CN108680704A - The equal values determination method of SCR denitration device the escaping of ammonia based on ammonium hydroxide reducing agent and system - Google Patents
The equal values determination method of SCR denitration device the escaping of ammonia based on ammonium hydroxide reducing agent and system Download PDFInfo
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Abstract
The present invention provides a kind of equal values determination method of SCR denitration device the escaping of ammonia and system based on ammonium hydroxide reducing agent, including：Obtain the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide consumption figures of the SCR denitration device and the smoke value for flowing through the SCR denitration device；According to the accounting value of the nitrous oxides concentration drop-out value, the smoke value and ammonia in the nitrous oxides concentration drop-out value, the ammonia consumption figures of the SCR denitration device is calculated；According to the ammonium hydroxide consumption figures of the SCR denitration device, the ammonia consumption figures of the SCR denitration device and the smoke value, the average value of the outlet the escaping of ammonia of the SCR denitration device is calculated.The present invention by determining that SCR denitration device exports the technical solution of the escaping of ammonia mean value indirectly, overcome the defect of spot measurement error and smoke distribution unevenness, the practical consumption of ammonium hydroxide and SCR denitration device ammonia reaction consumption are considered as a whole, to instructing SCR denitration device operation to have the effect of practical significance.
Description
Technical field
The present invention relates to gas denitrifying technology field more particularly to a kind of SCR denitration device ammonia based on ammonium hydroxide reducing agent
It escapes equal values determination method and system.
Background technology
Trend is transformed in order to comply with national coal unit minimum discharge requirement and coal electricity peak regulation flexibility, power plant is to thermoelectricity
Unit denitrification apparatus performance requires higher and higher.After coal unit longtime running, denitration outlet the escaping of ammonia is in same section
On will appear the phenomenon that being unevenly distributed.During practical adjustment, majority power plant SCR (Selective Catalytic at present are found
Reduction) denitration outlet the escaping of ammonia is spot measurement, and result and flue cross section average value have deviation.
How to overcome spot measurement and the influence of smoke distribution measure SCR denitration device outlet the escaping of ammonia value be it is current urgently
The technical issues of solution.
Invention content
In order to solve defect in the prior art, the present invention provides a kind of SCR denitration devices based on ammonium hydroxide reducing agent
The equal values determination method of the escaping of ammonia and system are overcome by determining that SCR denitration device exports the technical solution of the escaping of ammonia mean value indirectly
The defect of spot measurement error and smoke distribution unevenness considers the practical consumption of ammonium hydroxide and the reaction of SCR denitration device ammonia as a whole
Consumption, to instructing SCR denitration device operation that there is practical significance.
To achieve the goals above, a kind of SCR denitration device the escaping of ammonia based on ammonium hydroxide reducing agent provided by the invention is equal
Values determination method, including：
It obtains the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide consumption figures of the SCR denitration device and flows through
The smoke value of the SCR denitration device；
According to the nitrous oxides concentration drop-out value, the smoke value and ammonia in the nitrous oxides concentration drop-out value
Accounting value, calculate the ammonia consumption figures of the SCR denitration device；
According to the ammonium hydroxide consumption figures of the SCR denitration device, the ammonia consumption figures of the SCR denitration device and the flue gas
Value calculates the average value of the outlet the escaping of ammonia of the SCR denitration device.
The SCR denitration device the escaping of ammonia mean value measurement system based on ammonium hydroxide reducing agent that the present invention also provides a kind of, including：
Acquiring unit, for obtaining the nitrous oxides concentration drop-out value of SCR denitration device, the ammonia of the SCR denitration device
Water consumption value and the smoke value for flowing through the SCR denitration device；
Ammonia consumption figures computing unit, for being existed according to the nitrous oxides concentration drop-out value, the smoke value and ammonia
Accounting value in the nitrous oxides concentration drop-out value calculates the ammonia consumption figures of the SCR denitration device；
The average calculation unit for exporting the escaping of ammonia, for according to the ammonium hydroxide consumption figures of the SCR denitration device, described
The ammonia consumption figures of SCR denitration device and the smoke value calculate the average value of the outlet the escaping of ammonia of the SCR denitration device.
