CN110288490A - A kind of building energy supplying system optimum design method based on ecological evaluation of life cycle - Google Patents
A kind of building energy supplying system optimum design method based on ecological evaluation of life cycle Download PDFInfo
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- 230000008821 health effect Effects 0.000 claims description 4
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- 239000002351 wastewater Substances 0.000 claims description 2
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- 239000003345 natural gas Substances 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
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- 230000005611 electricity Effects 0.000 description 3
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- 238000010438 heat treatment Methods 0.000 description 3
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- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 238000010187 selection method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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Abstract
The building energy supplying system optimum design method based on ecological evaluation of life cycle that the invention discloses a kind of, the system boundary for including the following steps: S1, determining each building energy supplying system scheme；S2, resource consumption, economic input and pollutant emission of the building energy supplying system of each building energy supplying system scheme in Life cycle are calculated；S3, using can value be theoretical estimates ecological in each building energy supplying system scheme add up respectivelyConsumption；S4, each building energy supplying system design scheme of comparison are accumulative in resource, economy, the ecology of three aspect of environmentConsumption, selectionConsumption is worth the smallest building energy supplying system design scheme preferably, which is the best design scheme of Ecological Sustainability.The present invention can be by quantifying, assessing ecology influence of the different building energy supplying systems in Life cycle, to obtain to the smallest scheme of eco-environmental impact.
Description
Technical field
The present invention relates to building energy supplying system fields, and in particular to a kind of building energy supply based on ecological evaluation of life cycle
Optimized System Design method.
Background technique
With the continuous promotion that the mankind require work living environment, demand of the mankind to resource and the energy is also increasing therewith
Add, the appearance for building energy supplying system meets the mankind in production and living for hot and cold, electric demand, while also increasing life
The burden of state environment.Energy supplying system form is varied, selects a kind of the smallest scheme of ecological burden to meet energy for building need
Asking seems increasingly important.
Currently, designing focal point at two aspect of economy and energy saving of system for building energy supplying system, and neglect
The slightly difference of energy supplying system ecology cost, these differences include that system equipment is running rank to difference, the system of Raw Material Demand
Energy source type consumed by section etc..In addition, not required resource input amount and exhaust emission in homologous ray Life cycle
The amount of object also has difference, and ecological pressure brought by different types of resource and pollutant is also different.
Therefore, it is necessary to establish a kind of building energy supplying system optimum design method based on ecological evaluation of life cycle, with solution
The certainly above problem.
Summary of the invention
In view of the above shortcomings of the prior art, the purpose of the present invention is to provide one kind is commented based on ecological life cycle
The building energy supplying system optimum design method of valence, by quantifying, assessing life of the different building energy supplying systems in Life cycle
State influences, and obtains to the smallest scheme of eco-environmental impact.
Realize above-mentioned purpose, the present invention adopts the following technical scheme:
A kind of building energy supplying system optimum design method based on ecological evaluation of life cycle, includes the following steps:
S1, the system boundary for determining each building energy supplying system scheme, including determining the complexity of object, to data collection
Requirement, hypothesis and restrictive condition；
S2, resource of the building energy supplying system in Life cycle for calculating each building energy supplying system scheme disappear
Consumption, economic input and pollutant emission；
S3, using can value be theoretical estimates each described build in terms of resource in energy supplying system scheme, economy, environment three respectively
