CN105205730A - Environmental and economic performance comprehensive evaluation method for thermal power plant typical environmental protection engineering - Google Patents
Environmental and economic performance comprehensive evaluation method for thermal power plant typical environmental protection engineering Download PDFInfo
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Abstract
The invention discloses an environmental and economic performance comprehensive evaluation method for thermal power plant typical environmental protection engineering and relates to evaluation of environmental and economic performance of thermal power plant typical pollutant control units. The problem that comprehensive evaluation of environmental and economic performance of existing thermal power plant typical pollutant control units is not sufficient is solved. The method includes the steps that firstly, an environmental and economic performance index system of the thermal power plant typical environmental protection engineering is established, and membership functions are established for evaluation indexes; weights of the evaluation indexes in all levels of evaluation are determined according to an actual running parameter and the technical requirement; a fuzzy mathematics comprehensive evaluation method is utilized, a large membership principle is adopted, environmental evaluation and economic evaluation are performed on the environmental protection engineering, and finally the environmental and economic performance of the environmental protection engineering is comprehensively evaluated. The method has universal applicability and operability, the result of the method can reflect advantages and disadvantages of the environmental and economic performance of the existing pollutant control units, the specific problems of the pollutant control units and reasons causing the problems are indicated, and the energy conservation and emission reduction development direction of a thermal power plant is guided.
Description
Technical field
The invention belongs to thermal power plant's typical pollutant control module comprehensive evaluation field, is the method for a kind of comprehensive evaluation thermal power plant typical case's environmental protection engineering-environment and economic performance.
Background technology
In recent years, going from bad to worse of environment, for strengthening the improvement of pollutant, China has formulated strict coal-burning power plant's pollutant emission standard, therefore, thermal power generation corporations start desulphurization and denitration, dedusting project one after another, are characterized in that investment, operation and maintenance cost are high.Therefore, under the prerequisite meeting pollutant emission standard, economize on resources and cost, realize maximum economic benefit, the environmental benefit of each pollutant catabolic gene technique and economic benefit are carried out to the comprehensive assessment of science, have important practical significance.Especially under minimum discharge background, environmental benefit is blindly pursued by electricity power enterprise, and have ignored the relation between economic input and environmental benefit, is therefore necessary to launch comprehensive evaluation for fuel-burning power plant environmental performance and economic performance, under the prerequisite of environment protection standard, increase economic efficiency.
Summary of the invention
The problem that the present invention mainly solves is, deficiency is evaluated for thermal power plant's typical pollutant control module environment and'economy performance synthesis for existing, utilize fuzzy mathematics method each pollutant control units to be integrated and evaluate its environmental performance and economic performance, set up Multistage fuzzy mathematical evaluation method for thermal power plant typical pollutant control module process system FGD desulfurization, SCR denitration, electric precipitation.The method can carry out accurate comprehensive evaluation to the environment and'economy performance of the overall environment-friendly engineering of power plant and existing desulphurization and denitration, dust collecting process; Evaluation result can not only embody the environment and'economy revenue situation of power plant pollution thing control module, can also make a concrete analysis of environment or the bad crux of economy and major influence factors, have important directive function to the developing direction of the following energy-saving and emission-reduction of power plant.
Technical scheme of the present invention is, to thermal power plant typical case environmental protection engineering-environment and economic performance comprehensive evaluation step as follows:
1) set up assessment indicator system, described index comprises heat-engine plant desulfurized, denitration, the environmental performance index of removing dust project and economic performance index;
2) define
,
,
three Estate power plant, the actual and associated specifications according to engineering, given each grade power plant These parameters value, lists each desired value of actual test and appraisal power plant;
3) thermal power plant typical case environmental protection Engineering fuzzy comprehensive evaluation model is set up;
A) factor of evaluation collection is set up;
B) thermal power plant typical case environmental protection engineering judgment set of factors is set up according to assessment indicator system above.First class index has two, is environmental index and economic target respectively, and each first class index has three two-level index, is the corresponding index of desulphurization and denitration, dedusting respectively, and each two-level index has several three grades of indexs, jointly constitutes factor of evaluation collection;
C) determine each index subordinate function, and the actual numerical value of Three Estate power plant and test and appraisal power plant is substituted into the degree of membership obtaining each index of each power plant;
D) agriculture products weight, determines the weight in evaluation at different levels shared by corresponding index according to expert estimation and Practical Project operational factor, sets up the weight matrix of evaluation at different levels;
E) fuzzy overall evaluation is carried out: elementary evaluation, respectively Environmental to desulfurization, denitration is Environmental, dedusting is Environmental, desulfurization economy, denitration economy, dedusting economy are evaluated, method carries out fuzzy operation to the weight matrix in this evaluation and subordinated-degree matrix, obtains evaluation result matrix.Two-level appraisement, evaluate respectively Environmental and economy, computing method are the same.Three grades of evaluations are that computing method are the same to thermal power plant typical case environmental protection engineering-environment performance in the comprehensive evaluation of economic performance;
4) evaluation result analysis, according to maximum membership grade principle, this test and appraisal power plant situation in evaluation at different levels can be found out, the comprehensive evaluation result of test and appraisal power plant environment-friendly engineering can be learnt in evaluating at three grades, the situation of its environmental performance and economic performance can be learnt respectively in two-level appraisement, in elementary evaluation, then can learn the Environmental of its each pollutant control units and Economic Evaluation situation, and analyze its environment or the excellent or good reason of economic performance, improve the environment of environment-friendly engineering for its thermal power plant or economic benefit determines direction.
