CN113484057A - Method, equipment and system for calculating and evaluating energy efficiency of water treatment facility - Google Patents
Method, equipment and system for calculating and evaluating energy efficiency of water treatment facility Download PDFInfo
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Abstract
The invention discloses a method, equipment and a system for calculating and evaluating the energy efficiency of a water treatment facility, which are used for obtaining the total water outlet flow Q of the water treatment facility within a certain timeiObtaining the corresponding total water outlet flow Q of the water treatment facilityiTotal power consumption data W ofiAnd monitoring the abnormal operation condition of the water treatment facility to obtain the abnormal water outlet flow Q of the water treatment facility under the abnormal operation conditionuAnd obtaining the corresponding abnormal water outlet flow Q of the water treatment facilityuAbnormal power consumption data W ofuPerforming data filtering on the abnormal energy efficiency data, removing the abnormal energy efficiency data from the overall energy efficiency data, and obtaining and recording the normal effluent flow QnAnd normal power consumption data WnCalculating to obtain actual energy efficiency value eta of water treatment facility, and calculating the actual energy efficiency value etaAnd storing. The method for calculating and evaluating the energy efficiency of the water treatment facility can comprehensively and truly evaluate the energy efficiency level of one water treatment facility in normal operation by reserving the actual normal operation energy efficiency data of the water treatment facility.
Description
Technical Field
The invention relates to the technical field of energy efficiency management, in particular to a method, equipment and a system for computing and evaluating energy efficiency of a water treatment facility.
Background
Facilities for water treatment comprise sewage plants (stations), water purification plants (stations), pump stations, agricultural and sewage treatment terminals and the like, wherein the electricity consumption and the treated water quantity of the traditional water treatment facilities are measured during operation, but the electricity consumption data of the traditional water treatment facilities are not taken as an energy efficiency index for daily online recording and display, or the energy efficiency of the water treatment facilities is generally considered, but related data of invalid treatment time intervals are often taken into calculation, so that the directly obtained energy efficiency index is inaccurate, the energy efficiency management level of the water treatment facilities during real and normal operation cannot be comprehensively reflected, and after the energy-saving measures are adopted for the water treatment facilities, the interference of the invalid treatment data is caused, and the energy efficiency improvement level before and after the energy-saving measures are adopted cannot be truly fed back.
Disclosure of Invention
In order to solve the problems, the technical scheme provided by the invention is as follows:
a method for calculating and evaluating the energy efficiency of a water treatment facility is characterized by comprising
S100, acquiring the total water outlet flow Q of the water treatment facility within a certain timeiObtaining the corresponding total water outlet flow Q of the water treatment facilityiTotal power consumption data W ofiRecording the overall energy efficiency data of the water treatment facility;
s200, monitoring the abnormal operation condition of the water treatment facility, and acquiring the abnormal water outlet flow Q of the water treatment facility under the abnormal operation conditionuAnd obtaining the corresponding abnormal water outlet flow Q of the water treatment facilityuAbnormal power consumption data W ofuRecording abnormal energy efficiency data of the water treatment facility, performing data filtering on the abnormal energy efficiency data, removing the abnormal energy efficiency data from the overall energy efficiency data, and obtaining and recording normal water outlet flow QnAnd normal power consumption data WnNormal water flow rate QnTotal water outlet flow QiAbnormal outflow QuNormal power consumption data WnTotal power consumption data WiAbnormal electricity consumption data Wu;
S300, calculatingActual energy efficiency value eta to water treatment facility, which is normal electricity consumption data WnNormal water flow rate QnAnd storing the actual energy efficiency value eta data.
The present invention is further configured such that said S200 comprises the steps of,
s210, monitoring the abnormal water quality condition of the water treatment facility, and acquiring the abnormal water outlet flow Q of the water treatment facility under the abnormal water quality conditionu1And obtaining the corresponding abnormal water outlet flow Q of the water treatment facilityu1Abnormal power consumption data W ofu1Recording water quality abnormal energy efficiency data of the water treatment facility, performing data filtering on the water quality abnormal energy efficiency data, removing the water quality abnormal energy efficiency data from the overall energy efficiency data,
s220, monitoring the abnormal condition of the instrument of the water treatment facility, and acquiring the abnormal water outlet flow Q of the water treatment facility under the abnormal condition of the instrumentu2And obtaining the corresponding abnormal water outlet flow Q of the water treatment facilityu2Abnormal power consumption data W ofu2And recording the abnormal energy efficiency data of the instrument of the water treatment facility, performing data filtering on the abnormal energy efficiency data of the instrument, and removing the abnormal energy efficiency data of the instrument from the total energy efficiency data.
