CN108592396A - Heat storage boiler constant temperature constant exhaust apparatus and its outlet air method - Google Patents
Heat storage boiler constant temperature constant exhaust apparatus and its outlet air method Download PDFInfo
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- CN108592396A CN108592396A CN201810367059.2A CN201810367059A CN108592396A CN 108592396 A CN108592396 A CN 108592396A CN 201810367059 A CN201810367059 A CN 201810367059A CN 108592396 A CN108592396 A CN 108592396A
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- main road
- heat storage
- air
- bypass line
- regulating valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/14—Arrangements for connecting different sections, e.g. in water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention discloses a kind of heat storage boiler constant temperature constant exhaust apparatus and its outlet air methods, the outlet air method of heat storage boiler constant temperature constant utilizes heat storage boiler constant temperature constant exhaust apparatus, heat storage boiler constant temperature constant exhaust apparatus includes heat storage, main road pipeline, bypass line, wind turbine, the first regulating valve and the second regulating valve, and outlet air method includes the following steps：Measure the leaving air temp t at the air outlet of heat storage in main road pipelineair,o；According to leaving air temp tair,oCalculate the resistance coefficient of the first regulating valveWith the resistance coefficient of the second regulating valveExternal control system is according to the resistance coefficient of the first regulating valveWith the resistance coefficient of the second regulating valveTo adjust the aperture of the first regulating valve and the second regulating valve respectively.The present invention adjusts the aperture of the first regulating valve and the second regulating valve by the variation of leaving air temp, ensure that the constant output of heat.Meanwhile effectively preventing damage to equipment.
Description
Technical field
The present invention relates to a kind of heat storage boiler constant temperature constant exhaust apparatus and its outlet air methods.
Background technology
Thermal energy storage technology is used to solve the contradiction of thermal energy supply and demand mismatch, is utilization ratio and the guarantor for improving the energy
The important technology in retaining ring border.Solid electric heat storage formula boiler heats solid electric heat accumulator in the low power consumption period, by resistive element
To store sensible heat；It is needing largely to use hot peak times of power consumption, to solid electric heat accumulator and heat is taken away by wind turbine conveying air,
Heat user is transferred heat to by air/water heat exchanger or directly output hot wind.
During heat release, exporting the temperature of hot wind can reduce heat storage boiler with the reduction of heat storage internal temperature,
What outlet air side apparatus such as heat exchanger isoperimetric that renewed works under this alternating temperature operating mode, is all generated to service life of equipment centainly
It influences.The variation of air quantity will cause output power unstable, to increase user terminal Operating Complexity, and cannot be satisfied needs
The commercial Application of firm power operation.
Invention content
The technical problem to be solved by the present invention is in order to overcome existing heat storage boiler to export hot wind in alternating temperature, output power is not
Stablize, the defects of certain influence is generated to service life, a kind of heat storage boiler constant temperature constant exhaust apparatus and its outlet air are provided
Method.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of heat storage boiler constant temperature constant exhaust apparatus, feature are comprising heat storage, main road pipeline, bypass duct
Road, wind turbine, the first regulating valve, the second regulating valve and the first temperature sensor, the heat storage are arranged on the main road pipeline
And be connected with the main road pipeline, the import of the main road pipeline and the import of the bypass line are all connected to the wind
The outlet of machine, the bypass line is connected to the main road pipeline, and the inlet and outlet of the bypass line is located at institute
The both sides of heat storage are stated, first regulating valve is connected to the main road pipeline and the aperture for adjusting the main road pipeline,
Second regulating valve is connected to the bypass line and the aperture for adjusting the bypass line, first temperature sensing
Device is connected to the main road pipeline and at the air outlet of the heat storage, and first temperature sensor is electrically connected to outside
The control system in portion；
The external control system is used to receive the real time temperature that first temperature sensor detects and corresponds to it
Internal setting value, to control the aperture regulation of first regulating valve and second regulating valve respectively.
In the present solution, form, the first temperature sensor are capable of detecting when heat storage air be discharged using the above structure
Leaving air temp, the aperture of the first regulating valve and the second regulating valve is adjusted by the variation of leaving air temp, to realizing constant temperature
Constant outlet air ensure that the constant output of heat, solve for a long time can only alternating temperature output hot wind and output power it is unstable
Etc. technical problems.Meanwhile during discharging heat, without the parameter regulation to wind turbine, and the stabilization of output power is ensured
Property and the rear end equipments Service Environment such as improve heat exchanger, effectively prevent the damage to equipment.
