CN109974961A - Combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment and test method - Google Patents
Combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment and test method Download PDFInfo
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- CN109974961A CN109974961A CN201910045774.9A CN201910045774A CN109974961A CN 109974961 A CN109974961 A CN 109974961A CN 201910045774 A CN201910045774 A CN 201910045774A CN 109974961 A CN109974961 A CN 109974961A
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment and test methods, structure by open combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment is that lead screw is rotatably connected on lead screw bracket, and the output axis connection of one end and power device, other end connection bucket turbine head model, it is driven and is rotated by power device, guarantee the authenticity and accuracy of progress wind comfort, and it weighs respectively to the combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment and trier material heap of test front and back, generated emission quantity when combination bucket-wheel stacker reclaimer material extracting operation can accurately be calculated, the method of effectively assessment emission quantity is provided for bulk cargo port environmental protection.
Description
Technical field
The present invention relates to atmospheric dust pollutions to prevent and treat environmental technology field, more particularly to combination bucket-wheel stacker reclaimer
Emission quantity wind comfort model equipment and test method.
Background technique
Currently, China's atmospheric environment allows of no optimist, China's air environmental pollution yearbook is shown within 2000: atmosphere pollution at present
In most important pollutant be Particulate Pollution.And Particulate Pollution complicated component, source are numerous, ecological environment in recent years in addition
Continuous deterioration, becoming Particulate Pollution leads to the primary factor of China's majority urban air pollution.For example, China is in
Along the peak period that harbour coal, ore handling capacity increase, thus caused by dust emission and very severe the problem of diffusion pollution.
And be the basis for carrying out the prevention and treatment of harbour dust pollution to the estimation of harbour dust yield, but wind-force effect at present
Under outdoor stockpiling and operation dirt source uncontrollable discharge, distribution is numerous in the area Qie Gang, and process is complicated, and pollution variety is big, discharges
Source amount is difficult to estimate.And it is in dynamic job when due to combination bucket-wheel stacker reclaimer material extracting operation, causes dust particles in atmosphere
Middle movement has great randomness, so being in dynamic using conventional actual measurement or theoretic prediction methods analysis combination bucket-wheel stacker reclaimer
Generated emission quantity has biggish limitation when state operation.
Therefore, the bucket wheel type pile of produced emission quantity takes when how to provide a kind of simulation combination bucket-wheel stacker reclaimer material extracting operation
The problem of material machine emission quantity wind comfort model equipment and test method are those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, the present invention provides combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment and test sides
Method can simulate the dynamic job of combination bucket-wheel stacker reclaimer feeding, and carry out feeding dynamic job for combination bucket-wheel stacker reclaimer
When the emission quantity that generates provide more accurate calculation method.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment, including bucket wheel machine head model, lead screw branch
Frame, lead screw and power device, the lead screw is rotatably connected on the lead screw bracket, and the output of one end and the power device
Axis connection, the other end connect the bucket wheel machine head model, are driven and are rotated by the power device.
The present invention simplifies prototype bucket wheel head by the bucket wheel machine head model, is the lead screw by the lead screw bracket
Support is provided, the power device drives the lead screw to rotate relative to support frame as described above, so as to simulate bucket wheel head prototype
The dynamic process of rotation feeding is carried out, is that emission quantity calculating of the simulation bucket wheel head in the dynamic process for rotate feeding mentions
Necessary equipment is supplied；And the technical characteristic being connect using the lead screw with the lead screw holder pivots in the present invention is guaranteed
The bucket wheel machine head model that described lead screw one end is arranged in steadily advances according to test requirements document during the test.
Preferably, be provided with clump weight on the lead screw bracket, provide counterweight for the bucket wheel machine head model, ensure compared with
Under high wind speed, the stability of the combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment entirety.
Preferably, the diameter of the lead screw is not less than 1.2cm, guarantees that the lead screw can carry heavier load.
Preferably, screw thread is provided on the lead screw, and between screw initial thread section and the end face of the bucket wheel machine head model
Distance be not less than 1m, avoid the lead screw bracket and counterweight part to test generate interference.
Preferably, the screw thread siding-to-siding block length on the lead screw guarantees that model is advanced with test speed, meets test period and wants
It asks.
Preferably, the power device includes motor and electric machine support, and the motor is fixed on the electric machine support, and
Electrical connection of motor has PLC, by the angular speed of motor described in the model switch control on the PLC, so that the present invention can
The angular speed for flexibly controlling the motor guarantees that the motor is operated by the angular speed of test requirements document, is the motor control
The emission quantity calculating that the bucket wheel machine head model is carried out under different angular speed in reclaiming process is made to provide the foundation.
