CN106644538A - Industrial oil-fired steam boiler efficiency test device and method based on positive balance - Google Patents
Industrial oil-fired steam boiler efficiency test device and method based on positive balance Download PDFInfo
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- CN106644538A CN106644538A CN201610861648.7A CN201610861648A CN106644538A CN 106644538 A CN106644538 A CN 106644538A CN 201610861648 A CN201610861648 A CN 201610861648A CN 106644538 A CN106644538 A CN 106644538A
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- steam
- boiler
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal testing
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Abstract
The invention discloses a movable industrial steam boiler efficiency test device based on positive balance, which comprises a fixing base, a steam measuring system, a boil water inlet measurement system, an oil metering analysis system and a control and data processing system, wherein at least one group of heat exchanger, a condensed water tank, a steam inlet and a cooling water inlet are also arranged on the fixing base; the steam inlet is connected with a hot fluid pipe inlet of the heat exchanger; the cooling water inlet is connected with a cold fluid pipe inlet of the heat exchanger; and the hot fluid pipe outlet and the cold fluid pipe outlet of the heat exchanger are connected with the condensed water tank. The whole device has the advantages that the device is simple; the mounting is compact; the mobility is good; the reliability is high; the effective heat generation amount is directly calculated through measurement on the steam parameters and the boil water inlet parameters; the measurement errors are small; the precision is high; and due to the control and data processing system, a test report can be generated automatically after the test is over, and printing through a printer and uploading on a communication network can be realized.
Description
【Technical field】
The present invention relates to a kind of boiler test device, more particularly to a kind of industrial fuel oil steam boiler effect based on positive balance
Rate test device and its method.
【Background technology】
China's industrial fuel oil steam boiler is numerous, primarily to enterprise provides steam is used for productive life.Industrial fuel oil
Steam boiler production firm is numerous, causes produced industrial fuel oil steam boiler quality uneven.As country carries energetically
Energy-saving and emission-reduction are advocated, the detection of Industrial Boiler is also included into wherein.In current condition, after industrial boiler operation, manage more extensive,
Boiler operatiopn proficiency differ, and seldom carries out Efficiency testing, and these factors cause boiler to ensure to be chronically at normal fortune
Water-filling is put down.By the detection to boiler, boiler operation level is assessed, propose improved method, lift boiler efficiency, reduce pollution row
Put, it is significant for saving fuel oil and reduction discharge.
Traditional oil-fired steam boiler detection method is to calculate boiler efficiency based on back balance.By detecting smoke components
And exhaust gas temperature, so calculate smoke evacuation heat dissipation capacity, efficiency of combustion and boiler efficiency.For the back balance of oil-fired steam boiler is tested
In, smoke components are complicated, and the accurate test of smoke components is the key of efficiency test accuracy, and this is just to flue gas analyzer performance
There is very high requirement.But the flue gas analyzer of existing pinpoint accuracy is expensive, the restricted lifetime of its gas detector needs
Jing is often changed so that testing cost increases.
【The content of the invention】
It is an object of the invention to overcome the shortcoming and deficiency of prior art, there is provided a kind of industrial fuel oil based on positive balance
Steam boiler efficiency test device, can be by directly determining fuel flow, steam flow, temperature, humidity, boiler feed water temperature
Degree, flow, calculate effective quantity of heat production, and so as to draw boiler efficiency, package unit takes small volume, belongs to movable equipment,
Can be transported to boiler scene by modes such as vehicle, ships and be detected.
It is a further object of the present invention to provide a kind of industrial fuel oil steam boiler Efficiency test method based on positive balance, surveys
Examination process is simple to operation, surveys data and is automatically analyzed by computer program, can print and upload test result.