Preferably, first regulating valve and second regulating valve are adjustable valve or wind shield.
Preferably, the heat storage boiler constant temperature constant exhaust apparatus further includes the component that keeps out the wind, the component connection of keeping out the wind
In on the main road pipeline and for controlling the open-minded of the main road pipeline, and the component that keeps out the wind is located at going out for the heat storage
The rear end in air port.
In the present solution, form using the above structure, by the switch for the component controls main road pipeline that keeps out the wind, and can be effective
Avoid heat outflow of heat storage during thermal storage and energy accumulation.
Preferably, the heat storage boiler constant temperature constant exhaust apparatus further includes having first flowmeter, the first flowmeter
It is connected to the main road pipeline；
And/or the heat storage boiler constant temperature constant exhaust apparatus further includes having second flowmeter, the second flowmeter connects
It is connected to the bypass line.
In the present solution, form using the above structure, by first flowmeter personnel easy to operation to empty in main road pipeline
The detection of gas velocity improves the security and stability of heat storage boiler constant temperature constant exhaust apparatus.
In addition, the detection by second flowmeter personnel easy to operation to air velocity in bypass line, improves accumulation of heat
The security and stability of boiler constant temperature constant exhaust apparatus.
Preferably, the heat storage boiler constant temperature constant exhaust apparatus further includes having second temperature sensor, second temperature
Degree sensor is connected to the import of the main road pipeline or the bypass line；
And/or the heat storage boiler constant temperature constant exhaust apparatus further includes having third temperature sensor, the third temperature
Sensor is connected to the outlet of the main road pipeline and positioned at the end of bypass line outlet.
In the present solution, form using the above structure, by second temperature sensor personnel easy to operation to main road pipeline
Or the detection of the inlet temperature of bypass line, improve the security and stability of heat storage boiler constant temperature constant exhaust apparatus.
In addition, finally being mixed with air in bypass line to main road pipeline by second temperature sensor personnel easy to operation
Mixing air temperature later improves the security and stability of heat storage boiler constant temperature constant exhaust apparatus.
A kind of outlet air method of heat storage boiler constant temperature constant, feature are, utilize heat storage boiler constant temperature constant outlet air
Device, the heat storage boiler constant temperature constant exhaust apparatus include heat storage, main road pipeline, bypass line, wind turbine, the first regulating valve
With the second regulating valve, the heat storage is arranged on the main road pipeline and is connected with the main road pipeline, the main road pipe
The import in road and the import of the bypass line are all connected to the wind turbine, and the outlet of the bypass line is connected to the main road
Pipeline, and the inlet and outlet of the bypass line is located at the both sides of the heat storage, first regulating valve is connected to
The main road pipeline and the aperture for being used to adjust the main road pipeline, second regulating valve are connected to the bypass line and are used in combination
In the aperture for adjusting the bypass line, the outlet air method includes the following steps：
S1, the leaving air temp t at the air outlet of the heat storage in the main road pipeline is measuredair,o；
S2, according to the leaving air temp tair,oCalculate the resistance coefficient of first regulating valveIt is adjusted with described second
Save the resistance coefficient of valve
S3, external control system are according to the resistance coefficient of first regulating valveWith the resistance of second regulating valve
Force coefficientTo adjust the aperture of first regulating valve and second regulating valve respectively.
In the present solution, form using the above structure, in the present solution, form using the above structure, is stored by detecting
The leaving air temp of hot body air be discharged adjusts opening for the first regulating valve and the second regulating valve with the variation of leaving air temp
Degree, to realize constant temperature constant outlet air, ensure that the constant output of heat, solve for a long time can only alternating temperature output hot wind and
The technical problems such as output power is unstable.Meanwhile during discharging heat, without the parameter regulation to wind turbine, and ensure
The stability of output power and the rear end equipments Service Environment such as improve heat exchanger, effectively prevent the damage to equipment.
