CN112381325B - Hydrogenation station planning method - Google Patents
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Abstract
The application relates to a hydrogen station planning method, which relates to the technical field of hydrogen energy utilization and comprises the steps of respectively establishing an objective function for maximizing the construction demand of a hydrogen station and an objective function for minimizing the hydrogen cost for a unit; balance conditions to be considered in constructing the hydrogen station include hydrogen balance, raw material balance and CO 2 Balancing; constraint conditions to be considered for constructing the hydrogen addition station include raw material supply rate constraint, hydrogen production rate constraint, hydrogen addition rate constraint of the hydrogen addition station, transportation capacity constraint and production emission treatment factory constraint; the maximum hydrogen station construction demand and the minimum unit hydrogen cost are verified. The application takes the minimized hydrogen consumption cost and the maximized captured hydrogen consumption as objective functions, proposes a planning method comprising the hydrogen consumption of the hydrogen station, the capital cost of the hydrogen station, the raw material purchasing cost, the operation cost of the hydrogen station and the emission cost, verifies the demand, can reasonably plan the large-scale construction of the hydrogen station and promotes the benign development of the hydrogen energy industry.
Description
Technical Field
The application relates to the technical field of hydrogen energy utilization, in particular to a hydrogen station planning method.
Background
The hydrogen adding station is a public service facility for using hydrogen in the traffic field, the planning of the hydrogen adding station can refer to site selection research of CNG (compressed natural gas) stations, and meanwhile, the specificity of the hydrogen adding station, namely the source of hydrogen, hydrogen embrittlement caused by the hydrogen and other safety problems, need to be considered. The reasonable and effective hydrogen station planning layout can rapidly and effectively popularize the development of the hydrogen energy industry, and combines the internal requirements of economic circle construction and transformation and upgrading of the automobile industry to clearly develop targets and realization paths and promote the rapid and healthy development of the hydrogen energy and fuel cell automobile industry.
The hydrogen adding stations in China are slow to develop and have small quantity, and mainly are single-site demonstration operation projects, and the hydrogen adding stations are not large in scale, so that the hydrogen adding stations are slow to develop. In combination with the practice and experience demonstrated in japan, the united states and other countries, the upstream and downstream links of the hydrogen adding station are comprehensively considered, the main factors to be considered in the site selection of the hydrogen adding station planning are considered, and a reasonable planning method is provided.
The hydrogen adding station has two sides, and firstly serves as a traffic service facility for providing hydrogen adding service for the fuel cell automobile; secondly, as a hydrogen-using facility, hydrogen needs to be supplemented by a hydrogen-producing station. When the hydrogen adding station is planned to be built, the link from the hydrogen adding station to the user vehicle and the link from the hydrogen source to the hydrogen adding station are fully considered. The method mainly relates to the aspects of hydrogen demand, utilization rate of the hydrogen adding station, hydrogen source, hydrogen storage and transportation, construction and operation of the hydrogen adding station and the like.
Disclosure of Invention
The application provides a planning method for a hydrogen adding station, which can provide a reasonable planning method for large-scale construction of the hydrogen adding station.
The technical scheme adopted by the application is as follows:
a hydrogen addition station planning method comprising the steps of:
respectively establishing an objective function for maximizing the construction demand of the hydrogen adding station and an objective function for minimizing the hydrogen cost of the unit;
establishing equilibrium conditions for hydrogen station planning, wherein the equilibrium conditions comprise hydrogen equilibrium conditions, raw material equilibrium conditions and CO 2 Balance conditions;
constructing constraints of hydrogen station planning, wherein the constraints comprise raw material supply rate constraints, hydrogen production rate constraints, hydrogen addition rate constraints of the hydrogen station, transportation capacity constraints and production emission treatment factory constraints;
verifying whether a demand is met, the demand including a hydrogen fueling demand captured by a hydrogen station on each node, and if the demand is met, planning according to the objective function; if the demand is not met, the objective function is re-established.