Preferably, the surrounding of the bucket wheel machine head model is evenly arranged with multiple bucket wheels, and each bucket wheel offers
Rectangular aperture, and each rectangular aperture depth is identical, improves the accuracy of this test result.
Preferably, the prototype bucket wheel head shape that the bucket wheel machine head model is simulated follows geometric similarity principle, and several
What likelihood ratio is λ, improves the authenticity and accuracy of this test result.
A kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment, comprising the following steps:
Step 1: cleaning wind turbine apparatus dust, avoids measurement from interfering；
Step 2: weighed and be deposited in wind-tunnel to the test material before test, the weight of material heap before testing
It is denoted as M1；
Step 3: preparing combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment, and to described in front of test
Combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment is weighed, by the combination bucket-wheel stacker reclaimer before test
The net weight of emission quantity wind comfort model equipment is denoted as M2；
Step 4: the combination bucket-wheel stacker reclaimer emission quantity wind comfort model dress in wind-tunnel before setting test
It sets, and will be in material heap before the bucket wheel machine head model insertion test；
Step 5: opening the wind tunnel fan to the test wind；
Step 6: opening the power device, the bucket wheel machine head model is driven to be turned by with prototype same angular velocity
It moves to simulate rotation material extracting operation, so that the bucket wheel machine head model is stirred feeding in material heap before the test, in agitation
In the process, part test material is dispelled by the wind tunnel fan and forms dust, so that material heap forms test before the test
Material heap afterwards stops the work of the wind tunnel fan after test meets default test period t；
Step 7: after the test respectively to the combination bucket-wheel stacker reclaimer emission quantity wind comfort mould after test
Material heap is weighed after type device and the test, by the combination bucket-wheel stacker reclaimer emission quantity wind tunnel simulation after test
The gross weight of material heap is denoted as M3 after pilot model apparatus and the test；
Step 8: computation model emission quantity Mm=M1+M2-M3；
Step 9: the total feeding amount Q of computation modelm=M1；
Step 10: by model prototype likelihood ratio λ, obtain in actual prototype under the operating condition combination bucket-wheel stacker reclaimer into
The emission quantity generated when row feeding dynamic job, calculation formula are as follows:
Wherein, λ is model dirt rate and prototype plays the ratio between dirt rate, while being the geometric similarity ratio of model and prototype；QmFor
The total feeding amount of model, MmEmission quantity, Q are calculated for modelpFor the total feeding amount of actual prototype, MpEmission quantity is calculated for actual prototype；η
=M/Q × 100%, physical significance are the percentage of the total feeding amount Q of emission quantity M Zhan；Subscript m indicates that model, subscript p indicate practical
Prototype；
Step 11: the moisture content of Adjustment Tests wind direction and wind speed and Adjustment Tests material, repeats step 1 to step
Ten, obtain emission quantity in actual prototype with wind speed, wind direction, moisture content factor changing rule.
The present invention pass through more than wind comfort method, generated for bucket wheel machine when rotating the dynamic job of feeding
Emission quantity provides more accurate calculation method, solves since Port development operation makes the movement of dust particles in an atmosphere
With larger randomness, and causes to be difficult to using conventional actual measurement or theoretical prediction analysis method accurately to calculate bucket wheel machine and be taken in rotation
When the dynamic job of material the technical issues of produced emission quantity.
Preferably, according to meteorological data wind speed and direction statistical data, the live moisture content situation, bucket wheel formula in actual prototype
The stacker-reclaimer emission quantity wind comfort model equipment activity duration, and combine the bucket of analog reslt assessment bulk cargo port
Wheeled stacker-reclaimer carries out the year emission quantity desired value of feeding dynamic job process.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides combination bucket-wheel stacker reclaimers
Following technical effect may be implemented in emission quantity wind comfort model equipment and test method:
1, the prototype bucket wheel head shape that bucket wheel machine head model of the invention is simulated follows geometric similarity principle, and geometry
The likelihood ratio is λ, thus the authenticity for calculating the present invention by model in wind tunnel and wind tunnel test methods with accurately
Property.