Preferably, including in the step S2：
Step S2.1, according to the leaving air temp tair,oCalculate separately out the main road air quantity G of the main road pipelineMain roadAnd institute
State the branch air quantity G of bypass lineBranch；
Step S2.2, according to the main road air quantity G of the main road pipelineMain roadWith the branch air quantity G of the bypass lineBranchRespectively
Calculate the main road flow u of the main road pipelineIt is mainWith the bypass flow u of the bypass lineBranch；
Step S2.3, according to the main road flow u of the main road pipelineIt is mainWith the bypass flow u of the bypass lineBranchIt calculates
The resistance coefficient of first regulating valveWith the resistance coefficient of second regulating valve
Preferably, in the step S2.1：
In the step S2.3：
PMain road=PBranch=△ P
Wherein, Q is the heat release power of the heat storage, toutFor the air in the main road pipeline and the bypass line
The mixing air temperature being discharged after final mixing, tair,iFor in the entrance of the main road pipeline or the entrance of the bypass line
The inlet temperature of air, CP main roadsFor the main road air specific heat capacity in the main road pipeline, CP branchesFor the branch in the bypass line
Air specific heat capacity, △ P are the crushing of the wind turbine, PMain roadFor the main road crushing of the main road pipeline, PBranchFor the bypass line
Branch crushing, λIt is mainFor supervisor's friction coefficient of the main road pipeline, λBranchFor the branch pipe friction coefficient of the bypass line, lIt is mainFor
Supervisor's length of the main road pipeline, dIt is mainFor the predominant tube diameter of the main road pipeline, lBranchFor the branch length of tube of the bypass line,
dBranchFor the branch pipe diameter of the bypass line, λIt storesFor the duct friction coefficient in the heat storage, lIt storesFor in the heat storage
Air duct length, dIt storesFor the air duct equivalent diameter in the heat storage,For the main road coefficient of partial resistance of the main road pipeline,For the branch coefficient of partial resistance of the bypass line.
Preferably, in the step S2.1, the entrance in the main road pipeline or the bypass line are measured
The inlet temperature t of entranceair,i, measure in the exit of the main road pipeline and positioned at the end of bypass line outlet
The mixing air temperature t at endout。
Preferably, in the step S2.2, the main road flow u of the main road pipeline is measuredIt is main, measure the branch
The bypass flow u of pipelineBranch。
On the basis of common knowledge of the art, above-mentioned each optimum condition can be combined arbitrarily to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that：
The heat storage boiler constant temperature constant exhaust apparatus and its outlet air method of the present invention, is adjusted by the variation of leaving air temp
The aperture of first regulating valve and the second regulating valve ensure that the constant output of heat to realize constant temperature constant outlet air.Meanwhile
Effectively prevent the damage to equipment.
Description of the drawings
Fig. 1 is the structural schematic diagram of the heat storage boiler constant temperature constant exhaust apparatus of the embodiment of the present invention.
Fig. 2 is the flow chart of the outlet air method of the heat storage boiler constant temperature constant of the embodiment of the present invention.
Fig. 3 is the leaving air temp and air of the heat storage of the outlet air method of the heat storage boiler constant temperature constant of the embodiment of the present invention
The coordinate diagram of flow.
Fig. 4 is the main road pipeline flow ratio and first of the outlet air method of the heat storage boiler constant temperature constant of the embodiment of the present invention
The resistance coefficient of regulating valve, the second regulating valve resistance coefficient coordinate diagram.
Reference sign：
Heat storage 1
Main road pipeline 2
Bypass line 3
Wind turbine 4
First regulating valve 5
Second regulating valve 6
First temperature sensor 7
Keep out the wind component 8
Second temperature sensor 9
Third temperature sensor 10
First flowmeter 11
Second flowmeter 12
Specific implementation mode
Below by embodiment mode and completely illustrate the present invention in conjunction with attached drawing to become apparent from, but therefore will this
Among the scope of embodiments that invention is limited in.
As shown in Figure 1, the heat storage boiler constant temperature constant exhaust apparatus of the embodiment of the present invention includes heat storage 1, main road pipeline
2, bypass line 3, wind turbine 4, the first regulating valve 5, the second regulating valve 6 and the first temperature sensor 7, heat storage 1 are arranged in main road
It is connected on pipeline 2 and with main road pipeline 2, the import of main road pipeline 2 and the import of bypass line 3 are all connected to wind turbine 4, branch
The outlet of pipeline 3 is connected to main road pipeline 2, and the inlet and outlet of bypass line 3 is located at the both sides of heat storage 1.It is external
Air entered in heat storage boiler constant temperature constant exhaust apparatus by the import of wind turbine 4, partial air will enter to main road
In pipeline 2, which will pass through the heat storage 1 on main road pipeline 2 so that partial air absorbs the heat in heat storage 1
It measures and is brought rapidly up, the outlet port of bypass line 3 is discharged and passed through eventually by the air outlet of heat storage 1；Remaining air will
It can enter in bypass line 3, be discharged eventually by the outlet of bypass line 3, mixed with the partial air after heat temperature raising, it is real
Discharge main road pipeline 2 after the final mixing of existing cold air and hot-air.