To achieve these goals, the present invention is realized in：A kind of industrial steam boiler efficiency based on positive balance
Test device, including fixed pedestal, are installed with steam measurement system, boiler and enter measuring system, combustion on the fixed pedestal
Oil measurement analysis system and control and data handling system, the steam measurement system, boiler feed water measuring system, fuel metering
Analysis system and the control and data handling system electrical connection；Minimum one group of heat exchange is additionally provided with the fixed pedestal
Device, condensate tank, steam inlet and cooling water inlet, the steam inlet is connected with the hot fluid tube inlet of the heat exchanger,
The cooling water inlet is connected with the cold fluid hose entrance of the heat exchanger, the outlet of hot fluid pipe and the cold flow body of the heat exchanger
Pipe outlet is all connected with the condensate tank, and on the condensate tank outlet is provided with.The effect of the heat exchanger is by pot
The steam condensation that stove is produced, the water after steam condensation in the hot fluid pipe of heat exchanger and cold fluid hose is with condensed water by condensing
The outlet arranged on water tank is discharged, if being not provided with heat exchanger, high-temperature steam is expelled directly out the presence of potential potential safety hazard.
The heat exchanger can arrange four groups on fixed pedestal, and the steam inlet will be changed by magnetic valve described in four
Hot device is sequentially connected in series or single connection for minimum two successively；The cooling water inlet passes through magnetic valve by four heat exchangers
Successively minimum two are sequentially connected in series or single connection.
The control includes computer, communication network and printer with data handling system, can be to steam measurement system, pot
Stove water inlet measuring system and the data of fuel metering analysis system transmission are analyzed, and form report, and can be beaten by printer
Print and communication network are uploaded；Control can control the switch of magnetic valve with data handling system.
Enabling and closing for every heat exchanger can be controlled by magnetic valve, the test request of different capacity boiler is adapted to,
And when indivedual heat exchangers break down, maskable particular heat exchanger, ensuring equipment normally runs.
The heat exchanger is plate type heat exchanger.
The steam measurement system includes being arranged on steam-flow meter, vapor (steam) temperature table, the steam at the steam inlet
Humidity measuring instrument and steam pressure gauge.As the case may be, steam-flow meter, vapor (steam) temperature table, steam wetness measurement device
Steam inlet flat segments are mountable to, steam pressure gauge is mountable on boiler drum.Steam measurement system is to flow, temperature
The data such as degree, humidity are surveyed data and are gathered by data acquisition equipment.
The boiler feed water measuring system is included for the water-thermometer and flowmeter at boiler water pipe to be measured.
As the case may be, water-thermometer and flowmeter are mountable to boiler water pipe flat segments.Boiler feed water measuring system surveys number
According to being gathered by data acquisition equipment.
The fuel metering analysis system is included for the fuel oil temperature table at boiler inflow pipeline to be measured and combustion
Oil flowmeter.Fuel oil temperature table and fuel flowmeter are installed on fuel inflow pipeline flat segments.Fuel metering analysis system is surveyed
Data are gathered by data acquisition equipment.
What the condensate tank was fabricated to by stainless steel.
What the fixed pedestal was fabricated to by stainless steel.
A kind of industrial steam boiler Efficiency test method based on positive balance, based on a kind of above-mentioned work based on positive balance
Industry steam boiler efficiency test device, performs following steps：
S1. first cooling water inlet connected into cooling water source, steam inlet connects the steam (vapor) outlet of tested boiler, boiler feed water
Measuring system connects at boiler water pipe to be measured, and fuel metering analysis system connects at boiler inflow pipeline to be measured；In boiler
Before work, cooling water is first conveyed, prevent heat exchanger from burning；The pipe of heat exchanger is controlled by the control and data handling system
Electromagnetic valve switch on road；When boiler works, the steam of boiler output to be measured flows successively through the heat exchange opened by jet chimney
Device, cooling water flows successively through the heat exchanger opened by cooling water pipeline, and the condensed water and cooling water formed after steam cooling is equal
In draining into condensate tank, the water in condensate tank is discharged by condensate tank outlet；
S2. boiler is entered after steady running condition, proceeds by test job：Steam measurement system measures in real time pot to be measured
Stove output steam flow, humidity, temperature and pressure, boiler feed water measuring system measure in real time boiler to be measured flow of inlet water and
Temperature, fuel measurement analysis system measures in real time the fuel oil temperature and flow of boiler to be measured, and steam measurement system, boiler feed water is surveyed
Amount system and fuel measurement analysis system process data transfer with data handling system to control.