The invention has the beneficial effects as follows, the method can carry out accurate comprehensive evaluation to the environment and'economy performance of the overall environment-friendly engineering of power plant and existing desulphurization and denitration, dust collecting process; Evaluation result can not only embody the environment and'economy revenue situation of power plant pollution thing control module, can also make a concrete analysis of environment or the bad crux of economy and major influence factors, have important directive function to the developing direction of the following energy-saving and emission-reduction of power plant.
Accompanying drawing explanation
Fig. 1 is the index system of this integrated evaluating method.
Fig. 2 is the process flow diagram of this integrated evaluating method.
Embodiment
Below in conjunction with embodiment, the present invention is described in more detail.Thermal power plant of the present invention typical case's environmental protection engineering-environment and Economic Analysis Method should comprise following steps.
1. consider that environment-friendly engineering present situation and each index are on the impact of environment, economy, assessment indicator system is set up in the research in conjunction with some scholars.The described index of setting up of thermal power plant typical case environmental protection engineering judgment index system comprises heat-engine plant desulfurized, denitration, the environmental performance index of removing dust project and economic performance index, as follows: desulfurization environmental index has desulfurization wastewater to the impact of environment, exiting flue gas SO2 concentration, desulfuration efficiency, Ca/S mol ratio; Denitration environmental index has denitration efficiency, exiting flue gas NOX concentration, NH3/NOX mol ratio; Dedusting environmental index has efficiency of dust collection, exiting flue gas dustiness; The economic target of desulfurization has desulfurization initial cost to account for ratio, the SO of gross investment
2unit desulphurization cost, occupation area of equipment, power consumption account for the ratio of gross generation, the utilization of desulfuration byproduct, the utilization factor of absorbing agent; The economic target of denitration has the utilization factor of denitration initial cost accounts for the ratio of gross investment, unit denitration cost, power consumption account for gross generation ratio, the escaping of ammonia rate, absorbing agent; The economic target of dedusting has that electric precipitation initial cost accounts for the ratio of gross investment, unit dedusting cost, power consumption account for gross generation, occupation area of equipment.
2. define according to evaluation index
,
,
three Estate power plant, determines the real data of test and appraisal power plant, sets up table 1,2,3
Table 1FGD desulfur technology evaluation index and desired value
Table 2SCR denitration technology evaluation index and desired value
Table 3 electrostatic precipitator technology evaluation index and desired value.