First regulating valve 5 is connected to main road pipeline 2 and the aperture for adjusting main road pipeline 2, the second regulating valve 6 are connected to
Bypass line 3 and the aperture for being used to adjust bypass line 3, the first temperature sensor 7 are connected to main road pipeline 2 and are located at heat storage
At 1 air outlet, the first temperature sensor 7 is for detecting the hot air temperature being discharged from the air outlet of heat storage 1, and the first temperature
Degree sensor 7 is electrically connected to external control system.External control system is for receiving what the first temperature sensor 7 detected
Real time temperature simultaneously its corresponding internal setting value, to control the aperture tune of the first regulating valve 5 and the second regulating valve 6 respectively
Section.First temperature sensor 7 is capable of detecting when the leaving air temp of 1 air be discharged of heat storage, the air of the discharge also not with branch
Air mixing in road pipeline 3, the real time temperature detected according to the first temperature sensor 7 can calculate separately out main road pipeline
2 and bypass line 3 flow velocity, the resistance of the resistance coefficient and the second regulating valve 6 of the first regulating valve 5 can be calculated separately out later
Force coefficient, by the resistance coefficient of the first regulating valve 5 and the resistance coefficient of the second regulating valve 6 to adjust the first regulating valve 5
It ensure that heat storage boiler constant temperature constant exhaust apparatus is discharged with the aperture of the second regulating valve 6 to realize constant temperature constant outlet air
The heat constant output of air, solving for a long time can only alternating temperature output hot wind and the technical problem such as output power is unstable.
Meanwhile during discharge air discharged heat, without the parameter regulation to wind turbine 4, and ensureing the stabilization of output power
Property and the rear end equipments Service Environment such as improve heat exchanger, effectively prevent the damage to equipment.
Heat storage boiler constant temperature constant exhaust apparatus during discharging heat, air by heat storage 1 and heat temperature raising,
To export the heat in heat storage 1 to external heating, and quantity of heat given up is constant, greatly reduces the complexity of user terminal operation
Property, and meet the commercial Application for needing firm power to run.It is of course also possible to after heat exchanger exchanges heat, recycled into wind turbine 4
It utilizes.Heat storage boiler constant temperature constant exhaust apparatus is in heat-accumulating process, and leakage occurs for the heat in heat storage 1 existing in order to prevent
As.Heat storage boiler constant temperature constant exhaust apparatus can also include the component 8 that keeps out the wind, and the component 8 that keeps out the wind is connected on main road pipeline 2 simultaneously
For controlling the open-minded of main road pipeline 2, and the component 8 that keeps out the wind is located at the rear end of the air outlet of heat storage 1.Heat storage boiler constant temperature constant
Heat storage 1 is controlled the closing of main road pipeline 2 by the component 8 that keeps out the wind, can effectively kept away during thermal storage and energy accumulation in exhaust apparatus
Exempt from heat outflow of the heat storage 1 during thermal storage and energy accumulation.Preferably, the component 8 that keeps out the wind is located at the air outlet of heat storage 1.Its
In, the component 8 that keeps out the wind can be adjustable valve or wind shield, and the first regulating valve 5 and the second regulating valve 6 may be
Adjustable valve or wind shield.
Heat storage boiler constant temperature constant exhaust apparatus can also include first flowmeter 11, and first flowmeter 11 is connected to master
Road pipeline 2.Detection by 11 personnel easy to operation of first flowmeter to air velocity in main road pipeline 2, improves heat accumulating pan
The security and stability of stove constant temperature constant exhaust apparatus.
Heat storage boiler constant temperature constant exhaust apparatus can also include second flowmeter 12, and second flowmeter 12 is connected to branch
Road pipeline 3.Detection by 12 personnel easy to operation of second flowmeter to air velocity in bypass line 3, improves heat accumulating pan
The security and stability of stove constant temperature constant exhaust apparatus.
Heat storage boiler constant temperature constant exhaust apparatus can also include second temperature sensor 9, and second temperature sensor 9 connects
It is connected to import or the bypass line 3 of main road pipeline 2.By 9 personnel easy to operation of second temperature sensor to main road pipeline 2 or
The detection of the inlet temperature of person's bypass line 3 improves the security and stability of heat storage boiler constant temperature constant exhaust apparatus.