Further, establishing the objective function for maximizing the construction demand of the hydrogen station comprises:
number of hydrogen addition station construction requirements:
Q z ＝W/V
wherein: q (Q) z The urban hydrogen adding station construction demand is that W is the maintenance quantity of urban fuel cell automobiles, and V is the quantity of fuel cell automobiles which can be supported by a single hydrogen adding station;
wherein,
wherein: v (V) max The method is characterized in that the method comprises the steps of (1) the maximum number of fuel cell automobiles which can be supported by a hydrogen adding station every day is represented by t, wherein nn is the number of operating hours of the hydrogen adding station every day, nn is the number of automobiles which can be filled with the fuel cell at the same time by the hydrogen adding station, a is the time consumption of each hydrogen adding operation per car, mm is the number of times of each hydrogen adding operation per car every day, and y is the hydrogen production amount per hour of the hydrogen adding station.
Further, establishing the minimization of the hydrogen cost per unit objective function includes:
the unit hydrogen cost is obtained by dividing the total daily cost of the hydrogen station by the amount of hydrogen used per day:
C min ＝C D /Q
wherein: c (C) min To minimize unit hydrogen cost, C D For total daily cost of the hydrogen addition station, Q is the amount of hydrogen used per day by the hydrogen addition station;
wherein C is D ＝C C +C E +C O +C M
Wherein: c (C) C For the daily capital cost of the hydrogen station, C E For daily raw material purchasing cost of hydrogenation station, C O For the daily operation cost of the hydrogenation station, C M Daily discharge costs for the hydrogen addition station.
Further, the hydrogen balance condition includes: the hydrogen quality is balanced, and the fuel requirement, the position requirement and the hydrogen requirement output to other nodes of the node n are met for each hydrogen type i, the hydrogen production requirement and the input of the node m, which are expressed as:
wherein: PR (PR) npik For hydrogen production demand, Q hmn For the transmission of hydrogen quantity from node m to node n, Q hnm For the amount of hydrogen transferred from node n to node m,hydrogen production requirement for node n;
the raw material balance conditions include: for feedstock consumed by a hydrogen production plant, the feedstock consumption should be satisfied at each node n, technology p, feedstock type e, feedstock supply, and input from the other node m, the production cost by that node multiplied by the conversion, expressed as:
wherein: SR (SR) ne For the supply of raw materials, qf mn Qf for the amount of raw material input from node m to node n nm Delta for the amount of raw material input from node n to node m e,p Conversion of hydrogen to external hydrogen feed hydrogen station feedstock type e, OR ne For the raw material supply rate, FR noj For fuel rate, delta e,o The conversion rate of hydrogen for the hydrogen production raw material type e in the station;
the CO 2 The equilibrium conditions include:
wherein:discharge rate, Q, of a production plant discharging process for node n mn Is CO 2 Traffic from node m to n, Q nm Is CO 2 Return from node n to m, CR n Is CO 2 Is a processing rate of (a).
Further, the raw material supply rate constraint condition includes:
wherein: IE (information element) ne For node n having a source supplier at the production site, if node n has a source supplier at the production site, IE ne 1, if node n has no source material suppliers at the production site ne Is 0; IF (IF) no IF there is a hydrogen addition station for node n, IF there is a hydrogen addition station for node n no 1 IF node n has no hydrogen addition station no Is 0; respectively the minimum value and the maximum value of the raw material supply quantity;
the hydrogen production rate constraints include:
wherein: IP (Internet protocol) npik For the production plant of whether node n has technology p, hydrogen form i, capacity k, if node n has production plant of technology p, hydrogen form i, capacity k, IP npik 1, IP if node n has no production plant of technology p, hydrogen form i, capacity k npik Is 0; PR (PR) npik For the production rate of the node n technology p, hydrogen form i, capacity k production plant,respectively minimum and maximum production capacity;
the hydrogenation rate constraints of the hydrogenation station include:
wherein: IF (IF) nsij Hydrogenation rate of hydrogen-supplying hydrogenation station outside node n, IF noj Hydrogen production hydrogenation rate of hydrogen production hydrogenation station in node n station; IF there is an external hydrogen supply hydrogen addition station of technology s, hydrogen form i, capacity j at node n, then IF nsij 1, IF there is no external hydrogen feed hydrogen addition station of technology s, hydrogen form i, capacity j at node n, IF nsij Is 0; IF hydrogen-producing hydrogen-adding station in a station having technology o, capacity j at node n, then IF noj 1, IF there is no hydrogen-producing hydrogen-adding station in the station of technology o, capacity j at node n, IF noj Is 0;
the transport capacity constraints include:
in particular hydrogen transport capacity Q hnm Transport capacity Of raw materials Of production Of nm CO 2 Required for dischargingOutput capacity O nm The following constraints need to be satisfied:
X nm ×tcap min ≤O nm ≤X nm ×tcap max
wherein: x is X hnm 、X fnm 、X nm Hydrogen, production raw material and CO from node n to m respectively 2 A discharged transport channel, X if any hnm 、X fnm 、X nm 1, otherwise 0; tcap min 、tcap max respectively hydrogen, raw materials for production and CO 2 Minimum and maximum discharged transport capacity;
the production emission constraints include:
at least one production emission treatment plant is located at node n:
IM n ≤IP n
wherein: IM (instant Messaging) n For node n to handle emissions, if node n has an emissions treatment plant, IM n 1, if node n does not have an emission treatment plant, IM n Is 0; IP (Internet protocol) n The number of emission treatment plants that node n has;
wherein CO 2 The emission constraint bars are expressed as:
wherein: CR (computed radiography) n CO as node n 2 Treatment rate, IR n CO as node n 2 The number of processing devices is set to be,CO as node n 2 Maximum capacity, minimum capacity of processing capacity.
