CN109373441A - Heat supply network energy management system and its processing method - Google Patents
Heat supply network energy management system and its processing method Download PDFInfo
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- CN109373441A CN109373441A CN201811565741.9A CN201811565741A CN109373441A CN 109373441 A CN109373441 A CN 109373441A CN 201811565741 A CN201811565741 A CN 201811565741A CN 109373441 A CN109373441 A CN 109373441A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1048—Counting of energy consumption
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Abstract
The present invention provides a kind of heat supply network energy management system and its processing method, comprising: the PLC control device of multiple user side heat exchange stations, Power Plant Side Gateway Station in Heating Network DCS, data collection system, data processing system and data intelligent management system；Each measuring point in heat exchange station where every PLC control device is separately connected the PLC control device, data collection system connects all PLC control device and Power Plant Side Gateway Station in Heating Network DCS, data processing system connects data collection system, is handled according to the received data of data collection system；Data intelligence management system connects data processing system, according to the processing result of data processing system, obtains and optimizes and revises result for optimize and revise the primary net of each heat exchange station and/or the flow of secondary network, water supply and return water temperature.Above system can realize thermodynamic equilibrium, hydraulic equilibrium and the distribution according to need with heat, so that the energy maximally utilizes, and reduce the loss of energy source process.
Description
Technical field
The present invention relates to energy management technology, especially a kind of heat supply network energy management system and its processing method.
Background technique
With the development of the city and urbanization rate improves, urban population increases, the rapid expansion of city heat supply area and scale
Greatly, heat supply control lag is serious, and energy supply system energy consumption is high, and the control difficulty of heating system increases, manages not in place, pipe network
There are the imbalance of waterpower and thermal drying, water circulating pump is in the small temperature difference operating status of big flow, can not utilize existing data pair
The real-time optimization of heating system combustion adjustment and parameter, heat is uneven, and energy consumption is serious, and heating effect is difficult to ensure, is unfavorable for
The energy-saving run of heating system is unable to reach effective control in real time and energy conservation；User side heat exchange station service life factor simultaneously,
Equipment performance is caused to reduce.The significant wastage for causing the energy influences the quality of heat user.It is not suitable with the development of energy-saving and emission-reduction.
Existing Prevention in Control System of Heating Net only adjusts water and temperature by heat source side, by adjusting the heat exchange of user side user side
Temperature control door of standing adjusts waterpower and thermodynamic equilibrium.
The management of existing Prevention in Control System of Heating Net is not in place, and pipe network is there are the imbalance of waterpower and thermal drying, at water circulating pump
It, can not be using existing data to the real-time optimization of heating system combustion adjustment and parameter, heat in the small temperature difference operating status of big flow
Amount is uneven, and energy consumption is serious, and heating effect is difficult to ensure, is unfavorable for the energy-saving run of heating system, is unable to reach effective reality
When control and energy conservation.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of heat supply network energy management system and its processing method, to
Guarantee thermodynamic equilibrium, hydraulic equilibrium, distribution according to need heat, realizes and intelligent control is carried out to the heating demand of heat supply network.
In a first aspect, the present invention provides a kind of heat supply network energy management system, comprising:
The PLC control device of multiple user side heat exchange stations, Power Plant Side Gateway Station in Heating Network DCS, data collection system, data processing
System and data intelligent management system；
Each environment temperature measuring point in heat exchange station where wherein, every PLC control device is separately connected PLC control device,
Heat user temperature point, a net side temperature and pressure-measuring-point, and/or secondary net side temperature and pressure-measuring-point, every PLC control
Device is used to receive the measurement data of each measuring point of connection；
The data collection system connects all PLC control device and Power Plant Side Gateway Station in Heating Network DCS, each for receiving
The measurement data of measurement data and Power Plant Side Gateway Station in Heating Network the DCS input for the affiliated heat exchange station that a PLC control device obtains；
The data processing system connects the data collection system, and according to the received all data of data collection system
It is handled, obtains processing result；
The data intelligence management system connects the data processing system, and the processing according to the data processing system
As a result, obtaining for optimizing and revising the primary net of each heat exchange station and/or flow, water supply and/or the return water temperature of secondary network
Optimize and revise result；
The data intelligence management system connects each PLC control device, optimizes and revises knot to the transmission of PLC control device
Fruit, the PLC control device according to optimize and revise primary net and/or secondary network where result adjustment in heat exchange station flow,
Water supply and return water temperature.
Optionally, the data collection system and each PLC control device are carried out based on modbus+RTU communications protocol
Data transmission；
The data intelligence management system and each PLC control device are based on modbus+RTU communications protocol and carry out data
Transmission；
The PLC control device has DTU transmission unit；
The data intelligence management system has DTU transmission unit.
Optionally, the PLC control device is located in heat exchange station control room belonging to the PLC control device；
It is first that the data collection system, data processing system and the data intelligence management system are respectively positioned on Power Plant Side heat supply network
It stands in control room.
Optionally, the measurement data of the Power Plant Side Gateway Station in Heating Network DCS input includes:
Temperature, the pressure of Power Plant Side heat exchangers for district heating of the heat exchangers for district heating of the temperature point detection of Power Plant Side heat exchangers for district heating
The pressure value of the heat exchangers for district heating of power measuring point detection, the heat pump measurement frequency of primary net water circulating pump measuring point measurement, heat supply network return water
On trunk pipeline first flowmeter measurement flow, and/or, the real-time heating demand information of Power Plant Side；
Wherein, the real-time heating demand information of the Power Plant Side is according to temperature, the pressure in the measurement data of Power Plant Side
The information that value and flow rate calculation obtain.
Optionally, the measurement data of each heat exchange station of each PLC control device input includes:
The temperature data of the temperature data of the temperature point of heat user, primary net return water temperature measuring point, primary net is for water temperature
Spend the temperature data of measuring point, the pressure data of primary net pressure of return water measuring point, the pressure data of primary net pressure of supply water measuring point, two
The temperature data of secondary net return water temperature measuring point, the temperature data of secondary network supply water temperature measuring point, secondary network pressure of return water measuring point
Heat pump frequency measurement data, the user side of pressure data, the pressure data of secondary network pressure of supply water measuring point, secondary network water circulating pump
The temperature data of heat exchange temperature measuring point and the pressure data of pressure-measuring-point；
Environment temperature according to the environment temperature measuring point detection being mounted on outside user side regenerator volume.
Optionally, each PLC control device includes warning device；
There are at least one exceeded data in the measurement data for determining received each measuring point for the PLC control device
When, alarm signal is issued by the warning device；
Alternatively, PLC control device receives heat exchange where the PLC control device that the data intelligence management system determines
When the warning message stood, alarm signal is issued by the warning device.
Second aspect, the embodiment of the present invention also provide a kind of place based on heat supply network energy management system described in first aspect
Reason method, comprising:
The data processing system is calculated according to the received all measurement data of data collection system, obtains primary net
Predict the prediction heating demand curve of heating demand curve and secondary network, and
The data processing system is according to all measurement data, the facility information once netted and secondary network that pre-enter
Facility information, obtain the thermal loss information of thermal loss information and secondary network once netted；
It is supply water temperature that the data processing system is once netted according to the prediction heating demand curve acquisition once netted, primary
Net water supply flow, and the supply water temperature of the prediction heating demand curve acquisition secondary network according to secondary network；
The data intelligence management system is according to the prediction heat supply for predicting heating demand curve, secondary network once netted
The real-time heating demand information of load curve and the received Power Plant Side of data collection system is compared, and is obtained for optimizing
Adjust the primary net of each heat exchange station and/or the flow of secondary network, water supply and return water temperature optimizes and revises result.
Optionally, the result of optimizing and revising includes:
Secondary network supply water temperature adjusted, primary net water supply flow adjusted, and/or, it is adjusted primary to net back
Coolant-temperature gage.
Optionally, the facility information once netted includes:
Elevation, buried depth, pipe material, pipeline wall thickness, the pipe heat-transfer coefficient, heat preservation material, insulation thickness once netted,
And/or the coefficient of heat conduction of heat preservation material.
The invention has the benefit that
Firstly, passing through the temperature that acquires primary net, secondary network, heat exchange station and heat user, pressure, flow, water circulating pump
The data such as frequency are analyzed, comparison is handled, and are classified to a large amount of data, carry out temperature-compensating in conjunction with weather condition data
And correction, the thermic load data of heat user are targetedly obtained after analysis, can accurately be fitted the unit time for obtaining heat user
With heating curve, the abnormal alarm of energy consumption is provided, abnormal energy consumption is effectively managed, is dispatched according to monitoring center, adjustment one
Secondary heat supply network flow and return water temperature guarantee thermodynamic equilibrium, hydraulic equilibrium, by the distribution according to need with heat, to realize to heat supply network
Heating demand carries out intelligent control, accomplishes that the energy maximally utilizes, reduces the loss of the energy.Hot press exhaust steam residual heat is introduced simultaneously
Recovery system is recycled, the energy utilization rate of power plant is improved.
Heat supply network and heat exchange station, outdoor temperature and room temperature are monitored automatically secondly, can also realize.
Detailed description of the invention
Fig. 1 is the schematic diagram for the heat supply network energy management system that one embodiment of the invention provides；
Fig. 2 is the distribution schematic diagram of each measuring point for the PLC control device connection that one embodiment of the invention provides.
Appended drawing reference:
Heat supply network return water trunk pipeline C1；
Heat supply network water supply trunk pipeline C2；
Steam power plant heating steam bleeding system D1；
Hot press exhaust steam residual heat recovery system D2；
Steam power plant steam exhaust exhauster system D3；
Data collection system 1, data processing system 2, data intelligence management system 3；
Heat user side ring border temperature point 11,12, heat supply network side temperature of heat user temperature point and pressure-measuring-point 13, two
Secondary heat supply network side temperature and pressure-measuring-point 14, secondary network water circulating pump 15, temperature control door 16, user side heat exchange temperature and pressure-measuring-point
17, the frequency measuring point 22 of user side heat exchange station 18, flowmeter 19, Power Plant Side temperature and pressure-measuring-point 21, primary net water circulating pump.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of heat supply network energy management systems, comprising:
The PLC control device of multiple user side heat exchange stations, Power Plant Side Gateway Station in Heating Network DCS, data collection system 1, at data
Reason system 2 and data intelligent management system 3；
Each environment temperature measuring point in heat exchange station where wherein, every PLC control device is separately connected PLC control device,
Heat user temperature point, a net side temperature and pressure-measuring-point, and/or secondary net side temperature and pressure-measuring-point, every PLC control
Device is used to receive the measurement data of each measuring point of connection；
The data collection system 1 connects all PLC control device and Power Plant Side Gateway Station in Heating Network DCS, every for receiving
The measurement data of measurement data and Power Plant Side Gateway Station in Heating Network the DCS input for the affiliated heat exchange station that one PLC control device obtains；
The data processing system 2 connects the data collection system, and according to the received all numbers of data collection system
According to being handled, processing result is obtained；
The data intelligence management system 3 connects the data processing system, and the place according to the data processing system
Reason is as a result, obtain for optimizing and revising the primary net of each heat exchange station and/or the flow of secondary network, water supply and/or return water temperature
Degree optimizes and revises result；
The data intelligence management system 3 connects each PLC control device, optimizes and revises to the transmission of PLC control device
As a result, the PLC control device according to optimize and revise result control respective temperature control door realize primary net in exchange heat stations and/
Or the adjusting of the flow of secondary network, water supply and return water temperature.
In the present embodiment, data collection system 1 and each PLC control device are carried out based on modbus+RTU communications protocol
Data transmission；
The data intelligence management system 3 is based on modbus+RTU communications protocol with each PLC control device and is counted
According to transmission.
It should be understood that Modbus agreement is applied to a kind of all-purpose language on electronic controller.Configuring each control
When device processed, all devices based on Modbus agreement must all select identical transmission mode and serial ports parameter.
PLC control device in the present embodiment can have DTU transmission unit；The data intelligence management system can have
DTU (Data Transfer unit) transmission unit.
In the present embodiment, DTU (Data Transfer unit) transmission unit is used exclusively for converting serial data
Serial data is converted to for IP data or by IP data.
In practical applications, above-mentioned arbitrary PLC control device is respectively positioned on heat exchange station control room belonging to PLC control device
It is interior；Data collection system 1, data processing system and the data intelligence management system are respectively positioned on Power Plant Side Gateway Station in Heating Network control room
It is interior.
In the present embodiment, the measurement data of Power Plant Side Gateway Station in Heating Network DCS input can include:
Temperature, the pressure of Power Plant Side heat exchangers for district heating of the heat exchangers for district heating of the temperature point detection of Power Plant Side heat exchangers for district heating
The pressure value of the heat exchangers for district heating of power measuring point detection, the heat pump measurement frequency of primary net water circulating pump measuring point measurement, heat supply network return water
On trunk pipeline first flowmeter measurement flow, and/or, the real-time heating demand information of Power Plant Side；
Wherein, the real-time heating demand information of the Power Plant Side is according to temperature, the pressure in the measurement data of Power Plant Side
The information that value and flow rate calculation obtain.For example, the measurement data of Power Plant Side is inputted in preparatory software for calculation, power plant is exported
The real-time heating demand information of side.
Further, the measurement data of each heat exchange station of each PLC control device input includes: the temperature of heat user
Spend the temperature data of measuring point, the temperature data of primary net return water temperature measuring point, the temperature data of primary net supply water temperature measuring point, one
The pressure data of secondary net pressure of return water measuring point, the pressure data of primary net pressure of supply water measuring point, secondary network return water temperature measuring point
Temperature data, the temperature data of secondary network supply water temperature measuring point, the pressure data of secondary network pressure of return water measuring point, secondary network supply water
The pressure data of pressure-measuring-point, the heat pump frequency measurement data of the pump discharge pressure measuring point of secondary network water circulating pump, temperature control door are surveyed
Measurement data, the temperature data of user side heat exchange temperature measuring point and the pressure data of pressure-measuring-point of point；As shown in Figure 1.
In addition, the measurement data of each heat exchange station of above-mentioned PLC control device input further include: foundation is mounted on user
The environment temperature of environment temperature measuring point detection outside the regenerator volume of side.
Optionally, in a particular application, above-mentioned PLC control device can also also obtain secondary net side moisturizing in heat exchange station
Each data of case, for example, the data of transmitter, the data of refill flow meter, the data of small pump converter plant, moisturizing adjusting door
Data etc..
If heat exchange station uses the water supply tank of secondary net side, the tune of self-regulating water tank liquid level and small pump may be implemented
Section, realization is increasingly automated, without human intervention.
In addition, in practical applications, each PLC control device may include warning device, in PLC control device in determination
There are when at least one exceeded data in the measurement data of received each measuring point, alarm signal is issued by the warning device
Number；
Alternatively, PLC control device receives heat exchange where the PLC control device that the data intelligence management system determines
When the warning message stood, alarm signal is issued by the warning device.
In the present embodiment, outdoor temperature sensor, user indoor temperature sensor are connected to data collection system, and data are adopted
The signal of collecting system output is connected to data processing system, calculates influence of the outdoor temperature change to heat supply, and pass through data intelligence
Energy management system is predicted and is compensated to primary net and secondary network supply water temperature.
For example, confession of the data collection system for a heat supply network for each PLC control device of real-time reception transmission
Coolant-temperature gage, return water temperature, water supply flow, circling water flow rate, pressure of supply water and pressure of return water, each secondary heat supply network of user side heat exchange station
The real-time thermic load data such as supply water temperature, return water temperature, water supply flow, circling water flow rate, pressure of supply water and pressure of return water.
Data processing system can intend the real-time thermic load data of data collection system input and the weather condition data
Close the prediction thermic load curve for obtaining the heat user；Data intelligence management system is according to the prediction thermic load curve to described
The real-time heating demand of heat supply network carries out intelligent control.It specifically, can be negative according to the predicted real-time heat supply of heating demand curve acquisition
The predicted value of lotus；After the predicted value of the real-time heating demand is compared with currently practical heating demand, automatic tracing and
Adjust the practical heating demand of heat supply network.
In addition, data processing system is also used to predict that heating demand is compared with practical heating demand, according to described
Heat transfer coefficient, water, caliber, pressure of supply water and the temperature computation of the heating network of heat supply network obtain thermal losses (such as pipe network
Dispersed heat), the correction heating demand of heat supply network is obtained after the prediction heating demand is added with a pipe network thermal losses；
It will be appreciated that in the present embodiment, in above-mentioned heat supply network energy management system data intelligence management system can
The water supply flow that a heat supply network is adjusted according to the prediction heating demand perhaps adjusts the return water temperature an of heat supply network or adjusts
Rectification flow and temperature；It calculates and obtains after primary net return water temperature is added up lower than the heating demand of the heat user secondary network of predicted value
The supply water temperature of secondary network optimization, and supply water temperature is optimized according to the secondary network and calculates the flow value adjustment heat supply network obtained
A heat supply network water supply flow or return water temperature.Further, according to the secondary heat supply network supply and return water temperature of the reality and prediction
Secondary heat supply network supply and return water temperature calculation processing second heat network optimization supply and return water temperature, and the temperature adjustment after being optimized according to secondary network
The water supply flow or return water temperature once netted.
In the present embodiment, while guaranteeing heat supply network water, operating condition is optimized and revised, adjusts the return water temperature an of heat supply network
Degree.The advantageous utilization rate for improving exhaust steam residual heat.
Embodiment 2
The present embodiment provides a kind of processing method of 1 heat supply network energy management system based on the above embodiment, method includes
Following steps:
Step S1, data processing system is calculated according to the received all measurement data of data collection system, obtains one
The prediction heating demand curve of prediction the heating demand curve and secondary network of secondary net, and
Step S2, data processing system is according to all measurement data, the facility information once netted and two pre-entered
The facility information of secondary net obtains the thermal loss information of the thermal loss information and secondary network once netted.
For example, the facility information once netted includes: the elevation once netted, buried depth, pipe material, pipeline wall thickness, pipe
Road heat transfer coefficient, heat preservation material, insulation thickness, and/or the coefficient of heat conduction of heat preservation material.
Supply water temperature that step S3, data processing system is once netted according to the prediction heating demand curve acquisition once netted,
Primary net water supply flow, and the supply water temperature of the prediction heating demand curve acquisition secondary network according to secondary network；
Step S4, data intelligence management system is according to the prediction for predicting heating demand curve, secondary network once netted
The real-time heating demand information of heating demand curve and the received Power Plant Side of data collection system is compared, and acquisition is used for
That optimizes and revises the primary net of each heat exchange station and/or the flow of secondary network, water supply and return water temperature optimizes and revises result.
Result is optimized and revised in the present embodiment can include: secondary network supply water temperature adjusted, primary net adjusted
Water supply flow, and/or, primary net return water temperature adjusted.
In the present embodiment, by the temperature, pressure, flow, the circulation that acquire primary net, secondary network, heat exchange station and heat user
The data such as the frequency of water pump are analyzed, comparison is handled, and are classified to a large amount of data, carry out temperature in conjunction with weather condition data
Degree compensation and correction targetedly obtain the thermic load data of heat user, can accurately be fitted the list for obtaining heat user after analysis
Position time heating curve, provides the abnormal alarm of energy consumption, is effectively managed abnormal energy consumption, dispatched according to monitoring center,
A heat supply network flow and return water temperature are adjusted, guarantees thermodynamic equilibrium, hydraulic equilibrium, by the distribution according to need with heat, thus realization pair
The heating demand of heat supply network carries out intelligent control, accomplishes that the energy maximally utilizes, reduces the loss of the energy.It is weary to introduce hot press simultaneously
Vapour waste heat recycles recovery system, improves the energy utilization rate of power plant.
It can also be realized in the present embodiment and heat supply network and heat exchange station, outdoor temperature and room temperature are monitored automatically.
Embodiment 3
As shown in Fig. 2, each measuring point that the PLC control device of the user side heat exchange station 18 of the present embodiment includes includes: ring
Border temperature point 11,12, heat supply network side temperature of heat user temperature point and pressure-measuring-point 13 (temperature that supplies water such as primary net and
The temperature and pressure-measuring-point of pressure-measuring-point, primary net return water), (such as secondary network supplies water for second heat net side temperature and pressure-measuring-point 14
Temperature and pressure-measuring-point, the temperature of secondary network return water and pressure-measuring-point), secondary network water circulating pump 15, user side heat exchanger temperature
Degree and pressure-measuring-point 17.
The measuring point of heating plant side data (i.e. steam power plant's Gateway Station in Heating Network) can include: Power Plant Side temperature and pressure-measuring-point 21 are (such as
Temperature and pressure-measuring-point, the temperature and pressure-measuring-point of return water trunk pipeline of water supply trunk pipeline), the frequency of primary net water circulating pump
Rate measuring point 22, flowmeter 19.
Power Plant Side Gateway Station in Heating Network control room in the present embodiment is provided with data collection system 1, data processing system 2, number
According to intelligent management system 3.
One PLC control device is set in each each secondary heat exchange station control room, which can wired or nothing
Each measuring point where line mode connects it in heat exchange station for receiving the data of each measuring point in affiliated heat exchange station, and will be adopted
The data of collection can be input to wirelessly in data collection system 1.
It illustrates, each heat exchange station controls indoor PLC control device and is also connected with secondary net side circulating pump change
Frequency device, to acquire the frequency values of the circulating pump frequency converter.
Environment temperature measuring point 11 is installed outside user side regenerator volume, and environment temperature measuring point 11 connects PLC control device, ring
The data of border temperature point can be compensated and be corrected to secondary heat supply network supply water temperature in subsequent calculation processing；I.e. at data
The corresponding environment temperature of required thermic load is pre-entered according to environment temperature amendment in the subsequent calculation processing of reason system 2.
In a particular application, the PLC control device of any heat exchange station is also connected with heat exchange station second heat net side water supply tank, example
Such as, water supply tank transmitter, refill flow meter, small pump converter plant, each data that moisturizing adjusts door send PLC control dress
It sets.
Data processing system 2 is fitted according to the data provided with data collection system, calculates prediction heating demand
Curve, the prediction heating demand curve such as once netted, the prediction heating demand curve of secondary network.Above-mentioned fitting, which can illustrate, to be come
It says, such as 5 DEG C of environment temperature, 40W/ ㎡ is met according to local environment design, it is assumed that 200 ㎡ of area of heat-supply service can go out institute with theoretical calculation
Thermic load needed for needing primary net and secondary network.
Data processing system 2 inputs the elevation of once heat supply network, buried depth, and pipe material, pipeline wall thickness and heat transfer coefficient are protected
Warm material, thickness and the coefficient of heat conduction calculate the thermal loss for obtaining pipe network by data processing system；
The real-time heating demand of prediction that data processing system 2 is supplied to data intelligence management system includes secondary heat supply network load
And pipe network thermal loss；
Data processing system 2 calculates the most unfavorable processing condition point in a heat supply network and (such as meets user's distalmost end according to a heat supply network
Thermal load demands), water supply flow and temperature to heat supply network optimize and (can such as reserve surplus capacity, guarantee primary net and two
Secondary net flow, temperature)；That is, being supplied to and being changed by data intelligence management system after being handled by data processing system 2
The information of the PLC control device of heat stations, to increase thermal load demands information.
Data processing system 2 calculates secondary network supply water temperature according to prediction heating demand；
Heat supply of the prediction heating demand curve that data intelligence management system 3 is provided according to data processing system 2 to heat supply network
Load carries out intelligent control, and control signal is connected to each user side heat exchange station PLC control device.Intelligent control at this can illustrate
Illustrate: such as 5 DEG C of environment temperature, 40W/ ㎡ being met according to local environment design, it is assumed that 200 ㎡ of area of heat-supply service can be gone out with theoretical calculation
Thermic load needed for required primary net and secondary network, when heating network operation, (primary net is for water temperature for thermic load offer heat according to expectation
Degree and flow).
Data intelligence management system 3 is used to obtain the prediction heating demand curve that data processing system 2 obtains and current reality
Border heating demand adjusts heating demand after comparing calibration.In the present embodiment, prediction load is the thermic load according to calculating, real
When/practical heating demand is according to heat user room temperature measuring point load adjusted.For example, according to secondary heat supply network supply water temperature
Optimization, adjusts a heat supply network water supply flow and return water temperature, so that a heat supply network return water temperature reaches 40 ± 5 DEG C.
In a particular application, what data intelligence management system 3 obtained, which optimizes and revises result, to be controlled by PLC control device
Temperature control door 16 realizes that the PLC control device in the present embodiment can be connect with a heat supply network side temperature control door.
In Fig. 1, each user side heat exchange station PLC control device can be to environment temperature measuring point, heat user temperature point, primary
Heat supply network side temperature and pressure-measuring-point, second heat net side temperature and pressure-measuring-point, secondary network water circulating pump, the heat exchange of temperature control door user side
Device temperature and pressure-measuring-point data, which are acquired, reaches data acquisition system by modbus communication module and wireless DTU transmission unit
System 1, Power Plant Side heter temperature and pressure-measuring-point, primary net water circulating pump lead to data collection system 1 by hardwire.Or
Measurement data is wirelessly input to data collection system 1. by person, each measuring point of Power Plant Side
1 data connection of data collection system to data processing system 2, data processing system 2 is connected to data intelligence management
System 3, data intelligence management system 3 is by controlling primary net and secondary network system, to realize negative to heat supply network heat supply
The intelligent control of lotus.
In the present embodiment, heat supply network and heat exchange station, outdoor temperature and room temperature are monitored automatically, it is primary by acquiring
The data such as temperature, pressure, the frequency of flow, water circulating pump of net, secondary network, heat exchange station and heat user are analyzed, at comparison
Reason, classifies to a large amount of data, carries out temperature-compensating and correction in conjunction with weather condition data, targetedly takes after analysis
The thermic load data for obtaining heat user can accurately be fitted the unit time heating curve for obtaining heat user, be dispatched according to monitoring center,
It adjusts a heat supply network flow and return water temperature, guarantees thermodynamic equilibrium, hydraulic equilibrium, with the distribution according to need of heat, to realize to heat
The heating demand of net carries out intelligent control, accomplishes that the energy maximally utilizes, reduces the loss of energy source process.Heat is introduced simultaneously
Press exhaust steam residual heat recovery system, improves the energy utilization rate of power plant.
Heat supply network energy management system refers to by heat source, a pipe network, each heat exchange station, secondary pipe network and area under one's jurisdiction terminal heat
The integrated management of the entire heat supply production process of user.Realize from heat source production to heat exchange station, to building, to user terminal heat supply
The target of " adjustable, controllable, measurable, can teletransmission " of amount and the mount of using heat.Dynamic prediction, the heat of heat supply running parameter can be achieved
Scheduling, equilibrium analysis, operation trend analysis and energy consumption analysis etc., while by generating various analytical statements, chart, form heat supply
System energy consumption statistics, quality-monitoring and appraisement system." heat supply " is monitored with " with heat ", analyses heat supply network data scientifically, always
Heat supply rule is tied, traffic control scheme is formulated, reduces energy loss, realizes energy digitlization control.Wisdom heat supply network automation and
Digital solution, heat exchange station standardize unattended automatic control, heating power water conservancy balance, heat exchange station automatic control and heating network monitoring system
System；Unattended automatic control and remote real-time monitoring；Establish heat supply informationization synthesis energy saving management platform；Reduce heating network operation unit
Heat consumption.
Based on the above embodiments 1 to embodiment 3, the heat supply in the present embodiment can partially utilize steam power plant's steam exhaust exhaust system
The waste heat of system recycles, for example, the primary net return water of heat supply network return water trunk pipeline C1 passes through hot press exhaust steam residual heat recovery system
It is heated, and again passes by steam power plant's heating steam bleeding system and heated, obtained primary in heat supply network water supply trunk pipeline C2
Net supplies water, and temperature is 100 DEG C.
The hot press exhaust steam residual heat recovery system D2 of the present embodiment can be recycled more than the steam exhaust of steam power plant's steam exhaust exhauster system D3
Heat, for example, the hot press exhaust steam residual heat recovery system D2 includes: high back pressure gas trap；Use in the high back pressure gas trap
In the steam exhaust that the heat source for heating primary net return water is Steam Turbine in steam power plant's steam exhaust exhauster system D3；Wherein, it is pre- to drop to first
If after temperature primary net return water below passes through high back pressure gas trap, the temperature of the primary net return water rises to the second default temperature
Degree；Second preset temperature is greater than the first preset temperature.
In addition, hot press exhaust steam residual heat recovery system D2 further includes hot press；Hot press utilizes steam turbine in thermal power plant group
Heating steam extraction is as power steam, using the steam exhaust of steam turbine in thermal power plant group as low-temperature heat source, to the primary of the second preset temperature
Net return water is heated, so that primary net return water reaches third preset temperature；The third preset temperature is greater than the second default temperature
Degree.First preset temperature is 40 DEG C, and the second preset temperature is 58 DEG C, and third preset temperature is 85 DEG C.
Primary net return water after cooling passes through Power Plant Side exhaust steam residual heat recovery system D2 by heat supply network return water trunk pipeline C1
Middle high back pressure condenser, the high back pressure condenser heat primary net return water using recycling Steam Turbine exhaust steam residual heat, make
The temperature for obtaining primary net return water is increased to 58 DEG C；
It is increased to 58 DEG C of primary net return water and is then passed through in Power Plant Side exhaust steam residual heat recovery system D2 hot press to above-mentioned
58 DEG C of primary net return water continues to heat, so that primary net return water temperature reaches 85 DEG C；
85 DEG C of primary net return water enters vapor-water heat exchanger in heating steam bleeding system D1 and is heated, so that primary net return water
Temperature reach 100 DEG C, supply water as primary net and exported by heat supply network water supply trunk pipeline C2 to cell heat exchange station.The present embodiment
In steam power plant steam exhaust exhauster system D3 include Steam Turbine (not marked in figure).
Above-mentioned each embodiment can be cross-referenced, and the present embodiment is not defined each embodiment.
Finally, it should be noted that above-described embodiments are merely to illustrate the technical scheme, rather than to it
Limitation；Although the present invention is described in detail referring to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or to part of or all technical features into
Row equivalent replacement；And these modifications or substitutions, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case.
Claims (9)
1. a kind of heat supply network energy management system characterized by comprising
The PLC control device of multiple user side heat exchange stations, Power Plant Side Gateway Station in Heating Network DCS, data collection system, data processing system
With data intelligent management system；
Wherein, each environment temperature measuring point, heat are used in heat exchange station where every PLC control device is separately connected the PLC control device
Family temperature point, a net side temperature and pressure-measuring-point, and/or secondary net side temperature and pressure-measuring-point, every PLC control device
For receiving the measurement data of each measuring point of connection；
The data collection system connects all PLC control device and Power Plant Side Gateway Station in Heating Network DCS, for receiving each
The measurement data of measurement data and Power Plant Side Gateway Station in Heating Network the DCS input for the affiliated heat exchange station that PLC control device obtains；
The data processing system connects the data collection system, and is carried out according to the received all data of data collection system
Processing, obtains processing result；
The data intelligence management system connects the data processing system, and the processing knot according to the data processing system
Fruit obtains for optimizing and revising the primary net of each heat exchange station and/or the flow of secondary network, water supply and/or return water temperature
Optimize and revise result；
The data intelligence management system connects each PLC control device, to PLC control device transmission optimize and revise as a result,
The PLC control device is according to optimizing and revising the flow of primary net and/or secondary network where result adjustment in heat exchange station, supply water
And return water temperature.
2. system according to claim 1, it is characterised in that:
The data collection system is based on modbus+RTU communications protocol with each PLC control device and carries out data transmission；
The data intelligence management system and each PLC control device are based on modbus+RTU communications protocol and carry out data biography
It is defeated；
The PLC control device has DTU transmission unit；
The data intelligence management system has DTU transmission unit.
3. system according to claim 1 or 2, which is characterized in that
The PLC control device is located in heat exchange station control room belonging to the PLC control device；
The data collection system, data processing system and the data intelligence management system are respectively positioned on Power Plant Side Gateway Station in Heating Network control
System is indoor.
4. system according to claim 1, it is characterised in that:
The measurement data of Power Plant Side Gateway Station in Heating Network DCS input includes:
Temperature, the pressure of Power Plant Side heat exchangers for district heating of the heat exchangers for district heating of the temperature point detection of Power Plant Side heat exchangers for district heating are surveyed
The pressure value of the heat exchangers for district heating of point detection, the heat pump measurement frequency of primary net water circulating pump measuring point measurement, heat supply network return water trunk
On pipeline first flowmeter measurement flow, and/or, the real-time heating demand information of Power Plant Side.
5. system according to claim 1, which is characterized in that the affiliated heat exchange station that each PLC control device obtains
Measurement data includes:
The temperature data of the temperature data of the temperature point of heat user, primary net return water temperature measuring point, primary net supply water temperature are surveyed
The temperature data of point, the pressure data of primary net pressure of return water measuring point, primary net pressure of supply water measuring point pressure data, secondary network
The temperature data of return water temperature measuring point, the pressure of the temperature data of secondary network supply water temperature measuring point, secondary network pressure of return water measuring point
Data, the pressure data of secondary network pressure of supply water measuring point, the heat pump frequency measurement data of secondary network water circulating pump, user side heat exchange
The temperature data of device temperature point and the pressure data of pressure-measuring-point；
Environment temperature according to the environment temperature measuring point detection being mounted on outside user side regenerator volume.
6. system according to claim 1, which is characterized in that each PLC control device includes warning device；
The PLC control device, there are when at least one exceeded data, leads in the measurement data for determining received each measuring point
It crosses the warning device and issues alarm signal；
Alternatively, PLC control device receives PLC control device place heat exchange station that the data intelligence management system determines
When warning message, alarm signal is issued by the warning device.
7. a kind of processing method based on any heat supply network energy management system of claim 1 to 6, which is characterized in that packet
It includes:
The data processing system is calculated according to the received all measurement data of data collection system, obtains primary net prediction
The prediction heating demand curve of heating demand curve and secondary network, and
The data processing system is set according to all measurement data, the facility information once netted pre-entered and secondary network
Standby information, obtains the thermal loss information of the thermal loss information and secondary network once netted；
Supply water temperature that the data processing system is once netted according to the prediction heating demand curve acquisition once netted, primary net supply
Water flow, and the supply water temperature of the prediction heating demand curve acquisition secondary network according to secondary network；
The data intelligence management system is according to the prediction heating demand curve once netted, the prediction heating demand of secondary network
The real-time heating demand information of curve and the received Power Plant Side of data collection system is compared, and is obtained for optimizing and revising
The flow of the primary net of each heat exchange station and/or secondary network, water supply and return water temperature optimize and revise result.
8. the method according to the description of claim 7 is characterized in that the result of optimizing and revising includes:
Secondary network supply water temperature adjusted, primary net water supply flow adjusted, and/or, primary net return water temperature adjusted
Degree.
9. the method according to the description of claim 7 is characterized in that the facility information once netted includes:
Elevation, buried depth, pipe material, pipeline wall thickness, the pipe heat-transfer coefficient, heat preservation material, insulation thickness once netted, and/or
Keep the temperature the coefficient of heat conduction of material.
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| CN201811565741.9A CN109373441A (en) | 2018-12-20 | 2018-12-20 | Heat supply network energy management system and its processing method |
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| CN201811565741.9A CN109373441A (en) | 2018-12-20 | 2018-12-20 | Heat supply network energy management system and its processing method |
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| CN110056941A (en) * | 2019-04-18 | 2019-07-26 | 天津海天方圆节能技术有限公司 | A kind of gas furnace heating project intelligent management control method |
| CN110220234A (en) * | 2019-03-11 | 2019-09-10 | 华电电力科学研究院有限公司 | A kind of heating system and its working method optimized based on heat supply network circulating water flow and the temperature difference |
| CN110953648A (en) * | 2019-12-16 | 2020-04-03 | 北京华通兴远供热节能技术有限公司 | Heat supply balance system and heat supply method |
| CN111787123A (en) * | 2020-07-27 | 2020-10-16 | 四川神琥科技有限公司 | Intelligent heat supply network operation and maintenance management system |
| CN113218109A (en) * | 2021-04-15 | 2021-08-06 | 北京华远意通热力科技股份有限公司 | Intelligent regulation and control device and method for deep waste heat recovery |
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| WO2022233101A1 (en) * | 2021-05-06 | 2022-11-10 | 上海优华系统集成技术股份有限公司 | Intelligent optimization control device for low-temperature thermal system |
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