CN110414770A - A kind of integrated evaluating method of the LCA that stalk resource utilizes and LCC - Google Patents
A kind of integrated evaluating method of the LCA that stalk resource utilizes and LCC Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 230000007613 environmental effect Effects 0.000 claims abstract description 27
- 238000004458 analytical method Methods 0.000 claims abstract description 15
- 238000013210 evaluation model Methods 0.000 claims abstract description 14
- 235000013339 cereals Nutrition 0.000 claims abstract description 11
- 238000013461 design Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000004148 unit process Methods 0.000 claims description 9
- 238000011156 evaluation Methods 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 6
- 230000006378 damage Effects 0.000 claims description 6
- 239000002361 compost Substances 0.000 claims description 5
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- 231100000719 pollutant Toxicity 0.000 claims description 5
- 238000010248 power generation Methods 0.000 claims description 5
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- 230000015572 biosynthetic process Effects 0.000 description 3
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- 235000013305 food Nutrition 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
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Abstract
The invention discloses the integrated evaluating methods of LCA that stalk resource utilizes and LCC a kind of, are specifically implemented according to the following steps: step 1, establishing and set the boundary of LCA model system；Step 2: building LCA characterizes evaluation model；Step 3: building LCC model, LCC computation model；Step 4: LCA being dissolved into LCC analytic process, the Process of Comprehensive Assessment model of LCA and LCC is constructed, the environmental cost accounting model based on LCA is constructed, finally constructs the overall merit computation model based on LCA and LCC.A kind of integrated evaluating method of the LCA that stalk resource utilizes and LCC of the present invention, pass through the perfect resource utilization of current cereal crops stalk, the data that can be obtained according to analysis effectively reduce pollution of the stalk processing to environment, improve the resource utilization rate of stalk.
Description
Technical field
The invention belongs to cereal crops waste processing arts, and in particular to a kind of LCA that stalk resource utilizes with
The integrated evaluating method of LCC.
Background technique
It in order to carry forward vigorously low-carbon, circulation and the Green Development that cereal crops stalk resource utilizes, while being policymaker
Science, objectively evaluation stalk resource are influenced using in whole process on caused by environment and economy, construct a set of meet to straw
The evaluation method that stalk resource utilization characterizes has reformed into urgent problem to be solved.
For the processing mode of stalk, we largely use the method for burning at present, and some is even using arbitrarily discarding
Or landfill method, certain destruction can be caused to agriculture rural environment in this way, therefore, the recycling of current cereal crops stalk
Using and it is not perfect, cause the not high situation of environmental pollution and resource utilization rate.
Summary of the invention
The object of the present invention is to provide the integrated evaluating methods of LCA that stalk resource utilizes and LCC a kind of, pass through foundation
A kind of comprehensive evaluation model of the LCA that stalk resource utilizes and LCC solves the recycling benefit of current cereal crops stalk
With and it is not perfect, cause the not high situation of environmental pollution and resource utilization rate.
The technical scheme adopted by the invention is that
A kind of integrated evaluating method of the LCA that stalk resource utilizes and LCC, is specifically implemented according to the following steps:
Step 1: the boundary of LCA model system is established and sets,
In step 1, a certain amount of stalk is collected, stalk resource is utilized, including for returning to the field, burning, at compost
Reason, feed, manufacture biogas, power generation and cellulosic ethanol, and data of collecting that treated respectively, then to the side of the data of acquisition
Formula Primary Construction Environmental costs inventory, is collected and screens to Environmental costs inventory；
Step 2: building LCA characterizes evaluation model,
By the Environmental costs inventory after collection and screening, classification is influenced according to intermediate point and terminal environment and is returned respectively
Class, the environment that building cereal crops stalk resource utilizes influence classification, LCA analysis are carried out, to verify whether new key
Pollution sources occur, and correct again if having, until no, so that constructing LCA characterizes evaluation model；
Step 3: building LCC model,
Carry out LCA system boundary determine, and recognition unit process cost, then select suitable calculation method, to each list
The calculating of first process cost index and the analysis of life cycle cost finally carry out trial and error improvement, and improve evaluation by report
As a result and research report is formed,
LCC computation model LCCT U=C1 U+C2 U+C3 U+C4 U,
Wherein (LCCT U, member/t) and it is life cycle cost, (C1 U, member/t) and it is design cost, (C2 U, member/t) and it is to be produced into
This, (C3 U, member/t) and it is period expense, (C4 U, member/t) and it is cost of disposal；
Step 4: overall merit computation model of the building based on LCA and LCC,
LCA is dissolved into LCC analytic process, the Process of Comprehensive Assessment model of LCA and LCC is constructed, is constructed based on LCA's
Environmental cost accounting model,
Formula are as follows:
CLCA-LCC=LCCT+LCCE,
Wherein CLCA-LCCFor the life cycle totle drilling cost for disposing a certain amount of stalk, LCCTFor the life for disposing a certain amount of stalk
Life cycle costing, LCCEFor the life cycle Environmental costs for disposing a certain amount of stalk, finally constructs the synthesis based on LCA and LCC and comment
Valence computation model.