3. set up thermal power plant typical case environmental protection Engineering fuzzy comprehensive evaluation model
1) factor of evaluation collection is determined
Thermal power plant typical case environmental protection engineering judgment set of factors is set up according to assessment indicator system above.First class index has two, is environmental index and economic target respectively, and each first class index has three two-level index, is the corresponding index of desulphurization and denitration, dedusting respectively, and each two-level index has several three grades of indexs, jointly constitutes factor of evaluation collection.U={U can be expressed as
1, U
2, wherein U
1={ U
11, U
12, U
13, U
2={ U
21, U
22, U
23; Wherein U
11={ U
111, U
112, U
113, U
114, U
12={ U
121, U
122, U
13={ U
131, U
132, U
21={ U
211, U
212, U
213, U
214, U
215, U
216, U
22={ U
221, U
222, U
223, U
224, U
225, U
23={ U
231, U
232, U
233, U
234;
2) subordinate function is set up
A. desulfurization wastewater disposition
Desulfurization wastewater disposition is divided into 5 grades by it to the influence degree of environment, as shown in table 4;
The disposition of table 4 desulfurization wastewater
Subordinate function expression formula is:
（1）
B. desulfuration efficiency
According to desulfur technology requirement, determine that constraint condition is 40%-100%, obtain linear subordinate function:
（2）
C.Ca/S mol ratio
Ca/S mol ratio is 1 best, and be greater than 2 and think inadvisable, subordinate function is expressed as:
（3）
D. exiting flue gas SO
2concentration
SO
2concentration of emission should lower than 100mg/m, lower than 35mg/m
3namely meet minimum discharge, set up subordinate function:
(4)
E. denitration efficiency
Require according to denitration technology and the actual value that can touch the mark, determine that constraint condition is 25%-100%, obtain subordinate function:
（5）
F.NH
3/ NO
xmol ratio
（6）
G. exiting flue gas NOx concentration
NOx emission concentration should lower than 100mg/m
3, lower than 50mg/m
3namely meet minimum discharge, set up subordinate function:
（7）
H. efficiency of dust collection
Require according to dedusting technology and the actual desired value that can reach, determine that constraint condition is 99%-100%, set up subordinate function:
（8）
I. exiting flue gas dust concentration
In power-plant flue gas, dirt concentration of emission should lower than 30mg/m
3, lower than 10mg/m
3namely meet minimum discharge, set up subordinate function:
（9）
J.FGD accounts for the ratio of power plant's gross investment
According to the contrast and analysis of engineering parameter, FGD system investments generally accounts for the 5%-15% of power plant's gross investment, expresses, namely with lower semi-trapezoid subordinate function
（10）
K. unit desulphurization cost
According to practical sulphur removal operational factor, unit desulphurization cost generally between 500 yuan/ton-1500 yuan/ton, sets up subordinate function
（11）
L.FGD floor area
The unit of floor area is unified is m
2/ kW, scope is 0.005≤x≤0.025, sets up subordinate function:
（12）
M. power consumption accounts for the ratio of gross generation
Power consumption generally accounts for the 1.1%-2.1% of power plant's gross generation, and subordinate function is expressed as:
（13）
N. the utilization power of desulfuration byproduct is divided into 2 grades, as shown in table 5:
The utilization of table 5 desulfuration byproduct
Subordinate function is:
（14）
O. absorbing agent utilization factor is divided into 5 ranks, as shown in table 6:
The utilization factor of table 6 absorbing agent
| Absorbing agent utilization factor | Low | Lower | Generally | Higher | High |
| Rank | 0~ 1 | 1~ 2 | 2~ 3 | 3~ 4 | 4~ 5 |
Subordinate function is:
（15）
P. the ratio of power plant's gross investment is accounted for
SCR accounts for gross investment than general between 5%-20%, and subordinate function is expressed as:
（16）
Q. unit denitration cost
According to actual operation parameters, unit denitration cost is generally between 2500 yuan/t ~ 4500 yuan/t, and subordinate function is:
(17)
R. power consumption accounts for the ratio of gross generation
Power consumption generally accounts for the 0.1%-0.2% of power plant's gross generation, and subordinate function is:
（18）
S. absorbing agent utilization factor
The utilization factor of absorbing agent is divided into 5 ranks, as shown in table 7:
The utilization factor of table 7 absorbing agent
| The utilization factor of absorbing agent | Low | Lower | Generally | Higher | High |
| Rank | 0~ 1 | 1~ 2 | 2~ 3 | 3~ 4 | 4~ 5 |
Subordinate function is:
（19）
T. the escaping of ammonia rate
General Requirements is not more than 3X10
-6, setting is less than 0.5X10
-6be outstanding, subordinate function is:
（20）
U. electric precipitation accounts for generating plant gross investment ratio
Electric precipitation accounts for gross investment ratio between 3% ~ 5%, and subordinate function is:
（21）
V. unit dedusting cost
Unit dedusting cost is generally between 15 yuan/t-42 unit/t, and subordinate function is:
（22）
W. electric precipitation power consumption accounts for gross generation
Process 1000m
3/ h flue gas power consumption 0.2-0.8kW h, therefore, it is 0.1%-0.5% that dedusting power consumption accounts for gross generation ratio, sets up subordinate function to be
（23）
X. floor area
The unit of electric precipitation floor area is unified is m
2/ kW, scope is 0.00030≤x≤0.00060, and subordinate function is:
3) calculating of degree of membership
