A sewage treatment intelligent operation management system based on digital twin

Abstract

The present invention relates to the field of sewage treatment, and particularly to a smart operation and management system for sewage treatment based on digital twin, including: a sewage treatment unit for purifying sewage; a data collection unit for collecting the required information to be measured of the sewage treatment unit; an energy consumption analysis unit for determining whether the total power consumption of the sewage treatment unit is qualified according to the total power consumption of the preset period under the condition that the sewage treatment is qualified, and when the power consumption of the second treatment module is unqualified and the power consumption of the first treatment module and the third treatment module is qualified, determining whether to adjust the power of the aeration device of the second treatment module according to the comparison result between the power consumption of the second treatment module and the module power consumption standard; the present invention reduces the energy loss in the sewage treatment process while ensuring the sewage treatment effect.

Description

Technical Field

[0001] The present invention relates to the field of sewage treatment, and particularly to a sewage treatment intelligent operation and management system based on digital twin. Background Art

[0002] Sewage treatment is widely applied in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering, etc., and is also increasingly entering the daily life of ordinary people. Sewage treatment consumes a large amount of energy, especially electrical energy. In recent years, sewage treatment plants have been aiming at energy conservation and consumption reduction, and have continuously increased the introduction of new technologies. However, they cannot obtain ideal energy consumption control results and do not meet the expected goals.

[0003] Chinese Patent Publication No. CN115826513A discloses a sewage treatment monitoring system, including: a water plant dispatching platform, the water plant dispatching platform includes a large-screen display terminal, a B / S client, a dispatching analysis module, a WEB server and a PDA terminal, the water plant dispatching platform is bidirectionally connected to a transfer platform, and the transfer platform includes an isolation gateway, a SCADA station, a SCADA server, a WEB server and a SCADA operator station. It can be seen that the above sewage treatment monitoring system has the following problems: it does not consider how to adjust the power of power-consuming equipment while ensuring the sewage treatment effect when the power consumption of different sewage treatment equipment is different. Summary of the Invention

[0004] To achieve the above object, the present invention provides a sewage treatment intelligent operation and management system based on digital twin to overcome the problem of excessive energy consumption of power-consuming equipment in the existing sewage treatment system while ensuring the sewage treatment effect.

[0005] For this purpose, the present invention provides a sewage treatment intelligent operation and management system based on digital twin, including:

[0006] A sewage treatment unit, which includes a first treatment module for removing oil pollutants in sewage, a second treatment module for decomposing organic pollutants in sewage, and a third treatment module for sludge recovery and sewage clarification;

[0007] A data acquisition unit, which is connected to the sewage treatment unit for acquiring the information required to be measured of the sewage treatment unit;

[0008] An energy consumption analysis unit, which is connected to the data acquisition unit and the sewage treatment unit, is used to determine whether the total power consumption of the sewage treatment unit is qualified according to the total power consumption of the preset period under the condition that the sewage treatment is qualified. And when the power consumption of the second treatment module is unqualified and the power consumption of the first treatment module and the third treatment module is qualified, it determines whether to adjust the power of the aeration device of the second treatment module according to the comparison result between the power consumption of the second treatment module and the module power consumption standard;

[0009] Wherein, when the dissolved oxygen content of the sewage is at a preset threshold value, the energy consumption analysis unit determines whether to adjust the power of the temperature control component of the first treatment module according to the content of oil pollutants in the sewage processed by the first treatment module. And when the content of oil pollutants is at a preset threshold value, the energy consumption analysis unit determines whether to adjust the power of the sludge cleaning device in the third treatment module according to the sludge volume in the third treatment module;

[0010] Wherein, the information required for measurement includes the total power consumption of the sewage treatment unit, the power consumption of each treatment module, the dissolved oxygen content of the sewage in the second treatment module, the content of oil pollutants in the sewage processed by the first treatment module, the environmental temperature, the sludge volume in the third treatment module, and the volume of the sewage purified by the sewage treatment unit;

[0011] Wherein, the aeration device is arranged in the second treatment module to supply oxygen to the activated sludge in the second treatment module; the sludge cleaning device is arranged at the bottom of the third treatment module to remove the sludge at the bottom of the third treatment module by rotating the rotating scraper assembly;

[0012] The sewage treatment qualified condition is that the total amount of pollutants to be removed in the sewage treated by the sewage treatment unit is less than the preset total amount of pollutants to be removed.

[0013] Further, under the condition that the sewage treatment is qualified, the energy consumption analysis unit periodically compares the total power consumption Qz of the sewage treatment unit with the total power consumption of the preset period to determine whether the total power consumption of the sewage treatment unit is qualified. The energy consumption analysis unit is provided with a total power consumption Qz0 of the preset period, and 0 < Qz0;

[0014] If Qz ≤ Qz0, the energy consumption analysis unit determines that the total power consumption of the sewage treatment unit is qualified;

[0015] If Qz0 < Qz, the energy consumption analysis unit determines that the total power consumption of the sewage treatment unit is unqualified;

[0016] Wherein, the energy consumption analysis unit is provided with a total power consumption detection period R, and it is set that R > 0.