Ecology is accumulativeConsumption；
1) ecology of resource input is accumulativeConsume ECECNCCalculating
The ecology of resource input is accumulativeEcology of the consumption including renewable resource and non-renewable resources is accumulativeConsumption, wherein
The ecology of renewable resource is accumulativeConsumption calculates the calculation method using non-superimposed, and the ecology of non-renewable resources is accumulativeConsumption calculates the calculation method using superposition；
ECECNC=ECECNC,R+ECECNC,NR (1)
ECEC in formulaNC,RIt is accumulative for renewable resource ecologyConsumption, ECECNC,NRIt is accumulative for non-renewable resources ecology
Consumption；I-th kind of renewable natural resources input amount,The emergy transformity of i-th kind of renewable natural resources,I-th kind
Non-renewable natural resources input amount,The emergy transformity of i-th kind of non-renewable natural resources；
2) ecology of social resources investment is accumulativeConsume ECECSCCalculating
ECECSC=EMR × MoneyC (4)
EMR consumes the sun by social economy's body in formulaThe ratio of equivalent total amount and money flow total amount (in terms of GDP),
Reflect the overall operation situation of economy and the real purchasing power of currency, MoneyCFor for maintaining the wage of labour；
3) ecology caused by environmental pollution damage is accumulativeConsume ECECEICalculating
Environmental pollution damage includes occupancy of the pollutant to ecological resources, the harm to human health and ecological diversity
The aspect of harm three, specific quantization method is as follows:
(1) ecological resources occupy ECECRO
After resource occupation refers to pollutant emission to the ecosystem, the ecosystem is in order to maintain the ecological balance to be paid
Resource, the main dilution medium (empty gas and water) and land resource provided including ecological environment；The ecosystem by dilution and
Various pollutants are cleared up to guarantee the relatively stable of the ecosystem, consumption required for estimating it according to the amount of required dilution medium
Ecology it is accumulativeConsumption:
ECECRO=ECECRO,G+ECECRO,L (5)
ECECRO,G=MAX { ECECRO,G1,ECECRO,G2,...,ECECRO,Gn} (6)
ECECRO,L=MAX { ECECRO,L1,ECECRO,L2,...,ECECRO,Ln} (7)
ECECRO,Li=MLi×Trrunoff (8)
ECEC in formulaRO,GFor gas pollutant resources occupancy, ECECRO,LFor liquid pollutant resource occupation, v is that the whole nation is average
Wind speed, TrwindFor the corresponding sun of unit wind energyAs MGiTo dilute i-th kind of gas pollutant required air quantity, d is air
Density, WGiFor i-th kind of gas pollutant discharge amount, cGiFor i-th kind of gas pollutant ambient concentration limit value, M'GFor exhaust gas discharge
Amount, ECECRO,LiResource occupation amount, Tr are polluted for i-th kind of liquidrunoffThe sun is corresponded to for Chinese entity quality overland flowWhen
Amount, MLiTo dilute i-th kind of institute, liquid pollutant institute water requirement, ρ is the density of water, WLiFor i-th kind of liquid pollutant discharge amount,
cLiFor i-th kind of liquid pollutant ambient concentration limit value, M'LFor wastewater discharge；
(2) human health risk ECECHH
By will evaluate pollutant in Eco-indicator99 to the methods of Human health effects and can be worth theory mutually knot
It closes, to estimate that pollutant is accumulative to the ecology of human health riskConsumption, calculation method are as follows:
In formulaFor the Human health effects of i-th kind of pollutant, MiFor the discharge amount of i-th kind of pollutant, DALYi
For mankind's disability adjusted life years caused by i-th kind of pollutant unit mass, TrHHFor the sun needed for maintenance unit human life yearEquivalent；
(3) ecological diversity influences ECECED
The ecosystem is a complicated tissue, and the diversity of species can be used as the index of evaluation ecological quality, will
Method that pollutant influences species diversity is evaluated in Eco-indicator99 estimates pollutant with can be worth theory and combine
It is accumulative to the ecology of ecological diversity imageConsumption, calculation method are as follows:
In formulaFor the corresponding ecological diversity harm of i-th kind of pollutant, MiFor the discharge of i-th kind of pollutant
Amount, PDF (%)iFor species loss amount caused by i-th kind of pollutant unit mass, TrEDFor the year sun needed for maintenance species viabilityEquivalent consumption；
S4, each building energy supplying system design scheme of comparison are accumulative in resource, economy, the ecology of three aspect of environment
Consumption, selectionConsumption is worth the smallest building energy supplying system design scheme preferably, which is ecological sustainability
The best design scheme of property.