2, the present invention pass through more than wind comfort method, for bucket wheel machine rotate feeding dynamic job when generate
Emission quantity provide more accurate calculation method, solve since Port development operation makes the fortune of dust particles in an atmosphere
It is dynamic that there is larger randomness, and cause to be difficult to using conventional actual measurement or theoretical prediction analysis method accurately to calculate bucket wheel machine and rotate
When the dynamic job of feeding the technical issues of produced emission quantity.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is a kind of structure chart of combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment of the present invention；
Fig. 2 attached drawing is a kind of schematic diagram of combination bucket-wheel stacker reclaimer emission quantity wind comfort method of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment and test method, Neng Goumo
The dynamic job of quasi- combination bucket-wheel stacker reclaimer feeding, and risen for what combination bucket-wheel stacker reclaimer was generated when carrying out feeding dynamic job
Dust quantity provides more accurate calculation method.
A kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment, including bucket wheel machine head model 1, lead screw branch
Frame 4, lead screw 2 and power device 3, lead screw 2 are rotatably connected on lead screw bracket 4, and the output shaft of one end and power device 3 connects
It connects, other end connection bucket turbine head model 1, is driven and rotated by power device 3.
In order to further optimize the above technical scheme, clump weight 41 is provided on lead screw bracket 4.
In order to further optimize the above technical scheme, the diameter of lead screw 2 is not less than 1.2cm.
In order to further optimize the above technical scheme, screw thread, and screw initial thread section and bucket wheel head die are provided on lead screw 2
The distance between end face of type 1 is not less than 1m.
In order to further optimize the above technical scheme, power device 3 includes motor 31 and electric machine support 32, and motor 31 is fixed
On electric machine support 32, and motor 31 is electrically connected with PLC.
In order to further optimize the above technical scheme, the surrounding of bucket wheel machine head model 1 is evenly arranged with multiple bucket wheels 11, often
A bucket wheel 11 offers rectangular aperture 111, and 111 depth of each rectangular aperture is identical.
In order to further optimize the above technical scheme, the prototype bucket wheel head shape that bucket wheel machine head model 1 is simulated follows
Geometric similarity principle, and geometric similarity ratio is λ.
A kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort method, comprising the following steps:
Step 1: cleaning wind turbine apparatus dust, avoids measurement from interfering；
Step 2: weighed and be deposited in wind-tunnel to the test material before test, the weight of material heap before testing
It is denoted as M1；
Step 3: preparing combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment, and to the bucket wheel before test
Formula stacker-reclaimer emission quantity wind comfort model equipment is weighed, by the combination bucket-wheel stacker reclaimer emission quantity wind before test
The net weight of hole simulation test model equipment is denoted as M2；
Step 4: the combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment in wind-tunnel before setting test,
And before the insertion of bucket wheel machine head model 1 is tested in material heap；
Step 5: opening wind tunnel fan to the test wind；
Step 6: the device 3 that turns on the power, drives bucket wheel machine head model 1 to be rotated to mould by with prototype same angular velocity
Quasi- rotation material extracting operation makes bucket wheel machine head model 1 stir feeding in material heap before the test, and during agitation, part is tried
It tests material to be dispelled by wind tunnel fan and form dust, so that testing preceding material heap forms material heap after test, when test meets in advance
If after test period t, stopping the work of wind tunnel fan；
Step 7: being filled respectively to the combination bucket-wheel stacker reclaimer emission quantity wind comfort model after test after the test
Material heap is weighed after setting and testing, by the combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment after test
And the gross weight of material heap is denoted as M3 after test；
Step 8: computation model emission quantity Mm=M1+M2-M3；
Step 9: the total feeding amount Q of computation modelm=M1；
Step 10: by model prototype likelihood ratio λ, combination bucket-wheel stacker reclaimer feeding under the operating condition is obtained in actual prototype
Emission quantity in the process, calculation formula are as follows:
Wherein, λ is model dirt rate and prototype plays the ratio between dirt rate, while being the geometric similarity ratio of model and prototype；QmFor
The total feeding amount of model, MmEmission quantity, Q are calculated for modelpFor the total feeding amount of actual prototype, MpEmission quantity is calculated for actual prototype；η
=M/Q × 100%, physical significance are the percentage of the total feeding amount Q of emission quantity M Zhan；Subscript m indicates that model, subscript p indicate practical
Prototype；
Step 11: the moisture content of Adjustment Tests wind direction and wind speed and Adjustment Tests material, repeats step 1 to step
Ten, obtain emission quantity in actual prototype with wind speed, wind direction, moisture content factor changing rule.
