CN109829635A - Cold source equipment capacity dynamic matching method based on operation year limited load evolution Feature - Google Patents
Cold source equipment capacity dynamic matching method based on operation year limited load evolution Feature Download PDFInfo
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- CN109829635A CN109829635A CN201910053866.1A CN201910053866A CN109829635A CN 109829635 A CN109829635 A CN 109829635A CN 201910053866 A CN201910053866 A CN 201910053866A CN 109829635 A CN109829635 A CN 109829635A
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Abstract
The invention proposes a kind of cold source equipment capacity dynamic matching methods based on operation year limited load evolution Feature, comprising: obtains the construction characteristic of a subway station；The subway station driving and the volume of the flow of passengers are obtained with the operation feature of subway service time dynamic change；Predict subway station in operation initial stage, mid-term and the load variations in long term rule and peak load；According to construction characteristic, load variations rule and peak load, operation initial stage matching scheme, operation mid-term matching scheme and the operation matching scheme at a specified future date of cold source equipment Dynamic Matching are tentatively drafted；The final scheme of cold source equipment Dynamic Matching is determined after comprehensive consideration.This method avoids subway circulation initial stage cold source equipment low-energy-efficiency high energy consumption is caused according to the most unfavorable processing condition at a specified future date matching cold source equipment when initial stage design, reduce subway initial cost by matching low capacity cold source equipment in the early stage instead.
Description
Technical field
The invention belongs to subway environment device systems fields more particularly to a kind of based on operation year limited load evolution Feature
Cold source equipment capacity dynamic matching method.
Background technique
The sustainable development runed with subway construction and for a long time, occupies the ring control system of entire subway system energy consumption rich and influential family
System energy consumption is increasingly valued by people, and 30% or more of the energy consumption land occupation iron total energy consumption of Environmental Control System of Metro, take up an area iron car
70% or more of energy consumption of standing, as subway dynamic load constantly changes with the operation time limit, subway ventilation air-conditioning typical monomers
Equipment and ventilation and air conditioning system in the early stage, during mid-term and the operation in long term, energy consumption is also a continually changing process,
The form of wherein 60% or so of air conditioner cold-heat source duty adjusting system total energy consumption, Cooling and Heat Source is different, initial cost and operation energy consumption
Also there is very big difference, therefore, whether the design selection of cold source equipment is reasonable, directly affects the use of subway environment device systems
Effect and performance driving economy.
New subway matches cold source equipment according to the most unfavorable processing condition at a specified future date at present, and cold source equipment capacity is caused to be transported in subway
Battalion's initial stage is in low load with strong power phenomenon for a long time, is in the lower operating status of efficiency.Secondly, cold source equipment itself uses the longevity
Order limited, when ground iron load at a specified future date reaches cold source equipment design capacity, equipment itself makes its operational energy efficiency due to abrasion etc.
Design value is not achieved, the above two o'clock contradiction causes the disposable initial cost of subway big, and equipment longtime running Energy Efficiency Ratio is poor, energy consumption compared with
Greatly.Therefore it proposes a kind of environmental control system cold source equipment dynamic matching method that can adapt to subway station load evolution Feature, is solution
The very urgent and significant work of certainly current Environmental Control System of Metro cold source equipment energy consumption problem.
Summary of the invention
The variation characteristic increased it is an object of the invention to be increased according to subway station load with the metro operation time limit proposes
A method of the cold source equipment capacity Dynamic Matching based on subway station difference operation year limited load evolution Feature, on solving
State the problem of proposing in background technique.
The invention proposes a kind of cold source equipment capacity dynamic matching method based on operation year limited load evolution Feature, packets
It includes:
Step 1: the construction characteristic of a subway station is obtained；When obtaining the subway station driving and the volume of the flow of passengers with metro operation
Between dynamic change operation feature；Predict subway station in operation initial stage, mid-term and the load variations in long term rule and peak load；
Step 2: according to construction characteristic, load variations rule and peak load, cold source equipment Dynamic Matching is tentatively drafted
Operation initial stage matching scheme, operation mid-term matching scheme and operation matching scheme at a specified future date；
Step 3: the final scheme of cold source equipment Dynamic Matching is determined after comprehensive consideration.
In the cold source equipment capacity dynamic matching method based on operation year limited load evolution Feature proposed by the present invention,
By measuring and predicting the construction characteristic of acquisition subway station, including subway concourse area, platform area, shield door area, building enclosure
Area, personnel's heat dissipation capacity.
In the cold source equipment capacity dynamic matching method based on operation year limited load evolution Feature proposed by the present invention,
Load variations rule and peak load of the prediction subway station in operation initial stage, mid-term and long term include: according to construction characteristic
With the total energy consumption at operation initial stage of feature calculation water cooler, mid-term and long term.