Wherein, in the S2, the Life cycle includes: raw material production phase, raw material haulage stage, equipment life
Production stage, equipment conveying stage, equipment erection stage, system operation phase, system maintenance stage and system disenabling stage.
Compared with prior art, the invention has the following beneficial effects:
1, the proposition of the invention is by counting resource of the different building energy supplying system forms in Life cycle
Energy consumption, social economy investment and pollutant discharge amount, and using can value theory be quantified as same unit --- give birth to
State is accumulativeConsumption/the sunEquivalent consumes (unit sej), makes evaluation from the angle in ecological source, compares different buildings and supplies
Ecological Sustainability between energy system form, and then obtain the optimal building energy supplying system scheme of Ecological Sustainability.
2, the building energy supplying system optimization method provided by the invention based on ecological evaluation of life cycle, solves tradition side
The big problem of ecological pressure, realizes sustainable development caused by the problem of case selection method ignores ecology influence, has weight
The ecological significance wanted.
Detailed description of the invention
Fig. 1 is a kind of process of the building energy supplying system optimum design method based on ecological evaluation of life cycle of the present invention
Figure.
Fig. 2 is a kind of embodiment of the building energy supplying system optimum design method based on ecological evaluation of life cycle of the present invention
Part throttle characteristics of the middle internal combustion engine co-feeding system in summer in winter typical day.
Specific embodiment
Below in conjunction with examples and drawings, the invention will be further described.
Embodiment:
It is excellent using the building energy supplying system the present invention is based on ecological evaluation of life cycle by taking Chongqing City's hospital architecture as an example
Change design method, the energy supplying system of the hospital architecture is optimized, Optimizing Flow is referring to Fig. 1.It is calculated under design conditions
Hospital architecture summer maximum air-conditioning refrigeration duty is 4413.8kW, and winter maximum air-conditioning thermic load is 2392.83kW, typical case's day summer
Average air-conditioning refrigeration duty is 2373.67kW, and winter, typical per day air conditioner load was 1040.42kW, and highest summer, hot water day is negative
Lotus is 4668.43kW, and highest winter, hot water load day is 5635.17kW, and for summer in winter electric load without significant difference, maximum electricity consumption is negative
Lotus is about 1594.8kW, and minimum power load is about 643.23kW.All-year-around cooling season is 6 to September, and annual heating season is 12
The moon to March, internal combustion engine co-feeding system only have run stable two season of cooling and heating load demand in the summer in winter, and runing time only considers the summer in winter
In two seasons, the part throttle characteristics of typical case's day summer in winter is as shown in Fig. 2, the use of generated energy direct-furnish hospital, internal combustion engine institute, grid-connected not surf the Internet, electricity
Insufficient section is supplemented by power grid.Now according to the workload demand of building using ecological life cycle methodology proposed in this paper, selection compared with
Suitable internal combustion engine cooling heating and power generation system capacity configuration scheme.
Two kinds of building energy supplying system allocation plans are chosen, as shown in table 1:
Table 1 builds energy supplying system allocation plan
S1, the system boundary for determining each building energy supplying system scheme
Device category involved in gas internal-combustion engine co-feeding system is more, and system is complex, needs Rational Simplification, model structure
The basic simplified hypothesis built is as follows:
1, the equipment boundary of model include capital equipment gas internal-combustion engine, lithium bromide chiller and main auxiliary equipment water pump,
Cooling tower, plate heat exchanger etc. energize side capital equipment, do not include conveyance conduit and end equipment, related data mentions for producer
The equipment sample of confession.
2, model consider life cycle time boundary include: (1) raw material production phase, (2) equipment production phase,
(3) equipment conveying stage, (4) equipment operation and maintenance stage ignore system and scrap due to lacking the related data of disenabling stage
Stage.
S2, resource consumption, warp of the building energy supplying system of the building energy supplying system scheme in Life cycle are calculated
Ji investment and pollutant emission.
The resource input being related in the present embodiment includes: (1) raw materials consumption of equipment production phase and electric energy disappear
Consumption, natural gas, air and the water that (2) gas internal-combustion engine co-feeding system is consumed in the operation phase, (3) can not be complete when building electric load
Portion is generated electricity by internal combustion engine when providing, the electric energy that need to be supplemented from power grid, diesel oil consumed by (4) equipment conveying stage.