Further, verifying hydrogen fuel demand captured by the hydrogen station at each node includes:
determining hydrogenation rate FR of external hydrogen supply hydrogenation station of node n nsij Hydrogenation rate FR of hydrogen production and hydrogenation station in station of node n noj Whether greater than the established hydrogen station capture hydrogen fuel demand at each node:
wherein: SIF (SIF) n For node n having an external hydrogen supply hydrogen addition station, if node n has an external hydrogen supply hydrogen addition station, SIF n 1, SIF if node n has no external hydrogen supply hydrogen addition station n Is 0; OIF (optical information function) n For whether node n has an in-station hydrogen production hydrogen adding station, if node n has an in-station hydrogen production hydrogen adding station, OIF n 1, OIF if node n does not have an in-station hydrogen production hydrogen addition station n Is 0;hydrogen fuel demand for node n;
if FR nsij 、FR noj The hydrogen fuel demand of the hydrogen station built on each node is greater than or equal to the hydrogen fuel demand, and the demand is met by planning the objective function; if FR nsij 、FR noj Less than the hydrogen fuel demand captured by the hydrogen station built on each node, the objective function is not formulated to meet the demandIt is necessary to re-establish the objective function for re-planning.
The technical scheme of the application has the following beneficial effects:
the hydrogen adding station planning method comprises the steps of respectively establishing an objective function for maximizing the construction demand of the hydrogen adding station and an objective function for minimizing the hydrogen cost of a unit; balance conditions to be considered in constructing the hydrogen station include hydrogen balance, raw material balance and CO 2 Balancing; constraint conditions to be considered for constructing the hydrogen addition station include raw material supply rate constraint, hydrogen production rate constraint, hydrogen addition rate constraint of the hydrogen addition station, transportation capacity constraint and production emission treatment factory constraint; the maximum hydrogen station construction demand and the minimum unit hydrogen cost are verified. The application takes the minimized hydrogen consumption cost and the maximized captured hydrogen consumption as objective functions, proposes a planning method comprising the hydrogen consumption of the hydrogen station, the capital cost of the hydrogen station, the raw material purchasing cost, the operation cost of the hydrogen station and the emission cost, verifies the demand, can reasonably plan the large-scale construction of the hydrogen station and promotes the benign development of the hydrogen energy industry.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a flow chart of a method for planning a hydrogen addition station according to the present application.
Detailed Description
Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the examples below do not represent all embodiments consistent with the application. Merely exemplary of systems and methods consistent with aspects of the application as set forth in the claims.
Referring to fig. 1, a flow chart of a hydrogen addition station planning method is provided in the present application.
According to the hydrogen adding station planning method provided by the application, an objective function for maximizing the construction demand of the hydrogen adding station and an objective function for minimizing the hydrogen cost per kilogram every day are established, planning requirements including hydrogen consumption, hydrogen adding station utilization rate, hydrogen source, hydrogen storage and transportation and hydrogen adding station construction operation are provided, and a hydrogen adding station demand prediction model and a cost calculation model are established.
And step one, respectively establishing an objective function for maximizing the construction demand of the hydrogen adding station and an objective function for minimizing the hydrogen cost per unit.