The features of the present invention also characterized in that
In step 1, unified functional unit is set, the functional unit of unified stalk is set, sets the list of system boundary
Metaflow figure collects the data for directly inputting output data, indirect energy consumption and three waste discharge of each unit process.
In step 2, Environmental costs inventory includes the Health cost to crowd, the pollutant emission to environment, to soil life
The damage of state and loss to resource.
In step 3, design cost includes investigation cost and design cost, production cost include Master Cost, energy expenditure,
Personnel's wage, maintenance cost and other expenditures, period expense includes administration fee, financial expenses and selling charges.
The invention has the advantages that the overall merit side of LCA and LCC that a kind of stalk resource of the invention utilizes
Method utilizes the Environmental and economy of process by analysis stalk resource, respectively to its Environment Evaluation Model and economic analysis
Model is designed, and establishes the comprehensive evaluation model of LCA that stalk resource utilizes and LCC a kind of, perfect current grain
The resource utilization of food crop stalk, the data that can be obtained according to analysis effectively reduce pollution of the stalk processing to environment, mention
The resource utilization rate of high stalk.
Detailed description of the invention
Fig. 1 is LCA model system in a kind of integrated evaluating method of the LCA that stalk resource utilizes and LCC of the present invention
Boundary model schematic diagram；
Fig. 2 is that LCA characterizes evaluation in a kind of integrated evaluating method of the LCA that stalk resource utilizes and LCC of the present invention
The model schematic of model；
Fig. 3 is the environment bill of costs in a kind of integrated evaluating method of the LCA that stalk resource utilizes and LCC of the present invention
Model schematic；
Fig. 4 is life cycle cost point in a kind of integrated evaluating method of the LCA that stalk resource utilizes and LCC of the present invention
The model schematic of analysis process；
Fig. 5 is life cycle cost in a kind of integrated evaluating method of the LCA that stalk resource utilizes and LCC of the present invention
The model schematic of composition；
Fig. 6 be in a kind of integrated evaluating method of the LCA that stalk resource utilizes and LCC of the present invention life cycle environment with
The model schematic of economic Process of Comprehensive Assessment.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
The present invention provides the integrated evaluating method of LCA that stalk resource utilizes and LCC a kind of, specifically according to the following steps
Implement:
Step 1, the boundary of LCA model system is established and sets,
In step 1, a certain amount of stalk is collected, stalk resource is utilized, including for returning to the field, burning, at compost
Reason, feed, manufacture biogas, power generation and cellulosic ethanol, and data of collecting that treated respectively, then to the side of the data of acquisition
Formula Primary Construction Environmental costs inventory, is collected and screens to Environmental costs inventory；
Step 2: building LCA characterizes evaluation model,
By the Environmental costs inventory after collection and screening, classification is influenced according to intermediate point and terminal environment and is returned respectively
Class, the environment that building cereal crops stalk resource utilizes influence classification, LCA analysis are carried out, to verify whether new key
Pollution sources occur, and correct again if having, until no, so that constructing LCA characterizes evaluation model；
Step 3: building LCC model,
Carry out LCA system boundary determine, and recognition unit process cost, then select suitable calculation method, to each list
The calculating of first process cost index and the analysis of life cycle cost finally carry out trial and error improvement, and improve evaluation by report
As a result and research report is formed,
LCC computation model LCCT U=C1 U+C2 U+C3 U+C4 U,
Wherein (LCCT U, member/t) and it is life cycle cost, (C1 U, member/t), it is design cost, (C2 U, member/t) and it is production
Cost, (C3 U, member/t) and it is period expense, (C4 U, member/t) and it is cost of disposal；
Step 4: overall merit computation model of the building based on LCA and LCC,
LCA is dissolved into LCC analytic process, the Process of Comprehensive Assessment model of LCA and LCC is constructed, is constructed based on LCA's
Environmental cost accounting model,
Formula are as follows:
CLCA-LCC=LCCT+LCCE,
Wherein CLCA-LCCFor the life cycle totle drilling cost for disposing a certain amount of stalk, LCCTFor the life for disposing a certain amount of stalk
Life cycle costing, LCCEFor the life cycle Environmental costs for disposing a certain amount of stalk, finally constructs the synthesis based on LCA and LCC and comment
Valence computation model.