In order to further optimize the above technical scheme, according in actual prototype meteorological data wind speed and direction statistical data,
Live moisture content situation, combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment activity duration, and combine simulation examination
The combination bucket-wheel stacker reclaimer for testing outcome evaluation bulk cargo port carries out the year emission quantity desired value of feeding dynamic job process.
Embodiment:
The embodiment of the invention discloses a kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort methods, including following step
It is rapid:
Step 1: cleaning wind turbine apparatus dust, avoids measurement from interfering；
Step 2: weighed and be deposited in wind-tunnel to the test material before test, the weight of material heap before testing
It is denoted as M1；
Step 3: preparing combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment, and to the bucket wheel before test
Formula stacker-reclaimer emission quantity wind comfort model equipment is weighed, by the combination bucket-wheel stacker reclaimer emission quantity wind before test
The net weight of hole simulation test model equipment is denoted as M2；
Step 4: the combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment in wind-tunnel before setting test,
And before the insertion of bucket wheel machine head model 1 is tested in material heap；
Step 5: opening wind tunnel fan to the test wind；
Step 6: the device 3 that turns on the power, drives bucket wheel machine head model 1 to be rotated to mould by with prototype same angular velocity
Quasi- rotation material extracting operation makes bucket wheel machine head model 1 stir feeding in material heap before the test, and during agitation, part is tried
It tests material to be dispelled by wind tunnel fan and form dust, so that testing preceding material heap forms material heap after test, when test meets in advance
If after test period t, stopping the work of wind tunnel fan；
Step 7: being filled respectively to the combination bucket-wheel stacker reclaimer emission quantity wind comfort model after test after the test
Material heap is weighed after setting and testing, by the combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment after test
And the gross weight of material heap is denoted as M3 after test；
Step 8: computation model emission quantity Mm=M1+M2-M3；
Step 9: the total feeding amount Q of computation modelm=M1；
Step 10: by model prototype likelihood ratio λ, obtain in actual prototype under the operating condition combination bucket-wheel stacker reclaimer into
The emission quantity generated when row feeding dynamic job, calculation formula are as follows:
Wherein, λ is model dirt rate and prototype plays the ratio between dirt rate, while being the geometric similarity ratio of model and prototype；QmFor
The total feeding amount of model, MmEmission quantity, Q are calculated for modelpFor the total feeding amount of actual prototype, MpEmission quantity is calculated for actual prototype；η
=M/Q × 100%, physical significance are the percentage of the total feeding amount Q of emission quantity M Zhan；Subscript m indicates that model, subscript p indicate practical
Prototype；
Step 11: the moisture content of Adjustment Tests wind direction and wind speed and Adjustment Tests material, repeats step 1 to step
Ten, obtain emission quantity in actual prototype with wind speed, wind direction, moisture content factor changing rule；
Step 12, according to meteorological data wind speed and direction statistical data, the live moisture content situation, bucket wheel in actual prototype
The formula stacker-reclaimer emission quantity wind comfort model equipment activity duration, and combine analog reslt assessment bulk cargo port
The year emission quantity desired value of combination bucket-wheel stacker reclaimer progress feeding dynamic job process.
A kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment of the present invention include bucket wheel machine head model 1,
Lead screw bracket 4, lead screw 2 and power device 3, lead screw 2 are rotatably connected on lead screw bracket 4, and are provided with counterweight on lead screw bracket 4
Block 41；The diameter of lead screw 2 is not less than 1.2cm, is provided with screw thread, and the end of screw initial thread section and bucket wheel machine head model 1 on lead screw 2
The distance between face is not less than 1m；The surrounding of bucket wheel machine head model 1 is evenly arranged with multiple bucket wheels 11, and each bucket wheel 11 opens up
There is rectangular aperture 111, and 111 depth of each rectangular aperture is identical；The prototype bucket wheel head shape that bucket wheel machine head model 1 is simulated
Geometric similarity principle is followed, and geometric similarity ratio is λ；
Power device 3 includes motor 31 and electric machine support 32, and motor 31 is fixed on electric machine support 32,2 one end of lead screw with
The output axis connection of motor 31, other end connection bucket turbine head model 1, motor 31 is electrically connected with PLC, passes through the mould on PLC
The angular speed of type switch control motor 31 guarantees that motor 31 is operated by the angular speed of test requirements document, for the control bucket of motor 31
1 model of turbine head carries out the calculating of the emission quantity in reclaiming process under different angular speed and provides the foundation.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment, which is characterized in that including bucket wheel head die
Type (1), lead screw bracket (4), lead screw (2) and power device (3), the lead screw (2) are rotatably connected on the lead screw bracket (4)
On, and the output axis connection of one end and the power device (3), the other end connect the bucket wheel machine head model (1), by described dynamic
Power device (3) driving rotation.