In the cold source equipment capacity dynamic matching method based on operation year limited load evolution Feature proposed by the present invention,
Operation initial stage, mid-term and respectively 1-5,6-10 and 11-15 at a specified future date.
In the cold source equipment capacity dynamic matching method based on operation year limited load evolution Feature proposed by the present invention,
The final scheme for determining cold source equipment Dynamic Matching includes: the subway station load evolution Feature according to metro operation initial stage, matching
Capacity meets the cold source equipment of initial stage peak load.
In the cold source equipment capacity dynamic matching method based on operation year limited load evolution Feature proposed by the present invention,
The final scheme for determining cold source equipment Dynamic Matching includes: the subway station load evolution Feature according to metro operation mid-term, is increased
The parallel running simultaneously of the cold source equipment of the identical capacity of 1-2 platform.
In the cold source equipment capacity dynamic matching method based on operation year limited load evolution Feature proposed by the present invention,
The final scheme for determining cold source equipment Dynamic Matching includes: to replace capacity according to subway station load evolution Feature at a specified future date and meet far
The cold source equipment of phase peak load.
Compared with prior art, beneficial effects of the present invention: when being designed this method avoids initial stage, according to least favorable at a specified future date
Conditions Matching cold source equipment causes the phenomenon that subway circulation initial stage cold source equipment low-energy-efficiency high energy consumption, passes through matching in the early stage instead
Low capacity cold source equipment reduces subway initial cost.This method avoids in subway circulation long term, subway station load is former after increasing
There is cold source equipment because longtime running occurs wearing to imitate that design value is not achieved.The cold source equipment dynamic that this method proposes
The dynamic change characterization that subway station load has been adapted to scheme ensure that fortune of the cold source equipment under the biggish rate of load condensate of Energy Efficiency Ratio
The row time maximize so that cold source equipment each period can be energy-efficient operation, it is small to efficiently solve big horse traction
The phenomenon that vehicle.
Detailed description of the invention
Fig. 1 is that the present invention is based on the processes of the cold source equipment capacity dynamic matching method of operation year limited load evolution Feature
Figure.
Specific embodiment
Below in conjunction with schematic diagram to the cold source equipment capacity proposed by the present invention based on operation year limited load evolution Feature
Dynamic matching method is described in more detail, and which show the preferred embodiment of the present invention, it should be appreciated that art technology
Personnel can modify invention described herein, and still realize advantageous effects of the invention.Therefore, following description should be managed
Solution is not intended as limitation of the present invention for for the widely known of those skilled in the art.
The present embodiment is the known conditions of metro station Cooling and Heat Source type selecting: subway concourse area 3528m2；Platform area
2562m2；904 ㎡ of shield door area；Building enclosure area 5943.629m2；Shield door heat transfer coefficient 2.9W/m2；Personnel's heat dissipation capacity
182W/ people；Equipment and lighting load do not change with the time limit；Entrance infiltration load mainly is influenced not become with the time limit by outside air temperature
Change；The volume of the flow of passengers divides, and First Year volume of the flow of passengers peak value is 20000 people/h, and rear 15000 people of cumulative year after year/h reached summit by 21 years
It is kept after value.The type selecting of cold source equipment is as shown in the following Table 1:
1 lectotype selection range table of table
The method of cold source equipment capacity Dynamic Matching based on subway station difference operation year limited load evolution Feature, mainly
Through the following steps that realize:
Step 1: according to subway station construction characteristic and driving and the volume of the flow of passengers with subway service time dynamic change feature,
Determine subway station in operation initial stage (1-5), mid-term (6-10), the load variations rule and most in long term (11-15) respectively
Big load；
Step 2: according to the load variations of variant operation period subway station rule and peak load, determining that cold source equipment is dynamic
The matched concrete scheme of state, including following scheme:
Scheme one: respectively runing the dynamic change characterization of period load according to subway station, selects capacity to meet at a specified future date maximum negative
The cold source equipment that the gradable load or unload of the multi-machine heads of lotus is adjusted；
Scheme two: it according to the subway station load evolution Feature at metro operation initial stage (1-5), matches capacity and meets initial stage most
The cold source equipment of big load increases the identical appearance of 1-2 platform according to the subway station load evolution Feature of metro operation mid-term (5-10)
The parallel running simultaneously of the cold source equipment of amount；
Scheme three: it according to the subway station load evolution Feature in (1-5) year at metro operation initial stage, matches capacity and meets initial stage most
The cold source equipment of big load replaces capacity according to subway station load evolution Feature at a specified future date in subway circulation medium-long term (after 8 years)
Meet the cold source equipment of peak load at a specified future date.