The invention is further set to further comprise S400, taking a certain energy-saving measure adopted by the water treatment facility as a node, and recording the actual energy-efficient value eta of the water treatment facility before the energy-saving measure is adopted1And the actual energy efficiency value eta of the water treatment facility after adopting the energy-saving measure2Calculating to obtain the actual energy-efficient value eta of the water treatment facility before the energy-saving measures are adopted1And the actual energy efficiency value eta of the water treatment facility after adopting the energy-saving measure2The difference of (a).
The present invention is further configured such that said S400 comprises the steps of,
s410, calculating the energy saving amount W of the water treatment facility after energy saving measures are adoptedsObtaining the water outlet flow Q of the water treatment facility after adopting the energy-saving measuresSaving energy WsThe actual energy value eta of the water treatment facility before the energy-saving measure is adopted1Actual effective value eta of water treatment facilities after energy-saving measures have been taken2) Water treatment facility after energy-saving measuresWater flow rate Q of water applications;
S420, calculating the energy saving rate xi c of the water treatment facility after the energy saving measures are adopted (the actual energy efficiency value eta of the water treatment facility before the energy saving measures are adopted)1Actual effective value eta of water treatment facilities after energy-saving measures have been taken2) Actual energy efficiency value eta of water treatment facility before energy-saving measures are adopted1。
The present invention is further configured at S300 to further display the actual energy efficiency value η in a report or a trend curve, where the statistical time of the actual energy efficiency values of the water treatment facility includes at least one of year, quarter, month, week, day, or total operation time of the water treatment facility.
The invention is further set in that S100 also comprises the step of obtaining the total water outlet flow Q of the energy-saving measure unit in the same period of timeipObtaining the total water outlet flow Q corresponding to the unit adopting the energy-saving measureipTotal power consumption data W ofipRecording the overall energy efficiency data of the water treatment facility,
s200, monitoring the abnormal operation condition of the energy-saving measure unit, and acquiring the abnormal water outlet flow Q of the energy-saving measure unit under the abnormal operation conditionupAnd obtaining the abnormal water outlet flow Q corresponding to the energy-saving measure unitupAbnormal power consumption data W ofupRecording abnormal energy efficiency data of the energy-saving measure unit, performing data filtering on the abnormal energy efficiency data, removing the abnormal energy efficiency data from the overall energy efficiency data, and obtaining and recording normal water outlet flow Q of the energy-saving measure unitnpAnd normal power consumption data WnpNormal water flow rate QnpTotal water outlet flow QipAbnormal outflow QupNormal power consumption data WnpTotal power consumption data WipAbnormal electricity consumption data Wup,
S300, calculating to obtain an actual energy efficiency value eta of the unit adopting the energy-saving measurespPractical effective value etapNormal power consumption data WnpNormal water flow rate QnpTo the actual effective value etapThe data is stored in a memory provided with a memory,
the S400 further packetTaking a certain energy-saving measure adopted by a water treatment facility as a node, and recording the actual energy-efficient value eta of an energy-saving measure unit adopted before the energy-saving measure is adoptedp1And the actual energy efficiency value eta of the energy-saving measure unit after the energy-saving measure is adoptedp2Calculating to obtain the actual energy value eta of the unit adopting the energy-saving measure before adopting the energy-saving measurep1And the actual energy efficiency value eta of the energy-saving measure unit after the energy-saving measure is adoptedp2The difference value of (a) to (b),
s420 also comprises the step of calculating the energy saving rate xi c of the unit adopting the energy saving measures after adopting the energy saving measurespThe actual energy value eta of the energy-saving measure unit before the energy-saving measure is adoptedp1Actual energy value η of energy-saving measure unit after energy-saving measurep2) Actual energy value eta of energy-saving measure unit before energy-saving measurep1,
S500, comparing the energy-saving rate xi c of the water treatment facility after the energy-saving measure is adopted with the energy-saving rate xi c of the water treatment facility after the energy-saving measure is adopted and the energy-saving measure unit is adoptedp。
The water treatment facility energy efficiency equipment adopting the water treatment facility energy efficiency calculation and evaluation method comprises a main data acquisition and operation unit, a communication management unit, an abnormal data acquisition unit and a display unit,
the main data acquisition and operation unit acquires the water outlet flow of the water treatment facility and power consumption data corresponding to the water outlet flow, records the water outlet flow and the power consumption data, and performs data filtering processing to obtain an actual energy efficiency value;
the abnormal data acquisition unit acquires the water quality abnormal conditions of inlet and outlet water of the water treatment facility, the abnormal conditions of instruments and the abnormal conditions of weather and sends the abnormal conditions to the main data acquisition and operation unit;
the display unit receives the data signal of the main data acquisition and operation unit to display the actual energy efficiency value, the water outlet flow and the power consumption data;
the communication management unit comprises a wireless communication module and a wired communication module, and is electrically connected with the main data acquisition and operation unit.