[0017] Further, under the first energy consumption analysis condition, the energy consumption analysis unit calculates the power consumption Qi of each processing module respectively and compares the power consumption Qi of each processing module with the module power consumption standard Qi0 corresponding to each processing module to determine whether the power consumption of each processing module is qualified;

[0018] If Qi ≤ Qi0, the energy consumption analysis unit determines that the power consumption of this processing module is qualified;

[0019] If Qi > Qi0, the energy consumption analysis unit determines that the power consumption of this processing module is unqualified;

[0020] Among them, the first energy consumption analysis condition is Qz0 < Qz, i = 1, 2, 3, Q1 is the power consumption of the first processing module, Q2 is the power consumption of the second processing module, Q3 is the power consumption of the third processing module, Q10 is the module power consumption standard corresponding to the first processing module, Q20 is the module power consumption standard corresponding to the second processing module, Q30 is the module power consumption standard corresponding to the third processing module, and 0 < Q10 < Q30 < Q20.

[0021] Further, under the second energy consumption analysis condition, the energy consumption analysis unit controls the data acquisition unit to collect the dissolved oxygen content M of the sewage in the second processing module and compares M with the preset dissolved oxygen content to determine whether to adjust the power of the aeration device of the second processing module. The energy consumption analysis unit is provided with a first preset dissolved oxygen content M1, a second preset dissolved oxygen content M2, a first preset aeration power adjustment coefficient α1, a second preset aeration power adjustment coefficient α2, and a second preset aeration power adjustment coefficient α3, where 0 < M1 < M2, 0 < α3 < α2 < 1 < α1;

[0022] If M ≤ M1, the energy consumption analysis unit determines to use α1 to adjust the power of the aeration device, sets the adjusted power as P, and sets P = P0 × α1, where P0 is the initial power of the aeration device and 0 < P0;

[0023] If M1 < M ≤ M2, the energy consumption analysis unit determines to use α2 to adjust the power of the aeration device, sets the adjusted power as P, and sets P = P0 × α2;

[0024] If M2 < M, the energy consumption analysis unit determines to use α3 to adjust the power of the aeration device, sets the adjusted power as P, and sets P = P0 × α3;

[0025] Among them, the second energy consumption analysis condition is that the power consumption of the second processing module is unqualified and the power consumptions of the first processing module and the third processing module are qualified.

[0026] Further, the energy consumption analysis unit detects the content Mx of oil pollutants in the sewage processed by the first processing module under the third energy consumption analysis condition and compares Mx with a preset oil pollutant content to determine whether to adjust the power of the temperature control component of the first processing module. The energy consumption analysis unit is provided with a first preset oil pollutant content Mx1, a second preset oil pollutant content Mx2, and a temperature control component adjustment coefficient ζ, where 0 < Mx1 < Mx2 and 0 < ζ;

[0027] If Mx < Mx1, the energy consumption analysis unit determines to lower the power of the temperature control component of the first processing module to Pw, and sets Pw = Pw0 × ζ, where ζ = Mx / Mx1;

[0028] If Mx1 ≤ Mx ≤ Mx2, the energy consumption analysis unit determines whether to adjust the power of the temperature control component of the first processing module according to the sludge volume in the third processing module;

[0029] If Mx2 < Mx, the energy consumption analysis unit determines not to adjust the power of the temperature control component of the first processing module;

[0030] Among them, the third energy consumption analysis condition is M ≤ M1.

[0031] Further, the energy consumption analysis unit controls the data acquisition unit to detect the current ambient temperature T under the temperature control compensation adjustment condition and compares T with a preset ambient temperature to determine whether to perform compensation adjustment on Pw. The energy consumption analysis unit is provided with a first preset ambient temperature T1, a second preset ambient temperature T2, a first preset compensation adjustment coefficient β1, and a second preset compensation adjustment coefficient β2, where 0 < T1 < T2 and 0 < β2 < 1 < β1;

[0032] If T ≤ T1, the energy consumption analysis unit determines to use β1 to compensate and adjust the power of the temperature control component to Pw', and sets Pw' = Pw × β1;

[0033] If T1 < T ≤ T, the energy consumption analysis unit determines that no compensation adjustment needs to be performed on Pw;

[0034] If T ≤ 0 or T2 < T, the energy consumption analysis unit determines to use β2 to compensate and adjust the power of the temperature control component to Pw', and sets Pw' = Pw × β2;

[0035] Among them, the temperature control compensation adjustment condition is that the energy consumption analysis unit has completed the power adjustment of the temperature control component of the first processing module.

[0036] Further, the energy consumption analysis unit detects the sludge volume Mc in the third processing module under the fourth energy consumption analysis condition and compares Mc with a preset sludge volume to determine whether to adjust the power of the sludge cleaning device in the third processing module. The energy consumption analysis unit is provided with a first preset sludge volume Mc1, a second preset sludge volume Mc2, a first sludge cleaning device adjustment coefficient γ1, and a second sludge cleaning device adjustment coefficient γ2, where 0 < Mc1 < Mc2 and 0 < γ1 < γ2;

[0037] If Mc ≤ Mc1, the energy consumption analysis unit determines to use γ1 to adjust the power of the sludge cleaning device in the third processing module to Pv, and sets Pv = Pv0 × γ1;

[0038] If Mc1 < Mc ≤ Mc2, the energy consumption analysis unit determines to use γ2 to adjust the power of the sludge cleaning device in the third processing module to Pv, and sets Pv = Pv0 × γ2;

[0039] If Mc2 < Mc, the energy consumption analysis unit determines not to adjust the power of the sludge cleaning device in the third processing module;

[0040] Among them, the fourth energy consumption analysis condition is Mx ≥ Mx1.

[0041] Further, the energy consumption analysis unit calculates the difference △Mc between Mc and Mc2 under the fifth energy consumption analysis condition, sets △Mc = Mc2 - Mc, and the energy consumption analysis unit compares △Mc with a preset reference difference to determine whether to adjust the power of the temperature control component. The energy consumption analysis unit is provided with a first preset reference difference △Mc1 and a second preset reference difference △Mc2

[0042] If △Mc ≤ 0, the energy consumption analysis unit determines to lower the power of the temperature control component of the first processing module to Pw, and sets Pw = Pw0 × ζ, where ζ = Mx / Mx2;

[0043] If 0 < △Mc ≤ △Mc1, the energy consumption analysis unit determines to lower the power of the temperature control component of the first processing module to Pw, and sets Pw = Pw0 × ζ, where ζ = Mx / Mx2 × 0.8;

[0044] If △Mc1 < △Mc, the energy consumption analysis unit determines that the current energy consumption adjustment cannot meet the standard and transmits the determination information to the display unit to remind of attention to power loss;

[0045] Among them, the fifth energy consumption analysis condition is Mx1 ≤ Mx ≤ Mx2.

[0046] Further, the energy consumption analysis unit detects the amount of sewage L purified by the sewage treatment unit within a preset processing time under the energy consumption standard adjustment condition, and compares L with the preset sewage volume to determine whether to adjust Qz0. The energy consumption analysis unit is provided with a first preset sewage volume L1, a second preset sewage volume L2, a first energy consumption standard adjustment coefficient δ1, and a second energy consumption standard adjustment coefficient δ2, where 0 < L1 < L2 and 0 < δ1 < 1 < δ2;

[0047] If L ≤ L1, the energy consumption analysis unit determines to adjust Qz0 to Qz0', and sets Qz0' = Qz0 × δ1;

[0048] If L1 < L ≤ L2, the energy consumption analysis unit determines that there is no need to adjust Qz0;

[0049] If L2 < L, the energy consumption analysis unit determines to adjust Qz0 to Qz0', and sets Qz0' = Qz0 × δ2;

[0050] Among them, the energy consumption standard adjustment condition is that the sewage treatment module starts to run and the running duration reaches the preset processing time t, and it is set that 0 < t.

[0051] Further, the energy consumption analysis unit is provided with a data learning module for storing the power data of the power-consuming devices in each module to generate digital twin operation data, and capable of adjusting the values of the corresponding module power consumption standards for comparison according to the power data of the power-consuming devices in each module;

[0052] Among them, the method of adjusting the values of the corresponding module power consumption standards for comparison according to the power data of each power-consuming device includes:

[0053] Obtain historical data, display the historical data on the horizontal number axis, select the historical data within a preset selection range between the minimum value and the maximum value on the horizontal number axis of the historical data, and record the position with the largest data volume within the preset selection range as the preselected interval;

[0054] Calculate the average value of the data within the preselected interval, and record this average value as the module power consumption standard of the corresponding power-consuming device;

[0055] Among them, the preset selection range is a closed interval, and the interval length of the closed interval of the preset selection range is 70% of the length between the minimum value and the maximum value on the horizontal number axis of the historical data.

[0056] Compared with the prior art, the beneficial effects of the present invention are as follows. In the technical solution of the present invention, the power consumption and the sewage treatment effect in sewage treatment are combined for monitoring. In particular, when the power consumption of the second treatment module with the largest power consumption does not meet the standard, how to adjust the power of the power-consuming equipment in the first treatment module and the second treatment module on the premise of ensuring the sewage treatment effect. Compared with the prior art, not only the sewage treatment effect is ensured, but also the energy loss of the present invention in the sewage treatment process is reduced.

[0057] Furthermore, in the present invention, the energy consumption analysis unit compares M with the preset dissolved oxygen content under the second energy consumption analysis condition to determine whether to adjust the power of the aeration device of the second treatment module, and determines the specific adjustment method of the power of the aeration device according to the dissolved oxygen content of the sewage, making the power adjustment of the aeration device more reasonable while ensuring the sewage treatment effect of the second treatment module, and reducing the energy consumption of the sewage treatment unit of the present invention.

[0058] Furthermore, in the present invention, the energy consumption analysis unit compares Mx with the preset oil pollutant content under the third energy consumption analysis condition to determine whether to adjust the power of the temperature control component of the first treatment module, and adjusts the power of the temperature control component of the first treatment module to reduce the energy consumption of the sewage treatment unit of the present invention when the power adjustment of the aeration device cannot effectively reduce the energy consumption.

[0059] Furthermore, in the present invention, the energy consumption analysis unit controls the data acquisition unit to detect the current ambient temperature T and compares T with the preset ambient temperature under the temperature control compensation adjustment condition to determine whether to perform compensation adjustment on Pw, and performs compensation adjustment on Pw in combination with the influence of the ambient temperature on the oil removal in the first treatment module, thereby reducing the energy consumption of the first treatment module.

[0060] Furthermore, in the present invention, the energy consumption analysis unit detects the sludge amount Mc in the third treatment module and compares Mc with the preset sludge amount under the fourth energy consumption analysis condition to determine whether to adjust the power of the sludge cleaning device in the third treatment module, avoiding that the power adjustment of the temperature control component of the first treatment module cannot effectively reduce the energy consumption of the sewage treatment unit, and selecting the specific adjustment method of the power of the third treatment module according to the sludge treatment effect in the third treatment module, thereby reducing the energy consumption of the third treatment module. Description of the Drawings

[0061] Figure 1 It is a unit connection diagram of the sewage treatment intelligent operation management system based on digital twin according to the embodiment of the present invention;

[0062] Figure 2The flowchart for the energy consumption analysis unit in the embodiment of the present invention to compare the total power consumption Qz of the sewage treatment unit with the total power consumption in the preset period to determine whether the total power consumption of the sewage treatment unit is qualified;

[0063] Figure 3 The flowchart for the energy consumption analysis unit in the embodiment of the present invention to calculate the power consumption Qi of each treatment module and compare the power consumption Qi of each treatment module with the module power consumption standard Qi0 corresponding to each treatment module to determine whether the power consumption of each treatment module is qualified. Detailed implementation manners

[0064] In order to make the objectives and advantages of the present invention clearer and more understandable, the present invention will be further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0065] The preferred implementation manners of the present invention will be described below with reference to the accompanying drawings. Those skilled in the art should understand that these implementation manners are only used to explain the technical principles of the present invention and do not limit the protection scope of the present invention.