Heat storage boiler constant temperature constant exhaust apparatus can also include third temperature sensor 10, third temperature sensor 10
It is connected to the outlet of main road pipeline 2 and positioned at the rear end of the outlet of bypass line 3.It is easy to operation by third temperature sensor 10
Personnel main road pipeline 2 is finally mixed with air in bypass line 3 after mixing air temperature, improve heat storage boiler constant temperature
The security and stability of constant exhaust apparatus.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the outlet air method of the heat storage boiler constant temperature constant of the embodiment of the present invention utilizes storage
Heat boiler constant temperature constant exhaust apparatus realizes, the heat storage boiler constant temperature constant exhaust apparatus include heat storage 1, main road pipeline 2,
Bypass line 3, wind turbine 4, the first regulating valve 5 and the second regulating valve 6, heat storage 1 be arranged on main road pipeline 2 and with main road pipeline
2 are connected, and the import of main road pipeline 2 and the import of bypass line 3 are all connected to wind turbine 4, and the outlet of bypass line 3 is connected to master
Road pipeline 2, and the inlet and outlet of bypass line 3 is located at the both sides of heat storage 1, the first regulating valve 5 is connected to main road pipe
Road 2 and the aperture for being used to adjust main road pipeline 2, the second regulating valve 6 are connected to bypass line 3 and for adjusting bypass line 3
Aperture.
The outlet air method of the heat storage boiler constant temperature constant of the embodiment of the present invention includes the following steps：
Step 101 measures the leaving air temp t at the air outlet of heat storage 1 in main road pipeline 2air,o。
In this step, air is heating by heat storage 1 and is heating up into hot-air, measures the temperature of the hot-air just
For leaving air temp tair,o, instantaneous leaving air temp t after the completion of 1 heat release of heat storageair,o.The first temperature sensor 7 can be passed through
It acquires, can also pass through the leaving air temp t for 1 air outlet of heat storage that thermocouple measuresair,o。
Step 102, according to leaving air temp tair,oCalculate the resistance coefficient of the first regulating valve 5With the second regulating valve 6
Resistance coefficient
In a step 102, pass through leaving air temp tair,oThe flow between main road pipeline 2 and bypass line 3 can be calculated
Ratio can calculate the resistance coefficient of the first regulating valve 5 laterWith the resistance coefficient of the second regulating valve 6Tool
Steps are as follows for body calculating：
Step S2.1, according to leaving air temp tair,oCalculate separately out the main road air quantity G of main road pipeline 2Main roadWith bypass line 3
Branch air quantity GBranch。
In step S2.1, can be with calculation formula：
Wherein, toutThe mixing air temperature being discharged after finally being mixed with the air in bypass line 3 for main road pipeline 2,
tair,iFor the inlet temperature of air in the entrance of main road pipeline 2 or the entrance of bypass line 3, CP main roadsFor in main road pipeline 2
Main road air specific heat capacity, CP branchesFor the branch air specific heat capacity in bypass line 3.
Mixing air temperature toutIt is exactly the air themperature that heat storage boiler constant temperature constant exhaust apparatus is finally discharged, the mixing
Air themperature toutIt is to determine value；Inlet temperature tair,iIn two kinds of situation, the first situation is exactly the air themperature of external environment,
Do not pass through heat exchanger, inlet temperature tair,iThen it is to determine that value, another situation reuse later by heat exchanger
Air themperature, can or thermometer certain by heat exchanger power be calculated.Main road air specific heat capacity CP main roadsAnd branch
Road air specific heat capacity CP branchesNumerical value can change with the variation of air themperature, heat storage boiler constant temperature constant exhaust apparatus
The numerical value of different air themperatures can be measured before the use.
Certainly, in step S2.1, the entrance of the entrance or bypass line 3 in main road pipeline 2 can also be measured
Inlet temperature tair,i, measure in the exit of main road pipeline 2 and positioned at the mixing air temperature for the end that bypass line 3 exports
Spend tout.By measuring inlet temperature tair,iWith mixing air temperature toutThe detection of personnel easy to operation, ensure that heat accumulating pan
The outlet air method of stove constant temperature constant realizes the outlet air of constant temperature constant.
