CN103149043A - Real-time monitoring system and monitoring method of heat efficiency of condensing gas boiler - Google Patents

Real-time monitoring system and monitoring method of heat efficiency of condensing gas boiler Download PDF

Info

Publication number
CN103149043A
CN103149043A CN2013100422808A CN201310042280A CN103149043A CN 103149043 A CN103149043 A CN 103149043A CN 2013100422808 A CN2013100422808 A CN 2013100422808A CN 201310042280 A CN201310042280 A CN 201310042280A CN 103149043 A CN103149043 A CN 103149043A
Authority
CN
China
Prior art keywords
boiler
gas boiler
gas
condensation
real
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2013100422808A
Other languages
Chinese (zh)
Inventor
张拥军
章伟良
邵长岭
袁根洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Tobacco Zhejiang Industrial Co Ltd
Original Assignee
China Tobacco Zhejiang Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Tobacco Zhejiang Industrial Co Ltd filed Critical China Tobacco Zhejiang Industrial Co Ltd
Priority to CN2013100422808A priority Critical patent/CN103149043A/en
Publication of CN103149043A publication Critical patent/CN103149043A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Regulation And Control Of Combustion (AREA)

Abstract

The invention discloses a real-time monitoring system of heat efficiency of a condensing gas boiler. The condensing gas boiler is provided with a condensing energy saver, and the real-time monitoring system of the heat efficiency comprises a signal collecting system and a programmable logic controller (PLC) control cabinet which is used for receiving signals from the signal collecting system and carrying out calculation and display of the heat efficiency. The invention further discloses a monitoring method of the heat efficiency of the condensing gas boiler with the real-time monitoring system, the signal collecting system collects signals of all monitoring positions of the condensing gas boiler, the PLC control cabinet receives the signals from the signal collecting system, by data processing and calculation, real-time running data of various parameters and the heat efficiency of the condensing gas boiler is visually displayed in a displayer of the PLC control cabinet, abnormal conditions can be adjusted in time, and efficient running of the condensing gas boiler is ensured.