According to the desired value in table 1,2,3, calculate degree of membership according to subordinate function, set up table 8,9,10:
The degree of membership of table 8FGD desulfur technology evaluation index value
The degree of membership of table 9SCR denitration technology evaluation index value
The degree of membership of table 10 electrostatic precipitation technology evaluation index
4) determination of weight
Evaluation criterion weight is in conjunction with document and engineering reality, determines with reference to expert opinion and marking situation;
Desulfurization environmental index: U
11={ U
111, U
112, U
113, U
114}={ desulfuration efficiency, Ca/S mol ratio, exiting flue gas SO
2concentration, desulfurization wastewater is on the impact of environment }, index weights is A
11={ A
111, A
112, A
113, A
114;
Denitration environmental index: U
12={ U
121, U
122{ denitration efficiency, exiting flue gas NO
xconcentration, NH
3/ NO
xmol ratio }, index weights is A
12={ A
121, A
122, A
123;
Dedusting environmental index: U
13={ U
131, U
132}={ efficiency of dust collection, exiting flue gas dustiness }, index weights is A
13={ A
131, A
132;
Desulfurization economic target: U
21={ U
211, U
212, U
213, U
214, U
215, U
216}={ desulfurization initial cost accounts for gross investment ratio, and power consumption accounts for gross generation ratio, SO
2unit desulphurization cost, occupation area of equipment, absorbing agent utilization factor, desulfuration byproduct utilizes }, index weights is A
21={ A
211, A
212, A
213, A
214, A
215, A
216;
Denitration economic target: U
22={ U
221, U
222, U
223, U
224, U
225}={ denitration initial cost accounts for output investment ratio, and power consumption accounts for gross generation ratio, unit denitration cost, absorbing agent utilization factor, the escaping of ammonia rate }, index weights is A
22={ A
221, A
222, A
223, A
224, A
225;
Electric precipitation economic target: U
23={ U
231, U
232, U
233, U
234}={, electric precipitation initial cost accounted for output investment ratio, unit dedusting cost, and power consumption accounts for gross generation, floor area }, index weights is A
23={ A
231, A
232, A
233, A
234;
The weight of three kinds of control modules in environmental assessment: A
1={ A
11, A
12, A
13;
The weight of three kinds of control modules in economic evaluation: A
2={ A
21, A
22, A
23;
The weight of the large factor of environmental characteristics index, economic performance index two: A={A
1, A
2.
4. fuzzy overall evaluation
1) elementary evaluation
A. desulfurization environmental performance metrics evaluation, four power plant desulfurization environmental performance index degree of membership data are set up Evaluations matrix is
The weight of desulfurization environmental index is A
11={ A
111, A
112, A
113, A
114}
Computing method
For making evaluation result more accurate, method of weighted mean is adopted the result of calculation of 3 kinds of methods to be carried out comprehensively.{ 0.3,0.3,0.4} obtains matrix of consequence B to adopt weight
11;
Analyze: according to judging in result that degree of membership is larger, illustrate that its environmental performance is better.Can find out the environmental performance situation of desulfurization environmental evaluation test and appraisal power plant, and specific targets are to the effect of this situation;
B. denitration environmental assessment
The Evaluations matrix of the same method is
Denitration environmental evaluation index weights is A
12={ A
121, A
122, A
123}
Computing method are the same, obtain evaluation result matrix B
12, according to maximum membership grade principle analysis result and reason;
C. electric precipitation environmental assessment
Evaluations matrix is
Dedusting environmental evaluation index weights A
13={ A
131, A
132, calculate the B of evaluation result
13;
D. desulfurization evaluation of the economy
Evaluations matrix is
Desulfurization economic performance index weights A
21={ A
211, A
212, A
213, A
214, A
215, A
216, calculate evaluation result B
21
E. denitration evaluation of the economy index
Evaluations matrix is
Index weights is A
22={ A
221, A
222, A
223, A
224, A
225, calculate evaluation result B
22;
F. electric precipitation evaluation of the economy index
Evaluations matrix is
Index weights is A
23={ A
231, A
232, A
233, A
234, calculate evaluation result B
23
2) two-level appraisement
A. three kinds of pollutant control units environmental performance comprehensive evaluations
By the matrix of consequence B of desulphurization and denitration, dedusting environmental evaluation
11, B
12, B
13comprehensive environmental assessment matrix R
1;
The weight of three kinds of control modules in environmental assessment: A
1={ A
11, A
12, A
13, calculate evaluation result B
1;
B. three kinds of pollutant control units economic performance comprehensive evaluations
By the matrix of consequence B of desulphurization and denitration, dedusting economic evaluation
21, B
22, B
23comprehensive economic performance synthetic evaluation matrix R
2;
Three kinds of control module weight A in economic evaluation
2={ A
21, A
22, A
23, calculate evaluation result B
2;
3) three grades of evaluations
By environmental performance in evaluation of the economy matrix of consequence B
1and B
2comprehensive pollutant control units comprehensive evaluation
Matrix R;
The weight of the large factor of environmental characteristics index, economic performance index two is A={A
1, A
2, calculate evaluation result B.