Since heat storage boiler constant temperature constant exhaust apparatus can realize constant temperature constant outlet air, in setting 1 heat release of heat storage
In the case that power is certain, the main road air quantity G of main road pipeline 2 can also be calculated by following formulaMain roadWith bypass line 3
Branch air quantity GBranchConcrete numerical value：
Wherein, Q is the heat release power of heat storage 1.
Step S2.2, according to the main road air quantity G of main road pipeline 2Main roadWith the branch air quantity G of bypass line 3BranchIt calculates separately out
The main road flow u of main road pipeline 2It is mainWith the bypass flow u of bypass line 3Branch。
In step S2.2, since main road pipeline 2 and the cross-sectional area of bypass line 3 can be measured before the use
Come, that is, value is to determine, so as to measure the main road flow u for calculating separately out main road pipeline 2It is mainWith the branch stream of bypass line 3
Measure uBranch。
Certainly, in step S2.2, the main road flow u of main road pipeline 2 can also be measuredIt is main, measure bypass line 3
Bypass flow uBranch.By measuring main road flow uIt is mainWith bypass flow uBranchDetection of the personnel easy to operation to bypass line 3 is protected
The outlet air method for having demonstrate,proved heat storage boiler constant temperature constant realizes the outlet air of constant temperature constant.
Step S2.3, according to the main road flow u of main road pipeline 2It is mainWith the bypass flow u of bypass line 3BranchCalculate the first tune
Save the resistance coefficient of valve 5With the resistance coefficient of the second regulating valve 6
In step S2.3, heat storage boiler constant temperature constant exhaust apparatus during air discharged heat is discharged,
The parameter of wind turbine 4 is certain, and the crushing △ P of wind turbine 4 are also certain, due to being parallel transistor between main road pipeline 2 and bypass line 3
The pressure loss of road, main road pipeline 2 and bypass line 3 is also identical.
PMain road=PBranch=△ P
Wherein, △ P are the crushing of wind turbine 4, PMain roadFor the main road crushing of main road pipeline 2, PBranchFor the branch pressure of bypass line 3
Damage, so as to obtain PMain roadAnd PBranchNumerical value.
The local losses and the master except the first regulating valve 5 that the pressure loss of main road pipeline 2 includes the first regulating valve 5
Pipe pressure loses, the pressure loss of bypass line 3 equally include the second regulating valve 6 local losses and the second regulating valve 6 it
The outer branch pipe pressure loss can be with following calculation formula：
Wherein, λIt is mainFor supervisor's friction coefficient of main road pipeline 2, λBranchFor the branch pipe friction coefficient of bypass line 3, lIt is mainFor main road
Supervisor's length of pipeline 2, dIt is mainFor the predominant tube diameter of main road pipeline 2, lBranchFor the branch length of tube of bypass line 3, dBranchFor bypass line 3
Branch pipe diameter, λIt storesFor the duct friction coefficient in heat storage 1, lIt storesFor the air duct length in heat storage 1, dIt storesFor in heat storage 1
Air duct equivalent diameter,For the main road coefficient of partial resistance of main road pipeline 2,For the branch local resistance of bypass line 3
Coefficient.
It is responsible for length lIt is main, predominant tube diameter dIt is main, branch length of tube lBranch, branch pipe diameter dBranch, air duct length lIt stores, air duct equivalent diameter
dIt stores, main road coefficient of partial resistanceWith branch coefficient of partial resistanceIt can make in heat storage boiler constant temperature constant exhaust apparatus
With measuring before, i.e., these numerical value are all to determine value.It is responsible for friction coefficient λIt is main, branch pipe friction coefficient λBranchAnd duct friction
Coefficient lambdaIt storesNumerical value can change with the variation of air velocity, heat storage boiler constant temperature constant exhaust apparatus can use
The numerical value of different air velocitys is measured before.By above-mentioned calculation formula so as to acquiring the resistance of the first regulating valve 5 respectively
Force coefficientWith the resistance coefficient of the second regulating valve 6
The heat storage 1 of the heat storage boiler constant temperature constant exhaust apparatus of the embodiment of the present invention is a regenerative capacity 30.4kwh
Solid heat storage boiler, using magnesium iron gitter brick, wind turbine 4 is located at the cold wind side of heat storage 1, and bypass line 3 is located at heat storage 1
Lower space, air at room temperature enter heat storage 1 and bypass line 3 through wind turbine 4.Heat storage 1 in heat release, the hot-air of discharge with
After the air at room temperature mixing of bypass line 3, the outlet discharge through main road pipeline 2.The heat release power Q of heat storage 1 is 3800w,
During heat release, the leaving air temp t of heat storage 1air,oIt constantly reduces, the main road air quantity G of main road pipeline 2Main roadIncrease, keeps total wind
Measure constant, the bypass flow u of bypass line 3BranchNeed to constantly it reduce, concrete condition is as shown in Figure 3.In heat storage boiler constant temperature constant
Gross pressure is set in exhaust apparatus as 300pa, maintains the parameter constant of wind turbine 4, heat storage 1 is during heat release, main road pipeline 2
Under different flow, it may be determined that the resistance coefficient of the first regulating valve 5With the resistance coefficient of the second regulating valve 6Tool
Body situation is as shown in Figure 4.