Description

A kind of thermal efficiency real-time monitoring system and monitoring method of condensation gas boiler
Technical field
The present invention relates to the boiler thermal output thermal testing, relate in particular to the Real-Time Monitoring of the condensation gas boiler thermal efficiency, it belongs to the boiler technology field.
Background technology
The thermal efficiency of boiler refers to the shared percentage of net heat in heat that fuel sends into.It is the important technology economic target of boiler, and the height of boiler thermal output will directly affect the operating cost of boiler, has also reflected the energy resource consumption level of enterprise's thermal powerplant.
The American-European countries's application of condensing energy-saving device technology on boiler that begin one's study eighties in last century, the domestic application that also just just begins one's study in recent years.The thermal efficiency of boiler can directly be tested, calculate to general conventional boiler by positive balance method and counter balancing method.And condenser boiler is to have installed a condensing energy-saving device on the conventional boiler back-end ductwork additional, the contained latent heat of vaporization (general conventional energy-saving appliance only utilizes the waste heat of flue gas) of water vapour in the flue gas of absorption boiler discharging, especially the content for water vapour in the gas fired-boiler flue gas is very high, and absorbing the raising of boiler thermal output of its latent heat of vaporization is very obvious.Normally adopt water at low temperature to absorb this latent heat of vaporization, absorb laggard oxygen-eliminating device.Therefore, should add the latent heat of vaporization that this part absorbs in the net heat when calculating the condenser boiler thermal efficiency.Calculate by net calorific value, the condensation gas boiler thermal efficiency can meet or exceed more than 100% (can reach 110%) in theory.
Under the national policy of current energy-saving and emission-reduction, actively promote condensation gas boiler, improve boiler thermal output, and keep the high efficiency boiler operation, reduce energy cost, reduce pollutant emission, realize that the Real-Time Monitoring of condensation gas boiler is particularly important.By Real-Time Monitoring, in time understand the thermal efficiency of boiler operatiopn, in time the adjust operation operating mode, guarantee the operation of high efficiency boiler rate.
at present, the boiler thermal output Real-Time Monitoring is mostly for traditional coal-burning boiler design, monitoring to conventional fuel oil (gas) boiler is also arranged, and test for the condenser boiler thermal efficiency, only having application number is that 200410026206.8 patent of invention discloses fuel oil condensing boiler reverse-balancing heat efficient measuring method, this invention has been to provide a kind of measuring method of fuel oil condensing boiler reverse-balancing heat efficient, this measuring method is based on the high-order calorific capacity of fuel, set up the anti-EQUILIBRIUM CALCULATION FOR PROCESS measuring method of the fuel oil condenser boiler thermal efficiency from the angle of quality and energy conservation.This invention is a kind of computation and measurement method, neither for the combustion gas condenser boiler, also do not realize Real-Time Monitoring.
Summary of the invention
Condensation gas boiler thermal efficiency Real-Time Monitoring of the present invention, can realize in time understanding boiler operatiopn Dynamic Thermal efficient at the Real-Time Monitoring with the condensation gas boiler thermal efficiency, in time adjust the boiler operatiopn operating mode, guarantee high efficiency boiler stable operation, reduce energy dissipation.
A kind of thermal efficiency real-time monitoring system of condensation gas boiler, described condensation gas boiler is with the condensing energy-saving device, it is characterized in that, described thermal efficiency real-time monitoring system comprises signal acquiring system, and be used for reception from the signal of described signal acquiring system, and the PLC switch board that carries out Efficiency Calculation and demonstration;
Described signal acquiring system comprises:
Be arranged on the Boiler Steam flowmeter on the main steam line of condensation gas boiler;
Be arranged on the natural gas flowmeter on natural-gas transfer pipeline;
Be arranged on flow of inlet water meter and inflow temperature sensor on the inlet channel of condensing energy-saving device;
Be arranged on the leaving water temperature sensor on the outlet conduit of condensing energy-saving device.
In this monitoring system, the Boiler Steam flowmeter is used for gathering the evaporation capacity of condensation gas boiler, the natural gas flowmeter collection enters the gas quantity of condensation gas boiler, inflow temperature sensor and leaving water temperature sensor are used for gathering water inlet or the leaving water temperature of condensing energy-saving device, the flow of inlet water meter is used for gathering the inflow of condensing energy-saving device, described PLC switch board receives the information of above-mentioned each flowmeter or sensor, and carry out data and process and calculate, and show all kinds of parameters of condensation gas boiler real time execution and the thermal efficiency data that calculate.
Enter the water yield and the water temperature of condensation gas boiler for Real-Time Monitoring, as preferably, described signal acquiring system also comprises: be arranged on feed meter and temperature sensor on the feedwater piping of described condensation gas boiler.
