CN108318268A - Integrated combustor performance and boiler energy efficiency testing device and test method - Google Patents

Integrated combustor performance and boiler energy efficiency testing device and test method Download PDF

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Publication number
CN108318268A
CN108318268A CN201810110761.0A CN201810110761A CN108318268A CN 108318268 A CN108318268 A CN 108318268A CN 201810110761 A CN201810110761 A CN 201810110761A CN 108318268 A CN108318268 A CN 108318268A
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boiler
test
efficiency
steam
water
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黎亚洲
汤剑
付军
翟风晋
席丽
陈新燚
肖卫强
王俊
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Shanghai Yanjing Firing Equipment Inspection Co Ltd
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Shanghai Yanjing Firing Equipment Inspection Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00Subject matter not provided for in other groups of this subclass
    • G01M99/002Thermal testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass

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Abstract

The present invention discloses a kind of integrated combustor performance and boiler energy efficiency testing device, it is integrated with industrial personal computer, multiple burner signal acquisition modules and boiler efficiency test module, industrial personal computer is connect with multiple burner signal acquisition modules, boiler efficiency test module respectively, the data of the data and the acquisition of boiler efficiency test module of multiple burner signal acquisition module acquisitions are received, industrial personal computer carries out boiler efficiency positive balance method of testing to data and back balance method of testing obtains boiler efficiency numerical value.It is an advantage of the invention that integrated level is high;Boiler efficiency test uses wireless transmission method, test device small volume easy to carry;Testing efficiency is high, and test result accuracy is high, precision is high.

Description

Integrated combustor performance and boiler energy efficiency testing device and test method
Technical field
The present invention relates to burner performance and boiler efficiency test technical field, more particularly to a kind of integrated combustor Energy and boiler energy efficiency testing device and test method.
Background technology
Burner is one of the boiler core equipment that fuel combustion generates heat, and effect is that fuel arranged and air fill Point mixing, be allowed in time fight stablize burning.It is widely used in civilian and industrial, is related to numerous sides of China's economy Face, such as:Petrochemical industry, building materials metallurgy, metallurgical machinery, electric power highway etc..The measurement index of burner performance mainly has energy consumption With efficiency of combustion, service life and safety etc., performance quality and quality use fuel-oil or fuel-gas boiler and oil field The discharge of the energy consumption in heating furnace field, security performance and pollutant has direct influence.
The tool for burner performance test and equipment have much at present, as patent No. CN201410013940 is disclosed A method of wind speed is tested automatically in coal-burning boiler cold conditions;Patent No. CN201520045677 discloses a kind of for coal The burning of powder stove can be with the equipment of on-line real-time measuremen boiler combustion status parameter.These detection devices are all respective independent tests Some parameter and performance, but the test for carrying out multiple performance cannot be synchronized, then the device that demand integration multiple performance is tested, This is that the application needs the place improved emphatically.
Invention content
The technical problem to be solved by the present invention is to provide a kind of accurate integrated combustor multiple performance of measurement result The device and its test method of test and boiler efficiency test.
In order to solve the above technical problem, the present invention provides a kind of integrated combustor performances and boiler efficiency test to fill It sets, which is integrated with industrial personal computer, multiple burner signal acquisition modules and boiler efficiency test module, industrial personal computer point It is not connect with multiple burner signal acquisition modules, boiler efficiency test module, receives multiple burner signal acquisition modules and adopt Collection data and boiler efficiency test module acquisition data, industrial personal computer to data carry out boiler efficiency positive balance method of testing and Back balance method of testing obtains boiler efficiency numerical value.
The boiler efficiency test module is equipped with and measures general purpose receiver, each with being arranged on burner and boiler A measurement sensor communication, receives each signal for coming from burner and boiler, is sent to industrial personal computer.
The boiler is equipped with intake pressure sensor, inflow temperature sensor, discharge pressure sensor, leaving water temperature Flue-gas temperature sensor, the flue gas emission sensing of sensor, quantity of circulating water sensor, furnace pressure sensor and boiler chimney Device, flue pressure sensor, burner are equipped with fuel consumption sensor, and signal is uploaded to boiler energy by each sensor in real time Imitate test module.
The test method of a kind of integrated combustor performance and boiler energy efficiency testing device, including boiler efficiency positive balance are surveyed Examination method and back balance method of testing.