Compared with prior art, the present invention has the advantage that as follows with Advantageous Effects：
(1) effective quantity of heat production is directly calculated by carrying out the measurement of steam parameter and boiler feed water parameter, measure error is little,
High precision；
(2) with mobility, whole test device can be visited by modes such as vehicles and carry out boiler efficiency test；
(3) install simple compact, using flexibly, testing cost is low；
(4) with multiple heat exchangers, efficiency test can be carried out for different load boiler；
(5) by solenoid valve control, whether it comes into operation heat exchanger, still can enter when indivedual heat exchangers break down
Row test, reliability is high；
(6) can realize that test report is automatically generated, and can directly print and be uploaded by network, greatly reduce
Data processing time.
【Description of the drawings】
Fig. 1 is present system structured flowchart；
Fig. 2 is the structured flowchart of present invention control and data handling system.
【Specific embodiment】
Explanation is described in detail to the present invention below in conjunction with the drawings and specific embodiments.
A kind of industrial steam boiler efficiency test device based on positive balance, including fixed pedestal 1, steam measurement system,
Boiler feed water measuring system, fuel metering analysis system and control and data handling system, the steam measurement system, boiler enter
Water gaging system, fuel metering analysis system and control are fixed on fixed pedestal 1 with data handling system；The vapour survey
System, boiler feed water measuring system, fuel metering analysis system are connected with control with data handling system, in the fixed pedestal
It is upper that minimum one group of heat exchanger, condensate tank, steam inlet and cooling water inlet, the steam inlet and the heat exchanger are set
Hot side import connects, and the hot side outlet of the heat exchanger is connected with condensate tank, the cooling water inlet and the heat exchanger
Cold side import connects, and the cold side outlet port of the heat exchanger is connected with condensate tank, outlet is provided with condensate tank and (is condensed
Tank outlet).The steam measurement system, boiler feed water measuring system, fuel metering analysis system, control and data processing system
System, heat exchanger, cooling water and jet chimney, magnetic valve and condensate tank are both secured on pedestal 1.The fixed pedestal 1 can
With by movement, transport.Preferably, the fixed pedestal 1 may be mounted on motor vehicle carrying platform, in order to carry.It is described
Heat exchanger can arrange four groups on fixed pedestal 1, the steam inlet by magnetic valve by four heat exchangers according to
Secondary minimum two are sequentially connected in series or single connection；The cooling water inlet pipeline by magnetic valve by four heat exchangers according to
Secondary minimum two are sequentially connected in series or single connection.Can be that single heat exchanger is practical or any by the control of magnetic valve
Two or more than three are used in series.
The control includes computer, communication network and printer with data handling system, can be to steam measurement system, pot
Stove water inlet measuring system and the data of fuel metering analysis system transmission are analyzed, and form report, and can be beaten by printer
Print and communication network are uploaded；Control can control the switch of magnetic valve with data handling system.Can be controlled often by magnetic valve
Enabling and closing for platform heat exchanger, adapts to the test request of different capacity boiler, and when indivedual heat exchangers break down, can
Particular heat exchanger is closed, ensuring equipment normally runs.
The heat exchanger is preferably plate type heat exchanger.Felt pad is set between the heat exchanger and fixed pedestal 1.The steaming
Vapour measuring system (diagram steam flow, humidity, temperature measurement system) includes that steam-flow meter, steam wetness measurement device are (wet
Degree meter), vapor (steam) temperature table and steam pressure gauge (pressure gauge).Steam-flow meter, vapor (steam) temperature table, steam wetness measurement device peace
Loaded on steam inlet flat segments, steam pressure gauge is installed on boiler drum.Steam measurement system surveys data by number
Gather according to collecting device (can be single-chip microcomputer).(diagram comes flow of inlet water, temperature survey system for the boiler feed water measuring system
System) include water-thermometer and flowmeter.Water-thermometer and flowmeter are installed and boiler water pipe flat segments.Boiler feed water measuring system
Surveyed data are gathered by data acquisition equipment (can be single-chip microcomputer).Fuel metering analysis system (the diagram fuel metering
Analysis system) include fuel oil temperature table and fuel flowmeter.Fuel oil temperature table and fuel flowmeter are installed on fuel inflow pipeline
Flat segments.Fuel metering analysis system is surveyed data and is gathered by data acquisition equipment (can be single-chip microcomputer).The condensate
Case is fabricated to by stainless steel.What the fixed pedestal 1 was fabricated to by stainless steel.