It is the shared percentage of net heat in the heat sent into of fuel that the positive balance of the condensation gas boiler thermal efficiency is calculated, anti-EQUILIBRIUM CALCULATION FOR PROCESS is the various heat losses that gross energy deducts boiler, and the calculating of these thermal loss need to be according to the situation at condensation gas boiler scene, also relevant with the one-tenth grading factors of the flue-gas temperature of boiler emission, flue gas.
Therefore, as preferably, described signal acquiring system also comprises the scene temperature sensor that is arranged under described condensation gas boiler environment of living in, gathers the environment temperature at scene, boiler room.
Described signal acquiring system also comprises the flue-gas temperature sensor on the flue that is arranged on described condensing energy-saving device back, is used for gathering the flue-gas temperature of discharging.
Described signal acquiring system also comprises the flue gas on-line analysis instrument, and the probe of described flue gas on-line analysis instrument is on described connection flue.Be used for accurately gathering the composition of discharging flue gas, as O 2, CO, RO 2Deng, and the content of each composition of Accurate Analysis, can calculate heat loss due to exhaust gas by gas quantity, smoke components content, exhaust gas temperature and environment temperature etc.
Above signal acquiring system is with each operational factor of the condensation gas boiler that collects, be transported to the PLC switch board, as preferably, described PLC switch board is provided with display device, be used for showing the signal from described signal acquiring system, and be used for showing the thermal efficiency.Process and calculate by above-mentioned signals collecting, data, just can show intuitively all kinds of parameters and the thermal efficiency data of condensation gas boiler real time execution on display, abnormal conditions are in time adjusted, guarantee the condensation gas boiler high-efficiency operation.
The present invention also provides the method for utilizing above-mentioned real-time monitoring system to detect the condensation gas boiler thermal efficiency, comprises the steps:
(1) described PLC switch board receives the signal from signal acquiring system;
(2) the PLC switch board carries out Efficiency Calculation and demonstration according to the signal that receives;
The formula that is calculated as follows of the positive balance thermal efficiency N1 of condensation gas boiler:
N 1=(Q 1+Q 0)/Q r
Wherein, Q 1=boiler capacity * (the saturated vapour enthalpy under the setting working pressure-feedwater enthalpy)
Q 0The latent heat of vaporization that discharges after water vapor condensation in the flue gas that reclaims for the condensing energy-saving device is by Inlet and outlet water temperature and the flow rate calculation of condensing energy-saving device: Q 0=flow of inlet water * Inlet and outlet water temperature difference;
Q rBe the heat that fuel is sent into, Q r=the rock gas net calorific value of the gas quantity of condensation gas boiler * provide according to local municipal administration is provided.
The present invention also provides condensation gas boiler thermal efficiency counter-balance thermal efficiency to calculate, and comprises the steps:
(1) described PLC switch board receives the signal from signal acquiring system;
(2) carry out Efficiency Calculation and demonstration according to the signal that collects;
The counter-balance thermal efficiency N of condensation gas boiler 2The formula that is calculated as follows:
N 2=100%-q 2-q 3-q 4-q 5-q 6+q 0
Wherein, q 2Be heat loss due to exhaust gas;
q 3For gas is not completed combustion heat loss;
q 4Be the incomplete thermal loss of machinery;
q 5Be radiation loss;
q 6Be the heat loss due to sensible heat in slag;
q 0Be the calorific value that the condensing energy-saving device reclaims, the latent heat of vaporization that namely discharges after water vapor condensation in flue gas.
Wherein, q 2Can calculate by gas quantity, smoke components content, exhaust gas temperature and environment temperature etc.;
q 3To obtain according to CO cubage in smoke components;
q 4For the incomplete thermal loss of machinery, be almost 0 for gas fired-boiler;
q 5For the good boiler of furnace insulation, this can be constant basically, by calculating the body of heater area, according to furnace body temperature and environment temperature, calculates fixing q 5
q 6Be almost 0 for gas fired-boiler;
q 0Calculate q according to positive balance 0=100% * Q 0/ Q r
the present invention arranges the Boiler Steam flowmeter by the relevant position at condensation gas boiler, natural gas flowmeter, the flow of inlet water meter of condensing energy-saving device, inflow temperature sensor and leaving water temperature sensor, and the feed meter of condensation gas boiler and temperature sensor collection condensation gas boiler real time execution parameter, the situation that flue gas on-line analysis instrument and flue-gas temperature sensor gather flue gas that condensation gas boiler discharges is set on flue, by above-mentioned signals collecting, data are processed and are calculated, just can be intuitively show all kinds of parameters of condensation gas boiler real time execution and just on the display of PLC switch board, the counter-balance thermal efficiency data, abnormal conditions are in time adjusted the boiler operatiopn operating mode, guarantee the condensation gas boiler high-efficiency operation.
Description of drawings
Fig. 1 is the structural representation of the thermal efficiency real-time monitoring system of condensation gas boiler of the present invention.
Embodiment
Fig. 1 shows the structural drawing of the thermal efficiency real-time monitoring system of condensation gas boiler of the present invention, as can be seen from Figure, condensation gas boiler 19 is with condensing energy-saving device 14, this thermal efficiency real-time monitoring system comprises signal acquiring system, and be used for reception from the signal of signal acquiring system, and the PLC switch board 18 that carries out Efficiency Calculation and demonstration;
Signal acquiring system comprises following part:
Be arranged on the Boiler Steam flowmeter 5 on the main steam line 4 of condensation gas boiler 19;
Be arranged on the natural gas flowmeter 2 on natural-gas transfer pipeline 1;
Be arranged on flow of inlet water meter 16 and inflow temperature sensor 17 on the inlet channel 15 of condensing energy-saving device 14;
Be arranged on the leaving water temperature sensor 9 on the outlet conduit 10 of condensing energy-saving device 14;
PLC switch board 18 is provided with display device, is used for showing the signal from described signal acquiring system, and is used for showing the thermal efficiency.
As can be seen from Figure, feed meter 7 and temperature sensor 8 also are installed on the feedwater piping 6 of condensation gas boiler 19.
Boiler Steam flow 5 in this thermal efficiency real-time monitoring system is used for gathering the evaporation capacity of condensation gas boiler, gas discharge 2 gathers the gas quantity that enters condensation gas boiler, inflow temperature sensor 17 and leaving water temperature sensor 9 are used for gathering water inlet or the leaving water temperature of condensing energy-saving device 14, and flow of inlet water meter 16 is used for gathering the inflow of condensing energy-saving device 14.
Carry out anti-EQUILIBRIUM CALCULATION FOR PROCESS for ease of the thermal efficiency to condensation gas boiler, this signal acquiring system also comprises the scene temperature sensor 3 that is arranged under condensation gas boiler 19 environment of living in; Be arranged on the flue-gas temperature sensor 13 on the flue of condensing energy-saving device 14 back.
This signal acquiring system also comprises flue gas on-line analysis instrument 12, and the probe of this flue gas on-line analysis instrument 12 is on connection flue 11 between condensation gas boiler 19 and condensing energy-saving device 14.
In said apparatus, signal acquiring system gathers the signal that condensation gas boiler is respectively monitored the position, the PLC switch board receives the signal from signal acquiring system, and process and calculate through data, just can show intuitively all kinds of parameters and the thermal efficiency data of condensation gas boiler real time execution on the display of PLC switch board, abnormal conditions are in time adjusted, guaranteed the condensation gas boiler high-efficiency operation.
It is exactly the shared percentage of net heat in the heat sent into of fuel that the positive balance of the condensation gas boiler thermal efficiency is calculated:
N 1=(Q 1+Q 0)/Qr
Net heat for condensation gas boiler divides two parts, a part of net heat Q 1Boiler capacity * (the saturated vapour enthalpy under the setting working pressure-feedwater enthalpy), another part net heat Q 0Be the latent heat of vaporization that discharges after water vapor condensation in the flue gas that reclaims of condensing energy-saving device, it can be by Inlet and outlet water temperature and the flow rate calculation of condensing energy-saving device, Q 0=flow of inlet water * Inlet and outlet water temperature difference.
The heat Q that fuel is sent into rThe rock gas net calorific value of=gas quantity * provide according to local municipal administration that gathers.
The anti-balance of the condensation gas boiler thermal efficiency is the various heat losses according to boiler, calculates by following formula:
N 2=100%-q 2-q 3-q 4-q 5-q 6+q 0
Wherein, q 2Be heat loss due to exhaust gas, calculate by gas quantity, smoke components content, exhaust gas temperature and environment temperature etc.;
q 3Not completing combustion heat loss for gas, is to obtain according to CO cubage in smoke components;
q 4For the incomplete thermal loss of machinery, for gas fired-boiler, this loss is almost 0;
q 5Be radiation loss, for the good boiler of furnace insulation, this can be constant basically, by calculating the body of heater area, according to furnace body temperature and environment temperature, calculates fixing q 5
q 6Be the heat loss due to sensible heat in slag, for gas fired-boiler, this loss is almost 0;
q 0Calculate q according to positive balance 0=100% * Q 0/ Q r
As certain 20t/h of enterprise condensation gas boiler:
The rock gas net calorific value Q that local municipal administration provides netBe 37228kJ/m 3,
The boiler amount of natural gas records 1175m 3/ h,
Condensing energy-saving device inflow temperature records 22 ℃,
Condensing energy-saving device leaving water temperature records 59 ℃,
Condensing energy-saving device flow of inlet water records 10000kg/h,
Boiler feed temperature records 102 ℃,
Boiler feedwater flow records 18800kg/h,
Boiler capacity records 18300kg/h,
It is 1.2MPa that boiler is set working pressure,
Environment temperature records 27 ℃,
RO in flue gas 2Content records 10.94%,
O in flue gas 2Content records 1.74%,
CO content in smoke records 0.0011%,
Exhaust gas temperature records 90 ℃,
Heat loss due to exhaust gas calculates 1.4%,
The imperfect combustion heat waste of gas calculates 0%,
Radiation loss is calculated and tabled look-up is 0.3%,
Positive balance efficiency N 1Calculate 103%,
Anti-balance efficiency N 2Calculate 101.1%.

Claims (8)

1. the thermal efficiency real-time monitoring system of a condensation gas boiler, described condensation gas boiler (19) is with condensing energy-saving device (14), it is characterized in that, described thermal efficiency real-time monitoring system comprises signal acquiring system, and be used for reception from the signal of described signal acquiring system, and the PLC switch board (18) that carries out Efficiency Calculation and demonstration;
Described signal acquiring system comprises:
Be arranged on the Boiler Steam flowmeter (5) on the main steam line (4) of condensation gas boiler (19);
Be arranged on the natural gas flowmeter (2) on natural-gas transfer pipeline (1);
Be arranged on flow of inlet water meter (16) and inflow temperature sensor (17) on the inlet channel (15) of condensing energy-saving device (14);
Be arranged on the leaving water temperature sensor (9) on the outlet conduit (10) of condensing energy-saving device (14).
2. the thermal efficiency real-time monitoring system of condensation gas boiler according to claim 1, is characterized in that, described signal acquiring system also comprises:
Be arranged on feed meter (7) and temperature sensor (8) on the feedwater piping (6) of described condensation gas boiler (19).
3. the thermal efficiency real-time monitoring system of condensation gas boiler according to claim 1, is characterized in that, described signal acquiring system also comprises the scene temperature sensor (3) that is arranged under described condensation gas boiler (19) environment of living in.
4. the thermal efficiency real-time monitoring system of condensation gas boiler according to claim 3, is characterized in that, described signal acquiring system also comprises the flue-gas temperature sensor (13) that is arranged on the flue of described condensing energy-saving device (14) back.
5. the thermal efficiency real-time monitoring system of condensation gas boiler according to claim 4, it is characterized in that, described signal acquiring system also comprises flue gas on-line analysis instrument (12), and the probe of described flue gas on-line analysis instrument (12) is on described connection flue (11).
6. the thermal efficiency real-time monitoring system of according to claim 1~5 described condensation gas boilers of any one, it is characterized in that, described PLC switch board (18) is provided with display device, is used for showing the signal from described signal acquiring system, and is used for showing the thermal efficiency.
7. utilize the method for the described real-time monitoring system monitoring of the claim 1 or 2 condensation gas boiler thermal efficiency, it is characterized in that, comprise the steps:
(1) described PLC switch board (18) receives the signal from signal acquiring system;
(2) carry out Efficiency Calculation and demonstration according to the signal that collects;
The positive balance thermal efficiency N of condensation gas boiler 1The formula that is calculated as follows:
N 1=(Q 1+Q 0)/Q r
Wherein, Q 1=boiler capacity * (the saturated vapour enthalpy under the setting working pressure-feedwater enthalpy)
Q 0The latent heat of vaporization that discharges after water vapor condensation in the flue gas that reclaims for the condensing energy-saving device is by Inlet and outlet water temperature and the flow rate calculation of condensing energy-saving device: Q 0=flow of inlet water * Inlet and outlet water temperature difference;
Q rBe the heat that fuel is sent into, Q r=the rock gas net calorific value of the gas quantity of condensation gas boiler * provide according to local municipal administration is provided.
8. the method for the real-time monitoring system monitoring condensation gas boiler thermal efficiency according to claim 5, is characterized in that, comprises the steps:
(1) described PLC switch board (18) receives the signal from signal acquiring system;
(2) PLC switch board (18) carries out Efficiency Calculation and demonstration according to the signal that receives;
The formula that is calculated as follows of the counter-balance thermal efficiency N2 of condensation gas boiler:
N 2=100%-q 2-q 3-q 4-q 5-q 6+q 0
Wherein, q 2Be heat loss due to exhaust gas;
q 3For gas is not completed combustion heat loss;
q 4Be the incomplete thermal loss of machinery;
q 5Be radiation loss;
q 6Be the heat loss due to sensible heat in slag;
q 0Be the calorific value that the condensing energy-saving device reclaims, the latent heat of vaporization that namely discharges after water vapor condensation in flue gas.
CN2013100422808A 2013-01-30 2013-01-30 Real-time monitoring system and monitoring method of heat efficiency of condensing gas boiler Pending CN103149043A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013100422808A CN103149043A (en) 2013-01-30 2013-01-30 Real-time monitoring system and monitoring method of heat efficiency of condensing gas boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013100422808A CN103149043A (en) 2013-01-30 2013-01-30 Real-time monitoring system and monitoring method of heat efficiency of condensing gas boiler

Publications (1)

Publication Number Publication Date
CN103149043A true CN103149043A (en) 2013-06-12

Family

ID=48547248

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013100422808A Pending CN103149043A (en) 2013-01-30 2013-01-30 Real-time monitoring system and monitoring method of heat efficiency of condensing gas boiler

Country Status (1)