The invention is further provided with an extended energy-saving control algorithm module unit which is electrically connected with the main data acquisition and operation unit.
The utility model provides a water treatment facility efficiency control system, includes foretell water treatment facility efficiency equipment, water inflow flowmeter, play water flowmeter, power consumption metering device, export water quality appearance and weather monitoring device, water inflow flowmeter and play water flowmeter are the inflow and the play water flow of water treatment facility respectively, power consumption metering device measures the power consumption data of water treatment facility, the quality of water condition of export water treatment facility export is monitored to export water quality appearance, the weather monitoring device is monitored the position weather condition that water treatment facility locates, water inflow flowmeter, play water flowmeter, power consumption metering device, export water quality appearance and weather monitoring device are connected with water treatment facility efficiency equipment electricity respectively.
The invention further provides the water treatment system which further comprises an inlet water quality instrument, wherein the inlet water quality instrument monitors the water quality condition of an inlet of the water treatment facility, and is electrically connected with the energy efficiency equipment of the water treatment facility.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
when the method for calculating and evaluating the energy efficiency of the water treatment facility considers the energy efficiency totality of the water treatment facility, the water outlet flow and the power consumption data of the abnormal water treatment are removed from the totality energy efficiency data by monitoring the abnormal operation condition, the actual normal operation energy efficiency data of the water treatment facility is reserved, and the energy efficiency level of the water treatment facility in normal operation can be comprehensively and really evaluated; after the water treatment facilities are subjected to a certain energy-saving means, the method can be used for visually observing the overall energy efficiency management level of the water treatment facilities, reducing the influence of external variable factors, providing a data comparison basis with the water treatment facilities of the same type, providing a management basis for improving the energy efficiency condition of the whole plant, and even more accurately obtaining the energy saving amount and the energy saving rate of the water treatment facilities after the energy-saving means is adopted to evaluate the energy efficiency improvement amplitude brought by the energy-saving means.
And calculating the energy saving rate of the energy saving measure unit to obtain the energy saving rate xi c of the energy saving measure unit after the energy saving measure is adoptedpThe energy-saving rate xi c of the water treatment facility after adopting the energy-saving measure and the energy-saving rate xi c of the energy-saving measure unit after adopting the energy-saving measurepAnd comparing to judge the energy-saving influence degree of the unit and the water treatment facility by adopting the energy-saving measure, and providing reference for the water treatment facility and the energy-saving strategy subsequently adopted by the energy-saving measure unit.
According to the energy efficiency equipment and the energy efficiency control system for the water treatment facility, the abnormal conditions of water quality, the abnormal conditions of instruments and the abnormal conditions of weather at the positions of the water treatment facility are monitored, and meanwhile, the total inlet and outlet flow and the total power consumption data of the water treatment facility and the abnormal inlet and outlet flow and abnormal power consumption data under the abnormal conditions are collected, so that the influence of the water treatment facility or the outside on the actual energy efficiency level can be comprehensively reduced, and an important hardware support is provided for the calculation and evaluation method for the energy efficiency of the water treatment facility.
Drawings
FIG. 1 is a flow chart of a method for computing and evaluating energy efficiency of a water treatment facility according to an embodiment of the invention.
FIG. 2 is a block diagram of an energy efficient device for a water treatment facility according to an embodiment of the present invention.
FIG. 3 is a schematic diagram of an energy efficiency control system of a water treatment facility according to an embodiment of the invention.
Detailed Description
For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, integrally connected, or detachably connected; either mechanically or electrically, or internally communicating two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meanings of the above terms according to specific situations.
Example 1
With reference to the attached drawing 1, the technical scheme of the invention is a calculation and evaluation method for energy efficiency of a water treatment facility, which comprises the following steps
S100, acquiring the total water outlet flow Q of the water treatment facility within a certain timeiObtaining the corresponding total water outlet flow Q of the water treatment facilityiTotal power consumption data W ofiRecording the overall energy efficiency data of the water treatment facility;
s200, monitoring the abnormal operation condition of the water treatment facility, and acquiring the abnormal water outlet flow Q of the water treatment facility under the abnormal operation conditionuAnd obtaining the corresponding abnormal water outlet flow Q of the water treatment facilityuAbnormal power consumption data W ofuRecording abnormal energy efficiency data of the water treatment facility, performing data filtering on the abnormal energy efficiency data, removing the abnormal energy efficiency data from the overall energy efficiency data, and obtaining and recording normal water outlet flow QnAnd normal power consumption data WnNormal water flow rate QnTotal water outlet flow QiAbnormal outflow QuNormal power consumption data WnTotal power consumption data WiAbnormal electricity consumption data Wu;
S300, calculating to obtain an actual energy efficiency value eta of the water treatment facility, wherein the actual energy efficiency value eta is the normal power consumption data WnNormal water flow rate QnStoring the actual energy efficiency value eta data;
s400, taking a certain energy-saving measure adopted by the water treatment facility as a node, and recording the actual energy-efficient value eta of the water treatment facility before the energy-saving measure is adopted1And the actual energy efficiency value eta of the water treatment facility after adopting the energy-saving measure2Calculating to obtain the actual energy-efficient value eta of the water treatment facility before the energy-saving measures are adopted1And the actual energy efficiency value eta of the water treatment facility after adopting the energy-saving measure2The difference of (a).
Wherein, S200 comprises the following steps,
s210, monitoring the abnormal water quality condition of the water treatment facility, and acquiring the abnormal water outlet flow Q of the water treatment facility under the abnormal water quality conditionu1And a pair of facilities for obtaining water treatmentAbnormal water outlet flow Qu1Abnormal power consumption data W ofu1Recording water quality abnormal energy efficiency data of the water treatment facility, performing data filtering on the water quality abnormal energy efficiency data, removing the water quality abnormal energy efficiency data from the overall energy efficiency data,
for example, when the COD index of the inlet water quality of a certain sewage plant continuously exceeds 1500mg/L for 25 hours, corresponding power consumption in the 25-hour time period is automatically removed, and corresponding outlet water flow in the 25-hour time period is removed (a treatment cycle time can be delayed during specific operation).
For example, if the total phosphorus index of the effluent quality of a certain sewage plant continuously exceeds the national standard for 8 hours, the corresponding power consumption in the 8-hour time period is automatically removed, and the corresponding effluent flow in the 8-hour time period is removed when the actual energy efficiency value is calculated.
And for example, when the weather is disastrous such as typhoon and the like, the conditions of entering and leaving the factory (station) are abnormal, and the water outlet flow and the power consumption data in the period are correspondingly and automatically filtered according to the weather actual conditions.
S220, monitoring the abnormal condition of the instrument of the water treatment facility, and acquiring the abnormal water outlet flow Q of the water treatment facility under the abnormal condition of the instrumentu2And obtaining the corresponding abnormal water outlet flow Q of the water treatment facilityu2Abnormal power consumption data W ofu2And recording the abnormal energy efficiency data of the instrument of the water treatment facility, performing data filtering on the abnormal energy efficiency data of the instrument, and removing the abnormal energy efficiency data of the instrument from the total energy efficiency data.
For example, the newly arranged electric energy meter and the newly arranged water outlet flow meter are intelligently compared with the similar meters of the existing water treatment facilities, the error is averaged within 3 times of the precision of the meters, the precision value exceeds 3 times, and the electric efficiency calculation evaluation is not included.
For another example, when a flow meter fails in a certain time period, data jumping change does not exist within a certain time period, and the fact process is in operation, and abnormal data acquisition units are automatically removed by the flow and electricity data in the time period.
The step S300 further includes displaying the actual energy efficiency value η in a report or a trend curve.
Wherein, S400 comprises the following steps,
s410, calculating the energy saving amount W of the water treatment facility after energy saving measures are adoptedsObtaining the water outlet flow Q of the water treatment facility after adopting the energy-saving measuresSaving energy WsThe actual energy value eta of the water treatment facility before the energy-saving measure is adopted1Actual effective value eta of water treatment facilities after energy-saving measures have been taken2) Water outlet flow Q of water treatment facility after energy-saving measuress;
S420, calculating the energy saving rate xi c of the water treatment facility after the energy saving measures are adopted (the actual energy efficiency value eta of the water treatment facility before the energy saving measures are adopted)1Actual effective value eta of water treatment facilities after energy-saving measures have been taken2) Actual energy efficiency value eta of water treatment facility before energy-saving measures are adopted1。
Wherein, the statistical time of the actual energy efficiency values of the water treatment facilities comprises at least one of year, quarter, month, week, day or total running time of the water treatment facilities, and can be selected according to the actual requirements of the specific water treatment facilities.
When the method for calculating and evaluating the energy efficiency of the water treatment facility considers the energy efficiency totality of the water treatment facility, the water outlet flow and the power consumption data of the abnormal water treatment are removed from the totality energy efficiency data by monitoring the abnormal operation condition, the actual normal operation energy efficiency data of the water treatment facility is reserved, and the energy efficiency level of the water treatment facility in normal operation can be comprehensively and really evaluated; after the water treatment facilities are subjected to a certain energy-saving means, the method can be used for visually observing the overall energy efficiency management level of the water treatment facilities, reducing the influence of external variable factors, providing a data comparison basis with the water treatment facilities of the same type, providing a management basis for improving the energy efficiency condition of the whole plant, and even more accurately obtaining the energy saving amount and the energy saving rate of the water treatment facilities after the energy-saving means is adopted to evaluate the energy efficiency improvement amplitude brought by the energy-saving means.
Example 2
Example 2 on the basis of example 1, the energy-saving measure unit adopted by the water treatment facility is also adoptedCalculating and collecting the energy saving rate to obtain the energy saving rate xi c of the energy saving measure unit after the energy saving measure is adoptedpThe energy-saving rate xi c of the water treatment facility after adopting the energy-saving measure and the energy-saving rate xi c of the energy-saving measure unit after adopting the energy-saving measurepComparing, judging the energy-saving influence degree of the energy-saving measure on the unit and the energy-saving influence degree of the energy-saving measure on the water treatment facility, and providing reference for the water treatment facility and the energy-saving strategy subsequently adopted by the energy-saving measure unit, wherein the specific additional steps are as follows:
the S100 also comprises the step of obtaining the total water outlet flow Q of the energy-saving measure unit in the same period of timeipObtaining the total water outlet flow Q corresponding to the unit adopting the energy-saving measureipTotal power consumption data W ofipRecording the overall energy efficiency data of the water treatment facility,
s200, monitoring the abnormal operation condition of the energy-saving measure unit, and acquiring the abnormal water outlet flow Q of the energy-saving measure unit under the abnormal operation conditionupAnd obtaining the abnormal water outlet flow Q corresponding to the energy-saving measure unitupAbnormal power consumption data W ofupRecording abnormal energy efficiency data of the energy-saving measure unit, performing data filtering on the abnormal energy efficiency data, removing the abnormal energy efficiency data from the overall energy efficiency data, and obtaining and recording normal water outlet flow Q of the energy-saving measure unitnpAnd normal power consumption data WnpNormal water flow rate QnpTotal water outlet flow QipAbnormal outflow QupNormal power consumption data WnpTotal power consumption data WipAbnormal electricity consumption data Wup,
S300, calculating to obtain an actual energy efficiency value eta of the unit adopting the energy-saving measurespPractical effective value etapNormal power consumption data WnpNormal water flow rate QnpTo the actual effective value etapThe data is stored in a memory provided with a memory,
s400, taking a certain energy-saving measure adopted by the water treatment facility as a node, and recording the actual energy-efficiency value eta of the energy-saving measure unit adopted before the energy-saving measure is adoptedp1And after adopting energy-saving measures, adopting a sectionActual energy value eta of energy measure unitp2Calculating to obtain the actual energy value eta of the unit adopting the energy-saving measure before adopting the energy-saving measurep1And the actual energy efficiency value eta of the energy-saving measure unit after the energy-saving measure is adoptedp2The difference value of (a) to (b),
s420 also comprises the step of calculating the energy saving rate xi c of the unit adopting the energy saving measures after adopting the energy saving measurespThe actual energy value eta of the energy-saving measure unit before the energy-saving measure is adoptedp1Actual energy value η of energy-saving measure unit after energy-saving measurep2) Actual energy value eta of energy-saving measure unit before energy-saving measurep1,
S500, comparing the energy-saving rate xi c of the water treatment facility after the energy-saving measure is adopted with the energy-saving rate xi c of the water treatment facility after the energy-saving measure is adopted and the energy-saving measure unit is adoptedp。
Example 3
With reference to fig. 2, the technical scheme of the invention is that the energy efficiency equipment of the water treatment facility comprises a main data acquisition and operation unit 11, a communication management unit 12, an abnormal data acquisition unit 13, a display unit 14 and an extended energy-saving control algorithm module unit 15,
the main data acquisition and operation unit 11 acquires the water outlet flow of the water treatment facility and the power consumption data corresponding to the water outlet flow, and records and filters the water outlet flow and the power consumption data to obtain an actual energy efficiency value;
the abnormal data acquisition unit 13 acquires the water quality abnormal conditions of inlet and outlet water of the water treatment facility, the abnormal conditions of instruments and the abnormal conditions of weather and sends the abnormal conditions to the main data acquisition and operation unit 11;
the display unit 14 receives the data signal of the main data acquisition and operation unit 11 to display the actual energy efficiency value, the effluent flow and the power consumption data;
the communication management unit 12 comprises a wireless communication module and a wired communication module, the communication management unit 12 is electrically connected with the main data acquisition and operation unit 11, the wireless communication module can be in a Zigbee mode, a Bluetooth mode, a Wifi mode and the like, and the wired communication module can be in a RS485 mode, an RS232 mode, an M-BUS mode and the like;
the energy efficiency equipment of the water treatment facility also comprises a process part energy efficiency analysis unit 16 connected with the main data acquisition and operation unit 11, aiming at energy-saving measure units or a certain processing unit adopted in the water treatment facility to carry out energy efficiency analysis, the process part energy efficiency analysis unit 16 can be used for outputting alarm signals, data curves, abnormal states and the like;
the extended energy-saving control algorithm module unit 15 is electrically connected with the main data acquisition and operation unit 11, an interface is reserved in the extended energy-saving control algorithm module unit, other functional units can be additionally arranged according to different application occasions, and the requirements of various customers are met.
Example 4
With reference to the attached drawing 3, the technical scheme of the invention is a water treatment facility energy efficiency control system, which comprises the water treatment facility energy efficiency equipment 1, a water inlet flow meter 2, a water outlet flow meter 3, an electricity consumption metering device 4, an outlet water quality meter 5, a weather monitoring device 6 and an inlet water quality meter 7, the water inlet flow meter 2 and the water outlet flow meter 3 respectively meter the water inlet flow and the water outlet flow of the water treatment facility, the electricity consumption metering device 4 meters electricity consumption data of the water treatment facility, the outlet water quality meter 5 monitors the water quality condition at the outlet of the water treatment facility, the inlet water quality meter 7 monitors the water quality condition of the inlet of the water treatment facility, the weather monitoring device 6 monitors the weather condition of the position of the water treatment facility, the water inlet flow meter 2, the water outlet flow meter 3, the electricity consumption metering device 4, the outlet water quality meter 5, the weather monitoring device 6 and the inlet water quality meter 7 are respectively electrically connected with the energy efficiency equipment 1 of the water treatment facility.
Taking a sewage treatment station in a certain rural area as an example, the daily treatment capacity is 150m3And the energy efficiency equipment of the water treatment facility collects data of the electric power instrument in a wired (RS485 MODBUS) mode, collects data of the electromagnetic flow meter through an HART protocol, and collects data of water quality through environmental protection to display that 6 hours is abnormal conditions. The data are as follows:
the flow meter (cumulative) reading at 1 day zero at 3 months and 1 year 2021 is 20350m3(ii) a The reading of the electric power meter is 1780 degrees;
flow meter (cumulative) reading at 1 day zero at 4 months in 2021 is 25000m3(ii) a The reading of the electric power meter is 3226 degrees;
the abnormal reading is based on the alarm signal of the environment-friendly acquisition instrument, COD output exceeds the standard at 18-24 days 3/8 months in 2021 year, and the flow acquisition difference is deducted by 90m3(ii) a Deduct the electric degree acquisition difference of 3 degrees.
The actual monthly energy value of the rural sewage station is as follows:
(3226-1780-3)/(25000-20350-90) 0.3164 degree/ton
Namely, the effective value of the actual monthly energy is: 316.4 degrees/kiloton
The actual monthly energy effective value is displayed on the display unit HMI and displayed by a report or a trend curve, and meanwhile, the actual monthly energy effective value can be converted into data of different units according to the requirement.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. A method for calculating and evaluating the energy efficiency of a water treatment facility is characterized by comprising
S100, acquiring the total water outlet flow Q of the water treatment facility within a certain timeiObtaining the corresponding total water outlet flow Q of the water treatment facilityiTotal power consumption data W ofiRecording the overall energy efficiency data of the water treatment facility;
s200, monitoring the abnormal operation condition of the water treatment facility, and acquiring the abnormal water outlet flow Q of the water treatment facility under the abnormal operation conditionuAnd obtaining the corresponding abnormal water outlet flow Q of the water treatment facilityuAbnormal power consumption data W ofuRecording abnormal energy efficiency data of the water treatment facility, performing data filtering on the abnormal energy efficiency data, removing the abnormal energy efficiency data from the overall energy efficiency data, and obtaining and recording normal water outlet flow QnAnd normal power consumption data WnNormal water flow rate QnTotal water outlet flow QiAbnormal outflow QuNormal power consumption data WnTotal power consumption data WiAbnormal electricity consumption data Wu;
S300, calculating to obtain an actual energy efficiency value eta of the water treatment facility, wherein the actual energy efficiency value eta is the normal power consumption data WnNormal water flow rate QnAnd storing the actual energy efficiency value eta data.
2. The method for computational evaluation of energy efficiency of a water treatment facility according to claim 1, wherein S200 comprises the steps of,
s210, monitoring the abnormal water quality condition of the water treatment facility, and acquiring the abnormal water outlet flow Q of the water treatment facility under the abnormal water quality conditionu1And obtaining the corresponding abnormal water outlet flow Q of the water treatment facilityu1Abnormal power consumption data W ofu1Recording water quality abnormal energy efficiency data of the water treatment facility, performing data filtering on the water quality abnormal energy efficiency data, removing the water quality abnormal energy efficiency data from the overall energy efficiency data,
s220, monitoring the abnormal condition of the instrument of the water treatment facility, and acquiring the abnormal water outlet flow Q of the water treatment facility under the abnormal condition of the instrumentu2And obtaining the corresponding abnormal water outlet flow Q of the water treatment facilityu2Abnormal power consumption data W ofu2And recording the abnormal energy efficiency data of the instrument of the water treatment facility, performing data filtering on the abnormal energy efficiency data of the instrument, and removing the abnormal energy efficiency data of the instrument from the total energy efficiency data.
3. The method of claim 1, further comprising step S400 of recording the actual energy efficiency value η of the water treatment facility before the energy saving measure is taken as a node of the energy saving measure taken by the water treatment facility1And the actual energy efficiency value eta of the water treatment facility after adopting the energy-saving measure2Calculating to obtain the actual energy-efficient value eta of the water treatment facility before the energy-saving measures are adopted1And the actual energy efficiency value eta of the water treatment facility after adopting the energy-saving measure2The difference of (a).
4. The method for computational evaluation of energy efficiency of a water treatment facility according to claim 3, wherein S400 comprises the steps of,
s410, calculating the energy saving amount W of the water treatment facility after energy saving measures are adoptedsObtaining the water outlet flow Q of the water treatment facility after adopting the energy-saving measuresSaving energy WsThe actual energy value eta of the water treatment facility before the energy-saving measure is adopted1Actual effective value eta of water treatment facilities after energy-saving measures have been taken2) Water outlet flow Q of water treatment facility after energy-saving measuress;
S420, calculating the energy saving rate xi c of the water treatment facility after the energy saving measures are adopted (the actual energy efficiency value eta of the water treatment facility before the energy saving measures are adopted)1Actual effective value eta of water treatment facilities after energy-saving measures have been taken2) Actual energy efficiency value eta of water treatment facility before energy-saving measures are adopted1。
5. The method of claim 1, wherein the step S300 further comprises displaying the actual energy efficiency value η in a report or a trend curve, and the statistical time of the actual energy efficiency value of the water treatment facility comprises at least one of year, quarter, month, week, day or total operation time of the water treatment facility.
6. The method for energy efficiency calculation and assessment of water treatment facilities according to claim 4, wherein said S100 further comprises obtaining the total water flow Q of the energy saving measure unit in the same period of timeipObtaining the total water outlet flow Q corresponding to the unit adopting the energy-saving measureipTotal power consumption data W ofipRecording the overall energy efficiency data of the water treatment facility,
s200, monitoring the abnormal operation condition of the energy-saving measure unit, and acquiring the abnormal water outlet flow Q of the energy-saving measure unit under the abnormal operation conditionupAnd obtaining the correspondence of the energy-saving measure unitConstant water flow rate QupAbnormal power consumption data W ofupRecording abnormal energy efficiency data of the energy-saving measure unit, performing data filtering on the abnormal energy efficiency data, removing the abnormal energy efficiency data from the overall energy efficiency data, and obtaining and recording normal water outlet flow Q of the energy-saving measure unitnpAnd normal power consumption data WnpNormal water flow rate QnpTotal water outlet flow QipAbnormal outflow QupNormal power consumption data WnpTotal power consumption data WipAbnormal electricity consumption data Wup,
S300, calculating to obtain an actual energy efficiency value eta of the unit adopting the energy-saving measurespPractical effective value etapNormal power consumption data WnpNormal water flow rate QnpTo the actual effective value etapThe data is stored in a memory provided with a memory,
s400, taking a certain energy-saving measure adopted by the water treatment facility as a node, and recording the actual energy-efficiency value eta of the energy-saving measure unit adopted before the energy-saving measure is adoptedp1And the actual energy efficiency value eta of the energy-saving measure unit after the energy-saving measure is adoptedp2Calculating to obtain the actual energy value eta of the unit adopting the energy-saving measure before adopting the energy-saving measurep1And the actual energy efficiency value eta of the energy-saving measure unit after the energy-saving measure is adoptedp2The difference value of (a) to (b),
s420 also comprises the step of calculating the energy saving rate xi c of the unit adopting the energy saving measures after adopting the energy saving measurespThe actual energy value eta of the energy-saving measure unit before the energy-saving measure is adoptedp1Actual energy value η of energy-saving measure unit after energy-saving measurep2) Actual energy value eta of energy-saving measure unit before energy-saving measurep1,
S500, comparing the energy-saving rate xi c of the water treatment facility after the energy-saving measure is adopted with the energy-saving rate xi c of the water treatment facility after the energy-saving measure is adopted and the energy-saving measure unit is adoptedp。
7. A water treatment facility energy efficiency device using the water treatment facility energy efficiency calculation evaluation method according to any one of claims 1 to 6, characterized by comprising a main data acquisition and arithmetic unit, a communication management unit, an abnormal data acquisition unit, and a display unit,
the main data acquisition and operation unit acquires the water outlet flow of the water treatment facility and power consumption data corresponding to the water outlet flow, records the water outlet flow and the power consumption data, and performs data filtering processing to obtain an actual energy efficiency value;
the abnormal data acquisition unit acquires the water quality abnormal conditions of inlet and outlet water of the water treatment facility, the abnormal conditions of instruments and the abnormal conditions of weather and sends the abnormal conditions to the main data acquisition and operation unit;
the display unit receives the data signal of the main data acquisition and operation unit to display the actual energy efficiency value, the water outlet flow and the power consumption data;
the communication management unit comprises a wireless communication module and a wired communication module, and is electrically connected with the main data acquisition and operation unit.
8. The energy efficiency control system of water treatment facilities according to claim 7, characterized by further comprising an extended energy saving control algorithm module unit, wherein the extended energy saving control algorithm module unit is electrically connected with the main data acquisition and operation unit.
9. An energy efficiency control system of a water treatment facility, comprising the energy efficiency equipment of the water treatment facility, a water inlet flow meter, a water outlet flow meter, an electricity consumption metering device, an outlet water quality instrument and a weather monitoring device according to any one of claims 7 to 8, wherein the water inlet flow meter and the water outlet flow meter respectively meter the water inlet flow and the water outlet flow of the water treatment facility, the electricity consumption metering device meters the electricity consumption data of the water treatment facility, the outlet water quality instrument monitors the water quality condition of an outlet of the water treatment facility, the weather monitoring device monitors the weather condition of the position of the water treatment facility, and the water inlet flow meter, the water outlet flow meter, the electricity consumption metering device, the outlet water quality instrument and the weather monitoring device are respectively and electrically connected with the energy efficiency equipment of the water treatment facility.
10. The energy efficiency control system of claim 9 further comprising an inlet water quality meter that monitors water quality at the inlet of the water treatment facility, the inlet water quality meter being electrically connected to the energy efficiency equipment of the water treatment facility.
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