Establishing an objective function for maximizing the construction demand of the hydrogen adding station, comprising:
number of hydrogen addition station construction requirements:
Q z ＝W/V
wherein: q (Q) z Is the construction demand of the urban hydrogen adding station, W is the maintenance quantity of the urban fuel cell automobiles, and V is the quantity of the fuel cell automobiles which can be supported by a single hydrogen adding station.
Wherein,
wherein: v (V) max The method is characterized in that the method comprises the steps of (1) the maximum number of fuel cell automobiles which can be supported by a hydrogen adding station every day is represented by t, wherein nn is the number of operating hours of the hydrogen adding station every day, nn is the number of automobiles which can be filled with the fuel cell at the same time by the hydrogen adding station, a is the time consumption of each hydrogen adding operation per car, mm is the number of times of each hydrogen adding operation per car every day, and y is the hydrogen production amount per hour of the hydrogen adding station.
Establishing a minimization of a hydrogen cost per unit objective function comprising:
the unit hydrogen cost is obtained by dividing the total daily cost of the hydrogen station by the amount of hydrogen used per day:
C min ＝C D /Q
wherein: c is the minimum unit hydrogen cost, C D For total daily hydrogen total cost for the hydrogen addition station, Q is the amount of hydrogen used per day for the hydrogen addition station.
C D ＝C C +C E +C O +C M
Wherein: c (C) C For the daily capital cost of the hydrogen station, C E For daily raw material purchasing cost of hydrogenation station, C O For the daily operation cost of the hydrogenation station, C M Daily discharge costs for the hydrogen addition station.
Wherein, the hydrogen used by the hydrogen station every day:
wherein:for hydrogen fuel demand, +.>IC for hydrogen fuel convection q For convection coefficient +.>For fixed position demand, +.>A fixed requirement for hydrogen type i for the nth node.
Daily hydrogen addition station capital cost, consisting of daily hydrogen addition station facility capital cost and daily hydrogen addition station CO 2 And the transportation cost is composed.
Wherein: alpha is annual operating period of the hydrogenation station, beta is capital investment recovery period of the hydrogenation station, C F For daily capital cost of facilities for hydro-station, C T Daily CO for hydrogen addition station 2 And (5) transportation cost.
Daily utility capital cost of the hydrogen station:
wherein: NP (NP) pik The number of hydrogen energy production plants, wc, for technology p, hydrogen type i, capacity k pik For capital cost of a production plant of this type, NF sij Number of hydrogen addition stations for external hydrogen supply fcc sij Capital cost, NF, of a production plant for an external hydrogen-feed hydrogenation station oj Fcc for number of hydrogen production and hydrogen addition stations in a station oj Capital cost for hydrogen production and hydrogen addition station in one station, NR is CO 2 The number of storage sites ccc is a CO 2 Capital cost of the storage site.
Daily CO of hydrogen station 2 Transport capital cost:
wherein: cpc for CO transmission 2 Unit capital cost of pipeline, l nm Is the shortest distance from node n to m.
Daily raw material purchasing cost of the hydrogenation station:
wherein: ER (ER) e For the total supply rate of e-class raw materials euc e Is the unit cost of the e-type raw material.
Wherein: SR (SR) ne Supply rate, OR, to raw material site of node n ne The feed station for node n supplies the hydrogen production hydrogen addition station in the station with the feed rate of the feed.
Daily operating cost of the hydrogenation station:
C o ＝C OF +C OH +C OT
wherein: c (C) O For daily transportation of hydrogen stationCost of nutrient, C OF For daily operation cost of hydrogen station facilities, C OH For the daily hydrogen transportation cost of hydrogen stations, C OT The raw material transportation cost for each day of hydrogen adding station.
C OH And C OT Including fuel power costs, labor costs, maintenance costs, general costs, and raw material transportation vehicle rental costs.
Daily facility operating cost of the hydrogen station:
wherein: NE (NE) e For the number of raw material supply sites, eoc e Operating costs, PR, of a site of this type pik For the total productivity of technique p, hydrogen type i, capacity k, poc pik For this type of site unit operation cost, FR sij Hydrogenation rate, foc, for external hydrogen feed hydrogenation station sij Unit operating cost, FR, of an external hydrogen feed hydrogenation station oj For hydrogen production in the station hydrogenation rate, foc oj For the unit operation cost of the hydrogen production and hydrogenation station in the station, CR is CO 2 The total processing rate, coc, is the unit operating cost.