The boiler efficiency back balance method of testing, includes the following steps:
First step:Before test, a certain amount of fuel, including solid, liquids and gases are sampled, fuel is chemically examined Analysis, will be in the very content input test device of the substances such as each element, molecule or moisture in analysis result;
Second step:When formal measurement, boiler efficiency test module receives in the flue that flue gas emission sensor is sent Flue gas data analyze the ingredient of carbon monoxide in flue gas, nitrogen oxides, sulfur dioxide, percentage oxygen content, go forward side by side Row is corresponding to be calculated;
Third step:Wait for boiler operatiopn to suitable load, and after the time of setting, industrial personal computer calculates row Cigarette heat loss, gas are imperfect combustion heat loss, solid-unburning hot loss, radiation loss, heat loss due to sensible heat in slag, And further calculate, obtain the efficiency test result of boiler;
The wherein calculation formula of boiler counter balancing method:η2=100- (q2+q3+q4+q5+q6);
In formula:η2:Boiler back balance efficiency;q2:Flue gas loss;q3:Heat loss that gas is imperfect combustion;q4:Solid is not Completely burned heat loss;q5:Radiation loss;q6:Heat loss due to sensible heat in slag.
The boiler efficiency positive balance method of testing refers to needed for boiler efficiency test module acquisition different type boiler Sensor signal obtains the efficiency test result of boiler by correspondingly calculating.
The different type boiler efficiency test, including the efficiency test of wet steamer, hot-water boiler or deep fat carry The efficiency test of the efficiency test of body boiler, the efficiency test of superheated steam boiler, electrically heated boiler.
The energy efficiency test method of the wet steamer, includes the following steps:
First step:Before test, pressure sensor is separately connected steam pressure measuring mouth, feed pressure measuring mouth;Temperature Sensor connects feed temperature measuring mouth;Feedwater flow signal, fuel consumption signal access test device;Second step:Deng Boiler operatiopn is waited for suitable load, and after every numerical stability, test device enters the official testing stage, and test device is certainly It is dynamic to record each measuring point value, and by calculating, obtain boiler efficiency test result;Its calculation formula is:
In formula:η1:Boiler positive balance efficiency;Dgs:Steam boiler feedwater flow;hbq:Saturated vapor enthalpy;
hgs:Steam boiler water supply enthalpy;γ:The latent heat of vaporization;ω:Steam moisture;Gs:Boiler water takes when measuring steam moisture Sample;B:Fuel consumption;Qr:Input heat.
The energy efficiency test method of the hot-water boiler or hot oil carrier boiler, includes the following steps:
First step:Before test, pressure sensor is separately connected intake pressure measuring mouth, discharge pressure measuring mouth;Temperature Sensor is separately connected inflow temperature measuring mouth, leaving water temperature measuring mouth;Hot-water boiler circulating water flow signal, fuel consumption It measures signal and accesses test device;
Second step:Wait for boiler operatiopn to suitable load, and after every numerical stability, test device enters formal Test phase, test device automatically records each measuring point value, and by calculating, obtains boiler efficiency test result;It calculates public Formula is as follows:
In formula:η1:Boiler positive balance efficiency;G:Hot-water boiler quantity of circulating water or hot oil carrier boiler recycle oil mass;hcs: Hot-water boiler is discharged enthalpy or the fuel-displaced enthalpy of hot oil carrier boiler;hjs:Hot-water boiler water inlet enthalpy or hot oil carrier boiler oil inlet enthalpy;B: Fuel consumption;Qr:Input heat.
The energy efficiency test method of the superheated steam boiler, includes the following steps:
First step:Before test, pressure sensor is separately connected steam pressure measuring mouth, feed pressure measuring mouth;Temperature Sensor is separately connected superheat steam temperature measuring mouth, feed temperature measuring mouth;Feedwater flow signal, fuel consumption signal Access test device;
Second step:Wait for boiler operatiopn to suitable load, and after every numerical stability, test device enters formal Test phase, test device automatically records each measuring point value, and by calculating, finally obtains boiler efficiency test result;
1) calculation formula when feedwater flow is measured:
In formula:η1:Boiler positive balance efficiency;Dgs:Steam boiler feedwater flow;hgq:Superheated steam enthalpy;hgs:Steam copper Stove water supply enthalpy;Gs:Boiler water sampling when measuring steam moisture;γ:The latent heat of vaporization;B:Fuel consumption;Qr:Input heat;
2) calculation formula when superheat steam flow is measured:
In formula:η1:Boiler positive balance efficiency;Dsc:Steam boiler output steam quantity;Gq:It measures steam moisture or overheat is steamed Steam sampling amount when vapour salt content;hgq:Superheated steam enthalpy;hgs:Steam boiler water supply enthalpy;γ:The latent heat of vaporization;ω:Steam Humidity;Gs:Boiler water sampling when measuring steam moisture;hbq:Saturated vapor enthalpy; B:Fuel consumption;Qr:Input heat.