Country Link
CN (1) CN103149043A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104809318A (en) * 2015-05-22 2015-07-29 中船第九设计研究院工程有限公司 Algorithm for mass and gravity center of material for ship cabin interior decoration engineering
CN106525469A (en) * 2016-09-27 2017-03-22 广东省特种设备检测研究院顺德检测院 Movable fuel oil organic heat carrier boiler efficiency detection platform and detection method
CN106524219A (en) * 2016-12-19 2017-03-22 大连圣鼎工业装备有限公司 Environment-friendly automatic control low-index emission gas boiler unit
CN106525470A (en) * 2016-09-27 2017-03-22 广东省特种设备检测研究院顺德检测院 Novel mobile hot water boiler efficiency detection platform and method
CN106644538A (en) * 2016-09-27 2017-05-10 广东省特种设备检测研究院顺德检测院 Industrial fuel oil steam boiler efficiency testing device and method based on positive balance
CN108318268A (en) * 2018-02-05 2018-07-24 上海焱晶燃烧设备检测有限公司 Integrated combustor performance and boiler energy efficiency testing device and test method
CN108426727A (en) * 2018-02-06 2018-08-21 广东省中山市质量计量监督检测所 A kind of gas cooker thermal efficiency measurement experimental rig
CN110455856A (en) * 2019-07-30 2019-11-15 中国特种设备检测研究院 A kind of supersaturation flue gas condenser thermal property measuring system and its measurement method
CN111721665A (en) * 2020-06-19 2020-09-29 陕西省特种设备检验检测研究院 Method and device for detecting content of condensed water in boiler tail flue gas
CN112163318A (en) * 2020-09-02 2021-01-01 项家从 Virtual detection method for thermal efficiency of boiler and heat exchanger
CN112182479A (en) * 2020-09-26 2021-01-05 新奥数能科技有限公司 Boiler thermal efficiency online calculation method and device, readable medium and electronic equipment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2516820Y (en) * 2001-11-16 2002-10-16 宫卓立 Device for monitoring heat efficiency of boiler
CN1584572A (en) * 2004-06-03 2005-02-23 西安交通大学 Fuel oil condensing boiler reverse-balancing heat efficient measuring method
JP2009068798A (en) * 2007-09-14 2009-04-02 Toshiba Corp System for optimal operation of thermal power plant
CN202082911U (en) * 2011-05-20 2011-12-21 安阳方快锅炉有限公司 Thermal property testing system of steam boiler
WO2011162117A1 (en) * 2010-06-25 2011-12-29 三菱重工業株式会社 Exhaust gas residual heat recovery device
CN203216732U (en) * 2013-01-30 2013-09-25 浙江中烟工业有限责任公司 Thermal efficiency real-time monitoring system of condensing gas-fired boiler

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2516820Y (en) * 2001-11-16 2002-10-16 宫卓立 Device for monitoring heat efficiency of boiler
CN1584572A (en) * 2004-06-03 2005-02-23 西安交通大学 Fuel oil condensing boiler reverse-balancing heat efficient measuring method
JP2009068798A (en) * 2007-09-14 2009-04-02 Toshiba Corp System for optimal operation of thermal power plant
WO2011162117A1 (en) * 2010-06-25 2011-12-29 三菱重工業株式会社 Exhaust gas residual heat recovery device
CN202082911U (en) * 2011-05-20 2011-12-21 安阳方快锅炉有限公司 Thermal property testing system of steam boiler
CN203216732U (en) * 2013-01-30 2013-09-25 浙江中烟工业有限责任公司 Thermal efficiency real-time monitoring system of condensing gas-fired boiler

