control module, a signal input end group of the control module is connected with the water quality detection device (2), the first liquid level sensor (6) and the second liquid level sensor (7), and a signal output end group of the control module is connected with the first electric control valve (9), the first metering pump (10) and the second electric control valve (12) and the second metering pump (13).
3. The sodium hypochlorite dosing system for sewage treatment according to claim 2, wherein the control module is further connected with a touch display module and an alarm module.
4. The sodium hypochlorite dosing system for sewage treatment according to claim 1, wherein the sewage treatment tank (1) is further connected with a water inlet pipe (22) and a water outlet pipe (15), the water inlet pipe (22) is provided with a water inlet pump (16) and a water inlet valve (17), the water outlet pipe (15) is provided with a water outlet pump (18) and a water outlet valve (19), and the water inlet pump (16), the water inlet valve (17), the water outlet pump (18) and the water outlet valve (19) are all electrically connected with the control device (3).
5. The sodium hypochlorite dosing system for sewage treatment according to claim 1 or 4, characterized in that a third liquid level sensor (20) is also provided in the sewage treatment tank (1).
6. The sodium hypochlorite dosing system for sewage treatment according to claim 1, wherein the water quality detection device (2) comprises at least one set of pH detection sensors and at least one set of conductivity detection sensors.
7. The sodium hypochlorite addition system for sewage treatment according to claim 1, wherein a mixing slow-release tank (21) is connected to the liquid outlet of the liquid delivery manifold (14).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221235217U true CN221235217U (en) | 2024-06-28 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |