Information and measuring system for monitoring of energy saving at production of thermal energy

FIELD: heating.

SUBSTANCE: information and measuring system for monitoring of energy saving at production of thermal energy includes the first circuit with a heat source (a gas boiler), a heat exchanger, the second circuit of a heat network, a temperature sensor in a direct pipeline of the first circuit, a temperature sensor in a return pipeline of the second circuit, a pressure sensor in the direct pipeline of the second circuit, a gas supply control, a gas flow sensor, a fan, an air temperature sensor, an air flow sensor, a waste gas temperature sensor, a produced thermal energy metre, a multi-channel microprocessor energy saving monitoring unit at production of thermal energy, a memory unit, a dispatch information receiving centre; besides, the first circuit with the heat source (gas boiler), the first outlet of which is connected to the inlet of the waste gas temperature sensor and through the heat exchanger is connected to the second circuit of the heat network, is connected to the inlet of the temperature sensor in the direct pipeline of the first circuit; three outlets of the second circuits are connected to inlets of the temperature sensor in the return pipeline, a pressure sensor in the direct pipeline, a produced thermal energy metre, the outlets of which are connected to inlets of the multi-channel microprocessor unit for monitoring of energy saving at production of thermal energy; the outlet of the gas supply control is connected by means of the gas flow rate to the first boiler inlet; the fan outlet is connected by means of the air temperature sensor, the air flow sensor to the second boiler inlet; outlets of the gas flow sensor, the air flow sensor, the air temperature sensor, the waste gas temperature sensor are connected to inlets of the multi-channel microprocessor unit for monitoring of energy saving at production of thermal energy, the first outlet of which is connected to the inlet of the memory unit, and the other outlet is connected to the inlet of the dispatch information receiving centre.

EFFECT: invention allows optimising a thermal energy production process at distributed heat supply facilities and improving energy efficiency of operation of the presented items.

1 dwg

 

The invention relates to heating systems in towns and other settlements and can be used for automatic metering of heat in heat supply systems.

Known automated system for measuring and recording flow, and heat in heat supply systems (RF patent No. 2144162, IPC7F24D 19/10. Automated system for measuring and recording flow, and heat in heat supply systems, Appl. 16.07.96; publ. 10.01.2000. Bulletin no.1).

Automated system for measuring and recording flow, and heat in the heating system contains one heat source, the heat pipes network with temperature sensors, pressure sensors, static converters in power or current sensors and voltage, equipped with a system of data transmission in the information center.

The disadvantage of this system is that not considered two-circuit heating systems using frequency converters for simultaneous regulation of the coolant supply to the circuits of the heating system.

Closest to the invention is an adaptive control system actuators supply unit housing (patent RF №2425292, IPC8F24D 19/10. Adaptive control system actuators and supply unit housing, Appl. 26.01.2010; publ. 27.07.2011).

In the adaptive control system actuators supply unit housing containing the first circuit with the heat source and the control unit, the network pump outlet to the heat exchanger, the second circuit a heating system with a circulating pump and a motor controlled by a frequency Converter, pumps and motors controlled by frequency converters in each of the N consumers of thermal energy, temperature sensors and pressure supply and return pipelines of the first and second circuits of the heat network and each of the N consumers of thermal energy added to each of the N geographically dispersed consumers of thermal energy of the first and second blocks compare differences pressure unit allowable pressure drop, the block comparison of the temperature changes, the unit allowable temperature, the setpoint temperature in the return pipeline, a unit for comparing the temperature in the return pipeline, unit allowable pressure in the feed line, the block comparison permissible pressure limiter pressure, the first, second and third scaling amplifiers consumers of thermal energy, the adder-corrector control signals, the unit of consumed heat energy, inverter, priemere attic consumer of thermal energy, in the control source of thermal energy added N-channel transceiver, where N is the number of geographically distributed consumers of thermal energy, N adjustment knobs consumers of thermal energy, N detectors exceeding the allowable pressure drop in each of the N consumers of thermal energy, the adder of the flow of heat energy consumers, unit of flow of the heat consumer unit comparing the flow of heat energy consumers, the adder temperatures in the supply and return pipelines of the heat consumer, first, second and third divisors of N, the block comparison of temperatures in the supply and return pipelines, block comparison permissible temperature in the reverse pipeline unit allowable temperature in the return pipe, the accumulator pressure in the supply piping of the heat consumer unit comparing the pressure in the supply piping, the unit pressure drop of the second circuit block comparison of the pressure of the second circuit, the first setpoint temperature of the supply network, the second temperature setter in a feed line of the first circuit, the first and second blocks comparing the temperature in the feed line of the first circuit, the first, second itrate scaling amplifiers of the second circuit, the adder control signals of the second circuit block comparison of the frequency Converter of the second circuit unit of the frequency Converter of the second path.