[0066] It should be noted that in the description of the present invention, the terms indicating directions or positional relationships such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings. This is only for convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0067] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0068] Please refer to Figures 1 to 3 As shown, the present invention provides a sewage treatment intelligent operation management system based on digital twin, including:

[0069] A sewage treatment unit, which includes a first treatment module for removing oil pollutants in sewage, a second treatment module for decomposing organic pollutants in sewage, and a third treatment module for sludge recovery and sewage clarification;

[0070] A data acquisition unit, which is connected to the sewage treatment unit and is used to collect the information required for testing of the sewage treatment unit;

[0071] An energy consumption analysis unit, which is connected to the data acquisition unit and the sewage treatment unit, is used to determine whether the total power consumption of the sewage treatment unit is qualified according to the total power consumption of the preset period under the condition that the sewage treatment is qualified, and when the power consumption of the second treatment module is unqualified and the power consumption of the first treatment module and the third treatment module is qualified, determine whether to adjust the power of the aeration device of the second treatment module according to the comparison result between the power consumption of the second treatment module and the module power consumption standard;

[0072] Wherein, when the dissolved oxygen content of the sewage is at a preset threshold, the energy consumption analysis unit determines whether to adjust the power of the temperature control component of the first treatment module according to the content of oil pollutants in the sewage processed by the first treatment module, and when the content of oil pollutants is at a preset threshold, the energy consumption analysis unit determines whether to adjust the power of the sludge cleaning device in the third treatment module according to the sludge volume in the third treatment module;

[0073] Wherein, the required information to be measured includes the total power consumption of the sewage treatment unit, the power consumption of each treatment module, the dissolved oxygen content of the sewage in the second treatment module, the content of oil pollutants in the sewage processed by the first treatment module, the environmental temperature, the sludge volume in the third treatment module, and the volume of the sewage purified by the sewage treatment unit;

[0074] Wherein, the aeration device is arranged in the second treatment module to supply oxygen to the activated sludge in the second treatment module; the sludge cleaning device is arranged at the bottom of the third treatment module to remove the sludge at the bottom of the third treatment module by rotating the rotating scraper assembly;

[0075] The sewage treatment qualified condition is that the total amount of pollutants to be removed in the sewage treated by the sewage treatment unit is less than the preset total amount of pollutants to be removed.

[0076] Specifically, the energy consumption analysis unit periodically compares the total power consumption Qz of the sewage treatment unit with the total power consumption of the preset period under the condition that the sewage treatment is qualified to determine whether the total power consumption of the sewage treatment unit is qualified. The energy consumption analysis unit is provided with a total power consumption Qz0 of the preset period, and 0 < Qz0;

[0077] If Qz ≤ Qz0, the energy consumption analysis unit determines that the total power consumption of the sewage treatment unit is qualified;

[0078] If Qz0 < Qz, the energy consumption analysis unit determines that the total power consumption of the sewage treatment unit is unqualified;

[0079] Wherein, the energy consumption analysis unit is provided with a total power consumption detection period R, and it is set that R > 0;

[0080] The value of the preset total power consumption in a cycle is related to the sewage treatment capacity of the sewage treatment unit. That is, the user can determine the value of the preset total power consumption in a cycle by combining the sewage treatment volume per unit time of the sewage treatment unit with the actual total power consumption and the energy consumption demand for the sewage treatment unit.

[0081] Specifically, under the first energy consumption analysis condition, the energy consumption analysis unit calculates the power consumption Qi of each treatment module respectively and compares the power consumption Qi of each treatment module with the corresponding module power consumption standard Qi0 of each treatment module to determine whether the power consumption of each treatment module is qualified.

[0082] If Qi ≤ Qi0, the energy consumption analysis unit determines that the power consumption of this treatment module is qualified.

[0083] If Qi > Qi0, the energy consumption analysis unit determines that the power consumption of this treatment module is unqualified.

[0084] Wherein, the first energy consumption analysis condition is Qz0 < Qz, i = 1, 2, 3, Q1 is the power consumption of the first treatment module, Q2 is the power consumption of the second treatment module, Q3 is the power consumption of the third treatment module, Q10 is the corresponding module power consumption standard of the first treatment module, Q20 is the corresponding module power consumption standard of the second treatment module, Q30 is the corresponding module power consumption standard of the third treatment module, and 0 < Q10 < Q30 < Q20.

[0085] Wherein, the value of the corresponding module power consumption standard of each treatment module is related to the specifications of the power-consuming equipment in the treatment module. The user can determine the value of the module power consumption standard by combining the specifications of the power-consuming equipment with the energy consumption demand for the power-consuming equipment.

[0086] Specifically, under the second energy consumption analysis condition, the energy consumption analysis unit controls the data acquisition unit to collect the dissolved oxygen content M of the sewage in the second treatment module and compares M with the preset dissolved oxygen content to determine whether to adjust the power of the aeration device of the second treatment module. The energy consumption analysis unit is provided with a first preset dissolved oxygen content M1, a second preset dissolved oxygen content M2, a first preset aeration power adjustment coefficient α1, a second preset aeration power adjustment coefficient α2, and a second preset aeration power adjustment coefficient α3. Among them, 0 < M1 < M2, 0 < α3 < α2 < 1 < α1.