Step 103, external control system are according to the resistance coefficient of the first regulating valve 5With the resistance of the second regulating valve 6
Force coefficientTo adjust the aperture of the first regulating valve 5 and the second regulating valve 6 respectively.
In this step, external control system is used to receive the resistance coefficient of the first regulating valve 5It is adjusted with second
The resistance coefficient of valve 6Institute's feedback signal simultaneously carries out corresponding comparison with its internal setting value, to send out command signal
Control the aperture regulation of the first regulating valve 5 and the second regulating valve 6.
The outlet air method of the heat storage boiler constant temperature constant of the embodiment of the present invention is by detecting 1 air be discharged of heat storage
Leaving air temp adjusts the aperture of the first regulating valve 5 and the second regulating valve 6, to realize constant temperature with the variation of leaving air temp
Constant outlet air ensure that the constant output of heat, solve for a long time can only alternating temperature output hot wind and output power it is unstable
Etc. technical problems.Meanwhile during discharging heat, without the parameter regulation to wind turbine 4, and the stabilization of output power is ensured
Property and the rear end equipments Service Environment such as improve heat exchanger, effectively prevent the damage to equipment.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (10)
1. a kind of heat storage boiler constant temperature constant exhaust apparatus, which is characterized in that it include heat storage, main road pipeline, bypass line,
Wind turbine, the first regulating valve, the second regulating valve and the first temperature sensor, the heat storage be arranged on the main road pipeline and with
The main road pipeline is connected, and the import of the main road pipeline and the import of the bypass line are all connected to the wind turbine, institute
The outlet for stating bypass line is connected to the main road pipeline, and the inlet and outlet of the bypass line is located at the accumulation of heat
The both sides of body, first regulating valve are connected to the main road pipeline and for adjusting the aperture of the main road pipeline, and described the
Two regulating valves are connected to the bypass line and the aperture for adjusting the bypass line, the first temperature sensor connection
In the main road pipeline and at the air outlet of the heat storage, and first temperature sensor is electrically connected to external control
System processed；
The external control system is used to receive the real time temperature that first temperature sensor detects and corresponds to inside it
Setting value, to control the aperture regulation of first regulating valve and second regulating valve respectively.
2. heat storage boiler constant temperature constant exhaust apparatus as described in claim 1, which is characterized in that first regulating valve and institute
It is adjustable valve or wind shield to state the second regulating valve.
3. heat storage boiler constant temperature constant exhaust apparatus as described in claim 1, which is characterized in that the heat storage boiler constant temperature is permanent
It further includes the component that keeps out the wind to measure wind apparatus, and the component that keeps out the wind is connected on the main road pipeline and for controlling the main road
Pipeline it is open-minded, and the component that keeps out the wind is located at the rear end of the air outlet of the heat storage.
4. heat storage boiler constant temperature constant exhaust apparatus as described in claim 1, which is characterized in that the heat storage boiler constant temperature is permanent
It further includes having first flowmeter to measure wind apparatus, and the first flowmeter is connected to the main road pipeline；
And/or the heat storage boiler constant temperature constant exhaust apparatus further includes having second flowmeter, the second flowmeter is connected to
The bypass line.
5. heat storage boiler constant temperature constant exhaust apparatus as described in claim 1, which is characterized in that the heat storage boiler constant temperature is permanent
It further includes having second temperature sensor to measure wind apparatus, the second temperature sensor be connected to the main road pipeline import or
Bypass line described in person；
And/or the heat storage boiler constant temperature constant exhaust apparatus further includes having third temperature sensor, the third temperature sensing
Device is connected to the outlet of the main road pipeline and positioned at the rear end of the outlet of the bypass line.