The energy efficiency test method of the electrically heated boiler includes the efficiency for exporting hot-water boiler and exporting wet steamer Test method, wherein output hot-water boiler includes the following steps:
First step:Before test, wireless pressure sensor is separately connected intake pressure measuring mouth, discharge pressure measuring mouth; Temperature sensor is separately connected inflow temperature measuring mouth, leaving water temperature measuring mouth;Hot-water boiler circulating water flow signal, fuel Consumption signal, electrically heated boiler power consumption signal access test device;
Second step:Wait for boiler operatiopn to suitable load, and after every numerical stability, test device enters formal Test phase, test device automatically records each measuring point value, and by calculating, obtains boiler efficiency test result;It calculates public Formula:
In formula:η1:Boiler positive balance efficiency;G:Hot-water boiler quantity of circulating water or hot oil carrier boiler recycle oil mass; hcs: Hot-water boiler is discharged enthalpy or the fuel-displaced enthalpy of hot oil carrier boiler;hjs:Hot-water boiler water inlet enthalpy or hot oil carrier boiler oil inlet enthalpy;N: Power consumption.
The energy efficiency test method of the output wet steamer, includes the following steps:
First step:Before test, pressure sensor is separately connected steam pressure measuring mouth, feed pressure measuring mouth;Temperature Sensor connects feed temperature measuring mouth;Feedwater flow signal, fuel consumption signal, electrically heated boiler power consumption signal connect Enter test device;
Second step:Wait for boiler operatiopn to suitable load, and after every numerical stability, test device enters formal Test phase, test device automatically records each measuring point value, and by calculating, obtains boiler efficiency test result;It calculates public Formula:
In formula:η1:Boiler positive balance efficiency;Dgs:Steam boiler feedwater flow;hbq:Saturated vapor enthalpy; hgs:Steam copper Stove water supply enthalpy;γ:The latent heat of vaporization;ω:Steam moisture;Gs:Boiler water sampling when measuring steam moisture;N:Power consumption.
Test device of the present invention can not only carry out boiler efficiency test, also be integrated with burner cold conditions and hot a variety of Performance test, integrated level are high.The test of burner cold conditions includes wind quantity test and safety time test, and wherein safety time is tested It is tested including the test of preceding purge time, ignition security time test, main fire safety time test and flame-out safety time.Burning The hot test of device includes flue gas emission test, the test of burner rating curve and flame holding test.Wherein flame-out control is defeated Go out circuit in series in burner flame monitoring circuit.Flame holding test is monitored in real time to burner flame, will The flame video signal transmission of acquisition video pictures is presented on the screen to industrial personal computer, and the shape of directly observation flame is big Small, color, variation tendency avoid testing staff from directly facing flame observation and complete monitoring, and safer, testing efficiency is high.
Superior effect of the present invention is:
1) present invention is to be integrated with all properties test of burner, including the test of wind quantity test, safety time, flue gas Emission test, the test of burner rating curve, flame holding test, also add boiler efficiency test, have very high collection Cheng Du;
2) boiler efficiency test of the present invention uses wireless transmission method, test device small volume of the present invention, convenient for taking Band;
3) present invention improves testing efficiency, and test result accuracy is high, precision is high.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, of the invention Illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is the principle of the present invention block diagram;
Fig. 2 is the flow chart of boiler efficiency test of the present invention;
Fig. 3 is multiple sensing station figures that boiler efficiency test of the present invention is laid;
Fig. 4 is the imperfect combustion heat loss q of gas of the present invention3Choose table;
Fig. 5 is radiation loss q of the present invention5Choose table;
Fig. 6 is the relationship graph of boiler efficiency grade and efficiency of the present invention.
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited by claim Fixed and covering multitude of different ways is implemented.
Describe bright the embodiment of the present invention in detail below in conjunction with the accompanying drawings.
Fig. 1 shows the functional block diagram of the embodiment of the present invention.As shown in Figure 1, the present invention provides a kind of integrated combustors Performance and boiler energy efficiency testing device, the test device are integrated with industrial personal computer, multiple burner signal acquisition modules and boiler energy Test module is imitated, industrial personal computer is connect with multiple burner signal acquisition modules, boiler efficiency test module respectively, is received multiple The data of the data and the acquisition of boiler efficiency test module of the acquisition of burner signal acquisition module, industrial personal computer carry out pot to data Stove efficiency positive balance method of testing and back balance method of testing obtain boiler efficiency numerical value.
Boiler efficiency test is the simple test that major parameter is carried out to Industrial Boiler, for quickly judging that boiler is practical Operational energy efficiency situation.The test of boiler and its system should meet the following conditions:
1) operating status that boiler can be in safety within the scope of design conditions, thermal condition is stablized;
2) run, drip, leak phenomenon is not present in subsidiary engine normal operation, system;
3) fuel of same kind and quality is used during testing;
4) boiler and each point layout of auxiliary system meet the requirement of test outline.