Further,
In step 1, unified functional unit is set, the functional unit of unified stalk is set, sets the list of system boundary
Metaflow figure collects the data for directly inputting output data, indirect energy consumption and three waste discharge of each unit process.
In step 2, Environmental costs inventory includes the Health cost to crowd, the pollutant emission to environment, to soil life
The damage of state and loss to resource.
In step 3, design cost includes investigation cost and design cost, production cost include Master Cost, energy expenditure,
Personnel's wage, maintenance cost and other expenditures, period expense includes administration fee, financial expenses and selling charges.
Embodiment 1:
Present embodiment discloses the integrated evaluating method of LCA that stalk resource utilizes and LCC a kind of,
Step 1, the boundary of LCA model system is established and sets, as shown in Fig. 2,
In step 1, collect 1 ton of stalk, stalk resource utilized, including for returning to the field, burning, compost treatment,
Feed, manufacture biogas, power generation and cellulosic ethanol, and data of collecting that treated respectively, then to the mode of the data of acquisition
Health cost of the Primary Construction to crowd, the pollutant emission to environment, the damage to land ecology and to the loss of resource
Environmental costs inventory, as shown in figure 4, the Health cost to crowd, the pollutant emission to environment, the damage to land ecology and
The data of the loss of resource are collected and are screened；
Step 2: building LCA characterizes evaluation model, as shown in figure 3,
By the Environmental costs inventory after collection and screening, classification is influenced according to intermediate point and terminal environment and is returned respectively
Class, the environment that building cereal crops stalk resource utilizes influence classification, LCA analysis are carried out, to verify whether new key
Pollution sources occur, and correct again if having, until no, so that constructing LCA characterizes evaluation model；
Step 3: building LCC model,
Carry out LCA system boundary determine, and recognition unit process cost, then select suitable calculation method, to each list
The calculating of first process cost index and the analysis of life cycle cost as shown in figure 5, finally carrying out trial and error improvement, and pass through report
It accuses improvement evaluation result and forms research report,
LCC computation model LCCT U=C1 U+C2 U+C3 U+C4 U,
Wherein (LCCT U, member/t) and it is life cycle cost, (C1 U, member/t) and it is design cost, (C2 U, member/t) and it is to be produced into
This, (C3 U, member/t) and it is period expense, (C4 U, member/t) and it is cost of disposal；
Step 4: overall merit computation model of the building based on LCA and LCC,
LCA is dissolved into LCC analytic process, the Process of Comprehensive Assessment model of LCA and LCC is constructed, is constructed based on LCA's
Environmental cost accounting model, formula are as follows:
CLCA-LCC=LCCT+LCCE,
Wherein CLCA-LCCFor the life cycle totle drilling cost for disposing 1 ton of stalk, LCCTFor dispose 1 ton of stalk life cycle at
This, LCCEFor the life cycle Environmental costs for disposing 1 ton of stalk, commented as shown in fig. 6, finally constructing the synthesis based on LCA and LCC
Valence computation model, as shown in Figure 1, showing the overall model of the integrated evaluating method of LCA and LCC in Fig. 1.
Embodiment 2
Present embodiment discloses the integrated evaluating method of LCA that stalk resource utilizes and LCC a kind of,
Step 1, the boundary of LCA model system is established and sets,
In step 1, collect 10 tons of stalk, stalk resource utilized, including for returning to the field, burning, compost treatment,
Feed, manufacture biogas, power generation and cellulosic ethanol, and data of collecting that treated respectively, then to the mode of the data of acquisition
Primary Construction Environmental costs inventory is collected and screens to Environmental costs inventory；
Step 2: building LCA characterizes evaluation model,
By the Environmental costs inventory after collection and screening, classification is influenced according to intermediate point and terminal environment and is returned respectively
Class, the environment that building cereal crops stalk resource utilizes influence classification, LCA analysis are carried out, to verify whether new key
Pollution sources occur, and correct again if having, until no, so that constructing LCA characterizes evaluation model；
Step 3: building LCC model,
Carry out LCA system boundary determine, and recognition unit process cost, then select suitable calculation method, to each list
The calculating of first process cost index and the analysis of life cycle cost finally carry out trial and error improvement, and improve evaluation by report
As a result and research report is formed,
LCC computation model LCCT U=C1 U+C2 U+C3 U+C4 U,
Wherein (LCCT U, member/t) and it is life cycle cost, (C1 U, member/t), it is investigation cost and design cost, (C2 U, member/
It t) include Master Cost, energy expenditure, personnel's wage, maintenance cost and other expenditures, (C for production cost3 U, member/t) and it is pipe
Reason expense, financial expenses and selling charges period expense, (C4 U, member/t) and it is cost of disposal；
Step 4: overall merit computation model of the building based on LCA and LCC,
LCA is dissolved into LCC analytic process, the Process of Comprehensive Assessment model of LCA and LCC is constructed, is constructed based on LCA's
Environmental cost accounting model, formula are as follows:
CLCA-LCC=LCCT+LCCE,
Wherein CLCA-LCCFor the life cycle totle drilling cost for disposing 10 tons of stalks, LCCTFor the life cycle for disposing 10 tons of stalks
Cost, LCCEFor the life cycle Environmental costs for disposing 10 tons of stalks, finally constructs the overall merit based on LCA and LCC and calculate
Model.