The present invention also provides a kind of computer equipment, including memory, processor and storage on a memory and can located
The computer program run on reason device, the processor realize following steps when executing the computer program：
It obtains the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide consumption figures of the SCR denitration device and flows through
The smoke value of the SCR denitration device；
According to the nitrous oxides concentration drop-out value, the smoke value and ammonia in the nitrous oxides concentration drop-out value
Accounting value, calculate the ammonia consumption figures of the SCR denitration device；
According to the ammonium hydroxide consumption figures of the SCR denitration device, the ammonia consumption figures of the SCR denitration device and the flue gas
Value calculates the average value of the outlet the escaping of ammonia of the SCR denitration device.
The present invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, the computer journey
Following steps are realized when sequence is executed by processor：
It obtains the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide consumption figures of the SCR denitration device and flows through
The smoke value of the SCR denitration device；
According to the nitrous oxides concentration drop-out value, the smoke value and ammonia in the nitrous oxides concentration drop-out value
Accounting value, calculate the ammonia consumption figures of the SCR denitration device；
According to the ammonium hydroxide consumption figures of the SCR denitration device, the ammonia consumption figures of the SCR denitration device and the flue gas
Value calculates the average value of the outlet the escaping of ammonia of the SCR denitration device.
The equal values determination method of SCR denitration device the escaping of ammonia and system provided by the invention based on ammonium hydroxide reducing agent, including：
It obtains the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide consumption figures of the SCR denitration device and flows through the SCR
The smoke value of denitrification apparatus；It is dense in the nitrogen oxides according to the nitrous oxides concentration drop-out value, the smoke value and ammonia
The accounting value in drop-out value is spent, the ammonia consumption figures of the SCR denitration device is calculated；According to the ammonium hydroxide of the SCR denitration device
Consumption figures, the ammonia consumption figures of the SCR denitration device and the smoke value, the outlet ammonia for calculating the SCR denitration device are escaped
The average value of ease.The present invention overcomes single-point survey by determining that SCR denitration device exports the technical solution of the escaping of ammonia mean value indirectly
The defect for measuring error and smoke distribution unevenness considers the practical consumption of ammonium hydroxide and SCR denitration device ammonia reaction consumption as a whole, right
Instruct SCR denitration device operation that there is practical significance.
Description of the drawings
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 technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of equal values determination method of SCR denitration device the escaping of ammonia based on ammonium hydroxide reducing agent provided by the invention
Flow chart；
Fig. 2 is the equal values determination method of SCR denitration device the escaping of ammonia based on ammonium hydroxide reducing agent in one embodiment of the invention
Flow chart；
Fig. 3 is a kind of SCR denitration device the escaping of ammonia mean value measurement system based on ammonium hydroxide reducing agent provided by the invention
Structural schematic diagram；
Fig. 4 is the SCR denitration device the escaping of ammonia mean value measurement system based on ammonium hydroxide reducing agent in one embodiment of the invention
Structural schematic diagram.
Specific implementation mode
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 describes, 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.
It is the term of opening, i.e., about "comprising" used herein, " comprising ", " having ", " containing " etc.
Mean including but not limited to.
About it is used herein " and/or ", include the things any or all combinations.
About direction term used herein, such as：Upper and lower, left and right, front or rear etc. are only to refer to annexed drawings
Direction.Therefore, the direction term used is intended to be illustrative and not intended to limit this case.
In view of the deficiencies in the prior art, the present invention provides a kind of SCR denitration devices based on ammonium hydroxide reducing agent
The equal values determination method of the escaping of ammonia, flow chart is as shown in Figure 1, this method includes：
S101：Obtain the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide consumption figures and stream of SCR denitration device
Smoke value through SCR denitration device.