The project of test has following items:Exhaust gas temperature tpy, DEG C;Excess air coefficient α at smoke evacuationpy;CO contains at smoke evacuation Amount, % (ppm);Enter furnace cooling air themperature t1k, DEG C;Fuel industry analysis (fuel As-received low level fever QNet, v, ar, kJ/kg) Test the time of beginning and end.
Boiler efficiency test requires as follows:
The testing time of liquid fuel and Gas Fuel Boilers is no less than 0.5h, and flue gas measures no less than 5 times, between each Every time equalization, test starts, at the end of each 1 time, for CO contents at excess air coefficient at exhaust gas temperature, smoke evacuation, smoke evacuation Take arithmetic mean of instantaneous value as evaluation by test data.Boiler operatiopn operating mode thermal efficiency simple test number is 1 time.
The boiler efficiency test module is equipped with and measures general purpose receiver, each with being arranged on burner and boiler A measurement sensor communication, receives each signal for coming from burner and boiler, is sent to industrial personal computer.
As shown in figure 3, the boiler is arranged on water inlet line equipped with intake pressure sensor 6 and front and back straight pipe In two times of pipe diameters or so, inflow temperature sensor 5 is arranged on water inlet line and coolant-temperature gage is uniformly local, water outlet pressure Force snesor 8 is arranged on outlet conduit and front and back straight pipe is in 2 times of pipe diameters or so, and leaving water temperature sensors 7 are arranged in On outlet conduit and coolant-temperature gage is uniformly local, and quantity of circulating water sensor 10 is arranged on hot-water boiler water inlet line, burner hearth pressure Force snesor 11 is arranged at the glory hole in the middle part of boiler, and specific location is suitably adjusted according to the length of flame;Boiler chimney Flue-gas temperature sensor 2, flue gas emission sensor 4, flue pressure sensor 3, burner be equipped with fuel consumption sensor 9 Burner is arranged in on fuel channel, the measurement of each sensor real-time radio up-delivering signal to boiler efficiency test module General purpose receiver 1.
As shown in Fig. 2, the present invention provides a kind of integrated combustor performance and the test sides of boiler energy efficiency testing device Method, including boiler efficiency positive balance method of testing and back balance method of testing.
The boiler efficiency positive balance method of testing refers to needed for boiler efficiency test module acquisition different type boiler Sensor signal obtains the efficiency test result of boiler by correspondingly calculating.
The different type boiler efficiency test, including the efficiency test of wet steamer, hot-water boiler or deep fat carry The efficiency test of the efficiency test of body boiler, the efficiency test of superheated steam boiler, electrically heated boiler.
The energy efficiency test method of the wet steamer, includes the following steps:
First step:Before test, pressure sensor is separately connected steam pressure measuring mouth, feed pressure measuring mouth;Temperature Sensor connects feed temperature measuring mouth;Feedwater flow signal, fuel consumption signal access test device;Second step:Deng Boiler operatiopn is waited for suitable load, and after every numerical stability, test device enters the official testing stage, and test device is certainly It is dynamic to record each measuring point value, and by calculating, obtain boiler efficiency test result;Its calculation formula is:
In formula:η1:Boiler positive balance efficiency;Dgs:Steam boiler feedwater flow;hbq:Saturated vapor enthalpy;
hgs:Steam boiler water supply enthalpy;γ:The latent heat of vaporization;ω:Steam moisture;Gs:Boiler water takes when measuring steam moisture Sample;B:Fuel consumption;Qr:Input heat.
The energy efficiency test method of the hot-water boiler or hot oil carrier boiler, includes the following steps:
First step:Before test, pressure sensor is separately connected intake pressure measuring mouth, discharge pressure measuring mouth;Temperature Sensor is separately connected inflow temperature measuring mouth, leaving water temperature measuring mouth;Hot-water boiler circulating water flow signal, fuel consumption It measures signal and accesses test device;
Second step:Wait for boiler operatiopn to suitable load, and after every numerical stability, test device enters formal Test phase, test device automatically records each measuring point value, and by calculating, obtains boiler efficiency test result;It calculates public Formula is as follows:
In formula:η1:Boiler positive balance efficiency;G:Hot-water boiler quantity of circulating water or hot oil carrier boiler recycle oil mass;hcs: Hot-water boiler is discharged enthalpy or the fuel-displaced enthalpy of hot oil carrier boiler;hjs:Hot-water boiler water inlet enthalpy or hot oil carrier boiler oil inlet enthalpy;B: Fuel consumption;Qr:Input heat.