The social economy's investment being related in the present embodiment includes equipment production, system maintenance and system operational management three
The labour that a stage is paid, the application for developing data that the data and design side provided according to relevant manufacturers provide are used
In the wage of payment labour.
The pollutant emission being related in the present embodiment mostlys come from: (1) raw material production and the energy obtain stage institute
The pollutant of generation, (2) system operation phase burning natural gas produced pollution object discharge, institute during (3) equipment conveying
The pollutant emission of generation.
In order to unify several resource inputs and pollutant emission can in chronomere, the present embodiment is with a standard
Year is chronomere, and assumes that system service life is 20 years, the resource input of equipment production phase and equipment conveying stage
And pollutant emission is in 1/20 that the amount in a standard year is total amount in each stage.
1) resource consumption
In order to meet the needs of hospital is to thermoelectricity refrigeration duty, gas internal-combustion engine co-feeding system provides the cold of whole for hospital
Thermic load and part electric load calculate resource input of the different capabilities allocation plan in a standard year, and which includes set
The raw material and electric energy consumed required for standby production, the required diesel oil consumed of equipment conveying process, needed for the system operation phase
Natural gas, the water and air to be consumed, and the electric energy for needing to supplement from power grid.Table 2 lists two schemes in standard year
Resource input amount.
Resource input of each scheme of table 2 in standard year
2) social economy puts into
The social economy's investment being related in the present embodiment includes equipment production, system maintenance and system operational management three
The labour that a stage is paid, table 3 list social economy investment of the two schemes in standard year.
Each scheme standard year economic input amount of table 3
| Option A | Scheme F | |
| Social economy puts into (Wan Yuan) | 30.59 | 35.81 |
3) pollutant discharge amount
Pollutant emission in the present embodiment mostlys come from: (1) raw material production and the energy acquisition stage caused by
Pollutant, (2) system operation phase burning natural gas produced pollution object discharge, (3) equipment conveying are generated in the process
Pollutant emission.Table 4 lists two schemes pollutant discharge amount in standard year.
Pollutant discharge amount in each scheme standard year of table 4
Resource, economy, the ecology of three aspect of environment are accumulative in S3, each building energy supplying system scheme of estimationConsumption
(1) resource input ecology is accumulativeConsumption
Also different from, the ecological value pass through the direct body of emergy transformity to the ecological value that different resource type is carried
Existing, transformity is higher, and the carried ecological value is bigger, and table 5 gives renewable resource involved in this paper (R) and not
The emergy transformity of renewable resource (NR), table 6 list the two schemes each stage of the ecological cycle as unit of standard year
ECECNC。
Each resource emergy transformity of table 5
| Type | Steel | Copper material | Aluminium | Natural gas |
| Unit | seJ/kg | seJ/kg | seJ/kg | seJ/kg |
| Emergy transformity | 2.68E+12 | 1.94E+12 | 1.23E+12 | 8.06E+04 |
| Type | Electric energy | Diesel oil | Air | Water |
| Unit | seJ/J | seJ/J | seJ/kg | seJ/kg |
| Emergy transformity | 2.67E+05 | 8.05E+04 | 8.67E+10 | 1.12E+09 |
Each scheme standard year resource input ECEC of table 6NC
(2) social economy's investment ecology is accumulativeConsumption
Social labor power investment includes the labor that equipment produces, system maintenance and system operational management three phases are paid
Power, the application for developing data that the data and design side provided according to relevant manufacturers provide obtain the work for paying labour
Money, it is accumulative that table 7 provides each system deployment scenario ecology that social economy puts into standard yearConsumption.
Social economy puts into ECECSC in each scheme standard year of table 7
(3) pollutant environmental hazard ECECEI
Using theory can be worth, by different pollutants in terms of resource occupation, human health risk, species diversity influence three
It is evaluated in the harm unification to same benchmark caused by environment, table 8 lists related data required for quantization, and table 9 arranges
It is accumulative two schemes pollutant environmental hazard ecology has been gone outThe calculated result of consumption.