As shown in Fig. 2 the boiler feed water parameter that the boiler feed water measuring system is measured, the steam measurement system survey
The steam parameter data measured, the combustion parameter data that the fuel metering analysis system is measured can be by wire or nothing
Line input control is processed with data handling system, and the result data after process is uploaded to clothes by control with data handling system
Business device or printer are printed.
In embodiment as a example by using four heat exchangers.Cooling water such as running water or other water sources are entered by cooling water
Mouth enters heat exchanger, and steam inlet is connected with Boiler Steam outlet.
A kind of industrial steam boiler Efficiency test method based on positive balance, using a kind of above-mentioned work based on positive balance
Industry steam boiler efficiency test device performs following steps：
S1. first cooling water inlet connected into cooling water source, steam inlet connects the steam (vapor) outlet of tested boiler, boiler feed water
Measuring system connects at boiler water pipe to be measured, and fuel metering analysis system connects at boiler inflow pipeline to be measured；In boiler
Before work, cooling water is first conveyed, prevent heat exchanger from burning；The pipe of heat exchanger is controlled by the control and data handling system
Electromagnetic valve switch on road；When boiler works, the steam of boiler output to be measured flows successively through four heat exchangers by jet chimney,
Cooling water flows successively through four heat exchangers by cooling water pipeline, and the condensed water and cooling water formed after steam cooling drains into solidifying
In bearing water case, the water in condensate tank is discharged by condensate tank outlet；
S2. boiler is entered after steady running condition, proceeds by test job：Steam measurement system measures in real time pot to be measured
Stove output steam flow, humidity, temperature and pressure, boiler feed water measuring system measure in real time boiler to be measured flow of inlet water and
Temperature, fuel measurement analysis system measures in real time the fuel oil temperature and flow of boiler to be measured, and steam measurement system, boiler feed water is surveyed
Amount system and fuel measurement analysis system process data transfer with data handling system to control, can be by surveyed data
Computer is stored in by data acquisition equipment collection, computer is analyzed and calculating to data, forms report, and be capable of achieving
Print and upload.
Boiler efficiency positive balance is calculated for wet steamer and superheated steam boiler are different.For saturated vapor
The processing method of boiler is as follows, and the computing formula 1 of positive balance is：
η in computing formula 11- boiler positive balance efficiency；Dgs- steam boiler feedwater flow, kg/h；hbq- saturated vapor
Enthalpy, kJ/kg；hgs- steam boiler feedwater enthalpy, kJ/kg；R-the latent heat of vaporization, kJ/kg；ω-steam moisture, %；Gs- pot water
Sampling amount, kg/h；B-Fuel Consumption, kg/h；Qr- boiler is input into heat, kJ/kg.
For superheated steam boiler, when feedwater flow is measured, then there is the computing formula 2 to be：
η in computing formula 21- boiler positive balance efficiency；Dgs- steam boiler feedwater flow, kg/h；hbq- saturated vapor
Enthalpy, kJ/kg；hgs- steam boiler feedwater enthalpy, kJ/kg；R-the latent heat of vaporization, kJ/kg；Gs- pot water sampling amount, kg/h；B-combustion
Material consumption, kg/h；Qr- boiler is input into heat, kJ/kg.
When superheat steam flow is measured, then there is the computing formula 3 to be：
H in the formula of computing formula 3gq- superheated steam enthalpy, kJ/kg；hzy- personal steam enthalpy, kJ/kg；Dsc- output steam
Amount, kg/h；Gp- steam sampling amount, kg/h；Dzy- personal quantity of steam kg/h.
The preferred embodiment of the present invention described in detail above, it will be appreciated that the ordinary skill of this area is without the need for wound
The property made work just can make many modifications and variations with design of the invention.Therefore, all technical staff in the art
Pass through logic analysis, reasoning in prior art basis or according to the limited available technology of experiment according to present inventive concept
Scheme, should be among the protection domain determined by the claims.