S102：According to the accounting of nitrous oxides concentration drop-out value, smoke value and ammonia in nitrous oxides concentration drop-out value
Value, calculates the ammonia consumption figures of SCR denitration device.
S103：According to the ammonium hydroxide consumption figures of SCR denitration device, the ammonia consumption figures of SCR denitration device and smoke value, calculate
The average value of the outlet the escaping of ammonia of SCR denitration device.
Flow as shown in Figure 1 it is found that by according to nitrous oxides concentration drop-out value, smoke value and the ammonia of acquisition in nitrogen
Accounting value in oxide concentration drop-out value calculates the ammonia consumption figures of SCR denitration device；According to the SCR denitration device of acquisition
Ammonium hydroxide consumption figures and smoke value, and calculate the ammonia consumption figures of the SCR denitration device obtained, then calculate SCR denitration device
Export the average value of the escaping of ammonia.The present invention is overcome by determining that SCR denitration device exports the technical solution of the escaping of ammonia mean value indirectly
The defect of spot measurement error and smoke distribution unevenness considers the practical consumption of ammonium hydroxide and the reaction of SCR denitration device ammonia as a whole
Consumption, to instructing SCR denitration device operation that there is practical significance.
In order to make those skilled in the art be better understood by the present invention, a more detailed embodiment is set forth below,
As shown in Fig. 2, the SCR denitration device the escaping of ammonia equal values determination method provided in an embodiment of the present invention based on ammonium hydroxide reducing agent, packet
It includes：
S201：Obtain the inlet nitrogen oxides mean concentration of SCR denitration device and the outlet nitrogen oxidation of SCR denitration device
Object mean concentration.
When it is implemented, N1For the inlet nitrogen oxides mean concentration of SCR denitration device, unit mg/Nm3, N2For
The inlet nitrogen oxides mean concentration of SCR denitration device, unit mg/Nm3。
The detailed process of on-line determination SCR denitration device outlet nitrogen oxides mean value is as follows in the present embodiment：
(1) measuring point sampling location is determined in the measuring point plane of SCR denitration device outlet.Measuring point plane net is formatted, institute
The coordinate for stating measuring point sampling location is (2i-1,2j-1), wherein i is measuring point number on measuring point plane depth direction, and j is measuring point
Measuring point number on plane width direction.Assuming that the total depth of measuring point plane is D, overall width W, (i is arranged in this measuring point plane
× j) a measuring point.Wherein, i indicates that measuring point number on measuring point plane depth direction, j indicate measuring point on measuring point plane width direction
Number.D is subjected to 2i deciles, W carries out 2j deciles, obtains (2i × 2j) a grid.Measuring point plane net is formatted, measuring point sampling location
On the position of coordinate (2i-1,2j-1), four quadrangles for sharing same endpoint are the region representated by measuring point.
(2) flue gas dynamic pressure and the nitrous oxides concentration average value at measuring point sampling location are measured respectively.According to national standard GB/T
16157-1996《Particulate matter measures and the gaseous pollutant method of sampling in Concentration in Fixed Pollutants Source》With rower DL/T 260-2012
《Coal-fired plant flue gas denitrification apparatus performance acceptance test specification》, to carrying out smoke components test at measuring point sampling location, in turn
Determine the flue gas dynamic pressure at measuring point sampling location and nitrous oxides concentration average value.3- is continuously recorded at each measuring point sampling location
5 nitrous oxides concentration numerical value, then be averaged, obtain the nitrous oxides concentration average value at measuring point sampling location.
(3) according at each measuring point sampling location dynamic pressure and nitrous oxides concentration mean value calculation obtain SCR denitration device
Export measuring point plane nitrogen oxides average value.
S202：According to the difference of inlet nitrogen oxides mean concentration and outlet nitrous oxides concentration average value, SCR is calculated
The nitrous oxides concentration drop-out value of denitrification apparatus.