8 pollutant environment of table quantifies critical data
It is accumulative that each scheme different phase pollutant resources of table 9 occupy ecologyConsume ECECEI
| Option A | Option b | |
| Raw material energy obtains and the equipment production phase | 6.34E+13 | 7.96E+13 |
| Operation phase pollutant emission | 7.58E+15 | 1.03E+15 |
| Haulage stage pollutant emission | 1.88E+12 | 2.41E+12 |
S4, each building energy supplying system design scheme of comparison are accumulative in resource, economy, the ecology of three aspect of environmentConsumption
Option A and option b are accumulative in resource, economy, the ecology of three aspect of environmentConsumption and total ecology are accumulativePair of consumption
It is more as shown in table 10 than calculated result.Option b has in terms of natural resources investment and pollutant environmental hazard amount obvious excellent than option A
Gesture.Option b system form is complex compared to option A, although the labour that the needs such as option b production, maintenance, management equipment are paid
Power will increase, but gap is unobvious.Comprehensively consider the factor of resource, economy, three aspect of environment, option b is in Life cycle
The ecology of required consumption is accumulativeConsume it is less, have preferable Ecological Sustainability.Therefore, selection scheme B is as optimal side
Case.
Each scheme resource of table 10, economy, the ecology of three aspect of environment are accumulativeConsume ECEC
The it is proposed of the invention is by counting resource energy of the different building energy supplying system forms in Life cycle
Source consumption, social economy's investment and pollutant discharge amount, and using can value theory be quantified as same unit --- it is ecological
It is accumulativeConsumption/the sunEquivalent consumes (unit sej), makes evaluation from the angle in ecological source, compares different building energy supplies
Ecological Sustainability between system form, and then the optimal building energy supplying system scheme of Ecological Sustainability is obtained, it solves
The big problem of ecological pressure, realizes sustainable development caused by the problem of traditional scheme selection method ignores ecology influence
Exhibition has important ecological significance.
Finally, it should be noted that technical side the above examples are only used to illustrate the technical scheme of the present invention and are not limiting
Case, those skilled in the art should understand that, modification or equivalent replacement of the technical solution of the present invention are made for those, and
The objective and range for not departing from the technical program, are intended to be within the scope of the claims of the invention.
Claims (2)
1. a kind of building energy supplying system optimum design method based on ecological evaluation of life cycle, which is characterized in that including as follows
Step:
S1, the system boundary for determining each building energy supplying system scheme, including determining the complexity of object, being wanted to data collection
It asks, assume and restrictive condition；
S2, resource consumption, warp of the building energy supplying system of each building energy supplying system scheme in Life cycle are calculated
Ji investment and pollutant emission；
S3, utilization can the theoretical ecologies for estimating resource, economy, three aspect of environment in each building energy supplying system scheme respectively of value
It is accumulativeConsumption；
1) ecology of resource input is accumulativeConsume ECECNCCalculating
The ecology of resource input is accumulativeEcology of the consumption including renewable resource and non-renewable resources is accumulativeConsumption, wherein can be again
The ecology in production-goods source is accumulativeConsumption calculates the calculation method using non-superimposed, and the ecology of non-renewable resources is accumulativeConsumption
Calculate the calculation method using superposition；
ECECNC=ECECNC,R+ECECNC,NR (1)
ECEC in formulaNC,RIt is accumulative for renewable resource ecologyConsumption, ECECNC,NRIt is accumulative for non-renewable resources ecologyConsumption；
I-th kind of renewable natural resources input amount,The emergy transformity of i-th kind of renewable natural resources,I-th kind can not be again
It is born from right resource input amount,The emergy transformity of i-th kind of non-renewable natural resources；