[0087] If M ≤ M1, the energy consumption analysis unit determines to use α1 to adjust the power of the aeration device, sets the adjusted power as P, and sets P = P0 × α1, where P0 is the initial power of the aeration device and 0 < P0.

[0088] If M1 < M ≤ M2, the energy consumption analysis unit determines to use α2 to adjust the power of the aeration device, sets the adjusted power as P, and sets P = P0 × α2.

[0089] If M2 < M, the energy consumption analysis unit determines to adjust the power of the aeration device using α3, sets the adjusted power as P, and sets P = P0 × α3;

[0090] Among them, the second energy consumption analysis condition is that the power consumption of the second processing module is unqualified and the power consumptions of the first processing module and the third processing module are qualified.

[0091] The preset dissolved oxygen content has a conventional setting, and those skilled in the art can master the value range of the preset dissolved oxygen content. As an implementable implementation manner, a value of the preset dissolved oxygen content is provided. The first preset dissolved oxygen content takes a value of 2 mg / L, and the second preset dissolved oxygen content takes a value of 4 mg / L. The user can set the preset dissolved oxygen content in combination with the energy consumption requirements of the second processing module, but it should be ensured that the value range between the first preset dissolved oxygen content and the second preset dissolved oxygen content can meet the operation of the second processing module.

[0092] Specifically, under the third energy consumption analysis condition, the energy consumption analysis unit detects the content of oil pollutants Mx in the sewage processed by the first processing module and compares Mx with the preset oil pollutant content to determine whether to adjust the power of the temperature control component of the first processing module. The energy consumption analysis unit is provided with a first preset oil pollutant content Mx1, a second preset oil pollutant content Mx2, and a temperature control component adjustment coefficient ζ, where 0 < Mx1 < Mx2, 0 < ζ;

[0093] If Mx < Mx1, the energy consumption analysis unit determines to lower the power of the temperature control component of the first processing module to Pw, sets Pw = Pw0 × ζ, ζ = Mx / Mx1, Pw is the rounded-up integer, Pw0 is the initial power of the temperature control component, and 0 < Pw0;

[0094] If Mx1 ≤ Mx ≤ Mx2, the energy consumption analysis unit determines whether to adjust the power of the temperature control component of the first processing module according to the sludge volume in the third processing module;

[0095] If Mx2 < Mx, the energy consumption analysis unit determines not to adjust the power of the temperature control component of the first processing module;

[0096] Among them, the third energy consumption analysis condition is M ≤ M1;

[0097] The value of the preset oil pollutant content is related to the processing specification of the first processing module, that is, the user can determine the value of the preset oil pollutant content through experiments according to the ability of the first processing module to remove pollutants and in combination with the energy consumption requirements of the first processing module.

[0098] Specifically, under the temperature control compensation adjustment condition, the energy consumption analysis unit controls the data acquisition unit to detect the current ambient temperature T and compares T with a preset ambient temperature to determine whether to compensate and adjust Pw. The energy consumption analysis unit is provided with a first preset ambient temperature T1, a second preset ambient temperature T2, a first preset compensation adjustment coefficient β1, and a second preset compensation adjustment coefficient β2, where 0 < T1 < T2, 0 < β2 < 1 < β1;

[0099] If T ≤ T1, the energy consumption analysis unit determines to use β1 to compensate and adjust the power of the temperature control component to Pw', and sets Pw' = Pw × β1;

[0100] If T1 < T ≤ T, the energy consumption analysis unit determines that there is no need to compensate and adjust Pw;

[0101] If T ≤ 0 or T2 < T, the energy consumption analysis unit determines to use β2 to compensate and adjust the power of the temperature control component to Pw', and sets Pw' = Pw × β2;

[0102] Among them, the temperature control compensation adjustment condition is that the energy consumption analysis unit completes the power adjustment of the temperature control component of the first processing module;

[0103] The value of the preset ambient temperature is related to the oil stain solidification temperature. The user can obtain the solidification temperature of the surface oil stain in the sewage through experiments, but it should be ensured that the first preset ambient temperature is greater than the oil stain solidification temperature.

[0104] Specifically, under the fourth energy consumption analysis condition, the energy consumption analysis unit detects the sludge volume Mc in the third processing module and compares Mc with a preset sludge volume to determine whether to adjust the power of the sludge cleaning device in the third processing module. The energy consumption analysis unit is provided with a first preset sludge volume Mc1, a second preset sludge volume Mc2, a first sludge cleaning device adjustment coefficient γ1, and a second sludge cleaning device adjustment coefficient γ2, where 0 < Mc1 < Mc2, 0 < γ1 < γ2;

[0105] If Mc ≤ Mc1, the energy consumption analysis unit determines to use γ1 to adjust the power of the sludge cleaning device in the third processing module to Pv, and sets Pv = Pv0 × γ1;

[0106] If Mc1 < Mc ≤ Mc2, the energy consumption analysis unit determines to use γ2 to adjust the power of the sludge cleaning device in the third processing module to Pv, and sets Pv = Pv0 × γ2;

[0107] If Mc2 < Mc, the energy consumption analysis unit determines not to adjust the power of the sludge cleaning device in the third processing module;

[0108] Among them, the fourth energy consumption analysis condition is Mx ≥ Mx1;

[0109] The value of the preset sludge volume is related to the specifications of the third treatment module and the user's sludge removal requirements. The first preset sludge volume should be less than the minimum sludge volume required by the user.