The energy efficiency test method of the superheated steam boiler, includes the following steps:
First step:Before test, pressure sensor is separately connected steam pressure measuring mouth, feed pressure measuring mouth;Temperature Sensor is separately connected superheat steam temperature measuring mouth, feed temperature measuring mouth;Feedwater flow signal, fuel consumption signal Access test device;
Second step:Wait for boiler operatiopn to suitable load, and after every numerical stability, test device enters formal Test phase, test device automatically records each measuring point value, and by calculating, finally obtains boiler efficiency test result;
1) calculation formula when feedwater flow is measured:
In formula:η1:Boiler positive balance efficiency;Dgs:Steam boiler feedwater flow;hgq:Superheated steam enthalpy;hgs:Steam copper Stove water supply enthalpy;Gs:Boiler water sampling when measuring steam moisture;γ:The latent heat of vaporization;B:Fuel consumption;Qr:Input heat;
2) calculation formula when superheat steam flow is measured:
In formula:η1:Boiler positive balance efficiency;Dsc:Steam boiler output steam quantity;Gq:It measures steam moisture or overheat is steamed Steam sampling amount when vapour salt content;hgq:Superheated steam enthalpy;hgs:Steam boiler water supply enthalpy;γ:The latent heat of vaporization;ω:Steam Humidity;Gs:Boiler water sampling when measuring steam moisture;hbq:Saturated vapor enthalpy; B:Fuel consumption;Qr:Input heat.
The energy efficiency test method of the electrically heated boiler includes the efficiency for exporting hot-water boiler and exporting wet steamer Test method, wherein output hot-water boiler includes the following steps:
First step:Before test, wireless pressure sensor is separately connected intake pressure measuring mouth, discharge pressure measuring mouth; Temperature sensor is separately connected inflow temperature measuring mouth, leaving water temperature measuring mouth;Hot-water boiler circulating water flow signal, fuel Consumption signal, electrically heated boiler power consumption signal access test device;
Second step:Wait for boiler operatiopn to suitable load, and after every numerical stability, test device enters formal Test phase, test device automatically records each measuring point value, and by calculating, obtains boiler efficiency test result;It calculates public Formula:
In formula:η1:Boiler positive balance efficiency;G:Hot-water boiler quantity of circulating water or hot oil carrier boiler recycle oil mass; hcs: Hot-water boiler is discharged enthalpy or the fuel-displaced enthalpy of hot oil carrier boiler;hjs:Hot-water boiler water inlet enthalpy or hot oil carrier boiler oil inlet enthalpy;N: Power consumption.
The energy efficiency test method of the output wet steamer, includes the following steps:
First step:Before test, pressure sensor is separately connected steam pressure measuring mouth, feed pressure measuring mouth;Temperature Sensor connects feed temperature measuring mouth;Feedwater flow signal, fuel consumption signal, electrically heated boiler power consumption signal connect Enter test device;
Second step:Wait for boiler operatiopn to suitable load, and after every numerical stability, test device enters formal Test phase, test device automatically records each measuring point value, and by calculating, obtains boiler efficiency test result;It calculates public Formula:
In formula:η1:Boiler positive balance efficiency;Dgs:Steam boiler feedwater flow;hbq:Saturated vapor enthalpy; hgs:Steam copper Stove water supply enthalpy;γ:The latent heat of vaporization;ω:Steam moisture;Gs:Boiler water sampling when measuring steam moisture;N:Power consumption.
The boiler efficiency back balance method of testing, includes the following steps:
First step:Before test, a certain amount of fuel, including solid, liquids and gases are sampled, fuel is chemically examined Analysis, will be in the very content input test device of the substances such as each element, molecule or moisture in analysis result;
Second step:When formal measurement, boiler efficiency test module receives in the flue that flue gas emission sensor is sent Flue gas data analyze the ingredient of carbon monoxide in flue gas, nitrogen oxides, sulfur dioxide, percentage oxygen content, go forward side by side Row is corresponding to be calculated;
Third step:Wait for boiler operatiopn to suitable load, and after the time of setting, industrial personal computer calculates row Cigarette heat loss, gas are imperfect combustion heat loss, solid-unburning hot loss, radiation loss, heat loss due to sensible heat in slag, And further calculate, obtain the efficiency test result of boiler;
The wherein calculation formula of boiler counter balancing method:η2=100- (q2+q3+q4+q5+q6);
In formula:η2:Boiler back balance efficiency;q2:Flue gas loss;q3:Heat loss that gas is imperfect combustion;q4:Solid is not Completely burned heat loss;q5:Radiation loss;q6:Heat loss due to sensible heat in slag.
Wherein:1) heat loss due to exhaust gas q2:It pressesIt is calculated, for oil, gas m =0.5, n=3.45;αpyIt is excess air coefficient at smoke evacuation, to coal, oil, calculation formula is as follows:
In formula, O2' it is O at smoke evacuation2%;CO' is CO% at smoke evacuation;H2' it is H at smoke evacuation2%;CmHn' it is at smoke evacuation CmHn%;RO2' it is RO at smoke evacuation2%.