When it is implemented, the nitrous oxides concentration drop-out value of SCR denitration device is Δ N, unit mg/Nm3, wherein specifically
Using following calculation formula (1)：
Δ N=N1-N2 (1)
S203：Obtain the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide consumption figures and stream of SCR denitration device
Smoke value through SCR denitration device.
When it is implemented, the nitrous oxides concentration drop-out value of SCR denitration device is Δ N, unit mg/Nm3, SCR denitration
The ammonium hydroxide consumption figures of device is T1, unit kg/h, the smoke value for flowing through SCR denitration device is Q, unit Nm3/h。
S204：According to the accounting of nitrous oxides concentration drop-out value, smoke value and ammonia in nitrous oxides concentration drop-out value
Value, calculates the ammonia consumption figures of SCR denitration device.
When it is implemented, the ammonia consumption figures of SCR denitration device is anti-actually to be participated in the reduction reaction of SCR denitration device
The ammonia consumption figures A answered specifically uses following formula (2)：
A=Δs NQK1 (2)
Wherein, A is the ammonia consumption figures of SCR denitration device, and Δ N is the nitrous oxides concentration drop-out value of SCR denitration device,
Q is smoke value.K1Representing SCR denitration device internal reference adds the corresponding participation of redox nitrogen oxides gross mass redox
The conversion coefficient of ammonia consumption figures, due to nitrogen oxides molecular weight 46, the molecular weight of ammonia is 17, therefore constant K1Value it is specific
ForThis gross mass and conversion coefficientIt is multiplied and the ammonia consumption of practical participation reaction can be obtained.
Wherein, the nitrous oxides concentration drop-out value and smoke value of SCR denitration device can be calculated according to the product of Δ N and Q
Product represent SCR denitration device internal reference and add redox nitrogen oxides gross mass.The nitrogen of reaction removal in SCR denitration device
Oxide gross mass and conversion coefficient K1It is multiplied, the ammonia consumption figures of the practical participation reaction of SCR denitration device can be obtained.
S205：According to the ammonium hydroxide consumption figures of SCR denitration device, the ammonia consumption figures of SCR denitration device and smoke value, calculate
The average value of the outlet the escaping of ammonia of SCR denitration device.
When it is implemented, calculating the average value of the outlet the escaping of ammonia of SCR denitration device, following formula (3) is specifically used：
Wherein, NH3For the average value of the outlet the escaping of ammonia of SCR denitration device, unit ppm；T1For SCR denitration device
Ammonium hydroxide consumption figures；A is the ammonia consumption figures of SCR denitration device；Q is smoke value；K2For constant.Wherein, (T1-A)·K2It indicates
The volume-cumulative amount per hour of the outlet the escaping of ammonia of SCR denitration device.K in the present embodiment2SpeciallyThe present invention is not with this
It is limited.T1For the ammonium hydroxide consumption figures of SCR denitration device
According to formula (1), (2) and (3), the following calculating for obtaining the average value of the outlet the escaping of ammonia of SCR denitration device is public
Formula (4)：
The mean value calculation formula (4) of the outlet the escaping of ammonia of SCR denitration device in the present embodiment, including exhaust gas volumn Q,
The inlet nitrogen oxides mean concentration N of SCR denitration device1, the inlet nitrogen oxides mean concentration N of SCR denitration device2With
And the ammonium hydroxide consumption figures T of SCR denitration device1, result of calculation indirect reaction denitrification apparatus performance is good and bad, to instructing SCR denitration to fill
Setting operation has practical significance.
In the present embodiment, the ammonium hydroxide consumption figures T of actual SCR denitration device is considered1With the reduction reaction of SCR denitration device
In ammonia consumption figures A, avoid the under-represented problem of single-spot testing of the outlet the escaping of ammonia of SCR denitration device, simultaneously
Consider influence caused by smoke distribution unevenness on same flue.