Daily hydrogen transportation cost of the hydrogen adding station:
C OH ＝C HF +C HL +C HM +C HG +C HR
wherein: c (C) HF For fuel power cost, C HL For the labor cost, C HM For maintenance cost, C HG For general cost, C HR Cost for renting vehicles.
Wherein: f (f) ph For fuel price (per liter), dw h Payroll (per hour) for the driver, me h For maintenance (per kilometer), ge h For general cost (daily), tcr h For hydrogen transportation vehicle rental fee (per vehicle), fe h For economy of hydrogen transportation mode, sp h For hydrogen transport vehicle speed, tcap h Tma is hydrogen transport capacity h Lut for Hydrogen transport vehicle availability (hours per day) h For load/unload time, Q hnm The transport hydrogen quantity for nodes n to m, l nm For the shortest distance of nodes n to m, NV h For the number of vehicles transporting hydrogen, expressed as
Daily discharge cost of hydrogen station
C M ＝R×cp
Wherein: r is the total emission rate, and cp is the carbon price.
R＝R P +R S +R F +R T
Wherein R is P To produce the emission rate, R S For fuel emission rate, R F For the discharge rate of hydrogen production and hydrogen addition station in the station, R T Is the hydrogen transportation discharge rate.
Wherein: PR (PR) npik For the production rate of the technology p, hydrogen type i, capacity k at node n,and->The hydrogen production emission coefficients, FR, upstream and in-plant respectively for the plant production sij Hydrogenation rate for hydrogen-externally supplied hydrogenation station, < >>Emission factor, FR, of hydrogen addition station for external supply of hydrogen oj Hydrogen addition rate for hydrogen addition station in station, +.>For the hydrogen production hydrogen station in station exhaust factor, +.>For the emission factor, Q hnm For hydrogen traffic from node n to m, l nm For the shortest distance between two nodes, fe h For economy of hydrogen transport, tcap h Is the hydrogen transport capacity.
Balance conditions to be considered in the construction of the hydrogen adding station in the second step include hydrogen balance, raw material balance and CO 2 Balance.
Wherein the hydrogen balance conditions include:
the hydrogen quality of each node is balanced, and the fuel requirement, the position requirement and the hydrogen requirement output to other nodes of the node n are met for each hydrogen type i, the hydrogen production requirement and the input of other nodes m, which are expressed as:
wherein: PR (PR) npik For hydrogen production demand, Q hmn For the transmission of hydrogen quantity from node m to node n, Q hnm For the amount of hydrogen transferred from node n to node m,is the hydrogen production requirement of node n.
The raw material balance conditions include: for feedstock consumed by a hydrogen production plant, the feedstock consumption should be satisfied at each node n, technology p, feedstock type e, feedstock supply, and input from the other node m, the production cost by that node multiplied by the conversion, expressed as:
wherein: SR (SR) ne For the supply of raw materials, qf mn Qf for the amount of raw material input from node m to node n nm Delta for the amount of raw material input from node n to node m e,p Conversion of hydrogen to external hydrogen feed hydrogen station feedstock type e, OR ne For the raw material supply rate, FR noj For fuel rate, delta e,o The conversion rate of hydrogen for the hydrogen production raw material type e in the station.
CO 2 The equilibrium conditions include: each node n infrastructure requirement should be satisfied.
Wherein:discharge rate, Q, of a production plant discharging process for node n mn Is CO 2 Traffic from node m to n, Q nm Is CO 2 Return from node n to m, CR n Is CO 2 Is a processing rate of (a).
And step three, constructing constraint conditions to be considered in the hydrogen adding station, wherein the constraint conditions comprise raw material constraint conditions, hydrogen production constraint conditions, hydrogenation rate constraint conditions of the hydrogen adding station, hydrogen transportation constraint conditions and production and emission treatment factory constraint conditions.
Wherein the raw material supply rate constraint condition includes:
wherein: IE (information element) ne For node n having a source supplier at the production site, IF node n has a source supplier at the production site ne 1 IF there is no source supplier at the production site at node n ne Is 0; IF (IF) no IF there is a hydrogen addition station for node n, IF there is a hydrogen addition station for node n no 1 IF node n has no hydrogen addition station no Is 0; respectively minimum and maximum of the raw material supply amount.