[0110] Specifically, the energy consumption analysis unit calculates the difference △Mc between Mc and Mc2 under the fifth energy consumption analysis condition, sets △Mc = Mc2 - Mc, and the energy consumption analysis unit compares △Mc with a preset reference difference to determine whether to adjust the power of the temperature control component. The energy consumption analysis unit is provided with a first preset reference difference △Mc1 and a second preset reference difference △Mc2

[0111] If △Mc ≤ 0, the energy consumption analysis unit determines to lower the power of the temperature control component of the first treatment module to Pw, sets Pw = Pw0 × ζ, and ζ = Mx / Mx2;

[0112] If 0 < △Mc ≤ △Mc1, the energy consumption analysis unit determines to lower the power of the temperature control component of the first treatment module to Pw, sets Pw = Pw0 × ζ, and ζ = Mx / Mx2 × 0.8;

[0113] If △Mc1 < △Mc, the energy consumption analysis unit determines that the current energy consumption adjustment cannot meet the standard and transmits the determination information to the display unit to alert attention to power loss;

[0114] Among them, the fifth energy consumption analysis condition is Mx1 ≤ Mx ≤ Mx2.

[0115] Specifically, the energy consumption analysis unit detects the amount of sewage L purified by the sewage treatment unit within the preset treatment time under the energy consumption standard adjustment condition and compares L with the preset sewage volume to determine whether to adjust Qz0. The energy consumption analysis unit is provided with a first preset sewage volume L1, a second preset sewage volume L2, a first energy consumption standard adjustment coefficient δ1, and a second energy consumption standard adjustment coefficient δ2, where 0 < L1 < L2 and 0 < δ1 < 1 < δ2;

[0116] If L ≤ L1, the energy consumption analysis unit determines to adjust Qz0 to Qz0', and sets Qz0' = Qz0 × δ1;

[0117] If L1 < L ≤ L2, the energy consumption analysis unit determines that there is no need to adjust Qz0;

[0118] If L2 < L, the energy consumption analysis unit determines to adjust Qz0 to Qz0', and sets Qz0' = Qz0 × δ2;

[0119] Among them, the energy consumption standard adjustment condition is that the sewage treatment module starts to operate and the operation duration reaches the preset treatment time t, and sets 0 < t.

[0120] Specifically, the energy consumption analysis unit is provided with a data learning module for storing the power data of the power-consuming devices in each module to generate digital twin operation data, and capable of adjusting the value of the corresponding module power consumption standard for comparison according to the power data of the power-consuming devices in each module;

[0121] Among them, the method of adjusting the value of the corresponding module power consumption standard for comparison according to the power data of each power-consuming device includes:

[0122] Obtain historical data, display the historical data on the horizontal number axis, select the historical data within a preset selection range between the minimum value and the maximum value on the horizontal number axis of the historical data, and record the position with the largest data volume within the preset selection range as the preselected interval;

[0123] Calculate the average value of the data within the preselected interval, and record this average value as the module power consumption standard of the corresponding power-consuming device;

[0124] Among them, the preset selection range is a closed interval, and the interval length of the closed interval of the preset selection range is 70% of the length between the minimum value and the maximum value on the horizontal number axis of the historical data.

[0125] Embodiment: In this embodiment, when the sewage treatment meets the qualified conditions, the energy consumption analysis unit controls the data acquisition unit to detect that the total power consumption Qz of the sewage treatment unit is 30 kwh, and the total power consumption Qz0 in the preset period is 20 kwh. At this time, Qz0 < Qz, and the energy consumption analysis unit determines that the total power consumption of the sewage treatment unit is unqualified;

[0126] In this embodiment, Q2 = 15 kwh, Q20 = 10 kwh. At this time, Q2 > Q20, and the energy consumption analysis unit determines that the power consumption of the second treatment module is unqualified; the dissolved oxygen content M of the sewage in the second treatment module is 2 mg / L, the first preset dissolved oxygen content M1 is 2 mg / L, the second preset dissolved oxygen content M2 is 4 mg / L, the first preset aeration power adjustment coefficient α1 is 1.2, and the initial power P0 of the aeration device is 15 kw. At this time, M = M1, and the energy consumption analysis unit determines to use α1 to adjust the power of the aeration device, and sets the adjusted power to P, and sets P = 10 × 1.5 = 15 kw;

[0127] In this embodiment, the oil pollutant content Mx in the sewage processed by the first processing module is 20 mg / L, the first preset oil pollutant content Mx1 is 30 mg / L, and the initial power Pw0 of the temperature control component is 5 kw. At this time, Mx = Mx1, and the energy consumption analysis unit determines to lower the power of the temperature control component of the first processing module to Pw, where Pw = 5×2 / 3 = 4 kw. The current ambient temperature T is 20 °C, the first preset ambient temperature T1 is 15 °C, and the second preset ambient temperature T2 is 30 °C. At this time, T1 < T < T2, and the energy consumption analysis unit determines that no compensation adjustment is required for Pw.