Based on above-mentioned based on the identical application structure of the equal values determination method of SCR denitration device the escaping of ammonia of ammonium hydroxide reducing agent
Think, the SCR denitration device the escaping of ammonia mean value measurement system based on ammonium hydroxide reducing agent that the present invention also provides a kind of, such as following implementation
Described in example.The principle solved the problems, such as due to the SCR denitration device the escaping of ammonia mean value measurement system based on ammonium hydroxide reducing agent with it is upper
It is similar to state the equal values determination method of SCR denitration device the escaping of ammonia based on ammonium hydroxide reducing agent, therefore should the SCR based on ammonium hydroxide reducing agent
The implementation of denitrification apparatus the escaping of ammonia mean value measurement system may refer to the above-mentioned SCR denitration device the escaping of ammonia based on ammonium hydroxide reducing agent
The implementation of equal values determination method, overlaps will not be repeated.
Fig. 3 is a kind of SCR denitration device the escaping of ammonia mean value measurement system based on ammonium hydroxide reducing agent of the embodiment of the present application
Structural schematic diagram, as shown in figure 3, should SCR denitration device the escaping of ammonia mean value measurement system based on ammonium hydroxide reducing agent include：It obtains
Take unit 101, ammonia consumption figures computing unit 102 and the average calculation unit 103 for exporting the escaping of ammonia.
Acquiring unit 101, for obtaining the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide of SCR denitration device
Consumption figures and the smoke value for flowing through SCR denitration device.
Ammonia consumption figures computing unit 102 is used for according to nitrous oxides concentration drop-out value, smoke value and ammonia in nitrogen oxidation
Accounting value in object concentration decrease calculates the ammonia consumption figures of SCR denitration device.
The average calculation unit 103 for exporting the escaping of ammonia, for according to the ammonium hydroxide consumption figures of SCR denitration device, SCR denitration
The ammonia consumption figures and smoke value of device calculate the average value of the outlet the escaping of ammonia of SCR denitration device.
In one embodiment, as shown in figure 4, SCR denitration device the escaping of ammonia mean value measurement that should be based on ammonium hydroxide reducing agent
System further includes：Export nitrous oxides concentration average value acquiring unit 104 and nitrous oxides concentration drop-out value computing unit 105.
Nitrous oxides concentration average value acquiring unit 104 is exported, the inlet nitrogen oxides for obtaining SCR denitration device are dense
Spend average value and the outlet nitrous oxides concentration average value of SCR denitration device.
Nitrous oxides concentration drop-out value computing unit 105, for according to inlet nitrogen oxides mean concentration and outlet nitrogen
The difference of oxide concentration average value calculates the nitrous oxides concentration drop-out value of SCR denitration device.
Based on above-mentioned based on the identical application structure of the equal values determination method of SCR denitration device the escaping of ammonia of ammonium hydroxide reducing agent
Think, the application provides a kind of computer equipment, as described in following example.The principle solved the problems, such as due to the computer equipment with
The equal values determination method of SCR denitration device the escaping of ammonia based on ammonium hydroxide reducing agent is similar, therefore the implementation of the computer equipment can be with
Referring to the implementation of the above-mentioned equal values determination method of SCR denitration device the escaping of ammonia based on ammonium hydroxide reducing agent, overlaps will not be repeated.
In one embodiment, computer equipment includes：Memory, processor and storage on a memory and can handled
The computer program run on device, as shown in Figure 1, the processor realizes following steps when executing the computer program：
S101：Obtain the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide consumption figures and stream of SCR denitration device
Smoke value through SCR denitration device.
S102：According to the accounting of nitrous oxides concentration drop-out value, smoke value and ammonia in nitrous oxides concentration drop-out value
Value, calculates the ammonia consumption figures of SCR denitration device.
