CN212222753U - Device for judging biological agent synergistic oxidation method end point based on ORP potential - Google Patents
Device for judging biological agent synergistic oxidation method end point based on ORP potential Download PDFInfo
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- CN212222753U CN212222753U CN202020715687.8U CN202020715687U CN212222753U CN 212222753 U CN212222753 U CN 212222753U CN 202020715687 U CN202020715687 U CN 202020715687U CN 212222753 U CN212222753 U CN 212222753U
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Abstract
The utility model discloses a device for judging the endpoint of a biological agent synergistic oxidation method based on ORP potential, which belongs to the application field of wastewater treatment engineering, and comprises a treatment system, a dosing system and an automatic control system; the treatment system comprises a reaction vessel and an ORP monitor; the probe of the ORP monitor is arranged in the reaction container and is used for monitoring the ORP potential in the reaction container; the dosing system comprises a biological agent storage tank, an oxidant storage tank, 2 dosing pipelines respectively arranged between the biological agent storage tank and the reaction container and between the oxidant storage tank and the reaction container, and 2 electromagnetic valves respectively arranged on the 2 dosing pipelines; the automatic control system is in communication connection with the ORP monitor and the electromagnetic valve and is used for controlling the electromagnetic valve to be switched according to the ORP potential monitored by the ORP monitor. The utility model discloses can save a large amount of medicaments and cost of labor, have characteristics such as area is little, degree of automation is high, the treatment effect is good, long service life.
Description
Technical Field
The utility model belongs to waste water treatment engineering application specifically is a device based on ORP potential judges biological agent oxidation process terminal point in coordination.
Background
The mining and mineral separation wastewater is one of industries with the largest industrial wastewater discharge amount in China, and 4t-6t of clean water is needed for flotation treatment of 1 ton of raw ore. The main harmful substances in the mineral processing wastewater are heavy metal ions and various organic and inorganic flotation reagents used in ore flotation. The biological agent synergistic oxidation technology is widely applied to treatment of mining and mineral separation wastewater in various large-scale mines, but in practical engineering application, the inflow water, the content of mineral separation agents and the COD value of wastewater often fluctuate greatly, and in the prior art, the COD online monitoring data is used as the basis for agent adjustment, so that serious hysteresis exists. If the medicament is added according to the maximum water inflow and the maximum COD value, the condition of excessive medicament addition can exist when the effluent reaches the standard, and the treatment cost is higher.
In a redox reaction, electrons are transferred from one species to another, thus creating a potential difference, the redox potential, abbreviated ORP, before the two species. ORP potential energy macroscopically reflects oxidation-reduction property in an aqueous solution, if ORP value is low, the ORP potential energy indicates that reducing substances or organic pollutants in a wastewater treatment system are high in content, and a water body is reducing; if the ORP value is high, the concentration of organic pollutants in the surface wastewater is low, and the water body is oxidizing. Judgment of the redox situation in the reaction system by ORP has been largely applied to the operation of municipal wastewater treatment plants. Compared with a COD (chemical oxygen demand) online monitor, the ORP online monitor has timeliness, can show the degradation condition of organic pollutants in a reaction system in real time, and can save a large amount of medicaments and labor cost if the ORP potential is used as a basis for judging the endpoint of the biological agent synergistic oxidation method, so that a device for judging the endpoint of the biological agent synergistic oxidation method based on the ORP potential is needed.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a device for judging the endpoint of the biological agent collaborative oxidation method based on ORP potential, which can save a large amount of medicaments and labor cost.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a device for judging the endpoint of a biological agent synergistic oxidation method based on ORP potential comprises a dosing system, a processing system and an automatic control system;
the treatment system comprises a reaction vessel and an ORP monitor; the probe of the ORP monitor is arranged in the reaction container and is used for monitoring the ORP potential in the reaction container;
the dosing system comprises a biological agent storage tank, an oxidant storage tank, 2 dosing pipelines respectively arranged between the biological agent storage tank and the reaction container and between the oxidant storage tank and the reaction container, and 2 electromagnetic valves respectively arranged on the 2 dosing pipelines;
and the automatic control system is in communication connection with the ORP monitor and the electromagnetic valve and is used for controlling the electromagnetic valve to be switched on and off according to the ORP potential monitored by the ORP monitor.