The hydrogen production rate constraints include:
wherein: IP (Internet protocol) npik For the production plant of whether node n has technology p, hydrogen form i, capacity k, if node n has production plant of technology p, hydrogen form i, capacity k, IP npik 1, IP if node n has no production plant of technology p, hydrogen form i, capacity k npik Is 0; PR (PR) npik For the production rate of the node n technology p, hydrogen form i, capacity k production plant,respectively minimum and maximum production capacity.
The hydrogenation rate constraints of the hydrogenation station include:
wherein: IF (IF) nsij Hydrogenation rate of hydrogen-supplying hydrogenation station outside node n, IF noj Hydrogen production hydrogenation rate of hydrogen production hydrogenation station in node n station; IF there is an external hydrogen supply hydrogen addition station of technology s, hydrogen form i, capacity j at node n, then IF nsij 1, IF there is no external hydrogen feed hydrogen addition station of technology s, hydrogen form i, capacity j at node n, IF nsij Is 0; IF hydrogen-producing hydrogen-adding station in a station having technology o, capacity j at node n, then IF noj 1, IF there is no hydrogen-producing hydrogen-adding station in the station of technology o, capacity j at node n, IF noj Is 0.
The transport capacity constraints include:
in particular hydrogen, raw materials for production and CO 2 The transport capacity required for the discharge needs to satisfy the following constraints, respectively:
X nm ×tcap min ≤O nm ≤X nm ×tcap max
wherein: x is X hnm 、X fnm 、X nm Hydrogen, production raw material and CO from node n to m respectively 2 The transport channels for the discharge, if hydrogen, raw materials for production, CO, from node n to node m 2 Is discharged with a transportation channel, X hnm 、X fnm 、X nm 1, otherwise 0.tcap min 、tcap max Respectively hydrogen, raw materials for production and CO 2 Minimum and maximum transport capacity of the discharge.
Production emission treatment plant constraints include:
at least one production emission treatment plant is obtained at node n:
IM n ≤IP n
wherein: IM (instant Messaging) n For node n to handle emissions, if node n has an emissions treatment plant, IM n 1, if node n does not have an emission treatment plant, IM n Is 0; IR (IR) n The number of emission treatment plants that node n has.
Wherein CO 2 The emission constraint bars are expressed as:
wherein: CR (computed radiography) n CO as node n 2 Treatment rate, IR n CO as node n 2 The number of processing devices is set to be,CO as node n 2 Maximum capacity, minimum capacity of processing capacity.
And step four, verifying the demand, wherein the verification comprises verification of the hydrogen fuel demand flow captured by the hydrogen adding station on each node.
Capturable hydrogen fuel demand, comprising:
wherein: d (D) h,cap In order to be able to capture the hydrogen fuel demand,IC for hydrogen fuel convection q Is the capture coefficient.
At least one hydrogen adding station, IF, on each node n ＝SIF n +OIF n
Wherein if the node n has an external hydrogen supplying hydrogen adding station, SIF n Equal to 1; if node n has an in-station hydrogen production hydrogen addition station, OIF n Equal to 1.
The hydrogen fueling demand flow captured by the hydrogen stations at each node is then verified, including:
determining hydrogenation rate FR of external hydrogen supply hydrogenation station of node n nsij Noden is nHydrogenation rate FR of hydrogen production and hydrogenation station in station noj Whether greater than the established hydrogen station capture hydrogen fuel demand at each node:
wherein: SIF (SIF) n For node n having an external hydrogen supply hydrogen addition station, if node n has an external hydrogen supply hydrogen addition station, SIF n 1, SIF if node n has no external hydrogen supply hydrogen addition station n Is 0; OIF (optical information function) n For whether node n has an in-station hydrogen production hydrogen adding station, if node n has an in-station hydrogen production hydrogen adding station, OIF n 1, OIF if node n does not have an in-station hydrogen production hydrogen addition station n Is 0;hydrogen fuel demand for node n;
if FR nsij 、FR noj The hydrogen fuel demand quantity captured by the constructed hydrogen station on each node is greater than or equal to the hydrogen fuel demand quantity captured by the constructed hydrogen station on each node, and the demand quantity is met by planning an objective function; if FR nsij 、FR noj And if the hydrogen fuel demand quantity is smaller than the hydrogen fuel demand quantity captured by the constructed hydrogen station on each node, the demand quantity is not satisfied in the planning of the objective function, and the objective function needs to be re-established for re-planning.