2) ecology of social resources investment is accumulativeConsume ECECSCCalculating
ECECSC=EMR × MoneyC (4)
EMR consumes the sun by social economy's body in formulaThe ratio of equivalent total amount and money flow total amount (in terms of GDP), reflection
The overall operation situation of economy and the real purchasing power of currency, MoneyCFor for maintaining the wage of labour；
3) ecology caused by environmental pollution damage is accumulativeConsume ECECEICalculating
Environmental pollution damage includes occupancy of the pollutant to ecological resources, the danger of the harm to human health and ecological diversity
Three aspect of evil, specific quantization method are as follows:
(1) ecological resources occupy ECECRO
After resource occupation refers to pollutant emission to the ecosystem, the ecosystem is for the money that maintains the ecological balance to be paid
Source, the main dilution medium (empty gas and water) and land resource provided including ecological environment；The ecosystem passes through dilution and resolution
Various pollutants guarantee the relatively stable of the ecosystem, the life of consumption required for estimating it according to the amount of required dilution medium
State is accumulativeConsumption:
ECECRO=ECECRO,G+ECECRO,L (5)
ECECRO,G=MAX { ECECRO,G1,ECECRO,G2,...,ECECRO,Gn} (6)
ECECRO,L=MAX { ECECRO,L1,ECECRO,L2,...,ECECRO,Ln} (7)
ECECRO,Li=MLi×Trrunoff (8)
ECEC in formulaRO,GFor gas pollutant resources occupancy, ECECRO,LFor liquid pollutant resource occupation, v is national mean wind speed,
TrwindFor the corresponding sun of unit wind energyAs MGiTo dilute i-th kind of gas pollutant required air quantity, d is atmospheric density,
WGiFor i-th kind of gas pollutant discharge amount, cGiFor i-th kind of gas pollutant ambient concentration limit value, M'GFor discharge amount of exhaust gas,
ECECRO,LiResource occupation amount, Tr are polluted for i-th kind of liquidrunoffThe sun is corresponded to for Chinese entity quality overland flowEquivalent,
MLiTo dilute i-th kind of institute, liquid pollutant institute water requirement, ρ is the density of water, WLiFor i-th kind of liquid pollutant discharge amount, cLiFor
I-th kind of liquid pollutant ambient concentration limit value, M'LFor wastewater discharge；
(2) human health risk ECECHH
By that will evaluate pollutant in Eco-indicator99 to the methods of Human health effects and theory can be worth combine, come
Estimate that pollutant is accumulative to the ecology of human health riskConsumption, calculation method are as follows:
In formulaFor the Human health effects of i-th kind of pollutant, MiFor the discharge amount of i-th kind of pollutant, DALYiIt is i-th
Mankind's disability adjusted life years caused by kind pollutant unit mass, TrHHFor the sun needed for maintenance unit human life yearWhen
Amount；
(3) ecological diversity influences ECECED
The ecosystem is a complicated tissue, and the diversity of species can be used as the index of evaluation ecological quality, by Eco-
Method that pollutant influences species diversity is evaluated in indicator99 estimates pollutant to life with can be worth theory and combine
The ecology of state diversity image is accumulativeConsumption, calculation method are as follows:
In formulaFor the corresponding ecological diversity harm of i-th kind of pollutant, MiFor the discharge amount of i-th kind of pollutant, PDF
(%)iFor species loss amount caused by i-th kind of pollutant unit mass, TrEDFor the year sun needed for maintenance species viabilityEquivalent
Consumption；
S4, each building energy supplying system design scheme of comparison are accumulative in resource, economy, the ecology of three aspect of environmentConsumption, selectionConsumption is worth the smallest building energy supplying system design scheme preferably, which is that Ecological Sustainability is best
Design scheme.
2. the building energy supplying system optimum design method based on ecological evaluation of life cycle according to claim 1, feature
Be, in the S2, the Life cycle include: the raw material production phase, the raw material haulage stage, the equipment production phase,
Equipment conveying stage, equipment erection stage, system operation phase, system maintenance stage and system disenabling stage.
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| CN118171067A (en) * | 2024-05-13 | 2024-06-11 | 山东省国土测绘院 | Ecological value assessment method and system based on natural resource assets |
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