The disadvantage of the prototype is the lack of monitoring of the technological process of production of thermal energy.

Object of the invention is to expand the technological capabilities of the device by monitoring a set of distributed objects heat (10-20 boiler) with the aim of increasing their effectiveness in accordance with the concept of "best available technologies".

This object is achieved in that in the proposed device containing the first circuit with a source of heat (gas boiler), a heat exchanger, the second circuit a heating system, a temperature sensor in direct pipeline for the first circuit, the temperature sensor in return pipe of the second circuit, the pressure sensor in the direct pipeline of the second circuit entered regulator gas flow sensor, a gas flow rate, fan, temperature sensor, air flow sensor, air temperature sensor of waste gases, the counter of the produced thermal energy, multi-channel microprocessor-based control unit for energy saving in the production of thermal energy, a memory unit, the dispatch center receiving information, and the first circuit with a source of heat (ha the new boiler), the first output of which is connected with the sensor input of the temperature of the waste gases through a heat exchanger associated with the second thermal circuit network, the first circuit with a heat source connected to the input of the temperature sensor in the direct primary circuit piping, three outputs of the second circuit are connected to the inputs of the temperature sensor in return pipe, the pressure sensor in the direct pipeline, meter heat energy, the outputs of which are connected with the inputs of the multi-channel microprocessor-based control unit for energy saving in the production of thermal energy, the controller output gas flow through the flow sensor gas is connected to the first input of the boiler, the output of the fan through an air temperature sensor, flow sensor air associated with the second input of the boiler, the outputs of the sensor, gas flow sensor, air flow, air temperature sensor, temperature sensor waste gases are connected to the inputs of multi-channel microprocessor-based control unit for energy saving in the production of thermal energy, the first output of which is connected to the input of the memory block, a second output connected to the input of the control center receiving information.

Information and measuring system for monitoring energy efficiency in the production of thermal energy includes a first circuit with a source of heat (gas boiler) 1, the first is yhod which is associated with the sensor input of the temperature of waste gases 2 and through the heat exchanger 3 is connected with the second circuit of the heating network the first circuit with the heat source 1 is connected to the input of the temperature sensor 4 in the direct primary circuit piping, three outputs of the second circuit are connected to the inputs of the temperature sensor in return pipe 5, the pressure sensor in the direct pipeline 6, the count of thermal energy 7, the outputs of which are connected with the inputs of the multi-channel microprocessor-based control unit for energy saving in the production of thermal energy 8, the output of regulator gas supply 9 via the gas flow 10 is connected to the first input of the boiler 1, the output of the fan 11 through an air temperature sensor 12, sensor air flow 13 is connected with the second input of the boiler 1, the outputs of the flow sensor gas 4, the flow sensor air 13, the air temperature sensor 12, a temperature sensor of waste gases 2 are connected with the inputs of the multi-channel microprocessor-based control unit for energy saving in the production of thermal energy 8, the first output of which is connected to the input of the memory block 14, and a second output connected to the input of the control center receiving information 15.

This solution extends the functionality of the device by transmitting information on the technological parameters of production of thermal energy on distributed supply unit using a cellular connection.

1 shows a diagram of information-measuring is istemi monitoring energy efficiency in the production of thermal energy.

Information-measuring system for the production of thermal energy works in the following way. The heat source (gas boiler) 1 produces heat energy, which through heat exchanger 3 is passed to the second circuit of a heating system and then passed into the heating system.