Claims (10)
1. a kind of industrial steam boiler efficiency test device based on positive balance, it is characterised in that：It is described solid including fixed pedestal
Determine to be installed with steam measurement system, boiler feed water measuring system, fuel metering analysis system and control and data on pedestal
Processing system, the steam measurement system, boiler feed water measuring system, fuel metering analysis system with it is described control with data at
Reason system electrical connection；Minimum one group of heat exchanger, condensate tank, steam inlet and cooling water are additionally provided with the fixed pedestal
Import, the steam inlet is connected with the hot fluid tube inlet of the heat exchanger, the cooling water inlet and the heat exchanger
Cold fluid hose entrance connects, and the outlet of hot fluid pipe and cold fluid hose outlet of the heat exchanger are all connected with the condensate tank,
Outlet is provided with the condensate tank.
2. a kind of industrial steam boiler efficiency test device based on positive balance as claimed in claim 1, it is characterised in that：Institute
State heat exchanger and arrange four groups on fixed pedestal, the hot fluid pipe of the heat exchanger by magnetic valve by four heat exchangers according to
Secondary minimum two concatenations or single connection；The cold fluid hose of the heat exchanger by magnetic valve by four heat exchangers successively
Minimum two concatenations or single connection.
3. a kind of industrial steam boiler efficiency test device based on positive balance as claimed in claim 1, it is characterised in that：Institute
State control includes computer, communication network and printer with data handling system.
4. a kind of industrial steam boiler efficiency test device based on positive balance as claimed in claim 1, it is characterised in that：Institute
Heat exchanger is stated for plate type heat exchanger.
5. a kind of industrial steam boiler efficiency test device based on positive balance as claimed in claim 1, it is characterised in that：Institute
Stating steam measurement system includes being arranged on steam-flow meter, vapor (steam) temperature table, the steam wetness measurement device of the steam inlet
And steam pressure gauge.
6. a kind of industrial steam boiler efficiency test device based on positive balance as claimed in claim 1, it is characterised in that：Institute
Stating boiler feed water measuring system is included for the water-thermometer and flowmeter at boiler water pipe to be measured.
7. a kind of industrial steam boiler efficiency test device based on positive balance as claimed in claim 1, it is characterised in that：Institute
Stating fuel metering analysis system is included for the fuel oil temperature table and fuel flowmeter at boiler inflow pipeline to be measured.
8. a kind of industrial steam boiler efficiency test device based on positive balance as claimed in claim 1, it is characterised in that：Institute
State what condensate tank was fabricated to by stainless steel.
9. a kind of industrial steam boiler efficiency test device based on positive balance as claimed in claim 1, it is characterised in that：Institute
State what fixed pedestal was fabricated to by stainless steel.
10. a kind of industrial steam boiler Efficiency test method based on positive balance, it is characterised in that：Based on the claims 1-
A kind of 9 arbitrary described industrial steam boiler efficiency test devices based on positive balance, perform following steps：
S1. first cooling water inlet connected into cooling water source, steam inlet connects the steam (vapor) outlet of tested boiler, boiler feed water measurement
System connects at boiler water pipe to be measured, and fuel metering analysis system connects at boiler inflow pipeline to be measured；
S2. boiler is entered after steady running condition, proceeds by test job：It is defeated that steam measurement system measures in real time boiler to be measured
Steam flow, humidity, the temperature and pressure for going out；Boiler feed water measuring system measures in real time the flow of inlet water and temperature of boiler to be measured
Degree；Fuel measurement analysis system measures in real time the fuel oil temperature and flow of boiler to be measured；Steam measurement system, boiler feed water measurement
System and fuel measurement analysis system survey data and process data transfer with data handling system to control.
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| CN201610861648.7A CN106644538A (en) | 2016-09-27 | 2016-09-27 | Industrial oil-fired steam boiler efficiency test device and method based on positive balance |
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| CN101697179A (en) * | 2009-11-05 | 2010-04-21 | 东南大学 | Method for measuring and calculating trend of heat value of fuel coal of power station boiler based on positive and negative heat balance relationship |
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| CN206292060U (en) * | 2016-09-27 | 2017-06-30 | 广东省特种设备检测研究院顺德检测院 | A kind of industrial fuel oil steam boiler efficiency test device based on positive balance |
-
2016
- 2016-09-27 CN CN201610861648.7A patent/CN106644538A/en active Pending
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| CN101697179A (en) * | 2009-11-05 | 2010-04-21 | 东南大学 | Method for measuring and calculating trend of heat value of fuel coal of power station boiler based on positive and negative heat balance relationship |
| 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 |
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Application publication date: 20170510 |