To gas, calculation formula is as follows:
tpyIt is flue-gas temperature at smoke evacuation, DEG C;t1kIt is the air themperature into stove, DEG C;
2) the imperfect combustion heat loss q of gas3It is chosen by Fig. 4 tables;
3) for oil-burning gas-fired boiler solid-unburning hot loss q4Equal to 0;
4) radiation loss q5:When boiler actual motion output is not less than the 75% of nominal output, radiation loss q5It can be direct It is chosen by Fig. 5 tables;
When boiler actual motion output is less than the 75% of nominal output, radiation loss q5With the value of Fig. 5 tables according to following two A formula is modified:
In formula:DscIt is output steam quantity, units/kg/h.
When boiler actual motion is contributed less than nominal output 30%, it is modified, can not measures by 30% output condition When boiler output, practical contribute calculates by the 65% of nominal output.
5) heat loss due to sensible heat in slag q6:For oil-burning gas-fired boiler, q6It is 0;
Fig. 6 is the relationship graph of boiler efficiency grade and efficiency.
Multiple performance under test device of the present invention further includes burner cold conditions and is hot is tested, and includes air quantity under cold conditions Test and safety time test, wherein safety time test includes the test of fore blow flyback time, ignition security time test, main fire Safety time is tested and the test of flame-out safety time.
Industrial personal computer is connect with wind quantity test module, safety time test module, and safety time test module receives industrial personal computer The safety time of burner is tested in the instruction sent out, and wind quantity test module is by the barometer of acquisition, air duct differential pressure The signal of table and thermohygrometer is sent into industrial personal computer, and the airflow value in air duct is obtained after industrial computer data is handled.
The air quantity data signal transmission of acquisition to industrial personal computer is obtained air duct by wind quantity test module after industrial personal computer is handled Airflow value.Wind quantity test is divided into circular air channel test, rectangular duct test and other air ducts and tests three kinds of tests.By air quantity The signal acquisition module of test is placed on different location multi collect and is tested the differential pressure in air duct, environment temperature, ambient humidity, air Each item data of pressure, industrial personal computer pass through the air quantity that each measuring point is calculated, are averaged to the air quantity of each measuring point and obtain wind The final testing result of amount.
External five strand of safety time test module, per share is two core wires, wherein the input signal of wind turbine startup, igniting Input signal, small fire input signal, big fire input signal are tests whether there is or not electric signal, by this four strand respectively with burner The control power supply connection of wind turbine, ignition transformer, lighting valve (no lighting valve can connect small fire valve), main fire valve, two cores when connection Line can be measured regardless of positive and negative anodes, voltage signal regardless of alternating current-direct current, and effective range is 30V-500V AC/DC.Flame-out control Output loop processed need to be connected in burner flame monitoring circuit, according to timing condition, disconnect circuit in due course.
When safety time test module monitors each voltage signal, judge and follow the communication protocol of setting with Industrial personal computer communicates, and shows that final result, measurement accuracy are ± 0.01 second on the screen.
Include flue gas emission test, the test of burner rating curve and flame holding test under hot.
Flue gas emission is tested, and is inserted a probe into flue first, extracts flue gas in flue, dedusting is filtered to it, then Enter condensing filter water-dust removing by the sampling channel with heat tracing, finally enter flue gas analyzer, to the ingredient of flue gas It is analyzed, and it will be shown on screen.
When burner rating curve is tested, burner enters hot operation, and burning chamber pressure is acquired by signal acquisition module Power, fuel flow rate, fuel pressure and fuel temperature signal are sent into industrial personal computer, and power curve is obtained after industrial computer data is handled Figure.
Flame holding is tested, and is observed and recorded to the flame of test furnace using USB3.0 industry cameras, and handle is adopted The video signal transmission collected video pictures is presented on the screen to industrial personal computer, observes that the shape of flame is big on the screen Small, color, variation tendency.Wherein flame-out output control loop is connected in burner flame monitoring circuit.With directly face fire Flame observation is compared, and the flame holding test method of the application has the advantages that protect observer's health, personal safety, Testing staff is avoided directly to face flame observation, it in addition can be with complete monitoring, to greatly improve testing efficiency.Observation Flame holding is judged when flame according to the following steps:
When burner is run according to power curve to each test point, whether there is or not wave for observation burner outlet flame root Phenomenon, for oil burner, in load adjustable extent, whether observation flame periphery there is black particle stream;
When burner is run according to power curve to each test point, the whether continuous normal combustion of observation flame at least 10 Minute.
Detecting step of the present invention is simple, and testing result is accurate, and precision is high, integrates multiple testing performance indexes.It is extremely suitable Product export for burner manufacturer is examined and the detection of third party testing agency progress relevant item, has extensive Application prospect.