Claims (4)
1. a kind of integrated evaluating method of the LCA that stalk resource utilizes and LCC, which is characterized in that specifically according to the following steps
Implement:
Step 1, the boundary of LCA model system is established and sets,
In step 1, a certain amount of stalk is collected, stalk resource is utilized, including is used for returning to the field, burning, compost treatment, feeding
Material, manufacture biogas, power generation and cellulosic ethanol, and data of collecting that treated respectively, then at the beginning of the mode of the data of acquisition
The constructing environment bill of costs is walked, Environmental costs inventory is collected and is screened；
Step 2: building LCA characterizes evaluation model,
By the Environmental costs inventory after collection and screening, classification is influenced according to intermediate point and terminal environment and is sorted out respectively, structure
Building the environment that cereal crops stalk resource utilizes influences classification, LCA analysis is carried out, to verify whether new crucial pollution sources
Occur, corrected again if having, until no, so that constructing LCA characterizes evaluation model；
Step 3: building LCC model,
Carry out LCA system boundary determine, and recognition unit process cost, then select suitable calculation method, to each unit mistake
The calculating of the journey indicator of costs and the analysis of life cycle cost finally carry out trial and error improvement, and improve evaluation result by report
And research report is formed,
LCC computation model LCCT U=C1 U+C2 U+C3 U+C4 U,
Wherein (LCCT U, member/t) and it is life cycle cost, (C1 U, member/t) and it is design cost, (C2 U, member/t) and it is production cost,
(C3 U, member/t) and it is period expense, (C4 U, member/t) and it is cost of disposal；
Step 4: overall merit computation model of the building based on LCA and LCC,
LCA is dissolved into LCC analytic process, the Process of Comprehensive Assessment model of LCA and LCC is constructed, constructs the environment based on LCA
Cost calculation model, formula are as follows:
CLCA-LCC=LCCT+LCCE,
Wherein CLCA-LCCFor the life cycle totle drilling cost for disposing a certain amount of stalk, LCCTFor the life cycle for disposing a certain amount of stalk
Cost, LCCEFor the life cycle Environmental costs for disposing a certain amount of stalk, finally construct based on the overall merit of LCA and LCC
Calculate model.
2. the integrated evaluating method of LCA and LCC that a kind of stalk resource according to claim 1 utilizes, feature exist
In in step 1, unified functional unit is arranged, the functional unit of unified stalk is arranged, sets the unit process of system boundary
Figure, collects the data for directly inputting output data, indirect energy consumption and three waste discharge of each unit process.
3. the integrated evaluating method of LCA and LCC that a kind of stalk resource according to claim 1 utilizes, feature exist
In in step 2, Environmental costs inventory includes the Health cost to crowd, the pollutant emission to environment, the damage to land ecology
The harmful and loss to resource.
4. the integrated evaluating method of LCA and LCC that a kind of stalk resource according to claim 1 utilizes, feature exist
In in step 3, design cost includes investigation cost and design cost, and production cost includes Master Cost, energy expenditure, personnel
Wage, maintenance cost and other expenditures, period expense includes administration fee, financial expenses and selling charges.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111718791A (en) * | 2020-06-24 | 2020-09-29 | 江苏科技大学 | Method for evaluating environmental and economic benefits of biodiesel preparation |
| CN115907691A (en) * | 2022-12-27 | 2023-04-04 | 中交第二公路勘察设计研究院有限公司 | Highway engineering demolition solid waste recycling method based on economic benefits |
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| CN103226730A (en) * | 2013-03-15 | 2013-07-31 | 北京工业大学 | Evaluation method for environmental effect on life cycle of recycled aggregate |
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| 洪静敏: "粮食作物秸秆资源化利用的环境与经济影响评价研究", 《中国博士学位论文全文数据库(经济与管理科学辑)》 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111718791A (en) * | 2020-06-24 | 2020-09-29 | 江苏科技大学 | Method for evaluating environmental and economic benefits of biodiesel preparation |
| CN115907691A (en) * | 2022-12-27 | 2023-04-04 | 中交第二公路勘察设计研究院有限公司 | Highway engineering demolition solid waste recycling method based on economic benefits |
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