S103：According to the ammonium hydroxide consumption figures of SCR denitration device, the ammonia consumption figures of SCR denitration device and smoke value, calculate
The average value of the outlet the escaping of ammonia of SCR denitration device.
Based on above-mentioned based on the identical application structure of the equal values determination method of SCR denitration device the escaping of ammonia of ammonium hydroxide reducing agent
Think, the application provides a kind of computer readable storage medium, as described in following example.Due to the computer readable storage medium
The principle solved the problems, such as is similar to based on the equal values determination method of SCR denitration device the escaping of ammonia of ammonium hydroxide reducing agent, therefore the calculating
The implementation of machine readable storage medium storing program for executing may refer to the reality of the equal values determination method of SCR denitration device the escaping of ammonia based on ammonium hydroxide reducing agent
It applies, overlaps will not be repeated.
In one embodiment, it is stored with computer program on computer readable storage medium, as shown in Figure 1, the calculating
Machine program realizes following steps when being executed by processor：
S101：Obtain the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide consumption figures and stream of SCR denitration device
Smoke value through SCR denitration device.
S102：According to the accounting of nitrous oxides concentration drop-out value, smoke value and ammonia in nitrous oxides concentration drop-out value
Value, calculates the ammonia consumption figures of SCR denitration device.
S103：According to the ammonium hydroxide consumption figures of SCR denitration device, the ammonia consumption figures of SCR denitration device and smoke value, calculate
The average value of the outlet the escaping of ammonia of SCR denitration device.
The equal values determination method of SCR denitration device the escaping of ammonia and system provided by the invention based on ammonium hydroxide reducing agent, including：
It obtains the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide consumption figures of SCR denitration device and flows through SCR denitration device
Smoke value；According to the accounting value of nitrous oxides concentration drop-out value, smoke value and ammonia in nitrous oxides concentration drop-out value, meter
Calculate the ammonia consumption figures of SCR denitration device；According to the ammonium hydroxide consumption figures of SCR denitration device, the ammonia consumption figures of SCR denitration device
And smoke value, calculate the average value of the outlet the escaping of ammonia of SCR denitration device.The present invention by determining that SCR denitration device goes out indirectly
The technical solution of mouth the escaping of ammonia mean value, overcomes the defect of spot measurement error and smoke distribution unevenness, considers ammonium hydroxide reality as a whole
Border consumption and SCR denitration device ammonia react consumption, to instructing SCR denitration device operation to have practical significance.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, the present invention can be used in one or more wherein include computer usable program code computer
The computer program production implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
Specific embodiment is applied in the present invention, and principle and implementation of the present invention are described, above example
Explanation be merely used to help understand the present invention method and its core concept；Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (8)
1. a kind of equal values determination method of SCR denitration device the escaping of ammonia based on ammonium hydroxide reducing agent, which is characterized in that including：
It obtains the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide consumption figures of the SCR denitration device and flows through described
The smoke value of SCR denitration device；
According to the nitrous oxides concentration drop-out value, the smoke value and ammonia accounting in the nitrous oxides concentration drop-out value
Ratio calculates the ammonia consumption figures of the SCR denitration device；
According to the ammonium hydroxide consumption figures of the SCR denitration device, the ammonia consumption figures of the SCR denitration device and the smoke value,
Calculate the average value of the outlet the escaping of ammonia of the SCR denitration device.
2. the SCR denitration device the escaping of ammonia equal values determination method according to claim 1 based on ammonium hydroxide reducing agent, feature
It is, further includes：
Obtain the inlet nitrogen oxides mean concentration of the SCR denitration device and the outlet nitrogen oxidation of the SCR denitration device
Object mean concentration；
According to the difference of the inlet nitrogen oxides mean concentration and the outlet nitrous oxides concentration average value, described in calculating
The nitrous oxides concentration drop-out value of SCR denitration device.