Step 3: comprehensive many factors determine the final scheme of cold source equipment Dynamic Matching, include with specific reference to factor, ground
Preliminary budget knot is recycled in the investment of iron station calculator room equipment execution conditions, subway station long term load prediction results, life period of equipment
Fruit etc..
1, by above-mentioned offer condition, is calculated according to step 1, and the peak load that can find out different operation periods can divide
For three operation stages, as shown in table 2:
The peak load of 2 subway station of table different operation stages
| Operation stage | Peak load (kW) |
| Initial stage (1-5) | 438 |
| Mid-term (6-14) | 547 |
| (15-25) at a specified future date | 689 |
1.1 are directed to existing scheme energy consumption calculation
Existing subway station cold source equipment is according to the most unfavorable processing condition design at a specified future date is selected, i.e., by peak load at a specified future date
689kW is 758KW multiplied by 1.1 safety coefficient, to match cold source equipment, the present embodiment for model A water cooler into
Row energy consumption analysis
Environmental control system cold source equipment runing time is annual June by September totally 120 days, is brought into operation daily from 6 points to 23
Point terminates, totally 16 hours, then from initial operating stage to long term, the total energy consumption Q0 of water cooler is 8544000kWh.
1.2 can multiplied by safety coefficient 1.1 according to the peak load that each operation period is calculated in step 1 for step 1
Place capacity needed for obtaining each operation period is as shown in table 3.
Place capacity needed for each operation stage of table 3
| Operation stage | Cooling capacity (kW) |
| Initial stage (1-5) | 482 |
| Mid-term (6-14) | 602 |
| (15-25) at a specified future date | 758 |
1.3 for the scheme one in step 2
The step-less adjustment cold source equipment of model B is matched according to the scheme one in step 2, and its energy consumption calculate and is divided
Analysis.According to the matching method of scheme one, environmental control system cold source equipment runing time is annual June by September totally 120 days, daily
Bringing into operation from 6 points to 23 points terminates, totally 16 hours, obtains water cooler in the junior middle school energy consumption Q for running just mid-term and is
3064320kWh；Energy consumption Q far 2492160kWh when running at a specified future date；Then the water cooler under the program is in entire Life Cycle
The energy consumption Q of phase is always 5556480kWh, and it is 2987520kWh that the program is saved energy consumption Q and saved compared to former scheme.
1.4 for the scheme two in step 2
1) the maximum refrigeration duty of the just i.e. 1-14 of mid-term is calculated according to step 1 is 547kW, is obtained multiplied by safety coefficient 1.1
Required place capacity is 602KW, selects the water cooler of model C to first mid-term according to the scheme two in step 2；It can similarly obtain
Long term is that the maximum refrigeration duty of 14-25 is 689kW, obtains required place capacity at a specified future date multiplied by 1.1 safety coefficient and is
758kW, the water cooler for being D to medium-long term increment type number according to the scheme two in step 2.The matching for calculating analytical plan two is done
The operation energy consumption of cold source equipment under method.
2) according to the matching method of scheme two, environmental control system cold source equipment runing time is annual June to September totally 120
It, bring into operation from 6 points to 23 points terminates daily, totally 16 hours；Water cooler is calculated in the energy consumption Q for running just mid-term
Junior middle school is 2661120kWh；Energy consumption Q far 2808960kWh when running at a specified future date；Then the water cooler under the program is entire
The energy consumption of life cycle: Q is always 5470080kWh；It is 3073920kWh that scheme two is saved energy consumption Q and saved relative to original scheme
1.5 for the scheme three in step 2
1) the maximum refrigeration duty of the just i.e. 1-14 of mid-term is calculated according to step 1 is 547W, is obtained just multiplied by safety coefficient 1.1
Place capacity needed for mid-term is 602KW, selects the cooling-water machine of model C to subway initial operating stage according to the scheme 3 in step 2
Group, can similarly obtain the maximum refrigeration duty of i.e. 14-25 at a specified future date is 689kW, obtains equipment needed for long term multiplied by 1.1 safety coefficient and holds
Amount is 758kW, and the water coolers of model B, and the operation to three equipment of scheme are replaced according to three pairs of long terms of scheme in step 2
Carry out energy consumption analysis.
2) according to the matching method of scheme three, environmental control system cold source equipment runing time is annual June to September totally 120
It, bring into operation from 6 points to 23 points terminates daily, totally 16 hours；Water cooler is calculated in the energy consumption Q for running just mid-term
Junior middle school is 2661120kWh；Energy consumption Q far 2492160kWh when running at a specified future date；Then the water cooler under the program is entire
The energy consumption Q of life cycle is always 5153280kWh；It is 3390720kWh that scheme three is saved energy consumption Q and saved relative to original scheme
2 are directed to step 3
Notice according to the municipal price bureau about rail transportation operation electricity rates, the every kilowatt hour of city's rail transit
0.825 yuan, the running cost for thus calculating the energy consumption and saving that know that each scheme is saved is as shown in table 4.