The above-provided detailed description is merely a few examples under the general inventive concept and does not limit the scope of the present application. Any other embodiments which are extended according to the solution of the application without inventive effort fall within the scope of protection of the application for a person skilled in the art.
The above-provided detailed description is merely a few examples under the general inventive concept and does not limit the scope of the present application. Any other embodiments which are extended according to the solution of the application without inventive effort fall within the scope of protection of the application for a person skilled in the art.
Claims (6)
1. A method of hydrogen addition station planning comprising the steps of:
respectively establishing an objective function for maximizing the construction demand of the hydrogen adding station and an objective function for minimizing the hydrogen cost of the unit;
establishing equilibrium conditions for hydrogen station planning, wherein the equilibrium conditions comprise hydrogen equilibrium conditions, raw material equilibrium conditions and CO 2 Balance conditions;
constructing constraints of hydrogen station planning, wherein the constraints comprise raw material supply rate constraints, hydrogen production rate constraints, hydrogen addition rate constraints of the hydrogen station, transportation capacity constraints and production emission treatment factory constraints;
verifying whether a demand is met, the demand including a hydrogen fueling demand captured by a hydrogen station on each node, and if the demand is met, planning according to the objective function; if the demand is not met, the objective function is re-established.
2. The method of claim 1, wherein establishing the maximum hydrogen station construction demand objective function comprises:
number of hydrogen addition station construction requirements:
Q z ＝W/V
wherein: q (Q) z The urban hydrogen adding station construction demand is that W is the maintenance quantity of urban fuel cell automobiles, and V is the quantity of fuel cell automobiles which can be supported by a single hydrogen adding station;
wherein,
wherein: v (V) max The method is characterized in that the method comprises the steps of (1) the maximum number of fuel cell automobiles which can be supported by a hydrogen adding station every day is represented by t, wherein nn is the number of operating hours of the hydrogen adding station every day, nn is the number of automobiles which can be filled with the fuel cell at the same time by the hydrogen adding station, a is the time consumption of each hydrogen adding operation per car, mm is the number of times of each hydrogen adding operation per car every day, and y is the hydrogen production amount per hour of the hydrogen adding station.
3. The hydrogen plant planning method of claim 1, wherein establishing the minimization of hydrogen cost per unit objective function comprises:
the unit hydrogen cost is obtained by dividing the total daily cost of the hydrogen station by the amount of hydrogen used per day:
C min ＝C D /Q
wherein: c (C) min To minimize unit hydrogen cost, C D For total daily cost of the hydrogen addition station, Q is the amount of hydrogen used per day by the hydrogen addition station;
wherein C is D ＝C C +C E +C O +C M
Wherein: c (C) C For the daily capital cost of the hydrogen station, C E For daily raw material purchasing cost of hydrogenation station, C O For the daily operation cost of the hydrogenation station, C M Daily discharge costs for the hydrogen addition station.
4. The method for hydrogen addition station planning as claimed in claim 1, wherein,
the hydrogen balance conditions include: the hydrogen quality is balanced, and the fuel requirement, the position requirement and the hydrogen requirement output to other nodes of the node n are met for each hydrogen type i, the hydrogen production requirement and the input of the node m, which are expressed as:
wherein: IP (Internet protocol) npik For hydrogen production demand, Q hmn For the transmission of hydrogen quantity from node m to node n, Q hnm For the amount of hydrogen transferred from node n to node m,hydrogen production requirement for node n;
the raw material balance conditions include: for feedstock consumed by a hydrogen production plant, the feedstock consumption should be satisfied at each node n, technology p, feedstock type e, feedstock supply, and input from the other node m, the production cost by that node multiplied by the conversion, expressed as:
wherein: SR (SR) ne For the supply of raw materials, Q fmn To input the amount of raw material from node m to node n, Q fnm Delta for the amount of raw material input from node n to node m e,p Conversion of hydrogen to external hydrogen feed hydrogen station feedstock type e, OR ne For the raw material supply rate, FR noj For fuel rate, delta e,o The conversion rate of hydrogen for the hydrogen production raw material type e in the station;
the CO 2 The equilibrium conditions include:
wherein:discharge rate, Q, of a production plant discharging process for node n mn Is CO 2 Traffic from node m to n, Q nm Is CO 2 Return from node n to m, CR n Is CO 2 Is a processing rate of (a).