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张兴文等: "冷凝式烟气节能器应用在燃气锅炉节能效果分析", 《中国科技博览》 *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104809318B (en) * 2015-05-22 2017-10-27 中船第九设计研究院工程有限公司 A kind of quality of materials and centroid algorithm of the built-in engineering of ship's space
CN104809318A (en) * 2015-05-22 2015-07-29 中船第九设计研究院工程有限公司 Algorithm for mass and gravity center of material for ship cabin interior decoration engineering
CN106525469B (en) * 2016-09-27 2019-07-23 广东省特种设备检测研究院顺德检测院 Movable fuel oil organic heat carrier boiler efficiency detection platform and detection method
CN106644538A (en) * 2016-09-27 2017-05-10 广东省特种设备检测研究院顺德检测院 Industrial fuel oil steam boiler efficiency testing device and method based on positive balance
CN106525469A (en) * 2016-09-27 2017-03-22 广东省特种设备检测研究院顺德检测院 Movable fuel oil organic heat carrier boiler efficiency detection platform and detection method
CN106525470A (en) * 2016-09-27 2017-03-22 广东省特种设备检测研究院顺德检测院 Novel mobile hot water boiler efficiency detection platform and method
CN106524219A (en) * 2016-12-19 2017-03-22 大连圣鼎工业装备有限公司 Environment-friendly automatic control low-index emission gas boiler unit
CN108318268A (en) * 2018-02-05 2018-07-24 上海焱晶燃烧设备检测有限公司 Integrated combustor performance and boiler energy efficiency testing device and test method
CN108426727B (en) * 2018-02-06 2024-06-04 广东省中山市质量计量监督检测所 Gas kitchen ranges thermal efficiency measurement test device
CN108426727A (en) * 2018-02-06 2018-08-21 广东省中山市质量计量监督检测所 A kind of gas cooker thermal efficiency measurement experimental rig
CN110455856A (en) * 2019-07-30 2019-11-15 中国特种设备检测研究院 A kind of supersaturation flue gas condenser thermal property measuring system and its measurement method
CN110455856B (en) * 2019-07-30 2021-11-23 中国特种设备检测研究院 Supersaturated flue gas condenser thermal performance measuring system and measuring method thereof
CN111721665A (en) * 2020-06-19 2020-09-29 陕西省特种设备检验检测研究院 Method and device for detecting content of condensed water in boiler tail flue gas
CN112163318A (en) * 2020-09-02 2021-01-01 项家从 Virtual detection method for thermal efficiency of boiler and heat exchanger
CN112182479A (en) * 2020-09-26 2021-01-05 新奥数能科技有限公司 Boiler thermal efficiency online calculation method and device, readable medium and electronic equipment
CN112182479B (en) * 2020-09-26 2024-03-08 新奥数能科技有限公司 Online calculation method and device for thermal efficiency of boiler, readable medium and electronic equipment

Similar Documents

Publication Publication Date Title
CN103149043A (en) Real-time monitoring system and monitoring method of heat efficiency of condensing gas boiler
CN102734782B (en) Coal burning boiler energy efficiency monitoring method
CN104699937A (en) Boiler efficiency self-correction computing method based on flue gas testing
CN103063354B (en) Confirming method for turbine standard backpressure in thermal power generating unit energy consumption assessment and coal consumption check test
CN104344852A (en) Energy conservation diagnosing method and energy conservation diagnosing system for boiler heating system
CN203216732U (en) Thermal efficiency real-time monitoring system of condensing gas-fired boiler
CN106018730A (en) Coal water content measurement device and method based on coal mill inlet primary air correction
CN105956370A (en) Method for coal-fired power plant to calculate coal consumption and other economic indicators in real time
CN109785187A (en) A kind of electric set electric supply coal consumption detection data bearing calibration
CN107966419A (en) The on-line measurement device of absolute humidity of gas in flue gas or pipeline gas
CN202853655U (en) Flue gas monitoring system
CN112131517A (en) Method for measuring and calculating low calorific value of garbage fired in waste incineration power plant
CN108197723B (en) Optimized energy-saving scheduling method for coal consumption and pollutant discharge of coal-electricity unit power supply
CN201624133U (en) Central heating tobacco baking system using heat transfer oil as heat carrier
Haller et al. A unified model for the simulation of oil, gas and biomass space heating boilers for energy estimating purposes. Part II: Parameterization and comparison with measurements
CN103018279B (en) Method for improving measurement accuracy of oxygen content in boiler flue gas
CN108051563A (en) It is based on14The biomass of C isotope on-line checkings mixes combustion than monitoring system and method
CN104238534B (en) Online monitoring device and online monitoring method for boiling degree of blast-furnace gas boiler economizer
CN202024886U (en) Low-pressure cylinder efficiency measuring device for steam turbine
CN107703181B (en) Evaluate the back balance method of low-pressure coal saver energy-saving effect
CN104776420B (en) The boiler superheater slagging scorification diagnostic method analyzed based on vibration signal characteristics and system
CN105466645A (en) System and method for quickly detecting air leakage factor of boiler tail flue
CN202082911U (en) Thermal property testing system of steam boiler
Gao et al. Measurement method and influencing factors of temperature and humidity of condensed flue gas based on in situ flue gas heat tracing
Carneiro et al. Performance quantification of a cyclonic boiler using biomass sawdust

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20130612