In a more preferred technical scheme, the processing system further comprises a stirring machine, a stirring shaft and a stirring paddle, wherein the stirring machine, the stirring shaft and the stirring paddle are arranged in the reaction container, and the stirring machine is controlled by the automatic control system to drive the stirring shaft and the stirring paddle to rotate.
In a more preferable technical scheme, the material of the reaction vessel is carbon steel lined PTFE.
In a more preferable technical scheme, the oxidant storage tank and the biological agent storage tank are both made of glass fiber reinforced plastics.
In a more preferable technical scheme, the bottom of the reaction container is provided with a drainage and blowdown valve.
In a more preferred embodiment, the ORP monitor is provided on the external wall of the reaction vessel by hardware means other than a probe.
In a more preferred technical scheme, hardware devices of the ORP monitor except the probe are fixedly arranged on the outer wall of the reaction vessel through a triangular support.
In a more preferred embodiment, the automated control system comprises a cleaning device for cleaning the probe of the ORP monitor.
In a more preferable technical scheme, the automatic control system adopts PLC control.
In a more preferred technical scheme, the automatic control system comprises a touch screen and an alarm device.
Advantageous effects
The utility model discloses device based on biological agent is oxidation process terminal point in coordination is judged to ORP potential, carries out real-time supervision to the ORP potential in the reaction vessel through setting up the ORP monitor, and it is more ageing to compare with COD on-line monitoring appearance, obtains the organic pollutant fast and adopts the real-time degradation condition of biological agent oxidation process in coordination to save a large amount of medicaments and cost of labor; and the utility model discloses the area of device is little, degree of automation is high, the treatment effect is good, long service life.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of an apparatus according to an embodiment of the present invention.
The components in the drawings are numbered as follows: 1. the device comprises a reaction container, 2, a drainage and pollution discharge valve, 3, supporting legs, 4, a triangular support, 5, an ORP monitor, 6, a stirring paddle, 7, a stirring shaft, 8, a probe of the ORP monitor, 9, a stirrer, 10, a dosing pipeline, 11, an electromagnetic valve, 12, an oxidant storage tank, 13, a floating ball valve, 14 and a biological agent storage tank.
Detailed Description
The following is a detailed description of the embodiments of the present invention, and the present embodiment uses the technical solution of the present invention as a basis for developing, and gives detailed implementation and specific operation process, and it is right to further explain the technical solution of the present invention.
The device for judging the endpoint of the biological agent synergistic oxidation method based on the ORP potential comprises a dosing system, a processing system and an automatic control system. The following are shown in figures 1 and 2:
the treatment system comprises a reaction vessel 1, a stirrer 9, a stirring shaft 7, a stirring paddle 6 and an ORP monitor 5; the stirrer 9, the stirring shaft 7, the stirring paddle 6 and the probe 8 of the ORP monitor are all arranged in the reaction vessel 1; in addition, a control switch of the stirrer 9 is connected with an automatic control system, and the automatic control system controls the stirring shaft 7 and the stirring paddle 6 to rotate, so that the wastewater in the reaction container 1 is more fully reacted with the medicament, and the reaction efficiency is improved.
The dosing system comprises a biological agent storage tank 14, an oxidant storage tank 12, 2 dosing pipelines 10 respectively arranged between the biological agent storage tank 14 and the reaction container 1 and between the oxidant storage tank 12 and the reaction container 1, and 2 electromagnetic valves 11 respectively arranged on the 2 dosing pipelines 10.
In this embodiment, the biological agent storage tank 14 and the oxidant storage tank 12 are disposed above and beside the reaction vessel 1, and are connected to the reaction vessel 1 through one drug adding pipeline 10, and the electromagnetic valve 11 disposed on the drug adding pipeline 10 is supported by a triangular bracket, and is controlled by an automatic control system to control the biological agent storage tank 14 and the oxidant storage tank 12 to supply the biological agent and the oxidant into the reaction vessel 1, respectively.