[0128] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

[0129] The above are only the preferred embodiments of the present invention and are not used to limit the present invention; for those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sewage treatment intelligent operation management system based on digital twin, characterized in that, Including: A sewage treatment unit, which includes a first treatment module for removing oil pollutants in sewage, a second treatment module for decomposing organic pollutants in sewage, and a third treatment module for sludge recovery and sewage clarification; A data acquisition unit, which is connected to the sewage treatment unit and is used to collect the information required for testing of the sewage treatment unit; An energy consumption analysis unit, which is connected to the data acquisition unit and the sewage treatment unit, and is used to determine whether the total power consumption of the sewage treatment unit is qualified according to the total power consumption in the preset period under the condition that the sewage treatment is qualified. And when the power consumption of the second treatment module is unqualified and the power consumption of the first treatment module and the third treatment module is qualified, it is determined whether to adjust the power of the aeration device of the second treatment module according to the comparison result between the power consumption of the second treatment module and the module power consumption standard; Wherein, when the dissolved oxygen content of the sewage in the second treatment module is at a preset threshold, the energy consumption analysis unit determines whether to adjust the power of the temperature control component of the first treatment module according to the content of oil pollutants in the sewage processed by the first treatment module. And when the content of oil pollutants is at a preset threshold, the energy consumption analysis unit determines whether to adjust the power of the sludge cleaning device in the third treatment module according to the amount of sludge in the third treatment module; Wherein, the information required for testing includes the total power consumption of the sewage treatment unit, the power consumption of each treatment module, the dissolved oxygen content of the sewage in the second treatment module, the content of oil pollutants in the sewage processed by the first treatment module, the environmental temperature, the amount of sludge in the third treatment module, and the amount of sewage purified by the sewage treatment unit; Wherein, the aeration device is arranged in the second treatment module and is used to supply oxygen to the activated sludge in the second treatment module; the sludge cleaning device is arranged at the bottom of the third treatment module and is used to remove the sludge at the bottom of the third treatment module by rotating the rotating scraper assembly; The sewage treatment qualified condition is that the total amount of pollutants to be removed in the sewage treated by the sewage treatment unit is less than the preset total amount of pollutants to be removed; Under the condition of qualified sewage treatment, the energy consumption analysis unit periodically compares the total power consumption Qz of the sewage treatment unit with the total power consumption in the preset period to determine whether the total power consumption of the sewage treatment unit is qualified. The energy consumption analysis unit is provided with a preset period total power consumption Qz0, 0 < Qz0; If Qz ≤ Qz0, the energy consumption analysis unit determines that the total power consumption of the sewage treatment unit is qualified; If Qz0 < Qz, the energy consumption analysis unit determines that the total power consumption of the sewage treatment unit is unqualified; Wherein, the energy consumption analysis unit is provided with a total power consumption detection period R, and it is set that R > 0; Under the first energy consumption analysis condition, the energy consumption analysis unit calculates the power consumption Qi of each treatment module respectively and compares the power consumption Qi of each treatment module with the module power consumption standard Qi0 corresponding to each treatment module to determine whether the power consumption of each treatment module is qualified; If Qi ≤ Qi0, the energy consumption analysis unit determines that the power consumption of this treatment module is qualified; If Qi > Qi0, the energy consumption analysis unit determines that the power consumption of this treatment module is unqualified; Among them, the first energy consumption analysis condition is Qz0 < Qz, where i = 1, 2, 3, Q1 is the power consumption of the first processing module, Q2 is the power consumption of the second processing module, Q3 is the power consumption of the third processing module, Q10 is the module power consumption standard corresponding to the first processing module, Q20 is the module power consumption standard corresponding to the second processing module, Q30 is the module power consumption standard corresponding to the third processing module, and 0 < Q10 < Q30 < Q20; Under the second energy consumption analysis condition, the energy consumption analysis unit controls the data acquisition unit to collect the dissolved oxygen content M of the sewage in the second processing module and compare M with the preset dissolved oxygen content to determine whether to adjust the power of the aeration device of the second processing module. The energy consumption analysis unit is provided with a first preset dissolved oxygen content M1, a second preset dissolved oxygen content M2, a first preset aeration power adjustment coefficient α1, a second preset aeration power adjustment coefficient α2, and a second preset aeration power adjustment coefficient α3, where 0 < M1 < M2, 0 < α3 < α2 < 1 < α1; If M ≤ M1, the energy consumption analysis unit determines to use α1 to adjust the power of the aeration device, sets the adjusted power as P, and sets P = P0 × α1, where P0 is the initial power of the aeration device and 0 < P0; If M1 < M ≤ M2, the energy consumption analysis unit determines to use α2 to adjust the power of the aeration device, sets the adjusted power as P, and sets P = P0 × α2; If M2 < M, the energy consumption analysis unit determines to use α3 to adjust the power of the aeration device, sets the adjusted power as P, and sets P = P0 × α3; Among them, the second energy consumption analysis condition is that the power consumption of the second processing module is unqualified and the power consumption of the first processing module and the third processing module is qualified.

2. The sewage treatment intelligent operation management system based on digital twin according to claim 1, wherein Under the third energy consumption analysis condition, the energy consumption analysis unit detects the oil pollutant content Mx in the sewage processed by the first processing module and compares Mx with the preset oil pollutant content to determine whether to adjust the power of the temperature control component of the first processing module. The energy consumption analysis unit is provided with a first preset oil pollutant content Mx1, a second preset oil pollutant content Mx2, and a temperature control component adjustment coefficient ζ, where 0 < Mx1 < Mx2 and 0 < ζ; If Mx < Mx1, the energy consumption analysis unit determines to lower the power of the temperature control component of the first processing module to Pw, and sets Pw = Pw0 × ζ, where ζ = Mx / Mx1; If Mx1 ≤ Mx ≤ Mx2, the energy consumption analysis unit determines whether to adjust the power of the temperature control component of the first processing module according to the sludge volume in the third processing module; If Mx2 < Mx, the energy consumption analysis unit determines not to adjust the power of the temperature control component of the first processing module; Among them, the third energy consumption analysis condition is M ≤ M1.