6. a kind of outlet air method of heat storage boiler constant temperature constant, which is characterized in that it is filled using heat storage boiler constant temperature constant outlet air
Set, the heat storage boiler constant temperature constant exhaust apparatus include heat storage, main road pipeline, bypass line, wind turbine, the first regulating valve and
Second regulating valve, the heat storage are arranged on the main road pipeline and are connected with the main road pipeline, the main road pipeline
Import and the import of the bypass line be all connected to the wind turbine, the outlet of the bypass line is connected to the main road pipe
Road, and the inlet and outlet of the bypass line is located at the both sides of the heat storage, first regulating valve is connected to institute
It states main road pipeline and the aperture for adjusting the main road pipeline, second regulating valve is connected to the bypass line and is used for
The aperture of the bypass line is adjusted, the outlet air method includes the following steps：
S1, the leaving air temp t at the air outlet of the heat storage in the main road pipeline is measuredair,o；
S2, according to the leaving air temp tair,oCalculate the resistance coefficient of first regulating valveWith second regulating valve
Resistance coefficient
S3, external control system are according to the resistance coefficient of first regulating valveWith the resistance system of second regulating valve
NumberTo adjust the aperture of first regulating valve and second regulating valve respectively.
7. the outlet air method of heat storage boiler constant temperature constant as claimed in claim 6, which is characterized in that wrapped in the step S2
It has included：
Step S2.1, according to the leaving air temp tair,oCalculate separately out the main road air quantity G of the main road pipelineMain roadWith the branch
The branch air quantity G of road pipelineBranch；
Step S2.2, according to the main road air quantity G of the main road pipelineMain roadWith the branch air quantity G of the bypass lineBranchIt calculates separately
Go out the main road flow u of the main road pipelineIt is mainWith the bypass flow u of the bypass lineBranch；
Step S2.3, according to the main road flow u of the main road pipelineIt is mainWith the bypass flow u of the bypass lineBranchIt calculates described
The resistance coefficient of first regulating valveWith the resistance coefficient of second regulating valve
8. the outlet air method of heat storage boiler constant temperature constant as claimed in claim 7, which is characterized in that
In the step S2.1：
In the step S2.3：
PMain road=PBranch=△ P
Wherein, Q is the heat release power of the heat storage, toutIt is final for the main road pipeline and the air in the bypass line
The mixing air temperature being discharged after mixing, tair,iFor air in the entrance of the main road pipeline or the entrance of the bypass line
Inlet temperature, CP main roadsFor the main road air specific heat capacity in the main road pipeline, CP branchesFor the branch air in the bypass line
Specific heat capacity, △ P are the crushing of the wind turbine, PMain roadFor the main road crushing of the main road pipeline, PBranchFor the branch of the bypass line
Road crushing, λIt is mainFor supervisor's friction coefficient of the main road pipeline, λBranchFor the branch pipe friction coefficient of the bypass line, lIt is mainIt is described
Supervisor's length of main road pipeline, dIt is mainFor the predominant tube diameter of the main road pipeline, lBranchFor the branch length of tube of the bypass line, dBranchFor
The branch pipe diameter of the bypass line, λIt storesFor the duct friction coefficient in the heat storage, lIt storesFor the air duct in the heat storage
Length, dIt storesFor the air duct equivalent diameter in the heat storage,For the main road coefficient of partial resistance of the main road pipeline,For
The branch coefficient of partial resistance of the bypass line.
9. the outlet air method of heat storage boiler constant temperature constant as claimed in claim 7, which is characterized in that in the step S2.1
In, measure the inlet temperature t in the entrance of the entrance or bypass line of the main road pipelineair,i, measure
In the exit of the main road pipeline and positioned at the mixing air temperature t for the end that the bypass line exportsout。
10. the outlet air method of heat storage boiler constant temperature constant as claimed in claim 7, which is characterized in that in the step S2.2
In, measure the main road flow u of the main road pipelineIt is main, measure the bypass flow u of the bypass lineBranch。
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| CN201810367059.2A CN108592396B (en) | 2018-04-23 | 2018-04-23 | Constant-temperature constant-volume air outlet device of heat storage boiler and air outlet method thereof |
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| CN113685841A (en) * | 2021-08-26 | 2021-11-23 | 中国科学院力学研究所 | Working medium supply system for wind tunnel experiment heat storage heater and construction method |
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| CN108592396B (en) | 2020-03-27 |
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