3. the SCR denitration device the escaping of ammonia equal values determination method according to claim 2 based on ammonium hydroxide reducing agent, feature
It is, it is described according to the nitrous oxides concentration drop-out value, the smoke value and in the nitrous oxides concentration drop-out value
Ammonia accounting value calculates the ammonia consumption figures of the SCR denitration device, specifically uses following formula：
A=Δs NQK1
Wherein, A is the ammonia consumption figures of the SCR denitration device；Δ N is under the nitrous oxides concentration of the SCR denitration device
Depreciation；Q is the smoke value；K1For constant.
4. the SCR denitration device the escaping of ammonia equal values determination method according to claim 3 based on ammonium hydroxide reducing agent, feature
It is, it is described according to the ammonium hydroxide consumption figures of the SCR denitration device, the ammonia consumption figures of the SCR denitration device and the SCR
The smoke value of denitrification apparatus calculates the average value of the outlet the escaping of ammonia of the SCR denitration device, specifically uses following formula：
Wherein, NH3For the average value of the outlet the escaping of ammonia of the SCR denitration device；T1Ammonium hydroxide for the SCR denitration device disappears
Consumption value；A is the ammonia consumption figures of the SCR denitration device；Q is the smoke value；K2For constant.
5. a kind of SCR denitration device the escaping of ammonia mean value measurement system based on ammonium hydroxide reducing agent, which is characterized in that including：
Acquiring unit, for obtaining the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide of the SCR denitration device disappears
Consumption value and the smoke value for flowing through the SCR denitration device；
Ammonia consumption figures computing unit is used for according to the nitrous oxides concentration drop-out value, the smoke value and ammonia described
Accounting value in nitrous oxides concentration drop-out value calculates the ammonia consumption figures of the SCR denitration device；
The average calculation unit for exporting the escaping of ammonia, for de- according to ammonium hydroxide consumption figures, the SCR of the SCR denitration device
The ammonia consumption figures of nitre device and the smoke value calculate the average value of the outlet the escaping of ammonia of the SCR denitration device.
6. the SCR denitration device the escaping of ammonia mean value measurement system according to claim 5 based on ammonium hydroxide reducing agent, feature
It is, further includes：
Export nitrous oxides concentration average value acquiring unit, the inlet nitrogen oxides concentration for obtaining the SCR denitration device
The outlet nitrous oxides concentration average value of average value and the SCR denitration device；
Nitrous oxides concentration drop-out value computing unit, for according to the inlet nitrogen oxides mean concentration and the outlet nitrogen
The difference of oxide concentration average value calculates the nitrous oxides concentration drop-out value of the SCR denitration device.
7. a kind of computer equipment, including memory, processor and storage are on a memory and the meter that can run on a processor
Calculation machine program, which is characterized in that the processor realizes following steps when executing the computer program：
It obtains the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide consumption figures of the SCR denitration device and flows through described
The smoke value of SCR denitration device；
According to the nitrous oxides concentration drop-out value, the smoke value and ammonia accounting in the nitrous oxides concentration drop-out value
Ratio calculates the ammonia consumption figures of the SCR denitration device；
According to the ammonium hydroxide consumption figures of the SCR denitration device, the ammonia consumption figures of the SCR denitration device and the smoke value,
Calculate the average value of the outlet the escaping of ammonia of the SCR denitration device.
8. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
Processor realizes following steps when executing：
It obtains the nitrous oxides concentration drop-out value of SCR denitration device, the ammonium hydroxide consumption figures of the SCR denitration device and flows through described
The smoke value of SCR denitration device；
According to the nitrous oxides concentration drop-out value, the smoke value and ammonia accounting in the nitrous oxides concentration drop-out value
Ratio calculates the ammonia consumption figures of the SCR denitration device；
According to the ammonium hydroxide consumption figures of the SCR denitration device, the ammonia consumption figures of the SCR denitration device and the smoke value,
Calculate the average value of the outlet the escaping of ammonia of the SCR denitration device.
Priority Applications (1)
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