3. The sewage treatment intelligent operation management system based on digital twin according to claim 2, characterized in that, The energy consumption analysis unit controls the data acquisition unit to detect the current ambient temperature T under the temperature control compensation adjustment condition, and compares T with the preset ambient temperature to determine whether to compensate and adjust Pw. The energy consumption analysis unit is provided with a first preset ambient temperature T1, a second preset ambient temperature T2, a first preset compensation adjustment coefficient β1 and a second preset compensation adjustment coefficient β2, where 0 < T1 < T2, 0 < β2 < 1 < β1; If T ≤ T1, the energy consumption analysis unit determines to use β1 to compensate and adjust the power of the temperature control component to Pw', and sets Pw' = Pw × β1; If T1 < T ≤ T, the energy consumption analysis unit determines that there is no need to compensate and adjust Pw; If T ≤ 0 or T2 < T, the energy consumption analysis unit determines to use β2 to compensate and adjust the power of the temperature control component to Pw', and sets Pw' = Pw × β2; Among them, the temperature control compensation adjustment condition is that the energy consumption analysis unit completes the power adjustment of the temperature control component of the first processing module.

4. The intelligent operation management system for sewage treatment based on digital twin according to claim 3, characterized in that The energy consumption analysis unit detects the sludge volume Mc in the third processing module under the fourth energy consumption analysis condition, and compares Mc with the preset sludge volume to determine whether to adjust the power of the sludge cleaning device in the third processing module. The energy consumption analysis unit is provided with a first preset sludge volume Mc1, a second preset sludge volume Mc2, a first sludge cleaning device adjustment coefficient γ1 and a second sludge cleaning device adjustment coefficient γ2, where 0 < Mc1 < Mc2, 0 < γ1 < γ2; If Mc ≤ Mc1, the energy consumption analysis unit determines to use γ1 to adjust the power of the sludge cleaning device in the third processing module to Pv, and sets Pv = Pv0 × γ1; If Mc1 < Mc ≤ Mc2, the energy consumption analysis unit determines to use γ2 to adjust the power of the sludge cleaning device in the third processing module to Pv, and sets Pv = Pv0 × γ2; If Mc2 < Mc, the energy consumption analysis unit determines not to adjust the power of the sludge cleaning device in the third processing module; Among them, the fourth energy consumption analysis condition is Mx ≥ Mx1.

5. The sewage treatment intelligent operation management system based on digital twin according to claim 4, characterized in that, The energy consumption analysis unit calculates the difference △Mc between Mc and Mc2 under the fifth energy consumption analysis condition, sets △Mc = Mc2 - Mc, and the energy consumption analysis unit compares △Mc with the preset reference difference to determine whether to adjust the power of the temperature control component. The energy consumption analysis unit is provided with a first preset reference difference △Mc1 and a second preset reference difference △Mc2 If △Mc ≤ 0, the energy consumption analysis unit determines to lower the power of the temperature control component of the first processing module to Pw, and sets Pw = Pw0 × ζ, ζ = Mx / Mx2; If 0 < △Mc ≤ △Mc1, the energy consumption analysis unit determines to lower the power of the temperature control component of the first processing module to Pw, and sets Pw = Pw0 × ζ, ζ = Mx / Mx2 × 0.8; If △Mc1 < △Mc, the energy consumption analysis unit determines that the current energy consumption adjustment cannot meet the standard and transmits the determination information to the display unit to remind of the attention to power loss; Among them, the fifth energy consumption analysis condition is Mx1 ≤ Mx ≤ Mx2.

6. The sewage treatment intelligent operation management system based on digital twin according to claim 5, characterized in that, The energy consumption analysis unit detects the amount of sewage L purified by the sewage treatment unit within a preset processing time under the energy consumption standard adjustment condition, and compares L with the preset sewage volume to determine whether to adjust Qz0. The energy consumption analysis unit is provided with a first preset sewage volume L1, a second preset sewage volume L2, a first energy consumption standard adjustment coefficient δ1, and a second energy consumption standard adjustment coefficient δ2, where 0 < L1 < L2 and 0 < δ1 < 1 < δ2; If L ≤ L1, the energy consumption analysis unit determines to adjust Qz0 to Qz0', and sets Qz0' = Qz0 × δ1; If L1 < L ≤ L2, the energy consumption analysis unit determines that there is no need to adjust Qz0; If L2 < L, the energy consumption analysis unit determines to adjust Qz0 to Qz0', and sets Qz0' = Qz0 × δ2; Among them, the energy consumption standard adjustment condition is that the sewage treatment module starts to operate and the operation duration reaches the preset processing time t, and it is set that 0 < t.

7. The intelligent operation management system for sewage treatment based on digital twin according to claim 6, characterized in that, The energy consumption analysis unit is provided with a data learning module for storing the power data of the power-consuming devices in each module to generate digital twin operation data, and capable of adjusting the values of the corresponding module power consumption standards for comparison according to the power data of the power-consuming devices in each module; Among them, the method of adjusting the values of the corresponding module power consumption standards for comparison according to the power data of each power-consuming device includes: Obtain historical data, display the historical data on the horizontal number axis, select the historical data within a preset selection range between the minimum value and the maximum value on the horizontal number axis of the historical data, and record the position with the largest data volume within the preset selection range as the preselected interval; Calculate the average value of the data within the preselected interval, and record this average value as the module power consumption standard of the corresponding power-consuming device; Among them, the preset selection range is a closed interval, and the interval length of the closed interval of the preset selection range is 70% of the length between the minimum value and the maximum value on the horizontal number axis of the historical data.

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