Wherein, the biological agent storage tank 14 and the oxidant storage tank 12 are both provided with a float valve 13 for controlling the operation and the closing of a biological agent and oxidant lift pump (a device for adding medicament to the biological agent storage tank 14 and the oxidant storage tank 12). When the liquid level of the biological agent storage tank 14 or the oxidant storage tank 12 is too low, the automatic control system can turn on the lifting pump to pump corresponding agents into the biological agent storage tank 14 or the oxidant storage tank 12 respectively; after the chemicals are injected to a certain height, the lift pump is turned off by the float valve 13, and the chemicals are stopped from being injected into the biological agent storage tank 14 or the oxidant storage tank 12.
The automatic control system is in communication connection with the ORP monitor 5 and the electromagnetic valve 11 and is used for controlling the electromagnetic valve 11 to be switched according to the ORP potential monitored by the ORP monitor 5.
In this embodiment, the probe 8 of the ORP monitor is located inside the reaction vessel 1 to monitor the ORP potential inside the reaction vessel 1, and the hardware devices of the ORP monitor 5 other than the probe 8 are fixedly arranged on the outer wall of the reaction vessel 1 through the triangular bracket 4. The ORP monitor 5 collects the ORP potential in the reaction system in the reaction container 1 in real time through the probe 8, and the ORP monitor 5 transmits the collected ORP potential to the automatic control system in real time. In this embodiment, when the ORP potential is less than 150mv, the self-control system increases the opening of the valve of the oxidant electromagnetic valve 11, and increases the dosage of the oxidant in the reaction system; when the ORP potential is higher than 220mv, the automatic control system reduces the opening degree of a valve of an oxidant electromagnetic valve 11 and reduces the adding amount of the oxidant in the reaction system; when the water inflow is larger than the set value of the system, the automatic control system increases the opening degree of the biological agent electromagnetic valve 11, and increases the adding amount of the biological agent in the reaction system; when the inflow is smaller than the set value of the system, the automatic control system reduces the opening of the biological agent electromagnetic valve 11, reduces the adding amount of the biological agent in the reaction system, and achieves the purpose of automatic control.
In this embodiment, the bottom of reaction vessel 1 has welded all around rectangle landing leg 3, and the centre is provided with drainage blowoff valve 2 to be used for discharging end sediment and residual liquid after the reaction in the reaction vessel 1, increase the life of equipment.
In a more preferred embodiment, the automated control system comprises a cleaning device, a touch screen and an alarm device; the cleaning device is arranged on a probe 8 of the ORP monitor, and the probe 8 of the ORP monitor is cleaned under the control of an automatic control system, so that the surface of the probe is prevented from scaling, the ORP potential is accurately measured by the ORP monitor 5, and the stable operation of the device is guaranteed. The touch screen is a human-computer interaction interface of the device.
In a more preferred embodiment, the automatic control system adopts a PLC control, specifically, by means of a touch screen, on-off control of the electromagnetic valve 11, start and stop control of the agitator 9, liquid level control, ORP index control, automatic alarm and the like can be performed, and power distribution cabinets of each part are integrated together to perform unified control.
In a more preferred embodiment, in order to make the reaction vessel 1 and the reagent tank more corrosion-resistant and have a long service life, the material of the reaction vessel 1 in this embodiment is carbon steel lined with tetrafluoro, and the material of the oxidant tank 12 and the material of the biological agent tank 14 are both glass fiber reinforced plastics.
The embodiment of the utility model provides a theory of operation does: first, the lift pump pumps the biological agent and the oxidizing agent into the biological agent tank 14 and the oxidizing agent tank 12, respectively, as preparation work before reaction. And (3) starting a water adding pump to pump wastewater to be treated into the reaction vessel 1, adjusting the wastewater to a manual mode through a touch screen, starting the electromagnetic valve 11 and the ORP monitor 5, and adding corresponding medicaments into the reaction vessel 1 through the medicament adding pipeline 10 by the biological agent storage tank 14 and the oxidant storage tank 12. The stirrer 9 is started through an automatic control system to ensure that the injected wastewater, the biological agent and the oxidant are stirred and fully mixed through the stirring paddle 6. After the water outlet of the reaction container 1 is discharged, the automatic control system is adjusted from a manual mode to a self-control mode, and the device can automatically control the electromagnetic valve 11 corresponding to the oxidant storage tank 12 through the ORP potential monitored by the ORP monitor 5, so that the adding amount of the oxidant in the reaction container 1 is controlled, the ORP potential in the reaction container 1 is stabilized within a preset range, and the purpose of self-control dosing is realized. After the reaction is finished, the automatic control system is adjusted from the automatic control mode to the manual mode, the ORP monitor 5, the stirrer 9 and the electromagnetic valve 11 are closed, and the drainage and drainage valve 2 is opened to drain the reaction vessel 1 for the next use.