2. a kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment according to claim 1, feature
It is, is provided with clump weight (41) on the lead screw bracket (4).
3. a kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment according to claim 1, feature
It is, the diameter of the lead screw (2) is not less than 1.2cm.
4. a kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment according to claim 1, feature
Be, screw thread be provided on the lead screw (2), and between screw initial thread section and the end face of the bucket wheel machine head model (1) away from
From not less than 1m.
5. a kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment according to claim 1, feature
It is, the power device (3) includes motor (31) and electric machine support (32), and the motor (31) is fixed on the electric machine support
(32) on, and the motor (31) is electrically connected with PLC.
6. a kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment according to claim 1, feature
It is, the surrounding of the bucket wheel machine head model (1) is evenly arranged with multiple bucket wheels (11), and each bucket wheel (11) offers
Rectangular aperture (111), and each rectangular aperture (111) depth is identical.
7. a kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment according to claim 1, feature
It is, the prototype bucket wheel head shape that the bucket wheel machine head model (1) is simulated follows geometric similarity principle, and geometric similarity ratio
For λ.
8. a kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort method, which comprises the following steps:
Step 1: cleaning wind turbine apparatus dust, avoids measurement from interfering；
Step 2: being weighed and being deposited in wind-tunnel to the test material before test, the weight of material heap is denoted as before testing
M1；
Step 3: preparing combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment, and to the bucket wheel before test
Formula stacker-reclaimer emission quantity wind comfort model equipment is weighed, and the combination bucket-wheel stacker reclaimer before test is played dirt
The net weight of amount wind comfort model equipment is denoted as M2；
Step 4: the combination bucket-wheel stacker reclaimer emission quantity wind comfort model equipment in wind-tunnel before setting test,
And it will be in material heap before the bucket wheel machine head model (1) the insertion test；
Step 5: opening the wind tunnel fan to the test wind；
Step 6: opening the power device (3), drives the bucket wheel machine head model (1) to press and carried out with prototype same angular velocity
Rotation makes the bucket wheel machine head model (1) stir feeding in material heap before the test, is stirring to simulate rotation material extracting operation
In dynamic process, part test material is dispelled by the wind tunnel fan and forms dust, so that material heap is formed before the test
Material heap after test stops the work of the wind tunnel fan after test meets default test period t；
Step 7: being filled respectively to the combination bucket-wheel stacker reclaimer emission quantity wind comfort model after test after the test
Set and the test after material heap weigh, by the combination bucket-wheel stacker reclaimer emission quantity wind comfort after test
The gross weight of material heap is denoted as M3 after model equipment and the test；
Step 8: computation model emission quantity Mm=M1+M2-M3；
Step 9: the total feeding amount Q of computation modelm=M1；
Step 10: combination bucket-wheel stacker reclaimer is being taken under the operating condition in actual prototype for acquisition by model prototype likelihood ratio λ
Expect the emission quantity generated when dynamic job, calculation formula are as follows:
Wherein, λ is model dirt rate and prototype plays the ratio between dirt rate, while being the geometric similarity ratio of model and prototype；QmIt is total for model
Feeding amount, MmEmission quantity, Q are calculated for modelpFor the total feeding amount of actual prototype, MpEmission quantity is calculated for actual prototype；η=M/Q ×
100%, physical significance is the percentage of the total feeding amount Q of emission quantity M Zhan；Subscript m indicates that model, subscript p indicate actual prototype；
Step 11: the moisture content of Adjustment Tests wind direction and wind speed and Adjustment Tests material, repetition step 1 to step 10,
Obtain emission quantity in actual prototype with wind speed, wind direction, moisture content factor changing rule.
9. a kind of combination bucket-wheel stacker reclaimer emission quantity wind comfort method according to claim 8, which is characterized in that
According to meteorological data wind speed and direction statistical data, the live moisture content situation, combination bucket-wheel stacker reclaimer emission quantity in actual prototype
The wind comfort model equipment activity duration, and combine analog reslt assessment bulk cargo port combination bucket-wheel stacker reclaimer into
The year emission quantity desired value of row feeding dynamic job process.
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| CN109974961B (en) | 2020-10-02 |
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