The foregoing is merely the preferred embodiments of the present invention, are not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (12)

1. a kind of integrated combustor performance and boiler energy efficiency testing device, it is characterised in that:The test device be integrated with industrial personal computer, Multiple burner signal acquisition modules and boiler efficiency test module, industrial personal computer respectively with multiple burner signal acquisition modules, Boiler efficiency test module connects, and the data and boiler efficiency test module for receiving multiple burner signal acquisition module acquisitions are adopted The data of collection, industrial personal computer carries out boiler efficiency positive balance method of testing to data and back balance method of testing obtains boiler efficiency numerical value.
2. integrated combustor performance according to claim 1 and boiler energy efficiency testing device, it is characterised in that:The boiler Efficiency test module is equipped with and measures general purpose receiver, is communicated with each measurement sensor being arranged on burner and boiler, The each data for coming from burner and boiler are received, industrial personal computer is sent to.
3. integrated combustor performance according to claim 2 and boiler energy efficiency testing device, it is characterised in that:The boiler Intake pressure sensor, inflow temperature sensor, discharge pressure sensor, leaving water temperature sensors, quantity of circulating water is equipped with to pass Flue-gas temperature sensor, flue gas emission sensor, the flue pressure sensor of sensor, furnace pressure sensor and boiler chimney, Burner is equipped with fuel consumption sensor, and signal is uploaded to boiler efficiency test module by each sensor in real time.
4. the test method of a kind of integrated combustor performance as described in claim 1 and boiler energy efficiency testing device, including pot Stove efficiency positive balance method of testing and back balance method of testing.
5. the test method of integrated combustor performance according to claim 4 and boiler energy efficiency testing device, feature exist In:The boiler efficiency back balance method of testing, includes the following steps:
First step:Before test, a certain amount of fuel, including solid, liquids and gases are sampled, fuel is subjected to assay, It will be in the very content input test device of the substances such as each element, molecule or moisture in analysis result;
Second step:When formal measurement, boiler efficiency test module receives the flue gas in the flue that flue gas emission sensor is sent Data analyze the ingredient of carbon monoxide in flue gas, nitrogen oxides, sulfur dioxide, percentage oxygen content, and carry out corresponding Calculating;
Third step:Wait for boiler operatiopn to suitable load, and after the time of setting, industrial personal computer calculates exhaust gas heat loss It loses, gas is imperfect combustion heat loss, solid-unburning hot loss, radiation loss, heat loss due to sensible heat in slag, and further It calculates, obtains the efficiency test result of boiler;
The wherein calculation formula of boiler counter balancing method:η2=100- (q2+q3+q4+q5+q6);
In formula:η2:Boiler back balance efficiency;q2:Flue gas loss;q3:Heat loss that gas is imperfect combustion;q4:Solid does not fire completely Heat loss;q5:Radiation loss;q6:Heat loss due to sensible heat in slag.
6. the test method of integrated combustor performance according to claim 3 or 4 and boiler energy efficiency testing device, feature It is:The boiler efficiency positive balance method of testing refers to the sensing needed for boiler efficiency test module acquisition different type boiler Device signal obtains the efficiency test result of boiler by correspondingly calculating.
7. the test method of integrated combustor performance according to claim 6 and boiler energy efficiency testing device, feature exist In:The different type boiler efficiency test, including the efficiency test of wet steamer, hot-water boiler or hot oil carrier boiler Efficiency test, the efficiency test of superheated steam boiler, electrically heated boiler efficiency test.
8. the test method of integrated combustor performance according to claim 7 and boiler energy efficiency testing device, feature exist In:The energy efficiency test method of the wet steamer, includes the following steps:
First step:Before test, pressure sensor is separately connected steam pressure measuring mouth, feed pressure measuring mouth;Temperature sensing Device connects feed temperature measuring mouth;Feedwater flow signal, fuel consumption signal access test device;
Second step:Wait for boiler operatiopn to suitable load, and after every numerical stability, test device enters official testing rank Section, test device automatically records each measuring point value, and by calculating, obtains boiler efficiency test result;
Its calculation formula is:
In formula:η1:Boiler positive balance efficiency;Dgs:Steam boiler feedwater flow;hbq:Saturated vapor enthalpy;
hgs:Steam boiler water supply enthalpy;γ:The latent heat of vaporization;ω:Steam moisture;Gs:Boiler water sampling when measuring steam moisture;B: Fuel consumption;Qr:Input heat.