5. The method for hydrogen addition station planning as claimed in claim 1, wherein,
the raw material supply rate constraint conditions include:
wherein: IE (information element) ne For node n having a source supplier of the production site, if node n has a source supplier of the production site, IE ne 1, IE if node n has no source supplier at the production site ne Is 0; IF (IF) no IF, for node n, there is a hydrogen addition station no 1 IF node n has no hydrogen addition station no Is 0; respectively the minimum value and the maximum value of the raw material supply quantity;
the hydrogen production rate constraints include:
wherein: IP (Internet protocol) npik For a production plant of whether node n has technology p, hydrogen form i, capacity k, IP if node n has a production plant of technology p, hydrogen form i, capacity k npik 1, IP if node n has no production plant of technology p, hydrogen form i, capacity k npik Is 0; PR (PR) npik For the production rate of the node n technology p, hydrogen form i, capacity k production plant,respectively minimum and maximum production capacity;
the hydrogenation rate constraints of the hydrogenation station include:
wherein: IF (IF) nsij Hydrogenation rate of hydrogen-supplying hydrogenation station outside node n, IF noj Hydrogen production hydrogenation rate of hydrogen production hydrogenation station in node n station; IF there is an external hydrogen supply hydrogen addition station of technology s, hydrogen form i, capacity j at node n, then IF nsij 1, IF there is no external hydrogen feed hydrogen addition station of technology s, hydrogen form i, capacity j at node n, IF nsij Is 0; IF hydrogen-producing hydrogen-adding station in a station having technology o, capacity j at node n, then IF noj 1, IF there is no hydrogen-producing hydrogen-adding station in the station of technology o, capacity j at node n, IF noj Is 0;
the transport capacity constraints include:
in particular hydrogen transport capacity Q hnm Transport capacity Q of raw materials for production fnm CO 2 Discharge of required transport capacity O nm The following constraints need to be satisfied:
X nm ×tcap min ≤O nm ≤X nm ×tcap max
wherein: x is X hnm 、X fnm 、X nm Hydrogen, production raw material and CO from node n to m respectively 2 A discharged transport channel, X if any hnm 、X fnm 、X nm 1, otherwise 0; tcap min 、tcap max respectively hydrogen, raw materials for production and CO 2 Minimum and maximum discharged transport capacity;
the production emission constraints include:
at least one production emission treatment plant is located at node n:
IM n ≤IP n
wherein: IM (instant Messaging) n For node n to handle emissions, if node n has an emissions treatment plant, IM n 1, if node n does not have an emission treatment plant, IM n Is 0; IP (Internet protocol) n The number of emission treatment plants that node n has;
wherein CO 2 The emission constraint bars are expressed as:
wherein: CR (computed radiography) n CO as node n 2 Treatment rate, IR n CO as node n 2 The number of processing devices is set to be,CO as node n 2 Maximum capacity, minimum capacity of processing capacity.
6. The method for hydrogen addition station planning as claimed in claim 1, wherein,
verifying hydrogen fuel demand captured by the hydrogen station at each node, comprising:
determining hydrogenation rate FR of external hydrogen supply hydrogenation station of node n nsij Hydrogenation rate FR of hydrogen production and hydrogenation station in station of node n noj Whether greater than the established hydrogen station capture hydrogen fuel demand at each node:
wherein: SIF (SIF) n For node n having an external hydrogen supply hydrogen addition station, if node n has an external hydrogen supply hydrogen addition station, SIF n 1, SIF if node n has no external hydrogen supply hydrogen addition station n Is 0; OIF (optical information function) n For whether node n has an in-station hydrogen production hydrogen adding station, if node n has an in-station hydrogen production hydrogen adding station, OIF n 1, OIF if node n does not have an in-station hydrogen production hydrogen addition station n Is 0;hydrogen fuel demand for node n;
if FR nsij 、FR noj The hydrogen fuel demand of the hydrogen station built on each node is greater than or equal to the hydrogen fuel demand, and the demand is met by planning the objective function; if FR nsij 、FR noj And if the hydrogen fuel demand quantity of the constructed hydrogen station capture on each node is smaller than the hydrogen fuel demand quantity, the planning of the objective function does not meet the demand quantity, and the objective function needs to be re-established for re-planning.
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