5. evaluation result analysis
According to maximum membership grade principle, this test and appraisal power plant situation in evaluation at different levels can be found out, the comprehensive evaluation result of the whole environment-friendly engineering environment and'economy of test and appraisal power plant in evaluating at three grades, can be learnt; Environmental performance and the economic performance situation of its environment-friendly engineering can be learnt respectively in two-level appraisement; In elementary evaluation, then can learn the Environmental of each pollutant control units and Economic Evaluation situation, and analyze its environment or the excellent or good reason (specifically determining in each index) of economic performance, be that it improves environmental benefit and economic benefit determination improvement direction.
Such as, through elementary evaluation Hou get thermal power plant typical case environmental protection engineering-environment Evaluations matrix R
1with Economic Evaluation matrix R
2, and corresponding weight matrix A
1and A
2
A
1={0.36，0.28，0.36}
A
2={0.4，0.2，0.4}
Through fuzzy synthesis computing B=A ⊙ R, obtain B
1={ 0.70,0.53,0.41,0.48}, B
2={ 0.53,0.40,0.29,0.39}
Therefore, thermal power plant typical case environmental protection engineering comprehensive Evaluations matrix is
If the weight of the large factor of environmental characteristics index, economic performance index two is A={0.3,0.7}
Through fuzzy synthesis computing B=A ⊙ R={0.60,0.44,0.35,0.43}.
Can analyze thus: the power plant that tests and assesses in four power plant's environment-friendly engineering comprehensive evaluations is in medium level; Concrete analysis two large indexs, environmental performance and the economic performance of test and appraisal power plant are all in middle and lower level, and economic performance is especially in a disadvantageous position; From department level evaluation result matrix R
1in can find out that the reason that environmental evaluation is in inferior position is mainly that the environmental performance of desulfurization is poor, and denitration and dedusting are in above the average, and the Environmental poor reason of desulfurization can obtain specific targets from elementary evaluation; From R
2in can find out that the reason that Economic Evaluation is in a disadvantageous position mainly is that the economy of denitration technology and dedusting is poor, and concrete reason can obtain corresponding index from elementary evaluation.Therefore, this power plant, to improve its environment-friendly engineering comprehensive evaluation result, can take reasonable measure for corresponding index, under the prerequisite meeting environment and pollutant emission requirement, economizes on resources, obtains larger economic benefit.