9. the test method of integrated combustor performance according to claim 7 and boiler energy efficiency testing device, feature exist In:The energy efficiency test method of the hot-water boiler or hot oil carrier boiler, includes the following steps:
First step:Before test, pressure sensor is separately connected intake pressure measuring mouth, discharge pressure measuring mouth;Temperature sensing Device is separately connected inflow temperature measuring mouth, leaving water temperature measuring mouth;Hot-water boiler circulating water flow signal, fuel consumption signal Access test device;
Second step:Wait for boiler operatiopn to suitable load, and after every numerical stability, test device enters official testing rank Section, test device automatically records each measuring point value, and by calculating, obtains boiler efficiency test result;
Its calculation formula is as follows:
In formula:η1:Boiler positive balance efficiency;G:Hot-water boiler quantity of circulating water or hot oil carrier boiler recycle oil mass;hcs:Water bath Stove is discharged enthalpy or the fuel-displaced enthalpy of hot oil carrier boiler;hjs:Hot-water boiler water inlet enthalpy or hot oil carrier boiler oil inlet enthalpy;B:Fuel consumption Amount;Qr:Input heat.
10. the test method of integrated combustor performance according to claim 7 and boiler energy efficiency testing device, feature exist In:The energy efficiency test method of the superheated steam boiler, includes the following steps:
First step:Before test, pressure sensor is separately connected steam pressure measuring mouth, feed pressure measuring mouth;Temperature sensing Device is separately connected superheat steam temperature measuring mouth, feed temperature measuring mouth;Feedwater flow signal, the access of fuel consumption signal are surveyed Trial assembly is set;
Second step:Wait for boiler operatiopn to suitable load, and after every numerical stability, test device enters official testing rank Section, test device automatically records each measuring point value, and by calculating, finally obtains boiler efficiency test result;
1) calculation formula when feedwater flow is measured:
In formula:η1:Boiler positive balance efficiency;Dgs:Steam boiler feedwater flow;hgq:Superheated steam enthalpy;hgs:Steam boiler water supply Enthalpy;Gs:Boiler water sampling when measuring steam moisture;γ:The latent heat of vaporization;B:Fuel consumption;Qr:Input heat;
2) calculation formula when superheat steam flow is measured:
In formula:η1:Boiler positive balance efficiency;Dsc:Steam boiler output steam quantity;Gq:Measure steam moisture or superheated steam saliferous Steam sampling amount when amount;hgq:Superheated steam enthalpy;hgs:Steam boiler water supply enthalpy;γ:The latent heat of vaporization;ω:Steam moisture;Gs: Boiler water sampling when measuring steam moisture;hbq:Saturated vapor enthalpy;B:Fuel consumption;Qr:Input heat.
11. the test method of integrated combustor performance according to claim 7 and boiler energy efficiency testing device, feature exist In:The energy efficiency test method of the electrically heated boiler includes the efficiency test side for exporting hot-water boiler and exporting wet steamer Method, wherein output hot-water boiler includes the following steps:
First step:Before test, wireless pressure sensor is separately connected intake pressure measuring mouth, discharge pressure measuring mouth;Temperature Sensor is separately connected inflow temperature measuring mouth, leaving water temperature measuring mouth;Hot-water boiler circulating water flow signal, fuel consumption Signal, electrically heated boiler power consumption signal access test device;
Second step:Wait for boiler operatiopn to suitable load, and after every numerical stability, test device enters official testing rank Section, test device automatically records each measuring point value, and by calculating, obtains boiler efficiency test result;
Its calculation formula:
In formula:η1:Boiler positive balance efficiency;G:Hot-water boiler quantity of circulating water or hot oil carrier boiler recycle oil mass;hcs:Water bath Stove is discharged enthalpy or the fuel-displaced enthalpy of hot oil carrier boiler;hjs:Hot-water boiler water inlet enthalpy or hot oil carrier boiler oil inlet enthalpy;N:Power consumption.
12. the test method of integrated combustor performance according to claim 10 and boiler energy efficiency testing device, feature It is:The energy efficiency test method of the output wet steamer, includes the following steps:
First step:Before test, pressure sensor is separately connected steam pressure measuring mouth, feed pressure measuring mouth;Temperature sensing Device connects feed temperature measuring mouth;Feedwater flow signal, fuel consumption signal, the access test of electrically heated boiler power consumption signal Device;
Second step:Wait for boiler operatiopn to suitable load, and after every numerical stability, test device enters official testing rank Section, test device automatically records each measuring point value, and by calculating, obtains boiler efficiency test result;
Its calculation formula:
In formula:η1:Boiler positive balance efficiency;Dgs:Steam boiler feedwater flow;hbq:Saturated vapor enthalpy;hgs:Steam boiler water supply Enthalpy;γ:The latent heat of vaporization;ω:Steam moisture;Gs:Boiler water sampling when measuring steam moisture;N:Power consumption.
CN201810110761.0A 2018-02-05 2018-02-05 Integrated combustor performance and boiler energy efficiency testing device and test method Pending CN108318268A (en)

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