Energy consumption and operating cost under 4 different schemes of table save situation
For the present embodiment, economy and feasibility than selecting three kinds of schemes are integrated, determines that scheme one is dynamic for cold source equipment
The matched final scheme of state.
The above is only a preferred embodiment of the present invention, does not play the role of any restrictions to the present invention.Belonging to any
Those skilled in the art, in the range of not departing from technical solution of the present invention, to the invention discloses technical solution and
Technology contents make the variation such as any type of equivalent replacement or modification, belong to the content without departing from technical solution of the present invention, still
Within belonging to the scope of protection of the present invention.
Claims (7)
1. a kind of cold source equipment capacity dynamic matching method based on operation year limited load evolution Feature characterized by comprising
Step 1: the construction characteristic of a subway station is obtained；It obtains the subway station driving and the volume of the flow of passengers is dynamic with the subway service time
The operation feature of state variation；Predict subway station in operation initial stage, mid-term and the load variations in long term rule and peak load；
Step 2: according to construction characteristic, load variations rule and peak load, the operation of cold source equipment Dynamic Matching is tentatively drafted
Initial stage matching scheme, operation mid-term matching scheme and operation matching scheme at a specified future date；
Step 3: the final scheme of cold source equipment Dynamic Matching is determined after comprehensive consideration.
2. the cold source equipment capacity dynamic matching method according to claim 1 based on operation year limited load evolution Feature,
It is characterized in that, obtaining the construction characteristic of subway station by measurement and prediction, including subway concourse area, platform area, the shielding shop front
Product, building enclosure area, personnel's heat dissipation capacity.
3. the cold source equipment capacity dynamic matching method according to claim 2 based on operation year limited load evolution Feature,
It is characterized in that, load variations rule and peak load of the prediction subway station in operation initial stage, mid-term and long term include: root
According to the initial stage of construction characteristic and operation feature calculation water cooler, the total energy consumption of mid-term and long term.
4. the cold source equipment capacity dynamic matching method according to claim 1 based on operation year limited load evolution Feature,
It is characterized in that, operation initial stage, mid-term and respectively 1-5,6-10 and 11-15 at a specified future date.
5. the cold source equipment capacity dynamic matching method according to claim 1 based on operation year limited load evolution Feature,
It is characterized in that, the final scheme for determining cold source equipment Dynamic Matching includes: to be drilled according to the subway station load at metro operation initial stage
Change feature, matching capacity meets the cold source equipment of initial stage peak load.
6. the cold source equipment capacity dynamic matching method according to claim 1 based on operation year limited load evolution Feature,
It is characterized in that, the final scheme for determining cold source equipment Dynamic Matching includes: to be drilled according to the subway station load of metro operation mid-term
Change feature, increases the cold source equipment parallel running simultaneously of the identical capacity of 1-2 platform.
7. the cold source equipment capacity dynamic matching method according to claim 1 based on operation year limited load evolution Feature,
It is characterized in that, determining that the final scheme of cold source equipment Dynamic Matching includes: according to subway station load evolution Feature at a specified future date, replacement
Capacity meets the cold source equipment of peak load at a specified future date.
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| CN201910053866.1A CN109829635A (en) | 2019-01-21 | 2019-01-21 | Cold source equipment capacity dynamic matching method based on operation year limited load evolution Feature |
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| CN106951630A (en) * | 2017-03-17 | 2017-07-14 | 深圳市云科设计咨询服务有限公司 | A kind of refrigeration host computer device selection method being applied in air-conditioning system |
| CN108241908A (en) * | 2018-01-17 | 2018-07-03 | 深圳市云科设计咨询服务有限公司 | A kind of new method of multi-online air-conditioning system outdoor unit type selecting |
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2019
- 2019-01-21 CN CN201910053866.1A patent/CN109829635A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104715425A (en) * | 2015-03-23 | 2015-06-17 | 铁道第三勘察设计院集团有限公司 | Capacity computing method of distribution transformers of urban rail transit stations |
| CN106338127A (en) * | 2016-09-20 | 2017-01-18 | 珠海格力电器股份有限公司 | Load forecast and control system and method for metro heat ventilation and air-conditioning system |
| CN106931600A (en) * | 2017-03-17 | 2017-07-07 | 深圳市云科设计咨询服务有限公司 | A kind of method for determining building air-conditioning pump energy saving operating scheme |
| CN106951630A (en) * | 2017-03-17 | 2017-07-14 | 深圳市云科设计咨询服务有限公司 | A kind of refrigeration host computer device selection method being applied in air-conditioning system |
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Application publication date: 20190531 |