Finally should be noted that: for different power plant, identical index may cause different evaluation results, therefore needs to take into full account the othernesses such as area.Above case study on implementation is only in order to illustrate that technical scheme of the present invention is not intended to limit, although above-mentioned embodiment is to invention has been detailed explanation, but the specific embodiment of the present invention is modified or equivalent replacement, and not departing from any amendment of spirit and scope of the invention and equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (3)
1. a method for comprehensive evaluation thermal power plant typical case's environmental protection engineering-environment and economic performance, is characterized in that the method for comprehensive evaluation thermal power plant typical pollutant control module environment and'economy performance realizes as follows:
1) set up assessment indicator system, described index comprises heat-engine plant desulfurized, denitration, the environmental performance index of removing dust project and economic performance index; 2) define
,
,
three Estate power plant, the actual and associated specifications according to engineering, given each grade power plant These parameters value, lists each desired value of actual test and appraisal power plant; 3) set up thermal power plant typical case environmental protection Engineering fuzzy comprehensive evaluation model and set up factor of evaluation collection, set up thermal power plant typical case environmental protection engineering judgment set of factors according to assessment indicator system; First class index has two, is environmental index and economic target respectively, and each first class index has three two-level index, is the corresponding index of desulphurization and denitration, dedusting respectively, and each two-level index has several three grades of indexs, jointly constitutes factor of evaluation collection; Determine each index subordinate function, and the actual numerical value of Three Estate power plant and test and appraisal power plant is substituted into the degree of membership obtaining each index of each power plant; Agriculture products weight, determines the weight in evaluation at different levels shared by corresponding index according to expert estimation and Practical Project operational factor, sets up the weight matrix of evaluation at different levels; Carry out fuzzy overall evaluation: elementary evaluation, respectively Environmental to desulfurization, denitration is Environmental, dedusting is Environmental, desulfurization economy, denitration economy, dedusting economy are evaluated, method carries out fuzzy operation to the weight matrix in this evaluation and subordinated-degree matrix, obtains evaluation result matrix; Two-level appraisement, evaluates respectively to Environmental and economy; Three grades of evaluations are in the comprehensive evaluation of economic performance to thermal power plant typical case environmental protection engineering-environment performance; 4) evaluation result analysis, according to maximum membership grade principle, this test and appraisal power plant situation in evaluation at different levels can be found out, the comprehensive evaluation result of test and appraisal power plant environment-friendly engineering can be learnt in evaluating at three grades, the situation of its environmental performance and economic performance can be learnt respectively in two-level appraisement, in elementary evaluation, then can learn the Environmental of its each pollutant control units and Economic Evaluation situation, and analyze its environment or the excellent or good reason of economic performance, improve the environment of environment-friendly engineering for its thermal power plant or economic benefit determines direction.
2. according to claim 1ly set up assessment indicator system, it is characterized in that: desulfurization environmental index has desulfurization wastewater to the impact of environment, exiting flue gas SO
2concentration, desulfuration efficiency, Ca/S mol ratio; Denitration environmental index has denitration efficiency, exiting flue gas NO
xconcentration, NH
3/ NO
xmol ratio; Dedusting environmental index has efficiency of dust collection, exiting flue gas dustiness; The economic target of desulfurization has desulfurization initial cost to account for ratio, the SO of gross investment
2unit desulphurization cost, occupation area of equipment, power consumption account for the ratio of gross generation, the utilization of desulfuration byproduct, the utilization factor of absorbing agent; The economic target of denitration has the utilization factor of denitration initial cost accounts for the ratio of gross investment, unit denitration cost, power consumption account for gross generation ratio, the escaping of ammonia rate, absorbing agent; The economic target of dedusting has that electric precipitation initial cost accounts for the ratio of gross investment, unit dedusting cost, power consumption account for gross generation, occupation area of equipment.
3. according to claim 1ly carry out three grades of evaluations, it is characterized in that: be elementaryly evaluated as the evaluation of desulfurization environmental index, denitration environmental index is evaluated, dedusting environmental index is evaluated, desulfurization economic target is evaluated, denitration economic target is evaluated, the evaluation of dedusting economic target; Two-level appraisement is: three kinds of pollutant control units environmental performance comprehensive evaluations, three kinds of pollutant control units economic performance comprehensive evaluations; Three grades are evaluated as: pollutant control units comprehensive evaluation.
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| CN112288296A (en) * | 2020-11-03 | 2021-01-29 | 北京国电龙源环保工程有限公司 | Real-time evaluation system and application method for operation performance and economy of desulfurization device |
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| CN112288295A (en) * | 2020-11-03 | 2021-01-29 | 北京国电龙源环保工程有限公司 | Desulfurization subsystem evaluation device based on online and application method thereof |
| CN112613693A (en) * | 2020-11-27 | 2021-04-06 | 国电环境保护研究院有限公司 | Coal-fired power plant flue gas purification island operation health evaluation system and method |
| CN112990652A (en) * | 2021-01-27 | 2021-06-18 | 中国特种设备检测研究院 | Evaluation method for boiler energy efficiency and economic and technical combination coupled with pollutant emission reduction |
| CN113945406A (en) * | 2021-10-25 | 2022-01-18 | 安徽新力电业科技咨询有限责任公司 | Based on PM2.5Method for evaluating performance of desulfurizing tower by standard elements in fine particles |
| CN113945406B (en) * | 2021-10-25 | 2024-01-26 | 安徽新力电业科技咨询有限责任公司 | PM-based 2.5 Method for evaluating performance of desulfurizing tower by using standard-marked elements in fine particles |
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