The first circuit with a source of heat (gas boiler) is connected to the temperature sensor in the direct primary circuit piping 4.

A second thermal circuit network connected to the temperature sensor on the return line of the secondary circuit 5, a pressure sensor in direct pipeline of the second circuit 6, the counter of the produced thermal energy 7.

Natural gas fed into the gas supply regulator 9 and then flows into the heat source gas boiler 1 through the flow sensor strip 10. Also in the gas boiler 1 discharge air from the fan 11, which passes through an air temperature sensor 12 and the sensor air flow 13.

On each distribution object heat set the multi-channel microprocessor-based control unit for energy saving in the production of thermal energy 8 includes built-in coupling with the object, the microprocessor of the data processing and GSM module for data transfer via GSM communication. Multi-channel microprocessor unit includes a battery for providing besparen Inoi work in the event of loss of mains voltage. The proposed multi-channel microprocessor unit 8 produces individual measurement of technological parameters of each object heat from some accepted the proposed system, by removing them from the temperature sensor of waste gases 2, a temperature sensor in direct pipeline of the first circuit 4, a temperature sensor on the return line of the secondary circuit 5, the pressure sensor in the direct pipeline of the second circuit 6, the counter of the produced thermal energy 7, the flow sensor strip 10, the air temperature sensor 12, sensor air flow 13 through separate channels in real time and transmits the collected data to the control station receiving data from 15 GSM to handle.

Processing is as follows. From the data obtained form the generalized integral indicator for the detection of low efficiency of the process of production of thermal energy (bottlenecks). This indicator shows the effectiveness of the equipment that produces heat, boilers, boiler, etc. Generalized integral indicator of efficiency compared with the technological costs envisaged by the concept of "best available technology" thermal energy production (based on best available technology in the ogy-technology, based on the latest achievements of science and technology, which is aimed at reducing the negative impact on nature).

When working in standard mode information from multi-channel microprocessor-based control unit saving 8 daily pass to the control center receiving information 15. In addition, we offer multi-channel microprocessor control unit of energy has provided the opportunity to log taken from the corresponding flow data in the memory unit 14 and reproduce them on a personal computer for maintaining databases and a more comprehensive assessment of resource and energy consumption.

During emergency situations to produce the audio signal and information centrally supplied to the control station receiving information 15 for operational decision-making on the elimination of this situation.

As a result of this regulation is monitoring a number of distributed objects heat (10-20 boiler), i.e. automated remote monitoring of technological parameters of production of thermal energy, which allows to optimize the process of production of thermal energy on distributed objects and heat to increase the energy efficiency of the presented objects.

Information m the I monitoring system for energy saving in the production of thermal energy, containing the first circuit with a source of heat (gas boiler), a heat exchanger, the second circuit a heating system, a temperature sensor in direct pipeline for the first circuit, the temperature sensor in return pipe of the second circuit, the pressure sensor in the direct pipeline to the second path, characterized in that it additionally introduced supply regulator gas sensor, a gas flow rate, fan, temperature sensor, air flow sensor, air temperature sensor of waste gases, the counter of the produced thermal energy, multi-channel microprocessor-based control unit for energy saving in the production of thermal energy, a memory unit, the dispatch center receives information, and the first circuit heat source (gas boiler), the first output of which is connected with the sensor input of the temperature of the waste gases through a heat exchanger associated with the second thermal circuit network, the first circuit with a heat source connected to the input of the temperature sensor in the direct primary circuit piping, three outputs of the second circuit are connected to the inputs of the temperature sensor in return pipe, a pressure sensor in direct pipeline, meter heat energy, the outputs of which are connected with the inputs of the multi-channel microprocessor-based control unit for energy saving in the production of thermal energy, the output of the controller hearth and gas via the gas flow is connected to the first input of the boiler, the output of the fan through an air temperature sensor, flow sensor air associated with the second input of the boiler, the outputs of the sensor, gas flow sensor, air flow, air temperature sensor, temperature sensor waste gases are connected to the inputs of multi-channel microprocessor-based control unit for energy saving in the production of thermal energy, the first output of which is connected to the input of the memory block, a second output connected to the input of the control center receiving information.



 

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Heating arrangement // 2293922

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