Be different from prior art, the embodiment of the utility model provides a device based on biological agent is judged in coordination with oxidation method terminal point to ORP potential can effectively improve medicament availability factor, and the guarantee goes out water quality of water up to standard, stabilizes the retrieval and utilization even, and the operation management of being convenient for simultaneously moves stably.
The above embodiments are preferred embodiments of the present application, and those skilled in the art can make various changes or modifications without departing from the general concept of the present application, and such changes or modifications should fall within the scope of the claims of the present application.
Claims (10)
1. A device for judging the endpoint of a biological agent synergistic oxidation method based on ORP potential is characterized by comprising a dosing system, a processing system and an automatic control system;
the treatment system comprises a reaction vessel and an ORP monitor; the probe of the ORP monitor is arranged in the reaction container and is used for monitoring the ORP potential in the reaction container;
the dosing system comprises a biological agent storage tank, an oxidant storage tank, 2 dosing pipelines respectively arranged between the biological agent storage tank and the reaction container and between the oxidant storage tank and the reaction container, and 2 electromagnetic valves respectively arranged on the 2 dosing pipelines;
and the automatic control system is in communication connection with the ORP monitor and the electromagnetic valve and is used for controlling the electromagnetic valve to be switched on and off according to the ORP potential monitored by the ORP monitor.
2. The apparatus of claim 1, wherein the processing system further comprises a stirrer, a stirring shaft and a stirring paddle disposed inside the reaction vessel, the stirrer being controlled by the automated control system to drive the stirring shaft and the stirring paddle to rotate.
3. The apparatus of claim 1, wherein the reaction vessel is lined with carbon steel and tetrafluoro-lined.
4. The apparatus of claim 1, wherein the oxidant reservoir and the biological agent reservoir are both made of glass reinforced plastic.
5. The apparatus of claim 1, wherein the bottom of the reaction vessel is provided with a drain and drain valve.
6. The apparatus of claim 1, wherein hardware devices of the ORP monitor other than a probe are provided on the exterior wall of the reaction vessel.
7. The apparatus of claim 1, wherein the hardware device of the ORP monitor other than the probe is fixedly mounted to the outer wall of the reaction vessel by a triangular bracket.
8. The apparatus of claim 1, wherein the automated control system comprises a cleaning device for cleaning the probe of the ORP monitor.
9. The apparatus of claim 1, wherein the automated control system is PLC controlled.
10. The device of claim 1, wherein the automated control system comprises a touch screen and an alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020715687.8U CN212222753U (en) | 2020-05-06 | 2020-05-06 | Device for judging biological agent synergistic oxidation method end point based on ORP potential |
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| CN202020715687.8U CN212222753U (en) | 2020-05-06 | 2020-05-06 | Device for judging biological agent synergistic oxidation method end point based on ORP potential |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113772755A (en) * | 2021-08-26 | 2021-12-10 | 江西铜业股份有限公司 | Method and system for optimizing reagent feeding for treating mining and beneficiation wastewater pollutants |
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2020
- 2020-05-06 CN CN202020715687.8U patent/CN212222753U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113772755A (en) * | 2021-08-26 | 2021-12-10 | 江西铜业股份有限公司 | Method and system for optimizing reagent feeding for treating mining and beneficiation wastewater pollutants |
| CN113772755B (en) * | 2021-08-26 | 2023-09-08 | 江西铜业股份有限公司 | Reagent throwing optimization method and system for treating pollutants in mineral separation wastewater |
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